PR tree-optimization/24653
[official-gcc.git] / gcc / ChangeLog
blob008444d0bd9421b28ddcf380c8a254cd1a1fda1d
1 2005-11-21  Jan Hubicka  <jh@suse.cz>
3         PR tree-optimization/24653
4         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
6 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
8         * config/i386/predicates.md (ax_reg_operand): New predicate.
9         (memory_displacement_only_operand): New predicate.
10         * config/i386/i386.md ("modrm" attribute): Return 0 if one
11         operand is AX register and the other operand is memory operand
12         with displacement only.
14 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
16         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0 
17         if we don't care about NaNs or Infinities.
19 2005-11-20  Ian Lance Taylor  <ian@airs.com>
21         PR rtl-optimization/24883
22         * combine.c (combinable_i3pat): When checking whether the
23         destination of i3 is used in i3, consider paradoxical subregs.
25 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
27         PR middle-end/20583
28         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
30 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
32         * combine.c (try_combine): Do not run subst on i1src and i2src in
33         the case of generating a PARALLEL for a comparison.
35 2005-11-20  Richard Henderson  <rth@redhat.com>
37         PR 24931
38         * tree-sra.c (struct sra_elt): Add all_no_warning.
39         (struct sra_walk_fns) <use>: Add use_all argument.
40         (sra_walk_expr): Pass it.
41         (sra_walk_modify_expr): Likewise.
42         (scalarize_ldst): Likewise.
43         (scan_use): Update for new argument.
44         (mark_no_warning): New.
45         (scalarize_use): Use it.
47 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
49         * expr.c (expand_expr_real): Use usmul_optab for widening
50         signed * unsigned multiplies.
51         * genopinit.c (optabs): Add usmul_widen_optab.
52         * optabs.c (init_optabs): Likewise.
53         * optabs.h (enum optab_index): Add OTI_usmul_widen.
54         (usmul_widen_optab): Define.
55         * config/bfin/bfin.md (usmulhisi3): New pattern.
57         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
59 2005-11-20  Graham Stott <btinternet.com>
61         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
63 2005-11-20  Andreas Schwab  <schwab@suse.de>
65         PR target/24757
66         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
67         insn.
69 2005-11-19  Richard Henderson  <rth@redhat.com>
71         PR tree-opt/24665
72         * tree-gimple.c (is_gimple_id): Export.
73         * tree-gimple.h (is_gimple_id): Declare.
74         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
75         (get_default_value): Use it.
76         (maybe_fold_stmt_indirect): Likewise.
78 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
80         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
81         than VR1 or vice-versa.
83 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
85         PR middle-end/24912
86         PR middle-end/24750
87         * reload.c (find_reloads_address_1): Mention dependency on
88         gen_reload.
89         * reload1.c (gen_reload): For IN with an unary operation, try
90         moving inner expression to OUT if trivial SET is not valid.
91         Confirm that the result is valid.  Move common code block into...
92         (emit_insn_if_valid_for_reload): New function.
94 2005-11-19  Richard Guenther  <rguenther@suse.de>
96         * fold-const.c (fold_indirect_ref_1): Make sure we fold
97         ARRAY_REFs of constant strings.
99 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
101         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
102         fatal format string.
104 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
106         * combine.c (make_compound_operation): Swap operands of
107         commutative operation if necessary before returning.
109 2005-11-19  Richard Guenther  <rguenther@suse.de>
111         PR middle-end/23294
112         * fold-const.c (fold_plusminus_mult_expr): New function.
113         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
114         cases, remove now unnecessary code.
116 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
118         * gensupport.c (old_preds): Rename to std_preds, add special field.
119         (struct old_pred_table): Rename to struct std_pred_table, add special
120         field.
121         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
122         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
123         (init_predicate_table): Adjust, and set along the way whether a
124         predicate is special.
126 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
128         * BASE-VER: Change to 4.2.0.
130 2005-11-18  James E Wilson  <wilson@specifix.com>
132         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
133         returning it.
135 2005-11-18  Mike Stump  <mrs@apple.com>
137         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
138         * config/darwin-c.c (darwin_pragma_unused): Likewise.
139         * c-decl.c (lookup_name_two) Remove.
140         * c-tree.h (lookup_name_two): Remove.
141         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
142         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
143         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
144         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
145         
146 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
148         PR target/24914
149         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
150         when not generating code to use that co-processor.
152 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
154         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
155         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
156         these functions are now in tree-phinodes.c.
158 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
160         * config/bfin/bfin.md (trap): New pattern.
162 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
164         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
165         on types.
167         * expr.c (expand_expr_real): Don't call record_block_change unless
168         ib_boundaries_block is non-null
170         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
172         * fold-const.c (build_range_check): Use proper type for subtraction
173         when merging lower bound.
175 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
177         PR rtl-optimization/24497
178         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
179         the copied insn.
181 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
183         * tree-scalar-evolution.c (expression_expensive_p): New function.
184         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
186 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
188         * config/bfin/crtlibid.s: New file.
190 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
192         PR target/24348
193         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
194         when not using sjlj exceptions.
195         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
196         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
197         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
198         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
199         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
200         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
201         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
202         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
203         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
204         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
205         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
206         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
207         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
208         defines.
209         * config/pa/hpux-unwind.h: New file.
211 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
213         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
214         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
215         * varasm.c (do_assemble_alias): Adjust call.
216         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
217         is defined.
218         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
220 2005-11-17  James E Wilson  <wilson@specifix.com>
222         * tree.def (FUNCTION_DECL): Correct typo in comment.
224 2005-11-17  Richard Henderson  <rth@redhat.com>
226         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
227         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
228         and DW_CFA_def_cfa_sf.
229         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
230         (dbx_reg_number): Don't assert particular registers here.
231         (based_loc_descr): ... do it here instead.  Fold in ...
232         (eliminate_reg_to_offset): ... this function.
233         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
234         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
235         * unwind-dw2.c (execute_cfa_program): Apply data align factor
236         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
237         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
238         (instantiate_virtual_regs): Likewise.
239         * var-tracking.c (adjust_stack_reference): Likewise.
240         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
242 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
244         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
245         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
246         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
247         crtlibid.o.
248         ($(T)crtlibid.o): New rule.
250 2005-11-16  Richard Guenther  <rguenther@suse.de>
252         PR middle-end/24851
253         * fold-const.c (extract_array_ref): Return byte offset
254         in all cases.
255         (fold_binary): Fold &x[a] CMP &x[b] to
256         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
257         behavior.
259 2005-11-16  Richard Henderson  <rth@redhat.com>
261         PR middle-end/23497
262         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
263         parts of an SSA_NAME.
265 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
267         PR target/24861
268         * arm.md (split for movsf with immediate): Restrict split to insns
269         that set a general register.
271 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
273         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
274         uw_update_context.
275         * unwind-dw2.c (uw_advance_context): Likewise.
276         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
277         _Unwind_SjLj_Unregister.
278         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
280 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
282         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
284 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
286         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
287         langhook to get a DImode integer type.
289 2005-11-16  Richard Henderson  <rth@redhat.com>
290             J"orn Rennecke <joern.rennecke@st.com>
291             Ulrich Weigand  <uweigand@de.ibm.com>
293         PR rtl-opt/24160
294         PR target/24621
295         * reload1.c (reg_equiv_invariant): New.
296         (reload): Allocate, initialize, and free it.
297         (calculate_needs_all_insns): Check it when skipping equivalence
298         setting insns.
299         (alter_reg): Likewise.
300         (eliminate_regs_1): Rename from eliminate_regs.  Add new
301         may_use_invariant argument; only use reg_equiv_invariant when true.
302         (eliminate_regs): New.
303         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
304         a context for which may_use_invariant may be true.
306 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
308         * fold-const.c (const_binop): Don't constant fold the operation
309         if the result has overflowed and flag_trapping_math.
310         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
312 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
314         * config/arm/unwind-arm.c (abort): Add prototype here.
315         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
316         (struct phase1_vrs): Add prev_sp.
317         (unwind_phase2_forced): Save the original core registers instead of
318         modifying entry_vrs.  Take a new flag argument for resuming unwinding
319         and set action flags accordingly.  Always set _US_END_OF_STACK when
320         get_eit_entry fails.  Unwind before calling the stop function.
321         (_Unwind_GetCFA): New function.
322         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
323         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
324         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
325         just call unwind_phase2_forced.
326         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
327         * config/arm/unwind-arm.h (abort): Remove prototype.
328         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
329         prototypes.
330         (_Unwind_GetCFA): New prototype.
331         * config/arm/pr-support.c (abort): Add prototype here.
332         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
333         forced unwinding.
334         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
335         not schedule the prologue with non-call exceptions and EABI.
337 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
339         * config/arm/unwind-arm.h: Reorder interface function declarations.
340         (_URC_END_OF_STACK): New enumeration value.
341         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
342         (struct _Unwind_Control_Block): Document reserved field use.
343         (_Unwind_Stop_Fn): New typedef.
344         (_Unwind_ForcedUnwind): Declare.
345         (_Unwind_Resume_or_Rethrow): Declare.
346         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
347         argument.  Adjust.
348         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
349         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
350         (UCB_FORCED_STOP_ARG): New.
351         (search_EIT_table): Update boundary condition checks.
352         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
353         (unwind_phase2): Replace for with do..while.
354         (unwind_phase2_forced): New.
355         (__gnu_Unwind_RaiseException): Replace for with do..while.
356         (__gnu_Unwind_ForcedUnwind): New.
357         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
358         Use appropriate phase2 unwinder.
359         (__gnu_Unwind_Resume_or_Rethrow): New.
360         (__gnu_unwind_pr_common): Cope with forced unwinding.
362 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
364         PR target/24772
365         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
367         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
368         roundsf2): Remove "s" from mnemonic.
370 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
372         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
373         __PIC__ is defined.
374         * config/bfin/crtn.s: Change epilogues to match.
375         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
376         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
377         __PIC__ and __pic__.
379 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
381         PR 24357
382         * doc/invoke.texi: Distinguish between free and fixed form instead of
383         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
384         languages.
385         * gcc.c (default_compilers): Remove double entries, add entries for
386         suffixes '.F90' and '.F95'.
388 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
390         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
391         in the stack probing loop.
393 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
395         * configure.ac: Use .machine power5 not power5x.
396         * configure: Regenerate.
398 2005-11-15  Mike Stump  <mrs@apple.com>
400         * c-decl.c (lookup_name_two): Add.
401         * c-tree.h (lookup_name_two): Likewise.
402         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
403         * config/darwin-c.c (darwin_pragma_unused): Likewise.
405 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
407         PR rtl-optimization/23392
408         * regrename.c (enum scan_actions) Add mark_access.
409         (scan_actions_name): Ditto.
410         (scan_rtx_reg): Handle mark_access.
411         (scan_rtx_address): Do nothing for mark_access.
412         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
413         and regs in REG_INC notes before closing chains for dead regs.
414         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
415         opening chains for new writes.
417 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
419         * c.opt (ffixed-line-length-none): New.
421 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
423         * mklibgcc.in: Change contents of eh_dummy.c.
425 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
427         * loop.c (scan_loop): Do not insert temporaries for hard registers.
429 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
431         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
432         of making syscalls.
433         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
435 2005-11-15  Jan Hubicka  <jh@suse.cz>
437         * invoke.texi (large-unit-insns): Document.
438         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
439         * params.def (large-unit-insns): New param.
441 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
443         PR target/24869
444         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
445         special register for operand 3.  Reindent constraints to align
446         them vertically.
448 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
450         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
451         -mpopcntb, -mfprnd. Add -mcpu=power5+.
452         * configure.ac: Add test for FP rounding instructions.
453         * configure: Regenerate.
454         * config.in: Regenerate.
455         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
456         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
457         features enabled.
458         * config/rs6000/rs6000.opt (mfprnd): New.
459         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
460         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
461         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
462         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
463         (TARGET_FPRND): New.
464         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
465         UNSPEC_FRIZ): New.
466         (btrunc<mode>2): New.
467         (ceil<mode>2): New.
468         (floor<mode>2): New.
469         (round<mode>2): New.
471 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
473         * gcc.c (version_compare_spec_function): Use fatal() rather than
474         abort().
476         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
477         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
478         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
479         as empty.
480         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
481         link in crt2.o.
482         
483         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
484         on -mmacosx-version-min setting.
486 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
488         PR 24840
489         * tree-vrp.c (infer_value_range): Return false if STMT is a
490         block terminator and its basic block has no successors.
492 2005-11-14  Mike Stump  <mrs@apple.com>
494         * config/i386/i386.c (override_options): -masm=intel isn't
495         supported on darwin.
496         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
498 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
500         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
501         vfork after including auto-host.h.
503 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
505         PR rtl-optimization/22002
506         * combine.c (distribute_notes): Detect cases where a reg dies
507         two or more times in a bb, including on the insn we are combining,
508         and place the death note on the correct range.
510 2005-11-14  Dale Johannesen  <dalej@apple.com>
512         * expmed.c (store_bit_field):  Add offset unconditionally for
513         memory targets.
514         (extract_bit_field):  Don't force extzv or extv operand into
515         a register if field is too big.
517 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
519         * config/arm/arm.c (pic_labelno): New.
520         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
521         LABEL_REF.  Pass only the labelno to PIC insns.
522         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
523         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
524         * arm.md (UNSPEC_PIC_LABEL): New constant.
525         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
526         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
527         Use the correct label prefix.
529 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
531         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
532         REQ_EQUIV note.
534 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
536         * loop-invariant.c: Include tm_p.h.
537         * Makefile.in: Updated.
539 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
541         * pa.c (store_reg): Revise generation of frame notes in large frames.
542         (set_reg_plus_d): Likewise.
544 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
546         PR tree-optimization/24709
547         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
548         loop check.
550 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
552         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
553         and duplicate declaration of pthread_self.
555 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
556             Ian Lance Taylor  <ian@airs.com>
558         PR middle-end/24003
559         * calls.c (expand_call): If TARGET is a MEM and some part of the
560         argument area has been saved, force TARGET to a register.
562 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
564         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type 
565         checking.
567 2005-11-13  Jason Merrill  <jason@redhat.com>
569         PR c++/22489
570         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
571         lazily declared methods.
572         (force_decl_die): Stop if forcing out the context already make a
573         DIE for the decl.
574         (force_type_die): Likewise.
576 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
578         PR middle-end/24820
579         * builtins.c (integer_valued_real_p): Add break in
580         REAL_CST having TREE_OVERFLOW set.
582 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
584         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
585         addressing modes during calculation of costs.
587 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
589         * function.c (assign_stack_local_1): Restrict sanity check
590         on frame size overflow to 32-bit and above platforms.
592 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
594         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
595         * config/cris/cris.c: Include reload.h.
596         (cris_initial_elimination_offset): New function.
597         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
598         Prototype.
600 2005-11-12  Richard Guenther  <rguenther@suse.de>
602         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
604 2005-11-12  Jan Hubicka  <jh@suse.cz>
606         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
607         to compare against 0 when possible.
609 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
611         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
612         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
613         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
614         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
615         in the new order.
617 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
619         * recog.c (constrain_operands) <case 'g'>: For a match, require
620         that a non-register matches general_operand when strict >= 0.
622 2005-11-11  Steven Bosscher  <stevenb@suse.de>
624         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
625         previous checkin.
627 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
629         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
630         (memory_address_same): New.
631         (dse_optimize_stmt): Call memory_address_same.
633 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
635         PR middle-end/24750
636         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
637         ZERO_EXTEND>: New cases.
639 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
641         * longlong.h (__clz_tab): Always provide.
643 2005-11-11  Steven Bosscher  <stevenb@suse.de>
645         PR 24265
646         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
647         can be assigned to.
648         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
649         before check_maybe_invariant.
650         (move_invariant_reg): Use gen_move_insn instead of replacing
651         SET_DEST with the temporary for the invariant.
652         (move_loop_invariants): If checking is enabled, do internal
653         consistency checks after completing the pass.
655 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
657         PR 24644
658         * common.opt (Wvolatile-register-var): New.
659         * varasm.c (make_decl_rtl): Only emit warning when option
660         specified.  Clarify warning message.
661         * doc/invoke.texi (Wvolatile-register-var): Document new option.
663         * doc/md.texi (copysign): Document standard named pattern.
665 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
667         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
668         bytes when align is 2.
669         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
670         by the first instruction of the loop.
672 2005-11-11  Jason Merrill  <jason@redhat.com>
674         PR c++/24686
675         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore 
676         the cleanup list.
678 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
680         PR rtl-optimization/22509
681         * local-alloc.c (memref_used_between_p): Check whether a function call
682         could not reference the memref.
684 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
686         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
687         algorithm so as to choose the best, not the worst, alternative.
688         Reset accumulated register class before processing next alternative.
690 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
692         PR target/24445
693         * calls.c (expand_call): Copy a return value to a plain register
694         if needed.
696 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
698         PR target/24778
699         * varasm.c (assemble_name): Recompute name only for transparent
700         aliases.
702 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
704         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
706 2005-11-04  Jeff Law  <law@redhat.com>
708         PR middle-end/23181
709         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
710         perform reassociation if the parent statement will not die as
711         a result of the optimization.
713 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
715         * tree-ssa-alias.c (compute_may_aliases): Remove call to 
716         delete_old_heap_vars.
717         * tree-dfa.c (referenced_var_remove): Remove function.
718         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
719         (delete_tree_ssa): Remove call to delete_old_heapvars.
720         Add call to delete_alias_heapvars.
721         * tree-flow.h (referenced_var_remove): Remove prototype
722         (init_alias_heapvars): New prototype.
723         (delete_alias_heapvars): Ditto.
724         * Makefile.in (tree-ssa-structalias.o): Add
725         gt-tree-ssa-structalias.o
726         (GTFILES): Add tree-ssa-structalias.h and
727         tree-ssa-structalias.c.
728         (s-gtype): Add gt-tree-ssa-structalias.h.
729         * tree-ssa-structalias.c (heapvars): Remove.
730         (oldheapvars): Remove.
731         (heapvar_for_stmt): New variable.
732         (heapvar_lookup): New function.
733         (heapvar_insert): Ditto.
734         (get_constraint_for): See if we have an old heapvar
735         to reuse.
736         (init_alias_heapvars): New function.
737         (delete_alias_heapvars): Ditto.
738         Add include of gt-tree-ssa-structalias.h.
740 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
742         PR middle-end/22127
743         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
745 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
747         * tree.c (int_fits_type_p): Only look at the base type
748         if it has the same precision as the original type.
750 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
752         PR other/4372
753         * varasm.c (assemble_alias): Use %q+D in the error
754         message instead of %J and %qD.
756 2005-11-10  Richard Guenther  <rguenther@suse.de>
758         * gcse.c (free_ldst_entry): Only free hashtable if
759         it exists.
761 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
763         * function.c (assign_stack_local_1): Issue an error message if
764         the frame size overflows in the signed target arithmetics.
766 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
768         * tree.c (build_qualified_type): Chain the new type to the original
769         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
770         a POINTER_TYPE or a REFERENCE_TYPE respectively.
771         (build_pointer_type_for_mode): Only return unqualified types.
772         (build_reference_type_for_mode): Likewise.
774 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
776         * Makefile.in (gnucompare): Do comparison of all files using one of
777         the chosen methods and only afterwards decide if just warning should
778         be issued or comparison failure raised.
780 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
782         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
783         (noce_try_abs): Negate if the comparison is reversed.
784         Look only one instruction backwards for a REG_EQUAL note.
786 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
788         PR other/4372
789         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
790         gthr-tpf.h: Define __gthrw.  For all identifiers that might
791         be weak, introduce weakrefs or non-weak aliases with __gthrw,
792         and prefix all uses with __ghtrw.
794 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
796         PR other/4372
797         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
798         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
799         * c-common.c (handle_weakref_attribute): New.
800         (c_common_attribute_table): Add weakref.
801         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
802         in the assembler.
803         * configure, config.in: Rebuilt.
804         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
805         * doc/extend.texi: Document weakref attribute.
806         * varasm.c (ultimate_transparent_alias_target): New
807         (assemble_name): Use it.
808         (weak_finish_1): Split out of...
809         (weak_finish): ... and deal with weakrefs in...
810         (weakref_targets): ... new list.
811         (globalize_decl): Clean up weakref_targets.
812         (do_assemble_alias): Handle weakrefs.
813         (finish_aliases_1): Do not reject weakrefs to external symbols.
814         (assemble_alias): Handle weakrefs.
816 2005-11-09  Richard Guenther  <rguenther@suse.de>
818         PR tree-optimization/24716
819         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
820         t_bool to track results from follow_ssa_edge.
822 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
824         * final.c (force_source_line): New global variable.
825         (final_scan_insn): Set it to true instead of clearing last_filename.
826         (notice_source_line): Return true if force_source_line is true,
827         unless source info is absent.
829 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
831         PR c/24644
832         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
833         a linkage name for a variable if it a register variable.
834         * c-decl.c (grokdeclarator): Global register variables
835         should be set as PUBLIC.
837 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
839         PR 24624
840         * config/s390/s390.c (struct s390_frame_layout): New fields 
841         first_save_gpr_slot and last_save_gpr_slot.
842         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,  
843         s390_emit_epilogue, s390_initial_elimination_offset): Replaced 
844         first_save_gpr and last_save_gpr with the _slot variants.
845         (s390_register_info): Calculate first_save_gpr_slot and 
846         last_save_gpr_slot using regs_ever_live.
848 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
850         PR 24623
851         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
852         for a function containing a landing pad.
854 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
856         PR 24034
857         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
858         is live afterwards.
860 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
862         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
863         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
865 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
867         Add ms2 support
868         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
869         constants.
870         (call,load,store): New insn types.
871         (mem_access, branch_access): Adjust reservation conditions.
872         (define_delay): Adjust condition.
873         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
874         type.
875         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
876         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
877         insn type.
878         (call_internal, call_value_internal, return_internal,
879         return_interrupt_internal, eh_return_internal, indirect_jump,
880         tablejump): Set call insn type.
881         (blockage, ei, di): Use appropriate unspec const.
882         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
883         (ms1_get_attr_type): Adjust to give load & store types.
884         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
885         backwards past a barrier.
886         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
887         branch scheduling.
888         (struct branch_info, struct label_info): New.
889         (ms1_labels): New.
890         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
891         (ms1_machine_reorg): New.
892         (TARGET_MACHINE_DEPENDENT_REORG): Override.
893         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
894         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
895         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
896         (TARGET_MS2): New.
898 2005-11-09  Per Bothner  <per@bothner.com>
899             Uros Bizjak  <uros@kss-loka.si>
900         
901         PR c/24101
902         * toplev.c (process_options): Initialize debug_hooks early
903         in case lang_hooks.post_options ends up calling a debug_hook.
905 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
907         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
908         DBX_REGISTER_NUMBER being contiguous.
910 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
911             Diego Novillo  <dnovillo@redhat.com>
913         PR 23046
914         * tree-vrp.c (register_edge_assert_for): Do not register
915         always-false predicates.
917 2005-11-08  Devang Patel <dpatel@apple.com>
919         PR tree-optimization/23115
920         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
921         relation.
923 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
925         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
926         -mcpu=440.
928 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
930         Fix PR tree-optimization/23382
932         * tree-ssa-alias.c (compute_may_aliases): Call
933         delete_old_heap_vars.
934         * tree-dfa.c (referenced_var_remove): New function.
935         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
936         * tree-flow.h (referenced_var_remove): Add prototype.
937         (delete_old_heap_vars): Ditto.
938         * tree-ssa-structalias.c (heapvars): New variable.
939         (oldheapvars): Ditto.
940         (get_constraint_for): Put heap vars on heapvars list.
941         (delete_old_heap_vars): New function.
942         
943 2005-11-08  Jason Merrill  <jason@redhat.com>
945         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
947 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
949         PR target/19340
950         * reg-stack.c (reg_to_stack): Update register liveness also
951         for flag_sched2_use_traces.
953 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
955         PR target/23704
956         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
957         override prior explicit -mno-powerpc-gfxopt.
959 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
961         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
962         if the bitsize is zero.
963         * doc/md.texi (Standard Pattern Names): Document it.
965         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
966         (TARGET_PASS_BY_REFERENCE): Likewise.
968 2005-11-07  Ian Lance Taylor  <ian@airs.com>
970         PR rtl-optimization/24683
971         * config/i386/i386.c (legitimize_pic_address): If constant operand
972         to PLUS is too large, put it in a register.
974 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
976         * configure.ac: Enable checking assembler dwarf2 support for bfin
977         target.
978         * configure: Regenerate.
980 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
982         PR target/24230
984         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
985         gen_easy_vector_constant_add_self): Delete.
986         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
987         New.
988         (output_vec_const_move): Use gen_easy_altivec_constant.
989         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
990         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
991         (easy_vector_constant_add_self): Rewritten.
992         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
993         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
994         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
995         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
996         Macroize and adjust for the other changes.
998 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
1000         PR c/24599
1002         * c-typeck.c (build_c_cast): Try using a shared constant, and see
1003         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1005 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
1007         PR rtl-optimization/23567
1008         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1009         (noce_process_if_block): Don't do any optimizations except
1010         if (cond) x = x; if !set_b and write into orig_x may trap
1011         or fault.  Remove the MEM_READONLY_P check.
1013 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
1015         PR 24670
1016         * tree-vrp.c (fix_equivalence_set): New.
1017         (extract_range_from_assert): Call it.
1019 2005-11-05  Ian Lance Taylor  <ian@airs.com>
1021         PR target/22432
1022         * combine.c (apply_distributive_law): Don't distribute across a
1023         vector mode subreg.
1025 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
1027         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
1028         config/ms1/ms1.h, config/rs6000/predicates.md,
1029         config/s390/s390.c, params.def, postreload-gcse.c,
1030         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
1031         tree-vrp.c, tree.c: Fix comment typos.
1032         * doc/invoke.texi: Fix typos.
1034 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
1036         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
1037         for testing whether the data_dependence_relation contains distance
1038         vectors.  Iterate over all distance vectors of the ddr.
1039         * lambda.h: Define a vec of lambda_vector pointers.
1040         * tree-data-ref.c (dump_data_dependence_relation,
1041         dump_data_dependence_direction): Iterate over all distance and
1042         direction vectors of the ddr.
1043         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
1044         DDR_DIST_VECTS.
1045         (build_classic_dist_vector, build_classic_dir_vector): Push a set
1046         of distance/direction vectors instead of a single one.
1047         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist 
1048         lambda_vectors with a vec of lambda_vectors.
1049         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
1050         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
1051         DDR_NUM_DIST_VECTS): New.
1052         * tree-loop-linear.c (gather_interchange_stats): Test for the
1053         existence of distance vectors only after having checked that there
1054         is a dependence.  Iterate over all distance vectors of the ddr.
1055         (linear_transform_loops): Use dump_data_dependence_relation.
1056         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
1057         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
1058         distance vectors of the ddr.
1060 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1062         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
1063         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
1064         IS_INTHANDLER; all callers changed.
1065         (n_regs_saved_by_prologue): Take interrupt handler attributes into
1066         account.
1067         (do_link, do_unlink): New argument ALL; all callers changed.
1068         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
1069         If function isn't leaf, save and restore all registers.
1070         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
1071         exception handler.
1073 2005-11-05  Jan Hubicka  <jh@suse.cz>
1075         PR rtl-optimization/23490
1076         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
1077         max-flow-memory-location): Document.
1078         * flow.c: Include params.h
1079         (MAX_MEM_SET_LIST_LEN): Kill.
1080         (add_to_mem_set_list): Use new param.
1081         * cse.c (cse_basic_block): Replace 1000 by new param.
1082         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
1083         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
1084         * predict.c (predict_loops): Use new param.
1085         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
1087         * ipa-inline.c (cgraph_decide_inlining_of_small_function, 
1088         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
1089         Do not hold memory returned by cgraph_node_name across other call.
1091 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
1093         PR target/23424
1094         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
1095         Disable.
1097 2005-11-04  Jeff Law  <law@redhat.com>
1099         PR/21883
1100         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
1101         * tree-ssa-dom.c: Include params.h.
1102         (thread_across_edge): If there are too many statements in the
1103         target block, then do not thread through it.
1104         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
1105         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
1107 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
1109         PR 24627
1110         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
1111         TODO_update_ssa instead of TODO_update_ssa_no_phi.
1113 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
1115         PR/18595
1116         * tree-scalar-evolution.c (instantiate_parameters_1,
1117         instantiate_parameters, resolve_mixers): Compute the size of an
1118         expression to be instantiated and give up the instantiation if the
1119         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1121 2005-11-04  Richard Guenther  <rguenther@suse.de>
1123         * tree-flow.h (ref_contains_indirect_ref): Rename to
1124         array_ref_contains_indirect_ref.
1125         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
1126         (array_ref_contains_indirect_ref): Make comment match the code
1127         and vice-versa.
1128         (ref_contains_array_ref): Likewise.
1129         * tree-ssa-structalias.c (find_func_aliases): Remove call to
1130         ref_contains_indirect_ref.
1131         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1132         Rename calls to ref_contains_indirect_ref.
1134 2005-11-04 Paul Brook  <paul@codesourcery.com>
1136         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
1137         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
1138         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1139         * config/arm/arm.md: Use match_operand in peephole input templates
1140         and match_dup in peephole output templates.
1142 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
1144         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
1145         __aeabi_uidiv.
1147 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
1148             Daniel Jacobowitz  <dan@codesourcery.com>
1150         * longlong.h (add_ssaaaa): Clobber condition code register
1151         in ARM version.
1152         (sub_ddmmss): Likewise.
1153         (umul_ppmm): Likewise.
1155 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
1156             Paul Brook  <paul@codesourcery.com>
1157             Phil Blundell  <pb@reciva.com>
1159         * configure.ac: Add test for ARM TLS support.
1160         * configure: Regenerated.
1161         * config/arm/arm-protos.h (legitimize_tls_address)
1162         (arm_tls_referenced_p, tls_mentioned_p)
1163         (arm_output_addr_const_extra): New prototypes.
1164         (thumb_legitimize_pic_address): Delete.
1165         * config/arm/arm.c: Include "gt-arm.h".
1166         (enum tls_reloc): New.
1167         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
1168         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
1169         (arm_call_tls_get_addr, legitimize_tls_address)
1170         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
1171         (arm_init_tls_builtins, arm_emit_tls_decoration)
1172         (arm_output_addr_const_extra): New functions.
1173         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
1174         (TARGET_HAVE_TLS): Define.
1175         (target_thread_pointer): New.
1176         (arm_override_options): Handle -mtp=.
1177         (legitimize_pic_address): Ignore UNSPECs.
1178         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
1179         relative symbols.
1180         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
1181         (tls_get_addr_libfunc): New variable.
1182         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
1183         (arm_init_builtins): Call arm_init_tls_builtins.
1184         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
1185         (arm_encode_section_info): Call default_encode_section_info.
1186         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
1187         (enum arm_tp_type): New.
1188         (target_thread_pointer): Add declaration.
1189         (LEGITIMATE_CONSTANT_P): Handle TLS.
1190         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
1191         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
1192         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
1193         * config/arm/arm.md: Add UNSPEC_TLS.
1194         (movsi): Handle TLS.
1195         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
1196         non-PIC.
1197         (tls_load_dot_plus_eight): New insn and a peephole to create it.
1198         (load_tp_hard, load_tp_soft): New insns.
1199         * arm.opt: Add -mtp=.
1200         * doc/invoke.texi (ARM Options): Document -mtp.
1202 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
1204         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
1205         * config/arm/libunwind.S: Include "lib1funcs.asm".
1206         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
1207         (LIB2ADDEH): Add libunwind.S.
1208         (LIB2ADDEHDEP): Add lib1funcs.asm.
1209         * mklibgcc.in: Handle asm files in libgcc_eh.a.
1211 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1213         PR fortran/18452
1214         * gcc/c.opt: Add a -lang-fortran option.
1215         * gcc/c-opts.c: Add a lang_fortran flag.
1216         (c_common_init_options): Handling the -lang-fortran option.
1217         (c_common_handle_option): Add a case for Fortran options in
1218         preprocessing. Remove cases for -ffixed-form and
1219         -ffixed-line-length. Add a case for -lang-fortran.
1221 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
1223         * config/rs6000/rs6000.c: Include params.h
1224         (optimization_options): Set max-grow-copy-bb-insns default to 16.
1225         (bdesc_2arg): Delete vpkuhss and vpkuwss.
1226         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
1227         (UNSPEC_VPKUWSS): Delete.
1228         (altivec_vpkuhss): Delete.
1229         (altivec_vpkuwss): Delete.
1230         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
1231         final condition.
1232         (neg_eq0<mode>): Remove final condition.
1233         (neg_eq<mode>): Remove condition and split-condition.
1235 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
1237         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
1238         Use associated print macros.
1240 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
1242         PR c++/17964
1243         * diagnostic.c (diagnostic_set_info_translated): New function.
1244         (diagnostic_set_info): Use it.  Add comment.
1245         * diagnostic.h (diagnostic_set_info_translated): Declare.
1247 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
1249         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
1250         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
1251         reference only if 'public' is true.
1252         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
1253         emit the .hidden directive only if the indirect reference is public.
1254         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
1255         Pass it to dw2_force_const_mem.
1256         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
1257         * dwarf2out.c (output_cfi): Adjust calls to above function.
1258         (output_call_frame_info): Likewise.
1259         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
1260         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
1262 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
1264         PR tree-optimization/24483
1265         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
1266         field to elts if possible.
1268 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
1270         PR middle-end/23155
1271         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
1272         CONSTRUCTOR.
1274 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
1276         Fix PR tree-optimization/24351
1278         * tree-ssa-structalias.c (struct variable_info): Add
1279         collapsed_into.
1280         (get_varinfo_fc): New function to follow collapsing.
1281         (new_var_info): Set collapsed_to to NULL.
1282         (dump_constraint): Follow collapsing.
1283         (build_constraint_graph): Handle collapsing.
1284         (do_simple_structure_copy): Return false if something bad
1285         happened.
1286         (collapse_rest_of_var): New function.
1287         (do_structure_copy): Collapse if do_simple_structure_copy returns
1288         false.
1289         
1290 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
1292         PR middle-end/24589
1293         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
1294         expressions to a statement list instead of gimplifying them.
1296 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
1298         PR rtl-optimization/23585
1299         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
1300         that can't trap plus a constant integer, if the mode has zero size.
1302 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
1304         PR target/24620
1305         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
1306         as operand 2.
1307         ("*insv<mode>_reg_extimm"): Likewise.
1309 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
1311         PR c/24329
1312         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
1313         c_common_type_for_mode returns an unnamed type.
1315 2005-11-02  Richard Henderson  <rth@redhat.com>
1317         PR target/9350
1318         PR target/24374
1319         * dwarf2out.c (dwarf2out_reg_save_reg): New.
1320         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
1321         * function.c (assign_parms): Use calls.internal_arg_pointer.
1322         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
1323         code.
1324         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
1325         (TARGET_CALLS): Add it.
1326         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
1327         * targhooks.c (default_internal_arg_pointer): New.
1328         * targhooks.h (default_internal_arg_pointer): Declare.
1329         * tree.h (dwarf2out_reg_save_reg): Declare.
1330         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
1331         * config/i386/i386.c (dbx_register_map): Add return column.
1332         (dbx64_register_map, svr4_dbx_register_map): Likewise.
1333         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
1334         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
1335         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
1336         (ix86_save_reg): Save force_align_arg_pointer.
1337         (ix86_emit_save_regs): Make regno unsigned.
1338         (ix86_emit_save_regs_using_mov): Likewise.
1339         (ix86_expand_prologue): Handle force_align_arg_pointer.
1340         (ix86_expand_epilogue): Likewise.
1341         * config/i386/i386.h: (dbx_register_map): Update.
1342         (dbx64_register_map, svr4_dbx_register_map): Update.
1343         (struct machine_function): Add force_align_arg_pointer.
1344         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
1345         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
1346         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
1348 2005-11-02  Jan Hubicka  <jh@suse.cz>
1350         PR target/23303
1351         * i386.md: Add peep2 for simplyfing array accesses.
1353 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
1355         PR target/24615
1356         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
1357         * config/s390/s390.c (s390_decompose_shift_count): New function.
1358         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
1359         (print_shift_count_operand): Use s390_decompose_shift_count.
1360         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
1361         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
1363 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
1365         PR target/24600
1366         * loop.c (loop_givs_rescan): Use force_operand to expand
1367         complex GIVs.
1369 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
1371         PR 22429
1372         * fold-const.c (build_range_check): Use unsigned when signed
1373         overflow is undefined also.  If etype is subtype, make sure that
1374         the subtraction is in the supertype.
1376 2005-11-02  Richard Henderson  <rth@redhat.com>
1378         PR target/24178
1379         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
1380         by MEM_ALIGN.
1382 2005-11-01  Richard Henderson  <rth@redhat.com>
1384         PR 21518
1385         * loop.c (scan_loop): Do not propagate computations to a hard
1386         register destination with SMALL_REGISTER_CLASSES.
1388 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
1390         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
1391         costs for MULT inside PLUS or MINUS.
1393 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
1395         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
1396         (TRAMPOLINE_SIZE): Round up to 60.
1397         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
1399 2005-10-31  James E. Wilson  <wilson@specifix.com>
1401         PR debug/24444
1402         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
1403         ifdef.  Put ifdefs around call in gen_subprogram_die.
1404         (compute_frame_pointer_to_cfa_displacement): Likewise.
1405         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
1406         not defined.
1407         
1408         PR rtl-optimization/17356
1409         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
1410         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
1412 2005-10-31  Jan Hubicka  <jh@suse.cz>
1414         PR middle-end/24093
1415         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
1417         PR target/20928
1418         * i386.c (legitimize_pic_address): Deal with large immediates.
1420         PR profile/20815
1421         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
1422         from symbol names while computing checkup.
1424         PR profile/24487
1425         * predict.c (predict_loops): Do not estimate more than
1426         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
1427         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
1429 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
1430         
1431         PR tree-optimization/19097
1432         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
1434 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
1436         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
1438 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
1440         PR middle-end/23492
1441         * tree-inline.c (setup_one_parameter): If the init_stmt
1442         is NULL, don't insert the statement.
1444 2005-10-30  Jan Hubicka  <jh@suse.cz>
1446         PR tree-optimization/24172
1447         * tree-inline.c (copy_body_r): Unshare the substituted value first.
1449 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
1451         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
1452         constants for hosts with long != 32 bits.
1454 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
1456         PR middle-end/24093
1457         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
1459 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
1461         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
1462         (TARGET_MS1_16_002): New.
1463         (TARGET_MS1_16_003): New.
1465         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
1466         ("*decrement_and_branch_until_zero_no_clobber"): New.
1467         Add corresponding splitter for decrement_and_branch_until_zero
1468         instruction.
1469         Key all decrement_and_branch_until_zero patterns off of
1470         TARGET_MS1_16_003.
1472 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
1474         PR middle-end/24362
1475         * tree-complex.c (extract_component): Treat RESULT_DECL
1476         like the rest of the decls.
1478 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
1480         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
1481         indirect call to _mcount if the function needs a static chain.
1483 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
1484             Caroline Tice  <ctice@apple.com>
1486         PR rtl-optimization/24460
1487         * dwarf2out.c (have_switched_text_sections): New boolean variable.
1488         (dwarf2out_switch_text_section): Set it to true instead of
1489         incrementing separate_line_info_table_in_use.
1490         (output_loc_list): Additionally test have_switched_text_sections.
1491         (output_ranges): Likewise.
1492         (dwarf2out_finish): Likewise.
1493         * varasm.c (assemble_start_function): Do not call
1494         insert_section_boundary_note.
1495         (assemble_end_function): If flag_reorder_blocks_and_partition,
1496         switch to the function's section before emitting the .size directive.
1497         * bb-reorder.c (insert_section_boundary_note): Staticify.
1498         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
1499         * output.h (insert_section_boundary_note): Delete.
1501 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
1503         PR c/23103
1504         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
1505         instead of pointer equality when comparing types.
1507 2005-10-24  James E. Wilson  <wilson@specifix.com>
1509         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
1510         add_dependence_list_and_free calls.
1512 2005-10-24  Steven Bosscher  <stevenb@suse.de>
1514         * contrib.texi: Add the names of the LLNL folks who donated
1515         Cray pointer support for gfortran.
1517 2005-10-24  Steven Bosscher  <stevenb@suse.de>
1519         PR tree-optimization/24225
1520         * profile.c (branch_prob): Look from end to start through a
1521         basic block when looking for a locus.
1523 2005-10-24  Richard Henderson  <rth@redhat.com>
1525         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
1526         parallel.
1527         (hppa_expand_prologue): Likewise.
1529 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1531         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
1532         (NO_DEFERRED_PROFILE_COUNTERS): Define.
1533         * pa.h (NO_PROFILE_COUNTERS): Define.
1534         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
1535         (funcdef_nos): New vector to hold label numbers of deferred profile
1536         counters.
1537         (output_deferred_profile_counters): New function.
1538         (hppa_profile_hook): Push label number onto funcdef_nos.
1539         (pa_hpux_file_end): Call output_deferred_profile_counters if
1540         NO_DEFERRED_PROFILE_COUNTERS is false.
1542         * pa-protos.h (get_deferred_plabel): New prototype.
1543         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
1544         Make global.
1545         (output_call): Adjust calls.
1547 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
1549         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
1550         peculiarity of GOT/TOC section usage.
1552 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
1554         PR objc/24435
1555          * c-common.c (constant_string_class_name): Add documentation.
1557 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
1559         PR target/23832
1560         * recog.c (peephole2_optimize): Increment peep2_current_count
1561         only when the slot is empty.
1563 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1565         PR ada/23957
1566         * except.c (output_function_exception_table): Call
1567         assemble_external_libcall if we need a personality function.
1569 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1571         PR rtl-optimization/24460
1572         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
1573         set the basic block for barriers.
1575 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
1577         * var-tracking.c (vt_initialize): Initialize post.
1579 2005-10-21  Devang Patel  <dpatel@apple.com>
1581         PR/24220
1582         * c-common.c (vector_types_convertible_p): Check vector element type.
1583         
1584 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1586         * config/sh/sh.c (prepare_move_operands): Handle the address
1587         constant which is a tls symbolic address plus a constant.
1589 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
1591         PR driver/24473
1592         * gcc.c (main): Use the correct counter for erroring out
1593         about mulitple files.
1595 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
1597         PR target/24465
1598         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
1599         use r2 for 64-bit tls .got access.
1601 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
1603         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
1604         TRUTH_OR_EXPR.
1606 2005-10-20  Steven Bosscher  <stevenb@suse.de>
1608         PR tree-optimization/24307
1609         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
1611 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
1613         PR middle-end/24295
1614         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
1615         alias targets.
1616         * varasm.c (find_decl_and_mark_needed): After cgraph global info
1617         is ready, stop marking functions, but still mark variables.
1619 2005-10-20  Richard Guenther  <rguenther@suse.de>
1621         PR c++/24439
1622         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
1623         void type operands.
1625 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
1627         PR rtl-optimization/23585
1628         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
1629         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
1630         (may_trap_p_1): New predicate extracted from...
1631         (may_trap_p): ... here.  Invoke may_trap_p_1.
1632         (may_trap_or_fault_p): New predicate.
1633         * rtl.h (may_trap_or_fault_p): Declare it.
1634         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
1635         instead of may_trap_p.
1636         (steal_delay_list_from_fallthrough): Likewise.
1637         (fill_simple_delay_slots): Likewise.
1638         (fill_slots_from_thread): Likewise.
1639         * function.c (pad_to_arg_alignment): Rework comment about
1640         SPARC_STACK_BOUNDARY_HACK.
1641         * config/sparc/sparc.h: Likewise.
1643 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
1645         * config/s390/s390.c (s390_expand_insv): New.
1646         * config/s390/s390-protos.h (s390_expand_insv): Declare.
1647         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
1648         ("icm_hi"): Remove mode attribute.
1649         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
1650         Adjust all uses.
1651         ("*extracthi", "*extractqi"): Remove.
1652         (extv<mode>", "*extzv<mode>"): New.
1653         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
1654         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
1656 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1658         * cfgexpand.c (discover_nonconstant_array_refs_r,
1659         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
1660         (tree_expand_cfg): Call discover_nonconstant_array_refs.
1661         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
1662         discover_nonconstant_array_refs.
1664 2005-10-19  Steven Bosscher  <stevenb@suse.de>
1666         PR c/23228
1667         * c-decl.c (pop_scope): Don't warn about an unused variable
1668         if it is marked with TREE_NO_WARNING.
1669         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
1670         somenow mismatch and olddecl is to be replaced.
1672 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1674         PR middle-end/23199
1675         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
1676         whether registers live on the edge can be saved/restored.
1678 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
1680         * config/sh/sh.c (fixup_mova): Skip notes.
1682 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1684         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
1685         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
1686         (s390_can_eliminate): Handle BASE_REGNUM elimination.
1687         (s390_initial_elimination_offset): Likewise.
1688         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
1689         register on TARGET_ZARCH targets.
1690         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
1691         (INITIAL_FRAME_POINTER_OFFSET): Remove.
1692         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
1693         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
1695 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1697         * config/s390/s390.md: Comment describing output modifiers updated.
1698         * config/s390/s390.c (print_operand): Likewise.
1700 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1702         * config/s390/s390.c (override_options): Added check for -mstack-size
1703         64k limitation.
1704         * doc/invoke.texi: Mention that limit in the documenation.
1706 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
1708         PR #19672
1709         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
1711 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
1713         Fix PR tree-optimization/24231
1715         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
1716         (compute_avail): Ditto.
1718 2005-10-18  Richard Henderson  <rth@redhat.com>
1720         PR target/24428
1721         * config/i386/i386.c (legitimate_constant_p): Check
1722         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
1723         if LABEL_REF.
1724         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
1725         (legitimate_pic_address_disp_p): Reorg CONST checking to make
1726         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
1727         directly.
1728         (print_operand_address): Likewise.
1729         * config/i386/predicates.md (x86_64_immediate_operand): Test
1730         SYMBOL_REF_TLS_MODEL properly inside CONST.
1731         (x86_64_zext_immediate_operand): Likewise.
1732         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
1733         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
1734         * config/i386/i386-protos.h: Remove predicates.md entries.
1736 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
1738         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1739         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
1741 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
1742             Ian Lance Taylor <ian@airs.com>
1744         PR middle-end/23522
1745         * fold-const.c (fold_widened_comparison): Do not allow range based
1746         constant folding when right operand cannot be unwidened.
1748 2005-10-17  Richard Henderson  <rth@redhat.com>
1750         * builtins.c (expand_builtin_synchronize): Build a new-style asm
1751         with a memory clobber.
1753 2005-10-17  James E Wilson  <wilson@specifix.com>
1755         PR rtl-optimization/17356
1756         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
1757         checking for EDGE_EH.
1759 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
1761         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
1762         the slot on an even boundary for any type with 16-byte alignment.
1764 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
1766         PR target/23424
1767         * md.texi (Modifiers) <%>: Clarify that % doesn't work
1768         after register allocation.
1770 2005-10-17  DJ Delorie  <dj@redhat.com>
1772         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
1773         as frame related.
1775 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
1777         PR c++/22551
1778         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
1779         overflow flags.
1781 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1783         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
1784         to 2 if it's already non-zero.
1785         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
1786         is set and warn about it if flag_schedule_insns is 1.
1788 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
1790         * config/crx/crx.md: Compare-and-branch instructions need to
1791         invalidate CC.
1793 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
1795         PR target/24315
1796         * config/i386/i386.md (*pushdi2_rex64 splitter)
1797         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
1798         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
1799         flow2 pass only when (optimize > 0 && flag_peephole2).
1801 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
1803         PR driver/22544
1804         * gcc.c (have_c): New static variable.
1805         (have_o): Likewise.
1806         (process_command): Remove declation of have_c.
1807         Set have_o to 1 when handling -o.
1808         (main): Add a fatel error if there are multiple
1809         files specified and -o and -c/-S is passed witout
1810         -combine or multiple languages.
1812 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
1814         Fix PR tree-optimization/22444
1815         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
1816         Assert that we don't hit something with subvars.
1817         (setup_pointers_and_addressables): Don't add things with subvars,
1818         because we'll already process the subvars for aliasing purposes.
1820 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
1822         PR target/23424
1823         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
1824         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
1825         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
1826         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
1827         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
1828         swapped, alternatives for the R constraint.
1830         PR middle-end/24341
1831         * builtins.c (get_builtin_sync_mode): Make unlimited
1832         mode_for_size request.
1834 2005-10-15  Richard Henderson  <rth@redhat.com>
1836         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
1837         (gimplify_expr): ... here.
1838         (gimplify_compound_lval): Use it in initial scan loop.  Allow
1839         fb_lvalue in base expression.
1841 2005-10-15  Richard Henderson  <rth@redhat.com>
1843         PR 23714
1844         * builtins.c (expand_builtin_trap): Export.
1845         * expr.h (expand_builtin_trap): Declare.
1846         * expr.c (expand_assignment): Emit a trap for integral offsets 
1847         from registers that weren't reduced to bitpos.
1849         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
1850         (mark_array_ref_addressable): Remove.
1851         * tree-flow.h (mark_array_ref_addressable): Remove.
1852         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
1854 2005-10-15  James E Wilson  <wilson@specifix.com>
1856         PR target/24232
1857         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
1858         (add_dependence_list_and_free): Likewise.
1859         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
1860         call.
1862 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
1864         PR 23141
1865         PR 23142
1866         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
1867         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
1868         anti-range.
1869         (vrp_visit_phi_node): Only prevent infinite iterations when
1870         the previous result and the new result are both VR_RANGEs.
1872 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
1874         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
1875         function comment.
1877 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1879         PR c/23439
1880         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
1881         to initialize loc.
1883 2005-10-14  Per Bothner  <per@bothner.com>
1885         PR preprocessor/21250
1886         * c-ppoutput.c (print_line): Print internal line 0 as 1.
1888 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
1890         PR c++/22551
1891         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
1892         overflow flags.  Refactor some conditionals.
1894 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
1896         PR tree-opt/21304
1897         * tree-dfa.c (add_referenced_var): Only look at decls which
1898         have TREE_CONSTANT or TREE_READONLY set instead of if
1899         !TREE_PUBLIC or !TREE_CONSTANT.
1901 2005-10-13  James E Wilson  <wilson@specifix.com>
1903         * doc/invoke.texi: For -x, add f95-cpp-input.
1904         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
1906 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
1908         PR tree-optimization/24262
1909         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
1910         in loop all the time.
1912 2005-10-12  Richard Henderson  <rth@redhat.com>
1914         PR c/24255
1915         * tree.h (DECL_TRANSPARENT_UNION): Remove.
1916         * function.c (assign_parm_find_data_types): Don't support it.
1917         * print-tree.c (print_node): Likewise.
1918         * c-common.c (handle_transparent_union_attribute): Likewise.
1919         Use build_duplicate_type.
1920         * tree-inline.c (remap_type_1): Split out of remap_type;
1921         properly remap aggregate fields.
1922         (build_duplicate_type): New.
1923         * doc/extend.texi (Variable Attributes): Remove documentation
1924         for transparent_union.
1926 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1928         PR target/24284
1929         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
1930         (gen_stack_pointer_dec): Likewise.
1932 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
1934         PR middle-end/21275
1935         PR middle-end/21766
1936         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
1937         target hook.
1938         (struct cxx): Add adjust_class_at_definition target hook.
1939         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
1940         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
1941         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to 
1942         hook_void_tree. Add to TARGET_CXX.
1943         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
1944         dllimport_flag.
1945         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
1946         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
1947         instead of attribute. Check for dllexport override.  Warn if
1948         inconsistent dll linkage. Don't lose old dllimport if decl has
1949         had address referenced.   Tweak lookup of dllimport atribute.  
1950         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
1951         for target specific rules.  Don't add dllimport attribute if
1952         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
1953         dllimport attribute. 
1954         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
1955         * varasm.c (initializer_constant_valid_p): Replace
1956         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
1958         PR target/21801
1959         PR target/23589
1960         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to 
1961         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
1962         (i[34567]86-*-mingw32*): Likewise.
1964         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
1965         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
1966                         
1967         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
1968         C++-specific code. Change return value to bool. 
1969         (i386_pe_dllimport_p): Likewise.
1970         (associated_type): Simplify and make language-independent
1971         (i386_pe_encode_section_info): Replace override of ambiguous
1972         dllimport symbol refs with a gcc_assert.
1973         (i386_pe_valid_dllimport_attribute_p): Define.
1974         * config/i386/winnt-cxx.c: New file. Define C++ versions of
1975         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1976         i386_pe_adjust_class_at_definition.
1977         * config/i386/winnt-stubs.c: New file. Define stub versions of
1978         lang-specific functions.
1979         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
1980         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p, 
1981         i386_pe_adjust_class_at_definition.
1982         (i386_pe_valid_dllimport_attribute_p): Declare. 
1983         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
1984         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
1985         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
1987         PR target/19704
1988         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
1989         dllimport attribute with test of DECL_DLLIMPORT_P.
1991 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
1993         * combine.c (make_extraction): Correct offset computation.
1995 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
1997         * config/cris/t-linux (LIMITS_H_TEST): Define.
1999 2005-10-12  Richard Henderson  <rth@redhat.com>
2001         PR rtl-opt/23324
2002         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2004 2005-10-12  Richard Guenther  <rguenther@suse.de>
2006         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2008 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
2010         PR c++/19964
2011         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
2012         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
2013         type.
2015 2005-10-12  Richard Guenther  <rguenther@suse.de>
2017         PR c++/23799
2018         * varasm.c (output_constant): Correct typo from previous
2019         patch by DJ.
2021 2005-10-11  Ian Lance Taylor  <ian@airs.com>
2023         PR rtl-optimization/13931
2024         * combine.c: Revert patch of 2003-05-14, and:
2025         (try_combine): Only set elim_i1 and elim_i2 if the destination is
2026         completely killed in the appropriate insn.
2027         (distribute_notes): Don't skip multiple hard register test for
2028         elim_i1 and elim_i2.
2030 2005-10-11  Richard Henderson  <rth@redhat.com>
2032         PR c/24255
2033         * c-typeck.c (convert_for_assignment): Use build_constructor_single
2034         to initialize a transparent union instead of a nop_expr.
2036 2005-10-11  Richard Henderson  <rth@redhat.com>
2038         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
2039         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
2040         (tree_ssa_dce_loop): Call scev_reset.
2042         PR tree-opt/24300
2043         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
2044         * tree-ssa-dce.c: Include cfgloop.h.
2045         (tree_ssa_dce_loop, pass_dce_loop): New.
2046         * tree-pass.h (pass_dce_loop): Declare it.
2047         * passes.c (init_optimization_passes): Use it.
2049 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
2051         PR middle-end/24263 
2052         * convert.c (convert_to_real): Revert 2005-10-05 patch.
2053         Only apply the optimization for rounding builtins if the inner
2054         cast is also an extension.
2056 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
2058         PR tree-opt/23946
2059         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
2060         mark_new_vars_to_rename instead of update_stmt.
2062 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2064         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
2066 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
2068         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
2069         for setting MMX register to 0 rather than mmx.
2071 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
2073         PR target/12098
2074         * configure.ac: Move gas check from mips specific case to common case.
2075         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
2076         * configure: Regenerate
2077         * doc/install.texi: Update.
2079 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2081         PR target/24284
2082         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
2084 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
2086         * gcc.c (do_spec_1): Accept numeric characters in file name
2087         suffixes.
2089 2005-10-10  Nick Clifton  <nickc@redhat.com>
2091         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
2092         describing the deleted arm_gen_rotated_half_load function.
2094 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
2096         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
2097         __fpscr_values.
2099 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
2101         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
2102         gnu_ld assignments.
2103         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
2104         (EXTRA_MULTILIB_PARTS): Define.
2105         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2106         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2107         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
2108         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2109         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2110         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
2112 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
2114         PR tree-optimization/24226
2115         * tree-cfg.c (remove_bb): Clean up unreachable loops.
2116         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
2117         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
2118         Export.
2120 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
2122         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
2124 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
2126         PR target/24136
2127         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
2128         Rewrite for no need for the early clobber.
2130 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
2132         Merge from csl-arm-branch:
2133         2005-09-07  Paul Brook  <paul@codesourcery.com>
2134         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
2135         space to string.
2137         2005-04-30  Paul Brook  <paul@codesourcery.com>
2138         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
2139         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
2141         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
2142         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
2143         (arm_override_options): Use TARGET_AAPCS_BASED.
2144         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
2145         (PTRDIFF_TYPE): Use int for AAPCS.
2146         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
2147         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
2148         (DEFAULT_SHORT_ENUMS): Delete.
2149         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
2151         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
2152         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
2153         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
2154         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
2156         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
2157         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
2159         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
2160         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
2162         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
2163         * config.gcc (arm*-*-linux-gnueabi): Add it.
2164         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
2165         redefining it.
2166         (TARGET_OS_CPP_BUILTINS): Likeiwse.
2167         * config/arm/linux-eabi.h: New file.
2168         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
2169         (LINUX_TARET_LINK_SPEC): Likewise.
2170         (LINK_SPEC): Use it.
2171         * config/arm/t-linux-eabi: New file.
2173 2005-10-08  Steven Bosscher  <stevenb@suse.de>
2175         PR other/22202
2176         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
2177         spaces.
2178         (PARAM_SMS_DFA_HISTORY): Likewise.
2180 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
2182         PR middle-end/23150
2183         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
2184         (load_register_parameters): Call it.
2185         (check_sibcall_argument_overlap_1): Likewise.
2186         (store_one_arg): Likewise.
2188 2005-10-07  James E. Wilson  <wilson@specifix.com>
2190         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
2191         DImode not VECINT24 for operand 2.
2193         PR target/23644
2194         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
2195         -mtune-arch.
2197         PR target/24193
2198         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
2199         fr_spill): Use destination_operand for operand 0.
2201 2005-10-07  DJ Delorie  <dj@redhat.com>
2203         * varasm.c (output_constant): Limit error to expanding
2204         conversions.
2206 2005-10-07  Richard Guenther  <rguenther@suse.de>
2208         PR middle-end/24227
2209         * fold-const.c (fold_binary): Fix operand types during folding
2210         of X op (A, Y).  Evaluation order of the side-effects of
2211         X and A are frontend-defined, so ensure we honour that even for
2212         tcc_comparison class operands; eased by removing duplicate code.
2214 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
2216         * stor-layout.c (layout_type): Do not allow alignment of array
2217         elements to be greater than their size.
2219 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
2221         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
2222         host_xmake_file.
2223         (hppa*-*-linux*): Ditto.
2224         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
2225         * config/host-hpux.c: New.
2226         * config/x-hpux: New.
2227         * config/pa/x-hpux: Remove.
2228         * config/pa/x-linux: Remove.
2229         * config/pa/pa-host.c: Remove.
2231 2005-10-07  Jeff Law  <law@redhat.com>
2233         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
2234         determine whether or not to try and thread outgoing edges.
2236 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
2238         * config/rs6000/rs6000.md (eqsi_power): New.
2239         (neg_eq0si): Add TARGET_POWER to final condition.
2240         (neg_eqsi): Same.
2242 2005-10-06  Richard Henderson  <rth@redhat.com>
2244         * config/rs6000/rs6000.c: Revert last change.
2246 2005-10-06  Richard Henderson  <rth@redhat.com>
2248         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
2249         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
2251 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
2253         PR middle-end/22216
2254         PR middle-end/23651
2255         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
2256         out return_label and naked_return_label.
2258 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
2259         
2260         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
2261         change.
2263 2005-10-06  Richard Henderson  <rth@redhat.com>
2265         PR tree-opt/22237
2266         * tree-inline.c (declare_return_variable): Handle modify_dest not
2267         being a DECL.
2269 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
2270         
2271         Fix PR tree-optimization/22488
2272         * tree-ssa-structalias.c (check_for_overlaps): New function.
2273         (create_variable_info_for): Use it.
2275 2005-10-06  Richard Henderson  <rth@redhat.com>
2277         PR debug/24070
2278         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
2279         (dwarf2out_start_source_file): Print it.
2281 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
2283         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
2285 2005-10-06  Richard Henderson  <rth@redhat.com>
2287         PR 23706
2288         * mode-switching.c (optimize_mode_switching): Clear transp bit
2289         for block with incomming abnormal edges.
2291         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
2292         (fpscr_set_from_mem): Use them.
2293         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
2294         (fpscr postinc splitters): Rewrite as peephole2+split.
2296 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
2298         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
2299         (eq<mode>_compare): Same.
2301 2005-10-06  Richard Guenther  <rguenther@suse.de>
2303         PR tree-optimization/24238
2304         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
2306 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
2308         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
2309         here.  Use AC_PATH_PROG for environment variables instead of
2310         test -x.
2311         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
2312         objdump also.
2313         * configure: Regenerated.
2315 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
2317         PR target/23783
2318         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
2319         then force it into a register.
2320         (call_value): Likewise.
2322 2005-10-06  Richard Henderson  <rth@redhat.com>
2324         PR 24049
2325         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
2326         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
2327         under pass_vectorize.
2329 2005-10-05  Devang Patel  <dpatel@apple.com>
2331         PR Debug/23205
2332         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
2333         handling constants. Check NAMESPACE_DECL context for constants.
2334         
2335 2005-10-05  Eric Christopher  <echristo@apple.com>
2337         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
2339 2005-10-05  Richard Henderson  <rth@redhat.com>
2341         PR 23714
2342         * tree-cfg.c (mark_array_ref_addressable_1): New.
2343         (mark_array_ref_addressable): New.
2344         * tree-flow.h (mark_array_ref_addressable): Declare.
2345         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
2347 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
2349         PR middle-end/20606
2350         PR middle-end/24069
2351         * reload.c (subst_reloads): When adding a REG_LABEL to a
2352         jump instruction, also update JUMP_LABEL.
2354 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
2356         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
2357         * bb-reorder.c (copy_bb_p): Use it.
2358         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
2360 2005-10-05  Richard Henderson  <rth@redhat.com>
2362         PR target/23602
2363         * toplev.c (process_options): Warn about unsupported combinations
2364         of unwind tables and omit-frame-pointer.
2365         * config/i386/i386.c (override_options): Similarly.  Enable
2366         accumulate-outgoing-args if not explicitly disabled.
2368 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
2370         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
2371         Handle big endian vs. small endian.
2372         (vec_initv2sf): Handle big endian vs. small endian.
2373         (*vec_extractv2sf_1): Ditto.
2375 2005-10-05  Dale Johannesen  <dalej@apple.com>
2377         * convert.c (convert_to_real):  Don't convert
2378         (float)floor(double d) to floorf((float)d).
2380 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
2382         * config/arm/arm.md (insv): Use gen_int_mode in more places.
2384 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
2386         PR tree-optimization/18587
2387         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
2388         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
2389         build_vuses): Change to VEC type.
2390         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
2391         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
2392         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
2393         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
2394         (get_name_decl): New.  Return DECL_UID of base variable.
2395         (operand_build_cmp): New.  qsort comparison routine.
2396         (operand_build_sort_virtual): New.  Sort virtual build vector.
2397         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
2398         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
2399         (FINALIZE_BASE): Use get_name_decl.
2400         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
2401         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
2402         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
2403         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
2404         direct VEC_* manipulations.
2405         (build_ssa_operands): Call operand_build_sort_virtual.
2406         (copy_virtual_operand, create_ssa_artficial_load_stmt,
2407         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
2408         with direct VEC_* manipulations.
2409         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
2410         with direct VEC manipulations.
2412 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
2414         PR tree-optimization/21419
2415         PR tree-optimization/24146
2416         PR tree-optimization/24151
2418         * c-typeck.c (readonly_error): Handle USE being lv_asm.
2419         (build_asm_expr): Call it if outputs are read-only.
2420         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
2422 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
2423             Paolo Bonzini  <bonzini@gnu.org>
2425         PR target/23809
2427         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
2428         enable the instructions and not just the built-ins.
2429         * doc/invoke.texi (x86 Options): Likewise.
2431 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
2433         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
2435         * doc/invoke.texi (Option Summary): Correct spelling
2436         of -mmacosx-version-min.
2438 2005-10-04  Devang Patel  <dpatel@apple.com>
2440         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
2441         real types.
2443 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
2445         * tree-vect-transform.c (vect_create_epilog_for_reduction):
2446         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
2448 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
2450         * config/s390/s390.md ("TDSI","DP"): New mode macros.
2451         ("TE","tg"): New mode attributes.
2452         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
2453         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
2454         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
2455         dword_mode and one for GPRmode.
2457 2005-10-04  Ian Lance Taylor  <ian@airs.com>
2459         PR preprocessor/13726
2460         * c-ppoutput.c (cb_include): Add comments parameter, and print out
2461         any comments passed in.
2463 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
2465         * tree.c (annotate_with_file_line): Fix typo.
2467 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2469         PR ada/19382
2470         * builtins.c (fold_builtin_memcmp): When constructing the pointer
2471         type used to access data in the inlined length == 1 case, use
2472         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
2473         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
2475 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
2477         * config/i386/i386.h (TARGET_FISTTP): Enable also for
2478         TARGET_SSE3 and only for TARGET_80387.
2479         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
2480         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
2481         Do not depend on TARGET_80387.
2483 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
2485         * tree.c (last_annotated_node): Change type to location_t*.
2486         (annotate_with_file_line): Reflect the change of
2487         last_annotated_node type.
2489 2005-10-04  Richard Guenther  <rguenther@suse.de>
2491         PR c/23576
2492         * c-decl.c (grokdeclarator): Don't write to fields
2493         of error_mark_node.
2495 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
2497         PR middle-end/23125
2498         * c-decl.c (finish_decl): Use set_user_assembler_name even for
2499         register variables.
2500         * varasm.c (make_decl_rtl): If a register variable does not
2501         have a set user assmbler name, error out.
2502         Decode the asmspec is now name+1 bypassing '*'.
2504 2005-10-04  Steven Bosscher  <stevenb@suse.de>
2506         PR tree-optimization/23049
2507         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
2508         of a COND_EXPR is folded before calling fold on the whole rhs of a
2509         conditional assignment.
2510         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
2511         document that a COND_EXPR may appear there.
2513 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
2515         PR 23445
2516         * tree-vrp.c (extract_range_from_assert): If the new numeric
2517         range created out of the assertion contradicts the existing
2518         numeric range of the ASSERT_EXPR variable, make the new range
2519         varying.
2521 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
2523         * config/sh/sh.c (sh_register_move_cost): Add case for moving
2524         from T_REGS to FP register class.
2526 2005-10-03  Richard Henderson  <rth@redhat.com>
2528         PR 24135
2529         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
2530         before creating a new one.
2532 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
2534         * config/rs6000/t-aix43 (LDFLAGS): New.
2535         * config/rs6000/t-aix52 (LDFLAGS): New.
2537 2005-10-03  Ian Lance Taylor  <ian@airs.com>
2539         * gimplify.c (find_single_pointer_decl_1): New static function.
2540         (find_single_pointer_decl): New static function.
2541         (internal_get_tmp_var): For a formal variable, set restrict base
2542         information if appropriate.
2543         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
2544         return it.
2545         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
2546         (DECL_GET_RESTRICT_BASE): Define.
2547         (SET_DECL_RESTRICT_BASE): Define.
2548         (decl_restrict_base_lookup): Declare.
2549         (decl_restrict_base_insert): Declare.
2550         (struct tree_decl_with_vis): Add based_on_restrict_p field.
2551         * tree.c (restrict_base_for_decl): New static variable.
2552         (init_ttree): Initialize restrict_base_for_decl.
2553         (copy_node_stat): Copy restrict base information.
2554         (decl_restrict_base_lookup): New function.
2555         (decl_restrict_base_insert): New function.
2556         (print_restrict_base_statistics): New static function.
2557         (dump_tree_statistics): Call print_restrict_base_statistics.
2559 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
2561         PR 24142
2562         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
2563         case of anti-ranges.
2565 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
2567         PR c/18851
2568         * c-typeck.c (tagged_tu_seen): Rename to ...
2569         (tagged_tu_seen_cache): this and add val field.
2570         (comptypes): Move functional to comptypes_internal
2571         and free tagged_tu_seen.
2572         (comptypes_internal): New function and call comptypes_internal
2573         instead of comptypes. Speed up by sibcalling
2574         tagged_types_tu_compatible_p.
2575         (alloc_tagged_tu_seen): New function
2576         (free_all_tagged_tu_seen_up_to): New function.
2577         (tagged_types_tu_compatible_p): Return the val of the seen two
2578         types.
2579         Add that the two types are the same to tagged_tu_seen_base
2580         if they are and call comptypes_internal instead of comptypes.
2581         <case UNION_TYPE>: Speed up common type where the fields are
2582         in the same order.
2583         (function_types_compatible_p): Call comptypes_internal instead of
2584         comptypes.
2585         (type_lists_compatible_p): Likewise.
2586         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
2588 2005-10-02  Matthias Klose  <doko@debian.org>
2590         * doc/invoke.texi: Fix typo and speling error.
2592 2005-10-01  Richard Henderson  <rth@redhat.com>
2594         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
2596 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
2598         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
2599         using --start-group and --end-group.
2601 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
2603         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
2604         FIXME note regarding quirky semantics.
2606 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
2608         PR 24141
2609         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
2610         non-null range as a last resort.
2612 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
2613             Diego Novillo  <dnovillo@redhat.com>
2615         PR 23604
2616         * tree-vrp.c (extract_range_from_assert): For !=
2617         assertions, only build an anti-range if LIMIT is a
2618         single-valued range.
2620 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
2622         * arm.md (movqi): On thumb when optimizing, handle loading from
2623         memory by describing this as taking a subreg of a zero-extended load
2624         into an SImode register.
2625         (movhi): Likewise.
2627 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
2629         * reload1.c (merge_assigned_reloads): Do not change any
2630         RELOAD_FOR_OUTPUT_ADDRESS reloads.
2632 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
2634         * Makefile.in (LIPO_FOR_TARGET): Define.
2635         (STRIP_FOR_TARGET): Define.
2637         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
2638         before creating new ones.  Do symlinks before creating the actual
2639         targets.
2641         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
2642         to work out which multilibs are actually being built.
2644 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
2646         * tree-vect-transform.c, config/ms1/ms1.md,
2647         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
2648         Follow spelling conventions.
2649         * doc/invoke.texi, doc/md.texi: Fix typos.
2651 2005-09-30  Andrew Macleod  <amacleod@redat.com>
2653         PR tree-optimization/21430
2654         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
2655         use operands, and set stmt pointer if need be.
2656         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
2657         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
2658         present.
2660 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2662         PR middle-end/24053
2663         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
2665 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
2667         * optabs.c (expand_binop): Initialize first_pass_p.
2669 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
2671         PR middle-end/24109
2672         * c-decl.c (c_write_global_declarations_1): If any
2673         wrapup_global_declaration_2 call returned true, restart the loop.
2675 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
2677         Fix PR tree-optimization/24117
2678         * tree-ssa-structalias.c (find_func_aliases): Strip nops
2679         before considering whether to use anyoffset.
2681 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
2683         Revert this patch:
2685         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
2687         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2688         to order operands.
2689         (swap_commutative_operands_with_target): New.
2691 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
2693         PR c/21419
2694         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
2695         read-only.
2697 2005-09-29  Steven Bosscher  <stevenb@suse.de>
2699         PR tree-optimization/23911
2700         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
2701         and IMAGPART_EXPR too.
2703 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
2705         PR 17886
2706         * expmed.c (expand_shift): Move logic to reverse rotation
2707         direction when  rotating by constants ...
2708         * optabs.c (expand_binop): ... here.
2709         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
2710         (ix86_rotrdi3): New pattern.
2711         (rotldi3): Handle 32-bit mode.
2712         (ix86_rotldi3): New pattern.
2714 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
2716         PR target/24102
2717         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
2718         check for numbers that need no bit twiddle.
2720 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
2722         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
2723         multilib to be built.
2725         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
2726         (stage1-start): Delete old libgcc and libunwind before moving
2727         anything into the stage directory.
2728         (stage2-start): Likewise.
2729         (stage3-start): Likewise.
2730         (stage4-start): Likewise.
2731         (stageprofile-start): Likewise.
2732         (stagefeedback-start): Likewise.
2733         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
2734         header in tm_file and CPU-specific t-darwin in tmake_file.
2735         (i[34567]86-*-darwin*): Don't change tm_file.
2736         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
2737         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
2738         shared library stub for target OS version.
2739         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
2740         (SHLIB_LINK): Don't make SHLIB_SOLINK.
2741         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
2742         (libgcc_s.%.dylib): New.
2743         (LIBGCC): Define.
2744         (install-darwin-libgcc-stubs): New.
2745         (INSTALL_LIBGCC): New append.
2746         * config/i386/darwin-libgcc.10.4.ver: New.
2747         * config/i386/darwin-libgcc.10.5.ver: New.
2748         * config/i386/t-darwin: New.
2749         * config/rs6000/darwin-libgcc.10.4.ver: New.
2750         * config/rs6000/darwin-libgcc.10.5.ver: New.
2751         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
2752         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
2754 2005-09-28  Paul Brook  <paul@codesourcery.com>
2756         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
2757         denormals.
2759 2005-09-28  Richard Guenther  <rguenther@suse.de>
2761         PR tree-optimization/23853
2762         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
2763         host_integerp to verify misalignment value.
2765 2005-09-28  Richard Henderson  <rth@redhat.com>
2767         * builtins.c (get_builtin_sync_mode): New.
2768         (expand_builtin_sync_operation): Pass in mode argument.
2769         (expand_builtin_compare_and_swap): Likewise.
2770         (expand_builtin_lock_test_and_set): Likewise.
2771         (expand_builtin_lock_release): Likewise.
2772         (expand_builtin): Update to match.
2774 2005-09-28  Nick Clifton  <nickc@redhat.com>
2776         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
2777         formatting.  Add check to PLUS case to ensure that the offset is
2778         within an acceptable range.
2780         * config/v850/v850.md (casesi): Disable the generation of the
2781         switch pattern as it is not being handled properly at the moment.
2783         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
2784         for when the high words are identical.
2786 2005-09-27  Richard Henderson  <rth@redhat.com>
2788         * pretty-print.c (pp_base_format): Fix typo for %>.
2790 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
2791             Devang Patel  <dpatel@apple.com>
2793         PR tree-optimization/23625
2794         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
2795         LABEL_EXPR, assertion check.
2797 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
2799         * optabs.c (no_conflict_move_test): Check if a result of a
2800         to-be-moved insn would be clobbered by an originally
2801         preceding insn.
2803 2005-09-27  Jeff Law  <law@redhat.com>
2805         * passes.c (init_optimization_passes): Replace copy propagation
2806         passes immediately after DOM with phi-only copy propagation
2807         pases.  Add phi-only copy propagation pass after first DOM pass.
2808         * tree-pass.h (pass_phi_only_copy_prop): Declare.
2809         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
2810         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
2811         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
2812         to init_copy_prop.  Callers updated.
2813         (do_phi_only_copy_prop): New function.
2814         (pass_phi_only_copy_prop): New pass descriptor.
2816 2005-09-27  Nick Clifton  <nickc@redhat.com>
2818         * libgcc2.c (__popcount_tab): Remove redundant prototype.
2820 2005-09-26  Jason Merrill  <jason@redhat.com>
2822         PR c++/13764
2823         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
2825         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
2827 2005-09-26  James E Wilson  <wilson@specifix.com>
2829         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
2830         copyright.  Add gcc copyright plus libgcc exception.
2831         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
2832         copyright.
2833         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
2835 2005-09-26  Jeff Law  <law@redhat.com>
2837         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
2838         about when to iterate.
2840 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
2842         PR target/23847
2843         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
2844         for __complex__ double in -mcpu=G5 mode.
2846 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
2848         PR tree-optimization/23942
2849         * Makefile.in (SCEV_H): Depends on PARAMS_H.
2850         * tree-scalar-evolution.c: Include params.h.
2851         (t_bool): New enum.
2852         (follow_ssa_edge, follow_ssa_edge_in_rhs,
2853         follow_ssa_edge_in_condition_phi_branch,
2854         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
2855         Change return type to t_bool.  Use a parameter to limit the size of
2856         trees that are walked before stopping
2857         (analyze_evolution_in_loop): Initialize the limit to 0.
2858         (follow_ssa_edge): Give up by returning t_dont_know if the limit
2859         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2861 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
2863         PR middle-end/23831
2864         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
2865         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2867 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
2869         * combine.c (make_extraction): Check for valid use of subreg.
2871 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
2873         PR target/24055
2874         * config/i386/i386.md ("*fistdi2_1"): New pattern.
2875         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
2876         ("fist<mode>2_with_temp"): Use only register operands.
2878 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
2880         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
2881         CALL_INSN_FUNCTION_USAGE.
2883 2005-09-26  Richard Guenther  <rguenther@suse.de>
2885         PR middle-end/15855
2886         * gcse.c: Include hashtab.h, define ldst entry hashtable.
2887         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
2888         (ldst_entry): Use the hashtable instead of list-walking.
2889         (find_rtx_in_ldst): Likewise.
2890         (free_ldst_entry): Free the hashtable.
2891         (compute_ld_motion_mems): Create the hashtable.
2892         (trim_ld_motion_mems): Remove entry from hashtable if
2893         removing it from list.
2894         (compute_store_table): Likewise^2.
2895         (store_motion): Free hashtable in case we did not see
2896         any stores.
2898 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
2900         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2901         and arg1 if we are passing them to fold_build2.
2903 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
2905         PR 23828
2906         * config/i386/i386.c (ix86_function_regparm): Fix the test for
2907         a nested function.
2909 2005-09-25  Richard Henderson  <rth@redhat.com>
2911         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
2912         SYMBOL_REF_TLS_MODEL to be correct.
2914 2005-09-24  Richard Henderson  <rth@redhat.com>
2916         * ipa-type-escape.c (discover_unique_type): Remove dead code at
2917         end of function.  Reindent.
2919 2005-09-24  Ian Lance Taylor  <ian@airs.com>
2921         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
2922         NEGATE_EXPR/BIT_NOT_EXPR case.
2924 2005-09-24  Richard Henderson  <rth@redhat.com>
2926         * c-common.c (handle_mode_attribute): When not modifying in place,
2927         create subtypes for enumerations.
2928         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
2929         * gimplify.c (create_tmp_from_val): Likewise.
2931 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
2933         * config/i386/i386.md (*tls_global_dynamic_64,
2934         *tls_local_dynamic_base_64): Add missing mode to call.
2935         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
2937 2005-09-24  Jan Hubicka  <jh@suse.cz>
2939         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
2940         (cgraph_clone_node): Likewise.
2941         * cgraph.h (cgraph_clone_edge): Update prototype.
2942         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
2943         duplicated prototypes; add updating argument.
2944         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
2945         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
2946         updating profile.
2947         (cgraph_mark_inline_edge): Likewise.
2948         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
2949         (cgraph_flatten_node): Likewise.
2950         (cgraph_decide_recursive_inlining): Likewise.
2951         (cgraph_decide_inlining_of_small_function): Likewise.
2952         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2954 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
2955             Pete Steinmetz <steinmtz@us.ibm.com>
2957         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
2958         (rldic.): Set type to "compare".
2959         (rldicr.): Same.
2960         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
2961         mfjmpr for MFCTR/MFLR.
2962         (movdf_hardfloat64): Same.
2963         (movdf_softfloat64): Same.  Correct order of store and move types.
2964         (movti_string): Set type to store_ux/load_ux.
2965         (load_multiple): Set type to load_ux.
2966         (store_multiple): Set type to store_ux.
2967         (movmemsi): Set type to store_ux.
2968         (output_cbranch direct_return): Set type to jmpreg.
2969         (stmw): Set type to store_ux.
2970         (lmw): Set type to load_ux.
2971         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
2972         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
2973         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
2974         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
2975         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
2976         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
2977         (rios1-fpstore): Increase latency to 3.
2978         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
2979         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
2981 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
2982             Andrew Pinski  <pinskia@physics.uc.edu>
2984         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
2985         operand2 constraint to "b".
2986         (sync_<fetchop_name>di_internal): Same.
2987         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
2988         to "b".
2989         (sync_old_<fetchop_name>di_internal): Same.
2990         (sync_new_<fetchop_name>si_internal): Same.
2991         (sync_new_<fetchop_name>di_internal): Same.
2993 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
2995         PR middle-end/23991
2996         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
2997         case, define as macros.
2999         PR rtl-optimization/23837
3000         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
3001         clobber / clobber match between dest and p->first.
3003         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3004         (no_conflict_move_test): Update comments.
3006 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
3008         * doc/install.texi: Update URL for Jacks.
3009         * doc/sourcebuild.texi: Likewise.
3011 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
3013         PR target/24007
3014         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
3015         registers when choosing register preferences.
3016         (movdf_hardfloat64): Same.
3018 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
3020         * expmed.c (expand_shift): Don't use the target of the rotate as
3021         target for the first expanded shift insn.
3022         * testsuite/gcc.dg/20050922-1.c: Testcase added.
3024 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
3026         PR tree-optimization/22438
3027         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
3028         preserved iv rhs rewriting specially.
3030 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
3032         * tree-data-ref.c (analyze_array_indexes): Only estimate when
3033         estimate_only  is true.
3034         * tree-flow.h (ref_contains_indirect_ref): New prototype.
3035         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
3036         tree-ssa-structalias.c
3037         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
3038         ref_contains_indirect_ref.
3039         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
3041 2005-09-21  DJ Delorie  <dj@redhat.com>
3043         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
3044         MASK_PTR_A0D0.
3045         (mn10300_return_in_memory): Support variable size types also.
3046         (mn10300_pass_by_reference): Likewise.
3047         (mn10300_function_value): New.
3048         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
3049         (FUNCTION_OUTGOING_VALUE): Likewise.
3050         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
3051         * doc/invoke.texi: Document it.
3053 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
3055         PR target/22585
3056         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
3057         force integer op1 into register for XFmode compares.
3059 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
3061         PR middle-end/23971
3062         * expmed.c (alg_code): Add alg_impossible.
3063         (alg_hash_entry): Add cost.
3064         (synth_mult): Record alg_impossible in the hash table if
3065         multiplication by a given integer is impossble within the
3066         limit.  Speed up using alg_impossible.
3068 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
3070         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
3071         argument.  Allow and set any offset if needs_anyoffset is passed
3072         in.
3073         (get_constraint_for): Add argument here too.
3074         Pass it down.
3075         (do_structure_copy): Pass NULL to get_constraint_for.
3076         (handle_ptr_arith): Ditto.
3077         (find_func_aliases): Ditto.
3079 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
3081         PR rtl-optimization/23898
3082         * output.h (get_attr_min_length): Declare.
3083         * final.c (get_attr_length_1): New function, broken out of:
3084         (get_attr_length).
3085         (get_attr_min_length): New function.
3086         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
3087         (duplicate_computed_gotos): Likewise.
3088         * genattr.c (insn_min_length): Generate declaration.
3089         * genattrtab.c (min_fn, min_attr_value): New functions.
3090         (make_length_attrs): Generate insn_min_length.
3092 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
3094         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
3096 2005-09-20  Richard Henderson  <rth@redhat.com>
3098         PR tree-optimization/24059
3099         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
3100         EXPAND_STACK_PARM.
3102 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
3104         * c.opt (fextended-identifiers): New.
3105         * c-opts.c (c_common_handle_option): Handle
3106         -fextended-identifiers.
3107         * doc/cpp.texi: Update documentation of extended identifiers.
3108         * doc/cppopts.texi (-fextended-identifiers): Document.
3110 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
3112         PR tree-optimization/23929
3113         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
3114         if expr is NULL.
3116         PR tree-optimization/23818
3117         * tree-stdarg.c (execute_optimize_stdarg): Call
3118         calculate_dominance_info.
3120 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
3122         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
3123         (analyze_siv_subscript_cst_affine): Add weak SIV test.
3124         (compute_overlap_steps_for_affine_1_2): Use
3125         get_number_of_iters_for_loop.
3126         (analyze_subscript_affine_affine): Check whether difference is
3127         zero first.
3128         Use get_number_of_iters_for_loop.
3129         Check whether overlap occurs outside of bounds.
3130         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
3132 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
3134         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
3135         base register if possible.
3137 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
3139         PR tree-optimization/18463
3140         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
3141         converting it directly is not possible.
3142         (chrec_convert_aggressive): New function.
3143         * tree-chrec.h (chrec_convert_aggressive): Declare.
3144         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
3145         Fold chrec conversions aggressively if asked to.
3146         (instantiate_parameters): Modified because of changes in
3147         instantiate_parameters_1.
3149 2005-09-19  Richard Henderson  <rth@redhat.com>
3151         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
3152         (reduc_splus_v2df): New.
3154 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
3156         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
3157         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
3159 2005-09-19  Richard Henderson  <rth@redhat.com>
3161         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
3162         vcondu<SSEMODE12>.
3164 2005-09-19  Richard Henderson  <rth@redhat.com>
3166         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
3167         (ia64_expand_dot_prod_v8qi): New.
3168         * config/ia64/ia64-protos.h: Update.
3169         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
3170         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
3171         sdot_prodv8qi, sdot_prodv4hi): New.
3172         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
3174 2005-09-19  Richard Henderson  <rth@redhat.com>
3176         PR 23941
3177         * real.c (exact_real_truncate): Return false if the format cannot
3178         represent the number as a normal.
3180         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
3181         for a memory source.
3183 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
3185         * tree-ssa-operands.c (swap_tree_operands): Export.
3186         * tree.h (swap_tree_operands): Declare.
3187         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
3188         Call swap_tree_operands.
3190 2005-09-19  Richard Henderson  <rth@redhat.com>
3192         * tree-flow.h (merge_alias_info): Declare.
3193         * tree-ssa-copy.c (merge_alias_info): Export.
3194         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
3195         (vect_create_data_ref_ptr): Use create_iv directly.
3196         (vectorizable_load): Use correct types for integer constants.
3197         (vect_generate_tmps_on_preheader): Likewise.
3198         (vect_gen_niters_for_prolog_loop): Likewise.
3200 2005-09-19  Steven Bosscher  <stevenb@suse.de>
3202         PR rtl-optimization/23943
3203         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
3205 2005-09-18  Jan Hubicka  <jh@suse.cz>
3207         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
3209 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
3211         * varasm.c (output_constant): Do not abort on conversions to union
3212         types between different sizes.
3214 2005-09-18  Richard Guenther  <rguenther@suse.de>
3216         PR middle-end/23944
3217         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
3218         fallback.
3220 2005-09-18  Paul Brook  <paul@codesourcery.com>
3222         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
3224 2005-09-17  Richard Henderson  <rth@redhat.com>
3226         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
3227         * tree-ssa-loop.c (pass_vect_dce): Remove.
3228         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
3229         of pass_vectorize.
3231 2005-09-17  Richard Henderson  <rth@redhat.com>
3233         * tree-pass.h (pass_vect_dce): Declare.
3234         * passes.c (init_optimization_passes): Add it.
3235         * tree-flow.h (tree_ssa_dce): Declare.
3236         * tree-ssa-dce.c (tree_ssa_dce): Export.
3237         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
3238         (gate_tree_vectorize): ... here.
3239         (pass_vect_dce): New.
3241 2005-09-17  Jan Hubicka  <jh@suse.cz>
3243         * except.c (struct eh_status): Turn region_array into vec.
3244         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
3245         convert_from_eh_region_ranges, find_exception_handler_labels,
3246         current_function_has_exception_handlers, assign_filter_values,
3247         build_post_landing_pads, dw2_build_landing_pads,
3248         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
3249         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
3250         foreach_reachable_handler, can_throw_internal_1,
3251         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
3252         region_array.
3253         (duplicate_eh_region_1): Update region_array.
3254         (duplicate_eh_regions): Resize region_array and avoid recomputing.
3256 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
3258         PR middle-end/22067
3259         * expmed.c (expand_mult): Substitute simple register for op0 when
3260         computing max_cost.
3262 2005-09-17  Richard Henderson  <rth@redhat.com>
3264         * expr.c (emit_move_via_integer): Add force argument, pass it on
3265         to emit_move_change_mode.  Update callers.
3266         (emit_move_complex): Pass true to new force argument.
3267         * function.c (expand_function_end): Move expand_eh_return call
3268         earlier.  Merge sub-word complex values into a pseudo before
3269         copying to the return hard register.
3271 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
3273         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
3274         between different sizes.
3276 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
3278         PR 23903
3280         * passes.c (init_optimization_passes): Register dump files for
3281         IPA passes first.
3283 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
3285         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
3286         * config/s390/s390.c (s390_overlap_p): New function.
3287         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
3288         peephole2, "*xc" peephole2): Added overlap check to the peephole2
3289         condition.
3291 2005-09-16  Richard Guenther  <rguenther@suse.de>
3293         * ipa-pure-const.c (static_execute): Free auxiliar information.
3294         * ipa-type-escape.c (discover_unique_type): Free temporary key.
3295         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
3297 2005-09-15  DJ Delorie  <dj@redhat.com>
3299         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
3301 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
3303         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3304         to order operands.
3305         (swap_commutative_operands_with_target): New.
3307 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
3309         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
3310         parameter.
3311         Update callers.
3312         (estimate_iters_using_array): New function.
3313         * tree-data-ref.h (estimate_iters_using_array): Prototype
3314         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3315         Use estimate_iters_using_array instead of analyze_array.
3317 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
3319         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
3320         as addressable.
3322 2005-09-15  Michael Matz  <matz@suse.de>
3324         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
3326 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
3328         PR tree-optimization/23835
3329         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
3330         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
3332 2005-09-14  Richard Henderson  <rth@redhat.com>
3334         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
3335         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
3337 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
3339         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
3340         in the ARRAY_TYPE case.
3342 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
3344         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
3346 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
3348         PR middle-end/22480
3349         * tree-vect-transform.c (vectorizable_operation): Return false for
3350         scalar shift operations and for vector shift operations with
3351         non-invariant shift arguments.  Use scalar tree operand op1 as
3352         a shift operand when vector shift insn pattern uses scalar shift
3353         operand.
3354         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
3356 2005-09-14  Olivier Hainque  <hainque@adacore.com>
3358         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
3359         value if it has side-effects.
3361 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
3363         PR target/22068
3364         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
3366 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
3368         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
3369         passed as NAME as if it were label at start of function code.
3371 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
3373         * config/sh/sh.md (*movv4sf_i): Add general register cases to
3374         the constraints.
3376 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
3378         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
3379         as early clobber.  Rewrite so the PIC register is not implicitly used.
3381 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3383         * tree.c (annotate_with_file_line): Compare line numbers before
3384         file names.
3386 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
3388         PR target/23816
3389         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
3390         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
3392 2005-09-13  Ian Lance Taylor  <ian@airs.com>
3394         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
3395         than a HOST_WIDEST_INT to gen_doloop_begin.
3397 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
3399         * tree-dfa.c (dump_variable): Guard against NULL annotations.
3401 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
3403         PR tree-optimize/23817
3404         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
3406 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
3408         PR target/23774
3409         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
3410         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
3411         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
3412         (restore_stack_nonlocal): Likewise.
3413         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
3415 2005-09-12  Ian Lance Taylor  <ian@airs.com>
3417         PR g++/7874
3418         * c.opt (ffriend-injection): New C++ option.
3419         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
3420         (C++ Dialect Options): Document -ffriend-injection.
3422 2005-09-12  Josh Conner  <jconner@apple.com>
3424         PR middle-end/23237
3425         * ipa-reference.c (static_execute): Don't mark variables in
3426         named sections TREE_READONLY.
3428 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
3430         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
3431         stack_tie.
3433 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
3435         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
3436         V_MUST_DEF instead of just the first_use_p.
3437         Don't mark the virtual variables for renaming on the statement which
3438         is being removed.
3439         (pass_dse): Remove TODO_update_ssa.
3441 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
3443         PR middle-end/23290
3444         * stor-layout.c (compute_record_mode): For records with a single
3445         field, actually check the field's mode size against the type size.
3447         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
3448         registers for TARGET_SHMEDIA.
3449         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
3450         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
3451         of GENERAL_REGS and FP_REGS.
3453 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
3455         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
3457 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
3459         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
3460         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
3461         are omitted.  Exclude stack_tie insn too.
3463 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
3465         PR rtl-optimization/23098
3466         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
3467         0.0f is easy.
3468         * config/rs6000/rs6000.md (movdf splitter): Use
3469         const_double_operand predicate for TARGET_POWERPC64.
3470         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
3471         SYMBOL_REF method to ABI_V4.
3473         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
3474         replace_equiv_address.
3475         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
3476         rs6000_sr_alias_set and MEM_NOTRAP.
3477         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
3479 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
3481         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
3482         handle CALL_EXPR again.
3484 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
3486         * arm/predicates.md (alignable_memory_operand): Delete.
3488 2005-09-10  Richard Henderson  <rth@redhat.com>
3490         PR debug/23806
3491         * dbxout.c (dbxout_expand_expr): New.
3492         (dbxout_symbol): Use it.
3494 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
3496         * arm.c (arm_gen_rotated_half_load): Delete.
3497         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
3498         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
3499         (thumb_set_return_address): Likewise.
3500         (thumb_load_double_from_address): Use adjust_address.
3501         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
3502         (extendhsisi2_mem, movhi_bytes): Use change_address.
3503         (movhi): Use widen_memory_access.
3504         (reload_out_df): Use replace_equiv_address.
3505         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
3507 2005-09-09  Richard Henderson  <rth@redhat.com>
3509         PR debug/20998
3510         * dbxout.c: Include expr.h.
3511         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
3512         (dbxout_symbol): Handle DECL_VALUE_EXPR.
3513         * Makefile.in (dbxout.o): Add EXPR_H.
3515 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
3517         PR tree-optimization/23509
3518         * tree-cfg.c (replace_uses_by): Use replace_exp.
3519         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
3520         pointers have name_mem_tag or type_mem_tag set.
3522 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
3524         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
3525         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
3526         of wrongly accessing operands.
3528 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
3530         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
3531         * tree-chrec.c: Include tree-scalar-evolution.h.
3532         (chrec_convert): Instantiate the base and step before calling
3533         scev_probably_wraps_p that would fail on parametric evolutions.
3534         Collect all the fails into a single section failed_to_convert,
3535         print a diagnostic, and return chrec_dont_know instead of calling
3536         fold_convert.
3537         * tree-scalar-evolution.c (loop_closed_phi_def): New.
3538         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
3539         phi nodes.
3540         (scev_const_prop): Don't replace the definition of a loop closed ssa
3541         phi node by itself, or by another loop closed ssa phi node.
3542         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
3543         that base and step are defined.
3545 2005-09-09  Richard Guenther  <rguenther@suse.de>
3547         PR c++/23624
3548         * fold-const.c (fold_ternary): Check truth_value_p before
3549         calling invert_truthvalue.
3551 2005-09-09  Nick Clifton  <nickc@redhat.com>
3553         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
3554         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
3555         dimension of these arrays.
3556         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
3557         these arrays.
3558         * longlong.h: Only provide a prototype for the __clz_tab[] array
3559         if this header has not been included from libgcc2.h.
3560         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
3561         defining own types.
3562         Provide prototypes for exported functions.
3563         Use the __clz_tab[] and __popcount_tab[] arrays provided by
3564         libgcc2.c.
3566 2005-09-08  Josh Conner  <jconner@apple.com>
3568         PR c++/21135
3569         PR c++/23180
3570         * expr.c (expand_expr_addr_expr_1): Don't invoke
3571         expand_simple_binop for EXPAND_INITIALIZER.
3573 2005-09-08  Richard Henderson  <rth@redhat.com>
3575         PR debug/23190
3576         * toplev.c (wrapup_global_declaration_1): Split out ...
3577         (wrapup_global_declaration_2): ... from ...
3578         (wrapup_global_declarations): ... here.  Return bool.
3579         (check_global_declaration_1): Split out ...
3580         (check_global_declarations): from here.
3581         (emit_debug_global_declarations): New.
3582         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
3583         check_global_declaration_1, emit_debug_global_declarations): Declare.
3584         * c-decl.c (c_write_global_declarations_1): Don't create a vector
3585         of decls.  Call wrapup_global_declaration_1,
3586         wrapup_global_declaration_2, check_global_declaration_1 directly.
3587         (c_write_global_declarations_2): New.
3588         (ext_block): New.
3589         (c_write_global_declarations): Call c_write_global_declarations_2.
3590         * langhooks.c (write_global_declarations): Call
3591         emit_debug_global_declarations.
3593         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
3594         remove decls that have DECL_RTL_SET_P.
3595         * passes.c (rest_of_decl_compilation): Invoke
3596         cgraph_varpool_finalize_decl for all but functions.
3598 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3600         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
3601         the result of a conversion if the new min and max cannot be compared.
3603 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
3605         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
3606         (override_options): Setting s390_sr_alias_set removed.
3607         (save_fpr, save_gprs): Set alias set to vararg or frame.
3608         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
3609         s390_sr_alias_set with get_frame_alias_set ().
3610         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
3611         get_varargs_alias_set ().
3613 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
3615         PR objc/20574
3616         PR objc/19324
3617         * c-parser.c (c_parser_objc_method_definition): If the next
3618         token is not "{", error out and don't start the function.
3620 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
3622         * tree-vrp.c (extract_range_from_expr): Move the check for non
3623         nullness after the check for gimple invariant.
3625 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3627         * tree.c (host_integerp, tree_low_cst): Correct function comment.
3629 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3631         PR target/23747
3632         * config/m32r.md (movmemsi_internal): Canonicalize order of
3633         operands in PLUS component of template.
3635 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3637         * reload1.c (fixup_eh_region_note): Remove assertion.
3638         (fixup_abnormal_edges): Reverted removal of call to
3639         find_many_sub_basic_blocks made on 2005-08-31.
3641 2005-09-07  Richard Henderson  <rth@redhat.com>
3643         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
3644         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
3645         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
3646         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
3647         rearrange for better packing.
3648         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
3649         (lookup_cfa_1): Remove inline marker.
3650         (cfa_equal_p): Split out of ...
3651         (def_cfa_1): ... here.  Use INVALID_REGNUM.
3652         (build_cfa_loc): Handle !cfa->indirect.
3653         (frame_pointer_cfa_offset): New.
3654         (dbx_reg_number): Assert register elimination performed; do
3655         leaf register remapping.
3656         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
3657         (eliminate_reg_to_offset): New.
3658         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
3659         for verifiably local stack frame addresses; re-base to CFA.
3660         (mem_loc_descriptor): Remove can_use_fbreg argument.
3661         (concat_loc_descriptor, loc_descriptor): Likewise.
3662         (containing_function_has_frame_base): Remove.
3663         (rtl_for_decl_location): Don't do register elimination or
3664         leaf register remapping here.
3665         (secname_for_decl): Split out from ..
3666         (add_location_or_const_value_attribute): ... here.
3667         (convert_cfa_to_loc_list): New.
3668         (compute_frame_pointer_to_cfa_displacement): New.
3669         (gen_subprogram_die): Use them.
3670         * tree.h (frame_base_decl): Remove.
3671         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
3672         (prologue_stack_adjust): Remove.
3673         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
3674         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
3675         (set_frame_base_location): Remove.
3676         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
3677         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
3678         (vt_add_function_parameters): Don't eliminate_regs.
3679         (vt_initialize): Don't create frame_base_decl.
3681 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3683         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
3684         version of GNU binutils for 4.x and later.
3686 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
3688         * ggc-page.c (ggc_push_context): Remove.
3689         (ggc_pop_context): Likewise.
3690         * ggc.h (ggc_push_context): Remove.
3691         (ggc_pop_context): Likewise.
3693 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
3695         PR target/8973
3696         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
3697         returning from an interrupt handler.
3699 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
3701         PR target/8972
3702         * config/arc/arc.c (output_shift): Add check for loop count when
3703         optimizing.
3705 2005-09-06  Steven Bosscher  <stevenb@suse.de>
3707         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
3708         form manually.
3709         (abs_replacement): Likewise.
3710         (pass_phiopt): Remove TODO_update_ssa.
3712 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
3714         PR c/23075
3715         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
3716         if "return with no value, in function returning non-void" warning
3717         has been issued.
3718         * tree-cfg.c (execute_warn_function_return): Don't look at
3719         RETURN_EXPRs with TREE_NO_WARNING set.
3721         PR target/22362
3722         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
3723         for internal functions doesn't use registers used by global registers
3724         variables.  Use fewer register parameters if there are global register
3725         variables.
3727 2005-09-06  Olivier Hainque  <hainque@adacore.com>
3728             Eric Botcazou  <ebotcazou@adacore.com>
3730         PR middle-end/14997
3731         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
3732         when we would be extracting outside its bit span (bitpos+bitsize
3733         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
3734         Ada unchecked conversions.
3736 2005-09-06  Steven Bosscher  <stevenb@suse.de>
3738         * tree-ssa-pre.c (try_look_through_load): New function.
3739         (compute_avail): Use it to try to look through loads for some
3740         more useful expressions.
3742 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
3744         * simplify-rtx.c (simplify_binary_operation_1): Correct the
3745         condition for detecting cases like (a&a) and (a^a).
3747 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
3749         * common.opt: Add option ftree-vect-loop-version.
3750         * params.def: Add --param vect-max-version-checks.
3751         * doc/invoke.texi: Document ftree-vect-loop-version and
3752         --param vect-max-version-checks.
3753         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
3754         may_misalign_stmts and defines for accessors.
3755         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
3756         LOOP_VINFO_MAY_MISALIGN_STMTS.
3757         (destroy_loop_vec_info): VEC_free for
3758         LOOP_VINFO_MAY_MISALIGN_STMTS.
3759         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3760         Update documentation.
3761         (vect_update_misalignment_for_peel): New.
3762         (vect_enhance_data_refs_alignment): Update to choose loop
3763         peeling or loop versioning if appropriate for the (potentially)
3764         unaligned data references in the loop.
3765         (vect_analyze_data_refs_alignment): Remove call to
3766         vect_enhance_data_refs_alignment so the checks can be done
3767         earlier.
3768         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
3769         and move up call to vect_analyze_data_refs_alignment.
3770         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
3771         (vect_transform_loop): Add call to loop_version.
3773 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
3775         PR rtl-optimization/23098
3776         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
3777         * simplify-rtx.c (constant_pool_reference_p): New function.
3778         * rtl.h (constant_pool_reference_p): New prototype.
3779         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
3780         constant_pool_reference_p in condition and
3781         avoid_constant_pool_reference in preparation statements.
3783 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
3785         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
3786         STRICT_LOW_PART SETs.
3788 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
3790         PR middle-end/21460
3791         * except.c (sjlj_emit_function_enter): Find the function begin
3792         note even when it's not in first basic block.
3794 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
3796         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
3797         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
3798         * aclocal.m4: Regenerate.
3800 2005-09-05  DJ Delorie  <dj@redhat.com>
3802         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
3803         of macro.
3805 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
3807         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
3808         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
3809         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
3810         Follow spelling conventions.
3811         * doc/invoke.texi: Follow spelling conventions.
3813 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
3815         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
3816         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
3817         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
3819 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
3821         PR target/23683
3822         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
3823         (output_stack_adjust): Use gen_tmp_stack_mem.
3824         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
3825         (sh_set_return_address, sh_allocate_initial_value): Likewise.
3826         (sh_get_pr_initial_val): Likewise.
3827         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
3828         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
3829         * sh.md (divsi_inv_m0): Use gen_const_mem.
3830         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
3831         (movdf_i4+1): Use gen_tmp_stack_mem.
3832         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
3833         (fpu_switch+2): Likewise.
3834         (movv4sf_i, movv16sf_i): Use adjust_address.
3835         (symGOT_load): Set MEM_NOTRAP_P bit.
3837 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3839         PR target/23721
3840         * pa.c (emit_move_sequence): Fix typo in last change.
3842 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
3844         PR rtl-optimization/23454
3845         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
3846         is true.
3848 2005-09-03  Richard Henderson  <rth@redhat.com>
3849             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3851         PR middle-end/23671
3852         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
3853         gen_rtx_MEM.
3855 2005-09-02  Nicolas Pitre <nico@cam.org>
3857         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
3858         to bit_count to 32 bits.
3860 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
3862         PR c++/23167
3863         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
3864         generating synthetic loads from volatile lvalues.
3866 005-09-02  Nick Clifton  <nickc@redhat.com>
3868         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
3869         __ctzhi2, __clzhi2): New functions.
3871 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
3873         PR middle-end/23547
3874         * tree-nested.c (struct var_map_elt): Mark with GTY.
3875         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
3876         var_map_elt.
3877         (lookup_field_for_decl): Allocate new element in GC memory.
3878         (lookup_tramp_for_decl): Likewise.
3879         (convert_nl_goto_reference): Likewise
3880         (create_nesting_tree): Allocate info in GC memory. Likewise for
3881         info->var_map.
3882         (free_nesting_tree): Free with ggc_free instead of free.
3883         (root): New static variable.
3884         (lower_nested_functions): Remove root as local variable.  And zero out
3885         root at the end of the function.
3887 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
3889         PR rtl-optimization/20365
3890         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
3891         to short.  New member ix.
3892         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
3893         (simplify_plus_minus): Initialize ix members before calling qsort.
3895 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
3897         PR tree-optimization/23626
3898         * tree-cfg.c (replace_uses_by): Clean up eh info.
3900 2005-09-01  DJ Delorie  <dj@redhat.com>
3902         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
3903         fprintf.
3905 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
3907         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
3908         (rs6000_split_multireg_move): Use replace_equiv_address instead of
3909         gen_rtx_MEM.
3911 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
3913         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
3914         do not issue warning for a variable definition following
3915         a declaration.
3917 2005-09-01  Richard Henderson  <rth@redhat.com>
3919         PR 23668
3920         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
3921         conversion to CONST_VECTOR.
3923 2005-09-01  Richard Henderson  <rth@redhat.com>
3925         PR 23676
3926         * reload1.c (reload_as_needed): Check !CALL_P before calling
3927         fixup_eh_region_note.
3928         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
3930 2005-09-01  DJ Delorie  <dj@redhat.com>
3932         * varasm.c (output_constant): Let the target resolve
3933         conversions of addresses to non-default pointer sizes.
3935 2005-09-01  Nicolas Pitre <nico@cam.org>
3937         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
3938         to alow matching ARM pre-indexed addressing mode.
3939         (arm_override_options): Remove now irrelevant comment.
3941 2005-09-01  Phil Edwards  <phil@codesourcery.com>
3943         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
3944         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
3945         * config/i386/vxworks.h:  Likewise.
3946         * config/i386/t-vxworksae:  New file, for VxWorks AE.
3947         * config/i386/vxworksae.h:  Likewise.
3949 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
3951         PR tree-optimization/23410
3952         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
3953         sequence is not wrapping during the first step.
3955 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
3957         PR debug/7241
3958         * dwarf2out.c (base_type_die): Compare char_type_node with
3959         TYPE_MAIN_VARIANT (type), not type.
3961 2005-09-01  Richard Guenther  <rguenther@suse.de>
3963         PR tree-optimization/15366
3964         * common.opt: Add -finline-functions-called-once.
3965         Put -fearly-inlining in alphabetically ordered place.
3966         * doc/invoke.texi: Document new option.
3967         * ipa-inline.c (cgraph_decide_inlining): Honour
3968         flag_inline_functions_called_once.
3970 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
3972         PR rtl-optimization/23478
3973         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
3974         (alloc_qty): Initialize it.
3975         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
3976         (combine_regs): Combine also n_throwing_calls_crossed fields.
3977         (find_free_reg): Don't attempt to caller-save pseudos crossing
3978         calls that might throw.
3979         * global.c (struct allocno): Add throwing_calls_crossed field.
3980         (global_alloc): Revert 2005-08-22 change.  Initialize
3981         throwing_calls_crossed.
3982         (find_reg): Don't attempt to caller-save pseudos crossing calls that
3983         might throw.
3985 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
3987         PR target/23649
3988         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
3989         (mask64_operand): Reinstate code prior to 2005-06-11 change.
3990         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
3991         (and64_2_operand): Tweak to use predicate.
3992         (and_operand): Adjust for mask_operand changes.
3993         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
3994         (print_operand): Likewise.
3995         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
3996         (mask64_1or2_operand): Delete.
3997         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
3998         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
3999         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4000         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4001         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4002         (rotldi3_internal4): Likewise.
4003         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4004         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4005         (ashldi3_internal7): Likewise.
4006         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4007         (ashldi3_internal, ashldi3_internal9 split): Likewise.
4008         (anddi3 split): Don't match mask64_operand.
4009         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
4010         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
4011         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
4012         't' splitter predicate.
4013         (movdi_internal64 + 2): Revert 2005-06-11 change.
4015 2005-08-31  DJ Delorie  <dj@redhat.com>
4017         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
4018         (m32c_asm_integer): Add support for 32 bit pointers.
4020 2005-08-31  Richard Henderson  <rth@redhat.com>
4022         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
4023         component-like references for setting MEM_NOTRAP_P.
4025         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
4026         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
4028 2005-08-31  Richard Henderson  <rth@redhat.com>
4030         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
4031         into a pseudo before applying gen_lowpart.
4033 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
4035         * doc/install.texi (Specific): Update cctools version required
4036         for full functionality.
4037         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
4038         linkers as -macosx_version_min.
4040 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
4042         PR target/21255
4043         * sh.c (print_operand, %R and %S): Add handling of floating point
4044         registers, memory, constants and invalid operands.
4046 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
4048         * ipa-pure-const.c: Change dump name.
4050 2005-08-31 Uros Bizjak <uros@kss-loka.si>
4052         PR target/23570
4053         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
4054         to "reg_or_0_operand".
4055         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
4057 2005-08-31  Dale Johannesen  <dalej@apple.com>
4059         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
4060         loops that count down.
4062 2005-08-31  Richard Henderson  <rth@redhat.com>
4064         PR rtl-opt/23601
4065         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
4066         (fixup_eh_region_note): New.
4067         (reload_as_needed): Call it.
4068         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
4069         don't call find_many_sub_basic_blocks; call verify_flow_info.
4070         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
4071         (keep_stack_depressed): Likewise.
4072         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
4074 2005-08-31  Richard Henderson  <rth@redhat.com>
4076         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
4077         fp return matching.
4079 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
4081         * expr.c (expand_expr_real_1): Compare size of address
4082         mode to target's address mode size in deciding expansion of
4083         the constant address.
4085 2005-08-31  Richard Guenther  <rguenther@suse.de>
4087         PR middle-end/23477
4088         * expr.c (all_zeros_p): New function.
4089         (expand_expr_real_1): Handle the case of an all-zero
4090         non-addressable constructor separately.
4092 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
4094         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
4095         arguments, adjust all callers.
4096         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
4098 2005-08-30  Richard Henderson  <rth@redhat.com>
4100         PR target/23630
4101         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
4102         whenever the mode sizes match.
4104 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
4106         * calls.c (load_register_parameters): Fix comment typo.
4107         * expr.c (emit_push_insn): Comment formatting.
4109 2005-08-30  Ian Lance Taylor  <ian@airs.com>
4111         * config/i386/x-cygwin (host-cygwin): Change dependency from
4112         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
4114 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
4116         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
4117         parts of 'vals'.
4119 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
4121         PR middle-end/23408
4122         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
4123         call to ggc_collect.
4125 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
4127         PR bootstrap/21268
4128         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
4129         beginning.  Remove $(INCLUDES) from all the rules, if following
4130         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
4132 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
4134         PR middle-end/23484
4135         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
4136         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
4137         not constant, but maxlen is, don't set len to maxlen, rather
4138         set maxlen to len if len is a constant.
4140 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
4142         PR tree-optimization/23475
4143         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
4144         and counts.
4146 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
4148         Fix PR middle-end/22455
4150         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
4151         Checksum only the parts of the tree that exist for the tree code.
4153 2005-08-28  Dale Johannesen  <dalej@apple.com>
4155         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
4157 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
4159         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
4161 2005-08-28  Richard Henderson  <rth@redhat.com>
4163         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
4164         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
4165         of char_type_node.
4167 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
4169         PR ada/23593
4170         * builtins.c (get_memory_rtx): Don't strip nops
4171         in between COMPONENT_REFs.
4173 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
4175         PR middle-end/23463
4176         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
4177         types.
4178         (gimplify_modify_expr): Check for zero sized types and gimplify the
4179         rhs and lhs as statements.
4181 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
4183         PR libgcj/23508
4184         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
4185         state for return address column of signal frames.
4187 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
4189         PR target/23539
4190         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
4191         bytes >= 2 not bytes == 2.
4192         (expand_block_move): Same.
4194 2005-08-27  Richard Guenther  <rguenther@suse.de>
4196         PR target/23575
4197         * config/i386/sse.md (sse2_movsd): Add missing closing
4198         braces.
4200 2005-08-27  Paul Brook  <paul@codesourcery.com>
4202         * genrecog.c (enum decision_type): Add DT_num_insns.
4203         (struct decision_test): Add u.num_insns.
4204         (add_to_sequence): Add DT_num_insns test.
4205         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
4206         (write_cond, debug_decision_2): Ditto.
4207         (change_state): Assume peep2_next_insn never fails.
4208         Remove "afterward" argument.
4209         (write afterward, write_tree): Update to match.
4210         * recog.c (peep2_current_count): New variable.
4211         (peep2_next_insn): Check it.
4212         (peephole2_optimize): Set peep2_current_count.
4213         * recog.h (peep2_current_count): Declare.
4215 2005-08-26  Josh Conner  <jconner@apple.com>
4217         PR middle-end/23584
4218         * ipa-pure-const.c (check_tree): Check for volatile-ness
4219         when considering a dereference.
4221 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
4223         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
4225 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
4227         PR rtl-optimization/23561
4228         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
4229         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
4230         at most LEN bytes long memory fits into the field.
4231         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
4232         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
4233         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
4235 2005-08-26  Richard Henderson  <rth@redhat.com>
4237         PR rtl-opt/23560
4238         * loop.c (biased_biv_may_wrap_p): New.
4239         (maybe_eliminate_biv_1): Use it to suppress non-equality
4240         comparison transformations.  Delete disabled code.
4242 2005-08-26  Ian Lance Taylor  <ian@airs.com>
4244         * combine.c (make_extraction): Avoid reference outside object.
4246 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
4248         * stor-layout.c (finalize_type_size): Restore behaviour for
4249         non-aggregate types to the status quo ante of the patch for
4250         pr 23467.  Document why it matters.
4252 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
4254         PR c/23506
4255         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
4256         array by one element, initialize the BT_LAST element with NULL.
4258 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
4260         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
4261         optimizing for size.
4262         (plus_eqsi): Same.
4263         (compare_plus_eqsi): Same.
4264         (plus_eqsi_compare): Same.
4265         (neg_eq0<mode>): Same.
4266         (neg_eq<mode>): Same.
4268         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
4269         PROCESSOR_POWER4.
4271 2005-08-26  Nick Clifton  <nickc@redhat.com>
4273         * config/v850/v850.c (ep_memory_operand): Return FALSE if
4274         TARGET_EP is not defined.
4275         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
4276         TARGET_EP is enabled.
4277         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
4278         * config/v850/v850.md (save_all_interrupt): Only use the EP
4279         register if TARGET_EP is defined.
4280         (restore_all_interrupt): Likewise.
4281         * config/v850/lib1funcs.asm: Update functions so that the EP
4282         register is only used if __EP__ is defined.
4284 2005-08-26  David Ung  <davidu@mips.com>
4286         * config/mips/mips.c (mips_expand_prologue): Handle case when
4287         generating for MIPS16 and the outgoing argument area is more than
4288         SMALL_OPERAND. Use the frame pointer as temporary to generate the
4289         add instruction.
4291 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
4293         * config/crx/crx.md: Make doloop_end pattern usage controllable
4294         via mloop-nesting=<max-nesting> command line switch. Make sure
4295         the combiner cannot use doloop_end_<mode> in an illegal way.
4296         * config/crx/crx.c: Use regs up to r6 for argument passing.
4297         Refine crx_address_cost (non cst4 displacements are expensive).
4298         * config/crx/crx.opt: Add switch for mloop-nesting=.
4300 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
4302         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
4303         (UNSPEC_MVST): New constant.
4305 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
4307         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
4308         Reject operands containing eliminable registers.
4309         * testsuite/gcc.dg/20050825-1.c: New testcase.
4311 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4312             Jan Hubicka  <jh@suse.cz>
4314         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
4316 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4318         PR tree-optimization/23546
4319         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
4320         and REAL_CST nodes.
4322 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
4324         * params.def (PARAM_MIN_SPEC_PROB): New.
4325         * sched-rgn.c (MIN_PROBABILITY): Delete.
4326         (compute_trg_info): Convert to PARAM_VALUE.
4327         * doc/invoke.texi (param): Document min-spec-prob.
4329 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
4331         * config/darwin.h: define __PIC__
4332         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
4333         TARGET_OS_CPP_BUILTINS macro.
4335 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4337         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
4338         yesterday.
4340 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
4342         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
4343         to duplicate_block.
4344         * cfghooks.c (duplicate_block): Added position where to place
4345         new block as argument.
4346         * cfghooks.h (duplicate_block): Declaration changed.
4347         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
4348         duplicate_block.
4349         * cfglayout.h (copy_bbs): Declaration changed.
4350         * cfgloop.h (loop_version): Declaration changed.
4351         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
4352         position to copy_bbs.
4353         (loop_version): Pass position to duplicate_loop_to_header_edge.
4354         Add place_after argument and position new blocks according to
4355         it.
4356         * modulo-sched.c (sms_schedule): Pass place_after argument
4357         to loop_version.
4358         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
4359         * tree-cfg.c (split_edge_bb_loc): New function.
4360         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
4361         to determine position of new blocks.
4362         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
4363         to loop_version.
4364         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
4365         argument to duplicate_block.
4366         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
4367         Pass position to copy_bbs.
4369 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
4371         * fold-const.c (ptr_difference_const): Use
4372         cst_and_fits_in_hwi instead of host_integerp.
4374 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
4376         * config/darwin.c (gen_pic_offset): New.
4377         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
4378         Use it.
4380 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
4382         PR tree-optimization/23486
4383         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
4385 2005-08-23  Phil Edwards  <phil@codesourcery.com>
4387         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
4388         remove use_collect2.
4389         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
4391         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
4392         configuration files to override the default value.
4394         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
4395         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
4396         * config/vx-common.h:  New file, split out from...
4397         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
4398         * config/vxworksae.h:  New file, for VxWorks AE.
4399         * config/vxworks.opt:  New file.
4400         * config/vxlib.c:  Update for VxWorks 6.
4402         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
4403         other MULTILIB_* variables appropriately.
4404         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
4405         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
4406         * config/rs6000/vxworks.h:  Update for VxWorks 6.
4407         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
4409 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
4411         PR target/20799
4412         * config/darwin.c (machopic_select_section): Remove the hack to
4413         mark "::operator new" and "::operator delete" for coalescing
4414         even though they are not weak.
4416 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
4418         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
4419         * configure: Regenerate.
4421 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
4423         PR middle-end/23517
4424         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
4425         between vectors.
4426         * convert.c (convert_to_integer, convert_to_vector): Likewise.
4427         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
4428         Likewise.
4430 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
4432         * config/rs6000/predicates.md (equality_operator): New.
4433         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
4434         comparison with a large constant.
4436 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
4438         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
4440 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
4442         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
4443         registers is even, and we have a hardware double precision fp,
4444         align the buffer.
4445         (sh_gimplify_va_arg_expr): For floating point arguments, consider
4446         size of current argument when checking if argument was passed in
4447         registers.
4449         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
4451         PR middle-end/23467
4452         * stor-layout.c (finalize_type_size): Dont override
4453         existing alignment with a smaller alignment from the mode.
4455 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
4457         * lambda-code.c (lambda_vector_lexico_pos): Moved...
4458         * lambda.h (lambda_vector_lexico_pos): ... here.
4459         * tree-data-ref.c (build_classic_dist_vector): Return false when
4460         the distance vector is lexicographically negative.
4462 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
4464         PR tree-optimization/23511
4465         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
4466         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
4468 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
4470         PR tree-optimization/22043
4471         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
4472         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
4473         If ALLOW_FLEXARR, handle types ending with flexible array member.
4474         Pass false as second argument to recursive count_type_elements calls.
4475         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
4476         argument to count_type_elements call.
4477         * tree-sra.c (decide_block_copy): Likewise.
4478         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
4479         for a constant-sized object, set cleared as well.  Pass true as
4480         second argument to count_type_elements call.
4482 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
4484         PR target/21571
4485         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
4486         from legitimate_small_data_p, and make global.  Update use.
4487         Remove forward declaration.
4488         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
4489         Declare.
4490         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
4492 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
4494         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
4495         of scratch intermediates.
4496         (eq<mode>_compare): Same.
4497         (neg_eq0<mode>): New.
4498         (neg_eq<mode>): Convert to define_insn_and_split.
4500 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
4502         PR target/23070
4503         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
4504         stdarg functions, set/clear the fp marker even when no variable
4505         args are passed.
4506         * config/rs6000/sysv4.opt (mprototype): Describe.
4508 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
4510         PR rtl-optimization/23478
4511         * regs.h (reg_info): Add throw_calls_crossed.
4512         (REG_N_THROWING_CALLS_CROSSED): Define.
4513         * flow.c (allocate_reg_life_data): Initialize
4514         REG_N_THROWING_CALLS_CROSSED.
4515         (propagate_one_insn, attempt_auto_inc): Update
4516         REG_N_THROWING_CALLS_CROSSED.
4517         * global.c (global_alloc): Don't allocate pseudos across
4518         calls that may throw.
4520 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
4522         PR c/18715
4523         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
4524         value is inbetween the range if we did not find an exact match.
4526 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
4528         * doc/invoke.texi (Option Summary): Add ms1 options.
4529         * doc/extend.texi: Document interrupt handler attribute for ms1.
4530         * doc/md.texi: Document ms1 constraints.
4531         * config.gcc: Add ms1-*-elf.
4532         * config/ms1/ms1.h: New.
4533         * config/ms1/ms1.c: New.
4534         * config/ms1/ms1.md: New.
4535         * config/ms1/ms1-protos.h: New.
4536         * config/ms1/ABI.txt: New.
4537         * config/ms1/crti.asm: New.
4538         * config/ms1/crtn.asm: New.
4539         * config/ms1/lib2extra-funcs.c: New.
4540         * config/ms1/t-ms1: New.
4541         * config/ms1/ms1.opt: New.
4543 2005-08-22 Ira Rosen <irar@il.ibm.com>
4545         * config/rs6000/altivec.md (xorv4sf3): New.
4546         (negv4sf2, neg<mode>2): Likewise.
4548 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
4550         PR target/23485
4551         * config/ia64/ia64.md (divsi3): Check divide by zero.
4552         (udivsi3): Likewise.
4553         (divdi3): Likewise.
4554         (udivdi3): Likewise.
4556 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
4558         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
4559         up to elem_bitsize bits, not max_bitsize.
4561 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
4563         PR tree-optimization/23433
4564         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
4565         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
4567 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
4569         PR tree-optimization/23434
4570         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
4571         the iteration bound is not an INTEGER_CST.
4573 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
4575         * tree-vect-transform.c (get_initial_def_for_reduction): Set
4576         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
4577         NULL if need_epilog_adjust is false.
4578         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
4579         Case 3 always peels first itration, not just for PLUS case, and no need
4580         to use scalar_initial_def here. Create an epilog adjustment only if
4581         scalar_initial_def is not NULL.
4583         (vectorizable_reduction): Remove assert.
4585 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
4587         PR target/23485
4588         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
4589         (__moddi3): Likewise.
4590         (__udivdi3): Likewise.
4591         (__umoddi3): Likewise.
4592         (__divsi3): Likewise.
4593         (__modsi3): Likewise.
4594         (__udivsi3): Likewise.
4595         (__umodsi3): Likewise.
4597 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
4599         * tree-pass.h (TDF_GRAPH): Define.
4600         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
4601         * passes.c (finish_optimization_passes): Only call
4602         finish_graph_dump_file if TDF_GRAPH is set.
4603         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
4604         NULL.  Set TDF_GRAPH bit.
4605         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
4607 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
4609         * arm.h (arm_stack_offsets): Add locals_base field.
4610         * arm.c (arm_get_frame_offsets): Compute it.
4611         (thumb_compute_initial_elimination offset): Make the Thumb frame
4612         pointer point to the base of the local variables.
4613         (thumb_expand_prologue): Update accordingly.
4614         (thumb_expand_epilogue): Likewise.
4616         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
4617         mode of clobbered scratch to DImode.  Handle a case that's known to
4618         need this.
4620 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
4622         * config/rs6000/rs6000.md (gt0<mode>): Delete.
4623         (gt0<mode>_compare): Delete.
4624         (neg_gt0<mode>): Delete.
4626 2005-08-19  Eric Christopher  <echristo@apple.com>
4628         * optabs.h: Change CTI_ to COI_.
4629         * optabs.c: Ditto.
4631 2005-08-19  James E Wilson  <wilson@specifix.com>
4633         * builtins.c (expand_builtin_return_addr): Set
4634         current_function_accesses_prior_frames when count != 0.  Use
4635         frame_pointer_rtx when count == 0.
4636         * function.h (struct function): Add accesses_prior_frames field.
4637         (current_function_accesses_prior_frames): Define.
4638         * reload1.c (init_elim_table): Check
4639         current_function_accesses_prior_frames.
4640         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
4642 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
4644         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
4645         indicator.  Return true if the flowgraph changed during
4646         cleanup.
4648 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
4650         PR 23476
4651         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
4652         conditional expression before testing its value.
4654 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
4656         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
4658 2005-08-19  Devang Patel  <dpatel@apple.com>
4660         PR tree-optimization/23048
4661         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
4662         third parameter. Check whether latch is dominated by exit
4663         block or not.
4664         (if_convertible_loop_p): Supply exit block itself to
4665         if_convertible_bb_p.
4667 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
4669         PR target/23473
4670         * arm.md (arm_load_pic_register): Change argument to the mask of
4671         saved registers.  Call thumb_find_work_register if we need a
4672         scratch register on Thumb.
4673         (arm_expand_prologue): Pass empty register set to
4674         arm_load_pic_register.
4675         (thumb_expand_prologue): Pass live_regs_mask directly to
4676         arm_load_pic_register.
4677         * arm-protos.h (arm_load_pic_register): Update prototype.
4679 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
4681         * sh.c (find_sole_member): New function.
4682         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
4683         if the record's alignment is larger than the size of its only member.
4685 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
4687         PR target/23436
4688         * arm.c (thumb_legitimize_reload_address): New function.
4689         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
4690         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
4692 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
4694         * config/crx/crx.c: Implement crx_decompose_address. Reject
4695         symbolic displacements since CRX register relative adressing
4696         mode can't handle unsigned 32-bit values as displacements.
4697         * config/crx/crx.h: Simplify definitions, remove redundant
4698         parenthesis and obsolete macros.
4699         * config/crx/crx.opt: Add new switch for debugging addresses.
4700         * config/crx/crx-protos.h: Add new declarations for above.
4702 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
4704         PR middle-end/20624
4705         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
4706         looking past it.
4708 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4710         * collect2.c (dup2): Delete.
4711         * configure.ac: Don't check for dup2.
4713         * config.in, configure: Regenerate.
4715 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
4717         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
4718         record with the type of its only member.
4720 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
4722         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
4723         define_insn_and_split.
4724         (plus_ltu<mode>_compare): Same.
4725         (gtu<mode>_compare): Same.
4726         (plus_gtu<mode>_compare): Same.
4728 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
4730         PR tree-optimization/22228
4731         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
4732         todo_flags_start.
4733         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
4734         are recorded in vect_vnames_to_rename for renaming.
4735         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
4736         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
4737         in vect_vnames_to_rename.
4738         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
4739         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
4741 2005-08-18  Jan Hubicka  <jh@suse.cz>
4743         PR c++/22034
4744         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
4745         info only for local statics, not for member variables.
4747 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4749         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
4751 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4753         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
4755 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
4757         PR middle-end/16045
4758         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
4760 2005-08-17  James E Wilson  <wilson@specifix.com>
4762         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4763         array size check.
4765 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
4767         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
4768         (leu<mode>_compare): Same.
4769         (plus_leu<mode>): Same.
4770         (neg_leu<mode>): Same.
4771         (and_neg_leu<mode): Same.
4772         (ltu<mode>_compare): Same.
4773         (plus_ltu<mode>): Same.
4774         (geu<mode>): Same.
4775         (geu<mode>_compare): Same.
4776         (plus_geu<mode>): Same.
4777         (neg_geu<mode>): Same.
4778         (and_neg_geu<mode>): Same.
4779         (plus_gt<mode>): Same.
4780         (gtu<mode>_compare): Same.
4781         (plus_gtu<mode>): Same.
4783 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
4785         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
4786         Move call_table_data to end.  Delete spurious .text.
4787         (callt_save_all_interrupt): Fix comment typo.
4789 2005-08-17  James E Wilson  <wilson@specifix.com>
4790             Kevin Winchester  <winchester@amirix.com>
4792         PR target/21684
4793         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
4795 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
4797         PR target/23268
4798         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
4799         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
4801 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
4803         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
4804         record with the type of its only member if the modes don't match.
4806         * varasm.c (decode_reg_name): Skip empty additional register names.
4808 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
4810         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
4811         lsm_tmp_name_length): New.
4812         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
4813         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
4815 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4816             Andreas Krebbel  <krebbel1@de.ibm.com>
4818         * config.gcc: Added z9-109 switch.
4819         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
4820         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
4821         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
4822         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4823         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
4824         for "z9_109" cpu attribute.
4825         * config/s390/s390.c (z9_109_cost): New processor cost structure.
4826         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
4827         (s390_handle_arch_option): Added z9-109 switch.
4828         (override_options): Set respective cost function for z9-109.
4829         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
4830         (legitimate_reload_constant_p): Accept extended immediates.
4831         (print_operand): Three new output modifiers added: k, m and o.
4832         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
4833         (s390_output_mi_thunk): Use extended immediate when possible.
4834         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
4835         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
4836         (CONSTRAINT_LEN): Added length of O constraint.
4837         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
4838         * config/s390/s390.md ("cpu"): New value z9_109 added.
4839         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
4840         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
4841         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
4842         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
4843         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
4844         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
4845         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
4846         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
4847         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
4848         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4849         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
4850         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
4851         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
4852         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
4853         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
4854         immediates.
4855         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
4856         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
4857         insns for TARGET_EXTIMM.
4859 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4861         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
4863 2005-08-17  Nick Clifton  <nickc@redhat.com>
4865         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
4866         Call default_encode_section_info.
4868 2005-08-17  Steven Bosscher  <stevenb@suse.de>
4870         PR tree-optimization/21574
4871         * tree-ssa-ccp.c (likely_value): If the right hand side is a
4872         constant, return CONSTANT.
4873         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
4874         (ccp_fold, visit_assignment): Likewise.
4875         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
4877 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
4879         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
4880         fold_buildN instead of buildN then fold_initializer or fold.
4881         (build_unary_op): Likewise.
4882         (build_binary_op): Likewise.
4883         * fold-const.c (fold_initializer): Remove.
4884         (fold_build1_initializer): New function.
4885         (fold_build2_initializer): New function.
4886         (fold_build3_initializer): New function.
4887         * tree.h (fold_initializer): Remove.
4888         (fold_build1_initializer): New function.
4889         (fold_build2_initializer): New function.
4890         (fold_build3_initializer): New function.
4892 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
4894         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
4895         (try_move_mult_to_index): Call fold_build2 instead of build2.
4896         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
4897         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
4898         fold_binary_to_constant.
4899         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
4900         fold (build.
4901         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
4902         check if A == gcd (A, B).  Remove TYPE argument.
4903         (analyze_offset) Use fold_build2 instead of fold (build.
4904         (create_data_ref): Likewise.
4905         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
4906         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
4907         then fold.
4909 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
4911         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
4912         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
4914 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
4916         PR tree-opt/23402
4917         * gimplify.c (zero_sized_type): New function.
4918         (gimplify_modify_expr_rhs): If we have a zero sized type,
4919         replace the statement with an empty statement.
4921 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
4923         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
4924         fxsave.
4926 2005-08-16  Ian Lance Taylor  <ian@airs.com>
4928         * doc/tm.texi (Label Output): Correct typo.
4930 2005-08-16  Steven Bosscher  <stevenb@suse.de>
4932         PR target/23376
4933         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
4934         force_operand will work later on using have_insn_for.
4936 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4938         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
4940 2005-08-16  Ian Lance Taylor  <ian@airs.com>
4942         PR c++/23337
4943         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
4944         vector type, don't try to construct it element by element.  Add an
4945         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
4947 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4949         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
4951 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
4953         * doc/invoke.texi (Precompiled Headers): Document some more options
4954         which are known to be safe.
4956 2005-08-16  James E Wilson  <wilson@specifix.com>
4958         PR tree-optimization/21105
4959         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4960         TREE_OVERFLOW check.
4962 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
4964         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
4965         (neg_ltu<mode>): Same.
4966         (gtu<mode>): Same.
4967         (neg_gtu<mode>): Same.
4969 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4971         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
4972         (fold_builtin_isdigit): Use fold_buildN.
4973         (build_function_call_expr): Likewise.
4974         * c-typeck.c (c_finish_loop): Likewise.
4976 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
4977             Richard Shann <rshann@superh.com>
4979         PR middle-end/20396:
4980         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
4982 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
4984         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
4986 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
4988         PR target/23355
4989         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
4990         arm_compure_save_reg0_reg12_mask to determine when the PIC register
4991         must be saved.
4993 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4995         PR middle-end/23369
4996         * fold-const.c (build_range_check): Disable optimization for function
4997         pointer expressions on targets that require function pointer
4998         canonicalization.
5000 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
5002         * simplify-rtx.c (simplify_const_relational_operation): When
5003         extracting arguments of a COMPARE, recompute the mode as well.
5005 2005-08-15  Ian Lance Taylor  <ian@airs.com>
5007         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5009 2005-08-15  DJ Delorie  <dj@redhat.com>
5011         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
5012         the stack.
5013         (movsi_splittable): Allow, but split, moves to the stack.
5014         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
5015         stack.
5017 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5019         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
5020         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
5021         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
5023         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
5024         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
5025         Delete HOST_PTR_PRINTF.
5027         * configure, config.in: Regenerate.
5029 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
5031         * config/rs6000/rs6000.md (QHSI): New mode macro.
5032         (wd): Extend mode attr for QImode and HImode
5033         (dbits): New mode attr.
5034         (zero_extend<mode>di2): Convert to mode macro.
5036 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
5038         PR target/21841
5039         * doc/invoke.texi (-mgnu-ld): Update description.
5040         (-mhp-ld): Ditto.
5042 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
5044         PR 23391
5045         * Makefile.in (tree-chrec.o): Depends on real.h.
5046         * tree-chrec.c: Include real.h.
5047         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
5048         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
5049         * tree-scalar-evolution.c (add_to_evolution_1,
5050         interpret_rhs_modify_expr): Ditto.
5052 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
5054         PR 23386
5055         * tree-data-ref.c (estimate_niter_from_size_of_data): When
5056         step is negative compute the estimation from init downwards to zero.
5058 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
5060         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
5062 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
5064         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
5065         constraint.
5066         (legitimate_reload_constant_p): Fix handling of lliXX operands.
5067         Accept double-word constants that can be split.
5068         * config/s390/s390.md ("movti"): Use 'P' constraint.
5069         ("*movdi_31", "*movdf_31"): Likewise.
5071 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
5073         Fix PR tree-optimization/22615
5075         * tree-ssa-structalias.c (solution_set_add): Handle
5076         first_vi_for_offset returning NULL.
5077         (do_da_constraint): Ditto.
5078         (do_sd_constraint): Ditto.
5079         (do_ds_constraint): Ditto
5080         (find_func_aliases): Ditto.
5081         (build_constraint_graph): RHS is allowed be ANYTHING.
5082         (first_vi_for_offset): Return NULL if we couldn't find anything at
5083         the offset.
5085 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
5087         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
5088         over memory as first operand.
5090 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
5092         PR target/23360
5093         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
5094         available for setting it.
5096 2005-08-14  Ira Rosen  <irar@il.ibm.com>
5098         PR tree-optimization/23320
5099         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
5100         data-refs' types instead of base object nullness. Add check for
5101         pointer type data-refs before first location comparison. Remove
5102         assert.
5104 2005-08-14  Andreas Schwab  <schwab@suse.de>
5106         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
5108 2005-08-13  James E Wilson  <wilson@specifix.com>
5110         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
5111         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
5112         -fstack-protector-all, --param ssp-buffer-size): Document.
5113         (-Wvariadic-macros): Alphabetize.
5114         (-fsched-stalled-insns-dep): Add missing 'f'.
5116         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
5117         macros.
5119 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
5121         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
5122         or indirect address operand.
5123         (EXTRA_ADDRESS_CONSTRAINT): New.
5124         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
5126 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
5128         PR tree-optimization/22236
5129         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
5130         successors and predecessors.
5131         * tree-chrec.c (chrec_convert): Before converting, check that
5132         sequences don't wrap.
5133         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
5134         (analyze_array): Extern.
5135         (find_data_references_in_loop): Remove call to
5136         compute_estimated_nb_iterations.
5137         * tree-data-ref.h (analyze_array): Declared.
5138         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
5139         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
5140         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
5141         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
5142         condition.
5143         * tree-ssa-loop-ivcanon.c: Fix documentation.
5144         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
5145         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
5146         (infer_loop_bounds_from_undefined): New.
5147         (estimate_numbers_of_iterations_loop): Use
5148         infer_loop_bounds_from_undefined.
5149         (used_in_pointer_arithmetic_p): New.
5150         (scev_probably_wraps_p): Pass an extra parameter.  Call
5151         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
5152         (convert_step): Fix documentation.
5153         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
5154         Use initial_condition_in_loop_num and evolution_part_in_loop_num
5155         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
5156         scev_probably_wraps_p.
5158 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
5160         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
5161         (s390_register_info): Ignore clobbered_regs information for fixed
5162         registers, and only fixed registers.
5163         (s390_init_frame_layout): Remove redundant call.
5165 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
5167         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
5168         description of -Wold-style-casts.
5170 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5171             Jakub Jelinek  <jakub@redhat.com>
5173         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5174         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
5175         * config/s390/s390.c (print_operand): New output modifier 'G' added.
5176         (get_thread_pointer): Renamed to s390_get_thread_pointer.
5177         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
5178         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
5179         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
5180         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5181         ("stack_protect_set", "stack_protect_test"): New expanders.
5182         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
5183         "stack_protect_testdi"): New insn definitions.
5185 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5187         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
5189 2005-08-12  Paul Brook  <paul@codesourcery.com>
5191         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
5193 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5195         * config/s390/predicates.md (setmem_operand): New predicate.
5196         (shift_count_operand): Accept ANDs with special constants as
5197         operand.
5198         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
5199         with special constants.
5200         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
5201         shift_count_operand with setmem_operand.
5203 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5205         * config/s390/s390.c (s390_extract_part, s390_single_part):
5206         Type cast added.
5207         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
5208         (s390_output_mi_thunk): Don't use lg on 31 bit.
5209         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
5210         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
5212 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5214         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
5215         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
5216         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
5217         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
5218         with one of the new macros.
5220 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5222         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
5223         Don't set save_return_addr_p.
5224         (s390_register_info): Make clobbered_regs not depending on
5225         save_return_addr_p.
5227 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
5229         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
5230         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
5232 2005-08-11  James E. Wilson  <wilson@specifix.com>
5234         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
5236 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
5238         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
5239         locations gathered by var-tracking in single entry loc_list
5240         over loc_descriptor_from_tree.
5242         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
5243         pass it down to loc_descriptor.
5244         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
5245         (containing_function_has_frame_base): Move earlier in the file.
5246         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
5247         instead of always assuming fbreg can't be used.
5249 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
5251         * config/rs6000/altivec.md: Change constraint "m" to "Z".
5252         * config/rs6000/predicates.md (indexed_or_indirect_operand):
5253         Accept address wrapped in AND for Altivec.
5254         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5255         Strip AND wrapping offset address for Altivec.
5257 2005-08-11  Richard Henderson  <rth@redhat.com>
5259         PR middle-end/23312
5260         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
5261         before using TYPE_IS_SIZETYPE.
5263 2005-08-11  Richard Henderson  <rth@redhat.com>
5265         PR target/22225
5266         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
5267         insn types not present on ev4.
5268         (alphaev5_insn_pipe): Similarly.
5270 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5272         PR target/23250
5273         * arm.c (arm_override_options): If the user has selected callee-super-
5274         interworking, then enable normal interworking.
5276 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5278         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
5279         redefinition.
5281 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
5283         * doc/rtl.texi: Fix two typos.
5285 2005-08-11  Richard Guenther  <rguenther@suse.de>
5287         PR target/23289
5288         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
5289         cases where we call to/from functions returning void.
5291 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
5293         PR c++/23225
5294         * tree.c (build_pointer_type_for_mode): Robustify.
5296 2005-08-10  James E Wilson  <wilson@specifix.com>
5298         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
5299         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
5301         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
5302         "cum->".
5304 2005-08-10  Eric Christopher  <echristo@apple.com>
5306         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
5307         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
5308         V2DFmode.
5310 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
5312         PR target/21887
5313         * config/darwin.c (machopic_indirect_data_reference): Use a new register
5314         for the high part when generating dynamic-no-pic code.
5316 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
5318         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
5319         (x86_64-*-linux*): Likewise.
5321         * config/i386/crtfastmath.c: New file.
5322         * config/i386/t-crtfm: Likewise.
5324         * config/i386/linux.h (ENDFILE_SPEC): New.
5325         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
5327         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
5328         crtfastmath.o.
5330 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
5332         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
5333         (vec_shl, vec_shr): Document new operations.
5334         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
5336 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
5338         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
5339         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
5340         change predicate to indexed_or_indirect_address.
5342 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
5344         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
5345         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
5346         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
5347         and __aeabi_uwrite8.
5348         * config/arm/unaligned-funcs.c: New file.
5349         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
5351 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
5353         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
5354         Add dump.
5355         * cfglayout.c (pass_insn_locators_initialize): Add dump.
5356         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
5357         Add dump.
5358         * except.c (pass_convert_to_eh_region_ranges): Add dump.
5359         * final.c (pass_shorten_branches): Add dump.
5360         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
5361         (pass_life): Rename dump.
5362         (rest_of_handle_flow2): Remove initial verify_flow_info.
5363         * function.c (pass_instantiate_virtual_regs): Add dump.
5364         * integrate.c (pass_initial_value_sets): Add dump.
5365         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
5366         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
5367         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
5368         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
5369         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
5370         gate_rtl_unrool_and_peel_loops): New.
5371         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
5372         rtl_doloop): Do not look at flags.
5373         * mode-switching.c (pass_mode_switching): Add dump.
5374         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
5375         pass_split_before_regstack): Add dump.
5376         * regmove.c (pass_stack_adjustments): Add dump.
5377         * tree-optimize.c (pass_fixup_cfg): Add dump.
5379 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5381         PR 23309
5382         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
5383         deciding which instruction sequence to use.
5385 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
5387         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
5388         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
5390 2005-08-09  Richard Guenther  <rguenther@suse.de>
5392         * c-common.c (builtin_function_2): Remove.
5393         (def_builtin_1): New function.
5394         (c_common_nodes_and_builtins): Use def_builtin_1 to
5395         build builtin functions.
5397 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
5399         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
5400         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5401         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
5402         Visual DSP.
5404 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
5406         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
5407         fold_binary instead of fold_build2 since we don't care about the
5408         resulting tree.
5409         (loop_niter_by_eval): Likewise.
5410         (compare_trees): Likewise.
5411         (proved_non_wrapping_p): Likewise.
5413 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
5415         PR c/23161
5416         PR c/23165
5417         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
5418         if the if is really empty.
5420 2005-08-09  Steven Bosscher  <stevenb@suse.de>
5422         PR tree-optimization/23234
5423         * tree-ssa-math-opts.c (place_reciprocal): New enum.
5424         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
5425         argument of the new enum.
5426         (execute_cse_reciprocals): Add reciprocals for function arguments
5427         on the unique successor edge of the entry block.  Update other calls
5428         to execute_cse_reciprocals_1.
5430 2005-08-08  Richard Henderson  <rth@redhat.com>
5432         PR 22439
5433         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
5435 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
5437         * expr.c (write_complex_part): Return after handling MEM.
5439 2005-08-08  Josh Conner  <jconner@apple.com>
5441         PR rtl-optimization/23241
5442         * combine.c (simplify_comparison): Fix error in determining
5443         whether to lift a subreg from comparison.
5445 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
5447         PR target/18506
5448         * config/rs6000/altivec.md (vec_init<mode>): New.
5449         (vec_set<mode>): New.
5450         (vec_extract<mode>): New.
5451         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
5452         (rs6000_expand_vector_set): New.
5453         (rs6000_expand_vector_extract): New.
5454         (rs6000_legitimate_offset_address_p): Offset addresses are valid
5455         for Altivec modes before reload.
5456         (altivec_expand_vec_init_builtin): New.
5457         (get_element_number): New.
5458         (altivec_expand_vec_set_builtin): New.
5459         (altivec_expand_vec_ext_builtin): New.
5460         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
5461         builtins.
5462         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
5463         builtins.
5464         * config/rs6000/rs6000.h (rs6000_builtins): Add
5465         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
5466         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
5467         * config/rs6000/rs6000-protos.h: Declare new functions.
5469 2005-08-08  Jan Hubicka  <jh@suse.cz>
5471         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
5472         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
5473         * i386.md (movdi*): Use pic_32bit_operand.
5474         * predicates.md (pic_32bit_operand): New.
5476 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
5478         PR c++/21166
5479         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
5481 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
5483         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
5484         (test_for_singularity): Use fold_build2.
5486 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5488         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
5490 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
5492         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5493         (COMMON_ASM_OP) Define.
5494         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
5495         (ix86_encode_section_info): Likewise.
5496         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
5497         SUBTARGET_ENCODE_SECTION_INFO.
5499 2005-08-06  Richard Henderson  <rth@redhat.com>
5501         PR 21894
5502         * tree-nested.c (convert_local_reference): Save and restore val_only
5503         around component_ref and friends.  Clear walk_subtrees by default.
5505 2005-08-06  Peter O'Gorman  <peter@pogma.com>
5507         PR 21366
5508         * gcc.c (process_command): Check the argument to -b has a dash.
5509         * doc/invoke.texi: Update -b and -V docs.
5511 2005-08-06  James E Wilson  <wilson@specifix.com>
5513         * config/mips/cross64.h, config/mips/t-cross64: Delete.
5515 2005-08-06  Michael Matz  <matz@suse.de>
5517         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
5518         member only if only one insn is associated with the value.
5520 2005-08-06  Nick Clifton  <nickc@redhat.com>
5522         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
5523         New define.
5524         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
5525         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
5526         Check symbol flags instead of symbol name mangling.
5527         (xstormy16_asm_output_aligned_common): Likewise.  Also
5528         simplify code since the bss100_section cass is the only case
5529         where the below100 code will be triggered.
5530         (xstormy16_encode_section_info): Encode below100 attribute
5531         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
5532         the name.
5533         (xstormy16_strip_name_encoding): Delete - this function is no
5534         longer needed.
5535         (TARGET_STRIP_NAME_ENCODING): Undefine.
5536         * config/stormy16/stormy16-protos.h: Delete prototype for
5537         xstormy16_strip_name_encoding.
5539 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
5541         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
5542         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
5543         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
5544         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
5545         config/alpha/predicates.md, config/arc/arc.h,
5546         config/arm/arm.h, config/arm/ieee754-df.S,
5547         config/arm/ieee754-sf.S, config/bfin/bfin.c,
5548         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
5549         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
5550         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
5551         config/m68hc11/m68hc11.h, config/mips/mips.c,
5552         config/mips/mips.h, config/mips/openbsd.h,
5553         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
5554         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
5555         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5556         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
5557         config/sparc/linux.h, config/sparc/linux64.h,
5558         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
5559         doc/extend.texi, doc/gcov.texi, doc/install.texi,
5560         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
5561         typos.  Follow spelling conventions.
5563 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
5565         PR c/23113
5566         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
5567         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
5568         specially.  Check for side effects only for COND_EXPR.
5569         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
5570         return with TREE_NO_WARNING.
5572 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
5574         PR rtl-optimization/23233
5575         * loop.c (combine_movables): Require the modes to be the same.
5576         (move_movables): Remove handling of cases where the replacement
5577         had a different mode to the original.
5579 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
5581         PR tree-optimization/23128
5582         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
5583         subtraction wrap, and set TREE_OVERFLOW if they do.
5585 2005-08-05  Richard Henderson  <rth@redhat.com>
5587         PR 21728
5588         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
5589         FORCED_LABEL labels.
5591 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
5593         PR middle-end/23135
5594         * reload.c (find_reloads_subreg_address): Pass down TYPE
5595         unchanged.  Change all callers except find_reloads_toplev.
5597 2005-08-05  Michael Matz  <matz@suse.de>
5599         * genattrtab.c (current_alternative_string): Remove.
5600         (SIMPLIFY_ALTERNATIVE): Ditto.
5601         (attr_alt_bit_p): Ditto.
5602         (alternative_name): Make const char *.
5603         (evaluate_eq_attr): Remove use of above things.
5604         (simplify_test_exp): Ditto.
5605         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
5606         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
5608 2005-08-04  James E Wilson  <wilson@specifix.com>
5610         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
5611         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
5612         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
5613         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
5614         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
5616 2005-08-04  Richard Henderson  <rth@redhat.com>
5618         PR 21529
5619         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
5620         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
5621         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
5622         if we'd have to instantiate too many members.
5624 2005-08-04  Richard Henderson  <rth@redhat.com>
5626         PR 21291
5627         * tree-outof-ssa.c (coalesce_asm_operands): New.
5628         (coalesce_ssa_name): Use it.  Split out ...
5629         (coalesce_phi_operands, coalesce_result_decls): ... these.
5631 2005-08-04  Paul Brook  <paul@codesourcery.com>
5633         * read-rtl.c (read_quoted_string): Break if EOF.
5635 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
5637         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
5638         (fold_build2): Likewise.
5639         (fold_build3): Likewise.
5640         (fold_build1_stat): New function prototype.
5641         (fold_build2_stat): Likewise.
5642         (fold_build3_stat): Likewise.
5643         * fold-const.c (fold_build1): Rename to ..
5644         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
5645         through to build1_stat.
5646         (fold_build2): Rename to ..
5647         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
5648         through to build2_stat.
5649         (fold_build3): Rename to ..
5650         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
5651         through to build3_stat.
5653 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
5654             Ian Lance Taylor  <ian@airs.com>
5656         * function.c (assign_stack_local_1): Do not correct stack slot
5657         address if allocation size is smaller than mode size.
5659 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
5661         PR 22037
5662         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
5663         (tree_merge_blocks): Propagate anything allowed by
5664         may_propagate_copy.
5665         Clarify documentation.
5666         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
5667         SSA form, schedule an update if necessary.
5669 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
5671         * doc/install.texi (Binaries): Remove broken link to
5672         Sinix/Reliant Unix binaries.
5674 2005-08-03  Richard Henderson  <rth@redhat.com>
5676         PR 23221
5677         * function.c (stack_protect_epilogue): Export.
5678         * tree.h (stack_protect_epilogue): Declare.
5679         * calls.c (expand_call): Call it.
5681 2005-08-03  Eric Christopher  <echristo@apple.com>
5683         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
5684         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
5685         spec.
5687 2005-08-04  Jan Hubicka  <jh@suse.cz>
5689         * profile.c (branch_prob): Split edges with goto locus on them
5690         to get proper line counts.
5691         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
5693 2005-08-03  Paul Brook  <paul@codesourcery.com>
5695         * function.c (assign_parms): Round current_function_args_size
5696         to PARM_BOUNDARY, not STACK_BOUNDARY.
5698 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
5700         * config/i386/i386.c (x86_elf_aligned_common)
5701         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
5703 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
5705         PR tree-optimization/23157
5706         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
5707         before emitting them.
5709 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5711         PR tree-optimization/19899
5712         * Makefile.in (tree-scalar-evolution.o): Add real.h.
5713         * tree-scalar-evolution.c: Include real.h.
5714         (add_to_evolution): Build constant -1 of correct type.
5716 2005-08-03  Jan Hubicka  <jh@suse.cz>
5718         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
5719         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
5720         profile updating for complette unrolling.
5721         * loop-unroll.c (peel_loop_completely): Use it.
5722         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
5723         (tree_unroll_loops_completely): Disable code growing unrolling of cold
5724         loops.
5726 2005-08-03  Paul Brook  <paul@codesourcery.com>
5728         * combine.c (can_change_dest_mode): New function.
5729         (try_combine, simplify_set): Use it.
5731 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
5733         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
5734         TFmode to BLKmode.
5736 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
5738         * doc/install.texi (Specific): Adjust link to openavr.org.
5739         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
5740         (Binaries): Adjust HP-UX Porting Center link.
5741         (Binaries): Adjust Free Software Foundation ordering link.
5743 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
5745         * convert.c (convert_to_integer): Use fold_build1 instead of
5746         build1 when converting an integer to an integer.
5748 2005-08-02  Richard Henderson  <rth@redhat.com>
5750         * combine.c (combine_instructions): Don't use reg_equal/equiv
5751         results if the mode doesn't match.
5753 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
5755         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
5756         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
5758 2005-08-02  Richard Henderson  <rth@redhat.com>
5760         PR 23196
5761         * explow.c (memory_address): Remove special-case for
5762         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
5764 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
5766         PR 23164
5767         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
5768         number of calls to cleanup_tree_cfg_1.
5770 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
5772         * doc/invoke.texi: document file extensions .F90 and .F95
5774 2005-08-02  Richard Guenther  <rguenther@suse.de>
5776         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
5777         positive if its first argument is positive.
5779 2005-08-02  Richard Guenther  <rguenther@suse.de>
5781         PR tree-optimization/23177
5782         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
5783         on TMR_TAG.
5785 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
5787         PR tree-optimization/23129
5788         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
5789         varying for divisions with anti-ranges.
5791 2005-08-02  Jan Hubicka  <jh@suse.cz>
5793         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
5794         * tree-ssa-threadupdate.c (thread_block): Add it here.
5796 2005-08-01  James E Wilson  <wilson@specifix.com>
5798         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
5799         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
5800         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
5801         New.
5802         * config/mips/predicates.md (const_call_insn_operand): Add check for
5803         SYMBOL_REF_LONG_CALL_P.
5804         * doc/extend.texi (long_call): Document the new attribute.
5806 2005-08-01  Ian Lance Taylor  <ian@airs.com>
5807             Richard Henderson  <rth@redhat.com>
5809         * Makefile.in (RTL_BASE_H): Add real.h.
5810         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
5811         instead of memcpy.
5812         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
5813         directly.
5814         * rtl.c (rtl_check_failed_code_mode): New.
5815         * rtl.h (struct rtx_def): Add u.rv.
5816         (XCMWINT, XCNMPRV): New.
5817         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
5818         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
5820 2005-08-01  Richard Henderson  <rth@redhat.com>
5822         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
5823         with auto-inc codes.
5825         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
5827 2005-08-01  Jan Hubicka  <jh@suse.cz>
5829         * i386-protos.h (asm_preferred_eh_data_format): Declare.
5830         * i386.c: Include dwarf2.h
5831         (asm_preferred_eh_data_format): New.
5832         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
5834 2005-08-01  Ian Lance Taylor  <ian@airs.com>
5836         * config/host-linux.c (linux_gt_pch_get_address): Add new name
5837         randomize_va_space for virtual address randomization control.
5839 2005-08-01  Steven Bosscher  <stevenb@suse.de>
5841         * common.opt (flag_ipa_cp): Put in right place to maintain
5842         alphabetic sort.
5844 2005-08-01  Jan Hubicka  <jh@suse.cz>
5846         * profile.c (compute_value_histograms): Fix thinko.
5847         * value-prof.c: Include toplev.h
5848         (check_counter): New function.
5849         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
5850         tree_mod_subtract_transform): Add sanity check.
5852 2005-08-01  Richard Guenther  <rguenther@suse.de>
5854         PR tree-optimization/23133
5855         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
5856         current functions parameter decls to find defs to cse
5857         reciprocals of.
5859 2005-08-01  Richard Guenther  <rguenther@suse.de>
5861         PR tree-optimization/23109
5862         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
5863         If trapping math is in effect, use post-dominator information
5864         to check if we'd in any case reach a trapping point before
5865         doing the reciprocal insertion.
5866         (execute_cse_reciprocals): Compute post-dominators, if necessary.
5867         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
5868         expressions are invariant only if trapping math is not in effect.
5870 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
5872         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
5873         cgraph_function_versioning): New declarations.
5874         * cgraphunit.c: Add include to ipa-prop.h.
5875         (update_call_expr, cgraph_copy_node_for_versioning,
5876         cgraph_function_versioning): New functions.
5877         * integrate.c (copy_decl_for_inlining): Remove.
5878         * ipa-prop.h (ipa_replace_map): New struct.
5879         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
5880         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
5881         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
5882         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
5883         ipcp_iterate_stage, ipcp_method_scale_print,
5884         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
5885         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
5886         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
5887         ipcp_update_bb_counts, ipcp_update_profiling,
5888         ipcp_update_edges_counts): New functions.
5889         (ipcp_method_cval_init): Remove restriction regarding local methods.
5890         (ipcp_init_stage): Add ipcp_method_compute_scale.
5891         (ipcp_insert_stage): Add versioning.
5892         (ipcp_structures_print): Add ipcp_method_scale_print.
5893         (ipcp_driver): Dump profiling info.
5894         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
5895         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
5896         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
5897         (struct inline_data): Add versioning_p, ipa_info, new fields.
5898         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
5899         declare_return_variable): Replace calls to copy_decl_for_inlining with
5900         copy_decl_for_dup.
5901         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
5902         versioning support.
5903         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
5904         Add argument VERSIONING.
5905         (copy_arguments_for_versioning, copy_static_chain,
5906         function_versionable_p, tree_versionable_function_p,
5907         tree_function_versioning, replace_ref_tree): New functions.
5908         * tree-inline.h: Include varray.h.
5909         (tree_versionable_function_p,  tree_function_versioning,
5910         tree copy_decl_for_dup): New declarations.
5912 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
5914         * ipa-cp.c: New file. Contains IPCP specific functionality.
5915         * ipa-prop.h: New file. Contains structures/definitions that can be
5916         used by several interprocedural data flow optimizations (and also IPCP).
5917         * ipa-prop.c: New file.
5918         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
5919         * common.opt: Add ipa-cp flag.
5920         * timevar.def: Add IPCP optimization.
5921         * tree-optimize.c (init_tree_optimization_passes): Schedule
5922         pass_ipa_cp.
5923         * tree-pass.h (pass_ipa_cp): Declare.
5925 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
5927         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
5928         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
5929         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
5930         config/i386/i386.c, config/mips/mips.h,
5931         config/rs6000/rs6000.h, config/sh/sh.c,
5932         config/stormy16/stormy16.c: Fix comment typos.
5934 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
5936         PR c/22311
5937         * c-typeck.c (build_binary_op): Use common_type wrapper on
5938         shortened types.
5939         (common_type): Update comment.
5941 2005-07-31  Steven Bosscher  <stevenb@suse.de>
5943         PR target/23095
5944         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
5945         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
5946         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
5948 2005-07-31  Jan Hubicka  <jh@suse.cz>
5950         * pretty-print.h (pp_widest_integer): New macro.
5951         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
5952         counts.
5954 2005-07-31  Jan Hubicka  <jh@suse.cz>
5956         * output.h (enum section_category): Export from varasm.c
5957         (categorize_decl_for_section): Likewise.
5958         * varasm.c (enum section_category): Kill.
5959         (categorize_decl_for_section): Make global.
5960         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
5961         Declare.
5962         * i386.c (ix86_section_threshold): New static variable.
5963         (ix86_in_large_data_p, ix86_encode_section_info,
5964         x86_64_elf_unique_section,
5965         x86_64_elf_select_section): New functions.
5966         (TARGET_ENCODE_SECTION_INFO): Define
5967         (override_options): Enable medium model for PIC.
5968         (ix86_expand_prologue): Expand gen_set_got_rex64.
5969         (legitimate_constant_p): Handle new UNSPECs.
5970         (legitimate_pic_address_disp_p): Likewise.
5971         (legitimize_pic_address): Lower MEDIUM model addressing.
5972         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
5973         (enum cmodel): Add MEDIUM_PIC.
5974         (SYMBOL_REF_FAR_ADDR_P): New macro.
5975         (SYMBOL_FLAG_FAR_ADDR): New flag.
5976         * i386.md (movdi): Support medium model.
5977         (set_got_rex64): New pattern.
5978         * i386.opt (mlarge-data-threshold): New flag.
5979         * predicates.md (zext_operand/sext_operand): Deal with medium model.
5980         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
5981         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
5982         TARGET_ASM_UNIQUE_SECTION): New.
5984         * invoke.texi (-mlarge_data_threshold): Document
5986 2005-07-31  Jan Hubicka  <jh@suse.cz>
5988         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
5989         (coalesce_vars): Likewise.
5990         * tree-ssa-live.c (coalesce_cost): New.
5991         (build_tree_conflict_graph): Use coalesce_cost.
5992         * tree-ssa-live.h (coalesce_cost): Declare.
5994 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5996         * arm.md (all peepholes for post-increment operations): Delete.
5997         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
5998         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
5999         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6000         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6001         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6003 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
6005         * fold-const.c (tree_expr_nonnegative_p): Always return true for
6006         non-integral types.
6008 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
6010         PR target/22582
6011         * doc/invoke.texi: Document -rdynamic.
6013 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
6015         PR c/23143
6016         * c-parser.c (c_parser_parms_list_declarator): Call
6017         mark_forward_parm_decls.
6018         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
6019         decls with visibility structure.
6021 2005-07-30  Paul Brook  <paul@codesourcery.com>
6023         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
6025 2005-07-30  Paul Brook  <paul@codesourcery.com>
6027         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
6028         prototype.
6029         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
6030         value for mode.
6031         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
6033 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6035         PR c/529
6036         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
6037         nested function declarators.
6038         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
6039         (grokparms): Call warn_if_shadowing for parameters used within the
6040         parameter list.
6041         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
6042         not used within the parameter list.
6043         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
6045 2005-07-30  Jan Hubicka  <jh@suse.cz>
6047         * expr.c (expand_expr_real_1): Do not load mem targets into register.
6048         * i386.c (ix86_fixup_binary_operands): Likewise.
6049         (ix86_expand_unary_operator): Likewise.
6050         (ix86_expand_fp_absneg_operator): Likewise.
6051         * optabs.c (expand_vec_cond_expr): Validate dest.
6053 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6055         PR c/21720
6056         * real.c (real_from_string): Also set last bit if there is a
6057         nonzero hex digit beyond GCC's internal precision after ".".
6059 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
6061         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
6062         define_constants.  Change duplicate values to unassigned numbers.
6063         Change UNSPEC_SUBS to UNSPEC_VSUBS.
6064         (*altivec_vspltsf): New.
6065         (altivec_vperm_v4sf): Delete.
6066         (altivec_vperm_<mode>): Use mode macro V.
6067         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
6068         (altivec_predicate_v4sf): Delete.
6069         (altivec_predicate_<mode>): Use mode macro V.
6070         (*altivec_lvesfx): New.
6071         (*altivec_stvesfx): New.
6072         (vec_realign_load_v4sf): Delete.
6073         (vec_realign_load_<mode>): Use mode macro V.
6074         * config/rs6000/rs6000.c (generate_set_vrsave): Use
6075         UNSPECV_SET_VRSAVE.
6077 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
6079         PR bootstrap/23131
6080         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
6081         string.
6082         * configure: Regenerated.
6084 2005-07-29  Paul Brook  <paul@codesourcery.com>
6086         * doc/install.texi: Add link to GFortran binaries wiki page.
6088 2005-07-29  David Ung  <davidu@mips.com>
6090         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
6091         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
6092         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
6093         * config/mips/mips.md (cpu): Add 5kf name.
6094         (includes): Includes 5k.md.
6095         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
6096         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
6097         -march flag.
6099 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
6101         PR 22550
6102         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
6103         (cleanup_tree_cfg): ... here.
6104         Call cleanup_tree_cfg_1 until there are no more cleanups to
6105         do.
6107 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
6109         * tree-vrp.c (compare_range_with_value): Return true or false
6110         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
6111         EQ_EXPR respectively.
6113 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
6115         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
6116         Fix comment typos.
6118 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
6120         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
6121         (tree_ssa_dominator_optimize): Increment it.
6122         (dump_dominator_optimization_stats): Print it.
6124 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
6125             Steven Bosscher  <stevenb@suse.de>
6127         PR rtl-optimization/23117
6128         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
6129         when head == tail.  Tidy comment.
6131 2005-07-28  Richard Henderson  <rth@redhat.com>
6133         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
6134         * cselib.c (rtx_equal_for_cselib_p): Likewise.
6135         * jump.c (rtx_renumbered_equal_p): Likewise.
6136         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
6137         CONST_INT and CONST_DOUBLE.
6138         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
6139         * reload.c (operands_match_p): Special case CONST_INT and
6140         CONST_DOUBLE; check mode earlier.
6142 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6144         PR c/22240
6145         * c-typeck.c (convert_for_assignment): Do not check
6146         DECL_IN_SYSTEM_HEADER on NULL fundecl.
6148 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6150         PR c/22192
6151         * c-typeck.c (composite_type): Prefer constant size arrays to
6152         VLAs.
6154 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
6156         PR c/21720
6157         * real.c (real_from_string): Set last bit if there is a nonzero
6158         hex digit beyond GCC's internal precision.
6160 2005-07-28  Richard Henderson  <rth@redhat.com>
6162         PR rtl-opt/22619
6163         * cfgcleanup.c (try_forward_edges): Watch out for end of
6164         insn chain.
6166 2005-07-28  James E Wilson  <wilson@specifixinc.com>
6168         PR c/23106
6169         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
6171 2005-07-28  Jan Hubicka  <jh@suse.cz>
6173         * Makefile.in (rtl-profile.o): Kill all traces of it.
6174         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
6175         * coverage.h (rtl_coverage_counter_ref): Kill.
6176         * opts.c (flag_speculative_prefetching_set): Kill.
6177         (flag_loop_optimize_set): New.
6178         (common_handle_option): Disable loop optimizer when profiling;
6179         do not handle speculative prefetching.
6180         * passes.c (init_optimization_passes): Replace pass_profiling combo
6181         by branch_prob pass.
6182         * profile.c (compute_value_histograms): Update for simplified value
6183         profiles.
6184         (rtl_register_profile_hooks): Kill.
6185         (pass_profiling): Kill.
6186         (rest_of_handle_branch_prob): Do not profile.
6187         * toplev.c (process_options): Remove speculative prefetching.
6188         * toplev.h (flag_tree_based_profiling): Kill.
6189         * tree-profile.c (prepare_instrumented_value,
6190         tree_gen_interval_profiler, tree_gen_pow2_profiler,
6191         tree_gen_one_value_profiler, do_tree_profiling): Update for
6192         simplified datastructures.
6193         * value-prof.c: Add comment that speculative prefetching was dropped;
6194         update rest of file for simplified datastructures.
6195         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
6196         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
6197         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
6198         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
6199         rtl_mod_subtract, gen_speculative_prefetch,
6200         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
6201         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
6202         (gate_handle_value_profile_transformations,
6203         rest_of_handle_value_profile_transformations,
6204         pass_value_profile_transformations): Kill.
6205         * value-prof.h (histogram_value_t): Remove IL based unions.
6206         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
6207         rtl_profile_hooks): Remove hooks.
6209         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
6211         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
6212         (cgraph_clone_node): Likewise.
6213         * cgraph.h (cgraph_clone_edge): Update prototype.
6214         (cgraph_clone_node): Likewise.
6215         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
6216         cgraph_clone_node.
6217         (lookup_recursive_calls): Consider profile.
6218         (cgraph_decide_recursive_inlining): Fix updating; use new
6219         probability argument; use profile.
6220         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
6221         * tree-inline.c (copy_bb): Update clal of clone_edge.
6222         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
6224         * invoke.texi (min-inline-recursive-probability): Document.
6226 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
6228         * doc/install.texi (Configuration): Update Valgrind homepage.
6230 2005-07-28  Richard Henderson  <rth@redhat.com>
6232         PR middle-end/21362
6233         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
6234         labels we want to delete.
6235         (cfg_layout_merge_blocks): Likewise.
6237 2005-07-28  Richard Henderson  <rth@redhat.com>
6239         PR target/17692
6240         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
6241         when expanding to nothing.
6243 2005-07-28  Josh Conner  <jconner@apple.com>
6245         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
6246         (cgraph_decide_inlining_of_small_functions): Likewise.
6248 2005-07-28  Josh Conner  <jconner@apple.com>
6250         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
6251         direction of badness if negative.
6252         (cgraph_default_inline_p): Add reason to parameters, and assign it
6253         a value.
6254         (cgraph_decide_inlining_of_small_functions): New parameter in call
6255         to cgraph_default_inline_p.
6256         (cgraph_decide_inlining_incrementally): Likewise.
6257         * cgraphunit.c (decide_is_function_needed): Likewise.
6258         * cgraph.h (cgraph_default_inline_p): Likewise.
6260 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6262         * builtins.c: Fix comment typo(s).
6263         * genautomata.c: Likewise.
6264         * gimplify.c: Likewise.
6265         * tree-dfa.c: Likewise.
6266         * tree-flow-inline.h: Likewise.
6267         * tree-into-ssa.c: Likewise.
6268         * tree-ssa-alias.c: Likewise.
6269         * tree-ssa-ccp.c: Likewise.
6270         * tree-ssa-copy.c: Likewise.
6271         * tree-ssa-dce.c: Likewise.
6272         * tree-ssa-dom.c: Likewise.
6273         * tree-ssa-operands.c: Likewise.
6274         * tree-tailcall.c: Likewise.
6275         * tree-vectorizer.c: Likewise.
6276         * tree-vrp.c: Likewise.
6277         * tree.c: Likewise.
6279 2005-07-28  Jeff Law  <law@redhat.com>
6281         * tree-vrp.c (test_for_singularity): Extracted from  ...
6282         (simplify_cond_using_ranges): Attempt to simplify a relational
6283         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
6285 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
6287         PR tree-optimization/22506
6288         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
6289         phis whose argument is constant.
6291 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
6293         PR rtl-optimization/18992
6294         Back out this patch:
6295           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6296           PR optimization/12142
6297           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
6298           uses of the register in the SET_SRC.  Remove unnecessary argument.
6300         Replace it with this:
6301         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
6302         if flag_non_call_exceptions is set and the insn may trap, pass
6303         pc_rtx as dest for recursion.
6304         In SET_SRC part of SET case, if dest is already set, pass it down
6305         unchanged.
6307 2005-07-28  Jan Hubicka  <jh@suse.cz>
6309         * cfg.c (update_bb_profile_for_threading): Use RDIV.
6310         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
6311         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
6312         roundoff errors.
6313         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
6314         profile when available.
6316 2005-07-28  Jan Beulich <jbeulich@novell.com>
6318         * config/ia64/ia64.c (ia64_load_pair_ok): New.
6319         (ia64_print_operand): Describe and handle 'X'.
6320         (ia64_register_move_cost): Also handle FP_REGS.
6321         (ia64_preferred_reload_class): Likewise.
6322         (ia64_secondary_reload_class): Likewise.
6323         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
6324         it. Also check for ITANIUM_CLASS_FLDP.
6325         * config/ia64/ia64.h (FP_REGNO_P): New.
6326         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
6327         (reg_class): Add FP_REGS.
6328         (REG_CLASS_NAMES): Adjust for it.
6329         (REG_CLASS_CONTENTS): Likewise.
6330         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
6331         (REG_CLASS_FROM_LETTER): Handle 'x'.
6332         (CLASS_MAX_NREGS): Handle FP_REGS.
6333         (MEMORY_MOVE_COST): Likewise.
6334         * config/ia64/ia64.md (itanium_class): Add fldp.
6335         (type): Handle fldp.
6336         (movti_internal): More allowable operand combinations. Use ldfp8 when
6337         splitting unnecessary. Remove predicable attribute. Adjust
6338         itanium_class attribute.
6339         (smuldi3_highpart): Remove outdated comment.
6340         (mulditi3, umulditi3, rotlti3): New expanders.
6341         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
6342         (absti2): Disabled new insn for future reference.
6343         Respective new splitters.
6344         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
6345         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
6346         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
6348 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
6350         PR rtl-optimization/23047
6351         * simplify-rtx.c (simplify_const_relational_operation): Respect
6352         flag_wrapv for comparisons with ABS.
6354 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
6356         PR tree-optimization/22493
6357         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
6358         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
6360 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
6362         * config/frv/frv.opt (moptimize-membar): New.
6364         * doc/invoke.texi: Document -moptimize-membar and its inverse.
6366         * config/frv/frv.h: Remove machine_function definition.
6368         * config/frv/frv.c (struct frv_io): New.
6369         (struct machine_function): Moved from frv.h.  Add has_membar_p.
6370         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
6371         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
6372         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
6373         (frv_optimize_membar_global, frv_optimize_membar): New functions.
6374         (frv_reorg): Call frv_optimize_membar when appropriate.
6375         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
6376         (frv_expand_builtin): Adjust calls accordingly.
6377         (frv_io_address_cookie): New function.
6378         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
6379         load or store rather than a special insn.  Add ccnstant address and
6380         io-type operands to the membar.
6381         (frv_ifcvt_modify_tests): Unsign regno.
6382         (frv_ifcvt_modify_tests): Same.
6384         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
6385         UNSPEC_OPTIONAL_MEMBAR constant.
6386         (builtin_read_<mode>): Delete.
6387         (builtin_write_<mode>): Delete.
6388         ("optional_membar_<mode>"): Add operand.
6390         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
6391         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
6392         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
6393         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
6394         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
6395         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
6396         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
6397         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
6398         * testsuite/gcc.target/frv/all-read-write-1.c: New.
6400 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
6402         * df.c (df_uses_record): Handle SCRATCH.
6404 2005-07-28  Steven Bosscher  <stevenb@suse.de>
6406         PR debug/20161
6407         * passes.c (rest_of_decl_compilation): If decl is a type and
6408         we have encountered errors, don't emit debug information.
6410 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
6412         * params.def: Fixed comment.
6414 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
6416         PR target/19885
6417         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
6418         (TARGET_ASM_UNALIGNED_HI_OP): Add.
6419         (TARGET_ASM_UNALIGNED_SI_OP): Add.
6421 2005-07-27  Steven Bosscher  <stevenb@suse.de>
6423         PR c++/22003
6424         * varasm.c (assemble_start_function): Don't do anything that may
6425         require a CFG if the current function is a thunk.
6427 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
6429         * doc/install.texi (Prerequisites): Mention that perl is needed
6430         to do export control in libstdc++ targetting Darwin.
6432 2005-07-27  Steven Bosscher  <stevenb@suse.de>
6434         PR rtl-optimization/17808
6435         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
6436         (sched_insns_conditions_mutex_p): Split out from...
6437         (add_dependence): ...here.  But don't call it from here.
6438         (add_dependence_list): Check sched_insns_conditions_mutex_p
6439         before calling add_dependence.
6440         (add_dependence_list_and_free): Likewise.
6441         (fixup_sched_groups): Likewise.
6442         (sched_analyze_1): Likewise.
6443         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
6444         (sched_analyze): Likewise.
6445         (sched_analyze_insn): Likewise.
6446         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
6447         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
6448         dependencies on all COND_EXEC insns to jumps ending basic blocks
6449         when doing intrablock scheduling.
6450         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
6452 2005-07-27  Jeff Law  <law@redhat.com>
6454         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
6455         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
6456         equivalency sets, correctly handle the case were vr0 has an
6457         equivalency set, but vr1 does not.
6459 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
6461         PR tree-optimization/23073
6462         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
6463         vect_print_dump_info before fprintf.
6465 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
6467         PR tree-optimize/22348
6468         * tree-ssa-loop-niter.c (number_of_iterations_cond):
6469         Fold the partial computation.
6471 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
6473         PR tree-optimization/22325
6474         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
6475         Declare.
6476         * tree-scalar-evolution.c (scev_const_prop): Add generic final
6477         value replacement.
6478         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
6479         (force_var_cost): ... this function.
6480         (compute_phi_arg_on_exit): Export.
6482 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
6484         PR tree-optimization/20773
6485         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
6486         edge.
6488 2005-07-27  Richard Guenther  <rguenther@suse.de>
6490         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
6491         Avoid pushing again if current struct contains only
6492         fields we decomposed.
6494 2005-07-27  Jan Hubicka  <jh@suse.cz>
6496         PR tree-optimization/22574
6497         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
6498         not available.
6500         * tree-tailcall.c (decrease_profile): New function.
6501         (eliminate_tail_call): Use it.
6503         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
6504         visibility flags correctly in whole program mode.
6506 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
6508         PR rtl-optimization/22472
6509         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
6511 2005-07-26  Steven Bosscher  <stevenb@suse.de>
6513         PR tree-optimization/22504
6514         * tree-complex.c (expand_complex_addition): Use 'code' instead
6515         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
6517 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
6519         * config.gcc (cpu_type): Add frv case.
6520         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
6521         (supported_defaults): Add fr550 case.
6523 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
6525         PR 22591
6526         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
6527         whether a pointer of type T * may point to objects of type T *.
6529 2005-07-26  DJ Delorie  <dj@redhat.com>
6531         * configure: Regenerate.
6533 2005-07-26  Dale Johannesen  <dalej@apple.com>
6535         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
6537 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
6539         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
6540         Clarify use of "build" in name.
6542 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
6544         * doc/extend.texi (Raw read/write Functions): New section.
6545         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
6546         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
6547         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
6548         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
6549         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
6550         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
6551         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
6552         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
6553         * config/frv/frv.c: Add bdesc_loads global.
6554         Add bdesc_stores global.
6555         (frv_init_builtins): Add support for __builtin_{read/write}*.
6556         (frv_volatile_memref): New.
6557         (frv_expand_load_builtin): New.
6558         (frv_expand_store_builtin): New.
6559         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
6560         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
6561         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
6562         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
6563         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
6564         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
6565         (builtin_read_<mode>): New.
6566         (builtin_write_<mode>): New.
6567         (builtin_write64): New.
6568         (optional_membar_<mode>): New.
6570 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
6572         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
6573         (rather than units) against HOST_BITS_PER_WIDE_INT.
6575 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
6577         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
6578         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
6579         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
6580         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
6581         FSF address.
6583         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
6584         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
6585         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
6586         comment typos.
6587         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
6589 2005-07-26  Richard Guenther  <rguenther@suse.de>
6591         PR tree-optimization/22486
6592         * fold-const.c (fold_unary): Fold away useless component
6593         references of the form (T *)&T.x, if the address
6594         doesn't change.
6596 2005-07-25  James E Wilson  <wilson@specifixinc.com>
6598         * dwarf2out.c (add_call_src_coords_attributes): New.
6599         (gen_inlined_subroutine_die): Call it.
6600         (maybe_emit_file, init_file_table): Add comments.
6601         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
6602         maybe_emit_file.
6603         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
6604         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
6605         * tree.h (BLOCK_SOURCE_LOCATION): New.
6606         (struct tree_block): New field locus.
6608 2005-07-26  Andreas Schwab  <schwab@suse.de>
6610         PR rtl-optimization/23043
6611         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
6612         when allocating a struct unoccr.
6614 2005-07-25  Richard Henderson  <rth@redhat.com>
6616         PR 22626
6617         * tree-complex.c (gate_no_optimization): True if errors.
6618         * Makefile.in (tree-complex.o): Update dependencies.
6620 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
6622         * config/frv/predicates.md (integer_register_operand): Use
6623         GPR_AP_OR_PSEUDO_P.
6625 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
6627         PR tree-opt/22484
6628         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
6629         after fold.
6630         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
6632 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
6634         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
6635         types when flag_unsafe_math_optimizations is true.
6637 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
6639         * gcc.c (option_map): Add --sysroot.
6640         (process_command): Handle --sysroot.
6641         (display_help): Document it.
6642         * doc/cppopts.tex (-isysroot): Document.
6643         * doc/invoke.texi (--sysroot): Document.
6644         * doc/install.texi (--with-build-sysroot): Document.
6646         * Makefile.in (inhibit_libc): New variable.
6647         (INHIBIT_LIBC_CFLAGS): Likewise.
6648         (LIBGCC2_CFLAGS): Include
6649         $(INHIBIT_LIBC_CFLAGS).
6650         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
6651         ($(T)crtbegin.o): Do not use @inhibit_libc@.
6652         ($(T)crtend.o): Likewise.
6653         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
6654         ($(T)crtendS.o): Likewise.
6655         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
6656         ($(T)crtendT.o): Likewise.
6657         (stmp-fixinc): Do not complain about missing headers if
6658         inhibit_libc.
6659         * configure.ac (inhibit_libc): Set it to true/false.
6660         (--with-build-sysroot): New option.  Use it to set
6661         SYSTEM_HEADER_DIR.
6662         * configure: Regenerated.
6664 2005-07-25  Manfred Hollstein  <mh@suse.com>
6666         * calls.c (store_one_arg): Fix unsigned comparison warning.
6668 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
6670         PR other/22337
6671         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
6672         (ggc_print_statistics): Initialize variable before use.
6674 2005-07-25  Richard Guenther  <rguenther@suse.de>
6676         * tree-dfa.c (mark_new_vars_to_rename): Protect against
6677         calling with a PHI_NODE argument.
6679         * tree-flow-inline.h (overlap_subvar): Protect against
6680         possible overflow.
6682 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
6684         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
6685         * configure: Regenerate.
6687 2005-07-25  Ira Rosen  <irar@il.ibm.com>
6689         * expr.c (highest_pow2_factor): Make extern.
6690         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
6691         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
6692         record_array_differ_p, array_ptr_differ_p): Likewise.
6693         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
6694         additional cases. Call the above functions.
6695         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
6696         base_object_differ_p when there are two base objects. Otherwise, compare
6697         base address and offset. Call may_alias_p.
6698         (dump_data_reference): Use a correct field name.
6699         (analyze_array): Make static. Initialize new data-ref fields.
6700         (analyze_indirect_ref): New function.
6701         (init_data_ref): Initialize new data-ref fields.
6702         (strip_conversion): Moved from tree-vect-analyze.c.
6703         (analyze_offset_expr, get_ptr_offset, address_analysis,
6704         object_analysis): Likewise.
6705         (analyze_offset): New function.
6706         (create_data_ref): Likewise.
6707         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
6708         dimensions for ARRAY_REFs only.
6709         (build_classic_dist_vector): Make static.
6710         (access_functions_are_affine_or_constant_p): Call macro to get the
6711         address of access functions.
6712         (compute_all_dependences): Add new parameter
6713         compute_self_and_read_read_dependences. Compute self and read-read
6714         dependences if it is true.
6715         (find_data_references_in_loop): Call create_data_ref. Initialize new
6716         data-ref fields.
6717         (compute_data_dependences_for_loop): Add new parameter
6718         compute_self_and_read_read_dependences. Remove parameter nb_loops,
6719         compute nb_loops. Call compute_all_dependences,
6720         build_classic_dist_vector and build_classic_dir_vector with correct
6721         parameters.
6722         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
6723         with correct parameters. Compare dimensions for ARRAY_REFs only.
6724         (free_data_refs): Call macro to free access functions.
6725         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
6726         fields from stmt_vinfo.
6727         (struct base_object_info): New structure.
6728         (struct data_reference): Move fields to base_object_info. Add fields
6729         first_location and object_info for above structures. Move fields from
6730         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
6731         aligned_to.  Add macros to access the new fields.
6732         Update functions declarations.
6733         * tree-flow.h (is_aliased_with): Declare.
6734         * tree-loop-linear.c (linear_transform_loops): Call
6735         compute_data_dependences_for_loop with correct parameters.
6736         * tree-ssa-alias.c (is_aliased_with): New function.
6737         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
6738         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
6739         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
6740         vect_base_addr_differ_p, compute_subscript_distance and
6741         build_classic_dist_vector. Add printings. Check absolute value of
6742         distance.
6743         (vect_analyze_data_ref_dependences): Go through ddrs instead of
6744         data-refs.
6745         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
6746         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
6747         to bytes. Add printing.
6748         (vect_compute_data_refs_alignment): Go through loads and stores in one
6749         loop.
6750         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
6751         vect_analyze_data_ref_access): Likewise.
6752         (vect_analyze_pointer_ref_access): Remove.
6753         (vect_address_analysis, vect_object_analysis): Likewise.
6754         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
6755         and analyze data-refs in the loop.
6756         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
6757         fields of data-ref instead of stmt. Add init to the offset from the
6758         base.
6759         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
6760         (vect_update_init_of_dr): Likewise.
6761         (vect_update_inits_of_drs): Go through loads and stores in one loop.
6762         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
6763         removed fields.
6764         (new_loop_vec_info): Initialize new fields.
6765         (destroy_loop_vec_info): Free new fields.
6766         (vect_strip_conversion): Remove.
6767         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
6768         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
6769         datarefs. Add new field ddrs.
6770         Add macros for the new fields access.
6771         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
6772         base_aligned_p, misalignment, memtag, ptr_info and subvars.
6773         Remove their macros.
6774         * tree.h (highest_pow2_factor): Declare.
6776 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
6778         * calls.c (store_one_arg): Check for sibling call MEM arguments
6779         from already clobbered incoming argument area.
6781 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6783         * c-common.c (check_missing_format_attribute): New.
6784         * c-common.h (check_missing_format_attribute): Likewise.
6785         * c-typeck.c (convert_for_assignment): Use it.
6787 2005-07-24  Andreas Schwab  <schwab@suse.de>
6789         * config/m68k/m68k.md ("extendqidi2"): When source is an address
6790         register use a word move.  Correct operand of ext.w in 68000 code.
6792 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
6794         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
6795         variables as declarations, rather than definitions.
6797 2005-07-24  Ira Rosen  <irar@il.ibm.com>
6799         PR tree-optimization/22526
6800         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
6801         of the zero node.
6803 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
6805         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
6806         that C99 reserve for future use. Use it to define clog10,
6807         clog10f and clog10l.
6809 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6811         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
6812         * configure.ac: Check for -Wmissing-format-attribute.
6814         * configure: Regenerate.
6816 2005-07-23  Richard Henderson  <rth@redhat.com>
6818         PR tree-optimization/22623
6819         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
6821 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
6823         PR target/22577
6824         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
6826 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6828         * Makefile.in (C_TREE_H): Update dependencies.
6829         * c-tree.h: Include toplev.h.
6830         * diagnostic.h (diagnostic_set_info): Add format attribute.
6831         * rtl-error.c (diagnostic_for_asm): Likewise.
6833 2005-07-23  Chao-ying Fu  <fu@mips.com>
6835         * config/mips/mips-dsp.md: New file.
6836         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
6837         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
6838         functions.
6839         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
6840         MIPS_BUILTIN_BPOSGE32.
6841         (mips_expand_builtin_direct): Add one parameter to indicate that
6842         builtin functions need to return a value.
6843         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
6844         functions.
6845         (mips_regno_to_class): Add classes for 12 new DSP registers.
6846         (mips_subword): Change to check four HI registers.
6847         (mips_output_move): Output move to and from 6 new DSP accumulators.
6848         (override_options): Make sure -mdsp and -mips16 are not used together.
6849         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
6850         for machine modes.
6851         (mips_conditional_register_usage): Disable 6 new DSP accumulators
6852         when !TARGET_DSP.
6853         (print_operand): Add 'q' for printing DSP accumulators.
6854         (mips_cannot_change_mode_class): Check ACC_REGS.
6855         (mips_secondary_reload_class): Check ACC_REGS.
6856         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
6857         (mips_register_move_cost): Check ACC_REGS.
6858         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
6859         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
6860         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
6861         (dsp_bdesc): New array.
6862         (bdesc_arrays): Add DSP builtin function table.
6863         (mips_prepare_builtin_arg): Check predicate again after
6864         copy_to_mode_reg.
6865         (mips_expand_builtin): Add one more parameter to
6866         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
6867         MIPS_BUILTIN_BPOSGE32.
6868         (mips_init_builtins): Initialize new function types.
6869         (mips_expand_builtin_direct): Check if builtin functions need to
6870         return a value and pass operands properly.
6871         (mips_expand_builtin_bposge): New function.
6872         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
6873         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
6874         (FIRST_PSEUDO_REGISTER): Increase to 188.
6875         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6876         Update for 12 new DSP registers.
6877         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
6878         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
6879         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
6880         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
6881         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
6882         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
6883         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
6884         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
6885         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
6886         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
6887         (REGISTER_NAMES): Add names for 12 new DSP registers.
6888         * config/mips/mips.md: Include mips-dsp.md.
6889         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
6890         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
6891         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
6892         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
6893         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
6894         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
6895         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
6896         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
6897         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
6898         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
6899         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
6900         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
6901         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
6902         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
6903         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
6904         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
6905         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
6906         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
6907         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
6908         (UNSPEC_RDDSP): New constants.
6909         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
6910         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
6911         A<-d alternative.
6912         * config/mips/mips.opt (-mdsp): New option.
6913         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
6914         (reg_imm10_operand): New predicates.
6915         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
6916         * doc/invoke.texi (-mdsp): Document new option.
6918 2005-07-22  DJ Delorie  <dj@redhat.com>
6920         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
6921         to warning calls.
6922         * tree-inline.c (inlinable_function_p): Likewise.
6924 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
6926         PR debug/21828
6927         * toplev.c (check_global_declarations): Do not mark undefined
6928         variables as DECL_IGNORED_P.
6929         * varasm.c (first_global_object_name): GTY it.
6930         (weak_global_object_name): Likewise.
6931         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
6932         a string to go into {weak,first}_global_object_name.
6934 2005-07-22  DJ Delorie  <dj@redhat.com>
6936         * c-format.c (check_function_format): Change warning control
6937         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
6939 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
6941         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
6942         &PTR->FLD a dereference of PTR.
6943         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
6944         a potential dereference of PTR.
6946 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
6948         PR rtl-optimization/20370
6949         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
6950         call allocate_reg_info if necessary.
6952         PR rtl-optimization/21848
6953         * calls.c (emit_library_call_value_1): For const functions, add
6954         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
6956         PR rtl-optimization/22445
6957         * cselib.c (target.h): Include.
6958         (rtx_equal_for_cselib_p): Allow commutative matches.
6959         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
6960         Remove MODE parameter.  Changed all callers.
6962         PR rtl-optimization/22258
6963         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
6964         New functions.
6965         (try_combine): Use likely_spilled_retval_p.
6967 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
6969         * config.gcc: Add crx-elf support.
6971         * doc/contrib.texi: Mention crx.
6972         * doc/extend.texi: Document crx extensions.
6973         * doc/install.texi: Document crx install.
6974         * doc/invoke.texi: Document crx options.
6975         * doc/md.texi: Document crx constraints.
6977         * config/crx/crx-protos.h: New file.
6978         * config/crx/crx.c: New file.
6979         * config/crx/crx.h: New file.
6980         * config/crx/crx.md: New file.
6981         * config/crx/crx.opt: New file.
6982         * config/crx/t-crx: New file.
6984 2005-07-22  Manfred Hollstein  <mh@suse.com>
6986         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
6987         warnings.
6988         (int_add_graph_edge): Likewise.
6989         (collapse_nodes): Likewise.
6990         (process_unification_queue): Likewise.
6992 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6993             Laurent GUERBY  <laurent@guerby.net>
6995         PR tree-optimization/22336
6996         * function.c (record_block_change): Check for
6997         cfun->ib_boundaries_block.
6999 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
7001         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7002         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7004 2005-07-21  DJ Delorie  <dj@redhat.com>
7006         * toplev.c (warn_deprecated_use): Add warning control to warning
7007         call.
7008         * c-typeck.c (parser_build_binary_op): Likewise.
7009         (c_finish_if_stmt): Likewise.
7010         * c-common.c (check_function_sentinel): Likewise.
7011         (check_nonnull_arg): Likewise.
7013 2005-07-21  Richard Henderson  <rth@redhat.com>
7015         PR tree-opt/22504
7016         * tree-complex.c (complex_ssa_name_components): New.
7017         (cvc_lookup): Allow entry not found.
7018         (create_components): Remove.
7019         (create_one_component_var, get_component_var): New.
7020         (get_component_ssa_name, set_component_ssa_name): New.
7021         (extract_component): Use get_component_ssa_name.
7022         (update_complex_components): Use set_component_ssa_name.
7023         (update_complex_components_on_edge): Likewise.
7024         (update_phi_components): Create new PHI nodes directly, instead
7025         of adding insns to edges.
7026         (tree_lower_complex): Allocate and free complex_variable_components
7027         and complex_ssa_name_components here.
7029 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
7031         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
7032         revert to returning false.
7034 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
7036         PR target/21149
7037         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
7039 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
7041         PR target/22576
7042         * config/i386/i386.md (cmpxf): Change operand constraints
7043         to "nonmemory_operand".
7045 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
7047         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
7049 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
7051         PR middle-end/21180
7052         * fold-const.c (fold_build1): Add checksum for the operands.
7053         (fold_build2): Likewise.
7054         (fold_build3): Likewise.
7056 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
7058         PR middle-end/19055
7059         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
7061 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
7063         * common.opt (-fforward-propagate): Committed by mistake,
7064         removed.
7066 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7068         * reg-stack.c: Fix comment typo(s).
7069         * tree-ssa-operands.c: Likewise.
7070         * tree-vectorizer: Likewise.
7072 2005-07-21  Nick Clifton  <nickc@redhat.com>
7074         * config/sh/symbian.c: Replace C++ style line comments with C
7075         style line comments.
7076         (symbian_add_attribute): Do not use a ? operator on the LHS of
7077         an assignment.
7078         (sh_symbian_handle_dll_attribute): Change the type of the
7079         method vector to "VEC(tree,gc)*" and use vector accessor
7080         macros to walk over the elements.
7081         (symbian_export_vtable_and_rtti_p): Likewise.
7082         (symbian_class_needs_attribute_p): Likewise.
7084 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
7086         PR target/22085
7087         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
7088         initialize targetm.resolve_overloaded_builtin here.
7089         (altivec_expand_overloaded_builtin): Make it non-static.
7090         * config/rs6000/rs6000-protos.h
7091         (altivec_expand_overloaded_builtin): New prototype.
7092         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
7093         targetm.resolve_overloaded_builtin here.
7094         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
7096 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
7097             Zdenek Dvorak  <dvorakz@suse.cz>
7099         PR tree-optimization/19210
7100         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
7101         New.
7102         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
7103         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
7104         rely on unproven assumptions.
7105         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
7106         * tree-flow.h (number_of_iterations_exit): Add final parameter.
7107         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
7108         to number_of_iterations_exit.
7109         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
7110         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
7111         * tree-ssa-loop-niter.c (find_loop_niter,
7112         estimate_numbers_of_iterations_loop): Likewise.
7113         (number_of_iterations_exit): Honor the new options.
7114         * doc/invoke.texi (Wunsafe-loop-optimizations,
7115         funsafe-loop-optimizations): Document them.
7117 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
7119         PR rtl-optimization/22167
7120         * gcse.c (hoist_code): Fix hoist_exprs[] check.
7122 2005-07-20  Adam Nemet  <anemet@lnxw.com>
7124         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
7125         __do_global_dtors_aux longcall.
7127 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
7129         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
7130         (old_special_pred_table): Don't reference
7131         SPECIAL_MODE_PREDICATES.
7132         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
7133         * config/arc/arc.h: Don't mention PREDICATE_CODES.
7134         * config/sh/predicates.h: Don't mention
7135         SPECIAL_MODE_PREDICATES.
7136         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
7137         Remove.
7139 2005-07-20  DJ Delorie  <dj@redhat.com>
7141         * config.gcc: Add m32c-elf support.
7143         * doc/contrib.texi: Mention m32c.
7144         * doc/extend.texi: Document m32c extensions.
7145         * doc/install.texi: Mention m32c.
7146         * doc/invoke.texi: Document m32c options.
7147         * doc/md.texi: Document m32c constraints.
7149         * config/m32c/addsub.md: New file.
7150         * config/m32c/bitops.md: New file.
7151         * config/m32c/cond.md: New file.
7152         * config/m32c/jump.md: New file.
7153         * config/m32c/m32c-lib1.S: New file.
7154         * config/m32c/m32c-lib2.c: New file.
7155         * config/m32c/m32c-modes.def: New file.
7156         * config/m32c/m32c-pragma.c: New file.
7157         * config/m32c/m32c-protos.h: New file.
7158         * config/m32c/m32c.abi: New file.
7159         * config/m32c/m32c.c: New file.
7160         * config/m32c/m32c.h: New file.
7161         * config/m32c/m32c.md: New file.
7162         * config/m32c/m32c.opt: New file.
7163         * config/m32c/minmax.md: New file.
7164         * config/m32c/mov.md: New file.
7165         * config/m32c/muldiv.md: New file.
7166         * config/m32c/predicates.md: New file.
7167         * config/m32c/prologue.md: New file.
7168         * config/m32c/shift.md: New file.
7169         * config/m32c/t-m32c: New file.
7171 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7173         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7174         (stack_protect_set, stack_protect_test): New expanders.
7175         (stack_protect_set_si, stack_protect_set_si_media,
7176         stack_protect_set_di_media, stack_protect_test_si,
7177         stack_protect_test_si_media, stack_protect_test_di_media):
7178         New insns.
7180 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
7182         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
7184 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
7186         * tree.h (tree_expr_nonzero_p): Export.
7187         * fold-const.c (tree_expr_nonzero_p): Likewise.
7188         Return true for CALL_EXPRs that are alloca calls.
7189         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
7190         against zero.
7191         * tree-flow.h (expr_computes_nonzero): Remove.
7192         * tree-vrp.c (expr_computes_nonzero): Remove.
7193         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
7194         (extract_range_from_unary_expr): Likewise.
7195         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
7196         tree_expr_nonzero_p.
7198 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
7200         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
7201         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
7202         extra arg "picreg" and use it instead of pic_offset_table_rtx.
7203         All callers changed.
7204         (frame_related_constant_load): New arg "related" which controls
7205         setting of RTX_FRAME_RELATED_P.  All callers changed.
7206         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
7207         (bfin_expand_prologue): Add stack limit checking.
7208         * config/bfin/bfin.md (trapifcc): New pattern.
7210         * config/bfin/bfin.c: Include "langhooks.h".
7211         (def_builtin): Go through lang_hooks to call builtin_function.
7213         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
7214         * config/bfin/predicates.md (symbol_ref_operand): New.
7215         (call_insn_operand): Delete.  All callers changed to use
7216         register_no_elim_operand.
7217         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
7218         call_cookie field.
7219         (function_arg): Use it to generate the call's operand 2.
7220         (bfin_longcall_p): New function.
7221         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
7222         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
7223         determine if the address needs to be in a REG.
7224         (bfin_handle_longcall_attribute): New function.
7225         (bfin_attribute_table): Add "longcall" and "shortcall".
7226         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
7227         (CUMULATIVE_ARGS): New member call_cookie.
7228         (PREDICATE_CODES): Add symbol_ref_operand.
7229         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
7230         extra USE to the pattern.
7231         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
7232         New patterns, split off call_insn, sibcall_insn, call_value_insn and
7233         sibcall_value_insn; now the new patterns handle direct calls and the
7234         old ones indirect calls.
7235         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
7237 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
7239         * doc/trouble.texi: Update section on handling of empty loops.
7241 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
7243         * config.gcc: Remove support for sparc-*-openbsd*,
7244         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
7245         ns32k-*-netbsd*.
7246         * config.host: Remove support for i860-*-sysv4* as a host.
7247         * config/i860/*, config/ip2k/*, config/ns32k/*,
7248         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
7249         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
7250         mention obsolete ports.
7252 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7254         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
7255         soft frame pointer.
7256         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
7257         of frame_pointer_rtx.
7258         (sh_expand_epilogue): Likewise.
7259         (sh_set_return_address): Likewise.
7260         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
7261         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
7262         offsets from FRAME_POINTER_REGNUM.
7263         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
7264         (sh_register_names): Add initializer for sfp.
7265         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
7266         (VALID_REGISTER_P): Likewise.
7267         (FIRST_PSEUDO_REGISTER): Update.
7268         (DWARF_FRAME_REGISTERS): Define.
7269         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
7270         (HARD_FRAME_POINTER_REGNUM): Define.
7271         (FRAME_POINTER_REGNUM): Redefine.
7272         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
7273         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
7274         from FRAME_POINTER_REGNUM.
7275         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
7276         FRAME_POINTER_REGNUM.
7277         (REG_CLASS_CONTENTS): Add sfp.
7278         (REG_ALLOC_ORDER): Likewise.
7279         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
7280         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
7281         of frame_pointer_rtx.
7282         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
7284 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
7286         * fold-const.c (tree_expr_nonnegative_p): Only return true for
7287         ABS_EXPR when flag_wrapv is false because of INT_MIN.
7288         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
7289         of an ABS_EXPR.
7290         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
7291         ABS_EXPR<x>.
7293 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
7295         Make CONSTRUCTOR use VEC to store initializers.
7296         * c-common.c (complete_array_type): Update to cope with VEC in
7297         CONSTRUCTOR_ELTS.
7298         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
7299         (pp_c_constructor_elts): New function.
7300         * c-pretty-print.h (pp_c_constructor_elts): Declare.
7301         * c-typeck.c (build_function_call, build_c_cast, digest_init,
7302         struct constructor_stack, struct initializer_stack,
7303         constructor_elements, push_init_level, pop_init_level,
7304         add_pending_init, find_init_member, output_init_element): Update to
7305         cope with VEC in CONSTRUCTOR_ELTS.
7306         * coverage.c (build_fn_info_value, build_ctr_info_value,
7307         build_gcov_info): Likewise.
7308         * expr.c (categorize_ctor_elements_1, store_constructor,
7309         expand_expr_real_1): Likewise.
7310         * fold-const.c (fold_ternary): Likewise.
7311         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
7312         gimplify_init_constructor, gimplify_expr): Likewise.
7313         * tree-dump.c (dequeue_and_dump): Likewise.
7314         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
7315         node.
7316         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
7317         CONSTRUCTOR_ELTS.
7318         * tree-sra.c (generate_element_init_1): Likewise.
7319         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
7320         * tree-ssa-operands.c (get_expr_operands): Likewise.
7321         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
7322         * tree-vect-transform.c (vect_get_vec_def_for_operand):
7323         (get_initial_def_for_reduction): Likewise.
7324         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
7325         value handle in annotations.
7326         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
7327         tree_node_structure): Add support for constr_kind.
7328         (build_vector_from_ctor, build_constructor_single,
7329         build_constructor_from_list): New functions.
7330         (build_constructor): Update to take a VEC instead of a TREE_LIST.
7331         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
7332         Update to cope with VEC in CONSTRUCTOR_ELTS.
7333         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
7334         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
7335         CONSTRUCTOR_APPEND_ELT): New macros.
7336         (struct constructor_elt, struct tree_constructor): New data types.
7337         (union tree_node): Add tree_constructor field.
7338         * treestruct.def: Define TS_CONSTRUCTOR.
7339         * varasm.c (const_hash_1, compare_constant, copy_constant,
7340         compute_reloc_for_constant, output_addressed_constants,
7341         initializer_constant_valid_p, output_constant,
7342         array_size_for_constructor, output_constructor): Update to cope with
7343         VEC in CONSTRUCTOR_ELTS.
7344         * vec.h (VEC_empty, VEC_copy): New macros.
7346 2005-07-19  Devang Patel  <dpatel@apple.com>
7348         * dbxout.c (dbxout_type): Check Objective-C++ lang.
7350 2005-07-19  Richard Henderson  <rth@redhat.com>
7352         PR tree-opt/22278
7353         * gimplify.c (gimplify_expr): Use main variant type for the temp
7354         destination for a discarded volatile read.
7355         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
7356         casts between non-void types that change volatility.
7358 2005-07-15  DJ Delorie  <dj@redhat.com>
7360         * toplev.h: Add comment about the first parameter for warning().
7361         * errors.h: Likewise.
7363         * c.opt (Wpragmas): New.
7364         * doc/invoke.texi: Document it.
7366         * function.c (do_warn_unused_parameter): Add warning control to
7367         warning call.
7368         * c-decl.c (warn_if_shadowing): Likewise.
7369         * c-lex.c (cb_def_pragma): Likewise.
7370         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
7371         (pop_alignment): Likewise.
7372         (handle_pragma_pack): Likewise.
7373         (apply_pragma_weak): Likewise.
7374         (handle_pragma_weak): Likewise.
7375         (handle_pragma_redefine_extname): Likewise.
7376         (add_to_renaming_pragma_list): Likewise.
7377         (handle_pragma_extern_prefix): Likewise.
7378         (maybe_apply_renaming_pragma): Likewise.
7379         (handle_pragma_visibility): Likewise.
7381         * config/c4x/c4x-c.c (BAD): Likewise.
7382         (c4x_parse_pragma): Likewise.
7383         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
7384         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
7385         (rs6000_pragma_longcall): Likewise.
7386         * config/v850/v850-c.c (pop_data_area): Likewise.
7387         (ghs_pragma_section): Likewise.
7388         (ghs_pragma_section): Likewise.
7389         (ghs_pragma_interrupt): Likewise.
7390         (ghs_pragma_starttda): Likewise.
7391         (ghs_pragma_startsda): Likewise.
7392         (ghs_pragma_startzda): Likewise.
7393         (ghs_pragma_endtda): Likewise.
7394         (ghs_pragma_endsda): Likewise.
7395         (ghs_pragma_endzda): Likewise.
7397 2005-07-19  Danny Berlin <dberlin@dberlin.org>
7398             Kenneth Zadeck <zadeck@naturalbridge.com>
7400         * Makefile.in: Removed tree-promote-statics.c
7401         * tree-promote-statics.c: Removed.
7402         * common.opt: Removed flag-promote-statics.
7403         * opts.c: Ditto.
7404         * passes.c: Removed tree-promote-statics pass.
7405         * tree-pass.h: Ditto.
7406         * timevar.def: Removed TV_PROMOTE_STATICS.
7409 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
7411         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
7412         and *-*-freebsd9.
7413         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
7415 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7417         PR c/22476
7418         * c-common.c (check_function_arguments): Call
7419         'check_function_format' if either -Wformat or
7420         -Wmissing-format-attribute are specified.
7421         * c-format.c (check_function_format): Check -Wformat before
7422         calling 'check_format_info'.
7423         * c-opts.c (c_common_post_options): Don't warn for
7424         -Wmissing-format-attribute without -Wformat.
7425         * c-typeck.c (convert_for_assignment): Detect additional cases for
7426         -Wmissing-format-attribute.
7427         * doc/invoke.texi (-Wmissing-format-attribute): Document new
7428         behavior.
7430 2005-07-19  Richard Guenther  <rguenther@suse.de>
7432         * config/i386/i386.md (lrint<mode>2): Use temporary
7433         instead of clobbering non-existent memory.
7435 2005-07-19  Nick Clifton  <nickc@redhat.com>
7437         * config/avr/avr.c (legitimate_address_p): Fix debugging print
7438         statement to avoid displaying ASCII control characters.
7440 2005-07-19  Ben Elliston  <bje@au.ibm.com>
7442         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
7443         * cfganal.c (find_edge_index): Ditto.
7444         * combine.c (combine_instructions): Ditto.
7445         * ddg.c (create_scc): Ditto.
7446         (find_successors): Ditto.
7447         (find_predecessors): Ditto.
7448         (find_nodes_on_paths): Ditto.
7449         (longest_simple_path): Ditto.
7450         * flow.c (update_life_info): Ditto.
7451         (count_or_remove_death_notes): Ditto.
7452         (clear_log_links): Ditto.
7453         * modulo-sched.c (generate_reg_moves): Ditto.
7454         (find_max_asap): Ditto.
7455         (find_max_hv_min_mob): Ditto.
7456         (find_max_dv_min_mob): Ditto.
7457         * sbitmap.c (sbitmap_first_set_bit): Ditto.
7458         * sched-rgn.c (extract_edgelst): Ditto.
7459         * tree-into-ssa.c (prepare_names_to_update): Ditto.
7460         (dump_update_ssa): Ditto.
7461         (ssa_names_to_replace) Ditto.
7462         (switch_virtuals_to_full_rewrite): Ditto.
7463         (update_ssa): Ditto.
7464         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
7466 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
7468         Fix PR tree-optimization/22483
7470         * tree-complex.c (create_components): Use
7471         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
7472         * tree-flow-inline.h (fill_referenced_var_vec): New function.
7473         * tree-flow.h (safe_referenced_var_iterator): New structure.
7474         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
7475         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
7476         safe_referenced_var iterator.
7477         (add_type_alias): Ditto.
7479 2005-07-19  Steven Bosscher  <stevenb@suse.de>
7481         * loop-init.c (rest_of_handle_loop2): Remove.
7482         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
7483         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
7484         (pass_rtl_loop_init, pass_rtl_loop_done,
7485         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
7486         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
7487         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
7488         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
7489         pass_tree_loop_done, and pass_tree_unswitch.
7490         (gate_loop): Rename to gate_tree_loop.
7491         * passes.c (init_optimization_passes): Update for renamed tree
7492         loop passes.  Add the new loop2 passes as subpasses of loop2.
7493         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
7494         Update for the renamed tree loop passes.
7496 2005-07-18  Ian Lance Taylor  <ian@airs.com>
7498         PR middle-end/22057
7499         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
7500         blocks when optimizing.
7502 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
7504         * common.opt (frename-registers): Initialize to 2.
7505         (fweb): Ditto.
7506         (fgcse-after-reload): Ditto.
7507         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
7508         (process_options): Only change flag_web, flag_rename_registers,
7509         and flag_rerun_cse_after_loop if not explicitly set by user.
7511 2005-07-18  Jan Beulich  <jbeulich@novell.com>
7513         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
7514         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
7515         in 64-bit mode the same as DImode in 32-bit mode.
7516         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
7517         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
7518         mode. Add new mode parameter.
7519         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
7520         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
7521         x86_64_shift_adj): New expanders.
7522         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
7523         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
7524         insns.
7525         Respective new splitters. Use renamed shift splitter helpers in 32-bit
7526         DImode shift splitters.
7527         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
7528         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
7529         mode parameter.
7531 2005-07-18  Jan Beulich  <jbeulich@novell.com>
7533         * i386.md (movdi_extzv_1): New.
7534         (zero_extendhidi2): Combine alternatives and never force use of
7535         REX64 prefix.
7536         (zero_extendqidi2): Likewise. Don't restrict input selection.
7538 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
7540         Fix PR tree-optimization/22531
7541         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
7542          moment.
7544 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
7546         * tree-promote-statics.c (pass_promote_statics): Change dump file
7547          name.
7549 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
7551         * tree-optimize.c (init_tree_optimization_passes): Add
7552         pass_eliminate_useless_stores pass.
7553         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
7554         * tree-ssa-pre.c (is_copy_stmt): New function.
7555         (follow_copies_till_vuse): Ditto.
7556         (do_eustores): Ditto.
7557         (gate_eustores): Ditto.
7559 2005-07-16  Richard Henderson  <rth@redhat.com>
7561         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
7563 2005-07-16 Danny Berlin <dberlin@dberlin.org>
7564            Kenneth Zadeck <zadeck@naturalbridge.com>
7566         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
7567         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
7568         ipa-type-escape.h, tree-promote-statics.c
7569         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
7570         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
7571         tree-promote-statics.c: new files.
7572         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
7573         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
7574         int nonlocal_set_p, mark_constant_function): Deleted.
7575         (rest_of_handle_cfg): Removed call to mark_constant_function.
7576         (nonoverlapping_component_refs_p): Added calls to support
7577         type based aliasing.
7578         * tree-ssa-alias.c (may_alias_p,
7579         compute_flow_insensitive_aliasing): Ditto.
7580         * calls.c (flags_from_decl_or_type): Removed reference to
7581         cgraph_rtl_info.
7582         * c-typeck.c (convert_arguments): Make builtins tolerant of having
7583         too many arguments.  This is necessary for Spec 2000.
7584         * cgraph.h (const_function, pure_function): Removed.
7585         * common.opt: Added "fipa-pure-const", "fipa-reference",
7586         "fipa-type-escape", and "ftree-promote-static".
7587         * opts.c: Ditto.
7588         * passes.c: Added ipa and tree-promote-statics passes.
7589         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
7590         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
7591         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
7592         * tree-flow.h: Added exposed sra calls and addition of
7593         reference_vars_info field for FUNCTION_DECLS.
7594         * tree-pass.h: Added passes.
7595         * tree-sra.c: (sra_init_cache): New function.
7596         (sra_insert_before, sra_insert_after) Made public.
7597         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
7598         and made public.
7599         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
7600         aliasing. (may_alias_p): Added code to use type escape analysis to
7601         improve alias sets.
7602         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
7603         code to prune clobbers of static variables based on information
7604         produced in ipa-reference pass.  Changed call clobbering so that
7605         statics are not marked as clobbered if the call does not clobber
7606         them.
7608 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
7610         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
7611         too.
7613 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
7615         * doc/install.texi (*-*-solaris2*): Document recommended version
7616         of GNU binutils and mention GNU linker problem on Solaris 10.
7618 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
7620         PR c/22421
7621         * c-decl.c (c_build_bitfield_integer_type): New function.
7622         (finish_struct): Call it.
7623         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
7625 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7627         * c-typeck.c (digest_init): Call 'convert_for_assignment'
7628         before returning.
7630 2005-07-16  Jan Hubicka  <jh@suse.cz>
7632         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
7633         (scale_bbs_frequencies_int): Watch roundoff errors.
7634         * predict.c (return_prediction): Initialize return_stmt.
7636 2005-07-16  Jan Hubicka  <jh@suse.cz>
7638         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
7639         after RTL profiling.
7641 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
7643         PR middle-end/22398
7644         * fold-const.c (build_range_check): Convert high/low to etype
7645         if we are only comparing against exp.
7647 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
7649         Fix PR tree-optimization/22376
7650         * tree-ssa-structalias.c (build_constraint_graph): We really meant
7651         special var here.
7652         (need_to_solve): New function.
7653         (compute_points_to_sets): Use it.
7655 2005-07-15  Jan Hubicka  <jh@suse.cz>
7657         * cfg.c (update_bb_profile_for_threading): More diagnostic.
7658         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
7660 2005-07-15  Richard Guenther  <rguenther@suse.de>
7662         * c-common.c (handle_flatten_attribute): New function.
7663         Add flatten function attribute.
7664         * doc/extend.texi: Document flatten function attribute.
7665         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
7666         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
7667         New functions.
7668         (cgraph_decide_inlining): Handle functions with flatten
7669         attribute.
7671 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
7673         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
7674         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
7675         UNSPEC_XCHG, UNSPEC_AND): New.
7676         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
7677         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
7678         * config/rs6000/sync.md (FETCHOP): New code macro.
7679         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
7680         New code attrs.
7681         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
7682         (sync_compare_and_swap<mode>): Same.
7683         (sync_lock_test_and_set<mode>): Same.
7684         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
7685         for QImode and HImode, and not PPC405.
7686         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
7687         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
7688         (sync_<fetchop>{si,di}_internal): New.
7689         (sync_nand{si,di}_internal): New.
7690         (sync_old_<fetchop>{si,di}_internal): New.
7691         (sync_old_nand{si,di}_internal): New
7692         (sync_new_<fetchop>{si,di}_internal): New.
7693         (sync_new_nand{si,di}_internal): New.
7694         (atomic_and{si,di}): New.
7695         (sync_new_nand{si,di}_internal): New.
7696         (atomic_and{si,di}): New.
7697         (sync_add<mode>_internal): Delete.
7698         (sync_addshort_internal): Use unspec instead of unspec_volatile.
7699         (sync_sub<mode>_internal): Delte.
7700         (sync_subshort_internal): New.
7701         (sync_andsi_internal): Use unspec instead of unspec_volatile.
7702         (sync_anddi_internal): Delete.
7703         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
7704         (sync_booldi_internal): Delete.
7705         (sync_boolc<mode>_internal): Delete.
7706         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
7707         (sync_boolc<mode>_internal2): Delete.
7708         (sync_boolcc<mode>_internal): Delete.
7709         (isync, lwsync): Use unspec instead of unspec_volatile.
7710         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
7711         Revert UNSPEC_VOLATILE.
7712         (rs6000_split_atomic_op): New.
7713         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
7715 2005-07-14  Eric Christopher  <echristo@redhat.com>
7717         * config/mips/mips.c (mips_canonicalize_comparison): Cast
7718         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
7720 2005-07-14  Eric Christopher  <echristo@redhat.com>
7722         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
7724 2005-07-14  Steven Bosscher  <stevenb@suse.de>
7726         PR tree-optimization/22230
7727         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
7728         the computation of the four cross productions for "range op range".
7730 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
7731             Ulrich Weigand  <uweigand@de.ibm.com>
7733         PR target/20126
7734         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
7735         in some insn.
7737 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
7739         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
7741 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
7743         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
7745 2005-07-14  Richard Guenther  <rguenther@suse.de>
7747         PR middle-end/22347
7748         * config/i386/i386-protos.h (ix86_function_value): Change
7749         prototype to match new target hook.
7750         * config/i386/i386.c (ix86_value_regno): Change prototype
7751         to take extra type argument.
7752         (TARGET_FUNCTION_VALUE): Define.
7753         (ix86_function_ok_for_sibcall): Pass extra argument to
7754         ix86_value_regno, check return slot rtx for exact match.
7755         (ix86_function_value): Take extra parameter.  Dispatch to
7756         ix86_value_regno with fndecl/fntype as provided.
7757         (ix86_value_regno): Handle extra type argument.
7758         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
7760         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
7761         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
7762         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
7763         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
7764         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
7766 2005-07-14  Richard Guenther  <rguenther@suse.de>
7768         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
7769         * calls.c (expand_call): Pass fntype to hard_function_value.
7770         (emit_library_call_value_1): Likewise.
7771         * explow.c: Include target.h.
7772         (hard_function_value): Take extra argument, the fntype.
7773         Use new target hook for function_value.
7774         * expr.h (hard_function_value): Change prototype.
7775         * function.c (aggregate_value_p): Pass 0 as fntype to
7776         hard_function_value.
7777         (assign_parms): Use new target hook for function_value.
7778         Pass 0 as fntype to hard_function_value.
7779         (expand_function_end): Likewise.
7780         * reg-stack.c: Include target.h.
7781         (stack_result): Use new target hook for function_value.
7782         * target-def.h: New target hook function_value.
7783         * target.h: Likewise.
7784         * targhooks.c (default_function_value): New function.
7785         * targhooks.h (default_function_value): Declare.
7787 2005-07-13  Ian Lance Taylor  <ian@airs.com>
7789         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7791 2005-07-14  Jan Hubicka  <jh@suse.cz>
7793         * tree-dfa.c (dump_variable): Use default_def function.
7794         * tree-ssa-alias.c (dump_points_to_info): Likewise.
7795         * tree-ssa.c (verify_use): Likewise.
7796         * tree-ssanames.c (release_ssa_name): Likewise.
7797         * tree-tailcall.c (eliminate_tail_call): Likewise.
7798         (tree_optimize_tail_calls_1): Likewise.
7799         * tree-vrp.c (get_value_range): Likewise.
7801 2005-07-14  Ben Elliston  <bje@au.ibm.com>
7803         * gcc.c (main): Compare language[0] with '*' when iterating over
7804         the infiles.
7806 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
7808         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
7809         "s390_emit_compare".  Add handling of CCZ1mode.
7810         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
7811         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
7812         checking.
7813         (s390_branch_condition_mask): Add CCZ1mode handling.
7814         * config/s390/s390.md: ("seq", "*seq"): New pattern.
7815         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
7816         Use CCZ1mode instead of CCZmode.
7817         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
7819 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
7821         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
7822         pattern.
7823         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
7825 2005-07-13  Eric Christopher  <echristo@redhat.com>
7827         * config/mips/mips.c (mips_canonicalize_comparison): New.
7828         (mips_emit_int_relational): Use.
7830 2005-07-13  Eric Christopher  <echristo@redhat.com>
7832         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7833         static extra parts.
7834         * config/s390/s390.md: Include tpf.md. Move tpf specific
7835         patterns...
7836         * config/s390/tpf.md: To here.
7837         * config/s390/s390.opt: Move tpf specific options...
7838         * config/s390/tpf.opt: to here. Add mmain option.
7839         * config/s390/tpf-unwind.h: Remove unnecessary defines.
7840         * config/s390/tpf.h: Rewrite.
7842 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
7844         * doc/tm.texi: Remove @xref{Cross-profiling}.
7846 2005-07-13  Jeff Law  <law@redhat.com>
7848         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
7849         expressions, test their _DECL operands for pointer equality rather
7850         than using operand_equal_p.
7852 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
7854         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
7855         (TARGET_POSIX_IO): This.
7856         * config/darwin.h: Likewise.
7857         * config/freebsd.h: Likewise.
7858         * config/linux.h: Likewise.
7859         * config/lynx.h: Likewise.
7860         * config/netbsd.h: Likewise.
7861         * config/rs6000/linux64.h: Likewise.
7862         * config/rs6000/linux.h: Likewise.
7863         * config/s390/tpf.h: Likewise.
7864         * config/sh/embed-elf.h: Likewise.
7865         * config/sparc/linux64.h: Likewise.
7866         * config/sparc/linux.h: Likewise.
7867         * config/svr4.h: Likewise.
7868         * gcov-io.h: Likewise.
7870         * doc/tm.texi: Updated.
7872         * libgcov.c (create_file_directory): Defined only if
7873         TARGET_POSIX_IO is defined.
7874         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
7875         is defined.
7877 2005-07-13  Jan Hubicka  <jh@suse.cz>
7879         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
7881 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
7883         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
7884         structure as argument.
7886 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
7888         PR tree-optimization/21921
7889         * tree-iterator.c (tsi_link_before): Support the case when
7890         tsi_end_p (tsi) == true.
7892 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
7894         PR tree-optimization/22442
7895         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
7896         correctly.
7898 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
7900         PR rtl-optimization/20376
7901         * toplev.c (process_options): Enable -fweb and -frename-registers when
7902         unrolling.
7903         * doc/invoke.texi: Update the information about when -fweb and
7904         -frename-registers are enabled.
7906 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
7908         PR tree-opt/21840
7909         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
7910         if *rhs_p is not a SSA_NAME.
7912 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
7914         Fix PR tree-optimization/22422
7915         * tree-ssa-structalias.c (struct variable_info): Add flag for
7916         special vars.
7917         (get_varinfo): Now a static function.
7918         (new_varinfo): init has_union and is_special_var to false.
7919         (solution_set_add): Check has_union.
7920         (do_da_constraint): Move temporary variable so it gets reset
7921         properly.
7922         Also check for special variable.
7923         (do_ds_constraint): Ditto.
7924         (do_sd_constraint): Ditto.
7925         (do_structure_copy): Check for special variable.
7926         (find_func_aliases): Ditto.
7927         (init_base_vars): Set special vars properly.
7929 2005-07-13  Jan Hubicka  <jh@suse.cz>
7931         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
7932         do unit-at-a-time.
7934         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
7935         (get_expr_operands): Fix thinko wrt flags and subvars.
7937         PR tree-optimize/22379
7938         * tree-inline.c (expand_call_inline): Do not output sorry in early
7939         inlining.
7941 2005-07-12  Dale Johannesen  <dalej@apple.com>
7943         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
7945 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
7947         PR bootstrap/21704
7948         * host-linux.h: Include limits.h.
7950 2005-07-12  Dale Johannesen  <dalej@apple.com>
7952         * expr.c (compress_float_constant):  Add cost check.
7953         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
7955 2005-07-12  Dale Johannesen  <dalej@apple.com>
7957         * gcc.target/i386/compress-float-sse.c:  New.
7958         * gcc.target/i386/compress-float-sse-pic.c:  New.
7959         * gcc.target/i386/compress-float-387.c:  New.
7960         * gcc.target/i386/compress-float-387-pic.c:  New.
7961         * gcc.dg/compress-float-ppc.c:  New.
7962         * gcc.dg/compress-float-ppc-pic.c:  New.
7964 2005-07-12  Eric Christopher  <echristo@redhat.com>
7966         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7967         static extra parts.
7968         * config/s390/s390.md: Include tpf.md. Move tpf specific
7969         patterns...
7970         * config/s390/tpf.md: To here.
7971         * config/s390/s390.opt: Move tpf specific options...
7972         * config/s390/tpf.opt: to here. Add mmain option.
7973         * config/s390/tpf-unwind.h: Remove unnecessary defines.
7974         * config/s390/tpf.h: Rewrite.
7976 2005-07-12  Eric Christopher  <echristo@redhat.com>
7978         * gcc.c (struct infile): Update comment for language.
7979         (main): Rewrite input file resetting code.
7981 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
7983         PR tree-opt/22335
7984         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
7985         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
7986         (lookup_avail_expr): Use constant_boolean_node instead
7987         of boolean_false_node/boolean_true_node.
7989 2005-07-12  Ben Elliston  <bje@au.ibm.com>
7991         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
7992         and use it when printing num_edges.
7994 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
7996         * doc/extend.texi (Blackfin Built-in Functions): New section.
7997         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
7998         @opindex.
8000 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
8002         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8003         s/cmpstrsi/cmpstrnsi
8004         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8005         'cmpstrnsi'.
8006         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8007         (init_optabs): Initialize cmpstrn_optab.
8008         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8009         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8010         * expr.c: (enum insn_code cmpstrn_optab): Declare.
8011         * config/i386/i386.md: s/cmpstr/cmpstrn
8012         * config/c4x/c4x.md: s/cmpstr/cmpstrn
8013         * doc/md.texi: Update documentation.
8015 2005-07-11  Richard Henderson  <rth@redhat.com>
8017         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
8018         build_va_arg_indirect_ref.
8019         (alpha_gimplify_va_arg): Likewise.
8020         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
8021         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8022         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
8023         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
8024         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8025         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
8026         Likewise.
8027         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8029 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
8031         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
8032         * passes.c (init_optimization_passes): Add pass_empty_loop.
8033         * tree-pass.h (pass_empty_loop): Declare.
8034         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
8035         try_remove_empty_loop, remove_empty_loops): New functions.
8036         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
8037         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
8039 2005-07-12  Peter Barada  <peter@the-baradas.com>
8041         PR middle-end/16719
8042         PR middle-end/18421
8043         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
8044         in address registers.
8045         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
8046         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
8047         alternative of addsi3_5200.
8049 2005-07-11  Ian Lance Taylor  <ian@airs.com>
8051         * config/mips/mips.md (ffs<mode>2): Remove.
8053 2005-07-11  Ian Lance Taylor  <ian@airs.com>
8055         * doc/tree-ssa.texi (Cleanups): Improve description of
8056         TRY_FINALLY_EXPR.
8057         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
8059 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
8061         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
8062         * tree.h (DECL_ARGUMENT_FLD): New macro.
8064 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
8066         Fix PR tree-optimization/22404
8068         * tree-ssa-structalias.c (create_variable_info_for): Use
8069         correct offset.
8071 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
8073         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
8074         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
8075         for second comparison operand.
8076         * config/bfin/predicates.md (reg_or_const_int_operand): New.
8078         * config/bfin/bfin.md (define_attr "type"): Add "sync".
8079         (define_insn_reservation "alu"): Likewise.
8080         (csync, ssync): Now of type sync.
8081         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
8082         -mcsync-anomaly -mspecld-anomaly.
8083         * config/bfin/bfin.opt (mcsync): Remove.
8084         (mcsync-anomaly, mspecld-anomaly): Add.
8085         * config/bfin/bfin.c: Include "insn-codes.h".
8086         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
8087         (TARGET_DEFAULT_TARGET_FLAGS): New.
8088         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
8090 2005-07-11  Steven Bosscher  <stevenb@suse.de>
8092         * basic-block.h: Give the BB flags enum a name, bb_flags.
8093         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
8094         * cfgcleanup.c (enum bb_flags): Remove here.
8095         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
8096         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
8097         (update_forwarder_flag): Likewise.
8098         (thread_jump): Likewise.
8099         (try_forward_edges): Likewise.
8100         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
8101         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
8102         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
8104 2005-07-11  Richard Guenther  <rguenther@suse.de>
8106         * config/i386/i386.opt: New target option -msseregparm.
8107         * config/i386/i386.c (override_options): Error out for
8108         -msseregparm but no SSE support.
8109         (ix86_function_sseregparm): Check for global sseregparm.
8110         * doc/invoke.texi: Document -msseregparm.
8112 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8114         * config.gcc (m32r-*-linux*): Use the default extra_parts.
8115         (m32rle-*-linux*): Ditto.
8117 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
8119         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
8120         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
8121         bytes.
8123 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8125         PR middle-end/22239
8126         PR target/20126
8127         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
8128         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
8130 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
8132         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
8133         (varmap): Heapify varmap.
8134         (constraints): Heapify constraints.
8135         (struct constraint_graph): Heapify succs and preds.
8136         (constraint_vec_find): Update for heapification.
8137         (constraint_set_union): Ditto.
8138         (insert_into_complex): Ditto.
8139         (constraint_edge_vec_find): Ditto.
8140         (erase_graph_self_edge): Ditto.
8141         (add_graph_edge): Ditto.
8142         (get_graph_weights): Ditto.
8143         (merge_graph_nodes): Ditto.
8144         (build_constraint_graph): Ditto.
8145         (topo_visit): Ditto.
8146         (solve_graph): Ditto.
8147         (create_variable_info_for): Ditto.
8148         (init_base_vars): Ditto.
8149         (delete_points_to_sets): Free graph, varmap, and complex constraints.
8150         (condese_varmap_nodes): Free complex vector.
8151         (clear_edges_for_node): Clear succs and preds vector.
8153 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
8155         * tree-ssa-structalias.c (update_alias_info): Change counting of
8156         references to not include vdefs.
8158 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
8160         * tree-ssa-alias.c (free_used_part_map): Add missing free.
8161         (up_insert): Ditto.
8163 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8165         * pa.c (pa_commutative_p): Make PLUS commutative when
8166         TARGET_NO_SPACE_REGS is true.
8168 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
8170         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
8171         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
8172         * tree-dfa.c (dump_subvars_for): New.
8173         (debug_subvars_for): New.
8174         (dump_variable): Show subvariables if VAR has them.
8175         * tree-flow-inline.h (get_subvar_at): New.
8176         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
8177         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
8178         Update all users.
8179         (struct subvar): Change fields offset and size to unsigned
8180         HOST_WIDE_INT.
8181         (dump_subvars_for): Declare.
8182         (debug_subvars_for): Declare.
8183         (get_subvar_at): Declare.
8184         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
8185         to unsigned HOST_WIDE_INT *.
8186         (overlap_subvar): Likewise.
8187         * tree-gimple.c (is_gimple_reg): Always return false for
8188         SFTs and memory tags.
8189         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
8190         Update all callers.
8191         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
8192         (compute_may_aliases): Call compute_points_to_sets.
8193         (collect_points_to_info_for): Remove.
8194         (compute_points_to_and_addr_escape): Remove.
8195         (delete_alias_info): Call delete_points_to_sets.
8196         (compute_flow_sensitive_aliasing): If the call to
8197         find_what_p_points_to returns false, call set_pt_anything.
8198         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
8199         (set_pt_anything): Clear pi->pt_vars.
8200         (set_pt_malloc): Remove.
8201         (merge_pointed_to_info): Remove.
8202         (add_pointed_to_expr): Remove.
8203         (add_pointed_to_var): Remove.
8204         (collect_points_to_info_r): Remove.
8205         (is_escape_site): Make extern.
8206         (create_sft): New.
8207         (create_overlap_variables_for): Call it.
8208         * tree-ssa-copy.c (merge_alias_info): Never merge
8209         flow-sensitive alias information.
8210         * tree-ssa-operands.c (get_expr_operands): Adjust variables
8211         offset and size to be unsigned HOST_WIDE_INT.
8212         (add_to_addressable_set): Rename from note_addressable.
8213         Set TREE_ADDRESSABLE as the variables are added to the set.
8214         Update all users.
8215         (add_stmt_operand): Do not try to micro-optimize unmodifiable
8216         operands into VUSEs when adding V_MAY_DEFs for members in an
8217         alias set.
8218         * tree-ssa-operands.h (add_to_addressable_set): Declare.
8219         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
8220         (struct variable_info): Add bitfield is_heap_var.
8221         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
8222         (new_var_info): Initialize is_heap_var.
8223         (get_constraint_for): Add HEAP variables to the symbol table.
8224         Mark them with is_heap_var.
8225         (update_alias_info): New.  Taken mostly from the old
8226         compute_points_to_and_addr_escape.
8227         (handle_ptr_arith): New.
8228         (find_func_aliases): Call update_alias_info.
8229         Call handle_ptr_info for tcc_binary expressions.
8230         Call mark_stmt_modified.
8231         (create_variable_info_for): If DECL has subvars, do not create
8232         variables for its subvars.  Always add all the fields.
8233         (set_uids_in_ptset): If the solution includes ANYOFFSET and
8234         SFTs, then add all the SFTs of the structure.
8235         If VI->DECL is an aggregate with subvariables, add the SFT at
8236         VI->OFFSET.
8237         (find_what_p_points_to): If VI is an artificial variable,
8238         translate to bitfields in SSA_NAME_PTR_INFO.
8239         If the solution is empty, set pi->pt_vars to NULL
8240         (init_base_vars): Create ANYOFFSET.
8241         (compute_points_to_sets): Rename from create_alias_vars.
8242         Make extern.
8243         (pass_build_pta): Remove.
8244         (delete_points_to_sets): Rename from delete_alias_vars.
8245         (pass_del_pta): Remove.
8246         * tree-ssa-structalias.h (struct alias_info): Move from
8247         tree-ssa-alias.h.
8248         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
8249         NUM_REFERENCES_SET): Likewise.
8250         (compute_points_to_sets, delete_points_to_sets): Declare.
8252 2005-07-09  Richard Henderson  <rth@redhat.com>
8254         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
8255         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
8256         alpha_split_lock_test_and_set_12): New functions.
8257         * config/alpha/alpha-protos.h: Update.
8258         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
8259         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
8260         * config/alpha/sync.md (I12MODE): New.
8261         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
8262         (sync_<fetchop_name><I48MODE>): Likewise.
8263         (sync_nand<I48MODE>): Likewise.
8264         (sync_old_<fetchop_name><I48MODE>): Likewise.
8265         (sync_new_<fetchop_name><I48MODE>): Likewise.
8266         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
8267         (sync_compare_and_swap<I48MODE>): Likewise.
8268         (sync_lock_test_and_set<I48MODE>): Likewise.
8269         (sync_compare_and_swap<I12MODE>): New.
8270         (sync_compare_and_swap<I12MODE>_1): New.
8271         (sync_lock_test_and_set<I12MODE>): New.
8272         (sync_lock_test_and_set<I12MODE>_1): New.
8274 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
8276         PR 21356
8277         PR 22332
8278         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
8280 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
8282         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
8283         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
8285 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
8287         PR target/21656
8288         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8290 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
8292         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
8293         memory_operand constraint.
8294         (store_conditional_<mode>): Same.
8295         (sync_compare_and_swap<mode>): Same.
8296         (sync_lock_test_and_set<mode>): Same.
8298 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
8300         Rewrite PIC support to more closely model actual instructions.
8301         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
8302         (cris_symbol): Remove prototypes for removed functions.
8303         (cris_pic_symbol_type_of, cris_valid_pic_const)
8304         (cris_expand_pic_call_address): Prototypes for new functions.
8305         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
8306         variable.
8307         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
8308         modifiers.
8309         <case ':'>: Add case for new punctuation character.
8310         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
8311         emitting (extra) PIC modifier.
8312         <case UNSPEC>: Do not assert for PLT.
8313         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
8314         (cris_expand_prologue, cris_expand_epilogue): Check
8315         for pic_offset_table_rtx usage instead of taking
8316         current_function_uses_pic_offset_table as the final word.
8317         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
8318         Remove flag_pic difference.
8319         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
8320         the moral equivalents of...
8321         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
8322         functions.
8323         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
8324         (cris_handle_option): Mark ARG as unused.
8325         (cris_expand_pic_call_address): New worker function for "call",
8326         "call_value".
8327         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
8328         output PIC constructs here.
8329         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
8330         as symbol-specific modifers, not whole or part of operands.
8331         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
8332         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
8333         constants and flag_pic.
8334         (CONSTANT_INDEX_P): Adjust for new functions.
8335         (enum cris_pic_symbol_type): New helper type.
8336         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
8337         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
8338         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
8339         define_constants.
8340         ("movsi"): Emit actual instructions for GOT and relative access.
8341         ("*movsi_got_load"): New pattern to set up the register holding
8342         the GOT pointer.
8343         ("*movsi_internal"): Operand 1 is not a plain general_operand.
8344         Adjust FIXME for 'S'.
8345         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
8346         Use "movs" for -fpic cases.
8347         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
8348         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
8349         ("call", "call_value"): Just call cris_expand_pic_call_address for
8350         PIC addresses.
8351         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
8352         Remove special pattern.
8353         ("*expanded_call_side", "*expanded_call_value_side"): New
8354         patterns.
8355         (gotplt-to-plt, gotplt-to-plt-side-call)
8356         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
8357         peephole2:s.
8358         * config/cris/cris/predicates.md
8359         ("cris_general_operand_or_gotless_symbol"): Remove unused
8360         predicate.
8361         ("cris_general_operand_or_symbol"): Adjust for new functions.
8363 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
8365         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
8367 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
8369         * Makefile.in (TREE_H): Add treestruct.def.
8370         (c-decl.o): Add pointer-set.h
8371         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
8372         visibility on regular DECL's.
8373         (merge_decls): Fix the copying of decl nodes of various types for
8374         the new structures.  Don't update RTL, section name, weak status,
8375         etc, on DECL's without RTL.
8376         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
8377         Don't check volatile on non-variable types.
8378         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
8379         to check whether we have seen arguments.
8380         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
8381         flag is checked before field (flag is common, field is not).
8382         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
8383         TS_DECL_COMMON could have an origin.
8384         (add_location_or_const_value_attribute): Don't check section name
8385         on non-var/function decls.
8386         (dwarf2out_var_location): Reverse order of tests.
8387         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
8388         with DECL_WRTL_CHECK.
8389         * expmed.c (make_tree): rtl is now in decl_with_rtl.
8390         * fold-const.c (fold_binary): Don't check weakness on
8391         non-var/function decls.
8392         (tree_expr_nonzero_p): Ditto.
8393         (fold_checksum_tree): Use tree_decl_extra as sizeof
8394         buffer.
8395         * ggc-page.c (extra_order_size_table): Add sizes for
8396         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
8397         tree_field_decl.
8398         * gimplify.c (gimplify_bind_expr): Only set
8399         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
8400         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
8401         without RTL.
8402         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
8403         * langhooks.h (init_ts). New langhook.
8404         * passes.c (rest_of_decl_compilation): Reverse order of tests.
8405         * print-tree.c (print_node): Update to only print fields that
8406         exist in the structures the passed decl has.
8407         * toplev.c (wrapup_global_declarations): Don't reset
8408         DECL_DEFER_OUTPUT on DECL's that don't contain it.
8409         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
8410         * tree-inline.c (remap_decl): Ditto.
8411         * tree-outof-ssa.c (create_temp): Reverse order of tests.
8412         * tree-pretty-print.c (print_declaration): Don't print
8413         DECL_REGISTER on things that don't contain it.
8414         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
8415         non-var/function decls.
8416         * tree.c (tree_contains_struct): New structure.
8417         (init_priority_for_decl): New hashtable.
8418         (tree_int_map): New structure.
8419         (tree_int_map_eq): New function.
8420         (tree_int_map_marked_p): Ditto.
8421         (tree_int_map_hash): Ditto.
8422         (tree_map): Move to tree.h.
8423         (tree_map_eq): Externalize.
8424         (tree_map_hash): Ditto.
8425         (tree_map_marked_p): Ditto.
8426         (init_ttree): Set up tree_contains_struct and call langhook.
8427         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
8428         (tree_code_size): Update for new structures.
8429         (tree_node_structure): Update for new structures.
8430         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
8431         without the field.
8432         (copy_node_stat):  Copy init priority.
8433         (build_decl_stat): Ditto for visibility.
8434         (ts_enum_names): New.
8435         (tree_contains_struct_check_failed): New function.
8436         (decl_init_priority_lookup): Ditto.
8437         (decl_init_priority_insert): Ditto.
8438         * treestruct.def: New file.
8439         * tree.h (CODE_CONTAINS_STRUCT): New macro.
8440         (CONTAINS_STRUCT_CHECK): Ditto.
8441         (tree_contains_struct_check_failed): New prototype.
8442         (DECL_CHECK): Removed.
8443         (DECL_MINIMAL_CHECK): New.
8444         (DECL_COMMON_CHECK): Ditto.
8445         (DECL_WRTL_CHECK): Ditto.
8446         (DECL_NON_COMMON_CHECK): Ditto.
8447         (DECL_WITH_VIS_CHECK): Ditto.
8448         (VAR_OR_FUNCTION_DECL_P): Ditto
8449         (struct tree_decl_minimal): New structure.
8450         (struct tree_decl_common): Ditto.
8451         (struct tree_decl_with_rtl): Ditto.
8452         (struct tree_decl_with_vis): Ditto.
8453         (struct tree_decl_non_common): Ditto.
8454         (struct tree_field_decl): Ditto.
8455         (struct tree_parm_decl): Ditto.
8456         (struct tree_var_decl): Ditto.
8457         (struct tree_function_decl): Ditto.
8458         (struct tree_const_decl): Ditto.
8459         (struct tree_result_decl): Ditto.
8460         (union tree_node): Add new structures.
8461         * var-tracking.c (track_expr_p): Reverse order of tests.
8463         * doc/c-tree.texi: Add documentation on DECL node internal structure.
8465 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
8467         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
8468         * system.h: Poison FINALIZE_PIC.
8469         * doc/tm.texi (FINALIZE_PIC): Remove.
8471 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
8473         PR tree-opt/22329
8474         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
8475         to the correct type if we have a MODIFY_EXPR.
8477 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
8479         PR tree-optimization/22360
8480         * tree.c (upper_bound_in_type): Fix calculations for casting
8481         to a non-wider signed type and casting a signed value to a
8482         wider unsigned type.
8483         (lower_bound_in_type): Fix calculations for casting to a
8484         non-wider signed type.
8486         PR tree-optimization/20139
8487         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
8488         release_defs.
8489         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
8490         fold_cond_expr_cond.
8491         * tree-ssanames.c (release_defs): Assert in_ssa_p.
8492         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
8494 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
8496         PR tree-opt/22356
8497         * tree-complex.c (expand_complex_libcall): Produce
8498         REALPART_EXPR/IMAGPART_EXPR with the correct type.
8500 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
8502         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
8503         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
8504         b" assert and inserted fastpath code for this case.
8505         (bitmap_ior): Removed "a != b" assert.
8507 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8509         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
8510         (ENDFILE_SPEC): Likewise.
8511         * config/m32r/m32r.h (ASM_SPEC): Likewise.
8513         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
8514         a large stack frame at epilogue.
8516 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
8518         * final.c: Include sdbout.h when required.
8520 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
8522         * config.gcc (*-*-darwin*): Only one target-specific header file
8523         for generic darwin.
8524         (powerpc-*-darwin*): Add version-specific header files.
8525         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
8526         * config.in: Regenerate.
8527         * configure: Regenerate.
8528         * gcc.c: Include xregex.h.
8529         (version_compare_spec_function): New.
8530         (spec_function): Add version-compare.
8531         (replace_outfile_spec_function): Reformat comment.
8532         (compare_version_strings): New.
8533         * config/darwin-c.c (version_as_macro): New.
8534         (builtin_define): New.
8535         (darwin_cpp_builtins): New.
8536         * config/darwin-protos.h (darwin_cpp_builtins): New.
8537         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
8538         (LIB_SPEC): Make unconditional, update comment.
8539         (TARGET_C99_FUNCTIONS): Define.
8540         * config/darwin.opt: Sort.
8541         (mmacosx-version-min=): New.
8542         * config/darwin7.h: Delete.
8543         * config/darwin8.h: Delete.
8544         * config/i386/darwin.h (): Call darwin_cpp_builtins.
8545         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
8546         (TARGET_C99_FUNCTIONS): Define.
8547         * config/rs6000/darwin7.h: New.
8548         * config/rs6000/darwin8.h: New.
8549         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
8550         (-mmacosx-version-min): Document.
8552 2005-07-07  Ian Lance Taylor  <ian@airs.com>
8554         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
8556 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
8558         PR middle-end/22239
8559         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
8561 2005-07-07  Khem Raj  <kraj@mvista.com>
8563         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
8564         in bytes, not words.
8566 2005-07-07  Paul Brook  <paul@codesourcery.com>
8568         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
8569         DEFAULT_FUNCTION_ARG_PADDING to upward.
8571 2005-07-07  Richard Henderson  <rth@redhat.com>
8573         * function.c (locate_and_pad_parm): Record parameter alignment in
8574         stack_alignment_needed.
8576 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
8578         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
8579         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
8580         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
8581         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
8582         (define_attr "type"): Add isync, sync, load_l, store_c.
8583         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
8584         Create scratch volatile MEM.
8585         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
8586         sync.
8587         (load_locked_<mode>): New.
8588         (store_conditional_<mode>): New.
8589         (sync_compare_and_swap<mode>): Replace with splitter.
8590         (sync_lock_test_and_set<mode>): Replace with splitter.
8591         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
8592         and UNSPECV_ISYNC.
8593         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
8594         is ics.  Attribute isync.
8595         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
8596         lwsync.
8597         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
8598         and UNSPECV_SYNC_OP.
8599         (emit_unlikely_jump): New.
8600         (emit_load_locked): New.
8601         (emit_store_conditional): New.
8602         (rs6000_split_compare_and_swap): New.
8603         (rs6000_split_lock_test_and_set): New.
8604         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
8605         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
8606         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
8607         rs6000_split_lock_test_and_set): Declare.
8608         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
8609         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
8610         store_c, isync, sync.
8612 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
8614         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
8615         filenames to gtyp-gen.h.
8616         (s-typ-gen): Use it in place of for loops.
8618 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
8620         * hooks.c (hook_bool_rtx_int_false): New function.
8621         * hooks.h (hook_bool_rtx_int_false): Declare.
8622         * target-def.h (TARGET_COMMUTATIVE_P): Define.
8623         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
8624         * target.h (struct gcc_target): Add commutative_p member.
8625         * targhooks.c (hook_bool_rtx_commutative_p): New function.
8626         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
8627         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
8628         (pa_commutative_p): New function.
8629         * jump.c (target.h): Include.
8630         (rtx_renumbered_equal_p): Use targetm.commutative_p.
8631         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
8633 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
8635         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
8636         (s390_expand_setmem): New.
8637         * config/s390/s390.c: Likewise.
8638         (print_shift_count_operand): Truncate to 12 bits instead of 6.
8639         Adapt comments.
8640         * config/s390/s390.md: ("setmem<mode>"): Accept character as
8641         general_operand.  Call new function "s390_expand_setmem".
8642         ("clrmem_long", "*clrmem_long"): Rewrite to ...
8643         ("setmem_long", "*setmem_long"): ... this.
8645 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
8647         * config/s390/s390.c: (optimization_options): Enable
8648         TARGET_MVCLE at -Os.
8649         * doc/invoke.texi: Document changes in default behaviour.
8650         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
8652 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
8654         * expr.c: (set_storage_via_setmem): Convert opchar to mode
8655         defined by back-end.
8657 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
8659         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
8660         all sets in the pattern.
8661         * config/rs6000/rs6000.md (stack_protect_testsi,
8662         stack_protect_testdi): Likewise.
8664 2005-07-06  Jeff Law  <law@redhat.com>
8666         * tree-vrp.c (simplify_using_ranges): Kill.
8667         (vrp_finalize): Remove call to simplify_using_ranges.
8668         (simplify_stmt_using_ranges): New function extracted from
8669         simplify_using_ranges.
8670         (simplify_div_or_mod_using_ranges): Likewise.
8671         (simplify_abs_using_ranges): Likewise.
8672         (simplify_cond_using_ranges): New function.
8673         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
8674         * tree-ssa-propagate.c (substitute_and_fold): Call
8675         simplify_stmt_using_ranges if we have range information.
8677 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
8679         * config/ia64/ia64.c (ia64_reorg): Check optimize before
8680         ia64_flag_schedule_isns2.
8682         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
8683         reading/writing general registers.
8684         (ia64_function_arg): Revert 2005-06-18 change.
8686 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
8688         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
8689         (legitimize_tls_address): Use gcc_unreachable instead of abort.
8691 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
8693         * function.c (expand_function_end): Revert part of 2005-06-27
8694         patch.  Do sjlj_emit_function_exit_after after return_label.
8696 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
8698         * doc/install.texi (--disable-libssp): New.
8700 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
8702         * doc/invoke.texi: Update -fforce-mem documentation.
8703         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
8704         code for -fforce-mem.
8705         * expmed.c: (store_bit_field,store_fixed_bit_field,
8706         extract_bit_field): Ditto.
8707         * expr.c: (convert_move): Ditto.
8708         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
8709         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
8710         emit_conditional_add,expand_float,expand_fix): Ditto.
8711         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
8712         (common_handle_option): Issue warning when -fforce-mem specified.
8714 2005-07-06  Paul Brook  <paul@codesourcery.com>
8716         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
8717         argument is empty.
8718         * configure: Regenerate.
8720 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
8722         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
8724 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
8726         Fix PR tree-optimization/22319
8727         Fix PR tree-optimization/22140
8728         Fix PR tree-optimization/22310
8730         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
8731         variable sized types.
8732         Use correct type for intermediate structure on *a = *b structure
8733         copies.
8735 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
8737         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
8738         Remove.
8739         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
8740         (machine_function): Move typedef to...
8741         * config/rs6000/rs6000.c (machine_function): ... here.  Add
8742         varargs_save_offset field.
8743         (rs6000_stack_t): Remove varargs_size field.
8744         (setup_incoming_varargs): Allocate varargs save area using
8745         assign_stack_local, try to make it as small as possible.
8746         Save offset from virtual_stack_vars_rtx to the save area
8747         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
8748         instead of magic 8 when fp word byte size is used.
8749         (rs6000_va_start): Use cfun->machine->varargs_save_offset
8750         instead of -RS6000_VARARGS_SIZE.
8751         (rs6000_stack_info, debug_stack_info,
8752         rs6000_initial_elimination_offset): Remove all traces of
8753         varargs_size.
8754         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
8755         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
8756         RS6000_VARARGS_AREA.
8758 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
8760         PR tree-optimization/21963
8761         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
8762         constant_multiple_of in the same way get_computation_cost_at does.
8764 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
8766         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
8767         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
8768         (gen_compare_reg): If sparc_compare_emitted is set, clear it
8769         and return its previous value.
8770         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
8771         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
8772         constants.
8773         (stack_protect_set, stack_protect_test): New expanders.
8774         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
8775         stack_protect_testdi): New insns.
8776         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8777         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
8779 2005-07-06  Jeff Law  <law@redhat.com>
8781         * tree-ssa-dce.c (cfg_altered): New global.
8782         (tree_dce_init): Initialize cfg_altered.
8783         (remove_dead_stmt): If we remove an edge in the CFG, then set
8784         CFG_ALTERED.
8785         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
8786         the dominators.
8788 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
8790         * Makefile.in (stamp-collect-ld): Use
8791         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
8792         ./collect-ld if it already exists.
8793         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
8794         Don't remove ./nm if it already exists.
8796 2005-07-05  Devang Patel  <dpatel@apple.com>
8798         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
8799         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
8800         * tree-vectorizer.c (vect_loop_location): New.
8801         (vect_print_dump_info): Use vect_loop_location.
8802         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
8803         (vectorize_loops): Set vect_loop_location.
8804         * tree-vect-analyze.c (vect_analyze_offset_expr,
8805         vect_determin_vectorization_factor, vect_analyze_operations,
8806         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
8807         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
8808         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
8809         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
8810         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
8811         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
8812         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
8813         vect_analyze_loop): Adjust vect_print_dump_info API.
8814         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8815         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
8816         vect_finish_stmt_generation, vectorizable_assignment,
8817         vectorizable_operation, vectorizable_store, vectorizable_load,
8818         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
8819         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
8820         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
8821         vect_transform_loop): Same.
8822         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
8823         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
8824         Same.
8826 2005-07-05  Randolph Chung  <tausq@debian.org>
8828         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
8829         * configure: Regenerate.
8830         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
8831         (pa_tls_referenced_p): Declare.
8832         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
8833         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
8834         (legitimize_tls_address): New.
8835         (hppa_legitimize_address): Handle TLS addresses.
8836         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
8837         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8838         (emit_move_sequence): Handle TLS addresses.
8839         (pa_encode_section_info): Call default handler to handle common
8840         sections.
8841         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
8842         (CONSTANT_ADDRESS_P): Reject TLS operands.
8843         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
8844         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
8845         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
8846         (UNSPEC_TLSLE): Define new constants.
8847         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
8848         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
8849         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
8850         (tie_symbolic_operand, tle_symbolic_operand): New
8852 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
8854         * aclocal.m4: Update macros for autoconf 2.59 style.
8855         * configure.ac: Likewise.
8857 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8859         * pa.c (function_value): Handle small aggregates on 32-bit targets.
8860         (function_arg): Pass small aggregates in general registers on 32-bit
8861         targets.
8862         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
8864 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
8866         * Makefile.in (final.o): Fix dependencies.
8868 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
8870         PR c/22013
8871         PR c/22098
8872         * langhooks.h (struct lang_hooks): Add expr_to_decl.
8873         * langhooks.c (lhd_expr_to_decl): New.
8874         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
8875         New.
8876         (LANG_HOOKS_INITIALIZER): Update.
8877         * tree.c (recompute_tree_invarant_for_addr_expr): Call
8878         expr_to_decl langhook.
8879         * c-tree.h (c_expr_to_decl): Declare.
8880         * c-typeck.c (c_expr_to_decl): New.
8881         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
8882         specially.
8883         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
8885 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
8887         PR c/22308
8888         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
8889         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
8891 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
8893         * Makefile.in: Adjust dependencies.
8894         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
8895         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
8896         * alias.c (rest_of_handle_cfg, pass_cfg): New.
8897         * bb-reorder.c (duplicate_computed_gotos): Make it static.
8898         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
8899         rest_of_compilation.
8901         * bb-reorder.c (gate_duplicate_computed_gotos,
8902         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
8903         rest_of_handle_reorder_blocks, pass_reorder_blocks,
8904         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
8905         pass_partition_blocks): New.
8906         * bt-load.c (gate_handle_branch_target_load_optimize,
8907         rest_of_handle_branch_target_load_optimize,
8908         pass_branch_target_load_optimize): New.
8909         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
8910         pass_jump2): New.
8911         * cfglayout.c (pass_insn_locators_initialize): New.
8912         * cfgrtl.c (pass_free_cfg): New.
8913         * combine.c (gate_handle_combine, rest_of_handle_combine,
8914         pass_combine): New.
8915         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
8916         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
8917         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
8918         * except.c (pass_set_nothrow_function_flags,
8919         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
8920         pass_rtl_eh): New.
8921         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
8922         rest_of_handle_shorten_branches, pass_shorten_branches,
8923         rest_of_clean_state, pass_clean_state): New.
8924         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
8925         rest_of_handle_remove_death_notes, pass_remove_death_notes,
8926         rest_of_handle_life, pass_life, rest_of_handle_flow2,
8927         pass_flow2): New.
8928         * function.c (pass_instantiate_virtual_regs, pass_init_function,
8929         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
8930         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8931         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
8932         pass_gcse): New.
8933         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
8934         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
8935         pass_rtl_ifcvt, gate_handle_if_after_combine,
8936         rest_of_handle_if_after_combine, pass_if_after_combine,
8937         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
8938         pass_if_after_reload): New.
8939         * integrate.c (pass_initial_value_sets): New.
8940         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
8941         pass_purge_lineno_notes): New.
8942         * mode-switching.c (rest_of_handle_mode_switching,
8943         pass_mode_switching): New.
8944         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
8945         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
8946         pass_loop2): New.
8947         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
8948         pass_loop_optimize): New.
8949         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
8950         pass_sms): New.
8951         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
8952         pass_gcse2): New.
8953         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
8954         pass_postreload_cse): New.
8955         * profile.c (gate_handle_profiling, pass_profiling,
8956         rest_of_handle_branch_prob, pass_branch_prob): New.
8957         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
8958         pass_split_before_regstack, gate_handle_split_before_regstack,
8959         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
8960         rest_of_handle_split_all_insns, pass_split_all_insns): New.
8961         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
8962         pass_stack_regs): New.
8963         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
8964         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
8965         pass_stack_adjustments): New.
8966         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
8967         pass_regrename): New.
8968         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
8969         pass_delay_slots, gate_handle_machine_reorg,
8970         rest_of_handle_machine_reorg, pass_machine_reorg): New.
8971         * rtl.h (extern void purge_line_number_notes): New.
8972         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
8973         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
8974         pass_sched2): New.
8975         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
8976         pass_tracer): New.
8977         * value-prof.c (gate_handle_value_profile_transformations,
8978         rest_of_handle_value_profile_transformations,
8979         pass_value_profile_transformations): New.
8980         * var-tracking.c (gate_handle_var_tracking,
8981         pass_variable_tracking): New.
8982         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
8984         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
8985         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8986         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8987         rest_of_handle_old_regalloc, rest_of_handle_regrename,
8988         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
8989         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
8990         rest_of_handle_gcse2, rest_of_handle_regmove,
8991         rest_of_handle_tracer, rest_of_handle_if_conversion,
8992         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
8993         rest_of_handle_web, rest_of_handle_branch_prob,
8994         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8995         rest_of_handle_jump_bypass, rest_of_handle_combine,
8996         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8997         rest_of_handle_gcse, rest_of_handle_loop_optimize,
8998         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
8999         rest_of_handle_mode_switching, rest_of_handle_jump,
9000         rest_of_handle_eh, rest_of_handle_stack_adjustments,
9001         rest_of_handle_flow2, rest_of_handle_jump2,
9002         rest_of_handle_peephole2, rest_of_handle_postreload,
9003         rest_of_handle_shorten_branches, rest_of_clean_state,
9004         rest_of_compilation): Remove.
9006         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9007         * passes.c (dump_flags, in_gimple_form, all_passes,
9008         all_ipa_passes, all_lowering_passes, register_one_dump_file,
9009         register_dump_files, next_pass_1, last_verified, execute_todo,
9010         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9011         from tree-optimize.c.
9012         (init_optimization_passes): Moved from tree-optimize.c,
9013         adding the RTL optimizations.
9014         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
9015         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
9016         all_ipa_passes, all_lowering_passes, register_one_dump_file,
9017         register_dump_files, next_pass_1, last_verified, execute_todo,
9018         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
9019         init_tree_optimization_passes, ipa_passes): Delete.
9020         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
9021         the RTL dumps.
9022         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
9023         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
9024         from tree.h.
9025         (ipa_passes): Remove.
9026         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
9027         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
9028         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
9029         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
9030         (dump_info_p, dump_flag): Moved to tree-dump.h.
9032         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
9033         cgraph.c, opts.c.
9034         * passes.c (finish_optimization_passes): Use dump_begin
9035         and dump_end, TDI_end.
9036         (gate_rest_of_compilation): New.
9037         (pass_rest_of_compilation): Use it.
9038         (gate_postreload, pass_postreload): New.
9039         * toplev.c (general_init): Rename init_tree_optimization_passes.
9040         * toplev.h (init_tree_optimization_passes): Rename to
9041         init_optimizations_passes.
9042         * tree-dump.c (dump_flag): Make static.
9043         (dump_files): Remove RTL dumps.
9044         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
9045         pass_cleanup_cfg, pass_free_cfg_annotations,
9046         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
9047         pass_init_datastructures, pass_fixup_cfg): Make non-static.
9048         * tree-pretty-print.c: Include tree-pass.h.
9049         * cgraph.c: Include tree-dump.h.
9051 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
9053         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
9054         Only fall back to saying it points to readonly memory if
9055         we can't do better.
9057 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
9059         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
9060         * config/m32r/m32r.c (m32r_compute_frame_size,
9061         m32r_expand_prologue): Take current_function_profile into
9062         account whenever we reference
9063         current_function_uses_pic_offset_table.
9064         (m32r_finalize_pic): Remove.
9065         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
9067 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
9069         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
9070         instead of $<.  Don't remove ./as if it already exists.
9072 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9074         PR target/21723
9075         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
9076         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
9077         for complex modes when generating code for PA 1.0.
9078         (VALID_FP_MODE_P): New macro.
9079         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
9080         sets for all general and floating point modes.  Align wide floating
9081         point modes to even register boundaries to comply with architectural
9082         requirements.
9083         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
9084         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
9085         (VALID_FP_MODE_P): New macro.
9086         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
9087         sets for all general and floating point modes.  Align wide floating
9088         point modes to even register boundaries to comply with architectural
9089         requirements.
9091 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
9093         * tree-dump.c (dump_files): Initialize dump number for .cgraph
9094         to 0.
9096 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
9098         * tree-ssa-structalias.c: Don't include expr.h.
9100 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
9102         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
9103         comments.
9105 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
9107         Fix PR tree-optimization/22279
9109         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
9110         correct operator.
9112 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
9114         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
9116 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
9118         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
9119         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
9120         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
9121         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
9122         config/stormy16/stormy16.c, config/v850/v850.c,
9123         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
9124         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
9125         Avoid "." or "\n" at end of diagnostics and capital letters at
9126         start of diagnostics.
9127         * combine.c, cse.c: Don't translate dump file output.
9128         * toplev.c (print_version): Only translate output if going to
9129         stderr.
9131 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
9133         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
9134         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
9135         typos.
9137 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9139         * pa.c (fix_range): Fix typo in comment.
9141 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
9143         * tree-vrp.c (extract_range_from_assert): Replace
9144         fold (build (...)) with fold_build2.
9146 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9148         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
9149         gcc_gfc_char_table, init_dynamic_gfc_info): New.
9150         (format_types_orig, handle_format_attribute): Add support for
9151         format "gcc_gfc".
9153 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9155         * varasm.c (assemble_variable): Fix format specifier thinko.
9157 2005-07-03  Ira Rosen  <irar@il.ibm.com>
9159         PR tree-optimization/22029 (and 22135)
9160         * tree-pretty-print.c (dump_generic_node): Check that the node is not
9161         a phi node before calling dump_vops.
9163 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9165         * tree-dump.h (dump_string_field): Declare.
9166         * tree-dump.c: Use it instead of dump_string.
9167         (dump_string_field): Make non-static.
9169 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
9171         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
9172         up the minimal CFG stuff always when optimize > 0.  Call
9173         split_all_insns_noflow in PIC case if needed.
9175 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9176             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
9178         PR c++/18279
9179         * c-decl.c (c_write_global_declarations): Dump contents of
9180         external scope to.
9181         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
9182         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
9183         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
9184         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
9185         is enabled.
9187 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
9189         * c-common.h (GCC_DIAG_STYLE): Define.
9190         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
9191         version for format checking to 4.1.
9192         * c-format.c: Include toplev.h after c-common.h.
9193         (enum format_type): Add gcc_tdiag_format_type.
9194         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
9195         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
9196         (format_types_orig): Add gcc_tdiag.
9197         (init_dynamic_diag_info): Support gcc_tdiag formats.
9198         (handle_format_attribute): Likewise.
9199         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
9200         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
9201         version for format checking to 4.1.
9202         (warning0, warning, error, pedwarn, sorry): Use
9203         ATTRIBUTE_GCC_DIAG.
9204         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
9205         (finish_aliases_1): Do not use %qE.
9206         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
9207         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
9208         Correct format bugs.
9209         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
9210         parameter to unsigned HOST_WIDE_INT.
9211         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
9213 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
9215         PR middle-end/21742
9216         * expr.c (write_complex_part): Use adjust_address for MEM.
9217         (read_complex_part): Same.
9219 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
9221         Fix PR tree-optimization/22280
9223         * tree-sra.c (generate_element_init): Remove useless loop.
9225 2005-07-02  Richard Henderson  <rth@redhat.com>
9227         * config/alpha/alpha.c (alpha_legitimize_address): Check for
9228         TLS_MODEL_NONE.
9229         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
9231 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
9233         PR middle-end/14490
9234         * fold-const.c (fold_binary): Handle the return value of
9235         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
9236         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
9238 2005-07-02  Jeff Law  <law@redhat.com>
9240         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
9241         a eliminate type conversion which feeds an equality comparison
9242         if the original type or either operand in the comparison is a
9243         function pointer.
9245 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
9247         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
9248         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
9249         texts.
9250         * config/avr/avr.c: Do not use '`' as left quote.
9251         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
9252         Remove "." from end of diagnostics.  Make diagnostics start with
9253         lowercase letter.
9255 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
9256             Joseph S. Myers  <joseph@codesourcery.com>
9258         * toplev.c (default_tree_printer): Handle setting location with
9259         '+' flag.
9260         * c-objc.common.c (c_tree_printer): Likewise.
9261         * c-format.c (gcc_diag_flag_specs): Add '+'.
9262         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
9263         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
9264         formats.
9265         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
9266         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
9267         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
9268         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
9269         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
9270         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
9271         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
9272         format arguments where %J is used without %D.
9274 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
9276         * gcc.c (LINK_SSP_SPEC): Define.
9277         (link_ssp_spec): New variable.
9278         (LINK_COMMAND_SPEC): Add %(link_ssp).
9279         (static_specs): Add link_ssp_spec.
9280         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
9281         * configure: Rebuilt.
9282         * config.in: Rebuilt.
9284         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9285         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9286         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9287         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9288         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
9289         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
9290         -0x7008(2) instead of reading __stack_chk_guard variable.
9291         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
9292         number.
9293         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
9294         (stack_protect_set, stack_protect_test): Use *_tls* patterns
9295         if TARGET_THREAD_SSP_OFFSET is defined.
9296         (stack_tls_protect_set_si, stack_tls_protect_set_di,
9297         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
9299         Revert:
9300         2005-06-27  Richard Henderson  <rth@redhat.com>
9301         * libgcc-std.ver (GCC_4.1.0): New.
9302         * libgcc.h (__stack_chk_guard): Declare.
9303         (__stack_chk_fail, __stack_chk_fail_local): Declare.
9304         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
9305         * mklibgcc.in (lib2funcs): Add them.
9307 2005-07-01  Richard Henderson  <rth@redhat.com>
9309         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
9310         void * before struct sigcontext *.
9311         (x86_fallback_frame_state): Likewise.
9313 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
9315         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
9317 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
9319         PR tree-opt/22269
9320         * tree-ssa-reassoc.c (should_transpose): Fix which operand
9321         we check for SSA_NAME for.
9323 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
9325         Fix PR tree-optimization/22071
9327         * tree-ssa-structalias.c (offset_overlaps_with_access): New
9328         function.
9329         (get_constraint_for_component_ref): Use it.
9331 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
9333         PR other/22264
9334         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
9335         print out the last new line.
9337 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
9339         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
9340         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
9341         * config/cris/cris.c (cris_conditional_register_usage): Adjust
9342         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
9343         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
9344         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
9345         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
9346         (enum reg_class): New member CC0_REGS.
9347         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
9348         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
9349         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
9350         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
9351         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
9352         Adjust for register now described.
9354 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
9356         PR target/22262
9357         * config/i386/i386.md (stack_protect_test_si,
9358         stack_protect_test_di): Add earlyclobber for scratch 3.
9359         * config/rs6000/rs6000.md (stack_protect_testsi,
9360         stack_protect_testdi): Add earlyclobber for scratch 3,
9361         remove earlyclobber from scratch 4.
9363 Older entries for 2005 can be found in ChangeLog-2005.