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1 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2
3         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
4
5 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
6
7         * c-decl.c (static_ctors, static_dtors): Make static.
8         (pop_file_scope): Call c_common_write_pch and
9         cgraph_finalize_compilation_unit here.
10         (build_cdtor): Moved here from c-objc-common.c; simplify.
11         (c_write_global_declarations_1): Clarify comment.
12         (c_write_global_declarations): Close the external scope before
13         doing anything else.  Call build_cdtor, cgraph_optimize, and
14         mudflap_finish_file here.
15         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
16         Clarify comment.
17         * c-objc-common.c: No need to include cgraph.h.
18         (build_cdtor): Moved to c-decl.c.
19         (c_objc_common_finish_file): Delete.
20         * c-tree.h: Update to match.
21         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
22         (generate_static_references): Set TREE_USED before calling finish_decl.
23         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
24         on the static_instances_decl.
25
26 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
27
28         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
29         decls when there is only one input translation unit.
30         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
31         change of 2004-07-05; do not treat declarations with
32         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
33         * opts.c (cur_in_fname): Delete.
34         * opts.h: Likewise.
35         * tree.c: Revert changes of 2004-07-05; no special treatment
36         for TRANSLATION_UNIT_DECLs.
37         * Makefile.in (tree.o): Update dependencies.
38
39 2004-07-08  Roger Sayle  <roger@eyesopen.com>
40
41         * builtins.c (fold_builtin_strcpy): Merge functionality from
42         simplify_builtin_strcpy.  Add additional len argument.  No longer
43         static.  Remove function prototype.
44         (fold_builtin_strncpy): Likewise integrate functionality from
45         simplify_builtin_strncpy.  Add additional slen argument.  No
46         longer static.  Remove function prototype.
47         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
48         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
49         types of "ignore" and "unlocked" parameters to bool.
50         (fold_builtin_1):  Add additional ignore argument.  Call renamed
51         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
52         builtins.  Update arguments to fold_builtin_strncpy and
53         fold_builtin_strcpy.  Add function prototype.
54         (fold_builtin): Add additional Boolean ignore argument to pass
55         to fold_builtin_1.
56         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
57         and fold_builtin_strncpy instead of simplify_builtin_fputs,
58         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
59
60         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
61         simplify_builtin_strncpy): Delete function prototypes.
62         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
63         fold_builtin_strncpy): Add function prototypes here.
64         (fold_builtin): Update function prototype with new "bool ignore".
65
66         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
67         (ccp_fold_builtin):  Update call to fold_builtin.  Call
68         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
69         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
70         simplify_builtin_strncpy respectively.
71         * fold-const.c (fold): Update call to fold_builtin.
72
73 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
74
75         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
76         to strcpy.
77
78         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
79         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
80         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
81         * calls.c: Remove ifdefs of macros above.
82         * functions.c: Likewise.
83         * expr.c: Likewise.
84
85 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
86
87         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
88         (arch attribute): Delete.
89         (current_function_calls_alloca attribute): Rename into calls_alloca.
90         (calls_eh_return): New attribute.
91         (leaf_function): Likewise.
92         (length attribute): Fix formula for sibcalls.
93         (return insn): Correctly compute the 'length' attribute.
94         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
95
96 2004-07-08  Richard Henderson  <rth@redhat.com>
97
98         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
99         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
100         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
101         * tree-eh.c (lower_eh_constructs_1): Likewise.
102         * tree-sra.c (sra_walk_modify_expr): Likewise.
103         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
104         (eliminate_unnecessary_stmts): Likewise.
105         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
106         * tree-tailcall.c (optimize_tail_call): Likewise.
107         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
108
109 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
110             Jakub Jelinek  <jakub@redhat.com>
111
112         * config/i386/i386.c (override_options): Enable
113         SSE prefetches with -mtune, as long as we are
114         compiling for i686 or higher.  All i686 processors
115         accept SSE prefetches as NOPS, some i586's don't.
116
117 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
118
119         PR target/10567
120         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
121
122 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
123
124         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
125         the handling of clobbering ASM_EXPRs.
126
127 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
128
129         PR target/16430
130         * config/sparc/sparc.c (function_value): In 64-bit mode,
131         return the aggregates larger than 16 bytes like unions.
132
133 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
134
135         PR target/16199
136         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
137         'temp' is zero, generate new pseudos as needed and emit the
138         sequence of insns in single-assignment form.  Resync comments
139         with code.
140         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
141         function before reload.
142
143 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
144
145         * vec.c (vec_assert_fail): Remove duplicate 'function'.
146
147         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
148
149         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
150         Allocation is signed.
151         (VEC_reserve): Return flag, allocation is signed.
152
153 2004-07-08  Richard Henderson  <rth@redhat.com>
154
155         * tree-ssa-ccp.c (fold_stmt): Get type directly from
156         OBJ_TYPE_REF_OBJECT.
157
158 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
159             Neil Booth  <neil@daikokuya.co.uk>
160
161         PR c/2511
162         PR c/3325
163         * c-decl.c (finish_struct): Ensure bit-fields are given the
164         correct type.
165         * c-common.c (c_common_signed_or_unsigned_type): For C, require
166         the precision to match as well as the mode.
167         * expr.c (reduce_to_bit_field_precision): New function.
168         (expand_expr_real_1): Reduce expressions of bit-field type to
169         proper precision.
170         * langhooks.h (reduce_bit_field_operations): New hook.
171         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
172         Define.
173         * c-lang.c, objc/objc-lang.c
174         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
175         * objc/objc-act.c (check_ivars): Convert types to bit-field types
176         before checking.
177         * tree.c (build_nonstandard_integer_type): New function.
178         * tree.h (build_nonstandard_integer_type): New prototype.
179         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
180         conversions between integer and boolean types as useless.
181
182 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
183
184         * c-common.c (c_common_nodes_and_builtins): Do not
185         create __builtin_ptrdiff_t and __builtin_size_t.
186
187 2004-07-08  Andrew Pinski  <apinski@apple.com>
188
189         * Makefile.in (libbackend.o): Add -combine to the gcc
190         command line.
191
192 2004-07-08  Nick Clifton  <nickc@redhat.com>
193
194         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
195         Set to -Os.
196
197 2004-07-08  Richard Henderson  <rth@redhat.com>
198
199         * except.c (expand_eh_region_start, expand_eh_region_end,
200         expand_eh_handler, expand_eh_region_end_cleanup,
201         expand_start_all_catch, expand_start_catch, expand_end_catch,
202         expand_end_all_catch, expand_eh_region_end_allowed,
203         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
204         expand_eh_region_end_fixup): Remove.
205         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
206         cleanups, outer_cleanups, label_chain, exception_region.
207         (struct goto_fixup): Remove stack_level, cleanup_list_list.
208         (struct label_chain): Remove.
209         (struct stmt_status): Remove x_stack_block_stack.
210         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
211         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
212         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
213         end_cleanup_deferral, last_cleanup_this_contour,
214         containing_blocks_have_cleanups_or_stack_level,
215         any_pending_cleanups): Remove.
216         (expand_null_return_1): Take no arguments.
217         (expand_label, expand_naked_return, expand_return,
218         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
219         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
220         expand_end_case_type): Don't use any of them.
221         * calls.c (expand_call): Likewise.
222         * dojump.c (do_jump): Likewise.
223         * function.c (expand_function_end): Likewise.
224         * expr.c (store_expr, expand_expr_real_1): Likewise.
225         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
226         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
227         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
228         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
229         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
230         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
231         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
232         for WITH_CLEANUP_EXPR.
233         (gimple_push_cleanup): Likewise.
234         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
235         * print-tree.c (print_node): Likewise.
236         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
237         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
238         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
239         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
240         (GOTO_SUBROUTINE_EXPR): Remove.
241         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
242         (DECL_TOO_LATE): Remove.
243         * except.h, tree.h: Update decls.
244
245 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
246
247         * explow.c (optimize_save_area_alloca): Do not accept parameters.
248         * passes.c (rest_of_handle_final): Handle symout.
249         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
250         Push timevar here.
251         (rest_of_handle_sched): Break out SMS.  Remove ifs for
252         flag_schedule_insns and flag_modulo_sched.
253         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
254         collect at the end.
255         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
256         (rest_of_handle_partition_blocks, rest_of_handle_sms,
257         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
258         rest_of_handle_mode_switching, rest_of_handle_jump,
259         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
260         rest_of_handle_jump2, rest_of_handle_postreload,
261         rest_of_handle_flow2, rest_of_clean_state,
262         rest_of_handle_shorten_branches,
263         rest_of_handle_prologue_epilogue,
264         rest_of_handle_branch_target_load_optimize): New.
265         (rest_of_compilation): Call the above.  Remove ggc_collect
266         calls moved to rest_of_handle_*.
267         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
268
269         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
270         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
271         * except.h (set_nothrow_function_flags): Update comment.
272         * function.c (current_function_nothrow): Remove.
273         * output.h (current_function_nothrow): Remove.
274         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
275         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
276
277 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
278
279         PR bootstrap/16326
280         * reorg.c: Revert 2004-06-30 change.
281         (find_end_label): If HAVE_epilogue and !HAVE_return,
282         return 0 instead of creating a label at the end of the insn chain.
283         (optimize_skip): Account for the failure mode of find_end_label.
284         (fill_simple_delay_slots): Likewise.
285         (fill_slots_from_thread): Likewise.
286         (relax_delay_slots): Likewise.
287
288 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
289
290         * tree-flow.h (addressable_vars): Declare.
291         * tree-ssa-alias.c (addressable_vars): Define.
292         (setup_pointers_and_addressables): Add addressable variables
293         to addressable_vars.
294         * tree-ssa-operands.c (get_stmt_operands): Move
295         handling of ASM_EXPRs ...
296         (get_asm_expr_operands): ... here.
297         When the ASM_EXPR clobbers memory, also clobber addressable
298         variables.
299         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
300         (delete_tree_ssa): Reset addressable_vars.
301
302 2004-07-07  Jan Beulich  <jbeulich@novell.com>
303             Richard Henderson  <rth@redhat.com>
304
305         * varasm.c (assemble_variable): Use assemble_zeros for
306         zero-initialized variables.
307         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
308         for SECCAT_BSS and SECCAT_TBSS.
309
310 2004-07-07  Jan Beulich  <jbeulich@novell.com>
311
312         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
313
314         * expmed.c (emit_store_flag): Also special-case double-word
315         (in-)equality comparison against -1.
316
317         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
318         passing arguments the containers for which are registers.
319
320         * calls.c (emit_library_call_value_1): Use mode of function parameter
321         rather than that of argument since constants have none.
322
323 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
324
325         Introduce H8SX support.
326         * expr.c (expand_strcpy): Renamed and moved to...
327         * builtins.c (expand_movstr): ... here.  Tweak.
328         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
329         computed or has side effects.
330         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
331         unused, or if mempcpy fails.  Adjust the return value in the
332         latter case.  Use movstr if everything else fails.
333         * doc/md.texi (movstr): Document.
334         (movmemM, clrmemM): Fix explanation of memory block operands.
335         * config/h8300/h8300.md (stpcpy): Renamed to...
336         (movstr): ... this.  Adjust.
337         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
338         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
339         movmem* and clrstr* to clrmem*.
340         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
341         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
342         GENERAL_REGS, always.
343         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
344         getting the stack pointer as addr.
345         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
346         from general_operand_dst.
347         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
348         variant of...
349         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
350         instead of requiring it to match only before reload.
351         (stpcpy_internal_normal): New, normal-mode variant of...
352         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
353         `D' instead of requiring it to match only before reload.
354         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
355         mode argument.
356         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
357         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
358         h8300_get_index.
359         * config/h8300/h8300.md (attr type): Add call.
360         (attr can_delay): If type is call, set it no.
361         (call, call_value): Set type to call.
362         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
363         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
364         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
365         * tree.c (get_narrower): Don't narrow integral types into
366         non-integral types.
367         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
368         frame_size *before* the first use.
369         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
370         on input.
371         (peephole2): Don't widen instructions that push SP.  Move
372         decrement of SP to the end of all stm-generating peepholes.
373         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
374         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
375         and OR to set it to all ones.
376         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
377         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
378         (call, call_value): Set can_delay to "no".
379         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
380         * config/h8300/h8300.md (extzv): Make subreg check more robust.
381         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
382         * config/h8300/h8300.md (*brabit): Remove.
383         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
384         zero_extract.  Use bit_memory_operand as the predicate for
385         operand 1 and 'WU' as the constraint.  Check the difference
386         between the base length and the final one when deciding which
387         type of branch to use.
388         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
389         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
390         Use convert_move to extend the result for TARGET_H8300SX.  Check
391         for QImode memory references.  Optimize the case where the
392         destination is a paradoxical subreg.
393         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
394         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
395         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
396         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
397         * config/h8300/h8300.md: Include mova.md
398         (length_table): Add mova and mova_zero.
399         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
400         after all constant addresses for '%R', '%X', '%T' and '%S'.
401         (h8300_mova_length): New function.
402         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
403         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
404         dependencies for s-config, etc.
405         * config/h8300/gemova.sh: New file.
406         * config/h8300/mova.md: Generated.
407         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
408         * config/h8300/h8300.c (h8300_bitfield_length): New.
409         (nibble_operand): Adjust.
410         (h8300_binary_length): Handle conditional binary op.
411         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
412         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
413         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
414         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
415         constraints.  WU is introduced as a variant of U that requires a
416         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
417         * config/h8300/h8300.md (attr type): Added bitbranch.
418         (attr length_table): Added bitfield and bitbranch.
419         (attr length): Compute bitbranch length.
420         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
421         least-significant bit of a byte.
422         (brabit, brabc, brabs): New.
423         (insv, extzv): Emit bfst and bfld on H8300SX.
424         (bfld, bfst, seq, sne): New.
425         (bstzhireg, cmpstz, bstz, bistz): New.
426         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
427         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
428         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
429         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
430         (h8sx_unary_memory_operator): New function.
431         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
432         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
433         * config/h8300/h8300.md: Add peepholes to combine reloads and
434         arithmetic insns.
435         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
436         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
437         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
438         (and?i, ior?i, xor?i): Likewise.
439         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
440         * config/h8300/h8300.c: Move enums and prototypes to head of file.
441         Various whitespace fixes.
442         (h8300_constant_length): New function, split out from...
443         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
444         (h8300_classify_operand): Use IN_RANGE.
445         (h8300_classify_operand): Use h8300_constant_length.
446         (h8300_short_move_mem_p): Tighten size check.
447         (h8sx_mergeable_memrefs_p): Tighten equality check.
448         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
449         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
450         for -msx.
451         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
452         * config/h8300/crtn.asm: Likewise.
453         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
454         if __H8300SX__ is defined.
455         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
456         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
457         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
458         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
459         addresses as mode-dependent.
460         * config/h8300/h8300.c (print_operand_address): Update call to
461         h8300_get_index.
462         (h8300_get_index): Take a mode argument.  Rework to fix an
463         earlier misunderstanding.
464         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
465         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
466         into a register if TARGET_H8300SX.
467         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
468         TARGET_H8300SX.  Also disable related define_splits.
469         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
470         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
471         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
472         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
473         * config/h8300/h8300.h (OK_FOR_Z): New macro.
474         (EXTRA_CONSTRAINT_STR): Check it.
475         * config/h8300/h8300.c (h8300_classify_operand): Accept null
476         class arguments.
477         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
478         * config/h8300/h8300.md (length_table): Add mov_imm4.
479         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
480         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
481         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
482         be a label.
483         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
484         * config/h8300/h8300.c (h8300_reorg): New function.
485         (TARGET_MACHINE_DEPENDENT_REORG): Define.
486         * config/h8300/h8300.md (length): Subtract the length of the
487         delay slot from (pc) when checking the range of forward branches.
488         (delay_slot, can_delay): New attributes.
489         (define_delay): Add bra/s handling.
490         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
491         (jump): Add delayed-branch handling.
492         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
493         * expr.c (expand_strcpy): New function.
494         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
495         (expand_builtin_stpcpy): Likewise.
496         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
497         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
498         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
499         handling to improve register allocation for -fno-omit-frame-pointer.
500         (h8sx_split_movmd): Delete, moving er6 handling into...
501         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
502         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
503         (movmd): Add calls to copy_rtx.
504         (movmd_internal): In the second alternative, allow the initial and
505         final destination registers to be different .  Update the splitter
506         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
507         instead of h8sx_split_movmd.
508         (stpcpy, movsd): New expanders.
509         (movsd_internal): New define_insn.
510         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
511         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
512         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
513         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
514         and DESTINATION_REGS.
515         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
516         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
517         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
518         (h8300_move_ratio): Declare.
519         (MOVE_RATIO): Use it.
520         * config/h8300/h8300.c (h8300_move_ratio): New variable.
521         (h8300_init_once): Initialize it.
522         (h8300_reg_class_from_letter): New function.
523         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
524         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
525         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
526         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
527         (movstrsi, movmd): New expanders.
528         (movmd_internal): New insn.
529         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
530         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
531         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
532         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
533         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
534         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
535         * config/h8300/h8300.c (nibble_operand): Fix warning.
536         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
537         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
538         (movsf_h8300h): Disable for TARGET_H8300SX.
539         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
540         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
541         h8300_stm_parallel and h8300_return_parallel.
542         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
543         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
544         h8300_stm_parallel, h8300_return_parallel): New functions.
545         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
546         if TARGET_H8300SX.  Use h8300_push_pop.
547         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
548         and final pop when generating h8sx code.  Always emit some form
549         of return insn.
550         * config/h8300/h8300.md: Don't enforce register alignment in
551         stm peepholes if TARGET_H8300SX.
552         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
553         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
554         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
555         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
556         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
557         (MULTILIB_DIRNAMES): Add a directory for it.
558         (MULTILIB_MATCHES): Delete.
559         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
560         * final.c (walk_alter_subreg): Handle addresses with subregs
561         inside a ZERO_EXTEND or AND.
562         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
563         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
564         if TARGET_H8300SX.
565         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
566         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
567         @(dd,Rn.w) and @(dd,ERn.L).
568         (h8300_displacement_size): Take the whole address as argument.
569         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
570         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
571         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
572         (h8sx_mergeable_memrefs_p): Declare.
573         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
574         (HAVE_PRE_INCREMENT): Likewise.
575         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
576         addresses for TARGET_H8300SX,
577         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
578         and POST_DEC.
579         (movb_length_table, movl_length_table): New tables.
580         (movw_length_table): Define to movb_length_table.
581         (h8300_displacement_size): New, split out from...
582         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
583         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
584         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
585         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
586         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
587         (compute_plussi_length, compute_plussi_cc): Update accordingly.
588         (h8sx_unary_shift_operator): Get the mode from the operator.
589         (binary_shift_operator): Likewise.
590         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
591         a memory reference, check whether the reference is offsettable.
592         (length_table): Add movb, movw and movl.
593         (movqi): Add new h8sx pattern.  Don't force one operand to be a
594         register when generating h8sx code.
595         (movhi, movsi, movsf): Likewise.
596         (movstrictqi): Use the length_table attribute.
597         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
598         (addqi3): Split into a define_expand and define_insn.  Don't accept
599         memory operands in the expander.  Use h8300_operands_match_p to
600         check for matching operands in the define_insn.
601         (subqi3, negqi2, one_cmplqi2): Likewise.
602         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
603         in any patterns that are unused in h8sx code.  In the h8sx patterns,
604         use h8300_operands_match_p to check whether operands match.
605         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
606         one_cmpl[hs]i3): Likewise.
607         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
608         in the expander.
609         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
610         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
611         (h8300_insn_length_from_table): Add a second parameter.
612         (output_h8sx_shift): Declare.
613         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
614         (EXTRA_CONSTRAINT): Replace with...
615         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
616         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
617         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
618         and h8sx_binary_shift_operator.
619         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
620         for TARGET_H8300SX.
621         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
622         (bit_memory_operand, fix_bit_operand): Likewise.
623         (h8300_length_table_for_insn): Remove.
624         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
625         instructions.
626         (h8300_short_immediate_length, h8300_binary_length): New functions.
627         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
628         (output_plussi): Use sub to add negative constants.
629         (compute_plussi_length): Adjust accordingly.
630         (h8sx_single_shift_type): New enum.
631         (h8sx_single_shift, h8sx_unary_shift_operator,
632         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
633         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
634         single h8sx instruction.  Return false in this case.
635         * config/h8300/h8300.md (length_table): Add short_immediate.
636         (length): Pass the operand array to h8300_insn_length_from_table.
637         (adjust_length): Assume "no" for insns with a length_table attribute.
638         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
639         (*addhi3_h8300hs): Don't use for h8sx.
640         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
641         and sub.w #xx:3.
642         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
643         1's predicate to nonimmediate_operand.  Only skip default expansion
644         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
645         for single h8sx shift instructions.
646         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
647         * config/h8300/h8300.c (nibble_operand): Split out of...
648         (reg_or_nibble_operand): ... this.
649         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
650         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
651         umulhisi3): Introduce expand, and introduce separate insns for
652         sign- or zero-extended REG and already-extended CONST_INT.
653         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
654         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
655         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
656         (subhi3): Likewise.  Don't accept immediates for operand 1.
657         Remove the early clobber from second alternative of the h8300s pattern.
658         (subsi3): Generalize for h8sx.  Force operand 2 into a register
659         on plain h8300 targets.
660         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
661         (subsi3_h8300h): Generalize for h8sx.
662         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
663         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
664         * config/h8300/h8300.c (reg_or_nibble_operand): New.
665         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
666         (TARGET_H8300SXMUL): New.
667         (CONST_OK_FOR_P): New.
668         (CONST_OK_FOR_LETTER_P): Adjust.
669         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
670         umulhisi3): Accept 4-bit immediate on H8SX.
671         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
672         (udivsi3, divhi3, udivsi3, divsi3): New.
673         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
674         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
675         * config/h8300/h8300.h (OK_FOR_Q): New macro.
676         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
677         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
678         Add ADDRESSOF to the bit_operand entry.
679         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
680         (h8300_src_operand): Likewise.
681         (bit_operand): Check nonimmediate_operand rather than general_operand.
682         Accept any nonimmediate_operand in h8sx code.
683         (h8300_and_costs): Initialize operands[1].
684         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
685         (h8300_operand_class): New enum.
686         (h8300_length_table): New typedef.
687         (addb_length_table, addw_length_table, addl_length_table,
688         logicl_length_table): New tables.
689         (logicb_length_table, logicw_length_table): New macros.
690         (h8300_classify_operand, h8300_length_from_table,
691         h8300_length_table_for_insn, h8300_unary_length,
692         h8300_insn_length_from_table): New functions.
693         (output_plussi): Only use adds and subs for register destinations.
694         Disable redundant clause.
695         (compute_plussi_cc): Likewise.
696         (compute_plussi_length): Likewise.  Use h8300_length_from_table
697         to work out the length of an insn.
698         (output_logical_op): Only use narrower immediate instructions
699         if the destination is a register.
700         (compute_logical_op_cc): Likewise.
701         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
702         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
703         * config/h8300/h8300.md (length_table): New attribute.
704         (length): When an instruction has a length_table attribute, use
705         h8300_insn_length_from_table to calculate its default length.
706         (cmpqi): Use h8300_dst_operand for the first operand and
707         h8300_src_operand for the second.
708         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
709         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
710         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
711         iorsi3, xorhi3, xorsi3): Likewise.
712         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
713         so that it allows any combination of operands for TARGET_H8300SX.
714         (iorqi3, xorqi3): Likewise.
715         (cmpqi): Use the length_table attribute.
716         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
717         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
718         (cmpqi): Add 'Q' constraint.
719         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
720         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
721         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
722         * config/h8300/h8300.h (MASK_H8300SX): New macro.
723         (TARGET_H8300S): True for both -ms and -msx.
724         (TARGET_H8300SX): New macro.
725         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
726         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
727         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
728         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
729         [Temporary change.]
730         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
731         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
732         16-bit pointers and 32-bit ints.
733         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
734         CONST_DOUBLE with mode no wider than SImode.
735         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
736         output operand.
737         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
738         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
739         or SUBREG thereof.
740         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
741         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
742         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
743
744 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
745
746         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
747
748 2004-07-07  Per Bothner  <per@bothner.com>
749
750         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
751
752 2004-07-07  Mike Stump  <mrs@apple.com>
753
754         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
755         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
756         (machopic_finish): Likewise.
757
758 2004-07-07  Richard Henderson  <rth@redhat.com>
759
760         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
761         through any value-preserving cast.
762
763 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
764
765         * function.c (assign_parm_find_data_types): Call
766         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
767
768 2004-07-07  Steven Bosscher  <stevenb@suse.de>
769
770         * tree-cfg.c (group_case_labels): Remove case labels that have
771         the same target as the default case.
772
773 2004-07-07  Steven Bosscher  <stevenb@suse.de>
774
775         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
776         regardless of DECL_LANG_SPECIFIC being present or not.
777         * tree.h (DECL_NUM_STMTS): Purge.
778
779 2004-07-07  Andrew Pinski  <apinski@apple.com>
780
781         * configure: Regenerate with the right autoconf.
782
783 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
784
785         * ifcvt.c (total_bb_rtx_cost): New function.
786         (find_if_case_1): Compare rtx_cost of basic block to cost of
787         BRANCH_COST insns.
788         (find_if_case_2): Same.
789
790 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
791
792         PR target/10567
793         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
794         (output_return): Likewise.
795         (output_sibcall): Abort if !flag_delayed_branch.
796         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
797         (emit_and_preserve): New function.
798         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
799         indirect jump to the thunked-to function if !flag_delayed_branch.
800         * config/sparc/sparc.md (delayed_branch): New attribute.
801         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
802         attribute to compute the length of the insn.
803         (goto_handler_and_restore): Likewise.
804
805 2004-07-07  Andrew Pinski  <apinski@apple.com>
806
807         PR tree-optimization/15777
808         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
809
810         * expr.c (expand_expr_real_1): Fix formating.
811         BUFFER_REF and IN_EXPR are dead.
812         * fold-const.c (non_lvalue): BUFFER_REF is dead.
813         * tree-inline.c (estimate_num_insns_1): Likewise.
814         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
815         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
816         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
817
818 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
819
820         * collect2.c (dump_file): Don't call cplus_demangle if
821         HAVE_LD_DEMANGLE is defined.
822         (main): Pass "--demangle" to ld if no_demangle is not 0 and
823         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
824         if HAVE_LD_DEMANGLE is defined.
825
826         * configure.ac (--with-demangler-in-ld): Added
827         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
828         --with-demangler-in-ld is used.
829         * config.in: Regenerated.
830         * configure: Likewise.
831
832 2004-07-07  Roger Sayle  <roger@eyesopen.com>
833
834         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
835         for simple floating point operations "fp", double precision
836         multiplication "dmul", and single and double precision division
837         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
838         (ppc630_cost): New table split from ppc620_cost, to distinguish
839         differences in floating point latencies.
840         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
841         (rs6000_rtx_costs): Add support for single and double precision
842         floating point addition, subtraction, multiplication, division,
843         fused-multiply-add, fused-multiply-sub, negation, absolute value
844         and negative absolute value.  Tweak MEM case to use prefered idiom.
845
846 2004-07-07  Richard Henderson  <rth@redhat.com>
847
848         * tree-flow-inline.h (may_propagate_copy): Move...
849         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
850         attempt to copy between types requiring conversion.
851         * tree-flow.h (may_propagate_copy): Update decl.
852         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
853
854 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
855
856         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
857         from -mtune= option.
858
859 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
860
861         * builtins.c: Rename movstr*, except for movstrict*, to
862         movmem* and clrstr* to clrmem*.
863         * expr.c: Likewise.
864         * expr.h: Likewise.
865         * genopinit.c: Likewise.
866         * integrate.c: Likewise.
867         * local-alloc.c: Likewise.
868         * optabs.c: Likewise.
869         * optabs.h: Likewise.
870         * config/alpha/alpha.h: Likewise.
871         * config/alpha/alpha.md: Likewise.
872         * config/arm/arm-protos.h: Likewise.
873         * config/arm/arm.c: Likewise.
874         * config/arm/arm.md: Likewise.
875         * config/avr/avr.md: Likewise.
876         * config/c4x/c4x.c: Likewise.
877         * config/c4x/c4x.md: Likewise.
878         * config/frv/frv.md: Likewise.
879         * config/i386/i386-protos.h: Likewise.
880         * config/i386/i386.c: Likewise.
881         * config/i386/i386.h: Likewise.
882         * config/i386/i386.md: Likewise.
883         * config/i860/i860.c: Likewise.
884         * config/i860/i860.md: Likewise.
885         * config/ip2k/ip2k.md: Likewise.
886         * config/ip2k/libgcc.S: Likewise.
887         * config/ip2k/t-ip2k: Likewise.
888         * config/m32r/m32r.c: Likewise.
889         * config/m32r/m32r.md: Likewise.
890         * config/mcore/mcore.md: Likewise.
891         * config/mips/mips.c: Likewise.
892         * config/mips/mips.md: Likewise.
893         * config/ns32k/ns32k.c: Likewise.
894         * config/ns32k/ns32k.h: Likewise.
895         * config/ns32k/ns32k.md: Likewise.
896         * config/pa/pa.c: Likewise.
897         * config/pa/pa.md: Likewise.
898         * config/pdp11/pdp11.h: Likewise.
899         * config/pdp11/pdp11.md: Likewise.
900         * config/rs6000/rs6000.c: Likewise.
901         * config/rs6000/rs6000.md: Likewise.
902         * config/s390/s390-protos.h: Likewise.
903         * config/s390/s390.c: Likewise.
904         * config/s390/s390.md: Likewise.
905         * config/sh/lib1funcs.asm: Likewise.
906         * config/sh/sh.c: Likewise.
907         * config/sh/sh.md: Likewise.
908         * config/sh/t-sh: Likewise.
909         * config/sparc/sparc.h: Likewise.
910         * config/vax/vax.md: Likewise.
911         * config/xtensa/xtensa.c: Likewise.
912         * config/xtensa/xtensa.md: Likewise.
913         * doc/invoke.texi: Likewise.
914         * doc/md.texi: Likewise.
915         * doc/rtl.texi: Likewise.
916
917 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
918
919         PR target/16407
920         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
921         * config/mips/mips.c (mips_declare_common_object): New function,
922         mostly split out from...
923         (mips_output_aligned_decl_common): ...here.
924         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
925         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
926         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
927         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
928
929 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
930
931         PR c/16392
932         * function.c (assign_parms): Fix typo from previous change.
933
934 2004-07-07  Jason Merrill  <jason@redhat.com>
935
936         PR c++/15815
937         * doc/extend.texi (C++ Interface): Correct information and
938         discourage use.
939
940 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
941
942         PR target/16130
943         PR target/16142
944         PR target/16143
945         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
946         insn.
947
948 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
949
950         PR target/1679.
951         * config/m32r/m32r.c (m32r_function_symbol): New function:
952         Generate a symbol name RTX with the correct m32r specific flags
953         set.
954         (block_move_call): Use new function to generate correct symbol.
955         * config/m32r/m32r-protos.h: Add prototype for new funcion.
956         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
957         function.
958
959 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
960
961         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
962         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
963         TYPE_BINFO_BASETYPE): Remove.
964         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
965         to ...
966         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
967         here.
968         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
969         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
970         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
971         (struct tree_binfo): Rename base_types to base_binfos.
972         * alias.c (record_component_aliases): Adjust BINFO macros.
973         * dbxout.c (dbxout_type): Likewise.
974         * dwarf2out.c (gen_member_die): Likewise.
975         * sdbout.c (sdbout_one_type): Likewise.
976         * tree-dump.c (deque_and_dump): Likewise.
977         * config/i386/i386.c (classify_argument,
978         contains_128bit_aligned_vector_p): Likewise.
979
980 2004-07-07  Nick Clifton  <nickc@redhat.com>
981
982         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
983         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
984
985 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
986
987         * vec.h: Fix the example use.
988
989 2004-07-06  Richard Henderson  <rth@redhat.com>
990
991         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
992         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
993         * tree-inline.c (copy_body_r, setup_one_parameter,
994         initialize_inlined_parameters, expand_call_inline,
995         declare_inline_vars): Don't check it.
996         (expand_calls_inline): Remove old version, rename new version
997         from gimple_expand_calls_inline.
998         * tree-optimize.c (execute_gimple): Remove.
999         (pass_gimple): Don't run anything.
1000
1001 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
1002
1003         * doc/sourcebuild.texi: Use semicolons instead of commas in
1004         section title.
1005
1006 2004-07-06  Richard Henderson  <rth@redhat.com>
1007
1008         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
1009         (sra_walk_modify_expr, scan_init): Likewise.
1010         (generate_element_zero): Check visited before scanning children.
1011         (generate_element_init): Set visited on error.
1012         (scalarize_init): Handle generate_element_init failure similar
1013         to use_block_copy.
1014
1015 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
1016
1017         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
1018         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
1019
1020 2004-07-06  Richard Henderson  <rth@redhat.com>
1021
1022         * config/i386/i386.c (legitimize_pic_address): Make static.
1023         (legitimize_address): Handle CONST with TLS operand.
1024         (ix86_expand_move): Don't call legitimize_pic_address directly.
1025         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
1026
1027 2004-07-06  Roger Sayle  <roger@eyesopen.com>
1028
1029         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
1030         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
1031         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
1032         is currently executed unconditionally, i.e. not in "else_bb".
1033
1034 2004-07-06  Steven Bosscher  <stevenb@suse.de>
1035
1036         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
1037         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1038         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
1039         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1040         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
1041         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1042         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
1043         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1044         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
1045         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1046         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
1047         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1048         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
1049         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1050         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
1051         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1052
1053 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
1054
1055         * dojump.c (do_jump): REFERENCE_EXPR is dead.
1056         * expr.c (expand_expr_real_1): Ditto.
1057         * tree-inline.c (estimate_num_insns_1): Ditto.
1058         * tree-pretty-print.c (dump_generic_node): Ditto.
1059         (op_symbol): Ditto.
1060         * tree.def: Ditto.
1061
1062 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
1063
1064         * tree-ssa-pre.c (reference_node_pool): New pool.
1065         (find_or_generate_expression): Class 'r' is okay too.
1066         (create_value_expr_from): Ditto.
1067         (add_to_sets): LHS should not include vuses.
1068         (eliminate): Ditto.
1069         (compute_avail): Reverse ordering of tests.
1070         Valuize INDIRECT_REF as well.
1071
1072 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
1073
1074         PR rtl-optimization/16380
1075         * loop.c (check_dbra_loop): Sink comparison instructions if they
1076         do something other than set cc0.
1077
1078 2004-07-06  James E Wilson  <wilson@specifixinc.com>
1079
1080         * doc/interface.texi (longjmp and automatic variables): Delete
1081         paragraph recommending taking the address of a variable.
1082
1083 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
1084
1085         * vec.h (VEC_embedded_alloc): Remove.
1086         (VEC_embedded_size, VEC_embedded_init): New.
1087         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
1088         MEM_STAT_INFO.
1089         (VEC_truncate): New.
1090         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
1091         (vec_embedded_alloc): Remove.
1092         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
1093         (vec_embedded_alloc): Remove.
1094
1095 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
1096
1097         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
1098         (gt-langhooks.h): Remove.
1099
1100 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
1101
1102         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
1103
1104 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
1105
1106         * config/sparc/sparc.c (get_pc_symbol): Rename into
1107         add_pc_to_pic_symbol.
1108         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
1109         (load_pic_register): Account for previous changes.
1110         Use reg_names.  Don't create the label twice.
1111         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
1112         UNSPEC_LOAD_PCREL_SYM.
1113         (get_pc): Rename into load_pcrel_sym.  Add predicate to
1114         operands.  Remove condition.
1115
1116 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
1117
1118         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
1119         RECORD, UNION & QUAL_UNION is actually a binfo.
1120
1121         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
1122         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
1123         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
1124         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
1125         * dwarf2out.c (add_data_member_location_attribute): Likewise.
1126         (gen_inheritance_die): Likewise.
1127         * tree-dump.c (deque_and_dump): Likewise.
1128         * doc/c-tree.texi (Binfos): Add under reconstruction note.
1129
1130 2004-07-06  Steven Bosscher  <stevenb@suse.de>
1131
1132         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
1133         Define.
1134         * config/mcore/mcore.md: Model memory latency with a simple DFA
1135         pipeline description instead of a define_function_unit.
1136
1137 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1138
1139         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
1140         * langhooks.h (var_mod_type_p): Likewise.
1141         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
1142         * expr.c (count_type_elements): Properly handle return from
1143         array_type_nelts and properly test for overflow.
1144         * gimplify.c (gimplify_init_constructor): Properly handle return
1145         from array_type_nelts.
1146         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
1147         * integrate.c (copy_decl_for_inlining): Correct comments.
1148         * tree-inline.c (remap_decl): Update comments, remove dead code,
1149         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
1150         (remap_type): Only remap if variably modified by vars in function
1151         being inlined.
1152         (copy_body_r): Use compatible_type langhooks to see when can fold.
1153         (setup_one_parameter): Don't remap type.
1154         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
1155         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
1156         compute TREE_INVARIANT for decl case.
1157         (find_var_from_fn): New function.
1158         (variably_modified_type_p): Add arg and call new function.
1159         * tree.h (variably_modified_type_p): Add extra arg.
1160
1161 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1162
1163         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
1164         (goto_handler_and_restore_v9): Delete disabled insn.
1165         (goto_handler_and_restore_v9_sp64): Likewise.
1166
1167 2004-07-05  Roger Sayle  <roger@eyesopen.com>
1168
1169         * calls.c (load_register_parameters): Call expand_shift instead
1170         of expand_binop with ashl_optab (or other shift optab) directly.
1171         * expr.c (emit_group_load, emit_group_store): Likewise.
1172         * function.c (assign_parm_setup_block): Likewise.
1173         * stmt.c (shift_return_value): Likewise.
1174
1175 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
1176
1177         * expr.c (expand_assignment): Disable the bitfield += optimizations.
1178
1179 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
1180
1181         * doc/sourcebuild.texi: Revert previous patch.
1182
1183 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
1184
1185         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
1186         TARGET_MEM_FUNCTIONS.
1187         * system.h: Poison TARGET_MEM_FUNCTIONS.
1188         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
1189         bcmp_libfunc, bzero_libfunc): Remove.
1190         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
1191         bzero_libfunc.
1192         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
1193         * doc/standards.texi: Don't mention calling BSD string functions.
1194         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
1195         * config/vax/t-memfuncs: New.
1196         * config/memcmp.c, config/memcpy.c, config/memmove.c,
1197         config/memset.c: New.
1198         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
1199         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
1200         vax/t-memfuncs.
1201         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
1202         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
1203         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
1204         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
1205         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
1206         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
1207         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
1208         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
1209         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
1210         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
1211
1212 2004-07-05  Richard Henderson  <rth@redhat.com>
1213
1214         * function.c (assign_parm_setup_reg): Properly rename variables in
1215         FUNCTION_ARG_CALLEE_COPIES section.
1216
1217 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
1218
1219         * tree-mudflap.c: Include cgraph.h.
1220         (mf_init_extern_trees): Rename to mudflap_init.  Export.
1221         Rewrite to create synthetic declarations instead of looking
1222         up declarations from mf-runtime.h.
1223         (mf_make_builtin, mf_make_cache_struct_type): New functions.
1224         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
1225         Correct commentary.
1226         (execute_mudflap_function_decls, mudflap_register_call):
1227         Don't call mf_init_extern_trees.
1228         (mudflap_finish_file): Use cgraph_build_static_cdtor.
1229
1230         * tree-mudflap.h: Update prototypes.
1231         * c-mudflap.c: Delete file.
1232         * c-common.c: Include tree-mudflap.h.
1233         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
1234         * Makefile.in: Remove all references to c-mudflap.o.
1235         Update dependencies.
1236
1237 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1238
1239         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
1240         displacements with the spatial-locality cache-control completer.
1241
1242 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
1243
1244         * langhooks.c: Don't include gt-langhooks.h.
1245         (var_labelno): Delete.
1246         (lhd_set_decl_assembler_name): Do not append a distinguishing
1247         number to file-scope internal-linkage declarations for the first
1248         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
1249         the declaration itself (if at block scope), or its containing
1250         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
1251         number.
1252
1253         * opts.c (cur_in_fname): New global.
1254         * opts.h: Declare it.
1255         * tree.c: Include opts.h.
1256         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
1257         DECL_UID equal to cur_in_fname.
1258         (copy_node_stat): Do not change DECL_UID when copying a
1259         TRANSLATION_UNIT_DECL.
1260         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
1261         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
1262
1263         * c-decl.c (c_static_assembler_name): Delete.
1264         * c-tree.h (c_static_assembler_name): Delete prototype.
1265         * c-lang.c, objc/objc-lang.c: Don't override
1266         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
1267
1268         * Makefile.in (tree.o): Update dependencies.
1269         (GTFILES): Remove langhooks.c.
1270
1271 2004-07-05  Roger Sayle  <roger@eyesopen.com>
1272
1273         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
1274         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
1275         Normalize "X % C" as "X % -C" for signed modulus and negative C.
1276         Optimize "X % -Y" as "X % Y" for signed modulus.
1277         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
1278         into "((unsigned) X % Y) == 0".
1279
1280 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
1281
1282         * sourcebuild.texi (Config Fragments): Use @comma{} in
1283         cross-reference to section title.
1284
1285 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1286
1287         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
1288         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
1289         (gimplify_target_expr, gimplify_expr): Likewise.
1290         (copy_if_shared_r): No longer need special case for BIND_EXPR.
1291         (unshare_body, unvisit_body): Only look at nested if BODY_P is
1292         whole function.
1293         (gimplify_compound_lval): See if we can strip any useless conversion.
1294         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
1295         from RHS, not LHS.
1296         (gimplify_modify_expr_to_memset): Likewise.
1297         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
1298         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
1299         (declare_inline_vars): Likewise.
1300         (walk_type_fields): New function.
1301         (walk_tree): Use it.
1302         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
1303
1304         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
1305         (sra_walk_modify_expr): Allow init function to fail.
1306         (scan_init): Now returns bool.
1307         (generate_element_init): If can't understand INIT, return false.
1308         (scalarize_init): Return false if generate_element_init does.
1309
1310         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
1311         print bounds.
1312
1313         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
1314         bounds if bounds aren't constant.
1315
1316         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
1317
1318         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
1319         to type hooks; remove bogus PARAMS.
1320
1321 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
1322
1323         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
1324         * dwarf2out.c (add_data_member_location_attribute): Check for
1325         TREE_BINFO.
1326         * tree.c (tree_node_kinds): Add "binfos".
1327         (binfo_lang_slots): New.
1328         (make_node_stat): Add TREE_BINFO.
1329         (make_tree_binfo_stat): New.
1330         (tree_node_structure): Add TREE_BINFO.
1331         * tree.def (TREE_BINFO): New.
1332         * tree.h (REC_OR_UNION_CHECK): Rename to ...
1333         (RECORD_OR_UNION_CHECK): ... here.
1334         (NOT_RECORD_OR_UNION_CHECK): New.
1335         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
1336         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
1337         RECORD_OR_UNION_CHECK.
1338         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
1339         (TYPE_LANG_SLOT_1): New.
1340         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
1341         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
1342         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
1343         (BINFO_ELTS): Remove.
1344         (BINFO_LANG_SLOT): New.
1345         (struct tree_binfo): New.
1346         (binfo_lang_slots): Declare.
1347         (enum tree_node_structure_enum): Add TS_BINFO.
1348         (union tree_node): Add binfo.
1349         (make_tree_binfo_stat): Declare.
1350         (make_tree_binfo): New.
1351         (enum tree_node_kind): Add binfo_kind.
1352
1353         * objc/objc-act.c (start_class, objc_declare_protocols,
1354         start_protocols): Use TYPE_LANG_SLOT_1.
1355         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
1356         to ...
1357         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
1358         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
1359         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
1360         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
1361
1362 2004-07-05  Steven Bosscher  <stevenb@suse.de>
1363
1364         * rtl.h (struct rtx_def): Remove the integrated flag.
1365         Use the return_val flag for MEM_SCALAR_P.
1366         Reshuffle and update flags in CLEAR_RTX_FLAGS.
1367
1368 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
1369
1370         PR target/16357
1371         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
1372         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
1373         move_by_pieces.
1374
1375 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
1376
1377         * var-tracking.c: Fix some comments.
1378         (frame_stack_adjust): New.
1379         (vt_stack_adjustments): Init stack_adjust of entry block to
1380         minus stack adjustment of function prologue.
1381         (adjust_stack_reference): Do not adjust if adjustment == 0.
1382         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
1383         (emit_notes_in_bb): Likewise.
1384         (vt_add_function_parameters): Do not adjust locations of
1385         function arguments.
1386         (vt_initialize): Compute the stack adjustment of function
1387         prologue and offset the initial "location" of frame_base_decl
1388         from the stack pointer after prologue.
1389
1390 2004-07-04  Richard Henderson  <rth@redhat.com>
1391
1392         * function.c (struct assign_parm_data_all): New.
1393         (struct assign_parm_data_one): New.
1394         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
1395         assign_parm_find_data_types, assign_parms_setup_varargs,
1396         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
1397         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
1398         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
1399         assign_parm_setup_block, assign_parm_setup_reg,
1400         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
1401         (assign_parms): ... here.
1402
1403 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
1404
1405         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
1406         now are bitmap_set_t's.
1407         (bitmap_insert_into_set): No point in inserting the value if
1408         it's invariant.
1409         (bitmap_set_contains): New function.
1410         (bitmap_set_replace_value): Add comment on why we do it
1411         this way.
1412         (set_contains): Removed.
1413         (bitmap_set_subtract_from_value_set): New name of
1414         set_subtract now that it's arguments are two different
1415         types of sets.
1416         Update callers.
1417         (bitmap_find_leader): Change algorithm used.
1418         (find_or_generate_expression): Update use of functions for new
1419         bitmap sets.
1420         (create_expression_by_pieces): Ditto.
1421         (insert_aux): Ditto.
1422         (insert): Ditto.
1423         (add_to_sets): Ditto.
1424         (init_pre): Ditto.
1425         (execute_pre): Ditto.
1426         (compute_avail): Ditto.
1427         Also ignore virtual phis.
1428
1429 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
1430
1431         * combine.c (simplify_comparison): Fix comment typo.
1432
1433 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
1434
1435         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
1436         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
1437         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
1438         (output_restore): Change parameter from 'insn' to 'pat'.
1439         (output_return): Adjust call to output_restore.
1440         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
1441         Adjust call to output_restore.
1442
1443 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
1444
1445         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
1446         and assert system is bsd.
1447
1448 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
1449
1450         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
1451         (TARGET_SWITCHES): Remove -mdebugc.
1452         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
1453         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
1454         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
1455         (sle_[sd]i_reg): Delete.
1456
1457 2004-07-04  Steven Bosscher  <stevenb@suse.de>
1458
1459         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
1460         Define.
1461         * config/iq2000/iq2000.md: Translate old pipeline description to an
1462         equivalent new one.
1463
1464 2004-07-04  Roger Sayle  <roger@eyesopen.com>
1465
1466         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
1467         Ensure the replacement rhs is valid gimple before performing
1468         the substitution.  Return false if these sanity checks fail.
1469         (fold_stmt): Only set changed to true, if set_rhs returns true.
1470         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
1471         succeeds.
1472
1473 2004-07-04  Richard Henderson  <rth@redhat.com>
1474
1475         PR c/16348
1476         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
1477
1478 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
1479
1480         * configure.ac (ranlib_flags): New variable.
1481         * Makefile.in (RANLIB_FLAGS): New variable.
1482         (libbackend.a): Use it.
1483         * configure: Regenerated.
1484
1485 2004-07-04  Roger Sayle  <roger@eyesopen.com>
1486
1487         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
1488         a "sign mask" instead of using ashr_optab directly.
1489
1490 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
1491
1492         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
1493         * doc/cppopts.texi: Clarify processing of command-line defines.
1494
1495 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
1496
1497         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
1498
1499 2004-07-04  Richard Henderson  <rth@redhat.com>
1500
1501         * rtl.def (ADDRESSOF): Remove.
1502         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
1503         (find_base_term, memrefs_conflict_p): Likewise.
1504         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
1505         (fold_rtx, cse_insn, set_live_p): Likewise.
1506         * dwarf2out.c (mem_loc_descriptor): Likewise.
1507         (add_location_or_const_value_attribute): Likewise.
1508         * emit-rtl.c (copy_insn_1): Likewise.
1509         * explow.c (memory_address): Likewise.
1510         * expmed.c (store_split_bit_field): Likewise.
1511         * expr.c (expand_expr_real_1): Likewise.
1512         * function.c (instantiate_decl
1513         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
1514         * genrecog.c (preds, validate_pattern): Likewise.
1515         * integrate.c (copy_rtx_and_substitute): Likewise.
1516         * recog.c (general_operand, register_operand): Likewise.
1517         (memory_address_p): Likwise.
1518         * reload1.c (eliminate_regs, elimination_effects): Likewise.
1519         * rtl.c (copy_rtx): Likewise.
1520         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
1521         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
1522         * rtlhooks.c (gen_lowpart_general): Likewise.
1523         * stmt.c (expand_asm_operands): Likewise.
1524         * web.c (entry_register, replace_ref, web_main): Likewise.
1525         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
1526         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
1527         * config/arm/arm.c (thumb_rtx_costs): Likewise.
1528         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
1529         * config/frv/frv.c (move_destination_operand, move_source_operand,
1530         condexec_dest_operand, condexec_source_operand,
1531         condexec_memory_operand): Likewise.
1532         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
1533         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
1534         (destination_xfmode_operand): Likewise.
1535         * config/mips/mips.h (PREDICATE_CODES): Likewise.
1536         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
1537         * config/s390/s390.c (general_s_operand): Likewise.
1538         * config/s390/s390.md (mov*): Likewise.
1539         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
1540
1541         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
1542         * expr.c (expand_expr_real_1): Likewise.
1543         * stmt.c (expand_decl): Likewise.
1544         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1545
1546         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
1547         postponed_insns, put_var_into_stack, put_reg_into_stack,
1548         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
1549         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
1550         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
1551         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
1552         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
1553         purge_bitfield_addressof_replacements, purge_addressof_replacements,
1554         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
1555         struct insns_for_mem_walk_info, insns_for_mem_walk,
1556         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
1557         setjmp_protect_args): Remove.
1558         (push_function_context_to): Don't handle var_refs_queue.
1559         (pop_function_context_from, free_after_compilation): Likewise.
1560         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
1561         (assign_parms, allocate_struct_function): Likewise.
1562         (use_register_for_decl): New.
1563         (expand_function_end): Don't setjmp_protect.
1564         * function.h (struct emit_status): Update commentary.
1565         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
1566         (max_parm_reg, parm_reg_stack_loc): Remove.
1567         * passes.c (DFI_addressof): Remove.
1568         (dump_file_info): Remove addressof.
1569         (rest_of_handle_addressof): Remove.
1570         (rest_of_compilation): Don't call it.
1571         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
1572         * stmt.c (expand_decl): Use use_register_for_decl.
1573         * tree.h: Update decls.
1574         * web.c (mark_addressof): Remove.
1575         * doc/invoke.texi (-dF): Remove.
1576
1577 2004-07-03  Richard Henderson  <rth@redhat.com>
1578
1579         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
1580         instead of gen_mem_addressof.
1581         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
1582         TImode output register.
1583
1584 2004-07-03  Richard Henderson  <rth@redhat.com>
1585
1586         PR tree-optimization/16341
1587         * tree-sra.c (sra_walk_function): Increment to next stmt before
1588         processing the current stmt.
1589         (sra_insert_after): Always use BSI_SAME_STMT.
1590
1591 2004-07-03  Richard Henderson  <rth@redhat.com>
1592
1593         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
1594         fp plus with minus.
1595
1596 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
1597
1598         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
1599         with tree_int_cst_equal.
1600
1601 2004-07-03  Andreas Schwab  <schwab@suse.de>
1602
1603         * config/ia64/ia64.md: Define new attribute "empty".
1604         (prologue_use, nop_x, insn_group_barrier): Set it.
1605
1606         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
1607         skip over "empty" insns.
1608
1609 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1610
1611         * tree-inline.c (initialize_inlined_parameters): Pass proper function
1612         context to gimplify_body.
1613         (walk_tree): Don't walk into types twice.
1614         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
1615
1616         * tree-sra.c (generate_element_init): Remove any useless conversions.
1617
1618         * gimplify.c (gimplify_conversion): Remove stripping useless
1619         conversions from here.
1620         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
1621         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
1622         Unshare before substituting PLACEHOLDER_EXPR.
1623         (gimplify_modify_expr_to_memset): Likewise.
1624         Pass address of TO to memset, not TO itself.
1625         (gimplify_init_constructor): Make copy of OBJECT so we have it each
1626         time we make an expression (to match a PLACEHOLDER_EXPR).
1627
1628         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
1629         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
1630         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
1631         * tree-ssa-dom.c (local_fold): Likewise.
1632
1633         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
1634         * langhooks.h (strct lang_hooks): New field type_max_size.
1635         * function.c (assign_temp): Call it.
1636
1637 2004-07-03  Steven Bosscher  <stevenb@suse.de>
1638
1639         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
1640         * config/sh/sh.md: Convert the SH1 pipeline description to
1641         a DFA model.
1642
1643 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
1644
1645         * c-decl.c (struct c_binding): Remove contour field; add
1646         depth, invisible, nested fields.
1647         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
1648         (B_IN_EXTERNAL_SCOPE): New convenience macros.
1649         (bind): Add invisible and nested arguments. Initialize
1650         new fields of struct c_binding; adjust loop scanning for
1651         insertion point.
1652         (free_binding_and_advance): Clear structure with memset.
1653         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
1654         in file scope, even if it's in external scope too.
1655         (pushdecl): Adjust to match.  Create invisible file-scope
1656         declarations for block-scope forward declarations of static functions.
1657         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
1658         (undeclared_variable, lookup_label, declare_label, define_label)
1659         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
1660         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
1661         (store_parm_decls_oldstyle): Adjust to match.
1662         (diagnose_mismatched_decls): Correct handling of linkage clashes.
1663         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
1664
1665         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
1666         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
1667
1668 2004-07-02  Richard Henderson  <rth@redhat.com>
1669
1670         * c-decl.c (grokdeclarator): Don't frob current_function_decl
1671         around variable_size.
1672         (set_decl_nonlocal): Remove.
1673         (store_parm_decls): Add stmts for pending sizes.
1674         * calls.c (calls_function, calls_function_1): Remove.
1675         (precompute_arguments): Don't call it.
1676         * cfgexpand.c (set_save_expr_context): Remove.
1677         (tree_expand_cfg): Don't call it.
1678         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
1679         (dwarf2out_finish): Likewise.
1680         * expr.c (emit_block_move): Adjust addresses to BLKmode.
1681         (store_constructor): Don't pre-evaluate SAVE_EXPR.
1682         (safe_from_p): Don't queue SAVE_EXPRs.
1683         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
1684         or build plain VAR_DECLs.
1685         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
1686         (fold): Likewise.
1687         (fold_checksum_tree): Don't special-case SAVE_EXPR.
1688         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
1689         (put_var_into_stack): Don't handle SAVE_EXPR.
1690         (gen_mem_addressof): Likewise.
1691         * function.h (struct function): Remove x_save_expr_regs.
1692         (save_expr_regs): Remove.
1693         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
1694         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
1695         * stor-layout.c (variable_size): Don't set it.
1696         (force_type_save_exprs, force_type_save_exprs_1): Remove.
1697         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
1698         all callers.  Don't set SAVE_EXPR_CONTEXT.
1699         * tree-inline.h (remap_save_expr): Update decl.
1700         * tree.c (save_expr): Update build size.
1701         (first_rtl_op): Don't handle SAVE_EXPR.
1702         (unsave_expr_1, contains_placeholder_p): Likewise.
1703         (decl_function_context): Likewise.
1704         * tree.def (SAVE_EXPR): Remove args 1 and 2.
1705         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
1706         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
1707
1708 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
1709
1710         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
1711         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
1712         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
1713         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
1714         some first-person references and patronizing comments.  Based on
1715         printed manual.
1716         * doc/invoke.texi: Don't reference fortran@gnu.org.
1717         * doc/trouble.texi (Warning when a non-void function value is
1718         ignored): Rewrite.  From Russ Allbery and Chris Devers.
1719
1720 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
1721
1722         * tree-ssa-pre.c (bitmap_set_t): New.
1723         (bb_value_sets): avail_out is now a bitmap_set_t.
1724         (bitmap_find_leader): New function.
1725         (bitmap_value_insert_into_set): Ditto.
1726         (bitmap_set_copy): Ditto.
1727         (bitmap_value_replace_in_set): Ditto.
1728         (bitmap_set_contains_value): Ditto.
1729         (bitmap_set_new): Ditto.
1730         (bitmap_set_pool): New pool.
1731         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
1732         (insert_aux): Ditto.
1733         (add_to_sets): Ditto.
1734         (compute_avail): Ditto
1735         (eliminate): Ditto.
1736         (init_pre): Ditto.
1737         (fini_pre): Ditto.
1738         (execute_pre): Ditto.
1739
1740 2004-07-02  Roger Sayle  <roger@eyesopen.com>
1741
1742         * config/rs6000/rs6000.c (struct processor_costs): New structure
1743         used to hold instruction latencies/sizes for processor types.
1744         (rs6000_cost): New global variable pointing to current CPU's costs.
1745         (rs6000_override_options): Initialize rs6000_cost to point to the
1746         appropriate cost table based upon rs6000_cpu and optimize_size.
1747         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
1748         timings inline.
1749
1750 2004-07-02  Richard Henderson  <rth@redhat.com>
1751
1752         * expmed.c (make_tree): Don't use SET_DECL_RTL.
1753
1754 2004-07-02  Steven Bosscher  <stevenb@suse.de>
1755
1756         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
1757
1758 2004-07-01  Richard Henderson  <rth@redhat.com>
1759
1760         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
1761         (alpha_gp_save_rtx): Use assign_stack_local instead of
1762         gen_mem_addressof.
1763
1764 2004-07-01  Richard Henderson  <rth@redhat.com>
1765
1766         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
1767         (alpha_rtx_cost_data): Update to match.
1768         (alpha_rtx_cost_size): New.
1769         (alpha_rtx_costs): Honor optimize_size.
1770
1771 2004-07-01  Richard Henderson  <rth@redhat.com>
1772
1773         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
1774         * cfgexpand.c (tree_expand_cfg): Do it here.
1775         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
1776         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
1777         * config/mips/mips.c (mips_output_mi_thunk): And here.
1778         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
1779         * config/sh/sh.c (sh_output_mi_thunk): And here.
1780         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
1781
1782 2004-07-01  Richard Henderson  <rth@redhat.com>
1783
1784         * tree.def (RTL_EXPR): Remove.
1785         * c-typeck.c (lvalue_p): Don't handle it.
1786         * expr.c (safe_from_p): Likewise.
1787         (expand_expr_real_1): Likewise.
1788         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
1789         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
1790         * gengtype.c (adjust_field_tree_exp): Likewise.
1791         * stmt.c (warn_if_unused_value): Likewise.
1792         * tree-gimple.c (recalculate_side_effects): Likewise.
1793         * tree-pretty-print.c (dump_generic_node): Likewise.
1794         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
1795         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
1796         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
1797
1798         * stmt.c (struct stmt_status): Remove x_last_expr_type,
1799         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
1800         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
1801         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
1802         all the bits that tracked last_expr.
1803         (expand_end_bindings): Don't track last_expr.
1804         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
1805         (clear_last_expr): Remove.
1806         (expand_asm): Don't call it.
1807         (expand_asm_operands, expand_end_cond): Likewise.
1808         (expand_naked_return, expand_null_return_1): Likewise.
1809         * c-typeck.c (c_begin_compound_stmt): Likewise.
1810         * cfgexpand.c (expand_block): Use expand_expr_stmt.
1811         * expr.c (expand_expr_real_1): Likewise.
1812         * tree.h: Update prototypes.
1813
1814         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
1815         (struct emit_status): Remove sequence_rtl_expr.
1816         (struct function): Remove x_rtl_expr_chain.
1817         (seq_rtl_expr, rtl_expr_chain): Remove.
1818         * function.c (struct temp_slot): Remove rtl_expr.
1819         (assign_stack_temp_for_type): Don't set it.
1820         (free_temp_slots, pop_temp_slots): Don't check it.
1821         (free_after_compilation): Don't clear x_rtl_expr_chain.
1822         (fixup_var_refs): Don't search it.
1823         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
1824         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
1825         or seq_rtl_expr.
1826         (push_topmost_sequence): Likewise.
1827         (end_sequence, init_emit): Likewise.
1828         (start_sequence_for_rtl_expr): Remove.
1829         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
1830         * rtl.h (preserve_rtl_expr_result): Remove.
1831
1832 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
1833
1834         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
1835         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
1836         typos.
1837
1838 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1839
1840         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
1841         (STANDARD_STARTFILE_PREFIX_2): Define.
1842         (standard_startfile_prefix_1): Initialize to
1843         STANDARD_STARTFILE_PREFIX_1.
1844         (standard_startfile_prefix_2): Initialize to
1845         STANDARD_STARTFILE_PREFIX_2.
1846         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
1847         (STANDARD_STARTFILE_PREFIX_1): Define.
1848         (STANDARD_STARTFILE_PREFIX_2): Define.
1849         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
1850         (STANDARD_STARTFILE_PREFIX_2): Document.
1851
1852 2004-07-01  Richard Henderson  <rth@redhat.com>
1853
1854         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
1855         in order to disable scalarization.  Instead set a flag and wait
1856         for a candidate decl.
1857
1858 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
1859
1860         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
1861         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
1862         Use terminology "testsuite" and "enumerated".
1863
1864 2004-07-01  Richard Henderson  <rth@redhat.com>
1865
1866         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
1867         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
1868         (initial_return_save): Likewise.
1869         (flush_queued_reg_saves): Remap register numbers.
1870         (dwarf2out_return_reg): Likewise.
1871
1872 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1873
1874         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
1875
1876         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
1877         access functions for lower bound and element size and only output
1878         if lower bound nonzero or element size not same as that of type.
1879         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
1880
1881 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
1882
1883         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
1884
1885 2004-07-01  Per Bothner  <per@bothner.com>
1886
1887         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
1888
1889 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
1890
1891         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
1892         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
1893         first operand.  Don't optimize if the bitfield is volatile.
1894
1895 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
1896
1897         * c-pretty-print.c (pp_c_postfix_expression): Handle
1898         floating-point comparison operators.
1899         (pp_c_expression): Pass floating-point comparison
1900         operators to pp_c_postfix_expression.
1901
1902 2004-07-01  Roger Sayle  <roger@eyesopen.com>
1903
1904         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
1905         rtx_cost instead of "had_mult" to determine whether the transformed
1906         expression is cheaper than the original.
1907
1908 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
1909
1910         * alias.c (get_alias_set, canon_rtx, get_addr,
1911         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
1912         Use MEM_P.
1913         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
1914         expand_builtin): Likewise.
1915         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
1916         Likewise.
1917         * combine.c (can_combine_p, combinable_i3pat, try_combine,
1918         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
1919         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
1920         record_dead_and_set_regs_1, get_last_value_validate,
1921         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
1922         * cse.c (check_dependence, canon_hash, equiv_constant,
1923         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
1924         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
1925         count_reg_usage): Likewise.
1926         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
1927         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
1928         cselib_record_sets): Likewise.
1929         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
1930         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
1931         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
1932         * df.c (df_uses_record): Likewise.
1933         * dojump (do_jump): Likewise.
1934         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
1935         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
1936         decl_start_label): Likewise.
1937         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
1938         operand_subword, change_address_1, make_safe_from): Likewise.
1939         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
1940         stabilize, force_not_mem): Likewise.
1941         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
1942         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
1943         * expr.c (convert_move, convert_modes, emit_block_move,
1944         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
1945         emit_move_insn_1, expand_assignment, store_expr,
1946         store_constructor_field, store_constructor, store_field,
1947         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
1948         Likewise.
1949         * final.c (cleanup_subreg_operands, alter_subreg,
1950         get_mem_expr_from_op): Likewise.
1951         * flow.c (notice_stack_pointer_modification_1,
1952         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
1953         Likewise.
1954         * function.c (mark_temp_addr_taken, preserve_temp_slots,
1955         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
1956         optimize_bit_field, flush_addressof, purge_addressof_1,
1957         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
1958         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
1959         keep_stack_depressed): Likewise.
1960         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
1961         noce_process_if_block, find_memory): Likewise.
1962         * integrate.c (subst_constants, allocate_initial_values): Likewise.
1963         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
1964         update_equiv_regs): Likewise.
1965         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
1966         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
1967         * optabs.c (expand_abs, emit_unop_insn): Likewise.
1968         * passes.c (rest_of_handle_final): Likewise.
1969         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
1970         move2add_note_store): Likewise.
1971         * ra-build.c (detect_remat_webs): Likewise.
1972         * ra-debug.c (dump_static_insn_cost): Likewise.
1973         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
1974         * recog.c (validate_change, apply_change_group, cancel_changes,
1975         validate_replace_rtx_1, general_operand, register_operand,
1976         nonmemory_operand, push_operand, pop_operand, memory_operand,
1977         indirect_operand, asm_operand_ok, offsettable_memref_p,
1978         offsettable_nonstrict_memref_p, constrain_operands,
1979         store_data_bypass_p): Likewise.
1980         * reg-stack.c (subst_stack_regs_pat): Likewise.
1981         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
1982         copy_cost, reg_scan_mark_refs): Likewise.
1983         * regmove.c (optimize_reg_copy_3, stack_memref_p,
1984         combine_stack_adjustments_for_block): Likewise.
1985         * regrename.c (copyprop_hardreg_forward_1): Likewise.
1986         * reload.c (can_reload_into, push_reload, decompose, immune_p,
1987         find_reloads, find_reloads_address, find_reloads_address_1,
1988         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
1989         find_equiv_reg): Likewise.
1990         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
1991         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
1992         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
1993         delete_address_reloads): Likewise.
1994         * resource.c (mark_referenced_resources): Likewise.
1995         * rtlanal.c (get_jump_table_offset, count_occurrences,
1996         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
1997         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
1998         num_sign_bit_copies1): Likewise.
1999         * rtlhooks.c (gen_lowpart_general): Likewise.
2000         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
2001         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
2002         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
2003         sdbout_global_decl): Likewise.
2004         * simplify-rtx.c (simplify_subreg): Likewise.
2005         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
2006         expand_anon_union_decl, expand_end_case_type): Likewise.
2007         * unroll.c (calculate_giv_inc): Likewise.
2008         * var-tracking.c (stack_adjust_offset_pre_post,
2009         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
2010         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
2011         vt_add_function_parameters): Likewise.
2012         * varasm.c (make_var_volatile, notice_global_symbol,
2013         assemble_external, decode_addr_const, mark_weak,
2014         default_encode_section_info): Likewise.
2015
2016 2004-07-01  Steven Bosscher  <stevenb@suse.de>
2017
2018         * stmt.c (check_seenlabel): Remove.
2019         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
2020
2021 2004-07-01  Richard Henderson  <rth@redhat.com>
2022
2023         * function.h (struct function): Remove x_function_call_count.
2024         (function_call_count): Remove.
2025         * calls.c (expand_call): Don't set it.
2026         * integrate.c (copy_rtx_and_substitute): Likewise.
2027
2028         * function.h (struct function): Remove x_cleanup_label.
2029         (cleanup_label): Remove.
2030         * stmt.c (expand_value_return): Don't use it.
2031         * function.c (free_after_compilation): Don't set it.
2032         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
2033         * cfgexpand.c (tree_expand_cfg): Update call.
2034         * tree.h (expand_function_start): Update decl.
2035
2036 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
2037
2038         PR c/1027
2039         * c-lang.c (c_initialize_diagnostics): Move from here ...
2040         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
2041         (c_tree_printer): Use pretty-printer to format %T.
2042         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
2043         before '*' if not C++.
2044         (pp_c_direct_abstract_declarator): Don't try to print array upper
2045         bound for flexible array members.
2046         * c-tree.h: Include "diagnostic.h".
2047         (c_initialize_diagnostics): Declare.
2048         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
2049         * c-format.c (format_type_warning): New function.  Improve
2050         diagnostics for incorrect format argument types.
2051         (check_format_types): Use it.  Add two parameters.  Use the
2052         TYPE_MAIN_VARIANT of wanted_type.
2053         (check_format_info_main): Pass new parameters to
2054         check_format_types.
2055         (struct format_wanted_type): Update comment.
2056
2057 2004-07-01  Nick Clifton  <nickc@redhat.com>
2058
2059         * target.h (struct gcc_target): Add new field to struct cxx:
2060         import_export_class.
2061         * target-def.h (TARGET_CXX): Initialise the new field.
2062         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
2063         the new field.
2064         * doc/tm.texi: Document the new target hook.
2065
2066 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2067
2068         * builtins.c (fold_builtin_classify): Fix typo.
2069
2070 2004-07-01  Richard Henderson  <rth@redhat.com>
2071
2072         * function.c (identify_blocks, identify_blocks_1): Remove.
2073         * function.h (identify_blocks): Remove.
2074         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
2075
2076 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
2077
2078         * builtins.c (fold_builtin_classify): New.
2079         (fold_builtin_unordered_cmp): Fix commentary.
2080         (fold_builtin): Use it.
2081         * builtins.def: Define builtins for isnan,
2082         isnanf, isnanl, finite, finitef, finitel,
2083         isinf, isinff, isinfl.
2084
2085 2004-07-01  Richard Henderson  <rth@redhat.com>
2086
2087         * function.h (struct function): Remove dont_emit_block_notes.
2088         * gimple-low.c (lower_function_body): Don't set it.
2089         * cfgexpand.c (expand_block): Don't check it.
2090         * cfglayout.c (insn_locators_initialize): Likewise.
2091         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
2092         * passes.c (rest_of_compilation): Likewise.
2093         * stmt.c (expand_start_bindings_and_block): Likewise.
2094         (expand_end_bindings): Likewise.
2095
2096 2004-07-01  Richard Henderson  <rth@redhat.com>
2097
2098         * cgraph.h (cgraph_build_static_cdtor): Declare.
2099         * cgraphunit.c (cgraph_build_static_cdtor): New.
2100         * c-objc-common.c (build_cdtor): Use it.
2101         * coverage.c (create_coverage): Likewise.
2102         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
2103         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
2104
2105 See ChangeLog.11 for earlier changes.