1 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4 * haifa-sched.c (check_cfg): Handle special case.
6 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
10 Add debug_info parameter. Chain the vars to the BLOCK instead
11 of the BIND_EXPR if debug info are requested for them.
12 (pop_gimplify_context): Adjust for above change.
13 (gimple_add_tmp_var): Likewise.
14 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
16 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
17 (convert_local_reference): Likewise.
18 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
19 (finalize_nesting_tree_1): Request that debug info be emitted
22 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
24 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
27 2006-06-13 Richard Guenther <rguenther@suse.de>
30 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
32 2006-06-13 Richard Guenther <rguenther@suse.de>
34 PR tree-optimization/27830
35 * tree-inline.c (copy_body_r): For copying the operand
36 of an ADDR_EXPR make sure to fold &* afterwards.
38 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
40 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
41 lvalues in the fb_none case with side-effects.
43 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
45 * tree-flow.h: Remove the prototype for
46 compute_phi_arg_on_exit.
47 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
48 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
51 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
53 * builtins.c (expand_builtin_return_addr): Only use
54 frame_pointer_rtx when count == 0 and we are expanding
55 __builtin_return_address.
57 2006-06-12 Fred Fish <fnf@specifix.com>
59 * config/mips/mips.c (mips_file_start): Create special section
60 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
62 2006-06-11 Eric Christopher <echristo@apple.com>
65 * stor-layout.c (place_field): Remove check for
66 remaining_in_alignment when aligning at the end of a run.
68 2006-06-11 Eric Christopher <echristo@apple.com>
71 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
74 2006-06-11 Roger Sayle <roger@eyesopen.com>
77 Revert incorrect fix for PR target/27158
78 2006-05-08 Roger Sayle <roger@eyesopen.com>
79 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
80 of a reg_equiv_constant if the result is a legitimate constant.
82 2006-06-11 Roger Sayle <roger@eyesopen.com>
85 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
86 extract a CONST_VECTOR element and interpret it as an integer.
87 (vspltis_constant): Use const_vector_elt_as_int instead of the
88 macro CONST_VECTOR_ELT in order to handle FP vector modes.
89 * config/rs6000/predicates.md (easy_vector_const): Consider
90 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
92 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
95 * stor-layout.c (update_alignment_for_field): Don't add extra
96 alignment for packed non-bitfield fields in ms_bitfield_layout_p
99 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
101 * config/mips/t-rtems: Add EL/EB multilib variants.
103 2006-06-09 Mike Stump <mrs@apple.com>
105 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
107 2006-06-09 David Daney <ddaney@avtrex.com>
109 * doc/install.texi: Add binutils version recommendation for mips-*-*.
111 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
113 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
115 2006-06-09 Richard Guenther <rguenther@suse.de>
117 PR tree-optimization/26998
118 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
119 of signed types, only TYPE_MIN_VALUE is special, but for both,
120 minimum and maximum value. Likewise VR_ANTI_RANGE is special
121 in this case, as is -fwrapv.
123 2006-06-08 Mike Stump <mrs@apple.com>
126 * config/darwin.c (darwin_asm_output_anchor): Disable
127 -fsection-anchors on darwin for now.
128 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
129 * rs6000/rs6000.c (optimization_options): Likewise.
131 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
134 * config/i386/i386.c (classify_argument): Skip fields with invalid
137 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
139 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
140 (cse_insn): Likewise for the stack_pointer_rtx.
142 2006-06-08 Roger Sayle <roger@eyesopen.com>
144 * tree-ssa-dom.c (record_conditions): Only record "unordered"
145 conditions from floating point comparisons.
147 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
150 * expmed.c (struct alg_hash_entry): Fix type of field T
151 to match synth_mult argument.
152 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
154 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
157 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
160 2006-06-08 Richard Guenther <rguenther@suse.de>
163 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
164 only, if overflow is defined and not trapping.
165 (negate_expr): Likewise.
167 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
169 PR tree-optimization/27872
170 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
171 flag on the new exit edge of the unrolled loop.
173 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
175 PR rtl-optimization/26449
176 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
178 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
181 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
182 referenced_variables with matching DECL_UID's.
183 (find_referenced_vars): Make sure duplicate list is empty to start.
184 (referenced_var_p): Remove.
185 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
186 Check if var is in the list, and add if needed. Update the duplicate
187 list if a different var is in the list with the same DECL_UID.
188 (add_referenced_var): Call routine to check and insert.
189 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
190 * tree-flow.h (referenced_vars_dup_list): External declaration.
192 2006-06-07 Fred Fish <fnf@specifix.com>
194 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
197 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
200 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
201 the imaginary and real parts of a clobbered register.
202 Emit insn to set the imaginary part.
204 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
206 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
207 in lieu of unwind-dw2-fde.c.
209 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
211 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
213 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
216 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
217 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
218 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
219 V4SImode temporaries and operations instead.
221 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
223 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
226 2006-06-06 Mike Stump <mrs@apple.com>
228 * Makefile.in: Rename to htmldir to build_htmldir to avoid
229 installing during build.
231 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
233 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
235 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
236 * config/ia64/ia64.c (params.h): New header.
237 (ia64_optimization_options): New function to adjust parameters.
238 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
239 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
240 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
242 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
244 * stor-layout.c (debug_rli): Fix a typo in a debug message.
246 2006-06-05 Steve Ellcey <sje@cup.hp.com>
249 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
251 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
252 Victor Kaplansky <victork@il.ibm.com>
254 PR tree-optimization/26360
255 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
258 2006-06-04 Roger Sayle <roger@eyesopen.com>
259 Andrew Pinski <pinskia@physics.uc.edu>
262 * c-common.c (c_common_truthvalue_conversion): Explicitly check
263 for LABEL_DECL before calling DECL_WEAK.
266 * c-typeck.c (build_binary_op): Likewise, explicitly check for
267 LABEL_DECL and PARM_DECL.
269 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
273 * c-decl.c (grokdeclarator): Disallow variably modified types at
274 file scope. Avoid marking shared array type of constant size as
277 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
280 * c-common.c (fold_offsetof_1): Handle static members.
282 2006-06-04 Eric Christopher <echristo@apple.com>
284 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
285 (debug_rli): Output value for remaining_in_alignment.
286 (update_alignment_for_field): Unconditionalize
287 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
288 extra alignment code.
289 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
290 ms_bitfield_layout_p code. Rewrite handling of structure fields.
291 * tree.h (record_layout_info_s): Remove prev_packed.
292 * doc/extend.texi (ms_struct): Add documentation of format.
294 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
296 * tree.h: Declare folding_initializer.
297 * builtins.c (fold_builtin_constant_p): Give definite answer
298 if folding inside an initializer.
299 * fold-const.c: Define folding_initializer.
300 (START_FOLD_INIT): Save and then set folding_initializer.
301 (END_FOLD_INIT): Restore folding_initializer.
303 2006-06-04 Richard Guenther <rguenther@suse.de>
305 PR tree-optimization/27039
306 * fold-const.c (fold_comparison): Handle pointer comparison
307 again for all comparison codes. Compare offsets in signed
309 (fold_binary): Move code from here.
311 2006-06-03 Roger Sayle <roger@eyesopen.com>
314 * config/i386/i386.c (construct_container): Split static issued_error
315 flag into issued_sse_arg_error, issued_sse_ret_error and
316 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
317 requires the use of x87 registers and the user explicitly
318 specified the -mno-80387 command line option.
320 2006-06-02 Geoffrey Keating <geoffk@apple.com>
322 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
323 HAVE_DECL_SIGALTSTACK.
325 (segv_handler): Use MC_FLD.
326 * configure.ac: Check for a sigaltstack declaration.
327 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
328 * configure: Regenerate.
329 * config.in: Regenerate.
331 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
334 * Makefile.in (stmp-fixinc): Fix typo.
336 2006-06-02 Roger Sayle <roger@eyesopen.com>
338 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
339 are type correct. Clean-up.
340 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
341 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
343 2006-06-01 DJ Delorie <dj@redhat.com>
345 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
346 shift, as we've disabled the "switch" insn that needs it.
348 2006-06-01 Per Bothner <bothner@bothner.com>
350 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
351 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
352 * c-ppoutput.c (cb_define): Don't increment line 0.
354 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
356 * doc/invoke.texi: Add cpu_type power6.
357 * config.gcc: Add cpu_type power6.
358 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
359 to power5+ with Altivec.
360 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
361 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
363 2006-05-30 Anatoly Sokolov <aesok@post.ru>
365 * config/avr/avr.h (SET_ASM_OP): Define.
367 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
369 * config/bfin/bfin.c: Fix comment typos.
371 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
374 * doc/install.texi: Document --enable-bootstrap and
377 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
379 * doc/install.texi: Document that InfoZIP can replace jar.
381 2006-05-31 Roger Sayle <roger@eyesopen.com>
383 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
384 isn't available, directly generate the simpler x87 patterns without
385 the (use (const_int 0)).
386 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
387 implementation isn't available.
388 (*negdf2_1): Likewise.
389 (*negxf2_1): XF mode negation is always done using the x87.
390 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
392 2006-05-31 Roger Sayle <roger@eyesopen.com>
394 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
395 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
397 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
399 2006-05-31 Jie Zhang <jie.zhang@analog.com>
401 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
402 * config/bfin/bfin.c (basic-block.h): Include.
403 (struct machine_function): New.
404 (bfin_init_machine_status): New.
405 (override_options): Initialize init_machine_status.
406 (bfin_hardware_loop): New.
407 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
408 (DEF_VEC_P (loop_info)): New.
409 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
410 (struct loop_info): New.
411 (loop_info): New typedef.
412 (struct loop_work): New.
413 (loop_work): New typedef.
414 (DEF_VEC_O (loop_work)): New.
415 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
416 (bfin_dump_loops): New.
417 (bfin_bb_in_loop): New.
418 (bfin_scan_loop): New.
419 (bfin_optimize_loop): New.
420 (bfin_reorg_loops): New.
421 (bfin_reorg): Use bfin_reorg_loops.
422 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
424 (I_REGNO_P): Simplify.
425 (DP_REGNO_P, DPREG_P): New macros.
426 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
427 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
428 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
429 Add LT_REGS, LC_REGS, LB_REGS.
430 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
432 (REGNO_REG_CLASS): Deal with loop registers.
433 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
435 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
436 New constants for loop registers.
437 (UNSPEC_LSETUP_END): New.
438 (seq_insns): New define_attr. Set it for appropriate insns.
439 (movsi_insn): Add alternatives for move from/to
440 loop count registers.
441 (doloop_end): New define_expand.
442 (loop_end): New define_insn.
443 (define_split for bad doloop_end): New.
444 (lsetup_with_autoinit): New define_insn.
445 (lsetup_without_autoinit): New define_insn.
446 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
447 * config/bfin/predicates.md (lc_register_operand): New.
448 (lt_register_operand): New.
449 (lb_register_operand): New.
450 (nondp_register_operand): New.
451 (nondp_reg_or_memory_operand): New.
452 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
454 2006-05-31 Jie Zhang <jie.zhang@analog.com>
456 * config/bfin/bfin.c (bfin_delegitimize_address): New.
457 (TARGET_DELEGITIMIZE_ADDRESS): Define.
459 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
461 * Makefile.in (CATALOGS): Add po/ prefix.
462 * configure: Regenerated.
464 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
467 * arm.c (arm_print_operand case 'S'): Validate that the operand is
468 a shift operand before calling shift_op. Avoid redundant call of
471 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
472 DJ Delorie <dj@redhat.com>
474 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
475 we're inserting is a singlt-bit constant.
477 2006-05-30 Roger Sayle <roger@eyesopen.com>
479 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
480 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
482 2006-05-30 Roger Sayle <roger@eyesopen.com>
484 PR tree-optimization/23452
485 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
486 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
487 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
488 complex values and with -ffast-math for FP complex values.
490 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
492 * c-common.h: Remove the prototype for yyparse.
493 * rtl.h: Remove the prototype for init_loop.
495 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
497 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
500 2006-05-30 Roger Sayle <roger@eyesopen.com>
502 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
504 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
505 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
507 2006-05-30 Dirk Mueller <dmueller@suse.de>
510 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
511 for CONSTANT_CLASS_P expresisons.
513 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
516 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
518 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
520 PR tree-optimization/27779
521 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
522 initial_condition instead of CHREC_LEFT.
524 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
526 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
527 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
528 Make prototypes ISO C90.
530 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
531 Leehod Baruch <leehod.baruch@weizmann.ac.il>
533 * see.c (see_analyze_one_def): Correct check.
534 (see_get_extension_data): Check if extension is parallel.
535 (see_get_extension_reg): Likewise.
537 2006-05-30 Uros Bizjak <uros@kss-loka.si>
540 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
541 into register for (code == GTU).
543 2006-05-29 Roger Sayle <roger@eyesopen.com>
545 PR tree-optimization/24964
546 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
547 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
548 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
549 abs(x)*abs(x) as x*x for scalar floating point modes.
551 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
554 * lambda-code.c (perfect_nestify): Don't copy statements
555 in the inner loop: move them to the inner loop header.
557 2006-05-29 Diego Novillo <dnovillo@redhat.com>
560 * c-tree.texi: Document OpenMP directives and clauses.
562 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
564 * varasm.c (globalize_decl): Fix indentation.
566 2006-05-29 Diego Novillo <dnovillo@redhat.com>
569 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
570 pass_fre, pass_store_ccp, pass_copy_prop,
571 pass_store_copy_prop, pass_merge_phi, pass_nrv,
572 pass_return_slot, pass_object_size, pass_lim,
573 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
574 pass_loop_prefetch and pass_stdarg.
576 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
578 * config/bfin/bfin.opt (mfdpic): New option.
579 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
580 (EXTRA_MULTILIB_PARTS): Likewise.
581 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
582 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
584 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
585 (CRT_CALL_STATIC_FUNCTION): New.
586 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
588 (CRT_CALL_STATIC_FUNCTION): New.
589 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
591 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
592 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
593 (initialize_trampoline): Changed to handle FD-PIC code generation.
594 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
595 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
596 (override_options): Disallow -mid-shared-library -mfdpic combination.
597 Can't do unaligned ops if FD-PIC.
598 Turn off flag_pic if trying to generate non-id-shared-library
599 non-fdpic code, since it's not supported.
600 (bfin_assemble_integer): New function.
601 (TARGET_ASM_INTEGER): Define.
602 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
604 * config/bfin/crtn.s: Restore them.
605 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
607 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
608 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
609 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
610 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
611 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
613 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
614 FDPIC_REGS and FDPIC_FPTR_REGS.
615 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
616 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
617 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
618 (load_funcdescsi): New pattern.
619 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
620 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
621 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
623 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
625 * gcse.c, rtlanal.c: Remove obsolete comments associated with
628 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
630 * tree-flow.h: Remove the prototype for add_type_alias.
631 * tree-ssa-alias.c (add_type_alias): Remove.
633 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
635 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
636 config/fr30/fr30.md, config/i386/i386-interix.h,
637 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
638 config/sh/superh64.h, config/v850/v850.c, df-core.c,
639 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
640 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
641 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
642 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
643 Follow spelling conventions.
644 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
645 Follow spelling conventions.
647 2006-05-27 Richard Guenther <rguenther@suse.de>
650 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
651 to produce a constant of value 1 of generic type.
653 2006-05-27 Dirk Mueller <dmueller@suse.de>
655 * cgraphunit.c (decide_is_function_needed): Fix wrong
658 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
660 PR rtl-optimization/27661
661 * reload.c (find_reloads): When reloading a VOIDmode constant
662 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
663 use Pmode as mode of the reload register.
665 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
667 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
668 is enabled at -O and above.
670 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
673 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
676 2006-05-25 Mark Mitchell <mark@codesourcery.com>
679 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
680 for anonymous variables explicitly declared by front ends.
682 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
684 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
685 (struct alias_info): Add new field ref_all_symbol_mem_tag.
686 * tree-ssa-alias.c (compute_may_aliases): If the program contains
687 ref-all pointers, run a finalization pass for them.
688 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
689 (finalize_ref_all_pointers): New function.
690 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
691 regular pointer type to a ref-all pointer type.
692 (get_tmt_for): Return the special memory tag for ref-all pointers.
694 2006-05-25 Richard Guenther <rguenther@suse.de>
697 * fold-const.c (fold_binary): Do not look at the stripped
698 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
700 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
702 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
703 for LT and GT if the computed range is effectively empty.
705 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
708 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
709 mips_quad_format formats instead of ieee_single_format,
710 ieee_double_format and ieee_quad_format formats, respectively.
712 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
714 PR tree-optimization/27639
715 PR tree-optimization/26719
716 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
717 call to scev_probably_wraps_p.
718 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
719 used_in_pointer_arithmetic_p, convert_step): Removed.
720 (nowrap_type_p): New function.
721 (scev_probably_wraps_p): Rewritten.
722 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
723 chrec_convert if chrec_convert_aggressive might have been used.
724 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
725 scev_direction): New functions.
726 (chrec_convert): Changed to a wrapper over chrec_convert_1.
727 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
728 instead of convert_step.
729 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
730 (convert_step): Declaration removed.
731 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
733 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
735 * df-core.c: Added to header comments.
736 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
737 df_ur_bb_info, df_urec_bb_info): Added comments.
738 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
739 urec, ri problems): Fixed header comments.
740 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
741 code from df_rd_transfer_function.
743 2006-05-23 Richard Sandiford <richard@codesourcery.com>
745 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
746 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
747 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
749 2006-05-23 Joseph Myers <joseph@codesourcery.com>
751 * expr.c (undefined_operand_subword_p): New.
752 (emit_move_multi_word): Do not generate move from undefined bits
753 of a paradoxical subreg.
755 2006-05-23 Richard Sandiford <richard@codesourcery.com>
757 PR rtl-optimization/27736
758 * combine.c (replaced_rhs_value): New variable.
759 (combine_instructions): Set it.
760 (distribute_notes): When distributing a note in replaced_rhs_insn,
761 check whether the value was used in replaced_rhs_value.
763 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
766 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
767 add_referenced_var instead of add_referenced_tmp_var.
768 * tree-complex.c (create_one_component_var): Use add_referenced_var.
769 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
771 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
772 tree_optimize_tail_calls_1): Use add_referenced_var.
773 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
774 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
775 Use add_referenced_var.
776 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
777 * gimplify.c (force_gimple_operand): Use add_referenced_var.
778 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
779 Use add_referenced_var.
780 * tree-dfa.c (struct walk_state): Remove.
781 (find_referenced_vars): Remove walk state and vars_found hash table.
782 (make_rename_temp): Use add_referenced_var.
783 (find_vars_r): Pass less parameters to add_referenced_var.
784 (referenced_var_p): New. Is var in referenced_var hash table.
785 (referenced_var_insert): Assert var isn't already in hash table.
786 (add_referenced_var): Don't need walk_state parameter. Add var if it
787 isn't already in the hash table.
788 (add_referenced_tmp_var): Remove.
789 (find_new_referenced_vars_1): Use add_referenced_var.
790 * tree-ssa-pre.c (create_expression_by_pieces,
791 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
792 Use add_referenced_var.
793 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
794 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
795 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
797 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
798 vect_create_data_ref_ptr, vect_create_destination_var,
799 vect_init_vector, vect_build_loop_niters,
800 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
801 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
802 Use add_referenced_var.
803 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
804 * tree-flow.h (add_referenced_tmp_var): Remove prototype
805 (add_referenced_var): Add prototype.
806 * tree-ssa-structalias.c (get_constraint_for,
807 intra_create_variable_infos): Use add_referenced_var.
809 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
811 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
812 big-endian paradoxical subregs.
813 * var-tracking.c (struct micro_operation_def): Document that,
814 for modify micro operations, insn is the subsequent instruction.
815 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
816 (var_reg_set, var_mem_set): ... new functions.
817 (add_stores): Record subsequent insn.
818 (compute_bb_dataflow): Use new functions for MO_USE.
819 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
820 notes after the insn, and modify notes before the insn known
821 to be the subsequent one.
822 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
824 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
827 * config/i386/i386.c (ix86_expand_builtin): Use
828 gen_sse3_monitor64 for TARGET_64BIT.
830 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
832 PR rtl-optimization/26375
833 PR rtl-optimization/26855
834 * df-problems (df_ru_bb_local_compute_process_def): Removed update
836 (df_ru_bb_local_compute): Reversed statements and removed bogus
837 comment explaining why they should be in wrong order.
838 (df_ru_dump, df_rd_dump): Enhanced debug info.
839 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
841 * ddg.c (add_deps_for_def): Converted use of reaching defs to
842 reaching uses and fixed space problem.
844 2006-05-23 Jan Hubicka <jh@suse.cz>
846 * cgraphunit.c (decide_is_function_needed): Also nested functions
847 and functions declared inline can be optimized out at -O0.
849 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
851 * doc/install.texi (Configuration): Remove reference to CrossGCC
852 FAQ which was hijacked.
855 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
858 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
859 ix86_compare_emitted is non-NULL.
861 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
864 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
867 2006-05-22 Richard Sandiford <richard@codesourcery.com>
869 PR rtl-optimization/25514
870 * combine.c (replaced_rhs_insn): New variable.
871 (combine_instructions): Set replaced_rhs_insn when trying to replace
872 a SET_SRC with a REG_EQUAL note.
873 (distribute_notes): Use replaced_rhs_insn when determining the live
874 range of a REG_DEAD register.
876 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
877 Anatoly Sokolov <aesok@post.ru>
879 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
880 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
881 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
882 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
883 atmega3290, atmega649, atmega6490, atmega406, atmega640,
884 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
885 at90usb647, at90usb1286 and at90usb1287 devices.
886 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
887 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
889 2006-05-22 Richard Sandiford <richard@codesourcery.com>
891 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
893 2006-05-22 Richard Guenther <rguenther@suse.de>
896 2006-01-31 Richard Guenther <rguenther@suse.de>
897 Paolo Bonzini <bonzini@gnu.org>
899 * doc/install.texi (--disable-libgcc-math): Document.
901 2006-05-22 Richard Guenther <rguenther@suse.de>
904 2006-01-31 Richard Guenther <rguenther@suse.de>
906 * doc/invoke.texi (-msselibm): Document.
907 * target.h (expand_library_builtin): New target hook.
908 * builtins.c (expand_builtin): Use expand_library_builtin.
909 (default_expand_library_builtin): New function.
910 * gcc.c (LINK_GCC_MATH_SPEC): Define.
911 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
912 (link_gcc_math_spec): Declare.
913 (static_specs): Add link_gcc_math_spec.
914 * expr.h (default_expand_library_builtin): Declare.
915 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
916 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
917 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
918 * config/i386/i386.opt (msselibm): New target option.
919 * config/i386/i386.c (ix86_builtin_function_variants): New array.
920 (ix86_init_sse_abi_builtins): New function.
921 (ix86_expand_library_builtin): Likewise.
922 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
923 (override_options): Handle error conditions wrt -msselibm.
924 (ix86_builtins): Add function codes for SSE2 ABI builtins.
925 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
926 * doc/extend.texi (__builtin_sse2_*): Document new target specific
929 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
932 * c-common.c (self_promoting_args_p): Skip erroneous args.
935 * c-decl.c (finish_struct): Skip erroneous fields.
937 2006-05-22 Nick Clifton <nickc@redhat.com>
939 * config/cris/cris.opt (march): Remove VarExists attribute.
940 (max-stackframe=): Likewise.
942 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
944 * doc/rtl.texi: Fix a typo.
945 * see.c: Fix comment typos.
947 * tree-ssa-structalias.h (alias_info): Remove num_references.
949 2006-05-21 Mike Stump <mrs@apple.com>
951 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
953 (darwin_pragma_options): Use BAD instead.
954 (darwin_pragma_unused): Likewise.
955 (darwin_pragma_ms_struct): Likewise.
957 2006-05-21 David Edelsohn <edelsohn@gnu.org>
959 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
961 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
963 PR rtl-optimization/27671
964 * simplify-rtx.c (simplify_relational_operation_1): Fix
965 simplifications of (eq/ne (xor x y) y) and
968 PR tree-optimization/26622.
969 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
972 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
974 * tree-cfg.c: Prune whitespace.
975 (debug_tree_cfg): Point to correct header containing the
978 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
981 * cgraphunit.c (verify_cgraph_node): Typo in error message.
983 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
986 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
987 or sorry count is non zero.
989 2006-05-20 Andreas Schwab <schwab@suse.de>
991 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
993 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
994 Kenneth Zadeck <zadeck@naturalbridge.com>
996 PR rtl-optimization/26855
998 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1000 (df_scan_alloc): Added code to properly handle multiword hard
1001 registers and add all_blocks parameter.
1002 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1003 code to properly handle multiword hard registers.
1004 (df_rescan_blocks): Added code to remove deleted blocks from
1006 (df_ref_create_structure, df_ref_record): Added code to properly
1008 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1009 and set DF_REF_PARTIAL.
1010 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1011 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1012 (df_scan_add_problem): Added flags parameter.
1013 (df_ref_create_structure): Changed switching structure.
1014 (df_bb_refs_record): Fixed case where duplicate artificial refs
1015 were created. Changed location of flags.
1016 (df_record_entry_block_defs): Added code to make stack pointer
1017 live in entry block. Refined cases where frame pointer is needed.
1018 Changed location of flags.
1019 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1020 (df_set_state): Removed function.
1021 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1022 df_insn_create_insn_record, df_insn_refs_delete,
1023 df_ref_create_structure): Formatting changes.
1024 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1025 df_delete_basic_block): New function.
1026 (df_init): Changed location of flags.
1027 (df_add_problem): Added flags parameter and the way flags are
1029 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1030 debug_df_chain): Improved debugging output.
1031 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1032 (df_refs_chain_dump): Removed df parameter.
1033 (df_iterative_dataflow): Added consistency check.
1034 (df_prune_to_subcfg): Made public.
1035 (df_analyze_problem): Added blocks_to_init parameter and made
1037 (df_ref_record, df_bb_refs_record, df_mark_reg,
1038 df_record_exit_block_uses): Whitespace changes.
1039 (df_dump): Whitespace changes.
1040 * df.h: Some reordering to remove forward references.
1041 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1042 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1043 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1044 (dataflow.flags): New field.
1045 (df.flag): Deleted field.
1046 (df_alloc_function): Added additional bitmap parameter.
1047 (df_dependent_problem_function): New type.
1048 (df_problem.changeable_flags): New field.
1049 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1050 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1051 (df_mw_hardreg): New struct.
1052 (DF_INSN_UID_MWS): New macro.
1053 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1055 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1056 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1057 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1058 (df_set_state): Removed function.
1059 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1060 * df-problems.c (df_chain_dump): Removed df parameter.
1061 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1062 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1064 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1065 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1066 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1067 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1068 DF_REF_MUST_CLOBBER cases.
1069 (df_ru_bb_local_compute_process_def,
1070 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1071 df_lr_bb_local_compute, df_ur_bb_local_compute,
1072 df_chain_create_bb): Made subreg aware.
1073 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1074 df_lr_bb_local_compute, df_lr_bb_local_compute,
1075 df_chain_create_bb): Cleanup to use proper macros.
1076 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1077 code to fixup bitvectors.
1078 (df_ri_alloc): Cleared lifetime.
1079 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1080 df_create_unused_note): New function.
1081 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1082 REG_DEAD and REG_UNUSED notes as well as register information.
1083 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1084 df_chains_dump): Fixed crash if problem was never run.
1085 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1086 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1087 df_ri_add_problem): Processes flags in uniform manner.
1088 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1089 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1090 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1091 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1092 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1093 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1094 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1095 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1096 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1097 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1098 * see.c (see_initialize_data): Ditto.
1099 * final.c (rest_of_clean_state) Added regstack_completed.
1100 * rtl.h (regstack_completed): Ditto.
1101 * reg-stack.c (regstack_completed): Ditto.
1103 2006-05-19 Mike Stump <mrs@apple.com>
1105 * c-tree.h (default_conversion): Remove.
1106 * c-common.h (default_conversion): Add.
1108 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1110 * tree-vrp.c (valid_value_p): New function.
1111 (adjust_range_with_scev): Fail if the value of bound is not
1114 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1116 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1117 (mips_fallback_frame_state): Use syscall numbers to determine
1118 the appropriate li instruction for the current ABI. Only use
1119 __NR_sigreturn for o32.
1121 2006-05-19 Nicolas Setton <setton@adacore.com>
1123 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1124 * langhooks.c (lhd_dwarf_name): New function.
1125 * langhooks-def.h (lhd_dwarf_name): Declare.
1126 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1127 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1128 * ada/misc.c (gnat_dwarf_name): New function.
1129 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1131 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1133 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1135 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1136 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1137 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1138 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1139 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1140 determine the size of Wtype, etc.
1141 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1142 (swfloatfuncs): New variable.
1143 (dwfloatfuncs): Likewise.
1144 (lib2funcs): Remove floating-point conversion functions from
1145 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1146 the set of conversion routines needed. Allow entries to specify
1147 an object name, filename and word size. Update users accordingly.
1148 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1149 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1153 2006-02-08 Roger Sayle <roger@eyesopen.com>
1156 * config/fixtfdi.c: New libgcc source file.
1157 * config/fixunstfdi.c: New source file.
1158 * config/floatditf.c: New source file.
1159 * config/floatunditf.c: New souce file.
1160 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1161 files above instead of config/mips/_tilib.c.
1162 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1164 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1166 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1167 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1169 2006-05-18 Mike Stump <mrs@apple.com>
1171 Fix up vla, vm and [*] sematics.
1177 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1178 (c_vla_unspec_p): Add.
1179 (c_vla_type_p): Add.
1180 * c-decl.c (struct c_scope): Add had_vla_unspec.
1181 (build_array_declarator): Add support for [*].
1182 (grokdeclarator): Likewise.
1183 (grokparms): Likewise.
1184 (get_parm_info): Likewise.
1185 * c-objc-common.c (c_vla_unspec_p): Likewise.
1186 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1187 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1188 typeof when argument is a variably modified type not inside sizeof or alignof.
1189 (c_parser_direct_declarator_inner): Propagate errors.
1190 (c_parser_sizeof_expression): Add support for [*].
1191 (c_parser_parms_declarator): Initialize had_vla_unspec.
1192 (c_parser_parms_list_declarator): Likewise.
1193 * c-typeck.c (c_vla_type_p): Add.
1194 (composite_type): Add support for vla compositing.
1195 (comptypes_internal): Add support for vla compatibility.
1196 (c_expr_sizeof_expr): Evaluate vla arguments.
1197 * tree.c (variably_modified_type_p): Update comment for [*].
1199 2006-05-18 Michael Matz <matz@suse.de>
1202 * config.host: Make assignments to host_xmake_file cumulative.
1203 * config.host (*-darwin*): Test $host, not $target.
1205 2006-05-12 Stuart Hastings <stuart@apple.com>
1207 * config/i386/i386.opt (-mstackrealign): New flag.
1208 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1209 (ix86_handle_cconv_attribute): Emit error when
1210 force_align_arg_pointer attribute collides with too many regparms.
1211 (ix86_function_regparm): Limit regparms when used with
1212 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1213 Support stack-realigning prologue in non-main functions. Emit
1214 warning for nested functions under -mstackrealign, emit error for
1215 nested functions with force_align_arg_pointer attribute.
1216 * doc/extend.texi (force_align_arg_pointer): Document it.
1217 * doc/invoke.texi (-mstackrealign): Document it.
1219 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1221 PR rtl-optimization/27477
1222 * combine.c (try_combine): Don't split a parallel consisting
1223 of two sets into two individual sets if both sets reference
1226 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1228 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1229 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1231 * doc/options.texi (VarExists): Updated.
1233 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1235 * unwind-dw2.c: Add declarations for uw_update_context and
1237 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1238 detected, advance frame state and context once to skip over stub.
1240 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1244 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1245 Call rewrite_into_loop_closed_ssa only when something changed.
1246 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1247 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1248 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1249 Test for perfect_nest_p here. Fix formating.
1250 (replace_uses_equiv_to_x_with_y): Fix formating.
1251 (stmt_uses_op): Removed.
1252 (can_convert_to_perfect_nest): Removed loopivs parameter.
1253 Complete the test by checking the scalar dependences.
1254 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1257 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1260 From Dan Kegel <dank@kegel.com>:
1261 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1263 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1265 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1266 if the element type is variably modified without recursing.
1268 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1271 * tree-loop-linear.c (try_interchange_loops): Test for
1272 no data dependences.
1274 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1276 PR tree-optimization/27548
1277 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1278 range of ssa names that appear on abnormal edges.
1279 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1280 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1282 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1285 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1287 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1290 * tree.h (OMP_PARALLEL_COMBINED): Define.
1291 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1292 (new_omp_context): Add is_combined_parallel argument.
1293 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1294 new_omp_context caller.
1295 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1296 Adjust gimplify_scan_omp_clauses callers.
1297 (omp_is_private): Issue errors if iteration variable is firstprivate
1298 or reduction in the current context.
1299 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1300 on combined parallel workshare constructs.
1302 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1304 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1305 (gcc-options.o): New rule.
1307 * optc-gen.awk: Protect variables for gcc-options.o with
1308 #ifdef GCC_DRIVER/#endif.
1310 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1312 Fix PR tree-optimization/27373
1313 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1314 (forward_propagate_addr_expr): Update call.
1316 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1318 * doc/options.texi: Move the Negative option.
1320 2006-05-16 Richard Guenther <rguenther@suse.de>
1322 PR tree-optimization/22303
1323 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1325 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1326 ccp_fold did not simplify the statement.
1328 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1331 * Makefile.in (GCC_OBJS): New.
1332 (OBJS-common): Add opts-common.o.
1333 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1334 (cpp$(exeext)): Likewise.
1335 (gcc.o): Also depend on opts.h.
1336 (opts-common.o): New.
1338 * common.opt (gcoff): Add Negative(gdwarf-2).
1339 (gdwarf-2): Add Negative(gstabs).
1340 (gstabs): Add Negative(gstabs+).
1341 (gstabs+): Add Negative(gvms).
1342 (gvms): Add Negative(gxcoff).
1343 (gxcoff): Add Negative(gxcoff+).
1344 (gxcoff+): Add Negative(gcoff).
1345 * config/i386/i386.opt (m32): Add Negative(m64).
1346 (m64): Add Negative(m32).
1348 * doc/options.texi: Document the Negative option.
1350 * gcc.c: Include "opts.h".
1351 (main): Call prune_options after expandargv.
1353 * optc-gen.awk: Generate common declarations for all flag
1354 variables in options.c. Output the neg_index field.
1356 * opts.c (find_opt): Moved to ...
1357 * opts-common.c: Here. New file.
1359 * opts.h (cl_option): Add a neg_index field.
1361 (prune_options): Likewise.
1363 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1366 * omp-low.c (expand_omp_parallel): Don't assert
1367 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1368 instead search for it.
1371 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1374 2006-05-16 Andreas Schwab <schwab@suse.de>
1376 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1379 2006-05-15 Roger Sayle <roger@eyesopen.com>
1382 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1383 integer constants other than zero are only legitimate on TARGET_64BIT.
1384 <CONST_VECTOR> Only zero vectors are legitimate.
1385 (ix86_cannot_force_const_mem): Integral and vector constants can
1386 always be put in the constant pool.
1388 2006-05-16 DJ Delorie <dj@redhat.com>
1390 * crtstuff.c (__dso_handle): Set section from
1391 TARGET_LBIGCC_SDATA_SECTION if defined.
1392 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1393 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1395 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1398 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1401 2006-05-16 Ben Elliston <bje@au.ibm.com>
1403 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1405 2006-05-15 Per Bothner <per@bothner.com>
1407 * tree.c: (last_annotated_node): Use source_locus typedef.
1408 This permits bootstrapping with --enable-mapped-location.
1410 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1412 PR tree-optimization/26830
1413 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1414 (info_for_ssa_name, current_info_for_ssa_name_age,
1415 blocks_to_update): New variables.
1416 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1417 (clear_ssa_name_info, initialize_flags_in_bb,
1418 mark_block_for_update): New functions.
1419 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1420 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1421 prepare_def_site_for): Use mark_block_for_update.
1422 (mark_def_interesting): Assert that the processed block is marked in
1423 blocks_to_update. Do not take blocks argument.
1424 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1426 (rewrite_update_init_block, rewrite_update_stmt): Only process
1427 blocks with statements to rewrite.
1428 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1429 (update_ssa): Initialize and free blocks_to_update. Do not
1430 clear flags on statements. Do not use blocks bitmap.
1431 * tree.h (SSA_NAME_AUX): Removed.
1432 (struct tree_ssa_name): Removed aux field.
1433 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1435 2006-05-15 Richard Guenther <rguenther@suse.de>
1437 PR tree-optimization/27603
1438 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1439 Do computations in original type.
1441 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1443 * see.c: Code style changes such as redundant paranthesis,
1444 redundant intialization of local variables etc.
1445 (see_main): Declared now as static.
1446 * doc/invoke.texi: Update that -fsee is not enabled by
1449 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1451 * omp-low.c (check_omp_nesting_restrictions): New function.
1452 (scan_omp_1): Call it.
1455 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1456 construct, return *VAR.
1458 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1460 PR rtl-optimization/27406
1461 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1464 2006-05-14 Roger Sayle <roger@eyesopen.com>
1466 PR rtl-optimization/27538
1467 * combine.c (expand_compound_operation): Call gen_lowpart
1468 before calling simplify_shift_const.
1470 2006-05-14 Roger Sayle <roger@eyesopen.com>
1472 PR rtl-optimization/22563
1473 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1474 a fixed width bitfield, always force the intermediates into psuedos.
1476 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1479 * mkconfig.sh: Use operator = instead of == for test.
1481 2006-05-13 Nick Clifton <nickc@redhat.com>
1483 * dwarf2out.c (dbx_reg_number): Check return value from
1484 LEAF_REG_REMAP and only use it if it is valid.
1485 (multiple_reg_loc_descriptor): Likewise.
1487 2006-05-13 Richard Guenther <rguenther@suse.de>
1489 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1492 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1494 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1495 information attached to non-INSNs such as NOTEs.
1496 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1498 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1500 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1502 * config/s390/s390.md: Adjust comment describing On constraint.
1504 2006-05-11 Jan Hubicka <jh@suse.cz>
1506 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1507 to be output at -O0.
1509 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1512 * fold-const.c (size_binop): Move sanity check for arguments to
1513 the beginning of the function.
1516 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1519 2006-05-11 Richard Guenther <rguenther@suse.de>
1522 * fold-const.c (fold_unary): Handle intermediate conversion
1523 to a pointer type like intermediate conversion to an integer
1524 type in folding of (T1)(T2)var to var.
1525 Match the code to the comment in the final conversion for
1526 (T1)(T2)var to (T1)var regarding to type precision. Rather
1527 than disallow T1 being of pointer type, assert that both T1
1528 and var are of pointer type or not. Make sure not to fall
1529 over the frontends lazyness wrt array to pointer decay though.
1531 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1533 * arm.c (arm_struct_value_rtx): Delete.
1534 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1535 (arm_init_cumulative_args): Always initialize nregs to zero.
1537 2006-05-10 Richard Guenther <rguenther@suse.de>
1539 PR tree-optimization/27532
1540 * tree-object-size.c (plus_expr_object_size): Fix typo.
1542 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1545 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1546 ashrdi_const, ashrdi3): Use a scratch register.
1548 2006-05-10 Richard Guenther <rguenther@suse.de>
1550 PR tree-optimization/27302
1551 * fold-const.c (operand_equal_p): For two comparisons,
1552 try comparison of one comparison code swapped if that yields
1555 2006-05-10 Ben Elliston <bje@au.ibm.com>
1557 * tree-pretty-print.c (pretty_print_string): No need to handle
1558 '\0' as a special character.
1560 * tree.h: Include "hashtab.h".
1561 (iterative_hash_expr): Use hashval_t in its prototype.
1562 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1564 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1567 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1568 (hppa*64*-*-hpux11*): Ditto.
1569 (hppa[12]*-*-hpux11*): Ditto.
1571 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1574 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1576 2006-05-09 Michael Matz <matz@suse.de>
1578 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1579 host_extra_gcc_objs and host_xmake_file.
1580 (<*-*-linux*>): Don't overwrite host_xmake_file.
1581 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1582 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1583 (host_detect_local_cpu): Declare.
1584 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1585 * config/i386/i386.c (override_options): Handle -mtune=native
1587 * config/i386/x-i386: New file.
1588 * config/i386/driver-i386.c: New file.
1589 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1592 2006-05-09 Dirk Mueller <dmueller@suse.de>
1593 Richard Guenther <rguenther@suse.de>
1596 * fold-const.c (fold_read_from_constant_string): Relax check
1597 for matching types to matching modes.
1599 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1601 PR rtl-optimization/27335
1602 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1605 2006-05-08 Chao-ying Fu <fu@mips.com>
1606 Richard Sandiford <richard@codesourcery.com>
1608 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1609 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1610 * config/mips/mips.md (UNSPEC_SCC): New constant.
1611 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1612 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1613 (mips_emit_compare): Use it.
1614 (mips_expand_vcondv2sf): New function.
1616 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1618 Fix PR tree-optimization/27093
1619 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1620 renaming when they become not-used_alone.
1622 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1624 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1625 relocation and relocation stubs.
1627 2006-05-08 Eric Christopher <echristo@apple.com>
1629 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1632 2006-05-08 Jan Hubicka <jh@suse.cz>
1635 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1636 unused static functions are needed.
1638 2006-05-08 Roger Sayle <roger@eyesopen.com>
1641 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1642 of a reg_equiv_constant if the result is a legitimate constant.
1644 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1647 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1648 standard 80387 constants, raise the cost to prevent
1649 compress_float_constant() to generate load from memory.
1651 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1653 * config/arm/constraints.md (c): Fix a typo.
1655 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1658 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1661 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1663 (_mm_mwait): Likewise.
1665 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1667 (sse3_monitor): Make it 32bit only.
1668 (sse3_monitor64): New. 64bit monitor.
1670 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1673 * config/i386/i386.c (classify_argument): Skip fields with invalid
1676 2006-05-07 Richard Guenther <rguenther@suse.de>
1678 PR tree-optimization/27409
1679 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1680 Do not try to find zero-sized subvars.
1682 2006-05-07 Richard Guenther <rguenther@suse.de>
1684 PR tree-optimization/27136
1685 * tree-ssa-loop-niter.c (get_val_for): Correct function
1686 comment, assert requirements.
1687 (loop_niter_by_eval): Stop processing if the iterated
1688 value did not simplify.
1690 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1692 * opts.c (flag_see): remove its setting at -O3.
1694 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1696 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1697 * arm/constraints.md: New file.
1698 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1699 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1700 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1701 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1702 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1703 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1704 * arm.md: Include constraints.md.
1705 (thumb_movsi_insn): Use satisfies_constraint_J.
1706 (movhi, movqi): Use satisfies_constraint_I.
1708 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1710 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1711 for atmeg a645 device.
1713 2006-05-06 Richard Guenther <rguenther@suse.de>
1715 PR tree-optimization/27151
1716 * tree-vect-transform.c (vectorizable_condition): Punt on
1717 values that have a different type than the condition.
1719 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1722 * c-parser.c (c_parser_cast_expression): Only insert casts into
1723 hash table if pointer.
1724 * function.c (used_types_insert_helper): Rename from
1726 (used_types_insert): Call used_types_insert_helper.
1727 * function.h (used_types_insert): Accept only one argument.
1729 2006-05-05 David Edelsohn <edesohn@gnu.org>
1731 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1732 scratch with output modifier.
1734 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1737 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1738 with output modifier.
1740 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1743 * config/mips/mips.c (mips_symbolic_address_p): Return true
1744 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1745 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1747 2006-05-04 Richard Guenther <rguenther@suse.de>
1749 PR tree-optimization/14287
1750 PR tree-optimization/14844
1751 PR tree-optimization/19792
1752 PR tree-optimization/21608
1753 PR tree-optimization/27090
1754 * tree-ssa-pre.c (try_combine_conversion): New function.
1755 (compute_avail): After constructing the value-handle
1756 expression, use try_combine_conversion to combine NOP_EXPRs
1757 with previous value-handle expressions and use the result if it
1760 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1762 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1764 2006-05-04 Jan Hubicka <jh@suse.cz>
1767 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1769 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1771 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1772 that this only matches CONST_INTs. All users changed to VOIDmode
1775 * config/bfin/bfin.c: Include "optabs.h".
1776 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1778 (enum bfin_builtins): Add a number of fractional and vector builtins.
1779 (bfin_init_builtins): Likewise.
1780 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1781 (safe_vector_operand, bfin_expand_binop_builtin,
1782 bfin_expand_unop_builtin): New functions.
1783 (bfin_expand_builtin): Handle the new builtins.
1784 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1787 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1790 * Makefile.in (OBJS-common): Add see.o.
1791 (see.o): Add dependencies.
1792 * common.opt (fsee): New flag for the see optimization was added.
1793 * opts.c (flag_see): Initialized.
1794 * passes.c (init_optimization_passes, pass_see): New pass.
1795 * rtl.h (see_main): Declaration as extern.
1796 * timevar.def (TV_SEE): New.
1797 * tree-pass.h (pass_see): Declaration as extern.
1798 * invoke.texi (-fsee): Document.
1799 * recog.c (validate_simplify_insn): New function.
1800 * recog.h (validate_simplify_insn): Declaration as extern.
1801 * df-problems.c (df_chain_dump): Check for NULL.
1803 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1804 Daniel Berlin <dberlin@dberlin.org>
1806 * cfgrtl.c (insert_insn_bb_end_new): New function.
1807 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1809 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1811 * df.h (struct web_entry): Moved from web.c.
1812 (union_defs): Declaration as extern.
1813 (unionfind_root): Likewise.
1814 (unionfind_union): Likewise.
1815 * web.c (struct web_entry): Moved to df.h.
1816 (unionfind_root): Remove static declaration.
1817 (unionfind_union): Likewise.
1818 (union_defs): Likewise and generalize to use callback function.
1819 (web_main): Update arguments for union_defs function call.
1821 2006-05-04 Richard Guenther <rguenther@suse.de>
1823 PR tree-optimization/26447
1824 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1825 produce SSA_NAME copies before the store stmt to avoid
1826 breaking exception handling.
1828 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1831 * gimplify.c (omp_is_private): If var is shared in some outer context,
1832 return false instead of true. Stop searching on parallel context
1835 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1838 * coverage.c: Use get_gcov_unsigned_t() instead of
1839 unsigned_type_node all over.
1841 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1843 PR tree-optimization/27381
1844 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1845 maintain the same immediate_use links.
1846 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1847 node rather than segfaulting.
1849 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1852 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1853 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1854 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1856 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1858 Fix PR tree-optimization/26626
1859 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1861 * tree-ssa-operands.c (access_can_touch_variable): Allow
1862 typecasting through union pointers.
1864 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1867 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1868 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1869 to find if var will be a global variable even in the nested context.
1870 (omp_copy_decl): Only check for global variable at the end, it might
1871 be overridden in outer contexts.
1872 (scan_sharing_clauses): For global variables don't create a field.
1873 (lower_rec_input_clauses): Do nothing for global shared variables.
1874 Emit a barrier at the end of ILIST if there were any decls in both
1875 firstprivate and lastprivate clauses.
1876 (lower_send_clauses): Do nothing for global variables except for
1879 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1881 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1882 of the correct signedness is returned.
1884 2006-05-02 Jeff Law <law@redhat.com>
1886 PR tree-optimization/27364
1887 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1888 multiply expressions.
1890 2006-05-02 Tom Tromey <tromey@redhat.com>
1892 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1894 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1897 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1898 -mthumb -fPIC are used.
1900 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1901 Joshua Kinard <kumba@gentoo.org>
1904 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1905 with 64-bit pointers.
1907 2006-05-02 Paul Brook <paul@codesourcery.com>
1909 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1911 (create_fix_barrier): Check that a suitable barrier location is
1913 (arm_reorg): Include ftmp->address in allowable range of addresses.
1915 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1918 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1921 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1924 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1925 around RESULT_DECL for result passed by reference.
1926 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1927 * omp-low.c (use_pointer_for_field): Don't look at
1928 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1929 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1930 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1931 time or var for passing by reference for
1932 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1933 TREE_ADDRESSABLE variables when passing by reference.
1935 * omp-low.c (dump_omp_region): Fix output formatting.
1938 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1939 (expand_omp_parallel): Likewise.
1940 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1943 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1944 on statement list containing also constructors and destructors.
1945 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1948 * except.c (duplicate_eh_regions): Fix clearing of
1949 cfun->eh->region_array entries.
1951 2006-05-01 DJ Delorie <dj@redhat.com>
1953 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1955 (gcc_cv_objdump): Likewise.
1956 * configure: Regenerated.
1958 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1961 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1962 templates for case 3 and 4.
1964 2006-05-01 DJ Delorie <dj@redhat.com>
1966 * vec.c: Include bconfig.h when appropriate.
1967 * Makefile.in (build/vec.o): Adjust dependencies.
1968 * mkconfig.sh: Make sure config.h isn't used for build machine
1971 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1973 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1975 (mark_phi_for_rewrite): New function.
1976 (insert_phi_nodes_for, mark_use_interesting): Call
1977 mark_phi_for_rewrite.
1978 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1979 (update_ssa): Initialize and free phis_to_rewrite.
1981 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1983 PR rtl-optimization/27291
1984 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1985 folded to a constant.
1987 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1989 PR tree-optimization/27283
1990 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1991 not whole # of iteration descriptions.
1992 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1993 uses abnormal ssa name.
1994 (niter_for_single_dom_exit): Ditto.
1995 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1996 return just the number of iterations.
1998 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2000 PR tree-optimization/27144
2001 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2002 (record_estimate): Only record constant upper bound.
2003 (infer_loop_bounds_from_undefined): Call
2004 compute_estimated_nb_iterations just once.
2005 (proved_non_wrapping_p): Renamed to ...
2006 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2007 (convert_step_widening, scev_probably_wraps_p): Call
2008 n_of_executions_at_most instead of proved_non_wrapping_p.
2009 (substitute_in_loop_info): Do not replace values in bounds.
2010 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2013 2006-05-01 Richard Henderson <rth@redhat.com>
2016 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2017 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2020 2006-05-01 Roger Sayle <roger@eyesopen.com>
2022 * c-typeck.c (parser_build_binary_op): Don't call the function
2023 unsigned_conversion_warning to spot operand/result type overflow.
2024 (build_binary_op): Instead, call convert_and_check instead of
2025 convert to report the problem when the operands are promoted.
2026 * c-common.c (unsigned_conversion_warning): Make static.
2027 * c-common.h (unsigned_conversion_warning): Delete prototype.
2029 2006-05-01 Richard Guenther <rguenther@suse.de>
2031 PR tree-optimization/26726
2032 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2034 (find_interesting_uses_address): ... we work around here
2035 by folding INDIRECT_REFs in the substituted base.
2037 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2039 * omp-low.c (dump_omp_region): Add newlines.
2041 2006-04-30 Roger Sayle <roger@eyesopen.com>
2043 * common.opt (Woverflow): New command line option.
2044 * c-common.c (constant_expression_warning): Check warn_overflow.
2045 (overflow_waring): Pass OPT_Woverflow to warning.
2046 (unsigned_conversion_warning): Likewise.
2047 (convert_and_check): Likewise.
2048 * doc/invoke.texi: Document new command line option.
2050 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2052 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2053 TARGET_NO_FP_IN_TOC for section anchors.
2054 (optimization_options): Enable section anchors for all
2055 non-"Objective" languages.
2057 2006-04-28 Eric Christopher <echristo@apple.com>
2059 * config/darwin-c.c (darwin_ms_struct): Move this
2060 (darwin_set_default_type_attributes): and this...
2061 * config/darwin.c: ... here.
2062 * config/darwin.h (darwin_ms_struct): Declare.
2064 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2066 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2068 2006-04-28 Roger Sayle <roger@eyesopen.com>
2071 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2072 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2073 an unsigned HOST_WIDE_INT.
2074 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2076 (really_start_incremental_init): No need to call convert because
2077 bitsize_zero_node is already of type bitsizetype.
2078 (push_init_level): Extract the value of constructor_index as an
2079 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2080 (process_init_element): Likewise.
2082 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2084 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2085 value before passing to make_relative_prefix.
2087 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2090 * builtins.c (expand_builtin_memset): Expand val in original mode.
2092 2006-04-27 Eric Christopher <echristo@apple.com>
2094 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2095 with #ifndef/#endif.
2096 * config/darwin-c.c (darwin_ms_struct): New.
2097 (darwin_pragma_ms_struct): Ditto.
2098 (darwin_set_default_type_attributes): Ditto.
2099 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2100 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2101 Register ms_struct pragma.
2102 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2103 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2104 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2105 darwin_set_default_type_attributes if TARGET_MACHO.
2107 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2109 PR tree-optimization/26854
2110 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2111 * doc/tree-ssa.texi: Update immuse iterator documentation.
2112 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2113 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2114 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2115 first_safe_imm_use, next_safe_imm_use): Remove.
2116 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2117 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2118 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2119 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2120 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2121 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2122 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2123 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2124 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2125 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2126 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2127 (perfect_nestify): Use new iterator.
2128 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2130 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2131 (next_imm_name): New field in struct immediate_use_iterator_d.
2132 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2133 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2134 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2135 * tree-cfg.c (replace_uses_by): Use new iterator.
2136 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2137 * tree-ssa-operands.c (correct_use_link): Remove.
2138 (finalize_ssa_use_ops): No longer call correct_use_link.
2140 2006-04-27 Stuart Hastings <stuart@apple.com>
2142 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2143 * config/t-darwin (crt3.o): Use it.
2144 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2145 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2146 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2147 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2148 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2151 2006-04-27 Roger Sayle <roger@eyesopen.com>
2153 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2154 size, force the intermediate into a new pseudo rather instead of
2155 performing both a bitwise AND and a bitwise IOR in memory.
2157 2006-04-27 Richard Guenther <rguenther@suse.de>
2159 PR rtl-optimization/26685
2160 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2161 this one "max-flow-memory-locations".
2163 2006-04-27 Richard Guenther <rguenther@suse.de>
2165 PR tree-optimization/25148
2166 * tree-vrp.c (compare_values): Remove code dealing with
2167 comparisons against type min/max value. Honour overflow
2168 and negative constants in code dealing with comparisons
2169 of plus and minus expressions.
2170 (value_inside_range): Use fold_binary with LE_EXPR and
2171 GE_EXPR rather than compare_values.
2173 2006-04-27 Dirk Mueller <dmueller@suse.de>
2175 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2178 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2180 * basic-block.h (safe_insert_insn_on_edge): Removed.
2181 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2183 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2184 Paolo Bonzini <bonzini@gnu.org>
2187 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2188 (simplify_and_const_int): Same.
2190 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2192 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2194 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2197 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2198 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2199 cgraph_global_info_ready.
2202 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2205 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2206 either decl or init is error_mark_node.
2209 * tree-flow.h (struct omp_region): Add sched_kind.
2210 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2211 instead of extracting omp for data.
2212 (expand_omp_for): Save extracted sched_kind.
2214 2006-04-25 Roger Sayle <roger@eyesopen.com>
2216 * expmed.c (store_bit_field): Also check whether the bitsize is
2217 valid for the machine's "insv" instruction before moving the
2218 target into a pseudo for use with the insv.
2219 * config/i386/predicates.md (const8_operand): New predicate.
2220 * config/i386/i386.md (extv, extzv, insv): Use the new
2221 const8_operand predicate where appropriate.
2223 2006-04-25 DJ Delorie <dj@redhat.com>
2225 * doc/install.texi (Specific): Clarify that this is not a list of
2226 supported hosts or targets.
2228 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2230 PR rtl-optimization/26725
2231 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2232 block's BB_DIRTY flag.
2234 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2236 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2239 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2240 to print an integer.
2242 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2244 * varasm.c (align_variable): New function.
2245 (get_block_for_decl): Apply align_variable to DECL before
2246 calculating section information.
2247 (assemble_variable): Split out alignment computation.
2249 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2251 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2254 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2256 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2257 MODE_PARTIAL_INT mode.
2258 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2259 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2261 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2262 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2264 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2266 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2268 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2269 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2270 MACFLAG_IH): Likewise.
2271 (movstricthi_1): Renamed from "*movstricthi".
2272 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2273 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2274 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2275 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2276 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2277 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2278 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2279 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2280 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2281 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2282 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2283 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2284 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2285 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2286 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2288 * doc/rtl.texi (ss_ashift): Improve wording.
2290 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2292 * dwarf2out.c (verify_marks_clear): New.
2293 (prune_unused_types): Call verify_marks_clear initially, not
2296 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2298 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2299 * doc/rtl.texi: Document them.
2300 * simplify-rtx.c (simplify_unary_operation,
2301 simplify_binary_operation_1): Don't abort when we see them.
2303 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2306 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2307 * configure.ac: Completely disregard languages that are not
2309 * configure: Regenerated.
2311 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2312 Richard Guenther <rguenther@suse.de>
2314 PR tree-optimization/27236
2315 * tree-inline.c (copy_body_r): Make sure to copy
2316 TREE_THIS_VOLATILE flag.
2318 2006-04-24 Richard Guenther <rguenther@suse.de>
2321 * tree-complex.c (update_parameter_components): Don't handle
2322 unused parameters which have no default def.
2324 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2325 Richard Guenther <rguenther@suse.de>
2327 PR tree-optimization/27218
2328 * tree-inline.c (expand_call_inline): Strip useless type
2329 conversions for the return slot address.
2331 2006-04-24 Richard Guenther <rguenther@suse.de>
2333 * cfgloop.h (struct loops): Remove unused field array. Reorder
2335 (LOOP_PREFETCH): Remove.
2337 2006-04-24 Richard Guenther <rguenther@suse.de>
2339 PR tree-optimization/22525
2340 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2341 variable, adjust types of generated expressions.
2343 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2345 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2346 (tree-vect-patterns.o): Likewise.
2348 (cselib.o): Likewise.
2349 (loop-doloop.o): Likewise.
2350 (regclass.o): Likewise.
2351 (reload1.o): Likewise.
2352 (explow.o): Replace target.h with $(TARGET_H).
2353 (ipa-prop.o): Likewise.
2354 (ipa-cp.o): Likewise.
2355 (ipa-inline.o): Likewise.
2356 (reorg.o): Likewise.
2357 (reg-stack.o): Likewise.
2359 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2361 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2363 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2365 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2367 * configure.ac: Completely disregard languages that are not
2369 * configure: Regenerated.
2372 * c-common.h (c_build_bitfield_integer_type): Declare.
2373 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2374 * c-common.c (c_build_bitfield_integer_type): ... here.
2376 2006-04-23 Roger Sayle <roger@eyesopen.com>
2379 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2380 a SImode SUBREG of a floating point register after no_new_pseudos.
2382 2006-04-23 Roger Sayle <roger@eyesopen.com>
2384 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2385 identify potentially eliminable registers to additionally catch
2386 VIRTUAL_INCOMING_ARGS_REGNUM.
2387 (addsi3): Update the conditions on when to use addsi_small_int.
2389 2006-04-23 Roger Sayle <roger@eyesopen.com>
2392 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2393 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2394 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2396 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2398 * fold-const.c (range_predecessor): Use operand_equal_p
2399 as the predicate for equality.
2400 (range_successor): Likewise.
2402 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2405 * config/soft-fp/op-common.h: Fix a typo.
2407 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2410 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2411 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2413 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2415 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2417 * doc/tm.texi: Fix a typo.
2419 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2421 * dwarf2out.c (struct die_struct): Document that die_sib makes
2422 a circular linked list.
2423 (FOR_EACH_CHILD): New.
2424 (reverse_die_lists): Delete.
2425 (reverse_all_dies): Delete.
2426 (add_dwarf_attr): Correct documentation.
2427 (remove_child_with_prev): New.
2428 (remove_child_TAG): Update for change to die_struct, use
2429 remove_child_with_prev.
2430 (add_child_die): Update for change to die_struct.
2431 (splice_child_die): Use remove_child_with_prev and add_child_die.
2432 (print_die): Use FOR_EACH_CHILD.
2433 (die_checksum): Likewise.
2434 (assign_symbol_names): Likewise.
2435 (output_location_lists): Likewise.
2436 (build_abbrev_table): Likewise.
2437 (calc_die_sizes): Likewise.
2438 (mark_dies): Likewise.
2439 (unmark_dies): Likewise.
2440 (unmark_all_dies): Likewise.
2441 (output_die): Likewise.
2442 (prune_unused_types_mark): Likewise.
2443 (prune_unused_types_walk): Likewise.
2444 (same_die_p): Update for change to die_struct.
2445 (break_out_includes): Likewise.
2446 (prune_unused_types_prune): Likewise.
2447 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2448 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2450 (dwarf2out_finish): Don't call reverse_all_dies.
2452 2006-04-21 Eric Christopher <echristo@apple.com>
2454 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2455 in comments and function names.
2457 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2460 * c-typeck.c (digest_init): Robustify.
2462 * c-typeck.c (pop_init_level): Simplify.
2464 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2466 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2468 2006-04-21 Paul Brook <paul@codesourcery.com>
2470 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2471 hardware floating point.
2473 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2475 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2478 2006-04-21 Nick Clifton <nickc@redhat.com>
2480 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2483 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2486 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2487 C++ lang type in traceback table for Objective-C++.
2489 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2491 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2493 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2495 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2498 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2499 were errors. Remove check for erroneous objects.
2501 2006-04-20 Jeff Law <law@redhat.com>
2503 PR tree-optimization/26854
2504 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2505 checking for zero or one use.
2506 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2507 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2508 * tree-ssa-reassoc.c (negate_value): Similarly.
2509 (reassociate_bb): Similarly.
2511 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2513 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2514 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2515 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2517 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2519 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2520 fp regs if the last fp arg doesn't fit in regs.
2522 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2525 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2526 that the last insn has the REG_INC note.
2528 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2529 Nathan Sidwell <nathan@codesourcery.com>
2532 * stor-layout.c (update_alignment_for_field): Do not align
2534 (place_union_field): Place union field at the start of the union.
2535 (place_field): Move ERROR_MARK check later, and use the current
2536 allocation position to maintain monotonicity.
2538 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2540 * dominance.c: Include timevar.h.
2541 (calculate_dominance_info): Use TV_DOMINANCE.
2542 * timevar.def (TV_DOMINANCE): New timevar.
2543 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2545 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2547 PR rtl-optimization/14261
2548 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2549 move would be an INSV insn.
2550 (noce_process_if_block): Don't optimize if the destination is a
2551 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2553 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2555 * config/s390/s390.md: Add comments with the instructions emitted
2556 by an insn pattern if macros are used.
2558 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2560 PR rtl-optimization/26026
2561 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2562 is a known power of two shifted left a variable amount.
2564 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2566 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2567 to hash table twice when the debug_str section has SECTION_MERGE.
2569 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2571 * config/soft-fp: New directory. From glibc.
2572 * config/soft-fp/t-softfp: New.
2573 * config/soft-fp/README: New.
2574 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2575 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2576 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2577 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2578 * config.gcc: Use rs6000/t-fprules-fpbit or
2579 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2581 * config/rs6000/sfp-machine.h: New. Based on glibc.
2582 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2584 * config/rs6000/t-fprules: Remove fp-bit rules.
2585 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2586 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2587 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2588 (softfp_wrap_start, softfp_wrap_end): New.
2590 2006-04-18 DJ Delorie <dj@redhat.com>
2592 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2594 2006-04-18 Devang Patel <dpatel@apple.com>
2596 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2598 2006-04-18 Nick Clifton <nickc@redhat.com>
2600 * config/sh/t-symbian: Add rule to build sh-c.o
2601 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2602 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2603 (sh_symbian_encode_section_info): Likewise.
2605 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2607 * builtins.c (expand_builtin_strcmp): Cover label definition of
2608 do_libcall with HAVE_cmpstrnsi.
2610 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2612 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2614 * function.h (temp_slot_p): New.
2615 (function): Change the type of x_used_temp_slots to
2616 VEC(temp_slot_p,gc) *.
2618 2006-04-18 Nick Clifton <nickc@redhat.com>
2620 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2621 flag_strength_reduce.
2623 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2625 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2629 Partial revert of revision 112637
2630 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2631 Dale Johannesen <dalej@apple.com>
2634 * regclass.c (struct reg_pref): Update documentation.
2635 (regclass): Set prefclass to NO_REGS if memory is the best option.
2636 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2638 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2640 PR tree-optimization/26821
2641 * tree-ssa-math-opts.c (get_constant_one): New.
2642 (insert_reciprocals): Use it.
2644 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2646 * dwarf2out.c (free_AT): Delete.
2647 (remove_AT): Update string ref counts.
2648 (remove_child_TAG): Don't call free_die.
2650 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2651 or DW_TAG_GNU_EINCL.
2652 (prune_unused_types_walk_attribs): Reset string refcounts.
2653 (prune_unused_types_update_strings): New.
2654 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2655 call free_die. Do call prune_unused_types_update_strings.
2656 (prune_unused_types): Empty debug_str_hash.
2658 2006-04-17 Roger Sayle <roger@eyesopen.com>
2660 * expr.c (expand_assignment): Optimize away no-op moves where the
2661 source and destination are equal and have no side-effects.
2663 2006-04-17 Richard Guenther <rguenther@suse.de>
2666 * reload.c (push_reload): Guard calls to get_secondary_mem
2669 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2671 * alias.c (reg_base_value, old_reg_base_value): Change the
2672 type to VEC(rtx,gc) *.
2673 (REG_BASE_VALUE, find_base_value, record_set,
2674 init_alias_analysis): Use VEC instead of VARRAY.
2676 * alias.c (alias_sets): Change the type to
2677 VEC(alias_set_entry,gc) *.
2678 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2679 VEC instead of VARRAY.
2680 (last_alias_set): Remove.
2682 * cgraph.h (cgraph_edge_p): New.
2683 Update the prototype of cgraph_function_versioning.
2684 * cgraphunit.c (cgraph_copy_node_for_versioning,
2685 cgraph_function_versioning): Use VEC instead of VARRAY.
2686 * ipa-cp.c (ipcp_insert_stage): Likewise.
2688 2006-04-16 Roger Sayle <roger@eyesopen.com>
2691 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2692 "A op B" or "A op C", we may need to convert A to the type of B and C.
2694 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2696 * target.h (struct gcc_target): Add mode_rep_extended.
2697 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2698 (init_num_sign_bit_copies_in_rep): Initialize it using
2700 (truncate_to_mode): Use it.
2701 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2702 * targhooks.h (default_mode_rep_extended): Declare it.
2703 * targhooks.c (default_mode_rep_extended): Define it.
2704 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2705 default_mode_rep_extended.
2706 (TARGET_INITIALIZER): Include it.
2707 * doc/tm.texi (Misc): Document it.
2708 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2709 (mips_truncated_to_mode): New function.
2711 2006-04-16 Roger Sayle <roger@eyesopen.com>
2714 * expr.c (compress_float_constant): Copy the narrow constant into
2715 a new pseudo before extending it to its final width.
2717 2006-04-16 Roger Sayle <roger@eyesopen.com>
2718 Andrew Pinski <pinskia@gcc.gnu.org>
2719 Dale Johannesen <dalej@apple.com>
2722 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2723 special case code to implement V8HImode and V16QImode with SSE2.
2725 2006-04-15 Roger Sayle <roger@eyesopen.com>
2727 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2728 trees are constructed with a suitable tree type.
2730 2006-04-15 Roger Sayle <roger@eyesopen.com>
2732 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2733 (integer_onep): Likewise.
2734 (integer_all_onesp): Likewise.
2735 (integer_pow2p): Likewise.
2736 (integer_nonzerop): Likewise.
2737 (real_zerop): Likewise.
2738 (real_onep): Likewise.
2739 (real_twop): Likewise.
2740 (real_minus_onep): Likewise.
2741 (int_size_in_bytes): Likewise.
2742 (host_integerp): Likewise.
2744 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2746 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2747 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2748 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2750 * tree-ssa-structalias.h (alias_info): Remove num_references.
2752 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2754 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2755 (output_bvb patterns): Likewise.
2756 * pa.c (output_bb): Use 'bb' insn for long branch case.
2757 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2758 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2759 1. Correct length operand for alternatives 1 and 2.
2760 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2761 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2763 2006-04-14 Roger Sayle <roger@eyesopen.com>
2765 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2766 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2767 were accidentally reverted by r112959.
2769 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2772 * except.h (eh_region_outermost): New prototype.
2773 * except.c (eh_region_outermost): New function.
2774 * tree-cfg.c (find_outermost_region_in_block): Use it.
2776 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2778 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2780 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2781 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2782 (init_reload, reload): Use VEC instead of VARRAY.
2783 * reload.h: Update the prototype for
2784 reg_equiv_memory_loc_varray.
2786 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2787 Eric Botcazou <ebotcazou@libertysurf.fr>
2789 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2792 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2795 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2796 to expand fallback builtin function call.
2798 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2801 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2802 and emit libcall here in case the builtin fails.
2803 (expand_builtin_strcmp): Always emit the libcall here on failure.
2805 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2807 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2808 * flow.c (reg_n_info): Change the type to
2809 VEC(reg_info_p,heap) *.
2810 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2812 * regs.h (reg_info_p): New.
2813 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2814 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2815 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2818 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2820 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2822 * params.h (MAX_SCHED_READY_INSNS): New macro.
2823 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2824 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2825 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2826 the ready list for 1 cycle during the first scheduling pass.
2827 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2829 2006-04-13 Richard Henderson <rth@redhat.com>
2832 * gimple-low.c (lower_omp_directive): Remove dead code.
2833 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2834 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2835 * omp-low.c (struct omp_region): Move to tree-flow.h.
2836 (root_omp_region): Export.
2837 (omp_regions, lookup_omp_region): Remove.
2838 (determine_parallel_type): Update for struct omp_region changes.
2839 (dump_omp_region): Dump regions with block numbers.
2840 (new_omp_region): Take type and block instead of stmt; malloc
2842 (free_omp_region_1, free_omp_regions): New.
2843 (expand_parallel_call): Take entry_stmt as argument; update for
2844 changes to omp_region.
2845 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2846 (remove_exit_barriers): New.
2847 (expand_omp_parallel): Update for struct omp_region changes.
2848 (expand_omp_synch): Likewise.
2849 (expand_omp): Likewise.
2850 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2851 (expand_omp_for_static_chunk): Likewise.
2852 (expand_omp_for): Likewise.
2853 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2854 (expand_omp_sections): Similarly, with GOMP_sections_end.
2855 (expand_omp_single): New.
2856 (build_omp_regions_1): Update for OMP_CONTINUE.
2857 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2858 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2859 OMP_SECTIONS_SECTIONS.
2860 (lower_omp_single_simple): Don't emit barrier here.
2861 (lower_omp_single_copy): Likewise.
2862 (lower_omp_single): Fix bindings, and lower to straightline now.
2863 (lower_omp_master, lower_omp_ordered): Likewise.
2864 (lower_omp_critical): Likewise.
2865 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2866 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2867 omp edges, free it afterward.
2868 (make_omp_sections_edges): Remove.
2869 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2870 (move_stmt_r): Handle OMP_CONTINUE.
2871 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2872 statement pointers to basic blocks. Add type member.
2873 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2874 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2875 * tree-inline.c (estimate_num_insns_1): Likewise.
2876 * tree-pretty-print.c (dump_generic_node): Likewise.
2877 * tree-ssa-operands.c (get_expr_operands): Likewise.
2878 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2879 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2880 (OMP_CONTINUE): New.
2881 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2882 (OMP_SECTIONS_SECTIONS): Remove.
2883 (OMP_SECTION_LAST): New.
2884 (OMP_RETURN_NOWAIT): New.
2886 2006-04-13 Roger Sayle <roger@eyesopen.com>
2888 * fold-const.c (native_encode_vector, native_interpret_real):
2889 Correct obvious mistakes in the previous check-in.
2891 2006-04-13 Roger Sayle <roger@eyesopen.com>
2893 * fold-const.c (native_encode_expr): New function to encode
2894 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2895 or VECTOR_CST into a specified buffer.
2896 (native_encode_int): New function.
2897 (native_encode_real): New function.
2898 (native_encode_complex): New function.
2899 (native_encode_vector): New function.
2900 (native_interpret_expr): Inverse of native_encode_expr to convert
2901 a target representation into an INTEGER_CST, REAL_CST etc...
2902 (native_interpret_int): New function.
2903 (native_interpret_real): New function.
2904 (native_interpret_complex): New function.
2905 (native_interpret_vector): New function.
2906 (fold_view_convert_expr): New function to constant fold/evaluate
2907 a VIEW_CONVERT_EXPR of a suitable constant expression.
2908 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2909 Change call of build1 to fold_build1 when constructing a
2912 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2913 Ulrich Weigand <uweigand@de.ibm.com>
2916 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2919 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2922 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2923 optimize to lo_sum for DFmode if !TARGET_FPRS.
2925 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2927 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2928 delete_alias_info, compute_flow_sensitive_aliasing,
2929 group_aliases): Use VEC instead of VARRAY.
2930 * tree-ssa-structalias.c (update_alias_info): Likewise.
2931 * tree-ssa-structalias.h (alias_info): Change the type of
2932 processed_ptrs to VEC(tree,heap) *.
2934 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2937 * config/sh/lib1funcs.h: New file, broken out of:
2938 * config/sh/lib1funcs.asm.
2939 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2941 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2942 * config/sh/lib1funcs-Os-4-200.asm: New file.
2943 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2944 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2945 (EXTRA_MULTILIB_PARTS): Include it.
2946 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2947 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2948 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2949 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2952 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2954 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2955 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2956 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2958 * tree-ssa-live.h: Include vecprim.h.
2959 (tree_partition_associator_d): Change the type of
2960 first_partition to VEC(int,heap) *.
2961 (tpa_first_partition): Use VEC instead of VARRAY.
2963 * Makefile.in (GTFILES): Move functions.h after tree.h.
2964 * function.c (reset_block_changes, record_block_change,
2965 check_block_change, free_block_changes): Use VEC instead of
2967 * function.h (function): Change the type of
2968 ib_boundaries_block to VEC(tree,gc) *.
2969 * tree-inline.c (copy_cfg_body): Initialize
2970 ib_boundaries_block to NULL instead of (varray_type) 0.
2972 2006-04-12 Roger Sayle <roger@eyesopen.com>
2974 * expr.c (emit_group_store): Correct operand order in call to
2975 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2976 a SUBREG_BYTE of zero.
2978 2006-04-12 Richard Guenther <rguenther@suse.de>
2980 * profile.c (compute_branch_probabilities): Remove code
2981 encapsulated in !ir_type (), which are remanents of the
2982 removed RTL profiling code.
2983 * rtl-profile.c: Remove.
2985 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2987 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2988 magic NULL_RTX comment.
2989 (function_arg): Store entire fp arg to mem if any part should go
2991 (rs6000_arg_partial_bytes): Adjust for above change.
2993 2006-04-11 Roger Sayle <roger@eyesopen.com>
2995 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2996 if it hasn't been initialized by dwarf2out_init.
2998 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3000 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3001 symbolic constants in branch patterns.
3003 2006-04-11 Roger Sayle <roger@eyesopen.com>
3005 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3007 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3009 PR rtl-optimization/27073
3010 * gcse.c (try_replace_reg): Revert last change. Continue to search
3011 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3014 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3016 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3017 aggregate types other than record and union types.
3018 (function_arg): Likewise.
3019 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3021 (function_value): In 64-bit mode, return objects that require it
3024 2006-04-11 Roger Sayle <roger@eyesopen.com>
3026 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3028 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3030 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3032 2006-04-03 Jeff Law <law@redhat.com>
3035 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3036 alias information too.
3038 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3040 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3042 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3045 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3046 (premark_used_types_helper): New.
3047 (premark_used_types): New.
3048 (gen_subprogram_die): Call premark_used_types.
3049 (prune_unused_types_walk): Do not prune perennial dies.
3050 * function.c (used_types_insert): New.
3051 * function.h (struct function): Add used_types_hash field.
3052 (used_types_insert): Add prototype.
3053 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3054 * c-parser.c (c_parser_cast_expression): Save casted types in used
3057 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3060 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3061 rs6000_explicit_options.float_gprs.
3063 2006-04-10 Roger Sayle <roger@eyesopen.com>
3065 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3066 from ix86_expand_vector_init_low_nonzero. Take an additional
3067 one_var argument indicating which element is non-zero. Support
3068 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3069 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3070 with one_var instead of ix86_expand_vector_init_low_nonzero.
3072 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3074 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3075 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3076 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3077 build/genextract.o): Depend on vecprim.h.
3078 * cfglayout.c, df-problems.c, function.c, genextract.c,
3079 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3080 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3084 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3086 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3087 Declare VECs of this type.
3088 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3089 (remove_children): Delete.
3090 (add_dwarf_attr): Use VEC routines.
3091 (add_AT_flag): Update for changes to add_dwarf_attr.
3092 (add_AT_int): Likewise.
3093 (add_AT_unsigned): Likewise.
3094 (add_AT_long_long): Likewise.
3095 (add_AT_vec): Likewise.
3096 (add_AT_string): Likewise.
3097 (add_AT_die_ref): Likewise.
3098 (add_AT_fde_ref): Likewise.
3099 (add_AT_loc): Likewise.
3100 (add_AT_loc_list): Likewise.
3101 (add_AT_addr): Likewise.
3102 (add_AT_lbl_id): Likewise.
3103 (add_AT_lineptr): Likewise.
3104 (add_AT_macptr): Likewise.
3105 (add_AT_offset): Likewise.
3106 (add_AT_range_list): Likewise.
3107 (get_AT): Use VEC_iterate.
3108 (remove_AT): Use VEC_ordered_remove.
3109 (free_die): Fold remove_children into here; have it use VEC_iterate.
3110 (print_die): Use VEC_iterate on attrs.
3111 (reverse_die_lists): Don't reverse attr lists.
3112 (die_checksum): Use VEC_iterate on attrs.
3113 (same_die_p): Likewise.
3114 (output_location_lists): Likewise.
3115 (build_abbrev_table): Likewise.
3116 (size_of_die): Likewise.
3117 (unmark_all_dies): Likewise.
3118 (output_abbrev_section): Likewise.
3119 (output_die): Likewise.
3120 (prune_unused_types_walk_attribs): Likewise.
3122 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3124 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3126 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3129 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3131 2006-04-09 Roger Sayle <roger@eyesopen.com>
3133 * expr.c (store_constructor): Don't bother clearing target if
3134 we're about to assign a vector to it using vec_init_optab.
3136 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3138 * tree-ssa-alias.c (lhs_may_store_to): New function.
3139 (recalculate_used_alone): Handle LHS of calls.
3141 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3145 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3146 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3147 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3148 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3149 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3150 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3151 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3152 stubs. Add ".align 8" directives before all ".dword" directives.
3153 (GTHREAD_USE_WEAK): Revise comment.
3154 (TARGET_ATTRIBUTE_WEAK): Define.
3155 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3156 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3157 * stublib.c: New file.
3162 * pa.md (cbranch patterns): Revise arguments used in calls to
3163 output_cbranch, output_bb and output_bvd. Add long branch length
3165 (fbranch patterns): Handle long branches.
3166 (jump): Revise length check. Revise arguments for output_lbranch call.
3167 Add long branch length attributes.
3168 (decrement_and_branch_until_zero): Add long branch length attributes.
3169 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3170 Likewise. Revise arguments for output_parallel_addb and
3171 output_parallel_movb calls.
3172 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3173 output_parallel_movb and output_parallel_addb): Update prototypes.
3174 * pa.c (output_cbranch): Revise arguments. Correct handling of
3175 nullification in long branches.
3176 (output_lbranch): Add new argument to control extraction of delay
3178 (output_bb): Handle long branches.
3179 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3180 output_parallel_addb): Likewise.
3182 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3184 PR rtl-optimization/27073
3185 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3188 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3190 * tree.h (tree_memory_tag): Add old_used_alone.
3191 (SMT_OLD_USED_ALONE): New macro.
3192 * tree-ssa-alias.c (recalculate_used_alone): Stop
3193 marking things for renaming unnecessarily.
3195 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3197 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3198 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3199 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3200 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3201 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3202 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3203 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3204 spelling convensions.
3205 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3206 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3207 typos. Follow spelling conventions.
3209 2006-04-07 DJ Delorie <dj@redhat.com>
3211 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3212 passed on the stack.
3213 (m32c_init_cumulative_args): When a function returns a structure,
3214 always pass the pointer to that return area on the stack.
3215 (m32c_function_arg_advance): Don't increment the parameter number
3216 if we're processing the returned structure pointer.
3217 (pushm_info): Reverse order of registers.
3219 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3221 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3222 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3223 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3224 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3226 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3227 chrec_fold_multiply): Same.
3228 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3229 force_expr_to_var_cost): Same.
3230 * tree-mudflap.c (mf_xform_derefs_1): Same.
3231 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3233 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3235 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3236 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3239 2006-04-07 Jan Hubicka <jh@suse.cz>
3241 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3243 2006-04-07 Richard Guenther <rguenther@suse.de>
3245 PR tree-optimization/26135
3246 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3247 loads for store copy-prop.
3248 (copy_prop_visit_stmt): Likewise.
3250 2006-04-05 Robert Millan <robertmh@gnu.org>
3252 * config/i386/linux.h: Add a comment to mark macros that are
3253 being overriden in config/k*bsd-gnu.h.
3254 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3256 * config/knetbsd-gnu.h: Ditto.
3258 2006-04-06 Jan Hubicka <jh@suse.cz>
3262 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3265 2006-04-06 Mike Stump <mrs@apple.com>
3267 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3268 for HAVE_nonlocal_goto to be consistent.
3269 (expand_builtin_nonlocal_goto): Likewise.
3270 (expand_builtin_strcmp): Use #ifdef instead of #if
3271 for HAVE_cmpstrnsi to be consistent.
3273 2006-04-05 DJ Delorie <dj@redhat.com>
3275 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3278 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3280 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3281 got-relative addressing for anything but SImode.
3283 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3284 even if the calling function doesn't modify them.
3286 2006-04-05 Richard Guenther <rguenther@suse.de>
3288 PR tree-optimization/26919
3289 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3290 to cgraph_estimate_size_after_inlining.
3292 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3294 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3296 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3298 PR tree-optimization/26996
3299 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3300 VECTOR_TYPE variables.
3302 2006-04-05 Richard Guenther <rguenther@suse.de>
3304 PR tree-optimization/26763
3305 * fold-const.c (fold_comparison): Move folding of
3306 PTR + CST CMP PTR + CST ...
3307 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3309 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3311 * doc/install.texi (Prerequisites): Refine some wording on
3312 bootstrapping and ksh.
3313 Move the version numbers of DejaGnu here from the testing section
3314 and fix casing of names.
3315 Fix markup and clarify wording for autogen requirements.
3316 Refer to GCJ instead of just java.
3317 Refer to SVN instead of CVS.
3318 Describe diffutils as useful instead of necessary.
3319 (Downloading the source): Refer to SVN instead of CVS.
3320 Adjust a link to our web site accordingly.
3321 (Configuration): Fix casing of Bison.
3322 (Building): Refer to SVN instead of CVS.
3323 Fix a sentence on the use of Bison and remove duplicate (and
3324 incorrect) version number of Bison requirement.
3325 Remove one redundant list of packages needed for building.
3326 (Specific): Avoid reference to CVS.
3328 2006-04-04 Eric Christopher <echristo@apple.com>
3330 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3331 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3332 (rs6000_handle_struct_attribute): New.
3333 (rs6000_ms_bitfield_layout_p): Ditto.
3335 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3337 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3338 NULL for dso parameter to atexit_common.
3340 2006-04-04 Eric Christopher <echristo@apple.com>
3342 * config/i386/i386.c (machopic_output_stub): Output \t
3343 between instructions and operands.
3345 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3347 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3348 satisfies_constraint_[IL] to explicit tests on value.
3350 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3352 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3353 set_nb_iterations_in_loop): Use build_int_cst instead of
3355 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3356 build_int_cst instead of convert.
3358 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3360 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3361 new value 2 for incoming.
3362 * function.c (expand_function_start): Call struct_value_rtx
3364 * config/sparc/sparc.md: Comment updated_return.
3365 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3366 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3367 struct return if sparc_std_struct_return and incoming is 2.
3368 (print_operand): Do not adjust return if
3369 sparc_std_struct_return.
3371 2006-04-04 Roger Sayle <roger@eyesopen.com>
3373 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3374 convert in the middle-end.
3375 * expr.c (store_expr, store_constructor, get_inner_reference,
3376 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3378 * tree.c (build_range_type): Likewise.
3380 2006-04-04 Tom Tromey <tromey@redhat.com>
3382 * doc/install.texi (Prerequisites): Mention jar.
3384 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3386 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3389 2006-04-04 Matthias Klose <doko@debian.org>
3391 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3392 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3395 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3397 * doc/extend.texi (Function Attributes): Rewrite visibility
3398 attribute documentation.
3399 * doc/invoke.texi (C++ Dialect Options): Rewrite
3400 -fvisibility-inlines-hidden documentation to describe something
3401 entirely different, although in practise compatible.
3402 (Code Gen Options): Warn about system headers in -fvisibility=
3405 * doc/extend.texi (Other Builtins): Document that
3406 __builtin_nan is a compile-time constant only when its argument
3409 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3411 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3412 trying to remove TRUNCATE check if all bits outside the new mode
3413 are identical to the sign bit.
3415 2006-04-03 Jeff Law <law@redhat.com>
3417 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3418 and operand scanning in some common cases.
3420 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3421 Dale Johannesen <dalej@apple.com>
3424 * regclass.c (struct reg_pref): Update documentation.
3425 (regclass): Set prefclass to NO_REGS if memory is the best option.
3426 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3427 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3428 into account. For non-registers, equate an empty preferred
3429 reload class to a `!' in the constraint; move the if clause to
3430 do so after those that reject the insn.
3431 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3433 (find_dummy_reload): Likewise.
3434 * doc/tm.texi (Register Classes): Document what it means
3435 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3436 * config/i386/i386.c (ix86_preferred_reload_class): Force
3437 using SSE registers (and return NO_REGS for floating-point
3438 constants) if math is done with SSE.
3439 (ix86_preferred_output_reload_class): New.
3440 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3441 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3442 * config/i386/i386.md: Remove # register preferences.
3444 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3447 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3448 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3449 the type of nb_iter.
3450 (instantiate_parameters_1): Convert the operands before calling
3451 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3452 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3454 2006-04-02 Roger Sayle <roger@eyesopen.com>
3456 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3457 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3459 * dojump.c (do_jump): Likewise.
3460 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3461 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3462 gimplify_boolean_expr): Likewise.
3463 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3464 * varasm.c (array_size_for_constructor): Likewise.
3465 * tree-object-size.c (compute_object_offset): Likewise.
3467 2006-04-02 Roger Sayle <roger@eyesopen.com>
3470 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3471 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3473 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3475 PR tree-optimization/26939
3476 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3478 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3480 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3481 at_stmt. Convert the type of operands before calling
3482 build_polynomial_chrec.
3483 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3485 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3486 (instantiate_parameters_1): Convert the type of operands before calling
3487 build_polynomial_chrec.
3488 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3489 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3490 reset_evolution_in_loop): Insert asserts to check the types of the
3492 (chrec_type): Moved...
3493 (eq_evolutions_p): Use operand_equal_p.
3494 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3495 the types of the operands.
3496 (chrec_type): ...here.
3497 * tree-data-ref.c (create_data_ref): Convert the operands before
3498 calling chrec_replace_initial_condition.
3499 (same_access_functions, analyze_subscript_affine_affine,
3500 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3501 (compute_subscript_distance, analyze_ziv_subscript,
3502 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3503 analyze_miv_subscript): Convert the operands before calling
3504 chrec_fold_minus or chrec_fold_plus.
3506 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3508 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3509 the dependence_relations vector.
3510 (compute_data_dependences_for_loop): Adjust call to
3511 compute_all_dependences.
3513 2006-04-01 Roger Sayle <roger@eyesopen.com>
3514 Richard Henderson <rth@redhat.com>
3516 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3517 gimple_boolify on the condition before calling gimplify_expr.
3519 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3521 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3522 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3523 the frame size. Update to use the new macros.
3524 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3525 * config/xtensa/ieee754-df.S: Likewise.
3527 2006-03-31 Richard Henderson <rth@redhat.com>
3529 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3530 (make_edges): ... here. Control fallthru creation with a local
3531 variable. Do not play with fake edges.
3532 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3533 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3536 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3538 * dwarf2.h (DW64_CIE_ID): Define.
3539 * dwarf2out.c (DWARF_CIE_ID): Define.
3540 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3541 length header. Use DWARF_CIE_ID.
3542 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3543 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3545 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3547 * config/sh/linux-atomic.asm: New file.
3548 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3550 2006-03-31 DJ Delorie <dj@redhat.com>
3552 * config/m32c/cond.md: Set condition flags properly throughout.
3553 * config/m32c/minmax.md: Likewise.
3554 * config/m32c/prologue.md: Likewise.
3555 * config/m32c/bitops.md: Likewise.
3556 * config/m32c/muldiv.md: Likewise.
3557 * config/m32c/mov.md: Likewise.
3558 * config/m32c/addsub.md: Likewise.
3559 * config/m32c/m32c.md: Likewise.
3560 * config/m32c/jump.md: Likewise.
3561 * config/m32c/shift.md: Likewise.
3563 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3564 conditionally output the pattern for this.
3565 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3566 (m32c_compare_redundant): New.
3567 (m32c_output_compare): New.
3568 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3570 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3571 dest, not src. Allow other 4-byte modes.
3573 2006-03-30 Denis Chertykov <denisc@overta.ru>
3575 * doc/md.texi: Refer to avr/constraints.md instead of
3578 2006-03-30 Roger Sayle <roger@eyesopen.com>
3580 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3581 signed vs. unsigned comparison failures on some hosts.
3583 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3586 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3587 change to FLOAT_REGS.
3589 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3590 (rs6000_override_options): Use it.
3591 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3592 only for -mabi=spe/no-spe and -mabi=altivec.
3594 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3596 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3599 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3601 * Makefile.in: Rename docdir to gcc_docdir.
3603 2006-03-30 Roger Sayle <roger@eyesopen.com>
3606 * expr.c (emit_group_store): Optimize group stores into a pseudo
3607 register by using a paradoxical subreg to initialize the destination
3608 if the first or last member of the group specifies a "low part".
3610 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3613 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3614 * target.h (struct gcc_target.speculate_insn): Change type of the
3615 second parameter to 'int'.
3616 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3617 the second operand of the DEPS_LIST.
3618 (copy_DEPS_LIST_list): Update reference to the second operand of the
3620 * rtl.h (alloc_DEPS_LIST): Update signature.
3621 * sched-int.h (ds_t): Change typedef to 'int'.
3622 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3624 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3626 * haifa-sched.c (try_ready): Change condition to restore
3627 non-speculative pattern of the instruction.
3628 (process_insn_depend_be_in_spec): Code to keep probability of the
3629 speculative dependence non-decreasing.
3631 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3633 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3634 (single_move_for_movmem): ... this. Also change all uses.
3635 (bfin_expand_strmov): Renamed to...
3636 (bfin_expand_movmem): ... this. Also change all uses.
3637 * config/bfin/bfin.md (movstrsi): Renamed to...
3638 (movstrsi): ...this.
3640 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3642 PR tree-optimization/26830
3644 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3645 (copy_prop_visit_stmt): Remove write-only variable ann.
3646 (init_copy_prop): Check variable loop depth here. Do not simulate
3647 memory-tag and virtual operand PHIs except for store copy prop.
3649 2006-03-30 Richard Guenther <rguenther@suse.de>
3651 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3652 variants with double arguments.
3654 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3656 * genpreds.c (write_tm_constrs_h): Delete variable p.
3657 * genconditions.c (write_header): Add tm-constrs.h to included
3659 * genpeep.c (main): Add toplev.h to included headers.
3660 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3661 (build/genpeep.o): Add toplev.h dependency.
3662 * config/rs6000/constraints.md: Add "W" constraint.
3664 2006-03-29 Roger Sayle <roger@eyesopen.com>
3666 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3667 sizes by correctly testing whether the size fits a host integer.
3668 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3669 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3670 SImode range for the default sizetype and bitsizetype.
3672 2006-03-29 Roger Sayle <roger@eyesopen.com>
3674 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3675 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3676 quickly if the argument is already of the correct type.
3677 Call fold_build1 instead of build1. Tidy up blank lines.
3679 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3681 * genemit.c (main): Add tm-constrs.h to included headers.
3682 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3683 * genpeep.c (main): Add tm-constrs.h to included headers.
3684 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3685 (write_tm_constrs_h): this and write complete file.
3686 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3687 (write_insn_preds_c): Add tm-constrs.h to included headers.
3688 (gen_constrs): New variable.
3689 (parse_option): Parse "-c".
3690 (main): Invoke write_tm_constrs_h.
3691 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3692 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3693 (object_out_file): Add tm-constrs.h dependency.
3694 (insn-emit.o): Same.
3695 (insn-output.o): Same.
3696 (insn-peep.o): Same.
3697 (insn-preds.o): Same.
3698 (insn-recog.o): Same.
3699 (tm-constsr.h): New target.
3700 (s-constrs-h): New target.
3702 * config/rs6000/constraints.md: New file.
3703 * config/rs6000/rs6000.c: Include tm-constrs.h.
3704 (num_insn_constant_wide): Convert to satisfies_constraint.
3705 (rs6000_rtx_costs): Convert to satisfies_constraint.
3706 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3707 (CONST_OK_FOR_LETTER_P): Delete.
3708 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3709 (EXTRA_CONSTRAINT): Delete.
3710 (EXTRA_MEMORY_CONSTRAINT): Delete.
3711 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3712 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3713 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3714 satisfies_constraint.
3716 * config/i386/i386.c: Include tm-constrs.h.
3718 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3720 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3721 * tree-data-ref.c (find_data_references_in_loop,
3722 compute_data_dependences_for_loop): Use pointers to VEC.
3723 (analyze_all_data_dependences): Adjust calls.
3724 * tree-data-ref.h (find_data_references_in_loop,
3725 compute_data_dependences_for_loop): Adjust declarations.
3726 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3727 compute_data_dependences_for_loop.
3729 2006-03-29 Paul Brook <paul@codesourcery.com>
3731 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3734 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3736 PR tree-optimization/26859
3737 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3739 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3740 for the step after fold_convert.
3742 2006-03-29 Paul Brook <paul@codesourcery.com>
3744 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3745 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3747 2006-03-29 Paul Brook <paul@codesourcery.com>
3750 * targhooks.c (default_narrow_bitfield): New fuction.
3751 * targhooks.h (default_narrow_bitfield): add prototype.
3752 * target.h (gcc_target): Add narrow_volatile_bitfield.
3753 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3754 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3755 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3756 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3758 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3760 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3762 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3763 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3764 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3765 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3766 (s390_function_arg_float): Allow SDmode and DDmode values to be
3767 passed in floating point registers.
3768 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3769 check with SCALAR_FLOAT_MODE_P.
3770 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3772 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3774 PR tree-optimization/25985
3775 * tree-ssa-loop-niter.c (number_of_iterations_le,
3776 number_of_iterations_ne): Make comments more precise.
3777 (number_of_iterations_cond): Add only_exit argument. Use the
3778 fact that signed variables do not overflow only when only_exit
3780 (loop_only_exit_p): New.
3781 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3782 number_of_iterations_cond.
3784 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3786 PR tree-optimization/26643
3787 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3790 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3792 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3793 (divsi3_i4_int): Likewise.
3795 2006-03-28 Roger Sayle <roger@eyesopen.com>
3797 * expr.c (emit_group_store): Only create a new pseudo reg if the
3798 quantity it needs to hold isn't already a suitable pseudo.
3800 2006-03-28 Jeff Law <law@redhat.com>
3802 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3803 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3805 2006-03-28 Roger Sayle <roger@eyesopen.com>
3807 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3808 the equivalent ~X & Y, and the symmetry related transformations.
3809 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3810 ~X & Y, and symmetry related transforms.
3812 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3814 Revert my 2006-03-27 patches.
3816 2006-03-28 Roger Sayle <roger@eyesopen.com>
3818 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3819 ~(T1)X, when T1 and T2 are integer types of the same precision
3820 and (T2)X isn't an extension.
3822 2006-03-28 Jeff Law <law@redhat.com>
3824 PR tree-optimization/26796
3825 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3826 need EH edge cleanups rather than purging them immediately.
3827 (eliminate_degenerate_phis): Handle queued EH cleanups.
3829 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3831 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3834 2006-03-27 Roger Sayle <roger@eyesopen.com>
3837 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3838 cast BIT_NOT_EXPR operand to the correct type.
3840 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3842 * tree-loop-linear.c: Don't include varray.h.
3843 (gather_interchange_stats, try_interchange_loops,
3844 linear_transform_loops): Use VEC instead of VARRAY.
3845 * lambda-mat.c: Don't include varray.h.
3846 * tree-chrec.c: Same.
3847 * lambda-trans.c: Same.
3848 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3849 VEC instead of VARRAY.
3850 * tree-vectorizer.h: Idem.
3851 * tree-data-ref.c (dump_data_references,
3852 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3853 initialize_data_dependence_relation, finalize_ddr_dependent,
3854 compute_all_dependences, find_data_references_in_loop,
3855 compute_data_dependences_for_loop, analyze_all_data_dependences,
3856 free_dependence_relation, free_dependence_relations,
3857 free_data_refs): Idem.
3858 * tree-data-ref.h (data_reference_p, subscript_p): New.
3859 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3860 VEC instead of VARRAY.
3861 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3862 (find_data_references_in_loop, compute_data_dependences_for_loop,
3863 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3864 dump_data_dependence_relations, free_dependence_relations,
3865 free_data_refs): Adjust declaration.
3866 (lambda_transform_legal_p): Move declaration here...
3867 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3868 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3869 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3870 vect_analyze_data_refs): Use VEC instead of VARRAY.
3871 * lambda.h (lambda_transform_legal_p): ...from here.
3872 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3873 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3874 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3875 tree-chrec.o): Don't depend on VARRAY_H.
3877 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3879 * rtl.def (Copyright): Update date.
3880 (DEPS_LIST): Change type of the second operand to 'int'.
3881 * target.h (Copyright): Update date.
3882 (struct gcc_target.speculate_insn): Change type of the second parameter
3884 * lists.c (Copyright): Update date.
3885 (alloc_DEPS_LIST): Change signature. Update reference to the second
3886 operand of the DEPS_LIST.
3887 (copy_DEPS_LIST_list): Update reference to the second operand of the
3889 * rtl.h (Copyright): Update date.
3890 (alloc_DEPS_LIST): Update signature.
3891 * sched-int.h (Copyright): Update date.
3892 (ds_t): Change typedef to 'int'.
3893 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3895 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3897 * haifa-sched.c (Copyright): Update date.
3898 (try_ready): Change condition to restore non-speculative pattern
3900 (process_insn_depend_be_in_spec): Code to keep probability of the
3901 speculative dependence non-decreasing.
3903 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3905 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3906 shut up the compiler.
3908 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3910 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3911 to use lib prefix for target.
3912 ($(T)libic_invalidate_array_4-200.a): Likewise.
3913 ($(T)libic_invalidate_array_4a.a): Likewise.
3915 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3916 J"orn Rennecke <joern.rennecke@st.com>
3918 * superh.opt: New file.
3919 * sh.c (boardtype, osruntime): Remove.
3920 * superh.h (SUBTARGET_OPTIONS): Remove.
3921 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3923 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3924 arguments with ^ and/or [].
3926 * config.gcc (sh-*-*): Add quoting to account for quirk of
3928 Replace == with = in enable_incomplete_targets test.
3930 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3931 with MASK_LITTLE_ENDIAN.
3933 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3934 * config/sh/sh.opt: Added to some comments.
3935 * config/sh/superh.h: Removed some chaff.
3937 * config/sh/sh.opt: Add m4-[1234]00* options.
3938 * config/sh/sh.c (sh_handle_option): Likewise.
3939 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3940 (ic_invalidate_array_4-100.o): New rule.
3941 ($(T)libic_invalidate_array_4-100.a): Likewise.
3942 (ic_invalidate_array_4-200.o): Likewise.
3943 ($(T)libic_invalidate_array_4-200.a): Likewise.
3944 (ic_invalidate_array_4a.o): Likewise.
3945 ($(T)libic_invalidate_array_4a.a): Likewise.
3946 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3947 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3949 * config/sh/crt1.asm: Merged in profiling code.
3950 * config/sh/superh.h (STARTFILE_SPEC): Override.
3951 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3952 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3953 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3955 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3956 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3957 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3959 * sh.opt (mpretend-cmove): New option.
3960 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3961 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3962 (movsicc): Add TARGET_PRETEND_CMOVE code.
3964 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3966 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3967 s390_class_max_nregs): New function prototypes.
3968 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3969 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3970 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3971 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3973 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3975 * dwarf2out.c (add_location_or_const_value_attribute): Call
3976 tree_add_const_value_attribute if nothing else works.
3977 (reference_to_unused): New.
3978 (rtl_for_decl_init): Use reference_to_unused to decide whether
3979 to output an initializer.
3981 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3984 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3985 peephole removing spe frob_di_df_2.
3987 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3989 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3990 (subscript_dependence_tester_1): Declared.
3991 (print_dir_vectors, print_dist_vectors): New.
3992 (debug_data_dependence_relation): New.
3993 (dump_data_dependence_relation): Print more details.
3994 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3995 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3996 (save_dist_v, save_dir_v, add_outer_distances,
3997 build_classic_dist_vector_1): New.
3998 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3999 Don't test for lambda_vector_lexico_pos.
4000 (same_access_functions, add_multivariate_self_dist,
4001 add_other_self_distances, dir_from_dist): New.
4002 (build_classic_dir_vector): Replace implementation almost identical to
4003 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4005 (subscript_dependence_tester_1): New.
4006 (subscript_dependence_tester): Handle the lexicographically negative
4007 distance vectors by recomputing the dependence relation.
4008 (compute_affine_dependence): Remove parameter loop_nest_depth.
4009 (compute_self_dependence): Don't call compute_subscript_distance.
4010 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4011 Add a parameter for the loop_nest.
4012 (find_loop_nest_1, find_loop_nest): New.
4013 (compute_data_dependences_for_loop): Compute the loop nest, and give
4014 up if the nest is not well formed.
4015 * tree-data-ref.h (loop_p): New.
4016 (struct data_dependence_relation): Replace size_vect field with
4017 loop_nest, a vec of loops.
4018 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4019 (DDR_LOOP_NEST): New.
4020 (print_dir_vectors, print_dist_vectors,
4021 debug_data_dependence_relation): Declared.
4022 (index_in_loop_nest): New.
4023 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4024 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4027 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4029 * simplify-rtx.c (simplify_relational_operation): Call
4030 simplify_relational_operation_1 even if mode is VOIDmode.
4032 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4034 PR tree-optimization/26804
4035 * tree.h (DECL_CALL_CLOBBERED): New macro.
4036 (tree_decl_common): Add call_clobbered_flag.
4037 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4038 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4039 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4040 (mark_non_addressable): Ditto.
4041 * tree-ssa.c (verify_call_clobbered): New function.
4042 (verify_alias_info): Use it.
4043 * tree-pass.h (pass_reset_cc_flags): New prototype.
4044 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4045 (reset_cc_flags): New function.
4046 * passes.c (init_optimization_passes): Call reset_cc_flags after
4047 initializing referenced_vars.
4049 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4050 Roger Sayle <roger@eyesopen.com>
4053 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4054 to 1.0 for non-real operands. Implement A / A optimization for
4057 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4059 * config/i386/i386.c (size_cost): Correct the comment for
4060 cost of storing fp registers.
4061 (i386_cost): Likewise.
4062 (i486_cost): Likewise.
4063 (pentium_cost): Likewise.
4064 (pentiumpro_cost): Likewise.
4065 (k6_cost): Likewise.
4066 (athlon_cost): Likewise.
4067 (k8_cost): Likewise.
4068 (pentium4_cost): Likewise.
4069 (nocona_cost): Likewise.
4070 (generic64_cost): Likewise.
4071 (generic32_cost): Likewise.
4073 2006-03-24 Denis Chertykov <denisc@overta.ru>
4075 * config/avr/avr-protos.h (extra_constraint): Delete.
4076 (extra_constraint_Q): New declaration.
4077 * config/avr/constraints.md: New file.
4078 * config/avr/avr.md: Include it.
4079 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4080 (TMP_REGNO, ZERO_REGNO): Likewise.
4081 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4082 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4083 (extra_constraint): Delete.
4084 (extra_constraint_Q): Test for memory constraint 'Q'.
4085 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4086 (REG_CLASS_FROM_LETTER): Delete.
4087 (CONST_OK_FOR_LETTER_P): Delete.
4088 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4089 (EXTRA_CONSTRAINT): Delete.
4090 (TMP_REGNO): Delete.
4091 (ZERO_REGNO): Delete.
4093 2006-03-24 Jeff Law <law@redhat.com>
4095 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4096 directly. Call mark_new_vars_to_rename slightly earlier.
4098 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4100 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4102 (gen_compile_unit_die): Use new language types for Objective-C and
4104 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4105 DW_LANG_C_plus_plus.
4108 * config/t-darwin (crt3.o): Work around bug 26840.
4109 * config/darwin-crt3.c: Rewrite.
4110 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4112 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4114 * doc/invoke.texi: Document -femit-class-debug-always
4115 * common.opt: Add -femit-class-debug-always.
4117 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4119 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4120 index and base register.
4121 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4122 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4123 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4124 REGNO_OK_FOR_INDEX_P.
4125 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4127 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4128 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4129 REG_OK_FOR_BASE_P): Definitions removed.
4131 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4134 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4135 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4136 set yet or weren't marked as local yet.
4138 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4140 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4143 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4145 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4146 (rs6000_legitimate_small_data_p): Delete.
4147 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4148 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4149 and make static. Add forward declaration. Update uses.
4150 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4151 of offsettable_memref_p.
4152 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4153 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4155 2006-03-24 Jeff Law <law@redhat.com>
4157 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4158 around bug in immediate-use iterator.
4160 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4163 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4164 or __LITTLE_ENDIAN__.
4166 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4168 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4169 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4170 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4171 * config/sh/sh.opt (mdiv=): Amend description.
4172 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4173 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4174 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4175 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4176 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4177 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4178 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4179 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4180 TARGET_DIVIDE_CALL_FP.
4182 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4184 * haifa-sched.c (choose_ready): Fix type of the local variable.
4185 Move local variables. Add comment.
4186 (check_reg_live): Change signature. Make callable from debugger.
4187 * sched-int.h (check_reg_live): Update signature.
4188 * sched-ebb.c (check_reg_live): Update parameters.
4189 * sched-rgn.c (check_reg_live): Ditto.
4190 (region_head_or_leaf_p): Check pointer before dereferencing.
4191 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4192 before reload on optimization levels below 1.
4194 2006-03-23 Richard Henderson <rth@redhat.com>
4196 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4200 * config/alpha/predicates.md (local_symbolic_operand): Reject
4203 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4206 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4207 expressions which have overflowed constants.
4209 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4211 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4213 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4215 * cfgloopmanip.c (create_loop_notes): Removed.
4216 * final.c (final_scan_insn): Do not handle loop notes.
4217 * jump.c (squeeze_notes): Ditto.
4218 * cfglayout.c (skip_insns_after_block,
4219 duplicate_insn_chain): Ditto.
4220 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4222 * cfgloop.h (create_loop_notes): Declaration removed.
4224 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4226 * varasm.c (output_constant_pool): Restore fnname and fndecl
4228 (assemble_start_function): Adjust call accordingly.
4229 (assemble_end_function): Likewise.
4231 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4234 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4237 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4239 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4242 * system.h (ICE_EXIT_CODE): New macro.
4243 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4244 (diagnostic_action_after_output): Likewise.
4245 * gcc.c (fatal_ice): New function.
4246 (execute): Use it instead of fatal.
4247 (fancy_abort): Likewise.
4248 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4250 2006-03-22 Jeff Law <law@redhat.com>
4252 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4253 iv_analyze_result returning false.
4255 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4257 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4259 2006-03-22 Richard Henderson <rth@redhat.com>
4262 * except.c (duplicate_eh_regions_0): New.
4263 (duplicate_eh_region_1): Duplicate the children of the node as
4264 well as the node itself. Link them up properly.
4265 (duplicate_eh_region_2): Merge into ...
4266 (duplicate_eh_regions): ... here. Take copy_region argument, and
4267 copy only a sub-tree if asked. Simplify copying and fixup.
4268 (eh_region_outer_p): New.
4269 * except.h (duplicate_eh_regions): Update decl.
4270 (eh_region_outer_p): Declare.
4271 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4272 (lower_omp_master): Likewise.
4273 (lower_omp_ordered): Likewise.
4274 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4275 (move_stmt_r): Use it to remap labels. Handle recursion vs
4276 remap_decls_p properly.
4277 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4278 (find_outermost_region_in_block): New.
4279 (new_label_mapper): New.
4280 (move_sese_region_to_fn): Copy eh information to the new function
4282 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4284 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4287 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4289 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4290 into shared libraries.
4292 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4294 * doc/md.texi: Refer to i386/constraints.md instead of
4296 * config/i386/constraints.md: New file, extracted from...
4297 * config/i386/predicates.md: ...here.
4298 * config/i386/i386.md: Include constraints.md.
4300 2006-03-21 Jason Merrill <jason@redhat.com>
4302 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4305 * expr.c (init_block_move_fn): Force default visibility.
4306 (init_block_clear_fn): Likewise.
4307 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4308 * targhooks.c (default_external_stack_protect_fail): Likewise.
4310 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4312 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4313 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4314 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4315 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4316 (loadgp): Use mips_current_loadgp_style.
4317 (loadgp_noshared): New pattern.
4318 (sibcall_internal): Use MIPS_CALL.
4319 (sibcall_value_internal): Likewise.
4320 (sibcall_value_multiple_internal): Likewise.
4321 (call_internal): Likewise.
4322 (call_value_internal): Likewise.
4323 (call_value_multiple_internal): Likewise.
4324 (call_split): Use MIPS_CALL and add an 'S' constraint.
4325 (call_value_split): Likewise.
4326 (call_value_multiple_split): Likewise.
4327 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4328 (-mshared): New option.
4329 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4330 (mips_current_loadgp_style): Declare.
4331 * config/mips/mips.c (mips_classify_symbol): Avoid using
4332 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4333 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4334 TARGET_ABSOLUTE_ABICALLS.
4335 (override_options): Adjust comments. Improve the warning that is
4336 issued when -mabicalls and -G are used together.
4337 (mips_file_start): Remove comment.
4338 (mips_current_loadgp_style): New function.
4339 (mips_gnu_local_gp): New variable.
4340 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4342 (mips_output_function_prologue): Use mips_current_laodgp_style.
4343 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4344 the cprestore instruction.
4345 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4346 live for TARGET_ABSOLUTE_ABICALLS.
4347 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4348 (ASM_SPEC): Pass down -mshared and -mno-shared.
4349 (MIPS_CALL): New macro.
4350 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4352 * doc/invoke.texi (-mabicalls): Update documentation.
4353 (-mshared): Document.
4355 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4357 * config/ia64/unwind-hpux.c: New file.
4358 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4360 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4363 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4365 2006-03-21 Jeff Law <law@redhat.com>
4367 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4368 type conversions of a VR_VARYING source to a wider type.
4370 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4372 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4373 tm_file on Solaris 10 and later.
4374 (sparc64-*-solaris2*): Likewise.
4375 (sparc-*-solaris2*): Likewise.
4376 * config/sol26.h: Rename to config/sol2-6.h.
4377 * config/sol2-10.h: New file.
4379 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4382 * tree-ssa-pre.c (create_component_ref_by_pieces):
4385 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4388 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4389 return it immediately.
4391 2006-03-21 Michael Matz <matz@suse.de>
4393 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4395 (remove_arc, add_arc): Update num_out_arcs member.
4396 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4398 (cache_presence): New function.
4399 (compare_states_for_equiv): New function.
4400 (state_is_differed): Don't take number of outargs, adjust callers.
4401 Use new invariant for speeding up.
4402 (init_equiv_class): Create initial classes based on sorted
4404 (partition_equiv_class): Don't track out_arcs_num.
4405 (evaluate_equiv_classes): Call cache_presence on all states and
4408 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4410 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4411 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4412 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4413 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4415 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4416 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4417 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4418 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4419 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4421 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4422 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4423 (REGNO_REG_CLASS): ARGP is in PREGS.
4424 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4426 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4427 to deal with those addresses.
4428 * addresses.h: New file.
4429 * caller-save.c: Include "addresses.h".
4430 (init_caller_save): Use new base_reg_class function.
4431 * rtl-factoring.c: Include "addresses.h".
4432 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4433 * recog.c: Include "addresses.h".
4434 (preprocess_constraints): Use new base_reg_class function.
4435 * regrename.c: Include "addresses.h".
4436 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4437 functions. Keep track of a new var INDEX_CODE to compute valid
4439 (replace_oldest_value_addr): Likewise.
4440 (replace_oldest_value_mem): Use base_reg_class.
4441 * reload.c: Include "addresses.h".
4442 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4443 (find_reloads): Use new base_reg_class function.
4444 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4445 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4446 all callers and prototype changed.
4447 * reload1.c: Include "addresses.h".
4448 (maybe_fix_stack_asms): Use base_reg_class.
4449 * regclass.c: Include "addresses.h".
4450 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4451 (init_reg_autoinc): Use new base_reg_class function.
4452 (record_reg_classes): Likewise.
4453 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4454 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4455 Use new args to compute necessary class.
4457 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4458 regrename.o, rtl-factoring.o): Update dependencies.
4459 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4460 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4461 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4462 REG_OK_FOR_INDEX_P): Delete documentation.
4464 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4466 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4467 from V7 to V9 for Solaris 7 and above.
4469 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4471 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4472 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4473 argument pointers may not alias any other storage.
4474 * common.opt: Define option -fargument-noalias-anything.
4475 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4476 alias semantics is specified by flag_argument_noalias > 2.
4478 2006-03-20 Jeff Law <law@redhat.com>
4480 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4481 (pass_phi_only_cprop): Declare.
4482 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4484 * tree-ssa-dom.c (degenerate_phi_result): New function.
4485 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4486 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4487 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4488 (eliminate_degenerate_phis): Likewise.
4489 (pass_phi_only_cprop): New pass descriptor.
4490 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4491 support code. Callers updated.
4492 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4493 (store_copy_prop): Likewise.
4494 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4496 2006-03-20 Jason Merrill <jason@redhat.com>
4499 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4500 (push_visibility, pop_visibility): Likewise.
4501 * c-pragma.h: Declare them.
4503 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4505 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4507 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4508 parameter and use get_ebb_head_tail.
4509 (sh_md_init_global): Adjust uses of find_regmode_weight.
4511 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4513 * function.h (struct function) <x_tail_recursion_reentry>:
4514 Rename to x_stack_check_probe_note.
4515 (tail_recursion_reentry): Rename to stack_check_probe_note.
4516 * function.c: Replace tail_recursion_reentry with
4517 stack_check_probe_note everywhere.
4518 (expand_function_start): Only emit a note for
4519 stack_check_probe_note with -fstack-protect.
4520 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4522 * emit-rtl.c (remove_unnecessary_notes): Remove.
4523 (pass_remove_unnecessary_notes): Remove.
4524 * rtl.h (remove_unnecessary_notes): Remove prototype.
4525 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4526 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4527 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4529 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4532 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4533 (valid_in_set): Handle ARRAY_REF.
4534 Change "if min_variant or VH" to asserts.
4535 (create_component_ref_by_pieces): Handle ARRAY_REF.
4536 (create_expression_by_pieces): Likewise.
4537 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4539 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4541 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4542 is operand of switch, not str[0].
4544 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4546 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4547 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4549 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4551 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4552 end of insn_extra_address_constraint declaration.
4554 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4556 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4557 (no-sum-in-toc): Same.
4558 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4560 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4561 NO_FP_IN_TOC for -fPIC instead of mask.
4563 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4564 (BOOT_LDFLAGS): Delete.
4566 * config/rs6000/t-aix52: Same.
4568 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4569 (stmsi[345678]_power): New.
4571 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4573 * config/ia64/ia64.opt: Add empty line to end of file.
4575 2006-03-17 Richard Guenther <rguenther@suse.de>
4578 * builtins.c (get_pointer_alignment): For component style references
4579 adjust alignment to the component type alignment. Make sure
4580 to adjust alignment for component access of constants.
4582 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4584 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4587 2006-03-17 Paul Brook <paul@codesourcery.com>
4589 * doc/install.texi: Docuemnt --with-mode.
4590 * config.gcc: Add --with-mode for arm*-*-*.
4591 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4593 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4595 * sh.c (max_labelno_before_reorg): New variable.
4596 (sh_reorg): Initialize it.
4597 (find_barrier): Check max_labelno_before_reorg before using
4598 label_to_alignment. Take length of explicit alignment insns
4599 into account. When seeing a UNSPECV_CONST_END, return it.
4601 * sh.c (fixup_mova): Set mode of affected label to QImode.
4602 (untangle_mova): New function.
4603 (find_barrier): Use it. Check mode of label before decrementing
4605 (sh_reorg): Likewise.
4606 Set mode of all insns back to VOIDmode.
4608 * sh.c (MOVA_LABELREF): New macro.
4609 (mova_p, fixup_mova, sh_reorg): Use it.
4610 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4611 ADDR_DIFF_VEC matches mova.
4613 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4615 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4616 with ATTRIBUTE_UNUSED.
4618 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4620 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4621 pointer, instead of assuming it is possible to derive the
4622 correct args size from a call insn.
4624 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4626 * rtl.h (CONST_INT_P): Define.
4627 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4628 instead of GET_CODE(x) == CONST_INT.
4629 (vax_rtx_costs): Likewise.
4630 (vax_output_int_move): Likewise.
4631 (vax_output_int_add): Likewise.
4632 (legitimate_constant_address_p): Likewise.
4633 (index_term_p): Likewise.
4634 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4635 * config/vax/vax.md (and<mode>3): Likewise.
4636 (ashrsi3): Likewise.
4638 (movstricthi): Likewise.
4639 (movstrictqi): Likewise.
4640 (rotrsi3): Likewise.
4641 (five unnamed insns): Likewise.
4643 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4645 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4646 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4647 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4648 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4649 Pass to ASM_OUTPUT_DWARF_OFFSET.
4650 * dwarf2out.c (debug_frame_section): New.
4651 (output_call_frame_info): Use debug_frame_section. Pass it to
4652 dw2_asm_output_offset.
4653 (output_die): Pass appropriate section to dw2_asm_output_offset.
4654 (output_compilation_unit_header): Likewise.
4655 (output_pubnames): Likewise.
4656 (output_aranges): Likewise.
4657 (enum dw_val_class): Break dw_val_class_lbl_offset into
4658 dw_val_class_lineptr and dw_val_class_macptr.
4659 (add_AT_lbl_offset): Delete.
4660 (add_AT_lineptr): New.
4661 (add_AT_macptr): New.
4662 (AT_lbl): Expect a lineptr or macptr.
4663 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4664 (attr_checksum): Likewise.
4665 (same_dw_val_p): Likewise.
4666 (size_of_die): Likewise.
4667 (value_format): Likewise.
4668 (output_die): Likewise.
4669 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4671 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4672 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4673 * config/darwin-protos.h (darwin_file_start): New.
4674 (darwin_asm_output_dwarf_offset): New.
4675 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4676 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4678 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4679 if not EH section; simplify.
4680 (darwin_file_start): New.
4681 (darwin_asm_output_dwarf_offset): New.
4682 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4684 (DEBUG_INFO_SECTION): Likewise.
4685 (DEBUG_ABBREV_SECTION): Likewise.
4686 (DEBUG_ARANGES_SECTION): Likewise.
4687 (DEBUG_MACINFO_SECTION): Likewise.
4688 (DEBUG_LINE_SECTION): Likewise.
4689 (DEBUG_LOC_SECTION): Likewise.
4690 (DEBUG_PUBNAMES_SECTION): Likewise.
4691 (DEBUG_STR_SECTION): Likewise.
4692 (DEBUG_RANGES_SECTION): Likewise.
4693 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4694 (ASM_OUTPUT_DWARF_OFFSET): New.
4696 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4698 * config.gcc (tm_defines): Always add to previous value rather
4701 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4703 * config/mips/predicates.md (splittable_const_int_operand): New,
4704 split from move_operand.
4705 (splittable_symbolic_operand): New.
4706 (move_operand): Add commentary. Use splittable_const_int_operand.
4707 Inline mips_atomic_symbolic_constant_p.
4708 * config/mips/mips.md: Add combine splitters for handling moves
4709 of splittable_const_int_operands and splittable_symbolic_operands.
4710 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4711 (mips_split_symbol): Declare.
4712 (mips_move_integer): Declare.
4713 * config/mips/mips.c (mips_split_p): Make global.
4714 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4715 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4716 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4717 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4718 (mips_offset_within_object_p): Handle block symbols.
4719 (mips_atomic_symbolic_constant_p): Delete.
4720 (mips_cannot_force_const_mem): Return false for constants that
4721 mips_legitimize_move can handle.
4722 (mips_use_blocks_for_constant_p): New function.
4723 (mips_split_symbol): Make global.
4724 (mips_move_integer): Likewise. Add a temporary register argument.
4725 (mips_legitimize_const_move): Use splittable_const_int_operand and
4726 splittable_symbolic_operand.
4727 (mips_use_anchors_for_symbol_p): New function.
4728 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4729 (mips_split_p): Declare.
4731 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4733 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4734 (mips*-*-linux*): Likewise.
4736 2006-03-16 Roger Sayle <roger@eyesopen.com>
4737 Daniel Speyer <dspeyer@wam.umd.edu>
4740 * tree-dump.c (dump_real): New function.
4741 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4742 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4743 (tree-dump.o): Add $(REAL_H) to the dependencies.
4745 2006-03-16 Roger Sayle <roger@eyesopen.com>
4748 * real.c (real_from_string): If the mantissa is zero, don't bother
4749 parsing the exponent as the result should always be zero.
4751 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4753 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4755 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4757 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4758 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4759 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4760 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4761 ia64_sched_finish_global): New static functions to implement
4762 hooks from gcc_target.sched.
4763 (spec_check_no, max_uid, pending_data_specs): New static variables.
4764 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4765 ia64_spec_check_src_p): New static functions.
4766 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4767 (TARGET_SCHED_ADJUST_COST): Removed.
4768 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4769 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4770 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4771 TARGET_SCHED_GEN_CHECK,
4772 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4773 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4774 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4775 Fixed to handle speculation checks.
4776 (rtx_needs_barrier): Fixed to handle speculative loads and
4778 (ia64_variable_issue): Added code to count speculative loads and their
4780 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4782 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4784 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4786 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4787 (ia64_reorg): Reset stops_p to NULL after it is freed.
4788 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4789 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4790 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4792 (data_speculative, control_speculative, check_load): New attributes.
4793 (mov<mode>_advanced, mov<mode>_speculative,
4794 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4795 zero_extend<mode>di2_speculative,
4796 zero_extend<mode>di2_speculative_advanced): New patterns for
4797 data and control speculative loads.
4798 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4800 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4801 New pattern for data and control speculation checks.
4802 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4803 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4804 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4805 Auxiliary definitions for the patterns.
4806 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4807 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4809 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4811 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4812 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4813 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4814 New resource constraints.
4815 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4817 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4818 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4819 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4820 msched-in-control-spec, msched-ldc, msched-control-ldc,
4821 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4822 msched-prefer-non-control-spec-insns,
4823 msched-count-spec-in-critical-path): New flags to tune speculative
4825 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4826 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4827 msched-in-control-spec, msched-ldc, msched-control-ldc,
4828 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4829 msched-prefer-non-control-spec-insns,
4830 msched-count-spec-in-critical-path): Document new flags.
4832 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4834 * target.h (struct spec_info_def): New opaque declaration.
4835 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4836 speculate_insn, needs_block_p, gen_check,
4837 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4838 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4839 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4840 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4841 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4842 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4844 (TARGET_SCHED): Use new macros.
4845 * rtl.h (copy_DEPS_LIST_list): New prototype.
4846 * sched-int.h (struct sched_info): Change signature of new_ready field,
4847 adjust all initializations. New fields: add_remove_insn,
4848 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4849 region_head_or_leaf_p.
4850 (struct spec_info_def): New structure declaration.
4851 (spec_info_t): New typedef.
4852 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4853 recovery_block, orig_pat.
4854 (glat_start, glat_end): New variables declaraions.
4855 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4857 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4858 DETACH_LIFE_INFO, USE_GLAT.
4859 (enum SPEC_SCHED_FLAGS): New enumeration.
4860 (NOTE_NOTE_BB_P): New macro.
4861 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4862 attach_life_info, debug_spec_status, check_reg_live): New functions.
4863 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4864 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4866 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4867 * ddg.c (get_block_head_tail): Adjust all uses.
4868 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4869 (sms_sched_info): Initialize new fields.
4870 (contributes_to_priority): Removed.
4871 * haifa-sched.c (params.h): New include.
4872 (get_block_head_tail): Adjust all uses.
4873 (ISSUE_POINTS): New macro.
4874 (glat_start, glat_end): New global variables.
4875 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4876 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4877 old_last_basic_block, before_recovery, current_sched_info_var,
4878 rgn_n_insns, luid): New static variables.
4879 (insn_cost1): New function. Move logic from insn_cost to here.
4880 (find_insn_reg_weight1): New function. Move logic from
4881 find_insn_reg_weight to here.
4882 (reemit_notes, move_insn, max_issue): Change signature.
4883 (move_insn1): Removed.
4884 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4885 extend_bb): New static functions to support extension of scheduler's
4887 (generate_recovery_code, process_insn_depend_be_in_spec,
4888 begin_speculative_block, add_to_speculative_block,
4889 init_before_recovery, create_recovery_block, create_check_block_twin,
4890 fix_recovery_deps): New static functions to support
4891 generation of recovery code.
4892 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4893 restore_bb_notes, move_block_after_check, move_succs): New static
4894 functions to support ebb scheduling.
4895 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4896 functions to support handling of register live information.
4897 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4898 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4899 add_jump_dependencies): New static functions.
4900 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4901 consistancy checking.
4902 (debug_spec_status): New function to call from debugger.
4903 (priority): Added code to handle speculation checks.
4904 (rank_for_schedule): Added code to distinguish speculative instructions.
4905 (schedule_insn): Added code to handle speculation checks.
4906 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4907 Fixed to handle ebbs.
4908 (move_insn): Added code to handle ebb scheduling.
4909 (max_issue): Added code to use ISSUE_POINTS of instructions.
4910 (choose_ready): Added code to choose between speculative and
4911 non-speculative instructions.
4912 (schedule_block): Added code to handle ebb scheduling and scheduling of
4913 speculative instructions.
4914 (sched_init): Initialize new variables.
4915 (sched_finish): Free new variables. Print statistics.
4916 (try_ready): Added code to handle speculative instructions.
4917 * lists.c (copy_DEPS_LIST_list): New function.
4918 * sched-deps.c (extend_dependency_caches): New function. Move logic
4919 from create_dependency_caches to here.
4920 (get_dep_weak, ds_merge): Make global.
4921 * genattr.c (main): Code to output prototype for
4922 dfa_clear_single_insn_cache.
4923 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4924 (output_dfa_clean_insn_cache_func): Code to output
4925 dfa_clear_single_insn_cache function.
4926 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4928 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4930 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4931 New static variables.
4932 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4933 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4935 (ebb_sched_info): Initialize new fields.
4936 (get_block_head_tail): Adjust all uses.
4937 (compute_jump_reg_dependencies): Fixed to use glat_start.
4938 (schedule_ebb): Code to remove unreachable last block.
4939 (schedule_ebbs): Added code to update register live information.
4940 * sched-rgn.c (region_sched_info): Initialize new fields.
4941 (get_block_head_tail): Adjust all uses.
4942 (last_was_jump): Removed. Adjust users.
4943 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4944 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4945 Implement new hooks.
4946 (check_dead_notes1): New static function.
4947 (struct region): New fields: dont_calc_deps, has_real_ebb.
4948 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4949 (BB_TO_BLOCK): Fixed to handle EBBs.
4950 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4951 (ebb_head): New static variable.
4952 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4953 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4955 (compute_dom_prob_ps): New assertion.
4956 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4957 global_live_at_start.
4958 (init_ready_list): New assertions.
4959 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4960 (new_ready): Add support for BEGIN_CONTROL speculation.
4961 (schedule_insns): Fixed code that updates register live information
4963 (schedule_region): Fixed to handle EBBs.
4964 (init_regions): Use extend_regions and check_dead_notes1.
4965 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4966 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4967 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4968 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4969 TARGET_SCHED_GEN_CHECK,
4970 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4971 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4972 * doc/invoke.texi (max-sched-insn-conflict-delay,
4973 sched-spec-prob-cutoff): Document.
4975 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4977 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4978 inter_tick, queue_index.
4979 (struct sched_info): Change signature of init_ready_list field.
4980 Adjust all initializations.
4981 (RESOLVED_DEPS): New access macro.
4982 (ready_add): Remove prototype.
4983 (try_ready): Add prototype.
4984 * sched-rgn.c (init_ready_list): Use try_ready.
4985 (schedule_region): Initialize
4986 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4987 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4988 (init_ready_list): Use try_ready.
4989 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4990 * lists.c (remove_list_elem): Remove `static'.
4991 (remove_free_INSN_LIST_elem): New function.
4992 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4993 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4994 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4996 (readyp): New variable.
4997 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4998 change_queue_index, resolve_dep): New static functions.
4999 (try_ready): New function. Adjust callers in sched-rgn.c and
5000 sched-ebb.c to use it instead of ready_add.
5001 (clock_var): Move at the begining of file.
5002 (rank_for_schedule): Fix typo.
5003 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5004 (ready_lastpos): Enforce assertion.
5005 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5007 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5008 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5009 (queue_to_ready): Use free_INSN_LIST_list.
5010 (early_queue_to_ready): Fix typo.
5011 (schedule_block): Init readyp. Move init_ready_list call after the
5012 initialization of clock_var. Fix error in rejecting insn by
5013 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5014 that previously corrected INSN_TICKs. Add code for handling
5016 (set_priorities): Fix typo.
5017 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5018 Clarify comment and code that keeps current_sched_info->next_tail
5021 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5023 * sched-rgn.c (extend_rgns): New static function.
5024 (find_rgns): Use it.
5025 (gather_region_statistics, print_region_statistics): New static
5027 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5028 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5030 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5031 Andrey Belevantsev <abel@ispras.ru>
5033 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5034 * lists.c (unused_deps_list): New variable.
5035 (free_list): Add assertions to verify the proper distinguishing
5036 between INSN_LISTs and DEPS_LISTs.
5037 (find_list_elem, remove_list_elem, remove_list_node): New static
5039 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5040 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5041 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5042 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5044 (free_INSN_LIST_node): Likewise.
5045 * modulo-sched.c (current_sched_info): Initialize flags field.
5046 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5047 * rtl.def (DEPS_LIST): Define.
5048 * rtl.h: Declare new functions from lists.c.
5049 * sched-deps.c (spec_dependency_cache): New static variable.
5050 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5051 (add_dependence): Change return type to void. Move the logic to ...
5052 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5053 (delete_all_dependences): Add comment about forward_dependency_cache.
5054 Handle spec_dependency_cache. Handle DEPS_LISTs.
5055 (fixup_sched_groups): Clarify the change of priority of output
5056 and anti dependencies.
5057 (sched_analyze_2): Adjust add_dependence calls to create data
5058 speculative dependence.
5059 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5060 Adjust all callers. Handle DEPS_LISTS.
5061 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5062 presence of speculation.
5063 (init_dependency_caches, free_dependency_caches):
5064 Handle spec_dependency_cache.
5065 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5066 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5067 New static functions.
5068 (add_or_update_back_dep, add_or_update_back_forw_dep,
5069 add_back_forw_dep, delete_back_forw_dep): New functions.
5070 * sched-int.h (ds_t, dw_t): New typedefs.
5071 (struct sched_info): Add new field flags.
5072 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5073 Prototype new sched-deps.c functions.
5074 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5075 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5076 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5077 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5078 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5079 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5081 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5083 * sched-rgn.c (current_sched_info): Initialize flags field.
5084 (schedule_insns): Initialize current_sched_info before the sched_init
5086 * sched-ebb.c (current_sched_info): Initialize flags field.
5087 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5088 Call add_or_update_back_dep instead of add_dependence.
5089 Create control speculative dependencies.
5090 (schedule_insns): Initialize current_sched_info before the sched_init
5093 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5095 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5097 (sh_fallback_frame_state): Likewise.
5099 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5101 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5102 Do switch on default_use_cxa_atexit.
5103 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5104 * config/darwin-crt3.o: New.
5105 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5106 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5107 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5109 * config/rs6000/t-darwin: Move crt2.o building to here.
5110 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5111 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5114 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5116 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5117 from '! xxx' to '!xxx' for coding-style conformance.
5118 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5119 (EXTRA_CONSTRAINT): Likewise.
5120 * config/vax/vax.md (four unnamed insns): Likewise.
5122 2006-03-15 Paul Brook <paul@codesourcery.com>
5124 * config/arm/arm.c (minipool_pad): New.
5125 (add_minipool_forward_ref): Include pool alignment padding in address
5127 (push_minipool_fix): Set minipool_pad.
5128 (minipool_pad): Ditto.
5130 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5132 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5133 instead of GET_CODE() == MEM and REG_P() instead of
5135 (print_operand_address): Likewise.
5136 (vax_address_cost): Likewise.
5137 (vax_rtx_costs): Likewise.
5138 (vax_notice_update_cc): Likewise.
5139 (vax_output_int_add): Likewise.
5140 (INDEX_REGISTER_P): Likewise.
5141 (BASE_REGISTER_P): Likewise.
5142 (nonindexed_address_p): Likewise.
5143 (vax_mode_dependent_address_p): Likewise.
5144 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5145 (PRINT_OPERAND): Likewise.
5146 * config/vax/vax.md (ashlsi3): Likewise.
5147 (ashlsi3): Likewise.
5148 (some more unnamed insns): Likewise.
5150 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5152 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5153 iterator-style macro.
5154 (mark_control_dependent_edges_necessary): Update the use of
5155 EXECUTE_IF_CONTROL_DEPENDENT.
5157 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5159 * config/sh/predicates.md (cache_address_operand): Special.
5160 (ua_address_operand): Likewise.
5162 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5164 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5166 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5168 2006-03-15 Andreas Schwab <schwab@suse.de>
5170 * gensupport.c (identify_predicable_attribute): Don't free p_false
5171 when it is still in use.
5173 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5175 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5176 the default setting here.
5178 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5180 * tree-pass.h (pass_cfg): Remove.
5181 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5182 * passes.c (pass_cfg): Don't run it.
5184 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5186 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5187 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5189 (stack_regs_mentioned): Update the uses of
5190 stack_regs_mentioned_data. Don't access the array beyond its
5192 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5193 Don't include gt-reg-stack.h.
5195 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5196 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5198 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5201 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5204 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5206 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5208 2006-03-14 Richard Guenther <rguenther@suse.de>
5210 PR tree-optimization/26672
5211 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5214 2006-03-14 Richard Guenther <rguenther@suse.de>
5216 PR tree-optimization/26667
5217 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5218 node for the callees. Always allow inlining if it will shrink
5221 2006-03-14 Richard Guenther <rguenther@suse.de>
5224 * builtins.c (get_pointer_alignment): Prefer alignment
5225 information from decls over that from types.
5227 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5230 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5232 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5234 * config/rs6000/rs6000.opt (mdlmzb): New option.
5235 (msched-prolog, msched-epilog): Use Var not Mask.
5236 * doc/invoke.texi (-mdlmzb): Document.
5237 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5239 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5240 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5242 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5244 PR rtl-optimization/25739
5245 * bt-load.c (augment_live_range): Free tos pointer.
5247 * gensupport.c (identify_predicable_attribute): Free
5249 * gcov.c (create_file_names): Free name pointer.
5251 2006-03-13 Roger Sayle <roger@eyesopen.com>
5254 * stmt.c (emit_case_nodes): Handle the case where the index is a
5255 CONST_INT, where the comparison mode is specified by the index type.
5257 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5259 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5262 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5264 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5265 (*branch_fp_inverted): Likewise.
5267 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5270 * omp-low.c (expand_omp_for_generic): Mark istart0
5271 and iend0 as addressable.
5273 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5275 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5277 2006-03-13 Jeff Law <law@redhat.com>
5279 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5280 virtual operands are interesting.
5281 (vrp_visit_stmt): Corresponding changes.
5283 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5285 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5287 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5288 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5289 * config/bfin/crti.S: Use it instead of __PIC__.
5290 * config/bfin/crtn.S: Likewise.
5292 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5293 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5295 Lose 'G' modifier for call operand.
5296 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5297 recognize 'G' modifier.
5299 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5302 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5303 * stmt.c (expand_case): Likewise.
5305 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5307 PR rtl-optimization/26254
5308 * loop-invariant.c (seq_insns_valid_p): New function.
5309 (move_invariant_reg): Only emit new code if it is valid.
5311 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5313 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5315 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5316 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5317 (commit_one_edge_insertion): Do not look for loop notes.
5319 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5321 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5322 flag_test_coverage out of loop.
5324 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5326 * final.c (shorten_branches): Remove outdated comment, and turn
5327 the if branch that guards it to continue.
5329 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5331 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5332 * cfgloop.h (struct loop): Remove unused fields.
5334 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5336 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5337 (-dL, -fdump-rtl-loop2): Update the dump file names
5339 * doc/invoke.texi: Update dump file names.
5341 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5343 * predict.c (estimate_probability): Remove.
5344 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5345 * basic-block.h (estimate_probability): Remove prototype.
5346 * passes.c (finish_optimization_passes): Dump branch prediction or
5347 profiling heuristics to the .profile tree dump.
5348 (init_optimization_passes): Unqueue pass_branch_prob.
5350 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5352 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5354 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5355 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5357 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5359 * function.h (frame_offset_overflow): Declare.
5360 * function.c (frame_offset_overflow): New function.
5361 (assign_stack_local_1): Call it to detect that the offset overflows.
5362 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5364 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5366 * config/sh/sh.c: Include alloc-pool.h.
5367 (label_ref_list_pool): New alloc pool.
5368 (label_ref_list_t): New type for lists of labels.
5369 (struct pool_node): Make wend a label_ref_list_t.
5370 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5372 (dump_table): Likewise.
5373 (sh_reorg): Set up the alloc pool before using add_constant and
5374 dump_table, and destroy it when finishing.
5376 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5378 * config/mips/mips.c: Remove redundant comment.
5380 2006-03-10 Jason Merrill <jason@redhat.com>
5383 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5384 the target was declared 'register'.
5386 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5388 * genpreds.c (write_insn_constraint_len): Change definition of
5389 insn_constraint_len to return size_t to match the declaration.
5391 2006-03-10 DJ Delorie <dj@redhat.com>
5393 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5395 (m32c_expand_insv): Fix test for an AND mask.
5397 2006-03-10 Richard Guenther <rguenther@suse.de>
5400 * builtins.c (get_pointer_alignment): Handle component
5401 references for field alignment.
5403 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5405 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5406 when building with libgloss.
5407 (sh*elf): Implement --without-fp option.
5408 (sh64-superh-linux*): Don't multilib.
5410 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5412 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5414 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5416 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5417 Set it when one of the replacement functions returned true.
5418 Return TODO_cleanup_cfg if cfgchanged is true.
5419 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5421 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5423 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5424 instead of gen_lowpart.
5426 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5428 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5430 (mips_output_order_conditional_branch): Declare.
5431 * config/mips/mips.h (MIPS_BRANCH): New macro.
5432 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5433 for the comparison. Use gen_condjump.
5434 (mips_output_conditional_branch): Rework interface to take the
5435 asm templates for a direct branch and the inverse of a direct branch.
5436 (mips_output_order_conditional_branch): New function.
5437 (mips_builtin_branch_and_move): New function.
5438 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5439 branch condition. Use gen_single_cc as the condition for
5440 __builtin_mips_upper_* or __builtin_mips_lower_*.
5441 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5442 Use VOIDmode for the branch condition.
5443 * config/mips/predicates.md (order_operator): New predicate.
5444 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5445 (branch_fp): Rename to...
5446 (*branch_fp): ...this. Remove mode from comparison operator.
5447 Use new mips_output_conditional_branch interface.
5448 (branch_fp_inverted): Rename to...
5449 (*branch_fp_inverted): ...this and update as for *branch_fp.
5450 (*branch_zero<mode>): Rename to...
5451 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5452 Use mips_output_order_conditional_branch. Only accept ordered
5454 (*branch_zero<mode>_inverted): Rename to...
5455 (*branch_order<mode>_inverted): ...this and update as for
5456 *branch_order<mode>.
5457 (*branch_equality<mode>): Accept zero as the second operand to
5458 the equality operator. Use the new mips_output_conditional_branch
5460 (*branch_equality<mode>_inverted): Likewise.
5461 (condjump): New expander.
5462 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5464 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5465 (bc1any2t, bc1any2f): Likewise.
5466 (single_cc): New expander.
5467 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5469 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5471 * doc/md.texi: Update documentation of MIPS constraints.
5472 * config/mips/constraints.md: New file.
5473 * config/mips/mips.md: Include it.
5474 * config/mips/mips.c (mips_char_to_class): Delete.
5475 (override_options): Don't initialize mips_char_to_class.
5476 * config/mips/mips.h (mips_char_to_class): Delete.
5477 (REG_CLASS_FROM_LETTER): Delete.
5478 (CONST_OK_FOR_LETTER_P): Delete.
5479 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5480 (EXTRA_CONSTRAINT_Y): Delete.
5481 (EXTRA_CONSTRAINT_STR): Delete.
5482 (CONSTRAINT_LEN): Delete.
5483 (EXTRA_MEMORY_CONSTRAINT): Delete.
5485 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5487 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5488 original fn's eh regions.
5490 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5492 * fold-const.c (build_range_check): Make sure to use a valid type to
5493 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5496 (range_predecessor): New static function.
5497 (range_successor): Likewise.
5498 (merge_ranges): Use them to compute predecessors and successors of
5501 2006-03-09 Roger Sayle <roger@eyesopen.com>
5504 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5505 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5507 2006-03-08 DJ Delorie <dj@redhat.com>
5509 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5510 (addpsi3): Expand to include memory operands. Remove
5511 reload-specific splits.
5512 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5513 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5514 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5515 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5516 (shift1_qi, shift1_hi, insv): New.
5517 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5518 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5519 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5521 * config/m32c/m32c-protos.h: Update as needed.
5522 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5523 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5524 Fail for unrecognized R* constraints.
5525 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5526 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5527 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5529 (m32c_init_libfuncs): New.
5530 (m32c_legitimate_address_p): Add debug wrapper.
5531 (m32c_rtx_costs): New.
5532 (m32c_address_cost): New.
5533 (conversions): Add 'B' prefix.
5534 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5535 operands, or word regnames for QI operands. 'B' prints bit
5537 (m32c_expand_setmemhi): New.
5538 (m32c_expand_movmemhi): New.
5539 (m32c_expand_movstr): New.
5540 (m32c_expand_cmpstr): New.
5541 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5542 (m32c_expand_neg_mulpsi3): Handle non-ints.
5543 (m32c_cmp_flg_0): New.
5544 (m32c_expand_movcc): New.
5545 (m32c_expand_insv): New.
5546 (m32c_scc_pattern): New.
5547 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5548 a0/a1 out of SIregs.
5549 (STORE_FLAG_VALUE): New.
5550 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5553 * config/m32c/mov.md: Make constraints more liberal.
5554 (zero_extendqihi2): Optimize r0/r1 case.
5555 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5556 * config/m32c/predicates.md (m32c_any_operand): New.
5557 (m32c_nonimmediate_operand): New.
5558 (m32c_hl_operand): New.
5559 (m32c_r3_operand): New.
5562 (memsym_operand): New.
5563 (memimmed_operand): New.
5564 (a_qi_operand): New.
5565 (m32c_eqne_operator): New.
5566 (m32c_1bit8_operand): New.
5567 (m32c_1bit16_operand): New.
5568 (m32c_1mask8_operand): New.
5569 (m32c_1mask16_operand): New.
5570 * config/m32c/blkmov.md: New file.
5571 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5573 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5575 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5576 unsigned to fix signed/unsigned comparison issue in
5577 DWARF2_FRAME_REG_OUT.
5578 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5579 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5581 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5582 of ptr into the ENABLE_CHECKING section.
5584 2006-03-08 Jeff Law <law@redhat.com>
5586 * tree-vrp.c (infer_value_range): Only count pointer uses
5587 and dereferences if -fdelete-null-pointer-checks is enabled.
5589 * tree-vrp.c (find_assert_locations): Infer value ranges for
5590 single use pointers, but do not create ASSERT_EXPRs for them.
5591 When a non-null range is inferred for a pointer, backwards
5592 propagate that range to other equivalent pointers through the
5595 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5598 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5599 language hook targets.
5600 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5601 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5602 if language hook targets were missing.
5604 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5606 * tree-ssa-opfinalize.h: Removed.
5607 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5609 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5610 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5611 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5612 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5613 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5614 finalize_ssa_v_must_def_ops): New.
5616 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5618 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5621 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5623 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5625 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5626 addresses with offsets; reorganize.
5628 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5629 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5630 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5632 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5635 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5637 2006-03-08 Ben Elliston <bje@au.ibm.com>
5639 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5641 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5644 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5647 2006-03-07 Richard Guenther <rguenther@suse.de>
5649 PR tree-optimization/26587
5650 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5652 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5654 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5656 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5658 * hooks.c (hook_bool_mode_rtx_true): New function.
5659 * hooks.h (hook_bool_mode_rtx_true): Declare.
5660 * toplev.c (compile_file): Call output_shared_constant_pool.
5661 * varasm.c (shared_constant_pool): New variable.
5662 (assemble_start_function, assemble_end_function): Remove arguments
5663 from call to output_constant_pool.
5664 (create_constant_pool): New function, split out from...
5665 (init_varasm_status): ...here.
5666 (force_const_mem): Choose between the shared and per-function constant
5667 pools. Set current_function_uses_const_pool when reusing old entries
5668 as well as when creating new ones.
5669 (mark_constant): Ignore data argument.
5670 (mark_constants): Remove pool argument.
5671 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5672 to decide whether the function uses a constant pool.
5673 (output_constant_pool_contents): New function, split out from...
5674 (output_constant_pool): ...here.
5675 (output_shared_constant_pool): New function.
5676 (init_varasm_once): Initialize shared_constant_pool.
5677 * output.h (output_constant_pool): Delete.
5678 (output_shared_constant_pool): Declare.
5679 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5680 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5682 2006-03-06 Nick Clifton <nickc@redhat.com>
5684 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5685 flag_strength_reduce.
5687 2006-03-06 Ben Elliston <bje@au.ibm.com>
5689 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5690 x86_64-*-linux* configurations.
5692 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5693 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5695 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5697 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5699 * basic-block.h: Remove the extern for
5700 rediscover_loops_after_threading.
5702 * cfgloop.c (cancel_loop): Make it static.
5703 * cfgloop.h: Remove the prototype for cancel_loop.
5705 * flow.c (recompute_reg_usage): Make it static.
5706 * rtl.h: Remove the prototype for recompute_reg_usage.
5708 * function.c (use_return_register): Make it static.
5709 * function.h: Remove the prototype.
5711 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5713 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5715 * recog.h: Remove the prototype for
5716 validate_change_maybe_volatile.
5718 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5720 * rtlanal.c (replace_reg): Remove.
5721 * rtl.h: Remove the prototype for replace_reg.
5723 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5725 * regclass.c (reg_scan_update): Remove.
5726 (reg_scan_mark_refs): Remove the last argument.
5727 * rtl.h: Remove the prototype for reg_scan_update.
5729 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5731 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5732 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5733 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5734 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5735 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5736 loop-invariant.c, omp-low.c, opts.c, passes.c,
5737 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5738 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5739 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5740 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5741 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5742 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5744 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5746 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5747 * dwarf2out.h: Remove the prototype for
5748 dwarf2out_add_library_unit_info.
5750 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5752 * tree.c (add_var_to_bind_expr): Remove.
5753 * tree.h: Remove the prototype for add_var_to_bind_expr.
5755 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5757 * regclass.c (n_non_fixed_regs): Remove.
5758 (init_reg_sets_1, globalize_reg): Remove all uses of
5760 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5762 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5764 * rtlanal.c (insns_safe_to_move_p): Remove.
5765 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5767 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5769 * expmed.c (expand_mult_add): Remove.
5770 * expr.h: Remove the prototype for expand_mult_add.
5772 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5774 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5775 and REG_SAVED_VAL_EXP constants.
5776 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5777 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5778 Handle regs stored by value.
5779 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5780 (execute_cfa_program): Handle DW_CFA_val_offset,
5781 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5782 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5783 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5784 (uw_install_context_1): Handle target regs stored by value.
5786 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5788 * tree-sra.c (tree_sra): Return todoflags;
5789 (generate_one_element): Set TODO_update_smt_usage if needed.
5790 (pass_sra): Remove TODO_update_smt_usage.
5791 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5793 (tree_ssa_forward_propagate_single_use_vars): Return
5794 TODO_update_smt_usage if we need to update SMT usage.
5795 (pass_forwprop): Remove TODO_update_smt_usage.
5797 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5799 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5800 (correct_use_link): Remove reference to get_stmt_operands.
5801 (update_stmt_operands): Likewise.
5802 (get_modify_expr_operands): New function factored out of
5803 parse_ssa_operands and get_expr_operands.
5804 Try to create V_MUST_DEFs for LHS by default.
5805 (get_expr_operands) <case MODIFY_EXPR>: Call
5806 get_modify_expr_operands.
5807 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5808 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5809 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5810 get_modify_expr_operands.
5812 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5814 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5815 * tree-flow.h: Remove the prototype for
5816 referenced_var_lookup_if_exists.
5818 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5820 PR rtl-optimization/26345
5822 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5824 2006-03-03 Roger Sayle <roger@eyesopen.com>
5826 PR tree-optimization/26524
5827 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5828 fold_convert to create a constant of the appropriate type.
5830 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5832 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5833 SYMBOL_REF_IN_BLOCK_P.
5834 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5835 of SYMBOL_FLAG_IN_BLOCK.
5836 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5837 instead of SYMBOL_REF_IN_BLOCK_P.
5838 * explow.c (use_anchored_address): Likewise.
5839 * rtl.c (rtx_size): Likewise.
5840 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5841 instead of SYMBOL_FLAG_IN_BLOCK.
5842 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5843 SYMBOL_REF_IN_BLOCK_P.
5844 (assemble_variable): Likewise.
5845 (output_constant_def_contents): Likewise.
5846 (output_constant_pool): Likewise.
5847 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5848 instead of SYMBOL_FLAG_IN_BLOCK.
5849 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5850 SYMBOL_REF_IN_BLOCK_P.
5851 (SYMBOL_REF_BLOCK): Likewise.
5852 (SYMBOL_REF_OFFSET): Likewise.
5853 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5854 SYMBOL_REF_IN_BLOCK_P.
5855 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5856 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5857 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5858 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5860 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5862 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5864 2006-03-02 Roger Sayle <roger@eyesopen.com>
5866 * simplify-rtx.c (simplify_unary_operation): When simplifying
5867 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5868 that we perform the right shift in the appropriate mode, and
5869 then extend or truncate the result to requested mode.
5871 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5873 * gengtype.c (main): Handle double_int type.
5874 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5875 * double-int.c: New file.
5876 * double-int.h: New file.
5877 * system.h: Include doubleint.h.
5878 * Makefile.in (SYSTEM_H): Include double-int.h.
5879 (double-int.o): Add.
5881 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5884 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5887 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5889 * tree-vrp.c (remove_range_assertions): Do not update statements
5892 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5894 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5896 * gcse.c (rest_of_handle_gcse): Ditto.
5897 * except.c (gate_handle_eh): Ditto.
5898 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5899 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5901 2006-03-02 Eric Christopher <echristo@apple.com>
5903 * config/i386/i386.c (machopic_output_stub): Add indirection to
5906 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5910 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5912 Sun Niagara specific optimizations.
5913 * config.gcc: Recognize niagara as target.
5914 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5915 (TARGET_CPU_niagara): Define.
5916 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5917 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5918 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5919 (ASM_CPU_SPEC): Likewise.
5920 (PROCESSOR_NIAGARA): New enum entry.
5921 (REGISTER_MOVE_COST): Handle Niagara.
5922 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5923 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5924 (sparc_override_options): Recognize "niagara", set appropriate
5925 default MASK_* values for it, and align functions to 32-bytes
5926 by default just like ULTRASPARC/ULTRASPARC3.
5927 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5928 (sparc64_initialize_trampoline): Likewise.
5929 (sparc_use_sched_lookahead): Use zero for niagara.
5930 (sparc_issue_rate): Use one for niagara.
5931 * config/sparc/niagara.md: New file.
5932 * config/sparc/sparc.md: Include it.
5933 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5934 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5935 when default cpu is niagara.
5936 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5937 (ASM_CPU_SPEC): Likewise.
5938 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5939 when default cpu is niagara.
5940 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5941 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5942 just like v9/ultrasparc/ultrasparc3.
5943 * doc/invoke.texi: Add documentation for "niagara" and improve
5944 existing documentation for ultrasparc variants.
5946 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5948 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5950 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5952 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5953 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5954 and say that only one is needed.
5955 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5956 * target.h (have_switchable_bss_sections): New hook.
5957 * explow.c (use_anchored_address): Check that the symbol is in a block.
5958 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5959 (bss_noswitch_section): New variables.
5960 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5961 (get_noswitch_section): New function.
5962 (get_block_for_section): Allow SECT to be null.
5963 (unlikely_text_section_p): Use SECTION_STYLE.
5964 (bss_initializer_p): New function.
5965 (get_variable_section): Move earlier in file. Take a new argument,
5966 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5967 Return one of the new *_sections in such cases.
5968 (get_block_for_decl): New function, extracting some logic from
5969 use_blocks_for_decl_p.
5970 (change_symbol_section): Remove in favor of...
5971 (change_symbol_block): ...this new function.
5972 (use_blocks_for_decl_p): Remove checks now performed by
5974 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5975 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5976 (emit_local, emit_bss, emit_common): ...these new functions.
5977 Return true if the alignment was honored.
5978 (emit_tls_common): New function.
5979 (asm_emit_uninitialised): Delete.
5980 (assemble_variable_noswitch): New function, split out from...
5981 (assemble_variable): ...here. Don't make decisions about common
5982 variables here. Globalize all public decls that go into non-common
5983 sections. Check whether SYMBOL_REF_BLOCK is null.
5984 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5985 (output_constant_pool): Likewise.
5986 (init_varasm_once): Initialize the new section variables.
5987 (have_global_bss_p): New function.
5988 (categorize_decl_for_section): Use bss_initializer_p.
5989 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5990 (place_block_symbol): Assert that the symbol must be in a block.
5991 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5992 (TARGET_INITIALIZER): Include it.
5993 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5994 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5995 (SECTION_MACH_DEP): Bump by two.
5996 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5997 (unnamed_section): Mention SECTION_UNNAMED in comment.
5998 (named_section): Likewise SECTION_NAMED.
5999 (noswitch_section_callback): New type.
6000 (noswitch_section): New structure.
6001 (section): Add a noswitch_section alternative.
6002 (SECTION_STYLE): New macro.
6003 (tls_comm_section, comm_section, lcomm_section): Declare.
6004 (bss_noswitch_section, have_global_bss_p): Declare.
6005 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6006 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6008 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6009 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6012 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6014 * tree-vrp.c (execute_vrp): Return value.
6015 * regrename.c (rest_of_handle_regrename): Ditto.
6016 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6017 * tree-complex.c (tree_lower_complex): Ditto.
6018 (tree_lower_complex_O0): Ditto.
6019 * tracer.c (rest_of_handle_tracer): Ditto.
6020 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6021 * postreload.c (rest_of_handle_postreload): Ditto.
6022 * tree-tailcall.c (execute_tail_recursion): Ditto.
6023 (execute_tail_calls): Ditto.
6024 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6025 * tree.h (init_function_for_compilation): Ditto.
6026 * ipa-cp.c (ipcp_driver): Ditto.
6027 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6028 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6029 * final.c (compute_alignments): Ditto.
6030 (rest_of_handle_final): Ditto.
6031 (rest_of_handle_shorten_branches): Ditto.
6032 (rest_of_clean_state): Ditto.
6033 * omp-low.c (execute_expand_omp): Ditto.
6034 (execute_lower_omp): Ditto.
6035 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6036 * ipa-reference.c (static_execute): Ditto.
6037 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6038 * reorg.c (rest_of_handle_delay_slots): Ditto.
6039 (rest_of_handle_machine_reorg): Ditto.
6040 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6041 * flow.c (recompute_reg_usage): Ditto.
6042 (rest_of_handle_remove_death_notes): Ditto.
6043 (rest_of_handle_life): Ditto.
6044 (rest_of_handle_flow2): Ditto.
6045 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6046 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6047 (do_ssa_store_ccp): Ditto.
6048 (execute_fold_all_builtins): Ditto.
6049 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6050 * modulo-sched.c (rest_of_handle_sms): Ditto.
6051 * ipa-pure-const.c (static_execute): Ditto.
6052 * cse.c (rest_of_handle_cse): Ditto.
6053 (rest_of_handle_cse2): Ditto.
6054 * web.c (rest_of_handle_web): Ditto.
6055 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6056 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6057 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6058 * tree-nrv.c (tree_nrv): Ditto.
6059 (execute_return_slot_opt): Ditto.
6060 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6061 (create_structure_vars): Ditto.
6062 * loop-init.c (rtl_loop_init): Ditto.
6063 (rtl_loop_done): Ditto.
6064 (rtl_move_loop_invariants): Ditto.
6065 (rtl_unswitch): Ditto.
6066 (rtl_unroll_and_peel_loops): Ditto.
6067 (rtl_doloop): Ditto.
6068 * gimple-low.c (lower_function_body): Ditto.
6069 (mark_used_blocks): Ditto.
6070 * tree-ssa-sink.c (execute_sink_code): Ditto.
6071 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6072 (cgraph_early_inlining): Ditto.
6073 * global.c (rest_of_handle_global_alloc): Ditto.
6074 * jump.c (cleanup_barriers): Ditto.
6075 (purge_line_number_notes): Ditto.
6076 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6077 (rest_of_handle_if_after_reload): Ditto.
6078 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6079 (tree_ssa_loop_im): Ditto.
6080 (tree_ssa_loop_unswitch): Ditto.
6081 (tree_vectorize): Ditto.
6082 (tree_linear_transform): Ditto.
6083 (tree_ssa_loop_ivcanon): Ditto.
6084 (tree_ssa_empty_loop): Ditto.
6085 (tree_ssa_loop_bounds): Ditto.
6086 (tree_complete_unroll): Ditto.
6087 (tree_ssa_loop_prefetch): Ditto.
6088 (tree_ssa_loop_ivopts): Ditto.
6089 (tree_ssa_loop_done): Ditto.
6090 * predict.c (tree_estimate_probability): Ditto.
6091 * recog.c (split_all_insns_noflow): Ditto.
6092 (rest_of_handle_peephole2): Ditto.
6093 (rest_of_handle_split_all_insns): Ditto.
6094 * tree-eh.c (lower_eh_constructs): Ditto.
6095 * regmove.c (rest_of_handle_regmove): Ditto.
6096 (rest_of_handle_stack_adjustments): Ditto.
6097 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6098 * function.c (instantiate_virtual_regs): Ditto.
6099 (init_function_for_compilation): Ditto.
6100 (rest_of_handle_check_leaf_regs): Ditto.
6101 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6102 (rest_of_handle_gcse): Ditto.
6103 * ipa-type-escape.c (type_escape_execute): Ditto.
6104 * alias.c (rest_of_handle_cfg): Ditto.
6105 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6106 * profile.c (rest_of_handle_branch_prob): Ditto.
6107 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6108 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6109 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6110 * tree-dfa.c (find_referenced_vars): Ditto.
6111 * except.c (set_nothrow_function_flags): Ditto.
6112 (convert_to_eh_region_ranges): Ditto.
6113 (rest_of_handle_eh): Ditto.
6114 * emit-rtl.c (unshare_all_rtl): Ditto.
6115 (remove_unnecessary_notes): Ditto.
6116 * except.h (set_nothrow_function_flags): Ditto.
6117 (convert_to_eh_region_ranges): Ditto.
6118 * cfgexpand.c (tree_expand_cfg): Ditto.
6119 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6120 * tree-ssa-pre.c (do_pre): Ditto.
6121 (execute_fre): Ditto.
6122 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6123 (rest_of_handle_jump2): Ditto.
6124 * tree-sra.c (tree_sra): Ditto.
6125 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6126 (execute_mudflap_function_decls): Ditto.
6127 * tree-ssa-copy.c (do_copy_prop): Ditto.
6128 (do_store_copy_prop): Ditto.
6129 * ipa-prop.h (ipcp_driver): Ditto.
6130 * cfglayout.c (insn_locators_initialize): Ditto.
6131 * tree-ssa-forwprop.c
6132 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6133 * cfglayout.h (insn_locators_initialize): Ditto.
6134 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6135 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6136 (execute_late_warn_uninitialized): Ditto.
6137 * rtl.h (cleanup_barriers): Ditto.
6138 (split_all_insns_noflow): Ditto.
6139 (purge_line_number_notes): Ditto.
6140 (unshare_all_rtl): Ditto.
6141 (remove_unnecessary_notes): Ditto.
6142 (recompute_reg_usage): Ditto.
6143 (variable_tracking_main): Ditto.
6144 * integrate.c (emit_initial_value_sets): Ditto.
6145 * integrate.h (emit_initial_value_sets): Ditto.
6146 * tree-optimize.c (execute_free_datastructures): Ditto
6147 (execute_free_cfg_annotations): Ditto.
6148 (execute_fixup_cfg): Ditto.
6149 (execute_cleanup_cfg_pre_ipa): Ditto.
6150 (execute_cleanup_cfg_post_optimizing): Ditto.
6151 (execute_init_datastructures): Ditto.
6152 * tree-object-size.c (compute_object_sizes): Ditto.
6153 * combine.c (rest_of_handle_combine): Ditto.
6154 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6155 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6156 (rest_of_handle_reorder_blocks): Ditto.
6157 (rest_of_handle_partition_blocks): Ditto.
6158 * var-tracking.c (variable_tracking_main): Ditto.
6159 * tree-profile.c (tree_profiling): Ditto.
6160 * tree-vect-generic.c (expand_vector_operations): Ditto.
6161 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6162 * sched-rgn.c (rest_of_handle_sched): Ditto.
6163 (rest_of_handle_sched2): Ditto.
6164 * basic-block.h (free_bb_insn): Ditto.
6165 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6166 * tree-cfg.c (execute_build_cfg): Ditto.
6167 (remove_useless_stmts): Ditto.
6168 (split_critical_edges): Ditto.
6169 (execute_warn_function_return): Ditto.
6170 (execute_warn_function_noreturn): Ditto.
6171 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6172 * cfgrtl.c (free_bb_for_insn): Ditto.
6173 * passes.c (execute_one_pass): Run additional
6174 todos returned by execute function.
6175 * tree-pass.h (struct tree_opt_pass): Make execute
6178 2006-03-02 Richard Guenther <rguenther@suse.de>
6180 * tree-ssa-alias.c (find_used_portions): Consider taking
6181 the address as making the variable not write-only.
6183 2006-03-02 Nick Clifton <nickc@redhat.com>
6185 * config.gcc (default_use_cxa_atexit): Extend the description of
6186 this configure variable. Set its default value to "yes" for
6187 Linux, NetBSD and ELF targets on the assumption that they will
6188 use C libraries with the __cxa_atexit function.
6190 2006-03-02 Ben Elliston <bje@au.ibm.com>
6192 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6193 parameter as unused to suppress a build warning.
6195 2006-03-02 Ben Elliston <bje@au.ibm.com>
6197 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6200 2006-03-01 Roger Sayle <roger@eyesopen.com>
6203 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6204 declared name, the weak reference name, and the typeof name.
6205 (__gthrw): Avoid expanding the declared name suffix.
6206 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6208 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6210 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6212 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6213 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6214 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6215 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6216 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6217 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6218 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6219 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6220 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6221 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6222 (DW_END_default, DW_END_big, DW_END_little): New.
6223 (DW_END_lo_user, DW_END_hi_user): Define.
6224 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6225 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6226 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6229 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6231 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6233 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6235 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6237 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6239 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6240 to 'symbol_mem_tag'.
6242 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6245 2006-03-01 Roger Sayle <roger@eyesopen.com>
6247 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6249 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6252 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6253 MACHO_DYNAMIC_NO_PIC_P.
6254 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6256 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6259 * config/darwin-protos.h (darwin_asm_output_anchor):
6261 * config/darwin-sections.def (cstring_section):
6262 Add SECTION_MERGE to the flags.
6263 (literal4_section): Likewise.
6264 (literal8_section): Likewise.
6265 (objc_selector_refs_section): Likewise.
6266 (objc_cls_refs_section): Likewise.
6267 * config/darwin.c (darwin_asm_output_anchor): New
6269 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6271 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6273 Fix PR tree-optimization/26443
6274 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6275 to todo and PROP_tmt_usage to properties_destroyed.
6276 * tree-ssa-ccp.c (pass_ccp): Ditto.
6277 (pass_store_ccp): Ditto.
6278 * tree-ssa-dom.c (pass_dominator): Ditto.
6280 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6282 * tree-ssa-operands.c: Cleanup whitespace.
6283 (get_asm_expr_operands): Move before first invocation.
6284 (get_indirect_ref_operands): Likewise.
6285 (get_tmr_operands): Likewise.
6286 (get_call_expr_operands): Likewise.
6287 (append_def): Likewise.
6288 (append_use): Likewise.
6289 (append_v_may_def): Likewise.
6290 (append_v_must_def): Likewise.
6291 (add_call_clobber_ops): Likewise.
6292 (add_call_read_ops): Likewise.
6293 (add_stmt_operand): Likewise.
6294 (add_virtual_operand): Likewise.
6295 (build_ssa_operands): Likewise.
6297 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6302 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6303 with a call expr to ...
6304 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6306 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6308 * tree-vrp.c (extract_range_from_assert): Remove special
6309 handling for types with super-types.
6311 2006-03-01 Ben Elliston <bje@au.ibm.com>
6313 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6314 and powerpc64-*-linux* configurations.
6315 * config/t-dfprules: New file.
6317 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6318 Compile dfp-bit.c from the source directory using -DWIDTH and
6319 $DFP_CFLAGS to control the compilation of that file, rather than
6320 generating width-specific versions in the build directory.
6321 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6322 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6324 2006-02-28 Zack Weinberg <zackw@panix.com>
6326 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6329 2006-02-28 Eric Christopher <echristo@apple.com>
6331 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6332 Set up IN_LIBGCC definition of TARGET_64BIT.
6333 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6335 2006-02-28 Roger Sayle <roger@eyesopen.com>
6338 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6339 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6340 cases via the construction of "expr != 0".
6342 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6344 * alias.c (alias_invariant, alias_invariant_size): Remove.
6345 (record_base_value): Remove.
6346 (memrefs_conflict_p): Don't look at alias_invariant.
6347 (end_alias_analysis): Don't free it.
6348 * alias.h (record_base_value): Remove prototype.
6350 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6351 Adam Nemet <anemet@caviumnetworks.com>
6353 * rtl.h (truncated_to_mode): Declare it.
6354 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6355 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6356 (RTL_HOOKS_INITIALIZER): Include it.
6357 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6358 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6359 reg_truncated_to_mode.
6360 * rtlanal.c (truncated_to_mode): Define it.
6361 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6363 2006-02-28 Jeff Law <law@redhat.com>
6365 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6366 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6367 the range allowed by TYPE_PRECISION.
6369 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6371 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6373 PR tree-optimization/26419
6374 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6377 2006-02-27 Zack Weinberg <zackw@panix.com>
6379 * doc/md.texi: Fix typo in previous change.
6381 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6385 2006-02-27 Zack Weinberg <zackw@panix.com>
6387 * rtl.def (define_constraint, define_register_constraint)
6388 (define_memory_constraint, define_address_constraint): New MD forms.
6389 * gensupport.c (process_rtx): Put define_constraint etc on the
6391 * genpreds.c (process_define_predicate): Adjust comment. Validate
6392 the name, and call validate_exp to validate the expression.
6393 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6394 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6395 all callers changed.
6396 (validate_exp, needs_variable, struct constraint_data)
6397 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6398 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6399 (const_dbl_constraints, constraint_max_namelen)
6400 (have_register_constraints, have_memory_constraints)
6401 (have_address_constraints, have_address_constraints)
6402 (have_extra_constraints, have_const_int_constraints)
6403 (have_const_dbl_constraints, mangle, add_constraint)
6404 (process_define_constraint, process_define_register_constraint)
6405 (write_enum_constraint_num, write_lookup_constraint)
6406 (write_insn_constraint_len, write_regclass_for_constraint)
6407 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6408 (write_insn_extra_memory_constraint)
6409 (write_insn_extra_address_constraint)
6410 (write_satisfies_constraint_fns): New.
6411 (write_tm_preds_h): If we have new-style constraint definitions,
6412 prototype the functions generated from them, and define the
6413 old constraint interface (still used by generic code) in terms of
6415 (write_insn_preds_c): If we have new-style constraint definitions,
6416 generate all relevant functions from those definitions.
6417 (main): Handle define_constraint etc.
6418 * genoutput.c (struct constraint_data, indep_constraints)
6419 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6420 (mdep_constraint_len): New data structures and functions, defined
6421 #ifdef USE_MD_CONSTRAINTS.
6422 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6423 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6424 use new logic to validate operand constraints against constraint
6426 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6428 * defaults.h: If none of the old-style constraint macros are
6429 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6430 old-style macros; and poison REG_CLASS_FROM_LETTER,
6431 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6433 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6434 * doc/md.texi: Document new constraint-definition mechanism and the
6435 C interface it provides. Remove references to old mechanism
6436 elsewhere in the document.
6437 (Machine Constraints): Use pathnames relative to gcc directory,
6438 i.e. config/ARCH/FILE. Change i386 section to refer to
6439 config/i386/predicates.md; update that section to match docstrings.
6440 * doc/tm.texi: Move all documentation of the old constraint-
6441 definition macros to their own section, clearly mark as obsolete.
6443 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6444 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6446 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6447 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6448 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6450 (splits and peepholes): Use satisfies_constraint_*.
6451 * config/i386/i386.c (memory_address_length)
6452 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6454 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6456 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6457 scalar operation to be put back into the loop.
6459 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6462 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6463 (extract_cie_info): Handle S flag in augmentation string.
6464 (execute_cfa_program): If context->signal_frame, execute also
6465 fs->pc == context->ra instructions.
6466 (uw_frame_state_for): If context->signal_frame, don't subtract one
6467 from context->ra to find FDE.
6468 (uw_update_context_1): Set context->signal_frame to
6470 (_Unwind_GetIPInfo): New function.
6471 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6472 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6474 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6475 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6476 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6477 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6478 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6479 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6480 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6481 x86_64_fallback_frame_state): Set fs->signal_frame.
6482 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6483 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6484 (frob_update_context): Likewise. Workaround missing S flag in
6485 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6486 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6487 Remove the psw_addr + 1 hack.
6489 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6491 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6492 with aggregates here.
6493 (find_func_aliases): Remove code for &<aggregate> from here.
6495 2006-02-26 Roger Sayle <roger@eyesopen.com>
6497 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6498 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6499 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6502 2006-02-26 Roger Sayle <roger@eyesopen.com>
6505 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6507 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6509 * opts.c (decode_options): Do not handle flag_strength_reduce.
6510 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6511 and OPT_fstrength_reduce.
6512 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6513 flag_prefetch_loop_arrays for being nonzero.
6514 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6516 (fprefetch-loop-arrays-rtl): Removed.
6517 (flag_prefetch_loop_arrays): Do not specify the value.
6519 * doc/passes.texi: Update documentation of loop optimizer
6521 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6522 -frerun-loop-opt): Remove.
6524 2006-02-26 Richard Guenther <rguenther@suse.de>
6526 PR tree-optimization/26421
6527 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6528 in function calls that are ADDR_EXPRs as using the whole structure.
6530 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6532 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6533 * tree-pass.h (pass_loop_optimize): Remove.
6534 * passes.c (pass_loop_optimize): Never run it.
6535 * toplev.c (backend_init): Don't call init_loop.
6536 * opts.c (flag_loop_optimize_set): Remove.
6537 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6538 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6539 the old RTL loop optimizer when profiling enabled.
6540 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6541 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6542 pre-headers for the sake of the old RTL loop optimizer.
6543 * Makefile.in: Remove all references to loop.o.
6545 * doc/invoke.texi: Remove all references to -floop-optimize
6546 and -frerun-loop-opt.
6548 2006-02-26 Zack Weinberg <zackw@panix.com>
6550 * doc/md.texi (Machine Constraints): Refer to all files with paths
6551 relative to gcc directory (i.e. config/CPU/file). Add missing
6552 @table @code ... @end table to M32C subsection.
6554 2006-02-26 Roger Sayle <roger@eyesopen.com>
6556 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6558 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6560 2006-02-26 Roger Sayle <roger@eyesopen.com>
6561 James A. Morrison <phython@gcc.gnu.org>
6564 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6565 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6566 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6567 signedness of the shift operation.
6569 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6571 PR tree-optimization/26359
6572 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6574 2006-02-25 Roger Sayle <roger@eyesopen.com>
6576 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6577 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6578 as X == 0, and some symmetry related transformations.
6579 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6581 2006-02-25 Roger Sayle <roger@eyesopen.com>
6584 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6585 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6586 symmetry related transformations. Fold (X^C1) == C2 as
6589 2006-02-25 Juergen Weigert <jw@suse.de>
6590 Richard Guenther <rguenther@suse.de>
6592 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6594 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6596 * combine.c (gen_lowpart_or_truncate): Call
6597 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6599 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6601 * doc/invoke.texi: Move -fopenmp description to "Options for
6603 Remove reference to -lgomp.
6605 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6607 * doc/install.texi: Require GNU tar version 1.14.
6609 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6611 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6612 * doc/invoke.texi (C++ Dialect Options): Document
6613 -fno-use-cxa-get-exception-ptr.
6614 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6615 * configure: Regenerate.
6616 * c.opt (fuse-cxa-get-exception-ptr): New.
6617 * c-opts.c (c_common_handle_option): Handle
6618 OPT_fuse_cxa_get_exception_ptr.
6619 * c-common.c (flag_use_cxa_atexit): Update documentation.
6620 (flag_use_cxa_get_exception_ptr): New.
6621 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6622 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6624 (C_COMMON_OVERRIDE_OPTIONS): New.
6626 2006-02-24 Roger Sayle <roger@eyesopen.com>
6629 * combine.c (try_combine): Explicitly check whether GET_CODE is
6630 a SET or a CLOBBER, instead on checking that it isn't a USE.
6632 2006-02-24 Roger Sayle <roger@eyesopen.com>
6634 * fold-const.c (fold_comparison): New subroutine of fold_binary
6635 containing transformations common to both the equality and
6636 ordering relational operators, factored out of fold_binary.
6637 (fold_binary): Separate out the equality operators (EQ_EXPR
6638 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6639 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6640 transformations common to both.
6641 (fold_div_compare): Fix latent bugs in the previously unreachable
6642 LT_EXPR and GE_EXPR cases.
6644 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6646 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6647 decl libname for clog to __clog on AIX.
6649 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6651 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6654 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6655 output traceback table for thunks. Localise rs6000_stack_info call.
6657 2006-02-23 Roger Sayle <roger@eyesopen.com>
6658 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6660 * gthr-posix.h (__gthrw): Fix typo in comment.
6662 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6664 * doc/cpp.texi (Character sets): Document that we do support
6665 input files to be in any character set.
6667 2006-02-23 Jeff Law <law@redhat.com>
6669 * tree.h (PHI_ARG_NONZERO): Remove.
6670 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6671 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6672 node to the new node.
6674 PR tree-optimization/26425
6675 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6676 min/max, then assume its varying.
6678 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6680 PR rtl-optimization/26316
6681 * rtlanal.c (enum may_trap_p_flags): New.
6682 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6683 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6684 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6685 (may_trap_after_code_motion_p): New function.
6686 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6687 (find_invariant_insn): Use may_trap_after_code_motion_p.
6688 * rtl.h (may_trap_after_code_motion_p): Declare.
6690 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6692 * emit-rtl.c (immed_double_const): Cleanup.
6694 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6696 Fix PR tree-optimization/26376
6697 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6700 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6703 * gimplify.c (omp_add_variable): Guard variable size decl test with
6704 DECL_SIZE (decl) check.
6706 2006-02-23 Richard Guenther <rguenther@suse.de>
6709 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6710 like aggregate types.
6712 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6714 * configure.ac: Add --with{,out}-long-double-128 configure option.
6715 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6716 * configure: Rebuilt.
6717 * config.in: Rebuilt.
6718 * doc/install.texi (Options specification): Document
6719 --with-long-double-128.
6721 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6722 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6723 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6724 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6726 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6728 * config/s390/s390.c (override_options): Handle
6729 TARGET_DEFAULT_LONG_DOUBLE_128.
6731 * config/alpha/alpha.c (override_options): Handle
6732 TARGET_DEFAULT_LONG_DOUBLE_128.
6734 * config/sparc/sparc.c (sparc_override_options): Handle
6735 TARGET_DEFAULT_LONG_DOUBLE_128.
6737 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6739 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6740 (real-install-headers-tar, real-install-headers-cpio)
6741 (real-install-headers-cp): New targets.
6743 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6745 * tree.h (variable_section): Delete.
6746 * varasm.c (variable_section): Delete.
6748 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6750 * install.texi: Add notes on install.texi2html.
6751 (Building in parallel): Do not use footnotes.
6753 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6756 * doc/install.texi (Configuration): Document --disable-libgomp.
6758 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6760 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6762 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6764 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6765 (vec_extractv2df_0_sse): New.
6767 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6769 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6770 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6771 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6772 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6773 to the result of the expression.
6774 (def_cfa_1): Adjust.
6775 (frame_pointer_cfa_offset): Rename to...
6776 (frame_pointer_fb_offset): ... this. Adjust all uses.
6777 (convert_cfa_to_loc_list): Rename to...
6778 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6779 Pass it on to build_cfa_loc.
6780 (compute_frame_pointer_to_cfa_displacement): Rename to...
6781 (compute_frame_pointer_to_fb_displacement): ... this. New
6782 offset parameter. Use it in computation.
6783 (gen_subprogram_die): Compute cfa_fb_offset with the new
6784 macro, and use it to compute the fb loc list and the
6787 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6789 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6790 replaced with register_operand.
6791 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6792 non-DREG is expensive.
6793 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6794 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6797 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6799 * doc/install.texi2html: Use set -e.
6801 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6803 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6804 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6805 * doc/invoke.texi (-fshared-data): Delete.
6806 * common.opt (fshared-data): Delete.
6807 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6808 (assemble_static_space): Remove #if 0 code.
6809 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6810 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6811 * config/cris/cris.h: Remove FIXME.
6813 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6815 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6818 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6821 * combine.c (simplify_shift_const_1): Disable nested shifts
6822 optimization for vector shifts.
6824 2006-02-20 Roger Sayle <roger@eyesopen.com>
6826 PR tree-optimization/26361
6827 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6828 of unsigned integer types.
6830 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6832 * tree-chrec.c (eq_evolutions_p): New.
6833 * tree-chrec.h (eq_evolutions_p): Declared.
6834 * tree-data-ref.c: Fix formatting.
6835 (datadep_stats, dependence_stats): New.
6837 (print_direction_vector): New.
6838 (dump_data_dependence_relation): Use print_direction_vector.
6839 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6840 (compute_subscript_distance): Static.
6841 (initialize_data_dependence_relation): Static. Get the number
6842 of loops surrounding the references from the callers, and initialize
6843 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6844 base_object_differ_p analyzers.
6845 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6846 compute_overlap_steps_for_affine_1_2,
6847 analyze_subscript_affine_affine): Count the classified dependences.
6848 Print a message when a test failed.
6849 (can_use_analyze_subscript_affine_affine): New.
6850 (analyze_siv_subscript): Compute the data dependences on symbolic
6851 scevs that verify can_use_analyze_subscript_affine_affine.
6852 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6853 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6854 Handle symbolic scevs.
6855 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6857 (subscript_dependence_tester): Moved...
6858 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6859 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6860 DDR_SIZE_VECT instead of getting it in parameter.
6861 (subscript_dependence_tester): ... here. Take as a parameter
6862 loop_nest_depth. Call build_classic_dist_vector and
6863 build_classic_dir_vector.
6864 (compute_affine_dependence): Update subscript_dependence_tester
6865 parameters. Update datadep_stats counters. Call
6866 compute_subscript_distance.
6867 (compute_self_dependence): Save the dist and dir vectors. Call
6868 compute_subscript_distance.
6869 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6870 (compute_all_dependences): Reorder parameters as they were before
6871 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6872 compute_subscript_distance. Update the use of
6873 compute_affine_dependence and initialize_data_dependence_relation.
6874 (find_data_references_in_loop): Handle COMPONENT_REF.
6875 (compute_data_dependences_for_loop): Initialize dependence_stats.
6876 Don't call build_classic_dist_vector and build_classic_dir_vector.
6877 Update the parameters of initialize_data_dependence_relation and
6878 compute_all_dependences. Print the statistics from datadep_stats.
6879 (analyze_all_data_dependences): Static. Not used until the pass for
6880 checking the data dependences is contributed.
6881 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6882 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6883 (initialize_data_dependence_relation, compute_affine_dependence,
6884 analyze_all_data_dependences, compute_subscript_distance): Removed.
6885 (print_direction_vector): New.
6886 * lambda.h (gcd): ... here.
6887 (lambda_vector_gcd): Moved here from gcd_vector.
6888 * lambda-code.c (gcd, gcd_vector): Removed.
6889 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6890 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6892 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6894 * ipa-type-escape.c: Tidy some comments and white space.
6895 * tree-ssa-operands.c: Likewise.
6897 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6900 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6901 (dump_decl_name): Do not walk the decl tree chains.
6902 * tree-pass.h (TDF_CHAIN): Remove.
6904 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6906 * Makefile.in (C): Remove
6908 (.PHONY): Remove C and PROTO
6910 2006-02-20 Roger Sayle <roger@eyesopen.com>
6913 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6914 deprecated CHAR_TYPE tree code.
6916 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6918 * configure.ac (target_list): Add install-info, dvi, html.
6919 * configure: Regenerate.
6921 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6922 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6923 treelang/Make-lang.in: Do not use double-colon rules.
6925 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6927 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6928 (TMT_USED_ALONE): New macro.
6929 * tree-pass.h (PROP_tmt_usage): New property.
6930 (TODO_update_tmt_usage): New todo.
6931 * tree-ssa-alias.c (updating_used_alone): New variable.
6932 (recalculate_used_alone): New function.
6933 (compute_may_aliases): Set updating_used_alone, call
6934 recalculate_used_alone.
6935 * tree-sra.c (pass_sra): Note that this pass destroys
6936 PROP_tmt_usage, and add TODO_update_tmt_usage.
6937 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6938 * tree-flow.h (updating_used_alone): Prototype.
6939 (recalculate_used_alone): Ditto.
6940 * passes.c (execute_todo): Add code to set updating_used_alone,
6941 and call recalculate.
6942 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6943 for clobber if used alone, and add assert to verify used_alone
6946 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6948 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6949 for non tls symbols added.
6950 (legitimize_address): Do nothing for PLUS expressions if one of the
6951 addends is a tls symbol reference.
6953 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6957 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6959 * Makefile.in (BOOTSTRAPPING): New.
6960 (quickstrap): New definition if BOOTSTRAPPING=yes.
6962 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6963 * configure.ac: Substitute all_selected_languages with the languages
6964 that were configured. For all the other variables except
6965 lang_specs_files, include all the languages in the tree.
6966 * configure: Regenerate.
6968 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6969 if there is one. Run the commands to run fixincludes in the same
6972 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6973 * doc/install.texi: Document exact conventions for searching target tools.
6974 Document --with-build-time-tools. Document toplevel bootstrap. Document
6975 something more about building an Ada cross-compiler. Don't list GNU Make
6976 requirements which affect all platforms.
6978 2006-02-19 Roger Sayle <roger@eyesopen.com>
6981 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6982 only equivalent if the have both the same mode and precision.
6984 2006-02-20 Ben Elliston <bje@au.ibm.com>
6986 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6988 2006-02-19 Roger Sayle <roger@eyesopen.com>
6989 Steven Bosscher <stevenb.gcc@gmail.com>
6991 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6992 constant pool references to identify stack mode constants.
6993 * rtlanal.c (constant_pool_constant_p): New predicate to check
6994 whether operand is a floating point constant in the pool.
6995 * rtl.h (constant_pool_constant_p): Prototype here.
6996 * loop.c (scan_loop): Avoid hoisting constants from the constant
6997 pool on STACK_REGS targets.
6998 (load_mems): Likewise.
6999 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7000 loads into x87 registers expensive in terms of register pressure.
7002 2006-02-19 Roger Sayle <roger@eyesopen.com>
7004 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7005 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7007 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7009 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7010 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7012 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7014 * doc/invoke.texi: Document -fipa-pta.
7015 * common.opt: Add ipa-pta option.
7016 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7017 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7018 (do_ds_constraint): Ditto.
7019 (get_constraint_for): Only add to referenced_vars if
7020 referenced_vars exists.
7021 (insert_into_field_list): Rewrite to do this unsorted.
7022 (insert_into_field_list_sorted): Rename old insert_into_field_list
7024 (create_function_info_for): Use insert_into_field_list_sorted.
7025 (create_variable_info_for): Rewrite so it uses unsorted version,
7026 since the field list is sorted.
7027 (intra_create_variable_infos): Only add to referenced_vars if
7028 referenced_vars exists.
7029 (ipa_pta_execute): Init heapvars, and delete when done.
7030 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7032 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7034 * doc/install.texi: Add missing `@samp'.
7036 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7038 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7041 2006-02-18 Mark Wielaard <mark@klomp.org>
7043 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7044 who added new 4.1 features, bug fixes and integration support.
7046 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7049 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7052 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7054 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7055 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7056 (copy_insn_1): Likewise. Don't copy each field individually.
7058 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7060 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7061 * rtl.c (rtx_size): Rename variable to...
7062 (rtx_code_size): ...this.
7063 (rtx_size): New function.
7064 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7065 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7067 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7068 * rtl.h (rtx_code_size): New variable.
7069 (rtx_size): Change from a variable to a function.
7070 (RTX_SIZE): Rename to...
7071 (RTX_CODE_SIZE): ...this.
7074 PR tree-optimization/17106
7075 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7076 (Anchored Addresses): New section.
7077 * doc/invoke.texi (-fsection-anchors): Document.
7078 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7079 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7080 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7081 * hooks.c (hook_bool_mode_rtx_false): New function.
7082 * hooks.h (hook_bool_mode_rtx_false): Declare.
7083 * gengtype.c (create_optional_field): New function.
7084 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7085 SYMBOL_REF_IN_BLOCK_P is true.
7086 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7087 (min_anchor_offset, max_anchor_offset): Likewise.
7088 (use_anchors_for_symbol_p): New hook.
7089 * toplev.c (compile_file): Call output_object_blocks.
7090 (target_supports_section_anchors_p): New function.
7091 (process_options): Check that -fsection-anchors is only used on
7092 targets that support it and when -funit-at-a-time is in effect.
7093 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7094 if the decl doesn't have one.
7095 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7096 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7097 of force_const_mem through use_anchored_address.
7098 (expand_expr_constant): New function.
7099 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7100 calling expand_expr for INDIRECT_REF.
7101 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7102 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7103 * expr.h (use_anchored_address): Declare.
7104 * loop-unroll.c: Don't declare rtx vectors here.
7105 * explow.c: Include output.h.
7106 (validize_mem): Call use_anchored_address.
7107 (use_anchored_address): New function.
7108 * common.opt (-fsection-anchors): New switch.
7109 * varasm.c (object_block_htab, anchor_labelno): New variables.
7110 (hash_section, object_block_entry_eq, object_block_entry_hash)
7111 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7112 (use_blocks_for_decl_p, change_symbol_section): New functions.
7113 (get_variable_section): New function, split out from assemble_variable.
7114 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7115 use_blocks_for_decl_p say so. Use change_symbol_section if the
7116 symbol has already been created.
7117 (assemble_variable_contents): New function, split out from...
7118 (assemble_variable): ...here. Don't output any code for
7119 block symbols; just pass them to place_block_symbol.
7120 Use get_variable_section and assemble_variable_contents.
7121 (get_constant_alignment, get_constant_section, get_constant_size): New
7122 functions, split from output_constant_def_contents.
7123 (build_constant_desc): Create a block symbol if use_object_blocks_p
7124 says so. Or into SYMBOL_REF_FLAGS.
7125 (assemble_constant_contents): New function, split from...
7126 (output_constant_def_contents): ...here. Don't output any code
7127 for block symbols; just pass them to place_section_symbol.
7128 Use get_constant_section and get_constant_alignment.
7129 (force_const_mem): Create a block symbol if use_object_blocks_p and
7130 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7131 (output_constant_pool_1): Add an explicit alignment argument.
7132 Don't switch sections here.
7133 (output_constant_pool): Adjust call to output_constant_pool_1.
7134 Switch sections here instead. Don't output anything for block symbols;
7135 just pass them to place_block_symbol.
7136 (init_varasm_once): Initialize object_block_htab.
7137 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7138 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7139 (place_block_symbol, get_section_anchor, output_object_block)
7140 (output_object_block_htab, output_object_blocks): New functions.
7141 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7142 (TARGET_ASM_OUT): Include it.
7143 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7144 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7145 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7146 (TARGET_INITIALIZER): Include them.
7147 * rtl.c (rtl_check_failed_block_symbol): New function.
7148 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7149 (block_symbol, object_block): New structures.
7150 (rtx_def): Add a block_symbol field to the union.
7151 (BLOCK_SYMBOL_CHECK): New macro.
7152 (rtl_check_failed_block_symbol): Declare.
7153 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7154 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7155 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7156 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7157 * output.h (output_section_symbols): Declare.
7158 (object_block): Name structure.
7159 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7160 (default_use_anchors_for_symbol_p): Declare.
7161 * Makefile.in (RTL_BASE_H): Add vec.h.
7162 (explow.o): Depend on output.h.
7163 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7164 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7165 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7166 (rs6000_use_blocks_for_constant_p): New function.
7168 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7170 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7172 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7175 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7178 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7180 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7184 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7187 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7188 instead of DECL_REGISTER.
7190 2006-02-18 Olivier Hainque <hainque@adacore.com>
7193 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7195 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7198 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7199 * opth-gen.awk: Handle Var and InverseMask together.
7200 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7201 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7202 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7203 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7205 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7206 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7207 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7208 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7209 LINUX_DYNAMIC_LINKER): Define.
7210 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7211 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7213 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7214 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7215 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7216 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7217 (TARGET_C99_FUNCTIONS): Don't define.
7218 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7219 GLIBC_DYNAMIC_LINKER.
7220 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7221 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7222 GLIBC_DYNAMIC_LINKER64): Define.
7223 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7224 LINUX_DYNAMIC_LINKER64.
7225 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7226 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7227 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7228 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7229 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7230 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7231 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7232 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7233 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7234 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7235 and LINUX_DYNAMIC_LINKER32.
7236 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7237 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7238 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7239 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7240 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7242 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7243 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7244 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7245 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7246 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7247 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7248 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7249 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7250 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7251 LINUX_DYNAMIC_LINKER): Define.
7252 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7253 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7254 GLIBC_DYNAMIC_LINKER64): Define.
7255 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7256 LINUX_DYNAMIC_LINKER64.
7257 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7258 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7259 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7260 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7261 LINUX_DYNAMIC_LINKER): Define.
7262 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7263 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7264 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7265 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7266 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7267 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7268 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7269 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7270 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7271 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7272 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7273 * doc/invoke.texi (-muclibc): Remove caveat about supported
7276 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7278 * doc/cpp.texi (__TIMESTAMP__): Document.
7280 2006-02-17 Roger Sayle <roger@eyesopen.com>
7283 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7284 C is one less than the width of X (and related transformations).
7285 * simplify-rtx.c (simplify_unary_operation_1): Transform
7286 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7287 depending on STORE_FLAG_VALUE, were C is one less then the
7290 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7292 Fix PR tree-optimization/26341
7293 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7294 about NAME_MEMORY_TAG's.
7296 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7299 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7300 with hardware float support, and software float support. Add fcpy
7301 alternative to hardware patterns. Add alternatives to copy between
7302 general and floating-point registers to the 32-bit pattern.
7303 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7304 secondary reload to load a QI or HI mode constant into a floating
7306 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7307 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7309 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7312 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7314 (load_macho_picbase_di): Likewise.
7316 2006-02-16 Jeff Law <law@redhat.com>
7318 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7319 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7320 (ssa_name_nonzero_p): Likewise.
7321 (get_value_range): Return NULL if VRP is not running.
7322 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7323 VRP routines do not discover a range.
7324 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7325 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7326 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7327 (tree_expr_nonnegative_p): Similarly.
7328 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7329 (restore_nonzero_vars_to_original_value): Remove.
7330 (unsafe_associative_fp_binop): Remove.
7331 (tree_ssa_dominator_optimize): Remove initialization and
7332 finalization of nonzero_vars and nonzero_vars_stack.
7333 (dom_opt_initialize_block): No longer push marker on
7335 (dom_opt_finalize_block): No longer call
7336 restore_nonzero_vars_to_original_value.
7337 (record_equivalences_from_phis): No longer look for
7338 nonzero PHI arguments.
7339 (cprop_into_successor_phis): No longer propagate nonzero
7340 property into PHI arguments. Lose unused argument. Caller
7342 (record_equivalences_from_stmt): No longer record nonzero
7343 values for SSA_NAMEs.
7344 (lookup_avail_expr): No longer use nonzero_vars.
7346 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7347 for sizetype when sizetype is unsigned.
7349 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7351 PR rtl-optimization/25603
7352 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7353 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7354 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7355 with new meaning of SETS.
7357 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7362 * config/linux.opt: New file.
7363 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7364 LINUX_DYNAMIC_LINKER): Define.
7365 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7366 * config.gcc (*-*-linux*): Define extra_options.
7367 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7368 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7369 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7370 GLIBC_DYNAMIC_LINKER.
7371 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7372 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7373 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7374 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7375 * doc/invoke.texi (GNU/Linux Options): New section.
7377 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7379 * config/sparc/sparc.md (setjmp): Rewrite.
7380 (setjmp_32): Delete.
7381 (setjmp_64): Likewise.
7383 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7385 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7388 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7390 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7393 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7395 PR rtl-optimization/26296
7396 * Makefile.in (loop-invariant.c): Add except.h dependency.
7397 * loop-invariant.c: Include except.h.
7398 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7400 2005-02-16 Paul Brook <paul@codesourcery.com>
7402 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7405 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7407 PR rtl-optimization/25636
7408 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7409 when deciding whether an insn is an initializing insn.
7411 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7413 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7414 (tree_code_size): Ditto.
7415 * tree.h (struct tree_memory_tag): Remove parent_var.
7416 (struct tree_struct_field_tag): New.
7419 (union tree_node): Add sft member.
7420 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7422 (create_sft): Add size and offset argument, set SFT_OFFSET and
7424 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7425 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7426 * tree-flow-inline.h (get_subvar_at): Update for
7427 SFT_OFFSET/SFT_SIZE.
7428 (var_can_have_subvars): Ditto.
7429 (overlap_subvar): Ditto.
7430 * print-tree.c (print_node): Print out interesting things for
7432 * tree-flow.h (struct subvar): Remove offset and size members.
7433 * tree-ssa-operands.c (get_expr_operands): Update for
7434 get_indirect_ref_operands changes.
7435 (get_indirect_ref_operands): Call add_virtual_operand instead of
7436 add_stmt_operand. Only recurse on base var if requested.
7437 (access_can_touch_variable): New function.
7438 (add_stmt_operand): Split virtual operand handling into ...
7439 (add_virtual_operand): Here. Add offset, size, and for_clobber
7440 arguments. Prune alias sets.
7441 (add_call_clobber_ops): Call add_virtual_operand.
7443 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7446 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7448 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7449 than TREE_CODE as index into omp_clause_num_ops array.
7451 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7453 PR rtl-optimization/26184
7454 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7456 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7457 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7458 must_precede, must_follow and tobe_scheduled.
7461 * opts.c (common_handle_option): Free new_option pointer.
7462 * df-core.c (df_analyze): Free postorder pointer.
7464 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7466 * Makefile.in: Fix the examples about the use of stamps
7468 2006-02-15 Michael Matz <matz@suse.de>
7472 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7473 influenced by maximum_field_alignment or DECL_PACKED.
7474 (update_alignment_for_field): Ditto.
7475 (place_field): Ditto.
7476 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7479 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7481 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7482 (debug_flow_info): Pass it.
7483 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7484 * bb-reorder.c (reorder_basic_blocks): Likewise.
7485 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7486 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7487 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7488 * gcse.c (gcse_main, bypass_jumps): Likewise.
7489 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7490 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7491 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7492 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7493 * rtl.h (dump_flow_info): Adjust prototype.
7494 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7495 * var-tracking.c (variable_tracking_main): Likewise.
7496 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7497 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7500 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7502 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7505 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7507 PR tree-optimization/26209
7508 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7509 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7511 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7513 2006-02-14 Roger Sayle <roger@eyesopen.com>
7516 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7517 (X,Y) and the corresponding symmetry related transformations.
7518 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7519 (X,Y) and its symmetry related transformations.
7521 2006-02-14 Roger Sayle <roger@eyesopen.com>
7523 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7526 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7528 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7530 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7533 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7534 support COMDAT group.
7535 * configure: Regenerate.
7537 2006-02-14 Roger Sayle <roger@eyesopen.com>
7542 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7544 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7546 Fix PR tree-optimization/26260
7548 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7550 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7551 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7552 * tree-ssa-structalias.c (create_variable_info_for): Use
7553 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7555 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7557 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7559 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7560 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7561 of the ending condition.
7562 * tree-ssa-loop-manip.c: Include params.h.
7563 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7564 tree_unroll_loop): New functions.
7565 * tree-pass.h (pass_loop_prefetch): Declare.
7566 * loop.c (rest_of_handle_loop_optimize): Test for
7567 -fprefetch-loop-arrays-rtl.
7568 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7569 * timevar.def (TV_TREE_PREFETCH): New timevar.
7570 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7571 pass_loop_prefetch): New.
7572 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7573 (cleanup_tree_cfg_loop): Call scev_reset.
7574 * common.opt (fprefetch-loop-arrays-rtl): Add.
7575 * tree-ssa-loop-prefetch.c: New file.
7576 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7577 (new_temp_expr_table): Initialize expr_vars.
7578 (free_temp_expr_table): Cleanup expr_vars.
7579 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7580 expressions from being merged into one.
7581 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7582 (struct tree_niter_desc): Add control, bound and cmp fields.
7583 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7585 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7586 (tree-cfgcleanup.o): Add SCEV_H dependency.
7587 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7588 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7590 2006-02-14 Richard Guenther <rguenther@suse.de>
7592 PR tree-optimization/26258
7593 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7594 in PHI argument processing.
7596 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7598 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7599 new expression in the requested machine mode.
7601 2006-02-13 Roger Sayle <roger@eyesopen.com>
7603 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7604 directly, instead let do_compare_rtx_and_jump handle this for us.
7605 * expr.c (expand_expr_real_1): Likewise.
7606 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7607 before do_jump_by_parts_greater.
7608 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7609 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7611 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7613 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7615 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7617 PR rtl-optimization/26235
7618 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7619 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7622 2006-02-13 Jeff Law <law@redhat.com>
7624 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7627 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7630 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7631 twice if decl is a builtin. When trying again, call get_callee_fndecl
7632 first to verify it is still a builtin.
7634 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7636 * dwarf2out.c (base_type_die): Don't add AT_name here.
7637 (subrange_type_die): Don't add AT_name here.
7638 (modified_type_die): Rearrange code flow. Do add AT_name here.
7640 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7642 PR rtl-optimization/26247
7643 PR rtl-optimization/26248
7644 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7646 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7648 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7649 * config/fixtfdi.c: Likewise.
7650 * config/fixunstfdi.c: Likewise.
7651 * config/floatditf.c: Likewise.
7653 2006-02-13 Roger Sayle <roger@eyesopen.com>
7656 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7657 into (X,C2) if C1 is a subset of the bits of C2. Transform
7658 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7660 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7662 2006-02-13 Josh Conner <jconner@apple.com>
7665 * varasm.c (function_section): Check for section name before
7666 calling select_section on targets that define
7667 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7668 unlikely_text_section instead of hot_function_section if
7669 first_function_block_is_cold.
7671 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7674 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7676 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7678 PR rtl-optimization/26222
7679 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7680 after tree->rtl expansion.
7681 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7682 before passing it to emit_move_insn.
7684 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7686 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7688 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7689 Clarify documentation.
7690 * c-common.h (warn_write_strings): Remove.
7691 * c-common.c (warn_write_strings): Likewise.
7692 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7695 2006-02-12 Roger Sayle <roger@eyesopen.com>
7698 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7699 (do_jump_parts_zero_rtx): New function renamed from
7700 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7701 (do_jump_parts_equality_rtx): New function split out from
7702 do_jump_parts_equality. Old implementation renamed as above.
7703 Call do_jump_parts_zero_rtx if either operand is zero.
7704 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7705 do all of the heavy lifting.
7706 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7707 calling either do_jump_by_parts_greater_rtx or
7708 do_jump_by_parts_equality_rtx.
7709 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7710 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7711 moved to do_compare_rtx_and_jump, call it directly.
7712 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7713 mode argument. Call do_compare_rtx_and_jump.
7714 (emit_case_nodes): Update calls to do_jump_if_equal.
7716 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7718 PR rtl-optimization/26225
7719 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7721 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7723 PR rtl-optimization/26232
7724 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7726 2006-02-11 Jason Merrill <jason@redhat.com>
7729 * tree-inline.c (declare_return_variable): Just don't use the
7730 modify target if it's a gimple complex reg and the return slot
7733 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7735 * doc/contrib.texi: Update my entry.
7737 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7739 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7741 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7743 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7746 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7748 * doc/invoke.texi (-floop-optimize2): Removed.
7749 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7750 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7751 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7752 * common.opt (floop-optimize2): Removed.
7753 (fmove-loop-invariants): Enabled by default.
7755 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7757 * tree-if-conv.c (combine_blocks): Free the result of
7758 get_loop_exit_edges.
7760 2006-02-10 Jeff Law <law@redhat.com>
7762 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7764 PR tree-optimization/26213
7765 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7766 loop trying to follow SSA_NAME_VALUE chains.
7768 2006-02-10 Richard Guenther <rguenther@suse.de>
7770 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7771 deal with structures that end in implicitly variable sized arrays.
7773 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7775 PR rtl-optimization/24762
7776 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7779 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7781 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7782 (struct ivopts_data): Add regs_used field.
7783 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7784 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7785 instead of loop_data->regs_used;
7786 (free_loop_data): Do not free aux fields for loops.
7787 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7788 and tree_ssa_iv_optimize_finalize.
7790 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7792 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7794 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7797 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7798 computing the effective result type.
7800 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7803 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7804 (tree_overlaps_hard_reg_set): Declare.
7805 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7806 type and signature to match function type expected by walk_tree.
7807 (tree_overlaps_hard_reg_set): New function.
7808 (decl_conflicts_with_clobbers_p): Rename to:
7809 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7810 Use tree_overlaps_hard_reg_set. Changed caller.
7811 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7812 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7813 * cris.c (cris_md_asm_clobbers): Likewise.
7815 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7817 * reload1.c (emit_input_reload_insns): Delete code that tries to
7818 inherit using find_equiv_reg.
7820 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7822 * c-common.h (flag_const_strings): Don't declare.
7823 * c-common.c (flag_const_strings): Remove.
7824 * c.opt (fconst_strings): Remove.
7825 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7826 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7827 (c_common_init_options): Don't set flag_const_strings.
7828 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7830 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7832 * arm.md (tlobits_cbranch): New pattern.
7833 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7834 testing a single bit.
7836 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7839 * tree-ssa-pre.c (create_component_ref_by_pieces):
7840 Handle RETURN_DECL like VAR_DECL.
7842 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7845 * fold-const.c (fold_indirect_ref_1): Fold
7846 "*(foo *)&complexfoo" to "__real__ complexfoo"
7847 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7849 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7851 * tree-flow-inline.h (var_can_have_subvars):
7852 Volatile variables should not have subvariables.
7854 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7857 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7858 multiplying unsigned values.
7861 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7863 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7865 2006-02-08 Jason Merrill <jason@redhat.com>
7868 * tree.def: Elaborate on difference from MODIFY_EXPR.
7869 * doc/c-tree.texi (INIT_EXPR): Likewise.
7870 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7871 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7872 (gimplify_target_expr): Likewise.
7873 (gimplify_cond_expr): Remove target handling.
7874 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7875 (gimplify_expr): Clobber it here.
7876 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7877 Do return slot optimization if we have an INIT_EXPR.
7880 * tree-inline.c (declare_return_variable): Also clear
7881 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7884 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7887 * gimplify.c (gimplify_one_sizepos): Fix typo.
7889 2006-02-08 Jeff Law <law@redhat.com>
7891 PR tree-optimization/21417
7892 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7893 across a backedge if the control statement at the end of the
7894 block is data dependent on other statements in the same block.
7895 (record_temporary_equivalences_from_stmts): Remove over-conservative
7896 test for threading across backedges.
7898 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7899 control statement, handle all three special cases in the same
7900 manner as they all have the same desired solution. No longer
7901 special case edge flag updating when the post dominator is
7904 2006-02-08 Roger Sayle <roger@eyesopen.com>
7906 * tree.def (CHAR_TYPE): Remove.
7907 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7908 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7909 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7910 (gen_string_type_die): Delete unreachable function.
7912 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7913 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7914 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7915 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7916 * builtins.c (type_to_class): Likewise.
7917 * fold-const.c (fold_convert, build_range_check,
7918 merge_ranges): Likewise.
7919 * expr.c (count_type_elements): Likewise.
7920 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7921 * stor-layout.c (layout_type): Likewise.
7922 * ipa-type-escape.c (type_to_consider): Likewise.
7923 * gimplify.c (omp_firstprivatize_type_sizes,
7924 gimplify_type_sizes): Likewise.
7925 * explow.c (promote_mode): Likewise.
7926 * tree-sra.c (is_sra_scalar_type): Likewise.
7927 * varasm.c (output_constant): Likewise.
7928 * tree-inline.c (remap_type_1): Likewise.
7929 * convert.c (convert_to_pointer, convert_to_real,
7930 convert_to_integer, convert_to_complex): Likewise.
7932 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7934 * df-scan.c (df_def_record_1): A set destination may
7935 be a parallel regardless of mode.
7937 2006-02-08 Roger Sayle <roger@eyesopen.com>
7940 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7941 * config/mips/_tilib.c: Remove.
7942 * config/fixtfdi.c: New libgcc source file.
7943 * config/fixunstfdi.c: New source file.
7944 * config/floatditf.c: New source file.
7945 * config/floatunditf.c: New souce file.
7946 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7947 files above instead of config/mips/_tilib.c.
7948 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7950 2006-02-08 Jeff Law <law@redhat.com>
7952 PR tree-optimization/26169
7953 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7956 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7958 * df.h (DF_REG_SIZE): Return the length of the initialized
7961 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7963 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7964 __muldf3): Return a correctly signed zero.
7966 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7968 * passes.c (register_one_dump_file): Accept the current properties
7969 instead of pass number. Adjust call to dump_register. Remove
7971 (register_dump_files): Now a wrapper around...
7972 (register_dump_files_1): ... this one. Do not modify the pass
7974 (next_pass_1): Cosmetic fix.
7975 (execute_todo): Keep second parameter only. Use curr_properties
7976 instead of fetching it from the pass structure. Check and set
7978 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7979 instead of fetching it from the pass structure. Fix calls to
7980 execute_todo. Update curr_properties and initialize .vcg RTL dump
7981 after running the pass. Reset last_verified.
7982 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7984 (FIRST_AUTO_NUMBERED_DUMP): New.
7985 (dump_register): Remove "num" parameter, assign it within the
7987 (get_dump_file_name): Modify template for dumps.
7988 * tree-dump.h (dump_register): Adjust prototype.
7989 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7990 (PROP_trees): Add PROP_gimple_lomp.
7991 (TODO_set_props): New.
7992 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7993 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7994 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7996 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7998 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7999 (sparc64-*-linux*): Likewise.
8000 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8001 * config/sparc/t-linux: New file.
8002 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8003 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8004 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8005 -m32 -mlong-double-128.
8007 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8008 * config/alpha/t-linux: New file.
8009 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8011 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8012 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8013 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8014 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8015 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8016 (CPP_ARCH32_SPEC): Remove.
8018 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8020 PR tree-optimization/26145
8021 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8024 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8027 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8028 >= 240000 when generating code for SOM runtime.
8029 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8030 to $$dyncall when generating code for SOM runtime..
8032 2006-02-07 Dirk Mueller <dmueller@suse.com>
8035 * doc/invoke.texi (-Wsequence-point): Update documentation
8036 that -Wsequence-point is implemented for C++ as well.
8038 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8040 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8041 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8042 (LIB_SPEC): Likewise.
8043 * doc/invoke.texi (SPARC options): Document -pthread.
8045 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8047 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8050 2006-02-07 Roger Sayle <roger@eyesopen.com>
8052 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8053 Correct comment describing BOOLEAN_TYPE.
8055 2006-02-07 Dirk Mueller <dmueller@suse.com>
8057 * c.opt: C++ frontend supports -Wdiv-by-zero.
8058 * c-opts.c (c_common_handle_option): Remove dead case.
8060 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8062 * configure.ac (TLS assembler check): Do not enable TLS by
8063 default on SPARC/Solaris before version 10.
8064 * configure: Regenerate.
8066 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8068 * doc/invoke.texi (xl-compat): Document conversion and support
8071 2006-02-07 Jeff Law <law@redhat.com>
8073 * tree-vrp.c (find_conditional_asserts): Update comments.
8074 (simplify_stmt_for_jump_threading): New.
8075 (identify_jump_threads, finalize_jump_threads): New.
8076 (vrp_finalize): Call identify_jump_threads.
8077 (execute_vrp): Call finalize_jump_threads.
8078 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8079 (vrp_element, vrp_data, vrp_element_p): Remove.
8080 (vrp_hash_elt, vrp_variables_stack): Remove.
8081 (vrp_hash, vrp_eq, record_range): Remove.
8082 (simplify_cond_and_lookup_avail_expr): Remove.
8083 (extract_range_from_cond): Remove.
8084 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8085 (simplify_stmt_for_jump_threading): New.
8086 (dom_thread_across_edge): New wrapper.
8087 (tree_ssa_dominator_optimize): No longer initialize or
8088 finalize any of the VRP datastructures. Remove iteration
8089 step and simplify as a result of removal of iteration step.
8090 (pass_dominator): Perform a cfg cleanup after DOM.
8091 (dom_opt_finalize_block): Use the new common routines
8092 for threading jumps. Simplify stack management slightly.
8093 No longer need to unwind VRP state.
8094 (record_equivalences_from_incoming_edge): No longer record
8096 (eliminate_redundant_computations): No longer call
8097 simplify_cond_and_lookup_avail_expr.
8098 * tree-flow.h (potentially_threadable_block): Prototype.
8099 (thread_across_edge): Likewise.
8100 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8101 (tree-ssa-threadedge.o): Add dependencies.
8102 * tree-ssa-threadedge.c: New file.
8103 * passes.c (init_optimization_passes): Merge PHIs before
8104 calling VRP. Run VRP again late in the SSA optimization pipeline.
8106 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8108 * df-core.c (df_set_blocks): Do not dereference function pointers.
8109 (df_finish1): Likewise.
8110 (df_hybrid_search_forward): Likewise.
8111 (df_hybrid_search_backward): Likewise.
8112 (df_iterative_dataflow): Likewise.
8113 (df_analyze_problem): Likewise.
8114 (df_compact_blocks): Likewise.
8115 (df_dump): Likewise.
8116 * df-scan.c (df_rescan_blocks): Likewise.
8117 (df_record_entry_block_defs): Likewise.
8119 * genconditions.c (write_conditions): Guard the definition of
8120 'insn_conditions' with the check on GCC version.
8121 (write_writer): Guard the traversal 'insn_conditions' with
8122 the check on GCC version.
8124 2006-02-07 Richard Guenther <rguenther@suse.de>
8128 2006-01-30 Richard Guenther <rguenther@suse.de>
8130 * gimplify.c (gimplify_target_expr): Handle easy cases
8131 without creating a temporary.
8133 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8135 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8136 use of float in probability computations. Use edge probabilities
8137 in place of statically computed probabilities.
8138 (min_spec_prob): New static variable.
8139 (schedule_insns): Initialize it.
8140 (GET_SRC_PROB): Removed.
8141 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8143 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8146 * config/ia64/unwind-ia64.c: Revert last change.
8147 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8148 (INCOMING_FRAME_SP_OFFSET): Define.
8150 2006-02-06 Roger Sayle <roger@eyesopen.com>
8152 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8154 2006-02-07 Ben Elliston <bje@au.ibm.com>
8156 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8157 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8158 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8159 (ix86_return_in_memory): Handle TDmode.
8160 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8161 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8163 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8165 * reorg.c (dbr_schedule): Use dump_file instead of file.
8167 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8170 * config/ia64/predicates.md (extr_len_operand): New predicate.
8171 * config/ia64/ia64.md (extv): Tighten constraints.
8173 (*tbit_and_2): Ditto.
8174 (*tbit_and_3): Ditto.
8175 (*tbit_or_2): Ditto.
8176 (*tbit_or_3): Ditto.
8180 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8183 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8185 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8187 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8188 loop_optimizer_init and loop_optimizer_finalize
8189 * tree-ssa-sink.c (execute_sink_code): Ditto.
8190 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8191 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8192 tree_ssa_loop_done): Ditto.
8193 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8194 * sched-ebb.c: Include output.h.
8195 (schedule_ebbs): Do not use dump argument.
8196 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8197 * loop.c (loop_dump_stream): Removed.
8198 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8200 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8201 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8202 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8203 loop_iterations, strength_reduce, record_biv, record_giv,
8204 final_giv_value, check_final_value, check_ext_dependent_givs,
8205 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8206 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8207 dump_file instead of loop_dump_stream.
8208 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8210 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8212 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8213 * haifa-sched.c: Include output.h
8214 (schedule_insns, sched_init): Do not use dump argument.
8215 * mode-switching.c (optimize_mode_switching): Ditto.
8216 * modulo-sched.c (stats_file): Removed.
8217 (print_node_sched_params): Do not call argument dump_file.
8218 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8219 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8221 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8223 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8224 rtl_loop_init, rtl_loop_done): Ditto.
8225 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8226 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8228 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8229 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8230 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8231 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8232 * emit-rtl.c (renumber_insns): Ditto.
8233 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8234 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8235 * regclass.c (regclass): Ditto.
8236 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8237 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8238 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8239 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8241 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8242 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8244 * gcse.c (gcse_file, debug_stderr): Removed.
8245 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8246 rest_of_handle_gcse): Do not use dump argument.
8247 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8248 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8249 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8250 compute_code_hoist_vbeinout, compute_code_hoist_data,
8251 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8252 compute_store_table, build_store_vectors, insert_insn_start_bb,
8253 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8254 store_motion): Use dump_file instead of gcse_file.
8255 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8256 * profile.c (profile_dump_file): Removed.
8257 (branch_prob): Use dump_file instead of profile_dump_file.
8258 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8260 * tree-ssa-copy.c (dump_copy_of): Ditto.
8261 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8262 dump file to life_analysis.
8263 * bt-load.c (branch_target_load_optimize): Ditto.
8264 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8266 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8267 regclass, dbr_schedule): Declaration changed.
8268 * sched-int.h (sched_init): Declaration changed.
8269 * tree-profile.c (tree_profile_dump_file): Removed.
8270 (tree_profile_hooks): Removed profile_dump_file hook.
8271 * rtl-profile (rtl_profile_dump_file): Removed.
8272 (rtl_profile_hooks): emoved profile_dump_file hook.
8273 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8275 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8276 * tree-cfg.c (build_tree_cfg): Ditto.
8277 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8278 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8279 Declaration changed.
8280 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8281 life_analysis and schedule_insns.
8282 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8284 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8286 * config/mips/mips.c (mips_reorg): Ditto.
8287 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8290 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8292 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8293 (s390_mangle_fundamental_type): New.
8294 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8297 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8298 (alpha_mangle_fundamental_type): New.
8299 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8302 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8304 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8306 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8307 (sparc_mangle_fundamental_type): New.
8309 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8311 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8312 (s390x-*-linux*): Likewise.
8313 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8314 * config/s390/t-linux: New file.
8316 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8318 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8319 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8321 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8323 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8324 (ANTIC_SAFE_LOADS): New macro.
8325 (find_or_generate_expression): Add prototype.
8326 (set_contains_value): Allow null set for sake of not always having
8327 to allocate ANTIC_SAFE_LOADS.
8328 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8329 Allow COMPONENT_REF too.
8330 (valid_in_set): Allow COMPONENT_REF.
8331 Check ANTIC_SAFE_LOADS too.
8332 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8333 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8335 (can_PRE_operation): Add COMPONENT_REF.
8336 (create_component_ref_by_pieces): New function.
8337 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8338 (insert_aux): Move AGGREGATE_TYPE_P check here.
8339 (compute_avail): Set bb local stmt uids.
8340 (pass_pre): Use TODO_update_ssa_only_virtuals.
8342 2006-02-06 Ben Elliston <bje@au.ibm.com>
8344 * configure.ac: Unconditionally disable decimal float by default.
8345 * configure: Regenerate.
8347 2006-02-06 Ben Elliston <bje@au.ibm.com>
8349 * read-rtl.c (read_name): Terminate reading on EOF.
8351 2006-02-06 Ben Elliston <bje@au.ibm.com>
8353 * dfp.c (decimal_real_arithmetic): Change second argument type
8354 from int to enum tree_code. Do not always return true, but now
8355 return result of any call to decimal_do helper functions.
8356 * dfp.h (decimal_real_arithmetic): Update prototype.
8358 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8360 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8362 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8365 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8368 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8370 * tree-vrp.c (cfg_loops): Removed.
8371 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8372 Use current_loops instead of cfg_loops. Pass flags to
8373 loop_optimizer_init.
8374 * cfgloopmanip.c (fix_loop_structure): Update only available
8376 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8377 loop_optimizer_init.
8378 * modulo-sched.c (build_loops_structure): Removed.
8379 (sms_schedule): Use loop_optimizer_init.
8380 * loop-init.c (loop_optimizer_init): Use flags to determine
8381 which properties of loops to prepare.
8382 (rtl_loop_init): Pass flags to loop_optimizer_init.
8383 * tree-ssa-sink.c (execute_sink_code): Ditto.
8384 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8385 * tree-ssa-pre.c (init_pre): Ditto.
8386 * cfgloop.h (LOOPS_NORMAL): New.
8387 (loop_optimizer_init): Declaration changed.
8389 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8391 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8392 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8394 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8396 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8398 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8399 * pa/t-pa64: Delete quadlib.c rule.
8400 * pa/x-ada: Revert last change.
8401 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8403 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8405 PR rtl-optimization/26087
8406 * rtlanal.c (canonicalize_condition): Do not cross basic block
8409 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8412 * config/ia64/ia64.c: Include debug.h.
8413 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8414 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8415 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8416 (process_epilogue, process_set, process_for_unwind_directive):
8417 Output unwind info only if requested. Add CFA info if requested.
8418 Add new arguments as needed. Adjust callers.
8419 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8421 (DWARF2_FRAME_INFO): Define to zero.
8422 * config/ia64/unwind-ia64.c: Remove code that compensated for
8423 the CFA offset error fixed above.
8424 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8425 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8426 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8427 -funwind-tables and -fexceptions to enable frame info.
8428 (dwarf2out_frame_init): Define initial CFA even if
8429 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8430 DWARF2_UNWIND_INFO is nonzero, not just defined.
8431 (dwarf2out_frame_finish): Output non-EH call frame info only
8432 if DWARF2_FRAME_INFO is nonzero.
8433 (convert_cfa_to_loc_list,
8434 compute_frame_pointer_to_cfa_displacement): Define even if
8435 unwind info is not supported.
8436 (gen_subprogram_die): Use the above unconditionally. Remove
8437 legacy alternate code.
8438 * toplev.c (compile_file): Compile in call to
8439 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8440 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8442 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8443 Jakub Jelinek <jakub@redhat.com>
8445 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8446 IBM extended float format long double as "g" on powerpc*-linux.
8448 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8451 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8452 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8454 2006-02-03 Jason Merrill <jason@redhat.com>
8457 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8460 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8461 on the return slot if it's an NRV.
8463 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8465 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8466 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8467 rewrite_use): Do not handle USE_OUTER.
8468 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8469 add_iv_outer_candidates, may_replace_final_value,
8470 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8471 (find_interesting_uses_op): Functionality of
8472 find_interesting_uses_outer_or_nonlin moved here.
8473 (find_interesting_uses_outside): Use find_interesting_uses_op.
8475 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8478 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8480 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8481 Ulrich Weigand <uweigand@de.ibm.com>
8484 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8485 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8486 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8487 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8489 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8490 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8491 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8492 Define secondary reloads for TFmode moves.
8493 (constant_modes): Add TFmode.
8494 (NR_C_MODES): Set to 8.
8495 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8497 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8498 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8499 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8500 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8501 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8502 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8503 (FPR mode macro): Add TFmode.
8504 (DSF mode macro): New.
8505 (<de>, <dee> mode attributes): Removed.
8506 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8507 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8508 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8509 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8510 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8511 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8512 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8513 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8514 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8515 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8516 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8517 "*negabs<mode>2", "sqrt<mode>2"):
8518 Changed <de> to <xde>. R constraint replaced by <Rf>.
8519 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8521 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8522 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8523 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8525 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8526 "extenddftf2", "extendsftf2"): New expanders.
8527 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8528 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8529 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8530 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8532 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8533 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8534 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8535 __floatditf): Add a GCC_4.1.0 symbol version tag.
8536 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8539 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8542 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8543 Use targetm.binds_local_p instead of TREE_PUBLIC.
8545 2006-02-02 Roger Sayle <roger@eyesopen.com>
8547 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8548 on INTEGER_TYPEs to indicate that it denotes a character type.
8549 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8550 signed_char_type_node, unsigned_char_type_node and char_type_node.
8551 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8552 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8553 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8555 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8556 Daniel Berlin <dberlin@dberlin.org>
8558 * tree-tailcall.c (arg_needs_copy_p): New function.
8559 (eliminate_tail_call): Use arg_needs_copy_p.
8560 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8561 (add_virtual_phis): New function.
8563 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8565 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8566 #ignore instead of #scratch for %g7 .register directive.
8568 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8570 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8573 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8575 * flow.c (calculate_global_regs_live): Assert that there aren't any
8578 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8580 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8582 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8583 bsi_after_labels iterator.
8584 * tree-if-conv.c (find_phi_replacement_condition,
8585 replace_phi_with_cond_modify_expr): Likewise.
8586 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8587 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8589 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8591 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8593 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8596 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8597 array after growing it.
8599 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8602 * fold-const.c (fold_checksum_tree): Change type of buf.
8604 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8606 * reload.c (push_secondary_reload): Initialize t_icode.
8608 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8610 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8611 -msoft-float -mlong-double-128 only issue a warning, but don't
8612 swich to DFmode long double.
8614 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8616 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8617 has a constant equivalent, iterate over equivalents for arg0,
8618 calling simplify_relational_operation and if there's a result
8619 cheaper than X, apply fold_rtx and return the result.
8621 2006-02-01 Jan Hubicka <jh@suse.cz>
8623 * opts.c (no_unit_at_a_time_default): New global variable.
8624 (decode_options): Use it.
8625 * opts.h (no_unit_at_a_time_default): Declare.
8627 2006-02-01 Paul Brook <paul@codesourcery.com>
8629 * function.c (assign_parm_setup_reg): Use function argument promotion
8631 * expr.c (expand_expr_real_1): Use function argument promotion rules
8634 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8636 * gcc.c (process_command): Change j to 'unsigned int'.
8638 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8641 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8642 Use the corrected index for the character
8643 out of the string constant.
8645 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8647 * mode-switching.c (optimize_mode_switching): Fix size
8648 allocated for bb_info[n_entities].
8650 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8652 * gcc.c (main): Correct type that is allocated for
8653 explicit_link_files.
8655 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8657 * config/s390/s390.c (init_alignment_context): Set
8658 ALIAS_SET_MEMORY_BARRIER on the MEM.
8659 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8661 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8664 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8666 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8669 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8671 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8672 * regrename.c: Ditto.
8673 * tree-ssa-loop-im.c: Ditto.
8674 * tree-dump.c: Ditto.
8675 * tree-complex.c: Ditto.
8676 * genrecog.c: Ditto.
8677 * tree-ssa-threadupdate.c: Ditto.
8679 * java/class.c: Ditto.
8680 * java/jcf-parse.c: Ditto.
8681 * java/resource.c: Ditto.
8682 * java/except.c: Ditto.
8683 * java/jvspec.c: Ditto.
8684 * java/jcf-write.c: Ditto.
8685 * java/jcf-path.c: Ditto.
8686 * java/gjavah.c: Ditto.
8687 * java/zextract.c: Ditto.
8688 * java/jcf-io.c: Ditto.
8689 * java/jcf.h: Ditto.
8690 * java/buffer.c: Ditto.
8691 * java/lang.c: Ditto.
8692 * java/parse-scan.y: Ditto.
8693 * java/lex.c: Ditto.
8694 * java/lex.h: Ditto.
8695 * cfgloopmanip.c: Ditto.
8696 * postreload-gcse.c: Ditto.
8697 * tree-ssa-loop-manip.c: Ditto.
8698 * postreload.c: Ditto.
8699 * tree-ssa-loop-ch.c: Ditto.
8703 * diagnostic.c: Ditto.
8705 * genoutput.c: Ditto.
8707 * cfghooks.c: Ditto.
8708 * cfgloopanal.c: Ditto.
8709 * objc/objc-act.c: Ditto.
8711 * genextract.c: Ditto.
8712 * genautomata.c: Ditto.
8713 * pretty-print.c: Ditto.
8715 * cgraphunit.c: Ditto.
8718 * haifa-sched.c: Ditto.
8719 * dominance.c: Ditto.
8721 * tree-ssa-loop-ivopts.c: Ditto.
8723 * mode-switching.c: Ditto.
8724 * modulo-sched.c: Ditto.
8726 * ipa-pure-const.c: Ditto.
8728 * fix-header.c: Ditto.
8730 * tree-stdarg.c: Ditto.
8731 * ipa-utils.c: Ditto.
8732 * loop-init.c: Ditto.
8733 * ipa-inline.c: Ditto.
8736 * alloc-pool.c: Ditto.
8737 * dwarf2out.c: Ditto.
8739 * genattrtab.c: Ditto.
8740 * tree-ssa-loop-ivcanon.c: Ditto.
8744 * fortran/gfortranspec.c: Ditto.
8746 * local-alloc.c: Ditto.
8747 * langhooks.c: Ditto.
8748 * function.c: Ditto.
8749 * tree-vectorizer.c: Ditto.
8751 * ipa-type-escape.c: Ditto.
8753 * tree-if-conv.c: Ditto.
8756 * tree-data-ref.c: Ditto.
8757 * loop-unroll.c: Ditto.
8758 * treelang/treetree.c: Ditto.
8761 * ggc-common.c: Ditto.
8763 * coverage.c: Ditto.
8765 * tree-cfgcleanup.c: Ditto.
8766 * tree-ssa-pre.c: Ditto.
8767 * cfgcleanup.c: Ditto.
8768 * loop-invariant.c: Ditto.
8770 * ipa-prop.c: Ditto.
8771 * print-tree.c: Ditto.
8772 * conflict.c: Ditto.
8773 * ggc-page.c: Ditto.
8774 * sched-deps.c: Ditto.
8775 * regclass.c: Ditto.
8776 * tree-object-size.c: Ditto.
8778 * bb-reorder.c: Ditto.
8779 * resource.c: Ditto.
8780 * var-tracking.c: Ditto.
8782 * df-problems.c: Ditto.
8783 * reg-stack.c: Ditto.
8786 * sched-rgn.c: Ditto.
8787 * tree-ssa-structalias.c: Ditto.
8788 * tree-ssa-reassoc.c: Ditto.
8789 * config/darwin-c.c: Ditto.
8790 * config/darwin.c: Ditto.
8791 * config/arm/arm.c: Ditto.
8793 * collect2.c: Ditto.
8796 2006-01-31 Nicolas Pitre <nico@cam.org>
8798 * arm.md (smaxsi3): Make aware of smax_m1.
8801 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8803 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8805 2006-01-31 Richard Guenther <rguenther@suse.de>
8807 * doc/invoke.texi (-msselibm): Document.
8808 * target.h (expand_library_builtin): New target hook.
8809 * builtins.c (expand_builtin): Use expand_library_builtin.
8810 (default_expand_library_builtin): New function.
8811 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8812 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8813 (link_gcc_math_spec): Declare.
8814 (static_specs): Add link_gcc_math_spec.
8815 * expr.h (default_expand_library_builtin): Declare.
8816 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8817 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8818 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8819 * config/i386/i386.opt (msselibm): New target option.
8820 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8821 (ix86_init_sse_abi_builtins): New function.
8822 (ix86_expand_library_builtin): Likewise.
8823 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8824 (override_options): Handle error conditions wrt -msselibm.
8825 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8826 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8827 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8830 2006-01-31 Richard Guenther <rguenther@suse.de>
8831 Paolo Bonzini <bonzini@gnu.org>
8833 * doc/install.texi (--disable-libgcc-math): Document.
8835 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8837 * expr.h (expand_normal): new inline function.
8838 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8840 * dwarf2out.c: use it.
8845 * config/sparc/sparc.c: use it.
8846 * config/i386/i386.c: use it.
8847 * config/rs6000/rs6000.c: use it.
8848 * config/arm/arm.c: use it.
8849 * config/mips/mips.c: use it.
8850 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8852 2006-01-30 Roger Sayle <roger@eyesopen.com>
8854 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8855 argv to the appropriate type.
8857 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8859 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8862 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8865 * config/s390/s390.c (struct machine_function): New flag
8866 decomposed_literal_pool_addresses_ok_p.
8867 (s390_reorg): Set it before final stage of literal pool transforms.
8868 (s390_decompose_address): Only accept displacements of the form
8869 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8871 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8873 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8874 the comparison routine return.
8876 2006-01-30 Michael Matz <matz@suse.de>
8878 * global.c (find_reg): Only evict for global regs.
8879 Take n_refs into account and dump more info.
8881 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8884 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8885 (pragma_trap, pragma_nosave_low_regs): Likewise.
8886 (current_function_anonymous_args): Likewise.
8887 (sh_deferred_function_attributes): New variable.
8888 (sh_deferred_function_attributes_tail): Likewise.
8889 (print_operand): For '@', look up trap_exit attribute.
8890 (calc_live_regs): Look up trapa_handler attribute. For trapa
8891 handlers, save/restore fpscr, but don't do any other
8892 interrupt-specific saves.
8893 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8894 Fix check for partially saved registers to check for SHmedia.
8895 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8896 (sh_output_function_epilogue): Don't clear any of the removed
8898 (sh_insert_attributes): Don't check pragma_interrupt.
8899 Insert deferred attributes. Check that interrupt attribute is
8900 present for other attributes that require its presence.
8901 (sh_attribute_table): Add new attributes trapa_handler and
8903 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8904 Don't check for pragma_interrupt. Don't store argument.
8905 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8906 (sh_deferred_function_attributes): Declare.
8907 (sh_deferred_function_attributes_tail): Likewise.
8908 * sh.md (sp_switch_1): Add operand. Change generator caller.
8909 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8910 (*return_i): Don't use when trap_exit attribute is in effect.
8911 (*return_trapa): New insn pattern.
8913 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8914 setting c_target_objs and cxx_target_objs.
8915 * t-sh: Add rule for sh-c.o.
8917 2006-01-30 Richard Guenther <rguenther@suse.de>
8920 * gimplify.c (gimplify_target_expr): Handle easy cases
8921 without creating a temporary.
8923 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8925 * vec.h (safe_grow): Remove duplicated line.
8927 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8930 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8931 (expand_omp): ... here.
8932 (expand_omp_parallel): Only remove barriers for combined
8933 parallel+workshare constructs.
8935 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8939 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8940 * tree.c (build_qualified_type): Chain the new type to the original
8941 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8942 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8943 (build_pointer_type_for_mode): Only return unqualified types.
8944 (build_reference_type_for_mode): Likewise.
8946 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8948 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8949 * Makefile.in (CXX_COMPAT_WARN): Define.
8950 * configure: Regenerate.
8952 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8955 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8958 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8960 * toplev.c: Fix thinko.
8962 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8963 Marcin Dalecki <martin@dalecki.de>
8965 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8966 (push_srcloc): Use XNEW.
8967 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8969 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8971 * df-core.c (df_set_blocks): Deleted all variable.
8973 2006-01-28 Ian Lance Taylor <ian@airs.com>
8975 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8976 cgraph_output_pending_asms.
8978 2006-01-28 Zack Weinberg <zackw@panix.com>
8980 * c.opt: Add -W(no-)overlength-strings.
8981 * doc/invoke.texi: Document it.
8982 * c-opts.c (c_common_handle_option): -pedantic implies
8983 -Woverlength-strings, if not explicitly disabled already.
8984 (c_common_post_options): -Woverlength-strings defaults to off, and
8985 is always off for C++.
8986 * c-common.c (fix_string_type): Issue warning about strings longer
8987 than is portable only if warn_overlength_strings. Rearrange code
8988 a little for clarity.
8989 * configure.in: Check for -Wno-overlength-strings as well before
8990 enabling -pedantic in stage 1.
8991 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8992 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8994 * genconditions.c (write_header, write_one_condition)
8995 (write_conditions, write_writer): Consolidate very long strings
8996 that were broken up to fit in C89 portable limit. Don't use
8997 printf when fputs will do.
8999 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9001 * combine.c (simplify_comparison <AND>): Check
9002 TRULY_NOOP_TRUNCATION before start using a subreg.
9004 * config/mips/mips.md (*branch_zero<mode>,
9005 *branch_zero<mode>_inverted, *branch_equality<mode>,
9006 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9007 Remove mode check from comparisons.
9009 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9011 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9013 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9015 * expmed.c (const_mult_add_overflow_p): Remove.
9016 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9018 * recog.c (validate_replace_rtx_subexp): Remove.
9019 * recog.h: Remove the prototype for
9020 validate_replace_rtx_subexp.
9022 * integrate.h: Remove the prototype for
9023 copy_decl_for_inlining.
9024 * rtl.h: Remove the prototype for mark_constant_function.
9025 * tree-vectorizer.h: Remove the prototype for
9026 vect_strip_conversion.
9028 * modulo-sched.c (create_partial_schedule,
9029 free_partial_schedule, reset_partial_schedule): Make them
9032 * hooks.c (hook_bool_rtx_int_false): Remove.
9033 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9035 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9037 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9038 and -mlong-double-128 are incompatible.
9039 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9040 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9041 (TARGET_LIBGCC2_CFLAGS): Define.
9042 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9043 (TARGET_LIBGCC2_CFLAGS): Same.
9044 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9046 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9049 * c-typeck.c (build_binary_op): Perform implicit casts of
9050 operands before shortening them.
9052 * cfgloopmanip.c (split_loop_bb): Remove.
9053 * cfgloop.h: Remove the prototype for split_loop_bb.
9055 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9056 * cfgloop.h: Remove the prototype for
9057 flow_loop_outside_edge_p.
9059 * emit-rtl.c (init_virtual_regs): Make it static.
9060 * function.h: Remove the prototype for init_virtual_regs.
9062 * recog.c (peephole2_optimize): Make it static.
9063 * recog.h: Remove the prototype for peephole2_optimize.
9065 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9067 * df-scan.c (df_record_entry_block_defs): Check if
9068 INCOMING_RETURN_ADDR_RTX is defined.
9070 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9071 Kenneth Zadeck <zadeck@naturalbridge.com>
9073 PR rtl-optimization/24762
9074 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9075 * targhooks.c (hook_void_bitmap): New hook prototype.
9076 * targhoohs.h (hook_void_bitmap): Ditto.
9077 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9078 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9079 * target.h (live_on_entry): New function pointer.
9080 * df-scan.c (df_all_hard_regs): Removed.
9081 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9082 (df_scan_free_internal): Added df->entry_block_defs.
9083 (df_scan_alloc): Ditto.
9084 (df_scan_dump): Ditto.
9085 (df_uses_record): Plumbed flag field properly thru calls.
9086 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9087 This part fixes PR24762.
9088 (df_bb_refs_record): Added code to make the frame and arg
9089 pointers live in EH blocks.
9090 (df_refs_record): Added call to df_record_entry_block_defs.
9091 (df_record_entry_block_defs): New function.
9092 * df-core.c: Added comments to describe new artifical defs.
9093 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9094 (entry_block_defs): New field in struct df.
9095 (df_all_hard_regs): Deleted.
9096 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9097 * df-problems.c (df_ru_bb_local_compute_process_def):
9098 Added code to handle artifical defs in the entry to a function.
9099 (df_ru_bb_local_compute): Ditto.
9100 (df_rd_bb_local_compute_process_def): Ditto.
9101 (df_rd_bb_local_compute): Ditto.
9102 (df_lr_bb_local_compute): Ditto.
9103 (df_ur_bb_local_compute): Ditto.
9104 (df_urec_bb_local_compute): Ditto.
9105 (df_chain_create_bb): Ditto.
9106 (df_ur_local_finalize): Removed entry.
9107 (df_urec_init): Ditto.
9108 (df_urec_local_finalize): Ditto.
9109 (df_ri_bb_compute): Added detection of last use of pseudos.
9110 * Makefile.in (df-scan.o): Updated dependencies.
9111 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9112 * config/mips/mips.c (mips_set_live_on_entry): Added.
9113 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9115 * dce.c (marked_insn_p): Added code to handle artifical defs.
9117 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9119 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9121 (_mm_cvtsi128_si64): Likewise.
9122 (_mm_cvtsd_si64): Likewise.
9123 (_mm_cvttsd_si64): Likewise.
9124 (_mm_cvtsi64_sd): Likewise.
9125 (_mm_cvtsi64_si128): Likewise.
9126 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9127 (_mm_cvtsi64_m64): Likewise.
9128 (_m_to_int64): Likewise.
9129 (_mm_cvtm64_si64): Likewise.
9130 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9131 (_mm_cvttss_si64): Likewise.
9132 (_mm_cvtsi64_ss): Likewise.
9133 (_mm_cvtss_f32): Likewise.
9135 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9137 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9138 for pragma redefine_extname.
9140 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9143 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9144 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9145 -mno-minimal-toc to previous content.
9146 (bispecs): Remove goal.
9147 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9148 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9149 compatibility aliases on powerpc-*-*gnu*.
9150 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9151 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9152 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9153 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9154 (ldblspecs): New goal.
9155 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9156 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9158 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9159 L_sf_to_tf or L_df_to_tf is defined.
9161 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9162 Alan Modra <amodra@bigpond.net.au>
9165 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9166 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9167 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9168 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9169 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9170 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9171 (rs6000_override_options): Initialize rs6000_ieeequad.
9172 Initialize TFmode format to ibm_extended_format if not
9174 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9176 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9177 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9178 (function_arg_advance): IBM long double passed in two FPRs, not
9180 (function_arg): IBM long double passed in FPRs.
9181 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9182 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9183 Only multireg GPR aligned.
9184 (rs6000_init_libfuncs): Enable IBM long double functions if not
9186 (rs6000_generate_compare): Use IBM long double compare if not
9188 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9189 (TARGET_IEEEQUAD): Define.
9190 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9191 not TARGET_IEEEQUAD.
9192 * config/rs6000/rs6000.md: Enable TFmode patterns if
9194 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9195 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9196 and -mlong-double-128 are incompatible.
9197 * doc/invoke.texi (-mabi): Collect options together. Add
9198 ibmlongdouble and ieeelongdouble.
9200 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9202 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9204 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9205 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9206 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9207 * rtl.h (rtunion_def): Remove rt_ptr.
9209 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9210 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9211 * config/i386/winnt.c (i386_pe_mark_dllexport)
9212 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9214 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9216 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9218 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9222 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9223 pthread_key_delete. From John David Anglin. gthrw-ify
9224 pthread_getunique_np only if it it's not a macro. Delete
9226 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9227 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9228 __gthread_objc_condition_signal, __gthread_key_delete): Add
9229 "__attribute__ ((__unused__))" to unused arguments.
9230 (__gthread_recursive_mutex_init_function): Add missing return.
9231 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9232 gthr-posix95.h: Use macro-based approach for name redirection
9233 on targets missing weakref.
9235 2006-01-26 Zack Weinberg <zackw@panix.com>
9237 * genconditions.c (write_header): In generated code, #ifdef out
9238 all includes and fake declarations, except includes of bconfig.h
9239 and system.h, unless GCC_VERSION >= 3001. Do not include
9240 gensupport.h in any case.
9241 (write_conditions): Generate a definition of struct c_test. Add
9242 a comment to the generated #endif.
9243 (write_one_condition): Escape backslashes in string too.
9244 (write_writer): Generated code must escape backslashes and quote
9245 marks (but not newlines) in the strings it writes.
9246 * Makefile.in (build/gencondmd.o): Update dependencies.
9248 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9251 * Makefile.in (insn-automata.o): Add header file dependencies.
9252 * genautomata.c: Add includes.
9254 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9257 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9259 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9261 * configure.ac: Expect target tools paths to be passed from the toplevel
9262 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9264 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9266 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9269 * c.opt (Wpointer-sign): Init to -1.
9270 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9271 OPT_pedantic, to 0 otherwise.
9272 * doc/invoke.texi: Update.
9274 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9276 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9277 constants provided by 80387 instructions in the destination mode.
9279 2006-01-26 Richard Guenther <rguenther@suse.de>
9280 Andrew Pinski <pinskia@physics.uc.edu>
9283 partial PR tree-opt/17064
9284 * tree-ssa-structalias.c (intra_create_variable_infos):
9285 Create heap variables for incoming parameters if
9286 flag_argument_noalias > 1.
9287 (find_what_p_points_to): Look through default defs of
9290 2006-01-26 Jeff Law <law@redhat.com>
9293 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9294 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9295 within the VR_RANGE, use the VR_RANGE as the result, not the
9297 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9298 bounds for the type.
9300 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9302 * tree-ssa-alias.c (maybe_create_global_var): Change
9303 subvar walking to an assertion that we don't have subvar'd variables.
9305 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9308 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9309 Use a new variable, inner. PARM_DECLs are always non-weak.
9311 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9313 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9316 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9318 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9320 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9322 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9323 (smax_insn, smin_insn, smax_0, smin_0): New.
9325 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9328 * config/cris/cris.c (cris_order_for_addsi3): New function.
9329 * config/cris/cris-protos.h: Prototype it.
9330 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9331 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9332 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9333 (split for "op.S1 [rx=rx+i],ry (swapped)")
9334 (split for "op(s|u).S1 [rx=rx+i],ry")
9335 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9336 Apply cris_order_for_addsi3 when generating addsi3 insns.
9338 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9340 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9341 (TREE_BLOCK): Add call to EXPR_CHECK.
9343 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9346 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9347 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9348 (dump_omp_clauses): ... here.
9349 (dump_generic_node): Handle OMP_CLAUSE.
9350 * tree.c (omp_clause_num_ops): New.
9351 (omp_clause_code_name): New.
9352 (tree_code_size): Handle OMP_CLAUSE.
9353 (tree_size): Likewise.
9354 (make_node): Document handling of OMP_CLAUSE.
9355 (tree_node_structure): Handle OMP_CLAUSE.
9356 (omp_clause_check_failed): New.
9357 (omp_clause_range_check_failed): New.
9358 (omp_clause_operand_check_failed): New.
9359 (build_omp_clause): New.
9360 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9361 * tree.h (enum omp_clause_code): Declare.
9362 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9363 (OMP_CLAUSE_RANGE_CHECK): Define.
9364 (OMP_CLAUSE_ELT_CHECK): Define.
9365 (omp_clause_check_failed): Declare.
9366 (omp_clause_operand_check_failed): Declare.
9367 (omp_clause_range_check_failed): Declare.
9368 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9369 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9370 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9371 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9372 (OMP_CLAUSE_IF_EXPR): Likewise.
9373 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9374 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9375 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9376 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9377 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9378 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9379 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9380 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9381 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9382 (OMP_CLAUSE_CODE): Define.
9383 (OMP_CLAUSE_SET_CODE): Define.
9384 (OMP_CLAUSE_CODE): Define.
9385 (OMP_CLAUSE_OPERAND): Define.
9386 (struct tree_omp_clause): Declare.
9387 (union tree_node): Add field 'omp_clause'.
9388 * treestruct.def (TS_OMP_CLAUSE): Define.
9389 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9390 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9391 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9392 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9393 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9394 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9395 (OMP_CLAUSE): Define.
9396 * print-tree.c (print_node): Handle OMP_CLAUSE.
9397 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9398 * c-typeck.c: Likewise.
9399 * gimplify.c: Likewise.
9400 * c-omp.c: Likewise.
9401 * tree-nested.c: Likewise.
9402 * tree-inline.c: Likewise.
9403 * c-parser.c: Likewise.
9404 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9407 2006-01-25 Roger Sayle <roger@eyesopen.com>
9409 PR rtl-optimization/25703
9410 * combine.c (try_combine): Handle zero_extract and strict_low_part
9411 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9413 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9415 * global.c: Fix comment typos.
9417 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9420 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9421 Use output_addr_const instead of assemble_name.
9423 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9425 * Makefile.in (sched-vis.o): Update dependencies.
9426 * haifa-sched.c (sched_finish): Clear current_sched_info.
9427 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9428 (dump_flow_info): Call it.
9429 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9431 * basic-block.h (dump_bb_info): Declare.
9432 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9433 option, and apply options only for dump files whose TDF_RTL,
9434 TDF_TREE, or TDF_IPA bits match.
9435 * rtl.h: Declare new functions exported from sched-vis.c.
9436 * sched-vis.c: Enable also if scheduling is not used.
9437 (print_value): Print the mode of registers if not inside scheduling.
9438 (print_insn): Make it work outside the scheduler. Beautify the output
9440 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9442 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9444 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9445 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9446 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9447 depending on the value of CONSTANT_POOL_ADDRESS_P.
9448 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9450 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9451 rather than SYMBOL_REF_DECL.
9452 (rtx_constant_pool): Remove const_rtx_sym_htab.
9453 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9454 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9455 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9456 Remove handling of const_rtx_sym_htab.
9457 (find_pool_constant): Delete.
9458 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9459 rather than find_pool_constant.
9460 (get_pool_constant_for_function): Delete.
9461 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9463 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9464 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9465 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9466 (SYMBOL_REF_CONSTANT): New macro.
9467 (get_pool_constant_for_function): Delete.
9468 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9469 rather than SYMBOL_REF_DECL.
9470 (i386_pe_mark_dllimport): Likewise.
9471 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9472 rather than SYMBOL_REF_DECL.
9473 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9474 (machopic_indirect_call_target): Likewise.
9476 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9478 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9480 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9482 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9484 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9486 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9488 2006-01-24 David Daney <ddaney@avtrex.com>
9491 * configure.ac (enable_tls): New enable option.
9492 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9493 * configure: Regenerate.
9494 * doc/install.texi (--enable-tls): Document new option.
9495 (--disable-tls): Ditto.
9497 2006-01-24 Richard Henderson <rth@redehat.com>
9499 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9500 * alias.c (true_dependence): Respect it.
9501 (canon_true_dependence, write_dependence_p): Likewise.
9502 * builtins.c (get_builtin_sync_mem): Set it.
9504 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9506 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9509 2006-01-24 DJ Delorie <dj@redhat.com>
9511 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9512 for storing constants in single-bit bitfields.
9514 2006-01-25 Ben Elliston <bje@au.ibm.com>
9516 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9518 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9521 * tree-ssa-pre.c (phi_translate): Return NULL
9522 for AGGREGATE_TYPE's.
9524 2006-01-24 Zack Weinberg <zackw@panix.com>
9526 * genautomata.c (process_state_for_insn_equiv_partition):
9527 Use xcalloc for insn_arcs_array.
9528 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9529 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9531 2006-01-24 Richard Henderson <rth@redhat.com>
9533 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9536 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9538 PR rtl-optimization/25890
9539 PR rtl-optimization/25905
9540 * combine.c (expand_compound_operation, expand_field_assignment):
9541 Fail if the bitfield's final position is out of bounds.
9543 2006-01-24 Ian Lance Taylor <ian@airs.com>
9546 * cgraphunit.c (cgraph_output_in_order): Don't clear
9547 cgraph_asm_nodes until after asm strings have been output.
9549 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9551 * fix-header.c (read_scan_file): Add new parameter imultilib when
9552 calling register_include_chains.
9554 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9556 * omp-low.c: Update documentation.
9558 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9559 Daniel Berlin <dberlin@dberlin.org>
9563 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9564 return from the function.
9566 2006-01-22 Zack Weinberg <zackw@panix.com>
9568 * rtl.def (match_code): Add second argument.
9569 * genpreds.c (write_extract_subexp): New function.
9570 (write_match_code): Add path argument. Use write_extract_subexp.
9571 (write_predicate_expr): Pass path to write_match_code.
9572 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9573 not perform a mode test.
9574 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9575 a subexpression does not constrain the top-level code set.
9576 * read-rtl.c (read_rtx_variadic): New function.
9577 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9578 * doc/md.texi: Document new notation.
9579 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9580 (cmpsi_operand): ... here, using new notation.
9582 2006-01-22 Zack Weinberg <zackw@panix.com>
9584 * varray.c: Remove GENERATOR_FILE #ifdefs.
9586 2006-01-22 Zack Weinberg <zackw@panix.com>
9588 * genautomata.c (output_reserved_units_table): Emit nothing if
9589 description->query_units_num is zero. Remove extra blank line.
9590 (output_cpu_unit_reservation_p): Short circuit
9591 if description->query_units_num is zero.
9593 2006-01-22 Zack Weinberg <zackw@panix.com>
9595 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9596 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9597 nor any of the random handful of variables that used to be necessary
9598 when this program was linked with rtlanal.o. Prune set of forward
9599 function declarations.
9600 (struct attr_desc): Remove static_p field.
9601 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9602 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9603 (attr_string): Do not read the character one past the length of
9605 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9606 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9607 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9608 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9609 (make_automaton_attrs): New.
9610 (main): Do not call into genautomata. Call local gen_bypass
9611 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9612 Remove special case for insn_alts.
9613 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9614 varray.h (leftover from previous change). Prune set of forward
9615 function declarations. Remove state_alts fields from all
9616 structures. Remove state_alts_table from struct automaton.
9617 Make everything except main static. Do not maintain num_dfa_decls.
9618 Do not maintain state_alts fields of various structures.
9619 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9620 (add_arc): Remove state_alts argument. All callers updated.
9621 (output_reserved_units_table): Emit #ifdef here...
9622 (output_tables): ...not here. Don't generate state_alts tables.
9623 (expand_automata): Don't generate attributes.
9624 (write_automata): Don't generate state_alts functions.
9625 (main): New function.
9626 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9627 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9628 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9629 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9630 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9631 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9632 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9633 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9635 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9636 * genattrtab.h: Delete file.
9637 * Makefile.in (OBJS-common): Add insn-automata.o.
9638 (insn-automata.o): New rule.
9639 (simple_generated_c): Add insn-automata.c.
9640 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9641 (genprogmd): Add automata.
9642 (build/genattrtab): Needs no extra objects nor libraries.
9643 (build/genautomata): Needs build/vec.o and -lm.
9645 2006-01-22 Zack Weinberg <zackw@panix.com>
9647 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9648 (output_dfa_max_issue_rate, locked_states_num): Delete.
9649 (struct automaton): Add locked_states field.
9650 (output_dead_lock_vect): Save number of locked states in
9651 automaton->locked_states. If it is zero, don't print anything.
9652 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9653 (output_internal_dead_lock_func): Only test the dead_lock_vect
9654 for automata that have locked states.
9655 (output_statistics): Always print the number of locked states for
9656 each automaton. Calculate total number of locked states here.
9657 (write_automata): Don't call output_dfa_max_issue_rate.
9658 * genattrtab.c: Define length_unit_log as a const variable.
9659 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9660 max_insn_queue_index const.
9661 * final.c (length_unit_log): Declare const.
9662 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9664 2006-01-22 Zack Weinberg <zackw@panix.com>
9666 * genautomata.c: Include vec.h, not varray.h.
9667 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9668 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9669 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9670 VEC_* macros operating on appropriately typed vectors, or to
9671 malloced arrays when the size is known in advance. Const-ify
9672 many char* variables and function arguments. No functional changes.
9673 * Makefile.in (build/varray.o): Delete rule.
9674 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9675 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9677 2006-01-22 Zack Weinberg <zackw@panix.com>
9679 * gensupport.c: Define get_insn_name and record_insn_name here.
9680 (read_md_rtx): Call record_insn_name as appropriate.
9681 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9682 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9683 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9685 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9686 (BUILD_VARRAY): Delete.
9687 (genprognormal): Rename genprogmd. Fold in all programs from
9688 genprognoprint; also attrtab.
9689 (build/genattrtab): Just mention genautomata.o and varray.o.
9690 Reorganize a bit, add comments to make the categories clearer.
9692 2006-01-22 Zack Weinberg <zackw@panix.com>
9694 * genconditions.c (condition_table, add_condition): Delete.
9695 (write_conditions): Don't emit n_insn_conditions nor
9696 insn_elision_unavailable. Issue the gcc version #ifdef here,
9697 inside the table, with no #else clause ...
9698 (write_header): ...not here.
9699 (write_writer): New function.
9700 (main): Don't initialize condition_table. Use add_c_test.
9702 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9703 files on the command line.
9704 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9705 Return -1 if there is no entry in the table, don't abort.
9706 (add_c_test, traverse_c_tests): New functions.
9707 * gensupport.h (insn_elision_unavailable, insn_conditions)
9708 (n_insn_conditions): Delete declarations.
9709 (add_c_test, traverse_c_tests): Declare.
9710 * read-rtl.c: Include gensupport.h.
9711 (read_conditions): New function.
9712 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9713 (read_rtx_1): If we get EOF when we were looking for an initial
9714 open paren, return 0. Call read_conditions when appropriate.
9715 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9716 dummy-conditions.o. Eliminate references to insn-conditions.o,
9717 or change them to build/gencondmd.o, as appropriate. Remove
9718 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9719 from $(simple_generated_c). For all files remaining in those
9720 two lists, add insn-conditions.md to the generator command line.
9721 Give insn-constants.h/s-constants their own rules. Add rules
9722 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9723 (build/read-rtl.o): Depend on gensupport.h.
9724 (genprognormal): Include preds.
9725 (genprogearly): Rename genprognoprint; only difference is now that
9726 they don't link with $(BUILD_PRINT).
9727 * dummy-conditions.c: Delete.
9729 2006-01-22 Zack Weinberg <zackw@panix.com>
9731 * genextract.c: Don't include insn-config.h. Do include vec.h.
9732 Declare vectors of int, char, and locstr.
9733 (locstr): New typedef.
9734 (struct extraction): Make all array fields into bare pointers.
9735 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9736 (insn_code_number): Delete.
9737 (accum_extract): New struct.
9738 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9739 (gen_insn): Take insn_code_number as an argument. Use an
9740 accum_extract structure instead of loading data directly into
9741 a struct extraction, and having to know how big it might get.
9742 (walk_rtx): Operate entirely on an accum_extract structure.
9743 (print_path): Avoid unnecessary use of printf.
9744 (print_header): New function, split out of main. Distinguish
9745 more carefully between an unrecognizable insn and an insn that
9746 has the code number of a define_expand.
9747 (main): Pass insn_code_number to gen_insn. Call print_header
9748 only after parsing. Avoid unnecessary use of printf.
9749 * Makefile.in (build/vec.o): New rule.
9750 (build/genextract): Depend on build/vec.o.
9751 (build/genextract.o): Don't depend on insn-config.h.
9753 2006-01-22 Zack Weinberg <zackw@panix.com>
9755 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9756 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9757 practical. Eliminate per-generator-program link rules.
9759 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9762 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9763 with a call expr to ...
9764 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9766 2006-01-23 Richard Guenther <rguenther@suse.de>
9768 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9769 before make_edge with conditional EDGE_TRUE_VALUE.
9771 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9772 Jan Hubicka <jh@suse.cz>
9773 Richard Guenther <rguenther@suse.de>
9775 PR rtl-optimization/25654
9776 * cfgexpand.c (aggregate_contains_union_type): New function.
9777 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9778 for structure variables that contain a union type.
9780 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9782 * gengtype.c (new_structure): Return the structure.
9783 (create_option): Add an extra "next" argument.
9784 (create_field): New function.
9785 (adjust_field_rtx_def): Use create_option and create_field.
9786 Remove a now-unnecessary call to find_structure.
9787 (adjust_field_tree_def): Likewise.
9788 (note_yacc_type): Remove an unnecessary call to find_structure.
9789 * gengtype.h (new_structure): Return the structure.
9790 (create_option): Add an extra argument.
9791 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9792 (option): Adjust calls to create_option.
9794 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9796 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9798 2006-01-22 Paul Brook <paul@codesourcery.com>
9799 Peter Barada <peter@the-baradas.com>
9801 * config/m68k/m68k.md: Add Coldfire FPU support.
9802 Define FP mode macro and associated attributes.
9803 Use it for float mode patterns.
9804 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9805 (LIBCALL_VALUE): Use m68k_libcall_value.
9806 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9807 (m68k_function_value): Ditto.
9808 (emit_move_sequence): Ditto.
9809 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9810 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9811 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9812 (MULTILIB_EXCEPTIONS): Ditto.
9813 * config/m68k/m68k.opt: Add mcfv4e.
9814 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9815 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9816 (m68k_output_function_prologue): Save ColdFire FPU registers.
9817 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9818 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9819 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9820 ColdFire FPU registers.
9821 (m68k_libcall_value, m68k_function_value): New functions.
9822 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9823 (LIBCALL_VALUE): Use m68k_libcall_value.
9824 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9825 (MASK_COLDFIRE): Add MASK_CFV4E.
9826 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9827 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9828 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9829 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9830 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9831 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9832 * doc/invoke.tex: Document -mcfv4e on m68k.
9834 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9836 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9839 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9842 * c-opts.c (c_common_handle_option): Don't include
9843 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9844 * doc/invoke.texi (C++ Dialect Options): Document that
9845 -Wnon-virtual-dtor is no longer included in -Wall.
9847 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9849 * gcov.c (print_version), gcov-dump.c (print_version),
9850 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9853 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9855 * df-scan.c (problem_SCAN): Added NULL reset function.
9856 (df_scan_reset_blocks): Added code to call reset block function
9857 (df_bb_refs_delete) Fixed comment.
9858 (df_insn_refs_delete): Made tolerant of deleting non existent info
9859 for dataflow problems that need to be reset.
9860 * df-core.c (df_set_blocks): Ditto.
9861 * df.h (struct df_problem): Added reset_fun.
9862 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9863 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9864 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9865 functions to clear out all references to def-use or use-def chains.
9867 2006-01-21 Ben Elliston <bje@au.ibm.com>
9869 * varasm.c (assemble_real): Initialise data array.
9871 2006-01-20 Paul Brook <paul@codesourcery.com>
9873 Merge from csl-arm-branch.
9874 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9875 * config/arm/arm.md (movdi): Force operands[1] to a register
9876 if we have a non-register source.
9877 (*arm_movdi, *movdf_soft_insn): Require that one of the
9878 operands be a register.
9879 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9880 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9882 2006-01-20 DJ Delorie <dj@redhat.com>
9884 * varasm.c (initialize_constant_valid_p): Allow pointers
9885 initialized from integer constants of lesser precision.
9886 (output_constant): Allow non-int-sized pointer modes to be
9887 initialized from integer constants.
9889 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9892 * cppdefault.h (struct default_include): Add multilib flag.
9893 * cppdefault.c (cpp_include_defaults): Set it.
9894 * c.opt (-imultilib): New option.
9895 * c-opts.c (imultilib): New.
9896 (c_common_handle_option): Handle -imultilib.
9897 (c_common_post_options): Likewise.
9898 * c-incpath.c (add_standard_paths, register_include_chains):
9900 * c-incpath.h (register_include_chains): Add extra parameter.
9901 * gcc.c (do_spec_1): Generate -imultilib option.
9902 (The Specs Language): Update %I description.
9903 (process_command): Update copyright notice.
9904 * doc/cppopts.texi (-imultilib): Document.
9905 * doc/invoke.texi (-imultilib): Include in option summary.
9906 (%I): Update specs documentation.
9908 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9910 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9912 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9914 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9917 2006-01-20 Richard Guenther <rguenther@suse.de>
9918 Steven Bosscher <stevenb.gcc@gmail.com>
9920 PR rtl-optimization/24626
9921 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9922 EDGE_TRUE_VALUE if in RTL mode.
9925 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9926 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9928 2006-01-20 Dirk Mueller <dmueller@suse.com>
9931 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9932 instead of a special NOP marker.
9933 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9934 NOP marker handling.
9935 * c-common.h (empty_body_warning): Add forward declaration.
9936 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9937 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9939 2006-01-20 Paul Brook <paul@codesourcery.com>
9941 * Makefile.in (lang_checks): Keep going if mkdir fails.
9943 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9945 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9946 be able to clean out basic block when not necessary.
9947 (df_scan_free): Fixed to properly delete information if df is
9948 unused before calling df_finish.
9949 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9950 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9952 (df_bb_refs_delete): New function.
9953 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9954 * df-core.c (df_set_blocks): Added code to properly clean out
9955 unused blocks if they are not part of the blocks to consider.
9956 Added additional null check.
9957 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9958 be able to clean out basic block when not necessary
9959 * df.h (df_free_bb_function): Ditto.
9960 (df_bb_refs_delete): New function.
9961 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9962 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9963 basic block parameter to be able to clean out basic block when not
9965 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9966 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9967 Fixed to properly delete information if df is unused before
9970 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9972 PR rtl-optimization/25799
9973 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9974 Corrected confluence operator to remove bits from op2 before oring
9975 with op1 rather than removing bits from op1.
9976 (df_ru_transfer_function): Corrected test on wrong bitmap which
9977 caused infinite loop. Both of these problems were introduced in
9978 the dataflow rewrite.
9980 2006-01-19 DJ Delorie <dj@redhat.com>
9982 * reload1.c (find_reload_regs): Note the details of reload
9983 failures in the dump file.
9984 (spill_failure): Likewise.
9986 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9988 * loop-iv.c: Include df.h and hashtab.h.
9989 (enum iv_grd_result): New enum.
9990 (DF_REF_IV, DF_REF_IV_SET): New macros.
9991 (struct biv_entry): New.
9992 (df, bivs): New global variables.
9993 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9994 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9996 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9997 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9998 analyzed_for_bivness_p, record_biv): New functions.
9999 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10000 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10001 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10003 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10005 (iv_number_of_iterations): Use new interface to iv analysis.
10006 * loop-unroll.c: Do not include varray.h.
10007 (analyze_iv_to_split_insn): Use new interface to iv
10009 * loop-unswitch.c (may_unswitch_on): Ditto.
10010 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10012 (df_bb_modify): Realloc tables to the new index.
10013 (df_find_use): New function.
10014 * df.h (df_find_use): Declare.
10015 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10017 * cfgloop.h (struct rtx_iv): Remove analysed field.
10018 (iv_get_reaching_def): Removed.
10019 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10020 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10021 (loop-iv.o): Add df.h and hashtab.h dependency.
10022 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10024 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10027 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10029 (__floatundisf, __floatundidf): Likewise.
10030 * libgcc2.h (IS_IBM_EXTENDED): Define.
10032 2006-01-19 DJ Delorie <dj@redhat.com>
10034 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10036 2006-01-19 Paul Brook <paul@codesourcery.com>
10038 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10039 as nothrow when unwinding tables are disabled.
10041 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10044 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10045 of bit-field" when in system header.
10047 2006-01-19 DJ Delorie <dj@redhat.com>
10049 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10050 the 16 bit shift limit of the m16c.
10052 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10055 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10056 * config/i386/i386.c (output_set_got): Output the label if we have one
10057 for the TARGET_DEEP_BRANCH_PREDICTION case.
10059 2006-01-19 Jan Hubicka <jh@suse.cz>
10060 H.J. Lu <hongjiu.lu@intel.com>
10061 Evandro Menezes <evandro.menezes@amd.com>
10063 * invoke.texi (generic): Document
10065 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10066 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10067 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10068 (x86_use_incdec, x86_pad_returns): New variables
10069 (TARGET_CPU_DEFAULT_generic): New constant
10070 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10071 (enum processor_type): Add generic32 and generic64.
10072 * i386.md (cpu attribute): Add generic32/generic64
10073 (movhi splitter): Behave sanely when both partial_reg_dependency and
10074 partial_reg_stall are set.
10075 (K8 splitters): Enable for generic as well.
10076 * predicates.md (incdec_operand): Use TARGET_INCDEC
10077 (aligned_operand): Avoid memory mismatch stalls.
10078 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10079 * ppro.md: Enable for generic32
10080 * i386.c (generic64_cost, generic32_cost): New.
10081 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10082 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10083 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10084 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10085 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10086 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10087 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10088 x86_accumulate_outgoing_args, x86_prologue_using_move,
10089 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10090 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10091 Enable for generic.
10092 (x86_use_incdec, x86_pad_returns): New.
10093 (override_options): Add generic32 and generic64, translate "generic"
10094 to generic32/generic64 and "i686" to "generic32", refuse
10095 "generic32"/"generic64" as arch target.
10096 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10097 (ix86_reorg): Honor PAD_RETURNS.
10099 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10101 * tree-pretty-print.c (dump_generic_node): Handle
10102 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10103 * cgraph.c (cgraph_expand_queue): Rename from
10104 cgraph_analyze_queue. Update all users.
10105 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10106 cgraph_expand_queue.
10107 (cgraph_expand_all_functions): Likewise.
10108 (cgraph_finalize_pending_functions): Remove. Update callers.
10110 * tree.h (OMP_DIRECTIVE_P): Define.
10111 (OMP_PARALLEL_FN): Define.
10112 (OMP_PARALLEL_DATA_ARG): Define.
10113 (OMP_SECTIONS_SECTIONS): Define.
10114 * tree-pass.h (pass_expand_omp): Declare.
10115 * omp-low.c (struct omp_region): Declare.
10116 (struct omp_context): Remove fields 'parallel_type',
10117 'parallel_start_ix' and 'parallel_start_additional_args'.
10119 (struct omp_for_data): Rename from struct expand_omp_for_data.
10120 (omp_regions): New static variable.
10121 (root_omp_region): New static variable.
10122 (find_omp_clause): Make static.
10123 (is_in_combined_parallel_ctx): Remove.
10124 (is_combined_parallel): New.
10125 (extract_omp_for_data): Move earlier in the file.
10126 (workshare_safe_to_combine_p): New.
10127 (get_ws_args_for): New.
10128 (determine_parallel_type): Move earlier in the file.
10129 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10131 (omp_copy_decl): Likewise.
10132 (create_omp_child_function): Likewise.
10133 (lookup_omp_region): New.
10134 (dump_omp_region): New.
10135 (debug_omp_region): New.
10136 (debug_all_omp_regions): New.
10137 (new_omp_region): New.
10138 (scan_omp_parallel): If parallel_nesting_level > 1, the
10139 directive is nested within another parallel directive.
10140 Set OMP_PARALLEL_FN.
10141 (scan_omp_for): Do not try to handle combined parallel+for
10143 Remove FIXME comment.
10144 (scan_omp_nested): Remove.
10145 (scan_omp_1): Do not call scan_omp_nested when
10146 parallel_nesting_level is > 1.
10147 Do not change the DECL_CONTEXT of local variables found.
10148 (lookup_decl_in_outer_ctx): New.
10149 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10150 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10151 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10152 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10153 If CTX is nested, lookup VAR in the outer context when
10154 building copy assignment.
10155 (lower_send_clauses): Rename from expand_send_clauses.
10156 If CTX is nested, lookup VAR in the outer context when
10157 building copy assignments.
10158 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10159 If CTX is nested, lookup VAR in the outer context when
10160 building copy assignments.
10161 (expand_parallel_call): Rename from build_parallel_call.
10162 Handle combined parallel+workshare cases.
10163 Re-implement to emit code into the CFG.
10165 (expand_omp_parallel): Re-implement to emit code into the CFG.
10166 Call move_sese_region_to_fn to outline the sub-graph
10167 containing the parallel region.
10168 (expand_omp_for_1): Remove.
10169 (expand_omp_for_generic): Re-implement to emit code into the
10171 (expand_omp_for_static_nochunk): Likewise.
10172 (expand_omp_for_static_chunk): Likewise.
10173 (expand_omp_for): Likewise.
10174 (expand_omp_sections): Likewise.
10175 (remove_exit_barriers): New.
10176 (expand_omp_synch): New.
10178 (build_omp_regions_1): New.
10179 (build_omp_regions): New.
10180 (execute_expand_omp): New.
10181 (gate_expand_omp): New.
10182 (pass_expand_omp): Define.
10183 (lower_omp_sections): Rename from expand_omp_sections.
10184 Set OMP_SECTIONS_SECTIONS.
10185 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10186 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10187 (lower_omp_single): Rename from expand_omp_simple.
10188 (lower_omp_master): Rename from expand_omp_master.
10189 (lower_omp_ordered): Rename from expand_omp_ordered.
10190 (lower_omp_critical): Rename from expand_omp_critical.
10191 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10192 (lower_omp_for): Re-implement.
10193 (lower_omp_parallel): Re-implement.
10194 (lower_regimplify): Rename from expand_regimplify.
10195 (lower_omp_1): Rename from expand_omp_1.
10196 If there are syntax errors in the program, replace every
10197 OpenMP directive with NOP.
10198 Call lower_omp_* instead of expand_omp_*.
10199 (lower_omp): Rename from expand_omp.
10201 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10202 * tree-gimple.h (enum omp_parallel_type): Remove.
10203 (gimple_boolify): Declare extern.
10204 (find_omp_clause, determine_parallel_type): Remove.
10206 * gimple-low.c (lower_omp_directive): New.
10207 (lower_stmt): Call it.
10208 (record_vars_into): Move from ...
10209 (record_vars): ... here.
10210 Call record_vars_into with current_function_decl.
10212 * gimplify.c (struct gimplify_ctx): Remove fields
10213 combined_pre_p and combined_ctxp. Update users.
10214 (get_formal_tmp_var): Add documentation.
10215 (gimple_boolify): Make extern.
10216 (gimplify_expr_in_ctx): Remove. Update callers.
10217 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10218 will always be a BIND_EXPR.
10219 (gimplify_expr): Handle OMP_RETURN_EXPR.
10220 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10221 (OMP_PARALLEL): Add 3 operands.
10222 (OMP_SECTIONS): Add 1 operand.
10223 (OMP_RETURN_EXPR): Define.
10225 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10226 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10227 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10228 creating a circular free list.
10229 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10231 * tree-flow.h (move_sese_region_to_fn): Declare.
10232 (record_vars_into): Declare.
10233 * tree-cfg.c (make_omp_sections_edges): New.
10234 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10235 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10236 OMP_SECTIONS and OMP_SECTION.
10237 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10238 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10239 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10240 (gather_blocks_in_sese_region): New.
10241 (struct move_stmt_d): Declare.
10242 (move_stmt_r): New.
10243 (move_block_to_fn): New.
10244 (move_sese_region_to_fn): New.
10246 * passes.c (init_optimization_passes): Schedule
10247 pass_expand_omp after pass_init_datastructures.
10249 * tree-ssa-operands.c (get_expr_operands): Handle
10250 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10251 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10253 2006-01-19 Jeff Law <law@redhat.com>
10255 * tree-vrp.c (extract_range_from_assert): Refine the result range
10256 if the variable referenced by the ASSERT_EXPR has a range and
10257 either the tentative result range or the previous range is a
10260 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10262 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10264 2006-01-19 Jan Hubicka <jh@suse.cz>
10266 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10268 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10270 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10271 (expand_compound_operation, expand_field_assignment): Fail if the
10272 bit lengths of an extract operation are out of range.
10273 (make_extraction): Compute wanted_inner_mode based on the position
10274 and length of the extraction. Make it extraction_mode for non-constant
10275 positions, and do not modify offset in that case. When generating a
10276 new MEM, use a mode that can hold the extraction while keeping correct
10277 alignment. Remove code that supported MEMs wrapped by USEs.
10278 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10280 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10282 * config/s390/s390.md ("Y", "y"): New mode attribute.
10283 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10284 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10285 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10286 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10287 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10288 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10289 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10290 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10291 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10292 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10293 "addsi3", "subsi3"): Insn patterns removed.
10294 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10295 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10296 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10297 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10298 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10299 "*sub<mode>3_cconly2"): New insn patterns.
10300 ("addsi3", "subsi3"): New expanders.
10302 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10304 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10305 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10306 existing STMT_VINFO_VECTYPE if available.
10307 (vect_mark_relevant): Add special handling for stmts that are
10308 marked as STMT_VINFO_IN_PATTERN_P.
10309 (vect_analyze_loop): Call vect_pattern_recog.
10310 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10311 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10313 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10314 (vect_recog_func_ptr): New function-pointer type.
10315 * tree-vect-patterns.c: New file.
10316 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10317 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10318 (vect_pattern_recog_1): New functions.
10319 (vect_pattern_recog_funcs): New array of function pointers.
10321 * tree-vectorizer.h (ternary_op): New enum value.
10322 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10323 declaration. Revised documentation. Removed redundant dump prints.
10324 Removed redundant argument. Added support for reduction patterns.
10325 (vectorizable_reduction): Added support for reduction patterns.
10326 (vect_transform_stmt): Added support for patterns.
10328 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10329 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10330 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10331 (expand_widen_pattern_expr): New function.
10332 (init_optabs): Initialize new optabs udot_prod_optab,
10334 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10335 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10336 (expand_widen_pattern_expr): New function declaration.
10337 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10339 * tree-inline.c (estimate_num_insns_1): Added cases for new
10340 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10341 * tree-pretty-print.c (dump_generic_node): Likewise.
10342 (op_prio): Likewise.
10343 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10344 * tree-ssa-operands.c (get_expr_operands): Added case for
10346 * tree-vect-patterns.c (widened_name_p): New function.
10347 (vect_recog_dot_prod_pattern): Added function implementation.
10348 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10349 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10350 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10351 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10353 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10354 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10355 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10356 (init_optabs): Initialize new optabs widen_ssum_optab,
10358 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10359 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10360 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10361 use instead of type of def.
10362 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10363 function implementation.
10364 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10365 widen_ssumv8hi): New.
10367 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10370 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10373 * c-decl.c (add_flexible_array_elts_to_size): New function.
10374 (finish_decl): Use it.
10376 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10378 * diagnostic.h: Include options.h.
10379 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10380 dependancies for diagnostic.h.
10381 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10383 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10385 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10386 (ssa_ro_call_cache_valid): Ditto.
10387 * tree-ssa-alias.c (sort_tags_by_id): New function.
10388 (init_transitive_clobber_worklist): Ditto.
10389 (add_to_worklist): Ditto.
10390 (mark_aliases_call_clobbered): Ditto.
10391 (compute_tag_properties): Ditto.
10392 (set_initial_properties): Ditto.
10393 (compute_call_clobbered): Ditto.
10394 (compute_may_aliases): Call compute_call_clobbered and grouping.
10395 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10396 (compute_flow_insensitive_aliasing): Grouping now happens in our
10398 (setup_pointers_and_addressables): Remove clobbering related code.
10399 (add_may_alias): Ditto.
10400 (replace_may_alias): Ditto.
10401 (get_nmt_for): Ditto.
10402 (create_global_var):
10403 (is_escape_site): Return an escape_type enumeration.
10404 * tree-flow-inline.h (is_call_clobbered): Global var does not
10405 imply call clobbered.
10406 (mark_call_clobbered): Take a reason for marking this. Remove
10407 marking of globalness, and cache invalidation.
10408 (clear_call_clobbered): Remove cache invalidation code.
10409 * tree-dfa.c (dump_variable): If details is on, dump the reason
10411 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10413 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10414 (struct var_ann_d): Ditto.
10415 (enum escape_type): New.
10416 (mark_call_clobbered): Adjust prototype.
10417 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10418 are never call clobbered.
10419 Record reasons for escaping.
10420 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10421 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10422 (ssa_ro_call_cache_valid): Ditto.
10423 (clobbered_v_may_defs): Ditto.
10424 (clobbered_vuses): Ditto.
10425 (ro_call_vuses): Ditto.
10426 (clobber_stats): New.
10427 (init_ssa_operands): Zero out clobber stats.
10428 (fini_ssa_operands): Print out clobber stats.
10429 (get_call_expr_operands): Pass callee fndecl to
10430 add_call_read_ops).
10431 (add_call_clobber_ops): Remove use of cache.
10432 Add use of PURE_CONST information.
10433 (add_call_read_ops): Remove use of cache.
10434 Add use of static not_read information.
10436 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10438 Introduce TLS descriptors for i386 and x86_64.
10439 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10440 (TARGET_ANY_GNU_TLS): New macro.
10441 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10442 (struct machine_function): Add tls_descriptor_call_expanded_p.
10443 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10444 (ix86_current_function_calls_tls_descriptor): Likewise.
10445 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10446 (override_options): Introduce gnu2 tls dialect.
10447 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10449 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10451 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10452 (ix86_init_machine_status): Initialize new field.
10453 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10454 (ix86_tls_module_base): New.
10455 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10456 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10457 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10458 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10459 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10460 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10461 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10462 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10463 * config/i386/predicates.md (tls_modbase_operand): New.
10464 (tp_or_register_operand): New.
10466 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10468 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10469 (look_for_address_of): Ditto.
10470 (ipa_init): Walk the function decls.
10471 (static_execute): Don't set readonly on FUNCTION_DECL's.
10473 2006-01-18 Roger Sayle <roger@eyesopen.com>
10475 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10476 for shifts where the source and destination registers are different.
10478 2006-01-18 Paul Brook <paul@codesourcery.com>
10480 Merge from csl-arm-branch.
10481 2005-03-14 Julian Brown <julian@codesourcery.com>
10482 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10483 (aeabi_llsl): Likewise.
10484 (ashrdi3): Likewise.
10485 (aeabi_lasr): Likewise.
10486 (lshrdi3): Likewise.
10487 (aeabi_llsr): Likewise.
10488 2005-03-10 Julian Brown <julian@codesourcery.com>
10489 * config.gcc: Disable shared libgcc for SymbianOS.
10490 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10492 2006-01-18 DJ Delorie <dj@redhat.com>
10494 * c-pragma.c (handle_pragma_diagnostic): New.
10495 (init_pragma): Register it.
10496 * doc/extend.texi: Document it.
10498 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10499 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10500 (diagnostic_context): Add classify_diagnostic[].
10501 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10502 as errors if they're overridden to DK_WARNING.
10503 (diagnostic_initialize): Initialize classify_diagnostic[].
10504 (diagnostic_set_kind_override): New.
10505 (diagnostic_report_diagnostic): Check for kind changes.
10506 * opts.c (common_handle_option): Take lang_mask. Update callers.
10507 Handle OPT_Werror_.
10508 * common.opt (Werror=): New.
10509 * doc/invoke.texi: Document -Werror=*
10511 2006-01-18 Jeff Law <law@redhat.com>
10513 * tree-vrp.c (test_for_singularity): Correct test for new
10514 min limit. Use operand_equal_p rather than pointer equality
10515 for testing if new min/max values are equal.
10517 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10518 using range information until after propagation and folding.
10520 2006-01-18 Richard Henderson <rth@redhat.com>
10521 Aldy Hernandez <aldyh@redhat.com>
10522 Jakub Jelinek <jakub@redhat.com>
10523 Diego Novillo <dnovillo@redhat.com>
10525 * omp-low.c: New file.
10526 * c-omp.c: New file.
10528 2006-01-18 Richard Henderson <rth@redhat.com>
10529 Jakub Jelinek <jakub@redhat.com>
10530 Diego Novillo <dnovillo@redhat.com>
10532 * doc/invoke.texi: Document -fopenmp.
10533 * tree-dump.h (debug_function): Declare.
10534 * hooks.c (hook_bool_tree_bool_false): New function.
10535 (hook_tree_tree_null): Remove.
10536 (hook_tree_tree_tree_null): New.
10537 * hooks.h: Update to match.
10538 * tree-pretty-print.c (debug_tree_chain): New.
10539 (print_generic_expr): Handle TDF_CHAIN.
10540 (dump_generic_node): Handle BLOCK.
10541 Do not abort with incomplete SWITCH_EXPRs.
10542 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10543 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10544 print space after directive name.
10545 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10546 Handle OMP_MASTER and OMP_ORDERED.
10547 Handle printing of OMP_BODY just in one place, goto
10548 dump_omp_body in the rest of OMP_* nodes that have
10550 Don't handle clause nodes here. Update omp statements to
10551 use dump_omp_clauses.
10552 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10553 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10554 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10555 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10556 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10557 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10558 Adjust output for GOMP_PARALLEL.
10559 (dump_omp_clauses): New.
10560 (print_declaration): Dump DECL_VALUE_EXPR.
10561 (op_symbol_1): Split out of op_symbol.
10562 (dumping_stmts): Remove. Update all users.
10563 * cgraph.c (cgraph_analyze_queue): New.
10564 (cgraph_add_new_function): New.
10565 * cgraph.h (cgraph_analyze_queue): Declare.
10566 (cgraph_add_new_function): Declare.
10567 (cgraph_lower_function): Remove.
10568 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10569 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10570 and TYPE_P nodes in its default clause.
10571 (empty_body_p): New.
10572 (tree_range_check_failed): New.
10573 (build5_stat): New.
10574 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10575 OMP_CLAUSE_REDUCTION_MERGE,
10576 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10577 OMP_CLAUSE_PRIVATE_DEBUG,
10578 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10579 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10580 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10581 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10582 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10583 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10584 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10585 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10586 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10587 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10588 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10589 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10590 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10591 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10592 (TREE_RANGE_CHECK): New.
10593 (empty_body_p): Declare.
10594 (enum omp_clause_default_kind): New.
10595 (build_string_literal): Declare.
10596 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10597 (build5_stat, build5): Declare.
10598 * tree-pass.h (TDF_CHAIN): Define.
10599 * tree-pass.h (PROP_gimple_lomp): Define.
10600 (pass_lower_omp): Declare.
10601 * diagnostic.h (debug_tree_chain): Declare.
10602 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10604 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10605 * builtins.c (build_string_literal): Make extern.
10606 * gcc.c (include_spec_function): New.
10607 (static_spec_functions): Add it.
10608 (main): Move load of libgomp.spec ...
10609 (LINK_COMMAND_SPEC): ... here.
10610 (link_gomp_spec): New.
10611 (static_specs): Include it.
10612 (LINK_COMMAND_SPEC): Add link_gomp.
10613 (GOMP_SELF_SPECS): New.
10614 (driver_self_specs): Include it.
10615 (switch_matches): Don't mark inline.
10616 (main): Load libgomp.spec.
10617 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10618 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10619 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10620 * tree-gimple.h (enum omp_parallel): Declare.
10621 (determine_parallel_type): Declare.
10622 (omp_firstprivatize_variable): Declare.
10623 (omp_reduction_init): Declare.
10624 (diagnose_omp_structured_block_errors): Declare.
10625 (struct walk_stmt_info): Add want_return_expr.
10626 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10627 (find_omp_clause): Declare.
10628 (insert_field_into_struct): Declare.
10629 (struct walk_stmt_info): Move from tree-nested.c
10630 (walk_stmts): Declare.
10631 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10633 * cgraphunit.c (cgraph_lower_function): Make static.
10634 (cgraph_finalize_pending_functions): New.
10635 (cgraph_finalize_function): Call it.
10636 (cgraph_finalize_compilation_unit): Likewise.
10637 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10638 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10639 (BT_FN_UINT_UINT): New.
10640 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10641 DEF_FUNCTION_TYPE_VAR_4): Document.
10642 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10643 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10644 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10645 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10646 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10647 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10648 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10649 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10650 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10651 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10652 into separate files.
10653 (DEF_GOMP_BUILTIN): New.
10654 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10655 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10656 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10657 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10658 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10659 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10660 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10661 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10662 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10663 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10664 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10665 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10666 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10667 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10668 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10669 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10670 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10671 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10672 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10673 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10674 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10675 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10676 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10677 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10678 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10679 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10680 * sync-builtins.def: New file, moved from builtins.def.
10681 * omp-builtins.def: New file, moved from builtins.def.
10682 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10683 * gimple-low.c (lower_function_body): Clear data.
10684 (lower_stmt): Do not handle COMPOUND_EXPR.
10685 Remove call to print_node_brief.
10686 * c-tree.h (c_finish_omp_clauses): New prototype.
10687 (C_DECL_THREADPRIVATE_P): Define.
10688 (lookup_name_no_remap, c_omp_remap_private): Remove
10689 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10690 (check_for_loop_decls): Update decl.
10691 (lookup_name_no_remap, c_omp_remap_private): Declare.
10692 (build_indirect_ref, build_modify_expr, pushdecl,
10693 pushdecl_top_level): Move to c-common.h.
10694 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10695 before the switch, but just in the 2 places that need it.
10696 * c-decl.c (diagnose_mismatched_decls): Do not check for
10697 mismatched thread-local attributes when OLDDECL is marked
10698 threadprivate and NEWDECL has no thread-local attributes.
10699 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10700 (c_gimple_diagnostics_recursively): Rename from
10701 c_warn_unused_result_recursively. Invoke
10702 diagnose_omp_structured_block_errors.
10703 (check_for_loop_decls): Return a singular decl found.
10704 * langhooks.c (lhd_omp_predetermined_sharing): Return
10705 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10706 (lhd_omp_firstprivatize_type_sizes): New.
10707 (lhd_omp_assignment): New.
10708 (lhd_omp_predetermined_sharing): New.
10709 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10710 (struct lang_hooks_for_types): Add
10711 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10712 omp_predetermined_sharing, omp_disregard_value_expr,
10713 omp_private_debug_clause, omp_clause_default_ctor,
10714 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10715 (c_finish_omp_clauses): New.
10716 (c_finish_bc_stmt): Diagnose break within omp for.
10717 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10718 (build_unary_op): Return error_mark after reporting
10720 (build_modify_expr): Likewise.
10721 * gimplify.c: Include optabs.h and pointer-set.h.
10722 (enum gimplify_omp_var_data): Declare.
10723 (struct gimplify_omp_ctx): Declare.
10724 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10726 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10727 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10728 (splay_tree_compare_decl_uid): New.
10729 (new_omp_context): New.
10730 (delete_omp_context): New.
10731 (gimple_add_tmp_var): Call omp_add_variable.
10732 (gimplify_bind_expr): Likewise.
10733 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10734 true, disregard DECL_VALUE_EXPR on the decl if any.
10735 (gimplify_expr_in_ctx): New.
10736 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10737 omp_add_variable, omp_notice_variable, omp_is_private
10738 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10739 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10740 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10741 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10742 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10743 gimplify_omp_atomic): New.
10744 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10745 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10746 OMP_CRITICAL and OMP_ATOMIC.
10747 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10748 * c-pragma.h (enum pragma_kind): Add
10749 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10750 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10751 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10752 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10753 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10754 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10755 PRAGMA_OMP_THREADPRIVATE.
10756 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10757 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10758 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10759 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10760 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10761 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10762 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10763 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10764 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10765 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10766 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10767 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10768 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10770 (struct nesting_info): Add field_map,
10771 suppress_expansion, debug_var_chain.
10772 (create_nesting_tree): Initialize them.
10773 (lookup_field_for_decl): Use field_map.
10774 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10775 (convert_local_omp_clauses): New.
10776 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10777 (walk_body): Split out of walk_function.
10778 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10779 (convert_nonlocal_reference): Handle omp statements.
10780 (convert_local_reference): Likewise.
10781 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10782 (unnest_nesting_tree): New.
10783 (lower_nested_functions): Call it.
10784 (insert_field_into_struct): Make extern.
10785 (struct walk_stmt_info): Move to tree-gimple.h.
10786 (walk_stmts): Make extern.
10787 * omp-builtins.def: New file.
10788 * tree-iterator.c (expr_only): Clarify comment.
10789 * c-common.h (pushdecl_top_level, pushdecl,
10790 build_modify_expr, build_indirect_ref,
10791 c_finish_omp_master, c_finish_omp_critical,
10792 c_finish_omp_ordered, c_finish_omp_barrier,
10793 c_finish_omp_atomic, c_finish_omp_flush,
10794 c_finish_omp_for, c_split_parallel_clauses,
10795 omp_clause_default_kind, c_omp_sharing_predetermined,
10796 c_omp_remap_decl): Declare.
10797 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10798 (OBJS-common): Add omp-low.o.
10799 (c-omp.o, omp-low.o): Add.
10800 (gimplify.o): Add dependency on $(OPTABS_H).
10801 (GTFILES): Add omp-low.c.
10802 (gt-stringpool.h): Add.
10803 * tree-cfg.c (set_bb_for_stmt): Do not update the
10804 block-to-labels map if we are currently expanding to RTL.
10805 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10807 Handle IDENTIFIER_NODE.
10808 (tree_verify_flow_info): Do not ICE when emitting error
10809 messages about invalid labels.
10810 (dump_function_to_file): Reset CFUN before emitting the body
10812 (debug_function): New.
10813 * passes.c (init_optimization_passes): Schedule
10815 * langhooks-def.h (lhd_omp_predetermined_sharing,
10816 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10818 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10819 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10820 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10821 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10822 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10823 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10824 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10825 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10826 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10827 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10828 (LANG_HOOK_DECLS): Use them.
10830 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10831 Richard Henderson <rth@redhat.com>
10832 Jakub Jelinek <jakub@redhat.com>
10833 Diego Novillo <dnovillo@redhat.com>
10835 * c-parser.c (pragma_omp_clause): Define.
10836 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10837 (c_parser_compound_statement): Likewise.
10838 (c_parser_statement): Likewise.
10839 (c_parser_pragma): Handle omp pragmas.
10840 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10841 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10842 (c_parser_omp_clause_name, check_no_duplicate_clause,
10843 c_parser_omp_variable_list,
10844 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10845 c_parser_omp_clause_copyprivate,
10846 c_parser_omp_clause_default,
10847 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10848 c_parser_omp_clause_lastprivate,
10849 c_parser_omp_clause_nowait,
10850 c_parser_omp_clause_num_threads,
10851 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10852 c_parser_omp_clause_reduction,
10853 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10854 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10855 c_parser_omp_atomic, c_parser_omp_barrier,
10856 c_parser_omp_critical, c_parser_omp_flush,
10857 c_parser_omp_for_loop, c_parser_omp_for,
10858 c_parser_omp_master, c_parser_omp_ordered,
10859 c_parser_omp_sections_scope, c_parser_omp_sections,
10860 c_parser_omp_parallel, c_parser_omp_single,
10861 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10862 * c-pragma.c (init_pragma): Do omp pragma registration here.
10863 * c.opt (fopenmp): New flag.
10865 2006-01-18 Eric Christopher <echristo@apple.com>
10867 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10868 * config/darwin.h (GOMP_SELF_SPECS): Define.
10870 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10872 * rtl.h: Remove the prototype for reg_alloc.
10874 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10877 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10878 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10879 sjlj and dwarf2 exception handling.
10880 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10881 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10882 * pa/pa.c (function_value): Treat complex and vector types as
10884 (function_arg): Likewise. Only pass scalar floats in the floating
10885 point argument registers.
10886 * pa/t-slibgcc-dwarf-ver: New file.
10887 * pa/t-slibgcc-sjlj-ver: New file.
10888 * pa/t-slibgcc-elf-ver: Delete file.
10890 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10892 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10893 unlikely_test_section_p test.
10895 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10897 * mode-switching.c (optimize_mode_switching): Make it static.
10898 * basic-block.h: Remove the prototype for
10899 optimize_mode_switching.
10901 * modulo-sched.c (sms_schedule): Make it static.
10902 * rtl.h: Remove the prototype for sms_schedule.
10904 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10905 * rtl.h: Remove the prototype for gcse_after_reload_main.
10907 * reg-stack.c (reg_to_stack): Make it static.
10908 * rtl.h: Remove the prototype for reg_to_stack.
10910 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10912 * rtl.h: Remove the prototypes for regrename_optimize and
10913 copyprop_hardreg_forward.
10915 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10917 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10918 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10919 Test against the appropriate null constant for the mode.
10920 If 'fixup_overlap' is true, swap the operands if they overlap.
10921 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10922 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10923 alpha_split_tmode_pair and adjust for above change.
10924 * config/alpha/alpha.md (movtf_internal): Adjust call to
10925 alpha_split_tfmode_pair and rely on it to swap the operands.
10926 (movti_internal): New insn and post-reload splitter.
10927 (movti): New expander.
10929 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10931 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10934 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10936 * rtlanal.c (global_reg_mentioned_p_1,
10937 global_reg_mentioned_p): Remove.
10938 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10940 * flow.c (initialize_uninitialized_subregs): Make it static.
10941 * rtl.h: Remove the prototype for
10942 initialize_uninitialized_subregs.
10944 * function.c (instantiate_virtual_regs): Make it static.
10945 * function.h: Remove the prototype for
10946 instantiate_virtual_regs.
10948 * regmove.c (regmove_optimize, combine_stack_adjustments):
10950 * rtl.h: Remove the prototypes for regmove_optimize and
10951 combine_stack_adjustments.
10953 2006-01-17 Roger Sayle <roger@eyesopen.com>
10955 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10956 (size_cost): Encode costs in bytes so that a reg-reg addition is
10957 equivalent to COSTS_N_INSNS(1).
10958 (override_options): Use the size_cost.branch_cost as the default
10959 ix86_branch_cost when optimizing for size.
10961 2006-01-18 Ben Elliston <bje@au.ibm.com>
10963 * Makefile.in (D32PBIT_FUNCS): New.
10964 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10965 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10966 D64PBIT_FUNCS and D128PBIT_FUNCS.
10967 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10968 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10970 (decnumber_dep): Define.
10971 * doc/libgcc.texi (Decimal float library routines): New node.
10972 * config/dfp-bit.h, config/dfp-bit.c: New files.
10974 2006-01-18 Ben Elliston <bje@au.ibm.com>
10976 * expr.c (emit_move_change_mode): Always adjust addresses, not
10977 just during reload. Copy replacements only during reload.
10978 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10979 emit_move_via_integer.
10981 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10983 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10984 instead of $(srcdir) and ${srcdir}.
10986 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10989 PR middle-end/11135
10990 * arm.h (struct machine_function): Add pic_reg.
10991 * arm.c (arm_pic_register): Make unsigned.
10992 (arm_override_options): Only set arm_pic_register if
10993 TARGET_SINGLE_PIC_BASE.
10994 (use_return_insn): Only test for a pic register if it is fixed.
10995 (arm_compute_save_reg0_reg12_mask): Likewise.
10996 (thumb_compute_save_reg_mask): Likewise.
10997 (legitimate_pic_operand): Factor out some known invariants.
10998 (legitimize_pic_address): If we don't have a fixed pic register,
10999 then set up a pseudo in the function entry sequence. Handle the
11000 pic base being in a pseudo.
11001 (arm_load_pic_register): Handle the pic register being in a pseudo.
11002 (arm_expand_prologue): Only set up the pic register if it is fixed.
11003 (thumb_expand_prologue): Likewise.
11004 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11005 (pic_load_addr_based_insn): Likewise.
11006 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11009 2006-01-18 Ben Elliston <bje@au.ibm.com>
11011 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11012 decimal float modes for all floating point registers.
11014 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11015 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11017 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11020 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11021 even when the pointer is not NULL.
11023 2006-01-16 Ian Lance Taylor <ian@airs.com>
11025 * common.opt (ftoplevel-reorder): New option.
11026 * cgraph.c (cgraph_asm_nodes): New global variable.
11027 (cgraph_asm_last_node): New static variable.
11028 (cgraph_order): New global variable.
11029 (cgraph_create_node): Set new order field.
11030 (cgraph_varpool_node): Likewise.
11031 (decide_is_variable_needed): Return true if not
11032 flag_toplevel_reorder.
11033 (cgraph_add_asm_node): New function.
11034 * cgraph.h (struct cgraph_node): Add order field.
11035 (struct cgraph_varpool_node): Add order field.
11036 (struct cgraph_asm_node): Define.
11037 (cgraph_asm_nodes, cgraph_order): Declare.
11038 (cgraph_add_asm_node): Declare.
11039 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11041 (cgraph_varpool_assemble_pending_decls): Call it.
11042 (cgraph_output_pending_asms): New static function.
11043 (cgraph_finalize_compilation_unit): Call it.
11044 (struct cgraph_order_sort): Define.
11045 (cgraph_output_in_order): New static function.
11046 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11047 !flag_toplevel_reorder case.
11048 * c-parser.c: Include "cgraph.h".
11049 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11051 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11052 than -fno-unit-at-a-time.
11053 * doc/invoke.texi (Option Summary): Mention
11054 -fno-toplevel-reorder.
11055 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11056 -funit-at-a-time documentation.
11058 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11059 Kazu Hirata <kazu@codesourcery.com>
11061 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11063 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11065 * Makefile.in (FUNCTION_H): New. Use it instead of
11066 function.h throughout the file.
11067 * function.h: Include tree.h.
11069 2006-01-17 Ben Elliston <bje@au.ibm.com>
11071 * recog.c: Separate some functions with whitespace.
11073 2006-01-16 Richard Henderson <rth@redhat.com>
11075 Merge from gomp branch:
11076 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11077 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11078 and rename from struct inline_data. Rename callee* to dst*;
11079 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11080 transform_new_cfg, transform_return_to_modify, and
11081 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11083 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11084 (copy_decl_for_dup): Remove.
11085 * tree-inline.c (struct inline_data): Move to header.
11086 (insert_decl_map): Export.
11087 (remap_decl): Update for member name changes. Use copy_decl hook.
11088 Allow for replacement to be a non-decl. Remove dead code.
11089 (remap_type_1): Check for existing mapping.
11090 (remap_type): Export.
11091 (remap_decls): Update for member name changes.
11092 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11093 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11094 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11095 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11096 (tree_function_versioning, build_duplicate_type): Likewise.
11097 (copy_body_r): Likewise. Export.
11098 (copy_decl_for_dup): Split into ...
11099 (copy_decl_for_dup_finish, copy_decl_to_var,
11100 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11101 (replace_ref_tree, inlining_p): Remove.
11103 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11105 * ifcvt.c (if_convert): Make it static.
11106 * rtl.h: Remove the prototype for if_convert.
11108 * local-alloc.c (local_alloc): Make it static.
11109 * rtl.h: Remove the prototype for local_alloc.
11111 * loop.c (loop_optimize): Make it static.
11112 * cfgloop.h: Remove the prototype for loop_optimize.
11115 2006-01-16 DJ Delorie <dj@redhat.com>
11117 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11120 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11122 * pa.md: Disparage copies between general and floating-point registers
11123 in 32-bit move patterns.
11125 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11128 * Makefile.in (check-%): Depend on site.exp instead of
11129 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11132 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11134 * global.c (global_alloc): Make it static.
11135 * rtl.h: Remove the prototype for global_alloc.
11137 2006-01-16 Richard Guenther <rguenther@suse.de>
11139 * tree-ssa-alias.c (struct used_part): Add write_only field.
11140 (get_or_create_used_part_for): Initialize it to true.
11141 (create_overlap_variables_for): Don't create structure variables
11142 for structures that only are written to.
11143 (find_used_portions): Handle MODIFY_EXPR to track whether a
11144 structure is only written to.
11146 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11148 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11150 * basic-block.h: Remove the prototype for
11151 partition_hot_cold_basic_blocks.
11153 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11155 * cppspec.c (lang_specific_spec_functions): Remove.
11156 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11157 * gcc.h (lang_specific_spec_functions): Remove.
11158 * gccspec.c (lang_specific_spec_functions): Remove.
11160 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11162 * combine.c (record_value_for_reg): Invalidate registers
11164 (record_dead_and_set_regs_1): Likewise, by passing them to
11165 record_value_for_reg.
11166 (record_dead_and_set_regs): Invalidate stores made by a
11167 call. We do not combine across a call, but we still
11168 relied on equivalences.
11170 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11172 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11173 vrp_int_const_binop returning non-constant nodes.
11175 2006-01-16 Paul Brook <paul@codesourcery.com>
11177 * config/m68k/m68k.c (output_move_const_into_data_reg):
11178 Output correct mnemonic for mvz and mvs.
11180 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11182 * rtl-factoring.c: Add sequence abstraction algorithm.
11183 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11184 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11186 (block_has_preserve_label): New function.
11187 * common.opt: Register new pass.
11188 * Makefile.in: Ditto.
11190 * timevar.def: Ditto.
11191 * tree-pass.h: Ditto.
11192 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11193 * rtl.h (make_jump_insn_raw): Add forward decl.
11194 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11196 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11197 Roger Sayle <roger@eyesopen.com>
11199 * fold-const.c (fold_minmax): New static function.
11200 (fold_binary) <MIN_EXPR>: Call it.
11201 <MAX_EXPR>: Likewise.
11202 * stor-layout.c (place_field): Use DECL_SIZE consistently
11203 in the computation of the new record size.
11205 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11207 * cse.c (cse_condition_code_reg): Make it static.
11208 * rtl.h: Remove the prototype for cse_condition_code_reg.
11210 * combine.c (combine_instructions): Make it static.
11211 * rtl.h: Remove the prototype for combine_instructions.
11213 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11216 * tree.c (get_file_function_name_long): Concatenate the first global
11217 object name with a string derived from the input filename of the object
11220 2006-01-16 Ben Elliston <bje@au.ibm.com>
11222 * config/i386/winnt-stubs.c: Update FSF address.
11223 * config/xtensa/ieee754-df.S: Ditto.
11224 * config/xtensa/ieee754-sf.S: Ditto.
11226 2006-01-14 Ian Lance Taylor <ian@airs.com>
11228 * ifcvt.c (noce_init_if_info): New static function, broken out of
11229 noce_process_if_block.
11230 (noce_process_if_block): Call noce_init_if_info.
11231 (check_cond_move_block): New static function.
11232 (cond_move_process_if_block): New static function.
11233 (process_if_block): Call cond_move_process_if_block.
11235 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11237 * cselib.c (hash_table): Rename to cselib_hash_table.
11238 (cselib_clear_table, discard_useless_values,
11239 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11240 cselib_init, cselib_finish): Adjust uses of hash_table.
11242 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11244 PR tree-optimization/25485
11245 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11246 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11247 is known to be false and true, respectively.
11249 2006-01-14 Richard Guenther <rguenther@suse.de>
11251 PR tree-optimization/22548
11252 PR tree-optimization/22555
11253 PR tree-optimization/22501
11254 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11255 * params.def (salias-max-array-elements): New parameter.
11256 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11257 * doc/invoke.texi (salias-max-array-elements): Document.
11258 * tree-flow-inline.h (var_can_have_subvars): We also handle
11260 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11262 * tree-ssa-structalias.c (params.h): Include.
11263 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11264 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11265 (get_constraint_for): For ADDR_EXPR operating on something
11266 containing an ARRAY_REF, add all subvars to the solution.
11267 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11268 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11269 for creating MUST_DEFs.
11270 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11272 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11274 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11276 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11277 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11278 number_of_iterations_le): New functions.
11279 (number_of_iterations_special): Removed.
11280 (number_of_iterations_exit): Do not use number_of_iterations_special.
11281 * tree.c (unsigned_type_for): Always return integer type.
11283 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11284 Richard Guenther <rguenther@suse.de>
11286 PR rtl-optimization/24257
11287 * gcse.c (find_moveable_store): Only consider a store movable
11288 when the SET_SRC of the insn can be assigned to a register.
11290 2006-01-14 Ian Lance Taylor <ian@airs.com>
11292 * tree.c (tree_not_class_check_failed): New function.
11293 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11294 (tree_not_class_check_failed): Declare.
11296 2006-01-13 Ian Lance Taylor <ian@airs.com>
11298 * reload1.c (do_output_reload): Add assertion rejecting a
11301 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11303 * combine.c (struct reg_stat): Add new fields truncation_label and
11305 (record_value_for_reg): Reset truncated_to_mode.
11306 (record_truncated_value): New function.
11307 (check_promoted_subreg): Call it. Rename to check_conversions.
11308 (combine_instructions): Rename check_promoted_subreg to
11310 (reg_truncated_to_mode): New function.
11311 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11312 (gen_lowpart_or_truncate): New function.
11313 (force_to_mode): Use it instead of gen_lowpart.
11315 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11317 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11318 VAR is a tag, not its type tag.
11320 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11322 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11323 alternatives to match style of other entries.
11324 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11326 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11328 PR tree-optimization/25771
11329 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11332 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11335 * tree-inline.c (declare_return_variable): If the return variable
11336 was marked as a non gimple complex, set the return slot variable
11337 to be a non gimple comple variable.
11339 2006-01-13 Richard Guenther <rguenther@suse.de>
11341 * builtins.c (expand_builtin_sincos): New function.
11342 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11344 (expand_builtin): Expand sincos using expand_builtin_sincos.
11346 2006-01-12 DJ Delorie <dj@redhat.com>
11348 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11349 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11350 so that constant shifts can be split.
11351 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11352 (m32c_valid_pointer_mode): Make static.
11353 (shift_gen_func_for): New.
11354 (m32c_prepare_shift): Use it. Split large const shifts into
11356 * config/m32c/predicates.md (shiftcount_operand): Allow more
11358 (longshiftcount_operand): New.
11359 * doc/md.texi (Machine Constraints): Document In6.
11361 2006-01-13 Ben Elliston <bje@au.ibm.com>
11363 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11364 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11367 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11369 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11370 to try to avoid clobbering pieces of structures when we know
11371 something about the whole structure.
11372 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11374 2006-01-13 Ben Elliston <bje@au.ibm.com>
11376 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11377 return in memory, as this is no limitation is no longer present.
11379 2006-01-12 DJ Delorie <dj@redhat.com>
11381 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11382 mova with fb, and for fb+0 -> An.
11384 * config/m32c/mov.md (peephole2): Fix enabling logic.
11386 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11387 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11388 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11389 FINI_ARRAY_SECTION_ASM_OP): Define.
11391 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11393 (m32c_legitimize_reload_address): New logic to reload FB to An.
11394 (m32c_output_reg_push): Add newline.
11395 (m32c_output_reg_pop): Likewise.
11397 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11399 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11401 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11403 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11405 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11407 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11410 2006-01-11 Ben Elliston <bje@au.ibm.com>
11412 * rtlanal.c (find_reg_note): Assert insn is not null.
11414 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11416 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11419 2006-01-11 Jeff Law <law@redhat.com>
11421 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11423 (mark_threaded_blocks, register_jump_thread): New functions.
11424 (thread_through_all_blocks): Remove unwanted argument. No
11425 longer rely on e->aux to communicate thread target info.
11426 Call mark_threaded_blocks. Release the threaded_blocks
11427 bitmap and threaded_edges vector when complete.
11428 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11429 (threaded_blocks): Remove.
11430 (tree_ssa_dominator_optimize): Remove initialization and
11431 finalization of threaded_blocks. Simplify call to
11432 thread_through_all_blocks.
11433 (thread_across_edge): Call register_jump_thread rather than
11434 storing thread information into e->aux.
11435 (free_all_edge_infos): Simplify now that e->aux is no longer
11436 used to communicate with thread_through_all_blocks.
11437 * tree-flow.h (thread_through_all_blocks): Update prototype.
11438 (register_jump_thread): Prototype.
11440 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11442 * df-core.c (df_compact_blocks, df_bb_replace): Use
11443 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11445 2006-01-11 Richard Guenther <rguenther@suse.de>
11447 PR tree-optimization/25734
11448 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11449 stop propagation after successful propagation to the LHS.
11451 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11453 * basic-block.h (control_flow_graph): Change the type of
11454 x_basic_block_info to VEC(basic_block,gc) *.
11455 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11457 (SET_BASIC_BLOCK): New.
11458 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11459 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11460 * cfgbuild.c (find_basic_blocks): Likewise.
11461 * cfglayout.c (fixup_reorder_chain): Likewise.
11462 * cfgrtl.c (create_basic_block_structure,
11463 rtl_create_basic_block): Likewise.
11464 * ifcvt.c (find_if_case_1): Likewise.
11465 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11468 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11470 * Makefile.in: Removed rotted odf.c entry.
11472 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11475 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11476 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11477 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11478 output pattern modifier, not %e.
11479 * config/cris/cris.c (cris_op_str): Update comment about pattern
11481 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11482 before falling through into...
11483 <case 'E'>: Redefined from old 'e' case.
11485 2006-01-11 Jan Hubicka <jh@suse.cz>
11488 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11490 2006-01-11 Jan Hubicka <jh@suse.cz>
11492 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11493 * i386.c (x86_decompose_lea): Kill.
11494 (ix86_rtx_costs): Kill.
11496 2006-01-11 Jan Hubicka <jh@suse.cz>
11498 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11499 * cgraph.h (cgraph_node): Add inline_decl.
11500 (cgraph_insert_node_to_hashtable): Declare.
11501 (save_inline_function_body): Declare.
11502 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11504 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11505 (cgraph_function_versioning): Update call of tree_function_versioning.
11506 (save_inline_function_body): New function.
11507 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11508 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11509 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11510 (cgraph_default_inline_p): Likewise.
11511 (cgraph_decide_inlining_incrementally): Likewise.
11512 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11513 (copy_bb): Kill saving; do updating of clones.
11514 (copy_cfg_body): Kill saving.
11515 (initialize_inlined-parameters): Likewise.
11516 (expand_call_inline): Likewise.
11518 (tree_function_versioning): New parameter "update_clones".
11519 (inlining_p): Kill saving.
11520 * tree-inline.h (tree_function_versioning): Update prototype.
11521 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11524 2006-01-11 Ian Lance Taylor <ian@airs.com>
11526 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11527 Allow undoing set of machine mode.
11528 (do_SUBST): Use enums instead of is_int.
11529 (do_SUBST_MODE): New function.
11530 (SUBST_MODE): New macro.
11531 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11532 reg and trying to replace reg_regno_rtx with a new register.
11533 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11534 (simplify_set): Use SUBST_MODE.
11535 (distribute_notes): Remove code that tried to update reg notes
11536 for regno_reg_rtx changes.
11538 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11540 PR tree-optimization/23109
11541 PR tree-optimization/23948
11542 PR tree-optimization/24123
11544 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11545 * tree-cfg.c (single_noncomplex_succ): New.
11546 * tree-flow.h (single_noncomplex_succ): Declare it.
11547 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11548 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11549 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11550 insert_bb, register_division_in, insert_reciprocals,
11551 replace_reciprocal, free_bb): New.
11552 (execute_cse_reciprocals_1): Rewritten.
11553 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11554 Do not commit any edge insertion. Always compute dominators and
11555 create the allocation pool.
11556 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11557 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11558 * targhooks.c (default_min_divistions_for_recip_mul): New.
11559 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11560 * passes.c (init_optimization_passes): Run recip after tree loop
11562 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11564 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11565 Kenneth Zadeck <zadeck@naturalbridge.com>
11567 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11568 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11569 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11570 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11571 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11572 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11573 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11574 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11575 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11576 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11577 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11578 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11579 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11580 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11581 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11582 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11583 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11584 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11585 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11586 DF_SCAN_POST_ALLOC): New macros.
11587 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11588 df_free_bb_function, df_local_compute_function, df_init_function,
11589 df_dataflow_function, df_confluence_function_0,
11590 df_confluence_function_n, df_transfer_function,
11591 df_finalizer_function, df_free_function, df_dump_problem_function,
11592 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11593 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11594 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11595 df_urec_bb_info, ) New types.
11596 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11598 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11599 df_analyze_simple_change_some_blocks,
11600 df_analyze_simple_change_one_block, df_compact_blocks,
11601 df_bb_replace, df_bb_regno_last_use_find,
11602 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11603 df_insn_regno_def_p, df_find_def, df_find_use,
11604 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11605 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11606 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11607 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11608 debug_df_chain, df_get_dependent_problem, df_chain_create,
11609 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11610 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11611 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11612 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11613 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11614 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11615 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11616 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11617 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11618 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11619 df_reorganize_refs, df_set_state, df_hard_reg_init,
11620 df_read_modify_subreg_p) New public functions.
11621 * df-core.c: The core dataflow solver and glue routines for rtl
11623 (df_init, df_add_problem, df_set_blocks, df_finish,
11624 df_hybrid_search_forward, df_hybrid_search_backward,
11625 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11626 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11627 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11628 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11629 df_reg_defined, df_find_use, df_reg_used, df_dump,
11630 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11631 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11632 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11633 debug_df_useno, reset_df_after_reload): New functions.
11634 * df-scan.c: The scanning fuctions, once in df.c, completely
11635 rewritten so that they now fully model the functionality of
11636 register usage at the backend.
11637 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11638 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11639 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11640 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11641 df_get_artificial_defs, df_get_artificial_uses,
11642 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11643 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11644 df_refs_delete, df_reorganize_refs, df_set_state,
11645 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11646 df_def_record_1, df_defs_record, df_uses_record,
11647 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11648 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11649 df_record_exit_block_uses, df_hard_reg_init): New functions.
11651 * df-problems.c: Seven concrete dataflow problems that use the
11652 scanning in df-scan.c and are solved by the engine in df-core.c.
11653 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11654 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11655 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11656 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11657 df_ru_free_bb_info, df_ru_alloc,
11658 df_ru_bb_local_compute_process_def,
11659 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11660 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11661 df_ru_transfer_function, df_ru_free, df_ru_dump,
11662 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11663 df_rd_free_bb_info, df_rd_alloc,
11664 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11665 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11666 df_rd_transfer_function, df_rd_free, df_rd_dump,
11667 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11668 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11669 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11670 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11671 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11672 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11673 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11674 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11675 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11676 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11677 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11678 df_urec_mark_reg_use_for_earlyclobber,
11679 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11680 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11681 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11682 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11683 df_chain_create_bb_process_use, df_chain_create_bb,
11684 df_chain_finalize, df_chain_free, df_chains_dump,
11685 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11686 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11687 df_reg_lifetime): New functions.
11688 * df.c: Deleted file.
11689 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11690 consistent with new df api.
11691 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11692 rest_of_handle_sms): Ditto.
11693 * web.c (unionfind_union, union_defs, entry_register, web_main):
11695 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11696 invariant_expr_equal_p, find_defs, check_dependencies,
11697 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11698 free_inv_motion_data, move_loop_invariants): Ditto.
11699 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11700 Update dependencies.
11701 (odf.c): Added defective entry that was deleted later in day.
11702 * sched-deps.c (sched_analyze_1): Ditto.
11704 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11706 * tree-ssa-operands.c (get_expr_operands): Record addressable
11707 variables directly. Do not call add_stmt_operands for CONST_DECLs
11709 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11710 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11712 2006-01-11 Ben Elliston <bje@au.ibm.com>
11714 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11715 function returns true in the positive case.
11717 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11720 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11721 for SI, DI, SF and DF modes. Add alternatives to copy between
11722 general and floating point registers to the 32-bit patterns.
11723 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11724 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11725 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11726 generating 64-bit code.
11727 * config/pa/pa.c (output_move_double): Handle copies between general
11728 and floating registers.
11730 2006-01-10 Stuart Hastings <stuart@apple.com>
11732 * config/i386/i386.md (set_got): Update.
11733 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11734 (builtin_setjmp_receiver): Mach-O support.
11735 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11736 (GOT_SYMBOL_NAME): Define.
11737 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11738 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11739 * config/i386/i386.c (override_options): Revise for Darwin.
11740 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11741 support. (darwin_x86_file_end): New. (output_set_got): Add label
11742 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11743 * config/i386/i386-protos.h (output_set_got): Likewise.
11744 * config/darwin.c (machopic_legitimize_pic_address): Update
11747 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11749 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11750 when MODE isn't BLKmode.
11752 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11754 PR rtl-optimization/25367
11755 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11757 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11760 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11761 for a negative bound.
11763 2006-01-10 Richard Guenther <rguenther@suse.de>
11765 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11766 Never override with anything constraint.
11768 2006-01-10 Jan Beulich <jbeulich@novell.com>
11770 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11771 256 bits when optimize_size.
11773 2006-01-10 Jan Beulich <jbeulich@novell.com>
11775 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11777 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11778 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11781 2006-01-10 Ben Elliston <bje@au.ibm.com>
11783 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11785 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11786 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11787 (USE_FP_FOR_ARG): Reject decimal float modes.
11788 (function_arg_advance): Likewise.
11789 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11790 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11791 point types in AltiVec vectors.
11792 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11793 (rs6000_libcall_value): Likewise.
11795 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11797 * config/xtensa/ieee754-df.S: New file.
11798 * config/xtensa/ieee754-sf.S: New file.
11799 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11800 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11801 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11803 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11805 * config/sh/predicates.md (binary_float_operator,
11806 binary_logical_operator, commutative_float_operator,
11807 equality_comparison_operator, greater_comparison_operator,
11808 less_comparison_operator, logical_operator,
11809 noncommutative_float_operator, shift_operator,
11810 symbol_ref_operand, unary_float_operator): Remove redundant
11813 2006-01-09 Jeff Law <law@redhat.com>
11815 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11816 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11817 now unused arguments. Callers updated.
11818 (eliminate_redundant_computations): Remove now unused arguments,
11820 (local_fold): Remove, no longer used.
11821 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11823 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11824 (simplify_cond): New function.
11825 (forward_propagate_into_cond): Call simplify_cond.
11827 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11829 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11830 (*vec_extractv2di_1_sse): New.
11832 2006-01-09 Ben Elliston <bje@au.ibm.com>
11834 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11836 2006-01-08 Richard Guenther <rguenther@suse.de>
11838 * tree-ssa-structalias.c (get_constraint_for): Remove
11839 anyoffset argument.
11840 (get_constraint_for_component_ref): Likewise.
11841 (do_deref): Likewise.
11842 (get_constraint_for): Likewise.
11843 (do_structure_copy): Likewise.
11844 (handle_ptr_arith): Likewise.
11845 (find_func_aliases): Likewise. Remove unused need_anyoffset
11848 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11849 Kaz Kojima <kkojima@gcc.gnu.org>
11851 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11852 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11853 (EXTRA_CONSTRAINT_C16): Remove.
11854 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11855 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11856 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11857 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11858 constants of SHmedia. Handle nested constant expressions of
11860 (andcosts): Fix the costs for SHmedia constants.
11861 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11862 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11863 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11864 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11865 (movv4hi_i, movv2si_i): Likewise.
11866 (movsi_const): Adjust the second operand of ior so to match with
11867 the Csu constraint.
11868 (movdi_const, movdi_const_32bit): Likewise.
11869 (movdi_const_16bit+1): Don't sign-extend LOW.
11870 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11872 (*double_shori): Fix the split condition. Use GEN_INT instead
11873 of get_int_mode calls. Mask lower 16-bit of the argument of
11875 (sym2GOTPLT): Remove.
11876 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11878 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11879 instead of EXTRA_CONSTRAINT_C16.
11881 2006-01-07 Ian Lance Taylor <ian@airs.com>
11882 David Edelsohn <edelsohn@gnu.org>
11884 PR rtl-optimization/25662
11885 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11886 for constant operands instead of simplify_gen_binary.
11887 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11888 after trying simplify_binary_operation
11890 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11892 * tree.c (iterative_hash_expr): Hash decls based on UID.
11894 2006-01-06 Eric Christopher <echristo@apple.com>
11896 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11897 (TARGET_UNWIND_EMIT): Fix spelling.
11898 * target.h (gcc_target): Add except_table_label.
11899 * except.c (output_function_exception_table): Use.
11900 * varasm.c (default_emit_except_table_label): New.
11901 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11903 (asm_out): Add here.
11904 * output.h (default_emit_except_table_label): Prototype.
11905 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11906 * config/darwin.c (darwin_emit_except_table_label): Define.
11907 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11909 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11911 PR tree-optimization/18527
11912 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11913 number_of_iterations_special, number_of_iterations_exit):
11914 Move base and step of an iv to a single structure. Add
11915 no_overflow flag, and use it in # of iterations analysis.
11916 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11917 folded_casts argument.
11918 (simple_iv): Pass base and step in a structure. Set no_overflow
11920 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11921 Evaluate expensiveness of computing # of iterations instead of
11922 the final expression.
11923 * tree-scalar-evolution.h (affine_iv): New structure.
11924 (simple_iv): Declaration changed.
11925 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11926 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11927 find_givs_in_stmt): Changed due to simple_iv change.
11929 2006-01-06 Jeff Law <law@redhat.com>
11932 * tree-cfg.c (bsi_replace): Rename final argument from
11933 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11934 change (stmt -> orig_stmt).
11935 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11936 (bsi_remove): Add new argument. Remove EH information
11938 (verify_eh_throw_table_statements): New function.
11939 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11941 * tree-optimize.c (execute_free_cfg_annotations): Verify
11942 the EH throw statement table after removing annotations.
11943 * except.h (verify_eh_throw_table_statements): Prototype.
11944 * tree-flow.h (bsi_remove): Update prototype.
11945 * tree-vrp.c (remove_range_assertions): Add new argument to
11947 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11948 * tree-complex.c (expand_complex_div_wide): Likewise.
11949 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11950 * tree-tailcall.c (eliminate_tailcall): Likewise.
11951 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11952 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11953 * tree-nrv.c (tree_nrv): Likewise.
11954 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11955 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11956 (combine_blocks): Likewise.
11957 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11958 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11959 (cleanup_control_flow): Likewise.
11960 (remove_forwarder_block): Likewise.
11961 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11962 * tree-sra.c (sra_replace): Likewise.
11963 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11964 (forward_propagate_single_use_vars): Likewise.
11965 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11966 * tree-inline.c (expand_call_inline): Likewise.
11967 * tree-vect-transform.c (vect_transform_loop): Likewise.
11968 * tree-outof-ssa.c (rewrite_trees): Likewise.
11969 * tree-cfg.c (make_goto_expr_edges): Likewise.
11970 (cleanup_dead_labels): Likewise.
11971 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11972 (bsi_move_before, bsi_move_after): Likewise.
11973 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11974 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11976 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11979 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11981 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11982 on non gimple variables. Also add checks at the top for decls and
11984 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11986 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11987 and IMAGPART_EXPR for creating MUST_DEFs.
11988 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11989 and NAME_MEMORY_TAG separately from the DECLs.
11991 2006-01-06 Richard Guenther <rguenther@suse.de>
11993 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11994 annotation, if necessary.
11995 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11996 redundant calls to update_stmt.
11997 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12000 2006-01-05 Richard Henderson <rth@redhat.com>
12002 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12004 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12006 * c-typeck.c: Update copyright date.
12008 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12010 * c-typeck.c (build_c_cast): Always warn when casting
12011 from a pointer to an integer of different size, even if
12012 the node was constant.
12014 2006-01-05 Richard Guenther <rguenther@suse.de>
12016 PR tree-optimization/22555
12017 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12018 if one structure field is an array.
12019 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12020 operands even if we found a subvar, but ignore VOPs in this
12022 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12024 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12026 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12028 PR middle-end/24998
12029 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12031 2006-01-05 Richard Guenther <rguenther@suse.de>
12032 Diego Novillo <dnovillo@redhat.com>
12034 * tree-pass.h (TODO_remove_unused_locals): Define.
12035 * gimple-low.c (expand_var_p, remove_useless_vars,
12036 pass_remove_useless_vars): Remove. Update all users.
12037 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12038 (remove_unused_locals): New function.
12039 * tree-flow.h (remove_unused_locals): Declare.
12040 * passes.c (execute_todo): Call remove_unused_locals if
12041 TODO_remove_unused_locals is set.
12042 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12043 * tree-ssa-dce.c (pass_dce): Likewise.
12044 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12046 2006-01-05 Richard Guenther <rguenther@suse.de>
12048 * tree-flow.h (struct fieldoff): Decompose field to
12049 type, size and decl.
12050 * tree-ssa-alias.c (create_sft): Take type as parameter.
12051 (create_overlap_variables_for): Store type, size and decl
12052 in the fieldoff structure.
12053 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12054 of struct fieldoff.
12055 (push_fields_onto_fieldstack): Likewise.
12056 (create_variable_info_for): Likewise. Use offset for the
12057 SFT name if the decl is not available.
12059 2006-01-04 Paul Brook <paul@codesourcery.com>
12061 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12063 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12065 * lambda-code.c (can_put_in_inner_loop): Relax
12067 (can_put_after_inner_loop): New function.
12068 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12069 (perfect_nestify): Change to make copies and modify uses.
12071 2006-01-04 Richard Henderson <rth@redhat.com>
12073 Merge from gomp branch:
12074 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12075 via integer constant.
12076 (pragma_lex): Remove.
12077 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12078 rather than parsing it.
12079 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12080 handle_pragma_extern_prefix): Add %< %> quotes.
12081 (registered_pragmas): New.
12082 (c_register_pragma_1): New.
12083 (c_register_pragma): Use it.
12084 (c_register_pragma_with_expansion): Likewise.
12085 (c_invoke_pragma_handler): New.
12086 (init_pragma): Use cpp_register_deferred_pragma directly for
12088 * c-pragma.h (enum pragma_kind): New.
12089 (pragma_handler): New.
12090 (c_invoke_pragma_handler): Declare.
12091 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12093 * c-common.h (c_common_pch_pragma): Update decl.
12094 * Makefile.in (c-parser.o): Update dependencies.
12095 (GTFILES): Add c-pragma.h.
12096 * c-parser.c (struct c_token): Add pragma_kind.
12097 (struct c_parser): Add in_pragma.
12098 (c_lex_one_token): Always initialize keyword and pragma_kind.
12099 Extract data for CPP_PRAGMA.
12100 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12101 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12102 Don't allow CPP_PRAGMA_EOL if in_pragma.
12103 (c_parser_consume_pragma): New.
12104 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12105 (c_parser_skip_to_end_of_parameter): Likewise.
12106 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12107 (c_parser_skip_to_pragma_eol): New.
12108 (c_parser_external_declaration): Handle CPP_PRAGMA.
12109 (c_parser_compound_statement_nostart): Likewise.
12110 (c_parser_statement_after_labels): Likewise.
12111 (c_parser_pragma): New.
12112 (pragma_lex): Likewise.
12113 (c_parser_pragma_pch_preprocess): New.
12114 (c_parser_new): Merge into ...
12115 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12117 2006-01-04 Jeff Law <law@redhat.com>
12120 * tree-cfg.c (bsi_replace): Remove the original statement
12121 from the EH throw statement table.
12123 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12125 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12126 make the prototype extern "C" and add throw ().
12129 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12130 and pos non-negative and pos + len <= 32.
12131 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12132 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12133 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12136 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12137 as well as sizes not multiple of component size.
12140 * function.c (instantiate_expr): New function.
12141 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12142 walk its DECL_VALUE_EXPR with instantiate_expr.
12144 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12145 DW_OP_deref{,_size} if address isn't going to be added.
12147 2006-01-04 Ben Elliston <bje@au.ibm.com>
12149 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12150 * config/fp-bit.c: Likewise.
12152 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12154 * dominance.c: Add comment about why we use DFS numbering
12157 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12158 Richard Henderson <rth@redhat.com>
12160 Merge from gomp-branch:
12161 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12162 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12164 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12166 PR rtl-optimization/25578
12167 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12168 pass a parameter to simplify_shift_const if changing ASHIFTRT
12171 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12173 * builtins.c (get_builtin_sync_mem): New function.
12174 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12175 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12176 Call get_builtin_sync_mem to generate mem rtx.
12178 2006-01-03 Richard Guenther <rguenther@suse.de>
12181 * stmt.c (add_case_node): Make sure to clear overflow flags
12184 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12186 Merge from gomp-branch.
12187 * config/sparc/sync.md: New file.
12188 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12189 UNSPECV_LDSTUB): New constants.
12190 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12191 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12192 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12195 2006-01-03 Roger Sayle <roger@eyesopen.com>
12197 * combine.c (reg_subword_p): New predicate to test whether the
12198 destination of a set refers to a subword/piece of a register.
12199 (try_combine): Generalize the code to merge the setting of a
12200 pseudo to a constant followed by a set of a subword of that
12201 register to a constant.
12203 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12205 * basic-block.h (control_flow_graph): Change the type of
12206 x_label_to_block_map to VEC(basic_block,gc) *.
12207 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12208 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12210 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12211 VEC(basic_block,heap) *.
12212 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12213 ssa_prop_fini): Adjust the uses of cfg_blocks.
12215 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12217 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12219 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12220 hashing trees instead of a pointer hash.
12221 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12222 compare for MEM_EXPR.
12224 PR rtl-optimization/25130
12225 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12226 when comparing MEMs for GCSE
12228 2006-01-03 Ben Elliston <bje@au.ibm.com>
12230 * targhooks.h (default_decimal_float_supported_p): Declare.
12231 * targhooks.c (default_decimal_float_supported_p): Define.
12232 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12233 `default_decimal_float_supported_p'.
12234 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12236 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12238 * combine.c (apply_distributive_law <SUBREG>): Check
12239 TRULY_NOOP_TRUNCATION.
12241 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12243 * dwarf2out.c (have_switched_text_section): Delete.
12244 (have_multiple_function_sections): New.
12245 (have_location_lists): Make 'bool'.
12246 (add_AT_loc_list): Use 'true' not '1'.
12247 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12248 (output_loc_list): Use have_multiple_function_sections.
12249 (output_ranges): Likewise.
12250 (dwarf2out_begin_function): Set have_multiple_function_sections if
12252 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12253 Check function_section rather than DECL_SECTION_NAME.
12254 (dwarf2out_finish): Use have_multiple_function_sections.
12255 Don't clear have_location_lists.
12257 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12258 Jan Hubicka <jh@suse.cz>
12260 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12261 case of conditional jump jumping to the next instruction.
12262 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12263 cases of conditional jump jumping to the next instruction.
12265 2006-01-02 Jan Hubicka <jh@suse.cz>
12267 * i386.c (*_cost): Add COSTS_N_INSNS.
12268 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12270 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12273 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12275 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12277 * config/arm/arm.c (all_fpus): Fix comment typo.
12278 * config/darwin.c: Likewise.
12279 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12280 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12281 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12283 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12285 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12286 (rs6000_split_compare_and_swapqhi): New.
12287 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12288 (sync_compare_and_swapqhi_internal): New.
12289 * config/rs6000/rs6000-protos.h: Declare.