* config/i860/i860-protos.h (i860_va_arg): Remove.
[official-gcc.git] / gcc / ChangeLog
blobc2993d28995414b909a859301fdee20851dd721c
1 2004-07-08  Richard Henderson  <rth@redhat.com>
3         * config/i860/i860-protos.h (i860_va_arg): Remove.
4         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
6         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
8 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
10         * system.h: Prototype getpagesize if missing.
11         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
12         * configure: Regenerate.
13         * config.in: Regenerate.
15 2004-07-08  Richard Henderson  <rth@redhat.com>
17         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
18         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
19         (fr30_gimplify_va_arg_expr): New.
20         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
21         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
23 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
25         PR target/16414
26         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
27         of asm_noperands result.
29 2004-07-08  Richard Henderson  <rth@redhat.com>
31         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
32         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
33         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
34         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
36 2004-07-08  Richard Henderson  <rth@redhat.com>
38         * builtins.c (ind_gimplify_va_arg_expr): New.
39         * tree.h (ind_gimplify_va_arg_expr): Declare.
40         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
42 2004-07-08  Jan Beulich  <jbeulich@novell.com>
44         * expmed.c (extract_bit_field): Correct condition to use vec_extract
45         patterns also on vector elements other than the first one.
46         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
47         break statements.
49 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
51         * config/rs6000/darwin-ldouble.c: Correct reference
52         to the Linnainmaa paper.
54 2004-07-08  Richard Henderson  <rth@redhat.com>
56         * config/arc/arc-protos.h (arc_va_arg): Remove.
57         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
58         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
59         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
61         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
62         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
63         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
64         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
66 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
68         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
70 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
72         * c-decl.c (static_ctors, static_dtors): Make static.
73         (pop_file_scope): Call c_common_write_pch and
74         cgraph_finalize_compilation_unit here.
75         (build_cdtor): Moved here from c-objc-common.c; simplify.
76         (c_write_global_declarations_1): Clarify comment.
77         (c_write_global_declarations): Close the external scope before
78         doing anything else.  Call build_cdtor, cgraph_optimize, and
79         mudflap_finish_file here.
80         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
81         Clarify comment.
82         * c-objc-common.c: No need to include cgraph.h.
83         (build_cdtor): Moved to c-decl.c.
84         (c_objc_common_finish_file): Delete.
85         * c-tree.h: Update to match.
86         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
87         (generate_static_references): Set TREE_USED before calling finish_decl.
88         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
89         on the static_instances_decl.
91 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
93         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
94         decls when there is only one input translation unit.
95         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
96         change of 2004-07-05; do not treat declarations with
97         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
98         * opts.c (cur_in_fname): Delete.
99         * opts.h: Likewise.
100         * tree.c: Revert changes of 2004-07-05; no special treatment
101         for TRANSLATION_UNIT_DECLs.
102         * Makefile.in (tree.o): Update dependencies.
104 2004-07-08  Roger Sayle  <roger@eyesopen.com>
106         * builtins.c (fold_builtin_strcpy): Merge functionality from
107         simplify_builtin_strcpy.  Add additional len argument.  No longer
108         static.  Remove function prototype.
109         (fold_builtin_strncpy): Likewise integrate functionality from
110         simplify_builtin_strncpy.  Add additional slen argument.  No
111         longer static.  Remove function prototype.
112         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
113         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
114         types of "ignore" and "unlocked" parameters to bool.
115         (fold_builtin_1):  Add additional ignore argument.  Call renamed
116         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
117         builtins.  Update arguments to fold_builtin_strncpy and
118         fold_builtin_strcpy.  Add function prototype.
119         (fold_builtin): Add additional Boolean ignore argument to pass
120         to fold_builtin_1.
121         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
122         and fold_builtin_strncpy instead of simplify_builtin_fputs,
123         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
125         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
126         simplify_builtin_strncpy): Delete function prototypes.
127         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
128         fold_builtin_strncpy): Add function prototypes here.
129         (fold_builtin): Update function prototype with new "bool ignore".
131         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
132         (ccp_fold_builtin):  Update call to fold_builtin.  Call
133         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
134         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
135         simplify_builtin_strncpy respectively.
136         * fold-const.c (fold): Update call to fold_builtin.
138 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
140         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
141         to strcpy.
143         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
144         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
145         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
146         * calls.c: Remove ifdefs of macros above.
147         * functions.c: Likewise.
148         * expr.c: Likewise.
150 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
152         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
153         (arch attribute): Delete.
154         (current_function_calls_alloca attribute): Rename into calls_alloca.
155         (calls_eh_return): New attribute.
156         (leaf_function): Likewise.
157         (length attribute): Fix formula for sibcalls.
158         (return insn): Correctly compute the 'length' attribute.
159         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
161 2004-07-08  Richard Henderson  <rth@redhat.com>
163         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
164         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
165         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
166         * tree-eh.c (lower_eh_constructs_1): Likewise.
167         * tree-sra.c (sra_walk_modify_expr): Likewise.
168         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
169         (eliminate_unnecessary_stmts): Likewise.
170         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
171         * tree-tailcall.c (optimize_tail_call): Likewise.
172         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
174 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
175             Jakub Jelinek  <jakub@redhat.com>
177         * config/i386/i386.c (override_options): Enable
178         SSE prefetches with -mtune, as long as we are
179         compiling for i686 or higher.  All i686 processors
180         accept SSE prefetches as NOPS, some i586's don't.
182 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
184         PR target/10567
185         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
187 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
189         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
190         the handling of clobbering ASM_EXPRs.
192 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
194         PR target/16430
195         * config/sparc/sparc.c (function_value): In 64-bit mode,
196         return the aggregates larger than 16 bytes like unions.
198 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
200         PR target/16199
201         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
202         'temp' is zero, generate new pseudos as needed and emit the
203         sequence of insns in single-assignment form.  Resync comments
204         with code.
205         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
206         function before reload.
208 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
210         * vec.c (vec_assert_fail): Remove duplicate 'function'.
212         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
214         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
215         Allocation is signed.
216         (VEC_reserve): Return flag, allocation is signed.
218 2004-07-08  Richard Henderson  <rth@redhat.com>
220         * tree-ssa-ccp.c (fold_stmt): Get type directly from
221         OBJ_TYPE_REF_OBJECT.
223 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
224             Neil Booth  <neil@daikokuya.co.uk>
226         PR c/2511
227         PR c/3325
228         * c-decl.c (finish_struct): Ensure bit-fields are given the
229         correct type.
230         * c-common.c (c_common_signed_or_unsigned_type): For C, require
231         the precision to match as well as the mode.
232         * expr.c (reduce_to_bit_field_precision): New function.
233         (expand_expr_real_1): Reduce expressions of bit-field type to
234         proper precision.
235         * langhooks.h (reduce_bit_field_operations): New hook.
236         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
237         Define.
238         * c-lang.c, objc/objc-lang.c
239         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
240         * objc/objc-act.c (check_ivars): Convert types to bit-field types
241         before checking.
242         * tree.c (build_nonstandard_integer_type): New function.
243         * tree.h (build_nonstandard_integer_type): New prototype.
244         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
245         conversions between integer and boolean types as useless.
247 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
249         * c-common.c (c_common_nodes_and_builtins): Do not
250         create __builtin_ptrdiff_t and __builtin_size_t.
252 2004-07-08  Andrew Pinski  <apinski@apple.com>
254         * Makefile.in (libbackend.o): Add -combine to the gcc
255         command line.
257 2004-07-08  Nick Clifton  <nickc@redhat.com>
259         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
260         Set to -Os.
262 2004-07-08  Richard Henderson  <rth@redhat.com>
264         * except.c (expand_eh_region_start, expand_eh_region_end,
265         expand_eh_handler, expand_eh_region_end_cleanup,
266         expand_start_all_catch, expand_start_catch, expand_end_catch,
267         expand_end_all_catch, expand_eh_region_end_allowed,
268         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
269         expand_eh_region_end_fixup): Remove.
270         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
271         cleanups, outer_cleanups, label_chain, exception_region.
272         (struct goto_fixup): Remove stack_level, cleanup_list_list.
273         (struct label_chain): Remove.
274         (struct stmt_status): Remove x_stack_block_stack.
275         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
276         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
277         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
278         end_cleanup_deferral, last_cleanup_this_contour,
279         containing_blocks_have_cleanups_or_stack_level,
280         any_pending_cleanups): Remove.
281         (expand_null_return_1): Take no arguments.
282         (expand_label, expand_naked_return, expand_return,
283         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
284         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
285         expand_end_case_type): Don't use any of them.
286         * calls.c (expand_call): Likewise.
287         * dojump.c (do_jump): Likewise.
288         * function.c (expand_function_end): Likewise.
289         * expr.c (store_expr, expand_expr_real_1): Likewise.
290         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
291         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
292         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
293         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
294         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
295         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
296         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
297         for WITH_CLEANUP_EXPR.
298         (gimple_push_cleanup): Likewise.
299         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
300         * print-tree.c (print_node): Likewise.
301         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
302         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
303         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
304         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
305         (GOTO_SUBROUTINE_EXPR): Remove.
306         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
307         (DECL_TOO_LATE): Remove.
308         * except.h, tree.h: Update decls.
310 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
312         * explow.c (optimize_save_area_alloca): Do not accept parameters.
313         * passes.c (rest_of_handle_final): Handle symout.
314         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
315         Push timevar here.
316         (rest_of_handle_sched): Break out SMS.  Remove ifs for
317         flag_schedule_insns and flag_modulo_sched.
318         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
319         collect at the end.
320         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
321         (rest_of_handle_partition_blocks, rest_of_handle_sms,
322         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
323         rest_of_handle_mode_switching, rest_of_handle_jump,
324         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
325         rest_of_handle_jump2, rest_of_handle_postreload,
326         rest_of_handle_flow2, rest_of_clean_state,
327         rest_of_handle_shorten_branches,
328         rest_of_handle_prologue_epilogue,
329         rest_of_handle_branch_target_load_optimize): New.
330         (rest_of_compilation): Call the above.  Remove ggc_collect
331         calls moved to rest_of_handle_*.
332         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
334         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
335         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
336         * except.h (set_nothrow_function_flags): Update comment.
337         * function.c (current_function_nothrow): Remove.
338         * output.h (current_function_nothrow): Remove.
339         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
340         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
342 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
344         PR bootstrap/16326
345         * reorg.c: Revert 2004-06-30 change.
346         (find_end_label): If HAVE_epilogue and !HAVE_return,
347         return 0 instead of creating a label at the end of the insn chain.
348         (optimize_skip): Account for the failure mode of find_end_label.
349         (fill_simple_delay_slots): Likewise.
350         (fill_slots_from_thread): Likewise.
351         (relax_delay_slots): Likewise.
353 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
355         * tree-flow.h (addressable_vars): Declare.
356         * tree-ssa-alias.c (addressable_vars): Define.
357         (setup_pointers_and_addressables): Add addressable variables
358         to addressable_vars.
359         * tree-ssa-operands.c (get_stmt_operands): Move
360         handling of ASM_EXPRs ...
361         (get_asm_expr_operands): ... here.
362         When the ASM_EXPR clobbers memory, also clobber addressable
363         variables.
364         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
365         (delete_tree_ssa): Reset addressable_vars.
367 2004-07-07  Jan Beulich  <jbeulich@novell.com>
368             Richard Henderson  <rth@redhat.com>
370         * varasm.c (assemble_variable): Use assemble_zeros for
371         zero-initialized variables.
372         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
373         for SECCAT_BSS and SECCAT_TBSS.
375 2004-07-07  Jan Beulich  <jbeulich@novell.com>
377         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
379         * expmed.c (emit_store_flag): Also special-case double-word
380         (in-)equality comparison against -1.
382         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
383         passing arguments the containers for which are registers.
385         * calls.c (emit_library_call_value_1): Use mode of function parameter
386         rather than that of argument since constants have none.
388 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
390         Introduce H8SX support.
391         * expr.c (expand_strcpy): Renamed and moved to...
392         * builtins.c (expand_movstr): ... here.  Tweak.
393         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
394         computed or has side effects.
395         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
396         unused, or if mempcpy fails.  Adjust the return value in the
397         latter case.  Use movstr if everything else fails.
398         * doc/md.texi (movstr): Document.
399         (movmemM, clrmemM): Fix explanation of memory block operands.
400         * config/h8300/h8300.md (stpcpy): Renamed to...
401         (movstr): ... this.  Adjust.
402         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
403         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
404         movmem* and clrstr* to clrmem*.
405         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
406         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
407         GENERAL_REGS, always.
408         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
409         getting the stack pointer as addr.
410         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
411         from general_operand_dst.
412         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
413         variant of...
414         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
415         instead of requiring it to match only before reload.
416         (stpcpy_internal_normal): New, normal-mode variant of...
417         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
418         `D' instead of requiring it to match only before reload.
419         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
420         mode argument.
421         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
422         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
423         h8300_get_index.
424         * config/h8300/h8300.md (attr type): Add call.
425         (attr can_delay): If type is call, set it no.
426         (call, call_value): Set type to call.
427         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
428         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
429         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
430         * tree.c (get_narrower): Don't narrow integral types into
431         non-integral types.
432         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
433         frame_size *before* the first use.
434         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
435         on input.
436         (peephole2): Don't widen instructions that push SP.  Move
437         decrement of SP to the end of all stm-generating peepholes.
438         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
439         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
440         and OR to set it to all ones.
441         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
442         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
443         (call, call_value): Set can_delay to "no".
444         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
445         * config/h8300/h8300.md (extzv): Make subreg check more robust.
446         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
447         * config/h8300/h8300.md (*brabit): Remove.
448         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
449         zero_extract.  Use bit_memory_operand as the predicate for
450         operand 1 and 'WU' as the constraint.  Check the difference
451         between the base length and the final one when deciding which
452         type of branch to use.
453         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
454         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
455         Use convert_move to extend the result for TARGET_H8300SX.  Check
456         for QImode memory references.  Optimize the case where the
457         destination is a paradoxical subreg.
458         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
459         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
460         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
461         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
462         * config/h8300/h8300.md: Include mova.md
463         (length_table): Add mova and mova_zero.
464         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
465         after all constant addresses for '%R', '%X', '%T' and '%S'.
466         (h8300_mova_length): New function.
467         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
468         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
469         dependencies for s-config, etc.
470         * config/h8300/gemova.sh: New file.
471         * config/h8300/mova.md: Generated.
472         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
473         * config/h8300/h8300.c (h8300_bitfield_length): New.
474         (nibble_operand): Adjust.
475         (h8300_binary_length): Handle conditional binary op.
476         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
477         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
478         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
479         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
480         constraints.  WU is introduced as a variant of U that requires a
481         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
482         * config/h8300/h8300.md (attr type): Added bitbranch.
483         (attr length_table): Added bitfield and bitbranch.
484         (attr length): Compute bitbranch length.
485         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
486         least-significant bit of a byte.
487         (brabit, brabc, brabs): New.
488         (insv, extzv): Emit bfst and bfld on H8300SX.
489         (bfld, bfst, seq, sne): New.
490         (bstzhireg, cmpstz, bstz, bistz): New.
491         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
492         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
493         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
494         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
495         (h8sx_unary_memory_operator): New function.
496         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
497         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
498         * config/h8300/h8300.md: Add peepholes to combine reloads and
499         arithmetic insns.
500         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
501         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
502         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
503         (and?i, ior?i, xor?i): Likewise.
504         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
505         * config/h8300/h8300.c: Move enums and prototypes to head of file.
506         Various whitespace fixes.
507         (h8300_constant_length): New function, split out from...
508         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
509         (h8300_classify_operand): Use IN_RANGE.
510         (h8300_classify_operand): Use h8300_constant_length.
511         (h8300_short_move_mem_p): Tighten size check.
512         (h8sx_mergeable_memrefs_p): Tighten equality check.
513         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
514         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
515         for -msx.
516         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
517         * config/h8300/crtn.asm: Likewise.
518         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
519         if __H8300SX__ is defined.
520         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
521         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
522         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
523         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
524         addresses as mode-dependent.
525         * config/h8300/h8300.c (print_operand_address): Update call to
526         h8300_get_index.
527         (h8300_get_index): Take a mode argument.  Rework to fix an
528         earlier misunderstanding.
529         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
530         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
531         into a register if TARGET_H8300SX.
532         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
533         TARGET_H8300SX.  Also disable related define_splits.
534         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
535         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
536         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
537         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
538         * config/h8300/h8300.h (OK_FOR_Z): New macro.
539         (EXTRA_CONSTRAINT_STR): Check it.
540         * config/h8300/h8300.c (h8300_classify_operand): Accept null
541         class arguments.
542         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
543         * config/h8300/h8300.md (length_table): Add mov_imm4.
544         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
545         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
546         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
547         be a label.
548         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
549         * config/h8300/h8300.c (h8300_reorg): New function.
550         (TARGET_MACHINE_DEPENDENT_REORG): Define.
551         * config/h8300/h8300.md (length): Subtract the length of the
552         delay slot from (pc) when checking the range of forward branches.
553         (delay_slot, can_delay): New attributes.
554         (define_delay): Add bra/s handling.
555         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
556         (jump): Add delayed-branch handling.
557         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
558         * expr.c (expand_strcpy): New function.
559         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
560         (expand_builtin_stpcpy): Likewise.
561         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
562         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
563         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
564         handling to improve register allocation for -fno-omit-frame-pointer.
565         (h8sx_split_movmd): Delete, moving er6 handling into...
566         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
567         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
568         (movmd): Add calls to copy_rtx.
569         (movmd_internal): In the second alternative, allow the initial and
570         final destination registers to be different .  Update the splitter
571         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
572         instead of h8sx_split_movmd.
573         (stpcpy, movsd): New expanders.
574         (movsd_internal): New define_insn.
575         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
576         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
577         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
578         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
579         and DESTINATION_REGS.
580         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
581         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
582         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
583         (h8300_move_ratio): Declare.
584         (MOVE_RATIO): Use it.
585         * config/h8300/h8300.c (h8300_move_ratio): New variable.
586         (h8300_init_once): Initialize it.
587         (h8300_reg_class_from_letter): New function.
588         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
589         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
590         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
591         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
592         (movstrsi, movmd): New expanders.
593         (movmd_internal): New insn.
594         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
595         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
596         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
597         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
598         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
599         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
600         * config/h8300/h8300.c (nibble_operand): Fix warning.
601         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
602         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
603         (movsf_h8300h): Disable for TARGET_H8300SX.
604         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
605         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
606         h8300_stm_parallel and h8300_return_parallel.
607         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
608         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
609         h8300_stm_parallel, h8300_return_parallel): New functions.
610         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
611         if TARGET_H8300SX.  Use h8300_push_pop.
612         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
613         and final pop when generating h8sx code.  Always emit some form
614         of return insn.
615         * config/h8300/h8300.md: Don't enforce register alignment in
616         stm peepholes if TARGET_H8300SX.
617         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
618         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
619         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
620         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
621         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
622         (MULTILIB_DIRNAMES): Add a directory for it.
623         (MULTILIB_MATCHES): Delete.
624         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
625         * final.c (walk_alter_subreg): Handle addresses with subregs
626         inside a ZERO_EXTEND or AND.
627         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
628         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
629         if TARGET_H8300SX.
630         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
631         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
632         @(dd,Rn.w) and @(dd,ERn.L).
633         (h8300_displacement_size): Take the whole address as argument.
634         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
635         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
636         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
637         (h8sx_mergeable_memrefs_p): Declare.
638         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
639         (HAVE_PRE_INCREMENT): Likewise.
640         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
641         addresses for TARGET_H8300SX,
642         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
643         and POST_DEC.
644         (movb_length_table, movl_length_table): New tables.
645         (movw_length_table): Define to movb_length_table.
646         (h8300_displacement_size): New, split out from...
647         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
648         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
649         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
650         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
651         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
652         (compute_plussi_length, compute_plussi_cc): Update accordingly.
653         (h8sx_unary_shift_operator): Get the mode from the operator.
654         (binary_shift_operator): Likewise.
655         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
656         a memory reference, check whether the reference is offsettable.
657         (length_table): Add movb, movw and movl.
658         (movqi): Add new h8sx pattern.  Don't force one operand to be a
659         register when generating h8sx code.
660         (movhi, movsi, movsf): Likewise.
661         (movstrictqi): Use the length_table attribute.
662         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
663         (addqi3): Split into a define_expand and define_insn.  Don't accept
664         memory operands in the expander.  Use h8300_operands_match_p to
665         check for matching operands in the define_insn.
666         (subqi3, negqi2, one_cmplqi2): Likewise.
667         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
668         in any patterns that are unused in h8sx code.  In the h8sx patterns,
669         use h8300_operands_match_p to check whether operands match.
670         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
671         one_cmpl[hs]i3): Likewise.
672         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
673         in the expander.
674         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
675         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
676         (h8300_insn_length_from_table): Add a second parameter.
677         (output_h8sx_shift): Declare.
678         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
679         (EXTRA_CONSTRAINT): Replace with...
680         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
681         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
682         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
683         and h8sx_binary_shift_operator.
684         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
685         for TARGET_H8300SX.
686         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
687         (bit_memory_operand, fix_bit_operand): Likewise.
688         (h8300_length_table_for_insn): Remove.
689         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
690         instructions.
691         (h8300_short_immediate_length, h8300_binary_length): New functions.
692         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
693         (output_plussi): Use sub to add negative constants.
694         (compute_plussi_length): Adjust accordingly.
695         (h8sx_single_shift_type): New enum.
696         (h8sx_single_shift, h8sx_unary_shift_operator,
697         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
698         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
699         single h8sx instruction.  Return false in this case.
700         * config/h8300/h8300.md (length_table): Add short_immediate.
701         (length): Pass the operand array to h8300_insn_length_from_table.
702         (adjust_length): Assume "no" for insns with a length_table attribute.
703         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
704         (*addhi3_h8300hs): Don't use for h8sx.
705         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
706         and sub.w #xx:3.
707         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
708         1's predicate to nonimmediate_operand.  Only skip default expansion
709         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
710         for single h8sx shift instructions.
711         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
712         * config/h8300/h8300.c (nibble_operand): Split out of...
713         (reg_or_nibble_operand): ... this.
714         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
715         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
716         umulhisi3): Introduce expand, and introduce separate insns for
717         sign- or zero-extended REG and already-extended CONST_INT.
718         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
719         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
720         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
721         (subhi3): Likewise.  Don't accept immediates for operand 1.
722         Remove the early clobber from second alternative of the h8300s pattern.
723         (subsi3): Generalize for h8sx.  Force operand 2 into a register
724         on plain h8300 targets.
725         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
726         (subsi3_h8300h): Generalize for h8sx.
727         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
728         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
729         * config/h8300/h8300.c (reg_or_nibble_operand): New.
730         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
731         (TARGET_H8300SXMUL): New.
732         (CONST_OK_FOR_P): New.
733         (CONST_OK_FOR_LETTER_P): Adjust.
734         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
735         umulhisi3): Accept 4-bit immediate on H8SX.
736         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
737         (udivsi3, divhi3, udivsi3, divsi3): New.
738         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
739         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
740         * config/h8300/h8300.h (OK_FOR_Q): New macro.
741         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
742         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
743         Add ADDRESSOF to the bit_operand entry.
744         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
745         (h8300_src_operand): Likewise.
746         (bit_operand): Check nonimmediate_operand rather than general_operand.
747         Accept any nonimmediate_operand in h8sx code.
748         (h8300_and_costs): Initialize operands[1].
749         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
750         (h8300_operand_class): New enum.
751         (h8300_length_table): New typedef.
752         (addb_length_table, addw_length_table, addl_length_table,
753         logicl_length_table): New tables.
754         (logicb_length_table, logicw_length_table): New macros.
755         (h8300_classify_operand, h8300_length_from_table,
756         h8300_length_table_for_insn, h8300_unary_length,
757         h8300_insn_length_from_table): New functions.
758         (output_plussi): Only use adds and subs for register destinations.
759         Disable redundant clause.
760         (compute_plussi_cc): Likewise.
761         (compute_plussi_length): Likewise.  Use h8300_length_from_table
762         to work out the length of an insn.
763         (output_logical_op): Only use narrower immediate instructions
764         if the destination is a register.
765         (compute_logical_op_cc): Likewise.
766         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
767         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
768         * config/h8300/h8300.md (length_table): New attribute.
769         (length): When an instruction has a length_table attribute, use
770         h8300_insn_length_from_table to calculate its default length.
771         (cmpqi): Use h8300_dst_operand for the first operand and
772         h8300_src_operand for the second.
773         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
774         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
775         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
776         iorsi3, xorhi3, xorsi3): Likewise.
777         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
778         so that it allows any combination of operands for TARGET_H8300SX.
779         (iorqi3, xorqi3): Likewise.
780         (cmpqi): Use the length_table attribute.
781         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
782         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
783         (cmpqi): Add 'Q' constraint.
784         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
785         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
786         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
787         * config/h8300/h8300.h (MASK_H8300SX): New macro.
788         (TARGET_H8300S): True for both -ms and -msx.
789         (TARGET_H8300SX): New macro.
790         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
791         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
792         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
793         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
794         [Temporary change.]
795         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
796         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
797         16-bit pointers and 32-bit ints.
798         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
799         CONST_DOUBLE with mode no wider than SImode.
800         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
801         output operand.
802         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
803         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
804         or SUBREG thereof.
805         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
806         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
807         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
809 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
811         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
813 2004-07-07  Per Bothner  <per@bothner.com>
815         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
817 2004-07-07  Mike Stump  <mrs@apple.com>
819         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
820         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
821         (machopic_finish): Likewise.
823 2004-07-07  Richard Henderson  <rth@redhat.com>
825         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
826         through any value-preserving cast.
828 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
830         * function.c (assign_parm_find_data_types): Call
831         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
833 2004-07-07  Steven Bosscher  <stevenb@suse.de>
835         * tree-cfg.c (group_case_labels): Remove case labels that have
836         the same target as the default case.
838 2004-07-07  Steven Bosscher  <stevenb@suse.de>
840         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
841         regardless of DECL_LANG_SPECIFIC being present or not.
842         * tree.h (DECL_NUM_STMTS): Purge.
844 2004-07-07  Andrew Pinski  <apinski@apple.com>
846         * configure: Regenerate with the right autoconf.
848 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
850         * ifcvt.c (total_bb_rtx_cost): New function.
851         (find_if_case_1): Compare rtx_cost of basic block to cost of
852         BRANCH_COST insns.
853         (find_if_case_2): Same.
855 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
857         PR target/10567
858         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
859         (output_return): Likewise.
860         (output_sibcall): Abort if !flag_delayed_branch.
861         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
862         (emit_and_preserve): New function.
863         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
864         indirect jump to the thunked-to function if !flag_delayed_branch.
865         * config/sparc/sparc.md (delayed_branch): New attribute.
866         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
867         attribute to compute the length of the insn.
868         (goto_handler_and_restore): Likewise.
870 2004-07-07  Andrew Pinski  <apinski@apple.com>
872         PR tree-optimization/15777
873         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
875         * expr.c (expand_expr_real_1): Fix formating.
876         BUFFER_REF and IN_EXPR are dead.
877         * fold-const.c (non_lvalue): BUFFER_REF is dead.
878         * tree-inline.c (estimate_num_insns_1): Likewise.
879         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
880         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
881         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
883 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
885         * collect2.c (dump_file): Don't call cplus_demangle if
886         HAVE_LD_DEMANGLE is defined.
887         (main): Pass "--demangle" to ld if no_demangle is not 0 and
888         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
889         if HAVE_LD_DEMANGLE is defined.
891         * configure.ac (--with-demangler-in-ld): Added
892         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
893         --with-demangler-in-ld is used.
894         * config.in: Regenerated.
895         * configure: Likewise.
897 2004-07-07  Roger Sayle  <roger@eyesopen.com>
899         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
900         for simple floating point operations "fp", double precision
901         multiplication "dmul", and single and double precision division
902         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
903         (ppc630_cost): New table split from ppc620_cost, to distinguish
904         differences in floating point latencies.
905         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
906         (rs6000_rtx_costs): Add support for single and double precision
907         floating point addition, subtraction, multiplication, division,
908         fused-multiply-add, fused-multiply-sub, negation, absolute value
909         and negative absolute value.  Tweak MEM case to use prefered idiom.
911 2004-07-07  Richard Henderson  <rth@redhat.com>
913         * tree-flow-inline.h (may_propagate_copy): Move...
914         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
915         attempt to copy between types requiring conversion.
916         * tree-flow.h (may_propagate_copy): Update decl.
917         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
919 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
921         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
922         from -mtune= option.
924 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
926         * builtins.c: Rename movstr*, except for movstrict*, to
927         movmem* and clrstr* to clrmem*.
928         * expr.c: Likewise.
929         * expr.h: Likewise.
930         * genopinit.c: Likewise.
931         * integrate.c: Likewise.
932         * local-alloc.c: Likewise.
933         * optabs.c: Likewise.
934         * optabs.h: Likewise.
935         * config/alpha/alpha.h: Likewise.
936         * config/alpha/alpha.md: Likewise.
937         * config/arm/arm-protos.h: Likewise.
938         * config/arm/arm.c: Likewise.
939         * config/arm/arm.md: Likewise.
940         * config/avr/avr.md: Likewise.
941         * config/c4x/c4x.c: Likewise.
942         * config/c4x/c4x.md: Likewise.
943         * config/frv/frv.md: Likewise.
944         * config/i386/i386-protos.h: Likewise.
945         * config/i386/i386.c: Likewise.
946         * config/i386/i386.h: Likewise.
947         * config/i386/i386.md: Likewise.
948         * config/i860/i860.c: Likewise.
949         * config/i860/i860.md: Likewise.
950         * config/ip2k/ip2k.md: Likewise.
951         * config/ip2k/libgcc.S: Likewise.
952         * config/ip2k/t-ip2k: Likewise.
953         * config/m32r/m32r.c: Likewise.
954         * config/m32r/m32r.md: Likewise.
955         * config/mcore/mcore.md: Likewise.
956         * config/mips/mips.c: Likewise.
957         * config/mips/mips.md: Likewise.
958         * config/ns32k/ns32k.c: Likewise.
959         * config/ns32k/ns32k.h: Likewise.
960         * config/ns32k/ns32k.md: Likewise.
961         * config/pa/pa.c: Likewise.
962         * config/pa/pa.md: Likewise.
963         * config/pdp11/pdp11.h: Likewise.
964         * config/pdp11/pdp11.md: Likewise.
965         * config/rs6000/rs6000.c: Likewise.
966         * config/rs6000/rs6000.md: Likewise.
967         * config/s390/s390-protos.h: Likewise.
968         * config/s390/s390.c: Likewise.
969         * config/s390/s390.md: Likewise.
970         * config/sh/lib1funcs.asm: Likewise.
971         * config/sh/sh.c: Likewise.
972         * config/sh/sh.md: Likewise.
973         * config/sh/t-sh: Likewise.
974         * config/sparc/sparc.h: Likewise.
975         * config/vax/vax.md: Likewise.
976         * config/xtensa/xtensa.c: Likewise.
977         * config/xtensa/xtensa.md: Likewise.
978         * doc/invoke.texi: Likewise.
979         * doc/md.texi: Likewise.
980         * doc/rtl.texi: Likewise.
982 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
984         PR target/16407
985         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
986         * config/mips/mips.c (mips_declare_common_object): New function,
987         mostly split out from...
988         (mips_output_aligned_decl_common): ...here.
989         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
990         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
991         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
992         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
994 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
996         PR c/16392
997         * function.c (assign_parms): Fix typo from previous change.
999 2004-07-07  Jason Merrill  <jason@redhat.com>
1001         PR c++/15815
1002         * doc/extend.texi (C++ Interface): Correct information and
1003         discourage use.
1005 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
1007         PR target/16130
1008         PR target/16142
1009         PR target/16143
1010         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
1011         insn.
1013 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1015         PR target/1679.
1016         * config/m32r/m32r.c (m32r_function_symbol): New function:
1017         Generate a symbol name RTX with the correct m32r specific flags
1018         set.
1019         (block_move_call): Use new function to generate correct symbol.
1020         * config/m32r/m32r-protos.h: Add prototype for new funcion.
1021         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
1022         function.
1024 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
1026         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
1027         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
1028         TYPE_BINFO_BASETYPE): Remove.
1029         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
1030         to ...
1031         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
1032         here.
1033         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
1034         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
1035         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
1036         (struct tree_binfo): Rename base_types to base_binfos.
1037         * alias.c (record_component_aliases): Adjust BINFO macros.
1038         * dbxout.c (dbxout_type): Likewise.
1039         * dwarf2out.c (gen_member_die): Likewise.
1040         * sdbout.c (sdbout_one_type): Likewise.
1041         * tree-dump.c (deque_and_dump): Likewise.
1042         * config/i386/i386.c (classify_argument,
1043         contains_128bit_aligned_vector_p): Likewise.
1045 2004-07-07  Nick Clifton  <nickc@redhat.com>
1047         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
1048         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
1050 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
1052         * vec.h: Fix the example use.
1054 2004-07-06  Richard Henderson  <rth@redhat.com>
1056         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
1057         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
1058         * tree-inline.c (copy_body_r, setup_one_parameter,
1059         initialize_inlined_parameters, expand_call_inline,
1060         declare_inline_vars): Don't check it.
1061         (expand_calls_inline): Remove old version, rename new version
1062         from gimple_expand_calls_inline.
1063         * tree-optimize.c (execute_gimple): Remove.
1064         (pass_gimple): Don't run anything.
1066 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
1068         * doc/sourcebuild.texi: Use semicolons instead of commas in
1069         section title.
1071 2004-07-06  Richard Henderson  <rth@redhat.com>
1073         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
1074         (sra_walk_modify_expr, scan_init): Likewise.
1075         (generate_element_zero): Check visited before scanning children.
1076         (generate_element_init): Set visited on error.
1077         (scalarize_init): Handle generate_element_init failure similar
1078         to use_block_copy.
1080 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
1082         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
1083         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
1085 2004-07-06  Richard Henderson  <rth@redhat.com>
1087         * config/i386/i386.c (legitimize_pic_address): Make static.
1088         (legitimize_address): Handle CONST with TLS operand.
1089         (ix86_expand_move): Don't call legitimize_pic_address directly.
1090         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
1092 2004-07-06  Roger Sayle  <roger@eyesopen.com>
1094         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
1095         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
1096         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
1097         is currently executed unconditionally, i.e. not in "else_bb".
1099 2004-07-06  Steven Bosscher  <stevenb@suse.de>
1101         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
1102         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1103         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
1104         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1105         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
1106         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1107         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
1108         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1109         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
1110         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1111         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
1112         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1113         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
1114         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1115         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
1116         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1118 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
1120         * dojump.c (do_jump): REFERENCE_EXPR is dead.
1121         * expr.c (expand_expr_real_1): Ditto.
1122         * tree-inline.c (estimate_num_insns_1): Ditto.
1123         * tree-pretty-print.c (dump_generic_node): Ditto.
1124         (op_symbol): Ditto.
1125         * tree.def: Ditto.
1127 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
1129         * tree-ssa-pre.c (reference_node_pool): New pool.
1130         (find_or_generate_expression): Class 'r' is okay too.
1131         (create_value_expr_from): Ditto.
1132         (add_to_sets): LHS should not include vuses.
1133         (eliminate): Ditto.
1134         (compute_avail): Reverse ordering of tests.
1135         Valuize INDIRECT_REF as well.
1137 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
1139         PR rtl-optimization/16380
1140         * loop.c (check_dbra_loop): Sink comparison instructions if they
1141         do something other than set cc0.
1143 2004-07-06  James E Wilson  <wilson@specifixinc.com>
1145         * doc/interface.texi (longjmp and automatic variables): Delete
1146         paragraph recommending taking the address of a variable.
1148 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
1150         * vec.h (VEC_embedded_alloc): Remove.
1151         (VEC_embedded_size, VEC_embedded_init): New.
1152         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
1153         MEM_STAT_INFO.
1154         (VEC_truncate): New.
1155         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
1156         (vec_embedded_alloc): Remove.
1157         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
1158         (vec_embedded_alloc): Remove.
1160 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
1162         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
1163         (gt-langhooks.h): Remove.
1165 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
1167         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
1169 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
1171         * config/sparc/sparc.c (get_pc_symbol): Rename into
1172         add_pc_to_pic_symbol.
1173         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
1174         (load_pic_register): Account for previous changes.
1175         Use reg_names.  Don't create the label twice.
1176         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
1177         UNSPEC_LOAD_PCREL_SYM.
1178         (get_pc): Rename into load_pcrel_sym.  Add predicate to
1179         operands.  Remove condition.
1181 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
1183         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
1184         RECORD, UNION & QUAL_UNION is actually a binfo.
1186         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
1187         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
1188         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
1189         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
1190         * dwarf2out.c (add_data_member_location_attribute): Likewise.
1191         (gen_inheritance_die): Likewise.
1192         * tree-dump.c (deque_and_dump): Likewise.
1193         * doc/c-tree.texi (Binfos): Add under reconstruction note.
1195 2004-07-06  Steven Bosscher  <stevenb@suse.de>
1197         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
1198         Define.
1199         * config/mcore/mcore.md: Model memory latency with a simple DFA
1200         pipeline description instead of a define_function_unit.
1202 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1204         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
1205         * langhooks.h (var_mod_type_p): Likewise.
1206         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
1207         * expr.c (count_type_elements): Properly handle return from
1208         array_type_nelts and properly test for overflow.
1209         * gimplify.c (gimplify_init_constructor): Properly handle return
1210         from array_type_nelts.
1211         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
1212         * integrate.c (copy_decl_for_inlining): Correct comments.
1213         * tree-inline.c (remap_decl): Update comments, remove dead code,
1214         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
1215         (remap_type): Only remap if variably modified by vars in function
1216         being inlined.
1217         (copy_body_r): Use compatible_type langhooks to see when can fold.
1218         (setup_one_parameter): Don't remap type.
1219         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
1220         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
1221         compute TREE_INVARIANT for decl case.
1222         (find_var_from_fn): New function.
1223         (variably_modified_type_p): Add arg and call new function.
1224         * tree.h (variably_modified_type_p): Add extra arg.
1226 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1228         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
1229         (goto_handler_and_restore_v9): Delete disabled insn.
1230         (goto_handler_and_restore_v9_sp64): Likewise.
1232 2004-07-05  Roger Sayle  <roger@eyesopen.com>
1234         * calls.c (load_register_parameters): Call expand_shift instead
1235         of expand_binop with ashl_optab (or other shift optab) directly.
1236         * expr.c (emit_group_load, emit_group_store): Likewise.
1237         * function.c (assign_parm_setup_block): Likewise.
1238         * stmt.c (shift_return_value): Likewise.
1240 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
1242         * expr.c (expand_assignment): Disable the bitfield += optimizations.
1244 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
1246         * doc/sourcebuild.texi: Revert previous patch.
1248 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
1250         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
1251         TARGET_MEM_FUNCTIONS.
1252         * system.h: Poison TARGET_MEM_FUNCTIONS.
1253         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
1254         bcmp_libfunc, bzero_libfunc): Remove.
1255         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
1256         bzero_libfunc.
1257         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
1258         * doc/standards.texi: Don't mention calling BSD string functions.
1259         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
1260         * config/vax/t-memfuncs: New.
1261         * config/memcmp.c, config/memcpy.c, config/memmove.c,
1262         config/memset.c: New.
1263         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
1264         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
1265         vax/t-memfuncs.
1266         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
1267         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
1268         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
1269         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
1270         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
1271         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
1272         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
1273         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
1274         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
1275         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
1277 2004-07-05  Richard Henderson  <rth@redhat.com>
1279         * function.c (assign_parm_setup_reg): Properly rename variables in
1280         FUNCTION_ARG_CALLEE_COPIES section.
1282 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
1284         * tree-mudflap.c: Include cgraph.h.
1285         (mf_init_extern_trees): Rename to mudflap_init.  Export.
1286         Rewrite to create synthetic declarations instead of looking
1287         up declarations from mf-runtime.h.
1288         (mf_make_builtin, mf_make_cache_struct_type): New functions.
1289         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
1290         Correct commentary.
1291         (execute_mudflap_function_decls, mudflap_register_call):
1292         Don't call mf_init_extern_trees.
1293         (mudflap_finish_file): Use cgraph_build_static_cdtor.
1295         * tree-mudflap.h: Update prototypes.
1296         * c-mudflap.c: Delete file.
1297         * c-common.c: Include tree-mudflap.h.
1298         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
1299         * Makefile.in: Remove all references to c-mudflap.o.
1300         Update dependencies.
1302 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1304         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
1305         displacements with the spatial-locality cache-control completer.
1307 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
1309         * langhooks.c: Don't include gt-langhooks.h.
1310         (var_labelno): Delete.
1311         (lhd_set_decl_assembler_name): Do not append a distinguishing
1312         number to file-scope internal-linkage declarations for the first
1313         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
1314         the declaration itself (if at block scope), or its containing
1315         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
1316         number.
1318         * opts.c (cur_in_fname): New global.
1319         * opts.h: Declare it.
1320         * tree.c: Include opts.h.
1321         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
1322         DECL_UID equal to cur_in_fname.
1323         (copy_node_stat): Do not change DECL_UID when copying a
1324         TRANSLATION_UNIT_DECL.
1325         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
1326         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
1328         * c-decl.c (c_static_assembler_name): Delete.
1329         * c-tree.h (c_static_assembler_name): Delete prototype.
1330         * c-lang.c, objc/objc-lang.c: Don't override
1331         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
1333         * Makefile.in (tree.o): Update dependencies.
1334         (GTFILES): Remove langhooks.c.
1336 2004-07-05  Roger Sayle  <roger@eyesopen.com>
1338         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
1339         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
1340         Normalize "X % C" as "X % -C" for signed modulus and negative C.
1341         Optimize "X % -Y" as "X % Y" for signed modulus.
1342         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
1343         into "((unsigned) X % Y) == 0".
1345 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
1347         * sourcebuild.texi (Config Fragments): Use @comma{} in
1348         cross-reference to section title.
1350 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1352         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
1353         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
1354         (gimplify_target_expr, gimplify_expr): Likewise.
1355         (copy_if_shared_r): No longer need special case for BIND_EXPR.
1356         (unshare_body, unvisit_body): Only look at nested if BODY_P is
1357         whole function.
1358         (gimplify_compound_lval): See if we can strip any useless conversion.
1359         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
1360         from RHS, not LHS.
1361         (gimplify_modify_expr_to_memset): Likewise.
1362         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
1363         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
1364         (declare_inline_vars): Likewise.
1365         (walk_type_fields): New function.
1366         (walk_tree): Use it.
1367         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
1369         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
1370         (sra_walk_modify_expr): Allow init function to fail.
1371         (scan_init): Now returns bool.
1372         (generate_element_init): If can't understand INIT, return false.
1373         (scalarize_init): Return false if generate_element_init does.
1375         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
1376         print bounds.
1378         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
1379         bounds if bounds aren't constant.
1381         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
1383         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
1384         to type hooks; remove bogus PARAMS.
1386 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
1388         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
1389         * dwarf2out.c (add_data_member_location_attribute): Check for
1390         TREE_BINFO.
1391         * tree.c (tree_node_kinds): Add "binfos".
1392         (binfo_lang_slots): New.
1393         (make_node_stat): Add TREE_BINFO.
1394         (make_tree_binfo_stat): New.
1395         (tree_node_structure): Add TREE_BINFO.
1396         * tree.def (TREE_BINFO): New.
1397         * tree.h (REC_OR_UNION_CHECK): Rename to ...
1398         (RECORD_OR_UNION_CHECK): ... here.
1399         (NOT_RECORD_OR_UNION_CHECK): New.
1400         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
1401         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
1402         RECORD_OR_UNION_CHECK.
1403         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
1404         (TYPE_LANG_SLOT_1): New.
1405         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
1406         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
1407         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
1408         (BINFO_ELTS): Remove.
1409         (BINFO_LANG_SLOT): New.
1410         (struct tree_binfo): New.
1411         (binfo_lang_slots): Declare.
1412         (enum tree_node_structure_enum): Add TS_BINFO.
1413         (union tree_node): Add binfo.
1414         (make_tree_binfo_stat): Declare.
1415         (make_tree_binfo): New.
1416         (enum tree_node_kind): Add binfo_kind.
1418         * objc/objc-act.c (start_class, objc_declare_protocols,
1419         start_protocols): Use TYPE_LANG_SLOT_1.
1420         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
1421         to ...
1422         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
1423         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
1424         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
1425         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
1427 2004-07-05  Steven Bosscher  <stevenb@suse.de>
1429         * rtl.h (struct rtx_def): Remove the integrated flag.
1430         Use the return_val flag for MEM_SCALAR_P.
1431         Reshuffle and update flags in CLEAR_RTX_FLAGS.
1433 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
1435         PR target/16357
1436         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
1437         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
1438         move_by_pieces.
1440 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
1442         * var-tracking.c: Fix some comments.
1443         (frame_stack_adjust): New.
1444         (vt_stack_adjustments): Init stack_adjust of entry block to
1445         minus stack adjustment of function prologue.
1446         (adjust_stack_reference): Do not adjust if adjustment == 0.
1447         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
1448         (emit_notes_in_bb): Likewise.
1449         (vt_add_function_parameters): Do not adjust locations of
1450         function arguments.
1451         (vt_initialize): Compute the stack adjustment of function
1452         prologue and offset the initial "location" of frame_base_decl
1453         from the stack pointer after prologue.
1455 2004-07-04  Richard Henderson  <rth@redhat.com>
1457         * function.c (struct assign_parm_data_all): New.
1458         (struct assign_parm_data_one): New.
1459         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
1460         assign_parm_find_data_types, assign_parms_setup_varargs,
1461         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
1462         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
1463         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
1464         assign_parm_setup_block, assign_parm_setup_reg,
1465         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
1466         (assign_parms): ... here.
1468 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
1470         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
1471         now are bitmap_set_t's.
1472         (bitmap_insert_into_set): No point in inserting the value if
1473         it's invariant.
1474         (bitmap_set_contains): New function.
1475         (bitmap_set_replace_value): Add comment on why we do it
1476         this way.
1477         (set_contains): Removed.
1478         (bitmap_set_subtract_from_value_set): New name of
1479         set_subtract now that it's arguments are two different
1480         types of sets.
1481         Update callers.
1482         (bitmap_find_leader): Change algorithm used.
1483         (find_or_generate_expression): Update use of functions for new
1484         bitmap sets.
1485         (create_expression_by_pieces): Ditto.
1486         (insert_aux): Ditto.
1487         (insert): Ditto.
1488         (add_to_sets): Ditto.
1489         (init_pre): Ditto.
1490         (execute_pre): Ditto.
1491         (compute_avail): Ditto.
1492         Also ignore virtual phis.
1494 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
1496         * combine.c (simplify_comparison): Fix comment typo.
1498 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
1500         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
1501         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
1502         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
1503         (output_restore): Change parameter from 'insn' to 'pat'.
1504         (output_return): Adjust call to output_restore.
1505         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
1506         Adjust call to output_restore.
1508 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
1510         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
1511         and assert system is bsd.
1513 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
1515         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
1516         (TARGET_SWITCHES): Remove -mdebugc.
1517         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
1518         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
1519         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
1520         (sle_[sd]i_reg): Delete.
1522 2004-07-04  Steven Bosscher  <stevenb@suse.de>
1524         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
1525         Define.
1526         * config/iq2000/iq2000.md: Translate old pipeline description to an
1527         equivalent new one.
1529 2004-07-04  Roger Sayle  <roger@eyesopen.com>
1531         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
1532         Ensure the replacement rhs is valid gimple before performing
1533         the substitution.  Return false if these sanity checks fail.
1534         (fold_stmt): Only set changed to true, if set_rhs returns true.
1535         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
1536         succeeds.
1538 2004-07-04  Richard Henderson  <rth@redhat.com>
1540         PR c/16348
1541         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
1543 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
1545         * configure.ac (ranlib_flags): New variable.
1546         * Makefile.in (RANLIB_FLAGS): New variable.
1547         (libbackend.a): Use it.
1548         * configure: Regenerated.
1550 2004-07-04  Roger Sayle  <roger@eyesopen.com>
1552         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
1553         a "sign mask" instead of using ashr_optab directly.
1555 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
1557         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
1558         * doc/cppopts.texi: Clarify processing of command-line defines.
1560 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
1562         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
1564 2004-07-04  Richard Henderson  <rth@redhat.com>
1566         * rtl.def (ADDRESSOF): Remove.
1567         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
1568         (find_base_term, memrefs_conflict_p): Likewise.
1569         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
1570         (fold_rtx, cse_insn, set_live_p): Likewise.
1571         * dwarf2out.c (mem_loc_descriptor): Likewise.
1572         (add_location_or_const_value_attribute): Likewise.
1573         * emit-rtl.c (copy_insn_1): Likewise.
1574         * explow.c (memory_address): Likewise.
1575         * expmed.c (store_split_bit_field): Likewise.
1576         * expr.c (expand_expr_real_1): Likewise.
1577         * function.c (instantiate_decl
1578         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
1579         * genrecog.c (preds, validate_pattern): Likewise.
1580         * integrate.c (copy_rtx_and_substitute): Likewise.
1581         * recog.c (general_operand, register_operand): Likewise.
1582         (memory_address_p): Likwise.
1583         * reload1.c (eliminate_regs, elimination_effects): Likewise.
1584         * rtl.c (copy_rtx): Likewise.
1585         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
1586         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
1587         * rtlhooks.c (gen_lowpart_general): Likewise.
1588         * stmt.c (expand_asm_operands): Likewise.
1589         * web.c (entry_register, replace_ref, web_main): Likewise.
1590         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
1591         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
1592         * config/arm/arm.c (thumb_rtx_costs): Likewise.
1593         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
1594         * config/frv/frv.c (move_destination_operand, move_source_operand,
1595         condexec_dest_operand, condexec_source_operand,
1596         condexec_memory_operand): Likewise.
1597         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
1598         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
1599         (destination_xfmode_operand): Likewise.
1600         * config/mips/mips.h (PREDICATE_CODES): Likewise.
1601         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
1602         * config/s390/s390.c (general_s_operand): Likewise.
1603         * config/s390/s390.md (mov*): Likewise.
1604         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
1606         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
1607         * expr.c (expand_expr_real_1): Likewise.
1608         * stmt.c (expand_decl): Likewise.
1609         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1611         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
1612         postponed_insns, put_var_into_stack, put_reg_into_stack,
1613         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
1614         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
1615         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
1616         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
1617         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
1618         purge_bitfield_addressof_replacements, purge_addressof_replacements,
1619         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
1620         struct insns_for_mem_walk_info, insns_for_mem_walk,
1621         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
1622         setjmp_protect_args): Remove.
1623         (push_function_context_to): Don't handle var_refs_queue.
1624         (pop_function_context_from, free_after_compilation): Likewise.
1625         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
1626         (assign_parms, allocate_struct_function): Likewise.
1627         (use_register_for_decl): New.
1628         (expand_function_end): Don't setjmp_protect.
1629         * function.h (struct emit_status): Update commentary.
1630         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
1631         (max_parm_reg, parm_reg_stack_loc): Remove.
1632         * passes.c (DFI_addressof): Remove.
1633         (dump_file_info): Remove addressof.
1634         (rest_of_handle_addressof): Remove.
1635         (rest_of_compilation): Don't call it.
1636         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
1637         * stmt.c (expand_decl): Use use_register_for_decl.
1638         * tree.h: Update decls.
1639         * web.c (mark_addressof): Remove.
1640         * doc/invoke.texi (-dF): Remove.
1642 2004-07-03  Richard Henderson  <rth@redhat.com>
1644         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
1645         instead of gen_mem_addressof.
1646         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
1647         TImode output register.
1649 2004-07-03  Richard Henderson  <rth@redhat.com>
1651         PR tree-optimization/16341
1652         * tree-sra.c (sra_walk_function): Increment to next stmt before
1653         processing the current stmt.
1654         (sra_insert_after): Always use BSI_SAME_STMT.
1656 2004-07-03  Richard Henderson  <rth@redhat.com>
1658         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
1659         fp plus with minus.
1661 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
1663         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
1664         with tree_int_cst_equal.
1666 2004-07-03  Andreas Schwab  <schwab@suse.de>
1668         * config/ia64/ia64.md: Define new attribute "empty".
1669         (prologue_use, nop_x, insn_group_barrier): Set it.
1671         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
1672         skip over "empty" insns.
1674 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1676         * tree-inline.c (initialize_inlined_parameters): Pass proper function
1677         context to gimplify_body.
1678         (walk_tree): Don't walk into types twice.
1679         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
1681         * tree-sra.c (generate_element_init): Remove any useless conversions.
1683         * gimplify.c (gimplify_conversion): Remove stripping useless
1684         conversions from here.
1685         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
1686         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
1687         Unshare before substituting PLACEHOLDER_EXPR.
1688         (gimplify_modify_expr_to_memset): Likewise.
1689         Pass address of TO to memset, not TO itself.
1690         (gimplify_init_constructor): Make copy of OBJECT so we have it each
1691         time we make an expression (to match a PLACEHOLDER_EXPR).
1693         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
1694         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
1695         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
1696         * tree-ssa-dom.c (local_fold): Likewise.
1698         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
1699         * langhooks.h (strct lang_hooks): New field type_max_size.
1700         * function.c (assign_temp): Call it.
1702 2004-07-03  Steven Bosscher  <stevenb@suse.de>
1704         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
1705         * config/sh/sh.md: Convert the SH1 pipeline description to
1706         a DFA model.
1708 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
1710         * c-decl.c (struct c_binding): Remove contour field; add
1711         depth, invisible, nested fields.
1712         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
1713         (B_IN_EXTERNAL_SCOPE): New convenience macros.
1714         (bind): Add invisible and nested arguments. Initialize
1715         new fields of struct c_binding; adjust loop scanning for
1716         insertion point.
1717         (free_binding_and_advance): Clear structure with memset.
1718         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
1719         in file scope, even if it's in external scope too.
1720         (pushdecl): Adjust to match.  Create invisible file-scope
1721         declarations for block-scope forward declarations of static functions.
1722         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
1723         (undeclared_variable, lookup_label, declare_label, define_label)
1724         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
1725         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
1726         (store_parm_decls_oldstyle): Adjust to match.
1727         (diagnose_mismatched_decls): Correct handling of linkage clashes.
1728         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
1730         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
1731         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
1733 2004-07-02  Richard Henderson  <rth@redhat.com>
1735         * c-decl.c (grokdeclarator): Don't frob current_function_decl
1736         around variable_size.
1737         (set_decl_nonlocal): Remove.
1738         (store_parm_decls): Add stmts for pending sizes.
1739         * calls.c (calls_function, calls_function_1): Remove.
1740         (precompute_arguments): Don't call it.
1741         * cfgexpand.c (set_save_expr_context): Remove.
1742         (tree_expand_cfg): Don't call it.
1743         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
1744         (dwarf2out_finish): Likewise.
1745         * expr.c (emit_block_move): Adjust addresses to BLKmode.
1746         (store_constructor): Don't pre-evaluate SAVE_EXPR.
1747         (safe_from_p): Don't queue SAVE_EXPRs.
1748         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
1749         or build plain VAR_DECLs.
1750         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
1751         (fold): Likewise.
1752         (fold_checksum_tree): Don't special-case SAVE_EXPR.
1753         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
1754         (put_var_into_stack): Don't handle SAVE_EXPR.
1755         (gen_mem_addressof): Likewise.
1756         * function.h (struct function): Remove x_save_expr_regs.
1757         (save_expr_regs): Remove.
1758         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
1759         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
1760         * stor-layout.c (variable_size): Don't set it.
1761         (force_type_save_exprs, force_type_save_exprs_1): Remove.
1762         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
1763         all callers.  Don't set SAVE_EXPR_CONTEXT.
1764         * tree-inline.h (remap_save_expr): Update decl.
1765         * tree.c (save_expr): Update build size.
1766         (first_rtl_op): Don't handle SAVE_EXPR.
1767         (unsave_expr_1, contains_placeholder_p): Likewise.
1768         (decl_function_context): Likewise.
1769         * tree.def (SAVE_EXPR): Remove args 1 and 2.
1770         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
1771         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
1773 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
1775         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
1776         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
1777         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
1778         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
1779         some first-person references and patronizing comments.  Based on
1780         printed manual.
1781         * doc/invoke.texi: Don't reference fortran@gnu.org.
1782         * doc/trouble.texi (Warning when a non-void function value is
1783         ignored): Rewrite.  From Russ Allbery and Chris Devers.
1785 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
1787         * tree-ssa-pre.c (bitmap_set_t): New.
1788         (bb_value_sets): avail_out is now a bitmap_set_t.
1789         (bitmap_find_leader): New function.
1790         (bitmap_value_insert_into_set): Ditto.
1791         (bitmap_set_copy): Ditto.
1792         (bitmap_value_replace_in_set): Ditto.
1793         (bitmap_set_contains_value): Ditto.
1794         (bitmap_set_new): Ditto.
1795         (bitmap_set_pool): New pool.
1796         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
1797         (insert_aux): Ditto.
1798         (add_to_sets): Ditto.
1799         (compute_avail): Ditto
1800         (eliminate): Ditto.
1801         (init_pre): Ditto.
1802         (fini_pre): Ditto.
1803         (execute_pre): Ditto.
1805 2004-07-02  Roger Sayle  <roger@eyesopen.com>
1807         * config/rs6000/rs6000.c (struct processor_costs): New structure
1808         used to hold instruction latencies/sizes for processor types.
1809         (rs6000_cost): New global variable pointing to current CPU's costs.
1810         (rs6000_override_options): Initialize rs6000_cost to point to the
1811         appropriate cost table based upon rs6000_cpu and optimize_size.
1812         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
1813         timings inline.
1815 2004-07-02  Richard Henderson  <rth@redhat.com>
1817         * expmed.c (make_tree): Don't use SET_DECL_RTL.
1819 2004-07-02  Steven Bosscher  <stevenb@suse.de>
1821         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
1823 2004-07-01  Richard Henderson  <rth@redhat.com>
1825         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
1826         (alpha_gp_save_rtx): Use assign_stack_local instead of
1827         gen_mem_addressof.
1829 2004-07-01  Richard Henderson  <rth@redhat.com>
1831         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
1832         (alpha_rtx_cost_data): Update to match.
1833         (alpha_rtx_cost_size): New.
1834         (alpha_rtx_costs): Honor optimize_size.
1836 2004-07-01  Richard Henderson  <rth@redhat.com>
1838         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
1839         * cfgexpand.c (tree_expand_cfg): Do it here.
1840         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
1841         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
1842         * config/mips/mips.c (mips_output_mi_thunk): And here.
1843         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
1844         * config/sh/sh.c (sh_output_mi_thunk): And here.
1845         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
1847 2004-07-01  Richard Henderson  <rth@redhat.com>
1849         * tree.def (RTL_EXPR): Remove.
1850         * c-typeck.c (lvalue_p): Don't handle it.
1851         * expr.c (safe_from_p): Likewise.
1852         (expand_expr_real_1): Likewise.
1853         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
1854         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
1855         * gengtype.c (adjust_field_tree_exp): Likewise.
1856         * stmt.c (warn_if_unused_value): Likewise.
1857         * tree-gimple.c (recalculate_side_effects): Likewise.
1858         * tree-pretty-print.c (dump_generic_node): Likewise.
1859         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
1860         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
1861         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
1863         * stmt.c (struct stmt_status): Remove x_last_expr_type,
1864         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
1865         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
1866         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
1867         all the bits that tracked last_expr.
1868         (expand_end_bindings): Don't track last_expr.
1869         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
1870         (clear_last_expr): Remove.
1871         (expand_asm): Don't call it.
1872         (expand_asm_operands, expand_end_cond): Likewise.
1873         (expand_naked_return, expand_null_return_1): Likewise.
1874         * c-typeck.c (c_begin_compound_stmt): Likewise.
1875         * cfgexpand.c (expand_block): Use expand_expr_stmt.
1876         * expr.c (expand_expr_real_1): Likewise.
1877         * tree.h: Update prototypes.
1879         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
1880         (struct emit_status): Remove sequence_rtl_expr.
1881         (struct function): Remove x_rtl_expr_chain.
1882         (seq_rtl_expr, rtl_expr_chain): Remove.
1883         * function.c (struct temp_slot): Remove rtl_expr.
1884         (assign_stack_temp_for_type): Don't set it.
1885         (free_temp_slots, pop_temp_slots): Don't check it.
1886         (free_after_compilation): Don't clear x_rtl_expr_chain.
1887         (fixup_var_refs): Don't search it.
1888         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
1889         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
1890         or seq_rtl_expr.
1891         (push_topmost_sequence): Likewise.
1892         (end_sequence, init_emit): Likewise.
1893         (start_sequence_for_rtl_expr): Remove.
1894         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
1895         * rtl.h (preserve_rtl_expr_result): Remove.
1897 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
1899         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
1900         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
1901         typos.
1903 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1905         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
1906         (STANDARD_STARTFILE_PREFIX_2): Define.
1907         (standard_startfile_prefix_1): Initialize to
1908         STANDARD_STARTFILE_PREFIX_1.
1909         (standard_startfile_prefix_2): Initialize to
1910         STANDARD_STARTFILE_PREFIX_2.
1911         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
1912         (STANDARD_STARTFILE_PREFIX_1): Define.
1913         (STANDARD_STARTFILE_PREFIX_2): Define.
1914         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
1915         (STANDARD_STARTFILE_PREFIX_2): Document.
1917 2004-07-01  Richard Henderson  <rth@redhat.com>
1919         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
1920         in order to disable scalarization.  Instead set a flag and wait
1921         for a candidate decl.
1923 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
1925         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
1926         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
1927         Use terminology "testsuite" and "enumerated".
1929 2004-07-01  Richard Henderson  <rth@redhat.com>
1931         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
1932         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
1933         (initial_return_save): Likewise.
1934         (flush_queued_reg_saves): Remap register numbers.
1935         (dwarf2out_return_reg): Likewise.
1937 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1939         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
1941         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
1942         access functions for lower bound and element size and only output
1943         if lower bound nonzero or element size not same as that of type.
1944         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
1946 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
1948         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
1950 2004-07-01  Per Bothner  <per@bothner.com>
1952         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
1954 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
1956         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
1957         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
1958         first operand.  Don't optimize if the bitfield is volatile.
1960 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
1962         * c-pretty-print.c (pp_c_postfix_expression): Handle
1963         floating-point comparison operators.
1964         (pp_c_expression): Pass floating-point comparison
1965         operators to pp_c_postfix_expression.
1967 2004-07-01  Roger Sayle  <roger@eyesopen.com>
1969         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
1970         rtx_cost instead of "had_mult" to determine whether the transformed
1971         expression is cheaper than the original.
1973 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
1975         * alias.c (get_alias_set, canon_rtx, get_addr,
1976         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
1977         Use MEM_P.
1978         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
1979         expand_builtin): Likewise.
1980         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
1981         Likewise.
1982         * combine.c (can_combine_p, combinable_i3pat, try_combine,
1983         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
1984         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
1985         record_dead_and_set_regs_1, get_last_value_validate,
1986         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
1987         * cse.c (check_dependence, canon_hash, equiv_constant,
1988         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
1989         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
1990         count_reg_usage): Likewise.
1991         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
1992         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
1993         cselib_record_sets): Likewise.
1994         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
1995         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
1996         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
1997         * df.c (df_uses_record): Likewise.
1998         * dojump (do_jump): Likewise.
1999         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
2000         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
2001         decl_start_label): Likewise.
2002         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
2003         operand_subword, change_address_1, make_safe_from): Likewise.
2004         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
2005         stabilize, force_not_mem): Likewise.
2006         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
2007         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
2008         * expr.c (convert_move, convert_modes, emit_block_move,
2009         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
2010         emit_move_insn_1, expand_assignment, store_expr,
2011         store_constructor_field, store_constructor, store_field,
2012         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
2013         Likewise.
2014         * final.c (cleanup_subreg_operands, alter_subreg,
2015         get_mem_expr_from_op): Likewise.
2016         * flow.c (notice_stack_pointer_modification_1,
2017         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
2018         Likewise.
2019         * function.c (mark_temp_addr_taken, preserve_temp_slots,
2020         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
2021         optimize_bit_field, flush_addressof, purge_addressof_1,
2022         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
2023         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
2024         keep_stack_depressed): Likewise.
2025         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
2026         noce_process_if_block, find_memory): Likewise.
2027         * integrate.c (subst_constants, allocate_initial_values): Likewise.
2028         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
2029         update_equiv_regs): Likewise.
2030         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
2031         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
2032         * optabs.c (expand_abs, emit_unop_insn): Likewise.
2033         * passes.c (rest_of_handle_final): Likewise.
2034         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
2035         move2add_note_store): Likewise.
2036         * ra-build.c (detect_remat_webs): Likewise.
2037         * ra-debug.c (dump_static_insn_cost): Likewise.
2038         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
2039         * recog.c (validate_change, apply_change_group, cancel_changes,
2040         validate_replace_rtx_1, general_operand, register_operand,
2041         nonmemory_operand, push_operand, pop_operand, memory_operand,
2042         indirect_operand, asm_operand_ok, offsettable_memref_p,
2043         offsettable_nonstrict_memref_p, constrain_operands,
2044         store_data_bypass_p): Likewise.
2045         * reg-stack.c (subst_stack_regs_pat): Likewise.
2046         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
2047         copy_cost, reg_scan_mark_refs): Likewise.
2048         * regmove.c (optimize_reg_copy_3, stack_memref_p,
2049         combine_stack_adjustments_for_block): Likewise.
2050         * regrename.c (copyprop_hardreg_forward_1): Likewise.
2051         * reload.c (can_reload_into, push_reload, decompose, immune_p,
2052         find_reloads, find_reloads_address, find_reloads_address_1,
2053         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
2054         find_equiv_reg): Likewise.
2055         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
2056         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
2057         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
2058         delete_address_reloads): Likewise.
2059         * resource.c (mark_referenced_resources): Likewise.
2060         * rtlanal.c (get_jump_table_offset, count_occurrences,
2061         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
2062         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
2063         num_sign_bit_copies1): Likewise.
2064         * rtlhooks.c (gen_lowpart_general): Likewise.
2065         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
2066         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
2067         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
2068         sdbout_global_decl): Likewise.
2069         * simplify-rtx.c (simplify_subreg): Likewise.
2070         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
2071         expand_anon_union_decl, expand_end_case_type): Likewise.
2072         * unroll.c (calculate_giv_inc): Likewise.
2073         * var-tracking.c (stack_adjust_offset_pre_post,
2074         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
2075         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
2076         vt_add_function_parameters): Likewise.
2077         * varasm.c (make_var_volatile, notice_global_symbol,
2078         assemble_external, decode_addr_const, mark_weak,
2079         default_encode_section_info): Likewise.
2081 2004-07-01  Steven Bosscher  <stevenb@suse.de>
2083         * stmt.c (check_seenlabel): Remove.
2084         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
2086 2004-07-01  Richard Henderson  <rth@redhat.com>
2088         * function.h (struct function): Remove x_function_call_count.
2089         (function_call_count): Remove.
2090         * calls.c (expand_call): Don't set it.
2091         * integrate.c (copy_rtx_and_substitute): Likewise.
2093         * function.h (struct function): Remove x_cleanup_label.
2094         (cleanup_label): Remove.
2095         * stmt.c (expand_value_return): Don't use it.
2096         * function.c (free_after_compilation): Don't set it.
2097         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
2098         * cfgexpand.c (tree_expand_cfg): Update call.
2099         * tree.h (expand_function_start): Update decl.
2101 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
2103         PR c/1027
2104         * c-lang.c (c_initialize_diagnostics): Move from here ...
2105         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
2106         (c_tree_printer): Use pretty-printer to format %T.
2107         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
2108         before '*' if not C++.
2109         (pp_c_direct_abstract_declarator): Don't try to print array upper
2110         bound for flexible array members.
2111         * c-tree.h: Include "diagnostic.h".
2112         (c_initialize_diagnostics): Declare.
2113         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
2114         * c-format.c (format_type_warning): New function.  Improve
2115         diagnostics for incorrect format argument types.
2116         (check_format_types): Use it.  Add two parameters.  Use the
2117         TYPE_MAIN_VARIANT of wanted_type.
2118         (check_format_info_main): Pass new parameters to
2119         check_format_types.
2120         (struct format_wanted_type): Update comment.
2122 2004-07-01  Nick Clifton  <nickc@redhat.com>
2124         * target.h (struct gcc_target): Add new field to struct cxx:
2125         import_export_class.
2126         * target-def.h (TARGET_CXX): Initialise the new field.
2127         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
2128         the new field.
2129         * doc/tm.texi: Document the new target hook.
2131 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2133         * builtins.c (fold_builtin_classify): Fix typo.
2135 2004-07-01  Richard Henderson  <rth@redhat.com>
2137         * function.c (identify_blocks, identify_blocks_1): Remove.
2138         * function.h (identify_blocks): Remove.
2139         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
2141 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2143         * builtins.c (fold_builtin_classify): New.
2144         (fold_builtin_unordered_cmp): Fix commentary.
2145         (fold_builtin): Use it.
2146         * builtins.def: Define builtins for isnan,
2147         isnanf, isnanl, finite, finitef, finitel,
2148         isinf, isinff, isinfl.
2150 2004-07-01  Richard Henderson  <rth@redhat.com>
2152         * function.h (struct function): Remove dont_emit_block_notes.
2153         * gimple-low.c (lower_function_body): Don't set it.
2154         * cfgexpand.c (expand_block): Don't check it.
2155         * cfglayout.c (insn_locators_initialize): Likewise.
2156         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
2157         * passes.c (rest_of_compilation): Likewise.
2158         * stmt.c (expand_start_bindings_and_block): Likewise.
2159         (expand_end_bindings): Likewise.
2161 2004-07-01  Richard Henderson  <rth@redhat.com>
2163         * cgraph.h (cgraph_build_static_cdtor): Declare.
2164         * cgraphunit.c (cgraph_build_static_cdtor): New.
2165         * c-objc-common.c (build_cdtor): Use it.
2166         * coverage.c (create_coverage): Likewise.
2167         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
2168         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
2170 See ChangeLog.11 for earlier changes.