1 2005-11-19 Richard Guenther <rguenther@suse.de>
3 * fold-const.c (fold_indirect_ref_1): Make sure we fold
4 ARRAY_REFs of constant strings.
6 2005-11-19 Jakub Jelinek <jakub@redhat.com>
8 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
11 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
13 * combine.c (make_compound_operation): Swap operands of
14 commutative operation if necessary before returning.
16 2005-11-19 Richard Guenther <rguenther@suse.de>
19 * fold-const.c (fold_plusminus_mult_expr): New function.
20 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
21 cases, remove now unnecessary code.
23 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
25 * gensupport.c (old_preds): Rename to std_preds, add special field.
26 (struct old_pred_table): Rename to struct std_pred_table, add special
28 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
29 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
30 (init_predicate_table): Adjust, and set along the way whether a
33 2005-11-18 Mark Mitchell <mark@codesourcery.com>
35 * BASE-VER: Change to 4.2.0.
37 2005-11-18 James E Wilson <wilson@specifix.com>
39 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
42 2005-11-18 Mike Stump <mrs@apple.com>
44 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
45 * config/darwin-c.c (darwin_pragma_unused): Likewise.
46 * c-decl.c (lookup_name_two) Remove.
47 * c-tree.h (lookup_name_two): Remove.
48 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
49 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
50 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
51 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
53 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
56 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
57 when not generating code to use that co-processor.
59 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
61 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
62 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
63 these functions are now in tree-phinodes.c.
65 2005-11-18 Jie Zhang <jie.zhang@analog.com>
67 * config/bfin/bfin.md (trap): New pattern.
69 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
71 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
74 * expr.c (expand_expr_real): Don't call record_block_change unless
75 ib_boundaries_block is non-null
77 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
79 * fold-const.c (build_range_check): Use proper type for subtraction
80 when merging lower bound.
82 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
84 PR rtl-optimization/24497
85 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
88 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
90 * tree-scalar-evolution.c (expression_expensive_p): New function.
91 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
93 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
95 * config/bfin/crtlibid.s: New file.
97 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
100 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
101 when not using sjlj exceptions.
102 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
103 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
104 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
105 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
106 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
107 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
108 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
109 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
110 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
111 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
112 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
113 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
114 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
116 * config/pa/hpux-unwind.h: New file.
118 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
120 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
121 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
122 * varasm.c (do_assemble_alias): Adjust call.
123 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
125 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
127 2005-11-17 James E Wilson <wilson@specifix.com>
129 * tree.def (FUNCTION_DECL): Correct typo in comment.
131 2005-11-17 Richard Henderson <rth@redhat.com>
133 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
134 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
135 and DW_CFA_def_cfa_sf.
136 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
137 (dbx_reg_number): Don't assert particular registers here.
138 (based_loc_descr): ... do it here instead. Fold in ...
139 (eliminate_reg_to_offset): ... this function.
140 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
141 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
142 * unwind-dw2.c (execute_cfa_program): Apply data align factor
143 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
144 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
145 (instantiate_virtual_regs): Likewise.
146 * var-tracking.c (adjust_stack_reference): Likewise.
147 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
149 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
151 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
152 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
153 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
155 ($(T)crtlibid.o): New rule.
157 2005-11-16 Richard Guenther <rguenther@suse.de>
160 * fold-const.c (extract_array_ref): Return byte offset
162 (fold_binary): Fold &x[a] CMP &x[b] to
163 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
166 2005-11-16 Richard Henderson <rth@redhat.com>
169 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
170 parts of an SSA_NAME.
172 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
175 * arm.md (split for movsf with immediate): Restrict split to insns
176 that set a general register.
178 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
180 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
182 * unwind-dw2.c (uw_advance_context): Likewise.
183 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
184 _Unwind_SjLj_Unregister.
185 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
187 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
189 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
191 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
193 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
194 langhook to get a DImode integer type.
196 2005-11-16 Richard Henderson <rth@redhat.com>
197 J"orn Rennecke <joern.rennecke@st.com>
198 Ulrich Weigand <uweigand@de.ibm.com>
202 * reload1.c (reg_equiv_invariant): New.
203 (reload): Allocate, initialize, and free it.
204 (calculate_needs_all_insns): Check it when skipping equivalence
206 (alter_reg): Likewise.
207 (eliminate_regs_1): Rename from eliminate_regs. Add new
208 may_use_invariant argument; only use reg_equiv_invariant when true.
209 (eliminate_regs): New.
210 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
211 a context for which may_use_invariant may be true.
213 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
215 * fold-const.c (const_binop): Don't constant fold the operation
216 if the result has overflowed and flag_trapping_math.
217 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
219 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
221 * config/arm/unwind-arm.c (abort): Add prototype here.
222 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
223 (struct phase1_vrs): Add prev_sp.
224 (unwind_phase2_forced): Save the original core registers instead of
225 modifying entry_vrs. Take a new flag argument for resuming unwinding
226 and set action flags accordingly. Always set _US_END_OF_STACK when
227 get_eit_entry fails. Unwind before calling the stop function.
228 (_Unwind_GetCFA): New function.
229 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
230 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
231 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
232 just call unwind_phase2_forced.
233 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
234 * config/arm/unwind-arm.h (abort): Remove prototype.
235 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
237 (_Unwind_GetCFA): New prototype.
238 * config/arm/pr-support.c (abort): Add prototype here.
239 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
241 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
242 not schedule the prologue with non-call exceptions and EABI.
244 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
246 * config/arm/unwind-arm.h: Reorder interface function declarations.
247 (_URC_END_OF_STACK): New enumeration value.
248 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
249 (struct _Unwind_Control_Block): Document reserved field use.
250 (_Unwind_Stop_Fn): New typedef.
251 (_Unwind_ForcedUnwind): Declare.
252 (_Unwind_Resume_or_Rethrow): Declare.
253 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
255 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
256 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
257 (UCB_FORCED_STOP_ARG): New.
258 (search_EIT_table): Update boundary condition checks.
259 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
260 (unwind_phase2): Replace for with do..while.
261 (unwind_phase2_forced): New.
262 (__gnu_Unwind_RaiseException): Replace for with do..while.
263 (__gnu_Unwind_ForcedUnwind): New.
264 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
265 Use appropriate phase2 unwinder.
266 (__gnu_Unwind_Resume_or_Rethrow): New.
267 (__gnu_unwind_pr_common): Cope with forced unwinding.
269 2005-11-16 David Edelsohn <edelsohn@gnu.org>
272 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
274 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
275 roundsf2): Remove "s" from mnemonic.
277 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
279 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
281 * config/bfin/crtn.s: Change epilogues to match.
282 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
283 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
286 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
289 * doc/invoke.texi: Distinguish between free and fixed form instead of
290 Fortran and Fortran 90/95. Remove ratfor from the list of supported
292 * gcc.c (default_compilers): Remove double entries, add entries for
293 suffixes '.F90' and '.F95'.
295 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
297 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
298 in the stack probing loop.
300 2005-11-15 David Edelsohn <edelsohn@gnu.org>
302 * configure.ac: Use .machine power5 not power5x.
303 * configure: Regenerate.
305 2005-11-15 Mike Stump <mrs@apple.com>
307 * c-decl.c (lookup_name_two): Add.
308 * c-tree.h (lookup_name_two): Likewise.
309 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
310 * config/darwin-c.c (darwin_pragma_unused): Likewise.
312 2005-11-16 Alan Modra <amodra@bigpond.net.au>
314 PR rtl-optimization/23392
315 * regrename.c (enum scan_actions) Add mark_access.
316 (scan_actions_name): Ditto.
317 (scan_rtx_reg): Handle mark_access.
318 (scan_rtx_address): Do nothing for mark_access.
319 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
320 and regs in REG_INC notes before closing chains for dead regs.
321 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
322 opening chains for new writes.
324 2005-11-15 David Edelsohn <edelsohn@gnu.org>
326 * c.opt (ffixed-line-length-none): New.
328 2005-11-15 Steve Ellcey <sje@cup.hp.com>
330 * mklibgcc.in: Change contents of eh_dummy.c.
332 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
334 * loop.c (scan_loop): Do not insert temporaries for hard registers.
336 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
338 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
340 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
342 2005-11-15 Jan Hubicka <jh@suse.cz>
344 * invoke.texi (large-unit-insns): Document.
345 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
346 * params.def (large-unit-insns): New param.
348 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
351 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
352 special register for operand 3. Reindent constraints to align
355 2005-11-14 David Edelsohn <edelsohn@gnu.org>
357 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
358 -mpopcntb, -mfprnd. Add -mcpu=power5+.
359 * configure.ac: Add test for FP rounding instructions.
360 * configure: Regenerate.
361 * config.in: Regenerate.
362 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
363 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
365 * config/rs6000/rs6000.opt (mfprnd): New.
366 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
367 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
368 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
369 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
371 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
373 (btrunc<mode>2): New.
378 2005-11-14 Geoffrey Keating <geoffk@apple.com>
380 * gcc.c (version_compare_spec_function): Use fatal() rather than
383 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
384 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
385 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
387 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
390 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
391 on -mmacosx-version-min setting.
393 2005-11-14 Diego Novillo <dnovillo@redhat.com>
396 * tree-vrp.c (infer_value_range): Return false if STMT is a
397 block terminator and its basic block has no successors.
399 2005-11-14 Mike Stump <mrs@apple.com>
401 * config/i386/i386.c (override_options): -masm=intel isn't
403 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
405 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
407 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
408 vfork after including auto-host.h.
410 2005-11-15 Alan Modra <amodra@bigpond.net.au>
412 PR rtl-optimization/22002
413 * combine.c (distribute_notes): Detect cases where a reg dies
414 two or more times in a bb, including on the insn we are combining,
415 and place the death note on the correct range.
417 2005-11-14 Dale Johannesen <dalej@apple.com>
419 * expmed.c (store_bit_field): Add offset unconditionally for
421 (extract_bit_field): Don't force extzv or extv operand into
422 a register if field is too big.
424 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
426 * config/arm/arm.c (pic_labelno): New.
427 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
428 LABEL_REF. Pass only the labelno to PIC insns.
429 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
430 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
431 * arm.md (UNSPEC_PIC_LABEL): New constant.
432 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
433 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
434 Use the correct label prefix.
436 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
438 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
441 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
443 * loop-invariant.c: Include tm_p.h.
444 * Makefile.in: Updated.
446 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
448 * pa.c (store_reg): Revise generation of frame notes in large frames.
449 (set_reg_plus_d): Likewise.
451 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
453 PR tree-optimization/24709
454 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
457 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
459 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
460 and duplicate declaration of pthread_self.
462 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
463 Ian Lance Taylor <ian@airs.com>
466 * calls.c (expand_call): If TARGET is a MEM and some part of the
467 argument area has been saved, force TARGET to a register.
469 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
471 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
474 2005-11-13 Jason Merrill <jason@redhat.com>
477 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
478 lazily declared methods.
479 (force_decl_die): Stop if forcing out the context already make a
481 (force_type_die): Likewise.
483 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
486 * builtins.c (integer_valued_real_p): Add break in
487 REAL_CST having TREE_OVERFLOW set.
489 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
491 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
492 addressing modes during calculation of costs.
494 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
496 * function.c (assign_stack_local_1): Restrict sanity check
497 on frame size overflow to 32-bit and above platforms.
499 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
501 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
502 * config/cris/cris.c: Include reload.h.
503 (cris_initial_elimination_offset): New function.
504 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
507 2005-11-12 Richard Guenther <rguenther@suse.de>
509 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
511 2005-11-12 Jan Hubicka <jh@suse.cz>
513 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
514 to compare against 0 when possible.
516 2005-11-12 Jie Zhang <jie.zhang@analog.com>
518 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
519 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
520 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
521 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
524 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
526 * recog.c (constrain_operands) <case 'g'>: For a match, require
527 that a non-register matches general_operand when strict >= 0.
529 2005-11-11 Steven Bosscher <stevenb@suse.de>
531 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
534 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
536 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
537 (memory_address_same): New.
538 (dse_optimize_stmt): Call memory_address_same.
540 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
543 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
544 ZERO_EXTEND>: New cases.
546 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
548 * longlong.h (__clz_tab): Always provide.
550 2005-11-11 Steven Bosscher <stevenb@suse.de>
553 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
555 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
556 before check_maybe_invariant.
557 (move_invariant_reg): Use gen_move_insn instead of replacing
558 SET_DEST with the temporary for the invariant.
559 (move_loop_invariants): If checking is enabled, do internal
560 consistency checks after completing the pass.
562 2005-11-11 David Edelsohn <edelsohn@gnu.org>
565 * common.opt (Wvolatile-register-var): New.
566 * varasm.c (make_decl_rtl): Only emit warning when option
567 specified. Clarify warning message.
568 * doc/invoke.texi (Wvolatile-register-var): Document new option.
570 * doc/md.texi (copysign): Document standard named pattern.
572 2005-11-11 Jie Zhang <jie.zhang@analog.com>
574 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
575 bytes when align is 2.
576 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
577 by the first instruction of the loop.
579 2005-11-11 Jason Merrill <jason@redhat.com>
582 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
585 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
587 PR rtl-optimization/22509
588 * local-alloc.c (memref_used_between_p): Check whether a function call
589 could not reference the memref.
591 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
593 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
594 algorithm so as to choose the best, not the worst, alternative.
595 Reset accumulated register class before processing next alternative.
597 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
600 * calls.c (expand_call): Copy a return value to a plain register
603 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
606 * varasm.c (assemble_name): Recompute name only for transparent
609 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
611 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
613 2005-11-04 Jeff Law <law@redhat.com>
616 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
617 perform reassociation if the parent statement will not die as
618 a result of the optimization.
620 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
622 * tree-ssa-alias.c (compute_may_aliases): Remove call to
623 delete_old_heap_vars.
624 * tree-dfa.c (referenced_var_remove): Remove function.
625 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
626 (delete_tree_ssa): Remove call to delete_old_heapvars.
627 Add call to delete_alias_heapvars.
628 * tree-flow.h (referenced_var_remove): Remove prototype
629 (init_alias_heapvars): New prototype.
630 (delete_alias_heapvars): Ditto.
631 * Makefile.in (tree-ssa-structalias.o): Add
632 gt-tree-ssa-structalias.o
633 (GTFILES): Add tree-ssa-structalias.h and
634 tree-ssa-structalias.c.
635 (s-gtype): Add gt-tree-ssa-structalias.h.
636 * tree-ssa-structalias.c (heapvars): Remove.
637 (oldheapvars): Remove.
638 (heapvar_for_stmt): New variable.
639 (heapvar_lookup): New function.
640 (heapvar_insert): Ditto.
641 (get_constraint_for): See if we have an old heapvar
643 (init_alias_heapvars): New function.
644 (delete_alias_heapvars): Ditto.
645 Add include of gt-tree-ssa-structalias.h.
647 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
650 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
652 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
654 * tree.c (int_fits_type_p): Only look at the base type
655 if it has the same precision as the original type.
657 2005-11-10 Jakub Jelinek <jakub@redhat.com>
660 * varasm.c (assemble_alias): Use %q+D in the error
661 message instead of %J and %qD.
663 2005-11-10 Richard Guenther <rguenther@suse.de>
665 * gcse.c (free_ldst_entry): Only free hashtable if
668 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
670 * function.c (assign_stack_local_1): Issue an error message if
671 the frame size overflows in the signed target arithmetics.
673 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
675 * tree.c (build_qualified_type): Chain the new type to the original
676 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
677 a POINTER_TYPE or a REFERENCE_TYPE respectively.
678 (build_pointer_type_for_mode): Only return unqualified types.
679 (build_reference_type_for_mode): Likewise.
681 2005-11-09 Jakub Jelinek <jakub@redhat.com>
683 * Makefile.in (gnucompare): Do comparison of all files using one of
684 the chosen methods and only afterwards decide if just warning should
685 be issued or comparison failure raised.
687 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
689 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
690 (noce_try_abs): Negate if the comparison is reversed.
691 Look only one instruction backwards for a REG_EQUAL note.
693 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
696 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
697 gthr-tpf.h: Define __gthrw. For all identifiers that might
698 be weak, introduce weakrefs or non-weak aliases with __gthrw,
699 and prefix all uses with __ghtrw.
701 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
704 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
705 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
706 * c-common.c (handle_weakref_attribute): New.
707 (c_common_attribute_table): Add weakref.
708 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
710 * configure, config.in: Rebuilt.
711 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
712 * doc/extend.texi: Document weakref attribute.
713 * varasm.c (ultimate_transparent_alias_target): New
714 (assemble_name): Use it.
715 (weak_finish_1): Split out of...
716 (weak_finish): ... and deal with weakrefs in...
717 (weakref_targets): ... new list.
718 (globalize_decl): Clean up weakref_targets.
719 (do_assemble_alias): Handle weakrefs.
720 (finish_aliases_1): Do not reject weakrefs to external symbols.
721 (assemble_alias): Handle weakrefs.
723 2005-11-09 Richard Guenther <rguenther@suse.de>
725 PR tree-optimization/24716
726 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
727 t_bool to track results from follow_ssa_edge.
729 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
731 * final.c (force_source_line): New global variable.
732 (final_scan_insn): Set it to true instead of clearing last_filename.
733 (notice_source_line): Return true if force_source_line is true,
734 unless source info is absent.
736 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
739 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
740 a linkage name for a variable if it a register variable.
741 * c-decl.c (grokdeclarator): Global register variables
742 should be set as PUBLIC.
744 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
747 * config/s390/s390.c (struct s390_frame_layout): New fields
748 first_save_gpr_slot and last_save_gpr_slot.
749 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
750 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
751 first_save_gpr and last_save_gpr with the _slot variants.
752 (s390_register_info): Calculate first_save_gpr_slot and
753 last_save_gpr_slot using regs_ever_live.
755 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
758 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
759 for a function containing a landing pad.
761 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
764 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
767 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
769 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
770 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
772 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
775 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
777 (call,load,store): New insn types.
778 (mem_access, branch_access): Adjust reservation conditions.
779 (define_delay): Adjust condition.
780 (decrement_and_branch_until_zero): Allow for ms2. Set branch
782 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
783 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
785 (call_internal, call_value_internal, return_internal,
786 return_interrupt_internal, eh_return_internal, indirect_jump,
787 tablejump): Set call insn type.
788 (blockage, ei, di): Use appropriate unspec const.
789 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
790 (ms1_get_attr_type): Adjust to give load & store types.
791 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
792 backwards past a barrier.
793 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
795 (struct branch_info, struct label_info): New.
797 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
798 (ms1_machine_reorg): New.
799 (TARGET_MACHINE_DEPENDENT_REORG): Override.
800 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
801 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
802 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
805 2005-11-09 Per Bothner <per@bothner.com>
806 Uros Bizjak <uros@kss-loka.si>
809 * toplev.c (process_options): Initialize debug_hooks early
810 in case lang_hooks.post_options ends up calling a debug_hook.
812 2005-11-08 Jakub Jelinek <jakub@redhat.com>
814 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
815 DBX_REGISTER_NUMBER being contiguous.
817 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
818 Diego Novillo <dnovillo@redhat.com>
821 * tree-vrp.c (register_edge_assert_for): Do not register
822 always-false predicates.
824 2005-11-08 Devang Patel <dpatel@apple.com>
826 PR tree-optimization/23115
827 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
830 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
832 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
835 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
837 Fix PR tree-optimization/23382
839 * tree-ssa-alias.c (compute_may_aliases): Call
840 delete_old_heap_vars.
841 * tree-dfa.c (referenced_var_remove): New function.
842 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
843 * tree-flow.h (referenced_var_remove): Add prototype.
844 (delete_old_heap_vars): Ditto.
845 * tree-ssa-structalias.c (heapvars): New variable.
846 (oldheapvars): Ditto.
847 (get_constraint_for): Put heap vars on heapvars list.
848 (delete_old_heap_vars): New function.
850 2005-11-08 Jason Merrill <jason@redhat.com>
852 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
854 2005-11-08 Uros Bizjak <uros@kss-loka.si>
857 * reg-stack.c (reg_to_stack): Update register liveness also
858 for flag_sched2_use_traces.
860 2005-11-08 Alan Modra <amodra@bigpond.net.au>
863 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
864 override prior explicit -mno-powerpc-gfxopt.
866 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
868 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
869 if the bitsize is zero.
870 * doc/md.texi (Standard Pattern Names): Document it.
872 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
873 (TARGET_PASS_BY_REFERENCE): Likewise.
875 2005-11-07 Ian Lance Taylor <ian@airs.com>
877 PR rtl-optimization/24683
878 * config/i386/i386.c (legitimize_pic_address): If constant operand
879 to PLUS is too large, put it in a register.
881 2005-11-07 Jie Zhang <jie.zhang@analog.com>
883 * configure.ac: Enable checking assembler dwarf2 support for bfin
885 * configure: Regenerate.
887 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
891 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
892 gen_easy_vector_constant_add_self): Delete.
893 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
895 (output_vec_const_move): Use gen_easy_altivec_constant.
896 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
897 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
898 (easy_vector_constant_add_self): Rewritten.
899 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
900 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
901 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
902 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
903 Macroize and adjust for the other changes.
905 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
909 * c-typeck.c (build_c_cast): Try using a shared constant, and see
910 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
912 2005-11-07 Jakub Jelinek <jakub@redhat.com>
914 PR rtl-optimization/23567
915 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
916 (noce_process_if_block): Don't do any optimizations except
917 if (cond) x = x; if !set_b and write into orig_x may trap
918 or fault. Remove the MEM_READONLY_P check.
920 2005-11-06 Diego Novillo <dnovillo@redhat.com>
923 * tree-vrp.c (fix_equivalence_set): New.
924 (extract_range_from_assert): Call it.
926 2005-11-05 Ian Lance Taylor <ian@airs.com>
929 * combine.c (apply_distributive_law): Don't distribute across a
932 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
934 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
935 config/ms1/ms1.h, config/rs6000/predicates.md,
936 config/s390/s390.c, params.def, postreload-gcse.c,
937 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
938 tree-vrp.c, tree.c: Fix comment typos.
939 * doc/invoke.texi: Fix typos.
941 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
943 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
944 for testing whether the data_dependence_relation contains distance
945 vectors. Iterate over all distance vectors of the ddr.
946 * lambda.h: Define a vec of lambda_vector pointers.
947 * tree-data-ref.c (dump_data_dependence_relation,
948 dump_data_dependence_direction): Iterate over all distance and
949 direction vectors of the ddr.
950 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
952 (build_classic_dist_vector, build_classic_dir_vector): Push a set
953 of distance/direction vectors instead of a single one.
954 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
955 lambda_vectors with a vec of lambda_vectors.
956 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
957 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
958 DDR_NUM_DIST_VECTS): New.
959 * tree-loop-linear.c (gather_interchange_stats): Test for the
960 existence of distance vectors only after having checked that there
961 is a dependence. Iterate over all distance vectors of the ddr.
962 (linear_transform_loops): Use dump_data_dependence_relation.
963 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
964 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
965 distance vectors of the ddr.
967 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
969 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
970 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
971 IS_INTHANDLER; all callers changed.
972 (n_regs_saved_by_prologue): Take interrupt handler attributes into
974 (do_link, do_unlink): New argument ALL; all callers changed.
975 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
976 If function isn't leaf, save and restore all registers.
977 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
980 2005-11-05 Jan Hubicka <jh@suse.cz>
982 PR rtl-optimization/23490
983 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
984 max-flow-memory-location): Document.
985 * flow.c: Include params.h
986 (MAX_MEM_SET_LIST_LEN): Kill.
987 (add_to_mem_set_list): Use new param.
988 * cse.c (cse_basic_block): Replace 1000 by new param.
989 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
990 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
991 * predict.c (predict_loops): Use new param.
992 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
994 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
995 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
996 Do not hold memory returned by cgraph_node_name across other call.
998 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
1001 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
1004 2005-11-04 Jeff Law <law@redhat.com>
1007 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
1008 * tree-ssa-dom.c: Include params.h.
1009 (thread_across_edge): If there are too many statements in the
1010 target block, then do not thread through it.
1011 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
1012 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
1014 2005-11-03 Diego Novillo <dnovillo@redhat.com>
1017 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
1018 TODO_update_ssa instead of TODO_update_ssa_no_phi.
1020 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
1023 * tree-scalar-evolution.c (instantiate_parameters_1,
1024 instantiate_parameters, resolve_mixers): Compute the size of an
1025 expression to be instantiated and give up the instantiation if the
1026 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1028 2005-11-04 Richard Guenther <rguenther@suse.de>
1030 * tree-flow.h (ref_contains_indirect_ref): Rename to
1031 array_ref_contains_indirect_ref.
1032 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
1033 (array_ref_contains_indirect_ref): Make comment match the code
1035 (ref_contains_array_ref): Likewise.
1036 * tree-ssa-structalias.c (find_func_aliases): Remove call to
1037 ref_contains_indirect_ref.
1038 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1039 Rename calls to ref_contains_indirect_ref.
1041 2005-11-04 Paul Brook <paul@codesourcery.com>
1043 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
1044 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
1045 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1046 * config/arm/arm.md: Use match_operand in peephole input templates
1047 and match_dup in peephole output templates.
1049 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1051 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
1054 2005-11-04 Mark Mitchell <mark@codesourcery.com>
1055 Daniel Jacobowitz <dan@codesourcery.com>
1057 * longlong.h (add_ssaaaa): Clobber condition code register
1059 (sub_ddmmss): Likewise.
1060 (umul_ppmm): Likewise.
1062 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1063 Paul Brook <paul@codesourcery.com>
1064 Phil Blundell <pb@reciva.com>
1066 * configure.ac: Add test for ARM TLS support.
1067 * configure: Regenerated.
1068 * config/arm/arm-protos.h (legitimize_tls_address)
1069 (arm_tls_referenced_p, tls_mentioned_p)
1070 (arm_output_addr_const_extra): New prototypes.
1071 (thumb_legitimize_pic_address): Delete.
1072 * config/arm/arm.c: Include "gt-arm.h".
1073 (enum tls_reloc): New.
1074 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
1075 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
1076 (arm_call_tls_get_addr, legitimize_tls_address)
1077 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
1078 (arm_init_tls_builtins, arm_emit_tls_decoration)
1079 (arm_output_addr_const_extra): New functions.
1080 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
1081 (TARGET_HAVE_TLS): Define.
1082 (target_thread_pointer): New.
1083 (arm_override_options): Handle -mtp=.
1084 (legitimize_pic_address): Ignore UNSPECs.
1085 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
1087 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
1088 (tls_get_addr_libfunc): New variable.
1089 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
1090 (arm_init_builtins): Call arm_init_tls_builtins.
1091 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
1092 (arm_encode_section_info): Call default_encode_section_info.
1093 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
1094 (enum arm_tp_type): New.
1095 (target_thread_pointer): Add declaration.
1096 (LEGITIMATE_CONSTANT_P): Handle TLS.
1097 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
1098 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
1099 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
1100 * config/arm/arm.md: Add UNSPEC_TLS.
1101 (movsi): Handle TLS.
1102 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
1104 (tls_load_dot_plus_eight): New insn and a peephole to create it.
1105 (load_tp_hard, load_tp_soft): New insns.
1106 * arm.opt: Add -mtp=.
1107 * doc/invoke.texi (ARM Options): Document -mtp.
1109 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1111 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
1112 * config/arm/libunwind.S: Include "lib1funcs.asm".
1113 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
1114 (LIB2ADDEH): Add libunwind.S.
1115 (LIB2ADDEHDEP): Add lib1funcs.asm.
1116 * mklibgcc.in: Handle asm files in libgcc_eh.a.
1118 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1121 * gcc/c.opt: Add a -lang-fortran option.
1122 * gcc/c-opts.c: Add a lang_fortran flag.
1123 (c_common_init_options): Handling the -lang-fortran option.
1124 (c_common_handle_option): Add a case for Fortran options in
1125 preprocessing. Remove cases for -ffixed-form and
1126 -ffixed-line-length. Add a case for -lang-fortran.
1128 2005-11-03 David Edelsohn <edelsohn@gnu.org>
1130 * config/rs6000/rs6000.c: Include params.h
1131 (optimization_options): Set max-grow-copy-bb-insns default to 16.
1132 (bdesc_2arg): Delete vpkuhss and vpkuwss.
1133 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
1134 (UNSPEC_VPKUWSS): Delete.
1135 (altivec_vpkuhss): Delete.
1136 (altivec_vpkuwss): Delete.
1137 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
1139 (neg_eq0<mode>): Remove final condition.
1140 (neg_eq<mode>): Remove condition and split-condition.
1142 2005-11-04 Alan Modra <amodra@bigpond.net.au>
1144 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
1145 Use associated print macros.
1147 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
1150 * diagnostic.c (diagnostic_set_info_translated): New function.
1151 (diagnostic_set_info): Use it. Add comment.
1152 * diagnostic.h (diagnostic_set_info_translated): Declare.
1154 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
1156 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
1157 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
1158 reference only if 'public' is true.
1159 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
1160 emit the .hidden directive only if the indirect reference is public.
1161 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
1162 Pass it to dw2_force_const_mem.
1163 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
1164 * dwarf2out.c (output_cfi): Adjust calls to above function.
1165 (output_call_frame_info): Likewise.
1166 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
1167 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
1169 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
1171 PR tree-optimization/24483
1172 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
1173 field to elts if possible.
1175 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
1178 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
1181 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
1183 Fix PR tree-optimization/24351
1185 * tree-ssa-structalias.c (struct variable_info): Add
1187 (get_varinfo_fc): New function to follow collapsing.
1188 (new_var_info): Set collapsed_to to NULL.
1189 (dump_constraint): Follow collapsing.
1190 (build_constraint_graph): Handle collapsing.
1191 (do_simple_structure_copy): Return false if something bad
1193 (collapse_rest_of_var): New function.
1194 (do_structure_copy): Collapse if do_simple_structure_copy returns
1197 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
1200 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
1201 expressions to a statement list instead of gimplifying them.
1203 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1205 PR rtl-optimization/23585
1206 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
1207 that can't trap plus a constant integer, if the mode has zero size.
1209 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
1212 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
1214 ("*insv<mode>_reg_extimm"): Likewise.
1216 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
1219 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
1220 c_common_type_for_mode returns an unnamed type.
1222 2005-11-02 Richard Henderson <rth@redhat.com>
1226 * dwarf2out.c (dwarf2out_reg_save_reg): New.
1227 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
1228 * function.c (assign_parms): Use calls.internal_arg_pointer.
1229 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
1231 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
1232 (TARGET_CALLS): Add it.
1233 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
1234 * targhooks.c (default_internal_arg_pointer): New.
1235 * targhooks.h (default_internal_arg_pointer): Declare.
1236 * tree.h (dwarf2out_reg_save_reg): Declare.
1237 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
1238 * config/i386/i386.c (dbx_register_map): Add return column.
1239 (dbx64_register_map, svr4_dbx_register_map): Likewise.
1240 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
1241 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
1242 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
1243 (ix86_save_reg): Save force_align_arg_pointer.
1244 (ix86_emit_save_regs): Make regno unsigned.
1245 (ix86_emit_save_regs_using_mov): Likewise.
1246 (ix86_expand_prologue): Handle force_align_arg_pointer.
1247 (ix86_expand_epilogue): Likewise.
1248 * config/i386/i386.h: (dbx_register_map): Update.
1249 (dbx64_register_map, svr4_dbx_register_map): Update.
1250 (struct machine_function): Add force_align_arg_pointer.
1251 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
1252 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
1253 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
1255 2005-11-02 Jan Hubicka <jh@suse.cz>
1258 * i386.md: Add peep2 for simplyfing array accesses.
1260 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
1263 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
1264 * config/s390/s390.c (s390_decompose_shift_count): New function.
1265 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
1266 (print_shift_count_operand): Use s390_decompose_shift_count.
1267 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
1268 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
1270 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
1273 * loop.c (loop_givs_rescan): Use force_operand to expand
1276 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
1279 * fold-const.c (build_range_check): Use unsigned when signed
1280 overflow is undefined also. If etype is subtype, make sure that
1281 the subtraction is in the supertype.
1283 2005-11-02 Richard Henderson <rth@redhat.com>
1286 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
1289 2005-11-01 Richard Henderson <rth@redhat.com>
1292 * loop.c (scan_loop): Do not propagate computations to a hard
1293 register destination with SMALL_REGISTER_CLASSES.
1295 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
1297 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
1298 costs for MULT inside PLUS or MINUS.
1300 2005-11-01 Bob Wilson <bob.wilson@acm.org>
1302 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
1303 (TRAMPOLINE_SIZE): Round up to 60.
1304 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
1306 2005-10-31 James E. Wilson <wilson@specifix.com>
1309 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
1310 ifdef. Put ifdefs around call in gen_subprogram_die.
1311 (compute_frame_pointer_to_cfa_displacement): Likewise.
1312 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
1315 PR rtl-optimization/17356
1316 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
1317 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
1319 2005-10-31 Jan Hubicka <jh@suse.cz>
1322 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
1325 * i386.c (legitimize_pic_address): Deal with large immediates.
1328 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
1329 from symbol names while computing checkup.
1332 * predict.c (predict_loops): Do not estimate more than
1333 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
1334 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
1336 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
1338 PR tree-optimization/19097
1339 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
1341 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
1343 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
1345 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
1348 * tree-inline.c (setup_one_parameter): If the init_stmt
1349 is NULL, don't insert the statement.
1351 2005-10-30 Jan Hubicka <jh@suse.cz>
1353 PR tree-optimization/24172
1354 * tree-inline.c (copy_body_r): Unshare the substituted value first.
1356 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
1358 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
1359 constants for hosts with long != 32 bits.
1361 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
1364 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
1366 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
1368 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
1369 (TARGET_MS1_16_002): New.
1370 (TARGET_MS1_16_003): New.
1372 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
1373 ("*decrement_and_branch_until_zero_no_clobber"): New.
1374 Add corresponding splitter for decrement_and_branch_until_zero
1376 Key all decrement_and_branch_until_zero patterns off of
1379 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
1382 * tree-complex.c (extract_component): Treat RESULT_DECL
1383 like the rest of the decls.
1385 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
1387 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
1388 indirect call to _mcount if the function needs a static chain.
1390 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
1391 Caroline Tice <ctice@apple.com>
1393 PR rtl-optimization/24460
1394 * dwarf2out.c (have_switched_text_sections): New boolean variable.
1395 (dwarf2out_switch_text_section): Set it to true instead of
1396 incrementing separate_line_info_table_in_use.
1397 (output_loc_list): Additionally test have_switched_text_sections.
1398 (output_ranges): Likewise.
1399 (dwarf2out_finish): Likewise.
1400 * varasm.c (assemble_start_function): Do not call
1401 insert_section_boundary_note.
1402 (assemble_end_function): If flag_reorder_blocks_and_partition,
1403 switch to the function's section before emitting the .size directive.
1404 * bb-reorder.c (insert_section_boundary_note): Staticify.
1405 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
1406 * output.h (insert_section_boundary_note): Delete.
1408 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
1411 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
1412 instead of pointer equality when comparing types.
1414 2005-10-24 James E. Wilson <wilson@specifix.com>
1416 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
1417 add_dependence_list_and_free calls.
1419 2005-10-24 Steven Bosscher <stevenb@suse.de>
1421 * contrib.texi: Add the names of the LLNL folks who donated
1422 Cray pointer support for gfortran.
1424 2005-10-24 Steven Bosscher <stevenb@suse.de>
1426 PR tree-optimization/24225
1427 * profile.c (branch_prob): Look from end to start through a
1428 basic block when looking for a locus.
1430 2005-10-24 Richard Henderson <rth@redhat.com>
1432 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
1434 (hppa_expand_prologue): Likewise.
1436 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1438 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
1439 (NO_DEFERRED_PROFILE_COUNTERS): Define.
1440 * pa.h (NO_PROFILE_COUNTERS): Define.
1441 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
1442 (funcdef_nos): New vector to hold label numbers of deferred profile
1444 (output_deferred_profile_counters): New function.
1445 (hppa_profile_hook): Push label number onto funcdef_nos.
1446 (pa_hpux_file_end): Call output_deferred_profile_counters if
1447 NO_DEFERRED_PROFILE_COUNTERS is false.
1449 * pa-protos.h (get_deferred_plabel): New prototype.
1450 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
1452 (output_call): Adjust calls.
1454 2005-10-24 Alan Modra <amodra@bigpond.net.au>
1456 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
1457 peculiarity of GOT/TOC section usage.
1459 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
1462 * c-common.c (constant_string_class_name): Add documentation.
1464 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
1467 * recog.c (peephole2_optimize): Increment peep2_current_count
1468 only when the slot is empty.
1470 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1473 * except.c (output_function_exception_table): Call
1474 assemble_external_libcall if we need a personality function.
1476 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1478 PR rtl-optimization/24460
1479 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
1480 set the basic block for barriers.
1482 2005-10-21 Janis Johnson <janis187@us.ibm.com>
1484 * var-tracking.c (vt_initialize): Initialize post.
1486 2005-10-21 Devang Patel <dpatel@apple.com>
1489 * c-common.c (vector_types_convertible_p): Check vector element type.
1491 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
1493 * config/sh/sh.c (prepare_move_operands): Handle the address
1494 constant which is a tls symbolic address plus a constant.
1496 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
1499 * gcc.c (main): Use the correct counter for erroring out
1500 about mulitple files.
1502 2005-10-21 Alan Modra <amodra@bigpond.net.au>
1505 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
1506 use r2 for 64-bit tls .got access.
1508 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
1510 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
1513 2005-10-20 Steven Bosscher <stevenb@suse.de>
1515 PR tree-optimization/24307
1516 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
1518 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
1521 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
1523 * varasm.c (find_decl_and_mark_needed): After cgraph global info
1524 is ready, stop marking functions, but still mark variables.
1526 2005-10-20 Richard Guenther <rguenther@suse.de>
1529 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
1532 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1534 PR rtl-optimization/23585
1535 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
1536 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
1537 (may_trap_p_1): New predicate extracted from...
1538 (may_trap_p): ... here. Invoke may_trap_p_1.
1539 (may_trap_or_fault_p): New predicate.
1540 * rtl.h (may_trap_or_fault_p): Declare it.
1541 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
1542 instead of may_trap_p.
1543 (steal_delay_list_from_fallthrough): Likewise.
1544 (fill_simple_delay_slots): Likewise.
1545 (fill_slots_from_thread): Likewise.
1546 * function.c (pad_to_arg_alignment): Rework comment about
1547 SPARC_STACK_BOUNDARY_HACK.
1548 * config/sparc/sparc.h: Likewise.
1550 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
1552 * config/s390/s390.c (s390_expand_insv): New.
1553 * config/s390/s390-protos.h (s390_expand_insv): Declare.
1554 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
1555 ("icm_hi"): Remove mode attribute.
1556 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
1558 ("*extracthi", "*extractqi"): Remove.
1559 (extv<mode>", "*extzv<mode>"): New.
1560 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
1561 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
1563 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1565 * cfgexpand.c (discover_nonconstant_array_refs_r,
1566 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
1567 (tree_expand_cfg): Call discover_nonconstant_array_refs.
1568 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
1569 discover_nonconstant_array_refs.
1571 2005-10-19 Steven Bosscher <stevenb@suse.de>
1574 * c-decl.c (pop_scope): Don't warn about an unused variable
1575 if it is marked with TREE_NO_WARNING.
1576 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
1577 somenow mismatch and olddecl is to be replaced.
1579 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
1582 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
1583 whether registers live on the edge can be saved/restored.
1585 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
1587 * config/sh/sh.c (fixup_mova): Skip notes.
1589 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1591 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
1592 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
1593 (s390_can_eliminate): Handle BASE_REGNUM elimination.
1594 (s390_initial_elimination_offset): Likewise.
1595 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
1596 register on TARGET_ZARCH targets.
1597 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
1598 (INITIAL_FRAME_POINTER_OFFSET): Remove.
1599 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
1600 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
1602 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1604 * config/s390/s390.md: Comment describing output modifiers updated.
1605 * config/s390/s390.c (print_operand): Likewise.
1607 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1609 * config/s390/s390.c (override_options): Added check for -mstack-size
1611 * doc/invoke.texi: Mention that limit in the documenation.
1613 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
1616 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
1618 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
1620 Fix PR tree-optimization/24231
1622 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
1623 (compute_avail): Ditto.
1625 2005-10-18 Richard Henderson <rth@redhat.com>
1628 * config/i386/i386.c (legitimate_constant_p): Check
1629 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
1631 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
1632 (legitimate_pic_address_disp_p): Reorg CONST checking to make
1633 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
1635 (print_operand_address): Likewise.
1636 * config/i386/predicates.md (x86_64_immediate_operand): Test
1637 SYMBOL_REF_TLS_MODEL properly inside CONST.
1638 (x86_64_zext_immediate_operand): Likewise.
1639 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
1640 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
1641 * config/i386/i386-protos.h: Remove predicates.md entries.
1643 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
1645 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1646 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
1648 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
1649 Ian Lance Taylor <ian@airs.com>
1652 * fold-const.c (fold_widened_comparison): Do not allow range based
1653 constant folding when right operand cannot be unwidened.
1655 2005-10-17 Richard Henderson <rth@redhat.com>
1657 * builtins.c (expand_builtin_synchronize): Build a new-style asm
1658 with a memory clobber.
1660 2005-10-17 James E Wilson <wilson@specifix.com>
1662 PR rtl-optimization/17356
1663 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
1664 checking for EDGE_EH.
1666 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1668 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
1669 the slot on an even boundary for any type with 16-byte alignment.
1671 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
1674 * md.texi (Modifiers) <%>: Clarify that % doesn't work
1675 after register allocation.
1677 2005-10-17 DJ Delorie <dj@redhat.com>
1679 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
1682 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
1685 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
1688 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
1690 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
1691 to 2 if it's already non-zero.
1692 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
1693 is set and warn about it if flag_schedule_insns is 1.
1695 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
1697 * config/crx/crx.md: Compare-and-branch instructions need to
1700 2005-10-17 Uros Bizjak <uros@kss-loka.si>
1703 * config/i386/i386.md (*pushdi2_rex64 splitter)
1704 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
1705 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
1706 flow2 pass only when (optimize > 0 && flag_peephole2).
1708 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
1711 * gcc.c (have_c): New static variable.
1713 (process_command): Remove declation of have_c.
1714 Set have_o to 1 when handling -o.
1715 (main): Add a fatel error if there are multiple
1716 files specified and -o and -c/-S is passed witout
1717 -combine or multiple languages.
1719 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
1721 Fix PR tree-optimization/22444
1722 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
1723 Assert that we don't hit something with subvars.
1724 (setup_pointers_and_addressables): Don't add things with subvars,
1725 because we'll already process the subvars for aliasing purposes.
1727 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
1730 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
1731 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
1732 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
1733 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
1734 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
1735 swapped, alternatives for the R constraint.
1738 * builtins.c (get_builtin_sync_mode): Make unlimited
1739 mode_for_size request.
1741 2005-10-15 Richard Henderson <rth@redhat.com>
1743 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
1744 (gimplify_expr): ... here.
1745 (gimplify_compound_lval): Use it in initial scan loop. Allow
1746 fb_lvalue in base expression.
1748 2005-10-15 Richard Henderson <rth@redhat.com>
1751 * builtins.c (expand_builtin_trap): Export.
1752 * expr.h (expand_builtin_trap): Declare.
1753 * expr.c (expand_assignment): Emit a trap for integral offsets
1754 from registers that weren't reduced to bitpos.
1756 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
1757 (mark_array_ref_addressable): Remove.
1758 * tree-flow.h (mark_array_ref_addressable): Remove.
1759 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
1761 2005-10-15 James E Wilson <wilson@specifix.com>
1764 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
1765 (add_dependence_list_and_free): Likewise.
1766 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
1769 2005-10-15 Diego Novillo <dnovillo@redhat.com>
1773 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
1774 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
1776 (vrp_visit_phi_node): Only prevent infinite iterations when
1777 the previous result and the new result are both VR_RANGEs.
1779 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
1781 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
1784 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1787 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
1790 2005-10-14 Per Bothner <per@bothner.com>
1792 PR preprocessor/21250
1793 * c-ppoutput.c (print_line): Print internal line 0 as 1.
1795 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
1798 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
1799 overflow flags. Refactor some conditionals.
1801 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
1804 * tree-dfa.c (add_referenced_var): Only look at decls which
1805 have TREE_CONSTANT or TREE_READONLY set instead of if
1806 !TREE_PUBLIC or !TREE_CONSTANT.
1808 2005-10-13 James E Wilson <wilson@specifix.com>
1810 * doc/invoke.texi: For -x, add f95-cpp-input.
1811 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
1813 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
1815 PR tree-optimization/24262
1816 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
1817 in loop all the time.
1819 2005-10-12 Richard Henderson <rth@redhat.com>
1822 * tree.h (DECL_TRANSPARENT_UNION): Remove.
1823 * function.c (assign_parm_find_data_types): Don't support it.
1824 * print-tree.c (print_node): Likewise.
1825 * c-common.c (handle_transparent_union_attribute): Likewise.
1826 Use build_duplicate_type.
1827 * tree-inline.c (remap_type_1): Split out of remap_type;
1828 properly remap aggregate fields.
1829 (build_duplicate_type): New.
1830 * doc/extend.texi (Variable Attributes): Remove documentation
1831 for transparent_union.
1833 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1836 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
1837 (gen_stack_pointer_dec): Likewise.
1839 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
1843 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
1845 (struct cxx): Add adjust_class_at_definition target hook.
1846 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
1847 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
1848 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
1849 hook_void_tree. Add to TARGET_CXX.
1850 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
1852 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
1853 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
1854 instead of attribute. Check for dllexport override. Warn if
1855 inconsistent dll linkage. Don't lose old dllimport if decl has
1856 had address referenced. Tweak lookup of dllimport atribute.
1857 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
1858 for target specific rules. Don't add dllimport attribute if
1859 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
1860 dllimport attribute.
1861 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
1862 * varasm.c (initializer_constant_valid_p): Replace
1863 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
1867 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
1868 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
1869 (i[34567]86-*-mingw32*): Likewise.
1871 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
1872 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
1874 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
1875 C++-specific code. Change return value to bool.
1876 (i386_pe_dllimport_p): Likewise.
1877 (associated_type): Simplify and make language-independent
1878 (i386_pe_encode_section_info): Replace override of ambiguous
1879 dllimport symbol refs with a gcc_assert.
1880 (i386_pe_valid_dllimport_attribute_p): Define.
1881 * config/i386/winnt-cxx.c: New file. Define C++ versions of
1882 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1883 i386_pe_adjust_class_at_definition.
1884 * config/i386/winnt-stubs.c: New file. Define stub versions of
1885 lang-specific functions.
1886 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
1887 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1888 i386_pe_adjust_class_at_definition.
1889 (i386_pe_valid_dllimport_attribute_p): Declare.
1890 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
1891 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
1892 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
1895 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
1896 dllimport attribute with test of DECL_DLLIMPORT_P.
1898 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
1900 * combine.c (make_extraction): Correct offset computation.
1902 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
1904 * config/cris/t-linux (LIMITS_H_TEST): Define.
1906 2005-10-12 Richard Henderson <rth@redhat.com>
1909 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
1911 2005-10-12 Richard Guenther <rguenther@suse.de>
1913 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
1915 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
1918 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
1919 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
1922 2005-10-12 Richard Guenther <rguenther@suse.de>
1925 * varasm.c (output_constant): Correct typo from previous
1928 2005-10-11 Ian Lance Taylor <ian@airs.com>
1930 PR rtl-optimization/13931
1931 * combine.c: Revert patch of 2003-05-14, and:
1932 (try_combine): Only set elim_i1 and elim_i2 if the destination is
1933 completely killed in the appropriate insn.
1934 (distribute_notes): Don't skip multiple hard register test for
1935 elim_i1 and elim_i2.
1937 2005-10-11 Richard Henderson <rth@redhat.com>
1940 * c-typeck.c (convert_for_assignment): Use build_constructor_single
1941 to initialize a transparent union instead of a nop_expr.
1943 2005-10-11 Richard Henderson <rth@redhat.com>
1945 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
1946 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
1947 (tree_ssa_dce_loop): Call scev_reset.
1950 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
1951 * tree-ssa-dce.c: Include cfgloop.h.
1952 (tree_ssa_dce_loop, pass_dce_loop): New.
1953 * tree-pass.h (pass_dce_loop): Declare it.
1954 * passes.c (init_optimization_passes): Use it.
1956 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1959 * convert.c (convert_to_real): Revert 2005-10-05 patch.
1960 Only apply the optimization for rounding builtins if the inner
1961 cast is also an extension.
1963 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
1966 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
1967 mark_new_vars_to_rename instead of update_stmt.
1969 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
1971 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
1973 2005-10-11 Jakub Jelinek <jakub@redhat.com>
1975 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
1976 for setting MMX register to 0 rather than mmx.
1978 2005-10-10 Steve Ellcey <sje@cup.hp.com>
1981 * configure.ac: Move gas check from mips specific case to common case.
1982 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
1983 * configure: Regenerate
1984 * doc/install.texi: Update.
1986 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1989 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
1991 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
1993 * gcc.c (do_spec_1): Accept numeric characters in file name
1996 2005-10-10 Nick Clifton <nickc@redhat.com>
1998 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
1999 describing the deleted arm_gen_rotated_half_load function.
2001 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
2003 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
2006 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
2008 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
2010 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
2011 (EXTRA_MULTILIB_PARTS): Define.
2012 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2013 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2014 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
2015 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2016 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2017 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
2019 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
2021 PR tree-optimization/24226
2022 * tree-cfg.c (remove_bb): Clean up unreachable loops.
2023 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
2024 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
2027 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2029 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
2031 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
2034 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
2035 Rewrite for no need for the early clobber.
2037 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
2039 Merge from csl-arm-branch:
2040 2005-09-07 Paul Brook <paul@codesourcery.com>
2041 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
2044 2005-04-30 Paul Brook <paul@codesourcery.com>
2045 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
2046 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
2048 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
2049 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
2050 (arm_override_options): Use TARGET_AAPCS_BASED.
2051 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
2052 (PTRDIFF_TYPE): Use int for AAPCS.
2053 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
2054 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
2055 (DEFAULT_SHORT_ENUMS): Delete.
2056 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
2058 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
2059 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
2060 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
2061 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
2063 2004-12-03 Mark Mitchell <mark@codesourcery.com>
2064 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
2066 2004-11-22 Mark Mitchell <mark@codesourcery.com>
2067 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
2069 2004-11-19 Mark Mitchell <mark@codesourcery.com>
2070 * config.gcc (arm*-*-linux-gnueabi): Add it.
2071 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
2073 (TARGET_OS_CPP_BUILTINS): Likeiwse.
2074 * config/arm/linux-eabi.h: New file.
2075 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
2076 (LINUX_TARET_LINK_SPEC): Likewise.
2077 (LINK_SPEC): Use it.
2078 * config/arm/t-linux-eabi: New file.
2080 2005-10-08 Steven Bosscher <stevenb@suse.de>
2083 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
2085 (PARAM_SMS_DFA_HISTORY): Likewise.
2087 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
2090 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
2091 (load_register_parameters): Call it.
2092 (check_sibcall_argument_overlap_1): Likewise.
2093 (store_one_arg): Likewise.
2095 2005-10-07 James E. Wilson <wilson@specifix.com>
2097 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
2098 DImode not VECINT24 for operand 2.
2101 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
2105 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
2106 fr_spill): Use destination_operand for operand 0.
2108 2005-10-07 DJ Delorie <dj@redhat.com>
2110 * varasm.c (output_constant): Limit error to expanding
2113 2005-10-07 Richard Guenther <rguenther@suse.de>
2116 * fold-const.c (fold_binary): Fix operand types during folding
2117 of X op (A, Y). Evaluation order of the side-effects of
2118 X and A are frontend-defined, so ensure we honour that even for
2119 tcc_comparison class operands; eased by removing duplicate code.
2121 2005-10-07 Steve Ellcey <sje@cup.hp.com>
2123 * stor-layout.c (layout_type): Do not allow alignment of array
2124 elements to be greater than their size.
2126 2005-10-07 Steve Ellcey <sje@cup.hp.com>
2128 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
2130 (hppa*-*-linux*): Ditto.
2131 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
2132 * config/host-hpux.c: New.
2133 * config/x-hpux: New.
2134 * config/pa/x-hpux: Remove.
2135 * config/pa/x-linux: Remove.
2136 * config/pa/pa-host.c: Remove.
2138 2005-10-07 Jeff Law <law@redhat.com>
2140 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
2141 determine whether or not to try and thread outgoing edges.
2143 2005-10-07 David Edelsohn <edelsohn@gnu.org>
2145 * config/rs6000/rs6000.md (eqsi_power): New.
2146 (neg_eq0si): Add TARGET_POWER to final condition.
2149 2005-10-06 Richard Henderson <rth@redhat.com>
2151 * config/rs6000/rs6000.c: Revert last change.
2153 2005-10-06 Richard Henderson <rth@redhat.com>
2155 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
2156 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
2158 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
2162 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
2163 out return_label and naked_return_label.
2165 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
2167 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
2170 2005-10-06 Richard Henderson <rth@redhat.com>
2173 * tree-inline.c (declare_return_variable): Handle modify_dest not
2176 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
2178 Fix PR tree-optimization/22488
2179 * tree-ssa-structalias.c (check_for_overlaps): New function.
2180 (create_variable_info_for): Use it.
2182 2005-10-06 Richard Henderson <rth@redhat.com>
2185 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
2186 (dwarf2out_start_source_file): Print it.
2188 2005-10-06 Geoffrey Keating <geoffk@apple.com>
2190 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
2192 2005-10-06 Richard Henderson <rth@redhat.com>
2195 * mode-switching.c (optimize_mode_switching): Clear transp bit
2196 for block with incomming abnormal edges.
2198 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
2199 (fpscr_set_from_mem): Use them.
2200 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
2201 (fpscr postinc splitters): Rewrite as peephole2+split.
2203 2005-10-06 David Edelsohn <edelsohn@gnu.org>
2205 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
2206 (eq<mode>_compare): Same.
2208 2005-10-06 Richard Guenther <rguenther@suse.de>
2210 PR tree-optimization/24238
2211 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
2213 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
2215 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
2216 here. Use AC_PATH_PROG for environment variables instead of
2218 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
2220 * configure: Regenerated.
2222 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
2225 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
2226 then force it into a register.
2227 (call_value): Likewise.
2229 2005-10-06 Richard Henderson <rth@redhat.com>
2232 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
2233 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
2234 under pass_vectorize.
2236 2005-10-05 Devang Patel <dpatel@apple.com>
2239 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
2240 handling constants. Check NAMESPACE_DECL context for constants.
2242 2005-10-05 Eric Christopher <echristo@apple.com>
2244 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
2246 2005-10-05 Richard Henderson <rth@redhat.com>
2249 * tree-cfg.c (mark_array_ref_addressable_1): New.
2250 (mark_array_ref_addressable): New.
2251 * tree-flow.h (mark_array_ref_addressable): Declare.
2252 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
2254 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
2258 * reload.c (subst_reloads): When adding a REG_LABEL to a
2259 jump instruction, also update JUMP_LABEL.
2261 2005-10-05 David Edelsohn <edelsohn@gnu.org>
2263 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
2264 * bb-reorder.c (copy_bb_p): Use it.
2265 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
2267 2005-10-05 Richard Henderson <rth@redhat.com>
2270 * toplev.c (process_options): Warn about unsupported combinations
2271 of unwind tables and omit-frame-pointer.
2272 * config/i386/i386.c (override_options): Similarly. Enable
2273 accumulate-outgoing-args if not explicitly disabled.
2275 2005-10-05 Steve Ellcey <sje@cup.hp.com>
2277 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
2278 Handle big endian vs. small endian.
2279 (vec_initv2sf): Handle big endian vs. small endian.
2280 (*vec_extractv2sf_1): Ditto.
2282 2005-10-05 Dale Johannesen <dalej@apple.com>
2284 * convert.c (convert_to_real): Don't convert
2285 (float)floor(double d) to floorf((float)d).
2287 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
2289 * config/arm/arm.md (insv): Use gen_int_mode in more places.
2291 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
2293 PR tree-optimization/18587
2294 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
2295 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
2296 build_vuses): Change to VEC type.
2297 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
2298 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
2299 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
2300 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
2301 (get_name_decl): New. Return DECL_UID of base variable.
2302 (operand_build_cmp): New. qsort comparison routine.
2303 (operand_build_sort_virtual): New. Sort virtual build vector.
2304 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
2305 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
2306 (FINALIZE_BASE): Use get_name_decl.
2307 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
2308 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
2309 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
2310 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
2311 direct VEC_* manipulations.
2312 (build_ssa_operands): Call operand_build_sort_virtual.
2313 (copy_virtual_operand, create_ssa_artficial_load_stmt,
2314 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
2315 with direct VEC_* manipulations.
2316 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
2317 with direct VEC manipulations.
2319 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
2321 PR tree-optimization/21419
2322 PR tree-optimization/24146
2323 PR tree-optimization/24151
2325 * c-typeck.c (readonly_error): Handle USE being lv_asm.
2326 (build_asm_expr): Call it if outputs are read-only.
2327 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
2329 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
2330 Paolo Bonzini <bonzini@gnu.org>
2334 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
2335 enable the instructions and not just the built-ins.
2336 * doc/invoke.texi (x86 Options): Likewise.
2338 2005-10-04 Geoffrey Keating <geoffk@apple.com>
2340 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
2342 * doc/invoke.texi (Option Summary): Correct spelling
2343 of -mmacosx-version-min.
2345 2005-10-04 Devang Patel <dpatel@apple.com>
2347 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
2350 2005-10-04 Steve Ellcey <sje@cup.hp.com>
2352 * tree-vect-transform.c (vect_create_epilog_for_reduction):
2353 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
2355 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
2357 * config/s390/s390.md ("TDSI","DP"): New mode macros.
2358 ("TE","tg"): New mode attributes.
2359 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
2360 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
2361 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
2362 dword_mode and one for GPRmode.
2364 2005-10-04 Ian Lance Taylor <ian@airs.com>
2366 PR preprocessor/13726
2367 * c-ppoutput.c (cb_include): Add comments parameter, and print out
2368 any comments passed in.
2370 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2372 * tree.c (annotate_with_file_line): Fix typo.
2374 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2377 * builtins.c (fold_builtin_memcmp): When constructing the pointer
2378 type used to access data in the inlined length == 1 case, use
2379 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
2380 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
2382 2005-10-04 Uros Bizjak <uros@kss-loka.si>
2384 * config/i386/i386.h (TARGET_FISTTP): Enable also for
2385 TARGET_SSE3 and only for TARGET_80387.
2386 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
2387 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
2388 Do not depend on TARGET_80387.
2390 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2392 * tree.c (last_annotated_node): Change type to location_t*.
2393 (annotate_with_file_line): Reflect the change of
2394 last_annotated_node type.
2396 2005-10-04 Richard Guenther <rguenther@suse.de>
2399 * c-decl.c (grokdeclarator): Don't write to fields
2402 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2405 * c-decl.c (finish_decl): Use set_user_assembler_name even for
2407 * varasm.c (make_decl_rtl): If a register variable does not
2408 have a set user assmbler name, error out.
2409 Decode the asmspec is now name+1 bypassing '*'.
2411 2005-10-04 Steven Bosscher <stevenb@suse.de>
2413 PR tree-optimization/23049
2414 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
2415 of a COND_EXPR is folded before calling fold on the whole rhs of a
2416 conditional assignment.
2417 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
2418 document that a COND_EXPR may appear there.
2420 2005-10-03 Diego Novillo <dnovillo@redhat.com>
2423 * tree-vrp.c (extract_range_from_assert): If the new numeric
2424 range created out of the assertion contradicts the existing
2425 numeric range of the ASSERT_EXPR variable, make the new range
2428 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
2430 * config/sh/sh.c (sh_register_move_cost): Add case for moving
2431 from T_REGS to FP register class.
2433 2005-10-03 Richard Henderson <rth@redhat.com>
2436 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
2437 before creating a new one.
2439 2005-10-03 David Edelsohn <edelsohn@gnu.org>
2441 * config/rs6000/t-aix43 (LDFLAGS): New.
2442 * config/rs6000/t-aix52 (LDFLAGS): New.
2444 2005-10-03 Ian Lance Taylor <ian@airs.com>
2446 * gimplify.c (find_single_pointer_decl_1): New static function.
2447 (find_single_pointer_decl): New static function.
2448 (internal_get_tmp_var): For a formal variable, set restrict base
2449 information if appropriate.
2450 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
2452 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
2453 (DECL_GET_RESTRICT_BASE): Define.
2454 (SET_DECL_RESTRICT_BASE): Define.
2455 (decl_restrict_base_lookup): Declare.
2456 (decl_restrict_base_insert): Declare.
2457 (struct tree_decl_with_vis): Add based_on_restrict_p field.
2458 * tree.c (restrict_base_for_decl): New static variable.
2459 (init_ttree): Initialize restrict_base_for_decl.
2460 (copy_node_stat): Copy restrict base information.
2461 (decl_restrict_base_lookup): New function.
2462 (decl_restrict_base_insert): New function.
2463 (print_restrict_base_statistics): New static function.
2464 (dump_tree_statistics): Call print_restrict_base_statistics.
2466 2005-10-02 Diego Novillo <dnovillo@redhat.com>
2469 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
2470 case of anti-ranges.
2472 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
2475 * c-typeck.c (tagged_tu_seen): Rename to ...
2476 (tagged_tu_seen_cache): this and add val field.
2477 (comptypes): Move functional to comptypes_internal
2478 and free tagged_tu_seen.
2479 (comptypes_internal): New function and call comptypes_internal
2480 instead of comptypes. Speed up by sibcalling
2481 tagged_types_tu_compatible_p.
2482 (alloc_tagged_tu_seen): New function
2483 (free_all_tagged_tu_seen_up_to): New function.
2484 (tagged_types_tu_compatible_p): Return the val of the seen two
2486 Add that the two types are the same to tagged_tu_seen_base
2487 if they are and call comptypes_internal instead of comptypes.
2488 <case UNION_TYPE>: Speed up common type where the fields are
2490 (function_types_compatible_p): Call comptypes_internal instead of
2492 (type_lists_compatible_p): Likewise.
2493 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
2495 2005-10-02 Matthias Klose <doko@debian.org>
2497 * doc/invoke.texi: Fix typo and speling error.
2499 2005-10-01 Richard Henderson <rth@redhat.com>
2501 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
2503 2005-10-01 Mark Mitchell <mark@codesourcery.com>
2505 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
2506 using --start-group and --end-group.
2508 2005-10-01 Diego Novillo <dnovillo@redhat.com>
2510 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
2511 FIXME note regarding quirky semantics.
2513 2005-10-01 Diego Novillo <dnovillo@redhat.com>
2516 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
2517 non-null range as a last resort.
2519 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
2520 Diego Novillo <dnovillo@redhat.com>
2523 * tree-vrp.c (extract_range_from_assert): For !=
2524 assertions, only build an anti-range if LIMIT is a
2525 single-valued range.
2527 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
2529 * arm.md (movqi): On thumb when optimizing, handle loading from
2530 memory by describing this as taking a subreg of a zero-extended load
2531 into an SImode register.
2534 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
2536 * reload1.c (merge_assigned_reloads): Do not change any
2537 RELOAD_FOR_OUTPUT_ADDRESS reloads.
2539 2005-09-30 Geoffrey Keating <geoffk@apple.com>
2541 * Makefile.in (LIPO_FOR_TARGET): Define.
2542 (STRIP_FOR_TARGET): Define.
2544 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
2545 before creating new ones. Do symlinks before creating the actual
2548 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
2549 to work out which multilibs are actually being built.
2551 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
2553 * tree-vect-transform.c, config/ms1/ms1.md,
2554 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
2555 Follow spelling conventions.
2556 * doc/invoke.texi, doc/md.texi: Fix typos.
2558 2005-09-30 Andrew Macleod <amacleod@redat.com>
2560 PR tree-optimization/21430
2561 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
2562 use operands, and set stmt pointer if need be.
2563 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
2564 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
2567 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2570 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
2572 2005-09-29 Mark Mitchell <mark@codesourcery.com>
2574 * optabs.c (expand_binop): Initialize first_pass_p.
2576 2005-09-29 Jakub Jelinek <jakub@redhat.com>
2579 * c-decl.c (c_write_global_declarations_1): If any
2580 wrapup_global_declaration_2 call returned true, restart the loop.
2582 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
2584 Fix PR tree-optimization/24117
2585 * tree-ssa-structalias.c (find_func_aliases): Strip nops
2586 before considering whether to use anyoffset.
2588 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2592 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2594 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2596 (swap_commutative_operands_with_target): New.
2598 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2601 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
2604 2005-09-29 Steven Bosscher <stevenb@suse.de>
2606 PR tree-optimization/23911
2607 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
2608 and IMAGPART_EXPR too.
2610 2005-09-28 Mark Mitchell <mark@codesourcery.com>
2613 * expmed.c (expand_shift): Move logic to reverse rotation
2614 direction when rotating by constants ...
2615 * optabs.c (expand_binop): ... here.
2616 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
2617 (ix86_rotrdi3): New pattern.
2618 (rotldi3): Handle 32-bit mode.
2619 (ix86_rotldi3): New pattern.
2621 2005-09-29 Alan Modra <amodra@bigpond.net.au>
2624 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
2625 check for numbers that need no bit twiddle.
2627 2005-09-28 Geoffrey Keating <geoffk@apple.com>
2629 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
2630 multilib to be built.
2632 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
2633 (stage1-start): Delete old libgcc and libunwind before moving
2634 anything into the stage directory.
2635 (stage2-start): Likewise.
2636 (stage3-start): Likewise.
2637 (stage4-start): Likewise.
2638 (stageprofile-start): Likewise.
2639 (stagefeedback-start): Likewise.
2640 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
2641 header in tm_file and CPU-specific t-darwin in tmake_file.
2642 (i[34567]86-*-darwin*): Don't change tm_file.
2643 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
2644 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
2645 shared library stub for target OS version.
2646 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
2647 (SHLIB_LINK): Don't make SHLIB_SOLINK.
2648 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
2649 (libgcc_s.%.dylib): New.
2651 (install-darwin-libgcc-stubs): New.
2652 (INSTALL_LIBGCC): New append.
2653 * config/i386/darwin-libgcc.10.4.ver: New.
2654 * config/i386/darwin-libgcc.10.5.ver: New.
2655 * config/i386/t-darwin: New.
2656 * config/rs6000/darwin-libgcc.10.4.ver: New.
2657 * config/rs6000/darwin-libgcc.10.5.ver: New.
2658 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
2659 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
2661 2005-09-28 Paul Brook <paul@codesourcery.com>
2663 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
2666 2005-09-28 Richard Guenther <rguenther@suse.de>
2668 PR tree-optimization/23853
2669 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
2670 host_integerp to verify misalignment value.
2672 2005-09-28 Richard Henderson <rth@redhat.com>
2674 * builtins.c (get_builtin_sync_mode): New.
2675 (expand_builtin_sync_operation): Pass in mode argument.
2676 (expand_builtin_compare_and_swap): Likewise.
2677 (expand_builtin_lock_test_and_set): Likewise.
2678 (expand_builtin_lock_release): Likewise.
2679 (expand_builtin): Update to match.
2681 2005-09-28 Nick Clifton <nickc@redhat.com>
2683 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
2684 formatting. Add check to PLUS case to ensure that the offset is
2685 within an acceptable range.
2687 * config/v850/v850.md (casesi): Disable the generation of the
2688 switch pattern as it is not being handled properly at the moment.
2690 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
2691 for when the high words are identical.
2693 2005-09-27 Richard Henderson <rth@redhat.com>
2695 * pretty-print.c (pp_base_format): Fix typo for %>.
2697 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
2698 Devang Patel <dpatel@apple.com>
2700 PR tree-optimization/23625
2701 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
2702 LABEL_EXPR, assertion check.
2704 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
2706 * optabs.c (no_conflict_move_test): Check if a result of a
2707 to-be-moved insn would be clobbered by an originally
2710 2005-09-27 Jeff Law <law@redhat.com>
2712 * passes.c (init_optimization_passes): Replace copy propagation
2713 passes immediately after DOM with phi-only copy propagation
2714 pases. Add phi-only copy propagation pass after first DOM pass.
2715 * tree-pass.h (pass_phi_only_copy_prop): Declare.
2716 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
2717 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
2718 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
2719 to init_copy_prop. Callers updated.
2720 (do_phi_only_copy_prop): New function.
2721 (pass_phi_only_copy_prop): New pass descriptor.
2723 2005-09-27 Nick Clifton <nickc@redhat.com>
2725 * libgcc2.c (__popcount_tab): Remove redundant prototype.
2727 2005-09-26 Jason Merrill <jason@redhat.com>
2730 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
2732 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
2734 2005-09-26 James E Wilson <wilson@specifix.com>
2736 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
2737 copyright. Add gcc copyright plus libgcc exception.
2738 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
2740 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
2742 2005-09-26 Jeff Law <law@redhat.com>
2744 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
2745 about when to iterate.
2747 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
2750 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
2751 for __complex__ double in -mcpu=G5 mode.
2753 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
2755 PR tree-optimization/23942
2756 * Makefile.in (SCEV_H): Depends on PARAMS_H.
2757 * tree-scalar-evolution.c: Include params.h.
2759 (follow_ssa_edge, follow_ssa_edge_in_rhs,
2760 follow_ssa_edge_in_condition_phi_branch,
2761 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
2762 Change return type to t_bool. Use a parameter to limit the size of
2763 trees that are walked before stopping
2764 (analyze_evolution_in_loop): Initialize the limit to 0.
2765 (follow_ssa_edge): Give up by returning t_dont_know if the limit
2766 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2768 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2771 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
2772 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2774 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
2776 * combine.c (make_extraction): Check for valid use of subreg.
2778 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2781 * config/i386/i386.md ("*fistdi2_1"): New pattern.
2782 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
2783 ("fist<mode>2_with_temp"): Use only register operands.
2785 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
2787 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
2788 CALL_INSN_FUNCTION_USAGE.
2790 2005-09-26 Richard Guenther <rguenther@suse.de>
2793 * gcse.c: Include hashtab.h, define ldst entry hashtable.
2794 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
2795 (ldst_entry): Use the hashtable instead of list-walking.
2796 (find_rtx_in_ldst): Likewise.
2797 (free_ldst_entry): Free the hashtable.
2798 (compute_ld_motion_mems): Create the hashtable.
2799 (trim_ld_motion_mems): Remove entry from hashtable if
2800 removing it from list.
2801 (compute_store_table): Likewise^2.
2802 (store_motion): Free hashtable in case we did not see
2805 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
2807 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2808 and arg1 if we are passing them to fold_build2.
2810 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
2813 * config/i386/i386.c (ix86_function_regparm): Fix the test for
2816 2005-09-25 Richard Henderson <rth@redhat.com>
2818 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
2819 SYMBOL_REF_TLS_MODEL to be correct.
2821 2005-09-24 Richard Henderson <rth@redhat.com>
2823 * ipa-type-escape.c (discover_unique_type): Remove dead code at
2824 end of function. Reindent.
2826 2005-09-24 Ian Lance Taylor <ian@airs.com>
2828 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
2829 NEGATE_EXPR/BIT_NOT_EXPR case.
2831 2005-09-24 Richard Henderson <rth@redhat.com>
2833 * c-common.c (handle_mode_attribute): When not modifying in place,
2834 create subtypes for enumerations.
2835 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
2836 * gimplify.c (create_tmp_from_val): Likewise.
2838 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
2840 * config/i386/i386.md (*tls_global_dynamic_64,
2841 *tls_local_dynamic_base_64): Add missing mode to call.
2842 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
2844 2005-09-24 Jan Hubicka <jh@suse.cz>
2846 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
2847 (cgraph_clone_node): Likewise.
2848 * cgraph.h (cgraph_clone_edge): Update prototype.
2849 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
2850 duplicated prototypes; add updating argument.
2851 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
2852 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
2854 (cgraph_mark_inline_edge): Likewise.
2855 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
2856 (cgraph_flatten_node): Likewise.
2857 (cgraph_decide_recursive_inlining): Likewise.
2858 (cgraph_decide_inlining_of_small_function): Likewise.
2859 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2861 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2862 Pete Steinmetz <steinmtz@us.ibm.com>
2864 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
2865 (rldic.): Set type to "compare".
2867 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
2868 mfjmpr for MFCTR/MFLR.
2869 (movdf_hardfloat64): Same.
2870 (movdf_softfloat64): Same. Correct order of store and move types.
2871 (movti_string): Set type to store_ux/load_ux.
2872 (load_multiple): Set type to load_ux.
2873 (store_multiple): Set type to store_ux.
2874 (movmemsi): Set type to store_ux.
2875 (output_cbranch direct_return): Set type to jmpreg.
2876 (stmw): Set type to store_ux.
2877 (lmw): Set type to load_ux.
2878 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
2879 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
2880 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
2881 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
2882 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
2883 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
2884 (rios1-fpstore): Increase latency to 3.
2885 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
2886 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
2888 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2889 Andrew Pinski <pinskia@physics.uc.edu>
2891 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
2892 operand2 constraint to "b".
2893 (sync_<fetchop_name>di_internal): Same.
2894 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
2896 (sync_old_<fetchop_name>di_internal): Same.
2897 (sync_new_<fetchop_name>si_internal): Same.
2898 (sync_new_<fetchop_name>di_internal): Same.
2900 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
2903 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
2904 case, define as macros.
2906 PR rtl-optimization/23837
2907 * optabs.c (no_conflict_move_test): Don't set must_stay for a
2908 clobber / clobber match between dest and p->first.
2910 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
2911 (no_conflict_move_test): Update comments.
2913 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2915 * doc/install.texi: Update URL for Jacks.
2916 * doc/sourcebuild.texi: Likewise.
2918 2005-09-22 David Edelsohn <edelsohn@gnu.org>
2921 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
2922 registers when choosing register preferences.
2923 (movdf_hardfloat64): Same.
2925 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
2927 * expmed.c (expand_shift): Don't use the target of the rotate as
2928 target for the first expanded shift insn.
2929 * testsuite/gcc.dg/20050922-1.c: Testcase added.
2931 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
2933 PR tree-optimization/22438
2934 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
2935 preserved iv rhs rewriting specially.
2937 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
2939 * tree-data-ref.c (analyze_array_indexes): Only estimate when
2940 estimate_only is true.
2941 * tree-flow.h (ref_contains_indirect_ref): New prototype.
2942 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
2943 tree-ssa-structalias.c
2944 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
2945 ref_contains_indirect_ref.
2946 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
2948 2005-09-21 DJ Delorie <dj@redhat.com>
2950 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
2952 (mn10300_return_in_memory): Support variable size types also.
2953 (mn10300_pass_by_reference): Likewise.
2954 (mn10300_function_value): New.
2955 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
2956 (FUNCTION_OUTGOING_VALUE): Likewise.
2957 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
2958 * doc/invoke.texi: Document it.
2960 2005-09-21 Uros Bizjak <uros@kss-loka.si>
2963 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
2964 force integer op1 into register for XFmode compares.
2966 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2969 * expmed.c (alg_code): Add alg_impossible.
2970 (alg_hash_entry): Add cost.
2971 (synth_mult): Record alg_impossible in the hash table if
2972 multiplication by a given integer is impossble within the
2973 limit. Speed up using alg_impossible.
2975 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2977 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
2978 argument. Allow and set any offset if needs_anyoffset is passed
2980 (get_constraint_for): Add argument here too.
2982 (do_structure_copy): Pass NULL to get_constraint_for.
2983 (handle_ptr_arith): Ditto.
2984 (find_func_aliases): Ditto.
2986 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
2988 PR rtl-optimization/23898
2989 * output.h (get_attr_min_length): Declare.
2990 * final.c (get_attr_length_1): New function, broken out of:
2992 (get_attr_min_length): New function.
2993 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
2994 (duplicate_computed_gotos): Likewise.
2995 * genattr.c (insn_min_length): Generate declaration.
2996 * genattrtab.c (min_fn, min_attr_value): New functions.
2997 (make_length_attrs): Generate insn_min_length.
2999 2005-09-20 Steve Ellcey <sje@cup.hp.com>
3001 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
3003 2005-09-20 Richard Henderson <rth@redhat.com>
3005 PR tree-optimization/24059
3006 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
3009 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
3011 * c.opt (fextended-identifiers): New.
3012 * c-opts.c (c_common_handle_option): Handle
3013 -fextended-identifiers.
3014 * doc/cpp.texi: Update documentation of extended identifiers.
3015 * doc/cppopts.texi (-fextended-identifiers): Document.
3017 2005-09-20 Jakub Jelinek <jakub@redhat.com>
3019 PR tree-optimization/23929
3020 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
3023 PR tree-optimization/23818
3024 * tree-stdarg.c (execute_optimize_stdarg): Call
3025 calculate_dominance_info.
3027 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3029 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
3030 (analyze_siv_subscript_cst_affine): Add weak SIV test.
3031 (compute_overlap_steps_for_affine_1_2): Use
3032 get_number_of_iters_for_loop.
3033 (analyze_subscript_affine_affine): Check whether difference is
3035 Use get_number_of_iters_for_loop.
3036 Check whether overlap occurs outside of bounds.
3037 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
3039 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
3041 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
3042 base register if possible.
3044 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
3046 PR tree-optimization/18463
3047 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
3048 converting it directly is not possible.
3049 (chrec_convert_aggressive): New function.
3050 * tree-chrec.h (chrec_convert_aggressive): Declare.
3051 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
3052 Fold chrec conversions aggressively if asked to.
3053 (instantiate_parameters): Modified because of changes in
3054 instantiate_parameters_1.
3056 2005-09-19 Richard Henderson <rth@redhat.com>
3058 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
3059 (reduc_splus_v2df): New.
3061 2005-09-19 Richard Sandiford <richard@codesourcery.com>
3063 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
3064 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
3066 2005-09-19 Richard Henderson <rth@redhat.com>
3068 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
3071 2005-09-19 Richard Henderson <rth@redhat.com>
3073 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
3074 (ia64_expand_dot_prod_v8qi): New.
3075 * config/ia64/ia64-protos.h: Update.
3076 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
3077 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
3078 sdot_prodv8qi, sdot_prodv4hi): New.
3079 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
3081 2005-09-19 Richard Henderson <rth@redhat.com>
3084 * real.c (exact_real_truncate): Return false if the format cannot
3085 represent the number as a normal.
3087 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
3088 for a memory source.
3090 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
3092 * tree-ssa-operands.c (swap_tree_operands): Export.
3093 * tree.h (swap_tree_operands): Declare.
3094 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
3095 Call swap_tree_operands.
3097 2005-09-19 Richard Henderson <rth@redhat.com>
3099 * tree-flow.h (merge_alias_info): Declare.
3100 * tree-ssa-copy.c (merge_alias_info): Export.
3101 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
3102 (vect_create_data_ref_ptr): Use create_iv directly.
3103 (vectorizable_load): Use correct types for integer constants.
3104 (vect_generate_tmps_on_preheader): Likewise.
3105 (vect_gen_niters_for_prolog_loop): Likewise.
3107 2005-09-19 Steven Bosscher <stevenb@suse.de>
3109 PR rtl-optimization/23943
3110 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
3112 2005-09-18 Jan Hubicka <jh@suse.cz>
3114 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
3116 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
3118 * varasm.c (output_constant): Do not abort on conversions to union
3119 types between different sizes.
3121 2005-09-18 Richard Guenther <rguenther@suse.de>
3124 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
3127 2005-09-18 Paul Brook <paul@codesourcery.com>
3129 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
3131 2005-09-17 Richard Henderson <rth@redhat.com>
3133 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
3134 * tree-ssa-loop.c (pass_vect_dce): Remove.
3135 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
3138 2005-09-17 Richard Henderson <rth@redhat.com>
3140 * tree-pass.h (pass_vect_dce): Declare.
3141 * passes.c (init_optimization_passes): Add it.
3142 * tree-flow.h (tree_ssa_dce): Declare.
3143 * tree-ssa-dce.c (tree_ssa_dce): Export.
3144 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
3145 (gate_tree_vectorize): ... here.
3146 (pass_vect_dce): New.
3148 2005-09-17 Jan Hubicka <jh@suse.cz>
3150 * except.c (struct eh_status): Turn region_array into vec.
3151 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
3152 convert_from_eh_region_ranges, find_exception_handler_labels,
3153 current_function_has_exception_handlers, assign_filter_values,
3154 build_post_landing_pads, dw2_build_landing_pads,
3155 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
3156 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
3157 foreach_reachable_handler, can_throw_internal_1,
3158 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
3160 (duplicate_eh_region_1): Update region_array.
3161 (duplicate_eh_regions): Resize region_array and avoid recomputing.
3163 2005-09-17 David Edelsohn <edelsohn@gnu.org>
3166 * expmed.c (expand_mult): Substitute simple register for op0 when
3169 2005-09-17 Richard Henderson <rth@redhat.com>
3171 * expr.c (emit_move_via_integer): Add force argument, pass it on
3172 to emit_move_change_mode. Update callers.
3173 (emit_move_complex): Pass true to new force argument.
3174 * function.c (expand_function_end): Move expand_eh_return call
3175 earlier. Merge sub-word complex values into a pseudo before
3176 copying to the return hard register.
3178 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
3180 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
3181 between different sizes.
3183 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
3187 * passes.c (init_optimization_passes): Register dump files for
3190 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
3192 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
3193 * config/s390/s390.c (s390_overlap_p): New function.
3194 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
3195 peephole2, "*xc" peephole2): Added overlap check to the peephole2
3198 2005-09-16 Richard Guenther <rguenther@suse.de>
3200 * ipa-pure-const.c (static_execute): Free auxiliar information.
3201 * ipa-type-escape.c (discover_unique_type): Free temporary key.
3202 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
3204 2005-09-15 DJ Delorie <dj@redhat.com>
3206 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
3208 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3210 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3212 (swap_commutative_operands_with_target): New.
3214 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
3216 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
3219 (estimate_iters_using_array): New function.
3220 * tree-data-ref.h (estimate_iters_using_array): Prototype
3221 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3222 Use estimate_iters_using_array instead of analyze_array.
3224 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
3226 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
3229 2005-09-15 Michael Matz <matz@suse.de>
3231 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
3233 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
3235 PR tree-optimization/23835
3236 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
3237 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
3239 2005-09-14 Richard Henderson <rth@redhat.com>
3241 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
3242 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
3244 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
3246 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
3247 in the ARRAY_TYPE case.
3249 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
3251 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
3253 2005-09-14 Uros Bizjak <uros@kss-loka.si>
3256 * tree-vect-transform.c (vectorizable_operation): Return false for
3257 scalar shift operations and for vector shift operations with
3258 non-invariant shift arguments. Use scalar tree operand op1 as
3259 a shift operand when vector shift insn pattern uses scalar shift
3261 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
3263 2005-09-14 Olivier Hainque <hainque@adacore.com>
3265 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
3266 value if it has side-effects.
3268 2005-09-14 David Edelsohn <edelsohn@gnu.org>
3271 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
3273 2005-09-14 Alan Modra <amodra@bigpond.net.au>
3275 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
3276 passed as NAME as if it were label at start of function code.
3278 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
3280 * config/sh/sh.md (*movv4sf_i): Add general register cases to
3283 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3285 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
3286 as early clobber. Rewrite so the PIC register is not implicitly used.
3288 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3290 * tree.c (annotate_with_file_line): Compare line numbers before
3293 2005-09-13 Uros Bizjak <uros@kss-loka.si>
3296 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
3297 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
3299 2005-09-13 Ian Lance Taylor <ian@airs.com>
3301 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
3302 than a HOST_WIDEST_INT to gen_doloop_begin.
3304 2005-09-13 Diego Novillo <dnovillo@redhat.com>
3306 * tree-dfa.c (dump_variable): Guard against NULL annotations.
3308 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
3310 PR tree-optimize/23817
3311 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
3313 2005-09-13 Alan Modra <amodra@bigpond.net.au>
3316 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
3317 word before changing the stack pointer. Use gen_frame_mem for MEMs.
3318 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
3319 (restore_stack_nonlocal): Likewise.
3320 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
3322 2005-09-12 Ian Lance Taylor <ian@airs.com>
3325 * c.opt (ffriend-injection): New C++ option.
3326 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
3327 (C++ Dialect Options): Document -ffriend-injection.
3329 2005-09-12 Josh Conner <jconner@apple.com>
3332 * ipa-reference.c (static_execute): Don't mark variables in
3333 named sections TREE_READONLY.
3335 2005-09-12 Alan Modra <amodra@bigpond.net.au>
3337 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
3340 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3342 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
3343 V_MUST_DEF instead of just the first_use_p.
3344 Don't mark the virtual variables for renaming on the statement which
3346 (pass_dse): Remove TODO_update_ssa.
3348 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
3351 * stor-layout.c (compute_record_mode): For records with a single
3352 field, actually check the field's mode size against the type size.
3354 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
3355 registers for TARGET_SHMEDIA.
3356 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
3357 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
3358 of GENERAL_REGS and FP_REGS.
3360 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
3362 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
3364 2005-09-12 Alan Modra <amodra@bigpond.net.au>
3366 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
3367 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
3368 are omitted. Exclude stack_tie insn too.
3370 2005-09-11 David Edelsohn <edelsohn@gnu.org>
3372 PR rtl-optimization/23098
3373 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
3375 * config/rs6000/rs6000.md (movdf splitter): Use
3376 const_double_operand predicate for TARGET_POWERPC64.
3377 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
3378 SYMBOL_REF method to ABI_V4.
3380 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
3381 replace_equiv_address.
3382 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
3383 rs6000_sr_alias_set and MEM_NOTRAP.
3384 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
3386 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
3388 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
3389 handle CALL_EXPR again.
3391 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
3393 * arm/predicates.md (alignable_memory_operand): Delete.
3395 2005-09-10 Richard Henderson <rth@redhat.com>
3398 * dbxout.c (dbxout_expand_expr): New.
3399 (dbxout_symbol): Use it.
3401 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
3403 * arm.c (arm_gen_rotated_half_load): Delete.
3404 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
3405 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
3406 (thumb_set_return_address): Likewise.
3407 (thumb_load_double_from_address): Use adjust_address.
3408 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
3409 (extendhsisi2_mem, movhi_bytes): Use change_address.
3410 (movhi): Use widen_memory_access.
3411 (reload_out_df): Use replace_equiv_address.
3412 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
3414 2005-09-09 Richard Henderson <rth@redhat.com>
3417 * dbxout.c: Include expr.h.
3418 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
3419 (dbxout_symbol): Handle DECL_VALUE_EXPR.
3420 * Makefile.in (dbxout.o): Add EXPR_H.
3422 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
3424 PR tree-optimization/23509
3425 * tree-cfg.c (replace_uses_by): Use replace_exp.
3426 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
3427 pointers have name_mem_tag or type_mem_tag set.
3429 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
3431 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
3432 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
3433 of wrongly accessing operands.
3435 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
3437 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
3438 * tree-chrec.c: Include tree-scalar-evolution.h.
3439 (chrec_convert): Instantiate the base and step before calling
3440 scev_probably_wraps_p that would fail on parametric evolutions.
3441 Collect all the fails into a single section failed_to_convert,
3442 print a diagnostic, and return chrec_dont_know instead of calling
3444 * tree-scalar-evolution.c (loop_closed_phi_def): New.
3445 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
3447 (scev_const_prop): Don't replace the definition of a loop closed ssa
3448 phi node by itself, or by another loop closed ssa phi node.
3449 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
3450 that base and step are defined.
3452 2005-09-09 Richard Guenther <rguenther@suse.de>
3455 * fold-const.c (fold_ternary): Check truth_value_p before
3456 calling invert_truthvalue.
3458 2005-09-09 Nick Clifton <nickc@redhat.com>
3460 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
3461 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
3462 dimension of these arrays.
3463 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
3465 * longlong.h: Only provide a prototype for the __clz_tab[] array
3466 if this header has not been included from libgcc2.h.
3467 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
3469 Provide prototypes for exported functions.
3470 Use the __clz_tab[] and __popcount_tab[] arrays provided by
3473 2005-09-08 Josh Conner <jconner@apple.com>
3477 * expr.c (expand_expr_addr_expr_1): Don't invoke
3478 expand_simple_binop for EXPAND_INITIALIZER.
3480 2005-09-08 Richard Henderson <rth@redhat.com>
3483 * toplev.c (wrapup_global_declaration_1): Split out ...
3484 (wrapup_global_declaration_2): ... from ...
3485 (wrapup_global_declarations): ... here. Return bool.
3486 (check_global_declaration_1): Split out ...
3487 (check_global_declarations): from here.
3488 (emit_debug_global_declarations): New.
3489 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
3490 check_global_declaration_1, emit_debug_global_declarations): Declare.
3491 * c-decl.c (c_write_global_declarations_1): Don't create a vector
3492 of decls. Call wrapup_global_declaration_1,
3493 wrapup_global_declaration_2, check_global_declaration_1 directly.
3494 (c_write_global_declarations_2): New.
3496 (c_write_global_declarations): Call c_write_global_declarations_2.
3497 * langhooks.c (write_global_declarations): Call
3498 emit_debug_global_declarations.
3500 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
3501 remove decls that have DECL_RTL_SET_P.
3502 * passes.c (rest_of_decl_compilation): Invoke
3503 cgraph_varpool_finalize_decl for all but functions.
3505 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
3507 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
3508 the result of a conversion if the new min and max cannot be compared.
3510 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
3512 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
3513 (override_options): Setting s390_sr_alias_set removed.
3514 (save_fpr, save_gprs): Set alias set to vararg or frame.
3515 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
3516 s390_sr_alias_set with get_frame_alias_set ().
3517 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
3518 get_varargs_alias_set ().
3520 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
3524 * c-parser.c (c_parser_objc_method_definition): If the next
3525 token is not "{", error out and don't start the function.
3527 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
3529 * tree-vrp.c (extract_range_from_expr): Move the check for non
3530 nullness after the check for gimple invariant.
3532 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3534 * tree.c (host_integerp, tree_low_cst): Correct function comment.
3536 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3539 * config/m32r.md (movmemsi_internal): Canonicalize order of
3540 operands in PLUS component of template.
3542 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
3544 * reload1.c (fixup_eh_region_note): Remove assertion.
3545 (fixup_abnormal_edges): Reverted removal of call to
3546 find_many_sub_basic_blocks made on 2005-08-31.
3548 2005-09-07 Richard Henderson <rth@redhat.com>
3550 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
3551 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
3552 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
3553 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
3554 rearrange for better packing.
3555 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
3556 (lookup_cfa_1): Remove inline marker.
3557 (cfa_equal_p): Split out of ...
3558 (def_cfa_1): ... here. Use INVALID_REGNUM.
3559 (build_cfa_loc): Handle !cfa->indirect.
3560 (frame_pointer_cfa_offset): New.
3561 (dbx_reg_number): Assert register elimination performed; do
3562 leaf register remapping.
3563 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
3564 (eliminate_reg_to_offset): New.
3565 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
3566 for verifiably local stack frame addresses; re-base to CFA.
3567 (mem_loc_descriptor): Remove can_use_fbreg argument.
3568 (concat_loc_descriptor, loc_descriptor): Likewise.
3569 (containing_function_has_frame_base): Remove.
3570 (rtl_for_decl_location): Don't do register elimination or
3571 leaf register remapping here.
3572 (secname_for_decl): Split out from ..
3573 (add_location_or_const_value_attribute): ... here.
3574 (convert_cfa_to_loc_list): New.
3575 (compute_frame_pointer_to_cfa_displacement): New.
3576 (gen_subprogram_die): Use them.
3577 * tree.h (frame_base_decl): Remove.
3578 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
3579 (prologue_stack_adjust): Remove.
3580 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
3581 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
3582 (set_frame_base_location): Remove.
3583 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
3584 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
3585 (vt_add_function_parameters): Don't eliminate_regs.
3586 (vt_initialize): Don't create frame_base_decl.
3588 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3590 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
3591 version of GNU binutils for 4.x and later.
3593 2005-09-06 Mark Mitchell <mark@codesourcery.com>
3595 * ggc-page.c (ggc_push_context): Remove.
3596 (ggc_pop_context): Likewise.
3597 * ggc.h (ggc_push_context): Remove.
3598 (ggc_pop_context): Likewise.
3600 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3603 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
3604 returning from an interrupt handler.
3606 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3609 * config/arc/arc.c (output_shift): Add check for loop count when
3612 2005-09-06 Steven Bosscher <stevenb@suse.de>
3614 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
3616 (abs_replacement): Likewise.
3617 (pass_phiopt): Remove TODO_update_ssa.
3619 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3622 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
3623 if "return with no value, in function returning non-void" warning
3625 * tree-cfg.c (execute_warn_function_return): Don't look at
3626 RETURN_EXPRs with TREE_NO_WARNING set.
3629 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
3630 for internal functions doesn't use registers used by global registers
3631 variables. Use fewer register parameters if there are global register
3634 2005-09-06 Olivier Hainque <hainque@adacore.com>
3635 Eric Botcazou <ebotcazou@adacore.com>
3638 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
3639 when we would be extracting outside its bit span (bitpos+bitsize
3640 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
3641 Ada unchecked conversions.
3643 2005-09-06 Steven Bosscher <stevenb@suse.de>
3645 * tree-ssa-pre.c (try_look_through_load): New function.
3646 (compute_avail): Use it to try to look through loads for some
3647 more useful expressions.
3649 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3651 * simplify-rtx.c (simplify_binary_operation_1): Correct the
3652 condition for detecting cases like (a&a) and (a^a).
3654 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
3656 * common.opt: Add option ftree-vect-loop-version.
3657 * params.def: Add --param vect-max-version-checks.
3658 * doc/invoke.texi: Document ftree-vect-loop-version and
3659 --param vect-max-version-checks.
3660 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
3661 may_misalign_stmts and defines for accessors.
3662 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
3663 LOOP_VINFO_MAY_MISALIGN_STMTS.
3664 (destroy_loop_vec_info): VEC_free for
3665 LOOP_VINFO_MAY_MISALIGN_STMTS.
3666 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3667 Update documentation.
3668 (vect_update_misalignment_for_peel): New.
3669 (vect_enhance_data_refs_alignment): Update to choose loop
3670 peeling or loop versioning if appropriate for the (potentially)
3671 unaligned data references in the loop.
3672 (vect_analyze_data_refs_alignment): Remove call to
3673 vect_enhance_data_refs_alignment so the checks can be done
3675 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
3676 and move up call to vect_analyze_data_refs_alignment.
3677 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
3678 (vect_transform_loop): Add call to loop_version.
3680 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3682 PR rtl-optimization/23098
3683 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
3684 * simplify-rtx.c (constant_pool_reference_p): New function.
3685 * rtl.h (constant_pool_reference_p): New prototype.
3686 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
3687 constant_pool_reference_p in condition and
3688 avoid_constant_pool_reference in preparation statements.
3690 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
3692 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
3693 STRICT_LOW_PART SETs.
3695 2005-09-06 Alan Modra <amodra@bigpond.net.au>
3698 * except.c (sjlj_emit_function_enter): Find the function begin
3699 note even when it's not in first basic block.
3701 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
3703 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
3704 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
3705 * aclocal.m4: Regenerate.
3707 2005-09-05 DJ Delorie <dj@redhat.com>
3709 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
3712 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
3714 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
3715 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
3716 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
3717 Follow spelling conventions.
3718 * doc/invoke.texi: Follow spelling conventions.
3720 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3722 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
3723 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
3724 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
3726 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3729 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
3730 (output_stack_adjust): Use gen_tmp_stack_mem.
3731 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
3732 (sh_set_return_address, sh_allocate_initial_value): Likewise.
3733 (sh_get_pr_initial_val): Likewise.
3734 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
3735 (sh_initialize_trampoline): Likewise. Also use adjust_address.
3736 * sh.md (divsi_inv_m0): Use gen_const_mem.
3737 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
3738 (movdf_i4+1): Use gen_tmp_stack_mem.
3739 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
3740 (fpu_switch+2): Likewise.
3741 (movv4sf_i, movv16sf_i): Use adjust_address.
3742 (symGOT_load): Set MEM_NOTRAP_P bit.
3744 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3747 * pa.c (emit_move_sequence): Fix typo in last change.
3749 2005-09-03 Jakub Jelinek <jakub@redhat.com>
3751 PR rtl-optimization/23454
3752 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
3755 2005-09-03 Richard Henderson <rth@redhat.com>
3756 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3759 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
3762 2005-09-02 Nicolas Pitre <nico@cam.org>
3764 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
3765 to bit_count to 32 bits.
3767 2005-08-31 Mark Mitchell <mark@codesourcery.com>
3770 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
3771 generating synthetic loads from volatile lvalues.
3773 005-09-02 Nick Clifton <nickc@redhat.com>
3775 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
3776 __ctzhi2, __clzhi2): New functions.
3778 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
3781 * tree-nested.c (struct var_map_elt): Mark with GTY.
3782 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
3784 (lookup_field_for_decl): Allocate new element in GC memory.
3785 (lookup_tramp_for_decl): Likewise.
3786 (convert_nl_goto_reference): Likewise
3787 (create_nesting_tree): Allocate info in GC memory. Likewise for
3789 (free_nesting_tree): Free with ggc_free instead of free.
3790 (root): New static variable.
3791 (lower_nested_functions): Remove root as local variable. And zero out
3792 root at the end of the function.
3794 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
3796 PR rtl-optimization/20365
3797 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
3798 to short. New member ix.
3799 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
3800 (simplify_plus_minus): Initialize ix members before calling qsort.
3802 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
3804 PR tree-optimization/23626
3805 * tree-cfg.c (replace_uses_by): Clean up eh info.
3807 2005-09-01 DJ Delorie <dj@redhat.com>
3809 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
3812 2005-09-01 David Edelsohn <edelsohn@gnu.org>
3814 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
3815 (rs6000_split_multireg_move): Use replace_equiv_address instead of
3818 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
3820 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
3821 do not issue warning for a variable definition following
3824 2005-09-01 Richard Henderson <rth@redhat.com>
3827 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
3828 conversion to CONST_VECTOR.
3830 2005-09-01 Richard Henderson <rth@redhat.com>
3833 * reload1.c (reload_as_needed): Check !CALL_P before calling
3834 fixup_eh_region_note.
3835 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
3837 2005-09-01 DJ Delorie <dj@redhat.com>
3839 * varasm.c (output_constant): Let the target resolve
3840 conversions of addresses to non-default pointer sizes.
3842 2005-09-01 Nicolas Pitre <nico@cam.org>
3844 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
3845 to alow matching ARM pre-indexed addressing mode.
3846 (arm_override_options): Remove now irrelevant comment.
3848 2005-09-01 Phil Edwards <phil@codesourcery.com>
3850 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
3851 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
3852 * config/i386/vxworks.h: Likewise.
3853 * config/i386/t-vxworksae: New file, for VxWorks AE.
3854 * config/i386/vxworksae.h: Likewise.
3856 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
3858 PR tree-optimization/23410
3859 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
3860 sequence is not wrapping during the first step.
3862 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3865 * dwarf2out.c (base_type_die): Compare char_type_node with
3866 TYPE_MAIN_VARIANT (type), not type.
3868 2005-09-01 Richard Guenther <rguenther@suse.de>
3870 PR tree-optimization/15366
3871 * common.opt: Add -finline-functions-called-once.
3872 Put -fearly-inlining in alphabetically ordered place.
3873 * doc/invoke.texi: Document new option.
3874 * ipa-inline.c (cgraph_decide_inlining): Honour
3875 flag_inline_functions_called_once.
3877 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3879 PR rtl-optimization/23478
3880 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
3881 (alloc_qty): Initialize it.
3882 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
3883 (combine_regs): Combine also n_throwing_calls_crossed fields.
3884 (find_free_reg): Don't attempt to caller-save pseudos crossing
3885 calls that might throw.
3886 * global.c (struct allocno): Add throwing_calls_crossed field.
3887 (global_alloc): Revert 2005-08-22 change. Initialize
3888 throwing_calls_crossed.
3889 (find_reg): Don't attempt to caller-save pseudos crossing calls that
3892 2005-09-01 Alan Modra <amodra@bigpond.net.au>
3895 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
3896 (mask64_operand): Reinstate code prior to 2005-06-11 change.
3897 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
3898 (and64_2_operand): Tweak to use predicate.
3899 (and_operand): Adjust for mask_operand changes.
3900 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
3901 (print_operand): Likewise.
3902 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
3903 (mask64_1or2_operand): Delete.
3904 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
3905 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
3906 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
3907 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
3908 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
3909 (rotldi3_internal4): Likewise.
3910 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
3911 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
3912 (ashldi3_internal7): Likewise.
3913 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
3914 (ashldi3_internal, ashldi3_internal9 split): Likewise.
3915 (anddi3 split): Don't match mask64_operand.
3916 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
3917 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
3918 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
3919 't' splitter predicate.
3920 (movdi_internal64 + 2): Revert 2005-06-11 change.
3922 2005-08-31 DJ Delorie <dj@redhat.com>
3924 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
3925 (m32c_asm_integer): Add support for 32 bit pointers.
3927 2005-08-31 Richard Henderson <rth@redhat.com>
3929 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
3930 component-like references for setting MEM_NOTRAP_P.
3932 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
3933 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
3935 2005-08-31 Richard Henderson <rth@redhat.com>
3937 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
3938 into a pseudo before applying gen_lowpart.
3940 2005-08-31 Geoffrey Keating <geoffk@apple.com>
3942 * doc/install.texi (Specific): Update cctools version required
3943 for full functionality.
3944 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
3945 linkers as -macosx_version_min.
3947 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
3950 * sh.c (print_operand, %R and %S): Add handling of floating point
3951 registers, memory, constants and invalid operands.
3953 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
3955 * ipa-pure-const.c: Change dump name.
3957 2005-08-31 Uros Bizjak <uros@kss-loka.si>
3960 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
3961 to "reg_or_0_operand".
3962 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
3964 2005-08-31 Dale Johannesen <dalej@apple.com>
3966 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
3967 loops that count down.
3969 2005-08-31 Richard Henderson <rth@redhat.com>
3972 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
3973 (fixup_eh_region_note): New.
3974 (reload_as_needed): Call it.
3975 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
3976 don't call find_many_sub_basic_blocks; call verify_flow_info.
3977 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
3978 (keep_stack_depressed): Likewise.
3979 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
3981 2005-08-31 Richard Henderson <rth@redhat.com>
3983 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
3986 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
3988 * expr.c (expand_expr_real_1): Compare size of address
3989 mode to target's address mode size in deciding expansion of
3990 the constant address.
3992 2005-08-31 Richard Guenther <rguenther@suse.de>
3995 * expr.c (all_zeros_p): New function.
3996 (expand_expr_real_1): Handle the case of an all-zero
3997 non-addressable constructor separately.
3999 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
4001 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
4002 arguments, adjust all callers.
4003 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
4005 2005-08-30 Richard Henderson <rth@redhat.com>
4008 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
4009 whenever the mode sizes match.
4011 2005-08-31 Alan Modra <amodra@bigpond.net.au>
4013 * calls.c (load_register_parameters): Fix comment typo.
4014 * expr.c (emit_push_insn): Comment formatting.
4016 2005-08-30 Ian Lance Taylor <ian@airs.com>
4018 * config/i386/x-cygwin (host-cygwin): Change dependency from
4019 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
4021 2005-08-29 Geoffrey Keating <geoffk@apple.com>
4023 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
4026 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4029 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
4030 call to ggc_collect.
4032 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
4035 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
4036 beginning. Remove $(INCLUDES) from all the rules, if following
4037 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
4039 2005-08-29 Jakub Jelinek <jakub@redhat.com>
4042 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
4043 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
4044 not constant, but maxlen is, don't set len to maxlen, rather
4045 set maxlen to len if len is a constant.
4047 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
4049 PR tree-optimization/23475
4050 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
4053 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
4055 Fix PR middle-end/22455
4057 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
4058 Checksum only the parts of the tree that exist for the tree code.
4060 2005-08-28 Dale Johannesen <dalej@apple.com>
4062 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
4064 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
4066 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
4068 2005-08-28 Richard Henderson <rth@redhat.com>
4070 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
4071 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
4074 2005-08-28 Jakub Jelinek <jakub@redhat.com>
4077 * builtins.c (get_memory_rtx): Don't strip nops
4078 in between COMPONENT_REFs.
4080 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
4083 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
4085 (gimplify_modify_expr): Check for zero sized types and gimplify the
4086 rhs and lhs as statements.
4088 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
4091 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
4092 state for return address column of signal frames.
4094 2005-08-27 David Edelsohn <edelsohn@gnu.org>
4097 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
4098 bytes >= 2 not bytes == 2.
4099 (expand_block_move): Same.
4101 2005-08-27 Richard Guenther <rguenther@suse.de>
4104 * config/i386/sse.md (sse2_movsd): Add missing closing
4107 2005-08-27 Paul Brook <paul@codesourcery.com>
4109 * genrecog.c (enum decision_type): Add DT_num_insns.
4110 (struct decision_test): Add u.num_insns.
4111 (add_to_sequence): Add DT_num_insns test.
4112 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
4113 (write_cond, debug_decision_2): Ditto.
4114 (change_state): Assume peep2_next_insn never fails.
4115 Remove "afterward" argument.
4116 (write afterward, write_tree): Update to match.
4117 * recog.c (peep2_current_count): New variable.
4118 (peep2_next_insn): Check it.
4119 (peephole2_optimize): Set peep2_current_count.
4120 * recog.h (peep2_current_count): Declare.
4122 2005-08-26 Josh Conner <jconner@apple.com>
4125 * ipa-pure-const.c (check_tree): Check for volatile-ness
4126 when considering a dereference.
4128 2005-08-27 Jakub Jelinek <jakub@redhat.com>
4130 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
4132 2005-08-26 Jakub Jelinek <jakub@redhat.com>
4134 PR rtl-optimization/23561
4135 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
4136 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
4137 at most LEN bytes long memory fits into the field.
4138 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
4139 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
4140 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
4142 2005-08-26 Richard Henderson <rth@redhat.com>
4145 * loop.c (biased_biv_may_wrap_p): New.
4146 (maybe_eliminate_biv_1): Use it to suppress non-equality
4147 comparison transformations. Delete disabled code.
4149 2005-08-26 Ian Lance Taylor <ian@airs.com>
4151 * combine.c (make_extraction): Avoid reference outside object.
4153 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
4155 * stor-layout.c (finalize_type_size): Restore behaviour for
4156 non-aggregate types to the status quo ante of the patch for
4157 pr 23467. Document why it matters.
4159 2005-08-26 Jakub Jelinek <jakub@redhat.com>
4162 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
4163 array by one element, initialize the BT_LAST element with NULL.
4165 2005-08-26 David Edelsohn <edelsohn@gnu.org>
4167 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
4168 optimizing for size.
4170 (compare_plus_eqsi): Same.
4171 (plus_eqsi_compare): Same.
4172 (neg_eq0<mode>): Same.
4173 (neg_eq<mode>): Same.
4175 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
4178 2005-08-26 Nick Clifton <nickc@redhat.com>
4180 * config/v850/v850.c (ep_memory_operand): Return FALSE if
4181 TARGET_EP is not defined.
4182 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
4183 TARGET_EP is enabled.
4184 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
4185 * config/v850/v850.md (save_all_interrupt): Only use the EP
4186 register if TARGET_EP is defined.
4187 (restore_all_interrupt): Likewise.
4188 * config/v850/lib1funcs.asm: Update functions so that the EP
4189 register is only used if __EP__ is defined.
4191 2005-08-26 David Ung <davidu@mips.com>
4193 * config/mips/mips.c (mips_expand_prologue): Handle case when
4194 generating for MIPS16 and the outgoing argument area is more than
4195 SMALL_OPERAND. Use the frame pointer as temporary to generate the
4198 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
4200 * config/crx/crx.md: Make doloop_end pattern usage controllable
4201 via mloop-nesting=<max-nesting> command line switch. Make sure
4202 the combiner cannot use doloop_end_<mode> in an illegal way.
4203 * config/crx/crx.c: Use regs up to r6 for argument passing.
4204 Refine crx_address_cost (non cst4 displacements are expensive).
4205 * config/crx/crx.opt: Add switch for mloop-nesting=.
4207 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
4209 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
4210 (UNSPEC_MVST): New constant.
4212 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
4214 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
4215 Reject operands containing eliminable registers.
4216 * testsuite/gcc.dg/20050825-1.c: New testcase.
4218 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4219 Jan Hubicka <jh@suse.cz>
4221 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
4223 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4225 PR tree-optimization/23546
4226 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
4229 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
4231 * params.def (PARAM_MIN_SPEC_PROB): New.
4232 * sched-rgn.c (MIN_PROBABILITY): Delete.
4233 (compute_trg_info): Convert to PARAM_VALUE.
4234 * doc/invoke.texi (param): Document min-spec-prob.
4236 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
4238 * config/darwin.h: define __PIC__
4239 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
4240 TARGET_OS_CPP_BUILTINS macro.
4242 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4244 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
4247 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
4249 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
4251 * cfghooks.c (duplicate_block): Added position where to place
4252 new block as argument.
4253 * cfghooks.h (duplicate_block): Declaration changed.
4254 * cfglayout.c (copy_bbs): Add argument after. Pass it to
4256 * cfglayout.h (copy_bbs): Declaration changed.
4257 * cfgloop.h (loop_version): Declaration changed.
4258 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
4259 position to copy_bbs.
4260 (loop_version): Pass position to duplicate_loop_to_header_edge.
4261 Add place_after argument and position new blocks according to
4263 * modulo-sched.c (sms_schedule): Pass place_after argument
4265 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
4266 * tree-cfg.c (split_edge_bb_loc): New function.
4267 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
4268 to determine position of new blocks.
4269 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
4271 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
4272 argument to duplicate_block.
4273 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
4274 Pass position to copy_bbs.
4276 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
4278 * fold-const.c (ptr_difference_const): Use
4279 cst_and_fits_in_hwi instead of host_integerp.
4281 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4283 * config/darwin.c (gen_pic_offset): New.
4284 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
4287 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
4289 PR tree-optimization/23486
4290 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
4292 2005-08-23 Phil Edwards <phil@codesourcery.com>
4294 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
4295 remove use_collect2.
4296 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
4298 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
4299 configuration files to override the default value.
4301 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
4302 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
4303 * config/vx-common.h: New file, split out from...
4304 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
4305 * config/vxworksae.h: New file, for VxWorks AE.
4306 * config/vxworks.opt: New file.
4307 * config/vxlib.c: Update for VxWorks 6.
4309 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
4310 other MULTILIB_* variables appropriately.
4311 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
4312 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
4313 * config/rs6000/vxworks.h: Update for VxWorks 6.
4314 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
4316 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
4319 * config/darwin.c (machopic_select_section): Remove the hack to
4320 mark "::operator new" and "::operator delete" for coalescing
4321 even though they are not weak.
4323 2005-08-24 Alan Modra <amodra@bigpond.net.au>
4325 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
4326 * configure: Regenerate.
4328 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
4331 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
4333 * convert.c (convert_to_integer, convert_to_vector): Likewise.
4334 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
4337 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
4339 * config/rs6000/predicates.md (equality_operator): New.
4340 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
4341 comparison with a large constant.
4343 2005-08-23 Mark Mitchell <mark@codesourcery.com>
4345 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
4347 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
4349 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
4350 registers is even, and we have a hardware double precision fp,
4352 (sh_gimplify_va_arg_expr): For floating point arguments, consider
4353 size of current argument when checking if argument was passed in
4356 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
4359 * stor-layout.c (finalize_type_size): Dont override
4360 existing alignment with a smaller alignment from the mode.
4362 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
4364 * lambda-code.c (lambda_vector_lexico_pos): Moved...
4365 * lambda.h (lambda_vector_lexico_pos): ... here.
4366 * tree-data-ref.c (build_classic_dist_vector): Return false when
4367 the distance vector is lexicographically negative.
4369 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
4371 PR tree-optimization/23511
4372 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
4373 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
4375 2005-08-23 Jakub Jelinek <jakub@redhat.com>
4377 PR tree-optimization/22043
4378 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
4379 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
4380 If ALLOW_FLEXARR, handle types ending with flexible array member.
4381 Pass false as second argument to recursive count_type_elements calls.
4382 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
4383 argument to count_type_elements call.
4384 * tree-sra.c (decide_block_copy): Likewise.
4385 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
4386 for a constant-sized object, set cleared as well. Pass true as
4387 second argument to count_type_elements call.
4389 2005-08-23 Alan Modra <amodra@bigpond.net.au>
4392 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
4393 from legitimate_small_data_p, and make global. Update use.
4394 Remove forward declaration.
4395 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
4397 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
4399 2005-08-23 David Edelsohn <edelsohn@gnu.org>
4401 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
4402 of scratch intermediates.
4403 (eq<mode>_compare): Same.
4404 (neg_eq0<mode>): New.
4405 (neg_eq<mode>): Convert to define_insn_and_split.
4407 2005-08-23 Alan Modra <amodra@bigpond.net.au>
4410 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
4411 stdarg functions, set/clear the fp marker even when no variable
4413 * config/rs6000/sysv4.opt (mprototype): Describe.
4415 2005-08-22 Jakub Jelinek <jakub@redhat.com>
4417 PR rtl-optimization/23478
4418 * regs.h (reg_info): Add throw_calls_crossed.
4419 (REG_N_THROWING_CALLS_CROSSED): Define.
4420 * flow.c (allocate_reg_life_data): Initialize
4421 REG_N_THROWING_CALLS_CROSSED.
4422 (propagate_one_insn, attempt_auto_inc): Update
4423 REG_N_THROWING_CALLS_CROSSED.
4424 * global.c (global_alloc): Don't allocate pseudos across
4425 calls that may throw.
4427 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
4430 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
4431 value is inbetween the range if we did not find an exact match.
4433 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
4435 * doc/invoke.texi (Option Summary): Add ms1 options.
4436 * doc/extend.texi: Document interrupt handler attribute for ms1.
4437 * doc/md.texi: Document ms1 constraints.
4438 * config.gcc: Add ms1-*-elf.
4439 * config/ms1/ms1.h: New.
4440 * config/ms1/ms1.c: New.
4441 * config/ms1/ms1.md: New.
4442 * config/ms1/ms1-protos.h: New.
4443 * config/ms1/ABI.txt: New.
4444 * config/ms1/crti.asm: New.
4445 * config/ms1/crtn.asm: New.
4446 * config/ms1/lib2extra-funcs.c: New.
4447 * config/ms1/t-ms1: New.
4448 * config/ms1/ms1.opt: New.
4450 2005-08-22 Ira Rosen <irar@il.ibm.com>
4452 * config/rs6000/altivec.md (xorv4sf3): New.
4453 (negv4sf2, neg<mode>2): Likewise.
4455 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
4458 * config/ia64/ia64.md (divsi3): Check divide by zero.
4459 (udivsi3): Likewise.
4461 (udivdi3): Likewise.
4463 2005-08-21 Jakub Jelinek <jakub@redhat.com>
4465 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
4466 up to elem_bitsize bits, not max_bitsize.
4468 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
4470 PR tree-optimization/23433
4471 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
4472 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
4474 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
4476 PR tree-optimization/23434
4477 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
4478 the iteration bound is not an INTEGER_CST.
4480 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
4482 * tree-vect-transform.c (get_initial_def_for_reduction): Set
4483 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
4484 NULL if need_epilog_adjust is false.
4485 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
4486 Case 3 always peels first itration, not just for PLUS case, and no need
4487 to use scalar_initial_def here. Create an epilog adjustment only if
4488 scalar_initial_def is not NULL.
4490 (vectorizable_reduction): Remove assert.
4492 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
4495 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
4496 (__moddi3): Likewise.
4497 (__udivdi3): Likewise.
4498 (__umoddi3): Likewise.
4499 (__divsi3): Likewise.
4500 (__modsi3): Likewise.
4501 (__udivsi3): Likewise.
4502 (__umodsi3): Likewise.
4504 2005-08-20 Jakub Jelinek <jakub@redhat.com>
4506 * tree-pass.h (TDF_GRAPH): Define.
4507 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
4508 * passes.c (finish_optimization_passes): Only call
4509 finish_graph_dump_file if TDF_GRAPH is set.
4510 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
4511 NULL. Set TDF_GRAPH bit.
4512 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
4514 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
4516 * arm.h (arm_stack_offsets): Add locals_base field.
4517 * arm.c (arm_get_frame_offsets): Compute it.
4518 (thumb_compute_initial_elimination offset): Make the Thumb frame
4519 pointer point to the base of the local variables.
4520 (thumb_expand_prologue): Update accordingly.
4521 (thumb_expand_epilogue): Likewise.
4523 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
4524 mode of clobbered scratch to DImode. Handle a case that's known to
4527 2005-08-19 David Edelsohn <edelsohn@gnu.org>
4529 * config/rs6000/rs6000.md (gt0<mode>): Delete.
4530 (gt0<mode>_compare): Delete.
4531 (neg_gt0<mode>): Delete.
4533 2005-08-19 Eric Christopher <echristo@apple.com>
4535 * optabs.h: Change CTI_ to COI_.
4538 2005-08-19 James E Wilson <wilson@specifix.com>
4540 * builtins.c (expand_builtin_return_addr): Set
4541 current_function_accesses_prior_frames when count != 0. Use
4542 frame_pointer_rtx when count == 0.
4543 * function.h (struct function): Add accesses_prior_frames field.
4544 (current_function_accesses_prior_frames): Define.
4545 * reload1.c (init_elim_table): Check
4546 current_function_accesses_prior_frames.
4547 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
4549 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4551 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
4552 indicator. Return true if the flowgraph changed during
4555 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4558 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
4559 conditional expression before testing its value.
4561 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4563 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
4565 2005-08-19 Devang Patel <dpatel@apple.com>
4567 PR tree-optimization/23048
4568 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
4569 third parameter. Check whether latch is dominated by exit
4571 (if_convertible_loop_p): Supply exit block itself to
4572 if_convertible_bb_p.
4574 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
4577 * arm.md (arm_load_pic_register): Change argument to the mask of
4578 saved registers. Call thumb_find_work_register if we need a
4579 scratch register on Thumb.
4580 (arm_expand_prologue): Pass empty register set to
4581 arm_load_pic_register.
4582 (thumb_expand_prologue): Pass live_regs_mask directly to
4583 arm_load_pic_register.
4584 * arm-protos.h (arm_load_pic_register): Update prototype.
4586 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
4588 * sh.c (find_sole_member): New function.
4589 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
4590 if the record's alignment is larger than the size of its only member.
4592 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
4595 * arm.c (thumb_legitimize_reload_address): New function.
4596 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
4597 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
4599 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
4601 * config/crx/crx.c: Implement crx_decompose_address. Reject
4602 symbolic displacements since CRX register relative adressing
4603 mode can't handle unsigned 32-bit values as displacements.
4604 * config/crx/crx.h: Simplify definitions, remove redundant
4605 parenthesis and obsolete macros.
4606 * config/crx/crx.opt: Add new switch for debugging addresses.
4607 * config/crx/crx-protos.h: Add new declarations for above.
4609 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
4612 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
4615 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4617 * collect2.c (dup2): Delete.
4618 * configure.ac: Don't check for dup2.
4620 * config.in, configure: Regenerate.
4622 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
4624 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
4625 record with the type of its only member.
4627 2005-08-18 David Edelsohn <edelsohn@gnu.org>
4629 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
4630 define_insn_and_split.
4631 (plus_ltu<mode>_compare): Same.
4632 (gtu<mode>_compare): Same.
4633 (plus_gtu<mode>_compare): Same.
4635 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
4637 PR tree-optimization/22228
4638 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
4640 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
4641 are recorded in vect_vnames_to_rename for renaming.
4642 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
4643 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
4644 in vect_vnames_to_rename.
4645 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
4646 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
4648 2005-08-18 Jan Hubicka <jh@suse.cz>
4651 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
4652 info only for local statics, not for member variables.
4654 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4656 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
4658 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4660 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
4662 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
4665 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
4667 2005-08-17 James E Wilson <wilson@specifix.com>
4669 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4672 2005-08-17 David Edelsohn <edelsohn@gnu.org>
4674 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
4675 (leu<mode>_compare): Same.
4676 (plus_leu<mode>): Same.
4677 (neg_leu<mode>): Same.
4678 (and_neg_leu<mode): Same.
4679 (ltu<mode>_compare): Same.
4680 (plus_ltu<mode>): Same.
4682 (geu<mode>_compare): Same.
4683 (plus_geu<mode>): Same.
4684 (neg_geu<mode>): Same.
4685 (and_neg_geu<mode>): Same.
4686 (plus_gt<mode>): Same.
4687 (gtu<mode>_compare): Same.
4688 (plus_gtu<mode>): Same.
4690 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
4692 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
4693 Move call_table_data to end. Delete spurious .text.
4694 (callt_save_all_interrupt): Fix comment typo.
4696 2005-08-17 James E Wilson <wilson@specifix.com>
4697 Kevin Winchester <winchester@amirix.com>
4700 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
4702 2005-08-17 Uros Bizjak <uros@kss-loka.si>
4705 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
4706 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
4708 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
4710 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
4711 record with the type of its only member if the modes don't match.
4713 * varasm.c (decode_reg_name): Skip empty additional register names.
4715 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4717 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
4718 lsm_tmp_name_length): New.
4719 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
4720 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
4722 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4723 Andreas Krebbel <krebbel1@de.ibm.com>
4725 * config.gcc: Added z9-109 switch.
4726 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
4727 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
4728 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
4729 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4730 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
4731 for "z9_109" cpu attribute.
4732 * config/s390/s390.c (z9_109_cost): New processor cost structure.
4733 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
4734 (s390_handle_arch_option): Added z9-109 switch.
4735 (override_options): Set respective cost function for z9-109.
4736 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
4737 (legitimate_reload_constant_p): Accept extended immediates.
4738 (print_operand): Three new output modifiers added: k, m and o.
4739 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
4740 (s390_output_mi_thunk): Use extended immediate when possible.
4741 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
4742 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
4743 (CONSTRAINT_LEN): Added length of O constraint.
4744 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
4745 * config/s390/s390.md ("cpu"): New value z9_109 added.
4746 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
4747 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
4748 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
4749 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
4750 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
4751 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
4752 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
4753 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
4754 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
4755 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4756 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
4757 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
4758 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
4759 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
4760 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
4762 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
4763 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
4764 insns for TARGET_EXTIMM.
4766 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
4768 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
4770 2005-08-17 Nick Clifton <nickc@redhat.com>
4772 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
4773 Call default_encode_section_info.
4775 2005-08-17 Steven Bosscher <stevenb@suse.de>
4777 PR tree-optimization/21574
4778 * tree-ssa-ccp.c (likely_value): If the right hand side is a
4779 constant, return CONSTANT.
4780 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
4781 (ccp_fold, visit_assignment): Likewise.
4782 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
4784 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4786 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
4787 fold_buildN instead of buildN then fold_initializer or fold.
4788 (build_unary_op): Likewise.
4789 (build_binary_op): Likewise.
4790 * fold-const.c (fold_initializer): Remove.
4791 (fold_build1_initializer): New function.
4792 (fold_build2_initializer): New function.
4793 (fold_build3_initializer): New function.
4794 * tree.h (fold_initializer): Remove.
4795 (fold_build1_initializer): New function.
4796 (fold_build2_initializer): New function.
4797 (fold_build3_initializer): New function.
4799 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4801 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
4802 (try_move_mult_to_index): Call fold_build2 instead of build2.
4803 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
4804 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
4805 fold_binary_to_constant.
4806 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
4808 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
4809 check if A == gcd (A, B). Remove TYPE argument.
4810 (analyze_offset) Use fold_build2 instead of fold (build.
4811 (create_data_ref): Likewise.
4812 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
4813 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
4816 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
4818 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
4819 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
4821 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
4824 * gimplify.c (zero_sized_type): New function.
4825 (gimplify_modify_expr_rhs): If we have a zero sized type,
4826 replace the statement with an empty statement.
4828 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
4830 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
4833 2005-08-16 Ian Lance Taylor <ian@airs.com>
4835 * doc/tm.texi (Label Output): Correct typo.
4837 2005-08-16 Steven Bosscher <stevenb@suse.de>
4840 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
4841 force_operand will work later on using have_insn_for.
4843 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4845 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
4847 2005-08-16 Ian Lance Taylor <ian@airs.com>
4850 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
4851 vector type, don't try to construct it element by element. Add an
4852 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
4854 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4856 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
4858 2005-08-16 Geoffrey Keating <geoffk@apple.com>
4860 * doc/invoke.texi (Precompiled Headers): Document some more options
4861 which are known to be safe.
4863 2005-08-16 James E Wilson <wilson@specifix.com>
4865 PR tree-optimization/21105
4866 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4867 TREE_OVERFLOW check.
4869 2005-08-16 David Edelsohn <edelsohn@gnu.org>
4871 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
4872 (neg_ltu<mode>): Same.
4874 (neg_gtu<mode>): Same.
4876 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4878 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
4879 (fold_builtin_isdigit): Use fold_buildN.
4880 (build_function_call_expr): Likewise.
4881 * c-typeck.c (c_finish_loop): Likewise.
4883 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
4884 Richard Shann <rshann@superh.com>
4886 PR middle-end/20396:
4887 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
4889 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
4891 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
4893 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
4896 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
4897 arm_compure_save_reg0_reg12_mask to determine when the PIC register
4900 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4903 * fold-const.c (build_range_check): Disable optimization for function
4904 pointer expressions on targets that require function pointer
4907 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
4909 * simplify-rtx.c (simplify_const_relational_operation): When
4910 extracting arguments of a COMPARE, recompute the mode as well.
4912 2005-08-15 Ian Lance Taylor <ian@airs.com>
4914 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
4916 2005-08-15 DJ Delorie <dj@redhat.com>
4918 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
4920 (movsi_splittable): Allow, but split, moves to the stack.
4921 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
4924 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4926 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
4927 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
4928 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
4930 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
4931 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
4932 Delete HOST_PTR_PRINTF.
4934 * configure, config.in: Regenerate.
4936 2005-08-15 David Edelsohn <edelsohn@gnu.org>
4938 * config/rs6000/rs6000.md (QHSI): New mode macro.
4939 (wd): Extend mode attr for QImode and HImode
4940 (dbits): New mode attr.
4941 (zero_extend<mode>di2): Convert to mode macro.
4943 2005-08-15 Steve Ellcey <sje@cup.hp.com>
4946 * doc/invoke.texi (-mgnu-ld): Update description.
4949 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4952 * Makefile.in (tree-chrec.o): Depends on real.h.
4953 * tree-chrec.c: Include real.h.
4954 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
4955 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
4956 * tree-scalar-evolution.c (add_to_evolution_1,
4957 interpret_rhs_modify_expr): Ditto.
4959 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4962 * tree-data-ref.c (estimate_niter_from_size_of_data): When
4963 step is negative compute the estimation from init downwards to zero.
4965 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
4967 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
4969 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4971 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
4973 (legitimate_reload_constant_p): Fix handling of lliXX operands.
4974 Accept double-word constants that can be split.
4975 * config/s390/s390.md ("movti"): Use 'P' constraint.
4976 ("*movdi_31", "*movdf_31"): Likewise.
4978 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
4980 Fix PR tree-optimization/22615
4982 * tree-ssa-structalias.c (solution_set_add): Handle
4983 first_vi_for_offset returning NULL.
4984 (do_da_constraint): Ditto.
4985 (do_sd_constraint): Ditto.
4986 (do_ds_constraint): Ditto
4987 (find_func_aliases): Ditto.
4988 (build_constraint_graph): RHS is allowed be ANYTHING.
4989 (first_vi_for_offset): Return NULL if we couldn't find anything at
4992 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4994 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
4995 over memory as first operand.
4997 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
5000 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
5001 available for setting it.
5003 2005-08-14 Ira Rosen <irar@il.ibm.com>
5005 PR tree-optimization/23320
5006 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
5007 data-refs' types instead of base object nullness. Add check for
5008 pointer type data-refs before first location comparison. Remove
5011 2005-08-14 Andreas Schwab <schwab@suse.de>
5013 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
5015 2005-08-13 James E Wilson <wilson@specifix.com>
5017 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
5018 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
5019 -fstack-protector-all, --param ssp-buffer-size): Document.
5020 (-Wvariadic-macros): Alphabetize.
5021 (-fsched-stalled-insns-dep): Add missing 'f'.
5023 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
5026 2005-08-13 David Edelsohn <edelsohn@gnu.org>
5028 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
5029 or indirect address operand.
5030 (EXTRA_ADDRESS_CONSTRAINT): New.
5031 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
5033 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
5035 PR tree-optimization/22236
5036 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
5037 successors and predecessors.
5038 * tree-chrec.c (chrec_convert): Before converting, check that
5039 sequences don't wrap.
5040 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
5041 (analyze_array): Extern.
5042 (find_data_references_in_loop): Remove call to
5043 compute_estimated_nb_iterations.
5044 * tree-data-ref.h (analyze_array): Declared.
5045 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
5046 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
5047 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
5048 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
5050 * tree-ssa-loop-ivcanon.c: Fix documentation.
5051 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
5052 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
5053 (infer_loop_bounds_from_undefined): New.
5054 (estimate_numbers_of_iterations_loop): Use
5055 infer_loop_bounds_from_undefined.
5056 (used_in_pointer_arithmetic_p): New.
5057 (scev_probably_wraps_p): Pass an extra parameter. Call
5058 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
5059 (convert_step): Fix documentation.
5060 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
5061 Use initial_condition_in_loop_num and evolution_part_in_loop_num
5062 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
5063 scev_probably_wraps_p.
5065 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
5067 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
5068 (s390_register_info): Ignore clobbered_regs information for fixed
5069 registers, and only fixed registers.
5070 (s390_init_frame_layout): Remove redundant call.
5072 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
5074 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
5075 description of -Wold-style-casts.
5077 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5078 Jakub Jelinek <jakub@redhat.com>
5080 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5081 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
5082 * config/s390/s390.c (print_operand): New output modifier 'G' added.
5083 (get_thread_pointer): Renamed to s390_get_thread_pointer.
5084 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
5085 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
5086 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
5087 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5088 ("stack_protect_set", "stack_protect_test"): New expanders.
5089 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
5090 "stack_protect_testdi"): New insn definitions.
5092 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5094 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
5096 2005-08-12 Paul Brook <paul@codesourcery.com>
5098 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
5100 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5102 * config/s390/predicates.md (setmem_operand): New predicate.
5103 (shift_count_operand): Accept ANDs with special constants as
5105 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
5106 with special constants.
5107 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
5108 shift_count_operand with setmem_operand.
5110 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5112 * config/s390/s390.c (s390_extract_part, s390_single_part):
5114 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
5115 (s390_output_mi_thunk): Don't use lg on 31 bit.
5116 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
5117 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
5119 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5121 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
5122 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
5123 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
5124 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
5125 with one of the new macros.
5127 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5129 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
5130 Don't set save_return_addr_p.
5131 (s390_register_info): Make clobbered_regs not depending on
5134 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
5136 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
5137 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
5139 2005-08-11 James E. Wilson <wilson@specifix.com>
5141 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
5143 2005-08-11 Jakub Jelinek <jakub@redhat.com>
5145 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
5146 locations gathered by var-tracking in single entry loc_list
5147 over loc_descriptor_from_tree.
5149 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
5150 pass it down to loc_descriptor.
5151 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
5152 (containing_function_has_frame_base): Move earlier in the file.
5153 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
5154 instead of always assuming fbreg can't be used.
5156 2005-08-11 David Edelsohn <edelsohn@gnu.org>
5158 * config/rs6000/altivec.md: Change constraint "m" to "Z".
5159 * config/rs6000/predicates.md (indexed_or_indirect_operand):
5160 Accept address wrapped in AND for Altivec.
5161 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5162 Strip AND wrapping offset address for Altivec.
5164 2005-08-11 Richard Henderson <rth@redhat.com>
5167 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
5168 before using TYPE_IS_SIZETYPE.
5170 2005-08-11 Richard Henderson <rth@redhat.com>
5173 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
5174 insn types not present on ev4.
5175 (alphaev5_insn_pipe): Similarly.
5177 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
5180 * arm.c (arm_override_options): If the user has selected callee-super-
5181 interworking, then enable normal interworking.
5183 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5185 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
5188 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
5190 * doc/rtl.texi: Fix two typos.
5192 2005-08-11 Richard Guenther <rguenther@suse.de>
5195 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
5196 cases where we call to/from functions returning void.
5198 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
5201 * tree.c (build_pointer_type_for_mode): Robustify.
5203 2005-08-10 James E Wilson <wilson@specifix.com>
5205 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
5206 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
5208 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
5211 2005-08-10 Eric Christopher <echristo@apple.com>
5213 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
5214 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
5217 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
5220 * config/darwin.c (machopic_indirect_data_reference): Use a new register
5221 for the high part when generating dynamic-no-pic code.
5223 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
5225 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
5226 (x86_64-*-linux*): Likewise.
5228 * config/i386/crtfastmath.c: New file.
5229 * config/i386/t-crtfm: Likewise.
5231 * config/i386/linux.h (ENDFILE_SPEC): New.
5232 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
5234 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
5237 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
5239 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
5240 (vec_shl, vec_shr): Document new operations.
5241 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
5243 2005-08-10 David Edelsohn <edelsohn@gnu.org>
5245 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
5246 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
5247 change predicate to indexed_or_indirect_address.
5249 2005-08-10 Richard Sandiford <richard@codesourcery.com>
5251 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
5252 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
5253 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
5254 and __aeabi_uwrite8.
5255 * config/arm/unaligned-funcs.c: New file.
5256 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
5258 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
5260 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
5262 * cfglayout.c (pass_insn_locators_initialize): Add dump.
5263 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
5265 * except.c (pass_convert_to_eh_region_ranges): Add dump.
5266 * final.c (pass_shorten_branches): Add dump.
5267 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
5268 (pass_life): Rename dump.
5269 (rest_of_handle_flow2): Remove initial verify_flow_info.
5270 * function.c (pass_instantiate_virtual_regs): Add dump.
5271 * integrate.c (pass_initial_value_sets): Add dump.
5272 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
5273 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
5274 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
5275 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
5276 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
5277 gate_rtl_unrool_and_peel_loops): New.
5278 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
5279 rtl_doloop): Do not look at flags.
5280 * mode-switching.c (pass_mode_switching): Add dump.
5281 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
5282 pass_split_before_regstack): Add dump.
5283 * regmove.c (pass_stack_adjustments): Add dump.
5284 * tree-optimize.c (pass_fixup_cfg): Add dump.
5286 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5289 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
5290 deciding which instruction sequence to use.
5292 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
5294 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
5295 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
5297 2005-08-09 Richard Guenther <rguenther@suse.de>
5299 * c-common.c (builtin_function_2): Remove.
5300 (def_builtin_1): New function.
5301 (c_common_nodes_and_builtins): Use def_builtin_1 to
5302 build builtin functions.
5304 2005-08-09 Jie Zhang <jie.zhang@analog.com>
5306 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
5307 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5308 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
5311 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
5313 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
5314 fold_binary instead of fold_build2 since we don't care about the
5316 (loop_niter_by_eval): Likewise.
5317 (compare_trees): Likewise.
5318 (proved_non_wrapping_p): Likewise.
5320 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
5324 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
5325 if the if is really empty.
5327 2005-08-09 Steven Bosscher <stevenb@suse.de>
5329 PR tree-optimization/23234
5330 * tree-ssa-math-opts.c (place_reciprocal): New enum.
5331 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
5332 argument of the new enum.
5333 (execute_cse_reciprocals): Add reciprocals for function arguments
5334 on the unique successor edge of the entry block. Update other calls
5335 to execute_cse_reciprocals_1.
5337 2005-08-08 Richard Henderson <rth@redhat.com>
5340 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
5342 2005-08-08 Bob Wilson <bob.wilson@acm.org>
5344 * expr.c (write_complex_part): Return after handling MEM.
5346 2005-08-08 Josh Conner <jconner@apple.com>
5348 PR rtl-optimization/23241
5349 * combine.c (simplify_comparison): Fix error in determining
5350 whether to lift a subreg from comparison.
5352 2005-08-08 David Edelsohn <edelsohn@gnu.org>
5355 * config/rs6000/altivec.md (vec_init<mode>): New.
5356 (vec_set<mode>): New.
5357 (vec_extract<mode>): New.
5358 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
5359 (rs6000_expand_vector_set): New.
5360 (rs6000_expand_vector_extract): New.
5361 (rs6000_legitimate_offset_address_p): Offset addresses are valid
5362 for Altivec modes before reload.
5363 (altivec_expand_vec_init_builtin): New.
5364 (get_element_number): New.
5365 (altivec_expand_vec_set_builtin): New.
5366 (altivec_expand_vec_ext_builtin): New.
5367 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
5369 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
5371 * config/rs6000/rs6000.h (rs6000_builtins): Add
5372 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
5373 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
5374 * config/rs6000/rs6000-protos.h: Declare new functions.
5376 2005-08-08 Jan Hubicka <jh@suse.cz>
5378 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
5379 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
5380 * i386.md (movdi*): Use pic_32bit_operand.
5381 * predicates.md (pic_32bit_operand): New.
5383 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
5386 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
5388 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
5390 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
5391 (test_for_singularity): Use fold_build2.
5393 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5395 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
5397 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
5399 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5400 (COMMON_ASM_OP) Define.
5401 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
5402 (ix86_encode_section_info): Likewise.
5403 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
5404 SUBTARGET_ENCODE_SECTION_INFO.
5406 2005-08-06 Richard Henderson <rth@redhat.com>
5409 * tree-nested.c (convert_local_reference): Save and restore val_only
5410 around component_ref and friends. Clear walk_subtrees by default.
5412 2005-08-06 Peter O'Gorman <peter@pogma.com>
5415 * gcc.c (process_command): Check the argument to -b has a dash.
5416 * doc/invoke.texi: Update -b and -V docs.
5418 2005-08-06 James E Wilson <wilson@specifix.com>
5420 * config/mips/cross64.h, config/mips/t-cross64: Delete.
5422 2005-08-06 Michael Matz <matz@suse.de>
5424 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
5425 member only if only one insn is associated with the value.
5427 2005-08-06 Nick Clifton <nickc@redhat.com>
5429 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
5431 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
5432 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
5433 Check symbol flags instead of symbol name mangling.
5434 (xstormy16_asm_output_aligned_common): Likewise. Also
5435 simplify code since the bss100_section cass is the only case
5436 where the below100 code will be triggered.
5437 (xstormy16_encode_section_info): Encode below100 attribute
5438 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
5440 (xstormy16_strip_name_encoding): Delete - this function is no
5442 (TARGET_STRIP_NAME_ENCODING): Undefine.
5443 * config/stormy16/stormy16-protos.h: Delete prototype for
5444 xstormy16_strip_name_encoding.
5446 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
5448 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
5449 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
5450 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
5451 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
5452 config/alpha/predicates.md, config/arc/arc.h,
5453 config/arm/arm.h, config/arm/ieee754-df.S,
5454 config/arm/ieee754-sf.S, config/bfin/bfin.c,
5455 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
5456 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
5457 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
5458 config/m68hc11/m68hc11.h, config/mips/mips.c,
5459 config/mips/mips.h, config/mips/openbsd.h,
5460 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
5461 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
5462 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5463 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
5464 config/sparc/linux.h, config/sparc/linux64.h,
5465 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
5466 doc/extend.texi, doc/gcov.texi, doc/install.texi,
5467 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
5468 typos. Follow spelling conventions.
5470 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
5473 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
5474 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
5475 specially. Check for side effects only for COND_EXPR.
5476 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
5477 return with TREE_NO_WARNING.
5479 2005-08-06 Richard Sandiford <richard@codesourcery.com>
5481 PR rtl-optimization/23233
5482 * loop.c (combine_movables): Require the modes to be the same.
5483 (move_movables): Remove handling of cases where the replacement
5484 had a different mode to the original.
5486 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
5488 PR tree-optimization/23128
5489 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
5490 subtraction wrap, and set TREE_OVERFLOW if they do.
5492 2005-08-05 Richard Henderson <rth@redhat.com>
5495 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
5496 FORCED_LABEL labels.
5498 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
5501 * reload.c (find_reloads_subreg_address): Pass down TYPE
5502 unchanged. Change all callers except find_reloads_toplev.
5504 2005-08-05 Michael Matz <matz@suse.de>
5506 * genattrtab.c (current_alternative_string): Remove.
5507 (SIMPLIFY_ALTERNATIVE): Ditto.
5508 (attr_alt_bit_p): Ditto.
5509 (alternative_name): Make const char *.
5510 (evaluate_eq_attr): Remove use of above things.
5511 (simplify_test_exp): Ditto.
5512 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
5513 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
5515 2005-08-04 James E Wilson <wilson@specifix.com>
5517 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
5518 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
5519 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
5520 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
5521 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
5523 2005-08-04 Richard Henderson <rth@redhat.com>
5526 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
5527 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
5528 * tree-sra.c (decide_block_copy): Use it. Disable element copy
5529 if we'd have to instantiate too many members.
5531 2005-08-04 Richard Henderson <rth@redhat.com>
5534 * tree-outof-ssa.c (coalesce_asm_operands): New.
5535 (coalesce_ssa_name): Use it. Split out ...
5536 (coalesce_phi_operands, coalesce_result_decls): ... these.
5538 2005-08-04 Paul Brook <paul@codesourcery.com>
5540 * read-rtl.c (read_quoted_string): Break if EOF.
5542 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
5544 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
5545 (fold_build2): Likewise.
5546 (fold_build3): Likewise.
5547 (fold_build1_stat): New function prototype.
5548 (fold_build2_stat): Likewise.
5549 (fold_build3_stat): Likewise.
5550 * fold-const.c (fold_build1): Rename to ..
5551 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5552 through to build1_stat.
5553 (fold_build2): Rename to ..
5554 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5555 through to build2_stat.
5556 (fold_build3): Rename to ..
5557 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5558 through to build3_stat.
5560 2005-08-04 David Edelsohn <edelsohn@gnu.org>
5561 Ian Lance Taylor <ian@airs.com>
5563 * function.c (assign_stack_local_1): Do not correct stack slot
5564 address if allocation size is smaller than mode size.
5566 2005-08-04 Diego Novillo <dnovillo@redhat.com>
5569 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
5570 (tree_merge_blocks): Propagate anything allowed by
5572 Clarify documentation.
5573 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
5574 SSA form, schedule an update if necessary.
5576 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
5578 * doc/install.texi (Binaries): Remove broken link to
5579 Sinix/Reliant Unix binaries.
5581 2005-08-03 Richard Henderson <rth@redhat.com>
5584 * function.c (stack_protect_epilogue): Export.
5585 * tree.h (stack_protect_epilogue): Declare.
5586 * calls.c (expand_call): Call it.
5588 2005-08-03 Eric Christopher <echristo@apple.com>
5590 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
5591 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
5594 2005-08-04 Jan Hubicka <jh@suse.cz>
5596 * profile.c (branch_prob): Split edges with goto locus on them
5597 to get proper line counts.
5598 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
5600 2005-08-03 Paul Brook <paul@codesourcery.com>
5602 * function.c (assign_parms): Round current_function_args_size
5603 to PARM_BOUNDARY, not STACK_BOUNDARY.
5605 2005-08-03 Geoffrey Keating <geoffk@apple.com>
5607 * config/i386/i386.c (x86_elf_aligned_common)
5608 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
5610 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
5612 PR tree-optimization/23157
5613 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
5614 before emitting them.
5616 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5618 PR tree-optimization/19899
5619 * Makefile.in (tree-scalar-evolution.o): Add real.h.
5620 * tree-scalar-evolution.c: Include real.h.
5621 (add_to_evolution): Build constant -1 of correct type.
5623 2005-08-03 Jan Hubicka <jh@suse.cz>
5625 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
5626 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
5627 profile updating for complette unrolling.
5628 * loop-unroll.c (peel_loop_completely): Use it.
5629 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
5630 (tree_unroll_loops_completely): Disable code growing unrolling of cold
5633 2005-08-03 Paul Brook <paul@codesourcery.com>
5635 * combine.c (can_change_dest_mode): New function.
5636 (try_combine, simplify_set): Use it.
5638 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
5640 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
5643 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
5645 * doc/install.texi (Specific): Adjust link to openavr.org.
5646 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
5647 (Binaries): Adjust HP-UX Porting Center link.
5648 (Binaries): Adjust Free Software Foundation ordering link.
5650 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
5652 * convert.c (convert_to_integer): Use fold_build1 instead of
5653 build1 when converting an integer to an integer.
5655 2005-08-02 Richard Henderson <rth@redhat.com>
5657 * combine.c (combine_instructions): Don't use reg_equal/equiv
5658 results if the mode doesn't match.
5660 2005-08-02 Mark Mitchell <mark@codesourcery.com>
5662 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
5663 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
5665 2005-08-02 Richard Henderson <rth@redhat.com>
5668 * explow.c (memory_address): Remove special-case for
5669 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
5671 2005-08-02 Diego Novillo <dnovillo@redhat.com>
5674 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
5675 number of calls to cleanup_tree_cfg_1.
5677 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
5679 * doc/invoke.texi: document file extensions .F90 and .F95
5681 2005-08-02 Richard Guenther <rguenther@suse.de>
5683 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
5684 positive if its first argument is positive.
5686 2005-08-02 Richard Guenther <rguenther@suse.de>
5688 PR tree-optimization/23177
5689 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
5692 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
5694 PR tree-optimization/23129
5695 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
5696 varying for divisions with anti-ranges.
5698 2005-08-02 Jan Hubicka <jh@suse.cz>
5700 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
5701 * tree-ssa-threadupdate.c (thread_block): Add it here.
5703 2005-08-01 James E Wilson <wilson@specifix.com>
5705 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
5706 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
5707 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
5709 * config/mips/predicates.md (const_call_insn_operand): Add check for
5710 SYMBOL_REF_LONG_CALL_P.
5711 * doc/extend.texi (long_call): Document the new attribute.
5713 2005-08-01 Ian Lance Taylor <ian@airs.com>
5714 Richard Henderson <rth@redhat.com>
5716 * Makefile.in (RTL_BASE_H): Add real.h.
5717 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
5719 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
5721 * rtl.c (rtl_check_failed_code_mode): New.
5722 * rtl.h (struct rtx_def): Add u.rv.
5723 (XCMWINT, XCNMPRV): New.
5724 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
5725 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
5727 2005-08-01 Richard Henderson <rth@redhat.com>
5729 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
5730 with auto-inc codes.
5732 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
5734 2005-08-01 Jan Hubicka <jh@suse.cz>
5736 * i386-protos.h (asm_preferred_eh_data_format): Declare.
5737 * i386.c: Include dwarf2.h
5738 (asm_preferred_eh_data_format): New.
5739 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
5741 2005-08-01 Ian Lance Taylor <ian@airs.com>
5743 * config/host-linux.c (linux_gt_pch_get_address): Add new name
5744 randomize_va_space for virtual address randomization control.
5746 2005-08-01 Steven Bosscher <stevenb@suse.de>
5748 * common.opt (flag_ipa_cp): Put in right place to maintain
5751 2005-08-01 Jan Hubicka <jh@suse.cz>
5753 * profile.c (compute_value_histograms): Fix thinko.
5754 * value-prof.c: Include toplev.h
5755 (check_counter): New function.
5756 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
5757 tree_mod_subtract_transform): Add sanity check.
5759 2005-08-01 Richard Guenther <rguenther@suse.de>
5761 PR tree-optimization/23133
5762 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
5763 current functions parameter decls to find defs to cse
5766 2005-08-01 Richard Guenther <rguenther@suse.de>
5768 PR tree-optimization/23109
5769 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
5770 If trapping math is in effect, use post-dominator information
5771 to check if we'd in any case reach a trapping point before
5772 doing the reciprocal insertion.
5773 (execute_cse_reciprocals): Compute post-dominators, if necessary.
5774 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
5775 expressions are invariant only if trapping math is not in effect.
5777 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5779 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
5780 cgraph_function_versioning): New declarations.
5781 * cgraphunit.c: Add include to ipa-prop.h.
5782 (update_call_expr, cgraph_copy_node_for_versioning,
5783 cgraph_function_versioning): New functions.
5784 * integrate.c (copy_decl_for_inlining): Remove.
5785 * ipa-prop.h (ipa_replace_map): New struct.
5786 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
5787 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
5788 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
5789 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
5790 ipcp_iterate_stage, ipcp_method_scale_print,
5791 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
5792 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
5793 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
5794 ipcp_update_bb_counts, ipcp_update_profiling,
5795 ipcp_update_edges_counts): New functions.
5796 (ipcp_method_cval_init): Remove restriction regarding local methods.
5797 (ipcp_init_stage): Add ipcp_method_compute_scale.
5798 (ipcp_insert_stage): Add versioning.
5799 (ipcp_structures_print): Add ipcp_method_scale_print.
5800 (ipcp_driver): Dump profiling info.
5801 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
5802 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
5803 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
5804 (struct inline_data): Add versioning_p, ipa_info, new fields.
5805 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
5806 declare_return_variable): Replace calls to copy_decl_for_inlining with
5808 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
5810 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
5811 Add argument VERSIONING.
5812 (copy_arguments_for_versioning, copy_static_chain,
5813 function_versionable_p, tree_versionable_function_p,
5814 tree_function_versioning, replace_ref_tree): New functions.
5815 * tree-inline.h: Include varray.h.
5816 (tree_versionable_function_p, tree_function_versioning,
5817 tree copy_decl_for_dup): New declarations.
5819 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5821 * ipa-cp.c: New file. Contains IPCP specific functionality.
5822 * ipa-prop.h: New file. Contains structures/definitions that can be
5823 used by several interprocedural data flow optimizations (and also IPCP).
5824 * ipa-prop.c: New file.
5825 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
5826 * common.opt: Add ipa-cp flag.
5827 * timevar.def: Add IPCP optimization.
5828 * tree-optimize.c (init_tree_optimization_passes): Schedule
5830 * tree-pass.h (pass_ipa_cp): Declare.
5832 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
5834 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
5835 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
5836 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
5837 config/i386/i386.c, config/mips/mips.h,
5838 config/rs6000/rs6000.h, config/sh/sh.c,
5839 config/stormy16/stormy16.c: Fix comment typos.
5841 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
5844 * c-typeck.c (build_binary_op): Use common_type wrapper on
5846 (common_type): Update comment.
5848 2005-07-31 Steven Bosscher <stevenb@suse.de>
5851 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
5852 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
5853 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
5855 2005-07-31 Jan Hubicka <jh@suse.cz>
5857 * pretty-print.h (pp_widest_integer): New macro.
5858 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
5861 2005-07-31 Jan Hubicka <jh@suse.cz>
5863 * output.h (enum section_category): Export from varasm.c
5864 (categorize_decl_for_section): Likewise.
5865 * varasm.c (enum section_category): Kill.
5866 (categorize_decl_for_section): Make global.
5867 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
5869 * i386.c (ix86_section_threshold): New static variable.
5870 (ix86_in_large_data_p, ix86_encode_section_info,
5871 x86_64_elf_unique_section,
5872 x86_64_elf_select_section): New functions.
5873 (TARGET_ENCODE_SECTION_INFO): Define
5874 (override_options): Enable medium model for PIC.
5875 (ix86_expand_prologue): Expand gen_set_got_rex64.
5876 (legitimate_constant_p): Handle new UNSPECs.
5877 (legitimate_pic_address_disp_p): Likewise.
5878 (legitimize_pic_address): Lower MEDIUM model addressing.
5879 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
5880 (enum cmodel): Add MEDIUM_PIC.
5881 (SYMBOL_REF_FAR_ADDR_P): New macro.
5882 (SYMBOL_FLAG_FAR_ADDR): New flag.
5883 * i386.md (movdi): Support medium model.
5884 (set_got_rex64): New pattern.
5885 * i386.opt (mlarge-data-threshold): New flag.
5886 * predicates.md (zext_operand/sext_operand): Deal with medium model.
5887 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
5888 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
5889 TARGET_ASM_UNIQUE_SECTION): New.
5891 * invoke.texi (-mlarge_data_threshold): Document
5893 2005-07-31 Jan Hubicka <jh@suse.cz>
5895 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
5896 (coalesce_vars): Likewise.
5897 * tree-ssa-live.c (coalesce_cost): New.
5898 (build_tree_conflict_graph): Use coalesce_cost.
5899 * tree-ssa-live.h (coalesce_cost): Declare.
5901 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
5903 * arm.md (all peepholes for post-increment operations): Delete.
5904 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
5905 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
5906 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
5907 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
5908 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
5910 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
5912 * fold-const.c (tree_expr_nonnegative_p): Always return true for
5915 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
5918 * doc/invoke.texi: Document -rdynamic.
5920 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
5923 * c-parser.c (c_parser_parms_list_declarator): Call
5924 mark_forward_parm_decls.
5925 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
5926 decls with visibility structure.
5928 2005-07-30 Paul Brook <paul@codesourcery.com>
5930 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
5932 2005-07-30 Paul Brook <paul@codesourcery.com>
5934 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
5936 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
5938 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
5940 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5943 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
5944 nested function declarators.
5945 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
5946 (grokparms): Call warn_if_shadowing for parameters used within the
5948 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
5949 not used within the parameter list.
5950 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
5952 2005-07-30 Jan Hubicka <jh@suse.cz>
5954 * expr.c (expand_expr_real_1): Do not load mem targets into register.
5955 * i386.c (ix86_fixup_binary_operands): Likewise.
5956 (ix86_expand_unary_operator): Likewise.
5957 (ix86_expand_fp_absneg_operator): Likewise.
5958 * optabs.c (expand_vec_cond_expr): Validate dest.
5960 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5963 * real.c (real_from_string): Also set last bit if there is a
5964 nonzero hex digit beyond GCC's internal precision after ".".
5966 2005-07-29 David Edelsohn <edelsohn@gnu.org>
5968 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
5969 define_constants. Change duplicate values to unassigned numbers.
5970 Change UNSPEC_SUBS to UNSPEC_VSUBS.
5971 (*altivec_vspltsf): New.
5972 (altivec_vperm_v4sf): Delete.
5973 (altivec_vperm_<mode>): Use mode macro V.
5974 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
5975 (altivec_predicate_v4sf): Delete.
5976 (altivec_predicate_<mode>): Use mode macro V.
5977 (*altivec_lvesfx): New.
5978 (*altivec_stvesfx): New.
5979 (vec_realign_load_v4sf): Delete.
5980 (vec_realign_load_<mode>): Use mode macro V.
5981 * config/rs6000/rs6000.c (generate_set_vrsave): Use
5984 2005-07-29 Mark Mitchell <mark@codesourcery.com>
5987 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
5989 * configure: Regenerated.
5991 2005-07-29 Paul Brook <paul@codesourcery.com>
5993 * doc/install.texi: Add link to GFortran binaries wiki page.
5995 2005-07-29 David Ung <davidu@mips.com>
5997 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
5998 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
5999 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
6000 * config/mips/mips.md (cpu): Add 5kf name.
6001 (includes): Includes 5k.md.
6002 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
6003 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
6006 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6009 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
6010 (cleanup_tree_cfg): ... here.
6011 Call cleanup_tree_cfg_1 until there are no more cleanups to
6014 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
6016 * tree-vrp.c (compare_range_with_value): Return true or false
6017 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
6018 EQ_EXPR respectively.
6020 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
6022 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
6025 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6027 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
6028 (tree_ssa_dominator_optimize): Increment it.
6029 (dump_dominator_optimization_stats): Print it.
6031 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
6032 Steven Bosscher <stevenb@suse.de>
6034 PR rtl-optimization/23117
6035 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
6036 when head == tail. Tidy comment.
6038 2005-07-28 Richard Henderson <rth@redhat.com>
6040 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
6041 * cselib.c (rtx_equal_for_cselib_p): Likewise.
6042 * jump.c (rtx_renumbered_equal_p): Likewise.
6043 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
6044 CONST_INT and CONST_DOUBLE.
6045 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
6046 * reload.c (operands_match_p): Special case CONST_INT and
6047 CONST_DOUBLE; check mode earlier.
6049 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6052 * c-typeck.c (convert_for_assignment): Do not check
6053 DECL_IN_SYSTEM_HEADER on NULL fundecl.
6055 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6058 * c-typeck.c (composite_type): Prefer constant size arrays to
6061 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6064 * real.c (real_from_string): Set last bit if there is a nonzero
6065 hex digit beyond GCC's internal precision.
6067 2005-07-28 Richard Henderson <rth@redhat.com>
6070 * cfgcleanup.c (try_forward_edges): Watch out for end of
6073 2005-07-28 James E Wilson <wilson@specifixinc.com>
6076 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
6078 2005-07-28 Jan Hubicka <jh@suse.cz>
6080 * Makefile.in (rtl-profile.o): Kill all traces of it.
6081 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
6082 * coverage.h (rtl_coverage_counter_ref): Kill.
6083 * opts.c (flag_speculative_prefetching_set): Kill.
6084 (flag_loop_optimize_set): New.
6085 (common_handle_option): Disable loop optimizer when profiling;
6086 do not handle speculative prefetching.
6087 * passes.c (init_optimization_passes): Replace pass_profiling combo
6088 by branch_prob pass.
6089 * profile.c (compute_value_histograms): Update for simplified value
6091 (rtl_register_profile_hooks): Kill.
6092 (pass_profiling): Kill.
6093 (rest_of_handle_branch_prob): Do not profile.
6094 * toplev.c (process_options): Remove speculative prefetching.
6095 * toplev.h (flag_tree_based_profiling): Kill.
6096 * tree-profile.c (prepare_instrumented_value,
6097 tree_gen_interval_profiler, tree_gen_pow2_profiler,
6098 tree_gen_one_value_profiler, do_tree_profiling): Update for
6099 simplified datastructures.
6100 * value-prof.c: Add comment that speculative prefetching was dropped;
6101 update rest of file for simplified datastructures.
6102 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
6103 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
6104 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
6105 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
6106 rtl_mod_subtract, gen_speculative_prefetch,
6107 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
6108 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
6109 (gate_handle_value_profile_transformations,
6110 rest_of_handle_value_profile_transformations,
6111 pass_value_profile_transformations): Kill.
6112 * value-prof.h (histogram_value_t): Remove IL based unions.
6113 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
6114 rtl_profile_hooks): Remove hooks.
6116 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
6118 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
6119 (cgraph_clone_node): Likewise.
6120 * cgraph.h (cgraph_clone_edge): Update prototype.
6121 (cgraph_clone_node): Likewise.
6122 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
6124 (lookup_recursive_calls): Consider profile.
6125 (cgraph_decide_recursive_inlining): Fix updating; use new
6126 probability argument; use profile.
6127 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
6128 * tree-inline.c (copy_bb): Update clal of clone_edge.
6129 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
6131 * invoke.texi (min-inline-recursive-probability): Document.
6133 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
6135 * doc/install.texi (Configuration): Update Valgrind homepage.
6137 2005-07-28 Richard Henderson <rth@redhat.com>
6140 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
6141 labels we want to delete.
6142 (cfg_layout_merge_blocks): Likewise.
6144 2005-07-28 Richard Henderson <rth@redhat.com>
6147 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
6148 when expanding to nothing.
6150 2005-07-28 Josh Conner <jconner@apple.com>
6152 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
6153 (cgraph_decide_inlining_of_small_functions): Likewise.
6155 2005-07-28 Josh Conner <jconner@apple.com>
6157 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
6158 direction of badness if negative.
6159 (cgraph_default_inline_p): Add reason to parameters, and assign it
6161 (cgraph_decide_inlining_of_small_functions): New parameter in call
6162 to cgraph_default_inline_p.
6163 (cgraph_decide_inlining_incrementally): Likewise.
6164 * cgraphunit.c (decide_is_function_needed): Likewise.
6165 * cgraph.h (cgraph_default_inline_p): Likewise.
6167 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6169 * builtins.c: Fix comment typo(s).
6170 * genautomata.c: Likewise.
6171 * gimplify.c: Likewise.
6172 * tree-dfa.c: Likewise.
6173 * tree-flow-inline.h: Likewise.
6174 * tree-into-ssa.c: Likewise.
6175 * tree-ssa-alias.c: Likewise.
6176 * tree-ssa-ccp.c: Likewise.
6177 * tree-ssa-copy.c: Likewise.
6178 * tree-ssa-dce.c: Likewise.
6179 * tree-ssa-dom.c: Likewise.
6180 * tree-ssa-operands.c: Likewise.
6181 * tree-tailcall.c: Likewise.
6182 * tree-vectorizer.c: Likewise.
6183 * tree-vrp.c: Likewise.
6186 2005-07-28 Jeff Law <law@redhat.com>
6188 * tree-vrp.c (test_for_singularity): Extracted from ...
6189 (simplify_cond_using_ranges): Attempt to simplify a relational
6190 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
6192 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
6194 PR tree-optimization/22506
6195 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
6196 phis whose argument is constant.
6198 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
6200 PR rtl-optimization/18992
6201 Back out this patch:
6202 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6203 PR optimization/12142
6204 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
6205 uses of the register in the SET_SRC. Remove unnecessary argument.
6207 Replace it with this:
6208 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
6209 if flag_non_call_exceptions is set and the insn may trap, pass
6210 pc_rtx as dest for recursion.
6211 In SET_SRC part of SET case, if dest is already set, pass it down
6214 2005-07-28 Jan Hubicka <jh@suse.cz>
6216 * cfg.c (update_bb_profile_for_threading): Use RDIV.
6217 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
6218 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
6220 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
6221 profile when available.
6223 2005-07-28 Jan Beulich <jbeulich@novell.com>
6225 * config/ia64/ia64.c (ia64_load_pair_ok): New.
6226 (ia64_print_operand): Describe and handle 'X'.
6227 (ia64_register_move_cost): Also handle FP_REGS.
6228 (ia64_preferred_reload_class): Likewise.
6229 (ia64_secondary_reload_class): Likewise.
6230 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
6231 it. Also check for ITANIUM_CLASS_FLDP.
6232 * config/ia64/ia64.h (FP_REGNO_P): New.
6233 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
6234 (reg_class): Add FP_REGS.
6235 (REG_CLASS_NAMES): Adjust for it.
6236 (REG_CLASS_CONTENTS): Likewise.
6237 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
6238 (REG_CLASS_FROM_LETTER): Handle 'x'.
6239 (CLASS_MAX_NREGS): Handle FP_REGS.
6240 (MEMORY_MOVE_COST): Likewise.
6241 * config/ia64/ia64.md (itanium_class): Add fldp.
6242 (type): Handle fldp.
6243 (movti_internal): More allowable operand combinations. Use ldfp8 when
6244 splitting unnecessary. Remove predicable attribute. Adjust
6245 itanium_class attribute.
6246 (smuldi3_highpart): Remove outdated comment.
6247 (mulditi3, umulditi3, rotlti3): New expanders.
6248 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
6249 (absti2): Disabled new insn for future reference.
6250 Respective new splitters.
6251 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
6252 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
6253 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
6255 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
6257 PR rtl-optimization/23047
6258 * simplify-rtx.c (simplify_const_relational_operation): Respect
6259 flag_wrapv for comparisons with ABS.
6261 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
6263 PR tree-optimization/22493
6264 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
6265 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
6267 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
6269 * config/frv/frv.opt (moptimize-membar): New.
6271 * doc/invoke.texi: Document -moptimize-membar and its inverse.
6273 * config/frv/frv.h: Remove machine_function definition.
6275 * config/frv/frv.c (struct frv_io): New.
6276 (struct machine_function): Moved from frv.h. Add has_membar_p.
6277 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
6278 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
6279 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
6280 (frv_optimize_membar_global, frv_optimize_membar): New functions.
6281 (frv_reorg): Call frv_optimize_membar when appropriate.
6282 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
6283 (frv_expand_builtin): Adjust calls accordingly.
6284 (frv_io_address_cookie): New function.
6285 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
6286 load or store rather than a special insn. Add ccnstant address and
6287 io-type operands to the membar.
6288 (frv_ifcvt_modify_tests): Unsign regno.
6289 (frv_ifcvt_modify_tests): Same.
6291 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
6292 UNSPEC_OPTIONAL_MEMBAR constant.
6293 (builtin_read_<mode>): Delete.
6294 (builtin_write_<mode>): Delete.
6295 ("optional_membar_<mode>"): Add operand.
6297 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
6298 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
6299 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
6300 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
6301 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
6302 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
6303 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
6304 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
6305 * testsuite/gcc.target/frv/all-read-write-1.c: New.
6307 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
6309 * df.c (df_uses_record): Handle SCRATCH.
6311 2005-07-28 Steven Bosscher <stevenb@suse.de>
6314 * passes.c (rest_of_decl_compilation): If decl is a type and
6315 we have encountered errors, don't emit debug information.
6317 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6319 * params.def: Fixed comment.
6321 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
6324 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
6325 (TARGET_ASM_UNALIGNED_HI_OP): Add.
6326 (TARGET_ASM_UNALIGNED_SI_OP): Add.
6328 2005-07-27 Steven Bosscher <stevenb@suse.de>
6331 * varasm.c (assemble_start_function): Don't do anything that may
6332 require a CFG if the current function is a thunk.
6334 2005-07-25 Geoffrey Keating <geoffk@apple.com>
6336 * doc/install.texi (Prerequisites): Mention that perl is needed
6337 to do export control in libstdc++ targetting Darwin.
6339 2005-07-27 Steven Bosscher <stevenb@suse.de>
6341 PR rtl-optimization/17808
6342 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
6343 (sched_insns_conditions_mutex_p): Split out from...
6344 (add_dependence): ...here. But don't call it from here.
6345 (add_dependence_list): Check sched_insns_conditions_mutex_p
6346 before calling add_dependence.
6347 (add_dependence_list_and_free): Likewise.
6348 (fixup_sched_groups): Likewise.
6349 (sched_analyze_1): Likewise.
6350 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
6351 (sched_analyze): Likewise.
6352 (sched_analyze_insn): Likewise.
6353 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
6354 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
6355 dependencies on all COND_EXEC insns to jumps ending basic blocks
6356 when doing intrablock scheduling.
6357 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
6359 2005-07-27 Jeff Law <law@redhat.com>
6361 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
6362 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
6363 equivalency sets, correctly handle the case were vr0 has an
6364 equivalency set, but vr1 does not.
6366 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
6368 PR tree-optimization/23073
6369 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
6370 vect_print_dump_info before fprintf.
6372 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6374 PR tree-optimize/22348
6375 * tree-ssa-loop-niter.c (number_of_iterations_cond):
6376 Fold the partial computation.
6378 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6380 PR tree-optimization/22325
6381 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
6383 * tree-scalar-evolution.c (scev_const_prop): Add generic final
6385 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
6386 (force_var_cost): ... this function.
6387 (compute_phi_arg_on_exit): Export.
6389 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6391 PR tree-optimization/20773
6392 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
6395 2005-07-27 Richard Guenther <rguenther@suse.de>
6397 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
6398 Avoid pushing again if current struct contains only
6399 fields we decomposed.
6401 2005-07-27 Jan Hubicka <jh@suse.cz>
6403 PR tree-optimization/22574
6404 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
6407 * tree-tailcall.c (decrease_profile): New function.
6408 (eliminate_tail_call): Use it.
6410 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
6411 visibility flags correctly in whole program mode.
6413 2005-07-26 Steve Ellcey <sje@cup.hp.com>
6415 PR rtl-optimization/22472
6416 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
6418 2005-07-26 Steven Bosscher <stevenb@suse.de>
6420 PR tree-optimization/22504
6421 * tree-complex.c (expand_complex_addition): Use 'code' instead
6422 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
6424 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
6426 * config.gcc (cpu_type): Add frv case.
6427 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
6428 (supported_defaults): Add fr550 case.
6430 2005-07-26 Diego Novillo <dnovillo@redhat.com>
6433 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
6434 whether a pointer of type T * may point to objects of type T *.
6436 2005-07-26 DJ Delorie <dj@redhat.com>
6438 * configure: Regenerate.
6440 2005-07-26 Dale Johannesen <dalej@apple.com>
6442 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
6444 2005-07-26 Mark Mitchell <mark@codesourcery.com>
6446 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
6447 Clarify use of "build" in name.
6449 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
6451 * doc/extend.texi (Raw read/write Functions): New section.
6452 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
6453 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
6454 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
6455 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
6456 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
6457 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
6458 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
6459 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
6460 * config/frv/frv.c: Add bdesc_loads global.
6461 Add bdesc_stores global.
6462 (frv_init_builtins): Add support for __builtin_{read/write}*.
6463 (frv_volatile_memref): New.
6464 (frv_expand_load_builtin): New.
6465 (frv_expand_store_builtin): New.
6466 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
6467 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
6468 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
6469 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
6470 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
6471 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
6472 (builtin_read_<mode>): New.
6473 (builtin_write_<mode>): New.
6474 (builtin_write64): New.
6475 (optional_membar_<mode>): New.
6477 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
6479 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
6480 (rather than units) against HOST_BITS_PER_WIDE_INT.
6482 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
6484 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
6485 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
6486 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
6487 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
6490 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
6491 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
6492 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
6494 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
6496 2005-07-26 Richard Guenther <rguenther@suse.de>
6498 PR tree-optimization/22486
6499 * fold-const.c (fold_unary): Fold away useless component
6500 references of the form (T *)&T.x, if the address
6503 2005-07-25 James E Wilson <wilson@specifixinc.com>
6505 * dwarf2out.c (add_call_src_coords_attributes): New.
6506 (gen_inlined_subroutine_die): Call it.
6507 (maybe_emit_file, init_file_table): Add comments.
6508 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
6510 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
6511 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
6512 * tree.h (BLOCK_SOURCE_LOCATION): New.
6513 (struct tree_block): New field locus.
6515 2005-07-26 Andreas Schwab <schwab@suse.de>
6517 PR rtl-optimization/23043
6518 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
6519 when allocating a struct unoccr.
6521 2005-07-25 Richard Henderson <rth@redhat.com>
6524 * tree-complex.c (gate_no_optimization): True if errors.
6525 * Makefile.in (tree-complex.o): Update dependencies.
6527 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
6529 * config/frv/predicates.md (integer_register_operand): Use
6532 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
6535 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
6537 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
6539 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
6541 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
6542 types when flag_unsafe_math_optimizations is true.
6544 2005-07-25 Mark Mitchell <mark@codesourcery.com>
6546 * gcc.c (option_map): Add --sysroot.
6547 (process_command): Handle --sysroot.
6548 (display_help): Document it.
6549 * doc/cppopts.tex (-isysroot): Document.
6550 * doc/invoke.texi (--sysroot): Document.
6551 * doc/install.texi (--with-build-sysroot): Document.
6553 * Makefile.in (inhibit_libc): New variable.
6554 (INHIBIT_LIBC_CFLAGS): Likewise.
6555 (LIBGCC2_CFLAGS): Include
6556 $(INHIBIT_LIBC_CFLAGS).
6557 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
6558 ($(T)crtbegin.o): Do not use @inhibit_libc@.
6559 ($(T)crtend.o): Likewise.
6560 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
6561 ($(T)crtendS.o): Likewise.
6562 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
6563 ($(T)crtendT.o): Likewise.
6564 (stmp-fixinc): Do not complain about missing headers if
6566 * configure.ac (inhibit_libc): Set it to true/false.
6567 (--with-build-sysroot): New option. Use it to set
6569 * configure: Regenerated.
6571 2005-07-25 Manfred Hollstein <mh@suse.com>
6573 * calls.c (store_one_arg): Fix unsigned comparison warning.
6575 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
6578 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
6579 (ggc_print_statistics): Initialize variable before use.
6581 2005-07-25 Richard Guenther <rguenther@suse.de>
6583 * tree-dfa.c (mark_new_vars_to_rename): Protect against
6584 calling with a PHI_NODE argument.
6586 * tree-flow-inline.h (overlap_subvar): Protect against
6589 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
6591 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
6592 * configure: Regenerate.
6594 2005-07-25 Ira Rosen <irar@il.ibm.com>
6596 * expr.c (highest_pow2_factor): Make extern.
6597 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
6598 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
6599 record_array_differ_p, array_ptr_differ_p): Likewise.
6600 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
6601 additional cases. Call the above functions.
6602 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
6603 base_object_differ_p when there are two base objects. Otherwise, compare
6604 base address and offset. Call may_alias_p.
6605 (dump_data_reference): Use a correct field name.
6606 (analyze_array): Make static. Initialize new data-ref fields.
6607 (analyze_indirect_ref): New function.
6608 (init_data_ref): Initialize new data-ref fields.
6609 (strip_conversion): Moved from tree-vect-analyze.c.
6610 (analyze_offset_expr, get_ptr_offset, address_analysis,
6611 object_analysis): Likewise.
6612 (analyze_offset): New function.
6613 (create_data_ref): Likewise.
6614 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
6615 dimensions for ARRAY_REFs only.
6616 (build_classic_dist_vector): Make static.
6617 (access_functions_are_affine_or_constant_p): Call macro to get the
6618 address of access functions.
6619 (compute_all_dependences): Add new parameter
6620 compute_self_and_read_read_dependences. Compute self and read-read
6621 dependences if it is true.
6622 (find_data_references_in_loop): Call create_data_ref. Initialize new
6624 (compute_data_dependences_for_loop): Add new parameter
6625 compute_self_and_read_read_dependences. Remove parameter nb_loops,
6626 compute nb_loops. Call compute_all_dependences,
6627 build_classic_dist_vector and build_classic_dir_vector with correct
6629 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
6630 with correct parameters. Compare dimensions for ARRAY_REFs only.
6631 (free_data_refs): Call macro to free access functions.
6632 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
6633 fields from stmt_vinfo.
6634 (struct base_object_info): New structure.
6635 (struct data_reference): Move fields to base_object_info. Add fields
6636 first_location and object_info for above structures. Move fields from
6637 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
6638 aligned_to. Add macros to access the new fields.
6639 Update functions declarations.
6640 * tree-flow.h (is_aliased_with): Declare.
6641 * tree-loop-linear.c (linear_transform_loops): Call
6642 compute_data_dependences_for_loop with correct parameters.
6643 * tree-ssa-alias.c (is_aliased_with): New function.
6644 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
6645 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
6646 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
6647 vect_base_addr_differ_p, compute_subscript_distance and
6648 build_classic_dist_vector. Add printings. Check absolute value of
6650 (vect_analyze_data_ref_dependences): Go through ddrs instead of
6652 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
6653 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
6654 to bytes. Add printing.
6655 (vect_compute_data_refs_alignment): Go through loads and stores in one
6657 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
6658 vect_analyze_data_ref_access): Likewise.
6659 (vect_analyze_pointer_ref_access): Remove.
6660 (vect_address_analysis, vect_object_analysis): Likewise.
6661 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
6662 and analyze data-refs in the loop.
6663 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
6664 fields of data-ref instead of stmt. Add init to the offset from the
6666 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
6667 (vect_update_init_of_dr): Likewise.
6668 (vect_update_inits_of_drs): Go through loads and stores in one loop.
6669 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
6671 (new_loop_vec_info): Initialize new fields.
6672 (destroy_loop_vec_info): Free new fields.
6673 (vect_strip_conversion): Remove.
6674 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
6675 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
6676 datarefs. Add new field ddrs.
6677 Add macros for the new fields access.
6678 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
6679 base_aligned_p, misalignment, memtag, ptr_info and subvars.
6680 Remove their macros.
6681 * tree.h (highest_pow2_factor): Declare.
6683 2005-07-25 Jakub Jelinek <jakub@redhat.com>
6685 * calls.c (store_one_arg): Check for sibling call MEM arguments
6686 from already clobbered incoming argument area.
6688 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6690 * c-common.c (check_missing_format_attribute): New.
6691 * c-common.h (check_missing_format_attribute): Likewise.
6692 * c-typeck.c (convert_for_assignment): Use it.
6694 2005-07-24 Andreas Schwab <schwab@suse.de>
6696 * config/m68k/m68k.md ("extendqidi2"): When source is an address
6697 register use a word move. Correct operand of ext.w in 68000 code.
6699 2005-07-23 Mark Mitchell <mark@codesourcery.com>
6701 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
6702 variables as declarations, rather than definitions.
6704 2005-07-24 Ira Rosen <irar@il.ibm.com>
6706 PR tree-optimization/22526
6707 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
6710 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6712 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
6713 that C99 reserve for future use. Use it to define clog10,
6714 clog10f and clog10l.
6716 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6718 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
6719 * configure.ac: Check for -Wmissing-format-attribute.
6721 * configure: Regenerate.
6723 2005-07-23 Richard Henderson <rth@redhat.com>
6725 PR tree-optimization/22623
6726 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
6728 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
6731 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
6733 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6735 * Makefile.in (C_TREE_H): Update dependencies.
6736 * c-tree.h: Include toplev.h.
6737 * diagnostic.h (diagnostic_set_info): Add format attribute.
6738 * rtl-error.c (diagnostic_for_asm): Likewise.
6740 2005-07-23 Chao-ying Fu <fu@mips.com>
6742 * config/mips/mips-dsp.md: New file.
6743 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
6744 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
6746 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
6747 MIPS_BUILTIN_BPOSGE32.
6748 (mips_expand_builtin_direct): Add one parameter to indicate that
6749 builtin functions need to return a value.
6750 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
6752 (mips_regno_to_class): Add classes for 12 new DSP registers.
6753 (mips_subword): Change to check four HI registers.
6754 (mips_output_move): Output move to and from 6 new DSP accumulators.
6755 (override_options): Make sure -mdsp and -mips16 are not used together.
6756 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
6758 (mips_conditional_register_usage): Disable 6 new DSP accumulators
6760 (print_operand): Add 'q' for printing DSP accumulators.
6761 (mips_cannot_change_mode_class): Check ACC_REGS.
6762 (mips_secondary_reload_class): Check ACC_REGS.
6763 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
6764 (mips_register_move_cost): Check ACC_REGS.
6765 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
6766 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
6767 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
6768 (dsp_bdesc): New array.
6769 (bdesc_arrays): Add DSP builtin function table.
6770 (mips_prepare_builtin_arg): Check predicate again after
6772 (mips_expand_builtin): Add one more parameter to
6773 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
6774 MIPS_BUILTIN_BPOSGE32.
6775 (mips_init_builtins): Initialize new function types.
6776 (mips_expand_builtin_direct): Check if builtin functions need to
6777 return a value and pass operands properly.
6778 (mips_expand_builtin_bposge): New function.
6779 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
6780 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
6781 (FIRST_PSEUDO_REGISTER): Increase to 188.
6782 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6783 Update for 12 new DSP registers.
6784 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
6785 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
6786 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
6787 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
6788 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
6789 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
6790 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
6791 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
6792 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
6793 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
6794 (REGISTER_NAMES): Add names for 12 new DSP registers.
6795 * config/mips/mips.md: Include mips-dsp.md.
6796 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
6797 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
6798 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
6799 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
6800 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
6801 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
6802 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
6803 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
6804 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
6805 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
6806 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
6807 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
6808 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
6809 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
6810 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
6811 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
6812 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
6813 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
6814 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
6815 (UNSPEC_RDDSP): New constants.
6816 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
6817 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
6819 * config/mips/mips.opt (-mdsp): New option.
6820 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
6821 (reg_imm10_operand): New predicates.
6822 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
6823 * doc/invoke.texi (-mdsp): Document new option.
6825 2005-07-22 DJ Delorie <dj@redhat.com>
6827 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
6829 * tree-inline.c (inlinable_function_p): Likewise.
6831 2005-07-22 Mark Mitchell <mark@codesourcery.com>
6834 * toplev.c (check_global_declarations): Do not mark undefined
6835 variables as DECL_IGNORED_P.
6836 * varasm.c (first_global_object_name): GTY it.
6837 (weak_global_object_name): Likewise.
6838 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
6839 a string to go into {weak,first}_global_object_name.
6841 2005-07-22 DJ Delorie <dj@redhat.com>
6843 * c-format.c (check_function_format): Change warning control
6844 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
6846 2005-07-22 Diego Novillo <dnovillo@redhat.com>
6848 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
6849 &PTR->FLD a dereference of PTR.
6850 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
6851 a potential dereference of PTR.
6853 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
6855 PR rtl-optimization/20370
6856 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
6857 call allocate_reg_info if necessary.
6859 PR rtl-optimization/21848
6860 * calls.c (emit_library_call_value_1): For const functions, add
6861 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
6863 PR rtl-optimization/22445
6864 * cselib.c (target.h): Include.
6865 (rtx_equal_for_cselib_p): Allow commutative matches.
6866 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
6867 Remove MODE parameter. Changed all callers.
6869 PR rtl-optimization/22258
6870 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
6872 (try_combine): Use likely_spilled_retval_p.
6874 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
6876 * config.gcc: Add crx-elf support.
6878 * doc/contrib.texi: Mention crx.
6879 * doc/extend.texi: Document crx extensions.
6880 * doc/install.texi: Document crx install.
6881 * doc/invoke.texi: Document crx options.
6882 * doc/md.texi: Document crx constraints.
6884 * config/crx/crx-protos.h: New file.
6885 * config/crx/crx.c: New file.
6886 * config/crx/crx.h: New file.
6887 * config/crx/crx.md: New file.
6888 * config/crx/crx.opt: New file.
6889 * config/crx/t-crx: New file.
6891 2005-07-22 Manfred Hollstein <mh@suse.com>
6893 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
6895 (int_add_graph_edge): Likewise.
6896 (collapse_nodes): Likewise.
6897 (process_unification_queue): Likewise.
6899 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6900 Laurent GUERBY <laurent@guerby.net>
6902 PR tree-optimization/22336
6903 * function.c (record_block_change): Check for
6904 cfun->ib_boundaries_block.
6906 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
6908 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
6909 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
6911 2005-07-21 DJ Delorie <dj@redhat.com>
6913 * toplev.c (warn_deprecated_use): Add warning control to warning
6915 * c-typeck.c (parser_build_binary_op): Likewise.
6916 (c_finish_if_stmt): Likewise.
6917 * c-common.c (check_function_sentinel): Likewise.
6918 (check_nonnull_arg): Likewise.
6920 2005-07-21 Richard Henderson <rth@redhat.com>
6923 * tree-complex.c (complex_ssa_name_components): New.
6924 (cvc_lookup): Allow entry not found.
6925 (create_components): Remove.
6926 (create_one_component_var, get_component_var): New.
6927 (get_component_ssa_name, set_component_ssa_name): New.
6928 (extract_component): Use get_component_ssa_name.
6929 (update_complex_components): Use set_component_ssa_name.
6930 (update_complex_components_on_edge): Likewise.
6931 (update_phi_components): Create new PHI nodes directly, instead
6932 of adding insns to edges.
6933 (tree_lower_complex): Allocate and free complex_variable_components
6934 and complex_ssa_name_components here.
6936 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
6938 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
6939 revert to returning false.
6941 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6944 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
6946 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6949 * config/i386/i386.md (cmpxf): Change operand constraints
6950 to "nonmemory_operand".
6952 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6954 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
6956 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6959 * fold-const.c (fold_build1): Add checksum for the operands.
6960 (fold_build2): Likewise.
6961 (fold_build3): Likewise.
6963 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6966 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
6968 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6970 * common.opt (-fforward-propagate): Committed by mistake,
6973 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6975 * reg-stack.c: Fix comment typo(s).
6976 * tree-ssa-operands.c: Likewise.
6977 * tree-vectorizer: Likewise.
6979 2005-07-21 Nick Clifton <nickc@redhat.com>
6981 * config/sh/symbian.c: Replace C++ style line comments with C
6982 style line comments.
6983 (symbian_add_attribute): Do not use a ? operator on the LHS of
6985 (sh_symbian_handle_dll_attribute): Change the type of the
6986 method vector to "VEC(tree,gc)*" and use vector accessor
6987 macros to walk over the elements.
6988 (symbian_export_vtable_and_rtti_p): Likewise.
6989 (symbian_class_needs_attribute_p): Likewise.
6991 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6994 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
6995 initialize targetm.resolve_overloaded_builtin here.
6996 (altivec_expand_overloaded_builtin): Make it non-static.
6997 * config/rs6000/rs6000-protos.h
6998 (altivec_expand_overloaded_builtin): New prototype.
6999 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
7000 targetm.resolve_overloaded_builtin here.
7001 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
7003 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7004 Zdenek Dvorak <dvorakz@suse.cz>
7006 PR tree-optimization/19210
7007 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
7009 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
7010 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
7011 rely on unproven assumptions.
7012 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
7013 * tree-flow.h (number_of_iterations_exit): Add final parameter.
7014 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
7015 to number_of_iterations_exit.
7016 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
7017 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
7018 * tree-ssa-loop-niter.c (find_loop_niter,
7019 estimate_numbers_of_iterations_loop): Likewise.
7020 (number_of_iterations_exit): Honor the new options.
7021 * doc/invoke.texi (Wunsafe-loop-optimizations,
7022 funsafe-loop-optimizations): Document them.
7024 2005-07-21 Richard Sandiford <richard@codesourcery.com>
7026 PR rtl-optimization/22167
7027 * gcse.c (hoist_code): Fix hoist_exprs[] check.
7029 2005-07-20 Adam Nemet <anemet@lnxw.com>
7031 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
7032 __do_global_dtors_aux longcall.
7034 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
7036 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
7037 (old_special_pred_table): Don't reference
7038 SPECIAL_MODE_PREDICATES.
7039 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
7040 * config/arc/arc.h: Don't mention PREDICATE_CODES.
7041 * config/sh/predicates.h: Don't mention
7042 SPECIAL_MODE_PREDICATES.
7043 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
7046 2005-07-20 DJ Delorie <dj@redhat.com>
7048 * config.gcc: Add m32c-elf support.
7050 * doc/contrib.texi: Mention m32c.
7051 * doc/extend.texi: Document m32c extensions.
7052 * doc/install.texi: Mention m32c.
7053 * doc/invoke.texi: Document m32c options.
7054 * doc/md.texi: Document m32c constraints.
7056 * config/m32c/addsub.md: New file.
7057 * config/m32c/bitops.md: New file.
7058 * config/m32c/cond.md: New file.
7059 * config/m32c/jump.md: New file.
7060 * config/m32c/m32c-lib1.S: New file.
7061 * config/m32c/m32c-lib2.c: New file.
7062 * config/m32c/m32c-modes.def: New file.
7063 * config/m32c/m32c-pragma.c: New file.
7064 * config/m32c/m32c-protos.h: New file.
7065 * config/m32c/m32c.abi: New file.
7066 * config/m32c/m32c.c: New file.
7067 * config/m32c/m32c.h: New file.
7068 * config/m32c/m32c.md: New file.
7069 * config/m32c/m32c.opt: New file.
7070 * config/m32c/minmax.md: New file.
7071 * config/m32c/mov.md: New file.
7072 * config/m32c/muldiv.md: New file.
7073 * config/m32c/predicates.md: New file.
7074 * config/m32c/prologue.md: New file.
7075 * config/m32c/shift.md: New file.
7076 * config/m32c/t-m32c: New file.
7078 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
7080 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7081 (stack_protect_set, stack_protect_test): New expanders.
7082 (stack_protect_set_si, stack_protect_set_si_media,
7083 stack_protect_set_di_media, stack_protect_test_si,
7084 stack_protect_test_si_media, stack_protect_test_di_media):
7087 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
7089 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
7091 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
7093 * tree.h (tree_expr_nonzero_p): Export.
7094 * fold-const.c (tree_expr_nonzero_p): Likewise.
7095 Return true for CALL_EXPRs that are alloca calls.
7096 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
7098 * tree-flow.h (expr_computes_nonzero): Remove.
7099 * tree-vrp.c (expr_computes_nonzero): Remove.
7100 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
7101 (extract_range_from_unary_expr): Likewise.
7102 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
7103 tree_expr_nonzero_p.
7105 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
7107 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
7108 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
7109 extra arg "picreg" and use it instead of pic_offset_table_rtx.
7110 All callers changed.
7111 (frame_related_constant_load): New arg "related" which controls
7112 setting of RTX_FRAME_RELATED_P. All callers changed.
7113 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
7114 (bfin_expand_prologue): Add stack limit checking.
7115 * config/bfin/bfin.md (trapifcc): New pattern.
7117 * config/bfin/bfin.c: Include "langhooks.h".
7118 (def_builtin): Go through lang_hooks to call builtin_function.
7120 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
7121 * config/bfin/predicates.md (symbol_ref_operand): New.
7122 (call_insn_operand): Delete. All callers changed to use
7123 register_no_elim_operand.
7124 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
7126 (function_arg): Use it to generate the call's operand 2.
7127 (bfin_longcall_p): New function.
7128 (bfin_expand_call): Extra arg "cookie". All callers and declaration
7129 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
7130 determine if the address needs to be in a REG.
7131 (bfin_handle_longcall_attribute): New function.
7132 (bfin_attribute_table): Add "longcall" and "shortcall".
7133 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
7134 (CUMULATIVE_ARGS): New member call_cookie.
7135 (PREDICATE_CODES): Add symbol_ref_operand.
7136 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
7137 extra USE to the pattern.
7138 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
7139 New patterns, split off call_insn, sibcall_insn, call_value_insn and
7140 sibcall_value_insn; now the new patterns handle direct calls and the
7141 old ones indirect calls.
7142 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
7144 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
7146 * doc/trouble.texi: Update section on handling of empty loops.
7148 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
7150 * config.gcc: Remove support for sparc-*-openbsd*,
7151 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
7153 * config.host: Remove support for i860-*-sysv4* as a host.
7154 * config/i860/*, config/ip2k/*, config/ns32k/*,
7155 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
7156 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
7157 mention obsolete ports.
7159 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
7161 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
7163 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
7164 of frame_pointer_rtx.
7165 (sh_expand_epilogue): Likewise.
7166 (sh_set_return_address): Likewise.
7167 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
7168 instead of FRAME_POINTER_REGNUM if needed. Add elimination
7169 offsets from FRAME_POINTER_REGNUM.
7170 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
7171 (sh_register_names): Add initializer for sfp.
7172 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
7173 (VALID_REGISTER_P): Likewise.
7174 (FIRST_PSEUDO_REGISTER): Update.
7175 (DWARF_FRAME_REGISTERS): Define.
7176 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
7177 (HARD_FRAME_POINTER_REGNUM): Define.
7178 (FRAME_POINTER_REGNUM): Redefine.
7179 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
7180 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
7181 from FRAME_POINTER_REGNUM.
7182 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
7183 FRAME_POINTER_REGNUM.
7184 (REG_CLASS_CONTENTS): Add sfp.
7185 (REG_ALLOC_ORDER): Likewise.
7186 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
7187 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
7188 of frame_pointer_rtx.
7189 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
7191 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
7193 * fold-const.c (tree_expr_nonnegative_p): Only return true for
7194 ABS_EXPR when flag_wrapv is false because of INT_MIN.
7195 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
7197 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
7200 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
7202 Make CONSTRUCTOR use VEC to store initializers.
7203 * c-common.c (complete_array_type): Update to cope with VEC in
7205 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
7206 (pp_c_constructor_elts): New function.
7207 * c-pretty-print.h (pp_c_constructor_elts): Declare.
7208 * c-typeck.c (build_function_call, build_c_cast, digest_init,
7209 struct constructor_stack, struct initializer_stack,
7210 constructor_elements, push_init_level, pop_init_level,
7211 add_pending_init, find_init_member, output_init_element): Update to
7212 cope with VEC in CONSTRUCTOR_ELTS.
7213 * coverage.c (build_fn_info_value, build_ctr_info_value,
7214 build_gcov_info): Likewise.
7215 * expr.c (categorize_ctor_elements_1, store_constructor,
7216 expand_expr_real_1): Likewise.
7217 * fold-const.c (fold_ternary): Likewise.
7218 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
7219 gimplify_init_constructor, gimplify_expr): Likewise.
7220 * tree-dump.c (dequeue_and_dump): Likewise.
7221 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
7223 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
7225 * tree-sra.c (generate_element_init_1): Likewise.
7226 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
7227 * tree-ssa-operands.c (get_expr_operands): Likewise.
7228 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
7229 * tree-vect-transform.c (vect_get_vec_def_for_operand):
7230 (get_initial_def_for_reduction): Likewise.
7231 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
7232 value handle in annotations.
7233 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
7234 tree_node_structure): Add support for constr_kind.
7235 (build_vector_from_ctor, build_constructor_single,
7236 build_constructor_from_list): New functions.
7237 (build_constructor): Update to take a VEC instead of a TREE_LIST.
7238 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
7239 Update to cope with VEC in CONSTRUCTOR_ELTS.
7240 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
7241 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
7242 CONSTRUCTOR_APPEND_ELT): New macros.
7243 (struct constructor_elt, struct tree_constructor): New data types.
7244 (union tree_node): Add tree_constructor field.
7245 * treestruct.def: Define TS_CONSTRUCTOR.
7246 * varasm.c (const_hash_1, compare_constant, copy_constant,
7247 compute_reloc_for_constant, output_addressed_constants,
7248 initializer_constant_valid_p, output_constant,
7249 array_size_for_constructor, output_constructor): Update to cope with
7250 VEC in CONSTRUCTOR_ELTS.
7251 * vec.h (VEC_empty, VEC_copy): New macros.
7253 2005-07-19 Devang Patel <dpatel@apple.com>
7255 * dbxout.c (dbxout_type): Check Objective-C++ lang.
7257 2005-07-19 Richard Henderson <rth@redhat.com>
7260 * gimplify.c (gimplify_expr): Use main variant type for the temp
7261 destination for a discarded volatile read.
7262 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
7263 casts between non-void types that change volatility.
7265 2005-07-15 DJ Delorie <dj@redhat.com>
7267 * toplev.h: Add comment about the first parameter for warning().
7268 * errors.h: Likewise.
7270 * c.opt (Wpragmas): New.
7271 * doc/invoke.texi: Document it.
7273 * function.c (do_warn_unused_parameter): Add warning control to
7275 * c-decl.c (warn_if_shadowing): Likewise.
7276 * c-lex.c (cb_def_pragma): Likewise.
7277 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
7278 (pop_alignment): Likewise.
7279 (handle_pragma_pack): Likewise.
7280 (apply_pragma_weak): Likewise.
7281 (handle_pragma_weak): Likewise.
7282 (handle_pragma_redefine_extname): Likewise.
7283 (add_to_renaming_pragma_list): Likewise.
7284 (handle_pragma_extern_prefix): Likewise.
7285 (maybe_apply_renaming_pragma): Likewise.
7286 (handle_pragma_visibility): Likewise.
7288 * config/c4x/c4x-c.c (BAD): Likewise.
7289 (c4x_parse_pragma): Likewise.
7290 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
7291 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
7292 (rs6000_pragma_longcall): Likewise.
7293 * config/v850/v850-c.c (pop_data_area): Likewise.
7294 (ghs_pragma_section): Likewise.
7295 (ghs_pragma_section): Likewise.
7296 (ghs_pragma_interrupt): Likewise.
7297 (ghs_pragma_starttda): Likewise.
7298 (ghs_pragma_startsda): Likewise.
7299 (ghs_pragma_startzda): Likewise.
7300 (ghs_pragma_endtda): Likewise.
7301 (ghs_pragma_endsda): Likewise.
7302 (ghs_pragma_endzda): Likewise.
7304 2005-07-19 Danny Berlin <dberlin@dberlin.org>
7305 Kenneth Zadeck <zadeck@naturalbridge.com>
7307 * Makefile.in: Removed tree-promote-statics.c
7308 * tree-promote-statics.c: Removed.
7309 * common.opt: Removed flag-promote-statics.
7311 * passes.c: Removed tree-promote-statics pass.
7312 * tree-pass.h: Ditto.
7313 * timevar.def: Removed TV_PROMOTE_STATICS.
7316 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
7318 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
7320 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
7322 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7325 * c-common.c (check_function_arguments): Call
7326 'check_function_format' if either -Wformat or
7327 -Wmissing-format-attribute are specified.
7328 * c-format.c (check_function_format): Check -Wformat before
7329 calling 'check_format_info'.
7330 * c-opts.c (c_common_post_options): Don't warn for
7331 -Wmissing-format-attribute without -Wformat.
7332 * c-typeck.c (convert_for_assignment): Detect additional cases for
7333 -Wmissing-format-attribute.
7334 * doc/invoke.texi (-Wmissing-format-attribute): Document new
7337 2005-07-19 Richard Guenther <rguenther@suse.de>
7339 * config/i386/i386.md (lrint<mode>2): Use temporary
7340 instead of clobbering non-existent memory.
7342 2005-07-19 Nick Clifton <nickc@redhat.com>
7344 * config/avr/avr.c (legitimate_address_p): Fix debugging print
7345 statement to avoid displaying ASCII control characters.
7347 2005-07-19 Ben Elliston <bje@au.ibm.com>
7349 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
7350 * cfganal.c (find_edge_index): Ditto.
7351 * combine.c (combine_instructions): Ditto.
7352 * ddg.c (create_scc): Ditto.
7353 (find_successors): Ditto.
7354 (find_predecessors): Ditto.
7355 (find_nodes_on_paths): Ditto.
7356 (longest_simple_path): Ditto.
7357 * flow.c (update_life_info): Ditto.
7358 (count_or_remove_death_notes): Ditto.
7359 (clear_log_links): Ditto.
7360 * modulo-sched.c (generate_reg_moves): Ditto.
7361 (find_max_asap): Ditto.
7362 (find_max_hv_min_mob): Ditto.
7363 (find_max_dv_min_mob): Ditto.
7364 * sbitmap.c (sbitmap_first_set_bit): Ditto.
7365 * sched-rgn.c (extract_edgelst): Ditto.
7366 * tree-into-ssa.c (prepare_names_to_update): Ditto.
7367 (dump_update_ssa): Ditto.
7368 (ssa_names_to_replace) Ditto.
7369 (switch_virtuals_to_full_rewrite): Ditto.
7370 (update_ssa): Ditto.
7371 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
7373 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
7375 Fix PR tree-optimization/22483
7377 * tree-complex.c (create_components): Use
7378 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
7379 * tree-flow-inline.h (fill_referenced_var_vec): New function.
7380 * tree-flow.h (safe_referenced_var_iterator): New structure.
7381 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
7382 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
7383 safe_referenced_var iterator.
7384 (add_type_alias): Ditto.
7386 2005-07-19 Steven Bosscher <stevenb@suse.de>
7388 * loop-init.c (rest_of_handle_loop2): Remove.
7389 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
7390 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
7391 (pass_rtl_loop_init, pass_rtl_loop_done,
7392 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
7393 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
7394 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
7395 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
7396 pass_tree_loop_done, and pass_tree_unswitch.
7397 (gate_loop): Rename to gate_tree_loop.
7398 * passes.c (init_optimization_passes): Update for renamed tree
7399 loop passes. Add the new loop2 passes as subpasses of loop2.
7400 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
7401 Update for the renamed tree loop passes.
7403 2005-07-18 Ian Lance Taylor <ian@airs.com>
7406 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
7407 blocks when optimizing.
7409 2005-07-18 Steve Ellcey <sje@cup.hp.com>
7411 * common.opt (frename-registers): Initialize to 2.
7413 (fgcse-after-reload): Ditto.
7414 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
7415 (process_options): Only change flag_web, flag_rename_registers,
7416 and flag_rerun_cse_after_loop if not explicitly set by user.
7418 2005-07-18 Jan Beulich <jbeulich@novell.com>
7420 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
7421 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
7422 in 64-bit mode the same as DImode in 32-bit mode.
7423 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
7424 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
7425 mode. Add new mode parameter.
7426 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
7427 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
7428 x86_64_shift_adj): New expanders.
7429 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
7430 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
7432 Respective new splitters. Use renamed shift splitter helpers in 32-bit
7433 DImode shift splitters.
7434 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
7435 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
7438 2005-07-18 Jan Beulich <jbeulich@novell.com>
7440 * i386.md (movdi_extzv_1): New.
7441 (zero_extendhidi2): Combine alternatives and never force use of
7443 (zero_extendqidi2): Likewise. Don't restrict input selection.
7445 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7447 Fix PR tree-optimization/22531
7448 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
7451 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7453 * tree-promote-statics.c (pass_promote_statics): Change dump file
7456 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7458 * tree-optimize.c (init_tree_optimization_passes): Add
7459 pass_eliminate_useless_stores pass.
7460 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
7461 * tree-ssa-pre.c (is_copy_stmt): New function.
7462 (follow_copies_till_vuse): Ditto.
7463 (do_eustores): Ditto.
7464 (gate_eustores): Ditto.
7466 2005-07-16 Richard Henderson <rth@redhat.com>
7468 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
7470 2005-07-16 Danny Berlin <dberlin@dberlin.org>
7471 Kenneth Zadeck <zadeck@naturalbridge.com>
7473 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
7474 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
7475 ipa-type-escape.h, tree-promote-statics.c
7476 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
7477 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
7478 tree-promote-statics.c: new files.
7479 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
7480 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
7481 int nonlocal_set_p, mark_constant_function): Deleted.
7482 (rest_of_handle_cfg): Removed call to mark_constant_function.
7483 (nonoverlapping_component_refs_p): Added calls to support
7484 type based aliasing.
7485 * tree-ssa-alias.c (may_alias_p,
7486 compute_flow_insensitive_aliasing): Ditto.
7487 * calls.c (flags_from_decl_or_type): Removed reference to
7489 * c-typeck.c (convert_arguments): Make builtins tolerant of having
7490 too many arguments. This is necessary for Spec 2000.
7491 * cgraph.h (const_function, pure_function): Removed.
7492 * common.opt: Added "fipa-pure-const", "fipa-reference",
7493 "fipa-type-escape", and "ftree-promote-static".
7495 * passes.c: Added ipa and tree-promote-statics passes.
7496 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
7497 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
7498 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
7499 * tree-flow.h: Added exposed sra calls and addition of
7500 reference_vars_info field for FUNCTION_DECLS.
7501 * tree-pass.h: Added passes.
7502 * tree-sra.c: (sra_init_cache): New function.
7503 (sra_insert_before, sra_insert_after) Made public.
7504 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
7506 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
7507 aliasing. (may_alias_p): Added code to use type escape analysis to
7509 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
7510 code to prune clobbers of static variables based on information
7511 produced in ipa-reference pass. Changed call clobbering so that
7512 statics are not marked as clobbered if the call does not clobber
7515 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
7517 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
7520 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7522 * doc/install.texi (*-*-solaris2*): Document recommended version
7523 of GNU binutils and mention GNU linker problem on Solaris 10.
7525 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
7528 * c-decl.c (c_build_bitfield_integer_type): New function.
7529 (finish_struct): Call it.
7530 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
7532 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7534 * c-typeck.c (digest_init): Call 'convert_for_assignment'
7537 2005-07-16 Jan Hubicka <jh@suse.cz>
7539 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
7540 (scale_bbs_frequencies_int): Watch roundoff errors.
7541 * predict.c (return_prediction): Initialize return_stmt.
7543 2005-07-16 Jan Hubicka <jh@suse.cz>
7545 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
7546 after RTL profiling.
7548 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
7551 * fold-const.c (build_range_check): Convert high/low to etype
7552 if we are only comparing against exp.
7554 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
7556 Fix PR tree-optimization/22376
7557 * tree-ssa-structalias.c (build_constraint_graph): We really meant
7559 (need_to_solve): New function.
7560 (compute_points_to_sets): Use it.
7562 2005-07-15 Jan Hubicka <jh@suse.cz>
7564 * cfg.c (update_bb_profile_for_threading): More diagnostic.
7565 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
7567 2005-07-15 Richard Guenther <rguenther@suse.de>
7569 * c-common.c (handle_flatten_attribute): New function.
7570 Add flatten function attribute.
7571 * doc/extend.texi: Document flatten function attribute.
7572 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
7573 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
7575 (cgraph_decide_inlining): Handle functions with flatten
7578 2005-07-14 David Edelsohn <edelsohn@gnu.org>
7580 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
7581 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
7582 UNSPEC_XCHG, UNSPEC_AND): New.
7583 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
7584 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
7585 * config/rs6000/sync.md (FETCHOP): New code macro.
7586 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
7588 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
7589 (sync_compare_and_swap<mode>): Same.
7590 (sync_lock_test_and_set<mode>): Same.
7591 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
7592 for QImode and HImode, and not PPC405.
7593 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
7594 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
7595 (sync_<fetchop>{si,di}_internal): New.
7596 (sync_nand{si,di}_internal): New.
7597 (sync_old_<fetchop>{si,di}_internal): New.
7598 (sync_old_nand{si,di}_internal): New
7599 (sync_new_<fetchop>{si,di}_internal): New.
7600 (sync_new_nand{si,di}_internal): New.
7601 (atomic_and{si,di}): New.
7602 (sync_new_nand{si,di}_internal): New.
7603 (atomic_and{si,di}): New.
7604 (sync_add<mode>_internal): Delete.
7605 (sync_addshort_internal): Use unspec instead of unspec_volatile.
7606 (sync_sub<mode>_internal): Delte.
7607 (sync_subshort_internal): New.
7608 (sync_andsi_internal): Use unspec instead of unspec_volatile.
7609 (sync_anddi_internal): Delete.
7610 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
7611 (sync_booldi_internal): Delete.
7612 (sync_boolc<mode>_internal): Delete.
7613 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
7614 (sync_boolc<mode>_internal2): Delete.
7615 (sync_boolcc<mode>_internal): Delete.
7616 (isync, lwsync): Use unspec instead of unspec_volatile.
7617 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
7618 Revert UNSPEC_VOLATILE.
7619 (rs6000_split_atomic_op): New.
7620 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
7622 2005-07-14 Eric Christopher <echristo@redhat.com>
7624 * config/mips/mips.c (mips_canonicalize_comparison): Cast
7625 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
7627 2005-07-14 Eric Christopher <echristo@redhat.com>
7629 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
7631 2005-07-14 Steven Bosscher <stevenb@suse.de>
7633 PR tree-optimization/22230
7634 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
7635 the computation of the four cross productions for "range op range".
7637 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
7638 Ulrich Weigand <uweigand@de.ibm.com>
7641 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
7644 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7646 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
7648 2005-07-14 Steve Ellcey <sje@cup.hp.com>
7650 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
7652 2005-07-14 Richard Guenther <rguenther@suse.de>
7655 * config/i386/i386-protos.h (ix86_function_value): Change
7656 prototype to match new target hook.
7657 * config/i386/i386.c (ix86_value_regno): Change prototype
7658 to take extra type argument.
7659 (TARGET_FUNCTION_VALUE): Define.
7660 (ix86_function_ok_for_sibcall): Pass extra argument to
7661 ix86_value_regno, check return slot rtx for exact match.
7662 (ix86_function_value): Take extra parameter. Dispatch to
7663 ix86_value_regno with fndecl/fntype as provided.
7664 (ix86_value_regno): Handle extra type argument.
7665 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
7667 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
7668 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
7669 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
7670 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
7671 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
7673 2005-07-14 Richard Guenther <rguenther@suse.de>
7675 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
7676 * calls.c (expand_call): Pass fntype to hard_function_value.
7677 (emit_library_call_value_1): Likewise.
7678 * explow.c: Include target.h.
7679 (hard_function_value): Take extra argument, the fntype.
7680 Use new target hook for function_value.
7681 * expr.h (hard_function_value): Change prototype.
7682 * function.c (aggregate_value_p): Pass 0 as fntype to
7683 hard_function_value.
7684 (assign_parms): Use new target hook for function_value.
7685 Pass 0 as fntype to hard_function_value.
7686 (expand_function_end): Likewise.
7687 * reg-stack.c: Include target.h.
7688 (stack_result): Use new target hook for function_value.
7689 * target-def.h: New target hook function_value.
7690 * target.h: Likewise.
7691 * targhooks.c (default_function_value): New function.
7692 * targhooks.h (default_function_value): Declare.
7694 2005-07-13 Ian Lance Taylor <ian@airs.com>
7696 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7698 2005-07-14 Jan Hubicka <jh@suse.cz>
7700 * tree-dfa.c (dump_variable): Use default_def function.
7701 * tree-ssa-alias.c (dump_points_to_info): Likewise.
7702 * tree-ssa.c (verify_use): Likewise.
7703 * tree-ssanames.c (release_ssa_name): Likewise.
7704 * tree-tailcall.c (eliminate_tail_call): Likewise.
7705 (tree_optimize_tail_calls_1): Likewise.
7706 * tree-vrp.c (get_value_range): Likewise.
7708 2005-07-14 Ben Elliston <bje@au.ibm.com>
7710 * gcc.c (main): Compare language[0] with '*' when iterating over
7713 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7715 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
7716 "s390_emit_compare". Add handling of CCZ1mode.
7717 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
7718 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
7720 (s390_branch_condition_mask): Add CCZ1mode handling.
7721 * config/s390/s390.md: ("seq", "*seq"): New pattern.
7722 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
7723 Use CCZ1mode instead of CCZmode.
7724 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
7726 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7728 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
7730 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
7732 2005-07-13 Eric Christopher <echristo@redhat.com>
7734 * config/mips/mips.c (mips_canonicalize_comparison): New.
7735 (mips_emit_int_relational): Use.
7737 2005-07-13 Eric Christopher <echristo@redhat.com>
7739 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7741 * config/s390/s390.md: Include tpf.md. Move tpf specific
7743 * config/s390/tpf.md: To here.
7744 * config/s390/s390.opt: Move tpf specific options...
7745 * config/s390/tpf.opt: to here. Add mmain option.
7746 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7747 * config/s390/tpf.h: Rewrite.
7749 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7751 * doc/tm.texi: Remove @xref{Cross-profiling}.
7753 2005-07-13 Jeff Law <law@redhat.com>
7755 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
7756 expressions, test their _DECL operands for pointer equality rather
7757 than using operand_equal_p.
7759 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7761 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
7762 (TARGET_POSIX_IO): This.
7763 * config/darwin.h: Likewise.
7764 * config/freebsd.h: Likewise.
7765 * config/linux.h: Likewise.
7766 * config/lynx.h: Likewise.
7767 * config/netbsd.h: Likewise.
7768 * config/rs6000/linux64.h: Likewise.
7769 * config/rs6000/linux.h: Likewise.
7770 * config/s390/tpf.h: Likewise.
7771 * config/sh/embed-elf.h: Likewise.
7772 * config/sparc/linux64.h: Likewise.
7773 * config/sparc/linux.h: Likewise.
7774 * config/svr4.h: Likewise.
7775 * gcov-io.h: Likewise.
7777 * doc/tm.texi: Updated.
7779 * libgcov.c (create_file_directory): Defined only if
7780 TARGET_POSIX_IO is defined.
7781 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
7784 2005-07-13 Jan Hubicka <jh@suse.cz>
7786 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
7788 2005-07-13 David Edelsohn <edelsohn@gnu.org>
7790 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
7791 structure as argument.
7793 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
7795 PR tree-optimization/21921
7796 * tree-iterator.c (tsi_link_before): Support the case when
7797 tsi_end_p (tsi) == true.
7799 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7801 PR tree-optimization/22442
7802 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
7805 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7807 PR rtl-optimization/20376
7808 * toplev.c (process_options): Enable -fweb and -frename-registers when
7810 * doc/invoke.texi: Update the information about when -fweb and
7811 -frename-registers are enabled.
7813 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7816 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
7817 if *rhs_p is not a SSA_NAME.
7819 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
7821 Fix PR tree-optimization/22422
7822 * tree-ssa-structalias.c (struct variable_info): Add flag for
7824 (get_varinfo): Now a static function.
7825 (new_varinfo): init has_union and is_special_var to false.
7826 (solution_set_add): Check has_union.
7827 (do_da_constraint): Move temporary variable so it gets reset
7829 Also check for special variable.
7830 (do_ds_constraint): Ditto.
7831 (do_sd_constraint): Ditto.
7832 (do_structure_copy): Check for special variable.
7833 (find_func_aliases): Ditto.
7834 (init_base_vars): Set special vars properly.
7836 2005-07-13 Jan Hubicka <jh@suse.cz>
7838 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
7841 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
7842 (get_expr_operands): Fix thinko wrt flags and subvars.
7844 PR tree-optimize/22379
7845 * tree-inline.c (expand_call_inline): Do not output sorry in early
7848 2005-07-12 Dale Johannesen <dalej@apple.com>
7850 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
7852 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7855 * host-linux.h: Include limits.h.
7857 2005-07-12 Dale Johannesen <dalej@apple.com>
7859 * expr.c (compress_float_constant): Add cost check.
7860 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
7862 2005-07-12 Dale Johannesen <dalej@apple.com>
7864 * gcc.target/i386/compress-float-sse.c: New.
7865 * gcc.target/i386/compress-float-sse-pic.c: New.
7866 * gcc.target/i386/compress-float-387.c: New.
7867 * gcc.target/i386/compress-float-387-pic.c: New.
7868 * gcc.dg/compress-float-ppc.c: New.
7869 * gcc.dg/compress-float-ppc-pic.c: New.
7871 2005-07-12 Eric Christopher <echristo@redhat.com>
7873 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7875 * config/s390/s390.md: Include tpf.md. Move tpf specific
7877 * config/s390/tpf.md: To here.
7878 * config/s390/s390.opt: Move tpf specific options...
7879 * config/s390/tpf.opt: to here. Add mmain option.
7880 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7881 * config/s390/tpf.h: Rewrite.
7883 2005-07-12 Eric Christopher <echristo@redhat.com>
7885 * gcc.c (struct infile): Update comment for language.
7886 (main): Rewrite input file resetting code.
7888 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7891 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
7892 requiring a cast in a non RHS of modify_expr. Add a cast when required.
7893 (lookup_avail_expr): Use constant_boolean_node instead
7894 of boolean_false_node/boolean_true_node.
7896 2005-07-12 Ben Elliston <bje@au.ibm.com>
7898 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
7899 and use it when printing num_edges.
7901 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
7903 * doc/extend.texi (Blackfin Built-in Functions): New section.
7904 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
7907 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
7909 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
7910 s/cmpstrsi/cmpstrnsi
7911 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
7913 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
7914 (init_optabs): Initialize cmpstrn_optab.
7915 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
7916 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
7917 * expr.c: (enum insn_code cmpstrn_optab): Declare.
7918 * config/i386/i386.md: s/cmpstr/cmpstrn
7919 * config/c4x/c4x.md: s/cmpstr/cmpstrn
7920 * doc/md.texi: Update documentation.
7922 2005-07-11 Richard Henderson <rth@redhat.com>
7924 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
7925 build_va_arg_indirect_ref.
7926 (alpha_gimplify_va_arg): Likewise.
7927 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7928 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7929 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
7930 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7931 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7932 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
7934 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7936 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7938 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
7939 * passes.c (init_optimization_passes): Add pass_empty_loop.
7940 * tree-pass.h (pass_empty_loop): Declare.
7941 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
7942 try_remove_empty_loop, remove_empty_loops): New functions.
7943 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
7944 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
7946 2005-07-12 Peter Barada <peter@the-baradas.com>
7950 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
7951 in address registers.
7952 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
7953 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
7954 alternative of addsi3_5200.
7956 2005-07-11 Ian Lance Taylor <ian@airs.com>
7958 * config/mips/mips.md (ffs<mode>2): Remove.
7960 2005-07-11 Ian Lance Taylor <ian@airs.com>
7962 * doc/tree-ssa.texi (Cleanups): Improve description of
7964 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
7966 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7968 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
7969 * tree.h (DECL_ARGUMENT_FLD): New macro.
7971 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7973 Fix PR tree-optimization/22404
7975 * tree-ssa-structalias.c (create_variable_info_for): Use
7978 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
7980 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
7981 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
7982 for second comparison operand.
7983 * config/bfin/predicates.md (reg_or_const_int_operand): New.
7985 * config/bfin/bfin.md (define_attr "type"): Add "sync".
7986 (define_insn_reservation "alu"): Likewise.
7987 (csync, ssync): Now of type sync.
7988 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
7989 -mcsync-anomaly -mspecld-anomaly.
7990 * config/bfin/bfin.opt (mcsync): Remove.
7991 (mcsync-anomaly, mspecld-anomaly): Add.
7992 * config/bfin/bfin.c: Include "insn-codes.h".
7993 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
7994 (TARGET_DEFAULT_TARGET_FLAGS): New.
7995 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
7997 2005-07-11 Steven Bosscher <stevenb@suse.de>
7999 * basic-block.h: Give the BB flags enum a name, bb_flags.
8000 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
8001 * cfgcleanup.c (enum bb_flags): Remove here.
8002 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
8003 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
8004 (update_forwarder_flag): Likewise.
8005 (thread_jump): Likewise.
8006 (try_forward_edges): Likewise.
8007 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
8008 forwarder flags. Don't clear bb->aux for all basic blocks. Only
8009 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
8011 2005-07-11 Richard Guenther <rguenther@suse.de>
8013 * config/i386/i386.opt: New target option -msseregparm.
8014 * config/i386/i386.c (override_options): Error out for
8015 -msseregparm but no SSE support.
8016 (ix86_function_sseregparm): Check for global sseregparm.
8017 * doc/invoke.texi: Document -msseregparm.
8019 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8021 * config.gcc (m32r-*-linux*): Use the default extra_parts.
8022 (m32rle-*-linux*): Ditto.
8024 2005-07-11 Jakub Jelinek <jakub@redhat.com>
8026 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
8027 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
8030 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8034 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
8035 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
8037 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
8039 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
8040 (varmap): Heapify varmap.
8041 (constraints): Heapify constraints.
8042 (struct constraint_graph): Heapify succs and preds.
8043 (constraint_vec_find): Update for heapification.
8044 (constraint_set_union): Ditto.
8045 (insert_into_complex): Ditto.
8046 (constraint_edge_vec_find): Ditto.
8047 (erase_graph_self_edge): Ditto.
8048 (add_graph_edge): Ditto.
8049 (get_graph_weights): Ditto.
8050 (merge_graph_nodes): Ditto.
8051 (build_constraint_graph): Ditto.
8052 (topo_visit): Ditto.
8053 (solve_graph): Ditto.
8054 (create_variable_info_for): Ditto.
8055 (init_base_vars): Ditto.
8056 (delete_points_to_sets): Free graph, varmap, and complex constraints.
8057 (condese_varmap_nodes): Free complex vector.
8058 (clear_edges_for_node): Clear succs and preds vector.
8060 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
8062 * tree-ssa-structalias.c (update_alias_info): Change counting of
8063 references to not include vdefs.
8065 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
8067 * tree-ssa-alias.c (free_used_part_map): Add missing free.
8070 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8072 * pa.c (pa_commutative_p): Make PLUS commutative when
8073 TARGET_NO_SPACE_REGS is true.
8075 2005-07-09 Diego Novillo <dnovillo@redhat.com>
8077 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
8078 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
8079 * tree-dfa.c (dump_subvars_for): New.
8080 (debug_subvars_for): New.
8081 (dump_variable): Show subvariables if VAR has them.
8082 * tree-flow-inline.h (get_subvar_at): New.
8083 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
8084 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
8086 (struct subvar): Change fields offset and size to unsigned
8088 (dump_subvars_for): Declare.
8089 (debug_subvars_for): Declare.
8090 (get_subvar_at): Declare.
8091 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
8092 to unsigned HOST_WIDE_INT *.
8093 (overlap_subvar): Likewise.
8094 * tree-gimple.c (is_gimple_reg): Always return false for
8095 SFTs and memory tags.
8096 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
8098 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
8099 (compute_may_aliases): Call compute_points_to_sets.
8100 (collect_points_to_info_for): Remove.
8101 (compute_points_to_and_addr_escape): Remove.
8102 (delete_alias_info): Call delete_points_to_sets.
8103 (compute_flow_sensitive_aliasing): If the call to
8104 find_what_p_points_to returns false, call set_pt_anything.
8105 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
8106 (set_pt_anything): Clear pi->pt_vars.
8107 (set_pt_malloc): Remove.
8108 (merge_pointed_to_info): Remove.
8109 (add_pointed_to_expr): Remove.
8110 (add_pointed_to_var): Remove.
8111 (collect_points_to_info_r): Remove.
8112 (is_escape_site): Make extern.
8114 (create_overlap_variables_for): Call it.
8115 * tree-ssa-copy.c (merge_alias_info): Never merge
8116 flow-sensitive alias information.
8117 * tree-ssa-operands.c (get_expr_operands): Adjust variables
8118 offset and size to be unsigned HOST_WIDE_INT.
8119 (add_to_addressable_set): Rename from note_addressable.
8120 Set TREE_ADDRESSABLE as the variables are added to the set.
8122 (add_stmt_operand): Do not try to micro-optimize unmodifiable
8123 operands into VUSEs when adding V_MAY_DEFs for members in an
8125 * tree-ssa-operands.h (add_to_addressable_set): Declare.
8126 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
8127 (struct variable_info): Add bitfield is_heap_var.
8128 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
8129 (new_var_info): Initialize is_heap_var.
8130 (get_constraint_for): Add HEAP variables to the symbol table.
8131 Mark them with is_heap_var.
8132 (update_alias_info): New. Taken mostly from the old
8133 compute_points_to_and_addr_escape.
8134 (handle_ptr_arith): New.
8135 (find_func_aliases): Call update_alias_info.
8136 Call handle_ptr_info for tcc_binary expressions.
8137 Call mark_stmt_modified.
8138 (create_variable_info_for): If DECL has subvars, do not create
8139 variables for its subvars. Always add all the fields.
8140 (set_uids_in_ptset): If the solution includes ANYOFFSET and
8141 SFTs, then add all the SFTs of the structure.
8142 If VI->DECL is an aggregate with subvariables, add the SFT at
8144 (find_what_p_points_to): If VI is an artificial variable,
8145 translate to bitfields in SSA_NAME_PTR_INFO.
8146 If the solution is empty, set pi->pt_vars to NULL
8147 (init_base_vars): Create ANYOFFSET.
8148 (compute_points_to_sets): Rename from create_alias_vars.
8150 (pass_build_pta): Remove.
8151 (delete_points_to_sets): Rename from delete_alias_vars.
8152 (pass_del_pta): Remove.
8153 * tree-ssa-structalias.h (struct alias_info): Move from
8155 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
8156 NUM_REFERENCES_SET): Likewise.
8157 (compute_points_to_sets, delete_points_to_sets): Declare.
8159 2005-07-09 Richard Henderson <rth@redhat.com>
8161 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
8162 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
8163 alpha_split_lock_test_and_set_12): New functions.
8164 * config/alpha/alpha-protos.h: Update.
8165 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
8166 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
8167 * config/alpha/sync.md (I12MODE): New.
8168 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
8169 (sync_<fetchop_name><I48MODE>): Likewise.
8170 (sync_nand<I48MODE>): Likewise.
8171 (sync_old_<fetchop_name><I48MODE>): Likewise.
8172 (sync_new_<fetchop_name><I48MODE>): Likewise.
8173 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
8174 (sync_compare_and_swap<I48MODE>): Likewise.
8175 (sync_lock_test_and_set<I48MODE>): Likewise.
8176 (sync_compare_and_swap<I12MODE>): New.
8177 (sync_compare_and_swap<I12MODE>_1): New.
8178 (sync_lock_test_and_set<I12MODE>): New.
8179 (sync_lock_test_and_set<I12MODE>_1): New.
8181 2005-07-09 Diego Novillo <dnovillo@redhat.com>
8185 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
8187 2005-07-09 Jakub Jelinek <jakub@redhat.com>
8189 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
8190 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
8192 2005-07-09 Richard SAndiford <richard@codesourcery.com>
8195 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8197 2005-07-08 David Edelsohn <edelsohn@gnu.org>
8199 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
8200 memory_operand constraint.
8201 (store_conditional_<mode>): Same.
8202 (sync_compare_and_swap<mode>): Same.
8203 (sync_lock_test_and_set<mode>): Same.
8205 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
8207 Rewrite PIC support to more closely model actual instructions.
8208 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
8209 (cris_symbol): Remove prototypes for removed functions.
8210 (cris_pic_symbol_type_of, cris_valid_pic_const)
8211 (cris_expand_pic_call_address): Prototypes for new functions.
8212 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
8214 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
8216 <case ':'>: Add case for new punctuation character.
8217 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
8218 emitting (extra) PIC modifier.
8219 <case UNSPEC>: Do not assert for PLT.
8220 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
8221 (cris_expand_prologue, cris_expand_epilogue): Check
8222 for pic_offset_table_rtx usage instead of taking
8223 current_function_uses_pic_offset_table as the final word.
8224 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
8225 Remove flag_pic difference.
8226 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
8227 the moral equivalents of...
8228 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
8230 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
8231 (cris_handle_option): Mark ARG as unused.
8232 (cris_expand_pic_call_address): New worker function for "call",
8234 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
8235 output PIC constructs here.
8236 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
8237 as symbol-specific modifers, not whole or part of operands.
8238 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
8239 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
8240 constants and flag_pic.
8241 (CONSTANT_INDEX_P): Adjust for new functions.
8242 (enum cris_pic_symbol_type): New helper type.
8243 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
8244 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
8245 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
8247 ("movsi"): Emit actual instructions for GOT and relative access.
8248 ("*movsi_got_load"): New pattern to set up the register holding
8250 ("*movsi_internal"): Operand 1 is not a plain general_operand.
8251 Adjust FIXME for 'S'.
8252 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
8253 Use "movs" for -fpic cases.
8254 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
8255 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
8256 ("call", "call_value"): Just call cris_expand_pic_call_address for
8258 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
8259 Remove special pattern.
8260 ("*expanded_call_side", "*expanded_call_value_side"): New
8262 (gotplt-to-plt, gotplt-to-plt-side-call)
8263 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
8265 * config/cris/cris/predicates.md
8266 ("cris_general_operand_or_gotless_symbol"): Remove unused
8268 ("cris_general_operand_or_symbol"): Adjust for new functions.
8270 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8272 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
8274 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
8276 * Makefile.in (TREE_H): Add treestruct.def.
8277 (c-decl.o): Add pointer-set.h
8278 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
8279 visibility on regular DECL's.
8280 (merge_decls): Fix the copying of decl nodes of various types for
8281 the new structures. Don't update RTL, section name, weak status,
8282 etc, on DECL's without RTL.
8283 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
8284 Don't check volatile on non-variable types.
8285 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
8286 to check whether we have seen arguments.
8287 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
8288 flag is checked before field (flag is common, field is not).
8289 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
8290 TS_DECL_COMMON could have an origin.
8291 (add_location_or_const_value_attribute): Don't check section name
8292 on non-var/function decls.
8293 (dwarf2out_var_location): Reverse order of tests.
8294 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
8295 with DECL_WRTL_CHECK.
8296 * expmed.c (make_tree): rtl is now in decl_with_rtl.
8297 * fold-const.c (fold_binary): Don't check weakness on
8298 non-var/function decls.
8299 (tree_expr_nonzero_p): Ditto.
8300 (fold_checksum_tree): Use tree_decl_extra as sizeof
8302 * ggc-page.c (extra_order_size_table): Add sizes for
8303 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
8305 * gimplify.c (gimplify_bind_expr): Only set
8306 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
8307 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
8309 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
8310 * langhooks.h (init_ts). New langhook.
8311 * passes.c (rest_of_decl_compilation): Reverse order of tests.
8312 * print-tree.c (print_node): Update to only print fields that
8313 exist in the structures the passed decl has.
8314 * toplev.c (wrapup_global_declarations): Don't reset
8315 DECL_DEFER_OUTPUT on DECL's that don't contain it.
8316 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
8317 * tree-inline.c (remap_decl): Ditto.
8318 * tree-outof-ssa.c (create_temp): Reverse order of tests.
8319 * tree-pretty-print.c (print_declaration): Don't print
8320 DECL_REGISTER on things that don't contain it.
8321 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
8322 non-var/function decls.
8323 * tree.c (tree_contains_struct): New structure.
8324 (init_priority_for_decl): New hashtable.
8325 (tree_int_map): New structure.
8326 (tree_int_map_eq): New function.
8327 (tree_int_map_marked_p): Ditto.
8328 (tree_int_map_hash): Ditto.
8329 (tree_map): Move to tree.h.
8330 (tree_map_eq): Externalize.
8331 (tree_map_hash): Ditto.
8332 (tree_map_marked_p): Ditto.
8333 (init_ttree): Set up tree_contains_struct and call langhook.
8334 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
8335 (tree_code_size): Update for new structures.
8336 (tree_node_structure): Update for new structures.
8337 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
8339 (copy_node_stat): Copy init priority.
8340 (build_decl_stat): Ditto for visibility.
8341 (ts_enum_names): New.
8342 (tree_contains_struct_check_failed): New function.
8343 (decl_init_priority_lookup): Ditto.
8344 (decl_init_priority_insert): Ditto.
8345 * treestruct.def: New file.
8346 * tree.h (CODE_CONTAINS_STRUCT): New macro.
8347 (CONTAINS_STRUCT_CHECK): Ditto.
8348 (tree_contains_struct_check_failed): New prototype.
8349 (DECL_CHECK): Removed.
8350 (DECL_MINIMAL_CHECK): New.
8351 (DECL_COMMON_CHECK): Ditto.
8352 (DECL_WRTL_CHECK): Ditto.
8353 (DECL_NON_COMMON_CHECK): Ditto.
8354 (DECL_WITH_VIS_CHECK): Ditto.
8355 (VAR_OR_FUNCTION_DECL_P): Ditto
8356 (struct tree_decl_minimal): New structure.
8357 (struct tree_decl_common): Ditto.
8358 (struct tree_decl_with_rtl): Ditto.
8359 (struct tree_decl_with_vis): Ditto.
8360 (struct tree_decl_non_common): Ditto.
8361 (struct tree_field_decl): Ditto.
8362 (struct tree_parm_decl): Ditto.
8363 (struct tree_var_decl): Ditto.
8364 (struct tree_function_decl): Ditto.
8365 (struct tree_const_decl): Ditto.
8366 (struct tree_result_decl): Ditto.
8367 (union tree_node): Add new structures.
8368 * var-tracking.c (track_expr_p): Reverse order of tests.
8370 * doc/c-tree.texi: Add documentation on DECL node internal structure.
8372 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
8374 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
8375 * system.h: Poison FINALIZE_PIC.
8376 * doc/tm.texi (FINALIZE_PIC): Remove.
8378 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8381 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
8382 to the correct type if we have a MODIFY_EXPR.
8384 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
8386 PR tree-optimization/22360
8387 * tree.c (upper_bound_in_type): Fix calculations for casting
8388 to a non-wider signed type and casting a signed value to a
8389 wider unsigned type.
8390 (lower_bound_in_type): Fix calculations for casting to a
8391 non-wider signed type.
8393 PR tree-optimization/20139
8394 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
8396 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
8397 fold_cond_expr_cond.
8398 * tree-ssanames.c (release_defs): Assert in_ssa_p.
8399 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
8401 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8404 * tree-complex.c (expand_complex_libcall): Produce
8405 REALPART_EXPR/IMAGPART_EXPR with the correct type.
8407 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
8409 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
8410 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
8411 b" assert and inserted fastpath code for this case.
8412 (bitmap_ior): Removed "a != b" assert.
8414 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8416 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
8417 (ENDFILE_SPEC): Likewise.
8418 * config/m32r/m32r.h (ASM_SPEC): Likewise.
8420 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
8421 a large stack frame at epilogue.
8423 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
8425 * final.c: Include sdbout.h when required.
8427 2005-07-07 Geoffrey Keating <geoffk@apple.com>
8429 * config.gcc (*-*-darwin*): Only one target-specific header file
8431 (powerpc-*-darwin*): Add version-specific header files.
8432 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
8433 * config.in: Regenerate.
8434 * configure: Regenerate.
8435 * gcc.c: Include xregex.h.
8436 (version_compare_spec_function): New.
8437 (spec_function): Add version-compare.
8438 (replace_outfile_spec_function): Reformat comment.
8439 (compare_version_strings): New.
8440 * config/darwin-c.c (version_as_macro): New.
8441 (builtin_define): New.
8442 (darwin_cpp_builtins): New.
8443 * config/darwin-protos.h (darwin_cpp_builtins): New.
8444 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
8445 (LIB_SPEC): Make unconditional, update comment.
8446 (TARGET_C99_FUNCTIONS): Define.
8447 * config/darwin.opt: Sort.
8448 (mmacosx-version-min=): New.
8449 * config/darwin7.h: Delete.
8450 * config/darwin8.h: Delete.
8451 * config/i386/darwin.h (): Call darwin_cpp_builtins.
8452 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
8453 (TARGET_C99_FUNCTIONS): Define.
8454 * config/rs6000/darwin7.h: New.
8455 * config/rs6000/darwin8.h: New.
8456 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
8457 (-mmacosx-version-min): Document.
8459 2005-07-07 Ian Lance Taylor <ian@airs.com>
8461 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
8463 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
8466 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
8468 2005-07-07 Khem Raj <kraj@mvista.com>
8470 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
8471 in bytes, not words.
8473 2005-07-07 Paul Brook <paul@codesourcery.com>
8475 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
8476 DEFAULT_FUNCTION_ARG_PADDING to upward.
8478 2005-07-07 Richard Henderson <rth@redhat.com>
8480 * function.c (locate_and_pad_parm): Record parameter alignment in
8481 stack_alignment_needed.
8483 2005-07-07 David Edelsohn <edelsohn@gnu.org>
8485 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
8486 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
8487 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
8488 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
8489 (define_attr "type"): Add isync, sync, load_l, store_c.
8490 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
8491 Create scratch volatile MEM.
8492 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
8494 (load_locked_<mode>): New.
8495 (store_conditional_<mode>): New.
8496 (sync_compare_and_swap<mode>): Replace with splitter.
8497 (sync_lock_test_and_set<mode>): Replace with splitter.
8498 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
8500 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
8501 is ics. Attribute isync.
8502 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
8504 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
8505 and UNSPECV_SYNC_OP.
8506 (emit_unlikely_jump): New.
8507 (emit_load_locked): New.
8508 (emit_store_conditional): New.
8509 (rs6000_split_compare_and_swap): New.
8510 (rs6000_split_lock_test_and_set): New.
8511 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
8512 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
8513 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
8514 rs6000_split_lock_test_and_set): Declare.
8515 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
8516 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
8517 store_c, isync, sync.
8519 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
8521 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
8522 filenames to gtyp-gen.h.
8523 (s-typ-gen): Use it in place of for loops.
8525 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
8527 * hooks.c (hook_bool_rtx_int_false): New function.
8528 * hooks.h (hook_bool_rtx_int_false): Declare.
8529 * target-def.h (TARGET_COMMUTATIVE_P): Define.
8530 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
8531 * target.h (struct gcc_target): Add commutative_p member.
8532 * targhooks.c (hook_bool_rtx_commutative_p): New function.
8533 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
8534 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
8535 (pa_commutative_p): New function.
8536 * jump.c (target.h): Include.
8537 (rtx_renumbered_equal_p): Use targetm.commutative_p.
8538 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
8540 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8542 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
8543 (s390_expand_setmem): New.
8544 * config/s390/s390.c: Likewise.
8545 (print_shift_count_operand): Truncate to 12 bits instead of 6.
8547 * config/s390/s390.md: ("setmem<mode>"): Accept character as
8548 general_operand. Call new function "s390_expand_setmem".
8549 ("clrmem_long", "*clrmem_long"): Rewrite to ...
8550 ("setmem_long", "*setmem_long"): ... this.
8552 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8554 * config/s390/s390.c: (optimization_options): Enable
8555 TARGET_MVCLE at -Os.
8556 * doc/invoke.texi: Document changes in default behaviour.
8557 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
8559 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8561 * expr.c: (set_storage_via_setmem): Convert opchar to mode
8562 defined by back-end.
8564 2005-07-07 Jakub Jelinek <jakub@redhat.com>
8566 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
8567 all sets in the pattern.
8568 * config/rs6000/rs6000.md (stack_protect_testsi,
8569 stack_protect_testdi): Likewise.
8571 2005-07-06 Jeff Law <law@redhat.com>
8573 * tree-vrp.c (simplify_using_ranges): Kill.
8574 (vrp_finalize): Remove call to simplify_using_ranges.
8575 (simplify_stmt_using_ranges): New function extracted from
8576 simplify_using_ranges.
8577 (simplify_div_or_mod_using_ranges): Likewise.
8578 (simplify_abs_using_ranges): Likewise.
8579 (simplify_cond_using_ranges): New function.
8580 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
8581 * tree-ssa-propagate.c (substitute_and_fold): Call
8582 simplify_stmt_using_ranges if we have range information.
8584 2005-07-06 James E. Wilson <wilson@specifixinc.com>
8586 * config/ia64/ia64.c (ia64_reorg): Check optimize before
8587 ia64_flag_schedule_isns2.
8589 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
8590 reading/writing general registers.
8591 (ia64_function_arg): Revert 2005-06-18 change.
8593 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
8595 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
8596 (legitimize_tls_address): Use gcc_unreachable instead of abort.
8598 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
8600 * function.c (expand_function_end): Revert part of 2005-06-27
8601 patch. Do sjlj_emit_function_exit_after after return_label.
8603 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8605 * doc/install.texi (--disable-libssp): New.
8607 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
8609 * doc/invoke.texi: Update -fforce-mem documentation.
8610 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
8611 code for -fforce-mem.
8612 * expmed.c: (store_bit_field,store_fixed_bit_field,
8613 extract_bit_field): Ditto.
8614 * expr.c: (convert_move): Ditto.
8615 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
8616 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
8617 emit_conditional_add,expand_float,expand_fix): Ditto.
8618 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
8619 (common_handle_option): Issue warning when -fforce-mem specified.
8621 2005-07-06 Paul Brook <paul@codesourcery.com>
8623 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
8625 * configure: Regenerate.
8627 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
8629 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
8631 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
8633 Fix PR tree-optimization/22319
8634 Fix PR tree-optimization/22140
8635 Fix PR tree-optimization/22310
8637 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
8638 variable sized types.
8639 Use correct type for intermediate structure on *a = *b structure
8642 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8644 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
8646 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
8647 (machine_function): Move typedef to...
8648 * config/rs6000/rs6000.c (machine_function): ... here. Add
8649 varargs_save_offset field.
8650 (rs6000_stack_t): Remove varargs_size field.
8651 (setup_incoming_varargs): Allocate varargs save area using
8652 assign_stack_local, try to make it as small as possible.
8653 Save offset from virtual_stack_vars_rtx to the save area
8654 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
8655 instead of magic 8 when fp word byte size is used.
8656 (rs6000_va_start): Use cfun->machine->varargs_save_offset
8657 instead of -RS6000_VARARGS_SIZE.
8658 (rs6000_stack_info, debug_stack_info,
8659 rs6000_initial_elimination_offset): Remove all traces of
8661 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
8662 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
8663 RS6000_VARARGS_AREA.
8665 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8667 PR tree-optimization/21963
8668 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
8669 constant_multiple_of in the same way get_computation_cost_at does.
8671 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8673 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
8674 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
8675 (gen_compare_reg): If sparc_compare_emitted is set, clear it
8676 and return its previous value.
8677 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
8678 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
8680 (stack_protect_set, stack_protect_test): New expanders.
8681 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
8682 stack_protect_testdi): New insns.
8683 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8684 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
8686 2005-07-06 Jeff Law <law@redhat.com>
8688 * tree-ssa-dce.c (cfg_altered): New global.
8689 (tree_dce_init): Initialize cfg_altered.
8690 (remove_dead_stmt): If we remove an edge in the CFG, then set
8692 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
8695 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8697 * Makefile.in (stamp-collect-ld): Use
8698 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
8699 ./collect-ld if it already exists.
8700 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
8701 Don't remove ./nm if it already exists.
8703 2005-07-05 Devang Patel <dpatel@apple.com>
8705 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
8706 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
8707 * tree-vectorizer.c (vect_loop_location): New.
8708 (vect_print_dump_info): Use vect_loop_location.
8709 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
8710 (vectorize_loops): Set vect_loop_location.
8711 * tree-vect-analyze.c (vect_analyze_offset_expr,
8712 vect_determin_vectorization_factor, vect_analyze_operations,
8713 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
8714 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
8715 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
8716 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
8717 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
8718 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
8719 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
8720 vect_analyze_loop): Adjust vect_print_dump_info API.
8721 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8722 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
8723 vect_finish_stmt_generation, vectorizable_assignment,
8724 vectorizable_operation, vectorizable_store, vectorizable_load,
8725 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
8726 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
8727 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
8728 vect_transform_loop): Same.
8729 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
8730 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
8733 2005-07-05 Randolph Chung <tausq@debian.org>
8735 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
8736 * configure: Regenerate.
8737 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
8738 (pa_tls_referenced_p): Declare.
8739 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
8740 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
8741 (legitimize_tls_address): New.
8742 (hppa_legitimize_address): Handle TLS addresses.
8743 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
8744 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8745 (emit_move_sequence): Handle TLS addresses.
8746 (pa_encode_section_info): Call default handler to handle common
8748 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
8749 (CONSTANT_ADDRESS_P): Reject TLS operands.
8750 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
8751 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
8752 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
8753 (UNSPEC_TLSLE): Define new constants.
8754 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
8755 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
8756 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
8757 (tie_symbolic_operand, tle_symbolic_operand): New
8759 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
8761 * aclocal.m4: Update macros for autoconf 2.59 style.
8762 * configure.ac: Likewise.
8764 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8766 * pa.c (function_value): Handle small aggregates on 32-bit targets.
8767 (function_arg): Pass small aggregates in general registers on 32-bit
8769 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
8771 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
8773 * Makefile.in (final.o): Fix dependencies.
8775 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8779 * langhooks.h (struct lang_hooks): Add expr_to_decl.
8780 * langhooks.c (lhd_expr_to_decl): New.
8781 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
8783 (LANG_HOOKS_INITIALIZER): Update.
8784 * tree.c (recompute_tree_invarant_for_addr_expr): Call
8785 expr_to_decl langhook.
8786 * c-tree.h (c_expr_to_decl): Declare.
8787 * c-typeck.c (c_expr_to_decl): New.
8788 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
8790 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
8792 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8795 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
8796 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
8798 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
8800 * Makefile.in: Adjust dependencies.
8801 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
8802 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
8803 * alias.c (rest_of_handle_cfg, pass_cfg): New.
8804 * bb-reorder.c (duplicate_computed_gotos): Make it static.
8805 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
8806 rest_of_compilation.
8808 * bb-reorder.c (gate_duplicate_computed_gotos,
8809 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
8810 rest_of_handle_reorder_blocks, pass_reorder_blocks,
8811 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
8812 pass_partition_blocks): New.
8813 * bt-load.c (gate_handle_branch_target_load_optimize,
8814 rest_of_handle_branch_target_load_optimize,
8815 pass_branch_target_load_optimize): New.
8816 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
8818 * cfglayout.c (pass_insn_locators_initialize): New.
8819 * cfgrtl.c (pass_free_cfg): New.
8820 * combine.c (gate_handle_combine, rest_of_handle_combine,
8822 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
8823 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
8824 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
8825 * except.c (pass_set_nothrow_function_flags,
8826 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
8828 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
8829 rest_of_handle_shorten_branches, pass_shorten_branches,
8830 rest_of_clean_state, pass_clean_state): New.
8831 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
8832 rest_of_handle_remove_death_notes, pass_remove_death_notes,
8833 rest_of_handle_life, pass_life, rest_of_handle_flow2,
8835 * function.c (pass_instantiate_virtual_regs, pass_init_function,
8836 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
8837 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8838 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
8840 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
8841 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
8842 pass_rtl_ifcvt, gate_handle_if_after_combine,
8843 rest_of_handle_if_after_combine, pass_if_after_combine,
8844 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
8845 pass_if_after_reload): New.
8846 * integrate.c (pass_initial_value_sets): New.
8847 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
8848 pass_purge_lineno_notes): New.
8849 * mode-switching.c (rest_of_handle_mode_switching,
8850 pass_mode_switching): New.
8851 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
8852 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
8854 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
8855 pass_loop_optimize): New.
8856 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
8858 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
8860 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
8861 pass_postreload_cse): New.
8862 * profile.c (gate_handle_profiling, pass_profiling,
8863 rest_of_handle_branch_prob, pass_branch_prob): New.
8864 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
8865 pass_split_before_regstack, gate_handle_split_before_regstack,
8866 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
8867 rest_of_handle_split_all_insns, pass_split_all_insns): New.
8868 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
8869 pass_stack_regs): New.
8870 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
8871 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
8872 pass_stack_adjustments): New.
8873 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
8874 pass_regrename): New.
8875 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
8876 pass_delay_slots, gate_handle_machine_reorg,
8877 rest_of_handle_machine_reorg, pass_machine_reorg): New.
8878 * rtl.h (extern void purge_line_number_notes): New.
8879 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
8880 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
8882 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
8884 * value-prof.c (gate_handle_value_profile_transformations,
8885 rest_of_handle_value_profile_transformations,
8886 pass_value_profile_transformations): New.
8887 * var-tracking.c (gate_handle_var_tracking,
8888 pass_variable_tracking): New.
8889 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
8891 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
8892 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8893 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8894 rest_of_handle_old_regalloc, rest_of_handle_regrename,
8895 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
8896 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
8897 rest_of_handle_gcse2, rest_of_handle_regmove,
8898 rest_of_handle_tracer, rest_of_handle_if_conversion,
8899 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
8900 rest_of_handle_web, rest_of_handle_branch_prob,
8901 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8902 rest_of_handle_jump_bypass, rest_of_handle_combine,
8903 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8904 rest_of_handle_gcse, rest_of_handle_loop_optimize,
8905 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
8906 rest_of_handle_mode_switching, rest_of_handle_jump,
8907 rest_of_handle_eh, rest_of_handle_stack_adjustments,
8908 rest_of_handle_flow2, rest_of_handle_jump2,
8909 rest_of_handle_peephole2, rest_of_handle_postreload,
8910 rest_of_handle_shorten_branches, rest_of_clean_state,
8911 rest_of_compilation): Remove.
8913 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
8914 * passes.c (dump_flags, in_gimple_form, all_passes,
8915 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8916 register_dump_files, next_pass_1, last_verified, execute_todo,
8917 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
8918 from tree-optimize.c.
8919 (init_optimization_passes): Moved from tree-optimize.c,
8920 adding the RTL optimizations.
8921 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
8922 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
8923 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8924 register_dump_files, next_pass_1, last_verified, execute_todo,
8925 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
8926 init_tree_optimization_passes, ipa_passes): Delete.
8927 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
8929 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
8930 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
8932 (ipa_passes): Remove.
8933 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
8934 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
8935 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
8936 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
8937 (dump_info_p, dump_flag): Moved to tree-dump.h.
8939 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
8941 * passes.c (finish_optimization_passes): Use dump_begin
8942 and dump_end, TDI_end.
8943 (gate_rest_of_compilation): New.
8944 (pass_rest_of_compilation): Use it.
8945 (gate_postreload, pass_postreload): New.
8946 * toplev.c (general_init): Rename init_tree_optimization_passes.
8947 * toplev.h (init_tree_optimization_passes): Rename to
8948 init_optimizations_passes.
8949 * tree-dump.c (dump_flag): Make static.
8950 (dump_files): Remove RTL dumps.
8951 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
8952 pass_cleanup_cfg, pass_free_cfg_annotations,
8953 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
8954 pass_init_datastructures, pass_fixup_cfg): Make non-static.
8955 * tree-pretty-print.c: Include tree-pass.h.
8956 * cgraph.c: Include tree-dump.h.
8958 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8960 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
8961 Only fall back to saying it points to readonly memory if
8964 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8966 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
8967 * config/m32r/m32r.c (m32r_compute_frame_size,
8968 m32r_expand_prologue): Take current_function_profile into
8969 account whenever we reference
8970 current_function_uses_pic_offset_table.
8971 (m32r_finalize_pic): Remove.
8972 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
8974 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
8976 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
8977 instead of $<. Don't remove ./as if it already exists.
8979 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8982 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
8983 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
8984 for complex modes when generating code for PA 1.0.
8985 (VALID_FP_MODE_P): New macro.
8986 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8987 sets for all general and floating point modes. Align wide floating
8988 point modes to even register boundaries to comply with architectural
8990 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
8991 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
8992 (VALID_FP_MODE_P): New macro.
8993 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8994 sets for all general and floating point modes. Align wide floating
8995 point modes to even register boundaries to comply with architectural
8998 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9000 * tree-dump.c (dump_files): Initialize dump number for .cgraph
9003 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9005 * tree-ssa-structalias.c: Don't include expr.h.
9007 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9009 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
9012 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9014 Fix PR tree-optimization/22279
9016 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
9019 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
9021 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
9023 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
9025 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
9026 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
9027 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
9028 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
9029 config/stormy16/stormy16.c, config/v850/v850.c,
9030 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
9031 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
9032 Avoid "." or "\n" at end of diagnostics and capital letters at
9033 start of diagnostics.
9034 * combine.c, cse.c: Don't translate dump file output.
9035 * toplev.c (print_version): Only translate output if going to
9038 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
9040 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
9041 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
9044 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9046 * pa.c (fix_range): Fix typo in comment.
9048 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
9050 * tree-vrp.c (extract_range_from_assert): Replace
9051 fold (build (...)) with fold_build2.
9053 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9055 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
9056 gcc_gfc_char_table, init_dynamic_gfc_info): New.
9057 (format_types_orig, handle_format_attribute): Add support for
9060 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
9062 * varasm.c (assemble_variable): Fix format specifier thinko.
9064 2005-07-03 Ira Rosen <irar@il.ibm.com>
9066 PR tree-optimization/22029 (and 22135)
9067 * tree-pretty-print.c (dump_generic_node): Check that the node is not
9068 a phi node before calling dump_vops.
9070 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
9072 * tree-dump.h (dump_string_field): Declare.
9073 * tree-dump.c: Use it instead of dump_string.
9074 (dump_string_field): Make non-static.
9076 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
9078 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
9079 up the minimal CFG stuff always when optimize > 0. Call
9080 split_all_insns_noflow in PIC case if needed.
9082 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
9083 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
9086 * c-decl.c (c_write_global_declarations): Dump contents of
9088 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
9089 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
9090 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
9091 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
9094 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
9096 * c-common.h (GCC_DIAG_STYLE): Define.
9097 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
9098 version for format checking to 4.1.
9099 * c-format.c: Include toplev.h after c-common.h.
9100 (enum format_type): Add gcc_tdiag_format_type.
9101 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
9102 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
9103 (format_types_orig): Add gcc_tdiag.
9104 (init_dynamic_diag_info): Support gcc_tdiag formats.
9105 (handle_format_attribute): Likewise.
9106 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
9107 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
9108 version for format checking to 4.1.
9109 (warning0, warning, error, pedwarn, sorry): Use
9111 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
9112 (finish_aliases_1): Do not use %qE.
9113 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
9114 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
9115 Correct format bugs.
9116 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
9117 parameter to unsigned HOST_WIDE_INT.
9118 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
9120 2005-07-02 David Edelsohn <edelsohn@gnu.org>
9123 * expr.c (write_complex_part): Use adjust_address for MEM.
9124 (read_complex_part): Same.
9126 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
9128 Fix PR tree-optimization/22280
9130 * tree-sra.c (generate_element_init): Remove useless loop.
9132 2005-07-02 Richard Henderson <rth@redhat.com>
9134 * config/alpha/alpha.c (alpha_legitimize_address): Check for
9136 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
9138 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
9141 * fold-const.c (fold_binary): Handle the return value of
9142 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
9143 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
9145 2005-07-02 Jeff Law <law@redhat.com>
9147 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
9148 a eliminate type conversion which feeds an equality comparison
9149 if the original type or either operand in the comparison is a
9152 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
9154 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
9155 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
9157 * config/avr/avr.c: Do not use '`' as left quote.
9158 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
9159 Remove "." from end of diagnostics. Make diagnostics start with
9162 2005-07-02 Zack Weinberg <zack@codesourcery.com>
9163 Joseph S. Myers <joseph@codesourcery.com>
9165 * toplev.c (default_tree_printer): Handle setting location with
9167 * c-objc.common.c (c_tree_printer): Likewise.
9168 * c-format.c (gcc_diag_flag_specs): Add '+'.
9169 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
9170 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
9172 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
9173 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
9174 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
9175 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
9176 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
9177 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
9178 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
9179 format arguments where %J is used without %D.
9181 2005-07-02 Jakub Jelinek <jakub@redhat.com>
9183 * gcc.c (LINK_SSP_SPEC): Define.
9184 (link_ssp_spec): New variable.
9185 (LINK_COMMAND_SPEC): Add %(link_ssp).
9186 (static_specs): Add link_ssp_spec.
9187 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
9188 * configure: Rebuilt.
9189 * config.in: Rebuilt.
9191 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9192 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9193 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9194 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9195 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
9196 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
9197 -0x7008(2) instead of reading __stack_chk_guard variable.
9198 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
9200 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
9201 (stack_protect_set, stack_protect_test): Use *_tls* patterns
9202 if TARGET_THREAD_SSP_OFFSET is defined.
9203 (stack_tls_protect_set_si, stack_tls_protect_set_di,
9204 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
9207 2005-06-27 Richard Henderson <rth@redhat.com>
9208 * libgcc-std.ver (GCC_4.1.0): New.
9209 * libgcc.h (__stack_chk_guard): Declare.
9210 (__stack_chk_fail, __stack_chk_fail_local): Declare.
9211 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
9212 * mklibgcc.in (lib2funcs): Add them.
9214 2005-07-01 Richard Henderson <rth@redhat.com>
9216 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
9217 void * before struct sigcontext *.
9218 (x86_fallback_frame_state): Likewise.
9220 2005-07-01 James E. Wilson <wilson@specifixinc.com>
9222 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
9224 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
9227 * tree-ssa-reassoc.c (should_transpose): Fix which operand
9228 we check for SSA_NAME for.
9230 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
9232 Fix PR tree-optimization/22071
9234 * tree-ssa-structalias.c (offset_overlaps_with_access): New
9236 (get_constraint_for_component_ref): Use it.
9238 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
9241 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
9242 print out the last new line.
9244 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
9246 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
9247 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
9248 * config/cris/cris.c (cris_conditional_register_usage): Adjust
9249 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
9250 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
9251 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
9252 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
9253 (enum reg_class): New member CC0_REGS.
9254 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
9255 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
9256 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
9257 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
9258 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
9259 Adjust for register now described.
9261 2005-07-01 Jakub Jelinek <jakub@redhat.com>
9264 * config/i386/i386.md (stack_protect_test_si,
9265 stack_protect_test_di): Add earlyclobber for scratch 3.
9266 * config/rs6000/rs6000.md (stack_protect_testsi,
9267 stack_protect_testdi): Add earlyclobber for scratch 3,
9268 remove earlyclobber from scratch 4.
9270 Older entries for 2005 can be found in ChangeLog-2005.