1 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
3 * combine.c (try_combine): Do not run subst on i1src and i2src in
4 the case of generating a PARALLEL for a comparison.
6 2005-11-20 Richard Henderson <rth@redhat.com>
9 * tree-sra.c (struct sra_elt): Add all_no_warning.
10 (struct sra_walk_fns) <use>: Add use_all argument.
11 (sra_walk_expr): Pass it.
12 (sra_walk_modify_expr): Likewise.
13 (scalarize_ldst): Likewise.
14 (scan_use): Update for new argument.
15 (mark_no_warning): New.
16 (scalarize_use): Use it.
18 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
20 * expr.c (expand_expr_real): Use usmul_optab for widening
21 signed * unsigned multiplies.
22 * genopinit.c (optabs): Add usmul_widen_optab.
23 * optabs.c (init_optabs): Likewise.
24 * optabs.h (enum optab_index): Add OTI_usmul_widen.
25 (usmul_widen_optab): Define.
26 * config/bfin/bfin.md (usmulhisi3): New pattern.
28 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
30 2005-11-20 Graham Stott <btinternet.com>
32 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
34 2005-11-20 Andreas Schwab <schwab@suse.de>
37 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
40 2005-11-19 Richard Henderson <rth@redhat.com>
43 * tree-gimple.c (is_gimple_id): Export.
44 * tree-gimple.h (is_gimple_id): Declare.
45 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
46 (get_default_value): Use it.
47 (maybe_fold_stmt_indirect): Likewise.
49 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
51 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
52 than VR1 or vice-versa.
54 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
58 * reload.c (find_reloads_address_1): Mention dependency on
60 * reload1.c (gen_reload): For IN with an unary operation, try
61 moving inner expression to OUT if trivial SET is not valid.
62 Confirm that the result is valid. Move common code block into...
63 (emit_insn_if_valid_for_reload): New function.
65 2005-11-19 Richard Guenther <rguenther@suse.de>
67 * fold-const.c (fold_indirect_ref_1): Make sure we fold
68 ARRAY_REFs of constant strings.
70 2005-11-19 Jakub Jelinek <jakub@redhat.com>
72 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
75 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
77 * combine.c (make_compound_operation): Swap operands of
78 commutative operation if necessary before returning.
80 2005-11-19 Richard Guenther <rguenther@suse.de>
83 * fold-const.c (fold_plusminus_mult_expr): New function.
84 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
85 cases, remove now unnecessary code.
87 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
89 * gensupport.c (old_preds): Rename to std_preds, add special field.
90 (struct old_pred_table): Rename to struct std_pred_table, add special
92 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
93 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
94 (init_predicate_table): Adjust, and set along the way whether a
97 2005-11-18 Mark Mitchell <mark@codesourcery.com>
99 * BASE-VER: Change to 4.2.0.
101 2005-11-18 James E Wilson <wilson@specifix.com>
103 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
106 2005-11-18 Mike Stump <mrs@apple.com>
108 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
109 * config/darwin-c.c (darwin_pragma_unused): Likewise.
110 * c-decl.c (lookup_name_two) Remove.
111 * c-tree.h (lookup_name_two): Remove.
112 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
113 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
114 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
115 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
117 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
120 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
121 when not generating code to use that co-processor.
123 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
125 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
126 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
127 these functions are now in tree-phinodes.c.
129 2005-11-18 Jie Zhang <jie.zhang@analog.com>
131 * config/bfin/bfin.md (trap): New pattern.
133 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
135 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
138 * expr.c (expand_expr_real): Don't call record_block_change unless
139 ib_boundaries_block is non-null
141 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
143 * fold-const.c (build_range_check): Use proper type for subtraction
144 when merging lower bound.
146 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
148 PR rtl-optimization/24497
149 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
152 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
154 * tree-scalar-evolution.c (expression_expensive_p): New function.
155 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
157 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
159 * config/bfin/crtlibid.s: New file.
161 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
164 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
165 when not using sjlj exceptions.
166 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
167 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
168 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
169 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
170 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
171 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
172 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
173 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
174 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
175 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
176 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
177 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
178 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
180 * config/pa/hpux-unwind.h: New file.
182 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
184 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
185 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
186 * varasm.c (do_assemble_alias): Adjust call.
187 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
189 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
191 2005-11-17 James E Wilson <wilson@specifix.com>
193 * tree.def (FUNCTION_DECL): Correct typo in comment.
195 2005-11-17 Richard Henderson <rth@redhat.com>
197 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
198 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
199 and DW_CFA_def_cfa_sf.
200 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
201 (dbx_reg_number): Don't assert particular registers here.
202 (based_loc_descr): ... do it here instead. Fold in ...
203 (eliminate_reg_to_offset): ... this function.
204 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
205 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
206 * unwind-dw2.c (execute_cfa_program): Apply data align factor
207 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
208 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
209 (instantiate_virtual_regs): Likewise.
210 * var-tracking.c (adjust_stack_reference): Likewise.
211 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
213 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
215 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
216 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
217 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
219 ($(T)crtlibid.o): New rule.
221 2005-11-16 Richard Guenther <rguenther@suse.de>
224 * fold-const.c (extract_array_ref): Return byte offset
226 (fold_binary): Fold &x[a] CMP &x[b] to
227 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
230 2005-11-16 Richard Henderson <rth@redhat.com>
233 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
234 parts of an SSA_NAME.
236 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
239 * arm.md (split for movsf with immediate): Restrict split to insns
240 that set a general register.
242 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
244 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
246 * unwind-dw2.c (uw_advance_context): Likewise.
247 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
248 _Unwind_SjLj_Unregister.
249 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
251 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
253 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
255 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
257 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
258 langhook to get a DImode integer type.
260 2005-11-16 Richard Henderson <rth@redhat.com>
261 J"orn Rennecke <joern.rennecke@st.com>
262 Ulrich Weigand <uweigand@de.ibm.com>
266 * reload1.c (reg_equiv_invariant): New.
267 (reload): Allocate, initialize, and free it.
268 (calculate_needs_all_insns): Check it when skipping equivalence
270 (alter_reg): Likewise.
271 (eliminate_regs_1): Rename from eliminate_regs. Add new
272 may_use_invariant argument; only use reg_equiv_invariant when true.
273 (eliminate_regs): New.
274 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
275 a context for which may_use_invariant may be true.
277 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
279 * fold-const.c (const_binop): Don't constant fold the operation
280 if the result has overflowed and flag_trapping_math.
281 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
283 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
285 * config/arm/unwind-arm.c (abort): Add prototype here.
286 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
287 (struct phase1_vrs): Add prev_sp.
288 (unwind_phase2_forced): Save the original core registers instead of
289 modifying entry_vrs. Take a new flag argument for resuming unwinding
290 and set action flags accordingly. Always set _US_END_OF_STACK when
291 get_eit_entry fails. Unwind before calling the stop function.
292 (_Unwind_GetCFA): New function.
293 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
294 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
295 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
296 just call unwind_phase2_forced.
297 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
298 * config/arm/unwind-arm.h (abort): Remove prototype.
299 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
301 (_Unwind_GetCFA): New prototype.
302 * config/arm/pr-support.c (abort): Add prototype here.
303 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
305 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
306 not schedule the prologue with non-call exceptions and EABI.
308 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
310 * config/arm/unwind-arm.h: Reorder interface function declarations.
311 (_URC_END_OF_STACK): New enumeration value.
312 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
313 (struct _Unwind_Control_Block): Document reserved field use.
314 (_Unwind_Stop_Fn): New typedef.
315 (_Unwind_ForcedUnwind): Declare.
316 (_Unwind_Resume_or_Rethrow): Declare.
317 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
319 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
320 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
321 (UCB_FORCED_STOP_ARG): New.
322 (search_EIT_table): Update boundary condition checks.
323 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
324 (unwind_phase2): Replace for with do..while.
325 (unwind_phase2_forced): New.
326 (__gnu_Unwind_RaiseException): Replace for with do..while.
327 (__gnu_Unwind_ForcedUnwind): New.
328 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
329 Use appropriate phase2 unwinder.
330 (__gnu_Unwind_Resume_or_Rethrow): New.
331 (__gnu_unwind_pr_common): Cope with forced unwinding.
333 2005-11-16 David Edelsohn <edelsohn@gnu.org>
336 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
338 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
339 roundsf2): Remove "s" from mnemonic.
341 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
343 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
345 * config/bfin/crtn.s: Change epilogues to match.
346 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
347 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
350 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
353 * doc/invoke.texi: Distinguish between free and fixed form instead of
354 Fortran and Fortran 90/95. Remove ratfor from the list of supported
356 * gcc.c (default_compilers): Remove double entries, add entries for
357 suffixes '.F90' and '.F95'.
359 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
361 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
362 in the stack probing loop.
364 2005-11-15 David Edelsohn <edelsohn@gnu.org>
366 * configure.ac: Use .machine power5 not power5x.
367 * configure: Regenerate.
369 2005-11-15 Mike Stump <mrs@apple.com>
371 * c-decl.c (lookup_name_two): Add.
372 * c-tree.h (lookup_name_two): Likewise.
373 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
374 * config/darwin-c.c (darwin_pragma_unused): Likewise.
376 2005-11-16 Alan Modra <amodra@bigpond.net.au>
378 PR rtl-optimization/23392
379 * regrename.c (enum scan_actions) Add mark_access.
380 (scan_actions_name): Ditto.
381 (scan_rtx_reg): Handle mark_access.
382 (scan_rtx_address): Do nothing for mark_access.
383 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
384 and regs in REG_INC notes before closing chains for dead regs.
385 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
386 opening chains for new writes.
388 2005-11-15 David Edelsohn <edelsohn@gnu.org>
390 * c.opt (ffixed-line-length-none): New.
392 2005-11-15 Steve Ellcey <sje@cup.hp.com>
394 * mklibgcc.in: Change contents of eh_dummy.c.
396 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
398 * loop.c (scan_loop): Do not insert temporaries for hard registers.
400 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
402 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
404 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
406 2005-11-15 Jan Hubicka <jh@suse.cz>
408 * invoke.texi (large-unit-insns): Document.
409 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
410 * params.def (large-unit-insns): New param.
412 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
415 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
416 special register for operand 3. Reindent constraints to align
419 2005-11-14 David Edelsohn <edelsohn@gnu.org>
421 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
422 -mpopcntb, -mfprnd. Add -mcpu=power5+.
423 * configure.ac: Add test for FP rounding instructions.
424 * configure: Regenerate.
425 * config.in: Regenerate.
426 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
427 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
429 * config/rs6000/rs6000.opt (mfprnd): New.
430 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
431 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
432 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
433 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
435 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
437 (btrunc<mode>2): New.
442 2005-11-14 Geoffrey Keating <geoffk@apple.com>
444 * gcc.c (version_compare_spec_function): Use fatal() rather than
447 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
448 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
449 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
451 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
454 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
455 on -mmacosx-version-min setting.
457 2005-11-14 Diego Novillo <dnovillo@redhat.com>
460 * tree-vrp.c (infer_value_range): Return false if STMT is a
461 block terminator and its basic block has no successors.
463 2005-11-14 Mike Stump <mrs@apple.com>
465 * config/i386/i386.c (override_options): -masm=intel isn't
467 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
469 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
471 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
472 vfork after including auto-host.h.
474 2005-11-15 Alan Modra <amodra@bigpond.net.au>
476 PR rtl-optimization/22002
477 * combine.c (distribute_notes): Detect cases where a reg dies
478 two or more times in a bb, including on the insn we are combining,
479 and place the death note on the correct range.
481 2005-11-14 Dale Johannesen <dalej@apple.com>
483 * expmed.c (store_bit_field): Add offset unconditionally for
485 (extract_bit_field): Don't force extzv or extv operand into
486 a register if field is too big.
488 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
490 * config/arm/arm.c (pic_labelno): New.
491 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
492 LABEL_REF. Pass only the labelno to PIC insns.
493 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
494 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
495 * arm.md (UNSPEC_PIC_LABEL): New constant.
496 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
497 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
498 Use the correct label prefix.
500 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
502 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
505 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
507 * loop-invariant.c: Include tm_p.h.
508 * Makefile.in: Updated.
510 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
512 * pa.c (store_reg): Revise generation of frame notes in large frames.
513 (set_reg_plus_d): Likewise.
515 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
517 PR tree-optimization/24709
518 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
521 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
523 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
524 and duplicate declaration of pthread_self.
526 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
527 Ian Lance Taylor <ian@airs.com>
530 * calls.c (expand_call): If TARGET is a MEM and some part of the
531 argument area has been saved, force TARGET to a register.
533 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
535 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
538 2005-11-13 Jason Merrill <jason@redhat.com>
541 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
542 lazily declared methods.
543 (force_decl_die): Stop if forcing out the context already make a
545 (force_type_die): Likewise.
547 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
550 * builtins.c (integer_valued_real_p): Add break in
551 REAL_CST having TREE_OVERFLOW set.
553 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
555 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
556 addressing modes during calculation of costs.
558 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
560 * function.c (assign_stack_local_1): Restrict sanity check
561 on frame size overflow to 32-bit and above platforms.
563 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
565 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
566 * config/cris/cris.c: Include reload.h.
567 (cris_initial_elimination_offset): New function.
568 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
571 2005-11-12 Richard Guenther <rguenther@suse.de>
573 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
575 2005-11-12 Jan Hubicka <jh@suse.cz>
577 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
578 to compare against 0 when possible.
580 2005-11-12 Jie Zhang <jie.zhang@analog.com>
582 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
583 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
584 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
585 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
588 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
590 * recog.c (constrain_operands) <case 'g'>: For a match, require
591 that a non-register matches general_operand when strict >= 0.
593 2005-11-11 Steven Bosscher <stevenb@suse.de>
595 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
598 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
600 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
601 (memory_address_same): New.
602 (dse_optimize_stmt): Call memory_address_same.
604 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
607 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
608 ZERO_EXTEND>: New cases.
610 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
612 * longlong.h (__clz_tab): Always provide.
614 2005-11-11 Steven Bosscher <stevenb@suse.de>
617 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
619 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
620 before check_maybe_invariant.
621 (move_invariant_reg): Use gen_move_insn instead of replacing
622 SET_DEST with the temporary for the invariant.
623 (move_loop_invariants): If checking is enabled, do internal
624 consistency checks after completing the pass.
626 2005-11-11 David Edelsohn <edelsohn@gnu.org>
629 * common.opt (Wvolatile-register-var): New.
630 * varasm.c (make_decl_rtl): Only emit warning when option
631 specified. Clarify warning message.
632 * doc/invoke.texi (Wvolatile-register-var): Document new option.
634 * doc/md.texi (copysign): Document standard named pattern.
636 2005-11-11 Jie Zhang <jie.zhang@analog.com>
638 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
639 bytes when align is 2.
640 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
641 by the first instruction of the loop.
643 2005-11-11 Jason Merrill <jason@redhat.com>
646 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
649 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
651 PR rtl-optimization/22509
652 * local-alloc.c (memref_used_between_p): Check whether a function call
653 could not reference the memref.
655 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
657 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
658 algorithm so as to choose the best, not the worst, alternative.
659 Reset accumulated register class before processing next alternative.
661 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
664 * calls.c (expand_call): Copy a return value to a plain register
667 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
670 * varasm.c (assemble_name): Recompute name only for transparent
673 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
675 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
677 2005-11-04 Jeff Law <law@redhat.com>
680 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
681 perform reassociation if the parent statement will not die as
682 a result of the optimization.
684 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
686 * tree-ssa-alias.c (compute_may_aliases): Remove call to
687 delete_old_heap_vars.
688 * tree-dfa.c (referenced_var_remove): Remove function.
689 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
690 (delete_tree_ssa): Remove call to delete_old_heapvars.
691 Add call to delete_alias_heapvars.
692 * tree-flow.h (referenced_var_remove): Remove prototype
693 (init_alias_heapvars): New prototype.
694 (delete_alias_heapvars): Ditto.
695 * Makefile.in (tree-ssa-structalias.o): Add
696 gt-tree-ssa-structalias.o
697 (GTFILES): Add tree-ssa-structalias.h and
698 tree-ssa-structalias.c.
699 (s-gtype): Add gt-tree-ssa-structalias.h.
700 * tree-ssa-structalias.c (heapvars): Remove.
701 (oldheapvars): Remove.
702 (heapvar_for_stmt): New variable.
703 (heapvar_lookup): New function.
704 (heapvar_insert): Ditto.
705 (get_constraint_for): See if we have an old heapvar
707 (init_alias_heapvars): New function.
708 (delete_alias_heapvars): Ditto.
709 Add include of gt-tree-ssa-structalias.h.
711 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
714 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
716 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
718 * tree.c (int_fits_type_p): Only look at the base type
719 if it has the same precision as the original type.
721 2005-11-10 Jakub Jelinek <jakub@redhat.com>
724 * varasm.c (assemble_alias): Use %q+D in the error
725 message instead of %J and %qD.
727 2005-11-10 Richard Guenther <rguenther@suse.de>
729 * gcse.c (free_ldst_entry): Only free hashtable if
732 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
734 * function.c (assign_stack_local_1): Issue an error message if
735 the frame size overflows in the signed target arithmetics.
737 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
739 * tree.c (build_qualified_type): Chain the new type to the original
740 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
741 a POINTER_TYPE or a REFERENCE_TYPE respectively.
742 (build_pointer_type_for_mode): Only return unqualified types.
743 (build_reference_type_for_mode): Likewise.
745 2005-11-09 Jakub Jelinek <jakub@redhat.com>
747 * Makefile.in (gnucompare): Do comparison of all files using one of
748 the chosen methods and only afterwards decide if just warning should
749 be issued or comparison failure raised.
751 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
753 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
754 (noce_try_abs): Negate if the comparison is reversed.
755 Look only one instruction backwards for a REG_EQUAL note.
757 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
760 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
761 gthr-tpf.h: Define __gthrw. For all identifiers that might
762 be weak, introduce weakrefs or non-weak aliases with __gthrw,
763 and prefix all uses with __ghtrw.
765 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
768 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
769 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
770 * c-common.c (handle_weakref_attribute): New.
771 (c_common_attribute_table): Add weakref.
772 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
774 * configure, config.in: Rebuilt.
775 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
776 * doc/extend.texi: Document weakref attribute.
777 * varasm.c (ultimate_transparent_alias_target): New
778 (assemble_name): Use it.
779 (weak_finish_1): Split out of...
780 (weak_finish): ... and deal with weakrefs in...
781 (weakref_targets): ... new list.
782 (globalize_decl): Clean up weakref_targets.
783 (do_assemble_alias): Handle weakrefs.
784 (finish_aliases_1): Do not reject weakrefs to external symbols.
785 (assemble_alias): Handle weakrefs.
787 2005-11-09 Richard Guenther <rguenther@suse.de>
789 PR tree-optimization/24716
790 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
791 t_bool to track results from follow_ssa_edge.
793 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
795 * final.c (force_source_line): New global variable.
796 (final_scan_insn): Set it to true instead of clearing last_filename.
797 (notice_source_line): Return true if force_source_line is true,
798 unless source info is absent.
800 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
803 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
804 a linkage name for a variable if it a register variable.
805 * c-decl.c (grokdeclarator): Global register variables
806 should be set as PUBLIC.
808 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
811 * config/s390/s390.c (struct s390_frame_layout): New fields
812 first_save_gpr_slot and last_save_gpr_slot.
813 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
814 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
815 first_save_gpr and last_save_gpr with the _slot variants.
816 (s390_register_info): Calculate first_save_gpr_slot and
817 last_save_gpr_slot using regs_ever_live.
819 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
822 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
823 for a function containing a landing pad.
825 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
828 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
831 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
833 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
834 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
836 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
839 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
841 (call,load,store): New insn types.
842 (mem_access, branch_access): Adjust reservation conditions.
843 (define_delay): Adjust condition.
844 (decrement_and_branch_until_zero): Allow for ms2. Set branch
846 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
847 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
849 (call_internal, call_value_internal, return_internal,
850 return_interrupt_internal, eh_return_internal, indirect_jump,
851 tablejump): Set call insn type.
852 (blockage, ei, di): Use appropriate unspec const.
853 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
854 (ms1_get_attr_type): Adjust to give load & store types.
855 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
856 backwards past a barrier.
857 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
859 (struct branch_info, struct label_info): New.
861 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
862 (ms1_machine_reorg): New.
863 (TARGET_MACHINE_DEPENDENT_REORG): Override.
864 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
865 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
866 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
869 2005-11-09 Per Bothner <per@bothner.com>
870 Uros Bizjak <uros@kss-loka.si>
873 * toplev.c (process_options): Initialize debug_hooks early
874 in case lang_hooks.post_options ends up calling a debug_hook.
876 2005-11-08 Jakub Jelinek <jakub@redhat.com>
878 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
879 DBX_REGISTER_NUMBER being contiguous.
881 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
882 Diego Novillo <dnovillo@redhat.com>
885 * tree-vrp.c (register_edge_assert_for): Do not register
886 always-false predicates.
888 2005-11-08 Devang Patel <dpatel@apple.com>
890 PR tree-optimization/23115
891 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
894 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
896 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
899 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
901 Fix PR tree-optimization/23382
903 * tree-ssa-alias.c (compute_may_aliases): Call
904 delete_old_heap_vars.
905 * tree-dfa.c (referenced_var_remove): New function.
906 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
907 * tree-flow.h (referenced_var_remove): Add prototype.
908 (delete_old_heap_vars): Ditto.
909 * tree-ssa-structalias.c (heapvars): New variable.
910 (oldheapvars): Ditto.
911 (get_constraint_for): Put heap vars on heapvars list.
912 (delete_old_heap_vars): New function.
914 2005-11-08 Jason Merrill <jason@redhat.com>
916 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
918 2005-11-08 Uros Bizjak <uros@kss-loka.si>
921 * reg-stack.c (reg_to_stack): Update register liveness also
922 for flag_sched2_use_traces.
924 2005-11-08 Alan Modra <amodra@bigpond.net.au>
927 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
928 override prior explicit -mno-powerpc-gfxopt.
930 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
932 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
933 if the bitsize is zero.
934 * doc/md.texi (Standard Pattern Names): Document it.
936 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
937 (TARGET_PASS_BY_REFERENCE): Likewise.
939 2005-11-07 Ian Lance Taylor <ian@airs.com>
941 PR rtl-optimization/24683
942 * config/i386/i386.c (legitimize_pic_address): If constant operand
943 to PLUS is too large, put it in a register.
945 2005-11-07 Jie Zhang <jie.zhang@analog.com>
947 * configure.ac: Enable checking assembler dwarf2 support for bfin
949 * configure: Regenerate.
951 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
955 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
956 gen_easy_vector_constant_add_self): Delete.
957 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
959 (output_vec_const_move): Use gen_easy_altivec_constant.
960 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
961 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
962 (easy_vector_constant_add_self): Rewritten.
963 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
964 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
965 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
966 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
967 Macroize and adjust for the other changes.
969 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
973 * c-typeck.c (build_c_cast): Try using a shared constant, and see
974 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
976 2005-11-07 Jakub Jelinek <jakub@redhat.com>
978 PR rtl-optimization/23567
979 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
980 (noce_process_if_block): Don't do any optimizations except
981 if (cond) x = x; if !set_b and write into orig_x may trap
982 or fault. Remove the MEM_READONLY_P check.
984 2005-11-06 Diego Novillo <dnovillo@redhat.com>
987 * tree-vrp.c (fix_equivalence_set): New.
988 (extract_range_from_assert): Call it.
990 2005-11-05 Ian Lance Taylor <ian@airs.com>
993 * combine.c (apply_distributive_law): Don't distribute across a
996 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
998 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
999 config/ms1/ms1.h, config/rs6000/predicates.md,
1000 config/s390/s390.c, params.def, postreload-gcse.c,
1001 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
1002 tree-vrp.c, tree.c: Fix comment typos.
1003 * doc/invoke.texi: Fix typos.
1005 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
1007 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
1008 for testing whether the data_dependence_relation contains distance
1009 vectors. Iterate over all distance vectors of the ddr.
1010 * lambda.h: Define a vec of lambda_vector pointers.
1011 * tree-data-ref.c (dump_data_dependence_relation,
1012 dump_data_dependence_direction): Iterate over all distance and
1013 direction vectors of the ddr.
1014 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
1016 (build_classic_dist_vector, build_classic_dir_vector): Push a set
1017 of distance/direction vectors instead of a single one.
1018 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
1019 lambda_vectors with a vec of lambda_vectors.
1020 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
1021 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
1022 DDR_NUM_DIST_VECTS): New.
1023 * tree-loop-linear.c (gather_interchange_stats): Test for the
1024 existence of distance vectors only after having checked that there
1025 is a dependence. Iterate over all distance vectors of the ddr.
1026 (linear_transform_loops): Use dump_data_dependence_relation.
1027 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
1028 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
1029 distance vectors of the ddr.
1031 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
1033 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
1034 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
1035 IS_INTHANDLER; all callers changed.
1036 (n_regs_saved_by_prologue): Take interrupt handler attributes into
1038 (do_link, do_unlink): New argument ALL; all callers changed.
1039 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
1040 If function isn't leaf, save and restore all registers.
1041 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
1044 2005-11-05 Jan Hubicka <jh@suse.cz>
1046 PR rtl-optimization/23490
1047 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
1048 max-flow-memory-location): Document.
1049 * flow.c: Include params.h
1050 (MAX_MEM_SET_LIST_LEN): Kill.
1051 (add_to_mem_set_list): Use new param.
1052 * cse.c (cse_basic_block): Replace 1000 by new param.
1053 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
1054 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
1055 * predict.c (predict_loops): Use new param.
1056 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
1058 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
1059 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
1060 Do not hold memory returned by cgraph_node_name across other call.
1062 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
1065 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
1068 2005-11-04 Jeff Law <law@redhat.com>
1071 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
1072 * tree-ssa-dom.c: Include params.h.
1073 (thread_across_edge): If there are too many statements in the
1074 target block, then do not thread through it.
1075 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
1076 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
1078 2005-11-03 Diego Novillo <dnovillo@redhat.com>
1081 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
1082 TODO_update_ssa instead of TODO_update_ssa_no_phi.
1084 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
1087 * tree-scalar-evolution.c (instantiate_parameters_1,
1088 instantiate_parameters, resolve_mixers): Compute the size of an
1089 expression to be instantiated and give up the instantiation if the
1090 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1092 2005-11-04 Richard Guenther <rguenther@suse.de>
1094 * tree-flow.h (ref_contains_indirect_ref): Rename to
1095 array_ref_contains_indirect_ref.
1096 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
1097 (array_ref_contains_indirect_ref): Make comment match the code
1099 (ref_contains_array_ref): Likewise.
1100 * tree-ssa-structalias.c (find_func_aliases): Remove call to
1101 ref_contains_indirect_ref.
1102 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1103 Rename calls to ref_contains_indirect_ref.
1105 2005-11-04 Paul Brook <paul@codesourcery.com>
1107 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
1108 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
1109 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1110 * config/arm/arm.md: Use match_operand in peephole input templates
1111 and match_dup in peephole output templates.
1113 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1115 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
1118 2005-11-04 Mark Mitchell <mark@codesourcery.com>
1119 Daniel Jacobowitz <dan@codesourcery.com>
1121 * longlong.h (add_ssaaaa): Clobber condition code register
1123 (sub_ddmmss): Likewise.
1124 (umul_ppmm): Likewise.
1126 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1127 Paul Brook <paul@codesourcery.com>
1128 Phil Blundell <pb@reciva.com>
1130 * configure.ac: Add test for ARM TLS support.
1131 * configure: Regenerated.
1132 * config/arm/arm-protos.h (legitimize_tls_address)
1133 (arm_tls_referenced_p, tls_mentioned_p)
1134 (arm_output_addr_const_extra): New prototypes.
1135 (thumb_legitimize_pic_address): Delete.
1136 * config/arm/arm.c: Include "gt-arm.h".
1137 (enum tls_reloc): New.
1138 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
1139 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
1140 (arm_call_tls_get_addr, legitimize_tls_address)
1141 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
1142 (arm_init_tls_builtins, arm_emit_tls_decoration)
1143 (arm_output_addr_const_extra): New functions.
1144 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
1145 (TARGET_HAVE_TLS): Define.
1146 (target_thread_pointer): New.
1147 (arm_override_options): Handle -mtp=.
1148 (legitimize_pic_address): Ignore UNSPECs.
1149 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
1151 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
1152 (tls_get_addr_libfunc): New variable.
1153 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
1154 (arm_init_builtins): Call arm_init_tls_builtins.
1155 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
1156 (arm_encode_section_info): Call default_encode_section_info.
1157 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
1158 (enum arm_tp_type): New.
1159 (target_thread_pointer): Add declaration.
1160 (LEGITIMATE_CONSTANT_P): Handle TLS.
1161 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
1162 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
1163 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
1164 * config/arm/arm.md: Add UNSPEC_TLS.
1165 (movsi): Handle TLS.
1166 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
1168 (tls_load_dot_plus_eight): New insn and a peephole to create it.
1169 (load_tp_hard, load_tp_soft): New insns.
1170 * arm.opt: Add -mtp=.
1171 * doc/invoke.texi (ARM Options): Document -mtp.
1173 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1175 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
1176 * config/arm/libunwind.S: Include "lib1funcs.asm".
1177 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
1178 (LIB2ADDEH): Add libunwind.S.
1179 (LIB2ADDEHDEP): Add lib1funcs.asm.
1180 * mklibgcc.in: Handle asm files in libgcc_eh.a.
1182 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1185 * gcc/c.opt: Add a -lang-fortran option.
1186 * gcc/c-opts.c: Add a lang_fortran flag.
1187 (c_common_init_options): Handling the -lang-fortran option.
1188 (c_common_handle_option): Add a case for Fortran options in
1189 preprocessing. Remove cases for -ffixed-form and
1190 -ffixed-line-length. Add a case for -lang-fortran.
1192 2005-11-03 David Edelsohn <edelsohn@gnu.org>
1194 * config/rs6000/rs6000.c: Include params.h
1195 (optimization_options): Set max-grow-copy-bb-insns default to 16.
1196 (bdesc_2arg): Delete vpkuhss and vpkuwss.
1197 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
1198 (UNSPEC_VPKUWSS): Delete.
1199 (altivec_vpkuhss): Delete.
1200 (altivec_vpkuwss): Delete.
1201 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
1203 (neg_eq0<mode>): Remove final condition.
1204 (neg_eq<mode>): Remove condition and split-condition.
1206 2005-11-04 Alan Modra <amodra@bigpond.net.au>
1208 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
1209 Use associated print macros.
1211 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
1214 * diagnostic.c (diagnostic_set_info_translated): New function.
1215 (diagnostic_set_info): Use it. Add comment.
1216 * diagnostic.h (diagnostic_set_info_translated): Declare.
1218 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
1220 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
1221 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
1222 reference only if 'public' is true.
1223 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
1224 emit the .hidden directive only if the indirect reference is public.
1225 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
1226 Pass it to dw2_force_const_mem.
1227 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
1228 * dwarf2out.c (output_cfi): Adjust calls to above function.
1229 (output_call_frame_info): Likewise.
1230 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
1231 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
1233 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
1235 PR tree-optimization/24483
1236 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
1237 field to elts if possible.
1239 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
1242 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
1245 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
1247 Fix PR tree-optimization/24351
1249 * tree-ssa-structalias.c (struct variable_info): Add
1251 (get_varinfo_fc): New function to follow collapsing.
1252 (new_var_info): Set collapsed_to to NULL.
1253 (dump_constraint): Follow collapsing.
1254 (build_constraint_graph): Handle collapsing.
1255 (do_simple_structure_copy): Return false if something bad
1257 (collapse_rest_of_var): New function.
1258 (do_structure_copy): Collapse if do_simple_structure_copy returns
1261 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
1264 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
1265 expressions to a statement list instead of gimplifying them.
1267 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1269 PR rtl-optimization/23585
1270 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
1271 that can't trap plus a constant integer, if the mode has zero size.
1273 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
1276 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
1278 ("*insv<mode>_reg_extimm"): Likewise.
1280 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
1283 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
1284 c_common_type_for_mode returns an unnamed type.
1286 2005-11-02 Richard Henderson <rth@redhat.com>
1290 * dwarf2out.c (dwarf2out_reg_save_reg): New.
1291 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
1292 * function.c (assign_parms): Use calls.internal_arg_pointer.
1293 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
1295 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
1296 (TARGET_CALLS): Add it.
1297 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
1298 * targhooks.c (default_internal_arg_pointer): New.
1299 * targhooks.h (default_internal_arg_pointer): Declare.
1300 * tree.h (dwarf2out_reg_save_reg): Declare.
1301 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
1302 * config/i386/i386.c (dbx_register_map): Add return column.
1303 (dbx64_register_map, svr4_dbx_register_map): Likewise.
1304 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
1305 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
1306 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
1307 (ix86_save_reg): Save force_align_arg_pointer.
1308 (ix86_emit_save_regs): Make regno unsigned.
1309 (ix86_emit_save_regs_using_mov): Likewise.
1310 (ix86_expand_prologue): Handle force_align_arg_pointer.
1311 (ix86_expand_epilogue): Likewise.
1312 * config/i386/i386.h: (dbx_register_map): Update.
1313 (dbx64_register_map, svr4_dbx_register_map): Update.
1314 (struct machine_function): Add force_align_arg_pointer.
1315 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
1316 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
1317 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
1319 2005-11-02 Jan Hubicka <jh@suse.cz>
1322 * i386.md: Add peep2 for simplyfing array accesses.
1324 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
1327 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
1328 * config/s390/s390.c (s390_decompose_shift_count): New function.
1329 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
1330 (print_shift_count_operand): Use s390_decompose_shift_count.
1331 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
1332 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
1334 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
1337 * loop.c (loop_givs_rescan): Use force_operand to expand
1340 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
1343 * fold-const.c (build_range_check): Use unsigned when signed
1344 overflow is undefined also. If etype is subtype, make sure that
1345 the subtraction is in the supertype.
1347 2005-11-02 Richard Henderson <rth@redhat.com>
1350 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
1353 2005-11-01 Richard Henderson <rth@redhat.com>
1356 * loop.c (scan_loop): Do not propagate computations to a hard
1357 register destination with SMALL_REGISTER_CLASSES.
1359 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
1361 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
1362 costs for MULT inside PLUS or MINUS.
1364 2005-11-01 Bob Wilson <bob.wilson@acm.org>
1366 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
1367 (TRAMPOLINE_SIZE): Round up to 60.
1368 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
1370 2005-10-31 James E. Wilson <wilson@specifix.com>
1373 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
1374 ifdef. Put ifdefs around call in gen_subprogram_die.
1375 (compute_frame_pointer_to_cfa_displacement): Likewise.
1376 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
1379 PR rtl-optimization/17356
1380 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
1381 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
1383 2005-10-31 Jan Hubicka <jh@suse.cz>
1386 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
1389 * i386.c (legitimize_pic_address): Deal with large immediates.
1392 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
1393 from symbol names while computing checkup.
1396 * predict.c (predict_loops): Do not estimate more than
1397 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
1398 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
1400 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
1402 PR tree-optimization/19097
1403 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
1405 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
1407 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
1409 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
1412 * tree-inline.c (setup_one_parameter): If the init_stmt
1413 is NULL, don't insert the statement.
1415 2005-10-30 Jan Hubicka <jh@suse.cz>
1417 PR tree-optimization/24172
1418 * tree-inline.c (copy_body_r): Unshare the substituted value first.
1420 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
1422 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
1423 constants for hosts with long != 32 bits.
1425 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
1428 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
1430 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
1432 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
1433 (TARGET_MS1_16_002): New.
1434 (TARGET_MS1_16_003): New.
1436 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
1437 ("*decrement_and_branch_until_zero_no_clobber"): New.
1438 Add corresponding splitter for decrement_and_branch_until_zero
1440 Key all decrement_and_branch_until_zero patterns off of
1443 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
1446 * tree-complex.c (extract_component): Treat RESULT_DECL
1447 like the rest of the decls.
1449 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
1451 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
1452 indirect call to _mcount if the function needs a static chain.
1454 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
1455 Caroline Tice <ctice@apple.com>
1457 PR rtl-optimization/24460
1458 * dwarf2out.c (have_switched_text_sections): New boolean variable.
1459 (dwarf2out_switch_text_section): Set it to true instead of
1460 incrementing separate_line_info_table_in_use.
1461 (output_loc_list): Additionally test have_switched_text_sections.
1462 (output_ranges): Likewise.
1463 (dwarf2out_finish): Likewise.
1464 * varasm.c (assemble_start_function): Do not call
1465 insert_section_boundary_note.
1466 (assemble_end_function): If flag_reorder_blocks_and_partition,
1467 switch to the function's section before emitting the .size directive.
1468 * bb-reorder.c (insert_section_boundary_note): Staticify.
1469 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
1470 * output.h (insert_section_boundary_note): Delete.
1472 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
1475 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
1476 instead of pointer equality when comparing types.
1478 2005-10-24 James E. Wilson <wilson@specifix.com>
1480 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
1481 add_dependence_list_and_free calls.
1483 2005-10-24 Steven Bosscher <stevenb@suse.de>
1485 * contrib.texi: Add the names of the LLNL folks who donated
1486 Cray pointer support for gfortran.
1488 2005-10-24 Steven Bosscher <stevenb@suse.de>
1490 PR tree-optimization/24225
1491 * profile.c (branch_prob): Look from end to start through a
1492 basic block when looking for a locus.
1494 2005-10-24 Richard Henderson <rth@redhat.com>
1496 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
1498 (hppa_expand_prologue): Likewise.
1500 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1502 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
1503 (NO_DEFERRED_PROFILE_COUNTERS): Define.
1504 * pa.h (NO_PROFILE_COUNTERS): Define.
1505 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
1506 (funcdef_nos): New vector to hold label numbers of deferred profile
1508 (output_deferred_profile_counters): New function.
1509 (hppa_profile_hook): Push label number onto funcdef_nos.
1510 (pa_hpux_file_end): Call output_deferred_profile_counters if
1511 NO_DEFERRED_PROFILE_COUNTERS is false.
1513 * pa-protos.h (get_deferred_plabel): New prototype.
1514 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
1516 (output_call): Adjust calls.
1518 2005-10-24 Alan Modra <amodra@bigpond.net.au>
1520 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
1521 peculiarity of GOT/TOC section usage.
1523 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
1526 * c-common.c (constant_string_class_name): Add documentation.
1528 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
1531 * recog.c (peephole2_optimize): Increment peep2_current_count
1532 only when the slot is empty.
1534 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1537 * except.c (output_function_exception_table): Call
1538 assemble_external_libcall if we need a personality function.
1540 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1542 PR rtl-optimization/24460
1543 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
1544 set the basic block for barriers.
1546 2005-10-21 Janis Johnson <janis187@us.ibm.com>
1548 * var-tracking.c (vt_initialize): Initialize post.
1550 2005-10-21 Devang Patel <dpatel@apple.com>
1553 * c-common.c (vector_types_convertible_p): Check vector element type.
1555 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
1557 * config/sh/sh.c (prepare_move_operands): Handle the address
1558 constant which is a tls symbolic address plus a constant.
1560 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
1563 * gcc.c (main): Use the correct counter for erroring out
1564 about mulitple files.
1566 2005-10-21 Alan Modra <amodra@bigpond.net.au>
1569 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
1570 use r2 for 64-bit tls .got access.
1572 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
1574 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
1577 2005-10-20 Steven Bosscher <stevenb@suse.de>
1579 PR tree-optimization/24307
1580 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
1582 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
1585 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
1587 * varasm.c (find_decl_and_mark_needed): After cgraph global info
1588 is ready, stop marking functions, but still mark variables.
1590 2005-10-20 Richard Guenther <rguenther@suse.de>
1593 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
1596 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1598 PR rtl-optimization/23585
1599 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
1600 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
1601 (may_trap_p_1): New predicate extracted from...
1602 (may_trap_p): ... here. Invoke may_trap_p_1.
1603 (may_trap_or_fault_p): New predicate.
1604 * rtl.h (may_trap_or_fault_p): Declare it.
1605 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
1606 instead of may_trap_p.
1607 (steal_delay_list_from_fallthrough): Likewise.
1608 (fill_simple_delay_slots): Likewise.
1609 (fill_slots_from_thread): Likewise.
1610 * function.c (pad_to_arg_alignment): Rework comment about
1611 SPARC_STACK_BOUNDARY_HACK.
1612 * config/sparc/sparc.h: Likewise.
1614 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
1616 * config/s390/s390.c (s390_expand_insv): New.
1617 * config/s390/s390-protos.h (s390_expand_insv): Declare.
1618 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
1619 ("icm_hi"): Remove mode attribute.
1620 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
1622 ("*extracthi", "*extractqi"): Remove.
1623 (extv<mode>", "*extzv<mode>"): New.
1624 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
1625 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
1627 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1629 * cfgexpand.c (discover_nonconstant_array_refs_r,
1630 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
1631 (tree_expand_cfg): Call discover_nonconstant_array_refs.
1632 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
1633 discover_nonconstant_array_refs.
1635 2005-10-19 Steven Bosscher <stevenb@suse.de>
1638 * c-decl.c (pop_scope): Don't warn about an unused variable
1639 if it is marked with TREE_NO_WARNING.
1640 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
1641 somenow mismatch and olddecl is to be replaced.
1643 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
1646 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
1647 whether registers live on the edge can be saved/restored.
1649 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
1651 * config/sh/sh.c (fixup_mova): Skip notes.
1653 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1655 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
1656 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
1657 (s390_can_eliminate): Handle BASE_REGNUM elimination.
1658 (s390_initial_elimination_offset): Likewise.
1659 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
1660 register on TARGET_ZARCH targets.
1661 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
1662 (INITIAL_FRAME_POINTER_OFFSET): Remove.
1663 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
1664 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
1666 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1668 * config/s390/s390.md: Comment describing output modifiers updated.
1669 * config/s390/s390.c (print_operand): Likewise.
1671 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1673 * config/s390/s390.c (override_options): Added check for -mstack-size
1675 * doc/invoke.texi: Mention that limit in the documenation.
1677 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
1680 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
1682 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
1684 Fix PR tree-optimization/24231
1686 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
1687 (compute_avail): Ditto.
1689 2005-10-18 Richard Henderson <rth@redhat.com>
1692 * config/i386/i386.c (legitimate_constant_p): Check
1693 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
1695 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
1696 (legitimate_pic_address_disp_p): Reorg CONST checking to make
1697 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
1699 (print_operand_address): Likewise.
1700 * config/i386/predicates.md (x86_64_immediate_operand): Test
1701 SYMBOL_REF_TLS_MODEL properly inside CONST.
1702 (x86_64_zext_immediate_operand): Likewise.
1703 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
1704 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
1705 * config/i386/i386-protos.h: Remove predicates.md entries.
1707 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
1709 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1710 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
1712 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
1713 Ian Lance Taylor <ian@airs.com>
1716 * fold-const.c (fold_widened_comparison): Do not allow range based
1717 constant folding when right operand cannot be unwidened.
1719 2005-10-17 Richard Henderson <rth@redhat.com>
1721 * builtins.c (expand_builtin_synchronize): Build a new-style asm
1722 with a memory clobber.
1724 2005-10-17 James E Wilson <wilson@specifix.com>
1726 PR rtl-optimization/17356
1727 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
1728 checking for EDGE_EH.
1730 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1732 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
1733 the slot on an even boundary for any type with 16-byte alignment.
1735 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
1738 * md.texi (Modifiers) <%>: Clarify that % doesn't work
1739 after register allocation.
1741 2005-10-17 DJ Delorie <dj@redhat.com>
1743 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
1746 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
1749 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
1752 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
1754 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
1755 to 2 if it's already non-zero.
1756 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
1757 is set and warn about it if flag_schedule_insns is 1.
1759 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
1761 * config/crx/crx.md: Compare-and-branch instructions need to
1764 2005-10-17 Uros Bizjak <uros@kss-loka.si>
1767 * config/i386/i386.md (*pushdi2_rex64 splitter)
1768 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
1769 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
1770 flow2 pass only when (optimize > 0 && flag_peephole2).
1772 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
1775 * gcc.c (have_c): New static variable.
1777 (process_command): Remove declation of have_c.
1778 Set have_o to 1 when handling -o.
1779 (main): Add a fatel error if there are multiple
1780 files specified and -o and -c/-S is passed witout
1781 -combine or multiple languages.
1783 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
1785 Fix PR tree-optimization/22444
1786 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
1787 Assert that we don't hit something with subvars.
1788 (setup_pointers_and_addressables): Don't add things with subvars,
1789 because we'll already process the subvars for aliasing purposes.
1791 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
1794 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
1795 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
1796 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
1797 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
1798 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
1799 swapped, alternatives for the R constraint.
1802 * builtins.c (get_builtin_sync_mode): Make unlimited
1803 mode_for_size request.
1805 2005-10-15 Richard Henderson <rth@redhat.com>
1807 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
1808 (gimplify_expr): ... here.
1809 (gimplify_compound_lval): Use it in initial scan loop. Allow
1810 fb_lvalue in base expression.
1812 2005-10-15 Richard Henderson <rth@redhat.com>
1815 * builtins.c (expand_builtin_trap): Export.
1816 * expr.h (expand_builtin_trap): Declare.
1817 * expr.c (expand_assignment): Emit a trap for integral offsets
1818 from registers that weren't reduced to bitpos.
1820 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
1821 (mark_array_ref_addressable): Remove.
1822 * tree-flow.h (mark_array_ref_addressable): Remove.
1823 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
1825 2005-10-15 James E Wilson <wilson@specifix.com>
1828 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
1829 (add_dependence_list_and_free): Likewise.
1830 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
1833 2005-10-15 Diego Novillo <dnovillo@redhat.com>
1837 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
1838 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
1840 (vrp_visit_phi_node): Only prevent infinite iterations when
1841 the previous result and the new result are both VR_RANGEs.
1843 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
1845 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
1848 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1851 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
1854 2005-10-14 Per Bothner <per@bothner.com>
1856 PR preprocessor/21250
1857 * c-ppoutput.c (print_line): Print internal line 0 as 1.
1859 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
1862 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
1863 overflow flags. Refactor some conditionals.
1865 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
1868 * tree-dfa.c (add_referenced_var): Only look at decls which
1869 have TREE_CONSTANT or TREE_READONLY set instead of if
1870 !TREE_PUBLIC or !TREE_CONSTANT.
1872 2005-10-13 James E Wilson <wilson@specifix.com>
1874 * doc/invoke.texi: For -x, add f95-cpp-input.
1875 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
1877 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
1879 PR tree-optimization/24262
1880 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
1881 in loop all the time.
1883 2005-10-12 Richard Henderson <rth@redhat.com>
1886 * tree.h (DECL_TRANSPARENT_UNION): Remove.
1887 * function.c (assign_parm_find_data_types): Don't support it.
1888 * print-tree.c (print_node): Likewise.
1889 * c-common.c (handle_transparent_union_attribute): Likewise.
1890 Use build_duplicate_type.
1891 * tree-inline.c (remap_type_1): Split out of remap_type;
1892 properly remap aggregate fields.
1893 (build_duplicate_type): New.
1894 * doc/extend.texi (Variable Attributes): Remove documentation
1895 for transparent_union.
1897 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1900 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
1901 (gen_stack_pointer_dec): Likewise.
1903 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
1907 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
1909 (struct cxx): Add adjust_class_at_definition target hook.
1910 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
1911 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
1912 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
1913 hook_void_tree. Add to TARGET_CXX.
1914 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
1916 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
1917 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
1918 instead of attribute. Check for dllexport override. Warn if
1919 inconsistent dll linkage. Don't lose old dllimport if decl has
1920 had address referenced. Tweak lookup of dllimport atribute.
1921 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
1922 for target specific rules. Don't add dllimport attribute if
1923 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
1924 dllimport attribute.
1925 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
1926 * varasm.c (initializer_constant_valid_p): Replace
1927 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
1931 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
1932 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
1933 (i[34567]86-*-mingw32*): Likewise.
1935 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
1936 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
1938 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
1939 C++-specific code. Change return value to bool.
1940 (i386_pe_dllimport_p): Likewise.
1941 (associated_type): Simplify and make language-independent
1942 (i386_pe_encode_section_info): Replace override of ambiguous
1943 dllimport symbol refs with a gcc_assert.
1944 (i386_pe_valid_dllimport_attribute_p): Define.
1945 * config/i386/winnt-cxx.c: New file. Define C++ versions of
1946 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1947 i386_pe_adjust_class_at_definition.
1948 * config/i386/winnt-stubs.c: New file. Define stub versions of
1949 lang-specific functions.
1950 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
1951 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1952 i386_pe_adjust_class_at_definition.
1953 (i386_pe_valid_dllimport_attribute_p): Declare.
1954 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
1955 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
1956 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
1959 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
1960 dllimport attribute with test of DECL_DLLIMPORT_P.
1962 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
1964 * combine.c (make_extraction): Correct offset computation.
1966 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
1968 * config/cris/t-linux (LIMITS_H_TEST): Define.
1970 2005-10-12 Richard Henderson <rth@redhat.com>
1973 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
1975 2005-10-12 Richard Guenther <rguenther@suse.de>
1977 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
1979 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
1982 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
1983 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
1986 2005-10-12 Richard Guenther <rguenther@suse.de>
1989 * varasm.c (output_constant): Correct typo from previous
1992 2005-10-11 Ian Lance Taylor <ian@airs.com>
1994 PR rtl-optimization/13931
1995 * combine.c: Revert patch of 2003-05-14, and:
1996 (try_combine): Only set elim_i1 and elim_i2 if the destination is
1997 completely killed in the appropriate insn.
1998 (distribute_notes): Don't skip multiple hard register test for
1999 elim_i1 and elim_i2.
2001 2005-10-11 Richard Henderson <rth@redhat.com>
2004 * c-typeck.c (convert_for_assignment): Use build_constructor_single
2005 to initialize a transparent union instead of a nop_expr.
2007 2005-10-11 Richard Henderson <rth@redhat.com>
2009 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
2010 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
2011 (tree_ssa_dce_loop): Call scev_reset.
2014 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
2015 * tree-ssa-dce.c: Include cfgloop.h.
2016 (tree_ssa_dce_loop, pass_dce_loop): New.
2017 * tree-pass.h (pass_dce_loop): Declare it.
2018 * passes.c (init_optimization_passes): Use it.
2020 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2023 * convert.c (convert_to_real): Revert 2005-10-05 patch.
2024 Only apply the optimization for rounding builtins if the inner
2025 cast is also an extension.
2027 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
2030 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
2031 mark_new_vars_to_rename instead of update_stmt.
2033 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
2035 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
2037 2005-10-11 Jakub Jelinek <jakub@redhat.com>
2039 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
2040 for setting MMX register to 0 rather than mmx.
2042 2005-10-10 Steve Ellcey <sje@cup.hp.com>
2045 * configure.ac: Move gas check from mips specific case to common case.
2046 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
2047 * configure: Regenerate
2048 * doc/install.texi: Update.
2050 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2053 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
2055 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
2057 * gcc.c (do_spec_1): Accept numeric characters in file name
2060 2005-10-10 Nick Clifton <nickc@redhat.com>
2062 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
2063 describing the deleted arm_gen_rotated_half_load function.
2065 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
2067 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
2070 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
2072 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
2074 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
2075 (EXTRA_MULTILIB_PARTS): Define.
2076 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2077 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2078 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
2079 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2080 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2081 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
2083 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
2085 PR tree-optimization/24226
2086 * tree-cfg.c (remove_bb): Clean up unreachable loops.
2087 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
2088 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
2091 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2093 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
2095 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
2098 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
2099 Rewrite for no need for the early clobber.
2101 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
2103 Merge from csl-arm-branch:
2104 2005-09-07 Paul Brook <paul@codesourcery.com>
2105 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
2108 2005-04-30 Paul Brook <paul@codesourcery.com>
2109 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
2110 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
2112 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
2113 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
2114 (arm_override_options): Use TARGET_AAPCS_BASED.
2115 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
2116 (PTRDIFF_TYPE): Use int for AAPCS.
2117 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
2118 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
2119 (DEFAULT_SHORT_ENUMS): Delete.
2120 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
2122 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
2123 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
2124 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
2125 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
2127 2004-12-03 Mark Mitchell <mark@codesourcery.com>
2128 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
2130 2004-11-22 Mark Mitchell <mark@codesourcery.com>
2131 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
2133 2004-11-19 Mark Mitchell <mark@codesourcery.com>
2134 * config.gcc (arm*-*-linux-gnueabi): Add it.
2135 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
2137 (TARGET_OS_CPP_BUILTINS): Likeiwse.
2138 * config/arm/linux-eabi.h: New file.
2139 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
2140 (LINUX_TARET_LINK_SPEC): Likewise.
2141 (LINK_SPEC): Use it.
2142 * config/arm/t-linux-eabi: New file.
2144 2005-10-08 Steven Bosscher <stevenb@suse.de>
2147 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
2149 (PARAM_SMS_DFA_HISTORY): Likewise.
2151 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
2154 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
2155 (load_register_parameters): Call it.
2156 (check_sibcall_argument_overlap_1): Likewise.
2157 (store_one_arg): Likewise.
2159 2005-10-07 James E. Wilson <wilson@specifix.com>
2161 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
2162 DImode not VECINT24 for operand 2.
2165 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
2169 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
2170 fr_spill): Use destination_operand for operand 0.
2172 2005-10-07 DJ Delorie <dj@redhat.com>
2174 * varasm.c (output_constant): Limit error to expanding
2177 2005-10-07 Richard Guenther <rguenther@suse.de>
2180 * fold-const.c (fold_binary): Fix operand types during folding
2181 of X op (A, Y). Evaluation order of the side-effects of
2182 X and A are frontend-defined, so ensure we honour that even for
2183 tcc_comparison class operands; eased by removing duplicate code.
2185 2005-10-07 Steve Ellcey <sje@cup.hp.com>
2187 * stor-layout.c (layout_type): Do not allow alignment of array
2188 elements to be greater than their size.
2190 2005-10-07 Steve Ellcey <sje@cup.hp.com>
2192 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
2194 (hppa*-*-linux*): Ditto.
2195 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
2196 * config/host-hpux.c: New.
2197 * config/x-hpux: New.
2198 * config/pa/x-hpux: Remove.
2199 * config/pa/x-linux: Remove.
2200 * config/pa/pa-host.c: Remove.
2202 2005-10-07 Jeff Law <law@redhat.com>
2204 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
2205 determine whether or not to try and thread outgoing edges.
2207 2005-10-07 David Edelsohn <edelsohn@gnu.org>
2209 * config/rs6000/rs6000.md (eqsi_power): New.
2210 (neg_eq0si): Add TARGET_POWER to final condition.
2213 2005-10-06 Richard Henderson <rth@redhat.com>
2215 * config/rs6000/rs6000.c: Revert last change.
2217 2005-10-06 Richard Henderson <rth@redhat.com>
2219 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
2220 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
2222 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
2226 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
2227 out return_label and naked_return_label.
2229 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
2231 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
2234 2005-10-06 Richard Henderson <rth@redhat.com>
2237 * tree-inline.c (declare_return_variable): Handle modify_dest not
2240 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
2242 Fix PR tree-optimization/22488
2243 * tree-ssa-structalias.c (check_for_overlaps): New function.
2244 (create_variable_info_for): Use it.
2246 2005-10-06 Richard Henderson <rth@redhat.com>
2249 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
2250 (dwarf2out_start_source_file): Print it.
2252 2005-10-06 Geoffrey Keating <geoffk@apple.com>
2254 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
2256 2005-10-06 Richard Henderson <rth@redhat.com>
2259 * mode-switching.c (optimize_mode_switching): Clear transp bit
2260 for block with incomming abnormal edges.
2262 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
2263 (fpscr_set_from_mem): Use them.
2264 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
2265 (fpscr postinc splitters): Rewrite as peephole2+split.
2267 2005-10-06 David Edelsohn <edelsohn@gnu.org>
2269 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
2270 (eq<mode>_compare): Same.
2272 2005-10-06 Richard Guenther <rguenther@suse.de>
2274 PR tree-optimization/24238
2275 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
2277 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
2279 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
2280 here. Use AC_PATH_PROG for environment variables instead of
2282 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
2284 * configure: Regenerated.
2286 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
2289 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
2290 then force it into a register.
2291 (call_value): Likewise.
2293 2005-10-06 Richard Henderson <rth@redhat.com>
2296 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
2297 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
2298 under pass_vectorize.
2300 2005-10-05 Devang Patel <dpatel@apple.com>
2303 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
2304 handling constants. Check NAMESPACE_DECL context for constants.
2306 2005-10-05 Eric Christopher <echristo@apple.com>
2308 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
2310 2005-10-05 Richard Henderson <rth@redhat.com>
2313 * tree-cfg.c (mark_array_ref_addressable_1): New.
2314 (mark_array_ref_addressable): New.
2315 * tree-flow.h (mark_array_ref_addressable): Declare.
2316 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
2318 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
2322 * reload.c (subst_reloads): When adding a REG_LABEL to a
2323 jump instruction, also update JUMP_LABEL.
2325 2005-10-05 David Edelsohn <edelsohn@gnu.org>
2327 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
2328 * bb-reorder.c (copy_bb_p): Use it.
2329 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
2331 2005-10-05 Richard Henderson <rth@redhat.com>
2334 * toplev.c (process_options): Warn about unsupported combinations
2335 of unwind tables and omit-frame-pointer.
2336 * config/i386/i386.c (override_options): Similarly. Enable
2337 accumulate-outgoing-args if not explicitly disabled.
2339 2005-10-05 Steve Ellcey <sje@cup.hp.com>
2341 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
2342 Handle big endian vs. small endian.
2343 (vec_initv2sf): Handle big endian vs. small endian.
2344 (*vec_extractv2sf_1): Ditto.
2346 2005-10-05 Dale Johannesen <dalej@apple.com>
2348 * convert.c (convert_to_real): Don't convert
2349 (float)floor(double d) to floorf((float)d).
2351 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
2353 * config/arm/arm.md (insv): Use gen_int_mode in more places.
2355 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
2357 PR tree-optimization/18587
2358 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
2359 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
2360 build_vuses): Change to VEC type.
2361 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
2362 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
2363 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
2364 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
2365 (get_name_decl): New. Return DECL_UID of base variable.
2366 (operand_build_cmp): New. qsort comparison routine.
2367 (operand_build_sort_virtual): New. Sort virtual build vector.
2368 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
2369 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
2370 (FINALIZE_BASE): Use get_name_decl.
2371 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
2372 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
2373 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
2374 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
2375 direct VEC_* manipulations.
2376 (build_ssa_operands): Call operand_build_sort_virtual.
2377 (copy_virtual_operand, create_ssa_artficial_load_stmt,
2378 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
2379 with direct VEC_* manipulations.
2380 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
2381 with direct VEC manipulations.
2383 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
2385 PR tree-optimization/21419
2386 PR tree-optimization/24146
2387 PR tree-optimization/24151
2389 * c-typeck.c (readonly_error): Handle USE being lv_asm.
2390 (build_asm_expr): Call it if outputs are read-only.
2391 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
2393 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
2394 Paolo Bonzini <bonzini@gnu.org>
2398 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
2399 enable the instructions and not just the built-ins.
2400 * doc/invoke.texi (x86 Options): Likewise.
2402 2005-10-04 Geoffrey Keating <geoffk@apple.com>
2404 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
2406 * doc/invoke.texi (Option Summary): Correct spelling
2407 of -mmacosx-version-min.
2409 2005-10-04 Devang Patel <dpatel@apple.com>
2411 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
2414 2005-10-04 Steve Ellcey <sje@cup.hp.com>
2416 * tree-vect-transform.c (vect_create_epilog_for_reduction):
2417 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
2419 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
2421 * config/s390/s390.md ("TDSI","DP"): New mode macros.
2422 ("TE","tg"): New mode attributes.
2423 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
2424 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
2425 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
2426 dword_mode and one for GPRmode.
2428 2005-10-04 Ian Lance Taylor <ian@airs.com>
2430 PR preprocessor/13726
2431 * c-ppoutput.c (cb_include): Add comments parameter, and print out
2432 any comments passed in.
2434 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2436 * tree.c (annotate_with_file_line): Fix typo.
2438 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2441 * builtins.c (fold_builtin_memcmp): When constructing the pointer
2442 type used to access data in the inlined length == 1 case, use
2443 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
2444 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
2446 2005-10-04 Uros Bizjak <uros@kss-loka.si>
2448 * config/i386/i386.h (TARGET_FISTTP): Enable also for
2449 TARGET_SSE3 and only for TARGET_80387.
2450 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
2451 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
2452 Do not depend on TARGET_80387.
2454 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2456 * tree.c (last_annotated_node): Change type to location_t*.
2457 (annotate_with_file_line): Reflect the change of
2458 last_annotated_node type.
2460 2005-10-04 Richard Guenther <rguenther@suse.de>
2463 * c-decl.c (grokdeclarator): Don't write to fields
2466 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2469 * c-decl.c (finish_decl): Use set_user_assembler_name even for
2471 * varasm.c (make_decl_rtl): If a register variable does not
2472 have a set user assmbler name, error out.
2473 Decode the asmspec is now name+1 bypassing '*'.
2475 2005-10-04 Steven Bosscher <stevenb@suse.de>
2477 PR tree-optimization/23049
2478 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
2479 of a COND_EXPR is folded before calling fold on the whole rhs of a
2480 conditional assignment.
2481 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
2482 document that a COND_EXPR may appear there.
2484 2005-10-03 Diego Novillo <dnovillo@redhat.com>
2487 * tree-vrp.c (extract_range_from_assert): If the new numeric
2488 range created out of the assertion contradicts the existing
2489 numeric range of the ASSERT_EXPR variable, make the new range
2492 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
2494 * config/sh/sh.c (sh_register_move_cost): Add case for moving
2495 from T_REGS to FP register class.
2497 2005-10-03 Richard Henderson <rth@redhat.com>
2500 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
2501 before creating a new one.
2503 2005-10-03 David Edelsohn <edelsohn@gnu.org>
2505 * config/rs6000/t-aix43 (LDFLAGS): New.
2506 * config/rs6000/t-aix52 (LDFLAGS): New.
2508 2005-10-03 Ian Lance Taylor <ian@airs.com>
2510 * gimplify.c (find_single_pointer_decl_1): New static function.
2511 (find_single_pointer_decl): New static function.
2512 (internal_get_tmp_var): For a formal variable, set restrict base
2513 information if appropriate.
2514 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
2516 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
2517 (DECL_GET_RESTRICT_BASE): Define.
2518 (SET_DECL_RESTRICT_BASE): Define.
2519 (decl_restrict_base_lookup): Declare.
2520 (decl_restrict_base_insert): Declare.
2521 (struct tree_decl_with_vis): Add based_on_restrict_p field.
2522 * tree.c (restrict_base_for_decl): New static variable.
2523 (init_ttree): Initialize restrict_base_for_decl.
2524 (copy_node_stat): Copy restrict base information.
2525 (decl_restrict_base_lookup): New function.
2526 (decl_restrict_base_insert): New function.
2527 (print_restrict_base_statistics): New static function.
2528 (dump_tree_statistics): Call print_restrict_base_statistics.
2530 2005-10-02 Diego Novillo <dnovillo@redhat.com>
2533 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
2534 case of anti-ranges.
2536 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
2539 * c-typeck.c (tagged_tu_seen): Rename to ...
2540 (tagged_tu_seen_cache): this and add val field.
2541 (comptypes): Move functional to comptypes_internal
2542 and free tagged_tu_seen.
2543 (comptypes_internal): New function and call comptypes_internal
2544 instead of comptypes. Speed up by sibcalling
2545 tagged_types_tu_compatible_p.
2546 (alloc_tagged_tu_seen): New function
2547 (free_all_tagged_tu_seen_up_to): New function.
2548 (tagged_types_tu_compatible_p): Return the val of the seen two
2550 Add that the two types are the same to tagged_tu_seen_base
2551 if they are and call comptypes_internal instead of comptypes.
2552 <case UNION_TYPE>: Speed up common type where the fields are
2554 (function_types_compatible_p): Call comptypes_internal instead of
2556 (type_lists_compatible_p): Likewise.
2557 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
2559 2005-10-02 Matthias Klose <doko@debian.org>
2561 * doc/invoke.texi: Fix typo and speling error.
2563 2005-10-01 Richard Henderson <rth@redhat.com>
2565 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
2567 2005-10-01 Mark Mitchell <mark@codesourcery.com>
2569 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
2570 using --start-group and --end-group.
2572 2005-10-01 Diego Novillo <dnovillo@redhat.com>
2574 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
2575 FIXME note regarding quirky semantics.
2577 2005-10-01 Diego Novillo <dnovillo@redhat.com>
2580 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
2581 non-null range as a last resort.
2583 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
2584 Diego Novillo <dnovillo@redhat.com>
2587 * tree-vrp.c (extract_range_from_assert): For !=
2588 assertions, only build an anti-range if LIMIT is a
2589 single-valued range.
2591 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
2593 * arm.md (movqi): On thumb when optimizing, handle loading from
2594 memory by describing this as taking a subreg of a zero-extended load
2595 into an SImode register.
2598 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
2600 * reload1.c (merge_assigned_reloads): Do not change any
2601 RELOAD_FOR_OUTPUT_ADDRESS reloads.
2603 2005-09-30 Geoffrey Keating <geoffk@apple.com>
2605 * Makefile.in (LIPO_FOR_TARGET): Define.
2606 (STRIP_FOR_TARGET): Define.
2608 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
2609 before creating new ones. Do symlinks before creating the actual
2612 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
2613 to work out which multilibs are actually being built.
2615 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
2617 * tree-vect-transform.c, config/ms1/ms1.md,
2618 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
2619 Follow spelling conventions.
2620 * doc/invoke.texi, doc/md.texi: Fix typos.
2622 2005-09-30 Andrew Macleod <amacleod@redat.com>
2624 PR tree-optimization/21430
2625 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
2626 use operands, and set stmt pointer if need be.
2627 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
2628 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
2631 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2634 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
2636 2005-09-29 Mark Mitchell <mark@codesourcery.com>
2638 * optabs.c (expand_binop): Initialize first_pass_p.
2640 2005-09-29 Jakub Jelinek <jakub@redhat.com>
2643 * c-decl.c (c_write_global_declarations_1): If any
2644 wrapup_global_declaration_2 call returned true, restart the loop.
2646 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
2648 Fix PR tree-optimization/24117
2649 * tree-ssa-structalias.c (find_func_aliases): Strip nops
2650 before considering whether to use anyoffset.
2652 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2656 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2658 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2660 (swap_commutative_operands_with_target): New.
2662 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2665 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
2668 2005-09-29 Steven Bosscher <stevenb@suse.de>
2670 PR tree-optimization/23911
2671 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
2672 and IMAGPART_EXPR too.
2674 2005-09-28 Mark Mitchell <mark@codesourcery.com>
2677 * expmed.c (expand_shift): Move logic to reverse rotation
2678 direction when rotating by constants ...
2679 * optabs.c (expand_binop): ... here.
2680 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
2681 (ix86_rotrdi3): New pattern.
2682 (rotldi3): Handle 32-bit mode.
2683 (ix86_rotldi3): New pattern.
2685 2005-09-29 Alan Modra <amodra@bigpond.net.au>
2688 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
2689 check for numbers that need no bit twiddle.
2691 2005-09-28 Geoffrey Keating <geoffk@apple.com>
2693 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
2694 multilib to be built.
2696 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
2697 (stage1-start): Delete old libgcc and libunwind before moving
2698 anything into the stage directory.
2699 (stage2-start): Likewise.
2700 (stage3-start): Likewise.
2701 (stage4-start): Likewise.
2702 (stageprofile-start): Likewise.
2703 (stagefeedback-start): Likewise.
2704 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
2705 header in tm_file and CPU-specific t-darwin in tmake_file.
2706 (i[34567]86-*-darwin*): Don't change tm_file.
2707 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
2708 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
2709 shared library stub for target OS version.
2710 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
2711 (SHLIB_LINK): Don't make SHLIB_SOLINK.
2712 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
2713 (libgcc_s.%.dylib): New.
2715 (install-darwin-libgcc-stubs): New.
2716 (INSTALL_LIBGCC): New append.
2717 * config/i386/darwin-libgcc.10.4.ver: New.
2718 * config/i386/darwin-libgcc.10.5.ver: New.
2719 * config/i386/t-darwin: New.
2720 * config/rs6000/darwin-libgcc.10.4.ver: New.
2721 * config/rs6000/darwin-libgcc.10.5.ver: New.
2722 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
2723 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
2725 2005-09-28 Paul Brook <paul@codesourcery.com>
2727 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
2730 2005-09-28 Richard Guenther <rguenther@suse.de>
2732 PR tree-optimization/23853
2733 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
2734 host_integerp to verify misalignment value.
2736 2005-09-28 Richard Henderson <rth@redhat.com>
2738 * builtins.c (get_builtin_sync_mode): New.
2739 (expand_builtin_sync_operation): Pass in mode argument.
2740 (expand_builtin_compare_and_swap): Likewise.
2741 (expand_builtin_lock_test_and_set): Likewise.
2742 (expand_builtin_lock_release): Likewise.
2743 (expand_builtin): Update to match.
2745 2005-09-28 Nick Clifton <nickc@redhat.com>
2747 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
2748 formatting. Add check to PLUS case to ensure that the offset is
2749 within an acceptable range.
2751 * config/v850/v850.md (casesi): Disable the generation of the
2752 switch pattern as it is not being handled properly at the moment.
2754 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
2755 for when the high words are identical.
2757 2005-09-27 Richard Henderson <rth@redhat.com>
2759 * pretty-print.c (pp_base_format): Fix typo for %>.
2761 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
2762 Devang Patel <dpatel@apple.com>
2764 PR tree-optimization/23625
2765 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
2766 LABEL_EXPR, assertion check.
2768 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
2770 * optabs.c (no_conflict_move_test): Check if a result of a
2771 to-be-moved insn would be clobbered by an originally
2774 2005-09-27 Jeff Law <law@redhat.com>
2776 * passes.c (init_optimization_passes): Replace copy propagation
2777 passes immediately after DOM with phi-only copy propagation
2778 pases. Add phi-only copy propagation pass after first DOM pass.
2779 * tree-pass.h (pass_phi_only_copy_prop): Declare.
2780 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
2781 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
2782 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
2783 to init_copy_prop. Callers updated.
2784 (do_phi_only_copy_prop): New function.
2785 (pass_phi_only_copy_prop): New pass descriptor.
2787 2005-09-27 Nick Clifton <nickc@redhat.com>
2789 * libgcc2.c (__popcount_tab): Remove redundant prototype.
2791 2005-09-26 Jason Merrill <jason@redhat.com>
2794 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
2796 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
2798 2005-09-26 James E Wilson <wilson@specifix.com>
2800 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
2801 copyright. Add gcc copyright plus libgcc exception.
2802 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
2804 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
2806 2005-09-26 Jeff Law <law@redhat.com>
2808 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
2809 about when to iterate.
2811 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
2814 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
2815 for __complex__ double in -mcpu=G5 mode.
2817 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
2819 PR tree-optimization/23942
2820 * Makefile.in (SCEV_H): Depends on PARAMS_H.
2821 * tree-scalar-evolution.c: Include params.h.
2823 (follow_ssa_edge, follow_ssa_edge_in_rhs,
2824 follow_ssa_edge_in_condition_phi_branch,
2825 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
2826 Change return type to t_bool. Use a parameter to limit the size of
2827 trees that are walked before stopping
2828 (analyze_evolution_in_loop): Initialize the limit to 0.
2829 (follow_ssa_edge): Give up by returning t_dont_know if the limit
2830 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2832 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2835 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
2836 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2838 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
2840 * combine.c (make_extraction): Check for valid use of subreg.
2842 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2845 * config/i386/i386.md ("*fistdi2_1"): New pattern.
2846 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
2847 ("fist<mode>2_with_temp"): Use only register operands.
2849 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
2851 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
2852 CALL_INSN_FUNCTION_USAGE.
2854 2005-09-26 Richard Guenther <rguenther@suse.de>
2857 * gcse.c: Include hashtab.h, define ldst entry hashtable.
2858 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
2859 (ldst_entry): Use the hashtable instead of list-walking.
2860 (find_rtx_in_ldst): Likewise.
2861 (free_ldst_entry): Free the hashtable.
2862 (compute_ld_motion_mems): Create the hashtable.
2863 (trim_ld_motion_mems): Remove entry from hashtable if
2864 removing it from list.
2865 (compute_store_table): Likewise^2.
2866 (store_motion): Free hashtable in case we did not see
2869 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
2871 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2872 and arg1 if we are passing them to fold_build2.
2874 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
2877 * config/i386/i386.c (ix86_function_regparm): Fix the test for
2880 2005-09-25 Richard Henderson <rth@redhat.com>
2882 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
2883 SYMBOL_REF_TLS_MODEL to be correct.
2885 2005-09-24 Richard Henderson <rth@redhat.com>
2887 * ipa-type-escape.c (discover_unique_type): Remove dead code at
2888 end of function. Reindent.
2890 2005-09-24 Ian Lance Taylor <ian@airs.com>
2892 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
2893 NEGATE_EXPR/BIT_NOT_EXPR case.
2895 2005-09-24 Richard Henderson <rth@redhat.com>
2897 * c-common.c (handle_mode_attribute): When not modifying in place,
2898 create subtypes for enumerations.
2899 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
2900 * gimplify.c (create_tmp_from_val): Likewise.
2902 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
2904 * config/i386/i386.md (*tls_global_dynamic_64,
2905 *tls_local_dynamic_base_64): Add missing mode to call.
2906 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
2908 2005-09-24 Jan Hubicka <jh@suse.cz>
2910 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
2911 (cgraph_clone_node): Likewise.
2912 * cgraph.h (cgraph_clone_edge): Update prototype.
2913 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
2914 duplicated prototypes; add updating argument.
2915 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
2916 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
2918 (cgraph_mark_inline_edge): Likewise.
2919 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
2920 (cgraph_flatten_node): Likewise.
2921 (cgraph_decide_recursive_inlining): Likewise.
2922 (cgraph_decide_inlining_of_small_function): Likewise.
2923 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2925 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2926 Pete Steinmetz <steinmtz@us.ibm.com>
2928 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
2929 (rldic.): Set type to "compare".
2931 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
2932 mfjmpr for MFCTR/MFLR.
2933 (movdf_hardfloat64): Same.
2934 (movdf_softfloat64): Same. Correct order of store and move types.
2935 (movti_string): Set type to store_ux/load_ux.
2936 (load_multiple): Set type to load_ux.
2937 (store_multiple): Set type to store_ux.
2938 (movmemsi): Set type to store_ux.
2939 (output_cbranch direct_return): Set type to jmpreg.
2940 (stmw): Set type to store_ux.
2941 (lmw): Set type to load_ux.
2942 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
2943 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
2944 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
2945 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
2946 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
2947 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
2948 (rios1-fpstore): Increase latency to 3.
2949 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
2950 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
2952 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2953 Andrew Pinski <pinskia@physics.uc.edu>
2955 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
2956 operand2 constraint to "b".
2957 (sync_<fetchop_name>di_internal): Same.
2958 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
2960 (sync_old_<fetchop_name>di_internal): Same.
2961 (sync_new_<fetchop_name>si_internal): Same.
2962 (sync_new_<fetchop_name>di_internal): Same.
2964 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
2967 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
2968 case, define as macros.
2970 PR rtl-optimization/23837
2971 * optabs.c (no_conflict_move_test): Don't set must_stay for a
2972 clobber / clobber match between dest and p->first.
2974 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
2975 (no_conflict_move_test): Update comments.
2977 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2979 * doc/install.texi: Update URL for Jacks.
2980 * doc/sourcebuild.texi: Likewise.
2982 2005-09-22 David Edelsohn <edelsohn@gnu.org>
2985 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
2986 registers when choosing register preferences.
2987 (movdf_hardfloat64): Same.
2989 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
2991 * expmed.c (expand_shift): Don't use the target of the rotate as
2992 target for the first expanded shift insn.
2993 * testsuite/gcc.dg/20050922-1.c: Testcase added.
2995 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
2997 PR tree-optimization/22438
2998 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
2999 preserved iv rhs rewriting specially.
3001 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
3003 * tree-data-ref.c (analyze_array_indexes): Only estimate when
3004 estimate_only is true.
3005 * tree-flow.h (ref_contains_indirect_ref): New prototype.
3006 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
3007 tree-ssa-structalias.c
3008 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
3009 ref_contains_indirect_ref.
3010 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
3012 2005-09-21 DJ Delorie <dj@redhat.com>
3014 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
3016 (mn10300_return_in_memory): Support variable size types also.
3017 (mn10300_pass_by_reference): Likewise.
3018 (mn10300_function_value): New.
3019 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
3020 (FUNCTION_OUTGOING_VALUE): Likewise.
3021 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
3022 * doc/invoke.texi: Document it.
3024 2005-09-21 Uros Bizjak <uros@kss-loka.si>
3027 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
3028 force integer op1 into register for XFmode compares.
3030 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3033 * expmed.c (alg_code): Add alg_impossible.
3034 (alg_hash_entry): Add cost.
3035 (synth_mult): Record alg_impossible in the hash table if
3036 multiplication by a given integer is impossble within the
3037 limit. Speed up using alg_impossible.
3039 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3041 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
3042 argument. Allow and set any offset if needs_anyoffset is passed
3044 (get_constraint_for): Add argument here too.
3046 (do_structure_copy): Pass NULL to get_constraint_for.
3047 (handle_ptr_arith): Ditto.
3048 (find_func_aliases): Ditto.
3050 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
3052 PR rtl-optimization/23898
3053 * output.h (get_attr_min_length): Declare.
3054 * final.c (get_attr_length_1): New function, broken out of:
3056 (get_attr_min_length): New function.
3057 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
3058 (duplicate_computed_gotos): Likewise.
3059 * genattr.c (insn_min_length): Generate declaration.
3060 * genattrtab.c (min_fn, min_attr_value): New functions.
3061 (make_length_attrs): Generate insn_min_length.
3063 2005-09-20 Steve Ellcey <sje@cup.hp.com>
3065 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
3067 2005-09-20 Richard Henderson <rth@redhat.com>
3069 PR tree-optimization/24059
3070 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
3073 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
3075 * c.opt (fextended-identifiers): New.
3076 * c-opts.c (c_common_handle_option): Handle
3077 -fextended-identifiers.
3078 * doc/cpp.texi: Update documentation of extended identifiers.
3079 * doc/cppopts.texi (-fextended-identifiers): Document.
3081 2005-09-20 Jakub Jelinek <jakub@redhat.com>
3083 PR tree-optimization/23929
3084 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
3087 PR tree-optimization/23818
3088 * tree-stdarg.c (execute_optimize_stdarg): Call
3089 calculate_dominance_info.
3091 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3093 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
3094 (analyze_siv_subscript_cst_affine): Add weak SIV test.
3095 (compute_overlap_steps_for_affine_1_2): Use
3096 get_number_of_iters_for_loop.
3097 (analyze_subscript_affine_affine): Check whether difference is
3099 Use get_number_of_iters_for_loop.
3100 Check whether overlap occurs outside of bounds.
3101 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
3103 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
3105 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
3106 base register if possible.
3108 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
3110 PR tree-optimization/18463
3111 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
3112 converting it directly is not possible.
3113 (chrec_convert_aggressive): New function.
3114 * tree-chrec.h (chrec_convert_aggressive): Declare.
3115 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
3116 Fold chrec conversions aggressively if asked to.
3117 (instantiate_parameters): Modified because of changes in
3118 instantiate_parameters_1.
3120 2005-09-19 Richard Henderson <rth@redhat.com>
3122 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
3123 (reduc_splus_v2df): New.
3125 2005-09-19 Richard Sandiford <richard@codesourcery.com>
3127 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
3128 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
3130 2005-09-19 Richard Henderson <rth@redhat.com>
3132 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
3135 2005-09-19 Richard Henderson <rth@redhat.com>
3137 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
3138 (ia64_expand_dot_prod_v8qi): New.
3139 * config/ia64/ia64-protos.h: Update.
3140 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
3141 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
3142 sdot_prodv8qi, sdot_prodv4hi): New.
3143 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
3145 2005-09-19 Richard Henderson <rth@redhat.com>
3148 * real.c (exact_real_truncate): Return false if the format cannot
3149 represent the number as a normal.
3151 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
3152 for a memory source.
3154 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
3156 * tree-ssa-operands.c (swap_tree_operands): Export.
3157 * tree.h (swap_tree_operands): Declare.
3158 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
3159 Call swap_tree_operands.
3161 2005-09-19 Richard Henderson <rth@redhat.com>
3163 * tree-flow.h (merge_alias_info): Declare.
3164 * tree-ssa-copy.c (merge_alias_info): Export.
3165 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
3166 (vect_create_data_ref_ptr): Use create_iv directly.
3167 (vectorizable_load): Use correct types for integer constants.
3168 (vect_generate_tmps_on_preheader): Likewise.
3169 (vect_gen_niters_for_prolog_loop): Likewise.
3171 2005-09-19 Steven Bosscher <stevenb@suse.de>
3173 PR rtl-optimization/23943
3174 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
3176 2005-09-18 Jan Hubicka <jh@suse.cz>
3178 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
3180 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
3182 * varasm.c (output_constant): Do not abort on conversions to union
3183 types between different sizes.
3185 2005-09-18 Richard Guenther <rguenther@suse.de>
3188 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
3191 2005-09-18 Paul Brook <paul@codesourcery.com>
3193 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
3195 2005-09-17 Richard Henderson <rth@redhat.com>
3197 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
3198 * tree-ssa-loop.c (pass_vect_dce): Remove.
3199 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
3202 2005-09-17 Richard Henderson <rth@redhat.com>
3204 * tree-pass.h (pass_vect_dce): Declare.
3205 * passes.c (init_optimization_passes): Add it.
3206 * tree-flow.h (tree_ssa_dce): Declare.
3207 * tree-ssa-dce.c (tree_ssa_dce): Export.
3208 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
3209 (gate_tree_vectorize): ... here.
3210 (pass_vect_dce): New.
3212 2005-09-17 Jan Hubicka <jh@suse.cz>
3214 * except.c (struct eh_status): Turn region_array into vec.
3215 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
3216 convert_from_eh_region_ranges, find_exception_handler_labels,
3217 current_function_has_exception_handlers, assign_filter_values,
3218 build_post_landing_pads, dw2_build_landing_pads,
3219 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
3220 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
3221 foreach_reachable_handler, can_throw_internal_1,
3222 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
3224 (duplicate_eh_region_1): Update region_array.
3225 (duplicate_eh_regions): Resize region_array and avoid recomputing.
3227 2005-09-17 David Edelsohn <edelsohn@gnu.org>
3230 * expmed.c (expand_mult): Substitute simple register for op0 when
3233 2005-09-17 Richard Henderson <rth@redhat.com>
3235 * expr.c (emit_move_via_integer): Add force argument, pass it on
3236 to emit_move_change_mode. Update callers.
3237 (emit_move_complex): Pass true to new force argument.
3238 * function.c (expand_function_end): Move expand_eh_return call
3239 earlier. Merge sub-word complex values into a pseudo before
3240 copying to the return hard register.
3242 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
3244 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
3245 between different sizes.
3247 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
3251 * passes.c (init_optimization_passes): Register dump files for
3254 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
3256 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
3257 * config/s390/s390.c (s390_overlap_p): New function.
3258 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
3259 peephole2, "*xc" peephole2): Added overlap check to the peephole2
3262 2005-09-16 Richard Guenther <rguenther@suse.de>
3264 * ipa-pure-const.c (static_execute): Free auxiliar information.
3265 * ipa-type-escape.c (discover_unique_type): Free temporary key.
3266 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
3268 2005-09-15 DJ Delorie <dj@redhat.com>
3270 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
3272 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3274 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3276 (swap_commutative_operands_with_target): New.
3278 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
3280 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
3283 (estimate_iters_using_array): New function.
3284 * tree-data-ref.h (estimate_iters_using_array): Prototype
3285 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3286 Use estimate_iters_using_array instead of analyze_array.
3288 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
3290 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
3293 2005-09-15 Michael Matz <matz@suse.de>
3295 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
3297 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
3299 PR tree-optimization/23835
3300 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
3301 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
3303 2005-09-14 Richard Henderson <rth@redhat.com>
3305 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
3306 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
3308 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
3310 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
3311 in the ARRAY_TYPE case.
3313 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
3315 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
3317 2005-09-14 Uros Bizjak <uros@kss-loka.si>
3320 * tree-vect-transform.c (vectorizable_operation): Return false for
3321 scalar shift operations and for vector shift operations with
3322 non-invariant shift arguments. Use scalar tree operand op1 as
3323 a shift operand when vector shift insn pattern uses scalar shift
3325 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
3327 2005-09-14 Olivier Hainque <hainque@adacore.com>
3329 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
3330 value if it has side-effects.
3332 2005-09-14 David Edelsohn <edelsohn@gnu.org>
3335 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
3337 2005-09-14 Alan Modra <amodra@bigpond.net.au>
3339 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
3340 passed as NAME as if it were label at start of function code.
3342 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
3344 * config/sh/sh.md (*movv4sf_i): Add general register cases to
3347 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3349 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
3350 as early clobber. Rewrite so the PIC register is not implicitly used.
3352 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3354 * tree.c (annotate_with_file_line): Compare line numbers before
3357 2005-09-13 Uros Bizjak <uros@kss-loka.si>
3360 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
3361 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
3363 2005-09-13 Ian Lance Taylor <ian@airs.com>
3365 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
3366 than a HOST_WIDEST_INT to gen_doloop_begin.
3368 2005-09-13 Diego Novillo <dnovillo@redhat.com>
3370 * tree-dfa.c (dump_variable): Guard against NULL annotations.
3372 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
3374 PR tree-optimize/23817
3375 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
3377 2005-09-13 Alan Modra <amodra@bigpond.net.au>
3380 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
3381 word before changing the stack pointer. Use gen_frame_mem for MEMs.
3382 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
3383 (restore_stack_nonlocal): Likewise.
3384 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
3386 2005-09-12 Ian Lance Taylor <ian@airs.com>
3389 * c.opt (ffriend-injection): New C++ option.
3390 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
3391 (C++ Dialect Options): Document -ffriend-injection.
3393 2005-09-12 Josh Conner <jconner@apple.com>
3396 * ipa-reference.c (static_execute): Don't mark variables in
3397 named sections TREE_READONLY.
3399 2005-09-12 Alan Modra <amodra@bigpond.net.au>
3401 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
3404 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3406 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
3407 V_MUST_DEF instead of just the first_use_p.
3408 Don't mark the virtual variables for renaming on the statement which
3410 (pass_dse): Remove TODO_update_ssa.
3412 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
3415 * stor-layout.c (compute_record_mode): For records with a single
3416 field, actually check the field's mode size against the type size.
3418 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
3419 registers for TARGET_SHMEDIA.
3420 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
3421 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
3422 of GENERAL_REGS and FP_REGS.
3424 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
3426 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
3428 2005-09-12 Alan Modra <amodra@bigpond.net.au>
3430 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
3431 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
3432 are omitted. Exclude stack_tie insn too.
3434 2005-09-11 David Edelsohn <edelsohn@gnu.org>
3436 PR rtl-optimization/23098
3437 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
3439 * config/rs6000/rs6000.md (movdf splitter): Use
3440 const_double_operand predicate for TARGET_POWERPC64.
3441 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
3442 SYMBOL_REF method to ABI_V4.
3444 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
3445 replace_equiv_address.
3446 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
3447 rs6000_sr_alias_set and MEM_NOTRAP.
3448 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
3450 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
3452 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
3453 handle CALL_EXPR again.
3455 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
3457 * arm/predicates.md (alignable_memory_operand): Delete.
3459 2005-09-10 Richard Henderson <rth@redhat.com>
3462 * dbxout.c (dbxout_expand_expr): New.
3463 (dbxout_symbol): Use it.
3465 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
3467 * arm.c (arm_gen_rotated_half_load): Delete.
3468 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
3469 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
3470 (thumb_set_return_address): Likewise.
3471 (thumb_load_double_from_address): Use adjust_address.
3472 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
3473 (extendhsisi2_mem, movhi_bytes): Use change_address.
3474 (movhi): Use widen_memory_access.
3475 (reload_out_df): Use replace_equiv_address.
3476 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
3478 2005-09-09 Richard Henderson <rth@redhat.com>
3481 * dbxout.c: Include expr.h.
3482 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
3483 (dbxout_symbol): Handle DECL_VALUE_EXPR.
3484 * Makefile.in (dbxout.o): Add EXPR_H.
3486 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
3488 PR tree-optimization/23509
3489 * tree-cfg.c (replace_uses_by): Use replace_exp.
3490 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
3491 pointers have name_mem_tag or type_mem_tag set.
3493 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
3495 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
3496 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
3497 of wrongly accessing operands.
3499 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
3501 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
3502 * tree-chrec.c: Include tree-scalar-evolution.h.
3503 (chrec_convert): Instantiate the base and step before calling
3504 scev_probably_wraps_p that would fail on parametric evolutions.
3505 Collect all the fails into a single section failed_to_convert,
3506 print a diagnostic, and return chrec_dont_know instead of calling
3508 * tree-scalar-evolution.c (loop_closed_phi_def): New.
3509 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
3511 (scev_const_prop): Don't replace the definition of a loop closed ssa
3512 phi node by itself, or by another loop closed ssa phi node.
3513 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
3514 that base and step are defined.
3516 2005-09-09 Richard Guenther <rguenther@suse.de>
3519 * fold-const.c (fold_ternary): Check truth_value_p before
3520 calling invert_truthvalue.
3522 2005-09-09 Nick Clifton <nickc@redhat.com>
3524 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
3525 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
3526 dimension of these arrays.
3527 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
3529 * longlong.h: Only provide a prototype for the __clz_tab[] array
3530 if this header has not been included from libgcc2.h.
3531 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
3533 Provide prototypes for exported functions.
3534 Use the __clz_tab[] and __popcount_tab[] arrays provided by
3537 2005-09-08 Josh Conner <jconner@apple.com>
3541 * expr.c (expand_expr_addr_expr_1): Don't invoke
3542 expand_simple_binop for EXPAND_INITIALIZER.
3544 2005-09-08 Richard Henderson <rth@redhat.com>
3547 * toplev.c (wrapup_global_declaration_1): Split out ...
3548 (wrapup_global_declaration_2): ... from ...
3549 (wrapup_global_declarations): ... here. Return bool.
3550 (check_global_declaration_1): Split out ...
3551 (check_global_declarations): from here.
3552 (emit_debug_global_declarations): New.
3553 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
3554 check_global_declaration_1, emit_debug_global_declarations): Declare.
3555 * c-decl.c (c_write_global_declarations_1): Don't create a vector
3556 of decls. Call wrapup_global_declaration_1,
3557 wrapup_global_declaration_2, check_global_declaration_1 directly.
3558 (c_write_global_declarations_2): New.
3560 (c_write_global_declarations): Call c_write_global_declarations_2.
3561 * langhooks.c (write_global_declarations): Call
3562 emit_debug_global_declarations.
3564 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
3565 remove decls that have DECL_RTL_SET_P.
3566 * passes.c (rest_of_decl_compilation): Invoke
3567 cgraph_varpool_finalize_decl for all but functions.
3569 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
3571 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
3572 the result of a conversion if the new min and max cannot be compared.
3574 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
3576 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
3577 (override_options): Setting s390_sr_alias_set removed.
3578 (save_fpr, save_gprs): Set alias set to vararg or frame.
3579 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
3580 s390_sr_alias_set with get_frame_alias_set ().
3581 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
3582 get_varargs_alias_set ().
3584 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
3588 * c-parser.c (c_parser_objc_method_definition): If the next
3589 token is not "{", error out and don't start the function.
3591 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
3593 * tree-vrp.c (extract_range_from_expr): Move the check for non
3594 nullness after the check for gimple invariant.
3596 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3598 * tree.c (host_integerp, tree_low_cst): Correct function comment.
3600 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3603 * config/m32r.md (movmemsi_internal): Canonicalize order of
3604 operands in PLUS component of template.
3606 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
3608 * reload1.c (fixup_eh_region_note): Remove assertion.
3609 (fixup_abnormal_edges): Reverted removal of call to
3610 find_many_sub_basic_blocks made on 2005-08-31.
3612 2005-09-07 Richard Henderson <rth@redhat.com>
3614 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
3615 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
3616 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
3617 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
3618 rearrange for better packing.
3619 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
3620 (lookup_cfa_1): Remove inline marker.
3621 (cfa_equal_p): Split out of ...
3622 (def_cfa_1): ... here. Use INVALID_REGNUM.
3623 (build_cfa_loc): Handle !cfa->indirect.
3624 (frame_pointer_cfa_offset): New.
3625 (dbx_reg_number): Assert register elimination performed; do
3626 leaf register remapping.
3627 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
3628 (eliminate_reg_to_offset): New.
3629 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
3630 for verifiably local stack frame addresses; re-base to CFA.
3631 (mem_loc_descriptor): Remove can_use_fbreg argument.
3632 (concat_loc_descriptor, loc_descriptor): Likewise.
3633 (containing_function_has_frame_base): Remove.
3634 (rtl_for_decl_location): Don't do register elimination or
3635 leaf register remapping here.
3636 (secname_for_decl): Split out from ..
3637 (add_location_or_const_value_attribute): ... here.
3638 (convert_cfa_to_loc_list): New.
3639 (compute_frame_pointer_to_cfa_displacement): New.
3640 (gen_subprogram_die): Use them.
3641 * tree.h (frame_base_decl): Remove.
3642 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
3643 (prologue_stack_adjust): Remove.
3644 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
3645 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
3646 (set_frame_base_location): Remove.
3647 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
3648 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
3649 (vt_add_function_parameters): Don't eliminate_regs.
3650 (vt_initialize): Don't create frame_base_decl.
3652 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3654 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
3655 version of GNU binutils for 4.x and later.
3657 2005-09-06 Mark Mitchell <mark@codesourcery.com>
3659 * ggc-page.c (ggc_push_context): Remove.
3660 (ggc_pop_context): Likewise.
3661 * ggc.h (ggc_push_context): Remove.
3662 (ggc_pop_context): Likewise.
3664 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3667 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
3668 returning from an interrupt handler.
3670 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3673 * config/arc/arc.c (output_shift): Add check for loop count when
3676 2005-09-06 Steven Bosscher <stevenb@suse.de>
3678 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
3680 (abs_replacement): Likewise.
3681 (pass_phiopt): Remove TODO_update_ssa.
3683 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3686 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
3687 if "return with no value, in function returning non-void" warning
3689 * tree-cfg.c (execute_warn_function_return): Don't look at
3690 RETURN_EXPRs with TREE_NO_WARNING set.
3693 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
3694 for internal functions doesn't use registers used by global registers
3695 variables. Use fewer register parameters if there are global register
3698 2005-09-06 Olivier Hainque <hainque@adacore.com>
3699 Eric Botcazou <ebotcazou@adacore.com>
3702 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
3703 when we would be extracting outside its bit span (bitpos+bitsize
3704 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
3705 Ada unchecked conversions.
3707 2005-09-06 Steven Bosscher <stevenb@suse.de>
3709 * tree-ssa-pre.c (try_look_through_load): New function.
3710 (compute_avail): Use it to try to look through loads for some
3711 more useful expressions.
3713 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3715 * simplify-rtx.c (simplify_binary_operation_1): Correct the
3716 condition for detecting cases like (a&a) and (a^a).
3718 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
3720 * common.opt: Add option ftree-vect-loop-version.
3721 * params.def: Add --param vect-max-version-checks.
3722 * doc/invoke.texi: Document ftree-vect-loop-version and
3723 --param vect-max-version-checks.
3724 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
3725 may_misalign_stmts and defines for accessors.
3726 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
3727 LOOP_VINFO_MAY_MISALIGN_STMTS.
3728 (destroy_loop_vec_info): VEC_free for
3729 LOOP_VINFO_MAY_MISALIGN_STMTS.
3730 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3731 Update documentation.
3732 (vect_update_misalignment_for_peel): New.
3733 (vect_enhance_data_refs_alignment): Update to choose loop
3734 peeling or loop versioning if appropriate for the (potentially)
3735 unaligned data references in the loop.
3736 (vect_analyze_data_refs_alignment): Remove call to
3737 vect_enhance_data_refs_alignment so the checks can be done
3739 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
3740 and move up call to vect_analyze_data_refs_alignment.
3741 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
3742 (vect_transform_loop): Add call to loop_version.
3744 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3746 PR rtl-optimization/23098
3747 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
3748 * simplify-rtx.c (constant_pool_reference_p): New function.
3749 * rtl.h (constant_pool_reference_p): New prototype.
3750 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
3751 constant_pool_reference_p in condition and
3752 avoid_constant_pool_reference in preparation statements.
3754 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
3756 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
3757 STRICT_LOW_PART SETs.
3759 2005-09-06 Alan Modra <amodra@bigpond.net.au>
3762 * except.c (sjlj_emit_function_enter): Find the function begin
3763 note even when it's not in first basic block.
3765 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
3767 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
3768 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
3769 * aclocal.m4: Regenerate.
3771 2005-09-05 DJ Delorie <dj@redhat.com>
3773 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
3776 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
3778 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
3779 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
3780 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
3781 Follow spelling conventions.
3782 * doc/invoke.texi: Follow spelling conventions.
3784 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3786 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
3787 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
3788 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
3790 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3793 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
3794 (output_stack_adjust): Use gen_tmp_stack_mem.
3795 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
3796 (sh_set_return_address, sh_allocate_initial_value): Likewise.
3797 (sh_get_pr_initial_val): Likewise.
3798 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
3799 (sh_initialize_trampoline): Likewise. Also use adjust_address.
3800 * sh.md (divsi_inv_m0): Use gen_const_mem.
3801 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
3802 (movdf_i4+1): Use gen_tmp_stack_mem.
3803 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
3804 (fpu_switch+2): Likewise.
3805 (movv4sf_i, movv16sf_i): Use adjust_address.
3806 (symGOT_load): Set MEM_NOTRAP_P bit.
3808 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3811 * pa.c (emit_move_sequence): Fix typo in last change.
3813 2005-09-03 Jakub Jelinek <jakub@redhat.com>
3815 PR rtl-optimization/23454
3816 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
3819 2005-09-03 Richard Henderson <rth@redhat.com>
3820 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3823 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
3826 2005-09-02 Nicolas Pitre <nico@cam.org>
3828 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
3829 to bit_count to 32 bits.
3831 2005-08-31 Mark Mitchell <mark@codesourcery.com>
3834 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
3835 generating synthetic loads from volatile lvalues.
3837 005-09-02 Nick Clifton <nickc@redhat.com>
3839 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
3840 __ctzhi2, __clzhi2): New functions.
3842 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
3845 * tree-nested.c (struct var_map_elt): Mark with GTY.
3846 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
3848 (lookup_field_for_decl): Allocate new element in GC memory.
3849 (lookup_tramp_for_decl): Likewise.
3850 (convert_nl_goto_reference): Likewise
3851 (create_nesting_tree): Allocate info in GC memory. Likewise for
3853 (free_nesting_tree): Free with ggc_free instead of free.
3854 (root): New static variable.
3855 (lower_nested_functions): Remove root as local variable. And zero out
3856 root at the end of the function.
3858 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
3860 PR rtl-optimization/20365
3861 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
3862 to short. New member ix.
3863 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
3864 (simplify_plus_minus): Initialize ix members before calling qsort.
3866 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
3868 PR tree-optimization/23626
3869 * tree-cfg.c (replace_uses_by): Clean up eh info.
3871 2005-09-01 DJ Delorie <dj@redhat.com>
3873 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
3876 2005-09-01 David Edelsohn <edelsohn@gnu.org>
3878 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
3879 (rs6000_split_multireg_move): Use replace_equiv_address instead of
3882 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
3884 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
3885 do not issue warning for a variable definition following
3888 2005-09-01 Richard Henderson <rth@redhat.com>
3891 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
3892 conversion to CONST_VECTOR.
3894 2005-09-01 Richard Henderson <rth@redhat.com>
3897 * reload1.c (reload_as_needed): Check !CALL_P before calling
3898 fixup_eh_region_note.
3899 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
3901 2005-09-01 DJ Delorie <dj@redhat.com>
3903 * varasm.c (output_constant): Let the target resolve
3904 conversions of addresses to non-default pointer sizes.
3906 2005-09-01 Nicolas Pitre <nico@cam.org>
3908 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
3909 to alow matching ARM pre-indexed addressing mode.
3910 (arm_override_options): Remove now irrelevant comment.
3912 2005-09-01 Phil Edwards <phil@codesourcery.com>
3914 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
3915 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
3916 * config/i386/vxworks.h: Likewise.
3917 * config/i386/t-vxworksae: New file, for VxWorks AE.
3918 * config/i386/vxworksae.h: Likewise.
3920 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
3922 PR tree-optimization/23410
3923 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
3924 sequence is not wrapping during the first step.
3926 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3929 * dwarf2out.c (base_type_die): Compare char_type_node with
3930 TYPE_MAIN_VARIANT (type), not type.
3932 2005-09-01 Richard Guenther <rguenther@suse.de>
3934 PR tree-optimization/15366
3935 * common.opt: Add -finline-functions-called-once.
3936 Put -fearly-inlining in alphabetically ordered place.
3937 * doc/invoke.texi: Document new option.
3938 * ipa-inline.c (cgraph_decide_inlining): Honour
3939 flag_inline_functions_called_once.
3941 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3943 PR rtl-optimization/23478
3944 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
3945 (alloc_qty): Initialize it.
3946 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
3947 (combine_regs): Combine also n_throwing_calls_crossed fields.
3948 (find_free_reg): Don't attempt to caller-save pseudos crossing
3949 calls that might throw.
3950 * global.c (struct allocno): Add throwing_calls_crossed field.
3951 (global_alloc): Revert 2005-08-22 change. Initialize
3952 throwing_calls_crossed.
3953 (find_reg): Don't attempt to caller-save pseudos crossing calls that
3956 2005-09-01 Alan Modra <amodra@bigpond.net.au>
3959 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
3960 (mask64_operand): Reinstate code prior to 2005-06-11 change.
3961 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
3962 (and64_2_operand): Tweak to use predicate.
3963 (and_operand): Adjust for mask_operand changes.
3964 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
3965 (print_operand): Likewise.
3966 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
3967 (mask64_1or2_operand): Delete.
3968 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
3969 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
3970 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
3971 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
3972 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
3973 (rotldi3_internal4): Likewise.
3974 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
3975 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
3976 (ashldi3_internal7): Likewise.
3977 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
3978 (ashldi3_internal, ashldi3_internal9 split): Likewise.
3979 (anddi3 split): Don't match mask64_operand.
3980 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
3981 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
3982 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
3983 't' splitter predicate.
3984 (movdi_internal64 + 2): Revert 2005-06-11 change.
3986 2005-08-31 DJ Delorie <dj@redhat.com>
3988 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
3989 (m32c_asm_integer): Add support for 32 bit pointers.
3991 2005-08-31 Richard Henderson <rth@redhat.com>
3993 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
3994 component-like references for setting MEM_NOTRAP_P.
3996 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
3997 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
3999 2005-08-31 Richard Henderson <rth@redhat.com>
4001 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
4002 into a pseudo before applying gen_lowpart.
4004 2005-08-31 Geoffrey Keating <geoffk@apple.com>
4006 * doc/install.texi (Specific): Update cctools version required
4007 for full functionality.
4008 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
4009 linkers as -macosx_version_min.
4011 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
4014 * sh.c (print_operand, %R and %S): Add handling of floating point
4015 registers, memory, constants and invalid operands.
4017 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
4019 * ipa-pure-const.c: Change dump name.
4021 2005-08-31 Uros Bizjak <uros@kss-loka.si>
4024 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
4025 to "reg_or_0_operand".
4026 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
4028 2005-08-31 Dale Johannesen <dalej@apple.com>
4030 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
4031 loops that count down.
4033 2005-08-31 Richard Henderson <rth@redhat.com>
4036 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
4037 (fixup_eh_region_note): New.
4038 (reload_as_needed): Call it.
4039 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
4040 don't call find_many_sub_basic_blocks; call verify_flow_info.
4041 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
4042 (keep_stack_depressed): Likewise.
4043 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
4045 2005-08-31 Richard Henderson <rth@redhat.com>
4047 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
4050 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
4052 * expr.c (expand_expr_real_1): Compare size of address
4053 mode to target's address mode size in deciding expansion of
4054 the constant address.
4056 2005-08-31 Richard Guenther <rguenther@suse.de>
4059 * expr.c (all_zeros_p): New function.
4060 (expand_expr_real_1): Handle the case of an all-zero
4061 non-addressable constructor separately.
4063 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
4065 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
4066 arguments, adjust all callers.
4067 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
4069 2005-08-30 Richard Henderson <rth@redhat.com>
4072 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
4073 whenever the mode sizes match.
4075 2005-08-31 Alan Modra <amodra@bigpond.net.au>
4077 * calls.c (load_register_parameters): Fix comment typo.
4078 * expr.c (emit_push_insn): Comment formatting.
4080 2005-08-30 Ian Lance Taylor <ian@airs.com>
4082 * config/i386/x-cygwin (host-cygwin): Change dependency from
4083 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
4085 2005-08-29 Geoffrey Keating <geoffk@apple.com>
4087 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
4090 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4093 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
4094 call to ggc_collect.
4096 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
4099 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
4100 beginning. Remove $(INCLUDES) from all the rules, if following
4101 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
4103 2005-08-29 Jakub Jelinek <jakub@redhat.com>
4106 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
4107 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
4108 not constant, but maxlen is, don't set len to maxlen, rather
4109 set maxlen to len if len is a constant.
4111 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
4113 PR tree-optimization/23475
4114 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
4117 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
4119 Fix PR middle-end/22455
4121 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
4122 Checksum only the parts of the tree that exist for the tree code.
4124 2005-08-28 Dale Johannesen <dalej@apple.com>
4126 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
4128 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
4130 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
4132 2005-08-28 Richard Henderson <rth@redhat.com>
4134 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
4135 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
4138 2005-08-28 Jakub Jelinek <jakub@redhat.com>
4141 * builtins.c (get_memory_rtx): Don't strip nops
4142 in between COMPONENT_REFs.
4144 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
4147 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
4149 (gimplify_modify_expr): Check for zero sized types and gimplify the
4150 rhs and lhs as statements.
4152 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
4155 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
4156 state for return address column of signal frames.
4158 2005-08-27 David Edelsohn <edelsohn@gnu.org>
4161 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
4162 bytes >= 2 not bytes == 2.
4163 (expand_block_move): Same.
4165 2005-08-27 Richard Guenther <rguenther@suse.de>
4168 * config/i386/sse.md (sse2_movsd): Add missing closing
4171 2005-08-27 Paul Brook <paul@codesourcery.com>
4173 * genrecog.c (enum decision_type): Add DT_num_insns.
4174 (struct decision_test): Add u.num_insns.
4175 (add_to_sequence): Add DT_num_insns test.
4176 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
4177 (write_cond, debug_decision_2): Ditto.
4178 (change_state): Assume peep2_next_insn never fails.
4179 Remove "afterward" argument.
4180 (write afterward, write_tree): Update to match.
4181 * recog.c (peep2_current_count): New variable.
4182 (peep2_next_insn): Check it.
4183 (peephole2_optimize): Set peep2_current_count.
4184 * recog.h (peep2_current_count): Declare.
4186 2005-08-26 Josh Conner <jconner@apple.com>
4189 * ipa-pure-const.c (check_tree): Check for volatile-ness
4190 when considering a dereference.
4192 2005-08-27 Jakub Jelinek <jakub@redhat.com>
4194 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
4196 2005-08-26 Jakub Jelinek <jakub@redhat.com>
4198 PR rtl-optimization/23561
4199 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
4200 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
4201 at most LEN bytes long memory fits into the field.
4202 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
4203 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
4204 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
4206 2005-08-26 Richard Henderson <rth@redhat.com>
4209 * loop.c (biased_biv_may_wrap_p): New.
4210 (maybe_eliminate_biv_1): Use it to suppress non-equality
4211 comparison transformations. Delete disabled code.
4213 2005-08-26 Ian Lance Taylor <ian@airs.com>
4215 * combine.c (make_extraction): Avoid reference outside object.
4217 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
4219 * stor-layout.c (finalize_type_size): Restore behaviour for
4220 non-aggregate types to the status quo ante of the patch for
4221 pr 23467. Document why it matters.
4223 2005-08-26 Jakub Jelinek <jakub@redhat.com>
4226 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
4227 array by one element, initialize the BT_LAST element with NULL.
4229 2005-08-26 David Edelsohn <edelsohn@gnu.org>
4231 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
4232 optimizing for size.
4234 (compare_plus_eqsi): Same.
4235 (plus_eqsi_compare): Same.
4236 (neg_eq0<mode>): Same.
4237 (neg_eq<mode>): Same.
4239 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
4242 2005-08-26 Nick Clifton <nickc@redhat.com>
4244 * config/v850/v850.c (ep_memory_operand): Return FALSE if
4245 TARGET_EP is not defined.
4246 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
4247 TARGET_EP is enabled.
4248 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
4249 * config/v850/v850.md (save_all_interrupt): Only use the EP
4250 register if TARGET_EP is defined.
4251 (restore_all_interrupt): Likewise.
4252 * config/v850/lib1funcs.asm: Update functions so that the EP
4253 register is only used if __EP__ is defined.
4255 2005-08-26 David Ung <davidu@mips.com>
4257 * config/mips/mips.c (mips_expand_prologue): Handle case when
4258 generating for MIPS16 and the outgoing argument area is more than
4259 SMALL_OPERAND. Use the frame pointer as temporary to generate the
4262 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
4264 * config/crx/crx.md: Make doloop_end pattern usage controllable
4265 via mloop-nesting=<max-nesting> command line switch. Make sure
4266 the combiner cannot use doloop_end_<mode> in an illegal way.
4267 * config/crx/crx.c: Use regs up to r6 for argument passing.
4268 Refine crx_address_cost (non cst4 displacements are expensive).
4269 * config/crx/crx.opt: Add switch for mloop-nesting=.
4271 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
4273 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
4274 (UNSPEC_MVST): New constant.
4276 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
4278 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
4279 Reject operands containing eliminable registers.
4280 * testsuite/gcc.dg/20050825-1.c: New testcase.
4282 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4283 Jan Hubicka <jh@suse.cz>
4285 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
4287 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4289 PR tree-optimization/23546
4290 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
4293 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
4295 * params.def (PARAM_MIN_SPEC_PROB): New.
4296 * sched-rgn.c (MIN_PROBABILITY): Delete.
4297 (compute_trg_info): Convert to PARAM_VALUE.
4298 * doc/invoke.texi (param): Document min-spec-prob.
4300 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
4302 * config/darwin.h: define __PIC__
4303 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
4304 TARGET_OS_CPP_BUILTINS macro.
4306 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4308 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
4311 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
4313 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
4315 * cfghooks.c (duplicate_block): Added position where to place
4316 new block as argument.
4317 * cfghooks.h (duplicate_block): Declaration changed.
4318 * cfglayout.c (copy_bbs): Add argument after. Pass it to
4320 * cfglayout.h (copy_bbs): Declaration changed.
4321 * cfgloop.h (loop_version): Declaration changed.
4322 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
4323 position to copy_bbs.
4324 (loop_version): Pass position to duplicate_loop_to_header_edge.
4325 Add place_after argument and position new blocks according to
4327 * modulo-sched.c (sms_schedule): Pass place_after argument
4329 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
4330 * tree-cfg.c (split_edge_bb_loc): New function.
4331 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
4332 to determine position of new blocks.
4333 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
4335 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
4336 argument to duplicate_block.
4337 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
4338 Pass position to copy_bbs.
4340 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
4342 * fold-const.c (ptr_difference_const): Use
4343 cst_and_fits_in_hwi instead of host_integerp.
4345 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4347 * config/darwin.c (gen_pic_offset): New.
4348 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
4351 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
4353 PR tree-optimization/23486
4354 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
4356 2005-08-23 Phil Edwards <phil@codesourcery.com>
4358 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
4359 remove use_collect2.
4360 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
4362 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
4363 configuration files to override the default value.
4365 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
4366 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
4367 * config/vx-common.h: New file, split out from...
4368 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
4369 * config/vxworksae.h: New file, for VxWorks AE.
4370 * config/vxworks.opt: New file.
4371 * config/vxlib.c: Update for VxWorks 6.
4373 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
4374 other MULTILIB_* variables appropriately.
4375 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
4376 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
4377 * config/rs6000/vxworks.h: Update for VxWorks 6.
4378 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
4380 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
4383 * config/darwin.c (machopic_select_section): Remove the hack to
4384 mark "::operator new" and "::operator delete" for coalescing
4385 even though they are not weak.
4387 2005-08-24 Alan Modra <amodra@bigpond.net.au>
4389 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
4390 * configure: Regenerate.
4392 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
4395 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
4397 * convert.c (convert_to_integer, convert_to_vector): Likewise.
4398 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
4401 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
4403 * config/rs6000/predicates.md (equality_operator): New.
4404 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
4405 comparison with a large constant.
4407 2005-08-23 Mark Mitchell <mark@codesourcery.com>
4409 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
4411 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
4413 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
4414 registers is even, and we have a hardware double precision fp,
4416 (sh_gimplify_va_arg_expr): For floating point arguments, consider
4417 size of current argument when checking if argument was passed in
4420 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
4423 * stor-layout.c (finalize_type_size): Dont override
4424 existing alignment with a smaller alignment from the mode.
4426 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
4428 * lambda-code.c (lambda_vector_lexico_pos): Moved...
4429 * lambda.h (lambda_vector_lexico_pos): ... here.
4430 * tree-data-ref.c (build_classic_dist_vector): Return false when
4431 the distance vector is lexicographically negative.
4433 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
4435 PR tree-optimization/23511
4436 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
4437 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
4439 2005-08-23 Jakub Jelinek <jakub@redhat.com>
4441 PR tree-optimization/22043
4442 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
4443 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
4444 If ALLOW_FLEXARR, handle types ending with flexible array member.
4445 Pass false as second argument to recursive count_type_elements calls.
4446 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
4447 argument to count_type_elements call.
4448 * tree-sra.c (decide_block_copy): Likewise.
4449 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
4450 for a constant-sized object, set cleared as well. Pass true as
4451 second argument to count_type_elements call.
4453 2005-08-23 Alan Modra <amodra@bigpond.net.au>
4456 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
4457 from legitimate_small_data_p, and make global. Update use.
4458 Remove forward declaration.
4459 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
4461 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
4463 2005-08-23 David Edelsohn <edelsohn@gnu.org>
4465 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
4466 of scratch intermediates.
4467 (eq<mode>_compare): Same.
4468 (neg_eq0<mode>): New.
4469 (neg_eq<mode>): Convert to define_insn_and_split.
4471 2005-08-23 Alan Modra <amodra@bigpond.net.au>
4474 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
4475 stdarg functions, set/clear the fp marker even when no variable
4477 * config/rs6000/sysv4.opt (mprototype): Describe.
4479 2005-08-22 Jakub Jelinek <jakub@redhat.com>
4481 PR rtl-optimization/23478
4482 * regs.h (reg_info): Add throw_calls_crossed.
4483 (REG_N_THROWING_CALLS_CROSSED): Define.
4484 * flow.c (allocate_reg_life_data): Initialize
4485 REG_N_THROWING_CALLS_CROSSED.
4486 (propagate_one_insn, attempt_auto_inc): Update
4487 REG_N_THROWING_CALLS_CROSSED.
4488 * global.c (global_alloc): Don't allocate pseudos across
4489 calls that may throw.
4491 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
4494 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
4495 value is inbetween the range if we did not find an exact match.
4497 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
4499 * doc/invoke.texi (Option Summary): Add ms1 options.
4500 * doc/extend.texi: Document interrupt handler attribute for ms1.
4501 * doc/md.texi: Document ms1 constraints.
4502 * config.gcc: Add ms1-*-elf.
4503 * config/ms1/ms1.h: New.
4504 * config/ms1/ms1.c: New.
4505 * config/ms1/ms1.md: New.
4506 * config/ms1/ms1-protos.h: New.
4507 * config/ms1/ABI.txt: New.
4508 * config/ms1/crti.asm: New.
4509 * config/ms1/crtn.asm: New.
4510 * config/ms1/lib2extra-funcs.c: New.
4511 * config/ms1/t-ms1: New.
4512 * config/ms1/ms1.opt: New.
4514 2005-08-22 Ira Rosen <irar@il.ibm.com>
4516 * config/rs6000/altivec.md (xorv4sf3): New.
4517 (negv4sf2, neg<mode>2): Likewise.
4519 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
4522 * config/ia64/ia64.md (divsi3): Check divide by zero.
4523 (udivsi3): Likewise.
4525 (udivdi3): Likewise.
4527 2005-08-21 Jakub Jelinek <jakub@redhat.com>
4529 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
4530 up to elem_bitsize bits, not max_bitsize.
4532 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
4534 PR tree-optimization/23433
4535 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
4536 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
4538 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
4540 PR tree-optimization/23434
4541 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
4542 the iteration bound is not an INTEGER_CST.
4544 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
4546 * tree-vect-transform.c (get_initial_def_for_reduction): Set
4547 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
4548 NULL if need_epilog_adjust is false.
4549 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
4550 Case 3 always peels first itration, not just for PLUS case, and no need
4551 to use scalar_initial_def here. Create an epilog adjustment only if
4552 scalar_initial_def is not NULL.
4554 (vectorizable_reduction): Remove assert.
4556 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
4559 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
4560 (__moddi3): Likewise.
4561 (__udivdi3): Likewise.
4562 (__umoddi3): Likewise.
4563 (__divsi3): Likewise.
4564 (__modsi3): Likewise.
4565 (__udivsi3): Likewise.
4566 (__umodsi3): Likewise.
4568 2005-08-20 Jakub Jelinek <jakub@redhat.com>
4570 * tree-pass.h (TDF_GRAPH): Define.
4571 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
4572 * passes.c (finish_optimization_passes): Only call
4573 finish_graph_dump_file if TDF_GRAPH is set.
4574 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
4575 NULL. Set TDF_GRAPH bit.
4576 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
4578 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
4580 * arm.h (arm_stack_offsets): Add locals_base field.
4581 * arm.c (arm_get_frame_offsets): Compute it.
4582 (thumb_compute_initial_elimination offset): Make the Thumb frame
4583 pointer point to the base of the local variables.
4584 (thumb_expand_prologue): Update accordingly.
4585 (thumb_expand_epilogue): Likewise.
4587 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
4588 mode of clobbered scratch to DImode. Handle a case that's known to
4591 2005-08-19 David Edelsohn <edelsohn@gnu.org>
4593 * config/rs6000/rs6000.md (gt0<mode>): Delete.
4594 (gt0<mode>_compare): Delete.
4595 (neg_gt0<mode>): Delete.
4597 2005-08-19 Eric Christopher <echristo@apple.com>
4599 * optabs.h: Change CTI_ to COI_.
4602 2005-08-19 James E Wilson <wilson@specifix.com>
4604 * builtins.c (expand_builtin_return_addr): Set
4605 current_function_accesses_prior_frames when count != 0. Use
4606 frame_pointer_rtx when count == 0.
4607 * function.h (struct function): Add accesses_prior_frames field.
4608 (current_function_accesses_prior_frames): Define.
4609 * reload1.c (init_elim_table): Check
4610 current_function_accesses_prior_frames.
4611 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
4613 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4615 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
4616 indicator. Return true if the flowgraph changed during
4619 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4622 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
4623 conditional expression before testing its value.
4625 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4627 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
4629 2005-08-19 Devang Patel <dpatel@apple.com>
4631 PR tree-optimization/23048
4632 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
4633 third parameter. Check whether latch is dominated by exit
4635 (if_convertible_loop_p): Supply exit block itself to
4636 if_convertible_bb_p.
4638 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
4641 * arm.md (arm_load_pic_register): Change argument to the mask of
4642 saved registers. Call thumb_find_work_register if we need a
4643 scratch register on Thumb.
4644 (arm_expand_prologue): Pass empty register set to
4645 arm_load_pic_register.
4646 (thumb_expand_prologue): Pass live_regs_mask directly to
4647 arm_load_pic_register.
4648 * arm-protos.h (arm_load_pic_register): Update prototype.
4650 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
4652 * sh.c (find_sole_member): New function.
4653 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
4654 if the record's alignment is larger than the size of its only member.
4656 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
4659 * arm.c (thumb_legitimize_reload_address): New function.
4660 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
4661 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
4663 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
4665 * config/crx/crx.c: Implement crx_decompose_address. Reject
4666 symbolic displacements since CRX register relative adressing
4667 mode can't handle unsigned 32-bit values as displacements.
4668 * config/crx/crx.h: Simplify definitions, remove redundant
4669 parenthesis and obsolete macros.
4670 * config/crx/crx.opt: Add new switch for debugging addresses.
4671 * config/crx/crx-protos.h: Add new declarations for above.
4673 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
4676 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
4679 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4681 * collect2.c (dup2): Delete.
4682 * configure.ac: Don't check for dup2.
4684 * config.in, configure: Regenerate.
4686 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
4688 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
4689 record with the type of its only member.
4691 2005-08-18 David Edelsohn <edelsohn@gnu.org>
4693 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
4694 define_insn_and_split.
4695 (plus_ltu<mode>_compare): Same.
4696 (gtu<mode>_compare): Same.
4697 (plus_gtu<mode>_compare): Same.
4699 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
4701 PR tree-optimization/22228
4702 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
4704 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
4705 are recorded in vect_vnames_to_rename for renaming.
4706 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
4707 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
4708 in vect_vnames_to_rename.
4709 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
4710 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
4712 2005-08-18 Jan Hubicka <jh@suse.cz>
4715 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
4716 info only for local statics, not for member variables.
4718 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4720 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
4722 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4724 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
4726 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
4729 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
4731 2005-08-17 James E Wilson <wilson@specifix.com>
4733 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4736 2005-08-17 David Edelsohn <edelsohn@gnu.org>
4738 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
4739 (leu<mode>_compare): Same.
4740 (plus_leu<mode>): Same.
4741 (neg_leu<mode>): Same.
4742 (and_neg_leu<mode): Same.
4743 (ltu<mode>_compare): Same.
4744 (plus_ltu<mode>): Same.
4746 (geu<mode>_compare): Same.
4747 (plus_geu<mode>): Same.
4748 (neg_geu<mode>): Same.
4749 (and_neg_geu<mode>): Same.
4750 (plus_gt<mode>): Same.
4751 (gtu<mode>_compare): Same.
4752 (plus_gtu<mode>): Same.
4754 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
4756 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
4757 Move call_table_data to end. Delete spurious .text.
4758 (callt_save_all_interrupt): Fix comment typo.
4760 2005-08-17 James E Wilson <wilson@specifix.com>
4761 Kevin Winchester <winchester@amirix.com>
4764 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
4766 2005-08-17 Uros Bizjak <uros@kss-loka.si>
4769 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
4770 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
4772 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
4774 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
4775 record with the type of its only member if the modes don't match.
4777 * varasm.c (decode_reg_name): Skip empty additional register names.
4779 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4781 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
4782 lsm_tmp_name_length): New.
4783 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
4784 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
4786 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4787 Andreas Krebbel <krebbel1@de.ibm.com>
4789 * config.gcc: Added z9-109 switch.
4790 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
4791 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
4792 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
4793 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4794 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
4795 for "z9_109" cpu attribute.
4796 * config/s390/s390.c (z9_109_cost): New processor cost structure.
4797 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
4798 (s390_handle_arch_option): Added z9-109 switch.
4799 (override_options): Set respective cost function for z9-109.
4800 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
4801 (legitimate_reload_constant_p): Accept extended immediates.
4802 (print_operand): Three new output modifiers added: k, m and o.
4803 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
4804 (s390_output_mi_thunk): Use extended immediate when possible.
4805 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
4806 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
4807 (CONSTRAINT_LEN): Added length of O constraint.
4808 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
4809 * config/s390/s390.md ("cpu"): New value z9_109 added.
4810 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
4811 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
4812 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
4813 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
4814 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
4815 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
4816 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
4817 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
4818 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
4819 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4820 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
4821 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
4822 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
4823 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
4824 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
4826 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
4827 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
4828 insns for TARGET_EXTIMM.
4830 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
4832 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
4834 2005-08-17 Nick Clifton <nickc@redhat.com>
4836 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
4837 Call default_encode_section_info.
4839 2005-08-17 Steven Bosscher <stevenb@suse.de>
4841 PR tree-optimization/21574
4842 * tree-ssa-ccp.c (likely_value): If the right hand side is a
4843 constant, return CONSTANT.
4844 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
4845 (ccp_fold, visit_assignment): Likewise.
4846 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
4848 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4850 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
4851 fold_buildN instead of buildN then fold_initializer or fold.
4852 (build_unary_op): Likewise.
4853 (build_binary_op): Likewise.
4854 * fold-const.c (fold_initializer): Remove.
4855 (fold_build1_initializer): New function.
4856 (fold_build2_initializer): New function.
4857 (fold_build3_initializer): New function.
4858 * tree.h (fold_initializer): Remove.
4859 (fold_build1_initializer): New function.
4860 (fold_build2_initializer): New function.
4861 (fold_build3_initializer): New function.
4863 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4865 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
4866 (try_move_mult_to_index): Call fold_build2 instead of build2.
4867 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
4868 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
4869 fold_binary_to_constant.
4870 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
4872 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
4873 check if A == gcd (A, B). Remove TYPE argument.
4874 (analyze_offset) Use fold_build2 instead of fold (build.
4875 (create_data_ref): Likewise.
4876 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
4877 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
4880 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
4882 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
4883 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
4885 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
4888 * gimplify.c (zero_sized_type): New function.
4889 (gimplify_modify_expr_rhs): If we have a zero sized type,
4890 replace the statement with an empty statement.
4892 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
4894 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
4897 2005-08-16 Ian Lance Taylor <ian@airs.com>
4899 * doc/tm.texi (Label Output): Correct typo.
4901 2005-08-16 Steven Bosscher <stevenb@suse.de>
4904 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
4905 force_operand will work later on using have_insn_for.
4907 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4909 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
4911 2005-08-16 Ian Lance Taylor <ian@airs.com>
4914 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
4915 vector type, don't try to construct it element by element. Add an
4916 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
4918 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4920 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
4922 2005-08-16 Geoffrey Keating <geoffk@apple.com>
4924 * doc/invoke.texi (Precompiled Headers): Document some more options
4925 which are known to be safe.
4927 2005-08-16 James E Wilson <wilson@specifix.com>
4929 PR tree-optimization/21105
4930 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4931 TREE_OVERFLOW check.
4933 2005-08-16 David Edelsohn <edelsohn@gnu.org>
4935 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
4936 (neg_ltu<mode>): Same.
4938 (neg_gtu<mode>): Same.
4940 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4942 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
4943 (fold_builtin_isdigit): Use fold_buildN.
4944 (build_function_call_expr): Likewise.
4945 * c-typeck.c (c_finish_loop): Likewise.
4947 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
4948 Richard Shann <rshann@superh.com>
4950 PR middle-end/20396:
4951 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
4953 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
4955 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
4957 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
4960 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
4961 arm_compure_save_reg0_reg12_mask to determine when the PIC register
4964 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4967 * fold-const.c (build_range_check): Disable optimization for function
4968 pointer expressions on targets that require function pointer
4971 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
4973 * simplify-rtx.c (simplify_const_relational_operation): When
4974 extracting arguments of a COMPARE, recompute the mode as well.
4976 2005-08-15 Ian Lance Taylor <ian@airs.com>
4978 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
4980 2005-08-15 DJ Delorie <dj@redhat.com>
4982 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
4984 (movsi_splittable): Allow, but split, moves to the stack.
4985 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
4988 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4990 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
4991 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
4992 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
4994 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
4995 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
4996 Delete HOST_PTR_PRINTF.
4998 * configure, config.in: Regenerate.
5000 2005-08-15 David Edelsohn <edelsohn@gnu.org>
5002 * config/rs6000/rs6000.md (QHSI): New mode macro.
5003 (wd): Extend mode attr for QImode and HImode
5004 (dbits): New mode attr.
5005 (zero_extend<mode>di2): Convert to mode macro.
5007 2005-08-15 Steve Ellcey <sje@cup.hp.com>
5010 * doc/invoke.texi (-mgnu-ld): Update description.
5013 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5016 * Makefile.in (tree-chrec.o): Depends on real.h.
5017 * tree-chrec.c: Include real.h.
5018 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
5019 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
5020 * tree-scalar-evolution.c (add_to_evolution_1,
5021 interpret_rhs_modify_expr): Ditto.
5023 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5026 * tree-data-ref.c (estimate_niter_from_size_of_data): When
5027 step is negative compute the estimation from init downwards to zero.
5029 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
5031 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
5033 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5035 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
5037 (legitimate_reload_constant_p): Fix handling of lliXX operands.
5038 Accept double-word constants that can be split.
5039 * config/s390/s390.md ("movti"): Use 'P' constraint.
5040 ("*movdi_31", "*movdf_31"): Likewise.
5042 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
5044 Fix PR tree-optimization/22615
5046 * tree-ssa-structalias.c (solution_set_add): Handle
5047 first_vi_for_offset returning NULL.
5048 (do_da_constraint): Ditto.
5049 (do_sd_constraint): Ditto.
5050 (do_ds_constraint): Ditto
5051 (find_func_aliases): Ditto.
5052 (build_constraint_graph): RHS is allowed be ANYTHING.
5053 (first_vi_for_offset): Return NULL if we couldn't find anything at
5056 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5058 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
5059 over memory as first operand.
5061 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
5064 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
5065 available for setting it.
5067 2005-08-14 Ira Rosen <irar@il.ibm.com>
5069 PR tree-optimization/23320
5070 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
5071 data-refs' types instead of base object nullness. Add check for
5072 pointer type data-refs before first location comparison. Remove
5075 2005-08-14 Andreas Schwab <schwab@suse.de>
5077 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
5079 2005-08-13 James E Wilson <wilson@specifix.com>
5081 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
5082 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
5083 -fstack-protector-all, --param ssp-buffer-size): Document.
5084 (-Wvariadic-macros): Alphabetize.
5085 (-fsched-stalled-insns-dep): Add missing 'f'.
5087 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
5090 2005-08-13 David Edelsohn <edelsohn@gnu.org>
5092 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
5093 or indirect address operand.
5094 (EXTRA_ADDRESS_CONSTRAINT): New.
5095 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
5097 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
5099 PR tree-optimization/22236
5100 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
5101 successors and predecessors.
5102 * tree-chrec.c (chrec_convert): Before converting, check that
5103 sequences don't wrap.
5104 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
5105 (analyze_array): Extern.
5106 (find_data_references_in_loop): Remove call to
5107 compute_estimated_nb_iterations.
5108 * tree-data-ref.h (analyze_array): Declared.
5109 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
5110 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
5111 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
5112 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
5114 * tree-ssa-loop-ivcanon.c: Fix documentation.
5115 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
5116 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
5117 (infer_loop_bounds_from_undefined): New.
5118 (estimate_numbers_of_iterations_loop): Use
5119 infer_loop_bounds_from_undefined.
5120 (used_in_pointer_arithmetic_p): New.
5121 (scev_probably_wraps_p): Pass an extra parameter. Call
5122 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
5123 (convert_step): Fix documentation.
5124 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
5125 Use initial_condition_in_loop_num and evolution_part_in_loop_num
5126 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
5127 scev_probably_wraps_p.
5129 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
5131 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
5132 (s390_register_info): Ignore clobbered_regs information for fixed
5133 registers, and only fixed registers.
5134 (s390_init_frame_layout): Remove redundant call.
5136 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
5138 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
5139 description of -Wold-style-casts.
5141 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5142 Jakub Jelinek <jakub@redhat.com>
5144 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5145 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
5146 * config/s390/s390.c (print_operand): New output modifier 'G' added.
5147 (get_thread_pointer): Renamed to s390_get_thread_pointer.
5148 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
5149 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
5150 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
5151 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5152 ("stack_protect_set", "stack_protect_test"): New expanders.
5153 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
5154 "stack_protect_testdi"): New insn definitions.
5156 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5158 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
5160 2005-08-12 Paul Brook <paul@codesourcery.com>
5162 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
5164 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5166 * config/s390/predicates.md (setmem_operand): New predicate.
5167 (shift_count_operand): Accept ANDs with special constants as
5169 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
5170 with special constants.
5171 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
5172 shift_count_operand with setmem_operand.
5174 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5176 * config/s390/s390.c (s390_extract_part, s390_single_part):
5178 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
5179 (s390_output_mi_thunk): Don't use lg on 31 bit.
5180 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
5181 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
5183 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5185 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
5186 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
5187 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
5188 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
5189 with one of the new macros.
5191 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5193 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
5194 Don't set save_return_addr_p.
5195 (s390_register_info): Make clobbered_regs not depending on
5198 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
5200 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
5201 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
5203 2005-08-11 James E. Wilson <wilson@specifix.com>
5205 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
5207 2005-08-11 Jakub Jelinek <jakub@redhat.com>
5209 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
5210 locations gathered by var-tracking in single entry loc_list
5211 over loc_descriptor_from_tree.
5213 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
5214 pass it down to loc_descriptor.
5215 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
5216 (containing_function_has_frame_base): Move earlier in the file.
5217 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
5218 instead of always assuming fbreg can't be used.
5220 2005-08-11 David Edelsohn <edelsohn@gnu.org>
5222 * config/rs6000/altivec.md: Change constraint "m" to "Z".
5223 * config/rs6000/predicates.md (indexed_or_indirect_operand):
5224 Accept address wrapped in AND for Altivec.
5225 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5226 Strip AND wrapping offset address for Altivec.
5228 2005-08-11 Richard Henderson <rth@redhat.com>
5231 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
5232 before using TYPE_IS_SIZETYPE.
5234 2005-08-11 Richard Henderson <rth@redhat.com>
5237 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
5238 insn types not present on ev4.
5239 (alphaev5_insn_pipe): Similarly.
5241 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
5244 * arm.c (arm_override_options): If the user has selected callee-super-
5245 interworking, then enable normal interworking.
5247 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5249 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
5252 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
5254 * doc/rtl.texi: Fix two typos.
5256 2005-08-11 Richard Guenther <rguenther@suse.de>
5259 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
5260 cases where we call to/from functions returning void.
5262 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
5265 * tree.c (build_pointer_type_for_mode): Robustify.
5267 2005-08-10 James E Wilson <wilson@specifix.com>
5269 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
5270 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
5272 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
5275 2005-08-10 Eric Christopher <echristo@apple.com>
5277 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
5278 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
5281 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
5284 * config/darwin.c (machopic_indirect_data_reference): Use a new register
5285 for the high part when generating dynamic-no-pic code.
5287 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
5289 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
5290 (x86_64-*-linux*): Likewise.
5292 * config/i386/crtfastmath.c: New file.
5293 * config/i386/t-crtfm: Likewise.
5295 * config/i386/linux.h (ENDFILE_SPEC): New.
5296 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
5298 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
5301 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
5303 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
5304 (vec_shl, vec_shr): Document new operations.
5305 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
5307 2005-08-10 David Edelsohn <edelsohn@gnu.org>
5309 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
5310 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
5311 change predicate to indexed_or_indirect_address.
5313 2005-08-10 Richard Sandiford <richard@codesourcery.com>
5315 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
5316 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
5317 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
5318 and __aeabi_uwrite8.
5319 * config/arm/unaligned-funcs.c: New file.
5320 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
5322 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
5324 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
5326 * cfglayout.c (pass_insn_locators_initialize): Add dump.
5327 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
5329 * except.c (pass_convert_to_eh_region_ranges): Add dump.
5330 * final.c (pass_shorten_branches): Add dump.
5331 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
5332 (pass_life): Rename dump.
5333 (rest_of_handle_flow2): Remove initial verify_flow_info.
5334 * function.c (pass_instantiate_virtual_regs): Add dump.
5335 * integrate.c (pass_initial_value_sets): Add dump.
5336 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
5337 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
5338 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
5339 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
5340 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
5341 gate_rtl_unrool_and_peel_loops): New.
5342 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
5343 rtl_doloop): Do not look at flags.
5344 * mode-switching.c (pass_mode_switching): Add dump.
5345 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
5346 pass_split_before_regstack): Add dump.
5347 * regmove.c (pass_stack_adjustments): Add dump.
5348 * tree-optimize.c (pass_fixup_cfg): Add dump.
5350 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5353 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
5354 deciding which instruction sequence to use.
5356 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
5358 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
5359 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
5361 2005-08-09 Richard Guenther <rguenther@suse.de>
5363 * c-common.c (builtin_function_2): Remove.
5364 (def_builtin_1): New function.
5365 (c_common_nodes_and_builtins): Use def_builtin_1 to
5366 build builtin functions.
5368 2005-08-09 Jie Zhang <jie.zhang@analog.com>
5370 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
5371 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5372 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
5375 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
5377 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
5378 fold_binary instead of fold_build2 since we don't care about the
5380 (loop_niter_by_eval): Likewise.
5381 (compare_trees): Likewise.
5382 (proved_non_wrapping_p): Likewise.
5384 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
5388 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
5389 if the if is really empty.
5391 2005-08-09 Steven Bosscher <stevenb@suse.de>
5393 PR tree-optimization/23234
5394 * tree-ssa-math-opts.c (place_reciprocal): New enum.
5395 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
5396 argument of the new enum.
5397 (execute_cse_reciprocals): Add reciprocals for function arguments
5398 on the unique successor edge of the entry block. Update other calls
5399 to execute_cse_reciprocals_1.
5401 2005-08-08 Richard Henderson <rth@redhat.com>
5404 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
5406 2005-08-08 Bob Wilson <bob.wilson@acm.org>
5408 * expr.c (write_complex_part): Return after handling MEM.
5410 2005-08-08 Josh Conner <jconner@apple.com>
5412 PR rtl-optimization/23241
5413 * combine.c (simplify_comparison): Fix error in determining
5414 whether to lift a subreg from comparison.
5416 2005-08-08 David Edelsohn <edelsohn@gnu.org>
5419 * config/rs6000/altivec.md (vec_init<mode>): New.
5420 (vec_set<mode>): New.
5421 (vec_extract<mode>): New.
5422 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
5423 (rs6000_expand_vector_set): New.
5424 (rs6000_expand_vector_extract): New.
5425 (rs6000_legitimate_offset_address_p): Offset addresses are valid
5426 for Altivec modes before reload.
5427 (altivec_expand_vec_init_builtin): New.
5428 (get_element_number): New.
5429 (altivec_expand_vec_set_builtin): New.
5430 (altivec_expand_vec_ext_builtin): New.
5431 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
5433 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
5435 * config/rs6000/rs6000.h (rs6000_builtins): Add
5436 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
5437 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
5438 * config/rs6000/rs6000-protos.h: Declare new functions.
5440 2005-08-08 Jan Hubicka <jh@suse.cz>
5442 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
5443 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
5444 * i386.md (movdi*): Use pic_32bit_operand.
5445 * predicates.md (pic_32bit_operand): New.
5447 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
5450 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
5452 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
5454 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
5455 (test_for_singularity): Use fold_build2.
5457 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5459 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
5461 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
5463 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5464 (COMMON_ASM_OP) Define.
5465 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
5466 (ix86_encode_section_info): Likewise.
5467 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
5468 SUBTARGET_ENCODE_SECTION_INFO.
5470 2005-08-06 Richard Henderson <rth@redhat.com>
5473 * tree-nested.c (convert_local_reference): Save and restore val_only
5474 around component_ref and friends. Clear walk_subtrees by default.
5476 2005-08-06 Peter O'Gorman <peter@pogma.com>
5479 * gcc.c (process_command): Check the argument to -b has a dash.
5480 * doc/invoke.texi: Update -b and -V docs.
5482 2005-08-06 James E Wilson <wilson@specifix.com>
5484 * config/mips/cross64.h, config/mips/t-cross64: Delete.
5486 2005-08-06 Michael Matz <matz@suse.de>
5488 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
5489 member only if only one insn is associated with the value.
5491 2005-08-06 Nick Clifton <nickc@redhat.com>
5493 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
5495 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
5496 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
5497 Check symbol flags instead of symbol name mangling.
5498 (xstormy16_asm_output_aligned_common): Likewise. Also
5499 simplify code since the bss100_section cass is the only case
5500 where the below100 code will be triggered.
5501 (xstormy16_encode_section_info): Encode below100 attribute
5502 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
5504 (xstormy16_strip_name_encoding): Delete - this function is no
5506 (TARGET_STRIP_NAME_ENCODING): Undefine.
5507 * config/stormy16/stormy16-protos.h: Delete prototype for
5508 xstormy16_strip_name_encoding.
5510 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
5512 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
5513 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
5514 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
5515 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
5516 config/alpha/predicates.md, config/arc/arc.h,
5517 config/arm/arm.h, config/arm/ieee754-df.S,
5518 config/arm/ieee754-sf.S, config/bfin/bfin.c,
5519 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
5520 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
5521 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
5522 config/m68hc11/m68hc11.h, config/mips/mips.c,
5523 config/mips/mips.h, config/mips/openbsd.h,
5524 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
5525 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
5526 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5527 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
5528 config/sparc/linux.h, config/sparc/linux64.h,
5529 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
5530 doc/extend.texi, doc/gcov.texi, doc/install.texi,
5531 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
5532 typos. Follow spelling conventions.
5534 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
5537 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
5538 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
5539 specially. Check for side effects only for COND_EXPR.
5540 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
5541 return with TREE_NO_WARNING.
5543 2005-08-06 Richard Sandiford <richard@codesourcery.com>
5545 PR rtl-optimization/23233
5546 * loop.c (combine_movables): Require the modes to be the same.
5547 (move_movables): Remove handling of cases where the replacement
5548 had a different mode to the original.
5550 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
5552 PR tree-optimization/23128
5553 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
5554 subtraction wrap, and set TREE_OVERFLOW if they do.
5556 2005-08-05 Richard Henderson <rth@redhat.com>
5559 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
5560 FORCED_LABEL labels.
5562 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
5565 * reload.c (find_reloads_subreg_address): Pass down TYPE
5566 unchanged. Change all callers except find_reloads_toplev.
5568 2005-08-05 Michael Matz <matz@suse.de>
5570 * genattrtab.c (current_alternative_string): Remove.
5571 (SIMPLIFY_ALTERNATIVE): Ditto.
5572 (attr_alt_bit_p): Ditto.
5573 (alternative_name): Make const char *.
5574 (evaluate_eq_attr): Remove use of above things.
5575 (simplify_test_exp): Ditto.
5576 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
5577 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
5579 2005-08-04 James E Wilson <wilson@specifix.com>
5581 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
5582 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
5583 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
5584 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
5585 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
5587 2005-08-04 Richard Henderson <rth@redhat.com>
5590 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
5591 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
5592 * tree-sra.c (decide_block_copy): Use it. Disable element copy
5593 if we'd have to instantiate too many members.
5595 2005-08-04 Richard Henderson <rth@redhat.com>
5598 * tree-outof-ssa.c (coalesce_asm_operands): New.
5599 (coalesce_ssa_name): Use it. Split out ...
5600 (coalesce_phi_operands, coalesce_result_decls): ... these.
5602 2005-08-04 Paul Brook <paul@codesourcery.com>
5604 * read-rtl.c (read_quoted_string): Break if EOF.
5606 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
5608 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
5609 (fold_build2): Likewise.
5610 (fold_build3): Likewise.
5611 (fold_build1_stat): New function prototype.
5612 (fold_build2_stat): Likewise.
5613 (fold_build3_stat): Likewise.
5614 * fold-const.c (fold_build1): Rename to ..
5615 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5616 through to build1_stat.
5617 (fold_build2): Rename to ..
5618 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5619 through to build2_stat.
5620 (fold_build3): Rename to ..
5621 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5622 through to build3_stat.
5624 2005-08-04 David Edelsohn <edelsohn@gnu.org>
5625 Ian Lance Taylor <ian@airs.com>
5627 * function.c (assign_stack_local_1): Do not correct stack slot
5628 address if allocation size is smaller than mode size.
5630 2005-08-04 Diego Novillo <dnovillo@redhat.com>
5633 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
5634 (tree_merge_blocks): Propagate anything allowed by
5636 Clarify documentation.
5637 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
5638 SSA form, schedule an update if necessary.
5640 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
5642 * doc/install.texi (Binaries): Remove broken link to
5643 Sinix/Reliant Unix binaries.
5645 2005-08-03 Richard Henderson <rth@redhat.com>
5648 * function.c (stack_protect_epilogue): Export.
5649 * tree.h (stack_protect_epilogue): Declare.
5650 * calls.c (expand_call): Call it.
5652 2005-08-03 Eric Christopher <echristo@apple.com>
5654 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
5655 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
5658 2005-08-04 Jan Hubicka <jh@suse.cz>
5660 * profile.c (branch_prob): Split edges with goto locus on them
5661 to get proper line counts.
5662 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
5664 2005-08-03 Paul Brook <paul@codesourcery.com>
5666 * function.c (assign_parms): Round current_function_args_size
5667 to PARM_BOUNDARY, not STACK_BOUNDARY.
5669 2005-08-03 Geoffrey Keating <geoffk@apple.com>
5671 * config/i386/i386.c (x86_elf_aligned_common)
5672 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
5674 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
5676 PR tree-optimization/23157
5677 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
5678 before emitting them.
5680 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5682 PR tree-optimization/19899
5683 * Makefile.in (tree-scalar-evolution.o): Add real.h.
5684 * tree-scalar-evolution.c: Include real.h.
5685 (add_to_evolution): Build constant -1 of correct type.
5687 2005-08-03 Jan Hubicka <jh@suse.cz>
5689 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
5690 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
5691 profile updating for complette unrolling.
5692 * loop-unroll.c (peel_loop_completely): Use it.
5693 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
5694 (tree_unroll_loops_completely): Disable code growing unrolling of cold
5697 2005-08-03 Paul Brook <paul@codesourcery.com>
5699 * combine.c (can_change_dest_mode): New function.
5700 (try_combine, simplify_set): Use it.
5702 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
5704 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
5707 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
5709 * doc/install.texi (Specific): Adjust link to openavr.org.
5710 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
5711 (Binaries): Adjust HP-UX Porting Center link.
5712 (Binaries): Adjust Free Software Foundation ordering link.
5714 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
5716 * convert.c (convert_to_integer): Use fold_build1 instead of
5717 build1 when converting an integer to an integer.
5719 2005-08-02 Richard Henderson <rth@redhat.com>
5721 * combine.c (combine_instructions): Don't use reg_equal/equiv
5722 results if the mode doesn't match.
5724 2005-08-02 Mark Mitchell <mark@codesourcery.com>
5726 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
5727 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
5729 2005-08-02 Richard Henderson <rth@redhat.com>
5732 * explow.c (memory_address): Remove special-case for
5733 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
5735 2005-08-02 Diego Novillo <dnovillo@redhat.com>
5738 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
5739 number of calls to cleanup_tree_cfg_1.
5741 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
5743 * doc/invoke.texi: document file extensions .F90 and .F95
5745 2005-08-02 Richard Guenther <rguenther@suse.de>
5747 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
5748 positive if its first argument is positive.
5750 2005-08-02 Richard Guenther <rguenther@suse.de>
5752 PR tree-optimization/23177
5753 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
5756 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
5758 PR tree-optimization/23129
5759 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
5760 varying for divisions with anti-ranges.
5762 2005-08-02 Jan Hubicka <jh@suse.cz>
5764 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
5765 * tree-ssa-threadupdate.c (thread_block): Add it here.
5767 2005-08-01 James E Wilson <wilson@specifix.com>
5769 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
5770 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
5771 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
5773 * config/mips/predicates.md (const_call_insn_operand): Add check for
5774 SYMBOL_REF_LONG_CALL_P.
5775 * doc/extend.texi (long_call): Document the new attribute.
5777 2005-08-01 Ian Lance Taylor <ian@airs.com>
5778 Richard Henderson <rth@redhat.com>
5780 * Makefile.in (RTL_BASE_H): Add real.h.
5781 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
5783 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
5785 * rtl.c (rtl_check_failed_code_mode): New.
5786 * rtl.h (struct rtx_def): Add u.rv.
5787 (XCMWINT, XCNMPRV): New.
5788 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
5789 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
5791 2005-08-01 Richard Henderson <rth@redhat.com>
5793 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
5794 with auto-inc codes.
5796 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
5798 2005-08-01 Jan Hubicka <jh@suse.cz>
5800 * i386-protos.h (asm_preferred_eh_data_format): Declare.
5801 * i386.c: Include dwarf2.h
5802 (asm_preferred_eh_data_format): New.
5803 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
5805 2005-08-01 Ian Lance Taylor <ian@airs.com>
5807 * config/host-linux.c (linux_gt_pch_get_address): Add new name
5808 randomize_va_space for virtual address randomization control.
5810 2005-08-01 Steven Bosscher <stevenb@suse.de>
5812 * common.opt (flag_ipa_cp): Put in right place to maintain
5815 2005-08-01 Jan Hubicka <jh@suse.cz>
5817 * profile.c (compute_value_histograms): Fix thinko.
5818 * value-prof.c: Include toplev.h
5819 (check_counter): New function.
5820 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
5821 tree_mod_subtract_transform): Add sanity check.
5823 2005-08-01 Richard Guenther <rguenther@suse.de>
5825 PR tree-optimization/23133
5826 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
5827 current functions parameter decls to find defs to cse
5830 2005-08-01 Richard Guenther <rguenther@suse.de>
5832 PR tree-optimization/23109
5833 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
5834 If trapping math is in effect, use post-dominator information
5835 to check if we'd in any case reach a trapping point before
5836 doing the reciprocal insertion.
5837 (execute_cse_reciprocals): Compute post-dominators, if necessary.
5838 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
5839 expressions are invariant only if trapping math is not in effect.
5841 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5843 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
5844 cgraph_function_versioning): New declarations.
5845 * cgraphunit.c: Add include to ipa-prop.h.
5846 (update_call_expr, cgraph_copy_node_for_versioning,
5847 cgraph_function_versioning): New functions.
5848 * integrate.c (copy_decl_for_inlining): Remove.
5849 * ipa-prop.h (ipa_replace_map): New struct.
5850 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
5851 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
5852 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
5853 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
5854 ipcp_iterate_stage, ipcp_method_scale_print,
5855 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
5856 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
5857 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
5858 ipcp_update_bb_counts, ipcp_update_profiling,
5859 ipcp_update_edges_counts): New functions.
5860 (ipcp_method_cval_init): Remove restriction regarding local methods.
5861 (ipcp_init_stage): Add ipcp_method_compute_scale.
5862 (ipcp_insert_stage): Add versioning.
5863 (ipcp_structures_print): Add ipcp_method_scale_print.
5864 (ipcp_driver): Dump profiling info.
5865 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
5866 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
5867 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
5868 (struct inline_data): Add versioning_p, ipa_info, new fields.
5869 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
5870 declare_return_variable): Replace calls to copy_decl_for_inlining with
5872 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
5874 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
5875 Add argument VERSIONING.
5876 (copy_arguments_for_versioning, copy_static_chain,
5877 function_versionable_p, tree_versionable_function_p,
5878 tree_function_versioning, replace_ref_tree): New functions.
5879 * tree-inline.h: Include varray.h.
5880 (tree_versionable_function_p, tree_function_versioning,
5881 tree copy_decl_for_dup): New declarations.
5883 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5885 * ipa-cp.c: New file. Contains IPCP specific functionality.
5886 * ipa-prop.h: New file. Contains structures/definitions that can be
5887 used by several interprocedural data flow optimizations (and also IPCP).
5888 * ipa-prop.c: New file.
5889 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
5890 * common.opt: Add ipa-cp flag.
5891 * timevar.def: Add IPCP optimization.
5892 * tree-optimize.c (init_tree_optimization_passes): Schedule
5894 * tree-pass.h (pass_ipa_cp): Declare.
5896 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
5898 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
5899 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
5900 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
5901 config/i386/i386.c, config/mips/mips.h,
5902 config/rs6000/rs6000.h, config/sh/sh.c,
5903 config/stormy16/stormy16.c: Fix comment typos.
5905 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
5908 * c-typeck.c (build_binary_op): Use common_type wrapper on
5910 (common_type): Update comment.
5912 2005-07-31 Steven Bosscher <stevenb@suse.de>
5915 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
5916 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
5917 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
5919 2005-07-31 Jan Hubicka <jh@suse.cz>
5921 * pretty-print.h (pp_widest_integer): New macro.
5922 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
5925 2005-07-31 Jan Hubicka <jh@suse.cz>
5927 * output.h (enum section_category): Export from varasm.c
5928 (categorize_decl_for_section): Likewise.
5929 * varasm.c (enum section_category): Kill.
5930 (categorize_decl_for_section): Make global.
5931 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
5933 * i386.c (ix86_section_threshold): New static variable.
5934 (ix86_in_large_data_p, ix86_encode_section_info,
5935 x86_64_elf_unique_section,
5936 x86_64_elf_select_section): New functions.
5937 (TARGET_ENCODE_SECTION_INFO): Define
5938 (override_options): Enable medium model for PIC.
5939 (ix86_expand_prologue): Expand gen_set_got_rex64.
5940 (legitimate_constant_p): Handle new UNSPECs.
5941 (legitimate_pic_address_disp_p): Likewise.
5942 (legitimize_pic_address): Lower MEDIUM model addressing.
5943 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
5944 (enum cmodel): Add MEDIUM_PIC.
5945 (SYMBOL_REF_FAR_ADDR_P): New macro.
5946 (SYMBOL_FLAG_FAR_ADDR): New flag.
5947 * i386.md (movdi): Support medium model.
5948 (set_got_rex64): New pattern.
5949 * i386.opt (mlarge-data-threshold): New flag.
5950 * predicates.md (zext_operand/sext_operand): Deal with medium model.
5951 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
5952 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
5953 TARGET_ASM_UNIQUE_SECTION): New.
5955 * invoke.texi (-mlarge_data_threshold): Document
5957 2005-07-31 Jan Hubicka <jh@suse.cz>
5959 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
5960 (coalesce_vars): Likewise.
5961 * tree-ssa-live.c (coalesce_cost): New.
5962 (build_tree_conflict_graph): Use coalesce_cost.
5963 * tree-ssa-live.h (coalesce_cost): Declare.
5965 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
5967 * arm.md (all peepholes for post-increment operations): Delete.
5968 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
5969 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
5970 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
5971 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
5972 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
5974 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
5976 * fold-const.c (tree_expr_nonnegative_p): Always return true for
5979 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
5982 * doc/invoke.texi: Document -rdynamic.
5984 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
5987 * c-parser.c (c_parser_parms_list_declarator): Call
5988 mark_forward_parm_decls.
5989 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
5990 decls with visibility structure.
5992 2005-07-30 Paul Brook <paul@codesourcery.com>
5994 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
5996 2005-07-30 Paul Brook <paul@codesourcery.com>
5998 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
6000 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
6002 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
6004 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6007 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
6008 nested function declarators.
6009 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
6010 (grokparms): Call warn_if_shadowing for parameters used within the
6012 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
6013 not used within the parameter list.
6014 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
6016 2005-07-30 Jan Hubicka <jh@suse.cz>
6018 * expr.c (expand_expr_real_1): Do not load mem targets into register.
6019 * i386.c (ix86_fixup_binary_operands): Likewise.
6020 (ix86_expand_unary_operator): Likewise.
6021 (ix86_expand_fp_absneg_operator): Likewise.
6022 * optabs.c (expand_vec_cond_expr): Validate dest.
6024 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6027 * real.c (real_from_string): Also set last bit if there is a
6028 nonzero hex digit beyond GCC's internal precision after ".".
6030 2005-07-29 David Edelsohn <edelsohn@gnu.org>
6032 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
6033 define_constants. Change duplicate values to unassigned numbers.
6034 Change UNSPEC_SUBS to UNSPEC_VSUBS.
6035 (*altivec_vspltsf): New.
6036 (altivec_vperm_v4sf): Delete.
6037 (altivec_vperm_<mode>): Use mode macro V.
6038 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
6039 (altivec_predicate_v4sf): Delete.
6040 (altivec_predicate_<mode>): Use mode macro V.
6041 (*altivec_lvesfx): New.
6042 (*altivec_stvesfx): New.
6043 (vec_realign_load_v4sf): Delete.
6044 (vec_realign_load_<mode>): Use mode macro V.
6045 * config/rs6000/rs6000.c (generate_set_vrsave): Use
6048 2005-07-29 Mark Mitchell <mark@codesourcery.com>
6051 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
6053 * configure: Regenerated.
6055 2005-07-29 Paul Brook <paul@codesourcery.com>
6057 * doc/install.texi: Add link to GFortran binaries wiki page.
6059 2005-07-29 David Ung <davidu@mips.com>
6061 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
6062 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
6063 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
6064 * config/mips/mips.md (cpu): Add 5kf name.
6065 (includes): Includes 5k.md.
6066 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
6067 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
6070 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6073 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
6074 (cleanup_tree_cfg): ... here.
6075 Call cleanup_tree_cfg_1 until there are no more cleanups to
6078 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
6080 * tree-vrp.c (compare_range_with_value): Return true or false
6081 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
6082 EQ_EXPR respectively.
6084 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
6086 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
6089 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6091 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
6092 (tree_ssa_dominator_optimize): Increment it.
6093 (dump_dominator_optimization_stats): Print it.
6095 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
6096 Steven Bosscher <stevenb@suse.de>
6098 PR rtl-optimization/23117
6099 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
6100 when head == tail. Tidy comment.
6102 2005-07-28 Richard Henderson <rth@redhat.com>
6104 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
6105 * cselib.c (rtx_equal_for_cselib_p): Likewise.
6106 * jump.c (rtx_renumbered_equal_p): Likewise.
6107 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
6108 CONST_INT and CONST_DOUBLE.
6109 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
6110 * reload.c (operands_match_p): Special case CONST_INT and
6111 CONST_DOUBLE; check mode earlier.
6113 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6116 * c-typeck.c (convert_for_assignment): Do not check
6117 DECL_IN_SYSTEM_HEADER on NULL fundecl.
6119 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6122 * c-typeck.c (composite_type): Prefer constant size arrays to
6125 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6128 * real.c (real_from_string): Set last bit if there is a nonzero
6129 hex digit beyond GCC's internal precision.
6131 2005-07-28 Richard Henderson <rth@redhat.com>
6134 * cfgcleanup.c (try_forward_edges): Watch out for end of
6137 2005-07-28 James E Wilson <wilson@specifixinc.com>
6140 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
6142 2005-07-28 Jan Hubicka <jh@suse.cz>
6144 * Makefile.in (rtl-profile.o): Kill all traces of it.
6145 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
6146 * coverage.h (rtl_coverage_counter_ref): Kill.
6147 * opts.c (flag_speculative_prefetching_set): Kill.
6148 (flag_loop_optimize_set): New.
6149 (common_handle_option): Disable loop optimizer when profiling;
6150 do not handle speculative prefetching.
6151 * passes.c (init_optimization_passes): Replace pass_profiling combo
6152 by branch_prob pass.
6153 * profile.c (compute_value_histograms): Update for simplified value
6155 (rtl_register_profile_hooks): Kill.
6156 (pass_profiling): Kill.
6157 (rest_of_handle_branch_prob): Do not profile.
6158 * toplev.c (process_options): Remove speculative prefetching.
6159 * toplev.h (flag_tree_based_profiling): Kill.
6160 * tree-profile.c (prepare_instrumented_value,
6161 tree_gen_interval_profiler, tree_gen_pow2_profiler,
6162 tree_gen_one_value_profiler, do_tree_profiling): Update for
6163 simplified datastructures.
6164 * value-prof.c: Add comment that speculative prefetching was dropped;
6165 update rest of file for simplified datastructures.
6166 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
6167 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
6168 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
6169 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
6170 rtl_mod_subtract, gen_speculative_prefetch,
6171 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
6172 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
6173 (gate_handle_value_profile_transformations,
6174 rest_of_handle_value_profile_transformations,
6175 pass_value_profile_transformations): Kill.
6176 * value-prof.h (histogram_value_t): Remove IL based unions.
6177 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
6178 rtl_profile_hooks): Remove hooks.
6180 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
6182 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
6183 (cgraph_clone_node): Likewise.
6184 * cgraph.h (cgraph_clone_edge): Update prototype.
6185 (cgraph_clone_node): Likewise.
6186 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
6188 (lookup_recursive_calls): Consider profile.
6189 (cgraph_decide_recursive_inlining): Fix updating; use new
6190 probability argument; use profile.
6191 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
6192 * tree-inline.c (copy_bb): Update clal of clone_edge.
6193 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
6195 * invoke.texi (min-inline-recursive-probability): Document.
6197 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
6199 * doc/install.texi (Configuration): Update Valgrind homepage.
6201 2005-07-28 Richard Henderson <rth@redhat.com>
6204 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
6205 labels we want to delete.
6206 (cfg_layout_merge_blocks): Likewise.
6208 2005-07-28 Richard Henderson <rth@redhat.com>
6211 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
6212 when expanding to nothing.
6214 2005-07-28 Josh Conner <jconner@apple.com>
6216 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
6217 (cgraph_decide_inlining_of_small_functions): Likewise.
6219 2005-07-28 Josh Conner <jconner@apple.com>
6221 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
6222 direction of badness if negative.
6223 (cgraph_default_inline_p): Add reason to parameters, and assign it
6225 (cgraph_decide_inlining_of_small_functions): New parameter in call
6226 to cgraph_default_inline_p.
6227 (cgraph_decide_inlining_incrementally): Likewise.
6228 * cgraphunit.c (decide_is_function_needed): Likewise.
6229 * cgraph.h (cgraph_default_inline_p): Likewise.
6231 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6233 * builtins.c: Fix comment typo(s).
6234 * genautomata.c: Likewise.
6235 * gimplify.c: Likewise.
6236 * tree-dfa.c: Likewise.
6237 * tree-flow-inline.h: Likewise.
6238 * tree-into-ssa.c: Likewise.
6239 * tree-ssa-alias.c: Likewise.
6240 * tree-ssa-ccp.c: Likewise.
6241 * tree-ssa-copy.c: Likewise.
6242 * tree-ssa-dce.c: Likewise.
6243 * tree-ssa-dom.c: Likewise.
6244 * tree-ssa-operands.c: Likewise.
6245 * tree-tailcall.c: Likewise.
6246 * tree-vectorizer.c: Likewise.
6247 * tree-vrp.c: Likewise.
6250 2005-07-28 Jeff Law <law@redhat.com>
6252 * tree-vrp.c (test_for_singularity): Extracted from ...
6253 (simplify_cond_using_ranges): Attempt to simplify a relational
6254 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
6256 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
6258 PR tree-optimization/22506
6259 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
6260 phis whose argument is constant.
6262 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
6264 PR rtl-optimization/18992
6265 Back out this patch:
6266 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6267 PR optimization/12142
6268 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
6269 uses of the register in the SET_SRC. Remove unnecessary argument.
6271 Replace it with this:
6272 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
6273 if flag_non_call_exceptions is set and the insn may trap, pass
6274 pc_rtx as dest for recursion.
6275 In SET_SRC part of SET case, if dest is already set, pass it down
6278 2005-07-28 Jan Hubicka <jh@suse.cz>
6280 * cfg.c (update_bb_profile_for_threading): Use RDIV.
6281 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
6282 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
6284 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
6285 profile when available.
6287 2005-07-28 Jan Beulich <jbeulich@novell.com>
6289 * config/ia64/ia64.c (ia64_load_pair_ok): New.
6290 (ia64_print_operand): Describe and handle 'X'.
6291 (ia64_register_move_cost): Also handle FP_REGS.
6292 (ia64_preferred_reload_class): Likewise.
6293 (ia64_secondary_reload_class): Likewise.
6294 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
6295 it. Also check for ITANIUM_CLASS_FLDP.
6296 * config/ia64/ia64.h (FP_REGNO_P): New.
6297 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
6298 (reg_class): Add FP_REGS.
6299 (REG_CLASS_NAMES): Adjust for it.
6300 (REG_CLASS_CONTENTS): Likewise.
6301 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
6302 (REG_CLASS_FROM_LETTER): Handle 'x'.
6303 (CLASS_MAX_NREGS): Handle FP_REGS.
6304 (MEMORY_MOVE_COST): Likewise.
6305 * config/ia64/ia64.md (itanium_class): Add fldp.
6306 (type): Handle fldp.
6307 (movti_internal): More allowable operand combinations. Use ldfp8 when
6308 splitting unnecessary. Remove predicable attribute. Adjust
6309 itanium_class attribute.
6310 (smuldi3_highpart): Remove outdated comment.
6311 (mulditi3, umulditi3, rotlti3): New expanders.
6312 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
6313 (absti2): Disabled new insn for future reference.
6314 Respective new splitters.
6315 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
6316 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
6317 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
6319 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
6321 PR rtl-optimization/23047
6322 * simplify-rtx.c (simplify_const_relational_operation): Respect
6323 flag_wrapv for comparisons with ABS.
6325 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
6327 PR tree-optimization/22493
6328 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
6329 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
6331 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
6333 * config/frv/frv.opt (moptimize-membar): New.
6335 * doc/invoke.texi: Document -moptimize-membar and its inverse.
6337 * config/frv/frv.h: Remove machine_function definition.
6339 * config/frv/frv.c (struct frv_io): New.
6340 (struct machine_function): Moved from frv.h. Add has_membar_p.
6341 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
6342 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
6343 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
6344 (frv_optimize_membar_global, frv_optimize_membar): New functions.
6345 (frv_reorg): Call frv_optimize_membar when appropriate.
6346 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
6347 (frv_expand_builtin): Adjust calls accordingly.
6348 (frv_io_address_cookie): New function.
6349 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
6350 load or store rather than a special insn. Add ccnstant address and
6351 io-type operands to the membar.
6352 (frv_ifcvt_modify_tests): Unsign regno.
6353 (frv_ifcvt_modify_tests): Same.
6355 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
6356 UNSPEC_OPTIONAL_MEMBAR constant.
6357 (builtin_read_<mode>): Delete.
6358 (builtin_write_<mode>): Delete.
6359 ("optional_membar_<mode>"): Add operand.
6361 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
6362 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
6363 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
6364 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
6365 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
6366 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
6367 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
6368 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
6369 * testsuite/gcc.target/frv/all-read-write-1.c: New.
6371 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
6373 * df.c (df_uses_record): Handle SCRATCH.
6375 2005-07-28 Steven Bosscher <stevenb@suse.de>
6378 * passes.c (rest_of_decl_compilation): If decl is a type and
6379 we have encountered errors, don't emit debug information.
6381 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6383 * params.def: Fixed comment.
6385 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
6388 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
6389 (TARGET_ASM_UNALIGNED_HI_OP): Add.
6390 (TARGET_ASM_UNALIGNED_SI_OP): Add.
6392 2005-07-27 Steven Bosscher <stevenb@suse.de>
6395 * varasm.c (assemble_start_function): Don't do anything that may
6396 require a CFG if the current function is a thunk.
6398 2005-07-25 Geoffrey Keating <geoffk@apple.com>
6400 * doc/install.texi (Prerequisites): Mention that perl is needed
6401 to do export control in libstdc++ targetting Darwin.
6403 2005-07-27 Steven Bosscher <stevenb@suse.de>
6405 PR rtl-optimization/17808
6406 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
6407 (sched_insns_conditions_mutex_p): Split out from...
6408 (add_dependence): ...here. But don't call it from here.
6409 (add_dependence_list): Check sched_insns_conditions_mutex_p
6410 before calling add_dependence.
6411 (add_dependence_list_and_free): Likewise.
6412 (fixup_sched_groups): Likewise.
6413 (sched_analyze_1): Likewise.
6414 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
6415 (sched_analyze): Likewise.
6416 (sched_analyze_insn): Likewise.
6417 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
6418 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
6419 dependencies on all COND_EXEC insns to jumps ending basic blocks
6420 when doing intrablock scheduling.
6421 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
6423 2005-07-27 Jeff Law <law@redhat.com>
6425 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
6426 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
6427 equivalency sets, correctly handle the case were vr0 has an
6428 equivalency set, but vr1 does not.
6430 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
6432 PR tree-optimization/23073
6433 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
6434 vect_print_dump_info before fprintf.
6436 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6438 PR tree-optimize/22348
6439 * tree-ssa-loop-niter.c (number_of_iterations_cond):
6440 Fold the partial computation.
6442 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6444 PR tree-optimization/22325
6445 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
6447 * tree-scalar-evolution.c (scev_const_prop): Add generic final
6449 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
6450 (force_var_cost): ... this function.
6451 (compute_phi_arg_on_exit): Export.
6453 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6455 PR tree-optimization/20773
6456 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
6459 2005-07-27 Richard Guenther <rguenther@suse.de>
6461 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
6462 Avoid pushing again if current struct contains only
6463 fields we decomposed.
6465 2005-07-27 Jan Hubicka <jh@suse.cz>
6467 PR tree-optimization/22574
6468 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
6471 * tree-tailcall.c (decrease_profile): New function.
6472 (eliminate_tail_call): Use it.
6474 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
6475 visibility flags correctly in whole program mode.
6477 2005-07-26 Steve Ellcey <sje@cup.hp.com>
6479 PR rtl-optimization/22472
6480 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
6482 2005-07-26 Steven Bosscher <stevenb@suse.de>
6484 PR tree-optimization/22504
6485 * tree-complex.c (expand_complex_addition): Use 'code' instead
6486 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
6488 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
6490 * config.gcc (cpu_type): Add frv case.
6491 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
6492 (supported_defaults): Add fr550 case.
6494 2005-07-26 Diego Novillo <dnovillo@redhat.com>
6497 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
6498 whether a pointer of type T * may point to objects of type T *.
6500 2005-07-26 DJ Delorie <dj@redhat.com>
6502 * configure: Regenerate.
6504 2005-07-26 Dale Johannesen <dalej@apple.com>
6506 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
6508 2005-07-26 Mark Mitchell <mark@codesourcery.com>
6510 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
6511 Clarify use of "build" in name.
6513 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
6515 * doc/extend.texi (Raw read/write Functions): New section.
6516 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
6517 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
6518 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
6519 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
6520 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
6521 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
6522 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
6523 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
6524 * config/frv/frv.c: Add bdesc_loads global.
6525 Add bdesc_stores global.
6526 (frv_init_builtins): Add support for __builtin_{read/write}*.
6527 (frv_volatile_memref): New.
6528 (frv_expand_load_builtin): New.
6529 (frv_expand_store_builtin): New.
6530 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
6531 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
6532 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
6533 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
6534 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
6535 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
6536 (builtin_read_<mode>): New.
6537 (builtin_write_<mode>): New.
6538 (builtin_write64): New.
6539 (optional_membar_<mode>): New.
6541 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
6543 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
6544 (rather than units) against HOST_BITS_PER_WIDE_INT.
6546 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
6548 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
6549 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
6550 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
6551 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
6554 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
6555 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
6556 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
6558 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
6560 2005-07-26 Richard Guenther <rguenther@suse.de>
6562 PR tree-optimization/22486
6563 * fold-const.c (fold_unary): Fold away useless component
6564 references of the form (T *)&T.x, if the address
6567 2005-07-25 James E Wilson <wilson@specifixinc.com>
6569 * dwarf2out.c (add_call_src_coords_attributes): New.
6570 (gen_inlined_subroutine_die): Call it.
6571 (maybe_emit_file, init_file_table): Add comments.
6572 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
6574 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
6575 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
6576 * tree.h (BLOCK_SOURCE_LOCATION): New.
6577 (struct tree_block): New field locus.
6579 2005-07-26 Andreas Schwab <schwab@suse.de>
6581 PR rtl-optimization/23043
6582 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
6583 when allocating a struct unoccr.
6585 2005-07-25 Richard Henderson <rth@redhat.com>
6588 * tree-complex.c (gate_no_optimization): True if errors.
6589 * Makefile.in (tree-complex.o): Update dependencies.
6591 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
6593 * config/frv/predicates.md (integer_register_operand): Use
6596 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
6599 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
6601 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
6603 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
6605 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
6606 types when flag_unsafe_math_optimizations is true.
6608 2005-07-25 Mark Mitchell <mark@codesourcery.com>
6610 * gcc.c (option_map): Add --sysroot.
6611 (process_command): Handle --sysroot.
6612 (display_help): Document it.
6613 * doc/cppopts.tex (-isysroot): Document.
6614 * doc/invoke.texi (--sysroot): Document.
6615 * doc/install.texi (--with-build-sysroot): Document.
6617 * Makefile.in (inhibit_libc): New variable.
6618 (INHIBIT_LIBC_CFLAGS): Likewise.
6619 (LIBGCC2_CFLAGS): Include
6620 $(INHIBIT_LIBC_CFLAGS).
6621 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
6622 ($(T)crtbegin.o): Do not use @inhibit_libc@.
6623 ($(T)crtend.o): Likewise.
6624 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
6625 ($(T)crtendS.o): Likewise.
6626 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
6627 ($(T)crtendT.o): Likewise.
6628 (stmp-fixinc): Do not complain about missing headers if
6630 * configure.ac (inhibit_libc): Set it to true/false.
6631 (--with-build-sysroot): New option. Use it to set
6633 * configure: Regenerated.
6635 2005-07-25 Manfred Hollstein <mh@suse.com>
6637 * calls.c (store_one_arg): Fix unsigned comparison warning.
6639 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
6642 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
6643 (ggc_print_statistics): Initialize variable before use.
6645 2005-07-25 Richard Guenther <rguenther@suse.de>
6647 * tree-dfa.c (mark_new_vars_to_rename): Protect against
6648 calling with a PHI_NODE argument.
6650 * tree-flow-inline.h (overlap_subvar): Protect against
6653 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
6655 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
6656 * configure: Regenerate.
6658 2005-07-25 Ira Rosen <irar@il.ibm.com>
6660 * expr.c (highest_pow2_factor): Make extern.
6661 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
6662 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
6663 record_array_differ_p, array_ptr_differ_p): Likewise.
6664 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
6665 additional cases. Call the above functions.
6666 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
6667 base_object_differ_p when there are two base objects. Otherwise, compare
6668 base address and offset. Call may_alias_p.
6669 (dump_data_reference): Use a correct field name.
6670 (analyze_array): Make static. Initialize new data-ref fields.
6671 (analyze_indirect_ref): New function.
6672 (init_data_ref): Initialize new data-ref fields.
6673 (strip_conversion): Moved from tree-vect-analyze.c.
6674 (analyze_offset_expr, get_ptr_offset, address_analysis,
6675 object_analysis): Likewise.
6676 (analyze_offset): New function.
6677 (create_data_ref): Likewise.
6678 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
6679 dimensions for ARRAY_REFs only.
6680 (build_classic_dist_vector): Make static.
6681 (access_functions_are_affine_or_constant_p): Call macro to get the
6682 address of access functions.
6683 (compute_all_dependences): Add new parameter
6684 compute_self_and_read_read_dependences. Compute self and read-read
6685 dependences if it is true.
6686 (find_data_references_in_loop): Call create_data_ref. Initialize new
6688 (compute_data_dependences_for_loop): Add new parameter
6689 compute_self_and_read_read_dependences. Remove parameter nb_loops,
6690 compute nb_loops. Call compute_all_dependences,
6691 build_classic_dist_vector and build_classic_dir_vector with correct
6693 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
6694 with correct parameters. Compare dimensions for ARRAY_REFs only.
6695 (free_data_refs): Call macro to free access functions.
6696 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
6697 fields from stmt_vinfo.
6698 (struct base_object_info): New structure.
6699 (struct data_reference): Move fields to base_object_info. Add fields
6700 first_location and object_info for above structures. Move fields from
6701 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
6702 aligned_to. Add macros to access the new fields.
6703 Update functions declarations.
6704 * tree-flow.h (is_aliased_with): Declare.
6705 * tree-loop-linear.c (linear_transform_loops): Call
6706 compute_data_dependences_for_loop with correct parameters.
6707 * tree-ssa-alias.c (is_aliased_with): New function.
6708 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
6709 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
6710 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
6711 vect_base_addr_differ_p, compute_subscript_distance and
6712 build_classic_dist_vector. Add printings. Check absolute value of
6714 (vect_analyze_data_ref_dependences): Go through ddrs instead of
6716 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
6717 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
6718 to bytes. Add printing.
6719 (vect_compute_data_refs_alignment): Go through loads and stores in one
6721 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
6722 vect_analyze_data_ref_access): Likewise.
6723 (vect_analyze_pointer_ref_access): Remove.
6724 (vect_address_analysis, vect_object_analysis): Likewise.
6725 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
6726 and analyze data-refs in the loop.
6727 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
6728 fields of data-ref instead of stmt. Add init to the offset from the
6730 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
6731 (vect_update_init_of_dr): Likewise.
6732 (vect_update_inits_of_drs): Go through loads and stores in one loop.
6733 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
6735 (new_loop_vec_info): Initialize new fields.
6736 (destroy_loop_vec_info): Free new fields.
6737 (vect_strip_conversion): Remove.
6738 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
6739 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
6740 datarefs. Add new field ddrs.
6741 Add macros for the new fields access.
6742 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
6743 base_aligned_p, misalignment, memtag, ptr_info and subvars.
6744 Remove their macros.
6745 * tree.h (highest_pow2_factor): Declare.
6747 2005-07-25 Jakub Jelinek <jakub@redhat.com>
6749 * calls.c (store_one_arg): Check for sibling call MEM arguments
6750 from already clobbered incoming argument area.
6752 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6754 * c-common.c (check_missing_format_attribute): New.
6755 * c-common.h (check_missing_format_attribute): Likewise.
6756 * c-typeck.c (convert_for_assignment): Use it.
6758 2005-07-24 Andreas Schwab <schwab@suse.de>
6760 * config/m68k/m68k.md ("extendqidi2"): When source is an address
6761 register use a word move. Correct operand of ext.w in 68000 code.
6763 2005-07-23 Mark Mitchell <mark@codesourcery.com>
6765 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
6766 variables as declarations, rather than definitions.
6768 2005-07-24 Ira Rosen <irar@il.ibm.com>
6770 PR tree-optimization/22526
6771 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
6774 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6776 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
6777 that C99 reserve for future use. Use it to define clog10,
6778 clog10f and clog10l.
6780 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6782 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
6783 * configure.ac: Check for -Wmissing-format-attribute.
6785 * configure: Regenerate.
6787 2005-07-23 Richard Henderson <rth@redhat.com>
6789 PR tree-optimization/22623
6790 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
6792 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
6795 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
6797 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6799 * Makefile.in (C_TREE_H): Update dependencies.
6800 * c-tree.h: Include toplev.h.
6801 * diagnostic.h (diagnostic_set_info): Add format attribute.
6802 * rtl-error.c (diagnostic_for_asm): Likewise.
6804 2005-07-23 Chao-ying Fu <fu@mips.com>
6806 * config/mips/mips-dsp.md: New file.
6807 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
6808 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
6810 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
6811 MIPS_BUILTIN_BPOSGE32.
6812 (mips_expand_builtin_direct): Add one parameter to indicate that
6813 builtin functions need to return a value.
6814 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
6816 (mips_regno_to_class): Add classes for 12 new DSP registers.
6817 (mips_subword): Change to check four HI registers.
6818 (mips_output_move): Output move to and from 6 new DSP accumulators.
6819 (override_options): Make sure -mdsp and -mips16 are not used together.
6820 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
6822 (mips_conditional_register_usage): Disable 6 new DSP accumulators
6824 (print_operand): Add 'q' for printing DSP accumulators.
6825 (mips_cannot_change_mode_class): Check ACC_REGS.
6826 (mips_secondary_reload_class): Check ACC_REGS.
6827 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
6828 (mips_register_move_cost): Check ACC_REGS.
6829 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
6830 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
6831 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
6832 (dsp_bdesc): New array.
6833 (bdesc_arrays): Add DSP builtin function table.
6834 (mips_prepare_builtin_arg): Check predicate again after
6836 (mips_expand_builtin): Add one more parameter to
6837 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
6838 MIPS_BUILTIN_BPOSGE32.
6839 (mips_init_builtins): Initialize new function types.
6840 (mips_expand_builtin_direct): Check if builtin functions need to
6841 return a value and pass operands properly.
6842 (mips_expand_builtin_bposge): New function.
6843 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
6844 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
6845 (FIRST_PSEUDO_REGISTER): Increase to 188.
6846 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6847 Update for 12 new DSP registers.
6848 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
6849 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
6850 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
6851 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
6852 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
6853 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
6854 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
6855 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
6856 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
6857 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
6858 (REGISTER_NAMES): Add names for 12 new DSP registers.
6859 * config/mips/mips.md: Include mips-dsp.md.
6860 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
6861 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
6862 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
6863 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
6864 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
6865 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
6866 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
6867 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
6868 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
6869 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
6870 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
6871 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
6872 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
6873 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
6874 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
6875 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
6876 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
6877 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
6878 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
6879 (UNSPEC_RDDSP): New constants.
6880 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
6881 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
6883 * config/mips/mips.opt (-mdsp): New option.
6884 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
6885 (reg_imm10_operand): New predicates.
6886 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
6887 * doc/invoke.texi (-mdsp): Document new option.
6889 2005-07-22 DJ Delorie <dj@redhat.com>
6891 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
6893 * tree-inline.c (inlinable_function_p): Likewise.
6895 2005-07-22 Mark Mitchell <mark@codesourcery.com>
6898 * toplev.c (check_global_declarations): Do not mark undefined
6899 variables as DECL_IGNORED_P.
6900 * varasm.c (first_global_object_name): GTY it.
6901 (weak_global_object_name): Likewise.
6902 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
6903 a string to go into {weak,first}_global_object_name.
6905 2005-07-22 DJ Delorie <dj@redhat.com>
6907 * c-format.c (check_function_format): Change warning control
6908 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
6910 2005-07-22 Diego Novillo <dnovillo@redhat.com>
6912 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
6913 &PTR->FLD a dereference of PTR.
6914 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
6915 a potential dereference of PTR.
6917 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
6919 PR rtl-optimization/20370
6920 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
6921 call allocate_reg_info if necessary.
6923 PR rtl-optimization/21848
6924 * calls.c (emit_library_call_value_1): For const functions, add
6925 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
6927 PR rtl-optimization/22445
6928 * cselib.c (target.h): Include.
6929 (rtx_equal_for_cselib_p): Allow commutative matches.
6930 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
6931 Remove MODE parameter. Changed all callers.
6933 PR rtl-optimization/22258
6934 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
6936 (try_combine): Use likely_spilled_retval_p.
6938 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
6940 * config.gcc: Add crx-elf support.
6942 * doc/contrib.texi: Mention crx.
6943 * doc/extend.texi: Document crx extensions.
6944 * doc/install.texi: Document crx install.
6945 * doc/invoke.texi: Document crx options.
6946 * doc/md.texi: Document crx constraints.
6948 * config/crx/crx-protos.h: New file.
6949 * config/crx/crx.c: New file.
6950 * config/crx/crx.h: New file.
6951 * config/crx/crx.md: New file.
6952 * config/crx/crx.opt: New file.
6953 * config/crx/t-crx: New file.
6955 2005-07-22 Manfred Hollstein <mh@suse.com>
6957 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
6959 (int_add_graph_edge): Likewise.
6960 (collapse_nodes): Likewise.
6961 (process_unification_queue): Likewise.
6963 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6964 Laurent GUERBY <laurent@guerby.net>
6966 PR tree-optimization/22336
6967 * function.c (record_block_change): Check for
6968 cfun->ib_boundaries_block.
6970 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
6972 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
6973 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
6975 2005-07-21 DJ Delorie <dj@redhat.com>
6977 * toplev.c (warn_deprecated_use): Add warning control to warning
6979 * c-typeck.c (parser_build_binary_op): Likewise.
6980 (c_finish_if_stmt): Likewise.
6981 * c-common.c (check_function_sentinel): Likewise.
6982 (check_nonnull_arg): Likewise.
6984 2005-07-21 Richard Henderson <rth@redhat.com>
6987 * tree-complex.c (complex_ssa_name_components): New.
6988 (cvc_lookup): Allow entry not found.
6989 (create_components): Remove.
6990 (create_one_component_var, get_component_var): New.
6991 (get_component_ssa_name, set_component_ssa_name): New.
6992 (extract_component): Use get_component_ssa_name.
6993 (update_complex_components): Use set_component_ssa_name.
6994 (update_complex_components_on_edge): Likewise.
6995 (update_phi_components): Create new PHI nodes directly, instead
6996 of adding insns to edges.
6997 (tree_lower_complex): Allocate and free complex_variable_components
6998 and complex_ssa_name_components here.
7000 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
7002 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
7003 revert to returning false.
7005 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7008 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
7010 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7013 * config/i386/i386.md (cmpxf): Change operand constraints
7014 to "nonmemory_operand".
7016 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7018 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
7020 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7023 * fold-const.c (fold_build1): Add checksum for the operands.
7024 (fold_build2): Likewise.
7025 (fold_build3): Likewise.
7027 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7030 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
7032 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7034 * common.opt (-fforward-propagate): Committed by mistake,
7037 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7039 * reg-stack.c: Fix comment typo(s).
7040 * tree-ssa-operands.c: Likewise.
7041 * tree-vectorizer: Likewise.
7043 2005-07-21 Nick Clifton <nickc@redhat.com>
7045 * config/sh/symbian.c: Replace C++ style line comments with C
7046 style line comments.
7047 (symbian_add_attribute): Do not use a ? operator on the LHS of
7049 (sh_symbian_handle_dll_attribute): Change the type of the
7050 method vector to "VEC(tree,gc)*" and use vector accessor
7051 macros to walk over the elements.
7052 (symbian_export_vtable_and_rtti_p): Likewise.
7053 (symbian_class_needs_attribute_p): Likewise.
7055 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7058 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
7059 initialize targetm.resolve_overloaded_builtin here.
7060 (altivec_expand_overloaded_builtin): Make it non-static.
7061 * config/rs6000/rs6000-protos.h
7062 (altivec_expand_overloaded_builtin): New prototype.
7063 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
7064 targetm.resolve_overloaded_builtin here.
7065 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
7067 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7068 Zdenek Dvorak <dvorakz@suse.cz>
7070 PR tree-optimization/19210
7071 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
7073 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
7074 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
7075 rely on unproven assumptions.
7076 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
7077 * tree-flow.h (number_of_iterations_exit): Add final parameter.
7078 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
7079 to number_of_iterations_exit.
7080 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
7081 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
7082 * tree-ssa-loop-niter.c (find_loop_niter,
7083 estimate_numbers_of_iterations_loop): Likewise.
7084 (number_of_iterations_exit): Honor the new options.
7085 * doc/invoke.texi (Wunsafe-loop-optimizations,
7086 funsafe-loop-optimizations): Document them.
7088 2005-07-21 Richard Sandiford <richard@codesourcery.com>
7090 PR rtl-optimization/22167
7091 * gcse.c (hoist_code): Fix hoist_exprs[] check.
7093 2005-07-20 Adam Nemet <anemet@lnxw.com>
7095 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
7096 __do_global_dtors_aux longcall.
7098 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
7100 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
7101 (old_special_pred_table): Don't reference
7102 SPECIAL_MODE_PREDICATES.
7103 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
7104 * config/arc/arc.h: Don't mention PREDICATE_CODES.
7105 * config/sh/predicates.h: Don't mention
7106 SPECIAL_MODE_PREDICATES.
7107 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
7110 2005-07-20 DJ Delorie <dj@redhat.com>
7112 * config.gcc: Add m32c-elf support.
7114 * doc/contrib.texi: Mention m32c.
7115 * doc/extend.texi: Document m32c extensions.
7116 * doc/install.texi: Mention m32c.
7117 * doc/invoke.texi: Document m32c options.
7118 * doc/md.texi: Document m32c constraints.
7120 * config/m32c/addsub.md: New file.
7121 * config/m32c/bitops.md: New file.
7122 * config/m32c/cond.md: New file.
7123 * config/m32c/jump.md: New file.
7124 * config/m32c/m32c-lib1.S: New file.
7125 * config/m32c/m32c-lib2.c: New file.
7126 * config/m32c/m32c-modes.def: New file.
7127 * config/m32c/m32c-pragma.c: New file.
7128 * config/m32c/m32c-protos.h: New file.
7129 * config/m32c/m32c.abi: New file.
7130 * config/m32c/m32c.c: New file.
7131 * config/m32c/m32c.h: New file.
7132 * config/m32c/m32c.md: New file.
7133 * config/m32c/m32c.opt: New file.
7134 * config/m32c/minmax.md: New file.
7135 * config/m32c/mov.md: New file.
7136 * config/m32c/muldiv.md: New file.
7137 * config/m32c/predicates.md: New file.
7138 * config/m32c/prologue.md: New file.
7139 * config/m32c/shift.md: New file.
7140 * config/m32c/t-m32c: New file.
7142 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
7144 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7145 (stack_protect_set, stack_protect_test): New expanders.
7146 (stack_protect_set_si, stack_protect_set_si_media,
7147 stack_protect_set_di_media, stack_protect_test_si,
7148 stack_protect_test_si_media, stack_protect_test_di_media):
7151 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
7153 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
7155 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
7157 * tree.h (tree_expr_nonzero_p): Export.
7158 * fold-const.c (tree_expr_nonzero_p): Likewise.
7159 Return true for CALL_EXPRs that are alloca calls.
7160 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
7162 * tree-flow.h (expr_computes_nonzero): Remove.
7163 * tree-vrp.c (expr_computes_nonzero): Remove.
7164 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
7165 (extract_range_from_unary_expr): Likewise.
7166 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
7167 tree_expr_nonzero_p.
7169 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
7171 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
7172 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
7173 extra arg "picreg" and use it instead of pic_offset_table_rtx.
7174 All callers changed.
7175 (frame_related_constant_load): New arg "related" which controls
7176 setting of RTX_FRAME_RELATED_P. All callers changed.
7177 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
7178 (bfin_expand_prologue): Add stack limit checking.
7179 * config/bfin/bfin.md (trapifcc): New pattern.
7181 * config/bfin/bfin.c: Include "langhooks.h".
7182 (def_builtin): Go through lang_hooks to call builtin_function.
7184 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
7185 * config/bfin/predicates.md (symbol_ref_operand): New.
7186 (call_insn_operand): Delete. All callers changed to use
7187 register_no_elim_operand.
7188 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
7190 (function_arg): Use it to generate the call's operand 2.
7191 (bfin_longcall_p): New function.
7192 (bfin_expand_call): Extra arg "cookie". All callers and declaration
7193 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
7194 determine if the address needs to be in a REG.
7195 (bfin_handle_longcall_attribute): New function.
7196 (bfin_attribute_table): Add "longcall" and "shortcall".
7197 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
7198 (CUMULATIVE_ARGS): New member call_cookie.
7199 (PREDICATE_CODES): Add symbol_ref_operand.
7200 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
7201 extra USE to the pattern.
7202 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
7203 New patterns, split off call_insn, sibcall_insn, call_value_insn and
7204 sibcall_value_insn; now the new patterns handle direct calls and the
7205 old ones indirect calls.
7206 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
7208 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
7210 * doc/trouble.texi: Update section on handling of empty loops.
7212 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
7214 * config.gcc: Remove support for sparc-*-openbsd*,
7215 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
7217 * config.host: Remove support for i860-*-sysv4* as a host.
7218 * config/i860/*, config/ip2k/*, config/ns32k/*,
7219 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
7220 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
7221 mention obsolete ports.
7223 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
7225 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
7227 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
7228 of frame_pointer_rtx.
7229 (sh_expand_epilogue): Likewise.
7230 (sh_set_return_address): Likewise.
7231 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
7232 instead of FRAME_POINTER_REGNUM if needed. Add elimination
7233 offsets from FRAME_POINTER_REGNUM.
7234 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
7235 (sh_register_names): Add initializer for sfp.
7236 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
7237 (VALID_REGISTER_P): Likewise.
7238 (FIRST_PSEUDO_REGISTER): Update.
7239 (DWARF_FRAME_REGISTERS): Define.
7240 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
7241 (HARD_FRAME_POINTER_REGNUM): Define.
7242 (FRAME_POINTER_REGNUM): Redefine.
7243 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
7244 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
7245 from FRAME_POINTER_REGNUM.
7246 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
7247 FRAME_POINTER_REGNUM.
7248 (REG_CLASS_CONTENTS): Add sfp.
7249 (REG_ALLOC_ORDER): Likewise.
7250 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
7251 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
7252 of frame_pointer_rtx.
7253 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
7255 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
7257 * fold-const.c (tree_expr_nonnegative_p): Only return true for
7258 ABS_EXPR when flag_wrapv is false because of INT_MIN.
7259 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
7261 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
7264 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
7266 Make CONSTRUCTOR use VEC to store initializers.
7267 * c-common.c (complete_array_type): Update to cope with VEC in
7269 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
7270 (pp_c_constructor_elts): New function.
7271 * c-pretty-print.h (pp_c_constructor_elts): Declare.
7272 * c-typeck.c (build_function_call, build_c_cast, digest_init,
7273 struct constructor_stack, struct initializer_stack,
7274 constructor_elements, push_init_level, pop_init_level,
7275 add_pending_init, find_init_member, output_init_element): Update to
7276 cope with VEC in CONSTRUCTOR_ELTS.
7277 * coverage.c (build_fn_info_value, build_ctr_info_value,
7278 build_gcov_info): Likewise.
7279 * expr.c (categorize_ctor_elements_1, store_constructor,
7280 expand_expr_real_1): Likewise.
7281 * fold-const.c (fold_ternary): Likewise.
7282 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
7283 gimplify_init_constructor, gimplify_expr): Likewise.
7284 * tree-dump.c (dequeue_and_dump): Likewise.
7285 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
7287 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
7289 * tree-sra.c (generate_element_init_1): Likewise.
7290 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
7291 * tree-ssa-operands.c (get_expr_operands): Likewise.
7292 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
7293 * tree-vect-transform.c (vect_get_vec_def_for_operand):
7294 (get_initial_def_for_reduction): Likewise.
7295 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
7296 value handle in annotations.
7297 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
7298 tree_node_structure): Add support for constr_kind.
7299 (build_vector_from_ctor, build_constructor_single,
7300 build_constructor_from_list): New functions.
7301 (build_constructor): Update to take a VEC instead of a TREE_LIST.
7302 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
7303 Update to cope with VEC in CONSTRUCTOR_ELTS.
7304 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
7305 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
7306 CONSTRUCTOR_APPEND_ELT): New macros.
7307 (struct constructor_elt, struct tree_constructor): New data types.
7308 (union tree_node): Add tree_constructor field.
7309 * treestruct.def: Define TS_CONSTRUCTOR.
7310 * varasm.c (const_hash_1, compare_constant, copy_constant,
7311 compute_reloc_for_constant, output_addressed_constants,
7312 initializer_constant_valid_p, output_constant,
7313 array_size_for_constructor, output_constructor): Update to cope with
7314 VEC in CONSTRUCTOR_ELTS.
7315 * vec.h (VEC_empty, VEC_copy): New macros.
7317 2005-07-19 Devang Patel <dpatel@apple.com>
7319 * dbxout.c (dbxout_type): Check Objective-C++ lang.
7321 2005-07-19 Richard Henderson <rth@redhat.com>
7324 * gimplify.c (gimplify_expr): Use main variant type for the temp
7325 destination for a discarded volatile read.
7326 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
7327 casts between non-void types that change volatility.
7329 2005-07-15 DJ Delorie <dj@redhat.com>
7331 * toplev.h: Add comment about the first parameter for warning().
7332 * errors.h: Likewise.
7334 * c.opt (Wpragmas): New.
7335 * doc/invoke.texi: Document it.
7337 * function.c (do_warn_unused_parameter): Add warning control to
7339 * c-decl.c (warn_if_shadowing): Likewise.
7340 * c-lex.c (cb_def_pragma): Likewise.
7341 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
7342 (pop_alignment): Likewise.
7343 (handle_pragma_pack): Likewise.
7344 (apply_pragma_weak): Likewise.
7345 (handle_pragma_weak): Likewise.
7346 (handle_pragma_redefine_extname): Likewise.
7347 (add_to_renaming_pragma_list): Likewise.
7348 (handle_pragma_extern_prefix): Likewise.
7349 (maybe_apply_renaming_pragma): Likewise.
7350 (handle_pragma_visibility): Likewise.
7352 * config/c4x/c4x-c.c (BAD): Likewise.
7353 (c4x_parse_pragma): Likewise.
7354 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
7355 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
7356 (rs6000_pragma_longcall): Likewise.
7357 * config/v850/v850-c.c (pop_data_area): Likewise.
7358 (ghs_pragma_section): Likewise.
7359 (ghs_pragma_section): Likewise.
7360 (ghs_pragma_interrupt): Likewise.
7361 (ghs_pragma_starttda): Likewise.
7362 (ghs_pragma_startsda): Likewise.
7363 (ghs_pragma_startzda): Likewise.
7364 (ghs_pragma_endtda): Likewise.
7365 (ghs_pragma_endsda): Likewise.
7366 (ghs_pragma_endzda): Likewise.
7368 2005-07-19 Danny Berlin <dberlin@dberlin.org>
7369 Kenneth Zadeck <zadeck@naturalbridge.com>
7371 * Makefile.in: Removed tree-promote-statics.c
7372 * tree-promote-statics.c: Removed.
7373 * common.opt: Removed flag-promote-statics.
7375 * passes.c: Removed tree-promote-statics pass.
7376 * tree-pass.h: Ditto.
7377 * timevar.def: Removed TV_PROMOTE_STATICS.
7380 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
7382 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
7384 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
7386 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7389 * c-common.c (check_function_arguments): Call
7390 'check_function_format' if either -Wformat or
7391 -Wmissing-format-attribute are specified.
7392 * c-format.c (check_function_format): Check -Wformat before
7393 calling 'check_format_info'.
7394 * c-opts.c (c_common_post_options): Don't warn for
7395 -Wmissing-format-attribute without -Wformat.
7396 * c-typeck.c (convert_for_assignment): Detect additional cases for
7397 -Wmissing-format-attribute.
7398 * doc/invoke.texi (-Wmissing-format-attribute): Document new
7401 2005-07-19 Richard Guenther <rguenther@suse.de>
7403 * config/i386/i386.md (lrint<mode>2): Use temporary
7404 instead of clobbering non-existent memory.
7406 2005-07-19 Nick Clifton <nickc@redhat.com>
7408 * config/avr/avr.c (legitimate_address_p): Fix debugging print
7409 statement to avoid displaying ASCII control characters.
7411 2005-07-19 Ben Elliston <bje@au.ibm.com>
7413 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
7414 * cfganal.c (find_edge_index): Ditto.
7415 * combine.c (combine_instructions): Ditto.
7416 * ddg.c (create_scc): Ditto.
7417 (find_successors): Ditto.
7418 (find_predecessors): Ditto.
7419 (find_nodes_on_paths): Ditto.
7420 (longest_simple_path): Ditto.
7421 * flow.c (update_life_info): Ditto.
7422 (count_or_remove_death_notes): Ditto.
7423 (clear_log_links): Ditto.
7424 * modulo-sched.c (generate_reg_moves): Ditto.
7425 (find_max_asap): Ditto.
7426 (find_max_hv_min_mob): Ditto.
7427 (find_max_dv_min_mob): Ditto.
7428 * sbitmap.c (sbitmap_first_set_bit): Ditto.
7429 * sched-rgn.c (extract_edgelst): Ditto.
7430 * tree-into-ssa.c (prepare_names_to_update): Ditto.
7431 (dump_update_ssa): Ditto.
7432 (ssa_names_to_replace) Ditto.
7433 (switch_virtuals_to_full_rewrite): Ditto.
7434 (update_ssa): Ditto.
7435 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
7437 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
7439 Fix PR tree-optimization/22483
7441 * tree-complex.c (create_components): Use
7442 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
7443 * tree-flow-inline.h (fill_referenced_var_vec): New function.
7444 * tree-flow.h (safe_referenced_var_iterator): New structure.
7445 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
7446 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
7447 safe_referenced_var iterator.
7448 (add_type_alias): Ditto.
7450 2005-07-19 Steven Bosscher <stevenb@suse.de>
7452 * loop-init.c (rest_of_handle_loop2): Remove.
7453 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
7454 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
7455 (pass_rtl_loop_init, pass_rtl_loop_done,
7456 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
7457 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
7458 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
7459 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
7460 pass_tree_loop_done, and pass_tree_unswitch.
7461 (gate_loop): Rename to gate_tree_loop.
7462 * passes.c (init_optimization_passes): Update for renamed tree
7463 loop passes. Add the new loop2 passes as subpasses of loop2.
7464 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
7465 Update for the renamed tree loop passes.
7467 2005-07-18 Ian Lance Taylor <ian@airs.com>
7470 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
7471 blocks when optimizing.
7473 2005-07-18 Steve Ellcey <sje@cup.hp.com>
7475 * common.opt (frename-registers): Initialize to 2.
7477 (fgcse-after-reload): Ditto.
7478 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
7479 (process_options): Only change flag_web, flag_rename_registers,
7480 and flag_rerun_cse_after_loop if not explicitly set by user.
7482 2005-07-18 Jan Beulich <jbeulich@novell.com>
7484 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
7485 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
7486 in 64-bit mode the same as DImode in 32-bit mode.
7487 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
7488 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
7489 mode. Add new mode parameter.
7490 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
7491 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
7492 x86_64_shift_adj): New expanders.
7493 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
7494 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
7496 Respective new splitters. Use renamed shift splitter helpers in 32-bit
7497 DImode shift splitters.
7498 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
7499 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
7502 2005-07-18 Jan Beulich <jbeulich@novell.com>
7504 * i386.md (movdi_extzv_1): New.
7505 (zero_extendhidi2): Combine alternatives and never force use of
7507 (zero_extendqidi2): Likewise. Don't restrict input selection.
7509 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7511 Fix PR tree-optimization/22531
7512 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
7515 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7517 * tree-promote-statics.c (pass_promote_statics): Change dump file
7520 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7522 * tree-optimize.c (init_tree_optimization_passes): Add
7523 pass_eliminate_useless_stores pass.
7524 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
7525 * tree-ssa-pre.c (is_copy_stmt): New function.
7526 (follow_copies_till_vuse): Ditto.
7527 (do_eustores): Ditto.
7528 (gate_eustores): Ditto.
7530 2005-07-16 Richard Henderson <rth@redhat.com>
7532 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
7534 2005-07-16 Danny Berlin <dberlin@dberlin.org>
7535 Kenneth Zadeck <zadeck@naturalbridge.com>
7537 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
7538 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
7539 ipa-type-escape.h, tree-promote-statics.c
7540 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
7541 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
7542 tree-promote-statics.c: new files.
7543 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
7544 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
7545 int nonlocal_set_p, mark_constant_function): Deleted.
7546 (rest_of_handle_cfg): Removed call to mark_constant_function.
7547 (nonoverlapping_component_refs_p): Added calls to support
7548 type based aliasing.
7549 * tree-ssa-alias.c (may_alias_p,
7550 compute_flow_insensitive_aliasing): Ditto.
7551 * calls.c (flags_from_decl_or_type): Removed reference to
7553 * c-typeck.c (convert_arguments): Make builtins tolerant of having
7554 too many arguments. This is necessary for Spec 2000.
7555 * cgraph.h (const_function, pure_function): Removed.
7556 * common.opt: Added "fipa-pure-const", "fipa-reference",
7557 "fipa-type-escape", and "ftree-promote-static".
7559 * passes.c: Added ipa and tree-promote-statics passes.
7560 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
7561 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
7562 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
7563 * tree-flow.h: Added exposed sra calls and addition of
7564 reference_vars_info field for FUNCTION_DECLS.
7565 * tree-pass.h: Added passes.
7566 * tree-sra.c: (sra_init_cache): New function.
7567 (sra_insert_before, sra_insert_after) Made public.
7568 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
7570 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
7571 aliasing. (may_alias_p): Added code to use type escape analysis to
7573 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
7574 code to prune clobbers of static variables based on information
7575 produced in ipa-reference pass. Changed call clobbering so that
7576 statics are not marked as clobbered if the call does not clobber
7579 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
7581 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
7584 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7586 * doc/install.texi (*-*-solaris2*): Document recommended version
7587 of GNU binutils and mention GNU linker problem on Solaris 10.
7589 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
7592 * c-decl.c (c_build_bitfield_integer_type): New function.
7593 (finish_struct): Call it.
7594 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
7596 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7598 * c-typeck.c (digest_init): Call 'convert_for_assignment'
7601 2005-07-16 Jan Hubicka <jh@suse.cz>
7603 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
7604 (scale_bbs_frequencies_int): Watch roundoff errors.
7605 * predict.c (return_prediction): Initialize return_stmt.
7607 2005-07-16 Jan Hubicka <jh@suse.cz>
7609 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
7610 after RTL profiling.
7612 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
7615 * fold-const.c (build_range_check): Convert high/low to etype
7616 if we are only comparing against exp.
7618 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
7620 Fix PR tree-optimization/22376
7621 * tree-ssa-structalias.c (build_constraint_graph): We really meant
7623 (need_to_solve): New function.
7624 (compute_points_to_sets): Use it.
7626 2005-07-15 Jan Hubicka <jh@suse.cz>
7628 * cfg.c (update_bb_profile_for_threading): More diagnostic.
7629 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
7631 2005-07-15 Richard Guenther <rguenther@suse.de>
7633 * c-common.c (handle_flatten_attribute): New function.
7634 Add flatten function attribute.
7635 * doc/extend.texi: Document flatten function attribute.
7636 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
7637 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
7639 (cgraph_decide_inlining): Handle functions with flatten
7642 2005-07-14 David Edelsohn <edelsohn@gnu.org>
7644 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
7645 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
7646 UNSPEC_XCHG, UNSPEC_AND): New.
7647 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
7648 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
7649 * config/rs6000/sync.md (FETCHOP): New code macro.
7650 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
7652 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
7653 (sync_compare_and_swap<mode>): Same.
7654 (sync_lock_test_and_set<mode>): Same.
7655 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
7656 for QImode and HImode, and not PPC405.
7657 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
7658 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
7659 (sync_<fetchop>{si,di}_internal): New.
7660 (sync_nand{si,di}_internal): New.
7661 (sync_old_<fetchop>{si,di}_internal): New.
7662 (sync_old_nand{si,di}_internal): New
7663 (sync_new_<fetchop>{si,di}_internal): New.
7664 (sync_new_nand{si,di}_internal): New.
7665 (atomic_and{si,di}): New.
7666 (sync_new_nand{si,di}_internal): New.
7667 (atomic_and{si,di}): New.
7668 (sync_add<mode>_internal): Delete.
7669 (sync_addshort_internal): Use unspec instead of unspec_volatile.
7670 (sync_sub<mode>_internal): Delte.
7671 (sync_subshort_internal): New.
7672 (sync_andsi_internal): Use unspec instead of unspec_volatile.
7673 (sync_anddi_internal): Delete.
7674 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
7675 (sync_booldi_internal): Delete.
7676 (sync_boolc<mode>_internal): Delete.
7677 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
7678 (sync_boolc<mode>_internal2): Delete.
7679 (sync_boolcc<mode>_internal): Delete.
7680 (isync, lwsync): Use unspec instead of unspec_volatile.
7681 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
7682 Revert UNSPEC_VOLATILE.
7683 (rs6000_split_atomic_op): New.
7684 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
7686 2005-07-14 Eric Christopher <echristo@redhat.com>
7688 * config/mips/mips.c (mips_canonicalize_comparison): Cast
7689 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
7691 2005-07-14 Eric Christopher <echristo@redhat.com>
7693 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
7695 2005-07-14 Steven Bosscher <stevenb@suse.de>
7697 PR tree-optimization/22230
7698 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
7699 the computation of the four cross productions for "range op range".
7701 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
7702 Ulrich Weigand <uweigand@de.ibm.com>
7705 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
7708 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7710 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
7712 2005-07-14 Steve Ellcey <sje@cup.hp.com>
7714 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
7716 2005-07-14 Richard Guenther <rguenther@suse.de>
7719 * config/i386/i386-protos.h (ix86_function_value): Change
7720 prototype to match new target hook.
7721 * config/i386/i386.c (ix86_value_regno): Change prototype
7722 to take extra type argument.
7723 (TARGET_FUNCTION_VALUE): Define.
7724 (ix86_function_ok_for_sibcall): Pass extra argument to
7725 ix86_value_regno, check return slot rtx for exact match.
7726 (ix86_function_value): Take extra parameter. Dispatch to
7727 ix86_value_regno with fndecl/fntype as provided.
7728 (ix86_value_regno): Handle extra type argument.
7729 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
7731 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
7732 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
7733 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
7734 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
7735 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
7737 2005-07-14 Richard Guenther <rguenther@suse.de>
7739 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
7740 * calls.c (expand_call): Pass fntype to hard_function_value.
7741 (emit_library_call_value_1): Likewise.
7742 * explow.c: Include target.h.
7743 (hard_function_value): Take extra argument, the fntype.
7744 Use new target hook for function_value.
7745 * expr.h (hard_function_value): Change prototype.
7746 * function.c (aggregate_value_p): Pass 0 as fntype to
7747 hard_function_value.
7748 (assign_parms): Use new target hook for function_value.
7749 Pass 0 as fntype to hard_function_value.
7750 (expand_function_end): Likewise.
7751 * reg-stack.c: Include target.h.
7752 (stack_result): Use new target hook for function_value.
7753 * target-def.h: New target hook function_value.
7754 * target.h: Likewise.
7755 * targhooks.c (default_function_value): New function.
7756 * targhooks.h (default_function_value): Declare.
7758 2005-07-13 Ian Lance Taylor <ian@airs.com>
7760 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7762 2005-07-14 Jan Hubicka <jh@suse.cz>
7764 * tree-dfa.c (dump_variable): Use default_def function.
7765 * tree-ssa-alias.c (dump_points_to_info): Likewise.
7766 * tree-ssa.c (verify_use): Likewise.
7767 * tree-ssanames.c (release_ssa_name): Likewise.
7768 * tree-tailcall.c (eliminate_tail_call): Likewise.
7769 (tree_optimize_tail_calls_1): Likewise.
7770 * tree-vrp.c (get_value_range): Likewise.
7772 2005-07-14 Ben Elliston <bje@au.ibm.com>
7774 * gcc.c (main): Compare language[0] with '*' when iterating over
7777 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7779 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
7780 "s390_emit_compare". Add handling of CCZ1mode.
7781 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
7782 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
7784 (s390_branch_condition_mask): Add CCZ1mode handling.
7785 * config/s390/s390.md: ("seq", "*seq"): New pattern.
7786 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
7787 Use CCZ1mode instead of CCZmode.
7788 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
7790 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7792 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
7794 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
7796 2005-07-13 Eric Christopher <echristo@redhat.com>
7798 * config/mips/mips.c (mips_canonicalize_comparison): New.
7799 (mips_emit_int_relational): Use.
7801 2005-07-13 Eric Christopher <echristo@redhat.com>
7803 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7805 * config/s390/s390.md: Include tpf.md. Move tpf specific
7807 * config/s390/tpf.md: To here.
7808 * config/s390/s390.opt: Move tpf specific options...
7809 * config/s390/tpf.opt: to here. Add mmain option.
7810 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7811 * config/s390/tpf.h: Rewrite.
7813 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7815 * doc/tm.texi: Remove @xref{Cross-profiling}.
7817 2005-07-13 Jeff Law <law@redhat.com>
7819 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
7820 expressions, test their _DECL operands for pointer equality rather
7821 than using operand_equal_p.
7823 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7825 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
7826 (TARGET_POSIX_IO): This.
7827 * config/darwin.h: Likewise.
7828 * config/freebsd.h: Likewise.
7829 * config/linux.h: Likewise.
7830 * config/lynx.h: Likewise.
7831 * config/netbsd.h: Likewise.
7832 * config/rs6000/linux64.h: Likewise.
7833 * config/rs6000/linux.h: Likewise.
7834 * config/s390/tpf.h: Likewise.
7835 * config/sh/embed-elf.h: Likewise.
7836 * config/sparc/linux64.h: Likewise.
7837 * config/sparc/linux.h: Likewise.
7838 * config/svr4.h: Likewise.
7839 * gcov-io.h: Likewise.
7841 * doc/tm.texi: Updated.
7843 * libgcov.c (create_file_directory): Defined only if
7844 TARGET_POSIX_IO is defined.
7845 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
7848 2005-07-13 Jan Hubicka <jh@suse.cz>
7850 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
7852 2005-07-13 David Edelsohn <edelsohn@gnu.org>
7854 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
7855 structure as argument.
7857 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
7859 PR tree-optimization/21921
7860 * tree-iterator.c (tsi_link_before): Support the case when
7861 tsi_end_p (tsi) == true.
7863 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7865 PR tree-optimization/22442
7866 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
7869 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7871 PR rtl-optimization/20376
7872 * toplev.c (process_options): Enable -fweb and -frename-registers when
7874 * doc/invoke.texi: Update the information about when -fweb and
7875 -frename-registers are enabled.
7877 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7880 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
7881 if *rhs_p is not a SSA_NAME.
7883 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
7885 Fix PR tree-optimization/22422
7886 * tree-ssa-structalias.c (struct variable_info): Add flag for
7888 (get_varinfo): Now a static function.
7889 (new_varinfo): init has_union and is_special_var to false.
7890 (solution_set_add): Check has_union.
7891 (do_da_constraint): Move temporary variable so it gets reset
7893 Also check for special variable.
7894 (do_ds_constraint): Ditto.
7895 (do_sd_constraint): Ditto.
7896 (do_structure_copy): Check for special variable.
7897 (find_func_aliases): Ditto.
7898 (init_base_vars): Set special vars properly.
7900 2005-07-13 Jan Hubicka <jh@suse.cz>
7902 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
7905 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
7906 (get_expr_operands): Fix thinko wrt flags and subvars.
7908 PR tree-optimize/22379
7909 * tree-inline.c (expand_call_inline): Do not output sorry in early
7912 2005-07-12 Dale Johannesen <dalej@apple.com>
7914 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
7916 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7919 * host-linux.h: Include limits.h.
7921 2005-07-12 Dale Johannesen <dalej@apple.com>
7923 * expr.c (compress_float_constant): Add cost check.
7924 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
7926 2005-07-12 Dale Johannesen <dalej@apple.com>
7928 * gcc.target/i386/compress-float-sse.c: New.
7929 * gcc.target/i386/compress-float-sse-pic.c: New.
7930 * gcc.target/i386/compress-float-387.c: New.
7931 * gcc.target/i386/compress-float-387-pic.c: New.
7932 * gcc.dg/compress-float-ppc.c: New.
7933 * gcc.dg/compress-float-ppc-pic.c: New.
7935 2005-07-12 Eric Christopher <echristo@redhat.com>
7937 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7939 * config/s390/s390.md: Include tpf.md. Move tpf specific
7941 * config/s390/tpf.md: To here.
7942 * config/s390/s390.opt: Move tpf specific options...
7943 * config/s390/tpf.opt: to here. Add mmain option.
7944 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7945 * config/s390/tpf.h: Rewrite.
7947 2005-07-12 Eric Christopher <echristo@redhat.com>
7949 * gcc.c (struct infile): Update comment for language.
7950 (main): Rewrite input file resetting code.
7952 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7955 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
7956 requiring a cast in a non RHS of modify_expr. Add a cast when required.
7957 (lookup_avail_expr): Use constant_boolean_node instead
7958 of boolean_false_node/boolean_true_node.
7960 2005-07-12 Ben Elliston <bje@au.ibm.com>
7962 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
7963 and use it when printing num_edges.
7965 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
7967 * doc/extend.texi (Blackfin Built-in Functions): New section.
7968 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
7971 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
7973 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
7974 s/cmpstrsi/cmpstrnsi
7975 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
7977 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
7978 (init_optabs): Initialize cmpstrn_optab.
7979 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
7980 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
7981 * expr.c: (enum insn_code cmpstrn_optab): Declare.
7982 * config/i386/i386.md: s/cmpstr/cmpstrn
7983 * config/c4x/c4x.md: s/cmpstr/cmpstrn
7984 * doc/md.texi: Update documentation.
7986 2005-07-11 Richard Henderson <rth@redhat.com>
7988 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
7989 build_va_arg_indirect_ref.
7990 (alpha_gimplify_va_arg): Likewise.
7991 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7992 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7993 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
7994 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7995 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7996 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
7998 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8000 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8002 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
8003 * passes.c (init_optimization_passes): Add pass_empty_loop.
8004 * tree-pass.h (pass_empty_loop): Declare.
8005 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
8006 try_remove_empty_loop, remove_empty_loops): New functions.
8007 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
8008 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
8010 2005-07-12 Peter Barada <peter@the-baradas.com>
8014 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
8015 in address registers.
8016 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
8017 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
8018 alternative of addsi3_5200.
8020 2005-07-11 Ian Lance Taylor <ian@airs.com>
8022 * config/mips/mips.md (ffs<mode>2): Remove.
8024 2005-07-11 Ian Lance Taylor <ian@airs.com>
8026 * doc/tree-ssa.texi (Cleanups): Improve description of
8028 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
8030 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8032 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
8033 * tree.h (DECL_ARGUMENT_FLD): New macro.
8035 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8037 Fix PR tree-optimization/22404
8039 * tree-ssa-structalias.c (create_variable_info_for): Use
8042 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
8044 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
8045 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
8046 for second comparison operand.
8047 * config/bfin/predicates.md (reg_or_const_int_operand): New.
8049 * config/bfin/bfin.md (define_attr "type"): Add "sync".
8050 (define_insn_reservation "alu"): Likewise.
8051 (csync, ssync): Now of type sync.
8052 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
8053 -mcsync-anomaly -mspecld-anomaly.
8054 * config/bfin/bfin.opt (mcsync): Remove.
8055 (mcsync-anomaly, mspecld-anomaly): Add.
8056 * config/bfin/bfin.c: Include "insn-codes.h".
8057 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
8058 (TARGET_DEFAULT_TARGET_FLAGS): New.
8059 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
8061 2005-07-11 Steven Bosscher <stevenb@suse.de>
8063 * basic-block.h: Give the BB flags enum a name, bb_flags.
8064 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
8065 * cfgcleanup.c (enum bb_flags): Remove here.
8066 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
8067 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
8068 (update_forwarder_flag): Likewise.
8069 (thread_jump): Likewise.
8070 (try_forward_edges): Likewise.
8071 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
8072 forwarder flags. Don't clear bb->aux for all basic blocks. Only
8073 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
8075 2005-07-11 Richard Guenther <rguenther@suse.de>
8077 * config/i386/i386.opt: New target option -msseregparm.
8078 * config/i386/i386.c (override_options): Error out for
8079 -msseregparm but no SSE support.
8080 (ix86_function_sseregparm): Check for global sseregparm.
8081 * doc/invoke.texi: Document -msseregparm.
8083 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8085 * config.gcc (m32r-*-linux*): Use the default extra_parts.
8086 (m32rle-*-linux*): Ditto.
8088 2005-07-11 Jakub Jelinek <jakub@redhat.com>
8090 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
8091 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
8094 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8098 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
8099 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
8101 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
8103 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
8104 (varmap): Heapify varmap.
8105 (constraints): Heapify constraints.
8106 (struct constraint_graph): Heapify succs and preds.
8107 (constraint_vec_find): Update for heapification.
8108 (constraint_set_union): Ditto.
8109 (insert_into_complex): Ditto.
8110 (constraint_edge_vec_find): Ditto.
8111 (erase_graph_self_edge): Ditto.
8112 (add_graph_edge): Ditto.
8113 (get_graph_weights): Ditto.
8114 (merge_graph_nodes): Ditto.
8115 (build_constraint_graph): Ditto.
8116 (topo_visit): Ditto.
8117 (solve_graph): Ditto.
8118 (create_variable_info_for): Ditto.
8119 (init_base_vars): Ditto.
8120 (delete_points_to_sets): Free graph, varmap, and complex constraints.
8121 (condese_varmap_nodes): Free complex vector.
8122 (clear_edges_for_node): Clear succs and preds vector.
8124 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
8126 * tree-ssa-structalias.c (update_alias_info): Change counting of
8127 references to not include vdefs.
8129 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
8131 * tree-ssa-alias.c (free_used_part_map): Add missing free.
8134 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8136 * pa.c (pa_commutative_p): Make PLUS commutative when
8137 TARGET_NO_SPACE_REGS is true.
8139 2005-07-09 Diego Novillo <dnovillo@redhat.com>
8141 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
8142 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
8143 * tree-dfa.c (dump_subvars_for): New.
8144 (debug_subvars_for): New.
8145 (dump_variable): Show subvariables if VAR has them.
8146 * tree-flow-inline.h (get_subvar_at): New.
8147 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
8148 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
8150 (struct subvar): Change fields offset and size to unsigned
8152 (dump_subvars_for): Declare.
8153 (debug_subvars_for): Declare.
8154 (get_subvar_at): Declare.
8155 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
8156 to unsigned HOST_WIDE_INT *.
8157 (overlap_subvar): Likewise.
8158 * tree-gimple.c (is_gimple_reg): Always return false for
8159 SFTs and memory tags.
8160 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
8162 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
8163 (compute_may_aliases): Call compute_points_to_sets.
8164 (collect_points_to_info_for): Remove.
8165 (compute_points_to_and_addr_escape): Remove.
8166 (delete_alias_info): Call delete_points_to_sets.
8167 (compute_flow_sensitive_aliasing): If the call to
8168 find_what_p_points_to returns false, call set_pt_anything.
8169 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
8170 (set_pt_anything): Clear pi->pt_vars.
8171 (set_pt_malloc): Remove.
8172 (merge_pointed_to_info): Remove.
8173 (add_pointed_to_expr): Remove.
8174 (add_pointed_to_var): Remove.
8175 (collect_points_to_info_r): Remove.
8176 (is_escape_site): Make extern.
8178 (create_overlap_variables_for): Call it.
8179 * tree-ssa-copy.c (merge_alias_info): Never merge
8180 flow-sensitive alias information.
8181 * tree-ssa-operands.c (get_expr_operands): Adjust variables
8182 offset and size to be unsigned HOST_WIDE_INT.
8183 (add_to_addressable_set): Rename from note_addressable.
8184 Set TREE_ADDRESSABLE as the variables are added to the set.
8186 (add_stmt_operand): Do not try to micro-optimize unmodifiable
8187 operands into VUSEs when adding V_MAY_DEFs for members in an
8189 * tree-ssa-operands.h (add_to_addressable_set): Declare.
8190 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
8191 (struct variable_info): Add bitfield is_heap_var.
8192 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
8193 (new_var_info): Initialize is_heap_var.
8194 (get_constraint_for): Add HEAP variables to the symbol table.
8195 Mark them with is_heap_var.
8196 (update_alias_info): New. Taken mostly from the old
8197 compute_points_to_and_addr_escape.
8198 (handle_ptr_arith): New.
8199 (find_func_aliases): Call update_alias_info.
8200 Call handle_ptr_info for tcc_binary expressions.
8201 Call mark_stmt_modified.
8202 (create_variable_info_for): If DECL has subvars, do not create
8203 variables for its subvars. Always add all the fields.
8204 (set_uids_in_ptset): If the solution includes ANYOFFSET and
8205 SFTs, then add all the SFTs of the structure.
8206 If VI->DECL is an aggregate with subvariables, add the SFT at
8208 (find_what_p_points_to): If VI is an artificial variable,
8209 translate to bitfields in SSA_NAME_PTR_INFO.
8210 If the solution is empty, set pi->pt_vars to NULL
8211 (init_base_vars): Create ANYOFFSET.
8212 (compute_points_to_sets): Rename from create_alias_vars.
8214 (pass_build_pta): Remove.
8215 (delete_points_to_sets): Rename from delete_alias_vars.
8216 (pass_del_pta): Remove.
8217 * tree-ssa-structalias.h (struct alias_info): Move from
8219 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
8220 NUM_REFERENCES_SET): Likewise.
8221 (compute_points_to_sets, delete_points_to_sets): Declare.
8223 2005-07-09 Richard Henderson <rth@redhat.com>
8225 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
8226 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
8227 alpha_split_lock_test_and_set_12): New functions.
8228 * config/alpha/alpha-protos.h: Update.
8229 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
8230 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
8231 * config/alpha/sync.md (I12MODE): New.
8232 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
8233 (sync_<fetchop_name><I48MODE>): Likewise.
8234 (sync_nand<I48MODE>): Likewise.
8235 (sync_old_<fetchop_name><I48MODE>): Likewise.
8236 (sync_new_<fetchop_name><I48MODE>): Likewise.
8237 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
8238 (sync_compare_and_swap<I48MODE>): Likewise.
8239 (sync_lock_test_and_set<I48MODE>): Likewise.
8240 (sync_compare_and_swap<I12MODE>): New.
8241 (sync_compare_and_swap<I12MODE>_1): New.
8242 (sync_lock_test_and_set<I12MODE>): New.
8243 (sync_lock_test_and_set<I12MODE>_1): New.
8245 2005-07-09 Diego Novillo <dnovillo@redhat.com>
8249 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
8251 2005-07-09 Jakub Jelinek <jakub@redhat.com>
8253 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
8254 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
8256 2005-07-09 Richard SAndiford <richard@codesourcery.com>
8259 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8261 2005-07-08 David Edelsohn <edelsohn@gnu.org>
8263 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
8264 memory_operand constraint.
8265 (store_conditional_<mode>): Same.
8266 (sync_compare_and_swap<mode>): Same.
8267 (sync_lock_test_and_set<mode>): Same.
8269 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
8271 Rewrite PIC support to more closely model actual instructions.
8272 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
8273 (cris_symbol): Remove prototypes for removed functions.
8274 (cris_pic_symbol_type_of, cris_valid_pic_const)
8275 (cris_expand_pic_call_address): Prototypes for new functions.
8276 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
8278 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
8280 <case ':'>: Add case for new punctuation character.
8281 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
8282 emitting (extra) PIC modifier.
8283 <case UNSPEC>: Do not assert for PLT.
8284 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
8285 (cris_expand_prologue, cris_expand_epilogue): Check
8286 for pic_offset_table_rtx usage instead of taking
8287 current_function_uses_pic_offset_table as the final word.
8288 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
8289 Remove flag_pic difference.
8290 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
8291 the moral equivalents of...
8292 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
8294 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
8295 (cris_handle_option): Mark ARG as unused.
8296 (cris_expand_pic_call_address): New worker function for "call",
8298 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
8299 output PIC constructs here.
8300 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
8301 as symbol-specific modifers, not whole or part of operands.
8302 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
8303 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
8304 constants and flag_pic.
8305 (CONSTANT_INDEX_P): Adjust for new functions.
8306 (enum cris_pic_symbol_type): New helper type.
8307 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
8308 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
8309 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
8311 ("movsi"): Emit actual instructions for GOT and relative access.
8312 ("*movsi_got_load"): New pattern to set up the register holding
8314 ("*movsi_internal"): Operand 1 is not a plain general_operand.
8315 Adjust FIXME for 'S'.
8316 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
8317 Use "movs" for -fpic cases.
8318 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
8319 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
8320 ("call", "call_value"): Just call cris_expand_pic_call_address for
8322 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
8323 Remove special pattern.
8324 ("*expanded_call_side", "*expanded_call_value_side"): New
8326 (gotplt-to-plt, gotplt-to-plt-side-call)
8327 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
8329 * config/cris/cris/predicates.md
8330 ("cris_general_operand_or_gotless_symbol"): Remove unused
8332 ("cris_general_operand_or_symbol"): Adjust for new functions.
8334 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8336 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
8338 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
8340 * Makefile.in (TREE_H): Add treestruct.def.
8341 (c-decl.o): Add pointer-set.h
8342 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
8343 visibility on regular DECL's.
8344 (merge_decls): Fix the copying of decl nodes of various types for
8345 the new structures. Don't update RTL, section name, weak status,
8346 etc, on DECL's without RTL.
8347 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
8348 Don't check volatile on non-variable types.
8349 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
8350 to check whether we have seen arguments.
8351 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
8352 flag is checked before field (flag is common, field is not).
8353 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
8354 TS_DECL_COMMON could have an origin.
8355 (add_location_or_const_value_attribute): Don't check section name
8356 on non-var/function decls.
8357 (dwarf2out_var_location): Reverse order of tests.
8358 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
8359 with DECL_WRTL_CHECK.
8360 * expmed.c (make_tree): rtl is now in decl_with_rtl.
8361 * fold-const.c (fold_binary): Don't check weakness on
8362 non-var/function decls.
8363 (tree_expr_nonzero_p): Ditto.
8364 (fold_checksum_tree): Use tree_decl_extra as sizeof
8366 * ggc-page.c (extra_order_size_table): Add sizes for
8367 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
8369 * gimplify.c (gimplify_bind_expr): Only set
8370 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
8371 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
8373 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
8374 * langhooks.h (init_ts). New langhook.
8375 * passes.c (rest_of_decl_compilation): Reverse order of tests.
8376 * print-tree.c (print_node): Update to only print fields that
8377 exist in the structures the passed decl has.
8378 * toplev.c (wrapup_global_declarations): Don't reset
8379 DECL_DEFER_OUTPUT on DECL's that don't contain it.
8380 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
8381 * tree-inline.c (remap_decl): Ditto.
8382 * tree-outof-ssa.c (create_temp): Reverse order of tests.
8383 * tree-pretty-print.c (print_declaration): Don't print
8384 DECL_REGISTER on things that don't contain it.
8385 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
8386 non-var/function decls.
8387 * tree.c (tree_contains_struct): New structure.
8388 (init_priority_for_decl): New hashtable.
8389 (tree_int_map): New structure.
8390 (tree_int_map_eq): New function.
8391 (tree_int_map_marked_p): Ditto.
8392 (tree_int_map_hash): Ditto.
8393 (tree_map): Move to tree.h.
8394 (tree_map_eq): Externalize.
8395 (tree_map_hash): Ditto.
8396 (tree_map_marked_p): Ditto.
8397 (init_ttree): Set up tree_contains_struct and call langhook.
8398 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
8399 (tree_code_size): Update for new structures.
8400 (tree_node_structure): Update for new structures.
8401 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
8403 (copy_node_stat): Copy init priority.
8404 (build_decl_stat): Ditto for visibility.
8405 (ts_enum_names): New.
8406 (tree_contains_struct_check_failed): New function.
8407 (decl_init_priority_lookup): Ditto.
8408 (decl_init_priority_insert): Ditto.
8409 * treestruct.def: New file.
8410 * tree.h (CODE_CONTAINS_STRUCT): New macro.
8411 (CONTAINS_STRUCT_CHECK): Ditto.
8412 (tree_contains_struct_check_failed): New prototype.
8413 (DECL_CHECK): Removed.
8414 (DECL_MINIMAL_CHECK): New.
8415 (DECL_COMMON_CHECK): Ditto.
8416 (DECL_WRTL_CHECK): Ditto.
8417 (DECL_NON_COMMON_CHECK): Ditto.
8418 (DECL_WITH_VIS_CHECK): Ditto.
8419 (VAR_OR_FUNCTION_DECL_P): Ditto
8420 (struct tree_decl_minimal): New structure.
8421 (struct tree_decl_common): Ditto.
8422 (struct tree_decl_with_rtl): Ditto.
8423 (struct tree_decl_with_vis): Ditto.
8424 (struct tree_decl_non_common): Ditto.
8425 (struct tree_field_decl): Ditto.
8426 (struct tree_parm_decl): Ditto.
8427 (struct tree_var_decl): Ditto.
8428 (struct tree_function_decl): Ditto.
8429 (struct tree_const_decl): Ditto.
8430 (struct tree_result_decl): Ditto.
8431 (union tree_node): Add new structures.
8432 * var-tracking.c (track_expr_p): Reverse order of tests.
8434 * doc/c-tree.texi: Add documentation on DECL node internal structure.
8436 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
8438 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
8439 * system.h: Poison FINALIZE_PIC.
8440 * doc/tm.texi (FINALIZE_PIC): Remove.
8442 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8445 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
8446 to the correct type if we have a MODIFY_EXPR.
8448 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
8450 PR tree-optimization/22360
8451 * tree.c (upper_bound_in_type): Fix calculations for casting
8452 to a non-wider signed type and casting a signed value to a
8453 wider unsigned type.
8454 (lower_bound_in_type): Fix calculations for casting to a
8455 non-wider signed type.
8457 PR tree-optimization/20139
8458 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
8460 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
8461 fold_cond_expr_cond.
8462 * tree-ssanames.c (release_defs): Assert in_ssa_p.
8463 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
8465 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8468 * tree-complex.c (expand_complex_libcall): Produce
8469 REALPART_EXPR/IMAGPART_EXPR with the correct type.
8471 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
8473 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
8474 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
8475 b" assert and inserted fastpath code for this case.
8476 (bitmap_ior): Removed "a != b" assert.
8478 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8480 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
8481 (ENDFILE_SPEC): Likewise.
8482 * config/m32r/m32r.h (ASM_SPEC): Likewise.
8484 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
8485 a large stack frame at epilogue.
8487 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
8489 * final.c: Include sdbout.h when required.
8491 2005-07-07 Geoffrey Keating <geoffk@apple.com>
8493 * config.gcc (*-*-darwin*): Only one target-specific header file
8495 (powerpc-*-darwin*): Add version-specific header files.
8496 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
8497 * config.in: Regenerate.
8498 * configure: Regenerate.
8499 * gcc.c: Include xregex.h.
8500 (version_compare_spec_function): New.
8501 (spec_function): Add version-compare.
8502 (replace_outfile_spec_function): Reformat comment.
8503 (compare_version_strings): New.
8504 * config/darwin-c.c (version_as_macro): New.
8505 (builtin_define): New.
8506 (darwin_cpp_builtins): New.
8507 * config/darwin-protos.h (darwin_cpp_builtins): New.
8508 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
8509 (LIB_SPEC): Make unconditional, update comment.
8510 (TARGET_C99_FUNCTIONS): Define.
8511 * config/darwin.opt: Sort.
8512 (mmacosx-version-min=): New.
8513 * config/darwin7.h: Delete.
8514 * config/darwin8.h: Delete.
8515 * config/i386/darwin.h (): Call darwin_cpp_builtins.
8516 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
8517 (TARGET_C99_FUNCTIONS): Define.
8518 * config/rs6000/darwin7.h: New.
8519 * config/rs6000/darwin8.h: New.
8520 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
8521 (-mmacosx-version-min): Document.
8523 2005-07-07 Ian Lance Taylor <ian@airs.com>
8525 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
8527 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
8530 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
8532 2005-07-07 Khem Raj <kraj@mvista.com>
8534 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
8535 in bytes, not words.
8537 2005-07-07 Paul Brook <paul@codesourcery.com>
8539 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
8540 DEFAULT_FUNCTION_ARG_PADDING to upward.
8542 2005-07-07 Richard Henderson <rth@redhat.com>
8544 * function.c (locate_and_pad_parm): Record parameter alignment in
8545 stack_alignment_needed.
8547 2005-07-07 David Edelsohn <edelsohn@gnu.org>
8549 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
8550 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
8551 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
8552 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
8553 (define_attr "type"): Add isync, sync, load_l, store_c.
8554 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
8555 Create scratch volatile MEM.
8556 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
8558 (load_locked_<mode>): New.
8559 (store_conditional_<mode>): New.
8560 (sync_compare_and_swap<mode>): Replace with splitter.
8561 (sync_lock_test_and_set<mode>): Replace with splitter.
8562 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
8564 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
8565 is ics. Attribute isync.
8566 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
8568 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
8569 and UNSPECV_SYNC_OP.
8570 (emit_unlikely_jump): New.
8571 (emit_load_locked): New.
8572 (emit_store_conditional): New.
8573 (rs6000_split_compare_and_swap): New.
8574 (rs6000_split_lock_test_and_set): New.
8575 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
8576 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
8577 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
8578 rs6000_split_lock_test_and_set): Declare.
8579 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
8580 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
8581 store_c, isync, sync.
8583 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
8585 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
8586 filenames to gtyp-gen.h.
8587 (s-typ-gen): Use it in place of for loops.
8589 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
8591 * hooks.c (hook_bool_rtx_int_false): New function.
8592 * hooks.h (hook_bool_rtx_int_false): Declare.
8593 * target-def.h (TARGET_COMMUTATIVE_P): Define.
8594 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
8595 * target.h (struct gcc_target): Add commutative_p member.
8596 * targhooks.c (hook_bool_rtx_commutative_p): New function.
8597 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
8598 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
8599 (pa_commutative_p): New function.
8600 * jump.c (target.h): Include.
8601 (rtx_renumbered_equal_p): Use targetm.commutative_p.
8602 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
8604 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8606 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
8607 (s390_expand_setmem): New.
8608 * config/s390/s390.c: Likewise.
8609 (print_shift_count_operand): Truncate to 12 bits instead of 6.
8611 * config/s390/s390.md: ("setmem<mode>"): Accept character as
8612 general_operand. Call new function "s390_expand_setmem".
8613 ("clrmem_long", "*clrmem_long"): Rewrite to ...
8614 ("setmem_long", "*setmem_long"): ... this.
8616 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8618 * config/s390/s390.c: (optimization_options): Enable
8619 TARGET_MVCLE at -Os.
8620 * doc/invoke.texi: Document changes in default behaviour.
8621 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
8623 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8625 * expr.c: (set_storage_via_setmem): Convert opchar to mode
8626 defined by back-end.
8628 2005-07-07 Jakub Jelinek <jakub@redhat.com>
8630 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
8631 all sets in the pattern.
8632 * config/rs6000/rs6000.md (stack_protect_testsi,
8633 stack_protect_testdi): Likewise.
8635 2005-07-06 Jeff Law <law@redhat.com>
8637 * tree-vrp.c (simplify_using_ranges): Kill.
8638 (vrp_finalize): Remove call to simplify_using_ranges.
8639 (simplify_stmt_using_ranges): New function extracted from
8640 simplify_using_ranges.
8641 (simplify_div_or_mod_using_ranges): Likewise.
8642 (simplify_abs_using_ranges): Likewise.
8643 (simplify_cond_using_ranges): New function.
8644 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
8645 * tree-ssa-propagate.c (substitute_and_fold): Call
8646 simplify_stmt_using_ranges if we have range information.
8648 2005-07-06 James E. Wilson <wilson@specifixinc.com>
8650 * config/ia64/ia64.c (ia64_reorg): Check optimize before
8651 ia64_flag_schedule_isns2.
8653 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
8654 reading/writing general registers.
8655 (ia64_function_arg): Revert 2005-06-18 change.
8657 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
8659 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
8660 (legitimize_tls_address): Use gcc_unreachable instead of abort.
8662 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
8664 * function.c (expand_function_end): Revert part of 2005-06-27
8665 patch. Do sjlj_emit_function_exit_after after return_label.
8667 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8669 * doc/install.texi (--disable-libssp): New.
8671 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
8673 * doc/invoke.texi: Update -fforce-mem documentation.
8674 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
8675 code for -fforce-mem.
8676 * expmed.c: (store_bit_field,store_fixed_bit_field,
8677 extract_bit_field): Ditto.
8678 * expr.c: (convert_move): Ditto.
8679 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
8680 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
8681 emit_conditional_add,expand_float,expand_fix): Ditto.
8682 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
8683 (common_handle_option): Issue warning when -fforce-mem specified.
8685 2005-07-06 Paul Brook <paul@codesourcery.com>
8687 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
8689 * configure: Regenerate.
8691 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
8693 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
8695 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
8697 Fix PR tree-optimization/22319
8698 Fix PR tree-optimization/22140
8699 Fix PR tree-optimization/22310
8701 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
8702 variable sized types.
8703 Use correct type for intermediate structure on *a = *b structure
8706 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8708 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
8710 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
8711 (machine_function): Move typedef to...
8712 * config/rs6000/rs6000.c (machine_function): ... here. Add
8713 varargs_save_offset field.
8714 (rs6000_stack_t): Remove varargs_size field.
8715 (setup_incoming_varargs): Allocate varargs save area using
8716 assign_stack_local, try to make it as small as possible.
8717 Save offset from virtual_stack_vars_rtx to the save area
8718 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
8719 instead of magic 8 when fp word byte size is used.
8720 (rs6000_va_start): Use cfun->machine->varargs_save_offset
8721 instead of -RS6000_VARARGS_SIZE.
8722 (rs6000_stack_info, debug_stack_info,
8723 rs6000_initial_elimination_offset): Remove all traces of
8725 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
8726 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
8727 RS6000_VARARGS_AREA.
8729 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8731 PR tree-optimization/21963
8732 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
8733 constant_multiple_of in the same way get_computation_cost_at does.
8735 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8737 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
8738 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
8739 (gen_compare_reg): If sparc_compare_emitted is set, clear it
8740 and return its previous value.
8741 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
8742 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
8744 (stack_protect_set, stack_protect_test): New expanders.
8745 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
8746 stack_protect_testdi): New insns.
8747 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8748 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
8750 2005-07-06 Jeff Law <law@redhat.com>
8752 * tree-ssa-dce.c (cfg_altered): New global.
8753 (tree_dce_init): Initialize cfg_altered.
8754 (remove_dead_stmt): If we remove an edge in the CFG, then set
8756 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
8759 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8761 * Makefile.in (stamp-collect-ld): Use
8762 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
8763 ./collect-ld if it already exists.
8764 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
8765 Don't remove ./nm if it already exists.
8767 2005-07-05 Devang Patel <dpatel@apple.com>
8769 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
8770 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
8771 * tree-vectorizer.c (vect_loop_location): New.
8772 (vect_print_dump_info): Use vect_loop_location.
8773 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
8774 (vectorize_loops): Set vect_loop_location.
8775 * tree-vect-analyze.c (vect_analyze_offset_expr,
8776 vect_determin_vectorization_factor, vect_analyze_operations,
8777 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
8778 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
8779 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
8780 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
8781 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
8782 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
8783 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
8784 vect_analyze_loop): Adjust vect_print_dump_info API.
8785 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8786 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
8787 vect_finish_stmt_generation, vectorizable_assignment,
8788 vectorizable_operation, vectorizable_store, vectorizable_load,
8789 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
8790 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
8791 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
8792 vect_transform_loop): Same.
8793 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
8794 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
8797 2005-07-05 Randolph Chung <tausq@debian.org>
8799 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
8800 * configure: Regenerate.
8801 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
8802 (pa_tls_referenced_p): Declare.
8803 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
8804 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
8805 (legitimize_tls_address): New.
8806 (hppa_legitimize_address): Handle TLS addresses.
8807 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
8808 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8809 (emit_move_sequence): Handle TLS addresses.
8810 (pa_encode_section_info): Call default handler to handle common
8812 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
8813 (CONSTANT_ADDRESS_P): Reject TLS operands.
8814 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
8815 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
8816 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
8817 (UNSPEC_TLSLE): Define new constants.
8818 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
8819 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
8820 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
8821 (tie_symbolic_operand, tle_symbolic_operand): New
8823 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
8825 * aclocal.m4: Update macros for autoconf 2.59 style.
8826 * configure.ac: Likewise.
8828 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8830 * pa.c (function_value): Handle small aggregates on 32-bit targets.
8831 (function_arg): Pass small aggregates in general registers on 32-bit
8833 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
8835 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
8837 * Makefile.in (final.o): Fix dependencies.
8839 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8843 * langhooks.h (struct lang_hooks): Add expr_to_decl.
8844 * langhooks.c (lhd_expr_to_decl): New.
8845 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
8847 (LANG_HOOKS_INITIALIZER): Update.
8848 * tree.c (recompute_tree_invarant_for_addr_expr): Call
8849 expr_to_decl langhook.
8850 * c-tree.h (c_expr_to_decl): Declare.
8851 * c-typeck.c (c_expr_to_decl): New.
8852 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
8854 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
8856 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8859 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
8860 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
8862 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
8864 * Makefile.in: Adjust dependencies.
8865 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
8866 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
8867 * alias.c (rest_of_handle_cfg, pass_cfg): New.
8868 * bb-reorder.c (duplicate_computed_gotos): Make it static.
8869 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
8870 rest_of_compilation.
8872 * bb-reorder.c (gate_duplicate_computed_gotos,
8873 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
8874 rest_of_handle_reorder_blocks, pass_reorder_blocks,
8875 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
8876 pass_partition_blocks): New.
8877 * bt-load.c (gate_handle_branch_target_load_optimize,
8878 rest_of_handle_branch_target_load_optimize,
8879 pass_branch_target_load_optimize): New.
8880 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
8882 * cfglayout.c (pass_insn_locators_initialize): New.
8883 * cfgrtl.c (pass_free_cfg): New.
8884 * combine.c (gate_handle_combine, rest_of_handle_combine,
8886 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
8887 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
8888 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
8889 * except.c (pass_set_nothrow_function_flags,
8890 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
8892 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
8893 rest_of_handle_shorten_branches, pass_shorten_branches,
8894 rest_of_clean_state, pass_clean_state): New.
8895 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
8896 rest_of_handle_remove_death_notes, pass_remove_death_notes,
8897 rest_of_handle_life, pass_life, rest_of_handle_flow2,
8899 * function.c (pass_instantiate_virtual_regs, pass_init_function,
8900 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
8901 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8902 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
8904 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
8905 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
8906 pass_rtl_ifcvt, gate_handle_if_after_combine,
8907 rest_of_handle_if_after_combine, pass_if_after_combine,
8908 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
8909 pass_if_after_reload): New.
8910 * integrate.c (pass_initial_value_sets): New.
8911 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
8912 pass_purge_lineno_notes): New.
8913 * mode-switching.c (rest_of_handle_mode_switching,
8914 pass_mode_switching): New.
8915 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
8916 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
8918 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
8919 pass_loop_optimize): New.
8920 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
8922 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
8924 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
8925 pass_postreload_cse): New.
8926 * profile.c (gate_handle_profiling, pass_profiling,
8927 rest_of_handle_branch_prob, pass_branch_prob): New.
8928 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
8929 pass_split_before_regstack, gate_handle_split_before_regstack,
8930 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
8931 rest_of_handle_split_all_insns, pass_split_all_insns): New.
8932 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
8933 pass_stack_regs): New.
8934 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
8935 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
8936 pass_stack_adjustments): New.
8937 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
8938 pass_regrename): New.
8939 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
8940 pass_delay_slots, gate_handle_machine_reorg,
8941 rest_of_handle_machine_reorg, pass_machine_reorg): New.
8942 * rtl.h (extern void purge_line_number_notes): New.
8943 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
8944 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
8946 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
8948 * value-prof.c (gate_handle_value_profile_transformations,
8949 rest_of_handle_value_profile_transformations,
8950 pass_value_profile_transformations): New.
8951 * var-tracking.c (gate_handle_var_tracking,
8952 pass_variable_tracking): New.
8953 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
8955 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
8956 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8957 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8958 rest_of_handle_old_regalloc, rest_of_handle_regrename,
8959 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
8960 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
8961 rest_of_handle_gcse2, rest_of_handle_regmove,
8962 rest_of_handle_tracer, rest_of_handle_if_conversion,
8963 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
8964 rest_of_handle_web, rest_of_handle_branch_prob,
8965 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8966 rest_of_handle_jump_bypass, rest_of_handle_combine,
8967 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8968 rest_of_handle_gcse, rest_of_handle_loop_optimize,
8969 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
8970 rest_of_handle_mode_switching, rest_of_handle_jump,
8971 rest_of_handle_eh, rest_of_handle_stack_adjustments,
8972 rest_of_handle_flow2, rest_of_handle_jump2,
8973 rest_of_handle_peephole2, rest_of_handle_postreload,
8974 rest_of_handle_shorten_branches, rest_of_clean_state,
8975 rest_of_compilation): Remove.
8977 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
8978 * passes.c (dump_flags, in_gimple_form, all_passes,
8979 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8980 register_dump_files, next_pass_1, last_verified, execute_todo,
8981 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
8982 from tree-optimize.c.
8983 (init_optimization_passes): Moved from tree-optimize.c,
8984 adding the RTL optimizations.
8985 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
8986 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
8987 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8988 register_dump_files, next_pass_1, last_verified, execute_todo,
8989 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
8990 init_tree_optimization_passes, ipa_passes): Delete.
8991 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
8993 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
8994 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
8996 (ipa_passes): Remove.
8997 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
8998 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
8999 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
9000 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
9001 (dump_info_p, dump_flag): Moved to tree-dump.h.
9003 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
9005 * passes.c (finish_optimization_passes): Use dump_begin
9006 and dump_end, TDI_end.
9007 (gate_rest_of_compilation): New.
9008 (pass_rest_of_compilation): Use it.
9009 (gate_postreload, pass_postreload): New.
9010 * toplev.c (general_init): Rename init_tree_optimization_passes.
9011 * toplev.h (init_tree_optimization_passes): Rename to
9012 init_optimizations_passes.
9013 * tree-dump.c (dump_flag): Make static.
9014 (dump_files): Remove RTL dumps.
9015 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
9016 pass_cleanup_cfg, pass_free_cfg_annotations,
9017 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
9018 pass_init_datastructures, pass_fixup_cfg): Make non-static.
9019 * tree-pretty-print.c: Include tree-pass.h.
9020 * cgraph.c: Include tree-dump.h.
9022 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9024 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
9025 Only fall back to saying it points to readonly memory if
9028 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9030 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
9031 * config/m32r/m32r.c (m32r_compute_frame_size,
9032 m32r_expand_prologue): Take current_function_profile into
9033 account whenever we reference
9034 current_function_uses_pic_offset_table.
9035 (m32r_finalize_pic): Remove.
9036 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
9038 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
9040 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
9041 instead of $<. Don't remove ./as if it already exists.
9043 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9046 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
9047 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
9048 for complex modes when generating code for PA 1.0.
9049 (VALID_FP_MODE_P): New macro.
9050 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9051 sets for all general and floating point modes. Align wide floating
9052 point modes to even register boundaries to comply with architectural
9054 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
9055 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
9056 (VALID_FP_MODE_P): New macro.
9057 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9058 sets for all general and floating point modes. Align wide floating
9059 point modes to even register boundaries to comply with architectural
9062 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9064 * tree-dump.c (dump_files): Initialize dump number for .cgraph
9067 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9069 * tree-ssa-structalias.c: Don't include expr.h.
9071 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9073 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
9076 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9078 Fix PR tree-optimization/22279
9080 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
9083 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
9085 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
9087 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
9089 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
9090 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
9091 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
9092 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
9093 config/stormy16/stormy16.c, config/v850/v850.c,
9094 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
9095 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
9096 Avoid "." or "\n" at end of diagnostics and capital letters at
9097 start of diagnostics.
9098 * combine.c, cse.c: Don't translate dump file output.
9099 * toplev.c (print_version): Only translate output if going to
9102 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
9104 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
9105 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
9108 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9110 * pa.c (fix_range): Fix typo in comment.
9112 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
9114 * tree-vrp.c (extract_range_from_assert): Replace
9115 fold (build (...)) with fold_build2.
9117 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9119 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
9120 gcc_gfc_char_table, init_dynamic_gfc_info): New.
9121 (format_types_orig, handle_format_attribute): Add support for
9124 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
9126 * varasm.c (assemble_variable): Fix format specifier thinko.
9128 2005-07-03 Ira Rosen <irar@il.ibm.com>
9130 PR tree-optimization/22029 (and 22135)
9131 * tree-pretty-print.c (dump_generic_node): Check that the node is not
9132 a phi node before calling dump_vops.
9134 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
9136 * tree-dump.h (dump_string_field): Declare.
9137 * tree-dump.c: Use it instead of dump_string.
9138 (dump_string_field): Make non-static.
9140 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
9142 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
9143 up the minimal CFG stuff always when optimize > 0. Call
9144 split_all_insns_noflow in PIC case if needed.
9146 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
9147 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
9150 * c-decl.c (c_write_global_declarations): Dump contents of
9152 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
9153 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
9154 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
9155 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
9158 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
9160 * c-common.h (GCC_DIAG_STYLE): Define.
9161 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
9162 version for format checking to 4.1.
9163 * c-format.c: Include toplev.h after c-common.h.
9164 (enum format_type): Add gcc_tdiag_format_type.
9165 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
9166 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
9167 (format_types_orig): Add gcc_tdiag.
9168 (init_dynamic_diag_info): Support gcc_tdiag formats.
9169 (handle_format_attribute): Likewise.
9170 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
9171 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
9172 version for format checking to 4.1.
9173 (warning0, warning, error, pedwarn, sorry): Use
9175 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
9176 (finish_aliases_1): Do not use %qE.
9177 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
9178 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
9179 Correct format bugs.
9180 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
9181 parameter to unsigned HOST_WIDE_INT.
9182 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
9184 2005-07-02 David Edelsohn <edelsohn@gnu.org>
9187 * expr.c (write_complex_part): Use adjust_address for MEM.
9188 (read_complex_part): Same.
9190 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
9192 Fix PR tree-optimization/22280
9194 * tree-sra.c (generate_element_init): Remove useless loop.
9196 2005-07-02 Richard Henderson <rth@redhat.com>
9198 * config/alpha/alpha.c (alpha_legitimize_address): Check for
9200 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
9202 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
9205 * fold-const.c (fold_binary): Handle the return value of
9206 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
9207 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
9209 2005-07-02 Jeff Law <law@redhat.com>
9211 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
9212 a eliminate type conversion which feeds an equality comparison
9213 if the original type or either operand in the comparison is a
9216 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
9218 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
9219 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
9221 * config/avr/avr.c: Do not use '`' as left quote.
9222 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
9223 Remove "." from end of diagnostics. Make diagnostics start with
9226 2005-07-02 Zack Weinberg <zack@codesourcery.com>
9227 Joseph S. Myers <joseph@codesourcery.com>
9229 * toplev.c (default_tree_printer): Handle setting location with
9231 * c-objc.common.c (c_tree_printer): Likewise.
9232 * c-format.c (gcc_diag_flag_specs): Add '+'.
9233 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
9234 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
9236 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
9237 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
9238 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
9239 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
9240 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
9241 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
9242 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
9243 format arguments where %J is used without %D.
9245 2005-07-02 Jakub Jelinek <jakub@redhat.com>
9247 * gcc.c (LINK_SSP_SPEC): Define.
9248 (link_ssp_spec): New variable.
9249 (LINK_COMMAND_SPEC): Add %(link_ssp).
9250 (static_specs): Add link_ssp_spec.
9251 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
9252 * configure: Rebuilt.
9253 * config.in: Rebuilt.
9255 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9256 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9257 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9258 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9259 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
9260 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
9261 -0x7008(2) instead of reading __stack_chk_guard variable.
9262 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
9264 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
9265 (stack_protect_set, stack_protect_test): Use *_tls* patterns
9266 if TARGET_THREAD_SSP_OFFSET is defined.
9267 (stack_tls_protect_set_si, stack_tls_protect_set_di,
9268 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
9271 2005-06-27 Richard Henderson <rth@redhat.com>
9272 * libgcc-std.ver (GCC_4.1.0): New.
9273 * libgcc.h (__stack_chk_guard): Declare.
9274 (__stack_chk_fail, __stack_chk_fail_local): Declare.
9275 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
9276 * mklibgcc.in (lib2funcs): Add them.
9278 2005-07-01 Richard Henderson <rth@redhat.com>
9280 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
9281 void * before struct sigcontext *.
9282 (x86_fallback_frame_state): Likewise.
9284 2005-07-01 James E. Wilson <wilson@specifixinc.com>
9286 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
9288 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
9291 * tree-ssa-reassoc.c (should_transpose): Fix which operand
9292 we check for SSA_NAME for.
9294 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
9296 Fix PR tree-optimization/22071
9298 * tree-ssa-structalias.c (offset_overlaps_with_access): New
9300 (get_constraint_for_component_ref): Use it.
9302 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
9305 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
9306 print out the last new line.
9308 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
9310 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
9311 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
9312 * config/cris/cris.c (cris_conditional_register_usage): Adjust
9313 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
9314 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
9315 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
9316 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
9317 (enum reg_class): New member CC0_REGS.
9318 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
9319 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
9320 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
9321 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
9322 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
9323 Adjust for register now described.
9325 2005-07-01 Jakub Jelinek <jakub@redhat.com>
9328 * config/i386/i386.md (stack_protect_test_si,
9329 stack_protect_test_di): Add earlyclobber for scratch 3.
9330 * config/rs6000/rs6000.md (stack_protect_testsi,
9331 stack_protect_testdi): Add earlyclobber for scratch 3,
9332 remove earlyclobber from scratch 4.
9334 Older entries for 2005 can be found in ChangeLog-2005.