* config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
[official-gcc.git] / gcc / ChangeLog
blobbb162518d71b9beed5a6a1276c0e24e9aa4e3ca2
1 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
3         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
5 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
7         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
8         to BASE_REGNUM.
9         * config/s390/s390.c: Likewise.
10         * config/s390/s390.h: Likewise.
12 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
14         * config/mips/mips.md (addsi3, adddi3): Remove special handling
15         of $sp adds.  Remove REGNO checks from mips16 patterns.
17 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
19         * config/mips/mips.md: Delete outdated comment.
21 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
23         * config/mips/mips.c (get_float_compare_codes): Delete.
24         (mips_emit_compare): New function, mostly extracted from
25         get_float_compare_codes and gen_conditional_branch.
26         (gen_conditional_branch, gen_conditional_move): Use it.
28 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
30         * genautomata.c (add_vect): Speedup by using integers as
31         bit-vectors for walking through the comb_vect and finding
32         a match.
34 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
36         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
37         operand is an uns_arith_operand; use subtraction otherwise.
38         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
39         not just arith_operands.
41 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
43         * config/mips/mips-protos.h (gen_int_relational): Delete.
44         (mips_emit_scc): Declare.
45         * config/mips/mips.c (internal_test): Delete.
46         (sle_operand, sleu_operand): New functions.
47         (map_test_to_internal_test, gen_int_relational): Delete.
48         (mips_emit_binary, mips_relational_operand_ok_p)
49         (mips_emit_int_relational, mips_zero_if_equal)
50         (mips_emit_scc): New functions.
51         (gen_conditional_branch): Rework to use mips_emit_int_relational.
52         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
53         sleu_operand.
54         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
55         (sltu, sleu): Use mips_emit_scc.
56         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
57         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
58         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
60 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
62         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
64 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
66         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
67         (*sne_[sd]i): Likewise sne_[sd]i_zero.
68         (*sgt_[sd]i): ...and sgt_[sd]i.
69         (*slt_[sd]i): ...and slt_[sd]i.
70         (*sgtu_[sd]i): ...and sgtu_[sd]i.
71         (*sltu_[sd]i): ...and sltu_[sd]i.
72         (*sleu_[sd]i): ...and sleu_[sd]i_const.
73         Name previously unnamed mips16 patterns.  Formatting fixes.
75 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
77         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
78         (branch_type): Delete.
79         (gen_conditional_branch, gen_conditional_move)
80         (mips_gen_conditional_trap): Update after name change.  Get the
81         comparison mode from cmp_operands[0].
82         * config/mips/mips.h (cmp_type, branch_type): Delete.
83         (cmp_operands): Renamed from branch_cmp.
84         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
85         name change.  Don't set branch_type.
86         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
87         mode class of cmp_operands[0] rather than branch_type.  Update after
88         name change.
90 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
92         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
93         of 0...255 to 0 when inside a SET.
95 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
97         * config/mips/mips.md: Remove mips16 define_peepholes.
99 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
101         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
102         (fini_pre): Remove fake edges.
104 2004-07-15  Richard Henderson  <rth@redhat.com>
106         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
107         (get_indirect_ref_operands, get_call_expr_operands): ... these.
109 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
111         * vec.h (VEC_address): New function.
113 2004-07-14  Jason Merrill  <jason@redhat.com>
115         PR middle-end/15885
116         * gimplify.c (gimplify_arg): New fn, split out from...
117         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
119 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
121         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to 
122         generate code which is generated by pushqi1 now
123         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
125 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
127         * combine.c (simplify_set): match the mode of the constant 0 with 
128         the tested operand to match the compare behaviour and the 
129         simplify_relational_operation() expectation.
131 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
133         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
134         ("bordered"): Same.
136 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
138         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
139         unconditionally.
140         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
142 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
144         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
145         calls in mips16 code.
147 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
149         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
150         the destination of the li as well as for the neg.
152 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
154         g++/15861
155         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
156         * cgraph.h: Update declaration.
157         * c-decl.c (build_cdtor): Update call with default priority.
158         * coverage.c (create_coverage): Ditto.
159         * tree-mudflap.c (mf_init_fndecl): New tree.
160         (mudflap_init): Set it.
161         (mudflap_register_call): Arrange to call __mf_init before the first
162         __mf_register call.
163         (mudflap_finish_file): Mark the mudflap static initializer as extra
164         high priority, to beat all C++ static constructors.
166 2004-07-15  Jeff Law  <law@redhat.com>
168         * loop.c (check_insn_for_givs): Restore check for code labels that was
169         accidentally deleted by a recent checkin.
171 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
173         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
174         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
176 2004-07-14  Richard Henderson  <rth@redhat.com>
178         * print-tree.c (print_node): Fix casts last change.
180 2004-07-15  Paul Brook  <paul@codesourcery.com>
182         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
183         to TARGET_UNWIND_INFO.
184         * except.c (output_function_exception_table): Ditto.
185         * except.h: Ditto.
186         * opts.c (decode_options): Ditto.
187         * passes.c (rest_of_handle_final): Ditto.
188         * final.c (final_start_function): Ditto.
189         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
190         target hook.
191         * targhooks.h (default_unwind_emit): Declare.
192         * targhooks.c (default_unwind_emit): New function.
193         * target-def.h: Define and use TARGET_UNWIND_EMIT.
194         * target.h (struct gcc_target): Add unwind_emit.
195         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
196         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
197         Remove IA64_UNWIND_EMIT.
198         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
200 2004-07-14  Richard Henderson  <rth@redhat.com>
202         * print-tree.c (print_node): Handle SSA_NAME.
204 2004-07-14  James E Wilson  <wilson@specifixinc.com>
206         PR target/16325
207         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
208         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
210 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
212         * expr.c (expand_assignment): Reenable bitfield += optimizations.
213         Use alias set 0 for memory, do proper mode calculations and adjust
214         address for memories.
216 2004-07-14  Per Bothner  <per@bothner.com>
218         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
219         structure with extra column field.
220         * tree.c (expand_location):  Also fill in column field.
221         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
222         gets confused by the two conditionally-compiled definitions.
224 2004-07-14  Eric Christopher  <echristo@redhat.com>
226         * calls.c (expand_call): Fix typo in comment.
228 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
230         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
231         comparision of TFmode.
233 2004-07-14  Richard Henderson  <rth@redhat.com>
235         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
236         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
237         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
238         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
239         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
240         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
241         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
242         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
243         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
245 2004-07-14  Mike Stump  <mrs@apple.com>
247         * config/darwin.h (WINT_TYPE): Define to be int to match
248         system header files.
250 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
252         * config/xtensa/xtensa.c (function_arg_advance): Check for args
253         that must be passed in the stack.
254         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
255         arguments if the size is not a constant.
257 2004-07-14  Per Bothner  <per@bothner.com>
259         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
260         instead of EXPR_LOCUS in a boolean context, which is always true
261         if --enable-mapped-location.
262         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
264 2004-07-14  Richard Henderson  <rth@redhat.com>
266         * dominance.c (struct dom_info): Add fake_exit_edge.
267         (init_dom_info): Allocate it.
268         (free_dom_info): Free it.
269         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
270         in two passes.
271         (calc_idoms): Honor fake_exit_edge.
273 2004-07-13  Jason Merrill  <jason@redhat.com>
275         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
276         (rhs_test_for): New fn.
277         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
278         * tree-gimple.h: Declare them.
279         * gimplify.c (gimplify_modify_expr): Use the new fns.
281 2004-07-14  Richard Henderson  <rth@redhat.com>
283         * config/arm/arm-protos.h (arm_va_arg): Remove.
284         * config/arm/arm.c (arm_va_arg): Remove.
285         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
286         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
288 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
290         * pa.c (fix_range): New function to mark a range(s) of registers as
291         fixed registers.
292         (override_options): Call fix_range if the -mfixed-range option string
293         is not empty.
294         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
295         * doc/invoke.texi (-mfixed-range): Document new option.
297 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
299         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
300         for TARGET_64BIT.
301         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
303 2004-07-14  Roger Sayle  <roger@eyesopen.com>
305         * expmed.c (expand_sdiv_pow2): New function to expand signed division
306         by a positive power of two, split out from expand_divmod.  Provide
307         an alternate implementation when shifts are expensive.  Lower the
308         threshold for using a branchless implementation to BRANCH_COST >= 2.
309         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
311 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
313         * tree-dfa.c (make_rename_temp): *Really* work just
314         like create_tmp_var if called while outside SSA form.
316 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
318         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
319         for division by zero.
320         ("umodsi3"): Likewise.
322 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
324         * config/mips/mips.c (mips_output_move): When generating mips16 code,
325         force loads of negative constants to be split.
326         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
327         Generalize SImode li/neg splitter to cope with other modes.
329 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
331         * expmed.c: Remove more references to QUEUED in the comments.
332         * expr.c: Likewise.
334 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
336         Revert:
337         2004-07-13  Richard Henderson  <rth@redhat.com>
338         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
339         correctly.
341 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
343         * tree-dfa.c (make_rename_temp): Work just like
344         create_tmp_var if called while outside SSA form.
346 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
348         * expr.c (enqueue_insn, finish_expr_for_function,
349         protect_from_queue, queued_subexp_p, mark_queue,
350         emit_insns_enqueued_after_mark, emit_queue,
351         expand_increment): Remove.
352         (store_constructor): Expand increment as an assignment.
353         (expand_expr_real_1 <case PREINCREMENT_EXPR,
354         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
355         case POSTDECREMENT_EXPR>): Abort.
356         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
357         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
358         protect_from_queue, emit_queue, queued_subexp_p): Remove.
359         * function.h (pending_chain, x_pending_chain): Remove.
360         * rtl.def (QUEUED): Remove.
362         * emit-rtl.c (copy_insn_1, copy_most_rtx,
363         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
364         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
365         encode_units_mask): Likewise.
366         * local-alloc.c (equiv_init_varies_p): Likewise.
367         * rtl.c (copy_rtx): Likewise.
368         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
369         * simplify-rtx.c (simplify_gen_subreg): Likewise.
370         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
372         * builtins.c (expand_builtin, expand_builtin_apply,
373         expand_builtin_mathfn, expand_builtin_mathfn_2,
374         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
375         Remove calls to emit_queue and protect_from_queue.
376         * calls.c (expand_call, precompute_arguments,
377         precompute_register_parameters, rtx_for_function_call,
378         store_one_arg): Likewise.
379         * dojump.c (do_compare_and_jump, do_jump): Likewise.
380         * explow.c (memory_address): Likewise.
381         * expmed.c (clear_by_pieces_1, clear_storage,
382         clear_storage_via_libcall, emit_group_load,
383         emit_group_store, emit_store_flag,
384         expand_expr_real_1, store_by_pieces,
385         store_constructor, store_expr, try_casesi,
386         try_tablejump): Likewise.
387         * function.c (expand_pending_sizes): Likewise.
388         * optabs.c (emit_cmp_and_jump_insns,
389         emit_conditional_add, emit_conditional_move,
390         expand_fix, expand_float, prepare_cmp_insn): Likewise.
391         * stmt.c (emit_case_bit_tests,
392         expand_asm_expr, expand_computed_goto,
393         expand_decl_init, expand_end_case_type,
394         expand_end_stmt_expr, expand_expr_stmt_value,
395         expand_return, expand_start_case,
396         optimize_tail_recursion): Likewise.
397         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
398         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
400 2004-07-14  Ben Elliston  <bje@au.ibm.com>
402         * vec.h: Comment fix.
404 2004-07-13  Richard Henderson  <rth@redhat.com>
406         * target.h (struct gcc_target): Add calls.pass_by_reference.
407         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
408         * function.c (pass_by_reference): Use the hook.
409         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
410         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
411         (hook_pass_by_reference_must_pass_in_stack): New.
412         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
413         (alpha_pass_by_reference): New.
414         (TARGET_PASS_BY_REFERENCE): New.
415         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
416         * config/arc/arc.c (arc_pass_by_reference): New.
417         (TARGET_PASS_BY_REFERENCE): New.
418         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
419         (FUNCTION_ARG_CALLEE_COPIES): True.
420         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
421         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
422         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
423         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
424         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
425         * config/cris/cris.c (cris_pass_by_reference): New.
426         (TARGET_PASS_BY_REFERENCE): New.
427         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
428         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
429         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
430         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
431         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
432         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
433         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
434         (frv_function_arg_pass_by_reference): Remove.
435         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
436         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
437         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
438         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
439         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
440         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
441         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
442         (ia64_pass_by_reference): Rename from
443         ia64_function_arg_pass_by_reference.
444         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
445         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
446         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
447         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
448         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
449         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
450         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
451         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
452         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
453         (m32r_pass_by_reference): Adjust prototype.  Make static.
454         Handle mode sizes correctly.
455         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
456         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
457         (m68hc11_function_arg_pass_by_reference): Remove.
458         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
459         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
460         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
461         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
462         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
463         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
464         (mips_va_arg): Use pass_by_reference.
465         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
466         Handle mode sizes correctly.
467         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
468         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
469         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
470         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
471         (mmix_pass_by_reference): Rename from
472         mmix_function_arg_pass_by_reference.
473         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
474         (FUNCTION_ARG_CALLEE_COPIES): True.
475         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
476         (mn10300_pass_by_reference): New.
477         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
478         (FUNCTION_ARG_CALLEE_COPIES): True.
479         * config/pa/pa.c (pa_pass_by_reference): New.
480         (TARGET_PASS_BY_REFERENCE): New.
481         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
482         (FUNCTION_ARG_CALLEE_COPIES): True.
483         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
484         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
485         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
486         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
487         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
488         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
489         (s390_pass_by_reference): Rename from
490         s390_function_arg_pass_by_reference.
491         (s390_function_arg_advance): Don't query pass-by-ref.
492         (s390_function_arg): Likewise.
493         (s390_gimplify_va_arg): Use pass_by_reference.
494         (s390_call_saved_register_used): Likewise.
495         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
496         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
497         (shcompact_byref, sh_pass_by_reference): New.
498         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
499         (SHCOMPACT_BYREF): Remove.
500         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
501         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
502         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
503         (sparc_gimplify_va_arg): Use pass_by_reference.
504         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
505         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
506         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
507         (v850_pass_by_reference): New.
508         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
509         (FUNCTION_ARG_CALLEE_COPIES): True.
510         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
511         FUNCTION_ARG_PASS_BY_REFERENCE docs.
513 2004-07-14  Richard Henderson  <rth@redhat.com>
514             Richard Sandiford  <rsandifo@redhat.com>
516         * config/mips/mips-protos.h (mips_va_arg): Delete.
517         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
518         * config/mips/mips.c: Include tree-gimple.h.
519         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
520         (mips_arg_info): Remove special handling of must_pass_in_stck args.
521         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
522         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
524 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
526         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
527         arguments for COND_EXPR in big-endian adjustment code.
529 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
531         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
532         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
533         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
534         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
536 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
538         PR tree-optimization/16443
539         * tree-ssa-alias.c: Add more description for
540         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
541         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
542         clobbering of call-clobbered and addressable variables.  If
543         there are any before aliases have been computed, add them.
545 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
547         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
548         verification.
550 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
552         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
553         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
554         to the same type.
556 2004-07-13  Per Bothner  <per@bothner.com>
558         * collect2.c (main):  Handle --no-demangle and --demangle flags.
560 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
562         * Makefile.in (OBJS-common): Add tree-data-ref.o.
563         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
564         (tree-data-ref.o): New rule.
565         * lambda.h: New file.
566         * tree-data-ref.c: New file.
567         * tree-data-ref.h: New file.
568         * tree.c (int_cst_value, tree_fold_gcd): New functions.
569         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
571 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
573         PR target/13926
574         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
575         * config/sparc/sparc.c (output_ubranch): New function.
576         * config/sparc/sparc.md (jump pattern): Use it.
578 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
580         PR target/16494
581         * config/sparc/sparc.c (output_cbranch): Properly guard
582         the code handling far branches with TARGET_V9.
583         * config/sparc/sparc.md (length attribute): Document the
584         side-effect of having a length greater or equal to 3.
586 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
587             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
589         PR target/15186
590         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
591         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
593 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
594             Martin Sebor  <sebor@roguewave.com>
596         PR target/12602
597         * doc/invoke.texi (SPARC options): Document -threads
598         and -pthreads on Solaris.
600 2004-07-13  Richard Henderson  <rth@redhat.com>
602         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
603         by reference.
604         (ind_gimplify_va_arg_expr): Remove.
605         * tree.h (ind_gimplify_va_arg_expr): Remove.
606         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
607         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
608         argsp to be null.
610         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
611         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
612         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
613         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
614         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
616 2004-07-13  Richard Henderson  <rth@redhat.com>
618         * function.c (pass_by_reference): New.
619         (assign_parm_find_data_types): Use it.
620         * calls.c (initialize_argument_information): Likewise.
621         (emit_library_call_value_1): Likewise.
622         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
623         * function.h (pass_by_reference): Declare.
625 2004-07-13  Richard Henderson  <rth@redhat.com>
627         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
628         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
629         * expr.h (MUST_PASS_IN_STACK): Remove.
630         * system.h (MUST_PASS_IN_STACK): Poison.
631         * tree.h (must_pass_in_stack_var_size): Declare.
632         (must_pass_in_stack_var_size_or_pad): Declare.
633         * calls.c (must_pass_in_stack_var_size): New.
634         (must_pass_in_stack_var_size_or_pad): Rename from
635         default_must_pass_in_stack.
636         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
637         (TARGET_MUST_PASS_IN_STACK): New.
638         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
639         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
640         (TARGET_MUST_PASS_IN_STACK): New.
641         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
642         * config/frv/frv.c (frv_must_pass_in_stack): New.
643         (TARGET_MUST_PASS_IN_STACK): New.
644         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
645         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
646         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
647         (ix86_must_pass_in_stack): Make static.
648         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
649         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
650         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
651         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
652         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
653         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
654         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
655         (mcore_must_pass_on_stack): Remove.
656         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
657         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
658         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
659         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
660         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
661         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
662         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
663         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
664         (TARGET_MUST_PASS_IN_STACK): New.
665         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
666         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
667         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
668         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
669         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
670         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
671         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
672         MUST_PASS_IN_STACK.
674         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
675         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
676         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
677         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
678         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
679         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
680         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
681         config/xtensa/xtensa.c: Use target hook.
683 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
685         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
686         * configure: Rebuilt.
688 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
690         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
691         * config/mips/mips.h (mips_reg_names): Don't declare.
692         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
693         (TARGET_NAME_REGS): Delete.
694         (TARGET_SWITCHES): Remove -mrnames.
695         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
696         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
697         in REGISTER_NAMES.
698         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
699         (override_options): Remove handling of TARGET_NAME_REGS.
701 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
703         * config/mips/mips.h (TARGET_*): Boolify.
705 2004-07-12  Nick Clifton  <nickc@redhat.com>
707         * config.gcc: Add sh-*-symbianelf target.
708         * config/sh/sh.c: Add new target macros:
709         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
710         TARGET_CXX_IMPORT_EXPORT_CLASS.
711         (sh_file_start): Create a definition of the .directive section.
712         (sh_attribute): Add dllimport and dllexport attributes.
713         * config/sh/symbian-pre.h: New file.
714         * config/sh/symbian-post.h: New file.
715         * config/sh/symbian.c: New file. Contains Symbian specific
716         functions.
717         * config/sh/sh-protos.h: Add prototypes for new functions
718         provided by symbian.c.
719         * config/sh/t-symbian: New file.
720         * doc/extend.texi: Document support for dllimport and dllexport
721         attributes by the sh-symbianelf target.
723 2004-07-12  James E Wilson  <wilson@specifixinc.com>
725         * Makefile.in (AR): Use @AR@ not ar.
726         (NM): New.
727         (AR_FOR_TARGET): Use $(AR) not ar for native.
728         (NM_FOR_TARGET): Use $(NM) not nm for native.
729         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
730         * configure: Regenerate.
732 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
734         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
735         special case.
736         (ashldi3_sp64): Likewise.
738 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
740         PR target/16477
741         * pa.c (function_arg): Update comment.
742         * pa.h (BLOCK_REG_PADDING): Define.
744 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
746         PR tree-optimization/16461
747         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
748         arguments of phi nodes.
750 2004-07-12  Devang Patel  <dpatel@apple.com>
752         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
754 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
756         * function.c (expand_function_start): Ensure r_save is in Pmode.
757         * calls.c (prepare_call_address): Ensure static_chain_value is
758         in Pmode.
759         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
760         r_save_area are in Pmode.
761         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
762         fnaddr, and static_chain are in Pmode.
764 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
766         PR target/16445
767         * config/ia64/ia64.c (bundling): Don't count ignored insns.
769 2004-07-12  Richard Henderson  <rth@redhat.com>
771         * target.h (struct gcc_target): Move gimplify_va_arg_expr
772         next to build_builtin_va_list.
773         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
774         * builtins.c (gimplify_va_arg_expr): Likewise.
775         * gimplify.c (copy_if_shared_r): Likewise.
777 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
779         * passes.c (rest_of_decl_compilation): Don't defer call of
780         assemble_variable if its DECL_RTL is already set.
782 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
784         * cfgloop.h (struct loop): Add nb_iterations field.
785         (current_loops): Declare.
786         * tree-chrec.c (chrec_not_analyzed_yet,
787         chrec_dont_know, chrec_known, count_ev_in_wider_type,
788         chrec_contains_symbols_defined_in_loop): Remove the temporary
789         hooks.
790         * tree-flow-inline.h (loop_containing_stmt): New function.
791         * tree-scalar-evolution.c: Add implementation.
792         * tree-scalar-evolution.h: Add declarations.
794 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
796         PR rtl-optimization/15921
797         * Makefile.in (global.o): Add recog.h.
799         * global.c (recog.h): Add the include-clause.
800         (bb_info): New member earlyclobber.
801         (allocate_bb_info, free_bb_info): Initialize/finish the new
802         member.
803         (earlyclobber_regclass, earlyclobber_regclass_length): The new
804         global variables.
805         (check_earlyclobber, regclass_intersect,
806         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
807         New functions.
808         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
809         (make_accurate_live_analysis): Modify pavin.
811 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
813         * tree-cfg.c (find_taken_edge): Statically compute the truth
814         value of a predicate comparing an SSA_NAME to itself.
816 2004-07-12  Roger Sayle  <roger@eyesopen.com>
818         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
819         rs6000 doesn't have shift-and-add or shift-and-sub instructions
820         by returning the cost of a multiplication plus an addition.
822 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
824         PR tree-optimization/14107
825         * gimplify.c (gimplify_return_expr): Accept a
826         RETURN_EXPR with an error argument.
827         * tree-optimize.c (init_tree_optimization_passes):
828         Run pass_warn_function_return at -O0.
830 2004-07-12  Roger Sayle  <roger@eyesopen.com>
832         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
833         index entry.
835 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
837         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
838         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
839         * config/mips/3000.md: Add copyright notice.  Remove automota and
840         function units; use generic ones instead.  Only define reservations
841         for things that are different from generic.md.  Extend each clause
842         to include r3900.
843         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
844         * config/mips/mips.md: Include them. Remove define_function_units.
845         (alu, imuldiv): New automata and units.
847 2004-07-12  Ben Elliston  <bje@au.ibm.com>
849         * doc/invoke.texi (Optimize Options): Document -frename-registers
850         not being enabled by default at -O3.
852 2004-07-11  Roger Sayle  <roger@eyesopen.com>
854         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
855         floating point additions, to keep real immediate constant positive.
856         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
857         into X + C, and leave positive real constants as X - C.
859 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
861         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
863 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
865         PR tree-optimization/15654
866         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
868 2004-07-11  Roger Sayle  <roger@eyesopen.com>
870         * builtins.c (fold_builtin_fputs): Don't bother converting the
871         return type to integer_type_node, as we've already checked that
872         the result will be ignored.
874         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
875         that signed addition, subtraction, multiplication, division,
876         remainder, negation and absolute value may potentially trap.
878         * fold-const.c (fold_ignored_result): New function to strip
879         non-side-effecting tree nodes from an expression whose result
880         is ignored.
881         (fold_convert): Call fold_ignored_result when casting a value
882         to VOID_TYPE.
883         (omit_one_operand):  Call fold_ignored_result on the "omitted"
884         operand when building a COMPOUND_EXPR.
885         (pedantic_omit_one_operand): Likewise.
886         * tree.h (fold_ignored_result): Prototype here.
887         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
888         when we're going to ignore the result.
890 2004-07-11  Richard Henderson  <rth@redhat.com>
892         PR tree-opt/16383
893         * tree-ssa-ccp.c (fold_stmt_r): Split out...
894         * tree.c (fields_compatible_p, find_compatible_field): ... new.
895         * tree.h (fields_compatible_p, find_compatible_field): Declare.
896         * tree-sra.c (sra_hash_tree): Hash fields by offset.
897         (sra_elt_eq): Use fields_compatible_p.
898         (generate_one_element_ref): Use find_compatible_field.
900 2004-07-11  Richard Henderson  <rth@redhat.com>
902         PR tree-opt/16422
903         * tree-sra.c (generate_one_element_init): New.
904         (generate_element_init): Use it.
905         (scalarize_init): Push/pop gimplify context around it.
906         (find_new_referenced_vars_1, find_new_referenced_vars): New.
907         * gimplify.c (gimplify_expr): Allow SSA_NAME.
909 2004-07-11  Roger Sayle  <roger@eyesopen.com>
911         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
912         combine.c's combine_insn_cost.
913         * rtl.h (insn_rtx_cost): Prototype here.
914         * combine.c (combine_insn_cost): Delete function.
915         (combine_validate_cost): Update callers of combine_insn_cost to
916         call insn_rtx_cost instead.
917         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
918         requesting the rtx_cost of call and/or jump instructions.
920         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
921         rtx_cost directly.  Don't request/use the cost of call or jump
922         instructions.  Return -1 if the cost of any instruction can't be
923         determined (or the BB contains a function call).
924         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
925         -1 (i.e. can't determine the cost of any instruction or the basic
926         block contains a subroutine call).
927         (find_if_case_2): Likewise.
929 2004-07-11  Roger Sayle  <roger@eyesopen.com>
931         * rs6000.c (struct processor_costs): Change semantics of fields to
932         include the COST_N_INSNS scaling, and update all initializers.
933         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
934         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
935         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
936         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
938 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
940         * LANGUAGES: Remove obsolete information.
942 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
944         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
945         SIGBUS signal frames, the PSW address points *to* the faulting
946         instruction, not after it.
948 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
950         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
951         added to TLS symbol addresses.
953 2004-07-11  Richard Henderson  <rth@redhat.com>
955         * expmed.c (init_expmed): Use stack-local structures for
956         temporary rtl.  Don't recognize shifts.
958 2004-07-11  Richard Henderson  <rth@redhat.com>
960         * expr.c (store_expr): Don't fiddle subreg promotion for types
961         with precision smaller than the mode.
963 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
965         * tree.h (all_types_permanent): Remove.
967 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
969         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
970         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
971         * langhooks.c (lhd_clear_binding_stack): Remove.
972         * langhooks-def.h (lhd_clear_binding_stack,
973         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
974         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
975         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
976         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
977         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
978         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
979         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
980         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
981         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
982         * tree.h (poplevel): Don't declare.
983         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
984         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
985         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
986         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
987         Remove.
989 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
991         PR tree-optimization/16437
992         * c-common.c (shorten_compare): Don't mark result of conversion to
993         narrower signed type as overflowing.
994         * fold-const.c (decode_field_reference): Determine whether
995         signedness comes from outer type using precision rather than size.
997 2004-07-11  Phil Edwards  <phil@codesourcery.com>
999         * configure.ac:  Alphabetize --enable-checking list, add
1000         missing valgrind entry.
1001         * configure:  Regenerate.
1003 2004-07-11  Phil Edwards  <phil@codesourcery.com>
1005         * doc/install.texi (Testing):  Fix syntax in "make check" example.
1007 2004-07-10  James E Wilson  <wilson@specifixinc.com>
1009         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
1011 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1013         PR rtl-optimization/16001
1014         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
1015         niter_expr.
1017 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
1019         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
1021 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
1022             James Morrison  <phython@gcc.gnu.org>
1024         * doc/contrib.texi (Contributors): Add gfortran contributors and
1025         fix a couple of typos.
1027 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1029         PR rtl-optimization/15387
1030         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
1031         to incoming args space correctly.
1033 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1035         * pa.c (output_indirect_call): Only use %r2 as the link register in
1036         indirect calls with the long PA 2.0 pc-relative branch.
1038 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
1040         * config/i386/i386.c (override_options): Pick a 64-bit CPU
1041         for the default tuning if TARGET_64BIT.
1043 2004-07-10  Richard Henderson  <rth@redhat.com>
1045         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
1046         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
1048 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
1050         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
1051         * expmed.c (store_bit_field, extract_bit_field): Remove last
1052         argument.
1053         * builtins.c (expand_builtin_signbit): Adjust callers.
1054         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
1055         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
1056         * ifcvt.c (noce_emit_move_insn): Likewise.
1057         * stmt.c (expand_return): Likewise.
1058         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
1059         store_field, expand_expr_real_1): Likewise.
1061 2004-07-10  Richard Henderson  <rth@redhat.com>
1063         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
1065 2004-07-09  Mike Stump  <mrs@apple.com>
1067         * config/darwin.c (no_dead_strip): Add.
1068         (HAVE_DEAD_STRIP): Add.
1069         (darwin_emit_unwind_label): Ensure that we don't dead code strip
1070         the .eh label.
1072 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1074         * tree-ssa-loop-im.c: New file.
1075         * Makefile.in (tree-ssa-loop-im.o): Add.
1076         * cfgloop.c (superloop_at_depth): New function.
1077         * cfgloop.h (superloop_at_depth): Declare.
1078         * common.opt (ftree-lim): New flag.
1079         * expr.c (array_ref_up_bound): New function.
1080         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
1081         * timevar.def (TV_LIM): New timevar.
1082         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
1083         computing immediate uses of a phi node.
1084         * tree-flow.h (struct tree_ann_common_d): Add aux field.
1085         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
1086         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
1087         * tree-pass.h (pass_lim): Declare.
1088         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
1089         functions.
1090         (pass_lim): New pass structure.
1091         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
1092         * tree.c (in_array_bounds_p): New function.
1093         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
1094         (in_array_bounds_p, array_ref_up_bound): Declare.
1095         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
1096         * doc/passes.texi (tree-ssa-loop-im.c): Document.
1098 2004-07-09  Richard Henderson  <rth@redhat.com>
1100         * builtins.c (expand_builtin_stpcpy): Don't modify len.
1102         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
1103         with prejudice.
1105 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
1107         * flags.h: Delete redundant prototypes that are being generated
1108         in options.h from common.opt.
1109         * common.opt: Add in the expository comments formerly in flags.h.
1111 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1113         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
1114         available for use only when TARGET_MMX/_SSE is set, and check for
1115         variable argument function if any register count is non-zero.
1116         (function_arg): Correctly suppress repeated warnings for passing SSE
1117         vectors are arguments without SSE enabled.
1118         (ix86_function_arg_boundary): Without SSE enabled, the use of what
1119         would be SSE register modes does no longer influence the alignment.
1121 2004-07-09  Richard Henderson  <rth@redhat.com>
1123         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
1124         Always align upward to arg boundary.  Use size_in_bytes/round_up.
1125         Maintain type-correctness of constants.
1126         * stor-layout.c (round_up, round_down): Special-case powers of 2.
1128 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
1130         * config/sparc/sparc.c (*_costs): Scale instruction costs
1131         by COSTS_N_INSNS.
1132         (sparc_rtx_costs): Adjust as appropriate.
1134 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1136         * config/i386/mm3dnow.h: New.
1137         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
1139 2004-07-09  Richard Henderson  <rth@redhat.com>
1141         * simplify-rtx.c (simplify_const_relational_operation): Only
1142         look at bounds of scalar integers.
1144 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1146         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
1148 2004-07-09  Andrew Pinski  <apinski@apple.com>
1150         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
1151         always referenced.
1152         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
1153         UOBJC_METACLASS_decl.
1155 2004-07-09  James E Wilson  <wilson@specifixinc.com>
1157         PR target/16364
1158         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
1159         do return a parallel if hfa_mode == XFmode and mode == TImode.
1161 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1163         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
1164         permissible for unary plus.
1166 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1168         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
1169         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
1170         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
1171         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
1172         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
1173         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
1174         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
1175         (BUILTIN_xxxIMAX): New.
1176         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
1177         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
1178         BUILT_IN_PARITYIMAX.
1180 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
1182         * config/sparc/sparc.h (processor_costs): Define.
1183         (sparc_costs): Declare.
1184         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
1185         hypersparc_costs, sparclet_costs, ultrasparc_costs,
1186         ultrasparc3_costs): New.
1187         (sparc_override_options): Set sparc_costs as appropriate.
1188         (sparc_rtx_costs): Use sparc_costs instead of messy
1189         conditionals.
1191 2004-07-09  Steven Bosscher  <stevenb@suse.de>
1193         * doc/md.texi (Processor pipeline description): Mention that
1194         the old pipeline description is deprecated.
1196         * config/rs6000/7450.md (automaton ppc7450): Split up, move
1197         mciu_7450 function unit to...
1198         (automaton ppc7450mciu): ...new automaton.
1200         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
1201         (schedule_block): Don't consider inserting bubbles.
1202         (sched_init): Don't initialize DFA bubbles.
1203         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
1204         TARGET_SCHED_DFA_BUBBLE): Remove.
1205         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
1206         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
1207         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
1209         * stmt.c (conditional_context): Remove prototype.
1210         * tree.h (conditional_context): Remove.
1211         * tree-cfg.c (pre_insert_on_edge): Remove.
1213         * c-common.h (c_expand_asm_operands): Remove prototype.
1214         * c-typeck.c (c_expand_asm_operands): Remove.
1216 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1218         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
1219         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
1220         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
1221         and V8QI are class SSE. All sufficiently small remaining vector modes
1222         must be passed in one or two integer registers.
1223         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
1224         returned in memory.
1225         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
1226         __builtin_ia32_pmuludq128 have non-uniform argument and return types
1227         and must thus be handled explicitly.
1228         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
1229         MMX and XMM regs.
1230         (movv8qi_internal, movv4hi_internal, movv2si_internal,
1231         movv2sf_internal): Permit moving between MMX and XMM registers (since
1232         MMX areguments and return values are passed in XMM registers).
1233         (sse2_umulsidi3): Correct type and mode.
1235 2004-07-09  Richard Henderson  <rth@redhat.com>
1237         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
1239 2004-07-09  Eric Christopher  <echristo@redhat.com>
1241         * config/rs6000/40x.md: Split into two automatons.
1243 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
1244             Andrew Pinski  <apinski@apple.com>
1246         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
1247         on when we have more than one input file.
1248         (c_common_parse_file): Restore loop over all input files.
1249         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
1251         * c-decl.c (set_type_context): New function.
1252         (pop_scope): Use it to set context of types.  When we
1253         encounter a TYPE_DECL, set the context of the attached type too.
1254         (pop_file_scope): Don't call cpp_undef_all here.
1255         (diagnose_mismatched_decls): Do not complain about a second
1256         definition of an 'extern inline' function if it's not in the
1257         same translation unit.  Do not complain about inline
1258         declaration after use if the use was in a different
1259         translation unit.
1260         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
1261         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
1262         the external scope.
1263         (pushdecl_top_level): Likewise.
1264         (grokdeclarator): Clarify what is going on with setting
1265         DECL_EXTERNAL on function types, a little.
1266         (c_write_global_declarations): Don't do anything if
1267         -fsyntax-only or errors have been encountered.
1269 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
1271         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
1273 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1275         PR target/16459
1276         * pa.c (output_indirect_call): Use %r2 as the link register when
1277         calling $$dyncall with a pc-relative branch.
1279 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
1281         * doc/install.texi (Binaries): Mention OpenPKG.
1283 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
1285         Fix PR tree-optimization/15555
1286         * tree-dfa.c (dump_variable): If the variable is a pointer
1287         SSA_NAME, also dump its points-to information.
1288         * tree-flow.h (struct ptr_info_def): Add field
1289         is_dereferenced.
1290         (dump_points_to_info_for): Declare.
1291         (debug_points_to_info_for): Declare.
1292         * tree-optimize.c (init_tree_optimization_passes): Add a
1293         second alias analysis pass after DOM2.
1294         Move pass_del_pta to a later spot.
1295         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
1296         create a name tags when we find a dereferenced pointer.  Just
1297         mark the pointer dereferenced.
1298         (collect_points_to_info_for): Move code to clear points-to
1299         information to create_name_tags.
1300         (create_name_tags): New function.
1301         (compute_flow_sensitive_aliasing): Call it.
1302         (setup_pointers_and_addressables): Mark type tags for renaming
1303         here instead of ...
1304         (create_memory_tag): ... here.
1305         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
1306         (dump_points_to_info_for): Declare extern.
1307         (debug_points_to_info_for): New function.
1309 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
1311         * config/arc/arc.md: Switch to DFA-based scheduler description.
1312         * config/arc/arc.c: Switch to DFA-based scheduler description.
1314 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1316         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
1317         pointer.
1319 2004-07-09  Richard Henderson  <rth@redhat.com>
1321         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
1322         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1323         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
1324         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
1326         * config/v850/v850-protos.h (v850_va_arg): Remove.
1327         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1328         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
1329         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
1330         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
1331         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
1333 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1335         PR target/12133
1336         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
1337         and DImode to use +/-4k offset.
1339 2004-07-09  Richard Henderson  <rth@redhat.com>
1341         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
1342         Remove.
1343         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1344         (xstormy16_gimplify_va_arg_expr): Rewrite from
1345         xstormy16_expand_builtin_va_arg.
1346         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
1348         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
1349         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
1351         * config/sh/sh-protos.h (sh_va_arg): Remove.
1352         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1353         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
1354         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
1356         * config/pa/pa-protos.h (hppa_va_arg): Remove.
1357         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1358         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
1359         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
1361         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
1362         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1363         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
1364         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
1366 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1368         * config/sparc/sparc.md (return): Rewrite length formula.
1369         * config/sparc/sparc.c (output_return): Pass 1 as 5th
1370         argument to final_scan_insn when in a delay slot.
1371         (output_sibcall): Likewise.
1373 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1375         * arm.c (arm_cpp_interwork): New variable.
1376         (arm_override_options): Set it if TARGET_INTERWORK was on the command
1377         line.
1378         * arm.h (arm_cpp_interwork): Declare it.
1379         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
1380         __THUMB_INTERWORK__ in the preprocessor.
1382 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
1384         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
1386 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1388         PR target/16416
1389         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
1390         Override default settings to account for -m32 and -m64.
1392 2004-07-08  Randolph Chung  <tausq@debian.org>
1394         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
1396 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
1398         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
1399         before comparing it as such.
1401 2004-07-08  Richard Henderson  <rth@redhat.com>
1403         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
1404         temporary.  Use bit arithmetic to align.
1406 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
1408         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
1409         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
1410         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
1411         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
1412         add_labels_and_missing_jumps, find_jump_block,
1413         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
1414         Likewise.
1415         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
1416         link_btr_uses, move_btr_def): Likewise.
1417         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
1418         expand_builtin_expect_jump): Likewise.
1419         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
1420         * calls.c (expand_call, emit_library_call_value_1): Likewise.
1421         * cfganal.c (forwarder_block_p): Likewise.
1422         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
1423         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
1424         find_bb_boundaries): Likewise.
1425         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1426         merge_blocks_move_predecessor_nojumps,
1427         merge_blocks_move_successor_nojumps, insns_match_p,
1428         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1429         try_optimize_cfg): Likewise.
1430         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
1431         * cfglayout.c (skip_insns_after_block, label_for_bb,
1432         record_effective_endpoints, insn_locators_initialize,
1433         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
1434         * cfgmainloop.c (create_loop_notes): Likewise.
1435         * cfgrtl.c (delete_insn, delete_insn_chain,
1436         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
1437         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
1438         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
1439         redirect_branch_edge, force_nonfallthru_and_redirect,
1440         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
1441         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
1442         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
1443         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
1444         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
1445         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
1446         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
1447         * combine.c (combine_instructions, can_combine_p, try_combine,
1448         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
1449         distribute_notes, distribute_links, insn_cuid): Likewise.
1450         * cse.c (fold_rtx, cse_insn, cse_around_loop,
1451         invalidate_skipped_block, cse_set_around_loop,
1452         cse_end_of_basic_block, cse_main, cse_basic_block,
1453         cse_condition_code_reg): Likewise.
1454         * cselib.c (cselib_process_insn): Likewise.
1455         * ddg.c (create_ddg): Likewise.
1456         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
1457         Likewise.
1458         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
1459         gen_label_die, dwarf2out_var_location): Likewise.
1460         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
1461         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
1462         last_call_insn, active_insn_p, next_label, prev_label,
1463         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
1464         add_insn_before, remove_insn, add_function_usage_to,
1465         reorder_insns, find_line_note, remove_unnecessary_notes,
1466         emit_insn_after_1, classify_insn): Likewise.
1467         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
1468         connect_post_landing_pads, sjlj_mark_call_sites,
1469         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
1470         can_throw_internal, can_throw_external, set_nothrow_function_flags,
1471         convert_to_eh_region_ranges): Likewise.
1472         * explow.c (optimize_save_area_alloca): Likewise.
1473         * expr.c (expand_expr_real): Likewise.
1474         * final.c (insn_current_reference_address, compute_alignments,
1475         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
1476         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
1477         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
1478         propagate_block_delete_insn, propagate_one_insn,
1479         init_propagate_block_info, propagate_block, libcall_dead_p,
1480         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
1481         Likewise.
1482         * function.c (instantiate_virtual_regs, reorder_blocks_1,
1483         expand_function_start, expand_function_end, contains,
1484         thread_prologue_and_epilogue_insns,
1485         reposition_prologue_and_epilogue_notes): Likewise.
1486         * gcse.c (constprop_register, bypass_conditional_jumps,
1487         insert_insn_end_bb, gcse_after_reload): Likewise.
1488         * genemit.c (gen_expand, gen_split): Likewise.
1489         * genpeep.c (gen_peephole, main): Likewise.
1490         * global.c (build_insn_chain): Likewise.
1491         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
1492         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
1493         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
1494         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
1495         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
1496         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
1497         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
1498         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
1499         dead_or_predicable): Likewise.
1500         * integrate.c (try_constants): Likewise.
1501         * jump.c (rebuild_jump_labels, cleanup_barriers,
1502         purge_line_number_notes, init_label_info, mark_all_labels,
1503         squeeze_notes, get_label_before, get_label_after,
1504         reversed_comparison_code_parts, simplejump_p, pc_set,
1505         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
1506         delete_barrier, delete_prior_computation, delete_computation,
1507         delete_related_insns, delete_for_peephole, redirect_jump):
1508         Likewise.
1509         * lcm.c (optimize_mode_switching): Likewise.
1510         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
1511         Likewise.
1512         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
1513         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
1514         * loop-iv.c (simplify_using_assignment): Likewise.
1515         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
1516         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
1517         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
1518         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
1519         check_insn_for_givs, check_final_value, update_giv_derive,
1520         basic_induction_var, product_cheap_p, check_dbra_loop,
1521         loop_insn_first_p, last_use_this_basic_block,
1522         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
1523         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
1524         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
1525         sms_schedule_by_order): Likewise.
1526         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
1527         * postreload.c (reload_cse_simplify_operands, reload_combine,
1528         reload_cse_move2add): Likewise.
1529         * predict.c (can_predict_insn_p, estimate_probability,
1530         expected_value_to_br_prob, process_note_predictions): Likewise.
1531         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
1532         * profile.c (branch_prob): Likewise.
1533         * ra-build.c (live_out_1, livethrough_conflicts_bb,
1534         detect_webs_set_in_cond_jump): Likewise.
1535         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
1536         ra_print_rtl_with_bb): Likewise.
1537         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
1538         * recog.c (next_insn_tests_no_inequality, find_single_use,
1539         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
1540         * reg-stack.c (next_flags_user, record_label_references,
1541         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
1542         compensate_edge, convert_regs_1): Likewise.
1543         * regclass.c (scan_one_insn): Likewise.
1544         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1545         regmove_optimize, fixup_match_1, single_set_for_csa,
1546         combine_stack_adjustments_for_block): Likewise.
1547         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
1548         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
1549         find_equiv_reg): Likewise.
1550         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
1551         reload_as_needed, emit_input_reload_insns, do_output_reload,
1552         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
1553         Likewise.
1554         * reorg.c (find_end_label, emit_delay_sequence,
1555         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
1556         get_jump_flags, rare_destination, mostly_true_jump,
1557         try_merge_delay_insns, redundant_insn, own_thread_p,
1558         fill_simple_delay_slots, fill_slots_from_thread,
1559         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
1560         dbr_schedule): Likewise.
1561         * resource.c (find_basic_block, next_insn_no_annul,
1562         find_dead_or_set_registers, mark_target_live_regs): Likewise.
1563         * rtl.h (RTX_PREV): Likewise.
1564         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
1565         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
1566         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
1567         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
1568         tablejump_p, computed_jump_p, insns_safe_to_move_p,
1569         find_first_parameter_load, can_hoist_insn_p): Likewise.
1570         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
1571         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
1572         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
1573         schedule_ebbs): Likewise.
1574         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
1575         is_conditionally_protected, can_schedule_ready_p,
1576         add_branch_dependences, debug_dependencies): Likewise.
1577         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
1578         Likewise.
1579         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
1580         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
1581         set_dominates_use, ujump_to_loop_cont): Likewise.
1582         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
1583         * varasm.c (output_constant_pool_1): Likewise.
1585 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1587         * tree-scalar-evolution.c: New file.
1588         * tree-scalar-evolution.h: New file.
1589         * tree-ssa-loop-niter.c: New file.
1590         * Makefile.in (SCEV_H): New.
1591         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
1592         * cfgloop.h (struct loop): Add bounds field.
1593         * tree-flow.h (struct tree_niter_desc): New type.
1594         (number_of_iterations_cond, number_of_iterations_exit,
1595         loop_niter_by_eval, find_loop_niter_by_eval,
1596         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
1597         free_numbers_of_iterations_estimates): Declare.
1598         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
1599         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
1600         * doc/invoke.texi (max-iterations-to-track): Document.
1602 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1604         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
1605         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
1606         (MODE_AFTER): Add cast appropriately.
1607         * config/sh/sh.md (movdi splitter): Likewise.
1608         (casesi_worker_2): Add const qualifier appropriately.
1609         (eh_return): Remove unused variable.
1610         (insv): Initialize v;
1612 2004-07-08  Richard Henderson  <rth@redhat.com>
1614         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
1615         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1616         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
1617         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
1618         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
1620         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
1621         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1622         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
1623         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
1625         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
1626         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1627         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
1628         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
1630         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
1631         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1632         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
1633         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
1635         * config/i860/i860-protos.h (i860_va_arg): Remove.
1636         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1637         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
1638         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
1640 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1642         * system.h: Prototype getpagesize if missing.
1643         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
1644         * configure: Regenerate.
1645         * config.in: Regenerate.
1647 2004-07-08  Richard Henderson  <rth@redhat.com>
1649         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
1650         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1651         (fr30_gimplify_va_arg_expr): New.
1652         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
1653         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
1655 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
1657         PR target/16414
1658         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
1659         of asm_noperands result.
1661 2004-07-08  Richard Henderson  <rth@redhat.com>
1663         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
1664         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1665         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
1666         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
1668 2004-07-08  Richard Henderson  <rth@redhat.com>
1670         * builtins.c (ind_gimplify_va_arg_expr): New.
1671         * tree.h (ind_gimplify_va_arg_expr): Declare.
1672         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
1674 2004-07-08  Jan Beulich  <jbeulich@novell.com>
1676         * expmed.c (extract_bit_field): Correct condition to use vec_extract
1677         patterns also on vector elements other than the first one.
1678         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
1679         break statements.
1681 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
1683         * config/rs6000/darwin-ldouble.c: Correct reference
1684         to the Linnainmaa paper.
1686 2004-07-08  Richard Henderson  <rth@redhat.com>
1688         * config/arc/arc-protos.h (arc_va_arg): Remove.
1689         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1690         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
1691         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
1693         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
1694         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1695         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
1696         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
1698 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1700         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
1702 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
1704         * c-decl.c (static_ctors, static_dtors): Make static.
1705         (pop_file_scope): Call c_common_write_pch and
1706         cgraph_finalize_compilation_unit here.
1707         (build_cdtor): Moved here from c-objc-common.c; simplify.
1708         (c_write_global_declarations_1): Clarify comment.
1709         (c_write_global_declarations): Close the external scope before
1710         doing anything else.  Call build_cdtor, cgraph_optimize, and
1711         mudflap_finish_file here.
1712         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
1713         Clarify comment.
1714         * c-objc-common.c: No need to include cgraph.h.
1715         (build_cdtor): Moved to c-decl.c.
1716         (c_objc_common_finish_file): Delete.
1717         * c-tree.h: Update to match.
1718         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
1719         (generate_static_references): Set TREE_USED before calling finish_decl.
1720         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
1721         on the static_instances_decl.
1723 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
1725         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
1726         decls when there is only one input translation unit.
1727         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
1728         change of 2004-07-05; do not treat declarations with
1729         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
1730         * opts.c (cur_in_fname): Delete.
1731         * opts.h: Likewise.
1732         * tree.c: Revert changes of 2004-07-05; no special treatment
1733         for TRANSLATION_UNIT_DECLs.
1734         * Makefile.in (tree.o): Update dependencies.
1736 2004-07-08  Roger Sayle  <roger@eyesopen.com>
1738         * builtins.c (fold_builtin_strcpy): Merge functionality from
1739         simplify_builtin_strcpy.  Add additional len argument.  No longer
1740         static.  Remove function prototype.
1741         (fold_builtin_strncpy): Likewise integrate functionality from
1742         simplify_builtin_strncpy.  Add additional slen argument.  No
1743         longer static.  Remove function prototype.
1744         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
1745         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
1746         types of "ignore" and "unlocked" parameters to bool.
1747         (fold_builtin_1):  Add additional ignore argument.  Call renamed
1748         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
1749         builtins.  Update arguments to fold_builtin_strncpy and
1750         fold_builtin_strcpy.  Add function prototype.
1751         (fold_builtin): Add additional Boolean ignore argument to pass
1752         to fold_builtin_1.
1753         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
1754         and fold_builtin_strncpy instead of simplify_builtin_fputs,
1755         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
1757         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
1758         simplify_builtin_strncpy): Delete function prototypes.
1759         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
1760         fold_builtin_strncpy): Add function prototypes here.
1761         (fold_builtin): Update function prototype with new "bool ignore".
1763         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
1764         (ccp_fold_builtin):  Update call to fold_builtin.  Call
1765         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
1766         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
1767         simplify_builtin_strncpy respectively.
1768         * fold-const.c (fold): Update call to fold_builtin.
1770 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
1772         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
1773         to strcpy.
1775         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
1776         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
1777         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
1778         * calls.c: Remove ifdefs of macros above.
1779         * functions.c: Likewise.
1780         * expr.c: Likewise.
1782 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1784         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
1785         (arch attribute): Delete.
1786         (current_function_calls_alloca attribute): Rename into calls_alloca.
1787         (calls_eh_return): New attribute.
1788         (leaf_function): Likewise.
1789         (length attribute): Fix formula for sibcalls.
1790         (return insn): Correctly compute the 'length' attribute.
1791         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
1793 2004-07-08  Richard Henderson  <rth@redhat.com>
1795         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
1796         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
1797         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
1798         * tree-eh.c (lower_eh_constructs_1): Likewise.
1799         * tree-sra.c (sra_walk_modify_expr): Likewise.
1800         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
1801         (eliminate_unnecessary_stmts): Likewise.
1802         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
1803         * tree-tailcall.c (optimize_tail_call): Likewise.
1804         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
1806 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1807             Jakub Jelinek  <jakub@redhat.com>
1809         * config/i386/i386.c (override_options): Enable
1810         SSE prefetches with -mtune, as long as we are
1811         compiling for i686 or higher.  All i686 processors
1812         accept SSE prefetches as NOPS, some i586's don't.
1814 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1816         PR target/10567
1817         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
1819 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
1821         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
1822         the handling of clobbering ASM_EXPRs.
1824 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1826         PR target/16430
1827         * config/sparc/sparc.c (function_value): In 64-bit mode,
1828         return the aggregates larger than 16 bytes like unions.
1830 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1832         PR target/16199
1833         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
1834         'temp' is zero, generate new pseudos as needed and emit the
1835         sequence of insns in single-assignment form.  Resync comments
1836         with code.
1837         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
1838         function before reload.
1840 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
1842         * vec.c (vec_assert_fail): Remove duplicate 'function'.
1844         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
1846         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
1847         Allocation is signed.
1848         (VEC_reserve): Return flag, allocation is signed.
1850 2004-07-08  Richard Henderson  <rth@redhat.com>
1852         * tree-ssa-ccp.c (fold_stmt): Get type directly from
1853         OBJ_TYPE_REF_OBJECT.
1855 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
1856             Neil Booth  <neil@daikokuya.co.uk>
1858         PR c/2511
1859         PR c/3325
1860         * c-decl.c (finish_struct): Ensure bit-fields are given the
1861         correct type.
1862         * c-common.c (c_common_signed_or_unsigned_type): For C, require
1863         the precision to match as well as the mode.
1864         * expr.c (reduce_to_bit_field_precision): New function.
1865         (expand_expr_real_1): Reduce expressions of bit-field type to
1866         proper precision.
1867         * langhooks.h (reduce_bit_field_operations): New hook.
1868         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1869         Define.
1870         * c-lang.c, objc/objc-lang.c
1871         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
1872         * objc/objc-act.c (check_ivars): Convert types to bit-field types
1873         before checking.
1874         * tree.c (build_nonstandard_integer_type): New function.
1875         * tree.h (build_nonstandard_integer_type): New prototype.
1876         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
1877         conversions between integer and boolean types as useless.
1879 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1881         * c-common.c (c_common_nodes_and_builtins): Do not
1882         create __builtin_ptrdiff_t and __builtin_size_t.
1884 2004-07-08  Andrew Pinski  <apinski@apple.com>
1886         * Makefile.in (libbackend.o): Add -combine to the gcc
1887         command line.
1889 2004-07-08  Nick Clifton  <nickc@redhat.com>
1891         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
1892         Set to -Os.
1894 2004-07-08  Richard Henderson  <rth@redhat.com>
1896         * except.c (expand_eh_region_start, expand_eh_region_end,
1897         expand_eh_handler, expand_eh_region_end_cleanup,
1898         expand_start_all_catch, expand_start_catch, expand_end_catch,
1899         expand_end_all_catch, expand_eh_region_end_allowed,
1900         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
1901         expand_eh_region_end_fixup): Remove.
1902         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
1903         cleanups, outer_cleanups, label_chain, exception_region.
1904         (struct goto_fixup): Remove stack_level, cleanup_list_list.
1905         (struct label_chain): Remove.
1906         (struct stmt_status): Remove x_stack_block_stack.
1907         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
1908         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
1909         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
1910         end_cleanup_deferral, last_cleanup_this_contour,
1911         containing_blocks_have_cleanups_or_stack_level,
1912         any_pending_cleanups): Remove.
1913         (expand_null_return_1): Take no arguments.
1914         (expand_label, expand_naked_return, expand_return,
1915         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
1916         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
1917         expand_end_case_type): Don't use any of them.
1918         * calls.c (expand_call): Likewise.
1919         * dojump.c (do_jump): Likewise.
1920         * function.c (expand_function_end): Likewise.
1921         * expr.c (store_expr, expand_expr_real_1): Likewise.
1922         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
1923         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
1924         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
1925         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
1926         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
1927         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
1928         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
1929         for WITH_CLEANUP_EXPR.
1930         (gimple_push_cleanup): Likewise.
1931         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
1932         * print-tree.c (print_node): Likewise.
1933         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
1934         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
1935         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
1936         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
1937         (GOTO_SUBROUTINE_EXPR): Remove.
1938         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
1939         (DECL_TOO_LATE): Remove.
1940         * except.h, tree.h: Update decls.
1942 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1944         * explow.c (optimize_save_area_alloca): Do not accept parameters.
1945         * passes.c (rest_of_handle_final): Handle symout.
1946         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
1947         Push timevar here.
1948         (rest_of_handle_sched): Break out SMS.  Remove ifs for
1949         flag_schedule_insns and flag_modulo_sched.
1950         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
1951         collect at the end.
1952         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
1953         (rest_of_handle_partition_blocks, rest_of_handle_sms,
1954         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
1955         rest_of_handle_mode_switching, rest_of_handle_jump,
1956         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
1957         rest_of_handle_jump2, rest_of_handle_postreload,
1958         rest_of_handle_flow2, rest_of_clean_state,
1959         rest_of_handle_shorten_branches,
1960         rest_of_handle_prologue_epilogue,
1961         rest_of_handle_branch_target_load_optimize): New.
1962         (rest_of_compilation): Call the above.  Remove ggc_collect
1963         calls moved to rest_of_handle_*.
1964         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
1966         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
1967         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
1968         * except.h (set_nothrow_function_flags): Update comment.
1969         * function.c (current_function_nothrow): Remove.
1970         * output.h (current_function_nothrow): Remove.
1971         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
1972         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
1974 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1976         PR bootstrap/16326
1977         * reorg.c: Revert 2004-06-30 change.
1978         (find_end_label): If HAVE_epilogue and !HAVE_return,
1979         return 0 instead of creating a label at the end of the insn chain.
1980         (optimize_skip): Account for the failure mode of find_end_label.
1981         (fill_simple_delay_slots): Likewise.
1982         (fill_slots_from_thread): Likewise.
1983         (relax_delay_slots): Likewise.
1985 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
1987         * tree-flow.h (addressable_vars): Declare.
1988         * tree-ssa-alias.c (addressable_vars): Define.
1989         (setup_pointers_and_addressables): Add addressable variables
1990         to addressable_vars.
1991         * tree-ssa-operands.c (get_stmt_operands): Move
1992         handling of ASM_EXPRs ...
1993         (get_asm_expr_operands): ... here.
1994         When the ASM_EXPR clobbers memory, also clobber addressable
1995         variables.
1996         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
1997         (delete_tree_ssa): Reset addressable_vars.
1999 2004-07-07  Jan Beulich  <jbeulich@novell.com>
2000             Richard Henderson  <rth@redhat.com>
2002         * varasm.c (assemble_variable): Use assemble_zeros for
2003         zero-initialized variables.
2004         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
2005         for SECCAT_BSS and SECCAT_TBSS.
2007 2004-07-07  Jan Beulich  <jbeulich@novell.com>
2009         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
2011         * expmed.c (emit_store_flag): Also special-case double-word
2012         (in-)equality comparison against -1.
2014         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
2015         passing arguments the containers for which are registers.
2017         * calls.c (emit_library_call_value_1): Use mode of function parameter
2018         rather than that of argument since constants have none.
2020 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
2022         Introduce H8SX support.
2023         * expr.c (expand_strcpy): Renamed and moved to...
2024         * builtins.c (expand_movstr): ... here.  Tweak.
2025         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
2026         computed or has side effects.
2027         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
2028         unused, or if mempcpy fails.  Adjust the return value in the
2029         latter case.  Use movstr if everything else fails.
2030         * doc/md.texi (movstr): Document.
2031         (movmemM, clrmemM): Fix explanation of memory block operands.
2032         * config/h8300/h8300.md (stpcpy): Renamed to...
2033         (movstr): ... this.  Adjust.
2034         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2035         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
2036         movmem* and clrstr* to clrmem*.
2037         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
2038         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
2039         GENERAL_REGS, always.
2040         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
2041         getting the stack pointer as addr.
2042         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
2043         from general_operand_dst.
2044         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
2045         variant of...
2046         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
2047         instead of requiring it to match only before reload.
2048         (stpcpy_internal_normal): New, normal-mode variant of...
2049         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
2050         `D' instead of requiring it to match only before reload.
2051         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
2052         mode argument.
2053         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
2054         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
2055         h8300_get_index.
2056         * config/h8300/h8300.md (attr type): Add call.
2057         (attr can_delay): If type is call, set it no.
2058         (call, call_value): Set type to call.
2059         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
2060         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
2061         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
2062         * tree.c (get_narrower): Don't narrow integral types into
2063         non-integral types.
2064         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
2065         frame_size *before* the first use.
2066         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
2067         on input.
2068         (peephole2): Don't widen instructions that push SP.  Move
2069         decrement of SP to the end of all stm-generating peepholes.
2070         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
2071         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
2072         and OR to set it to all ones.
2073         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
2074         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
2075         (call, call_value): Set can_delay to "no".
2076         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
2077         * config/h8300/h8300.md (extzv): Make subreg check more robust.
2078         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2079         * config/h8300/h8300.md (*brabit): Remove.
2080         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
2081         zero_extract.  Use bit_memory_operand as the predicate for
2082         operand 1 and 'WU' as the constraint.  Check the difference
2083         between the base length and the final one when deciding which
2084         type of branch to use.
2085         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2086         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
2087         Use convert_move to extend the result for TARGET_H8300SX.  Check
2088         for QImode memory references.  Optimize the case where the
2089         destination is a paradoxical subreg.
2090         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2091         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
2092         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
2093         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2094         * config/h8300/h8300.md: Include mova.md
2095         (length_table): Add mova and mova_zero.
2096         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
2097         after all constant addresses for '%R', '%X', '%T' and '%S'.
2098         (h8300_mova_length): New function.
2099         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
2100         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
2101         dependencies for s-config, etc.
2102         * config/h8300/gemova.sh: New file.
2103         * config/h8300/mova.md: Generated.
2104         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
2105         * config/h8300/h8300.c (h8300_bitfield_length): New.
2106         (nibble_operand): Adjust.
2107         (h8300_binary_length): Handle conditional binary op.
2108         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
2109         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
2110         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
2111         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
2112         constraints.  WU is introduced as a variant of U that requires a
2113         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
2114         * config/h8300/h8300.md (attr type): Added bitbranch.
2115         (attr length_table): Added bitfield and bitbranch.
2116         (attr length): Compute bitbranch length.
2117         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
2118         least-significant bit of a byte.
2119         (brabit, brabc, brabs): New.
2120         (insv, extzv): Emit bfst and bfld on H8300SX.
2121         (bfld, bfst, seq, sne): New.
2122         (bstzhireg, cmpstz, bstz, bistz): New.
2123         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
2124         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
2125         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
2126         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
2127         (h8sx_unary_memory_operator): New function.
2128         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
2129         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
2130         * config/h8300/h8300.md: Add peepholes to combine reloads and
2131         arithmetic insns.
2132         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
2133         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
2134         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
2135         (and?i, ior?i, xor?i): Likewise.
2136         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
2137         * config/h8300/h8300.c: Move enums and prototypes to head of file.
2138         Various whitespace fixes.
2139         (h8300_constant_length): New function, split out from...
2140         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
2141         (h8300_classify_operand): Use IN_RANGE.
2142         (h8300_classify_operand): Use h8300_constant_length.
2143         (h8300_short_move_mem_p): Tighten size check.
2144         (h8sx_mergeable_memrefs_p): Tighten equality check.
2145         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
2146         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
2147         for -msx.
2148         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
2149         * config/h8300/crtn.asm: Likewise.
2150         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
2151         if __H8300SX__ is defined.
2152         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
2153         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
2154         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
2155         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
2156         addresses as mode-dependent.
2157         * config/h8300/h8300.c (print_operand_address): Update call to
2158         h8300_get_index.
2159         (h8300_get_index): Take a mode argument.  Rework to fix an
2160         earlier misunderstanding.
2161         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
2162         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
2163         into a register if TARGET_H8300SX.
2164         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
2165         TARGET_H8300SX.  Also disable related define_splits.
2166         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
2167         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
2168         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
2169         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
2170         * config/h8300/h8300.h (OK_FOR_Z): New macro.
2171         (EXTRA_CONSTRAINT_STR): Check it.
2172         * config/h8300/h8300.c (h8300_classify_operand): Accept null
2173         class arguments.
2174         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
2175         * config/h8300/h8300.md (length_table): Add mov_imm4.
2176         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
2177         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
2178         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
2179         be a label.
2180         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
2181         * config/h8300/h8300.c (h8300_reorg): New function.
2182         (TARGET_MACHINE_DEPENDENT_REORG): Define.
2183         * config/h8300/h8300.md (length): Subtract the length of the
2184         delay slot from (pc) when checking the range of forward branches.
2185         (delay_slot, can_delay): New attributes.
2186         (define_delay): Add bra/s handling.
2187         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
2188         (jump): Add delayed-branch handling.
2189         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
2190         * expr.c (expand_strcpy): New function.
2191         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
2192         (expand_builtin_stpcpy): Likewise.
2193         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
2194         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
2195         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
2196         handling to improve register allocation for -fno-omit-frame-pointer.
2197         (h8sx_split_movmd): Delete, moving er6 handling into...
2198         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
2199         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
2200         (movmd): Add calls to copy_rtx.
2201         (movmd_internal): In the second alternative, allow the initial and
2202         final destination registers to be different .  Update the splitter
2203         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
2204         instead of h8sx_split_movmd.
2205         (stpcpy, movsd): New expanders.
2206         (movsd_internal): New define_insn.
2207         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
2208         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
2209         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
2210         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
2211         and DESTINATION_REGS.
2212         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
2213         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
2214         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
2215         (h8300_move_ratio): Declare.
2216         (MOVE_RATIO): Use it.
2217         * config/h8300/h8300.c (h8300_move_ratio): New variable.
2218         (h8300_init_once): Initialize it.
2219         (h8300_reg_class_from_letter): New function.
2220         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
2221         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
2222         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
2223         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
2224         (movstrsi, movmd): New expanders.
2225         (movmd_internal): New insn.
2226         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
2227         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
2228         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
2229         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
2230         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
2231         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2232         * config/h8300/h8300.c (nibble_operand): Fix warning.
2233         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
2234         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
2235         (movsf_h8300h): Disable for TARGET_H8300SX.
2236         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2237         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
2238         h8300_stm_parallel and h8300_return_parallel.
2239         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
2240         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
2241         h8300_stm_parallel, h8300_return_parallel): New functions.
2242         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
2243         if TARGET_H8300SX.  Use h8300_push_pop.
2244         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
2245         and final pop when generating h8sx code.  Always emit some form
2246         of return insn.
2247         * config/h8300/h8300.md: Don't enforce register alignment in
2248         stm peepholes if TARGET_H8300SX.
2249         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
2250         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
2251         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
2252         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2253         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
2254         (MULTILIB_DIRNAMES): Add a directory for it.
2255         (MULTILIB_MATCHES): Delete.
2256         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2257         * final.c (walk_alter_subreg): Handle addresses with subregs
2258         inside a ZERO_EXTEND or AND.
2259         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
2260         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
2261         if TARGET_H8300SX.
2262         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
2263         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
2264         @(dd,Rn.w) and @(dd,ERn.L).
2265         (h8300_displacement_size): Take the whole address as argument.
2266         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
2267         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2268         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
2269         (h8sx_mergeable_memrefs_p): Declare.
2270         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
2271         (HAVE_PRE_INCREMENT): Likewise.
2272         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
2273         addresses for TARGET_H8300SX,
2274         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
2275         and POST_DEC.
2276         (movb_length_table, movl_length_table): New tables.
2277         (movw_length_table): Define to movb_length_table.
2278         (h8300_displacement_size): New, split out from...
2279         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
2280         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
2281         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
2282         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
2283         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
2284         (compute_plussi_length, compute_plussi_cc): Update accordingly.
2285         (h8sx_unary_shift_operator): Get the mode from the operator.
2286         (binary_shift_operator): Likewise.
2287         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
2288         a memory reference, check whether the reference is offsettable.
2289         (length_table): Add movb, movw and movl.
2290         (movqi): Add new h8sx pattern.  Don't force one operand to be a
2291         register when generating h8sx code.
2292         (movhi, movsi, movsf): Likewise.
2293         (movstrictqi): Use the length_table attribute.
2294         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
2295         (addqi3): Split into a define_expand and define_insn.  Don't accept
2296         memory operands in the expander.  Use h8300_operands_match_p to
2297         check for matching operands in the define_insn.
2298         (subqi3, negqi2, one_cmplqi2): Likewise.
2299         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
2300         in any patterns that are unused in h8sx code.  In the h8sx patterns,
2301         use h8300_operands_match_p to check whether operands match.
2302         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
2303         one_cmpl[hs]i3): Likewise.
2304         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
2305         in the expander.
2306         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
2307         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
2308         (h8300_insn_length_from_table): Add a second parameter.
2309         (output_h8sx_shift): Declare.
2310         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
2311         (EXTRA_CONSTRAINT): Replace with...
2312         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
2313         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
2314         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
2315         and h8sx_binary_shift_operator.
2316         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
2317         for TARGET_H8300SX.
2318         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
2319         (bit_memory_operand, fix_bit_operand): Likewise.
2320         (h8300_length_table_for_insn): Remove.
2321         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
2322         instructions.
2323         (h8300_short_immediate_length, h8300_binary_length): New functions.
2324         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
2325         (output_plussi): Use sub to add negative constants.
2326         (compute_plussi_length): Adjust accordingly.
2327         (h8sx_single_shift_type): New enum.
2328         (h8sx_single_shift, h8sx_unary_shift_operator,
2329         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
2330         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
2331         single h8sx instruction.  Return false in this case.
2332         * config/h8300/h8300.md (length_table): Add short_immediate.
2333         (length): Pass the operand array to h8300_insn_length_from_table.
2334         (adjust_length): Assume "no" for insns with a length_table attribute.
2335         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
2336         (*addhi3_h8300hs): Don't use for h8sx.
2337         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
2338         and sub.w #xx:3.
2339         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
2340         1's predicate to nonimmediate_operand.  Only skip default expansion
2341         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
2342         for single h8sx shift instructions.
2343         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
2344         * config/h8300/h8300.c (nibble_operand): Split out of...
2345         (reg_or_nibble_operand): ... this.
2346         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
2347         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
2348         umulhisi3): Introduce expand, and introduce separate insns for
2349         sign- or zero-extended REG and already-extended CONST_INT.
2350         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
2351         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
2352         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
2353         (subhi3): Likewise.  Don't accept immediates for operand 1.
2354         Remove the early clobber from second alternative of the h8300s pattern.
2355         (subsi3): Generalize for h8sx.  Force operand 2 into a register
2356         on plain h8300 targets.
2357         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
2358         (subsi3_h8300h): Generalize for h8sx.
2359         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
2360         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
2361         * config/h8300/h8300.c (reg_or_nibble_operand): New.
2362         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
2363         (TARGET_H8300SXMUL): New.
2364         (CONST_OK_FOR_P): New.
2365         (CONST_OK_FOR_LETTER_P): Adjust.
2366         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
2367         umulhisi3): Accept 4-bit immediate on H8SX.
2368         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
2369         (udivsi3, divhi3, udivsi3, divsi3): New.
2370         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
2371         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
2372         * config/h8300/h8300.h (OK_FOR_Q): New macro.
2373         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
2374         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
2375         Add ADDRESSOF to the bit_operand entry.
2376         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
2377         (h8300_src_operand): Likewise.
2378         (bit_operand): Check nonimmediate_operand rather than general_operand.
2379         Accept any nonimmediate_operand in h8sx code.
2380         (h8300_and_costs): Initialize operands[1].
2381         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
2382         (h8300_operand_class): New enum.
2383         (h8300_length_table): New typedef.
2384         (addb_length_table, addw_length_table, addl_length_table,
2385         logicl_length_table): New tables.
2386         (logicb_length_table, logicw_length_table): New macros.
2387         (h8300_classify_operand, h8300_length_from_table,
2388         h8300_length_table_for_insn, h8300_unary_length,
2389         h8300_insn_length_from_table): New functions.
2390         (output_plussi): Only use adds and subs for register destinations.
2391         Disable redundant clause.
2392         (compute_plussi_cc): Likewise.
2393         (compute_plussi_length): Likewise.  Use h8300_length_from_table
2394         to work out the length of an insn.
2395         (output_logical_op): Only use narrower immediate instructions
2396         if the destination is a register.
2397         (compute_logical_op_cc): Likewise.
2398         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
2399         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
2400         * config/h8300/h8300.md (length_table): New attribute.
2401         (length): When an instruction has a length_table attribute, use
2402         h8300_insn_length_from_table to calculate its default length.
2403         (cmpqi): Use h8300_dst_operand for the first operand and
2404         h8300_src_operand for the second.
2405         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
2406         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
2407         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
2408         iorsi3, xorhi3, xorsi3): Likewise.
2409         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
2410         so that it allows any combination of operands for TARGET_H8300SX.
2411         (iorqi3, xorqi3): Likewise.
2412         (cmpqi): Use the length_table attribute.
2413         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
2414         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
2415         (cmpqi): Add 'Q' constraint.
2416         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
2417         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
2418         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
2419         * config/h8300/h8300.h (MASK_H8300SX): New macro.
2420         (TARGET_H8300S): True for both -ms and -msx.
2421         (TARGET_H8300SX): New macro.
2422         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
2423         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
2424         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
2425         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
2426         [Temporary change.]
2427         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
2428         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
2429         16-bit pointers and 32-bit ints.
2430         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
2431         CONST_DOUBLE with mode no wider than SImode.
2432         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
2433         output operand.
2434         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
2435         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
2436         or SUBREG thereof.
2437         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
2438         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
2439         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
2441 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2443         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
2445 2004-07-07  Per Bothner  <per@bothner.com>
2447         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
2449 2004-07-07  Mike Stump  <mrs@apple.com>
2451         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
2452         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
2453         (machopic_finish): Likewise.
2455 2004-07-07  Richard Henderson  <rth@redhat.com>
2457         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
2458         through any value-preserving cast.
2460 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2462         * function.c (assign_parm_find_data_types): Call
2463         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
2465 2004-07-07  Steven Bosscher  <stevenb@suse.de>
2467         * tree-cfg.c (group_case_labels): Remove case labels that have
2468         the same target as the default case.
2470 2004-07-07  Steven Bosscher  <stevenb@suse.de>
2472         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
2473         regardless of DECL_LANG_SPECIFIC being present or not.
2474         * tree.h (DECL_NUM_STMTS): Purge.
2476 2004-07-07  Andrew Pinski  <apinski@apple.com>
2478         * configure: Regenerate with the right autoconf.
2480 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
2482         * ifcvt.c (total_bb_rtx_cost): New function.
2483         (find_if_case_1): Compare rtx_cost of basic block to cost of
2484         BRANCH_COST insns.
2485         (find_if_case_2): Same.
2487 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2489         PR target/10567
2490         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
2491         (output_return): Likewise.
2492         (output_sibcall): Abort if !flag_delayed_branch.
2493         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
2494         (emit_and_preserve): New function.
2495         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
2496         indirect jump to the thunked-to function if !flag_delayed_branch.
2497         * config/sparc/sparc.md (delayed_branch): New attribute.
2498         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
2499         attribute to compute the length of the insn.
2500         (goto_handler_and_restore): Likewise.
2502 2004-07-07  Andrew Pinski  <apinski@apple.com>
2504         PR tree-optimization/15777
2505         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
2507         * expr.c (expand_expr_real_1): Fix formating.
2508         BUFFER_REF and IN_EXPR are dead.
2509         * fold-const.c (non_lvalue): BUFFER_REF is dead.
2510         * tree-inline.c (estimate_num_insns_1): Likewise.
2511         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
2512         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
2513         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
2515 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
2517         * collect2.c (dump_file): Don't call cplus_demangle if
2518         HAVE_LD_DEMANGLE is defined.
2519         (main): Pass "--demangle" to ld if no_demangle is not 0 and
2520         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
2521         if HAVE_LD_DEMANGLE is defined.
2523         * configure.ac (--with-demangler-in-ld): Added
2524         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
2525         --with-demangler-in-ld is used.
2526         * config.in: Regenerated.
2527         * configure: Likewise.
2529 2004-07-07  Roger Sayle  <roger@eyesopen.com>
2531         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
2532         for simple floating point operations "fp", double precision
2533         multiplication "dmul", and single and double precision division
2534         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
2535         (ppc630_cost): New table split from ppc620_cost, to distinguish
2536         differences in floating point latencies.
2537         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
2538         (rs6000_rtx_costs): Add support for single and double precision
2539         floating point addition, subtraction, multiplication, division,
2540         fused-multiply-add, fused-multiply-sub, negation, absolute value
2541         and negative absolute value.  Tweak MEM case to use prefered idiom.
2543 2004-07-07  Richard Henderson  <rth@redhat.com>
2545         * tree-flow-inline.h (may_propagate_copy): Move...
2546         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
2547         attempt to copy between types requiring conversion.
2548         * tree-flow.h (may_propagate_copy): Update decl.
2549         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
2551 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
2553         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
2554         from -mtune= option.
2556 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2558         * builtins.c: Rename movstr*, except for movstrict*, to
2559         movmem* and clrstr* to clrmem*.
2560         * expr.c: Likewise.
2561         * expr.h: Likewise.
2562         * genopinit.c: Likewise.
2563         * integrate.c: Likewise.
2564         * local-alloc.c: Likewise.
2565         * optabs.c: Likewise.
2566         * optabs.h: Likewise.
2567         * config/alpha/alpha.h: Likewise.
2568         * config/alpha/alpha.md: Likewise.
2569         * config/arm/arm-protos.h: Likewise.
2570         * config/arm/arm.c: Likewise.
2571         * config/arm/arm.md: Likewise.
2572         * config/avr/avr.md: Likewise.
2573         * config/c4x/c4x.c: Likewise.
2574         * config/c4x/c4x.md: Likewise.
2575         * config/frv/frv.md: Likewise.
2576         * config/i386/i386-protos.h: Likewise.
2577         * config/i386/i386.c: Likewise.
2578         * config/i386/i386.h: Likewise.
2579         * config/i386/i386.md: Likewise.
2580         * config/i860/i860.c: Likewise.
2581         * config/i860/i860.md: Likewise.
2582         * config/ip2k/ip2k.md: Likewise.
2583         * config/ip2k/libgcc.S: Likewise.
2584         * config/ip2k/t-ip2k: Likewise.
2585         * config/m32r/m32r.c: Likewise.
2586         * config/m32r/m32r.md: Likewise.
2587         * config/mcore/mcore.md: Likewise.
2588         * config/mips/mips.c: Likewise.
2589         * config/mips/mips.md: Likewise.
2590         * config/ns32k/ns32k.c: Likewise.
2591         * config/ns32k/ns32k.h: Likewise.
2592         * config/ns32k/ns32k.md: Likewise.
2593         * config/pa/pa.c: Likewise.
2594         * config/pa/pa.md: Likewise.
2595         * config/pdp11/pdp11.h: Likewise.
2596         * config/pdp11/pdp11.md: Likewise.
2597         * config/rs6000/rs6000.c: Likewise.
2598         * config/rs6000/rs6000.md: Likewise.
2599         * config/s390/s390-protos.h: Likewise.
2600         * config/s390/s390.c: Likewise.
2601         * config/s390/s390.md: Likewise.
2602         * config/sh/lib1funcs.asm: Likewise.
2603         * config/sh/sh.c: Likewise.
2604         * config/sh/sh.md: Likewise.
2605         * config/sh/t-sh: Likewise.
2606         * config/sparc/sparc.h: Likewise.
2607         * config/vax/vax.md: Likewise.
2608         * config/xtensa/xtensa.c: Likewise.
2609         * config/xtensa/xtensa.md: Likewise.
2610         * doc/invoke.texi: Likewise.
2611         * doc/md.texi: Likewise.
2612         * doc/rtl.texi: Likewise.
2614 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
2616         PR target/16407
2617         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
2618         * config/mips/mips.c (mips_declare_common_object): New function,
2619         mostly split out from...
2620         (mips_output_aligned_decl_common): ...here.
2621         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
2622         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
2623         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
2624         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
2626 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2628         PR c/16392
2629         * function.c (assign_parms): Fix typo from previous change.
2631 2004-07-07  Jason Merrill  <jason@redhat.com>
2633         PR c++/15815
2634         * doc/extend.texi (C++ Interface): Correct information and
2635         discourage use.
2637 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
2639         PR target/16130
2640         PR target/16142
2641         PR target/16143
2642         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
2643         insn.
2645 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2647         PR target/1679.
2648         * config/m32r/m32r.c (m32r_function_symbol): New function:
2649         Generate a symbol name RTX with the correct m32r specific flags
2650         set.
2651         (block_move_call): Use new function to generate correct symbol.
2652         * config/m32r/m32r-protos.h: Add prototype for new funcion.
2653         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
2654         function.
2656 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
2658         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
2659         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
2660         TYPE_BINFO_BASETYPE): Remove.
2661         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
2662         to ...
2663         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
2664         here.
2665         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
2666         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
2667         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
2668         (struct tree_binfo): Rename base_types to base_binfos.
2669         * alias.c (record_component_aliases): Adjust BINFO macros.
2670         * dbxout.c (dbxout_type): Likewise.
2671         * dwarf2out.c (gen_member_die): Likewise.
2672         * sdbout.c (sdbout_one_type): Likewise.
2673         * tree-dump.c (deque_and_dump): Likewise.
2674         * config/i386/i386.c (classify_argument,
2675         contains_128bit_aligned_vector_p): Likewise.
2677 2004-07-07  Nick Clifton  <nickc@redhat.com>
2679         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
2680         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
2682 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
2684         * vec.h: Fix the example use.
2686 2004-07-06  Richard Henderson  <rth@redhat.com>
2688         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
2689         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
2690         * tree-inline.c (copy_body_r, setup_one_parameter,
2691         initialize_inlined_parameters, expand_call_inline,
2692         declare_inline_vars): Don't check it.
2693         (expand_calls_inline): Remove old version, rename new version
2694         from gimple_expand_calls_inline.
2695         * tree-optimize.c (execute_gimple): Remove.
2696         (pass_gimple): Don't run anything.
2698 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2700         * doc/sourcebuild.texi: Use semicolons instead of commas in
2701         section title.
2703 2004-07-06  Richard Henderson  <rth@redhat.com>
2705         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
2706         (sra_walk_modify_expr, scan_init): Likewise.
2707         (generate_element_zero): Check visited before scanning children.
2708         (generate_element_init): Set visited on error.
2709         (scalarize_init): Handle generate_element_init failure similar
2710         to use_block_copy.
2712 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2714         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
2715         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
2717 2004-07-06  Richard Henderson  <rth@redhat.com>
2719         * config/i386/i386.c (legitimize_pic_address): Make static.
2720         (legitimize_address): Handle CONST with TLS operand.
2721         (ix86_expand_move): Don't call legitimize_pic_address directly.
2722         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
2724 2004-07-06  Roger Sayle  <roger@eyesopen.com>
2726         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
2727         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
2728         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
2729         is currently executed unconditionally, i.e. not in "else_bb".
2731 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2733         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
2734         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2735         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
2736         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2737         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
2738         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2739         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
2740         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2741         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
2742         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2743         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
2744         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2745         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
2746         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2747         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
2748         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2750 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2752         * dojump.c (do_jump): REFERENCE_EXPR is dead.
2753         * expr.c (expand_expr_real_1): Ditto.
2754         * tree-inline.c (estimate_num_insns_1): Ditto.
2755         * tree-pretty-print.c (dump_generic_node): Ditto.
2756         (op_symbol): Ditto.
2757         * tree.def: Ditto.
2759 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2761         * tree-ssa-pre.c (reference_node_pool): New pool.
2762         (find_or_generate_expression): Class 'r' is okay too.
2763         (create_value_expr_from): Ditto.
2764         (add_to_sets): LHS should not include vuses.
2765         (eliminate): Ditto.
2766         (compute_avail): Reverse ordering of tests.
2767         Valuize INDIRECT_REF as well.
2769 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
2771         PR rtl-optimization/16380
2772         * loop.c (check_dbra_loop): Sink comparison instructions if they
2773         do something other than set cc0.
2775 2004-07-06  James E Wilson  <wilson@specifixinc.com>
2777         * doc/interface.texi (longjmp and automatic variables): Delete
2778         paragraph recommending taking the address of a variable.
2780 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2782         * vec.h (VEC_embedded_alloc): Remove.
2783         (VEC_embedded_size, VEC_embedded_init): New.
2784         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
2785         MEM_STAT_INFO.
2786         (VEC_truncate): New.
2787         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
2788         (vec_embedded_alloc): Remove.
2789         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
2790         (vec_embedded_alloc): Remove.
2792 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
2794         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
2795         (gt-langhooks.h): Remove.
2797 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
2799         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
2801 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
2803         * config/sparc/sparc.c (get_pc_symbol): Rename into
2804         add_pc_to_pic_symbol.
2805         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
2806         (load_pic_register): Account for previous changes.
2807         Use reg_names.  Don't create the label twice.
2808         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
2809         UNSPEC_LOAD_PCREL_SYM.
2810         (get_pc): Rename into load_pcrel_sym.  Add predicate to
2811         operands.  Remove condition.
2813 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2815         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
2816         RECORD, UNION & QUAL_UNION is actually a binfo.
2818         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
2819         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
2820         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
2821         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
2822         * dwarf2out.c (add_data_member_location_attribute): Likewise.
2823         (gen_inheritance_die): Likewise.
2824         * tree-dump.c (deque_and_dump): Likewise.
2825         * doc/c-tree.texi (Binfos): Add under reconstruction note.
2827 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2829         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2830         Define.
2831         * config/mcore/mcore.md: Model memory latency with a simple DFA
2832         pipeline description instead of a define_function_unit.
2834 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2836         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
2837         * langhooks.h (var_mod_type_p): Likewise.
2838         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
2839         * expr.c (count_type_elements): Properly handle return from
2840         array_type_nelts and properly test for overflow.
2841         * gimplify.c (gimplify_init_constructor): Properly handle return
2842         from array_type_nelts.
2843         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
2844         * integrate.c (copy_decl_for_inlining): Correct comments.
2845         * tree-inline.c (remap_decl): Update comments, remove dead code,
2846         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
2847         (remap_type): Only remap if variably modified by vars in function
2848         being inlined.
2849         (copy_body_r): Use compatible_type langhooks to see when can fold.
2850         (setup_one_parameter): Don't remap type.
2851         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
2852         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
2853         compute TREE_INVARIANT for decl case.
2854         (find_var_from_fn): New function.
2855         (variably_modified_type_p): Add arg and call new function.
2856         * tree.h (variably_modified_type_p): Add extra arg.
2858 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2860         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
2861         (goto_handler_and_restore_v9): Delete disabled insn.
2862         (goto_handler_and_restore_v9_sp64): Likewise.
2864 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2866         * calls.c (load_register_parameters): Call expand_shift instead
2867         of expand_binop with ashl_optab (or other shift optab) directly.
2868         * expr.c (emit_group_load, emit_group_store): Likewise.
2869         * function.c (assign_parm_setup_block): Likewise.
2870         * stmt.c (shift_return_value): Likewise.
2872 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
2874         * expr.c (expand_assignment): Disable the bitfield += optimizations.
2876 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2878         * doc/sourcebuild.texi: Revert previous patch.
2880 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2882         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
2883         TARGET_MEM_FUNCTIONS.
2884         * system.h: Poison TARGET_MEM_FUNCTIONS.
2885         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
2886         bcmp_libfunc, bzero_libfunc): Remove.
2887         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
2888         bzero_libfunc.
2889         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
2890         * doc/standards.texi: Don't mention calling BSD string functions.
2891         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
2892         * config/vax/t-memfuncs: New.
2893         * config/memcmp.c, config/memcpy.c, config/memmove.c,
2894         config/memset.c: New.
2895         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
2896         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
2897         vax/t-memfuncs.
2898         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
2899         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
2900         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
2901         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
2902         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
2903         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
2904         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
2905         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
2906         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
2907         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
2909 2004-07-05  Richard Henderson  <rth@redhat.com>
2911         * function.c (assign_parm_setup_reg): Properly rename variables in
2912         FUNCTION_ARG_CALLEE_COPIES section.
2914 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2916         * tree-mudflap.c: Include cgraph.h.
2917         (mf_init_extern_trees): Rename to mudflap_init.  Export.
2918         Rewrite to create synthetic declarations instead of looking
2919         up declarations from mf-runtime.h.
2920         (mf_make_builtin, mf_make_cache_struct_type): New functions.
2921         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
2922         Correct commentary.
2923         (execute_mudflap_function_decls, mudflap_register_call):
2924         Don't call mf_init_extern_trees.
2925         (mudflap_finish_file): Use cgraph_build_static_cdtor.
2927         * tree-mudflap.h: Update prototypes.
2928         * c-mudflap.c: Delete file.
2929         * c-common.c: Include tree-mudflap.h.
2930         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
2931         * Makefile.in: Remove all references to c-mudflap.o.
2932         Update dependencies.
2934 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2936         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
2937         displacements with the spatial-locality cache-control completer.
2939 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2941         * langhooks.c: Don't include gt-langhooks.h.
2942         (var_labelno): Delete.
2943         (lhd_set_decl_assembler_name): Do not append a distinguishing
2944         number to file-scope internal-linkage declarations for the first
2945         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
2946         the declaration itself (if at block scope), or its containing
2947         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
2948         number.
2950         * opts.c (cur_in_fname): New global.
2951         * opts.h: Declare it.
2952         * tree.c: Include opts.h.
2953         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
2954         DECL_UID equal to cur_in_fname.
2955         (copy_node_stat): Do not change DECL_UID when copying a
2956         TRANSLATION_UNIT_DECL.
2957         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
2958         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
2960         * c-decl.c (c_static_assembler_name): Delete.
2961         * c-tree.h (c_static_assembler_name): Delete prototype.
2962         * c-lang.c, objc/objc-lang.c: Don't override
2963         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
2965         * Makefile.in (tree.o): Update dependencies.
2966         (GTFILES): Remove langhooks.c.
2968 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2970         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
2971         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
2972         Normalize "X % C" as "X % -C" for signed modulus and negative C.
2973         Optimize "X % -Y" as "X % Y" for signed modulus.
2974         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
2975         into "((unsigned) X % Y) == 0".
2977 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2979         * sourcebuild.texi (Config Fragments): Use @comma{} in
2980         cross-reference to section title.
2982 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2984         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
2985         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
2986         (gimplify_target_expr, gimplify_expr): Likewise.
2987         (copy_if_shared_r): No longer need special case for BIND_EXPR.
2988         (unshare_body, unvisit_body): Only look at nested if BODY_P is
2989         whole function.
2990         (gimplify_compound_lval): See if we can strip any useless conversion.
2991         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
2992         from RHS, not LHS.
2993         (gimplify_modify_expr_to_memset): Likewise.
2994         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
2995         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
2996         (declare_inline_vars): Likewise.
2997         (walk_type_fields): New function.
2998         (walk_tree): Use it.
2999         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
3001         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
3002         (sra_walk_modify_expr): Allow init function to fail.
3003         (scan_init): Now returns bool.
3004         (generate_element_init): If can't understand INIT, return false.
3005         (scalarize_init): Return false if generate_element_init does.
3007         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
3008         print bounds.
3010         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
3011         bounds if bounds aren't constant.
3013         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
3015         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
3016         to type hooks; remove bogus PARAMS.
3018 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
3020         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
3021         * dwarf2out.c (add_data_member_location_attribute): Check for
3022         TREE_BINFO.
3023         * tree.c (tree_node_kinds): Add "binfos".
3024         (binfo_lang_slots): New.
3025         (make_node_stat): Add TREE_BINFO.
3026         (make_tree_binfo_stat): New.
3027         (tree_node_structure): Add TREE_BINFO.
3028         * tree.def (TREE_BINFO): New.
3029         * tree.h (REC_OR_UNION_CHECK): Rename to ...
3030         (RECORD_OR_UNION_CHECK): ... here.
3031         (NOT_RECORD_OR_UNION_CHECK): New.
3032         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
3033         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
3034         RECORD_OR_UNION_CHECK.
3035         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
3036         (TYPE_LANG_SLOT_1): New.
3037         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
3038         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
3039         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
3040         (BINFO_ELTS): Remove.
3041         (BINFO_LANG_SLOT): New.
3042         (struct tree_binfo): New.
3043         (binfo_lang_slots): Declare.
3044         (enum tree_node_structure_enum): Add TS_BINFO.
3045         (union tree_node): Add binfo.
3046         (make_tree_binfo_stat): Declare.
3047         (make_tree_binfo): New.
3048         (enum tree_node_kind): Add binfo_kind.
3050         * objc/objc-act.c (start_class, objc_declare_protocols,
3051         start_protocols): Use TYPE_LANG_SLOT_1.
3052         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
3053         to ...
3054         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
3055         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
3056         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
3057         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
3059 2004-07-05  Steven Bosscher  <stevenb@suse.de>
3061         * rtl.h (struct rtx_def): Remove the integrated flag.
3062         Use the return_val flag for MEM_SCALAR_P.
3063         Reshuffle and update flags in CLEAR_RTX_FLAGS.
3065 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
3067         PR target/16357
3068         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
3069         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
3070         move_by_pieces.
3072 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
3074         * var-tracking.c: Fix some comments.
3075         (frame_stack_adjust): New.
3076         (vt_stack_adjustments): Init stack_adjust of entry block to
3077         minus stack adjustment of function prologue.
3078         (adjust_stack_reference): Do not adjust if adjustment == 0.
3079         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
3080         (emit_notes_in_bb): Likewise.
3081         (vt_add_function_parameters): Do not adjust locations of
3082         function arguments.
3083         (vt_initialize): Compute the stack adjustment of function
3084         prologue and offset the initial "location" of frame_base_decl
3085         from the stack pointer after prologue.
3087 2004-07-04  Richard Henderson  <rth@redhat.com>
3089         * function.c (struct assign_parm_data_all): New.
3090         (struct assign_parm_data_one): New.
3091         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
3092         assign_parm_find_data_types, assign_parms_setup_varargs,
3093         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
3094         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
3095         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
3096         assign_parm_setup_block, assign_parm_setup_reg,
3097         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
3098         (assign_parms): ... here.
3100 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
3102         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
3103         now are bitmap_set_t's.
3104         (bitmap_insert_into_set): No point in inserting the value if
3105         it's invariant.
3106         (bitmap_set_contains): New function.
3107         (bitmap_set_replace_value): Add comment on why we do it
3108         this way.
3109         (set_contains): Removed.
3110         (bitmap_set_subtract_from_value_set): New name of
3111         set_subtract now that it's arguments are two different
3112         types of sets.
3113         Update callers.
3114         (bitmap_find_leader): Change algorithm used.
3115         (find_or_generate_expression): Update use of functions for new
3116         bitmap sets.
3117         (create_expression_by_pieces): Ditto.
3118         (insert_aux): Ditto.
3119         (insert): Ditto.
3120         (add_to_sets): Ditto.
3121         (init_pre): Ditto.
3122         (execute_pre): Ditto.
3123         (compute_avail): Ditto.
3124         Also ignore virtual phis.
3126 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
3128         * combine.c (simplify_comparison): Fix comment typo.
3130 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3132         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
3133         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
3134         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
3135         (output_restore): Change parameter from 'insn' to 'pat'.
3136         (output_return): Adjust call to output_restore.
3137         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
3138         Adjust call to output_restore.
3140 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
3142         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
3143         and assert system is bsd.
3145 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
3147         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
3148         (TARGET_SWITCHES): Remove -mdebugc.
3149         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
3150         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
3151         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
3152         (sle_[sd]i_reg): Delete.
3154 2004-07-04  Steven Bosscher  <stevenb@suse.de>
3156         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
3157         Define.
3158         * config/iq2000/iq2000.md: Translate old pipeline description to an
3159         equivalent new one.
3161 2004-07-04  Roger Sayle  <roger@eyesopen.com>
3163         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
3164         Ensure the replacement rhs is valid gimple before performing
3165         the substitution.  Return false if these sanity checks fail.
3166         (fold_stmt): Only set changed to true, if set_rhs returns true.
3167         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
3168         succeeds.
3170 2004-07-04  Richard Henderson  <rth@redhat.com>
3172         PR c/16348
3173         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
3175 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
3177         * configure.ac (ranlib_flags): New variable.
3178         * Makefile.in (RANLIB_FLAGS): New variable.
3179         (libbackend.a): Use it.
3180         * configure: Regenerated.
3182 2004-07-04  Roger Sayle  <roger@eyesopen.com>
3184         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
3185         a "sign mask" instead of using ashr_optab directly.
3187 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
3189         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
3190         * doc/cppopts.texi: Clarify processing of command-line defines.
3192 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
3194         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
3196 2004-07-04  Richard Henderson  <rth@redhat.com>
3198         * rtl.def (ADDRESSOF): Remove.
3199         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
3200         (find_base_term, memrefs_conflict_p): Likewise.
3201         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
3202         (fold_rtx, cse_insn, set_live_p): Likewise.
3203         * dwarf2out.c (mem_loc_descriptor): Likewise.
3204         (add_location_or_const_value_attribute): Likewise.
3205         * emit-rtl.c (copy_insn_1): Likewise.
3206         * explow.c (memory_address): Likewise.
3207         * expmed.c (store_split_bit_field): Likewise.
3208         * expr.c (expand_expr_real_1): Likewise.
3209         * function.c (instantiate_decl
3210         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
3211         * genrecog.c (preds, validate_pattern): Likewise.
3212         * integrate.c (copy_rtx_and_substitute): Likewise.
3213         * recog.c (general_operand, register_operand): Likewise.
3214         (memory_address_p): Likwise.
3215         * reload1.c (eliminate_regs, elimination_effects): Likewise.
3216         * rtl.c (copy_rtx): Likewise.
3217         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
3218         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
3219         * rtlhooks.c (gen_lowpart_general): Likewise.
3220         * stmt.c (expand_asm_operands): Likewise.
3221         * web.c (entry_register, replace_ref, web_main): Likewise.
3222         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
3223         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3224         * config/arm/arm.c (thumb_rtx_costs): Likewise.
3225         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
3226         * config/frv/frv.c (move_destination_operand, move_source_operand,
3227         condexec_dest_operand, condexec_source_operand,
3228         condexec_memory_operand): Likewise.
3229         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
3230         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
3231         (destination_xfmode_operand): Likewise.
3232         * config/mips/mips.h (PREDICATE_CODES): Likewise.
3233         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
3234         * config/s390/s390.c (general_s_operand): Likewise.
3235         * config/s390/s390.md (mov*): Likewise.
3236         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
3238         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
3239         * expr.c (expand_expr_real_1): Likewise.
3240         * stmt.c (expand_decl): Likewise.
3241         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
3243         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
3244         postponed_insns, put_var_into_stack, put_reg_into_stack,
3245         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
3246         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
3247         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
3248         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
3249         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
3250         purge_bitfield_addressof_replacements, purge_addressof_replacements,
3251         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
3252         struct insns_for_mem_walk_info, insns_for_mem_walk,
3253         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
3254         setjmp_protect_args): Remove.
3255         (push_function_context_to): Don't handle var_refs_queue.
3256         (pop_function_context_from, free_after_compilation): Likewise.
3257         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
3258         (assign_parms, allocate_struct_function): Likewise.
3259         (use_register_for_decl): New.
3260         (expand_function_end): Don't setjmp_protect.
3261         * function.h (struct emit_status): Update commentary.
3262         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
3263         (max_parm_reg, parm_reg_stack_loc): Remove.
3264         * passes.c (DFI_addressof): Remove.
3265         (dump_file_info): Remove addressof.
3266         (rest_of_handle_addressof): Remove.
3267         (rest_of_compilation): Don't call it.
3268         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
3269         * stmt.c (expand_decl): Use use_register_for_decl.
3270         * tree.h: Update decls.
3271         * web.c (mark_addressof): Remove.
3272         * doc/invoke.texi (-dF): Remove.
3274 2004-07-03  Richard Henderson  <rth@redhat.com>
3276         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
3277         instead of gen_mem_addressof.
3278         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
3279         TImode output register.
3281 2004-07-03  Richard Henderson  <rth@redhat.com>
3283         PR tree-optimization/16341
3284         * tree-sra.c (sra_walk_function): Increment to next stmt before
3285         processing the current stmt.
3286         (sra_insert_after): Always use BSI_SAME_STMT.
3288 2004-07-03  Richard Henderson  <rth@redhat.com>
3290         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
3291         fp plus with minus.
3293 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3295         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
3296         with tree_int_cst_equal.
3298 2004-07-03  Andreas Schwab  <schwab@suse.de>
3300         * config/ia64/ia64.md: Define new attribute "empty".
3301         (prologue_use, nop_x, insn_group_barrier): Set it.
3303         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
3304         skip over "empty" insns.
3306 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3308         * tree-inline.c (initialize_inlined_parameters): Pass proper function
3309         context to gimplify_body.
3310         (walk_tree): Don't walk into types twice.
3311         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
3313         * tree-sra.c (generate_element_init): Remove any useless conversions.
3315         * gimplify.c (gimplify_conversion): Remove stripping useless
3316         conversions from here.
3317         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
3318         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
3319         Unshare before substituting PLACEHOLDER_EXPR.
3320         (gimplify_modify_expr_to_memset): Likewise.
3321         Pass address of TO to memset, not TO itself.
3322         (gimplify_init_constructor): Make copy of OBJECT so we have it each
3323         time we make an expression (to match a PLACEHOLDER_EXPR).
3325         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
3326         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
3327         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
3328         * tree-ssa-dom.c (local_fold): Likewise.
3330         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
3331         * langhooks.h (strct lang_hooks): New field type_max_size.
3332         * function.c (assign_temp): Call it.
3334 2004-07-03  Steven Bosscher  <stevenb@suse.de>
3336         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
3337         * config/sh/sh.md: Convert the SH1 pipeline description to
3338         a DFA model.
3340 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
3342         * c-decl.c (struct c_binding): Remove contour field; add
3343         depth, invisible, nested fields.
3344         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
3345         (B_IN_EXTERNAL_SCOPE): New convenience macros.
3346         (bind): Add invisible and nested arguments. Initialize
3347         new fields of struct c_binding; adjust loop scanning for
3348         insertion point.
3349         (free_binding_and_advance): Clear structure with memset.
3350         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
3351         in file scope, even if it's in external scope too.
3352         (pushdecl): Adjust to match.  Create invisible file-scope
3353         declarations for block-scope forward declarations of static functions.
3354         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
3355         (undeclared_variable, lookup_label, declare_label, define_label)
3356         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
3357         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
3358         (store_parm_decls_oldstyle): Adjust to match.
3359         (diagnose_mismatched_decls): Correct handling of linkage clashes.
3360         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
3362         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
3363         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
3365 2004-07-02  Richard Henderson  <rth@redhat.com>
3367         * c-decl.c (grokdeclarator): Don't frob current_function_decl
3368         around variable_size.
3369         (set_decl_nonlocal): Remove.
3370         (store_parm_decls): Add stmts for pending sizes.
3371         * calls.c (calls_function, calls_function_1): Remove.
3372         (precompute_arguments): Don't call it.
3373         * cfgexpand.c (set_save_expr_context): Remove.
3374         (tree_expand_cfg): Don't call it.
3375         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
3376         (dwarf2out_finish): Likewise.
3377         * expr.c (emit_block_move): Adjust addresses to BLKmode.
3378         (store_constructor): Don't pre-evaluate SAVE_EXPR.
3379         (safe_from_p): Don't queue SAVE_EXPRs.
3380         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
3381         or build plain VAR_DECLs.
3382         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
3383         (fold): Likewise.
3384         (fold_checksum_tree): Don't special-case SAVE_EXPR.
3385         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
3386         (put_var_into_stack): Don't handle SAVE_EXPR.
3387         (gen_mem_addressof): Likewise.
3388         * function.h (struct function): Remove x_save_expr_regs.
3389         (save_expr_regs): Remove.
3390         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
3391         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
3392         * stor-layout.c (variable_size): Don't set it.
3393         (force_type_save_exprs, force_type_save_exprs_1): Remove.
3394         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
3395         all callers.  Don't set SAVE_EXPR_CONTEXT.
3396         * tree-inline.h (remap_save_expr): Update decl.
3397         * tree.c (save_expr): Update build size.
3398         (first_rtl_op): Don't handle SAVE_EXPR.
3399         (unsave_expr_1, contains_placeholder_p): Likewise.
3400         (decl_function_context): Likewise.
3401         * tree.def (SAVE_EXPR): Remove args 1 and 2.
3402         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
3403         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
3405 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3407         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
3408         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
3409         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
3410         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
3411         some first-person references and patronizing comments.  Based on
3412         printed manual.
3413         * doc/invoke.texi: Don't reference fortran@gnu.org.
3414         * doc/trouble.texi (Warning when a non-void function value is
3415         ignored): Rewrite.  From Russ Allbery and Chris Devers.
3417 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
3419         * tree-ssa-pre.c (bitmap_set_t): New.
3420         (bb_value_sets): avail_out is now a bitmap_set_t.
3421         (bitmap_find_leader): New function.
3422         (bitmap_value_insert_into_set): Ditto.
3423         (bitmap_set_copy): Ditto.
3424         (bitmap_value_replace_in_set): Ditto.
3425         (bitmap_set_contains_value): Ditto.
3426         (bitmap_set_new): Ditto.
3427         (bitmap_set_pool): New pool.
3428         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
3429         (insert_aux): Ditto.
3430         (add_to_sets): Ditto.
3431         (compute_avail): Ditto
3432         (eliminate): Ditto.
3433         (init_pre): Ditto.
3434         (fini_pre): Ditto.
3435         (execute_pre): Ditto.
3437 2004-07-02  Roger Sayle  <roger@eyesopen.com>
3439         * config/rs6000/rs6000.c (struct processor_costs): New structure
3440         used to hold instruction latencies/sizes for processor types.
3441         (rs6000_cost): New global variable pointing to current CPU's costs.
3442         (rs6000_override_options): Initialize rs6000_cost to point to the
3443         appropriate cost table based upon rs6000_cpu and optimize_size.
3444         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
3445         timings inline.
3447 2004-07-02  Richard Henderson  <rth@redhat.com>
3449         * expmed.c (make_tree): Don't use SET_DECL_RTL.
3451 2004-07-02  Steven Bosscher  <stevenb@suse.de>
3453         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
3455 2004-07-01  Richard Henderson  <rth@redhat.com>
3457         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
3458         (alpha_gp_save_rtx): Use assign_stack_local instead of
3459         gen_mem_addressof.
3461 2004-07-01  Richard Henderson  <rth@redhat.com>
3463         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
3464         (alpha_rtx_cost_data): Update to match.
3465         (alpha_rtx_cost_size): New.
3466         (alpha_rtx_costs): Honor optimize_size.
3468 2004-07-01  Richard Henderson  <rth@redhat.com>
3470         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
3471         * cfgexpand.c (tree_expand_cfg): Do it here.
3472         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
3473         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
3474         * config/mips/mips.c (mips_output_mi_thunk): And here.
3475         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
3476         * config/sh/sh.c (sh_output_mi_thunk): And here.
3477         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
3479 2004-07-01  Richard Henderson  <rth@redhat.com>
3481         * tree.def (RTL_EXPR): Remove.
3482         * c-typeck.c (lvalue_p): Don't handle it.
3483         * expr.c (safe_from_p): Likewise.
3484         (expand_expr_real_1): Likewise.
3485         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
3486         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
3487         * gengtype.c (adjust_field_tree_exp): Likewise.
3488         * stmt.c (warn_if_unused_value): Likewise.
3489         * tree-gimple.c (recalculate_side_effects): Likewise.
3490         * tree-pretty-print.c (dump_generic_node): Likewise.
3491         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
3492         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
3493         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
3495         * stmt.c (struct stmt_status): Remove x_last_expr_type,
3496         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
3497         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
3498         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
3499         all the bits that tracked last_expr.
3500         (expand_end_bindings): Don't track last_expr.
3501         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
3502         (clear_last_expr): Remove.
3503         (expand_asm): Don't call it.
3504         (expand_asm_operands, expand_end_cond): Likewise.
3505         (expand_naked_return, expand_null_return_1): Likewise.
3506         * c-typeck.c (c_begin_compound_stmt): Likewise.
3507         * cfgexpand.c (expand_block): Use expand_expr_stmt.
3508         * expr.c (expand_expr_real_1): Likewise.
3509         * tree.h: Update prototypes.
3511         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
3512         (struct emit_status): Remove sequence_rtl_expr.
3513         (struct function): Remove x_rtl_expr_chain.
3514         (seq_rtl_expr, rtl_expr_chain): Remove.
3515         * function.c (struct temp_slot): Remove rtl_expr.
3516         (assign_stack_temp_for_type): Don't set it.
3517         (free_temp_slots, pop_temp_slots): Don't check it.
3518         (free_after_compilation): Don't clear x_rtl_expr_chain.
3519         (fixup_var_refs): Don't search it.
3520         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
3521         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
3522         or seq_rtl_expr.
3523         (push_topmost_sequence): Likewise.
3524         (end_sequence, init_emit): Likewise.
3525         (start_sequence_for_rtl_expr): Remove.
3526         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
3527         * rtl.h (preserve_rtl_expr_result): Remove.
3529 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
3531         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
3532         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
3533         typos.
3535 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3537         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
3538         (STANDARD_STARTFILE_PREFIX_2): Define.
3539         (standard_startfile_prefix_1): Initialize to
3540         STANDARD_STARTFILE_PREFIX_1.
3541         (standard_startfile_prefix_2): Initialize to
3542         STANDARD_STARTFILE_PREFIX_2.
3543         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
3544         (STANDARD_STARTFILE_PREFIX_1): Define.
3545         (STANDARD_STARTFILE_PREFIX_2): Define.
3546         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
3547         (STANDARD_STARTFILE_PREFIX_2): Document.
3549 2004-07-01  Richard Henderson  <rth@redhat.com>
3551         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
3552         in order to disable scalarization.  Instead set a flag and wait
3553         for a candidate decl.
3555 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
3557         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
3558         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
3559         Use terminology "testsuite" and "enumerated".
3561 2004-07-01  Richard Henderson  <rth@redhat.com>
3563         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
3564         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
3565         (initial_return_save): Likewise.
3566         (flush_queued_reg_saves): Remap register numbers.
3567         (dwarf2out_return_reg): Likewise.
3569 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3571         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
3573         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
3574         access functions for lower bound and element size and only output
3575         if lower bound nonzero or element size not same as that of type.
3576         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
3578 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3580         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
3582 2004-07-01  Per Bothner  <per@bothner.com>
3584         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
3586 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
3588         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
3589         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
3590         first operand.  Don't optimize if the bitfield is volatile.
3592 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3594         * c-pretty-print.c (pp_c_postfix_expression): Handle
3595         floating-point comparison operators.
3596         (pp_c_expression): Pass floating-point comparison
3597         operators to pp_c_postfix_expression.
3599 2004-07-01  Roger Sayle  <roger@eyesopen.com>
3601         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
3602         rtx_cost instead of "had_mult" to determine whether the transformed
3603         expression is cheaper than the original.
3605 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
3607         * alias.c (get_alias_set, canon_rtx, get_addr,
3608         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
3609         Use MEM_P.
3610         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
3611         expand_builtin): Likewise.
3612         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
3613         Likewise.
3614         * combine.c (can_combine_p, combinable_i3pat, try_combine,
3615         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
3616         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
3617         record_dead_and_set_regs_1, get_last_value_validate,
3618         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
3619         * cse.c (check_dependence, canon_hash, equiv_constant,
3620         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
3621         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
3622         count_reg_usage): Likewise.
3623         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
3624         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
3625         cselib_record_sets): Likewise.
3626         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
3627         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
3628         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
3629         * df.c (df_uses_record): Likewise.
3630         * dojump (do_jump): Likewise.
3631         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
3632         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
3633         decl_start_label): Likewise.
3634         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
3635         operand_subword, change_address_1, make_safe_from): Likewise.
3636         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
3637         stabilize, force_not_mem): Likewise.
3638         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
3639         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
3640         * expr.c (convert_move, convert_modes, emit_block_move,
3641         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
3642         emit_move_insn_1, expand_assignment, store_expr,
3643         store_constructor_field, store_constructor, store_field,
3644         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
3645         Likewise.
3646         * final.c (cleanup_subreg_operands, alter_subreg,
3647         get_mem_expr_from_op): Likewise.
3648         * flow.c (notice_stack_pointer_modification_1,
3649         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
3650         Likewise.
3651         * function.c (mark_temp_addr_taken, preserve_temp_slots,
3652         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
3653         optimize_bit_field, flush_addressof, purge_addressof_1,
3654         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
3655         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
3656         keep_stack_depressed): Likewise.
3657         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
3658         noce_process_if_block, find_memory): Likewise.
3659         * integrate.c (subst_constants, allocate_initial_values): Likewise.
3660         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
3661         update_equiv_regs): Likewise.
3662         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
3663         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
3664         * optabs.c (expand_abs, emit_unop_insn): Likewise.
3665         * passes.c (rest_of_handle_final): Likewise.
3666         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
3667         move2add_note_store): Likewise.
3668         * ra-build.c (detect_remat_webs): Likewise.
3669         * ra-debug.c (dump_static_insn_cost): Likewise.
3670         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
3671         * recog.c (validate_change, apply_change_group, cancel_changes,
3672         validate_replace_rtx_1, general_operand, register_operand,
3673         nonmemory_operand, push_operand, pop_operand, memory_operand,
3674         indirect_operand, asm_operand_ok, offsettable_memref_p,
3675         offsettable_nonstrict_memref_p, constrain_operands,
3676         store_data_bypass_p): Likewise.
3677         * reg-stack.c (subst_stack_regs_pat): Likewise.
3678         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
3679         copy_cost, reg_scan_mark_refs): Likewise.
3680         * regmove.c (optimize_reg_copy_3, stack_memref_p,
3681         combine_stack_adjustments_for_block): Likewise.
3682         * regrename.c (copyprop_hardreg_forward_1): Likewise.
3683         * reload.c (can_reload_into, push_reload, decompose, immune_p,
3684         find_reloads, find_reloads_address, find_reloads_address_1,
3685         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
3686         find_equiv_reg): Likewise.
3687         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
3688         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
3689         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
3690         delete_address_reloads): Likewise.
3691         * resource.c (mark_referenced_resources): Likewise.
3692         * rtlanal.c (get_jump_table_offset, count_occurrences,
3693         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
3694         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
3695         num_sign_bit_copies1): Likewise.
3696         * rtlhooks.c (gen_lowpart_general): Likewise.
3697         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
3698         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
3699         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
3700         sdbout_global_decl): Likewise.
3701         * simplify-rtx.c (simplify_subreg): Likewise.
3702         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
3703         expand_anon_union_decl, expand_end_case_type): Likewise.
3704         * unroll.c (calculate_giv_inc): Likewise.
3705         * var-tracking.c (stack_adjust_offset_pre_post,
3706         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
3707         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
3708         vt_add_function_parameters): Likewise.
3709         * varasm.c (make_var_volatile, notice_global_symbol,
3710         assemble_external, decode_addr_const, mark_weak,
3711         default_encode_section_info): Likewise.
3713 2004-07-01  Steven Bosscher  <stevenb@suse.de>
3715         * stmt.c (check_seenlabel): Remove.
3716         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
3718 2004-07-01  Richard Henderson  <rth@redhat.com>
3720         * function.h (struct function): Remove x_function_call_count.
3721         (function_call_count): Remove.
3722         * calls.c (expand_call): Don't set it.
3723         * integrate.c (copy_rtx_and_substitute): Likewise.
3725         * function.h (struct function): Remove x_cleanup_label.
3726         (cleanup_label): Remove.
3727         * stmt.c (expand_value_return): Don't use it.
3728         * function.c (free_after_compilation): Don't set it.
3729         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
3730         * cfgexpand.c (tree_expand_cfg): Update call.
3731         * tree.h (expand_function_start): Update decl.
3733 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
3735         PR c/1027
3736         * c-lang.c (c_initialize_diagnostics): Move from here ...
3737         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
3738         (c_tree_printer): Use pretty-printer to format %T.
3739         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
3740         before '*' if not C++.
3741         (pp_c_direct_abstract_declarator): Don't try to print array upper
3742         bound for flexible array members.
3743         * c-tree.h: Include "diagnostic.h".
3744         (c_initialize_diagnostics): Declare.
3745         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
3746         * c-format.c (format_type_warning): New function.  Improve
3747         diagnostics for incorrect format argument types.
3748         (check_format_types): Use it.  Add two parameters.  Use the
3749         TYPE_MAIN_VARIANT of wanted_type.
3750         (check_format_info_main): Pass new parameters to
3751         check_format_types.
3752         (struct format_wanted_type): Update comment.
3754 2004-07-01  Nick Clifton  <nickc@redhat.com>
3756         * target.h (struct gcc_target): Add new field to struct cxx:
3757         import_export_class.
3758         * target-def.h (TARGET_CXX): Initialise the new field.
3759         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
3760         the new field.
3761         * doc/tm.texi: Document the new target hook.
3763 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3765         * builtins.c (fold_builtin_classify): Fix typo.
3767 2004-07-01  Richard Henderson  <rth@redhat.com>
3769         * function.c (identify_blocks, identify_blocks_1): Remove.
3770         * function.h (identify_blocks): Remove.
3771         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
3773 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3775         * builtins.c (fold_builtin_classify): New.
3776         (fold_builtin_unordered_cmp): Fix commentary.
3777         (fold_builtin): Use it.
3778         * builtins.def: Define builtins for isnan,
3779         isnanf, isnanl, finite, finitef, finitel,
3780         isinf, isinff, isinfl.
3782 2004-07-01  Richard Henderson  <rth@redhat.com>
3784         * function.h (struct function): Remove dont_emit_block_notes.
3785         * gimple-low.c (lower_function_body): Don't set it.
3786         * cfgexpand.c (expand_block): Don't check it.
3787         * cfglayout.c (insn_locators_initialize): Likewise.
3788         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
3789         * passes.c (rest_of_compilation): Likewise.
3790         * stmt.c (expand_start_bindings_and_block): Likewise.
3791         (expand_end_bindings): Likewise.
3793 2004-07-01  Richard Henderson  <rth@redhat.com>
3795         * cgraph.h (cgraph_build_static_cdtor): Declare.
3796         * cgraphunit.c (cgraph_build_static_cdtor): New.
3797         * c-objc-common.c (build_cdtor): Use it.
3798         * coverage.c (create_coverage): Likewise.
3799         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
3800         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
3802 See ChangeLog.11 for earlier changes.