1 2005-11-22 Ben Elliston <bje@au.ibm.com>
3 * cse.c (fold_rtx): Typo fix.
4 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
6 2005-11-21 Richard Henderson <rth@redhat.com>
8 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
9 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
11 * c-tree.h (lookup_name): Move declaration ...
12 * c-common.h (lookup_name): ... here.
13 * config/darwin-c.c: Include c-common.h.
14 * config/t-darwin: Update dependencies.
16 2005-11-22 Ben Elliston <bje@au.ibm.com>
18 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
19 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
20 * genopinit.c (gen_insn): Likewise.
21 * reload.c (find_equiv_reg): Likewise.
22 * loop.c (load_mems): Likewise.
23 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
24 * cse.c (find_comparison_args, fold_rtx): Likewise.
25 * dwarf2out.c (add_const_value_attribute): Likewise.
26 * expr.c (convert_move): Likewise.
27 * recog.c (general_operand, register_operand): Likewise.
28 * reg-stack.c (replace_reg): Likewise.
29 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
30 * c-common.c (handle_vector_size_attribute): Likewise.
31 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
32 (simplify_binary_operation_1): Likewise.
33 (simplify_const_binary_operation): Likewise.
34 (simplify_relational_operation): Likewise.
35 (simplify_const_relational_operation): Likewise.
36 (simplify_immed_subreg): Likewise.
37 * emit-rtl.c (gen_lowpart_common): Likewise.
38 * expmed.c (expand_mult): Likewise.
39 * stor-layout.c (layout_type): Likewise.
41 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
44 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
45 cst2 only for SPE vectors.
47 2005-11-21 David Edelsohn <edelsohn@gnu.org>
50 * config/rs6000/predicates.md (vrsave_operation): Check
51 UNSPEC_VOLATILE value.
53 2005-11-21 Jan Hubicka <jh@suse.cz>
55 PR tree-optimization/24653
56 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
58 2005-11-21 Uros Bizjak <uros@kss-loka.si>
60 * config/i386/predicates.md (ax_reg_operand): New predicate.
61 (memory_displacement_only_operand): New predicate.
62 * config/i386/i386.md ("modrm" attribute): Return 0 if one
63 operand is AX register and the other operand is memory operand
64 with displacement only.
66 2005-11-21 Uros Bizjak <uros@kss-loka.si>
68 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
69 if we don't care about NaNs or Infinities.
71 2005-11-20 Ian Lance Taylor <ian@airs.com>
73 PR rtl-optimization/24883
74 * combine.c (combinable_i3pat): When checking whether the
75 destination of i3 is used in i3, consider paradoxical subregs.
77 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
80 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
82 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
84 * combine.c (try_combine): Do not run subst on i1src and i2src in
85 the case of generating a PARALLEL for a comparison.
87 2005-11-20 Richard Henderson <rth@redhat.com>
90 * tree-sra.c (struct sra_elt): Add all_no_warning.
91 (struct sra_walk_fns) <use>: Add use_all argument.
92 (sra_walk_expr): Pass it.
93 (sra_walk_modify_expr): Likewise.
94 (scalarize_ldst): Likewise.
95 (scan_use): Update for new argument.
96 (mark_no_warning): New.
97 (scalarize_use): Use it.
99 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
101 * expr.c (expand_expr_real): Use usmul_optab for widening
102 signed * unsigned multiplies.
103 * genopinit.c (optabs): Add usmul_widen_optab.
104 * optabs.c (init_optabs): Likewise.
105 * optabs.h (enum optab_index): Add OTI_usmul_widen.
106 (usmul_widen_optab): Define.
107 * config/bfin/bfin.md (usmulhisi3): New pattern.
109 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
111 2005-11-20 Graham Stott <btinternet.com>
113 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
115 2005-11-20 Andreas Schwab <schwab@suse.de>
118 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
121 2005-11-19 Richard Henderson <rth@redhat.com>
124 * tree-gimple.c (is_gimple_id): Export.
125 * tree-gimple.h (is_gimple_id): Declare.
126 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
127 (get_default_value): Use it.
128 (maybe_fold_stmt_indirect): Likewise.
130 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
132 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
133 than VR1 or vice-versa.
135 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
139 * reload.c (find_reloads_address_1): Mention dependency on
141 * reload1.c (gen_reload): For IN with an unary operation, try
142 moving inner expression to OUT if trivial SET is not valid.
143 Confirm that the result is valid. Move common code block into...
144 (emit_insn_if_valid_for_reload): New function.
146 2005-11-19 Richard Guenther <rguenther@suse.de>
148 * fold-const.c (fold_indirect_ref_1): Make sure we fold
149 ARRAY_REFs of constant strings.
151 2005-11-19 Jakub Jelinek <jakub@redhat.com>
153 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
156 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
158 * combine.c (make_compound_operation): Swap operands of
159 commutative operation if necessary before returning.
161 2005-11-19 Richard Guenther <rguenther@suse.de>
164 * fold-const.c (fold_plusminus_mult_expr): New function.
165 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
166 cases, remove now unnecessary code.
168 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
170 * gensupport.c (old_preds): Rename to std_preds, add special field.
171 (struct old_pred_table): Rename to struct std_pred_table, add special
173 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
174 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
175 (init_predicate_table): Adjust, and set along the way whether a
176 predicate is special.
178 2005-11-18 Mark Mitchell <mark@codesourcery.com>
180 * BASE-VER: Change to 4.2.0.
182 2005-11-18 James E Wilson <wilson@specifix.com>
184 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
187 2005-11-18 Mike Stump <mrs@apple.com>
189 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
190 * config/darwin-c.c (darwin_pragma_unused): Likewise.
191 * c-decl.c (lookup_name_two) Remove.
192 * c-tree.h (lookup_name_two): Remove.
193 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
194 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
195 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
196 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
198 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
201 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
202 when not generating code to use that co-processor.
204 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
206 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
207 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
208 these functions are now in tree-phinodes.c.
210 2005-11-18 Jie Zhang <jie.zhang@analog.com>
212 * config/bfin/bfin.md (trap): New pattern.
214 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
216 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
219 * expr.c (expand_expr_real): Don't call record_block_change unless
220 ib_boundaries_block is non-null
222 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
224 * fold-const.c (build_range_check): Use proper type for subtraction
225 when merging lower bound.
227 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
229 PR rtl-optimization/24497
230 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
233 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
235 * tree-scalar-evolution.c (expression_expensive_p): New function.
236 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
238 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
240 * config/bfin/crtlibid.s: New file.
242 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
245 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
246 when not using sjlj exceptions.
247 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
248 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
249 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
250 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
251 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
252 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
253 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
254 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
255 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
256 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
257 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
258 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
259 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
261 * config/pa/hpux-unwind.h: New file.
263 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
265 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
266 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
267 * varasm.c (do_assemble_alias): Adjust call.
268 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
270 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
272 2005-11-17 James E Wilson <wilson@specifix.com>
274 * tree.def (FUNCTION_DECL): Correct typo in comment.
276 2005-11-17 Richard Henderson <rth@redhat.com>
278 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
279 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
280 and DW_CFA_def_cfa_sf.
281 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
282 (dbx_reg_number): Don't assert particular registers here.
283 (based_loc_descr): ... do it here instead. Fold in ...
284 (eliminate_reg_to_offset): ... this function.
285 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
286 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
287 * unwind-dw2.c (execute_cfa_program): Apply data align factor
288 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
289 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
290 (instantiate_virtual_regs): Likewise.
291 * var-tracking.c (adjust_stack_reference): Likewise.
292 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
294 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
296 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
297 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
298 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
300 ($(T)crtlibid.o): New rule.
302 2005-11-16 Richard Guenther <rguenther@suse.de>
305 * fold-const.c (extract_array_ref): Return byte offset
307 (fold_binary): Fold &x[a] CMP &x[b] to
308 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
311 2005-11-16 Richard Henderson <rth@redhat.com>
314 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
315 parts of an SSA_NAME.
317 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
320 * arm.md (split for movsf with immediate): Restrict split to insns
321 that set a general register.
323 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
325 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
327 * unwind-dw2.c (uw_advance_context): Likewise.
328 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
329 _Unwind_SjLj_Unregister.
330 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
332 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
334 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
336 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
338 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
339 langhook to get a DImode integer type.
341 2005-11-16 Richard Henderson <rth@redhat.com>
342 J"orn Rennecke <joern.rennecke@st.com>
343 Ulrich Weigand <uweigand@de.ibm.com>
347 * reload1.c (reg_equiv_invariant): New.
348 (reload): Allocate, initialize, and free it.
349 (calculate_needs_all_insns): Check it when skipping equivalence
351 (alter_reg): Likewise.
352 (eliminate_regs_1): Rename from eliminate_regs. Add new
353 may_use_invariant argument; only use reg_equiv_invariant when true.
354 (eliminate_regs): New.
355 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
356 a context for which may_use_invariant may be true.
358 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
360 * fold-const.c (const_binop): Don't constant fold the operation
361 if the result has overflowed and flag_trapping_math.
362 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
364 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
366 * config/arm/unwind-arm.c (abort): Add prototype here.
367 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
368 (struct phase1_vrs): Add prev_sp.
369 (unwind_phase2_forced): Save the original core registers instead of
370 modifying entry_vrs. Take a new flag argument for resuming unwinding
371 and set action flags accordingly. Always set _US_END_OF_STACK when
372 get_eit_entry fails. Unwind before calling the stop function.
373 (_Unwind_GetCFA): New function.
374 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
375 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
376 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
377 just call unwind_phase2_forced.
378 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
379 * config/arm/unwind-arm.h (abort): Remove prototype.
380 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
382 (_Unwind_GetCFA): New prototype.
383 * config/arm/pr-support.c (abort): Add prototype here.
384 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
386 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
387 not schedule the prologue with non-call exceptions and EABI.
389 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
391 * config/arm/unwind-arm.h: Reorder interface function declarations.
392 (_URC_END_OF_STACK): New enumeration value.
393 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
394 (struct _Unwind_Control_Block): Document reserved field use.
395 (_Unwind_Stop_Fn): New typedef.
396 (_Unwind_ForcedUnwind): Declare.
397 (_Unwind_Resume_or_Rethrow): Declare.
398 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
400 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
401 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
402 (UCB_FORCED_STOP_ARG): New.
403 (search_EIT_table): Update boundary condition checks.
404 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
405 (unwind_phase2): Replace for with do..while.
406 (unwind_phase2_forced): New.
407 (__gnu_Unwind_RaiseException): Replace for with do..while.
408 (__gnu_Unwind_ForcedUnwind): New.
409 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
410 Use appropriate phase2 unwinder.
411 (__gnu_Unwind_Resume_or_Rethrow): New.
412 (__gnu_unwind_pr_common): Cope with forced unwinding.
414 2005-11-16 David Edelsohn <edelsohn@gnu.org>
417 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
419 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
420 roundsf2): Remove "s" from mnemonic.
422 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
424 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
426 * config/bfin/crtn.s: Change epilogues to match.
427 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
428 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
431 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
434 * doc/invoke.texi: Distinguish between free and fixed form instead of
435 Fortran and Fortran 90/95. Remove ratfor from the list of supported
437 * gcc.c (default_compilers): Remove double entries, add entries for
438 suffixes '.F90' and '.F95'.
440 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
442 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
443 in the stack probing loop.
445 2005-11-15 David Edelsohn <edelsohn@gnu.org>
447 * configure.ac: Use .machine power5 not power5x.
448 * configure: Regenerate.
450 2005-11-15 Mike Stump <mrs@apple.com>
452 * c-decl.c (lookup_name_two): Add.
453 * c-tree.h (lookup_name_two): Likewise.
454 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
455 * config/darwin-c.c (darwin_pragma_unused): Likewise.
457 2005-11-16 Alan Modra <amodra@bigpond.net.au>
459 PR rtl-optimization/23392
460 * regrename.c (enum scan_actions) Add mark_access.
461 (scan_actions_name): Ditto.
462 (scan_rtx_reg): Handle mark_access.
463 (scan_rtx_address): Do nothing for mark_access.
464 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
465 and regs in REG_INC notes before closing chains for dead regs.
466 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
467 opening chains for new writes.
469 2005-11-15 David Edelsohn <edelsohn@gnu.org>
471 * c.opt (ffixed-line-length-none): New.
473 2005-11-15 Steve Ellcey <sje@cup.hp.com>
475 * mklibgcc.in: Change contents of eh_dummy.c.
477 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
479 * loop.c (scan_loop): Do not insert temporaries for hard registers.
481 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
483 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
485 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
487 2005-11-15 Jan Hubicka <jh@suse.cz>
489 * invoke.texi (large-unit-insns): Document.
490 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
491 * params.def (large-unit-insns): New param.
493 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
496 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
497 special register for operand 3. Reindent constraints to align
500 2005-11-14 David Edelsohn <edelsohn@gnu.org>
502 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
503 -mpopcntb, -mfprnd. Add -mcpu=power5+.
504 * configure.ac: Add test for FP rounding instructions.
505 * configure: Regenerate.
506 * config.in: Regenerate.
507 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
508 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
510 * config/rs6000/rs6000.opt (mfprnd): New.
511 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
512 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
513 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
514 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
516 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
518 (btrunc<mode>2): New.
523 2005-11-14 Geoffrey Keating <geoffk@apple.com>
525 * gcc.c (version_compare_spec_function): Use fatal() rather than
528 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
529 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
530 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
532 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
535 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
536 on -mmacosx-version-min setting.
538 2005-11-14 Diego Novillo <dnovillo@redhat.com>
541 * tree-vrp.c (infer_value_range): Return false if STMT is a
542 block terminator and its basic block has no successors.
544 2005-11-14 Mike Stump <mrs@apple.com>
546 * config/i386/i386.c (override_options): -masm=intel isn't
548 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
550 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
552 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
553 vfork after including auto-host.h.
555 2005-11-15 Alan Modra <amodra@bigpond.net.au>
557 PR rtl-optimization/22002
558 * combine.c (distribute_notes): Detect cases where a reg dies
559 two or more times in a bb, including on the insn we are combining,
560 and place the death note on the correct range.
562 2005-11-14 Dale Johannesen <dalej@apple.com>
564 * expmed.c (store_bit_field): Add offset unconditionally for
566 (extract_bit_field): Don't force extzv or extv operand into
567 a register if field is too big.
569 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
571 * config/arm/arm.c (pic_labelno): New.
572 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
573 LABEL_REF. Pass only the labelno to PIC insns.
574 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
575 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
576 * arm.md (UNSPEC_PIC_LABEL): New constant.
577 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
578 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
579 Use the correct label prefix.
581 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
583 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
586 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
588 * loop-invariant.c: Include tm_p.h.
589 * Makefile.in: Updated.
591 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
593 * pa.c (store_reg): Revise generation of frame notes in large frames.
594 (set_reg_plus_d): Likewise.
596 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
598 PR tree-optimization/24709
599 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
602 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
604 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
605 and duplicate declaration of pthread_self.
607 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
608 Ian Lance Taylor <ian@airs.com>
611 * calls.c (expand_call): If TARGET is a MEM and some part of the
612 argument area has been saved, force TARGET to a register.
614 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
616 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
619 2005-11-13 Jason Merrill <jason@redhat.com>
622 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
623 lazily declared methods.
624 (force_decl_die): Stop if forcing out the context already make a
626 (force_type_die): Likewise.
628 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
631 * builtins.c (integer_valued_real_p): Add break in
632 REAL_CST having TREE_OVERFLOW set.
634 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
636 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
637 addressing modes during calculation of costs.
639 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
641 * function.c (assign_stack_local_1): Restrict sanity check
642 on frame size overflow to 32-bit and above platforms.
644 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
646 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
647 * config/cris/cris.c: Include reload.h.
648 (cris_initial_elimination_offset): New function.
649 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
652 2005-11-12 Richard Guenther <rguenther@suse.de>
654 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
656 2005-11-12 Jan Hubicka <jh@suse.cz>
658 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
659 to compare against 0 when possible.
661 2005-11-12 Jie Zhang <jie.zhang@analog.com>
663 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
664 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
665 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
666 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
669 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
671 * recog.c (constrain_operands) <case 'g'>: For a match, require
672 that a non-register matches general_operand when strict >= 0.
674 2005-11-11 Steven Bosscher <stevenb@suse.de>
676 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
679 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
681 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
682 (memory_address_same): New.
683 (dse_optimize_stmt): Call memory_address_same.
685 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
688 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
689 ZERO_EXTEND>: New cases.
691 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
693 * longlong.h (__clz_tab): Always provide.
695 2005-11-11 Steven Bosscher <stevenb@suse.de>
698 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
700 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
701 before check_maybe_invariant.
702 (move_invariant_reg): Use gen_move_insn instead of replacing
703 SET_DEST with the temporary for the invariant.
704 (move_loop_invariants): If checking is enabled, do internal
705 consistency checks after completing the pass.
707 2005-11-11 David Edelsohn <edelsohn@gnu.org>
710 * common.opt (Wvolatile-register-var): New.
711 * varasm.c (make_decl_rtl): Only emit warning when option
712 specified. Clarify warning message.
713 * doc/invoke.texi (Wvolatile-register-var): Document new option.
715 * doc/md.texi (copysign): Document standard named pattern.
717 2005-11-11 Jie Zhang <jie.zhang@analog.com>
719 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
720 bytes when align is 2.
721 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
722 by the first instruction of the loop.
724 2005-11-11 Jason Merrill <jason@redhat.com>
727 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
730 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
732 PR rtl-optimization/22509
733 * local-alloc.c (memref_used_between_p): Check whether a function call
734 could not reference the memref.
736 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
738 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
739 algorithm so as to choose the best, not the worst, alternative.
740 Reset accumulated register class before processing next alternative.
742 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
745 * calls.c (expand_call): Copy a return value to a plain register
748 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
751 * varasm.c (assemble_name): Recompute name only for transparent
754 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
756 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
758 2005-11-04 Jeff Law <law@redhat.com>
761 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
762 perform reassociation if the parent statement will not die as
763 a result of the optimization.
765 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
767 * tree-ssa-alias.c (compute_may_aliases): Remove call to
768 delete_old_heap_vars.
769 * tree-dfa.c (referenced_var_remove): Remove function.
770 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
771 (delete_tree_ssa): Remove call to delete_old_heapvars.
772 Add call to delete_alias_heapvars.
773 * tree-flow.h (referenced_var_remove): Remove prototype
774 (init_alias_heapvars): New prototype.
775 (delete_alias_heapvars): Ditto.
776 * Makefile.in (tree-ssa-structalias.o): Add
777 gt-tree-ssa-structalias.o
778 (GTFILES): Add tree-ssa-structalias.h and
779 tree-ssa-structalias.c.
780 (s-gtype): Add gt-tree-ssa-structalias.h.
781 * tree-ssa-structalias.c (heapvars): Remove.
782 (oldheapvars): Remove.
783 (heapvar_for_stmt): New variable.
784 (heapvar_lookup): New function.
785 (heapvar_insert): Ditto.
786 (get_constraint_for): See if we have an old heapvar
788 (init_alias_heapvars): New function.
789 (delete_alias_heapvars): Ditto.
790 Add include of gt-tree-ssa-structalias.h.
792 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
795 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
797 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
799 * tree.c (int_fits_type_p): Only look at the base type
800 if it has the same precision as the original type.
802 2005-11-10 Jakub Jelinek <jakub@redhat.com>
805 * varasm.c (assemble_alias): Use %q+D in the error
806 message instead of %J and %qD.
808 2005-11-10 Richard Guenther <rguenther@suse.de>
810 * gcse.c (free_ldst_entry): Only free hashtable if
813 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
815 * function.c (assign_stack_local_1): Issue an error message if
816 the frame size overflows in the signed target arithmetics.
818 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
820 * tree.c (build_qualified_type): Chain the new type to the original
821 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
822 a POINTER_TYPE or a REFERENCE_TYPE respectively.
823 (build_pointer_type_for_mode): Only return unqualified types.
824 (build_reference_type_for_mode): Likewise.
826 2005-11-09 Jakub Jelinek <jakub@redhat.com>
828 * Makefile.in (gnucompare): Do comparison of all files using one of
829 the chosen methods and only afterwards decide if just warning should
830 be issued or comparison failure raised.
832 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
834 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
835 (noce_try_abs): Negate if the comparison is reversed.
836 Look only one instruction backwards for a REG_EQUAL note.
838 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
841 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
842 gthr-tpf.h: Define __gthrw. For all identifiers that might
843 be weak, introduce weakrefs or non-weak aliases with __gthrw,
844 and prefix all uses with __ghtrw.
846 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
849 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
850 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
851 * c-common.c (handle_weakref_attribute): New.
852 (c_common_attribute_table): Add weakref.
853 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
855 * configure, config.in: Rebuilt.
856 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
857 * doc/extend.texi: Document weakref attribute.
858 * varasm.c (ultimate_transparent_alias_target): New
859 (assemble_name): Use it.
860 (weak_finish_1): Split out of...
861 (weak_finish): ... and deal with weakrefs in...
862 (weakref_targets): ... new list.
863 (globalize_decl): Clean up weakref_targets.
864 (do_assemble_alias): Handle weakrefs.
865 (finish_aliases_1): Do not reject weakrefs to external symbols.
866 (assemble_alias): Handle weakrefs.
868 2005-11-09 Richard Guenther <rguenther@suse.de>
870 PR tree-optimization/24716
871 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
872 t_bool to track results from follow_ssa_edge.
874 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
876 * final.c (force_source_line): New global variable.
877 (final_scan_insn): Set it to true instead of clearing last_filename.
878 (notice_source_line): Return true if force_source_line is true,
879 unless source info is absent.
881 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
884 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
885 a linkage name for a variable if it a register variable.
886 * c-decl.c (grokdeclarator): Global register variables
887 should be set as PUBLIC.
889 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
892 * config/s390/s390.c (struct s390_frame_layout): New fields
893 first_save_gpr_slot and last_save_gpr_slot.
894 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
895 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
896 first_save_gpr and last_save_gpr with the _slot variants.
897 (s390_register_info): Calculate first_save_gpr_slot and
898 last_save_gpr_slot using regs_ever_live.
900 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
903 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
904 for a function containing a landing pad.
906 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
909 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
912 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
914 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
915 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
917 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
920 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
922 (call,load,store): New insn types.
923 (mem_access, branch_access): Adjust reservation conditions.
924 (define_delay): Adjust condition.
925 (decrement_and_branch_until_zero): Allow for ms2. Set branch
927 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
928 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
930 (call_internal, call_value_internal, return_internal,
931 return_interrupt_internal, eh_return_internal, indirect_jump,
932 tablejump): Set call insn type.
933 (blockage, ei, di): Use appropriate unspec const.
934 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
935 (ms1_get_attr_type): Adjust to give load & store types.
936 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
937 backwards past a barrier.
938 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
940 (struct branch_info, struct label_info): New.
942 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
943 (ms1_machine_reorg): New.
944 (TARGET_MACHINE_DEPENDENT_REORG): Override.
945 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
946 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
947 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
950 2005-11-09 Per Bothner <per@bothner.com>
951 Uros Bizjak <uros@kss-loka.si>
954 * toplev.c (process_options): Initialize debug_hooks early
955 in case lang_hooks.post_options ends up calling a debug_hook.
957 2005-11-08 Jakub Jelinek <jakub@redhat.com>
959 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
960 DBX_REGISTER_NUMBER being contiguous.
962 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
963 Diego Novillo <dnovillo@redhat.com>
966 * tree-vrp.c (register_edge_assert_for): Do not register
967 always-false predicates.
969 2005-11-08 Devang Patel <dpatel@apple.com>
971 PR tree-optimization/23115
972 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
975 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
977 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
980 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
982 Fix PR tree-optimization/23382
984 * tree-ssa-alias.c (compute_may_aliases): Call
985 delete_old_heap_vars.
986 * tree-dfa.c (referenced_var_remove): New function.
987 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
988 * tree-flow.h (referenced_var_remove): Add prototype.
989 (delete_old_heap_vars): Ditto.
990 * tree-ssa-structalias.c (heapvars): New variable.
991 (oldheapvars): Ditto.
992 (get_constraint_for): Put heap vars on heapvars list.
993 (delete_old_heap_vars): New function.
995 2005-11-08 Jason Merrill <jason@redhat.com>
997 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
999 2005-11-08 Uros Bizjak <uros@kss-loka.si>
1002 * reg-stack.c (reg_to_stack): Update register liveness also
1003 for flag_sched2_use_traces.
1005 2005-11-08 Alan Modra <amodra@bigpond.net.au>
1008 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
1009 override prior explicit -mno-powerpc-gfxopt.
1011 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
1013 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
1014 if the bitsize is zero.
1015 * doc/md.texi (Standard Pattern Names): Document it.
1017 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
1018 (TARGET_PASS_BY_REFERENCE): Likewise.
1020 2005-11-07 Ian Lance Taylor <ian@airs.com>
1022 PR rtl-optimization/24683
1023 * config/i386/i386.c (legitimize_pic_address): If constant operand
1024 to PLUS is too large, put it in a register.
1026 2005-11-07 Jie Zhang <jie.zhang@analog.com>
1028 * configure.ac: Enable checking assembler dwarf2 support for bfin
1030 * configure: Regenerate.
1032 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1036 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
1037 gen_easy_vector_constant_add_self): Delete.
1038 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
1040 (output_vec_const_move): Use gen_easy_altivec_constant.
1041 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
1042 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
1043 (easy_vector_constant_add_self): Rewritten.
1044 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
1045 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
1046 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
1047 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
1048 Macroize and adjust for the other changes.
1050 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1054 * c-typeck.c (build_c_cast): Try using a shared constant, and see
1055 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1057 2005-11-07 Jakub Jelinek <jakub@redhat.com>
1059 PR rtl-optimization/23567
1060 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1061 (noce_process_if_block): Don't do any optimizations except
1062 if (cond) x = x; if !set_b and write into orig_x may trap
1063 or fault. Remove the MEM_READONLY_P check.
1065 2005-11-06 Diego Novillo <dnovillo@redhat.com>
1068 * tree-vrp.c (fix_equivalence_set): New.
1069 (extract_range_from_assert): Call it.
1071 2005-11-05 Ian Lance Taylor <ian@airs.com>
1074 * combine.c (apply_distributive_law): Don't distribute across a
1077 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
1079 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
1080 config/ms1/ms1.h, config/rs6000/predicates.md,
1081 config/s390/s390.c, params.def, postreload-gcse.c,
1082 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
1083 tree-vrp.c, tree.c: Fix comment typos.
1084 * doc/invoke.texi: Fix typos.
1086 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
1088 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
1089 for testing whether the data_dependence_relation contains distance
1090 vectors. Iterate over all distance vectors of the ddr.
1091 * lambda.h: Define a vec of lambda_vector pointers.
1092 * tree-data-ref.c (dump_data_dependence_relation,
1093 dump_data_dependence_direction): Iterate over all distance and
1094 direction vectors of the ddr.
1095 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
1097 (build_classic_dist_vector, build_classic_dir_vector): Push a set
1098 of distance/direction vectors instead of a single one.
1099 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
1100 lambda_vectors with a vec of lambda_vectors.
1101 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
1102 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
1103 DDR_NUM_DIST_VECTS): New.
1104 * tree-loop-linear.c (gather_interchange_stats): Test for the
1105 existence of distance vectors only after having checked that there
1106 is a dependence. Iterate over all distance vectors of the ddr.
1107 (linear_transform_loops): Use dump_data_dependence_relation.
1108 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
1109 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
1110 distance vectors of the ddr.
1112 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
1114 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
1115 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
1116 IS_INTHANDLER; all callers changed.
1117 (n_regs_saved_by_prologue): Take interrupt handler attributes into
1119 (do_link, do_unlink): New argument ALL; all callers changed.
1120 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
1121 If function isn't leaf, save and restore all registers.
1122 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
1125 2005-11-05 Jan Hubicka <jh@suse.cz>
1127 PR rtl-optimization/23490
1128 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
1129 max-flow-memory-location): Document.
1130 * flow.c: Include params.h
1131 (MAX_MEM_SET_LIST_LEN): Kill.
1132 (add_to_mem_set_list): Use new param.
1133 * cse.c (cse_basic_block): Replace 1000 by new param.
1134 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
1135 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
1136 * predict.c (predict_loops): Use new param.
1137 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
1139 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
1140 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
1141 Do not hold memory returned by cgraph_node_name across other call.
1143 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
1146 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
1149 2005-11-04 Jeff Law <law@redhat.com>
1152 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
1153 * tree-ssa-dom.c: Include params.h.
1154 (thread_across_edge): If there are too many statements in the
1155 target block, then do not thread through it.
1156 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
1157 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
1159 2005-11-03 Diego Novillo <dnovillo@redhat.com>
1162 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
1163 TODO_update_ssa instead of TODO_update_ssa_no_phi.
1165 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
1168 * tree-scalar-evolution.c (instantiate_parameters_1,
1169 instantiate_parameters, resolve_mixers): Compute the size of an
1170 expression to be instantiated and give up the instantiation if the
1171 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1173 2005-11-04 Richard Guenther <rguenther@suse.de>
1175 * tree-flow.h (ref_contains_indirect_ref): Rename to
1176 array_ref_contains_indirect_ref.
1177 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
1178 (array_ref_contains_indirect_ref): Make comment match the code
1180 (ref_contains_array_ref): Likewise.
1181 * tree-ssa-structalias.c (find_func_aliases): Remove call to
1182 ref_contains_indirect_ref.
1183 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1184 Rename calls to ref_contains_indirect_ref.
1186 2005-11-04 Paul Brook <paul@codesourcery.com>
1188 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
1189 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
1190 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1191 * config/arm/arm.md: Use match_operand in peephole input templates
1192 and match_dup in peephole output templates.
1194 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1196 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
1199 2005-11-04 Mark Mitchell <mark@codesourcery.com>
1200 Daniel Jacobowitz <dan@codesourcery.com>
1202 * longlong.h (add_ssaaaa): Clobber condition code register
1204 (sub_ddmmss): Likewise.
1205 (umul_ppmm): Likewise.
1207 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1208 Paul Brook <paul@codesourcery.com>
1209 Phil Blundell <pb@reciva.com>
1211 * configure.ac: Add test for ARM TLS support.
1212 * configure: Regenerated.
1213 * config/arm/arm-protos.h (legitimize_tls_address)
1214 (arm_tls_referenced_p, tls_mentioned_p)
1215 (arm_output_addr_const_extra): New prototypes.
1216 (thumb_legitimize_pic_address): Delete.
1217 * config/arm/arm.c: Include "gt-arm.h".
1218 (enum tls_reloc): New.
1219 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
1220 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
1221 (arm_call_tls_get_addr, legitimize_tls_address)
1222 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
1223 (arm_init_tls_builtins, arm_emit_tls_decoration)
1224 (arm_output_addr_const_extra): New functions.
1225 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
1226 (TARGET_HAVE_TLS): Define.
1227 (target_thread_pointer): New.
1228 (arm_override_options): Handle -mtp=.
1229 (legitimize_pic_address): Ignore UNSPECs.
1230 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
1232 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
1233 (tls_get_addr_libfunc): New variable.
1234 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
1235 (arm_init_builtins): Call arm_init_tls_builtins.
1236 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
1237 (arm_encode_section_info): Call default_encode_section_info.
1238 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
1239 (enum arm_tp_type): New.
1240 (target_thread_pointer): Add declaration.
1241 (LEGITIMATE_CONSTANT_P): Handle TLS.
1242 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
1243 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
1244 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
1245 * config/arm/arm.md: Add UNSPEC_TLS.
1246 (movsi): Handle TLS.
1247 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
1249 (tls_load_dot_plus_eight): New insn and a peephole to create it.
1250 (load_tp_hard, load_tp_soft): New insns.
1251 * arm.opt: Add -mtp=.
1252 * doc/invoke.texi (ARM Options): Document -mtp.
1254 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1256 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
1257 * config/arm/libunwind.S: Include "lib1funcs.asm".
1258 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
1259 (LIB2ADDEH): Add libunwind.S.
1260 (LIB2ADDEHDEP): Add lib1funcs.asm.
1261 * mklibgcc.in: Handle asm files in libgcc_eh.a.
1263 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1266 * gcc/c.opt: Add a -lang-fortran option.
1267 * gcc/c-opts.c: Add a lang_fortran flag.
1268 (c_common_init_options): Handling the -lang-fortran option.
1269 (c_common_handle_option): Add a case for Fortran options in
1270 preprocessing. Remove cases for -ffixed-form and
1271 -ffixed-line-length. Add a case for -lang-fortran.
1273 2005-11-03 David Edelsohn <edelsohn@gnu.org>
1275 * config/rs6000/rs6000.c: Include params.h
1276 (optimization_options): Set max-grow-copy-bb-insns default to 16.
1277 (bdesc_2arg): Delete vpkuhss and vpkuwss.
1278 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
1279 (UNSPEC_VPKUWSS): Delete.
1280 (altivec_vpkuhss): Delete.
1281 (altivec_vpkuwss): Delete.
1282 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
1284 (neg_eq0<mode>): Remove final condition.
1285 (neg_eq<mode>): Remove condition and split-condition.
1287 2005-11-04 Alan Modra <amodra@bigpond.net.au>
1289 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
1290 Use associated print macros.
1292 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
1295 * diagnostic.c (diagnostic_set_info_translated): New function.
1296 (diagnostic_set_info): Use it. Add comment.
1297 * diagnostic.h (diagnostic_set_info_translated): Declare.
1299 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
1301 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
1302 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
1303 reference only if 'public' is true.
1304 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
1305 emit the .hidden directive only if the indirect reference is public.
1306 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
1307 Pass it to dw2_force_const_mem.
1308 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
1309 * dwarf2out.c (output_cfi): Adjust calls to above function.
1310 (output_call_frame_info): Likewise.
1311 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
1312 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
1314 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
1316 PR tree-optimization/24483
1317 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
1318 field to elts if possible.
1320 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
1323 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
1326 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
1328 Fix PR tree-optimization/24351
1330 * tree-ssa-structalias.c (struct variable_info): Add
1332 (get_varinfo_fc): New function to follow collapsing.
1333 (new_var_info): Set collapsed_to to NULL.
1334 (dump_constraint): Follow collapsing.
1335 (build_constraint_graph): Handle collapsing.
1336 (do_simple_structure_copy): Return false if something bad
1338 (collapse_rest_of_var): New function.
1339 (do_structure_copy): Collapse if do_simple_structure_copy returns
1342 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
1345 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
1346 expressions to a statement list instead of gimplifying them.
1348 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1350 PR rtl-optimization/23585
1351 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
1352 that can't trap plus a constant integer, if the mode has zero size.
1354 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
1357 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
1359 ("*insv<mode>_reg_extimm"): Likewise.
1361 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
1364 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
1365 c_common_type_for_mode returns an unnamed type.
1367 2005-11-02 Richard Henderson <rth@redhat.com>
1371 * dwarf2out.c (dwarf2out_reg_save_reg): New.
1372 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
1373 * function.c (assign_parms): Use calls.internal_arg_pointer.
1374 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
1376 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
1377 (TARGET_CALLS): Add it.
1378 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
1379 * targhooks.c (default_internal_arg_pointer): New.
1380 * targhooks.h (default_internal_arg_pointer): Declare.
1381 * tree.h (dwarf2out_reg_save_reg): Declare.
1382 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
1383 * config/i386/i386.c (dbx_register_map): Add return column.
1384 (dbx64_register_map, svr4_dbx_register_map): Likewise.
1385 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
1386 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
1387 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
1388 (ix86_save_reg): Save force_align_arg_pointer.
1389 (ix86_emit_save_regs): Make regno unsigned.
1390 (ix86_emit_save_regs_using_mov): Likewise.
1391 (ix86_expand_prologue): Handle force_align_arg_pointer.
1392 (ix86_expand_epilogue): Likewise.
1393 * config/i386/i386.h: (dbx_register_map): Update.
1394 (dbx64_register_map, svr4_dbx_register_map): Update.
1395 (struct machine_function): Add force_align_arg_pointer.
1396 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
1397 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
1398 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
1400 2005-11-02 Jan Hubicka <jh@suse.cz>
1403 * i386.md: Add peep2 for simplyfing array accesses.
1405 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
1408 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
1409 * config/s390/s390.c (s390_decompose_shift_count): New function.
1410 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
1411 (print_shift_count_operand): Use s390_decompose_shift_count.
1412 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
1413 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
1415 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
1418 * loop.c (loop_givs_rescan): Use force_operand to expand
1421 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
1424 * fold-const.c (build_range_check): Use unsigned when signed
1425 overflow is undefined also. If etype is subtype, make sure that
1426 the subtraction is in the supertype.
1428 2005-11-02 Richard Henderson <rth@redhat.com>
1431 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
1434 2005-11-01 Richard Henderson <rth@redhat.com>
1437 * loop.c (scan_loop): Do not propagate computations to a hard
1438 register destination with SMALL_REGISTER_CLASSES.
1440 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
1442 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
1443 costs for MULT inside PLUS or MINUS.
1445 2005-11-01 Bob Wilson <bob.wilson@acm.org>
1447 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
1448 (TRAMPOLINE_SIZE): Round up to 60.
1449 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
1451 2005-10-31 James E. Wilson <wilson@specifix.com>
1454 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
1455 ifdef. Put ifdefs around call in gen_subprogram_die.
1456 (compute_frame_pointer_to_cfa_displacement): Likewise.
1457 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
1460 PR rtl-optimization/17356
1461 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
1462 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
1464 2005-10-31 Jan Hubicka <jh@suse.cz>
1467 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
1470 * i386.c (legitimize_pic_address): Deal with large immediates.
1473 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
1474 from symbol names while computing checkup.
1477 * predict.c (predict_loops): Do not estimate more than
1478 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
1479 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
1481 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
1483 PR tree-optimization/19097
1484 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
1486 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
1488 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
1490 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
1493 * tree-inline.c (setup_one_parameter): If the init_stmt
1494 is NULL, don't insert the statement.
1496 2005-10-30 Jan Hubicka <jh@suse.cz>
1498 PR tree-optimization/24172
1499 * tree-inline.c (copy_body_r): Unshare the substituted value first.
1501 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
1503 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
1504 constants for hosts with long != 32 bits.
1506 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
1509 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
1511 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
1513 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
1514 (TARGET_MS1_16_002): New.
1515 (TARGET_MS1_16_003): New.
1517 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
1518 ("*decrement_and_branch_until_zero_no_clobber"): New.
1519 Add corresponding splitter for decrement_and_branch_until_zero
1521 Key all decrement_and_branch_until_zero patterns off of
1524 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
1527 * tree-complex.c (extract_component): Treat RESULT_DECL
1528 like the rest of the decls.
1530 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
1532 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
1533 indirect call to _mcount if the function needs a static chain.
1535 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
1536 Caroline Tice <ctice@apple.com>
1538 PR rtl-optimization/24460
1539 * dwarf2out.c (have_switched_text_sections): New boolean variable.
1540 (dwarf2out_switch_text_section): Set it to true instead of
1541 incrementing separate_line_info_table_in_use.
1542 (output_loc_list): Additionally test have_switched_text_sections.
1543 (output_ranges): Likewise.
1544 (dwarf2out_finish): Likewise.
1545 * varasm.c (assemble_start_function): Do not call
1546 insert_section_boundary_note.
1547 (assemble_end_function): If flag_reorder_blocks_and_partition,
1548 switch to the function's section before emitting the .size directive.
1549 * bb-reorder.c (insert_section_boundary_note): Staticify.
1550 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
1551 * output.h (insert_section_boundary_note): Delete.
1553 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
1556 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
1557 instead of pointer equality when comparing types.
1559 2005-10-24 James E. Wilson <wilson@specifix.com>
1561 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
1562 add_dependence_list_and_free calls.
1564 2005-10-24 Steven Bosscher <stevenb@suse.de>
1566 * contrib.texi: Add the names of the LLNL folks who donated
1567 Cray pointer support for gfortran.
1569 2005-10-24 Steven Bosscher <stevenb@suse.de>
1571 PR tree-optimization/24225
1572 * profile.c (branch_prob): Look from end to start through a
1573 basic block when looking for a locus.
1575 2005-10-24 Richard Henderson <rth@redhat.com>
1577 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
1579 (hppa_expand_prologue): Likewise.
1581 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1583 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
1584 (NO_DEFERRED_PROFILE_COUNTERS): Define.
1585 * pa.h (NO_PROFILE_COUNTERS): Define.
1586 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
1587 (funcdef_nos): New vector to hold label numbers of deferred profile
1589 (output_deferred_profile_counters): New function.
1590 (hppa_profile_hook): Push label number onto funcdef_nos.
1591 (pa_hpux_file_end): Call output_deferred_profile_counters if
1592 NO_DEFERRED_PROFILE_COUNTERS is false.
1594 * pa-protos.h (get_deferred_plabel): New prototype.
1595 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
1597 (output_call): Adjust calls.
1599 2005-10-24 Alan Modra <amodra@bigpond.net.au>
1601 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
1602 peculiarity of GOT/TOC section usage.
1604 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
1607 * c-common.c (constant_string_class_name): Add documentation.
1609 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
1612 * recog.c (peephole2_optimize): Increment peep2_current_count
1613 only when the slot is empty.
1615 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1618 * except.c (output_function_exception_table): Call
1619 assemble_external_libcall if we need a personality function.
1621 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1623 PR rtl-optimization/24460
1624 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
1625 set the basic block for barriers.
1627 2005-10-21 Janis Johnson <janis187@us.ibm.com>
1629 * var-tracking.c (vt_initialize): Initialize post.
1631 2005-10-21 Devang Patel <dpatel@apple.com>
1634 * c-common.c (vector_types_convertible_p): Check vector element type.
1636 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
1638 * config/sh/sh.c (prepare_move_operands): Handle the address
1639 constant which is a tls symbolic address plus a constant.
1641 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
1644 * gcc.c (main): Use the correct counter for erroring out
1645 about mulitple files.
1647 2005-10-21 Alan Modra <amodra@bigpond.net.au>
1650 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
1651 use r2 for 64-bit tls .got access.
1653 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
1655 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
1658 2005-10-20 Steven Bosscher <stevenb@suse.de>
1660 PR tree-optimization/24307
1661 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
1663 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
1666 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
1668 * varasm.c (find_decl_and_mark_needed): After cgraph global info
1669 is ready, stop marking functions, but still mark variables.
1671 2005-10-20 Richard Guenther <rguenther@suse.de>
1674 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
1677 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1679 PR rtl-optimization/23585
1680 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
1681 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
1682 (may_trap_p_1): New predicate extracted from...
1683 (may_trap_p): ... here. Invoke may_trap_p_1.
1684 (may_trap_or_fault_p): New predicate.
1685 * rtl.h (may_trap_or_fault_p): Declare it.
1686 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
1687 instead of may_trap_p.
1688 (steal_delay_list_from_fallthrough): Likewise.
1689 (fill_simple_delay_slots): Likewise.
1690 (fill_slots_from_thread): Likewise.
1691 * function.c (pad_to_arg_alignment): Rework comment about
1692 SPARC_STACK_BOUNDARY_HACK.
1693 * config/sparc/sparc.h: Likewise.
1695 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
1697 * config/s390/s390.c (s390_expand_insv): New.
1698 * config/s390/s390-protos.h (s390_expand_insv): Declare.
1699 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
1700 ("icm_hi"): Remove mode attribute.
1701 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
1703 ("*extracthi", "*extractqi"): Remove.
1704 (extv<mode>", "*extzv<mode>"): New.
1705 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
1706 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
1708 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1710 * cfgexpand.c (discover_nonconstant_array_refs_r,
1711 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
1712 (tree_expand_cfg): Call discover_nonconstant_array_refs.
1713 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
1714 discover_nonconstant_array_refs.
1716 2005-10-19 Steven Bosscher <stevenb@suse.de>
1719 * c-decl.c (pop_scope): Don't warn about an unused variable
1720 if it is marked with TREE_NO_WARNING.
1721 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
1722 somenow mismatch and olddecl is to be replaced.
1724 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
1727 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
1728 whether registers live on the edge can be saved/restored.
1730 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
1732 * config/sh/sh.c (fixup_mova): Skip notes.
1734 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1736 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
1737 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
1738 (s390_can_eliminate): Handle BASE_REGNUM elimination.
1739 (s390_initial_elimination_offset): Likewise.
1740 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
1741 register on TARGET_ZARCH targets.
1742 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
1743 (INITIAL_FRAME_POINTER_OFFSET): Remove.
1744 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
1745 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
1747 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1749 * config/s390/s390.md: Comment describing output modifiers updated.
1750 * config/s390/s390.c (print_operand): Likewise.
1752 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1754 * config/s390/s390.c (override_options): Added check for -mstack-size
1756 * doc/invoke.texi: Mention that limit in the documenation.
1758 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
1761 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
1763 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
1765 Fix PR tree-optimization/24231
1767 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
1768 (compute_avail): Ditto.
1770 2005-10-18 Richard Henderson <rth@redhat.com>
1773 * config/i386/i386.c (legitimate_constant_p): Check
1774 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
1776 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
1777 (legitimate_pic_address_disp_p): Reorg CONST checking to make
1778 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
1780 (print_operand_address): Likewise.
1781 * config/i386/predicates.md (x86_64_immediate_operand): Test
1782 SYMBOL_REF_TLS_MODEL properly inside CONST.
1783 (x86_64_zext_immediate_operand): Likewise.
1784 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
1785 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
1786 * config/i386/i386-protos.h: Remove predicates.md entries.
1788 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
1790 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1791 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
1793 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
1794 Ian Lance Taylor <ian@airs.com>
1797 * fold-const.c (fold_widened_comparison): Do not allow range based
1798 constant folding when right operand cannot be unwidened.
1800 2005-10-17 Richard Henderson <rth@redhat.com>
1802 * builtins.c (expand_builtin_synchronize): Build a new-style asm
1803 with a memory clobber.
1805 2005-10-17 James E Wilson <wilson@specifix.com>
1807 PR rtl-optimization/17356
1808 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
1809 checking for EDGE_EH.
1811 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1813 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
1814 the slot on an even boundary for any type with 16-byte alignment.
1816 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
1819 * md.texi (Modifiers) <%>: Clarify that % doesn't work
1820 after register allocation.
1822 2005-10-17 DJ Delorie <dj@redhat.com>
1824 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
1827 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
1830 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
1833 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
1835 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
1836 to 2 if it's already non-zero.
1837 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
1838 is set and warn about it if flag_schedule_insns is 1.
1840 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
1842 * config/crx/crx.md: Compare-and-branch instructions need to
1845 2005-10-17 Uros Bizjak <uros@kss-loka.si>
1848 * config/i386/i386.md (*pushdi2_rex64 splitter)
1849 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
1850 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
1851 flow2 pass only when (optimize > 0 && flag_peephole2).
1853 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
1856 * gcc.c (have_c): New static variable.
1858 (process_command): Remove declation of have_c.
1859 Set have_o to 1 when handling -o.
1860 (main): Add a fatel error if there are multiple
1861 files specified and -o and -c/-S is passed witout
1862 -combine or multiple languages.
1864 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
1866 Fix PR tree-optimization/22444
1867 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
1868 Assert that we don't hit something with subvars.
1869 (setup_pointers_and_addressables): Don't add things with subvars,
1870 because we'll already process the subvars for aliasing purposes.
1872 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
1875 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
1876 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
1877 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
1878 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
1879 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
1880 swapped, alternatives for the R constraint.
1883 * builtins.c (get_builtin_sync_mode): Make unlimited
1884 mode_for_size request.
1886 2005-10-15 Richard Henderson <rth@redhat.com>
1888 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
1889 (gimplify_expr): ... here.
1890 (gimplify_compound_lval): Use it in initial scan loop. Allow
1891 fb_lvalue in base expression.
1893 2005-10-15 Richard Henderson <rth@redhat.com>
1896 * builtins.c (expand_builtin_trap): Export.
1897 * expr.h (expand_builtin_trap): Declare.
1898 * expr.c (expand_assignment): Emit a trap for integral offsets
1899 from registers that weren't reduced to bitpos.
1901 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
1902 (mark_array_ref_addressable): Remove.
1903 * tree-flow.h (mark_array_ref_addressable): Remove.
1904 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
1906 2005-10-15 James E Wilson <wilson@specifix.com>
1909 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
1910 (add_dependence_list_and_free): Likewise.
1911 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
1914 2005-10-15 Diego Novillo <dnovillo@redhat.com>
1918 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
1919 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
1921 (vrp_visit_phi_node): Only prevent infinite iterations when
1922 the previous result and the new result are both VR_RANGEs.
1924 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
1926 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
1929 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1932 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
1935 2005-10-14 Per Bothner <per@bothner.com>
1937 PR preprocessor/21250
1938 * c-ppoutput.c (print_line): Print internal line 0 as 1.
1940 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
1943 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
1944 overflow flags. Refactor some conditionals.
1946 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
1949 * tree-dfa.c (add_referenced_var): Only look at decls which
1950 have TREE_CONSTANT or TREE_READONLY set instead of if
1951 !TREE_PUBLIC or !TREE_CONSTANT.
1953 2005-10-13 James E Wilson <wilson@specifix.com>
1955 * doc/invoke.texi: For -x, add f95-cpp-input.
1956 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
1958 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
1960 PR tree-optimization/24262
1961 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
1962 in loop all the time.
1964 2005-10-12 Richard Henderson <rth@redhat.com>
1967 * tree.h (DECL_TRANSPARENT_UNION): Remove.
1968 * function.c (assign_parm_find_data_types): Don't support it.
1969 * print-tree.c (print_node): Likewise.
1970 * c-common.c (handle_transparent_union_attribute): Likewise.
1971 Use build_duplicate_type.
1972 * tree-inline.c (remap_type_1): Split out of remap_type;
1973 properly remap aggregate fields.
1974 (build_duplicate_type): New.
1975 * doc/extend.texi (Variable Attributes): Remove documentation
1976 for transparent_union.
1978 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1981 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
1982 (gen_stack_pointer_dec): Likewise.
1984 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
1988 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
1990 (struct cxx): Add adjust_class_at_definition target hook.
1991 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
1992 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
1993 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
1994 hook_void_tree. Add to TARGET_CXX.
1995 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
1997 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
1998 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
1999 instead of attribute. Check for dllexport override. Warn if
2000 inconsistent dll linkage. Don't lose old dllimport if decl has
2001 had address referenced. Tweak lookup of dllimport atribute.
2002 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
2003 for target specific rules. Don't add dllimport attribute if
2004 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
2005 dllimport attribute.
2006 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
2007 * varasm.c (initializer_constant_valid_p): Replace
2008 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
2012 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
2013 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
2014 (i[34567]86-*-mingw32*): Likewise.
2016 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
2017 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
2019 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
2020 C++-specific code. Change return value to bool.
2021 (i386_pe_dllimport_p): Likewise.
2022 (associated_type): Simplify and make language-independent
2023 (i386_pe_encode_section_info): Replace override of ambiguous
2024 dllimport symbol refs with a gcc_assert.
2025 (i386_pe_valid_dllimport_attribute_p): Define.
2026 * config/i386/winnt-cxx.c: New file. Define C++ versions of
2027 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2028 i386_pe_adjust_class_at_definition.
2029 * config/i386/winnt-stubs.c: New file. Define stub versions of
2030 lang-specific functions.
2031 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
2032 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2033 i386_pe_adjust_class_at_definition.
2034 (i386_pe_valid_dllimport_attribute_p): Declare.
2035 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
2036 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
2037 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
2040 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
2041 dllimport attribute with test of DECL_DLLIMPORT_P.
2043 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
2045 * combine.c (make_extraction): Correct offset computation.
2047 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
2049 * config/cris/t-linux (LIMITS_H_TEST): Define.
2051 2005-10-12 Richard Henderson <rth@redhat.com>
2054 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2056 2005-10-12 Richard Guenther <rguenther@suse.de>
2058 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2060 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
2063 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
2064 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
2067 2005-10-12 Richard Guenther <rguenther@suse.de>
2070 * varasm.c (output_constant): Correct typo from previous
2073 2005-10-11 Ian Lance Taylor <ian@airs.com>
2075 PR rtl-optimization/13931
2076 * combine.c: Revert patch of 2003-05-14, and:
2077 (try_combine): Only set elim_i1 and elim_i2 if the destination is
2078 completely killed in the appropriate insn.
2079 (distribute_notes): Don't skip multiple hard register test for
2080 elim_i1 and elim_i2.
2082 2005-10-11 Richard Henderson <rth@redhat.com>
2085 * c-typeck.c (convert_for_assignment): Use build_constructor_single
2086 to initialize a transparent union instead of a nop_expr.
2088 2005-10-11 Richard Henderson <rth@redhat.com>
2090 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
2091 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
2092 (tree_ssa_dce_loop): Call scev_reset.
2095 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
2096 * tree-ssa-dce.c: Include cfgloop.h.
2097 (tree_ssa_dce_loop, pass_dce_loop): New.
2098 * tree-pass.h (pass_dce_loop): Declare it.
2099 * passes.c (init_optimization_passes): Use it.
2101 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2104 * convert.c (convert_to_real): Revert 2005-10-05 patch.
2105 Only apply the optimization for rounding builtins if the inner
2106 cast is also an extension.
2108 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
2111 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
2112 mark_new_vars_to_rename instead of update_stmt.
2114 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
2116 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
2118 2005-10-11 Jakub Jelinek <jakub@redhat.com>
2120 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
2121 for setting MMX register to 0 rather than mmx.
2123 2005-10-10 Steve Ellcey <sje@cup.hp.com>
2126 * configure.ac: Move gas check from mips specific case to common case.
2127 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
2128 * configure: Regenerate
2129 * doc/install.texi: Update.
2131 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2134 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
2136 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
2138 * gcc.c (do_spec_1): Accept numeric characters in file name
2141 2005-10-10 Nick Clifton <nickc@redhat.com>
2143 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
2144 describing the deleted arm_gen_rotated_half_load function.
2146 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
2148 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
2151 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
2153 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
2155 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
2156 (EXTRA_MULTILIB_PARTS): Define.
2157 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2158 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2159 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
2160 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2161 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2162 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
2164 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
2166 PR tree-optimization/24226
2167 * tree-cfg.c (remove_bb): Clean up unreachable loops.
2168 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
2169 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
2172 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2174 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
2176 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
2179 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
2180 Rewrite for no need for the early clobber.
2182 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
2184 Merge from csl-arm-branch:
2185 2005-09-07 Paul Brook <paul@codesourcery.com>
2186 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
2189 2005-04-30 Paul Brook <paul@codesourcery.com>
2190 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
2191 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
2193 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
2194 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
2195 (arm_override_options): Use TARGET_AAPCS_BASED.
2196 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
2197 (PTRDIFF_TYPE): Use int for AAPCS.
2198 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
2199 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
2200 (DEFAULT_SHORT_ENUMS): Delete.
2201 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
2203 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
2204 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
2205 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
2206 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
2208 2004-12-03 Mark Mitchell <mark@codesourcery.com>
2209 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
2211 2004-11-22 Mark Mitchell <mark@codesourcery.com>
2212 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
2214 2004-11-19 Mark Mitchell <mark@codesourcery.com>
2215 * config.gcc (arm*-*-linux-gnueabi): Add it.
2216 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
2218 (TARGET_OS_CPP_BUILTINS): Likeiwse.
2219 * config/arm/linux-eabi.h: New file.
2220 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
2221 (LINUX_TARET_LINK_SPEC): Likewise.
2222 (LINK_SPEC): Use it.
2223 * config/arm/t-linux-eabi: New file.
2225 2005-10-08 Steven Bosscher <stevenb@suse.de>
2228 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
2230 (PARAM_SMS_DFA_HISTORY): Likewise.
2232 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
2235 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
2236 (load_register_parameters): Call it.
2237 (check_sibcall_argument_overlap_1): Likewise.
2238 (store_one_arg): Likewise.
2240 2005-10-07 James E. Wilson <wilson@specifix.com>
2242 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
2243 DImode not VECINT24 for operand 2.
2246 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
2250 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
2251 fr_spill): Use destination_operand for operand 0.
2253 2005-10-07 DJ Delorie <dj@redhat.com>
2255 * varasm.c (output_constant): Limit error to expanding
2258 2005-10-07 Richard Guenther <rguenther@suse.de>
2261 * fold-const.c (fold_binary): Fix operand types during folding
2262 of X op (A, Y). Evaluation order of the side-effects of
2263 X and A are frontend-defined, so ensure we honour that even for
2264 tcc_comparison class operands; eased by removing duplicate code.
2266 2005-10-07 Steve Ellcey <sje@cup.hp.com>
2268 * stor-layout.c (layout_type): Do not allow alignment of array
2269 elements to be greater than their size.
2271 2005-10-07 Steve Ellcey <sje@cup.hp.com>
2273 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
2275 (hppa*-*-linux*): Ditto.
2276 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
2277 * config/host-hpux.c: New.
2278 * config/x-hpux: New.
2279 * config/pa/x-hpux: Remove.
2280 * config/pa/x-linux: Remove.
2281 * config/pa/pa-host.c: Remove.
2283 2005-10-07 Jeff Law <law@redhat.com>
2285 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
2286 determine whether or not to try and thread outgoing edges.
2288 2005-10-07 David Edelsohn <edelsohn@gnu.org>
2290 * config/rs6000/rs6000.md (eqsi_power): New.
2291 (neg_eq0si): Add TARGET_POWER to final condition.
2294 2005-10-06 Richard Henderson <rth@redhat.com>
2296 * config/rs6000/rs6000.c: Revert last change.
2298 2005-10-06 Richard Henderson <rth@redhat.com>
2300 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
2301 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
2303 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
2307 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
2308 out return_label and naked_return_label.
2310 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
2312 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
2315 2005-10-06 Richard Henderson <rth@redhat.com>
2318 * tree-inline.c (declare_return_variable): Handle modify_dest not
2321 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
2323 Fix PR tree-optimization/22488
2324 * tree-ssa-structalias.c (check_for_overlaps): New function.
2325 (create_variable_info_for): Use it.
2327 2005-10-06 Richard Henderson <rth@redhat.com>
2330 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
2331 (dwarf2out_start_source_file): Print it.
2333 2005-10-06 Geoffrey Keating <geoffk@apple.com>
2335 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
2337 2005-10-06 Richard Henderson <rth@redhat.com>
2340 * mode-switching.c (optimize_mode_switching): Clear transp bit
2341 for block with incomming abnormal edges.
2343 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
2344 (fpscr_set_from_mem): Use them.
2345 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
2346 (fpscr postinc splitters): Rewrite as peephole2+split.
2348 2005-10-06 David Edelsohn <edelsohn@gnu.org>
2350 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
2351 (eq<mode>_compare): Same.
2353 2005-10-06 Richard Guenther <rguenther@suse.de>
2355 PR tree-optimization/24238
2356 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
2358 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
2360 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
2361 here. Use AC_PATH_PROG for environment variables instead of
2363 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
2365 * configure: Regenerated.
2367 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
2370 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
2371 then force it into a register.
2372 (call_value): Likewise.
2374 2005-10-06 Richard Henderson <rth@redhat.com>
2377 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
2378 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
2379 under pass_vectorize.
2381 2005-10-05 Devang Patel <dpatel@apple.com>
2384 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
2385 handling constants. Check NAMESPACE_DECL context for constants.
2387 2005-10-05 Eric Christopher <echristo@apple.com>
2389 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
2391 2005-10-05 Richard Henderson <rth@redhat.com>
2394 * tree-cfg.c (mark_array_ref_addressable_1): New.
2395 (mark_array_ref_addressable): New.
2396 * tree-flow.h (mark_array_ref_addressable): Declare.
2397 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
2399 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
2403 * reload.c (subst_reloads): When adding a REG_LABEL to a
2404 jump instruction, also update JUMP_LABEL.
2406 2005-10-05 David Edelsohn <edelsohn@gnu.org>
2408 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
2409 * bb-reorder.c (copy_bb_p): Use it.
2410 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
2412 2005-10-05 Richard Henderson <rth@redhat.com>
2415 * toplev.c (process_options): Warn about unsupported combinations
2416 of unwind tables and omit-frame-pointer.
2417 * config/i386/i386.c (override_options): Similarly. Enable
2418 accumulate-outgoing-args if not explicitly disabled.
2420 2005-10-05 Steve Ellcey <sje@cup.hp.com>
2422 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
2423 Handle big endian vs. small endian.
2424 (vec_initv2sf): Handle big endian vs. small endian.
2425 (*vec_extractv2sf_1): Ditto.
2427 2005-10-05 Dale Johannesen <dalej@apple.com>
2429 * convert.c (convert_to_real): Don't convert
2430 (float)floor(double d) to floorf((float)d).
2432 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
2434 * config/arm/arm.md (insv): Use gen_int_mode in more places.
2436 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
2438 PR tree-optimization/18587
2439 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
2440 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
2441 build_vuses): Change to VEC type.
2442 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
2443 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
2444 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
2445 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
2446 (get_name_decl): New. Return DECL_UID of base variable.
2447 (operand_build_cmp): New. qsort comparison routine.
2448 (operand_build_sort_virtual): New. Sort virtual build vector.
2449 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
2450 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
2451 (FINALIZE_BASE): Use get_name_decl.
2452 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
2453 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
2454 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
2455 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
2456 direct VEC_* manipulations.
2457 (build_ssa_operands): Call operand_build_sort_virtual.
2458 (copy_virtual_operand, create_ssa_artficial_load_stmt,
2459 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
2460 with direct VEC_* manipulations.
2461 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
2462 with direct VEC manipulations.
2464 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
2466 PR tree-optimization/21419
2467 PR tree-optimization/24146
2468 PR tree-optimization/24151
2470 * c-typeck.c (readonly_error): Handle USE being lv_asm.
2471 (build_asm_expr): Call it if outputs are read-only.
2472 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
2474 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
2475 Paolo Bonzini <bonzini@gnu.org>
2479 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
2480 enable the instructions and not just the built-ins.
2481 * doc/invoke.texi (x86 Options): Likewise.
2483 2005-10-04 Geoffrey Keating <geoffk@apple.com>
2485 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
2487 * doc/invoke.texi (Option Summary): Correct spelling
2488 of -mmacosx-version-min.
2490 2005-10-04 Devang Patel <dpatel@apple.com>
2492 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
2495 2005-10-04 Steve Ellcey <sje@cup.hp.com>
2497 * tree-vect-transform.c (vect_create_epilog_for_reduction):
2498 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
2500 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
2502 * config/s390/s390.md ("TDSI","DP"): New mode macros.
2503 ("TE","tg"): New mode attributes.
2504 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
2505 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
2506 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
2507 dword_mode and one for GPRmode.
2509 2005-10-04 Ian Lance Taylor <ian@airs.com>
2511 PR preprocessor/13726
2512 * c-ppoutput.c (cb_include): Add comments parameter, and print out
2513 any comments passed in.
2515 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2517 * tree.c (annotate_with_file_line): Fix typo.
2519 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2522 * builtins.c (fold_builtin_memcmp): When constructing the pointer
2523 type used to access data in the inlined length == 1 case, use
2524 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
2525 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
2527 2005-10-04 Uros Bizjak <uros@kss-loka.si>
2529 * config/i386/i386.h (TARGET_FISTTP): Enable also for
2530 TARGET_SSE3 and only for TARGET_80387.
2531 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
2532 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
2533 Do not depend on TARGET_80387.
2535 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2537 * tree.c (last_annotated_node): Change type to location_t*.
2538 (annotate_with_file_line): Reflect the change of
2539 last_annotated_node type.
2541 2005-10-04 Richard Guenther <rguenther@suse.de>
2544 * c-decl.c (grokdeclarator): Don't write to fields
2547 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2550 * c-decl.c (finish_decl): Use set_user_assembler_name even for
2552 * varasm.c (make_decl_rtl): If a register variable does not
2553 have a set user assmbler name, error out.
2554 Decode the asmspec is now name+1 bypassing '*'.
2556 2005-10-04 Steven Bosscher <stevenb@suse.de>
2558 PR tree-optimization/23049
2559 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
2560 of a COND_EXPR is folded before calling fold on the whole rhs of a
2561 conditional assignment.
2562 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
2563 document that a COND_EXPR may appear there.
2565 2005-10-03 Diego Novillo <dnovillo@redhat.com>
2568 * tree-vrp.c (extract_range_from_assert): If the new numeric
2569 range created out of the assertion contradicts the existing
2570 numeric range of the ASSERT_EXPR variable, make the new range
2573 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
2575 * config/sh/sh.c (sh_register_move_cost): Add case for moving
2576 from T_REGS to FP register class.
2578 2005-10-03 Richard Henderson <rth@redhat.com>
2581 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
2582 before creating a new one.
2584 2005-10-03 David Edelsohn <edelsohn@gnu.org>
2586 * config/rs6000/t-aix43 (LDFLAGS): New.
2587 * config/rs6000/t-aix52 (LDFLAGS): New.
2589 2005-10-03 Ian Lance Taylor <ian@airs.com>
2591 * gimplify.c (find_single_pointer_decl_1): New static function.
2592 (find_single_pointer_decl): New static function.
2593 (internal_get_tmp_var): For a formal variable, set restrict base
2594 information if appropriate.
2595 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
2597 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
2598 (DECL_GET_RESTRICT_BASE): Define.
2599 (SET_DECL_RESTRICT_BASE): Define.
2600 (decl_restrict_base_lookup): Declare.
2601 (decl_restrict_base_insert): Declare.
2602 (struct tree_decl_with_vis): Add based_on_restrict_p field.
2603 * tree.c (restrict_base_for_decl): New static variable.
2604 (init_ttree): Initialize restrict_base_for_decl.
2605 (copy_node_stat): Copy restrict base information.
2606 (decl_restrict_base_lookup): New function.
2607 (decl_restrict_base_insert): New function.
2608 (print_restrict_base_statistics): New static function.
2609 (dump_tree_statistics): Call print_restrict_base_statistics.
2611 2005-10-02 Diego Novillo <dnovillo@redhat.com>
2614 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
2615 case of anti-ranges.
2617 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
2620 * c-typeck.c (tagged_tu_seen): Rename to ...
2621 (tagged_tu_seen_cache): this and add val field.
2622 (comptypes): Move functional to comptypes_internal
2623 and free tagged_tu_seen.
2624 (comptypes_internal): New function and call comptypes_internal
2625 instead of comptypes. Speed up by sibcalling
2626 tagged_types_tu_compatible_p.
2627 (alloc_tagged_tu_seen): New function
2628 (free_all_tagged_tu_seen_up_to): New function.
2629 (tagged_types_tu_compatible_p): Return the val of the seen two
2631 Add that the two types are the same to tagged_tu_seen_base
2632 if they are and call comptypes_internal instead of comptypes.
2633 <case UNION_TYPE>: Speed up common type where the fields are
2635 (function_types_compatible_p): Call comptypes_internal instead of
2637 (type_lists_compatible_p): Likewise.
2638 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
2640 2005-10-02 Matthias Klose <doko@debian.org>
2642 * doc/invoke.texi: Fix typo and speling error.
2644 2005-10-01 Richard Henderson <rth@redhat.com>
2646 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
2648 2005-10-01 Mark Mitchell <mark@codesourcery.com>
2650 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
2651 using --start-group and --end-group.
2653 2005-10-01 Diego Novillo <dnovillo@redhat.com>
2655 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
2656 FIXME note regarding quirky semantics.
2658 2005-10-01 Diego Novillo <dnovillo@redhat.com>
2661 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
2662 non-null range as a last resort.
2664 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
2665 Diego Novillo <dnovillo@redhat.com>
2668 * tree-vrp.c (extract_range_from_assert): For !=
2669 assertions, only build an anti-range if LIMIT is a
2670 single-valued range.
2672 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
2674 * arm.md (movqi): On thumb when optimizing, handle loading from
2675 memory by describing this as taking a subreg of a zero-extended load
2676 into an SImode register.
2679 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
2681 * reload1.c (merge_assigned_reloads): Do not change any
2682 RELOAD_FOR_OUTPUT_ADDRESS reloads.
2684 2005-09-30 Geoffrey Keating <geoffk@apple.com>
2686 * Makefile.in (LIPO_FOR_TARGET): Define.
2687 (STRIP_FOR_TARGET): Define.
2689 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
2690 before creating new ones. Do symlinks before creating the actual
2693 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
2694 to work out which multilibs are actually being built.
2696 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
2698 * tree-vect-transform.c, config/ms1/ms1.md,
2699 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
2700 Follow spelling conventions.
2701 * doc/invoke.texi, doc/md.texi: Fix typos.
2703 2005-09-30 Andrew Macleod <amacleod@redat.com>
2705 PR tree-optimization/21430
2706 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
2707 use operands, and set stmt pointer if need be.
2708 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
2709 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
2712 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2715 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
2717 2005-09-29 Mark Mitchell <mark@codesourcery.com>
2719 * optabs.c (expand_binop): Initialize first_pass_p.
2721 2005-09-29 Jakub Jelinek <jakub@redhat.com>
2724 * c-decl.c (c_write_global_declarations_1): If any
2725 wrapup_global_declaration_2 call returned true, restart the loop.
2727 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
2729 Fix PR tree-optimization/24117
2730 * tree-ssa-structalias.c (find_func_aliases): Strip nops
2731 before considering whether to use anyoffset.
2733 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2737 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2739 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2741 (swap_commutative_operands_with_target): New.
2743 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2746 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
2749 2005-09-29 Steven Bosscher <stevenb@suse.de>
2751 PR tree-optimization/23911
2752 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
2753 and IMAGPART_EXPR too.
2755 2005-09-28 Mark Mitchell <mark@codesourcery.com>
2758 * expmed.c (expand_shift): Move logic to reverse rotation
2759 direction when rotating by constants ...
2760 * optabs.c (expand_binop): ... here.
2761 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
2762 (ix86_rotrdi3): New pattern.
2763 (rotldi3): Handle 32-bit mode.
2764 (ix86_rotldi3): New pattern.
2766 2005-09-29 Alan Modra <amodra@bigpond.net.au>
2769 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
2770 check for numbers that need no bit twiddle.
2772 2005-09-28 Geoffrey Keating <geoffk@apple.com>
2774 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
2775 multilib to be built.
2777 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
2778 (stage1-start): Delete old libgcc and libunwind before moving
2779 anything into the stage directory.
2780 (stage2-start): Likewise.
2781 (stage3-start): Likewise.
2782 (stage4-start): Likewise.
2783 (stageprofile-start): Likewise.
2784 (stagefeedback-start): Likewise.
2785 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
2786 header in tm_file and CPU-specific t-darwin in tmake_file.
2787 (i[34567]86-*-darwin*): Don't change tm_file.
2788 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
2789 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
2790 shared library stub for target OS version.
2791 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
2792 (SHLIB_LINK): Don't make SHLIB_SOLINK.
2793 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
2794 (libgcc_s.%.dylib): New.
2796 (install-darwin-libgcc-stubs): New.
2797 (INSTALL_LIBGCC): New append.
2798 * config/i386/darwin-libgcc.10.4.ver: New.
2799 * config/i386/darwin-libgcc.10.5.ver: New.
2800 * config/i386/t-darwin: New.
2801 * config/rs6000/darwin-libgcc.10.4.ver: New.
2802 * config/rs6000/darwin-libgcc.10.5.ver: New.
2803 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
2804 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
2806 2005-09-28 Paul Brook <paul@codesourcery.com>
2808 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
2811 2005-09-28 Richard Guenther <rguenther@suse.de>
2813 PR tree-optimization/23853
2814 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
2815 host_integerp to verify misalignment value.
2817 2005-09-28 Richard Henderson <rth@redhat.com>
2819 * builtins.c (get_builtin_sync_mode): New.
2820 (expand_builtin_sync_operation): Pass in mode argument.
2821 (expand_builtin_compare_and_swap): Likewise.
2822 (expand_builtin_lock_test_and_set): Likewise.
2823 (expand_builtin_lock_release): Likewise.
2824 (expand_builtin): Update to match.
2826 2005-09-28 Nick Clifton <nickc@redhat.com>
2828 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
2829 formatting. Add check to PLUS case to ensure that the offset is
2830 within an acceptable range.
2832 * config/v850/v850.md (casesi): Disable the generation of the
2833 switch pattern as it is not being handled properly at the moment.
2835 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
2836 for when the high words are identical.
2838 2005-09-27 Richard Henderson <rth@redhat.com>
2840 * pretty-print.c (pp_base_format): Fix typo for %>.
2842 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
2843 Devang Patel <dpatel@apple.com>
2845 PR tree-optimization/23625
2846 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
2847 LABEL_EXPR, assertion check.
2849 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
2851 * optabs.c (no_conflict_move_test): Check if a result of a
2852 to-be-moved insn would be clobbered by an originally
2855 2005-09-27 Jeff Law <law@redhat.com>
2857 * passes.c (init_optimization_passes): Replace copy propagation
2858 passes immediately after DOM with phi-only copy propagation
2859 pases. Add phi-only copy propagation pass after first DOM pass.
2860 * tree-pass.h (pass_phi_only_copy_prop): Declare.
2861 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
2862 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
2863 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
2864 to init_copy_prop. Callers updated.
2865 (do_phi_only_copy_prop): New function.
2866 (pass_phi_only_copy_prop): New pass descriptor.
2868 2005-09-27 Nick Clifton <nickc@redhat.com>
2870 * libgcc2.c (__popcount_tab): Remove redundant prototype.
2872 2005-09-26 Jason Merrill <jason@redhat.com>
2875 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
2877 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
2879 2005-09-26 James E Wilson <wilson@specifix.com>
2881 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
2882 copyright. Add gcc copyright plus libgcc exception.
2883 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
2885 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
2887 2005-09-26 Jeff Law <law@redhat.com>
2889 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
2890 about when to iterate.
2892 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
2895 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
2896 for __complex__ double in -mcpu=G5 mode.
2898 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
2900 PR tree-optimization/23942
2901 * Makefile.in (SCEV_H): Depends on PARAMS_H.
2902 * tree-scalar-evolution.c: Include params.h.
2904 (follow_ssa_edge, follow_ssa_edge_in_rhs,
2905 follow_ssa_edge_in_condition_phi_branch,
2906 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
2907 Change return type to t_bool. Use a parameter to limit the size of
2908 trees that are walked before stopping
2909 (analyze_evolution_in_loop): Initialize the limit to 0.
2910 (follow_ssa_edge): Give up by returning t_dont_know if the limit
2911 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2913 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2916 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
2917 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2919 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
2921 * combine.c (make_extraction): Check for valid use of subreg.
2923 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2926 * config/i386/i386.md ("*fistdi2_1"): New pattern.
2927 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
2928 ("fist<mode>2_with_temp"): Use only register operands.
2930 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
2932 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
2933 CALL_INSN_FUNCTION_USAGE.
2935 2005-09-26 Richard Guenther <rguenther@suse.de>
2938 * gcse.c: Include hashtab.h, define ldst entry hashtable.
2939 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
2940 (ldst_entry): Use the hashtable instead of list-walking.
2941 (find_rtx_in_ldst): Likewise.
2942 (free_ldst_entry): Free the hashtable.
2943 (compute_ld_motion_mems): Create the hashtable.
2944 (trim_ld_motion_mems): Remove entry from hashtable if
2945 removing it from list.
2946 (compute_store_table): Likewise^2.
2947 (store_motion): Free hashtable in case we did not see
2950 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
2952 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2953 and arg1 if we are passing them to fold_build2.
2955 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
2958 * config/i386/i386.c (ix86_function_regparm): Fix the test for
2961 2005-09-25 Richard Henderson <rth@redhat.com>
2963 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
2964 SYMBOL_REF_TLS_MODEL to be correct.
2966 2005-09-24 Richard Henderson <rth@redhat.com>
2968 * ipa-type-escape.c (discover_unique_type): Remove dead code at
2969 end of function. Reindent.
2971 2005-09-24 Ian Lance Taylor <ian@airs.com>
2973 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
2974 NEGATE_EXPR/BIT_NOT_EXPR case.
2976 2005-09-24 Richard Henderson <rth@redhat.com>
2978 * c-common.c (handle_mode_attribute): When not modifying in place,
2979 create subtypes for enumerations.
2980 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
2981 * gimplify.c (create_tmp_from_val): Likewise.
2983 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
2985 * config/i386/i386.md (*tls_global_dynamic_64,
2986 *tls_local_dynamic_base_64): Add missing mode to call.
2987 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
2989 2005-09-24 Jan Hubicka <jh@suse.cz>
2991 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
2992 (cgraph_clone_node): Likewise.
2993 * cgraph.h (cgraph_clone_edge): Update prototype.
2994 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
2995 duplicated prototypes; add updating argument.
2996 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
2997 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
2999 (cgraph_mark_inline_edge): Likewise.
3000 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
3001 (cgraph_flatten_node): Likewise.
3002 (cgraph_decide_recursive_inlining): Likewise.
3003 (cgraph_decide_inlining_of_small_function): Likewise.
3004 * tree-optimize.c (tree_rest_of_compilation): Likewise.
3006 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3007 Pete Steinmetz <steinmtz@us.ibm.com>
3009 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
3010 (rldic.): Set type to "compare".
3012 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
3013 mfjmpr for MFCTR/MFLR.
3014 (movdf_hardfloat64): Same.
3015 (movdf_softfloat64): Same. Correct order of store and move types.
3016 (movti_string): Set type to store_ux/load_ux.
3017 (load_multiple): Set type to load_ux.
3018 (store_multiple): Set type to store_ux.
3019 (movmemsi): Set type to store_ux.
3020 (output_cbranch direct_return): Set type to jmpreg.
3021 (stmw): Set type to store_ux.
3022 (lmw): Set type to load_ux.
3023 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
3024 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
3025 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
3026 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
3027 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
3028 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
3029 (rios1-fpstore): Increase latency to 3.
3030 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
3031 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
3033 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3034 Andrew Pinski <pinskia@physics.uc.edu>
3036 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
3037 operand2 constraint to "b".
3038 (sync_<fetchop_name>di_internal): Same.
3039 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
3041 (sync_old_<fetchop_name>di_internal): Same.
3042 (sync_new_<fetchop_name>si_internal): Same.
3043 (sync_new_<fetchop_name>di_internal): Same.
3045 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
3048 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
3049 case, define as macros.
3051 PR rtl-optimization/23837
3052 * optabs.c (no_conflict_move_test): Don't set must_stay for a
3053 clobber / clobber match between dest and p->first.
3055 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3056 (no_conflict_move_test): Update comments.
3058 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3060 * doc/install.texi: Update URL for Jacks.
3061 * doc/sourcebuild.texi: Likewise.
3063 2005-09-22 David Edelsohn <edelsohn@gnu.org>
3066 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
3067 registers when choosing register preferences.
3068 (movdf_hardfloat64): Same.
3070 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
3072 * expmed.c (expand_shift): Don't use the target of the rotate as
3073 target for the first expanded shift insn.
3074 * testsuite/gcc.dg/20050922-1.c: Testcase added.
3076 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
3078 PR tree-optimization/22438
3079 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
3080 preserved iv rhs rewriting specially.
3082 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
3084 * tree-data-ref.c (analyze_array_indexes): Only estimate when
3085 estimate_only is true.
3086 * tree-flow.h (ref_contains_indirect_ref): New prototype.
3087 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
3088 tree-ssa-structalias.c
3089 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
3090 ref_contains_indirect_ref.
3091 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
3093 2005-09-21 DJ Delorie <dj@redhat.com>
3095 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
3097 (mn10300_return_in_memory): Support variable size types also.
3098 (mn10300_pass_by_reference): Likewise.
3099 (mn10300_function_value): New.
3100 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
3101 (FUNCTION_OUTGOING_VALUE): Likewise.
3102 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
3103 * doc/invoke.texi: Document it.
3105 2005-09-21 Uros Bizjak <uros@kss-loka.si>
3108 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
3109 force integer op1 into register for XFmode compares.
3111 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3114 * expmed.c (alg_code): Add alg_impossible.
3115 (alg_hash_entry): Add cost.
3116 (synth_mult): Record alg_impossible in the hash table if
3117 multiplication by a given integer is impossble within the
3118 limit. Speed up using alg_impossible.
3120 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3122 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
3123 argument. Allow and set any offset if needs_anyoffset is passed
3125 (get_constraint_for): Add argument here too.
3127 (do_structure_copy): Pass NULL to get_constraint_for.
3128 (handle_ptr_arith): Ditto.
3129 (find_func_aliases): Ditto.
3131 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
3133 PR rtl-optimization/23898
3134 * output.h (get_attr_min_length): Declare.
3135 * final.c (get_attr_length_1): New function, broken out of:
3137 (get_attr_min_length): New function.
3138 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
3139 (duplicate_computed_gotos): Likewise.
3140 * genattr.c (insn_min_length): Generate declaration.
3141 * genattrtab.c (min_fn, min_attr_value): New functions.
3142 (make_length_attrs): Generate insn_min_length.
3144 2005-09-20 Steve Ellcey <sje@cup.hp.com>
3146 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
3148 2005-09-20 Richard Henderson <rth@redhat.com>
3150 PR tree-optimization/24059
3151 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
3154 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
3156 * c.opt (fextended-identifiers): New.
3157 * c-opts.c (c_common_handle_option): Handle
3158 -fextended-identifiers.
3159 * doc/cpp.texi: Update documentation of extended identifiers.
3160 * doc/cppopts.texi (-fextended-identifiers): Document.
3162 2005-09-20 Jakub Jelinek <jakub@redhat.com>
3164 PR tree-optimization/23929
3165 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
3168 PR tree-optimization/23818
3169 * tree-stdarg.c (execute_optimize_stdarg): Call
3170 calculate_dominance_info.
3172 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3174 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
3175 (analyze_siv_subscript_cst_affine): Add weak SIV test.
3176 (compute_overlap_steps_for_affine_1_2): Use
3177 get_number_of_iters_for_loop.
3178 (analyze_subscript_affine_affine): Check whether difference is
3180 Use get_number_of_iters_for_loop.
3181 Check whether overlap occurs outside of bounds.
3182 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
3184 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
3186 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
3187 base register if possible.
3189 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
3191 PR tree-optimization/18463
3192 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
3193 converting it directly is not possible.
3194 (chrec_convert_aggressive): New function.
3195 * tree-chrec.h (chrec_convert_aggressive): Declare.
3196 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
3197 Fold chrec conversions aggressively if asked to.
3198 (instantiate_parameters): Modified because of changes in
3199 instantiate_parameters_1.
3201 2005-09-19 Richard Henderson <rth@redhat.com>
3203 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
3204 (reduc_splus_v2df): New.
3206 2005-09-19 Richard Sandiford <richard@codesourcery.com>
3208 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
3209 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
3211 2005-09-19 Richard Henderson <rth@redhat.com>
3213 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
3216 2005-09-19 Richard Henderson <rth@redhat.com>
3218 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
3219 (ia64_expand_dot_prod_v8qi): New.
3220 * config/ia64/ia64-protos.h: Update.
3221 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
3222 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
3223 sdot_prodv8qi, sdot_prodv4hi): New.
3224 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
3226 2005-09-19 Richard Henderson <rth@redhat.com>
3229 * real.c (exact_real_truncate): Return false if the format cannot
3230 represent the number as a normal.
3232 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
3233 for a memory source.
3235 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
3237 * tree-ssa-operands.c (swap_tree_operands): Export.
3238 * tree.h (swap_tree_operands): Declare.
3239 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
3240 Call swap_tree_operands.
3242 2005-09-19 Richard Henderson <rth@redhat.com>
3244 * tree-flow.h (merge_alias_info): Declare.
3245 * tree-ssa-copy.c (merge_alias_info): Export.
3246 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
3247 (vect_create_data_ref_ptr): Use create_iv directly.
3248 (vectorizable_load): Use correct types for integer constants.
3249 (vect_generate_tmps_on_preheader): Likewise.
3250 (vect_gen_niters_for_prolog_loop): Likewise.
3252 2005-09-19 Steven Bosscher <stevenb@suse.de>
3254 PR rtl-optimization/23943
3255 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
3257 2005-09-18 Jan Hubicka <jh@suse.cz>
3259 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
3261 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
3263 * varasm.c (output_constant): Do not abort on conversions to union
3264 types between different sizes.
3266 2005-09-18 Richard Guenther <rguenther@suse.de>
3269 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
3272 2005-09-18 Paul Brook <paul@codesourcery.com>
3274 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
3276 2005-09-17 Richard Henderson <rth@redhat.com>
3278 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
3279 * tree-ssa-loop.c (pass_vect_dce): Remove.
3280 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
3283 2005-09-17 Richard Henderson <rth@redhat.com>
3285 * tree-pass.h (pass_vect_dce): Declare.
3286 * passes.c (init_optimization_passes): Add it.
3287 * tree-flow.h (tree_ssa_dce): Declare.
3288 * tree-ssa-dce.c (tree_ssa_dce): Export.
3289 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
3290 (gate_tree_vectorize): ... here.
3291 (pass_vect_dce): New.
3293 2005-09-17 Jan Hubicka <jh@suse.cz>
3295 * except.c (struct eh_status): Turn region_array into vec.
3296 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
3297 convert_from_eh_region_ranges, find_exception_handler_labels,
3298 current_function_has_exception_handlers, assign_filter_values,
3299 build_post_landing_pads, dw2_build_landing_pads,
3300 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
3301 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
3302 foreach_reachable_handler, can_throw_internal_1,
3303 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
3305 (duplicate_eh_region_1): Update region_array.
3306 (duplicate_eh_regions): Resize region_array and avoid recomputing.
3308 2005-09-17 David Edelsohn <edelsohn@gnu.org>
3311 * expmed.c (expand_mult): Substitute simple register for op0 when
3314 2005-09-17 Richard Henderson <rth@redhat.com>
3316 * expr.c (emit_move_via_integer): Add force argument, pass it on
3317 to emit_move_change_mode. Update callers.
3318 (emit_move_complex): Pass true to new force argument.
3319 * function.c (expand_function_end): Move expand_eh_return call
3320 earlier. Merge sub-word complex values into a pseudo before
3321 copying to the return hard register.
3323 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
3325 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
3326 between different sizes.
3328 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
3332 * passes.c (init_optimization_passes): Register dump files for
3335 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
3337 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
3338 * config/s390/s390.c (s390_overlap_p): New function.
3339 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
3340 peephole2, "*xc" peephole2): Added overlap check to the peephole2
3343 2005-09-16 Richard Guenther <rguenther@suse.de>
3345 * ipa-pure-const.c (static_execute): Free auxiliar information.
3346 * ipa-type-escape.c (discover_unique_type): Free temporary key.
3347 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
3349 2005-09-15 DJ Delorie <dj@redhat.com>
3351 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
3353 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3355 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3357 (swap_commutative_operands_with_target): New.
3359 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
3361 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
3364 (estimate_iters_using_array): New function.
3365 * tree-data-ref.h (estimate_iters_using_array): Prototype
3366 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3367 Use estimate_iters_using_array instead of analyze_array.
3369 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
3371 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
3374 2005-09-15 Michael Matz <matz@suse.de>
3376 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
3378 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
3380 PR tree-optimization/23835
3381 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
3382 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
3384 2005-09-14 Richard Henderson <rth@redhat.com>
3386 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
3387 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
3389 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
3391 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
3392 in the ARRAY_TYPE case.
3394 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
3396 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
3398 2005-09-14 Uros Bizjak <uros@kss-loka.si>
3401 * tree-vect-transform.c (vectorizable_operation): Return false for
3402 scalar shift operations and for vector shift operations with
3403 non-invariant shift arguments. Use scalar tree operand op1 as
3404 a shift operand when vector shift insn pattern uses scalar shift
3406 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
3408 2005-09-14 Olivier Hainque <hainque@adacore.com>
3410 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
3411 value if it has side-effects.
3413 2005-09-14 David Edelsohn <edelsohn@gnu.org>
3416 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
3418 2005-09-14 Alan Modra <amodra@bigpond.net.au>
3420 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
3421 passed as NAME as if it were label at start of function code.
3423 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
3425 * config/sh/sh.md (*movv4sf_i): Add general register cases to
3428 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3430 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
3431 as early clobber. Rewrite so the PIC register is not implicitly used.
3433 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3435 * tree.c (annotate_with_file_line): Compare line numbers before
3438 2005-09-13 Uros Bizjak <uros@kss-loka.si>
3441 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
3442 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
3444 2005-09-13 Ian Lance Taylor <ian@airs.com>
3446 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
3447 than a HOST_WIDEST_INT to gen_doloop_begin.
3449 2005-09-13 Diego Novillo <dnovillo@redhat.com>
3451 * tree-dfa.c (dump_variable): Guard against NULL annotations.
3453 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
3455 PR tree-optimize/23817
3456 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
3458 2005-09-13 Alan Modra <amodra@bigpond.net.au>
3461 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
3462 word before changing the stack pointer. Use gen_frame_mem for MEMs.
3463 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
3464 (restore_stack_nonlocal): Likewise.
3465 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
3467 2005-09-12 Ian Lance Taylor <ian@airs.com>
3470 * c.opt (ffriend-injection): New C++ option.
3471 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
3472 (C++ Dialect Options): Document -ffriend-injection.
3474 2005-09-12 Josh Conner <jconner@apple.com>
3477 * ipa-reference.c (static_execute): Don't mark variables in
3478 named sections TREE_READONLY.
3480 2005-09-12 Alan Modra <amodra@bigpond.net.au>
3482 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
3485 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3487 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
3488 V_MUST_DEF instead of just the first_use_p.
3489 Don't mark the virtual variables for renaming on the statement which
3491 (pass_dse): Remove TODO_update_ssa.
3493 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
3496 * stor-layout.c (compute_record_mode): For records with a single
3497 field, actually check the field's mode size against the type size.
3499 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
3500 registers for TARGET_SHMEDIA.
3501 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
3502 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
3503 of GENERAL_REGS and FP_REGS.
3505 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
3507 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
3509 2005-09-12 Alan Modra <amodra@bigpond.net.au>
3511 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
3512 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
3513 are omitted. Exclude stack_tie insn too.
3515 2005-09-11 David Edelsohn <edelsohn@gnu.org>
3517 PR rtl-optimization/23098
3518 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
3520 * config/rs6000/rs6000.md (movdf splitter): Use
3521 const_double_operand predicate for TARGET_POWERPC64.
3522 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
3523 SYMBOL_REF method to ABI_V4.
3525 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
3526 replace_equiv_address.
3527 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
3528 rs6000_sr_alias_set and MEM_NOTRAP.
3529 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
3531 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
3533 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
3534 handle CALL_EXPR again.
3536 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
3538 * arm/predicates.md (alignable_memory_operand): Delete.
3540 2005-09-10 Richard Henderson <rth@redhat.com>
3543 * dbxout.c (dbxout_expand_expr): New.
3544 (dbxout_symbol): Use it.
3546 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
3548 * arm.c (arm_gen_rotated_half_load): Delete.
3549 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
3550 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
3551 (thumb_set_return_address): Likewise.
3552 (thumb_load_double_from_address): Use adjust_address.
3553 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
3554 (extendhsisi2_mem, movhi_bytes): Use change_address.
3555 (movhi): Use widen_memory_access.
3556 (reload_out_df): Use replace_equiv_address.
3557 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
3559 2005-09-09 Richard Henderson <rth@redhat.com>
3562 * dbxout.c: Include expr.h.
3563 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
3564 (dbxout_symbol): Handle DECL_VALUE_EXPR.
3565 * Makefile.in (dbxout.o): Add EXPR_H.
3567 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
3569 PR tree-optimization/23509
3570 * tree-cfg.c (replace_uses_by): Use replace_exp.
3571 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
3572 pointers have name_mem_tag or type_mem_tag set.
3574 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
3576 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
3577 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
3578 of wrongly accessing operands.
3580 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
3582 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
3583 * tree-chrec.c: Include tree-scalar-evolution.h.
3584 (chrec_convert): Instantiate the base and step before calling
3585 scev_probably_wraps_p that would fail on parametric evolutions.
3586 Collect all the fails into a single section failed_to_convert,
3587 print a diagnostic, and return chrec_dont_know instead of calling
3589 * tree-scalar-evolution.c (loop_closed_phi_def): New.
3590 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
3592 (scev_const_prop): Don't replace the definition of a loop closed ssa
3593 phi node by itself, or by another loop closed ssa phi node.
3594 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
3595 that base and step are defined.
3597 2005-09-09 Richard Guenther <rguenther@suse.de>
3600 * fold-const.c (fold_ternary): Check truth_value_p before
3601 calling invert_truthvalue.
3603 2005-09-09 Nick Clifton <nickc@redhat.com>
3605 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
3606 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
3607 dimension of these arrays.
3608 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
3610 * longlong.h: Only provide a prototype for the __clz_tab[] array
3611 if this header has not been included from libgcc2.h.
3612 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
3614 Provide prototypes for exported functions.
3615 Use the __clz_tab[] and __popcount_tab[] arrays provided by
3618 2005-09-08 Josh Conner <jconner@apple.com>
3622 * expr.c (expand_expr_addr_expr_1): Don't invoke
3623 expand_simple_binop for EXPAND_INITIALIZER.
3625 2005-09-08 Richard Henderson <rth@redhat.com>
3628 * toplev.c (wrapup_global_declaration_1): Split out ...
3629 (wrapup_global_declaration_2): ... from ...
3630 (wrapup_global_declarations): ... here. Return bool.
3631 (check_global_declaration_1): Split out ...
3632 (check_global_declarations): from here.
3633 (emit_debug_global_declarations): New.
3634 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
3635 check_global_declaration_1, emit_debug_global_declarations): Declare.
3636 * c-decl.c (c_write_global_declarations_1): Don't create a vector
3637 of decls. Call wrapup_global_declaration_1,
3638 wrapup_global_declaration_2, check_global_declaration_1 directly.
3639 (c_write_global_declarations_2): New.
3641 (c_write_global_declarations): Call c_write_global_declarations_2.
3642 * langhooks.c (write_global_declarations): Call
3643 emit_debug_global_declarations.
3645 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
3646 remove decls that have DECL_RTL_SET_P.
3647 * passes.c (rest_of_decl_compilation): Invoke
3648 cgraph_varpool_finalize_decl for all but functions.
3650 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
3652 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
3653 the result of a conversion if the new min and max cannot be compared.
3655 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
3657 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
3658 (override_options): Setting s390_sr_alias_set removed.
3659 (save_fpr, save_gprs): Set alias set to vararg or frame.
3660 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
3661 s390_sr_alias_set with get_frame_alias_set ().
3662 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
3663 get_varargs_alias_set ().
3665 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
3669 * c-parser.c (c_parser_objc_method_definition): If the next
3670 token is not "{", error out and don't start the function.
3672 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
3674 * tree-vrp.c (extract_range_from_expr): Move the check for non
3675 nullness after the check for gimple invariant.
3677 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3679 * tree.c (host_integerp, tree_low_cst): Correct function comment.
3681 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3684 * config/m32r.md (movmemsi_internal): Canonicalize order of
3685 operands in PLUS component of template.
3687 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
3689 * reload1.c (fixup_eh_region_note): Remove assertion.
3690 (fixup_abnormal_edges): Reverted removal of call to
3691 find_many_sub_basic_blocks made on 2005-08-31.
3693 2005-09-07 Richard Henderson <rth@redhat.com>
3695 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
3696 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
3697 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
3698 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
3699 rearrange for better packing.
3700 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
3701 (lookup_cfa_1): Remove inline marker.
3702 (cfa_equal_p): Split out of ...
3703 (def_cfa_1): ... here. Use INVALID_REGNUM.
3704 (build_cfa_loc): Handle !cfa->indirect.
3705 (frame_pointer_cfa_offset): New.
3706 (dbx_reg_number): Assert register elimination performed; do
3707 leaf register remapping.
3708 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
3709 (eliminate_reg_to_offset): New.
3710 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
3711 for verifiably local stack frame addresses; re-base to CFA.
3712 (mem_loc_descriptor): Remove can_use_fbreg argument.
3713 (concat_loc_descriptor, loc_descriptor): Likewise.
3714 (containing_function_has_frame_base): Remove.
3715 (rtl_for_decl_location): Don't do register elimination or
3716 leaf register remapping here.
3717 (secname_for_decl): Split out from ..
3718 (add_location_or_const_value_attribute): ... here.
3719 (convert_cfa_to_loc_list): New.
3720 (compute_frame_pointer_to_cfa_displacement): New.
3721 (gen_subprogram_die): Use them.
3722 * tree.h (frame_base_decl): Remove.
3723 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
3724 (prologue_stack_adjust): Remove.
3725 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
3726 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
3727 (set_frame_base_location): Remove.
3728 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
3729 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
3730 (vt_add_function_parameters): Don't eliminate_regs.
3731 (vt_initialize): Don't create frame_base_decl.
3733 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3735 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
3736 version of GNU binutils for 4.x and later.
3738 2005-09-06 Mark Mitchell <mark@codesourcery.com>
3740 * ggc-page.c (ggc_push_context): Remove.
3741 (ggc_pop_context): Likewise.
3742 * ggc.h (ggc_push_context): Remove.
3743 (ggc_pop_context): Likewise.
3745 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3748 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
3749 returning from an interrupt handler.
3751 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3754 * config/arc/arc.c (output_shift): Add check for loop count when
3757 2005-09-06 Steven Bosscher <stevenb@suse.de>
3759 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
3761 (abs_replacement): Likewise.
3762 (pass_phiopt): Remove TODO_update_ssa.
3764 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3767 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
3768 if "return with no value, in function returning non-void" warning
3770 * tree-cfg.c (execute_warn_function_return): Don't look at
3771 RETURN_EXPRs with TREE_NO_WARNING set.
3774 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
3775 for internal functions doesn't use registers used by global registers
3776 variables. Use fewer register parameters if there are global register
3779 2005-09-06 Olivier Hainque <hainque@adacore.com>
3780 Eric Botcazou <ebotcazou@adacore.com>
3783 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
3784 when we would be extracting outside its bit span (bitpos+bitsize
3785 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
3786 Ada unchecked conversions.
3788 2005-09-06 Steven Bosscher <stevenb@suse.de>
3790 * tree-ssa-pre.c (try_look_through_load): New function.
3791 (compute_avail): Use it to try to look through loads for some
3792 more useful expressions.
3794 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3796 * simplify-rtx.c (simplify_binary_operation_1): Correct the
3797 condition for detecting cases like (a&a) and (a^a).
3799 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
3801 * common.opt: Add option ftree-vect-loop-version.
3802 * params.def: Add --param vect-max-version-checks.
3803 * doc/invoke.texi: Document ftree-vect-loop-version and
3804 --param vect-max-version-checks.
3805 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
3806 may_misalign_stmts and defines for accessors.
3807 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
3808 LOOP_VINFO_MAY_MISALIGN_STMTS.
3809 (destroy_loop_vec_info): VEC_free for
3810 LOOP_VINFO_MAY_MISALIGN_STMTS.
3811 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3812 Update documentation.
3813 (vect_update_misalignment_for_peel): New.
3814 (vect_enhance_data_refs_alignment): Update to choose loop
3815 peeling or loop versioning if appropriate for the (potentially)
3816 unaligned data references in the loop.
3817 (vect_analyze_data_refs_alignment): Remove call to
3818 vect_enhance_data_refs_alignment so the checks can be done
3820 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
3821 and move up call to vect_analyze_data_refs_alignment.
3822 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
3823 (vect_transform_loop): Add call to loop_version.
3825 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3827 PR rtl-optimization/23098
3828 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
3829 * simplify-rtx.c (constant_pool_reference_p): New function.
3830 * rtl.h (constant_pool_reference_p): New prototype.
3831 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
3832 constant_pool_reference_p in condition and
3833 avoid_constant_pool_reference in preparation statements.
3835 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
3837 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
3838 STRICT_LOW_PART SETs.
3840 2005-09-06 Alan Modra <amodra@bigpond.net.au>
3843 * except.c (sjlj_emit_function_enter): Find the function begin
3844 note even when it's not in first basic block.
3846 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
3848 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
3849 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
3850 * aclocal.m4: Regenerate.
3852 2005-09-05 DJ Delorie <dj@redhat.com>
3854 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
3857 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
3859 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
3860 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
3861 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
3862 Follow spelling conventions.
3863 * doc/invoke.texi: Follow spelling conventions.
3865 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3867 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
3868 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
3869 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
3871 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3874 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
3875 (output_stack_adjust): Use gen_tmp_stack_mem.
3876 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
3877 (sh_set_return_address, sh_allocate_initial_value): Likewise.
3878 (sh_get_pr_initial_val): Likewise.
3879 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
3880 (sh_initialize_trampoline): Likewise. Also use adjust_address.
3881 * sh.md (divsi_inv_m0): Use gen_const_mem.
3882 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
3883 (movdf_i4+1): Use gen_tmp_stack_mem.
3884 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
3885 (fpu_switch+2): Likewise.
3886 (movv4sf_i, movv16sf_i): Use adjust_address.
3887 (symGOT_load): Set MEM_NOTRAP_P bit.
3889 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3892 * pa.c (emit_move_sequence): Fix typo in last change.
3894 2005-09-03 Jakub Jelinek <jakub@redhat.com>
3896 PR rtl-optimization/23454
3897 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
3900 2005-09-03 Richard Henderson <rth@redhat.com>
3901 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3904 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
3907 2005-09-02 Nicolas Pitre <nico@cam.org>
3909 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
3910 to bit_count to 32 bits.
3912 2005-08-31 Mark Mitchell <mark@codesourcery.com>
3915 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
3916 generating synthetic loads from volatile lvalues.
3918 005-09-02 Nick Clifton <nickc@redhat.com>
3920 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
3921 __ctzhi2, __clzhi2): New functions.
3923 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
3926 * tree-nested.c (struct var_map_elt): Mark with GTY.
3927 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
3929 (lookup_field_for_decl): Allocate new element in GC memory.
3930 (lookup_tramp_for_decl): Likewise.
3931 (convert_nl_goto_reference): Likewise
3932 (create_nesting_tree): Allocate info in GC memory. Likewise for
3934 (free_nesting_tree): Free with ggc_free instead of free.
3935 (root): New static variable.
3936 (lower_nested_functions): Remove root as local variable. And zero out
3937 root at the end of the function.
3939 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
3941 PR rtl-optimization/20365
3942 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
3943 to short. New member ix.
3944 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
3945 (simplify_plus_minus): Initialize ix members before calling qsort.
3947 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
3949 PR tree-optimization/23626
3950 * tree-cfg.c (replace_uses_by): Clean up eh info.
3952 2005-09-01 DJ Delorie <dj@redhat.com>
3954 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
3957 2005-09-01 David Edelsohn <edelsohn@gnu.org>
3959 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
3960 (rs6000_split_multireg_move): Use replace_equiv_address instead of
3963 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
3965 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
3966 do not issue warning for a variable definition following
3969 2005-09-01 Richard Henderson <rth@redhat.com>
3972 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
3973 conversion to CONST_VECTOR.
3975 2005-09-01 Richard Henderson <rth@redhat.com>
3978 * reload1.c (reload_as_needed): Check !CALL_P before calling
3979 fixup_eh_region_note.
3980 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
3982 2005-09-01 DJ Delorie <dj@redhat.com>
3984 * varasm.c (output_constant): Let the target resolve
3985 conversions of addresses to non-default pointer sizes.
3987 2005-09-01 Nicolas Pitre <nico@cam.org>
3989 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
3990 to alow matching ARM pre-indexed addressing mode.
3991 (arm_override_options): Remove now irrelevant comment.
3993 2005-09-01 Phil Edwards <phil@codesourcery.com>
3995 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
3996 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
3997 * config/i386/vxworks.h: Likewise.
3998 * config/i386/t-vxworksae: New file, for VxWorks AE.
3999 * config/i386/vxworksae.h: Likewise.
4001 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
4003 PR tree-optimization/23410
4004 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
4005 sequence is not wrapping during the first step.
4007 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4010 * dwarf2out.c (base_type_die): Compare char_type_node with
4011 TYPE_MAIN_VARIANT (type), not type.
4013 2005-09-01 Richard Guenther <rguenther@suse.de>
4015 PR tree-optimization/15366
4016 * common.opt: Add -finline-functions-called-once.
4017 Put -fearly-inlining in alphabetically ordered place.
4018 * doc/invoke.texi: Document new option.
4019 * ipa-inline.c (cgraph_decide_inlining): Honour
4020 flag_inline_functions_called_once.
4022 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4024 PR rtl-optimization/23478
4025 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
4026 (alloc_qty): Initialize it.
4027 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
4028 (combine_regs): Combine also n_throwing_calls_crossed fields.
4029 (find_free_reg): Don't attempt to caller-save pseudos crossing
4030 calls that might throw.
4031 * global.c (struct allocno): Add throwing_calls_crossed field.
4032 (global_alloc): Revert 2005-08-22 change. Initialize
4033 throwing_calls_crossed.
4034 (find_reg): Don't attempt to caller-save pseudos crossing calls that
4037 2005-09-01 Alan Modra <amodra@bigpond.net.au>
4040 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
4041 (mask64_operand): Reinstate code prior to 2005-06-11 change.
4042 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
4043 (and64_2_operand): Tweak to use predicate.
4044 (and_operand): Adjust for mask_operand changes.
4045 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
4046 (print_operand): Likewise.
4047 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
4048 (mask64_1or2_operand): Delete.
4049 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
4050 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
4051 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4052 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4053 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4054 (rotldi3_internal4): Likewise.
4055 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4056 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4057 (ashldi3_internal7): Likewise.
4058 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4059 (ashldi3_internal, ashldi3_internal9 split): Likewise.
4060 (anddi3 split): Don't match mask64_operand.
4061 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
4062 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
4063 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
4064 't' splitter predicate.
4065 (movdi_internal64 + 2): Revert 2005-06-11 change.
4067 2005-08-31 DJ Delorie <dj@redhat.com>
4069 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
4070 (m32c_asm_integer): Add support for 32 bit pointers.
4072 2005-08-31 Richard Henderson <rth@redhat.com>
4074 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
4075 component-like references for setting MEM_NOTRAP_P.
4077 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
4078 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
4080 2005-08-31 Richard Henderson <rth@redhat.com>
4082 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
4083 into a pseudo before applying gen_lowpart.
4085 2005-08-31 Geoffrey Keating <geoffk@apple.com>
4087 * doc/install.texi (Specific): Update cctools version required
4088 for full functionality.
4089 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
4090 linkers as -macosx_version_min.
4092 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
4095 * sh.c (print_operand, %R and %S): Add handling of floating point
4096 registers, memory, constants and invalid operands.
4098 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
4100 * ipa-pure-const.c: Change dump name.
4102 2005-08-31 Uros Bizjak <uros@kss-loka.si>
4105 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
4106 to "reg_or_0_operand".
4107 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
4109 2005-08-31 Dale Johannesen <dalej@apple.com>
4111 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
4112 loops that count down.
4114 2005-08-31 Richard Henderson <rth@redhat.com>
4117 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
4118 (fixup_eh_region_note): New.
4119 (reload_as_needed): Call it.
4120 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
4121 don't call find_many_sub_basic_blocks; call verify_flow_info.
4122 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
4123 (keep_stack_depressed): Likewise.
4124 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
4126 2005-08-31 Richard Henderson <rth@redhat.com>
4128 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
4131 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
4133 * expr.c (expand_expr_real_1): Compare size of address
4134 mode to target's address mode size in deciding expansion of
4135 the constant address.
4137 2005-08-31 Richard Guenther <rguenther@suse.de>
4140 * expr.c (all_zeros_p): New function.
4141 (expand_expr_real_1): Handle the case of an all-zero
4142 non-addressable constructor separately.
4144 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
4146 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
4147 arguments, adjust all callers.
4148 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
4150 2005-08-30 Richard Henderson <rth@redhat.com>
4153 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
4154 whenever the mode sizes match.
4156 2005-08-31 Alan Modra <amodra@bigpond.net.au>
4158 * calls.c (load_register_parameters): Fix comment typo.
4159 * expr.c (emit_push_insn): Comment formatting.
4161 2005-08-30 Ian Lance Taylor <ian@airs.com>
4163 * config/i386/x-cygwin (host-cygwin): Change dependency from
4164 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
4166 2005-08-29 Geoffrey Keating <geoffk@apple.com>
4168 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
4171 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4174 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
4175 call to ggc_collect.
4177 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
4180 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
4181 beginning. Remove $(INCLUDES) from all the rules, if following
4182 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
4184 2005-08-29 Jakub Jelinek <jakub@redhat.com>
4187 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
4188 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
4189 not constant, but maxlen is, don't set len to maxlen, rather
4190 set maxlen to len if len is a constant.
4192 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
4194 PR tree-optimization/23475
4195 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
4198 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
4200 Fix PR middle-end/22455
4202 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
4203 Checksum only the parts of the tree that exist for the tree code.
4205 2005-08-28 Dale Johannesen <dalej@apple.com>
4207 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
4209 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
4211 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
4213 2005-08-28 Richard Henderson <rth@redhat.com>
4215 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
4216 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
4219 2005-08-28 Jakub Jelinek <jakub@redhat.com>
4222 * builtins.c (get_memory_rtx): Don't strip nops
4223 in between COMPONENT_REFs.
4225 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
4228 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
4230 (gimplify_modify_expr): Check for zero sized types and gimplify the
4231 rhs and lhs as statements.
4233 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
4236 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
4237 state for return address column of signal frames.
4239 2005-08-27 David Edelsohn <edelsohn@gnu.org>
4242 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
4243 bytes >= 2 not bytes == 2.
4244 (expand_block_move): Same.
4246 2005-08-27 Richard Guenther <rguenther@suse.de>
4249 * config/i386/sse.md (sse2_movsd): Add missing closing
4252 2005-08-27 Paul Brook <paul@codesourcery.com>
4254 * genrecog.c (enum decision_type): Add DT_num_insns.
4255 (struct decision_test): Add u.num_insns.
4256 (add_to_sequence): Add DT_num_insns test.
4257 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
4258 (write_cond, debug_decision_2): Ditto.
4259 (change_state): Assume peep2_next_insn never fails.
4260 Remove "afterward" argument.
4261 (write afterward, write_tree): Update to match.
4262 * recog.c (peep2_current_count): New variable.
4263 (peep2_next_insn): Check it.
4264 (peephole2_optimize): Set peep2_current_count.
4265 * recog.h (peep2_current_count): Declare.
4267 2005-08-26 Josh Conner <jconner@apple.com>
4270 * ipa-pure-const.c (check_tree): Check for volatile-ness
4271 when considering a dereference.
4273 2005-08-27 Jakub Jelinek <jakub@redhat.com>
4275 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
4277 2005-08-26 Jakub Jelinek <jakub@redhat.com>
4279 PR rtl-optimization/23561
4280 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
4281 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
4282 at most LEN bytes long memory fits into the field.
4283 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
4284 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
4285 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
4287 2005-08-26 Richard Henderson <rth@redhat.com>
4290 * loop.c (biased_biv_may_wrap_p): New.
4291 (maybe_eliminate_biv_1): Use it to suppress non-equality
4292 comparison transformations. Delete disabled code.
4294 2005-08-26 Ian Lance Taylor <ian@airs.com>
4296 * combine.c (make_extraction): Avoid reference outside object.
4298 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
4300 * stor-layout.c (finalize_type_size): Restore behaviour for
4301 non-aggregate types to the status quo ante of the patch for
4302 pr 23467. Document why it matters.
4304 2005-08-26 Jakub Jelinek <jakub@redhat.com>
4307 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
4308 array by one element, initialize the BT_LAST element with NULL.
4310 2005-08-26 David Edelsohn <edelsohn@gnu.org>
4312 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
4313 optimizing for size.
4315 (compare_plus_eqsi): Same.
4316 (plus_eqsi_compare): Same.
4317 (neg_eq0<mode>): Same.
4318 (neg_eq<mode>): Same.
4320 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
4323 2005-08-26 Nick Clifton <nickc@redhat.com>
4325 * config/v850/v850.c (ep_memory_operand): Return FALSE if
4326 TARGET_EP is not defined.
4327 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
4328 TARGET_EP is enabled.
4329 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
4330 * config/v850/v850.md (save_all_interrupt): Only use the EP
4331 register if TARGET_EP is defined.
4332 (restore_all_interrupt): Likewise.
4333 * config/v850/lib1funcs.asm: Update functions so that the EP
4334 register is only used if __EP__ is defined.
4336 2005-08-26 David Ung <davidu@mips.com>
4338 * config/mips/mips.c (mips_expand_prologue): Handle case when
4339 generating for MIPS16 and the outgoing argument area is more than
4340 SMALL_OPERAND. Use the frame pointer as temporary to generate the
4343 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
4345 * config/crx/crx.md: Make doloop_end pattern usage controllable
4346 via mloop-nesting=<max-nesting> command line switch. Make sure
4347 the combiner cannot use doloop_end_<mode> in an illegal way.
4348 * config/crx/crx.c: Use regs up to r6 for argument passing.
4349 Refine crx_address_cost (non cst4 displacements are expensive).
4350 * config/crx/crx.opt: Add switch for mloop-nesting=.
4352 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
4354 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
4355 (UNSPEC_MVST): New constant.
4357 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
4359 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
4360 Reject operands containing eliminable registers.
4361 * testsuite/gcc.dg/20050825-1.c: New testcase.
4363 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4364 Jan Hubicka <jh@suse.cz>
4366 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
4368 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4370 PR tree-optimization/23546
4371 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
4374 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
4376 * params.def (PARAM_MIN_SPEC_PROB): New.
4377 * sched-rgn.c (MIN_PROBABILITY): Delete.
4378 (compute_trg_info): Convert to PARAM_VALUE.
4379 * doc/invoke.texi (param): Document min-spec-prob.
4381 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
4383 * config/darwin.h: define __PIC__
4384 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
4385 TARGET_OS_CPP_BUILTINS macro.
4387 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4389 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
4392 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
4394 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
4396 * cfghooks.c (duplicate_block): Added position where to place
4397 new block as argument.
4398 * cfghooks.h (duplicate_block): Declaration changed.
4399 * cfglayout.c (copy_bbs): Add argument after. Pass it to
4401 * cfglayout.h (copy_bbs): Declaration changed.
4402 * cfgloop.h (loop_version): Declaration changed.
4403 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
4404 position to copy_bbs.
4405 (loop_version): Pass position to duplicate_loop_to_header_edge.
4406 Add place_after argument and position new blocks according to
4408 * modulo-sched.c (sms_schedule): Pass place_after argument
4410 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
4411 * tree-cfg.c (split_edge_bb_loc): New function.
4412 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
4413 to determine position of new blocks.
4414 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
4416 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
4417 argument to duplicate_block.
4418 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
4419 Pass position to copy_bbs.
4421 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
4423 * fold-const.c (ptr_difference_const): Use
4424 cst_and_fits_in_hwi instead of host_integerp.
4426 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4428 * config/darwin.c (gen_pic_offset): New.
4429 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
4432 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
4434 PR tree-optimization/23486
4435 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
4437 2005-08-23 Phil Edwards <phil@codesourcery.com>
4439 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
4440 remove use_collect2.
4441 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
4443 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
4444 configuration files to override the default value.
4446 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
4447 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
4448 * config/vx-common.h: New file, split out from...
4449 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
4450 * config/vxworksae.h: New file, for VxWorks AE.
4451 * config/vxworks.opt: New file.
4452 * config/vxlib.c: Update for VxWorks 6.
4454 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
4455 other MULTILIB_* variables appropriately.
4456 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
4457 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
4458 * config/rs6000/vxworks.h: Update for VxWorks 6.
4459 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
4461 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
4464 * config/darwin.c (machopic_select_section): Remove the hack to
4465 mark "::operator new" and "::operator delete" for coalescing
4466 even though they are not weak.
4468 2005-08-24 Alan Modra <amodra@bigpond.net.au>
4470 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
4471 * configure: Regenerate.
4473 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
4476 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
4478 * convert.c (convert_to_integer, convert_to_vector): Likewise.
4479 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
4482 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
4484 * config/rs6000/predicates.md (equality_operator): New.
4485 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
4486 comparison with a large constant.
4488 2005-08-23 Mark Mitchell <mark@codesourcery.com>
4490 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
4492 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
4494 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
4495 registers is even, and we have a hardware double precision fp,
4497 (sh_gimplify_va_arg_expr): For floating point arguments, consider
4498 size of current argument when checking if argument was passed in
4501 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
4504 * stor-layout.c (finalize_type_size): Dont override
4505 existing alignment with a smaller alignment from the mode.
4507 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
4509 * lambda-code.c (lambda_vector_lexico_pos): Moved...
4510 * lambda.h (lambda_vector_lexico_pos): ... here.
4511 * tree-data-ref.c (build_classic_dist_vector): Return false when
4512 the distance vector is lexicographically negative.
4514 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
4516 PR tree-optimization/23511
4517 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
4518 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
4520 2005-08-23 Jakub Jelinek <jakub@redhat.com>
4522 PR tree-optimization/22043
4523 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
4524 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
4525 If ALLOW_FLEXARR, handle types ending with flexible array member.
4526 Pass false as second argument to recursive count_type_elements calls.
4527 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
4528 argument to count_type_elements call.
4529 * tree-sra.c (decide_block_copy): Likewise.
4530 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
4531 for a constant-sized object, set cleared as well. Pass true as
4532 second argument to count_type_elements call.
4534 2005-08-23 Alan Modra <amodra@bigpond.net.au>
4537 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
4538 from legitimate_small_data_p, and make global. Update use.
4539 Remove forward declaration.
4540 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
4542 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
4544 2005-08-23 David Edelsohn <edelsohn@gnu.org>
4546 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
4547 of scratch intermediates.
4548 (eq<mode>_compare): Same.
4549 (neg_eq0<mode>): New.
4550 (neg_eq<mode>): Convert to define_insn_and_split.
4552 2005-08-23 Alan Modra <amodra@bigpond.net.au>
4555 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
4556 stdarg functions, set/clear the fp marker even when no variable
4558 * config/rs6000/sysv4.opt (mprototype): Describe.
4560 2005-08-22 Jakub Jelinek <jakub@redhat.com>
4562 PR rtl-optimization/23478
4563 * regs.h (reg_info): Add throw_calls_crossed.
4564 (REG_N_THROWING_CALLS_CROSSED): Define.
4565 * flow.c (allocate_reg_life_data): Initialize
4566 REG_N_THROWING_CALLS_CROSSED.
4567 (propagate_one_insn, attempt_auto_inc): Update
4568 REG_N_THROWING_CALLS_CROSSED.
4569 * global.c (global_alloc): Don't allocate pseudos across
4570 calls that may throw.
4572 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
4575 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
4576 value is inbetween the range if we did not find an exact match.
4578 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
4580 * doc/invoke.texi (Option Summary): Add ms1 options.
4581 * doc/extend.texi: Document interrupt handler attribute for ms1.
4582 * doc/md.texi: Document ms1 constraints.
4583 * config.gcc: Add ms1-*-elf.
4584 * config/ms1/ms1.h: New.
4585 * config/ms1/ms1.c: New.
4586 * config/ms1/ms1.md: New.
4587 * config/ms1/ms1-protos.h: New.
4588 * config/ms1/ABI.txt: New.
4589 * config/ms1/crti.asm: New.
4590 * config/ms1/crtn.asm: New.
4591 * config/ms1/lib2extra-funcs.c: New.
4592 * config/ms1/t-ms1: New.
4593 * config/ms1/ms1.opt: New.
4595 2005-08-22 Ira Rosen <irar@il.ibm.com>
4597 * config/rs6000/altivec.md (xorv4sf3): New.
4598 (negv4sf2, neg<mode>2): Likewise.
4600 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
4603 * config/ia64/ia64.md (divsi3): Check divide by zero.
4604 (udivsi3): Likewise.
4606 (udivdi3): Likewise.
4608 2005-08-21 Jakub Jelinek <jakub@redhat.com>
4610 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
4611 up to elem_bitsize bits, not max_bitsize.
4613 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
4615 PR tree-optimization/23433
4616 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
4617 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
4619 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
4621 PR tree-optimization/23434
4622 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
4623 the iteration bound is not an INTEGER_CST.
4625 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
4627 * tree-vect-transform.c (get_initial_def_for_reduction): Set
4628 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
4629 NULL if need_epilog_adjust is false.
4630 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
4631 Case 3 always peels first itration, not just for PLUS case, and no need
4632 to use scalar_initial_def here. Create an epilog adjustment only if
4633 scalar_initial_def is not NULL.
4635 (vectorizable_reduction): Remove assert.
4637 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
4640 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
4641 (__moddi3): Likewise.
4642 (__udivdi3): Likewise.
4643 (__umoddi3): Likewise.
4644 (__divsi3): Likewise.
4645 (__modsi3): Likewise.
4646 (__udivsi3): Likewise.
4647 (__umodsi3): Likewise.
4649 2005-08-20 Jakub Jelinek <jakub@redhat.com>
4651 * tree-pass.h (TDF_GRAPH): Define.
4652 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
4653 * passes.c (finish_optimization_passes): Only call
4654 finish_graph_dump_file if TDF_GRAPH is set.
4655 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
4656 NULL. Set TDF_GRAPH bit.
4657 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
4659 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
4661 * arm.h (arm_stack_offsets): Add locals_base field.
4662 * arm.c (arm_get_frame_offsets): Compute it.
4663 (thumb_compute_initial_elimination offset): Make the Thumb frame
4664 pointer point to the base of the local variables.
4665 (thumb_expand_prologue): Update accordingly.
4666 (thumb_expand_epilogue): Likewise.
4668 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
4669 mode of clobbered scratch to DImode. Handle a case that's known to
4672 2005-08-19 David Edelsohn <edelsohn@gnu.org>
4674 * config/rs6000/rs6000.md (gt0<mode>): Delete.
4675 (gt0<mode>_compare): Delete.
4676 (neg_gt0<mode>): Delete.
4678 2005-08-19 Eric Christopher <echristo@apple.com>
4680 * optabs.h: Change CTI_ to COI_.
4683 2005-08-19 James E Wilson <wilson@specifix.com>
4685 * builtins.c (expand_builtin_return_addr): Set
4686 current_function_accesses_prior_frames when count != 0. Use
4687 frame_pointer_rtx when count == 0.
4688 * function.h (struct function): Add accesses_prior_frames field.
4689 (current_function_accesses_prior_frames): Define.
4690 * reload1.c (init_elim_table): Check
4691 current_function_accesses_prior_frames.
4692 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
4694 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4696 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
4697 indicator. Return true if the flowgraph changed during
4700 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4703 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
4704 conditional expression before testing its value.
4706 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4708 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
4710 2005-08-19 Devang Patel <dpatel@apple.com>
4712 PR tree-optimization/23048
4713 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
4714 third parameter. Check whether latch is dominated by exit
4716 (if_convertible_loop_p): Supply exit block itself to
4717 if_convertible_bb_p.
4719 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
4722 * arm.md (arm_load_pic_register): Change argument to the mask of
4723 saved registers. Call thumb_find_work_register if we need a
4724 scratch register on Thumb.
4725 (arm_expand_prologue): Pass empty register set to
4726 arm_load_pic_register.
4727 (thumb_expand_prologue): Pass live_regs_mask directly to
4728 arm_load_pic_register.
4729 * arm-protos.h (arm_load_pic_register): Update prototype.
4731 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
4733 * sh.c (find_sole_member): New function.
4734 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
4735 if the record's alignment is larger than the size of its only member.
4737 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
4740 * arm.c (thumb_legitimize_reload_address): New function.
4741 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
4742 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
4744 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
4746 * config/crx/crx.c: Implement crx_decompose_address. Reject
4747 symbolic displacements since CRX register relative adressing
4748 mode can't handle unsigned 32-bit values as displacements.
4749 * config/crx/crx.h: Simplify definitions, remove redundant
4750 parenthesis and obsolete macros.
4751 * config/crx/crx.opt: Add new switch for debugging addresses.
4752 * config/crx/crx-protos.h: Add new declarations for above.
4754 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
4757 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
4760 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4762 * collect2.c (dup2): Delete.
4763 * configure.ac: Don't check for dup2.
4765 * config.in, configure: Regenerate.
4767 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
4769 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
4770 record with the type of its only member.
4772 2005-08-18 David Edelsohn <edelsohn@gnu.org>
4774 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
4775 define_insn_and_split.
4776 (plus_ltu<mode>_compare): Same.
4777 (gtu<mode>_compare): Same.
4778 (plus_gtu<mode>_compare): Same.
4780 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
4782 PR tree-optimization/22228
4783 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
4785 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
4786 are recorded in vect_vnames_to_rename for renaming.
4787 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
4788 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
4789 in vect_vnames_to_rename.
4790 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
4791 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
4793 2005-08-18 Jan Hubicka <jh@suse.cz>
4796 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
4797 info only for local statics, not for member variables.
4799 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4801 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
4803 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4805 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
4807 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
4810 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
4812 2005-08-17 James E Wilson <wilson@specifix.com>
4814 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4817 2005-08-17 David Edelsohn <edelsohn@gnu.org>
4819 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
4820 (leu<mode>_compare): Same.
4821 (plus_leu<mode>): Same.
4822 (neg_leu<mode>): Same.
4823 (and_neg_leu<mode): Same.
4824 (ltu<mode>_compare): Same.
4825 (plus_ltu<mode>): Same.
4827 (geu<mode>_compare): Same.
4828 (plus_geu<mode>): Same.
4829 (neg_geu<mode>): Same.
4830 (and_neg_geu<mode>): Same.
4831 (plus_gt<mode>): Same.
4832 (gtu<mode>_compare): Same.
4833 (plus_gtu<mode>): Same.
4835 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
4837 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
4838 Move call_table_data to end. Delete spurious .text.
4839 (callt_save_all_interrupt): Fix comment typo.
4841 2005-08-17 James E Wilson <wilson@specifix.com>
4842 Kevin Winchester <winchester@amirix.com>
4845 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
4847 2005-08-17 Uros Bizjak <uros@kss-loka.si>
4850 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
4851 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
4853 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
4855 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
4856 record with the type of its only member if the modes don't match.
4858 * varasm.c (decode_reg_name): Skip empty additional register names.
4860 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4862 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
4863 lsm_tmp_name_length): New.
4864 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
4865 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
4867 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4868 Andreas Krebbel <krebbel1@de.ibm.com>
4870 * config.gcc: Added z9-109 switch.
4871 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
4872 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
4873 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
4874 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4875 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
4876 for "z9_109" cpu attribute.
4877 * config/s390/s390.c (z9_109_cost): New processor cost structure.
4878 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
4879 (s390_handle_arch_option): Added z9-109 switch.
4880 (override_options): Set respective cost function for z9-109.
4881 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
4882 (legitimate_reload_constant_p): Accept extended immediates.
4883 (print_operand): Three new output modifiers added: k, m and o.
4884 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
4885 (s390_output_mi_thunk): Use extended immediate when possible.
4886 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
4887 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
4888 (CONSTRAINT_LEN): Added length of O constraint.
4889 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
4890 * config/s390/s390.md ("cpu"): New value z9_109 added.
4891 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
4892 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
4893 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
4894 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
4895 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
4896 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
4897 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
4898 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
4899 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
4900 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4901 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
4902 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
4903 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
4904 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
4905 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
4907 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
4908 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
4909 insns for TARGET_EXTIMM.
4911 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
4913 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
4915 2005-08-17 Nick Clifton <nickc@redhat.com>
4917 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
4918 Call default_encode_section_info.
4920 2005-08-17 Steven Bosscher <stevenb@suse.de>
4922 PR tree-optimization/21574
4923 * tree-ssa-ccp.c (likely_value): If the right hand side is a
4924 constant, return CONSTANT.
4925 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
4926 (ccp_fold, visit_assignment): Likewise.
4927 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
4929 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4931 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
4932 fold_buildN instead of buildN then fold_initializer or fold.
4933 (build_unary_op): Likewise.
4934 (build_binary_op): Likewise.
4935 * fold-const.c (fold_initializer): Remove.
4936 (fold_build1_initializer): New function.
4937 (fold_build2_initializer): New function.
4938 (fold_build3_initializer): New function.
4939 * tree.h (fold_initializer): Remove.
4940 (fold_build1_initializer): New function.
4941 (fold_build2_initializer): New function.
4942 (fold_build3_initializer): New function.
4944 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4946 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
4947 (try_move_mult_to_index): Call fold_build2 instead of build2.
4948 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
4949 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
4950 fold_binary_to_constant.
4951 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
4953 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
4954 check if A == gcd (A, B). Remove TYPE argument.
4955 (analyze_offset) Use fold_build2 instead of fold (build.
4956 (create_data_ref): Likewise.
4957 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
4958 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
4961 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
4963 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
4964 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
4966 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
4969 * gimplify.c (zero_sized_type): New function.
4970 (gimplify_modify_expr_rhs): If we have a zero sized type,
4971 replace the statement with an empty statement.
4973 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
4975 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
4978 2005-08-16 Ian Lance Taylor <ian@airs.com>
4980 * doc/tm.texi (Label Output): Correct typo.
4982 2005-08-16 Steven Bosscher <stevenb@suse.de>
4985 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
4986 force_operand will work later on using have_insn_for.
4988 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4990 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
4992 2005-08-16 Ian Lance Taylor <ian@airs.com>
4995 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
4996 vector type, don't try to construct it element by element. Add an
4997 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
4999 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5001 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
5003 2005-08-16 Geoffrey Keating <geoffk@apple.com>
5005 * doc/invoke.texi (Precompiled Headers): Document some more options
5006 which are known to be safe.
5008 2005-08-16 James E Wilson <wilson@specifix.com>
5010 PR tree-optimization/21105
5011 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5012 TREE_OVERFLOW check.
5014 2005-08-16 David Edelsohn <edelsohn@gnu.org>
5016 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
5017 (neg_ltu<mode>): Same.
5019 (neg_gtu<mode>): Same.
5021 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5023 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
5024 (fold_builtin_isdigit): Use fold_buildN.
5025 (build_function_call_expr): Likewise.
5026 * c-typeck.c (c_finish_loop): Likewise.
5028 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
5029 Richard Shann <rshann@superh.com>
5031 PR middle-end/20396:
5032 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
5034 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
5036 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
5038 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
5041 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
5042 arm_compure_save_reg0_reg12_mask to determine when the PIC register
5045 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5048 * fold-const.c (build_range_check): Disable optimization for function
5049 pointer expressions on targets that require function pointer
5052 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
5054 * simplify-rtx.c (simplify_const_relational_operation): When
5055 extracting arguments of a COMPARE, recompute the mode as well.
5057 2005-08-15 Ian Lance Taylor <ian@airs.com>
5059 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5061 2005-08-15 DJ Delorie <dj@redhat.com>
5063 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
5065 (movsi_splittable): Allow, but split, moves to the stack.
5066 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
5069 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5071 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
5072 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
5073 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
5075 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
5076 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
5077 Delete HOST_PTR_PRINTF.
5079 * configure, config.in: Regenerate.
5081 2005-08-15 David Edelsohn <edelsohn@gnu.org>
5083 * config/rs6000/rs6000.md (QHSI): New mode macro.
5084 (wd): Extend mode attr for QImode and HImode
5085 (dbits): New mode attr.
5086 (zero_extend<mode>di2): Convert to mode macro.
5088 2005-08-15 Steve Ellcey <sje@cup.hp.com>
5091 * doc/invoke.texi (-mgnu-ld): Update description.
5094 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5097 * Makefile.in (tree-chrec.o): Depends on real.h.
5098 * tree-chrec.c: Include real.h.
5099 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
5100 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
5101 * tree-scalar-evolution.c (add_to_evolution_1,
5102 interpret_rhs_modify_expr): Ditto.
5104 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5107 * tree-data-ref.c (estimate_niter_from_size_of_data): When
5108 step is negative compute the estimation from init downwards to zero.
5110 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
5112 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
5114 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5116 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
5118 (legitimate_reload_constant_p): Fix handling of lliXX operands.
5119 Accept double-word constants that can be split.
5120 * config/s390/s390.md ("movti"): Use 'P' constraint.
5121 ("*movdi_31", "*movdf_31"): Likewise.
5123 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
5125 Fix PR tree-optimization/22615
5127 * tree-ssa-structalias.c (solution_set_add): Handle
5128 first_vi_for_offset returning NULL.
5129 (do_da_constraint): Ditto.
5130 (do_sd_constraint): Ditto.
5131 (do_ds_constraint): Ditto
5132 (find_func_aliases): Ditto.
5133 (build_constraint_graph): RHS is allowed be ANYTHING.
5134 (first_vi_for_offset): Return NULL if we couldn't find anything at
5137 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5139 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
5140 over memory as first operand.
5142 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
5145 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
5146 available for setting it.
5148 2005-08-14 Ira Rosen <irar@il.ibm.com>
5150 PR tree-optimization/23320
5151 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
5152 data-refs' types instead of base object nullness. Add check for
5153 pointer type data-refs before first location comparison. Remove
5156 2005-08-14 Andreas Schwab <schwab@suse.de>
5158 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
5160 2005-08-13 James E Wilson <wilson@specifix.com>
5162 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
5163 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
5164 -fstack-protector-all, --param ssp-buffer-size): Document.
5165 (-Wvariadic-macros): Alphabetize.
5166 (-fsched-stalled-insns-dep): Add missing 'f'.
5168 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
5171 2005-08-13 David Edelsohn <edelsohn@gnu.org>
5173 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
5174 or indirect address operand.
5175 (EXTRA_ADDRESS_CONSTRAINT): New.
5176 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
5178 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
5180 PR tree-optimization/22236
5181 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
5182 successors and predecessors.
5183 * tree-chrec.c (chrec_convert): Before converting, check that
5184 sequences don't wrap.
5185 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
5186 (analyze_array): Extern.
5187 (find_data_references_in_loop): Remove call to
5188 compute_estimated_nb_iterations.
5189 * tree-data-ref.h (analyze_array): Declared.
5190 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
5191 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
5192 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
5193 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
5195 * tree-ssa-loop-ivcanon.c: Fix documentation.
5196 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
5197 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
5198 (infer_loop_bounds_from_undefined): New.
5199 (estimate_numbers_of_iterations_loop): Use
5200 infer_loop_bounds_from_undefined.
5201 (used_in_pointer_arithmetic_p): New.
5202 (scev_probably_wraps_p): Pass an extra parameter. Call
5203 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
5204 (convert_step): Fix documentation.
5205 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
5206 Use initial_condition_in_loop_num and evolution_part_in_loop_num
5207 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
5208 scev_probably_wraps_p.
5210 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
5212 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
5213 (s390_register_info): Ignore clobbered_regs information for fixed
5214 registers, and only fixed registers.
5215 (s390_init_frame_layout): Remove redundant call.
5217 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
5219 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
5220 description of -Wold-style-casts.
5222 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5223 Jakub Jelinek <jakub@redhat.com>
5225 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5226 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
5227 * config/s390/s390.c (print_operand): New output modifier 'G' added.
5228 (get_thread_pointer): Renamed to s390_get_thread_pointer.
5229 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
5230 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
5231 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
5232 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5233 ("stack_protect_set", "stack_protect_test"): New expanders.
5234 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
5235 "stack_protect_testdi"): New insn definitions.
5237 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5239 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
5241 2005-08-12 Paul Brook <paul@codesourcery.com>
5243 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
5245 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5247 * config/s390/predicates.md (setmem_operand): New predicate.
5248 (shift_count_operand): Accept ANDs with special constants as
5250 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
5251 with special constants.
5252 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
5253 shift_count_operand with setmem_operand.
5255 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5257 * config/s390/s390.c (s390_extract_part, s390_single_part):
5259 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
5260 (s390_output_mi_thunk): Don't use lg on 31 bit.
5261 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
5262 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
5264 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5266 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
5267 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
5268 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
5269 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
5270 with one of the new macros.
5272 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5274 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
5275 Don't set save_return_addr_p.
5276 (s390_register_info): Make clobbered_regs not depending on
5279 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
5281 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
5282 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
5284 2005-08-11 James E. Wilson <wilson@specifix.com>
5286 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
5288 2005-08-11 Jakub Jelinek <jakub@redhat.com>
5290 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
5291 locations gathered by var-tracking in single entry loc_list
5292 over loc_descriptor_from_tree.
5294 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
5295 pass it down to loc_descriptor.
5296 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
5297 (containing_function_has_frame_base): Move earlier in the file.
5298 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
5299 instead of always assuming fbreg can't be used.
5301 2005-08-11 David Edelsohn <edelsohn@gnu.org>
5303 * config/rs6000/altivec.md: Change constraint "m" to "Z".
5304 * config/rs6000/predicates.md (indexed_or_indirect_operand):
5305 Accept address wrapped in AND for Altivec.
5306 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5307 Strip AND wrapping offset address for Altivec.
5309 2005-08-11 Richard Henderson <rth@redhat.com>
5312 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
5313 before using TYPE_IS_SIZETYPE.
5315 2005-08-11 Richard Henderson <rth@redhat.com>
5318 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
5319 insn types not present on ev4.
5320 (alphaev5_insn_pipe): Similarly.
5322 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
5325 * arm.c (arm_override_options): If the user has selected callee-super-
5326 interworking, then enable normal interworking.
5328 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5330 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
5333 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
5335 * doc/rtl.texi: Fix two typos.
5337 2005-08-11 Richard Guenther <rguenther@suse.de>
5340 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
5341 cases where we call to/from functions returning void.
5343 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
5346 * tree.c (build_pointer_type_for_mode): Robustify.
5348 2005-08-10 James E Wilson <wilson@specifix.com>
5350 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
5351 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
5353 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
5356 2005-08-10 Eric Christopher <echristo@apple.com>
5358 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
5359 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
5362 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
5365 * config/darwin.c (machopic_indirect_data_reference): Use a new register
5366 for the high part when generating dynamic-no-pic code.
5368 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
5370 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
5371 (x86_64-*-linux*): Likewise.
5373 * config/i386/crtfastmath.c: New file.
5374 * config/i386/t-crtfm: Likewise.
5376 * config/i386/linux.h (ENDFILE_SPEC): New.
5377 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
5379 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
5382 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
5384 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
5385 (vec_shl, vec_shr): Document new operations.
5386 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
5388 2005-08-10 David Edelsohn <edelsohn@gnu.org>
5390 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
5391 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
5392 change predicate to indexed_or_indirect_address.
5394 2005-08-10 Richard Sandiford <richard@codesourcery.com>
5396 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
5397 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
5398 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
5399 and __aeabi_uwrite8.
5400 * config/arm/unaligned-funcs.c: New file.
5401 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
5403 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
5405 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
5407 * cfglayout.c (pass_insn_locators_initialize): Add dump.
5408 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
5410 * except.c (pass_convert_to_eh_region_ranges): Add dump.
5411 * final.c (pass_shorten_branches): Add dump.
5412 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
5413 (pass_life): Rename dump.
5414 (rest_of_handle_flow2): Remove initial verify_flow_info.
5415 * function.c (pass_instantiate_virtual_regs): Add dump.
5416 * integrate.c (pass_initial_value_sets): Add dump.
5417 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
5418 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
5419 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
5420 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
5421 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
5422 gate_rtl_unrool_and_peel_loops): New.
5423 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
5424 rtl_doloop): Do not look at flags.
5425 * mode-switching.c (pass_mode_switching): Add dump.
5426 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
5427 pass_split_before_regstack): Add dump.
5428 * regmove.c (pass_stack_adjustments): Add dump.
5429 * tree-optimize.c (pass_fixup_cfg): Add dump.
5431 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5434 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
5435 deciding which instruction sequence to use.
5437 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
5439 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
5440 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
5442 2005-08-09 Richard Guenther <rguenther@suse.de>
5444 * c-common.c (builtin_function_2): Remove.
5445 (def_builtin_1): New function.
5446 (c_common_nodes_and_builtins): Use def_builtin_1 to
5447 build builtin functions.
5449 2005-08-09 Jie Zhang <jie.zhang@analog.com>
5451 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
5452 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5453 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
5456 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
5458 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
5459 fold_binary instead of fold_build2 since we don't care about the
5461 (loop_niter_by_eval): Likewise.
5462 (compare_trees): Likewise.
5463 (proved_non_wrapping_p): Likewise.
5465 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
5469 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
5470 if the if is really empty.
5472 2005-08-09 Steven Bosscher <stevenb@suse.de>
5474 PR tree-optimization/23234
5475 * tree-ssa-math-opts.c (place_reciprocal): New enum.
5476 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
5477 argument of the new enum.
5478 (execute_cse_reciprocals): Add reciprocals for function arguments
5479 on the unique successor edge of the entry block. Update other calls
5480 to execute_cse_reciprocals_1.
5482 2005-08-08 Richard Henderson <rth@redhat.com>
5485 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
5487 2005-08-08 Bob Wilson <bob.wilson@acm.org>
5489 * expr.c (write_complex_part): Return after handling MEM.
5491 2005-08-08 Josh Conner <jconner@apple.com>
5493 PR rtl-optimization/23241
5494 * combine.c (simplify_comparison): Fix error in determining
5495 whether to lift a subreg from comparison.
5497 2005-08-08 David Edelsohn <edelsohn@gnu.org>
5500 * config/rs6000/altivec.md (vec_init<mode>): New.
5501 (vec_set<mode>): New.
5502 (vec_extract<mode>): New.
5503 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
5504 (rs6000_expand_vector_set): New.
5505 (rs6000_expand_vector_extract): New.
5506 (rs6000_legitimate_offset_address_p): Offset addresses are valid
5507 for Altivec modes before reload.
5508 (altivec_expand_vec_init_builtin): New.
5509 (get_element_number): New.
5510 (altivec_expand_vec_set_builtin): New.
5511 (altivec_expand_vec_ext_builtin): New.
5512 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
5514 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
5516 * config/rs6000/rs6000.h (rs6000_builtins): Add
5517 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
5518 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
5519 * config/rs6000/rs6000-protos.h: Declare new functions.
5521 2005-08-08 Jan Hubicka <jh@suse.cz>
5523 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
5524 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
5525 * i386.md (movdi*): Use pic_32bit_operand.
5526 * predicates.md (pic_32bit_operand): New.
5528 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
5531 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
5533 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
5535 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
5536 (test_for_singularity): Use fold_build2.
5538 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5540 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
5542 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
5544 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5545 (COMMON_ASM_OP) Define.
5546 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
5547 (ix86_encode_section_info): Likewise.
5548 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
5549 SUBTARGET_ENCODE_SECTION_INFO.
5551 2005-08-06 Richard Henderson <rth@redhat.com>
5554 * tree-nested.c (convert_local_reference): Save and restore val_only
5555 around component_ref and friends. Clear walk_subtrees by default.
5557 2005-08-06 Peter O'Gorman <peter@pogma.com>
5560 * gcc.c (process_command): Check the argument to -b has a dash.
5561 * doc/invoke.texi: Update -b and -V docs.
5563 2005-08-06 James E Wilson <wilson@specifix.com>
5565 * config/mips/cross64.h, config/mips/t-cross64: Delete.
5567 2005-08-06 Michael Matz <matz@suse.de>
5569 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
5570 member only if only one insn is associated with the value.
5572 2005-08-06 Nick Clifton <nickc@redhat.com>
5574 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
5576 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
5577 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
5578 Check symbol flags instead of symbol name mangling.
5579 (xstormy16_asm_output_aligned_common): Likewise. Also
5580 simplify code since the bss100_section cass is the only case
5581 where the below100 code will be triggered.
5582 (xstormy16_encode_section_info): Encode below100 attribute
5583 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
5585 (xstormy16_strip_name_encoding): Delete - this function is no
5587 (TARGET_STRIP_NAME_ENCODING): Undefine.
5588 * config/stormy16/stormy16-protos.h: Delete prototype for
5589 xstormy16_strip_name_encoding.
5591 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
5593 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
5594 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
5595 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
5596 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
5597 config/alpha/predicates.md, config/arc/arc.h,
5598 config/arm/arm.h, config/arm/ieee754-df.S,
5599 config/arm/ieee754-sf.S, config/bfin/bfin.c,
5600 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
5601 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
5602 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
5603 config/m68hc11/m68hc11.h, config/mips/mips.c,
5604 config/mips/mips.h, config/mips/openbsd.h,
5605 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
5606 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
5607 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5608 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
5609 config/sparc/linux.h, config/sparc/linux64.h,
5610 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
5611 doc/extend.texi, doc/gcov.texi, doc/install.texi,
5612 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
5613 typos. Follow spelling conventions.
5615 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
5618 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
5619 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
5620 specially. Check for side effects only for COND_EXPR.
5621 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
5622 return with TREE_NO_WARNING.
5624 2005-08-06 Richard Sandiford <richard@codesourcery.com>
5626 PR rtl-optimization/23233
5627 * loop.c (combine_movables): Require the modes to be the same.
5628 (move_movables): Remove handling of cases where the replacement
5629 had a different mode to the original.
5631 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
5633 PR tree-optimization/23128
5634 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
5635 subtraction wrap, and set TREE_OVERFLOW if they do.
5637 2005-08-05 Richard Henderson <rth@redhat.com>
5640 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
5641 FORCED_LABEL labels.
5643 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
5646 * reload.c (find_reloads_subreg_address): Pass down TYPE
5647 unchanged. Change all callers except find_reloads_toplev.
5649 2005-08-05 Michael Matz <matz@suse.de>
5651 * genattrtab.c (current_alternative_string): Remove.
5652 (SIMPLIFY_ALTERNATIVE): Ditto.
5653 (attr_alt_bit_p): Ditto.
5654 (alternative_name): Make const char *.
5655 (evaluate_eq_attr): Remove use of above things.
5656 (simplify_test_exp): Ditto.
5657 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
5658 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
5660 2005-08-04 James E Wilson <wilson@specifix.com>
5662 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
5663 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
5664 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
5665 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
5666 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
5668 2005-08-04 Richard Henderson <rth@redhat.com>
5671 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
5672 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
5673 * tree-sra.c (decide_block_copy): Use it. Disable element copy
5674 if we'd have to instantiate too many members.
5676 2005-08-04 Richard Henderson <rth@redhat.com>
5679 * tree-outof-ssa.c (coalesce_asm_operands): New.
5680 (coalesce_ssa_name): Use it. Split out ...
5681 (coalesce_phi_operands, coalesce_result_decls): ... these.
5683 2005-08-04 Paul Brook <paul@codesourcery.com>
5685 * read-rtl.c (read_quoted_string): Break if EOF.
5687 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
5689 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
5690 (fold_build2): Likewise.
5691 (fold_build3): Likewise.
5692 (fold_build1_stat): New function prototype.
5693 (fold_build2_stat): Likewise.
5694 (fold_build3_stat): Likewise.
5695 * fold-const.c (fold_build1): Rename to ..
5696 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5697 through to build1_stat.
5698 (fold_build2): Rename to ..
5699 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5700 through to build2_stat.
5701 (fold_build3): Rename to ..
5702 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5703 through to build3_stat.
5705 2005-08-04 David Edelsohn <edelsohn@gnu.org>
5706 Ian Lance Taylor <ian@airs.com>
5708 * function.c (assign_stack_local_1): Do not correct stack slot
5709 address if allocation size is smaller than mode size.
5711 2005-08-04 Diego Novillo <dnovillo@redhat.com>
5714 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
5715 (tree_merge_blocks): Propagate anything allowed by
5717 Clarify documentation.
5718 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
5719 SSA form, schedule an update if necessary.
5721 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
5723 * doc/install.texi (Binaries): Remove broken link to
5724 Sinix/Reliant Unix binaries.
5726 2005-08-03 Richard Henderson <rth@redhat.com>
5729 * function.c (stack_protect_epilogue): Export.
5730 * tree.h (stack_protect_epilogue): Declare.
5731 * calls.c (expand_call): Call it.
5733 2005-08-03 Eric Christopher <echristo@apple.com>
5735 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
5736 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
5739 2005-08-04 Jan Hubicka <jh@suse.cz>
5741 * profile.c (branch_prob): Split edges with goto locus on them
5742 to get proper line counts.
5743 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
5745 2005-08-03 Paul Brook <paul@codesourcery.com>
5747 * function.c (assign_parms): Round current_function_args_size
5748 to PARM_BOUNDARY, not STACK_BOUNDARY.
5750 2005-08-03 Geoffrey Keating <geoffk@apple.com>
5752 * config/i386/i386.c (x86_elf_aligned_common)
5753 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
5755 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
5757 PR tree-optimization/23157
5758 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
5759 before emitting them.
5761 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5763 PR tree-optimization/19899
5764 * Makefile.in (tree-scalar-evolution.o): Add real.h.
5765 * tree-scalar-evolution.c: Include real.h.
5766 (add_to_evolution): Build constant -1 of correct type.
5768 2005-08-03 Jan Hubicka <jh@suse.cz>
5770 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
5771 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
5772 profile updating for complette unrolling.
5773 * loop-unroll.c (peel_loop_completely): Use it.
5774 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
5775 (tree_unroll_loops_completely): Disable code growing unrolling of cold
5778 2005-08-03 Paul Brook <paul@codesourcery.com>
5780 * combine.c (can_change_dest_mode): New function.
5781 (try_combine, simplify_set): Use it.
5783 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
5785 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
5788 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
5790 * doc/install.texi (Specific): Adjust link to openavr.org.
5791 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
5792 (Binaries): Adjust HP-UX Porting Center link.
5793 (Binaries): Adjust Free Software Foundation ordering link.
5795 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
5797 * convert.c (convert_to_integer): Use fold_build1 instead of
5798 build1 when converting an integer to an integer.
5800 2005-08-02 Richard Henderson <rth@redhat.com>
5802 * combine.c (combine_instructions): Don't use reg_equal/equiv
5803 results if the mode doesn't match.
5805 2005-08-02 Mark Mitchell <mark@codesourcery.com>
5807 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
5808 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
5810 2005-08-02 Richard Henderson <rth@redhat.com>
5813 * explow.c (memory_address): Remove special-case for
5814 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
5816 2005-08-02 Diego Novillo <dnovillo@redhat.com>
5819 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
5820 number of calls to cleanup_tree_cfg_1.
5822 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
5824 * doc/invoke.texi: document file extensions .F90 and .F95
5826 2005-08-02 Richard Guenther <rguenther@suse.de>
5828 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
5829 positive if its first argument is positive.
5831 2005-08-02 Richard Guenther <rguenther@suse.de>
5833 PR tree-optimization/23177
5834 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
5837 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
5839 PR tree-optimization/23129
5840 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
5841 varying for divisions with anti-ranges.
5843 2005-08-02 Jan Hubicka <jh@suse.cz>
5845 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
5846 * tree-ssa-threadupdate.c (thread_block): Add it here.
5848 2005-08-01 James E Wilson <wilson@specifix.com>
5850 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
5851 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
5852 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
5854 * config/mips/predicates.md (const_call_insn_operand): Add check for
5855 SYMBOL_REF_LONG_CALL_P.
5856 * doc/extend.texi (long_call): Document the new attribute.
5858 2005-08-01 Ian Lance Taylor <ian@airs.com>
5859 Richard Henderson <rth@redhat.com>
5861 * Makefile.in (RTL_BASE_H): Add real.h.
5862 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
5864 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
5866 * rtl.c (rtl_check_failed_code_mode): New.
5867 * rtl.h (struct rtx_def): Add u.rv.
5868 (XCMWINT, XCNMPRV): New.
5869 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
5870 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
5872 2005-08-01 Richard Henderson <rth@redhat.com>
5874 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
5875 with auto-inc codes.
5877 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
5879 2005-08-01 Jan Hubicka <jh@suse.cz>
5881 * i386-protos.h (asm_preferred_eh_data_format): Declare.
5882 * i386.c: Include dwarf2.h
5883 (asm_preferred_eh_data_format): New.
5884 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
5886 2005-08-01 Ian Lance Taylor <ian@airs.com>
5888 * config/host-linux.c (linux_gt_pch_get_address): Add new name
5889 randomize_va_space for virtual address randomization control.
5891 2005-08-01 Steven Bosscher <stevenb@suse.de>
5893 * common.opt (flag_ipa_cp): Put in right place to maintain
5896 2005-08-01 Jan Hubicka <jh@suse.cz>
5898 * profile.c (compute_value_histograms): Fix thinko.
5899 * value-prof.c: Include toplev.h
5900 (check_counter): New function.
5901 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
5902 tree_mod_subtract_transform): Add sanity check.
5904 2005-08-01 Richard Guenther <rguenther@suse.de>
5906 PR tree-optimization/23133
5907 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
5908 current functions parameter decls to find defs to cse
5911 2005-08-01 Richard Guenther <rguenther@suse.de>
5913 PR tree-optimization/23109
5914 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
5915 If trapping math is in effect, use post-dominator information
5916 to check if we'd in any case reach a trapping point before
5917 doing the reciprocal insertion.
5918 (execute_cse_reciprocals): Compute post-dominators, if necessary.
5919 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
5920 expressions are invariant only if trapping math is not in effect.
5922 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5924 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
5925 cgraph_function_versioning): New declarations.
5926 * cgraphunit.c: Add include to ipa-prop.h.
5927 (update_call_expr, cgraph_copy_node_for_versioning,
5928 cgraph_function_versioning): New functions.
5929 * integrate.c (copy_decl_for_inlining): Remove.
5930 * ipa-prop.h (ipa_replace_map): New struct.
5931 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
5932 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
5933 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
5934 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
5935 ipcp_iterate_stage, ipcp_method_scale_print,
5936 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
5937 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
5938 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
5939 ipcp_update_bb_counts, ipcp_update_profiling,
5940 ipcp_update_edges_counts): New functions.
5941 (ipcp_method_cval_init): Remove restriction regarding local methods.
5942 (ipcp_init_stage): Add ipcp_method_compute_scale.
5943 (ipcp_insert_stage): Add versioning.
5944 (ipcp_structures_print): Add ipcp_method_scale_print.
5945 (ipcp_driver): Dump profiling info.
5946 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
5947 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
5948 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
5949 (struct inline_data): Add versioning_p, ipa_info, new fields.
5950 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
5951 declare_return_variable): Replace calls to copy_decl_for_inlining with
5953 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
5955 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
5956 Add argument VERSIONING.
5957 (copy_arguments_for_versioning, copy_static_chain,
5958 function_versionable_p, tree_versionable_function_p,
5959 tree_function_versioning, replace_ref_tree): New functions.
5960 * tree-inline.h: Include varray.h.
5961 (tree_versionable_function_p, tree_function_versioning,
5962 tree copy_decl_for_dup): New declarations.
5964 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5966 * ipa-cp.c: New file. Contains IPCP specific functionality.
5967 * ipa-prop.h: New file. Contains structures/definitions that can be
5968 used by several interprocedural data flow optimizations (and also IPCP).
5969 * ipa-prop.c: New file.
5970 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
5971 * common.opt: Add ipa-cp flag.
5972 * timevar.def: Add IPCP optimization.
5973 * tree-optimize.c (init_tree_optimization_passes): Schedule
5975 * tree-pass.h (pass_ipa_cp): Declare.
5977 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
5979 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
5980 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
5981 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
5982 config/i386/i386.c, config/mips/mips.h,
5983 config/rs6000/rs6000.h, config/sh/sh.c,
5984 config/stormy16/stormy16.c: Fix comment typos.
5986 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
5989 * c-typeck.c (build_binary_op): Use common_type wrapper on
5991 (common_type): Update comment.
5993 2005-07-31 Steven Bosscher <stevenb@suse.de>
5996 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
5997 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
5998 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
6000 2005-07-31 Jan Hubicka <jh@suse.cz>
6002 * pretty-print.h (pp_widest_integer): New macro.
6003 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
6006 2005-07-31 Jan Hubicka <jh@suse.cz>
6008 * output.h (enum section_category): Export from varasm.c
6009 (categorize_decl_for_section): Likewise.
6010 * varasm.c (enum section_category): Kill.
6011 (categorize_decl_for_section): Make global.
6012 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
6014 * i386.c (ix86_section_threshold): New static variable.
6015 (ix86_in_large_data_p, ix86_encode_section_info,
6016 x86_64_elf_unique_section,
6017 x86_64_elf_select_section): New functions.
6018 (TARGET_ENCODE_SECTION_INFO): Define
6019 (override_options): Enable medium model for PIC.
6020 (ix86_expand_prologue): Expand gen_set_got_rex64.
6021 (legitimate_constant_p): Handle new UNSPECs.
6022 (legitimate_pic_address_disp_p): Likewise.
6023 (legitimize_pic_address): Lower MEDIUM model addressing.
6024 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
6025 (enum cmodel): Add MEDIUM_PIC.
6026 (SYMBOL_REF_FAR_ADDR_P): New macro.
6027 (SYMBOL_FLAG_FAR_ADDR): New flag.
6028 * i386.md (movdi): Support medium model.
6029 (set_got_rex64): New pattern.
6030 * i386.opt (mlarge-data-threshold): New flag.
6031 * predicates.md (zext_operand/sext_operand): Deal with medium model.
6032 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
6033 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
6034 TARGET_ASM_UNIQUE_SECTION): New.
6036 * invoke.texi (-mlarge_data_threshold): Document
6038 2005-07-31 Jan Hubicka <jh@suse.cz>
6040 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
6041 (coalesce_vars): Likewise.
6042 * tree-ssa-live.c (coalesce_cost): New.
6043 (build_tree_conflict_graph): Use coalesce_cost.
6044 * tree-ssa-live.h (coalesce_cost): Declare.
6046 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
6048 * arm.md (all peepholes for post-increment operations): Delete.
6049 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
6050 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
6051 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6052 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6053 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6055 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
6057 * fold-const.c (tree_expr_nonnegative_p): Always return true for
6060 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
6063 * doc/invoke.texi: Document -rdynamic.
6065 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
6068 * c-parser.c (c_parser_parms_list_declarator): Call
6069 mark_forward_parm_decls.
6070 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
6071 decls with visibility structure.
6073 2005-07-30 Paul Brook <paul@codesourcery.com>
6075 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
6077 2005-07-30 Paul Brook <paul@codesourcery.com>
6079 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
6081 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
6083 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
6085 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6088 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
6089 nested function declarators.
6090 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
6091 (grokparms): Call warn_if_shadowing for parameters used within the
6093 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
6094 not used within the parameter list.
6095 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
6097 2005-07-30 Jan Hubicka <jh@suse.cz>
6099 * expr.c (expand_expr_real_1): Do not load mem targets into register.
6100 * i386.c (ix86_fixup_binary_operands): Likewise.
6101 (ix86_expand_unary_operator): Likewise.
6102 (ix86_expand_fp_absneg_operator): Likewise.
6103 * optabs.c (expand_vec_cond_expr): Validate dest.
6105 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6108 * real.c (real_from_string): Also set last bit if there is a
6109 nonzero hex digit beyond GCC's internal precision after ".".
6111 2005-07-29 David Edelsohn <edelsohn@gnu.org>
6113 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
6114 define_constants. Change duplicate values to unassigned numbers.
6115 Change UNSPEC_SUBS to UNSPEC_VSUBS.
6116 (*altivec_vspltsf): New.
6117 (altivec_vperm_v4sf): Delete.
6118 (altivec_vperm_<mode>): Use mode macro V.
6119 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
6120 (altivec_predicate_v4sf): Delete.
6121 (altivec_predicate_<mode>): Use mode macro V.
6122 (*altivec_lvesfx): New.
6123 (*altivec_stvesfx): New.
6124 (vec_realign_load_v4sf): Delete.
6125 (vec_realign_load_<mode>): Use mode macro V.
6126 * config/rs6000/rs6000.c (generate_set_vrsave): Use
6129 2005-07-29 Mark Mitchell <mark@codesourcery.com>
6132 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
6134 * configure: Regenerated.
6136 2005-07-29 Paul Brook <paul@codesourcery.com>
6138 * doc/install.texi: Add link to GFortran binaries wiki page.
6140 2005-07-29 David Ung <davidu@mips.com>
6142 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
6143 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
6144 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
6145 * config/mips/mips.md (cpu): Add 5kf name.
6146 (includes): Includes 5k.md.
6147 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
6148 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
6151 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6154 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
6155 (cleanup_tree_cfg): ... here.
6156 Call cleanup_tree_cfg_1 until there are no more cleanups to
6159 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
6161 * tree-vrp.c (compare_range_with_value): Return true or false
6162 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
6163 EQ_EXPR respectively.
6165 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
6167 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
6170 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6172 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
6173 (tree_ssa_dominator_optimize): Increment it.
6174 (dump_dominator_optimization_stats): Print it.
6176 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
6177 Steven Bosscher <stevenb@suse.de>
6179 PR rtl-optimization/23117
6180 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
6181 when head == tail. Tidy comment.
6183 2005-07-28 Richard Henderson <rth@redhat.com>
6185 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
6186 * cselib.c (rtx_equal_for_cselib_p): Likewise.
6187 * jump.c (rtx_renumbered_equal_p): Likewise.
6188 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
6189 CONST_INT and CONST_DOUBLE.
6190 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
6191 * reload.c (operands_match_p): Special case CONST_INT and
6192 CONST_DOUBLE; check mode earlier.
6194 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6197 * c-typeck.c (convert_for_assignment): Do not check
6198 DECL_IN_SYSTEM_HEADER on NULL fundecl.
6200 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6203 * c-typeck.c (composite_type): Prefer constant size arrays to
6206 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6209 * real.c (real_from_string): Set last bit if there is a nonzero
6210 hex digit beyond GCC's internal precision.
6212 2005-07-28 Richard Henderson <rth@redhat.com>
6215 * cfgcleanup.c (try_forward_edges): Watch out for end of
6218 2005-07-28 James E Wilson <wilson@specifixinc.com>
6221 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
6223 2005-07-28 Jan Hubicka <jh@suse.cz>
6225 * Makefile.in (rtl-profile.o): Kill all traces of it.
6226 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
6227 * coverage.h (rtl_coverage_counter_ref): Kill.
6228 * opts.c (flag_speculative_prefetching_set): Kill.
6229 (flag_loop_optimize_set): New.
6230 (common_handle_option): Disable loop optimizer when profiling;
6231 do not handle speculative prefetching.
6232 * passes.c (init_optimization_passes): Replace pass_profiling combo
6233 by branch_prob pass.
6234 * profile.c (compute_value_histograms): Update for simplified value
6236 (rtl_register_profile_hooks): Kill.
6237 (pass_profiling): Kill.
6238 (rest_of_handle_branch_prob): Do not profile.
6239 * toplev.c (process_options): Remove speculative prefetching.
6240 * toplev.h (flag_tree_based_profiling): Kill.
6241 * tree-profile.c (prepare_instrumented_value,
6242 tree_gen_interval_profiler, tree_gen_pow2_profiler,
6243 tree_gen_one_value_profiler, do_tree_profiling): Update for
6244 simplified datastructures.
6245 * value-prof.c: Add comment that speculative prefetching was dropped;
6246 update rest of file for simplified datastructures.
6247 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
6248 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
6249 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
6250 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
6251 rtl_mod_subtract, gen_speculative_prefetch,
6252 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
6253 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
6254 (gate_handle_value_profile_transformations,
6255 rest_of_handle_value_profile_transformations,
6256 pass_value_profile_transformations): Kill.
6257 * value-prof.h (histogram_value_t): Remove IL based unions.
6258 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
6259 rtl_profile_hooks): Remove hooks.
6261 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
6263 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
6264 (cgraph_clone_node): Likewise.
6265 * cgraph.h (cgraph_clone_edge): Update prototype.
6266 (cgraph_clone_node): Likewise.
6267 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
6269 (lookup_recursive_calls): Consider profile.
6270 (cgraph_decide_recursive_inlining): Fix updating; use new
6271 probability argument; use profile.
6272 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
6273 * tree-inline.c (copy_bb): Update clal of clone_edge.
6274 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
6276 * invoke.texi (min-inline-recursive-probability): Document.
6278 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
6280 * doc/install.texi (Configuration): Update Valgrind homepage.
6282 2005-07-28 Richard Henderson <rth@redhat.com>
6285 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
6286 labels we want to delete.
6287 (cfg_layout_merge_blocks): Likewise.
6289 2005-07-28 Richard Henderson <rth@redhat.com>
6292 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
6293 when expanding to nothing.
6295 2005-07-28 Josh Conner <jconner@apple.com>
6297 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
6298 (cgraph_decide_inlining_of_small_functions): Likewise.
6300 2005-07-28 Josh Conner <jconner@apple.com>
6302 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
6303 direction of badness if negative.
6304 (cgraph_default_inline_p): Add reason to parameters, and assign it
6306 (cgraph_decide_inlining_of_small_functions): New parameter in call
6307 to cgraph_default_inline_p.
6308 (cgraph_decide_inlining_incrementally): Likewise.
6309 * cgraphunit.c (decide_is_function_needed): Likewise.
6310 * cgraph.h (cgraph_default_inline_p): Likewise.
6312 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6314 * builtins.c: Fix comment typo(s).
6315 * genautomata.c: Likewise.
6316 * gimplify.c: Likewise.
6317 * tree-dfa.c: Likewise.
6318 * tree-flow-inline.h: Likewise.
6319 * tree-into-ssa.c: Likewise.
6320 * tree-ssa-alias.c: Likewise.
6321 * tree-ssa-ccp.c: Likewise.
6322 * tree-ssa-copy.c: Likewise.
6323 * tree-ssa-dce.c: Likewise.
6324 * tree-ssa-dom.c: Likewise.
6325 * tree-ssa-operands.c: Likewise.
6326 * tree-tailcall.c: Likewise.
6327 * tree-vectorizer.c: Likewise.
6328 * tree-vrp.c: Likewise.
6331 2005-07-28 Jeff Law <law@redhat.com>
6333 * tree-vrp.c (test_for_singularity): Extracted from ...
6334 (simplify_cond_using_ranges): Attempt to simplify a relational
6335 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
6337 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
6339 PR tree-optimization/22506
6340 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
6341 phis whose argument is constant.
6343 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
6345 PR rtl-optimization/18992
6346 Back out this patch:
6347 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6348 PR optimization/12142
6349 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
6350 uses of the register in the SET_SRC. Remove unnecessary argument.
6352 Replace it with this:
6353 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
6354 if flag_non_call_exceptions is set and the insn may trap, pass
6355 pc_rtx as dest for recursion.
6356 In SET_SRC part of SET case, if dest is already set, pass it down
6359 2005-07-28 Jan Hubicka <jh@suse.cz>
6361 * cfg.c (update_bb_profile_for_threading): Use RDIV.
6362 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
6363 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
6365 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
6366 profile when available.
6368 2005-07-28 Jan Beulich <jbeulich@novell.com>
6370 * config/ia64/ia64.c (ia64_load_pair_ok): New.
6371 (ia64_print_operand): Describe and handle 'X'.
6372 (ia64_register_move_cost): Also handle FP_REGS.
6373 (ia64_preferred_reload_class): Likewise.
6374 (ia64_secondary_reload_class): Likewise.
6375 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
6376 it. Also check for ITANIUM_CLASS_FLDP.
6377 * config/ia64/ia64.h (FP_REGNO_P): New.
6378 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
6379 (reg_class): Add FP_REGS.
6380 (REG_CLASS_NAMES): Adjust for it.
6381 (REG_CLASS_CONTENTS): Likewise.
6382 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
6383 (REG_CLASS_FROM_LETTER): Handle 'x'.
6384 (CLASS_MAX_NREGS): Handle FP_REGS.
6385 (MEMORY_MOVE_COST): Likewise.
6386 * config/ia64/ia64.md (itanium_class): Add fldp.
6387 (type): Handle fldp.
6388 (movti_internal): More allowable operand combinations. Use ldfp8 when
6389 splitting unnecessary. Remove predicable attribute. Adjust
6390 itanium_class attribute.
6391 (smuldi3_highpart): Remove outdated comment.
6392 (mulditi3, umulditi3, rotlti3): New expanders.
6393 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
6394 (absti2): Disabled new insn for future reference.
6395 Respective new splitters.
6396 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
6397 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
6398 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
6400 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
6402 PR rtl-optimization/23047
6403 * simplify-rtx.c (simplify_const_relational_operation): Respect
6404 flag_wrapv for comparisons with ABS.
6406 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
6408 PR tree-optimization/22493
6409 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
6410 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
6412 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
6414 * config/frv/frv.opt (moptimize-membar): New.
6416 * doc/invoke.texi: Document -moptimize-membar and its inverse.
6418 * config/frv/frv.h: Remove machine_function definition.
6420 * config/frv/frv.c (struct frv_io): New.
6421 (struct machine_function): Moved from frv.h. Add has_membar_p.
6422 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
6423 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
6424 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
6425 (frv_optimize_membar_global, frv_optimize_membar): New functions.
6426 (frv_reorg): Call frv_optimize_membar when appropriate.
6427 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
6428 (frv_expand_builtin): Adjust calls accordingly.
6429 (frv_io_address_cookie): New function.
6430 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
6431 load or store rather than a special insn. Add ccnstant address and
6432 io-type operands to the membar.
6433 (frv_ifcvt_modify_tests): Unsign regno.
6434 (frv_ifcvt_modify_tests): Same.
6436 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
6437 UNSPEC_OPTIONAL_MEMBAR constant.
6438 (builtin_read_<mode>): Delete.
6439 (builtin_write_<mode>): Delete.
6440 ("optional_membar_<mode>"): Add operand.
6442 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
6443 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
6444 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
6445 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
6446 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
6447 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
6448 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
6449 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
6450 * testsuite/gcc.target/frv/all-read-write-1.c: New.
6452 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
6454 * df.c (df_uses_record): Handle SCRATCH.
6456 2005-07-28 Steven Bosscher <stevenb@suse.de>
6459 * passes.c (rest_of_decl_compilation): If decl is a type and
6460 we have encountered errors, don't emit debug information.
6462 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6464 * params.def: Fixed comment.
6466 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
6469 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
6470 (TARGET_ASM_UNALIGNED_HI_OP): Add.
6471 (TARGET_ASM_UNALIGNED_SI_OP): Add.
6473 2005-07-27 Steven Bosscher <stevenb@suse.de>
6476 * varasm.c (assemble_start_function): Don't do anything that may
6477 require a CFG if the current function is a thunk.
6479 2005-07-25 Geoffrey Keating <geoffk@apple.com>
6481 * doc/install.texi (Prerequisites): Mention that perl is needed
6482 to do export control in libstdc++ targetting Darwin.
6484 2005-07-27 Steven Bosscher <stevenb@suse.de>
6486 PR rtl-optimization/17808
6487 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
6488 (sched_insns_conditions_mutex_p): Split out from...
6489 (add_dependence): ...here. But don't call it from here.
6490 (add_dependence_list): Check sched_insns_conditions_mutex_p
6491 before calling add_dependence.
6492 (add_dependence_list_and_free): Likewise.
6493 (fixup_sched_groups): Likewise.
6494 (sched_analyze_1): Likewise.
6495 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
6496 (sched_analyze): Likewise.
6497 (sched_analyze_insn): Likewise.
6498 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
6499 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
6500 dependencies on all COND_EXEC insns to jumps ending basic blocks
6501 when doing intrablock scheduling.
6502 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
6504 2005-07-27 Jeff Law <law@redhat.com>
6506 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
6507 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
6508 equivalency sets, correctly handle the case were vr0 has an
6509 equivalency set, but vr1 does not.
6511 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
6513 PR tree-optimization/23073
6514 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
6515 vect_print_dump_info before fprintf.
6517 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6519 PR tree-optimize/22348
6520 * tree-ssa-loop-niter.c (number_of_iterations_cond):
6521 Fold the partial computation.
6523 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6525 PR tree-optimization/22325
6526 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
6528 * tree-scalar-evolution.c (scev_const_prop): Add generic final
6530 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
6531 (force_var_cost): ... this function.
6532 (compute_phi_arg_on_exit): Export.
6534 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6536 PR tree-optimization/20773
6537 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
6540 2005-07-27 Richard Guenther <rguenther@suse.de>
6542 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
6543 Avoid pushing again if current struct contains only
6544 fields we decomposed.
6546 2005-07-27 Jan Hubicka <jh@suse.cz>
6548 PR tree-optimization/22574
6549 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
6552 * tree-tailcall.c (decrease_profile): New function.
6553 (eliminate_tail_call): Use it.
6555 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
6556 visibility flags correctly in whole program mode.
6558 2005-07-26 Steve Ellcey <sje@cup.hp.com>
6560 PR rtl-optimization/22472
6561 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
6563 2005-07-26 Steven Bosscher <stevenb@suse.de>
6565 PR tree-optimization/22504
6566 * tree-complex.c (expand_complex_addition): Use 'code' instead
6567 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
6569 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
6571 * config.gcc (cpu_type): Add frv case.
6572 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
6573 (supported_defaults): Add fr550 case.
6575 2005-07-26 Diego Novillo <dnovillo@redhat.com>
6578 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
6579 whether a pointer of type T * may point to objects of type T *.
6581 2005-07-26 DJ Delorie <dj@redhat.com>
6583 * configure: Regenerate.
6585 2005-07-26 Dale Johannesen <dalej@apple.com>
6587 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
6589 2005-07-26 Mark Mitchell <mark@codesourcery.com>
6591 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
6592 Clarify use of "build" in name.
6594 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
6596 * doc/extend.texi (Raw read/write Functions): New section.
6597 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
6598 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
6599 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
6600 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
6601 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
6602 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
6603 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
6604 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
6605 * config/frv/frv.c: Add bdesc_loads global.
6606 Add bdesc_stores global.
6607 (frv_init_builtins): Add support for __builtin_{read/write}*.
6608 (frv_volatile_memref): New.
6609 (frv_expand_load_builtin): New.
6610 (frv_expand_store_builtin): New.
6611 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
6612 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
6613 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
6614 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
6615 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
6616 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
6617 (builtin_read_<mode>): New.
6618 (builtin_write_<mode>): New.
6619 (builtin_write64): New.
6620 (optional_membar_<mode>): New.
6622 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
6624 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
6625 (rather than units) against HOST_BITS_PER_WIDE_INT.
6627 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
6629 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
6630 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
6631 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
6632 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
6635 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
6636 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
6637 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
6639 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
6641 2005-07-26 Richard Guenther <rguenther@suse.de>
6643 PR tree-optimization/22486
6644 * fold-const.c (fold_unary): Fold away useless component
6645 references of the form (T *)&T.x, if the address
6648 2005-07-25 James E Wilson <wilson@specifixinc.com>
6650 * dwarf2out.c (add_call_src_coords_attributes): New.
6651 (gen_inlined_subroutine_die): Call it.
6652 (maybe_emit_file, init_file_table): Add comments.
6653 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
6655 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
6656 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
6657 * tree.h (BLOCK_SOURCE_LOCATION): New.
6658 (struct tree_block): New field locus.
6660 2005-07-26 Andreas Schwab <schwab@suse.de>
6662 PR rtl-optimization/23043
6663 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
6664 when allocating a struct unoccr.
6666 2005-07-25 Richard Henderson <rth@redhat.com>
6669 * tree-complex.c (gate_no_optimization): True if errors.
6670 * Makefile.in (tree-complex.o): Update dependencies.
6672 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
6674 * config/frv/predicates.md (integer_register_operand): Use
6677 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
6680 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
6682 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
6684 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
6686 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
6687 types when flag_unsafe_math_optimizations is true.
6689 2005-07-25 Mark Mitchell <mark@codesourcery.com>
6691 * gcc.c (option_map): Add --sysroot.
6692 (process_command): Handle --sysroot.
6693 (display_help): Document it.
6694 * doc/cppopts.tex (-isysroot): Document.
6695 * doc/invoke.texi (--sysroot): Document.
6696 * doc/install.texi (--with-build-sysroot): Document.
6698 * Makefile.in (inhibit_libc): New variable.
6699 (INHIBIT_LIBC_CFLAGS): Likewise.
6700 (LIBGCC2_CFLAGS): Include
6701 $(INHIBIT_LIBC_CFLAGS).
6702 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
6703 ($(T)crtbegin.o): Do not use @inhibit_libc@.
6704 ($(T)crtend.o): Likewise.
6705 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
6706 ($(T)crtendS.o): Likewise.
6707 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
6708 ($(T)crtendT.o): Likewise.
6709 (stmp-fixinc): Do not complain about missing headers if
6711 * configure.ac (inhibit_libc): Set it to true/false.
6712 (--with-build-sysroot): New option. Use it to set
6714 * configure: Regenerated.
6716 2005-07-25 Manfred Hollstein <mh@suse.com>
6718 * calls.c (store_one_arg): Fix unsigned comparison warning.
6720 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
6723 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
6724 (ggc_print_statistics): Initialize variable before use.
6726 2005-07-25 Richard Guenther <rguenther@suse.de>
6728 * tree-dfa.c (mark_new_vars_to_rename): Protect against
6729 calling with a PHI_NODE argument.
6731 * tree-flow-inline.h (overlap_subvar): Protect against
6734 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
6736 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
6737 * configure: Regenerate.
6739 2005-07-25 Ira Rosen <irar@il.ibm.com>
6741 * expr.c (highest_pow2_factor): Make extern.
6742 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
6743 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
6744 record_array_differ_p, array_ptr_differ_p): Likewise.
6745 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
6746 additional cases. Call the above functions.
6747 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
6748 base_object_differ_p when there are two base objects. Otherwise, compare
6749 base address and offset. Call may_alias_p.
6750 (dump_data_reference): Use a correct field name.
6751 (analyze_array): Make static. Initialize new data-ref fields.
6752 (analyze_indirect_ref): New function.
6753 (init_data_ref): Initialize new data-ref fields.
6754 (strip_conversion): Moved from tree-vect-analyze.c.
6755 (analyze_offset_expr, get_ptr_offset, address_analysis,
6756 object_analysis): Likewise.
6757 (analyze_offset): New function.
6758 (create_data_ref): Likewise.
6759 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
6760 dimensions for ARRAY_REFs only.
6761 (build_classic_dist_vector): Make static.
6762 (access_functions_are_affine_or_constant_p): Call macro to get the
6763 address of access functions.
6764 (compute_all_dependences): Add new parameter
6765 compute_self_and_read_read_dependences. Compute self and read-read
6766 dependences if it is true.
6767 (find_data_references_in_loop): Call create_data_ref. Initialize new
6769 (compute_data_dependences_for_loop): Add new parameter
6770 compute_self_and_read_read_dependences. Remove parameter nb_loops,
6771 compute nb_loops. Call compute_all_dependences,
6772 build_classic_dist_vector and build_classic_dir_vector with correct
6774 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
6775 with correct parameters. Compare dimensions for ARRAY_REFs only.
6776 (free_data_refs): Call macro to free access functions.
6777 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
6778 fields from stmt_vinfo.
6779 (struct base_object_info): New structure.
6780 (struct data_reference): Move fields to base_object_info. Add fields
6781 first_location and object_info for above structures. Move fields from
6782 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
6783 aligned_to. Add macros to access the new fields.
6784 Update functions declarations.
6785 * tree-flow.h (is_aliased_with): Declare.
6786 * tree-loop-linear.c (linear_transform_loops): Call
6787 compute_data_dependences_for_loop with correct parameters.
6788 * tree-ssa-alias.c (is_aliased_with): New function.
6789 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
6790 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
6791 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
6792 vect_base_addr_differ_p, compute_subscript_distance and
6793 build_classic_dist_vector. Add printings. Check absolute value of
6795 (vect_analyze_data_ref_dependences): Go through ddrs instead of
6797 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
6798 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
6799 to bytes. Add printing.
6800 (vect_compute_data_refs_alignment): Go through loads and stores in one
6802 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
6803 vect_analyze_data_ref_access): Likewise.
6804 (vect_analyze_pointer_ref_access): Remove.
6805 (vect_address_analysis, vect_object_analysis): Likewise.
6806 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
6807 and analyze data-refs in the loop.
6808 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
6809 fields of data-ref instead of stmt. Add init to the offset from the
6811 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
6812 (vect_update_init_of_dr): Likewise.
6813 (vect_update_inits_of_drs): Go through loads and stores in one loop.
6814 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
6816 (new_loop_vec_info): Initialize new fields.
6817 (destroy_loop_vec_info): Free new fields.
6818 (vect_strip_conversion): Remove.
6819 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
6820 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
6821 datarefs. Add new field ddrs.
6822 Add macros for the new fields access.
6823 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
6824 base_aligned_p, misalignment, memtag, ptr_info and subvars.
6825 Remove their macros.
6826 * tree.h (highest_pow2_factor): Declare.
6828 2005-07-25 Jakub Jelinek <jakub@redhat.com>
6830 * calls.c (store_one_arg): Check for sibling call MEM arguments
6831 from already clobbered incoming argument area.
6833 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6835 * c-common.c (check_missing_format_attribute): New.
6836 * c-common.h (check_missing_format_attribute): Likewise.
6837 * c-typeck.c (convert_for_assignment): Use it.
6839 2005-07-24 Andreas Schwab <schwab@suse.de>
6841 * config/m68k/m68k.md ("extendqidi2"): When source is an address
6842 register use a word move. Correct operand of ext.w in 68000 code.
6844 2005-07-23 Mark Mitchell <mark@codesourcery.com>
6846 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
6847 variables as declarations, rather than definitions.
6849 2005-07-24 Ira Rosen <irar@il.ibm.com>
6851 PR tree-optimization/22526
6852 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
6855 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6857 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
6858 that C99 reserve for future use. Use it to define clog10,
6859 clog10f and clog10l.
6861 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6863 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
6864 * configure.ac: Check for -Wmissing-format-attribute.
6866 * configure: Regenerate.
6868 2005-07-23 Richard Henderson <rth@redhat.com>
6870 PR tree-optimization/22623
6871 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
6873 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
6876 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
6878 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6880 * Makefile.in (C_TREE_H): Update dependencies.
6881 * c-tree.h: Include toplev.h.
6882 * diagnostic.h (diagnostic_set_info): Add format attribute.
6883 * rtl-error.c (diagnostic_for_asm): Likewise.
6885 2005-07-23 Chao-ying Fu <fu@mips.com>
6887 * config/mips/mips-dsp.md: New file.
6888 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
6889 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
6891 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
6892 MIPS_BUILTIN_BPOSGE32.
6893 (mips_expand_builtin_direct): Add one parameter to indicate that
6894 builtin functions need to return a value.
6895 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
6897 (mips_regno_to_class): Add classes for 12 new DSP registers.
6898 (mips_subword): Change to check four HI registers.
6899 (mips_output_move): Output move to and from 6 new DSP accumulators.
6900 (override_options): Make sure -mdsp and -mips16 are not used together.
6901 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
6903 (mips_conditional_register_usage): Disable 6 new DSP accumulators
6905 (print_operand): Add 'q' for printing DSP accumulators.
6906 (mips_cannot_change_mode_class): Check ACC_REGS.
6907 (mips_secondary_reload_class): Check ACC_REGS.
6908 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
6909 (mips_register_move_cost): Check ACC_REGS.
6910 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
6911 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
6912 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
6913 (dsp_bdesc): New array.
6914 (bdesc_arrays): Add DSP builtin function table.
6915 (mips_prepare_builtin_arg): Check predicate again after
6917 (mips_expand_builtin): Add one more parameter to
6918 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
6919 MIPS_BUILTIN_BPOSGE32.
6920 (mips_init_builtins): Initialize new function types.
6921 (mips_expand_builtin_direct): Check if builtin functions need to
6922 return a value and pass operands properly.
6923 (mips_expand_builtin_bposge): New function.
6924 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
6925 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
6926 (FIRST_PSEUDO_REGISTER): Increase to 188.
6927 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6928 Update for 12 new DSP registers.
6929 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
6930 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
6931 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
6932 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
6933 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
6934 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
6935 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
6936 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
6937 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
6938 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
6939 (REGISTER_NAMES): Add names for 12 new DSP registers.
6940 * config/mips/mips.md: Include mips-dsp.md.
6941 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
6942 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
6943 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
6944 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
6945 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
6946 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
6947 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
6948 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
6949 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
6950 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
6951 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
6952 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
6953 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
6954 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
6955 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
6956 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
6957 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
6958 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
6959 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
6960 (UNSPEC_RDDSP): New constants.
6961 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
6962 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
6964 * config/mips/mips.opt (-mdsp): New option.
6965 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
6966 (reg_imm10_operand): New predicates.
6967 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
6968 * doc/invoke.texi (-mdsp): Document new option.
6970 2005-07-22 DJ Delorie <dj@redhat.com>
6972 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
6974 * tree-inline.c (inlinable_function_p): Likewise.
6976 2005-07-22 Mark Mitchell <mark@codesourcery.com>
6979 * toplev.c (check_global_declarations): Do not mark undefined
6980 variables as DECL_IGNORED_P.
6981 * varasm.c (first_global_object_name): GTY it.
6982 (weak_global_object_name): Likewise.
6983 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
6984 a string to go into {weak,first}_global_object_name.
6986 2005-07-22 DJ Delorie <dj@redhat.com>
6988 * c-format.c (check_function_format): Change warning control
6989 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
6991 2005-07-22 Diego Novillo <dnovillo@redhat.com>
6993 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
6994 &PTR->FLD a dereference of PTR.
6995 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
6996 a potential dereference of PTR.
6998 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
7000 PR rtl-optimization/20370
7001 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
7002 call allocate_reg_info if necessary.
7004 PR rtl-optimization/21848
7005 * calls.c (emit_library_call_value_1): For const functions, add
7006 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
7008 PR rtl-optimization/22445
7009 * cselib.c (target.h): Include.
7010 (rtx_equal_for_cselib_p): Allow commutative matches.
7011 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
7012 Remove MODE parameter. Changed all callers.
7014 PR rtl-optimization/22258
7015 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
7017 (try_combine): Use likely_spilled_retval_p.
7019 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
7021 * config.gcc: Add crx-elf support.
7023 * doc/contrib.texi: Mention crx.
7024 * doc/extend.texi: Document crx extensions.
7025 * doc/install.texi: Document crx install.
7026 * doc/invoke.texi: Document crx options.
7027 * doc/md.texi: Document crx constraints.
7029 * config/crx/crx-protos.h: New file.
7030 * config/crx/crx.c: New file.
7031 * config/crx/crx.h: New file.
7032 * config/crx/crx.md: New file.
7033 * config/crx/crx.opt: New file.
7034 * config/crx/t-crx: New file.
7036 2005-07-22 Manfred Hollstein <mh@suse.com>
7038 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
7040 (int_add_graph_edge): Likewise.
7041 (collapse_nodes): Likewise.
7042 (process_unification_queue): Likewise.
7044 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7045 Laurent GUERBY <laurent@guerby.net>
7047 PR tree-optimization/22336
7048 * function.c (record_block_change): Check for
7049 cfun->ib_boundaries_block.
7051 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
7053 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7054 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7056 2005-07-21 DJ Delorie <dj@redhat.com>
7058 * toplev.c (warn_deprecated_use): Add warning control to warning
7060 * c-typeck.c (parser_build_binary_op): Likewise.
7061 (c_finish_if_stmt): Likewise.
7062 * c-common.c (check_function_sentinel): Likewise.
7063 (check_nonnull_arg): Likewise.
7065 2005-07-21 Richard Henderson <rth@redhat.com>
7068 * tree-complex.c (complex_ssa_name_components): New.
7069 (cvc_lookup): Allow entry not found.
7070 (create_components): Remove.
7071 (create_one_component_var, get_component_var): New.
7072 (get_component_ssa_name, set_component_ssa_name): New.
7073 (extract_component): Use get_component_ssa_name.
7074 (update_complex_components): Use set_component_ssa_name.
7075 (update_complex_components_on_edge): Likewise.
7076 (update_phi_components): Create new PHI nodes directly, instead
7077 of adding insns to edges.
7078 (tree_lower_complex): Allocate and free complex_variable_components
7079 and complex_ssa_name_components here.
7081 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
7083 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
7084 revert to returning false.
7086 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7089 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
7091 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7094 * config/i386/i386.md (cmpxf): Change operand constraints
7095 to "nonmemory_operand".
7097 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7099 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
7101 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7104 * fold-const.c (fold_build1): Add checksum for the operands.
7105 (fold_build2): Likewise.
7106 (fold_build3): Likewise.
7108 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7111 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
7113 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7115 * common.opt (-fforward-propagate): Committed by mistake,
7118 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7120 * reg-stack.c: Fix comment typo(s).
7121 * tree-ssa-operands.c: Likewise.
7122 * tree-vectorizer: Likewise.
7124 2005-07-21 Nick Clifton <nickc@redhat.com>
7126 * config/sh/symbian.c: Replace C++ style line comments with C
7127 style line comments.
7128 (symbian_add_attribute): Do not use a ? operator on the LHS of
7130 (sh_symbian_handle_dll_attribute): Change the type of the
7131 method vector to "VEC(tree,gc)*" and use vector accessor
7132 macros to walk over the elements.
7133 (symbian_export_vtable_and_rtti_p): Likewise.
7134 (symbian_class_needs_attribute_p): Likewise.
7136 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7139 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
7140 initialize targetm.resolve_overloaded_builtin here.
7141 (altivec_expand_overloaded_builtin): Make it non-static.
7142 * config/rs6000/rs6000-protos.h
7143 (altivec_expand_overloaded_builtin): New prototype.
7144 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
7145 targetm.resolve_overloaded_builtin here.
7146 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
7148 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7149 Zdenek Dvorak <dvorakz@suse.cz>
7151 PR tree-optimization/19210
7152 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
7154 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
7155 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
7156 rely on unproven assumptions.
7157 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
7158 * tree-flow.h (number_of_iterations_exit): Add final parameter.
7159 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
7160 to number_of_iterations_exit.
7161 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
7162 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
7163 * tree-ssa-loop-niter.c (find_loop_niter,
7164 estimate_numbers_of_iterations_loop): Likewise.
7165 (number_of_iterations_exit): Honor the new options.
7166 * doc/invoke.texi (Wunsafe-loop-optimizations,
7167 funsafe-loop-optimizations): Document them.
7169 2005-07-21 Richard Sandiford <richard@codesourcery.com>
7171 PR rtl-optimization/22167
7172 * gcse.c (hoist_code): Fix hoist_exprs[] check.
7174 2005-07-20 Adam Nemet <anemet@lnxw.com>
7176 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
7177 __do_global_dtors_aux longcall.
7179 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
7181 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
7182 (old_special_pred_table): Don't reference
7183 SPECIAL_MODE_PREDICATES.
7184 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
7185 * config/arc/arc.h: Don't mention PREDICATE_CODES.
7186 * config/sh/predicates.h: Don't mention
7187 SPECIAL_MODE_PREDICATES.
7188 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
7191 2005-07-20 DJ Delorie <dj@redhat.com>
7193 * config.gcc: Add m32c-elf support.
7195 * doc/contrib.texi: Mention m32c.
7196 * doc/extend.texi: Document m32c extensions.
7197 * doc/install.texi: Mention m32c.
7198 * doc/invoke.texi: Document m32c options.
7199 * doc/md.texi: Document m32c constraints.
7201 * config/m32c/addsub.md: New file.
7202 * config/m32c/bitops.md: New file.
7203 * config/m32c/cond.md: New file.
7204 * config/m32c/jump.md: New file.
7205 * config/m32c/m32c-lib1.S: New file.
7206 * config/m32c/m32c-lib2.c: New file.
7207 * config/m32c/m32c-modes.def: New file.
7208 * config/m32c/m32c-pragma.c: New file.
7209 * config/m32c/m32c-protos.h: New file.
7210 * config/m32c/m32c.abi: New file.
7211 * config/m32c/m32c.c: New file.
7212 * config/m32c/m32c.h: New file.
7213 * config/m32c/m32c.md: New file.
7214 * config/m32c/m32c.opt: New file.
7215 * config/m32c/minmax.md: New file.
7216 * config/m32c/mov.md: New file.
7217 * config/m32c/muldiv.md: New file.
7218 * config/m32c/predicates.md: New file.
7219 * config/m32c/prologue.md: New file.
7220 * config/m32c/shift.md: New file.
7221 * config/m32c/t-m32c: New file.
7223 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
7225 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7226 (stack_protect_set, stack_protect_test): New expanders.
7227 (stack_protect_set_si, stack_protect_set_si_media,
7228 stack_protect_set_di_media, stack_protect_test_si,
7229 stack_protect_test_si_media, stack_protect_test_di_media):
7232 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
7234 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
7236 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
7238 * tree.h (tree_expr_nonzero_p): Export.
7239 * fold-const.c (tree_expr_nonzero_p): Likewise.
7240 Return true for CALL_EXPRs that are alloca calls.
7241 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
7243 * tree-flow.h (expr_computes_nonzero): Remove.
7244 * tree-vrp.c (expr_computes_nonzero): Remove.
7245 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
7246 (extract_range_from_unary_expr): Likewise.
7247 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
7248 tree_expr_nonzero_p.
7250 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
7252 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
7253 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
7254 extra arg "picreg" and use it instead of pic_offset_table_rtx.
7255 All callers changed.
7256 (frame_related_constant_load): New arg "related" which controls
7257 setting of RTX_FRAME_RELATED_P. All callers changed.
7258 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
7259 (bfin_expand_prologue): Add stack limit checking.
7260 * config/bfin/bfin.md (trapifcc): New pattern.
7262 * config/bfin/bfin.c: Include "langhooks.h".
7263 (def_builtin): Go through lang_hooks to call builtin_function.
7265 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
7266 * config/bfin/predicates.md (symbol_ref_operand): New.
7267 (call_insn_operand): Delete. All callers changed to use
7268 register_no_elim_operand.
7269 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
7271 (function_arg): Use it to generate the call's operand 2.
7272 (bfin_longcall_p): New function.
7273 (bfin_expand_call): Extra arg "cookie". All callers and declaration
7274 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
7275 determine if the address needs to be in a REG.
7276 (bfin_handle_longcall_attribute): New function.
7277 (bfin_attribute_table): Add "longcall" and "shortcall".
7278 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
7279 (CUMULATIVE_ARGS): New member call_cookie.
7280 (PREDICATE_CODES): Add symbol_ref_operand.
7281 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
7282 extra USE to the pattern.
7283 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
7284 New patterns, split off call_insn, sibcall_insn, call_value_insn and
7285 sibcall_value_insn; now the new patterns handle direct calls and the
7286 old ones indirect calls.
7287 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
7289 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
7291 * doc/trouble.texi: Update section on handling of empty loops.
7293 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
7295 * config.gcc: Remove support for sparc-*-openbsd*,
7296 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
7298 * config.host: Remove support for i860-*-sysv4* as a host.
7299 * config/i860/*, config/ip2k/*, config/ns32k/*,
7300 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
7301 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
7302 mention obsolete ports.
7304 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
7306 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
7308 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
7309 of frame_pointer_rtx.
7310 (sh_expand_epilogue): Likewise.
7311 (sh_set_return_address): Likewise.
7312 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
7313 instead of FRAME_POINTER_REGNUM if needed. Add elimination
7314 offsets from FRAME_POINTER_REGNUM.
7315 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
7316 (sh_register_names): Add initializer for sfp.
7317 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
7318 (VALID_REGISTER_P): Likewise.
7319 (FIRST_PSEUDO_REGISTER): Update.
7320 (DWARF_FRAME_REGISTERS): Define.
7321 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
7322 (HARD_FRAME_POINTER_REGNUM): Define.
7323 (FRAME_POINTER_REGNUM): Redefine.
7324 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
7325 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
7326 from FRAME_POINTER_REGNUM.
7327 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
7328 FRAME_POINTER_REGNUM.
7329 (REG_CLASS_CONTENTS): Add sfp.
7330 (REG_ALLOC_ORDER): Likewise.
7331 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
7332 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
7333 of frame_pointer_rtx.
7334 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
7336 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
7338 * fold-const.c (tree_expr_nonnegative_p): Only return true for
7339 ABS_EXPR when flag_wrapv is false because of INT_MIN.
7340 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
7342 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
7345 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
7347 Make CONSTRUCTOR use VEC to store initializers.
7348 * c-common.c (complete_array_type): Update to cope with VEC in
7350 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
7351 (pp_c_constructor_elts): New function.
7352 * c-pretty-print.h (pp_c_constructor_elts): Declare.
7353 * c-typeck.c (build_function_call, build_c_cast, digest_init,
7354 struct constructor_stack, struct initializer_stack,
7355 constructor_elements, push_init_level, pop_init_level,
7356 add_pending_init, find_init_member, output_init_element): Update to
7357 cope with VEC in CONSTRUCTOR_ELTS.
7358 * coverage.c (build_fn_info_value, build_ctr_info_value,
7359 build_gcov_info): Likewise.
7360 * expr.c (categorize_ctor_elements_1, store_constructor,
7361 expand_expr_real_1): Likewise.
7362 * fold-const.c (fold_ternary): Likewise.
7363 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
7364 gimplify_init_constructor, gimplify_expr): Likewise.
7365 * tree-dump.c (dequeue_and_dump): Likewise.
7366 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
7368 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
7370 * tree-sra.c (generate_element_init_1): Likewise.
7371 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
7372 * tree-ssa-operands.c (get_expr_operands): Likewise.
7373 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
7374 * tree-vect-transform.c (vect_get_vec_def_for_operand):
7375 (get_initial_def_for_reduction): Likewise.
7376 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
7377 value handle in annotations.
7378 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
7379 tree_node_structure): Add support for constr_kind.
7380 (build_vector_from_ctor, build_constructor_single,
7381 build_constructor_from_list): New functions.
7382 (build_constructor): Update to take a VEC instead of a TREE_LIST.
7383 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
7384 Update to cope with VEC in CONSTRUCTOR_ELTS.
7385 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
7386 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
7387 CONSTRUCTOR_APPEND_ELT): New macros.
7388 (struct constructor_elt, struct tree_constructor): New data types.
7389 (union tree_node): Add tree_constructor field.
7390 * treestruct.def: Define TS_CONSTRUCTOR.
7391 * varasm.c (const_hash_1, compare_constant, copy_constant,
7392 compute_reloc_for_constant, output_addressed_constants,
7393 initializer_constant_valid_p, output_constant,
7394 array_size_for_constructor, output_constructor): Update to cope with
7395 VEC in CONSTRUCTOR_ELTS.
7396 * vec.h (VEC_empty, VEC_copy): New macros.
7398 2005-07-19 Devang Patel <dpatel@apple.com>
7400 * dbxout.c (dbxout_type): Check Objective-C++ lang.
7402 2005-07-19 Richard Henderson <rth@redhat.com>
7405 * gimplify.c (gimplify_expr): Use main variant type for the temp
7406 destination for a discarded volatile read.
7407 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
7408 casts between non-void types that change volatility.
7410 2005-07-15 DJ Delorie <dj@redhat.com>
7412 * toplev.h: Add comment about the first parameter for warning().
7413 * errors.h: Likewise.
7415 * c.opt (Wpragmas): New.
7416 * doc/invoke.texi: Document it.
7418 * function.c (do_warn_unused_parameter): Add warning control to
7420 * c-decl.c (warn_if_shadowing): Likewise.
7421 * c-lex.c (cb_def_pragma): Likewise.
7422 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
7423 (pop_alignment): Likewise.
7424 (handle_pragma_pack): Likewise.
7425 (apply_pragma_weak): Likewise.
7426 (handle_pragma_weak): Likewise.
7427 (handle_pragma_redefine_extname): Likewise.
7428 (add_to_renaming_pragma_list): Likewise.
7429 (handle_pragma_extern_prefix): Likewise.
7430 (maybe_apply_renaming_pragma): Likewise.
7431 (handle_pragma_visibility): Likewise.
7433 * config/c4x/c4x-c.c (BAD): Likewise.
7434 (c4x_parse_pragma): Likewise.
7435 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
7436 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
7437 (rs6000_pragma_longcall): Likewise.
7438 * config/v850/v850-c.c (pop_data_area): Likewise.
7439 (ghs_pragma_section): Likewise.
7440 (ghs_pragma_section): Likewise.
7441 (ghs_pragma_interrupt): Likewise.
7442 (ghs_pragma_starttda): Likewise.
7443 (ghs_pragma_startsda): Likewise.
7444 (ghs_pragma_startzda): Likewise.
7445 (ghs_pragma_endtda): Likewise.
7446 (ghs_pragma_endsda): Likewise.
7447 (ghs_pragma_endzda): Likewise.
7449 2005-07-19 Danny Berlin <dberlin@dberlin.org>
7450 Kenneth Zadeck <zadeck@naturalbridge.com>
7452 * Makefile.in: Removed tree-promote-statics.c
7453 * tree-promote-statics.c: Removed.
7454 * common.opt: Removed flag-promote-statics.
7456 * passes.c: Removed tree-promote-statics pass.
7457 * tree-pass.h: Ditto.
7458 * timevar.def: Removed TV_PROMOTE_STATICS.
7461 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
7463 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
7465 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
7467 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7470 * c-common.c (check_function_arguments): Call
7471 'check_function_format' if either -Wformat or
7472 -Wmissing-format-attribute are specified.
7473 * c-format.c (check_function_format): Check -Wformat before
7474 calling 'check_format_info'.
7475 * c-opts.c (c_common_post_options): Don't warn for
7476 -Wmissing-format-attribute without -Wformat.
7477 * c-typeck.c (convert_for_assignment): Detect additional cases for
7478 -Wmissing-format-attribute.
7479 * doc/invoke.texi (-Wmissing-format-attribute): Document new
7482 2005-07-19 Richard Guenther <rguenther@suse.de>
7484 * config/i386/i386.md (lrint<mode>2): Use temporary
7485 instead of clobbering non-existent memory.
7487 2005-07-19 Nick Clifton <nickc@redhat.com>
7489 * config/avr/avr.c (legitimate_address_p): Fix debugging print
7490 statement to avoid displaying ASCII control characters.
7492 2005-07-19 Ben Elliston <bje@au.ibm.com>
7494 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
7495 * cfganal.c (find_edge_index): Ditto.
7496 * combine.c (combine_instructions): Ditto.
7497 * ddg.c (create_scc): Ditto.
7498 (find_successors): Ditto.
7499 (find_predecessors): Ditto.
7500 (find_nodes_on_paths): Ditto.
7501 (longest_simple_path): Ditto.
7502 * flow.c (update_life_info): Ditto.
7503 (count_or_remove_death_notes): Ditto.
7504 (clear_log_links): Ditto.
7505 * modulo-sched.c (generate_reg_moves): Ditto.
7506 (find_max_asap): Ditto.
7507 (find_max_hv_min_mob): Ditto.
7508 (find_max_dv_min_mob): Ditto.
7509 * sbitmap.c (sbitmap_first_set_bit): Ditto.
7510 * sched-rgn.c (extract_edgelst): Ditto.
7511 * tree-into-ssa.c (prepare_names_to_update): Ditto.
7512 (dump_update_ssa): Ditto.
7513 (ssa_names_to_replace) Ditto.
7514 (switch_virtuals_to_full_rewrite): Ditto.
7515 (update_ssa): Ditto.
7516 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
7518 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
7520 Fix PR tree-optimization/22483
7522 * tree-complex.c (create_components): Use
7523 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
7524 * tree-flow-inline.h (fill_referenced_var_vec): New function.
7525 * tree-flow.h (safe_referenced_var_iterator): New structure.
7526 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
7527 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
7528 safe_referenced_var iterator.
7529 (add_type_alias): Ditto.
7531 2005-07-19 Steven Bosscher <stevenb@suse.de>
7533 * loop-init.c (rest_of_handle_loop2): Remove.
7534 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
7535 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
7536 (pass_rtl_loop_init, pass_rtl_loop_done,
7537 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
7538 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
7539 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
7540 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
7541 pass_tree_loop_done, and pass_tree_unswitch.
7542 (gate_loop): Rename to gate_tree_loop.
7543 * passes.c (init_optimization_passes): Update for renamed tree
7544 loop passes. Add the new loop2 passes as subpasses of loop2.
7545 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
7546 Update for the renamed tree loop passes.
7548 2005-07-18 Ian Lance Taylor <ian@airs.com>
7551 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
7552 blocks when optimizing.
7554 2005-07-18 Steve Ellcey <sje@cup.hp.com>
7556 * common.opt (frename-registers): Initialize to 2.
7558 (fgcse-after-reload): Ditto.
7559 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
7560 (process_options): Only change flag_web, flag_rename_registers,
7561 and flag_rerun_cse_after_loop if not explicitly set by user.
7563 2005-07-18 Jan Beulich <jbeulich@novell.com>
7565 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
7566 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
7567 in 64-bit mode the same as DImode in 32-bit mode.
7568 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
7569 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
7570 mode. Add new mode parameter.
7571 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
7572 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
7573 x86_64_shift_adj): New expanders.
7574 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
7575 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
7577 Respective new splitters. Use renamed shift splitter helpers in 32-bit
7578 DImode shift splitters.
7579 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
7580 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
7583 2005-07-18 Jan Beulich <jbeulich@novell.com>
7585 * i386.md (movdi_extzv_1): New.
7586 (zero_extendhidi2): Combine alternatives and never force use of
7588 (zero_extendqidi2): Likewise. Don't restrict input selection.
7590 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7592 Fix PR tree-optimization/22531
7593 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
7596 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7598 * tree-promote-statics.c (pass_promote_statics): Change dump file
7601 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7603 * tree-optimize.c (init_tree_optimization_passes): Add
7604 pass_eliminate_useless_stores pass.
7605 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
7606 * tree-ssa-pre.c (is_copy_stmt): New function.
7607 (follow_copies_till_vuse): Ditto.
7608 (do_eustores): Ditto.
7609 (gate_eustores): Ditto.
7611 2005-07-16 Richard Henderson <rth@redhat.com>
7613 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
7615 2005-07-16 Danny Berlin <dberlin@dberlin.org>
7616 Kenneth Zadeck <zadeck@naturalbridge.com>
7618 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
7619 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
7620 ipa-type-escape.h, tree-promote-statics.c
7621 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
7622 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
7623 tree-promote-statics.c: new files.
7624 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
7625 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
7626 int nonlocal_set_p, mark_constant_function): Deleted.
7627 (rest_of_handle_cfg): Removed call to mark_constant_function.
7628 (nonoverlapping_component_refs_p): Added calls to support
7629 type based aliasing.
7630 * tree-ssa-alias.c (may_alias_p,
7631 compute_flow_insensitive_aliasing): Ditto.
7632 * calls.c (flags_from_decl_or_type): Removed reference to
7634 * c-typeck.c (convert_arguments): Make builtins tolerant of having
7635 too many arguments. This is necessary for Spec 2000.
7636 * cgraph.h (const_function, pure_function): Removed.
7637 * common.opt: Added "fipa-pure-const", "fipa-reference",
7638 "fipa-type-escape", and "ftree-promote-static".
7640 * passes.c: Added ipa and tree-promote-statics passes.
7641 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
7642 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
7643 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
7644 * tree-flow.h: Added exposed sra calls and addition of
7645 reference_vars_info field for FUNCTION_DECLS.
7646 * tree-pass.h: Added passes.
7647 * tree-sra.c: (sra_init_cache): New function.
7648 (sra_insert_before, sra_insert_after) Made public.
7649 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
7651 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
7652 aliasing. (may_alias_p): Added code to use type escape analysis to
7654 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
7655 code to prune clobbers of static variables based on information
7656 produced in ipa-reference pass. Changed call clobbering so that
7657 statics are not marked as clobbered if the call does not clobber
7660 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
7662 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
7665 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7667 * doc/install.texi (*-*-solaris2*): Document recommended version
7668 of GNU binutils and mention GNU linker problem on Solaris 10.
7670 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
7673 * c-decl.c (c_build_bitfield_integer_type): New function.
7674 (finish_struct): Call it.
7675 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
7677 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7679 * c-typeck.c (digest_init): Call 'convert_for_assignment'
7682 2005-07-16 Jan Hubicka <jh@suse.cz>
7684 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
7685 (scale_bbs_frequencies_int): Watch roundoff errors.
7686 * predict.c (return_prediction): Initialize return_stmt.
7688 2005-07-16 Jan Hubicka <jh@suse.cz>
7690 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
7691 after RTL profiling.
7693 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
7696 * fold-const.c (build_range_check): Convert high/low to etype
7697 if we are only comparing against exp.
7699 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
7701 Fix PR tree-optimization/22376
7702 * tree-ssa-structalias.c (build_constraint_graph): We really meant
7704 (need_to_solve): New function.
7705 (compute_points_to_sets): Use it.
7707 2005-07-15 Jan Hubicka <jh@suse.cz>
7709 * cfg.c (update_bb_profile_for_threading): More diagnostic.
7710 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
7712 2005-07-15 Richard Guenther <rguenther@suse.de>
7714 * c-common.c (handle_flatten_attribute): New function.
7715 Add flatten function attribute.
7716 * doc/extend.texi: Document flatten function attribute.
7717 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
7718 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
7720 (cgraph_decide_inlining): Handle functions with flatten
7723 2005-07-14 David Edelsohn <edelsohn@gnu.org>
7725 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
7726 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
7727 UNSPEC_XCHG, UNSPEC_AND): New.
7728 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
7729 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
7730 * config/rs6000/sync.md (FETCHOP): New code macro.
7731 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
7733 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
7734 (sync_compare_and_swap<mode>): Same.
7735 (sync_lock_test_and_set<mode>): Same.
7736 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
7737 for QImode and HImode, and not PPC405.
7738 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
7739 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
7740 (sync_<fetchop>{si,di}_internal): New.
7741 (sync_nand{si,di}_internal): New.
7742 (sync_old_<fetchop>{si,di}_internal): New.
7743 (sync_old_nand{si,di}_internal): New
7744 (sync_new_<fetchop>{si,di}_internal): New.
7745 (sync_new_nand{si,di}_internal): New.
7746 (atomic_and{si,di}): New.
7747 (sync_new_nand{si,di}_internal): New.
7748 (atomic_and{si,di}): New.
7749 (sync_add<mode>_internal): Delete.
7750 (sync_addshort_internal): Use unspec instead of unspec_volatile.
7751 (sync_sub<mode>_internal): Delte.
7752 (sync_subshort_internal): New.
7753 (sync_andsi_internal): Use unspec instead of unspec_volatile.
7754 (sync_anddi_internal): Delete.
7755 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
7756 (sync_booldi_internal): Delete.
7757 (sync_boolc<mode>_internal): Delete.
7758 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
7759 (sync_boolc<mode>_internal2): Delete.
7760 (sync_boolcc<mode>_internal): Delete.
7761 (isync, lwsync): Use unspec instead of unspec_volatile.
7762 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
7763 Revert UNSPEC_VOLATILE.
7764 (rs6000_split_atomic_op): New.
7765 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
7767 2005-07-14 Eric Christopher <echristo@redhat.com>
7769 * config/mips/mips.c (mips_canonicalize_comparison): Cast
7770 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
7772 2005-07-14 Eric Christopher <echristo@redhat.com>
7774 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
7776 2005-07-14 Steven Bosscher <stevenb@suse.de>
7778 PR tree-optimization/22230
7779 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
7780 the computation of the four cross productions for "range op range".
7782 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
7783 Ulrich Weigand <uweigand@de.ibm.com>
7786 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
7789 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7791 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
7793 2005-07-14 Steve Ellcey <sje@cup.hp.com>
7795 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
7797 2005-07-14 Richard Guenther <rguenther@suse.de>
7800 * config/i386/i386-protos.h (ix86_function_value): Change
7801 prototype to match new target hook.
7802 * config/i386/i386.c (ix86_value_regno): Change prototype
7803 to take extra type argument.
7804 (TARGET_FUNCTION_VALUE): Define.
7805 (ix86_function_ok_for_sibcall): Pass extra argument to
7806 ix86_value_regno, check return slot rtx for exact match.
7807 (ix86_function_value): Take extra parameter. Dispatch to
7808 ix86_value_regno with fndecl/fntype as provided.
7809 (ix86_value_regno): Handle extra type argument.
7810 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
7812 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
7813 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
7814 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
7815 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
7816 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
7818 2005-07-14 Richard Guenther <rguenther@suse.de>
7820 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
7821 * calls.c (expand_call): Pass fntype to hard_function_value.
7822 (emit_library_call_value_1): Likewise.
7823 * explow.c: Include target.h.
7824 (hard_function_value): Take extra argument, the fntype.
7825 Use new target hook for function_value.
7826 * expr.h (hard_function_value): Change prototype.
7827 * function.c (aggregate_value_p): Pass 0 as fntype to
7828 hard_function_value.
7829 (assign_parms): Use new target hook for function_value.
7830 Pass 0 as fntype to hard_function_value.
7831 (expand_function_end): Likewise.
7832 * reg-stack.c: Include target.h.
7833 (stack_result): Use new target hook for function_value.
7834 * target-def.h: New target hook function_value.
7835 * target.h: Likewise.
7836 * targhooks.c (default_function_value): New function.
7837 * targhooks.h (default_function_value): Declare.
7839 2005-07-13 Ian Lance Taylor <ian@airs.com>
7841 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7843 2005-07-14 Jan Hubicka <jh@suse.cz>
7845 * tree-dfa.c (dump_variable): Use default_def function.
7846 * tree-ssa-alias.c (dump_points_to_info): Likewise.
7847 * tree-ssa.c (verify_use): Likewise.
7848 * tree-ssanames.c (release_ssa_name): Likewise.
7849 * tree-tailcall.c (eliminate_tail_call): Likewise.
7850 (tree_optimize_tail_calls_1): Likewise.
7851 * tree-vrp.c (get_value_range): Likewise.
7853 2005-07-14 Ben Elliston <bje@au.ibm.com>
7855 * gcc.c (main): Compare language[0] with '*' when iterating over
7858 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7860 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
7861 "s390_emit_compare". Add handling of CCZ1mode.
7862 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
7863 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
7865 (s390_branch_condition_mask): Add CCZ1mode handling.
7866 * config/s390/s390.md: ("seq", "*seq"): New pattern.
7867 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
7868 Use CCZ1mode instead of CCZmode.
7869 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
7871 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7873 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
7875 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
7877 2005-07-13 Eric Christopher <echristo@redhat.com>
7879 * config/mips/mips.c (mips_canonicalize_comparison): New.
7880 (mips_emit_int_relational): Use.
7882 2005-07-13 Eric Christopher <echristo@redhat.com>
7884 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7886 * config/s390/s390.md: Include tpf.md. Move tpf specific
7888 * config/s390/tpf.md: To here.
7889 * config/s390/s390.opt: Move tpf specific options...
7890 * config/s390/tpf.opt: to here. Add mmain option.
7891 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7892 * config/s390/tpf.h: Rewrite.
7894 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7896 * doc/tm.texi: Remove @xref{Cross-profiling}.
7898 2005-07-13 Jeff Law <law@redhat.com>
7900 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
7901 expressions, test their _DECL operands for pointer equality rather
7902 than using operand_equal_p.
7904 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7906 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
7907 (TARGET_POSIX_IO): This.
7908 * config/darwin.h: Likewise.
7909 * config/freebsd.h: Likewise.
7910 * config/linux.h: Likewise.
7911 * config/lynx.h: Likewise.
7912 * config/netbsd.h: Likewise.
7913 * config/rs6000/linux64.h: Likewise.
7914 * config/rs6000/linux.h: Likewise.
7915 * config/s390/tpf.h: Likewise.
7916 * config/sh/embed-elf.h: Likewise.
7917 * config/sparc/linux64.h: Likewise.
7918 * config/sparc/linux.h: Likewise.
7919 * config/svr4.h: Likewise.
7920 * gcov-io.h: Likewise.
7922 * doc/tm.texi: Updated.
7924 * libgcov.c (create_file_directory): Defined only if
7925 TARGET_POSIX_IO is defined.
7926 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
7929 2005-07-13 Jan Hubicka <jh@suse.cz>
7931 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
7933 2005-07-13 David Edelsohn <edelsohn@gnu.org>
7935 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
7936 structure as argument.
7938 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
7940 PR tree-optimization/21921
7941 * tree-iterator.c (tsi_link_before): Support the case when
7942 tsi_end_p (tsi) == true.
7944 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7946 PR tree-optimization/22442
7947 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
7950 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7952 PR rtl-optimization/20376
7953 * toplev.c (process_options): Enable -fweb and -frename-registers when
7955 * doc/invoke.texi: Update the information about when -fweb and
7956 -frename-registers are enabled.
7958 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7961 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
7962 if *rhs_p is not a SSA_NAME.
7964 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
7966 Fix PR tree-optimization/22422
7967 * tree-ssa-structalias.c (struct variable_info): Add flag for
7969 (get_varinfo): Now a static function.
7970 (new_varinfo): init has_union and is_special_var to false.
7971 (solution_set_add): Check has_union.
7972 (do_da_constraint): Move temporary variable so it gets reset
7974 Also check for special variable.
7975 (do_ds_constraint): Ditto.
7976 (do_sd_constraint): Ditto.
7977 (do_structure_copy): Check for special variable.
7978 (find_func_aliases): Ditto.
7979 (init_base_vars): Set special vars properly.
7981 2005-07-13 Jan Hubicka <jh@suse.cz>
7983 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
7986 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
7987 (get_expr_operands): Fix thinko wrt flags and subvars.
7989 PR tree-optimize/22379
7990 * tree-inline.c (expand_call_inline): Do not output sorry in early
7993 2005-07-12 Dale Johannesen <dalej@apple.com>
7995 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
7997 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8000 * host-linux.h: Include limits.h.
8002 2005-07-12 Dale Johannesen <dalej@apple.com>
8004 * expr.c (compress_float_constant): Add cost check.
8005 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
8007 2005-07-12 Dale Johannesen <dalej@apple.com>
8009 * gcc.target/i386/compress-float-sse.c: New.
8010 * gcc.target/i386/compress-float-sse-pic.c: New.
8011 * gcc.target/i386/compress-float-387.c: New.
8012 * gcc.target/i386/compress-float-387-pic.c: New.
8013 * gcc.dg/compress-float-ppc.c: New.
8014 * gcc.dg/compress-float-ppc-pic.c: New.
8016 2005-07-12 Eric Christopher <echristo@redhat.com>
8018 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8020 * config/s390/s390.md: Include tpf.md. Move tpf specific
8022 * config/s390/tpf.md: To here.
8023 * config/s390/s390.opt: Move tpf specific options...
8024 * config/s390/tpf.opt: to here. Add mmain option.
8025 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8026 * config/s390/tpf.h: Rewrite.
8028 2005-07-12 Eric Christopher <echristo@redhat.com>
8030 * gcc.c (struct infile): Update comment for language.
8031 (main): Rewrite input file resetting code.
8033 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8036 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
8037 requiring a cast in a non RHS of modify_expr. Add a cast when required.
8038 (lookup_avail_expr): Use constant_boolean_node instead
8039 of boolean_false_node/boolean_true_node.
8041 2005-07-12 Ben Elliston <bje@au.ibm.com>
8043 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
8044 and use it when printing num_edges.
8046 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
8048 * doc/extend.texi (Blackfin Built-in Functions): New section.
8049 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
8052 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
8054 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8055 s/cmpstrsi/cmpstrnsi
8056 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8058 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8059 (init_optabs): Initialize cmpstrn_optab.
8060 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8061 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8062 * expr.c: (enum insn_code cmpstrn_optab): Declare.
8063 * config/i386/i386.md: s/cmpstr/cmpstrn
8064 * config/c4x/c4x.md: s/cmpstr/cmpstrn
8065 * doc/md.texi: Update documentation.
8067 2005-07-11 Richard Henderson <rth@redhat.com>
8069 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
8070 build_va_arg_indirect_ref.
8071 (alpha_gimplify_va_arg): Likewise.
8072 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
8073 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8074 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
8075 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
8076 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8077 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
8079 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8081 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8083 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
8084 * passes.c (init_optimization_passes): Add pass_empty_loop.
8085 * tree-pass.h (pass_empty_loop): Declare.
8086 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
8087 try_remove_empty_loop, remove_empty_loops): New functions.
8088 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
8089 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
8091 2005-07-12 Peter Barada <peter@the-baradas.com>
8095 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
8096 in address registers.
8097 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
8098 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
8099 alternative of addsi3_5200.
8101 2005-07-11 Ian Lance Taylor <ian@airs.com>
8103 * config/mips/mips.md (ffs<mode>2): Remove.
8105 2005-07-11 Ian Lance Taylor <ian@airs.com>
8107 * doc/tree-ssa.texi (Cleanups): Improve description of
8109 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
8111 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8113 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
8114 * tree.h (DECL_ARGUMENT_FLD): New macro.
8116 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8118 Fix PR tree-optimization/22404
8120 * tree-ssa-structalias.c (create_variable_info_for): Use
8123 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
8125 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
8126 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
8127 for second comparison operand.
8128 * config/bfin/predicates.md (reg_or_const_int_operand): New.
8130 * config/bfin/bfin.md (define_attr "type"): Add "sync".
8131 (define_insn_reservation "alu"): Likewise.
8132 (csync, ssync): Now of type sync.
8133 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
8134 -mcsync-anomaly -mspecld-anomaly.
8135 * config/bfin/bfin.opt (mcsync): Remove.
8136 (mcsync-anomaly, mspecld-anomaly): Add.
8137 * config/bfin/bfin.c: Include "insn-codes.h".
8138 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
8139 (TARGET_DEFAULT_TARGET_FLAGS): New.
8140 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
8142 2005-07-11 Steven Bosscher <stevenb@suse.de>
8144 * basic-block.h: Give the BB flags enum a name, bb_flags.
8145 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
8146 * cfgcleanup.c (enum bb_flags): Remove here.
8147 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
8148 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
8149 (update_forwarder_flag): Likewise.
8150 (thread_jump): Likewise.
8151 (try_forward_edges): Likewise.
8152 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
8153 forwarder flags. Don't clear bb->aux for all basic blocks. Only
8154 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
8156 2005-07-11 Richard Guenther <rguenther@suse.de>
8158 * config/i386/i386.opt: New target option -msseregparm.
8159 * config/i386/i386.c (override_options): Error out for
8160 -msseregparm but no SSE support.
8161 (ix86_function_sseregparm): Check for global sseregparm.
8162 * doc/invoke.texi: Document -msseregparm.
8164 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8166 * config.gcc (m32r-*-linux*): Use the default extra_parts.
8167 (m32rle-*-linux*): Ditto.
8169 2005-07-11 Jakub Jelinek <jakub@redhat.com>
8171 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
8172 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
8175 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8179 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
8180 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
8182 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
8184 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
8185 (varmap): Heapify varmap.
8186 (constraints): Heapify constraints.
8187 (struct constraint_graph): Heapify succs and preds.
8188 (constraint_vec_find): Update for heapification.
8189 (constraint_set_union): Ditto.
8190 (insert_into_complex): Ditto.
8191 (constraint_edge_vec_find): Ditto.
8192 (erase_graph_self_edge): Ditto.
8193 (add_graph_edge): Ditto.
8194 (get_graph_weights): Ditto.
8195 (merge_graph_nodes): Ditto.
8196 (build_constraint_graph): Ditto.
8197 (topo_visit): Ditto.
8198 (solve_graph): Ditto.
8199 (create_variable_info_for): Ditto.
8200 (init_base_vars): Ditto.
8201 (delete_points_to_sets): Free graph, varmap, and complex constraints.
8202 (condese_varmap_nodes): Free complex vector.
8203 (clear_edges_for_node): Clear succs and preds vector.
8205 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
8207 * tree-ssa-structalias.c (update_alias_info): Change counting of
8208 references to not include vdefs.
8210 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
8212 * tree-ssa-alias.c (free_used_part_map): Add missing free.
8215 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8217 * pa.c (pa_commutative_p): Make PLUS commutative when
8218 TARGET_NO_SPACE_REGS is true.
8220 2005-07-09 Diego Novillo <dnovillo@redhat.com>
8222 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
8223 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
8224 * tree-dfa.c (dump_subvars_for): New.
8225 (debug_subvars_for): New.
8226 (dump_variable): Show subvariables if VAR has them.
8227 * tree-flow-inline.h (get_subvar_at): New.
8228 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
8229 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
8231 (struct subvar): Change fields offset and size to unsigned
8233 (dump_subvars_for): Declare.
8234 (debug_subvars_for): Declare.
8235 (get_subvar_at): Declare.
8236 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
8237 to unsigned HOST_WIDE_INT *.
8238 (overlap_subvar): Likewise.
8239 * tree-gimple.c (is_gimple_reg): Always return false for
8240 SFTs and memory tags.
8241 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
8243 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
8244 (compute_may_aliases): Call compute_points_to_sets.
8245 (collect_points_to_info_for): Remove.
8246 (compute_points_to_and_addr_escape): Remove.
8247 (delete_alias_info): Call delete_points_to_sets.
8248 (compute_flow_sensitive_aliasing): If the call to
8249 find_what_p_points_to returns false, call set_pt_anything.
8250 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
8251 (set_pt_anything): Clear pi->pt_vars.
8252 (set_pt_malloc): Remove.
8253 (merge_pointed_to_info): Remove.
8254 (add_pointed_to_expr): Remove.
8255 (add_pointed_to_var): Remove.
8256 (collect_points_to_info_r): Remove.
8257 (is_escape_site): Make extern.
8259 (create_overlap_variables_for): Call it.
8260 * tree-ssa-copy.c (merge_alias_info): Never merge
8261 flow-sensitive alias information.
8262 * tree-ssa-operands.c (get_expr_operands): Adjust variables
8263 offset and size to be unsigned HOST_WIDE_INT.
8264 (add_to_addressable_set): Rename from note_addressable.
8265 Set TREE_ADDRESSABLE as the variables are added to the set.
8267 (add_stmt_operand): Do not try to micro-optimize unmodifiable
8268 operands into VUSEs when adding V_MAY_DEFs for members in an
8270 * tree-ssa-operands.h (add_to_addressable_set): Declare.
8271 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
8272 (struct variable_info): Add bitfield is_heap_var.
8273 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
8274 (new_var_info): Initialize is_heap_var.
8275 (get_constraint_for): Add HEAP variables to the symbol table.
8276 Mark them with is_heap_var.
8277 (update_alias_info): New. Taken mostly from the old
8278 compute_points_to_and_addr_escape.
8279 (handle_ptr_arith): New.
8280 (find_func_aliases): Call update_alias_info.
8281 Call handle_ptr_info for tcc_binary expressions.
8282 Call mark_stmt_modified.
8283 (create_variable_info_for): If DECL has subvars, do not create
8284 variables for its subvars. Always add all the fields.
8285 (set_uids_in_ptset): If the solution includes ANYOFFSET and
8286 SFTs, then add all the SFTs of the structure.
8287 If VI->DECL is an aggregate with subvariables, add the SFT at
8289 (find_what_p_points_to): If VI is an artificial variable,
8290 translate to bitfields in SSA_NAME_PTR_INFO.
8291 If the solution is empty, set pi->pt_vars to NULL
8292 (init_base_vars): Create ANYOFFSET.
8293 (compute_points_to_sets): Rename from create_alias_vars.
8295 (pass_build_pta): Remove.
8296 (delete_points_to_sets): Rename from delete_alias_vars.
8297 (pass_del_pta): Remove.
8298 * tree-ssa-structalias.h (struct alias_info): Move from
8300 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
8301 NUM_REFERENCES_SET): Likewise.
8302 (compute_points_to_sets, delete_points_to_sets): Declare.
8304 2005-07-09 Richard Henderson <rth@redhat.com>
8306 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
8307 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
8308 alpha_split_lock_test_and_set_12): New functions.
8309 * config/alpha/alpha-protos.h: Update.
8310 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
8311 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
8312 * config/alpha/sync.md (I12MODE): New.
8313 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
8314 (sync_<fetchop_name><I48MODE>): Likewise.
8315 (sync_nand<I48MODE>): Likewise.
8316 (sync_old_<fetchop_name><I48MODE>): Likewise.
8317 (sync_new_<fetchop_name><I48MODE>): Likewise.
8318 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
8319 (sync_compare_and_swap<I48MODE>): Likewise.
8320 (sync_lock_test_and_set<I48MODE>): Likewise.
8321 (sync_compare_and_swap<I12MODE>): New.
8322 (sync_compare_and_swap<I12MODE>_1): New.
8323 (sync_lock_test_and_set<I12MODE>): New.
8324 (sync_lock_test_and_set<I12MODE>_1): New.
8326 2005-07-09 Diego Novillo <dnovillo@redhat.com>
8330 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
8332 2005-07-09 Jakub Jelinek <jakub@redhat.com>
8334 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
8335 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
8337 2005-07-09 Richard SAndiford <richard@codesourcery.com>
8340 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8342 2005-07-08 David Edelsohn <edelsohn@gnu.org>
8344 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
8345 memory_operand constraint.
8346 (store_conditional_<mode>): Same.
8347 (sync_compare_and_swap<mode>): Same.
8348 (sync_lock_test_and_set<mode>): Same.
8350 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
8352 Rewrite PIC support to more closely model actual instructions.
8353 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
8354 (cris_symbol): Remove prototypes for removed functions.
8355 (cris_pic_symbol_type_of, cris_valid_pic_const)
8356 (cris_expand_pic_call_address): Prototypes for new functions.
8357 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
8359 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
8361 <case ':'>: Add case for new punctuation character.
8362 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
8363 emitting (extra) PIC modifier.
8364 <case UNSPEC>: Do not assert for PLT.
8365 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
8366 (cris_expand_prologue, cris_expand_epilogue): Check
8367 for pic_offset_table_rtx usage instead of taking
8368 current_function_uses_pic_offset_table as the final word.
8369 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
8370 Remove flag_pic difference.
8371 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
8372 the moral equivalents of...
8373 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
8375 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
8376 (cris_handle_option): Mark ARG as unused.
8377 (cris_expand_pic_call_address): New worker function for "call",
8379 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
8380 output PIC constructs here.
8381 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
8382 as symbol-specific modifers, not whole or part of operands.
8383 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
8384 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
8385 constants and flag_pic.
8386 (CONSTANT_INDEX_P): Adjust for new functions.
8387 (enum cris_pic_symbol_type): New helper type.
8388 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
8389 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
8390 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
8392 ("movsi"): Emit actual instructions for GOT and relative access.
8393 ("*movsi_got_load"): New pattern to set up the register holding
8395 ("*movsi_internal"): Operand 1 is not a plain general_operand.
8396 Adjust FIXME for 'S'.
8397 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
8398 Use "movs" for -fpic cases.
8399 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
8400 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
8401 ("call", "call_value"): Just call cris_expand_pic_call_address for
8403 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
8404 Remove special pattern.
8405 ("*expanded_call_side", "*expanded_call_value_side"): New
8407 (gotplt-to-plt, gotplt-to-plt-side-call)
8408 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
8410 * config/cris/cris/predicates.md
8411 ("cris_general_operand_or_gotless_symbol"): Remove unused
8413 ("cris_general_operand_or_symbol"): Adjust for new functions.
8415 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8417 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
8419 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
8421 * Makefile.in (TREE_H): Add treestruct.def.
8422 (c-decl.o): Add pointer-set.h
8423 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
8424 visibility on regular DECL's.
8425 (merge_decls): Fix the copying of decl nodes of various types for
8426 the new structures. Don't update RTL, section name, weak status,
8427 etc, on DECL's without RTL.
8428 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
8429 Don't check volatile on non-variable types.
8430 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
8431 to check whether we have seen arguments.
8432 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
8433 flag is checked before field (flag is common, field is not).
8434 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
8435 TS_DECL_COMMON could have an origin.
8436 (add_location_or_const_value_attribute): Don't check section name
8437 on non-var/function decls.
8438 (dwarf2out_var_location): Reverse order of tests.
8439 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
8440 with DECL_WRTL_CHECK.
8441 * expmed.c (make_tree): rtl is now in decl_with_rtl.
8442 * fold-const.c (fold_binary): Don't check weakness on
8443 non-var/function decls.
8444 (tree_expr_nonzero_p): Ditto.
8445 (fold_checksum_tree): Use tree_decl_extra as sizeof
8447 * ggc-page.c (extra_order_size_table): Add sizes for
8448 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
8450 * gimplify.c (gimplify_bind_expr): Only set
8451 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
8452 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
8454 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
8455 * langhooks.h (init_ts). New langhook.
8456 * passes.c (rest_of_decl_compilation): Reverse order of tests.
8457 * print-tree.c (print_node): Update to only print fields that
8458 exist in the structures the passed decl has.
8459 * toplev.c (wrapup_global_declarations): Don't reset
8460 DECL_DEFER_OUTPUT on DECL's that don't contain it.
8461 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
8462 * tree-inline.c (remap_decl): Ditto.
8463 * tree-outof-ssa.c (create_temp): Reverse order of tests.
8464 * tree-pretty-print.c (print_declaration): Don't print
8465 DECL_REGISTER on things that don't contain it.
8466 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
8467 non-var/function decls.
8468 * tree.c (tree_contains_struct): New structure.
8469 (init_priority_for_decl): New hashtable.
8470 (tree_int_map): New structure.
8471 (tree_int_map_eq): New function.
8472 (tree_int_map_marked_p): Ditto.
8473 (tree_int_map_hash): Ditto.
8474 (tree_map): Move to tree.h.
8475 (tree_map_eq): Externalize.
8476 (tree_map_hash): Ditto.
8477 (tree_map_marked_p): Ditto.
8478 (init_ttree): Set up tree_contains_struct and call langhook.
8479 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
8480 (tree_code_size): Update for new structures.
8481 (tree_node_structure): Update for new structures.
8482 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
8484 (copy_node_stat): Copy init priority.
8485 (build_decl_stat): Ditto for visibility.
8486 (ts_enum_names): New.
8487 (tree_contains_struct_check_failed): New function.
8488 (decl_init_priority_lookup): Ditto.
8489 (decl_init_priority_insert): Ditto.
8490 * treestruct.def: New file.
8491 * tree.h (CODE_CONTAINS_STRUCT): New macro.
8492 (CONTAINS_STRUCT_CHECK): Ditto.
8493 (tree_contains_struct_check_failed): New prototype.
8494 (DECL_CHECK): Removed.
8495 (DECL_MINIMAL_CHECK): New.
8496 (DECL_COMMON_CHECK): Ditto.
8497 (DECL_WRTL_CHECK): Ditto.
8498 (DECL_NON_COMMON_CHECK): Ditto.
8499 (DECL_WITH_VIS_CHECK): Ditto.
8500 (VAR_OR_FUNCTION_DECL_P): Ditto
8501 (struct tree_decl_minimal): New structure.
8502 (struct tree_decl_common): Ditto.
8503 (struct tree_decl_with_rtl): Ditto.
8504 (struct tree_decl_with_vis): Ditto.
8505 (struct tree_decl_non_common): Ditto.
8506 (struct tree_field_decl): Ditto.
8507 (struct tree_parm_decl): Ditto.
8508 (struct tree_var_decl): Ditto.
8509 (struct tree_function_decl): Ditto.
8510 (struct tree_const_decl): Ditto.
8511 (struct tree_result_decl): Ditto.
8512 (union tree_node): Add new structures.
8513 * var-tracking.c (track_expr_p): Reverse order of tests.
8515 * doc/c-tree.texi: Add documentation on DECL node internal structure.
8517 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
8519 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
8520 * system.h: Poison FINALIZE_PIC.
8521 * doc/tm.texi (FINALIZE_PIC): Remove.
8523 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8526 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
8527 to the correct type if we have a MODIFY_EXPR.
8529 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
8531 PR tree-optimization/22360
8532 * tree.c (upper_bound_in_type): Fix calculations for casting
8533 to a non-wider signed type and casting a signed value to a
8534 wider unsigned type.
8535 (lower_bound_in_type): Fix calculations for casting to a
8536 non-wider signed type.
8538 PR tree-optimization/20139
8539 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
8541 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
8542 fold_cond_expr_cond.
8543 * tree-ssanames.c (release_defs): Assert in_ssa_p.
8544 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
8546 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8549 * tree-complex.c (expand_complex_libcall): Produce
8550 REALPART_EXPR/IMAGPART_EXPR with the correct type.
8552 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
8554 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
8555 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
8556 b" assert and inserted fastpath code for this case.
8557 (bitmap_ior): Removed "a != b" assert.
8559 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8561 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
8562 (ENDFILE_SPEC): Likewise.
8563 * config/m32r/m32r.h (ASM_SPEC): Likewise.
8565 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
8566 a large stack frame at epilogue.
8568 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
8570 * final.c: Include sdbout.h when required.
8572 2005-07-07 Geoffrey Keating <geoffk@apple.com>
8574 * config.gcc (*-*-darwin*): Only one target-specific header file
8576 (powerpc-*-darwin*): Add version-specific header files.
8577 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
8578 * config.in: Regenerate.
8579 * configure: Regenerate.
8580 * gcc.c: Include xregex.h.
8581 (version_compare_spec_function): New.
8582 (spec_function): Add version-compare.
8583 (replace_outfile_spec_function): Reformat comment.
8584 (compare_version_strings): New.
8585 * config/darwin-c.c (version_as_macro): New.
8586 (builtin_define): New.
8587 (darwin_cpp_builtins): New.
8588 * config/darwin-protos.h (darwin_cpp_builtins): New.
8589 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
8590 (LIB_SPEC): Make unconditional, update comment.
8591 (TARGET_C99_FUNCTIONS): Define.
8592 * config/darwin.opt: Sort.
8593 (mmacosx-version-min=): New.
8594 * config/darwin7.h: Delete.
8595 * config/darwin8.h: Delete.
8596 * config/i386/darwin.h (): Call darwin_cpp_builtins.
8597 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
8598 (TARGET_C99_FUNCTIONS): Define.
8599 * config/rs6000/darwin7.h: New.
8600 * config/rs6000/darwin8.h: New.
8601 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
8602 (-mmacosx-version-min): Document.
8604 2005-07-07 Ian Lance Taylor <ian@airs.com>
8606 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
8608 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
8611 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
8613 2005-07-07 Khem Raj <kraj@mvista.com>
8615 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
8616 in bytes, not words.
8618 2005-07-07 Paul Brook <paul@codesourcery.com>
8620 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
8621 DEFAULT_FUNCTION_ARG_PADDING to upward.
8623 2005-07-07 Richard Henderson <rth@redhat.com>
8625 * function.c (locate_and_pad_parm): Record parameter alignment in
8626 stack_alignment_needed.
8628 2005-07-07 David Edelsohn <edelsohn@gnu.org>
8630 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
8631 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
8632 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
8633 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
8634 (define_attr "type"): Add isync, sync, load_l, store_c.
8635 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
8636 Create scratch volatile MEM.
8637 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
8639 (load_locked_<mode>): New.
8640 (store_conditional_<mode>): New.
8641 (sync_compare_and_swap<mode>): Replace with splitter.
8642 (sync_lock_test_and_set<mode>): Replace with splitter.
8643 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
8645 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
8646 is ics. Attribute isync.
8647 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
8649 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
8650 and UNSPECV_SYNC_OP.
8651 (emit_unlikely_jump): New.
8652 (emit_load_locked): New.
8653 (emit_store_conditional): New.
8654 (rs6000_split_compare_and_swap): New.
8655 (rs6000_split_lock_test_and_set): New.
8656 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
8657 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
8658 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
8659 rs6000_split_lock_test_and_set): Declare.
8660 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
8661 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
8662 store_c, isync, sync.
8664 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
8666 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
8667 filenames to gtyp-gen.h.
8668 (s-typ-gen): Use it in place of for loops.
8670 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
8672 * hooks.c (hook_bool_rtx_int_false): New function.
8673 * hooks.h (hook_bool_rtx_int_false): Declare.
8674 * target-def.h (TARGET_COMMUTATIVE_P): Define.
8675 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
8676 * target.h (struct gcc_target): Add commutative_p member.
8677 * targhooks.c (hook_bool_rtx_commutative_p): New function.
8678 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
8679 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
8680 (pa_commutative_p): New function.
8681 * jump.c (target.h): Include.
8682 (rtx_renumbered_equal_p): Use targetm.commutative_p.
8683 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
8685 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8687 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
8688 (s390_expand_setmem): New.
8689 * config/s390/s390.c: Likewise.
8690 (print_shift_count_operand): Truncate to 12 bits instead of 6.
8692 * config/s390/s390.md: ("setmem<mode>"): Accept character as
8693 general_operand. Call new function "s390_expand_setmem".
8694 ("clrmem_long", "*clrmem_long"): Rewrite to ...
8695 ("setmem_long", "*setmem_long"): ... this.
8697 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8699 * config/s390/s390.c: (optimization_options): Enable
8700 TARGET_MVCLE at -Os.
8701 * doc/invoke.texi: Document changes in default behaviour.
8702 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
8704 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8706 * expr.c: (set_storage_via_setmem): Convert opchar to mode
8707 defined by back-end.
8709 2005-07-07 Jakub Jelinek <jakub@redhat.com>
8711 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
8712 all sets in the pattern.
8713 * config/rs6000/rs6000.md (stack_protect_testsi,
8714 stack_protect_testdi): Likewise.
8716 2005-07-06 Jeff Law <law@redhat.com>
8718 * tree-vrp.c (simplify_using_ranges): Kill.
8719 (vrp_finalize): Remove call to simplify_using_ranges.
8720 (simplify_stmt_using_ranges): New function extracted from
8721 simplify_using_ranges.
8722 (simplify_div_or_mod_using_ranges): Likewise.
8723 (simplify_abs_using_ranges): Likewise.
8724 (simplify_cond_using_ranges): New function.
8725 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
8726 * tree-ssa-propagate.c (substitute_and_fold): Call
8727 simplify_stmt_using_ranges if we have range information.
8729 2005-07-06 James E. Wilson <wilson@specifixinc.com>
8731 * config/ia64/ia64.c (ia64_reorg): Check optimize before
8732 ia64_flag_schedule_isns2.
8734 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
8735 reading/writing general registers.
8736 (ia64_function_arg): Revert 2005-06-18 change.
8738 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
8740 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
8741 (legitimize_tls_address): Use gcc_unreachable instead of abort.
8743 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
8745 * function.c (expand_function_end): Revert part of 2005-06-27
8746 patch. Do sjlj_emit_function_exit_after after return_label.
8748 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8750 * doc/install.texi (--disable-libssp): New.
8752 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
8754 * doc/invoke.texi: Update -fforce-mem documentation.
8755 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
8756 code for -fforce-mem.
8757 * expmed.c: (store_bit_field,store_fixed_bit_field,
8758 extract_bit_field): Ditto.
8759 * expr.c: (convert_move): Ditto.
8760 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
8761 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
8762 emit_conditional_add,expand_float,expand_fix): Ditto.
8763 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
8764 (common_handle_option): Issue warning when -fforce-mem specified.
8766 2005-07-06 Paul Brook <paul@codesourcery.com>
8768 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
8770 * configure: Regenerate.
8772 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
8774 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
8776 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
8778 Fix PR tree-optimization/22319
8779 Fix PR tree-optimization/22140
8780 Fix PR tree-optimization/22310
8782 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
8783 variable sized types.
8784 Use correct type for intermediate structure on *a = *b structure
8787 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8789 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
8791 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
8792 (machine_function): Move typedef to...
8793 * config/rs6000/rs6000.c (machine_function): ... here. Add
8794 varargs_save_offset field.
8795 (rs6000_stack_t): Remove varargs_size field.
8796 (setup_incoming_varargs): Allocate varargs save area using
8797 assign_stack_local, try to make it as small as possible.
8798 Save offset from virtual_stack_vars_rtx to the save area
8799 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
8800 instead of magic 8 when fp word byte size is used.
8801 (rs6000_va_start): Use cfun->machine->varargs_save_offset
8802 instead of -RS6000_VARARGS_SIZE.
8803 (rs6000_stack_info, debug_stack_info,
8804 rs6000_initial_elimination_offset): Remove all traces of
8806 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
8807 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
8808 RS6000_VARARGS_AREA.
8810 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8812 PR tree-optimization/21963
8813 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
8814 constant_multiple_of in the same way get_computation_cost_at does.
8816 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8818 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
8819 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
8820 (gen_compare_reg): If sparc_compare_emitted is set, clear it
8821 and return its previous value.
8822 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
8823 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
8825 (stack_protect_set, stack_protect_test): New expanders.
8826 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
8827 stack_protect_testdi): New insns.
8828 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8829 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
8831 2005-07-06 Jeff Law <law@redhat.com>
8833 * tree-ssa-dce.c (cfg_altered): New global.
8834 (tree_dce_init): Initialize cfg_altered.
8835 (remove_dead_stmt): If we remove an edge in the CFG, then set
8837 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
8840 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8842 * Makefile.in (stamp-collect-ld): Use
8843 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
8844 ./collect-ld if it already exists.
8845 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
8846 Don't remove ./nm if it already exists.
8848 2005-07-05 Devang Patel <dpatel@apple.com>
8850 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
8851 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
8852 * tree-vectorizer.c (vect_loop_location): New.
8853 (vect_print_dump_info): Use vect_loop_location.
8854 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
8855 (vectorize_loops): Set vect_loop_location.
8856 * tree-vect-analyze.c (vect_analyze_offset_expr,
8857 vect_determin_vectorization_factor, vect_analyze_operations,
8858 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
8859 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
8860 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
8861 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
8862 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
8863 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
8864 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
8865 vect_analyze_loop): Adjust vect_print_dump_info API.
8866 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8867 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
8868 vect_finish_stmt_generation, vectorizable_assignment,
8869 vectorizable_operation, vectorizable_store, vectorizable_load,
8870 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
8871 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
8872 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
8873 vect_transform_loop): Same.
8874 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
8875 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
8878 2005-07-05 Randolph Chung <tausq@debian.org>
8880 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
8881 * configure: Regenerate.
8882 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
8883 (pa_tls_referenced_p): Declare.
8884 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
8885 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
8886 (legitimize_tls_address): New.
8887 (hppa_legitimize_address): Handle TLS addresses.
8888 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
8889 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8890 (emit_move_sequence): Handle TLS addresses.
8891 (pa_encode_section_info): Call default handler to handle common
8893 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
8894 (CONSTANT_ADDRESS_P): Reject TLS operands.
8895 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
8896 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
8897 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
8898 (UNSPEC_TLSLE): Define new constants.
8899 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
8900 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
8901 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
8902 (tie_symbolic_operand, tle_symbolic_operand): New
8904 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
8906 * aclocal.m4: Update macros for autoconf 2.59 style.
8907 * configure.ac: Likewise.
8909 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8911 * pa.c (function_value): Handle small aggregates on 32-bit targets.
8912 (function_arg): Pass small aggregates in general registers on 32-bit
8914 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
8916 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
8918 * Makefile.in (final.o): Fix dependencies.
8920 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8924 * langhooks.h (struct lang_hooks): Add expr_to_decl.
8925 * langhooks.c (lhd_expr_to_decl): New.
8926 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
8928 (LANG_HOOKS_INITIALIZER): Update.
8929 * tree.c (recompute_tree_invarant_for_addr_expr): Call
8930 expr_to_decl langhook.
8931 * c-tree.h (c_expr_to_decl): Declare.
8932 * c-typeck.c (c_expr_to_decl): New.
8933 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
8935 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
8937 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8940 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
8941 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
8943 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
8945 * Makefile.in: Adjust dependencies.
8946 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
8947 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
8948 * alias.c (rest_of_handle_cfg, pass_cfg): New.
8949 * bb-reorder.c (duplicate_computed_gotos): Make it static.
8950 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
8951 rest_of_compilation.
8953 * bb-reorder.c (gate_duplicate_computed_gotos,
8954 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
8955 rest_of_handle_reorder_blocks, pass_reorder_blocks,
8956 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
8957 pass_partition_blocks): New.
8958 * bt-load.c (gate_handle_branch_target_load_optimize,
8959 rest_of_handle_branch_target_load_optimize,
8960 pass_branch_target_load_optimize): New.
8961 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
8963 * cfglayout.c (pass_insn_locators_initialize): New.
8964 * cfgrtl.c (pass_free_cfg): New.
8965 * combine.c (gate_handle_combine, rest_of_handle_combine,
8967 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
8968 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
8969 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
8970 * except.c (pass_set_nothrow_function_flags,
8971 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
8973 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
8974 rest_of_handle_shorten_branches, pass_shorten_branches,
8975 rest_of_clean_state, pass_clean_state): New.
8976 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
8977 rest_of_handle_remove_death_notes, pass_remove_death_notes,
8978 rest_of_handle_life, pass_life, rest_of_handle_flow2,
8980 * function.c (pass_instantiate_virtual_regs, pass_init_function,
8981 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
8982 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8983 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
8985 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
8986 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
8987 pass_rtl_ifcvt, gate_handle_if_after_combine,
8988 rest_of_handle_if_after_combine, pass_if_after_combine,
8989 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
8990 pass_if_after_reload): New.
8991 * integrate.c (pass_initial_value_sets): New.
8992 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
8993 pass_purge_lineno_notes): New.
8994 * mode-switching.c (rest_of_handle_mode_switching,
8995 pass_mode_switching): New.
8996 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
8997 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
8999 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
9000 pass_loop_optimize): New.
9001 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
9003 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
9005 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
9006 pass_postreload_cse): New.
9007 * profile.c (gate_handle_profiling, pass_profiling,
9008 rest_of_handle_branch_prob, pass_branch_prob): New.
9009 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
9010 pass_split_before_regstack, gate_handle_split_before_regstack,
9011 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
9012 rest_of_handle_split_all_insns, pass_split_all_insns): New.
9013 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
9014 pass_stack_regs): New.
9015 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
9016 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
9017 pass_stack_adjustments): New.
9018 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
9019 pass_regrename): New.
9020 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
9021 pass_delay_slots, gate_handle_machine_reorg,
9022 rest_of_handle_machine_reorg, pass_machine_reorg): New.
9023 * rtl.h (extern void purge_line_number_notes): New.
9024 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
9025 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
9027 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
9029 * value-prof.c (gate_handle_value_profile_transformations,
9030 rest_of_handle_value_profile_transformations,
9031 pass_value_profile_transformations): New.
9032 * var-tracking.c (gate_handle_var_tracking,
9033 pass_variable_tracking): New.
9034 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
9036 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
9037 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
9038 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
9039 rest_of_handle_old_regalloc, rest_of_handle_regrename,
9040 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
9041 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
9042 rest_of_handle_gcse2, rest_of_handle_regmove,
9043 rest_of_handle_tracer, rest_of_handle_if_conversion,
9044 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
9045 rest_of_handle_web, rest_of_handle_branch_prob,
9046 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
9047 rest_of_handle_jump_bypass, rest_of_handle_combine,
9048 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9049 rest_of_handle_gcse, rest_of_handle_loop_optimize,
9050 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
9051 rest_of_handle_mode_switching, rest_of_handle_jump,
9052 rest_of_handle_eh, rest_of_handle_stack_adjustments,
9053 rest_of_handle_flow2, rest_of_handle_jump2,
9054 rest_of_handle_peephole2, rest_of_handle_postreload,
9055 rest_of_handle_shorten_branches, rest_of_clean_state,
9056 rest_of_compilation): Remove.
9058 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9059 * passes.c (dump_flags, in_gimple_form, all_passes,
9060 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9061 register_dump_files, next_pass_1, last_verified, execute_todo,
9062 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9063 from tree-optimize.c.
9064 (init_optimization_passes): Moved from tree-optimize.c,
9065 adding the RTL optimizations.
9066 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
9067 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
9068 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9069 register_dump_files, next_pass_1, last_verified, execute_todo,
9070 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
9071 init_tree_optimization_passes, ipa_passes): Delete.
9072 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
9074 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
9075 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
9077 (ipa_passes): Remove.
9078 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
9079 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
9080 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
9081 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
9082 (dump_info_p, dump_flag): Moved to tree-dump.h.
9084 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
9086 * passes.c (finish_optimization_passes): Use dump_begin
9087 and dump_end, TDI_end.
9088 (gate_rest_of_compilation): New.
9089 (pass_rest_of_compilation): Use it.
9090 (gate_postreload, pass_postreload): New.
9091 * toplev.c (general_init): Rename init_tree_optimization_passes.
9092 * toplev.h (init_tree_optimization_passes): Rename to
9093 init_optimizations_passes.
9094 * tree-dump.c (dump_flag): Make static.
9095 (dump_files): Remove RTL dumps.
9096 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
9097 pass_cleanup_cfg, pass_free_cfg_annotations,
9098 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
9099 pass_init_datastructures, pass_fixup_cfg): Make non-static.
9100 * tree-pretty-print.c: Include tree-pass.h.
9101 * cgraph.c: Include tree-dump.h.
9103 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9105 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
9106 Only fall back to saying it points to readonly memory if
9109 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9111 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
9112 * config/m32r/m32r.c (m32r_compute_frame_size,
9113 m32r_expand_prologue): Take current_function_profile into
9114 account whenever we reference
9115 current_function_uses_pic_offset_table.
9116 (m32r_finalize_pic): Remove.
9117 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
9119 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
9121 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
9122 instead of $<. Don't remove ./as if it already exists.
9124 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9127 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
9128 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
9129 for complex modes when generating code for PA 1.0.
9130 (VALID_FP_MODE_P): New macro.
9131 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9132 sets for all general and floating point modes. Align wide floating
9133 point modes to even register boundaries to comply with architectural
9135 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
9136 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
9137 (VALID_FP_MODE_P): New macro.
9138 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9139 sets for all general and floating point modes. Align wide floating
9140 point modes to even register boundaries to comply with architectural
9143 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9145 * tree-dump.c (dump_files): Initialize dump number for .cgraph
9148 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9150 * tree-ssa-structalias.c: Don't include expr.h.
9152 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9154 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
9157 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9159 Fix PR tree-optimization/22279
9161 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
9164 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
9166 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
9168 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
9170 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
9171 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
9172 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
9173 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
9174 config/stormy16/stormy16.c, config/v850/v850.c,
9175 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
9176 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
9177 Avoid "." or "\n" at end of diagnostics and capital letters at
9178 start of diagnostics.
9179 * combine.c, cse.c: Don't translate dump file output.
9180 * toplev.c (print_version): Only translate output if going to
9183 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
9185 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
9186 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
9189 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9191 * pa.c (fix_range): Fix typo in comment.
9193 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
9195 * tree-vrp.c (extract_range_from_assert): Replace
9196 fold (build (...)) with fold_build2.
9198 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9200 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
9201 gcc_gfc_char_table, init_dynamic_gfc_info): New.
9202 (format_types_orig, handle_format_attribute): Add support for
9205 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
9207 * varasm.c (assemble_variable): Fix format specifier thinko.
9209 2005-07-03 Ira Rosen <irar@il.ibm.com>
9211 PR tree-optimization/22029 (and 22135)
9212 * tree-pretty-print.c (dump_generic_node): Check that the node is not
9213 a phi node before calling dump_vops.
9215 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
9217 * tree-dump.h (dump_string_field): Declare.
9218 * tree-dump.c: Use it instead of dump_string.
9219 (dump_string_field): Make non-static.
9221 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
9223 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
9224 up the minimal CFG stuff always when optimize > 0. Call
9225 split_all_insns_noflow in PIC case if needed.
9227 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
9228 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
9231 * c-decl.c (c_write_global_declarations): Dump contents of
9233 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
9234 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
9235 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
9236 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
9239 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
9241 * c-common.h (GCC_DIAG_STYLE): Define.
9242 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
9243 version for format checking to 4.1.
9244 * c-format.c: Include toplev.h after c-common.h.
9245 (enum format_type): Add gcc_tdiag_format_type.
9246 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
9247 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
9248 (format_types_orig): Add gcc_tdiag.
9249 (init_dynamic_diag_info): Support gcc_tdiag formats.
9250 (handle_format_attribute): Likewise.
9251 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
9252 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
9253 version for format checking to 4.1.
9254 (warning0, warning, error, pedwarn, sorry): Use
9256 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
9257 (finish_aliases_1): Do not use %qE.
9258 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
9259 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
9260 Correct format bugs.
9261 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
9262 parameter to unsigned HOST_WIDE_INT.
9263 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
9265 2005-07-02 David Edelsohn <edelsohn@gnu.org>
9268 * expr.c (write_complex_part): Use adjust_address for MEM.
9269 (read_complex_part): Same.
9271 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
9273 Fix PR tree-optimization/22280
9275 * tree-sra.c (generate_element_init): Remove useless loop.
9277 2005-07-02 Richard Henderson <rth@redhat.com>
9279 * config/alpha/alpha.c (alpha_legitimize_address): Check for
9281 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
9283 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
9286 * fold-const.c (fold_binary): Handle the return value of
9287 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
9288 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
9290 2005-07-02 Jeff Law <law@redhat.com>
9292 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
9293 a eliminate type conversion which feeds an equality comparison
9294 if the original type or either operand in the comparison is a
9297 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
9299 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
9300 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
9302 * config/avr/avr.c: Do not use '`' as left quote.
9303 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
9304 Remove "." from end of diagnostics. Make diagnostics start with
9307 2005-07-02 Zack Weinberg <zack@codesourcery.com>
9308 Joseph S. Myers <joseph@codesourcery.com>
9310 * toplev.c (default_tree_printer): Handle setting location with
9312 * c-objc.common.c (c_tree_printer): Likewise.
9313 * c-format.c (gcc_diag_flag_specs): Add '+'.
9314 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
9315 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
9317 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
9318 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
9319 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
9320 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
9321 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
9322 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
9323 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
9324 format arguments where %J is used without %D.
9326 2005-07-02 Jakub Jelinek <jakub@redhat.com>
9328 * gcc.c (LINK_SSP_SPEC): Define.
9329 (link_ssp_spec): New variable.
9330 (LINK_COMMAND_SPEC): Add %(link_ssp).
9331 (static_specs): Add link_ssp_spec.
9332 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
9333 * configure: Rebuilt.
9334 * config.in: Rebuilt.
9336 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9337 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9338 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9339 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9340 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
9341 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
9342 -0x7008(2) instead of reading __stack_chk_guard variable.
9343 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
9345 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
9346 (stack_protect_set, stack_protect_test): Use *_tls* patterns
9347 if TARGET_THREAD_SSP_OFFSET is defined.
9348 (stack_tls_protect_set_si, stack_tls_protect_set_di,
9349 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
9352 2005-06-27 Richard Henderson <rth@redhat.com>
9353 * libgcc-std.ver (GCC_4.1.0): New.
9354 * libgcc.h (__stack_chk_guard): Declare.
9355 (__stack_chk_fail, __stack_chk_fail_local): Declare.
9356 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
9357 * mklibgcc.in (lib2funcs): Add them.
9359 2005-07-01 Richard Henderson <rth@redhat.com>
9361 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
9362 void * before struct sigcontext *.
9363 (x86_fallback_frame_state): Likewise.
9365 2005-07-01 James E. Wilson <wilson@specifixinc.com>
9367 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
9369 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
9372 * tree-ssa-reassoc.c (should_transpose): Fix which operand
9373 we check for SSA_NAME for.
9375 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
9377 Fix PR tree-optimization/22071
9379 * tree-ssa-structalias.c (offset_overlaps_with_access): New
9381 (get_constraint_for_component_ref): Use it.
9383 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
9386 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
9387 print out the last new line.
9389 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
9391 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
9392 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
9393 * config/cris/cris.c (cris_conditional_register_usage): Adjust
9394 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
9395 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
9396 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
9397 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
9398 (enum reg_class): New member CC0_REGS.
9399 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
9400 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
9401 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
9402 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
9403 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
9404 Adjust for register now described.
9406 2005-07-01 Jakub Jelinek <jakub@redhat.com>
9409 * config/i386/i386.md (stack_protect_test_si,
9410 stack_protect_test_di): Add earlyclobber for scratch 3.
9411 * config/rs6000/rs6000.md (stack_protect_testsi,
9412 stack_protect_testdi): Add earlyclobber for scratch 3,
9413 remove earlyclobber from scratch 4.
9415 Older entries for 2005 can be found in ChangeLog-2005.