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* tree-optimize.c (init_tree_optimization_passes): Re-organize
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-05-10  Diego Novillo  <dnovillo@redhat.com>
2
3         * tree-optimize.c (init_tree_optimization_passes): Re-organize
4         optimization passes to do an initial batch of scalar cleanups.
5
6 2005-05-10  Ian Lance Taylor  <ian@airs.com>
7
8         * read-rtl.c (struct macro_traverse_data): Define.
9         (map_attr_string): New static function, broken out of
10         apply_macro_to_string.
11         (mode_attr_index, apply_mode_maps): New static functions.
12         (apply_macro_to_string): Call map_attr_string.
13         (apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
14         all callers.
15         (apply_macro_traverse): Expect data to point to a struct
16         macro_traverse_data.
17         (read_rtx): Add mode_maps local variable.  Use mode_traverse_data
18         to pass data through htab_traverse.
19         (read_rtx_1): Add mode_maps parameter.  Change all callers.
20         Handle mode names which are attribute strings.
21         * doc/md.texi (Substitutions): Rename from String Substitutions.
22         Change references.  Document using attributes as modes.
23
24 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
25
26         * tree-cfg.c (tree_duplicate_sese_region): Update profile.
27         * tree-optimize.c (init_tree_optimization_passes) Swap
28         pass_ch and pass_profile.
29         * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
30         here.  Remove rewrite_into_loop_closed_ssa call.
31
32 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
33
34         * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
35         function.
36         (legitimate_reload_constant_p): Add check for const double zero.
37         * config/s390/s390.md: Add comment for constraint letter 'G'.
38         ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
39         attributes for new case.
40         * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
41         s390_const_double_ok_for_constraint_p.
42         * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
43         Add prototype.
44
45 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
46
47         PR tree-optimization/21170
48         * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
49         rewrite_ssa_into_ssa in comments with update_ssa.
50
51 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
52
53         * tree-ssa-loop-im.c: Include hashtab.h.
54         (struct mem_ref_loc): New.
55         (struct mem_ref): Describe the set of references with the same
56         shape.
57         (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
58         maybe_queue_var, fem_single_reachable_address,
59         for_each_memref, single_reachable_address,
60         is_call_clobbered_ref, determine_lsm_reg): Removed.
61         (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
62         hoist_memory_reference, memref_hash, memref_eq, memref_del,
63         gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
64         New functions.
65         (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
66         (determine_lsm_loop): Rewritten.
67         (determine_lsm): Do not set stmt uids.
68
69 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
70
71         * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
72         letters.
73         
74 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
75
76         * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
77         ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
78         ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.
79
80 2005-05-10  Jeff Law  <law@redhat.com>
81
82         * tree-ssa-dom.c (dom_opt_finalize_block): Do not call
83         thread_across_edge for any abnormal edges.
84
85 2005-05-10  Richard Henderson  <rth@redhat.com>
86
87         * config/ia64/ia64.c (ia64_expand_atomic_op): New.
88         * config/ia64/ia64-protos.h: Declare it.
89         * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
90         (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
91         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
92         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
93         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
94         (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
95         extend result; use release semantics.
96         (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
97         (sync_val_compare_and_swap_<IMODE>): Update to match.
98
99 2005-05-10  Richard Henderson  <rth@redhat.com>
100
101         * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
102         before comparing it for success.
103
104 2005-05-10  Richard Henderson  <rth@redhat.com>
105
106         * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
107         no return value pattern.
108
109 2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
110             H.J. Lu  <hongjiu.lu@intel.com>
111
112         * libgcov.c (create_file_directory): New function. Create
113         directory for the given file name.
114         (gcov_max_filename): New static var. Keeps size of the longest
115         file name.
116         (gcov_exit): Always try to create directory for output
117         file. Relocate each filename basing on environment vars.
118         (__gcov_init): Remember the longest file name.
119         * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
120         * doc/gcov.texi (Cross-profiling): New node documenting
121         cross-profiling management.
122         * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.
123
124 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
125
126         * config/sparc/sparc.c (mem_min_alignment): Do not rely
127         on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.
128
129 2005-05-10  Bob Wilson  <bob.wilson@acm.org>
130
131         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
132         case code to avoid one move instruction.
133         (__umodsi3, __modsi3): Merge duplicated code sequences.
134
135 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
136
137         * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
138         config/sh/sh.md, config/sh/superh.h: Fix comment typos.
139         * doc/invoke.texi: Fix typos.
140
141         * tree-data-ref.c (analyze_array_indexes, analyze_array,
142         init_data_ref, access_functions_are_affine_or_constant_p,
143         free_data_refs): Use VEC instead of VARRAY.
144         * tree-data-ref.h (data_reference): Change the type of
145         access_fns to VEC(tree,gc)*.
146         (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.
147
148 2005-05-10  Gabor Loki <loki@gcc.gnu.org>
149
150         PR c/17913
151         * c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
152         * fold-const.c (fold): Expand the condition of reducing cond_expr.
153         (contains_label_1, contains_label_p): New functions for checking
154         labels in a sub-tree.
155
156 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
157
158         PR c/21342
159         * c-decl.c (pushdecl): When there is a declaration in the current
160         scope and the declarations are external linkage, check for
161         compatibility with the type in the external scope and update the
162         type in the external scope with the composite type information.
163         Do not form a composite type of the new type and the visible type
164         if they are incompatible.
165
166 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
167
168         * crtstuff.c: Revert part of 2005-05-08 Change.
169         (IN_LIBGCC2): Define.
170
171 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
172
173         * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
174         remove redundant test.
175         (fp_mov_p): Accept 0.
176         (fp_high_losum_p): Remove redundant test.
177         * config/sparc/predicates.md (const_high_operand): Explicitly test
178         (not small_int_operand).
179         (fp_const_high_losum_operand): New.
180         * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
181         (movdi_insn_sp32_v9): Use canonical predicates.
182         (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
183         (movdi_insn_sp64_novis): Delete.
184         (movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
185         (movsf_insn_novis): Delete.
186         (movsf_insn_vis): Rename into movsf_insn.
187         (movsf_no_f_insn): Rename into movsf_insn_no_fpu.
188         (movsf_lo_sum): Use fp_const_high_losum_operand.
189         (movsf_high): Likewise.
190         (movsf_high_losum splitter): Likewise.
191         (mov<V32:mode> expander): Use register_or_zero_operand.
192         (mov<V64:mode> expander): Likewise.
193         (movdf_insn_sp32): Use register_or_zero_operand.
194         (movdf_no_e_insn_sp32): Use register_or_zero_operand.
195         Rename into movdf_insn_sp32_no_fpu.
196         (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
197         Rename into movdf_insn_sp32_v9_no_fpu.
198         (movdf_insn_v9only_novis): Delete.
199         (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
200         (movdf_insn_sp64_novis): Delete.
201         (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
202         (movdf_no_e_insn_sp64): Use register_or_zero_operand. 
203         Rename into movdf_insn_sp64_no_fpu.
204         (movtf expander): Use register_or_zero_operand.
205         (movtf_insn_sp32): Delete.
206         (movtf_insn_vis_sp32): Use register_or_zero_operand.
207         Rename into movtf_insn_sp32.
208         (movtf_no_e_insn_sp32): Use register_or_zero_operand.
209         Rename into movtf_insn_sp32_no_fpu.
210         (movtf_insn_hq_sp64): Delete.
211         (movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
212         Rename into movtf_insn_sp64_hq.
213         (movtf_insn_sp64): Delete.
214         (movtf_insn_vis_sp64): Use register_or_zero_operand.
215         Rename into movtf_insn_sp64.
216         (movtf_no_e_insn_sp64): Use register_or_zero_operand.
217         Rename into movtf_insn_sp64_no_fpu.
218
219 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
220
221         * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
222         gcc_assert and gcc_unreachable as appropriate.
223         (xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
224         xstormy16_output_cbranch_si, xstormy16_split_move,
225         xstormy16_initial_elimination_offset,
226         xstormy16_encode_section_info, xstormy16_print_operand_address,
227         xstormy16_expand_call, xstormy16_expand_arith,
228         xstormy16_output_shift, xstormy16_init_builtins): Likewise.
229
230 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
231
232         * tree-outof-ssa.c (_elim_graph): Change the type of nodes and
233         const_copies to VEC(tree,heap)*.
234         (new_elim_graph, delete_elim_graph, elim_graph_size,
235         elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
236         instead of VARRAY.
237
238 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
239
240         PR other/21052
241         * doc/extend.texi (Type Attributes): Correct example syntax.
242
243 2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
244
245         PR c/21160
246         * doc/invoke.texi (-Wuninitialized): Update documentation.
247
248 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
249
250         * arm.c (const_ok_for_arm): Use a faster algorithm.
251
252 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
253
254         PR target/21477
255         * config/rs6000/rs6000.md (add_op2): New.
256         (add<mode>3): Use it.
257
258 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
259
260         * arm.c (arm_gen_constant): Add new heuristic for generating
261         constant integers that can be expressed as the difference of two
262         valid immediates.
263
264 2005-05-09  Roger Sayle  <roger@eyesopen.com>
265
266         * c-tree.h (parser_build_unary_op): New prototype.
267         * c-typeck.c (parser_build_unary_op): New function to construct
268         a unary operation in the C parser.
269         * c-parser.c (c_parser_unary_expression):  Use the new function
270         parser_build_unary_op when appropriate.
271
272 2005-05-09  Mark Mitchell  <mark@codesourcery.com>
273
274         PR 18655
275         * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
276         before outputting DWARF_FRAME_RETURN_COLUMN.
277
278 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
279
280         * config/s390/s390.c: (s390_branch_condition_mask,
281         s390_branch_condition_mnemonic, s390_extra_constraint_str,
282         s390_const_ok_for_constraint_p, s390_expand_plus_operand,
283         legitimize_pic_address, s390_emit_tls_call_insn,
284         legitimize_tls_address, legitimize_tls_address,
285         s390_expand_addcc, print_shift_count_operand, print_operand,
286         addr_generation_dependency_p, annotate_constant_pool_refs,
287         s390_split_branches, find_constant_pool_ref,
288         replace_constant_pool_ref, s390_add_constant, s390_find_constant,
289         s390_find_execute, s390_mainpool_start, s390_chunkify_start,
290         s390_output_pool_entry, s390_function_value,
291         s390_call_saved_register_used, s390_emit_call): Replace
292         conditional aborts by gcc_assert and unconditional by gcc_unreachable.
293         (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
294         s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
295         get_some_local_dynamic_name, s390_function_arg_size,
296         s390_function_arg_advance, s390_function_arg,
297         s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
298         default case by gcc_unreachable.
299         * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
300         conditional abort by gcc_assert.
301         ("doloop_si31"): Replace abort in last else by gcc_unreachable.
302         ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
303
304 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
305
306         * config/s390/s390.c: (s390_decompose_address,
307         tls_symbolic_operand, legitimate_pic_operand_p,
308         legitimate_constant_p, legitimate_reload_constant_p,
309         s390_expand_plus_operand, legitimate_address_p,
310         legitimate_la_operand_p, ): Remove 'register' from signature.
311         (symbolic_reference_mentioned_p,
312         tls_symbolic_reference_mentioned_p): Remove 'register' from local
313         variable declarations.
314         (legitimize_address): Remove 'register' from
315         signature and local variable declarations.
316
317 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
318
319         * config/s390/s390-protos.h: (s390_match_ccmode,
320         s390_match_ccmode_set, reg_used_in_mem_p,
321         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
322         legitimate_la_operand_p, preferred_la_operand_p,
323         s390_short_displacement, addr_generation_dependency_p,
324         legitimate_reload_constant_p, legitimate_address_p): Change return type
325         into 'bool'.
326         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'. 
327         * config/s390/s390.c: (s390_match_ccmode,
328         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
329         legitimate_reload_constant_p): Change return type into 'bool'.
330         (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
331         Likewise.  Additionally adapted comment.  
332         (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
333         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'. 
334         (s390_decompose_address): Change the type of the internal flags
335         "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
336         (struct s390_address): Change type of "pointer" into bool.
337         * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
338         Adapt calls for 's390_tm_ccmode' to the new signature.
339
340 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
341
342         * config/s390/s390.c: (s390_match_ccmode_set,
343         s390_branch_condition_mnemonic, s390_short_displacement,
344         s390_decompose_address, get_thread_pointer, legitimize_tls_address,
345         print_shift_count_operand, get_some_local_dynamic_name,
346         get_some_local_dynamic_name_1, reg_used_in_mem_p,
347         addr_generation_dependency_p, s390_split_branches,
348         annotate_constant_pool_refs, find_constant_pool_ref,
349         replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
350         s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
351         s390_register_info, s390_frame_info, s390_init_frame_layout,
352         s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
353         restore_gprs, s390_function_arg_size, s390_function_arg_float,
354         s390_init_machine_status, s390_assemble_integer, s390_handle_option,
355         s390_encode_section_info, s390_cannot_force_const_mem,
356         s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
357         s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
358         s390_adjust_priority, s390_issue_rate,
359         s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
360         s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
361         s390_build_builtin_va_list, s390_gimplify_va_arg,
362         s390_function_ok_for_sibcall, s390_call_saved_register_used,
363         s390_pass_by_reference, s390_fixed_condition_code_regs,
364         s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
365         s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
366         s390_chunkify_cancel, s390_start_pool, s390_end_pool,
367         s390_add_pool_insn, s390_find_pool, s390_add_constant,
368         s390_find_constant, s390_add_execute, s390_find_execute,
369         s390_execute_label, s390_execute_target, s390_dump_pool,
370         s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes. 
371         Move target macro definitions to the end of the file.  Move several
372         functions within the file to assure correct compiling.
373
374 2005-05-09  Steven Bosscher  <stevenb@suse.de>
375
376         * calls.c (purge_reg_equiv_notes): Remove, fold into...
377         (fixup_tail_calls): ...here.  Only look at insns between the
378         start of the function and the FUNCTION_BEG insn note.
379
380         * gcse.c (one_cprop_pass): Fix typos in dumps.
381
382         * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
383
384 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
385
386         * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
387         * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
388         "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
389         Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
390         CC_REGNUM)'.
391         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
392         '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
393         ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
394         REG_SC)'.
395
396 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
397
398         * config/s390/s390.md: ("gf") New mode attribute.
399         ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
400         "fixuns_truncsfsi2"): Merge.
401         ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
402         ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
403         "fix_truncsfsi2_ieee"): Merge.
404
405 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
406
407         * config/s390/s390.md: ("FPR") New mode macro.
408         ("de", "dee"): New mode attributes.
409         ("cmpdf", "cmpsf"): Merge.
410         ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
411         ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
412         ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
413         ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
414         ("floatdidf2", "floatdisf2"): Merge.
415         ("adddf3", "addsf3"): Merge.
416         ("*adddf3", "*addsf3"): Merge.
417         ("*adddf3_cc", "*addsf3_cc"): Merge.
418         ("*adddf3_cconly", "*addsf3_cconly"): Merge.
419         ("*adddf3_ibm", "*addsf3_ibm"): Merge.
420         ("subdf3", "subsf3"): Merge.
421         ("*subdf3", "*subsf3"): Merge.
422         ("*subdf3_cc", "*subsf3_cc"): Merge.
423         ("*subdf3_cconly", "*subsf3_cconly"): Merge.
424         ("*subdf3_ibm", "*subsf3_ibm"): Merge.
425         ("muldf3", "mulsf3"): Merge.
426         ("*muldf3", "*mulsf3" "): Merge.
427         ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
428         ("*fmadddf", "*fmaddsf"): Merge.
429         ("*fmsubdf", "*fmsubsf"): Merge.
430         ("divdf3", "divsf3"): Merge.
431         ("*divdf3", "*divsf3"): Merge.
432         ("*divdf3_ibm", "*divsf3_ibm"): Merge.
433         ("negdf2", "negsf2"): Merge.
434         ("*negdf2_cc", "*negsf2_cc"): Merge.
435         ("*negdf2_cconly", "*negsf2_cconly"): Merge.
436         ("*negdf2", "*negsf2"): Merge.
437         ("*negdf2_ibm", "*negsf2_ibm"): Merge.
438         ("absdf2", "abssf2"): Merge.
439         ("*absdf2_cc", "*abssf2_cc"): Merge.
440         ("*absdf2_cconly", "*abssf2_cconly"): Merge.
441         ("*absdf2", "*abssf2"): Merge.
442         ("*absdf2_ibm", "*abssf2_ibm"): Merge.
443         ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
444         ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
445         ("*negabsdf2", "*negabssf2"): Merge.
446         ("sqrtdf2", "sqrtsf2"): Merge.
447
448 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
449
450         * config/s390/s390.c: (s390_adjust_priority): Adapt to changed 
451         attribute names.
452         * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
453         "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
454         ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
455         "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
456         attribute names.
457         * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
458         fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
459         "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
460         fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
461         ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
462         "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
463         "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
464         "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
465         "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
466         "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
467         "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
468         "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
469         "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
470         "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
471         "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
472         "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
473         'type' value.
474         ("*divsf3"): Additionally rename second pattern to
475         "*divsf3_ibm".
476         ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
477         "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
478         "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
479         "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
480         "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
481         'type values' and rename 'type' value.
482         ("*addsf3"): Additionally rename second pattern to
483         "*addsf3_ibm".
484
485 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
486
487         * config/s390/s390.md: ("SHIFT"): New mode macro.
488         ("lr", "shift"): New mode attributes.
489         ("ashldi3", "lshrdi3"): Merge.
490         ("*ashldi3_31", "*lshrdi3"_31): Merge.
491         ("*ashldi3_64", "*lshrdi3"_64): Merge.
492         ("ashlsi3", "lshrsi3"): Merge.
493
494 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
495
496         * config/s390/s390.md: ("DSI", "SCOND"): New mode 
497         macros.
498         ("E", "g"): New mode attributes.
499         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
500         ("*adddi3_alc", "*addsi3_alc"): Merge.
501         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
502         ("*subdi3_slb", "*subsi3_slb"): Merge.
503         ("adddicc", "addsicc"): Merge.
504         ("*sconddi", "*scondsi"): Merge.
505         ("*sconddi_neg", "*scondsi_neg"): Merge.
506         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
507         ("negdi2", "negsi2"): Extract expander pattern from
508         "negsi2" and merge with "negdi2".
509         ("*negdi2"): Merge with instruction pattern of "negsi2".
510         ("*negdi2_cc", "*negsi2_cc"): Merge.
511         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
512         ("rotldi3", "rotlsi3"): Merge.
513
514 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
515
516         * config/s390/s390.md: ("hc"): New mode attribute.
517         ("extendhidi2", "extendqidi2"): Merge.
518         ("*extendhidi2", "*extendqidi2"): Merge.
519         ("extendhisi2", "extendqisi2"): Merge.
520         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
521         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
522         Merged 2 define_split.
523         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
524         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
525
526 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
527
528         * config/s390/s390.md: ("COMPARE"): New mode macro.
529         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
530         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
531         "bungt", "bunle", "bunge", "bltgt"): Merge.
532
533 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
534
535         * config/s390/s390.md: ("INT"): New mode macro.
536         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
537         Merge.
538
539 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
540
541         * config/s390/s390.md: ("GPR", "P"): New mode macros.
542         ("cmpdi", "cmpsi"): Merge.
543         ("strlendi", "strlensi"): Merge.
544         ("*strlendi", "*strlensi"): Merge.
545         ("movmemdi", "movmemsi"): Merge.
546         ("clrmemdi", "clrmemsi"): Merge.
547
548 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
549
550         * config/s390/s390.md: ("HQI"): New mode macro.
551         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
552         ("*tmhi_full", "*tmqi_full"): Merge.
553         ("*tsthiCCT", "*tstqiCCT"): Merge.
554         ("*tsthi", "*tstqi"): Merge.
555         ("*tsthi_cconly", "tstqi_cconly"): Merge.
556         ("*sethighhisi", "*sethighqisi"): Merge.
557          
558 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
559
560         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
561         config/alpha/unicosmk.h, config/arc/arc.md,
562         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
563         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
564         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
565         config/arm/semi.h, config/arm/uclinux-elf.h,
566         config/arm/wince-pe.h, config/fr30/fr30.c,
567         config/rs6000/altivec.h: Update copyright.
568
569 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
570
571         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
572         gcc_assert and gcc_unreachable as appropriate.
573         (pdp11_output_function_epilogue, output_move_double,
574         output_move_quad, print_operand_address, output_jump,
575         output_addr_const_pdp11): Likewise.
576         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
577         ASM_OUTPUT_ALIGN): Likewise.
578         * config/pdp11/pdp11.md: Likewise.
579         (extendhisi2, subhi3, subqi3): Likewise.
580
581 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
582
583         PR middle-end/21237
584         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
585         to NE_EXPR case.
586
587 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
588
589         * config/ia64/ia64.c: Fix a comment typo.
590
591 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
592
593         PR target/21397
594         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
595         (arm_override_options): Use them instead of manifest constants.  Don't
596         allow -march to override the -mtune setting.
597
598 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
599
600         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
601         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
602         (function_arg_advance, function_arg, save_restore_insns,
603         iq2000_expand_prologue, iq2000_output_conditional_branch,
604         expand_one_builtin, print_operand):
605         * config/iq2000/iq2000.md (tablejump): Likewise.
606
607 2005-05-09  David Ung  <davidu@mips.com>
608
609         * config/mips/mips.h (processor_type): Add names for the 24K. 
610         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
611         processor family.
612         * config/mips/mips.md (cnv_mode): New attribute for recording the
613         conversion types of float convert insns.
614         (cpu): Add 24k and 24kx.
615         (include): Include 24k.md file.
616         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
617         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
618         (floatdisf2): Setup cnv_mode.
619         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
620         setup cnv_mode.
621         * config/mips/24k.md: New file, contains 24k DFA pipeline
622         description. 
623
624 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
625
626         * config/sh/sh.c (print_operand_address): Use gcc_assert and
627         gcc_unreachable as appropriate.
628         (print_operand, prepare_move_operands, prepare_scc_operands,
629         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
630         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
631         fixup_mova, gen_far_branch, sh_reorg, split_branches,
632         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
633         sh_set_return_address, sh_setup_incoming_varargs,
634         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
635         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
636         check_use_sfunc_addr): Likewise.
637         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
638         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
639         * config/sh/symbian.c (sh_symbian_mark_dllexport,
640         sh_symbian_mark_dllimport): Likewise.
641         * config/sh/sh.md: Likewise.
642         (movdicc, call_pop, call_value_pop, casesi_worker_1,
643         casesi_worker_2, casesi_shift_media, casesi_load_media,
644         return_media): Likewise.
645
646 2005-05-08  Roger Sayle  <roger@eyesopen.com>
647
648         PR inline-asm/8788
649         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
650         operands.
651
652 2005-05-08  Richard Henderson  <rth@redhat.com>
653
654         * config/alpha/alpha.c (adjust_address): Fix typo last change.
655
656 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
657
658         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
659         and -1 can happen in reg_renumber when no hard register is assigned.
660
661 2005-05-08  Steven Bosscher  <stevenb@suse.de>
662             Kazu Hirata  <kazu@cs.umass.edu>
663
664         PR tree-optimization/14841, tree-optimization/15838
665         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
666         (evaluate_stmt): Call it.
667
668 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
669
670         * config/ia64/ia64.c (ia64_override_options): Don't set
671         ia64_flag_var_tracking and clear flag_var_tracking here...
672         (ia64_file_start): ... but here.
673
674 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
675
676         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
677         and gcc_unreachable as appropriate.
678         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
679         m68hc11_gen_highpart, print_operand, print_operand_address,
680         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
681         m68hc11_gen_movhi): Likewise.
682         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
683         * config/m68hc11/m68hc11.md: Reword comment.
684
685 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
686
687         PR target/21281
688         * config/m68hc11/predicates.md (splitable_operand): An immediate is
689         allowed.
690
691 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
692
693         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
694         the 68HC12 address indirect addressing mode as it is not supported by
695         bset and bclr.
696         * config/m68hc11/m68hc11-protos.h
697         (m68hc11_valid_addressing_p): Declare.
698         (m68hc11_add_mode): Declare.
699         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
700         register_indirect_p and export it.
701         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
702         instruction so that it is part of the good BB.
703         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
704         addressing with movw.
705         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
706         68HC12.
707         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
708         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
709         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
710         for 68HC11.
711         ("*movhi_68hc12"): Handle movhi_const0.
712         ("*subhi3", "subqi3"): Use general_operand for operand 1.
713         ("*subhi3_zext"): Likewise.
714
715 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
716
717         PR target/19051
718         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
719         operand 1 and fix constraints.
720         ("mulqihi3"): Use general_operand for operand 2.
721
722 2005-05-08  Julian Brown  <julian@codesourcery.com>
723             H.J. Lu  <hongjiu.lu@intel.com>
724             Paul Brook  <paul@codesourcery.com>
725
726         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
727         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
728         20050308/2.16.0 or newer for comdat group.
729         * configure: Regenerated.
730         * config.in: Regenerated.
731         * varasm.c (default_function_rodata_section): Put .rodata section in
732         COMDAT group when necessary.
733         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
734         HAVE_COMDAT_GROUP.
735         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
736         available.
737
738 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
739
740         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
741         instead of VARRAY.
742         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
743         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
744         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
745         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
746
747 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
748
749         PR target/16925
750         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
751         64-bit constants on 64-bit hosts.
752         (m68hc11_split_logical): Simplify.
753         (m68hc11_split_move): Likewise.
754
755 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
756             Paolo Bonzini  <bonzini@gnu.org>
757
758         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
759         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
760         * configure.ac (enable_checking): Fix typos in runtime_checking.
761         (ENABLE_RUNTIME_CHECKING): Mark as target template.
762         (xm_file): Prepend auto-host.h
763         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
764         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
765         tconfig.h.
766         * crtstuff.c: Do not include auto-host.h.
767         (IN_LIBGCC2): Do not define.
768         * gcov-io.h: Include tconfig.h, not auto-host.h.
769         * libgcc2.c: Do not include auto-host.h.
770         (abort): Do not undefine.
771         * libgcov.c: Remove unneeded comment about config.h.
772         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
773         * config.in, configure: Regenerated.
774         
775 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
776             Falk Hueffner  <falk@debian.org>
777
778         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
779         and gcc_unreachable as appropriate.
780         (get_aligned_mem, get_unaligned_address,
781         alpha_emit_set_long_const, alpha_emit_conditional_branch,
782         alpha_emit_setcc, alpha_emit_conditional_move,
783         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
784         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
785         alpha_expand_unaligned_load, alpha_expand_block_move,
786         alpha_expand_zap_mask, get_trap_mode_suffix,
787         get_round_mode_suffix, get_some_local_dynamic_name,
788         print_operand_address, function_arg, alpha_return_in_memory,
789         function_value, alpha_expand_builtin,
790         alpha_initial_elimination_offset, alpha_expand_epilogue,
791         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
792         alphaev5_next_group, alpha_align_insns,
793         unicosmk_initial_elimination_offset, unicosmk_unique_section,
794         unicosmk_ssib_name): Likewise.
795         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
796         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
797         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
798         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
799         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
800         * config/alpha/alpha.md (*divmodsi_internal_er,
801         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
802         call_nt, call_umk, call_vms, call_value, sibcall_value,
803         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
804         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
805         * config/alpha/predicates.md (input_operand): Likewise.
806
807 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
808
809         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
810         gcc_unreachable, as appropriate.
811         (frv_function_prologue, frv_alloc_temp_reg,
812         frv_initial_elimination_offset, frv_expand_block_move,
813         frv_expand_block_clear, frv_print_operand_jump_hint,
814         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
815         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
816         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
817         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
818         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
819         frv_in_small_data_p, frv_asm_out_constructor,
820         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
821         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
822         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
823         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
824         sibcall_value, casesi): Likewise.
825
826         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
827         gcc_unreachable as appropriate.
828         (print_operand_address, mn10300_print_reg_list, expand_prologue,
829         expand_epilogue, notice_update_cc, initial_offset,
830         mn10300_address_cost_1): Likewise.
831         * config/mn10300/mn10300.md: Likewise.
832         (absdf2, abssf2, negdf2, negsf2): Likewise.
833
834 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
835
836         PR target/21416
837         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
838         comparisons.
839         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
840         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
841         including sunge_<mode> and sungt_<mode>.
842
843 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
844
845         * integrate.h (get_hard_reg_initial_val): Change type of register
846         parameter from int to unsigned int.
847         (has_hard_reg_initial_val): Likewise.
848         * integrate.c (get_hard_reg_initial_val): Likewise.
849         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
850
851 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
852
853         * except.c (eh_status): Change the type of ttype_data to
854         VEC(tree,gc)*.
855         (add_ttypes_entry, assign_filter_values,
856         output_function_exception_table): Use VEC instead of VARRAY.
857
858 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
859
860         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
861
862 2005-05-07  Paul Brook  <paul@codesourcery.com>
863
864         * Makefile.in: Fix dependencies.
865         (GCOV_IO_H, VARRAY_H): Set.
866
867 2005-05-07  Anthony Green  <green@redhat.com>
868
869         PR bootstrap/21403
870         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
871         x$STMP_FIXPROTO test.
872         * configure: Rebuilt.
873
874 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
875
876         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
877         inappropriate feature test macros if flag_iso.
878
879 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
880
881         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
882
883 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
884
885         PR target/21441
886         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
887         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
888         Handle moved operand being in special register.
889         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
890         presumed working insn.
891         (mover2side): Add FIXME.
892
893 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
894
895         * integrate.c (get_func_hard_reg_initial_val): Delete.
896         (has_func_hard_reg_initial_val): Delete.
897         (get_hard_reg_initial_val): Inline the old implementation of
898         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
899         instead of has_func_hard_reg_initial_val to test for an existing
900         pseudo.  Only create an rtx if a new initial value entry is needed.
901         (has_hard_reg_initial_val): Scan the initial value list directly.
902         Don't create an rtx.
903
904 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
905
906         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
907         from extra_options.
908         * config.in (HAVE_AS_POPCNTB): New.
909         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
910         (HAVE_AS_POPCNTB): New.
911         * configure: Regenerated.
912         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
913         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
914         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
915         and rs6000_sched_costly_dep.
916         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
917         (TARGET_XL_COMPAT): Delete.
918         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
919         (popcount<mode>2): New.
920         (popcntb<mode>2): New.
921         * config/rs6000/rs6000.opt (mpopcntb): New.
922
923         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
924         if variable name exists.
925
926 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
927
928         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
929
930 2005-05-07  Richard Henderson  <rth@redhat.com>
931
932         PR target/21412
933         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
934         with constant offsets.
935
936 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
937
938         * config/v850/v850.c (print_operand): Use gcc_assert and
939         gcc_unreachable, as appropriate.
940         (print_operand_address, v850_handle_data_area_attribute,
941         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
942         v850_insert_attributes, construct_prepare_instruction): Likewise.
943         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
944         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
945
946 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
947
948         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
949         config/rs6000/rs6000.h: Fix comment typos.
950
951 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
952
953         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
954         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
955         (mips_scalar_mode_supported_p): Delete.
956
957 2005-05-06  Eric Christopher  <echristo@redhat.com>
958
959         * config/mips/mips.opt: Remove -mint64 option.
960         * config/mips/mips.c (override_options): Remove -mint64
961         handling.
962         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
963         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
964         64-bit integer handling.
965         * doc/invoke.texi (Option Summary): Remove -mint64 for
966         mips.
967
968 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
969
970         PR tree-optimization/19401
971         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
972         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
973         (estimated_unrolled_size): New function.
974         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
975         tree_unroll_loops_completely): Always unroll loops if the code size
976         does not increase.
977         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
978         loops should be unrolled completely.
979         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
980
981 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
982
983         PR rtl-optimization/21254
984         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
985         assumptions for loops that otherwise do not roll.
986         (find_simple_exit): Prefer # of iterations that is guaranteed
987         not to be infinite.
988         * loop-unroll.c (decide_peel_once_rolling,
989         decide_peel_completely): Check whether the loop is infinite.
990
991 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
992
993         * config/rs6000/sysv4.opt: Fix typo.
994
995 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
996             Jakub Jelinek  <jakub@redhat.com>
997
998         PR target/21329
999         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
1000         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
1001         Don't use rep; movs{l,q} if the repetition count is really small,
1002         instead use a sequence of movs{l,q} instructions.
1003
1004 2005-05-06  Jeff Law  <law@redhat.com>
1005
1006         PR tree-optimization/21380
1007         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
1008         thread through a block with no preds.
1009
1010 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
1011
1012         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
1013         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
1014         add_call_read_ops): Use VEC instead of VARRAY.
1015
1016 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
1017
1018         * config/mcore/mcore.c (mcore_print_operand_address): Use
1019         gcc_assert and gcc_unreachable as appropriate.
1020         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
1021         mcore_output_andn, output_inline_const, mcore_output_move,
1022         mcore_output_movedouble, mcore_expand_block_move,
1023         layout_mcore_frame, mcore_initial_elimination_offset,
1024         mcore_expand_prolog, mcore_mark_dllexport,
1025         mcore_mark_dllimport): Likewise.
1026         * config/mcore/mcore.h (switch_to_section): Likewise.
1027         * config/mcore/mcore.md: Likewise.
1028
1029 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
1030
1031         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
1032         TARGET_PROFILE_KERNEL.
1033
1034         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
1035         TARGET_PROFILE_KERNEL use.
1036
1037 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
1038
1039         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
1040         and gcc_unreachable, as appropriate.
1041         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
1042         m32r_expand_prologue, m32r_output_function_epilogue,
1043         m32r_legitimize_pic_address, m32r_print_operand_address,
1044         emit_cond_move, m32r_function_symbol,
1045         m32r_output_block_move): Likewise.
1046         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
1047         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
1048         *rev_zero_branch_insn): Likewise.
1049         
1050 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
1051
1052         PR c++/20961
1053         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
1054         if both NEWDECL and OLDDECL are already weak.
1055
1056 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
1057
1058         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
1059
1060 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
1061             Kaz Kojima  <kkojima@gcc.gnu.org>
1062
1063         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
1064         and plus_constant.
1065
1066 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
1067             David Edelsohn  <edelsohn@gnu.org>
1068
1069         * config.gcc: Add .opt magic for the rs6000 ports.
1070
1071         * doc/invoke.texi: Document -mabi= option properly.  Document
1072         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
1073         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
1074         -misel=.
1075
1076         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
1077         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
1078         TARGET_XL_COMPAT.
1079
1080         * config/rs6000/aix.opt: New.
1081         * config/rs6000/aix41.opt: New.
1082         * config/rs6000/aix64.opt: New.
1083         * config/rs6000/darwin.opt: New.
1084         * config/rs6000/linux64.opt: New.
1085         * config/rs6000/rs6000.opt: New.
1086         * config/rs6000/sysv4.opt: New.
1087
1088         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
1089         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
1090         SUBTARGET_SWITCHES.
1091         Define TARGET_USES_SYSV4_OPT.
1092         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
1093         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
1094         TARGET_USES_AIX64_OPT.
1095         * config/rs6000/aix51.h: Same.
1096         * config/rs6000/aix52.h: Same.
1097         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
1098         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
1099         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
1100         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
1101         * config/rs6000/linux64.h: Use
1102         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
1103
1104         * config/rs6000/rs6000.c: Remove definitions of
1105         rs6000_sched_restricted_insns_priority,
1106         rs6000_long_double_size_string, rs6000_altivec_vrsave,
1107         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
1108         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
1109         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
1110         rs6000_alignment_string.  Define rs6000_explicit_options.
1111         (rs6000_parse_abi_options): Remove.
1112         (rs6000_parse_alignment_option): Remove.
1113         (rs6000_parse_float_gprs_option): Remove.
1114         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
1115         TARGET_DEFAULT_TARGET_FLAGS.
1116         (rs6000_override_options): Revamp to use new .opt machinery.
1117
1118         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
1119         of new .opt machinery.  Remove target_flags.  Redefine
1120         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
1121         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
1122         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
1123         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
1124         rs6000_longcall_switch, rs6000_default_long_calls,
1125         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
1126         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
1127         TARGET_ALTIVEC_VRSAVE.
1128
1129 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
1130
1131         * config.gcc (hppa1.1-*-rtems*): Remove.
1132         * config/pa/rtems.h: Remove.
1133
1134 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
1135
1136         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
1137         Exclude roe/603e multilib variants.
1138
1139 2005-05-04  Denis Chertykov  <denisc@overta.ru>
1140
1141         PR target/21284
1142         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
1143         for output.
1144
1145 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
1146
1147         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
1148         arm/pe.opt to $extra_options.
1149         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
1150         (target_float_abi_name, target_float_switch, target_abi_name)
1151         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
1152         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
1153         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
1154         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
1155         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
1156         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
1157         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
1158         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
1159         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
1160         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
1161         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
1162         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
1163         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
1164         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
1165         (arm_pic_register_string): Delete.
1166         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
1167         TARGET_TPCS_FRAME.
1168         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
1169         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
1170         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
1171         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
1172         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
1173         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
1174         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
1175         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
1176         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
1177         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
1178         (SUBTARGET_SWITCHES): Delete.
1179         * config/arm/arm.c (target_float_switch): Delete.
1180         (arm_cpu_select): Moved from config/arm/arm.h.
1181         (target_fpu_name, target_fpe_name, target_float_abi_name)
1182         (target_abi_name, structure_size_string, arm_pic_register_string)
1183         (arm_select): Make static.
1184         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1185         (arm_handle_option): New function.
1186         (arm_override_options): Update target_flags checks for new mask names.
1187         Remove target_float_switch code.
1188         (arm_expand_prologue, thumb_expand_prologue): Check
1189         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
1190         * config/arm/arm.opt, config/arm/pe.opt: New files.
1191
1192 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
1193
1194         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
1195         gcc_unreachable as appropriate.
1196         (arc_double_limm_p, arc_setup_incoming_varargs,
1197         arc_compute_function_type, arc_output_function_prologue,
1198         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
1199         output_shift, arc_print_operand, arc_print_operand_address,
1200         arc_final_prescan_insn): Likewise.
1201         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
1202
1203 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
1204
1205         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
1206         comparing Pmode.
1207         (SDI): New.
1208         (cmp): Delete.
1209         (wd): New.
1210         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
1211         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
1212         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
1213         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
1214         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
1215         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
1216         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
1217         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
1218
1219 2005-05-05  Paul Brook  <paul@codesourcery.com>
1220
1221         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
1222         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
1223         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
1224         and tree-data-ref.h with *_H variables.
1225
1226 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
1227
1228         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
1229
1230 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
1231
1232         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
1233
1234 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
1235
1236         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
1237
1238 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
1239
1240         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
1241         setting of vrsave register for current function after
1242         call to save_world is emitted.
1243
1244 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
1245
1246         * config/mmix/predicates.md: New file.
1247         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
1248         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
1249         (mmix_foldable_comparison_operator, mmix_comparison_operator)
1250         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
1251         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
1252         Don't define.
1253         * config/mmix/mmix.md: Include predicates.md.
1254         ("call", "call_value"): Force address to register if it isn't a
1255         mmix_symbolic_or_address_operand.
1256
1257 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
1258
1259         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
1260         the flags are of appropriate types.
1261         (num_ssa_operands): Generalize using the generic interface.
1262         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
1263         iterator.
1264
1265 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
1266
1267         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
1268         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
1269
1270 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
1271
1272         * tree-outof-ssa.c (edge_leader, stmt_list,
1273         analyze_edges_for_bb): Use VEC instead of VARRAY.
1274         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
1275         (perform_edge_inserts): Call init_analayze_edges_for_bb and
1276         fini_analayze_edges_for_bb.
1277
1278 2005-05-04  James E Wilson  <wilson@specifixinc.com>
1279
1280         PR driver/21112
1281         * gcc.c (process_command): In the second argv scan loop, ignore
1282         Xassembler and Xpreprocessor, along with their argument.
1283
1284 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
1285
1286         * tree-flow-inline.h, tree-ssa-operands.c,
1287         tree-ssa-operands.h, tree-ssa-opfinalize.h:
1288         Likewise. tree-vn.c: Fix comment typos.
1289         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
1290
1291 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
1292
1293         * doc/tm.texi (Target Hooks): Document
1294         TARGET_RESOLVE_OVERLOADED_BUILTIN.
1295
1296 2005-05-04  Paul Brook  <paul@codesourcery.com>
1297
1298         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
1299
1300 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
1301
1302         * dwarf2out.c (incomplete_types, retry_incomplete_types,
1303         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
1304         of VARRAY.
1305
1306         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
1307         get_expansion, expand_var_during_unrolling,
1308         insert_var_expansion_initialization,
1309         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
1310         instead of VARRAY.
1311
1312         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
1313         update_stmt.
1314
1315 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
1316
1317         PR middle-end/15618
1318         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
1319         the same as INTEGER_TYPE.
1320         (fold_binary): Fold "bool_var != 0" to bool_var.
1321         Fold "bool_var == 1" to bool_var.
1322
1323 2004-05-03  Richard Henderson  <rth@redhat.com>
1324
1325         PR middle-end/21318
1326         * function.c (instantiate_virtual_regs_in_insn): Use the mode
1327         from recog_data instead of insn_data.
1328
1329 2005-05-03  DJ Delorie  <dj@redhat.com>
1330
1331         * common.opt (fdiagnostics-show-option): No variable is needed.
1332         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
1333         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
1334         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
1335         Save and restore original message format.  Use flag in context
1336         instead of global.
1337         (warning): Don't test for enabled warnings here.
1338         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
1339         here.
1340
1341 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
1342
1343         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
1344         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
1345         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
1346         * aclocal.m4: Don't include accross.m4.
1347         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
1348         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
1349         * configure, config.in: Regenerate.
1350         
1351 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
1352
1353         PR middle-end/21265
1354         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
1355         (clear_storage): Add argument.
1356         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
1357         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
1358         tailcall.
1359         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
1360         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
1361         (store_expr, store_constructor): Adjust callers.
1362         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
1363         to emit_block_move if CALL_EXPR_TAILCALL (exp).
1364         (expand_builtin_memmove): Add ORIG_EXP argument, copy
1365         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
1366         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
1367         with EXP.  Pass EXP to expand_builtin_memmove.
1368         (expand_builtin_memset): Add ORIG_EXP argument, pass
1369         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
1370         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
1371         Pass EXP to expand_builtin_memset.
1372         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
1373         the new CALL_EXPR.
1374         (expand_builtin_strncmp): Likewise.
1375         (expand_builtin_printf): Replace ARGLIST argument with EXP.
1376         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
1377         (expand_builtin_fprintf): Likewise.
1378         (expand_builtin): Adjust calls to
1379         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
1380
1381         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
1382         item in V4SF mode.
1383
1384         PR rtl-optimization/21239
1385         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
1386
1387 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
1388
1389         * tree-flow.h (tree_ann_common_d): Move aux to ...
1390         (stmt_ann_d): ... here.
1391         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
1392         move_computations_stmt, schedule_sm): Update references to
1393         aux.
1394         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
1395
1396         * tree-cfg.c (remove_bb): Remove a redundant call to
1397         set_bb_for_stmt.
1398         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
1399         Likewise.
1400
1401 2005-05-03  Richard Henderson  <rth@redhat.com>
1402
1403         * config/rs6000/rs6000.c: Remove conflict markers.
1404
1405         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
1406
1407 2005-05-03  James E Wilson  <wilson@specifixinc.com>
1408
1409         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
1410
1411 2005-05-03  DJ Delorie  <dj@redhat.com>
1412
1413         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
1414         decide if the warning will be printed.
1415         * calls.c (expand_call): Likewise.
1416         * function.c (init-function_start): Likewise.
1417
1418         * common.opt (-fdiagnostics-show-option): New.
1419         * opts.c (option_enabled): Accept the option index instead of a
1420         pointer to the option descriptor.
1421         * opts.h (option_enabled): Likewise.
1422         * toplev.c (print_switch_values): Pass option index, not option
1423         descriptor.
1424         * diagnostic.h (diagnostic_info): Add option_index.
1425         * diagnostic.c: Include opts.h.
1426         (diagnostic_set_info): Initialize option_index.
1427         (diagnostic_report_diagnostic): Amend option name if appropriate.
1428         (warning): Check to see if the specified warning is enabled.
1429         Store option index.
1430         * doc/invoke.texi (-fdiagnostics-show-options): Document.
1431
1432 2005-05-03  Richard Henderson  <rth@redhat.com>
1433
1434         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
1435         SPEC_OR_GEN_REGS definitions.
1436
1437 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
1438
1439         PR target/16888
1440         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
1441         for unavailable registers.
1442
1443 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
1444
1445         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
1446
1447         * cfglayout.c (block_locators_blocks,
1448         insn_locators_initialize, insn_scope): Use VEC instead of
1449         VARRAY.
1450
1451         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
1452         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
1453         VARRAY.
1454
1455 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
1456
1457         * config/sparc/predicates.md (const_compl_high_operand): New.
1458         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
1459         gen_safe_HIGH64.
1460         (sparc_emit_set_const64_quick1): Adjust for above change.
1461         (sparc_emit_set_const64_quick2): Likewise.
1462         (sparc_emit_set_const64_longway): Likewise.
1463         (sparc_emit_set_const64): Likewise.
1464         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
1465         movdi_const64_special): Delete.
1466         (logical constant splitters): Use const_compl_high_operand.
1467
1468 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
1469
1470         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
1471         rather than STRIP_NOPS.
1472
1473 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
1474
1475         PR rtl-optimization/21330
1476         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
1477         returning non-NULL.
1478         (unswitch_single_loop): Clear cinsn when retrying.
1479
1480         PR target/21297
1481         * config/i386/i386.c (legitimize_address): When canonicalizing
1482         ASHIFT into MULT, multiply by 1 << shift_count instead of
1483         1 << log2 (shift_count).
1484
1485 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
1486
1487         * lambda-code.c (gcc_loop_to_lambda_loop, 
1488         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
1489         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
1490         generic operand interface.
1491         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
1492         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
1493         generic operand interface.
1494         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list, 
1495         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
1496         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
1497         num_imm_uses): Use ssa_use_operand_t.
1498         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
1499         get_v_must_def_ops): Delete.
1500         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
1501         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
1502         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
1503         get_v_must_def_kill_ptr): Delete.
1504         (delink_stmt_imm_use): Move and use new operand interface.
1505         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
1506         op_iter_next_tree): Use new operand implementation.
1507         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
1508         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator 
1509         type check.
1510         (op_iter_next_mustdef, op_iter_next_maydef, 
1511         op_iter_next_must_and_may_def): Delete. Replace with...
1512         (op_iter_next_maymustdef): New.  Combine must and may next operations.
1513         (op_iter_init_maydef, op_iter_init_mustdef, 
1514         op_iter_init_must_and_may_def): Use new interface.
1515         (single_ssa_tree_operand ): New.  Process single operands only as trees.
1516         (single_ssa_use_operand): New.  Process single operands only as uses.
1517         (single_ssa_def_operand): New.  Process single operands only as defs.
1518         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
1519         specified types.
1520         (num_ssa_operands): New.  Count the number of specified operands.
1521         (compare_ssa_operands_equal): New.  Compare two statements' operands.
1522         (single_phi_def): New.  Return true if PHI has one def of the specified
1523         operand type.
1524         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
1525         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
1526         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
1527         (struct stmt_ann_d): Operands field no longer require GTY().
1528         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
1529         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
1530         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb, 
1531         dump_replaceable_exprs, rewrite_trees): Use generic interface.
1532         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node): 
1533         Use use_operand_p instead of ssa_imm_use_t *.
1534         * tree-pretty-print.c (dump_vops): check if operands are active before
1535         dumping virtual operands.
1536         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
1537         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
1538         (ccp_fold): Use new interface.
1539         (ccp_visit_stmt): Remove unused variables and code.
1540         (convert_to_gimple_builtin): Insert statements before calling 
1541         mark_new_vars_to_rename.
1542         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
1543         (copy_prop_visit_cond_stmt): Use generic interface.
1544         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the 
1545         annotation in table.
1546         (thread_across_edge): Use generic interface.
1547         (initialize_hash_element): Initialzie with stmt, not annotation.
1548         (eliminate_redundant_computations): Use generic interface.
1549         (record_equivalences_from_stmt): Pass stmt, not annotation.
1550         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
1551         interface.
1552         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
1553         * tree-ssa-loop-ivopts.c (find_invariants_stmt, 
1554         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use 
1555         generic operand interface.
1556         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
1557         interface.
1558         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
1559         Interface.
1560         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
1561         (build_defs, build_uses, build_v_may_defs, build_vuses, 
1562         build_v_must_defs): Change type to struct opbuild_list_d.
1563         (ops_active): New.  Operands active boolean.
1564         (operand_memory, operand_memory_index): New.  Operand memory managers.
1565         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
1566         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
1567         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs): 
1568         Change from functions to static variable list heads.
1569         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
1570         (opbuild_initialize_real): New.  Initialize a virtual build list.
1571         (opbuild_free): New.  Free a build list.
1572         (opbuild_num_elems): New.  Number of items in a list.
1573         (opbuild_append_real): New.  Add a real (tree *) operand.
1574         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
1575         (opbuild_first): New.  Return first element index in a list.
1576         (opbuild_next): New.  Return next element in a list.
1577         (opbuild_elem_real): New.  Return real element.
1578         (opbuild_elem_virtual): New.  Return virtual element.
1579         (opbuild_elem_uid): New.  Return UID of virtual element.
1580         (opbuild_clear): New.  Reset an operand list.
1581         (opbuild_remove_elem): New.  Remove an element form a list.
1582         (ssa_operands_active): New.  Return true if operand cache is active.
1583         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
1584         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
1585         (correct_use_link): Use use_operand_p.
1586         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
1587         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation. 
1588         (cleanup_v_may_defs): Use new implmentation.
1589         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New 
1590         implementation.
1591         (append_def, append_use, append_v_may_def, append_vuse, 
1592         append_v_must_def): Call opbuild_append routine instead of using varray.
1593         (build_ssa_operands): Simplify to simply use stmt, don't maintain a 
1594         global parse_old_ops variable.
1595         (free_ssa_operands): New implementation.
1596         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
1597         (copy_virtual_operands): Move. New generic implementation.
1598         (create_ssa_artficial_load_stmt): Move. New implementation.
1599         (swap_tree_operands): Update for new implementation.
1600         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
1601         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
1602         rather than a varray.
1603         (verify_imm_links): Use use_operand_p.
1604         (dump_immediate_uses_for): If the immediate use variable is a virtual 
1605         variable, show the virtual ops in the stmt.
1606         * tree-ssa-operands.h (def_operand_p): No longer a structure.
1607         (NULL_DEF_OPERAND_P): Now a #define.
1608         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
1609         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
1610         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
1611         mustdef_optype_d): New.  Use Linked list representation.
1612         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
1613         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
1614         (struct stmt_operands_d): Change to new pointers that are not GTY.
1615         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
1616         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
1617         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
1618         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT, 
1619         SET_V_MUST_DEF_KILL): Delete.
1620         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT, 
1621         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
1622         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT, 
1623         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
1624         (enum ssa_op_iter_type): Operand iterator typechecking values.
1625         (struct ssa_operand_iterator_d): Use linked lists of operands.
1626         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
1627         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
1628         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
1629         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
1630         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
1631         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
1632         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND, 
1633         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
1634         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
1635         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
1636         alloc_vuse, and alloc_mustdef.
1637         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops, 
1638         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1639         and finalize_ssa_v_must_def_ops.
1640         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
1641         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
1642         stmt around.
1643         (compute_avail): Use generic iterator interface.
1644         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
1645         (stmt_makes_single_load, stmt_makes_single_store): Use 
1646         ZERO_SSA_OPERANDS.
1647         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
1648         (statement_sink_location): Use generic interface.
1649         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
1650         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
1651         reset the immediate use link nodes.
1652         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
1653         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
1654         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
1655         (eliminate_tail_call): Use generic operand interface.
1656         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
1657         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic 
1658         interface.
1659         * tree-vect-transform.c (update_vuses_to_preheader): Use generic 
1660         interface.
1661         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
1662         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
1663         vuse_optype.
1664         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add): 
1665         Use statement pointer instead of vuse_optype.  Use generic interface.
1666         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
1667         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
1668         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
1669         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
1670         * doc/tree-ssa.texi: Update documentation for operand interface.
1671
1672 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
1673
1674         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
1675         gcc_unreachable as appropriate.
1676         (machopic_function_base_name, machopic_indirect_data_reference,
1677         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
1678         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
1679         * config/rs6000/altivec.md (*mov<mode>_internal,
1680         build_vector_mask_for_load): Likewise.
1681         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
1682         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
1683         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
1684         * config/rs6000/predicates.md (easy_fp_constant,
1685         logical_operand): Likewise.
1686         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
1687         compute_save_world_info, rs6000_emit_prologue,
1688         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
1689         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
1690         directly.
1691
1692 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
1693
1694         PR middle-end/21282
1695         * convert.c (convert_to_integer): Convert ceil and floor in
1696         c99 mode only.
1697
1698 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
1699
1700         PR target/20813
1701         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
1702         define_insn_and_split.  Split only when memory operand is
1703         offsettable.  Use adjust_address rather than plus_constant.
1704         (floatunssidf2_internal): Likewise.
1705         (fix_truncdfsi2_internal): Split only when memory operand is
1706         offsettable.  Use adjust_address rather than plus_constant.
1707         (fix_trunctfsi2_internal): Likewise.
1708         (floatsidf2_internal): Likewise.
1709
1710 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
1711
1712         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
1713         (set_value_range_to_null): Likewise.
1714         (set_value_range_to_varying): New function.  Use it in all
1715         call sites that used to call set_value_range (vr, VR_VARYING, ...).
1716         (extract_range_from_assert): If the integral type has a
1717         super-type, and LIMIT is not within MIN and MAX values of that
1718         type, set the resulting range to VR_VARYING.
1719
1720 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
1721
1722         * config/mmix/mmix.opt: New file.
1723         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
1724         (mmix_cc1_ignored_option): Don't declare.
1725         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
1726         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
1727         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
1728         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
1729         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
1730         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
1731         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
1732         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
1733         Don't define.
1734         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
1735         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
1736         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1737
1738 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
1739
1740         PR c/15698
1741         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
1742         * c-decl.c (current_function_prototype_built_in,
1743         current_function_prototype_arg_types): New.
1744         (merge_decls): Keep source location of prototype followed by
1745         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
1746         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
1747         (start_function): Always set current_function_prototype_locus,
1748         current_function_prototype_built_in and
1749         current_function_prototype_arg_types.  Check for external
1750         prototype whether or not visible for external function and set
1751         current_function_prototype_arg_types accordingly.
1752         (store_parm_decls_oldstyle): Use
1753         current_function_prototype_arg_types for checking old-style
1754         definition against prototype.  Give warnings only if
1755         current_function_prototype_built_in).
1756
1757 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
1758
1759         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
1760         (ggc_alloc_zone_stat): Don't define.
1761         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
1762         ggc_alloc_zone_pass_stat.
1763         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
1764         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
1765         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
1766
1767 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
1768
1769         * calls.c (expand_call): Handle current_function_pretend_args_size
1770         when checking for sibcalls.
1771
1772 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1773
1774         PR tree-optimization/21294
1775         * tree-vrp.c (vrp_expr_computes_nonzero): New.
1776         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
1777
1778 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
1779
1780         PR 19985
1781         * gcov-io.h: Declare gcov external functions hidden.
1782
1783 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1784
1785         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
1786         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
1787         Use VEC instead of VARRAY.
1788         (equiv_free): New.
1789
1790         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
1791         out common code.
1792
1793 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
1794
1795         * c-common.c (resolve_overloaded_builtin): Forward to target
1796         hook for BUILT_IN_MD built-ins.
1797         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
1798         for all types of built-in.
1799         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
1800         in the definition of the target hooks struct.
1801         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
1802         * config/rs6000/altivec.h: Rewritten.
1803         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
1804         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
1805         rs6000_builtin_type, rs6000_builtin_type_compatible,
1806         altivec_overloaded_builtins, rs6000_builtin_type,
1807         rs6000_builtin_type_compatible): New.
1808         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
1809         New.
1810         (def_builtin): Turn into a function.  Check for duplicates and store
1811         the builtin into rs6000_builtin_decls.
1812         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
1813         bdesc_1arg): Add overloaded builtins.
1814         (altivec_expand_builtin): Check for unresolved overloaded builtins,
1815         do not support ALTIVEC_COMPILETIME_ERROR.
1816         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
1817         nodes to represent front-end types.
1818         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
1819         with opaque arguments and/or return values.
1820         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
1821         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
1822         (rs6000_builtin_type_index): New.
1823         (is_ev64_opaque_type): Rename to...
1824         (rs6000_is_opaque_type): ... this.
1825         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
1826         target hook.
1827
1828 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1829
1830         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
1831         instead of VARRAY.
1832
1833 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
1834             Bernd Schmidt  <bernd.schmidt@analog.com>
1835
1836         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
1837         print_address_operand, print_operand, legitimize_pic_address,
1838         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
1839         output_pop_multiple): Use gcc_assert or gcc_unreachable as
1840         appropriate.
1841         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
1842
1843 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
1844
1845         * doc/passes.texi: Document vectorization pass.
1846
1847 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1848
1849         * tree-scalar-evolution.c (get_exit_conditions_rec,
1850         select_loops_exit_conditions,
1851         number_of_iterations_for_all_loops,
1852         analyze_scalar_evolution_for_all_loop_phi_nodes,
1853         scev_analysis): Use VEC instead of VARRAY.
1854
1855 2005-05-02  Michael Matz  <matz@suse.de>
1856
1857         PR c++/19542
1858         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
1859         (warn_strict_null_sentinel): Define.
1860         (check_function_sentinel): Check for null_node as valid sentinel too.
1861         * c-common.h (c_tree_index): Added CTI_NULL.
1862         (null_node) Define global_tree[CTI_NULL].
1863         (warn_strict_null_sentinel): Declare.
1864         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
1865         * c.opt: (Wstrict-null-sentinel): New C++ option.
1866         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
1867
1868 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
1869
1870         * gimplify.c (gimplify_compound_lval): Use VEC instead of
1871         VARRAY.
1872
1873         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
1874
1875         * dwarf2out.c (decl_scope_table, push_decl_scope,
1876         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
1877         instead of VARRAY.
1878
1879 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
1880
1881         PR C++/14391
1882         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
1883         if !flag_weak.
1884         * doc/cpp.texi (__DEPRECATED): Document.
1885         (__EXCEPTIONS): Likewise.
1886         (__GXX_WEAK__): Likewise.
1887
1888         * function.c (INVOKE__main): Do not define.
1889         (expand_main_function): Check HAS_INIT_SECTION when determining
1890         whether or not to call __main.
1891
1892 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
1893
1894         * tree-ssa-loop-ivopts.c: Fix a comment typo.
1895
1896 2005-01-05  Paul Brook  <paul@codesourcery.com>
1897
1898         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
1899         (INITIALIZE_TRAMPOLINE): Use it.
1900         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
1901         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
1902         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
1903
1904 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
1905
1906         * doc/install.texi (Specific): Omit dots in the @anchors names
1907         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
1908         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
1909
1910 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
1911
1912         PR tree-optimization/18316
1913         PR tree-optimization/19126
1914         * tree.c (build_int_cst_type): Avoid shift by size of type.
1915         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
1916         argument.
1917         * tree-scalar-evolution.h (simple_iv): Declaration changed.
1918         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
1919         field.
1920         (dump_cand): Dump depends_on information.
1921         (determine_biv_step): Add argument to simple_iv call.
1922         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
1923         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
1924         constant.
1925         (add_candidate_1): Record depends_on for candidates.
1926         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
1927         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
1928         Handle ivs with nonconstant step.
1929         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
1930         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
1931         (create_new_iv): Unshare the step before passing it to create_iv.
1932         (free_loop_data): Free cand->depends_on.
1933         (build_addr_strip_iref): New function.
1934         (find_interesting_uses_address): Use build_addr_strip_iref.
1935         (strip_offset_1): Split the recursive part from strip_offset.
1936         Strip constant offset component_refs and array_refs.
1937         (strip_offset): Split the recursive part to strip_offset_1.
1938         (add_address_candidates): Removed.
1939         (add_derived_ivs_candidates): Do not use add_address_candidates.
1940         (add_iv_value_candidates): Add candidates with stripped constant
1941         offset.  Consider all candidates with initial value 0 important.
1942         (struct affine_tree_combination): New.
1943         (aff_combination_const, aff_combination_elt, aff_combination_scale,
1944         aff_combination_add_elt, aff_combination_add,
1945         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
1946         fold_affine_sum): New functions.
1947         (get_computation_at): Use fold_affine_sum.
1948         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
1949         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
1950         to simple_iv call.
1951
1952 2005-04-30  Michael Matz  <matz@suse.de>
1953
1954         * config/i386/i386.md (movmemsi): Also active when
1955         TARGET_INLINE_ALL_STRINGOPS.
1956
1957 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
1958
1959         PR bootstrap/20633
1960         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
1961
1962 2005-04-30  Paul Brook  <paul@codesourcery.com>
1963
1964         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
1965         thumb mode.
1966         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
1967         * config/arm/ieee754-sf.S: Ditto.
1968         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
1969         (FUNC_ALIAS): Use .thumb_set for thumb routines.
1970
1971 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
1972
1973         * tree-ssanames.c: Fix a comment typo.
1974         * doc/options.texi: Fix a typo.
1975
1976 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
1977
1978         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
1979         gcc_unreachable as appropriate.
1980         (split_adds_subs, cond_string, print_operand,
1981         h8300_initial_elimination_offset, h8300_classify_operand,
1982         h8300_unary_length, h8300_short_immediate_length,
1983         h8300_bitfield_length, h8300_binary_length,
1984         h8300_insn_length_from_table, compute_mov_length, output_plussi,
1985         compute_plussi_length, compute_plussi_cc, output_logical_op,
1986         compute_logical_op_length, compute_logical_op_cc,
1987         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
1988         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
1989         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
1990         h8300_regs_ok_for_stm): Likewise.
1991         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
1992         monitor_prologue): Likewise.
1993
1994 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
1995
1996         * loop-invariant.c (invariants, create_new_invariant,
1997         get_inv_cost, best_gain_for_invariant,
1998         find_invariants_to_move, move_invariants,
1999         init_inv_motion_data, free_inv_motion_data): Use VEC instead
2000         of VARRAY.
2001
2002 2005-04-29  Richard Henderson  <rth@redhat.com>
2003
2004         * function.c (instantiate_decls): Remove valid_only argument.
2005         (instantiate_decls_1, instantiate_decl): Likewise.
2006         (instantiate_virtual_regs_1): Delete.
2007         (instantiate_virtual_regs_lossage): Delete.
2008         (instantiate_virtual_regs_in_rtx): New.
2009         (safe_insn_predicate): New.
2010         (instantiate_virtual_regs_in_insn): New.
2011         (instantiate_virtual_regs): Update to match all that.  Only run
2012         instantiate_decls once.
2013
2014 2005-04-29  Richard Henderson  <rth@redhat.com>
2015             Daniel Jacobowitz  <dan@codesourcery.com>
2016
2017         * gengtype.c (write_func_for_structure): Split out ...
2018         (output_type_enum): ... new function.  Fix thinko accessing
2019         TYPE_PARAM_STRUCT data.
2020
2021 2005-04-29  Tom Tromey  <tromey@redhat.com>
2022
2023         * tree.c (build_block): Removed unused 'tags' argument.
2024         * tree.h (build_block): Removed argument.
2025
2026 2005-04-29  Michael Matz  <matz@suse.de>
2027
2028         PR rtl-optimization/21144
2029         * postreload.c (reload_cse_move2add): Check for VOIDmode.
2030
2031 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
2032
2033         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
2034         flag_reorder_blocks.
2035
2036 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
2037
2038         PR tree-optimization/21030
2039         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
2040         ranges where VR->MAX is smaller than VR->MIN.
2041
2042 2005-04-29  Devang Patel  <dpatel@apple.com>
2043
2044         PR tree-optimization/21272
2045         PR tree-optimization/21266
2046         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
2047         
2048 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
2049
2050         * tree-flow-inline.h: Fix a comment typo.
2051         * doc/tree-ssa.texi: Fix a typo.
2052
2053         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
2054
2055 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
2056
2057         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
2058         gcc_unreachable as appropriate.
2059         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
2060         fr30_print_operand, fr30_move_double): Likewise.
2061         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
2062
2063 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
2064
2065         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
2066         definition has already been provided.
2067         (ARM_EABI_DTORS_SECTION_OP): Likewise.
2068         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
2069         (ARM_EABI_DTORS_SECTION_OP): Likewise.
2070
2071 2005-04-29  Jim Tison  <jtison@us.ibm.com>
2072
2073         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
2074         trace hooks calls to improve performance.
2075
2076 2005-04-29  Julian Brown  <julian@codesourcery.com>
2077             Mark Mitchell  <mark@codesourcery.com>
2078             Paul Brook  <paul@codesourcery.com>
2079
2080         * crtstuff.c: Handle targets that use .init_array.
2081         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
2082         that INVOKE__main is set correctly.
2083         (expand_main_function): Test INVOKE__main.
2084         * libgcc2.c: Do not define __main when using .init_array.
2085         * config/arm/arm.c (arm_elf_asm_constructor): New function.
2086         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
2087         libgcc version.
2088         (DTORS_SECTION_ASM_OP): Likewise.
2089         (CTOR_LIST_BEGIN): Define specially when in libgcc.
2090         (CTOR_LIST_END): Likewise.
2091         (DTOR_LIST_BEGIN): Likewise.
2092         (DTOR_LIST_END): Likewise.
2093         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
2094         (FINI_SECTION_ASM_OP): Likewise.
2095         (INIT_ARRAY_SECTION_ASM_OP): Define.
2096         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
2097         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
2098         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
2099         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
2100         (FINI_ARRAY_SECTION_ASM_OP): Likewise.  
2101
2102 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
2103
2104         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
2105         gcc_assert and gcc_unreachable as appropriate.
2106         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
2107         const_int_cost, output_move_const_into_data_reg,
2108         output_move_qimode, output_move_double, find_addr_reg,
2109         print_operand, print_operand_address): Likewise.
2110         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
2111         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
2112         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
2113         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
2114         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
2115         conditional_trap): Likewise.
2116         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
2117
2118 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
2119
2120         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
2121         gcc_unreachable as appropriate.
2122         (gen_conditional_move, xtensa_split_operand_pair,
2123         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
2124         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
2125         xtensa_copy_incoming_a7, xtensa_output_literal,
2126         xtensa_output_literal, xtensa_output_literal): Likewise.
2127         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
2128         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
2129         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
2130         movsicc_internal1, movsfcc_internal0,
2131         movsfcc_internal1): Likewise.
2132
2133 2005-04-28  James E Wilson  <wilson@specifixinc.com>
2134
2135         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
2136         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
2137
2138 2005-04-28  DJ Delorie  <dj@redhat.com>
2139
2140         * opt-functions.awk (var_set): Emit proper initializer for
2141         non-target bitfields.
2142
2143 2005-04-28  Devang Patel  <dpatel@apple.com>
2144
2145         * dbxout.c (have_used_extensions): Remove.
2146         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
2147         have_used_extensions.
2148         
2149 2005-04-28  James E Wilson  <wilson@specifixinc.com>
2150
2151         * doc/install.texi: Update -enable-languages info.  Correct path to
2152         html docs.
2153
2154 2005-04-28  DJ Delorie  <dj@redhat.com>
2155
2156         * optc-gen.awk (END): Make sure no variable is defined more
2157         than once.
2158         * opth-gen.awk (END): Allocate bits on a per-variable basis.
2159         Allow for bitfield variables other than target_flags.
2160         * doc/options.text (Mask): Document that you may specify a
2161         variable other than target_flags.
2162
2163 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
2164
2165         PR rtl-optimization/18877
2166         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
2167         number in val.start.
2168
2169 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
2170
2171         PR target/20813
2172         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
2173         MASK_PPC_GFXOPT.
2174         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
2175         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
2176         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
2177
2178 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
2179
2180         * arm.c (legitimize_pic_address): Fix sense of assertion test for
2181         creating pseudos when the base offset is too large.
2182
2183 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
2184
2185         * global.c (earlyclobber_regclass): Change the type to
2186         VEC(int,heap).
2187         (check_earlyclobber): Update uses of earlyclobber_regclass.
2188         (mark_reg_use_for_earlyclobber): Likewise.
2189         (calculate_local_reg_bb_info): Allocate and free
2190         earlyclobber_regclass using the VEC API.
2191
2192 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
2193
2194         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
2195         assert.
2196
2197 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
2198
2199         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
2200         (*targetm.foo).
2201
2202         * config.gcc: Obsolete c4x-* and tic4x-*.
2203
2204         * tree.h (edge_def): Remove.
2205
2206         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
2207         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
2208         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
2209         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
2210         where appropriate.
2211
2212         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
2213         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
2214         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
2215         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
2216         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
2217         machmode.def, mips-tfile.c, params.c, pretty-print.c,
2218         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
2219         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
2220         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
2221         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
2222         config/i386/cygming.h, config/i386/djgpp.h,
2223         config/i386/lynx.h, config/i386/netware.c,
2224         config/i386/winnt.c, config/ia64/ia64-c.c,
2225         config/iq2000/iq2000.c, config/m32r/little.h,
2226         config/m68k/m68k-protos.h, config/m68k/m68k.h,
2227         config/m68k/m68k.md, config/mcore/mcore.c,
2228         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
2229         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
2230         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
2231         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
2232         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
2233         config/pdp11/pdp11.h, config/rs6000/darwin.h,
2234         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
2235         config/s390/2064.md, config/s390/2084.md,
2236         config/s390/s390-modes.def, config/s390/s390-protos.h,
2237         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
2238         config/stormy16/stormy16.c, config/vax/vax-protos.h,
2239         config/vax/vax.c, config/vax/vax.h,
2240         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
2241         copyright.
2242
2243 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
2244
2245         * c-typeck.c (build_compound_expr): Correct logic in last change.
2246
2247 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
2248
2249         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
2250         parameters.  Replace conditional move code with assert checking for
2251         ar.lc.  Delete obsolete comments.
2252         (set_src_needs_barrier): Delete cond parameter, and code using it.
2253         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
2254         assert checking for PR_REGS.  Fix calls to update_set_flags and
2255         set_src_needs_barrier.
2256         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
2257         callers.  Rewrite explanatory comment before the function.
2258         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
2259         Fix all callers.
2260
2261 2005-04-27  Mike Stump  <mrs@apple.com>
2262
2263         * doc/cpp.texi: gcc now implements universal character names.
2264
2265 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
2266
2267         PR c/21159
2268         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
2269         being a compound expression whose right-hand side is cast to void.
2270
2271 2005-04-27  Caroline Tice  <ctice@apple.com>
2272
2273         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
2274         Remove targetm.have_named_sections test.
2275         (fix_edges_for_rarely_executed_code): Likewise.
2276         (insert_section_boundary_note): Likewise.
2277         (reorder_basic_blocks): Check partitioning flag before calling
2278         verify_hot_cold_block_grouping.
2279         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
2280         the function struct rather than global variables.
2281         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
2282         (COLD_END_LABEL): Likewise
2283         (cold_text_section_label): New static global variable.
2284         (cold_end_label): Likewise.
2285         (dwarf2out_switch_text_section): Get hot/cold section labels from
2286         the function struct rather than global variables; test to make sure
2287         cfun is defined.
2288         (output_aranges): Use cold_text_section_label and cold_end_label;
2289         check partitioning flag before putting out delta.
2290         (output_ranges): Remove incorrect code attempting to use
2291         hot/cold labels.
2292         (output_line_info): Get cold section label from function struct; test
2293         to make sure cfun is defined.
2294         (add_location_or_const_value_attribute): Likewise.
2295         (dwarf2out_var_location): Likewise.
2296         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
2297         write out cold_text_section_label if partition flag is set.
2298         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
2299         * function.h (struct function): Add new fields to point to hot/cold
2300         section labels: hot_section_label, cold_section_label,
2301         hot_section_end_label and cold_section_end_label; also add new field
2302         for cold text section name, unlikely_text_section_name.
2303         * opts.c (decode_options): Turn off partitioning flag if
2304         !targetm.have_named_sections.
2305         * output.h (hot_section_label): Remove.
2306         (hot_section_end_label): Remove.
2307         (cold_section_end_label): Remove.
2308         (unlikely_section_label): Remove.
2309         (unlikely_text_section_name): Remove.
2310         * passes.c (rest_of_handle_final):  Remove extra blank line.
2311         * varasm.c (unlikely_section_label): Remove.
2312         (hot_section_label): Remove.
2313         (hot_section_end_label): Remove.
2314         (cold_section_end_label): Remove.
2315         (unlikely_text_section_name):  Remove.
2316         (initialize_cold_section_name): Modify to call
2317         targetm.strip_name_encoding; to store cold section name in current
2318         function struct, if it exists; and to only use the decl_section_name
2319         if flag_named_sections is true.
2320         (unlikely_text_section): Modify to get section name out of current
2321         function struct, if there is one; otherwise build it from
2322         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
2323         (in_unlikely_text_section): Likewise.
2324         (named_section): Modify to get/put cold section name in current function
2325         struct, if there is one.
2326         (function_section):  Change 'bool unlikely' to 'int reloc'; check
2327         targetm.have_named_sections before calling named_section.
2328         (current_function_section): Likewise.
2329         (assemble_start_function): Modify to get/put unlikely_text_section_name
2330         in current function struct; modify to get hot/cold section labels
2331         from function struct; initialize labels using
2332         ASM_GENERATE_INTERNAL_LABEL;
2333         test partitioning flag before writing out hot section label.
2334         (assemble_end_function): Test partitioning flag before writing out
2335         hot/cold section labels.
2336         (default_section_type_flags_1):  Get cold text section name from
2337         function struct if there is one; Set flags correctly for
2338         cold text section if there is not a current function struct.
2339         
2340 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
2341
2342         * tree-ssa-propagate.c (set_rhs): Revert last change.
2343
2344 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
2345
2346         * explow.c (convert_memory_address): Add gcc_assert.
2347
2348 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
2349
2350         * configure.ac: Check for ld --sysroot support.
2351         * gcc.c: Document %R specifier for specs.
2352         (SYSROOT_SPEC): New macro.
2353         (sysroot_spec): New variable.
2354         (static_specs): Add sysroot_spec.
2355         (main): Pass the sysroot spec to the linker if appropriate.
2356         * configure: Regenerated.
2357         * config.in: Likewise.
2358
2359 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
2360
2361         * fold-const.c (fold_binary): Use build_fold_addr_expr
2362         for address calculation and INDIRECT_REF handling.
2363
2364 2005-04-27  Andrew Haley  <aph@redhat.com>
2365
2366         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
2367
2368 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2369
2370         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
2371         pointer when thumb backtracing is on.
2372
2373         * config/fp-bit.c (abort): Revert change.
2374
2375 2005-04-27  Ian Lance Taylor  <ian@airs.com>
2376
2377         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
2378
2379 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2380
2381         * tree-ssa-dce.c: Fix a comment typo.
2382
2383 2005-04-27  David S. Miller  <davem@davemloft.net>
2384
2385         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
2386         Kill setjmpless_size.  current_function_calls_setjmp is completely
2387         computed when we are called, so just use the optimized size value
2388         instead of using REG_SAVE_AREA notes.
2389         (optimize_save_area_alloca): Delete....
2390         * rtl.h (optimize_save_area_alloca): Likewise...
2391         * passes.c (rest_of_compilation): and don't call it any more.
2392         * reg-notes.def (SAVE_AREA): Delete.
2393         
2394 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2395
2396         * config/fp-bit.c (abort): Add noreturn attribute.
2397
2398         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
2399         gcc_unreachable as appropriate.
2400         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
2401         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
2402         ASM_OUTPUT_REG_POP): Likewise.
2403
2404 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
2405
2406         * tree-complex.c (expand_vector_operations_1): Do not build
2407         VIEW_CONVERT_EXPR's for the lhs.
2408
2409 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2410
2411         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
2412         unnecessary noncanonical RTL handling.
2413         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
2414         gcc_assert and gcc_unreachable.
2415
2416         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
2417         gcc_unreachable as appropriate.
2418         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
2419         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
2420         use_return_insn, const_ok_for_op, arm_gen_constant,
2421         arm_canonicalize_comparison, legitimize_pic_address,
2422         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
2423         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
2424         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
2425         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
2426         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
2427         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
2428         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
2429         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
2430         output_call, output_mov_long_double_fpa_from_arm,
2431         output_mov_long_double_arm_from_fpa,
2432         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
2433         output_move_double, arithmetic_instr, shift_op, int_log2,
2434         output_return_instruction, arm_output_function_prologue,
2435         arm_output_epilogue, arm_output_function_epilogue,
2436         emit_multi_reg_push, arm_get_frame_offsets,
2437         arm_compute_initial_elimination_offset, arm_expand_prologue,
2438         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
2439         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
2440         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
2441         thumb_compute_initial_elimination_offset,
2442         thumb_output_function_prologue, thumb_load_double_from_address,
2443         thumb_output_move_mem_multiple, thumb_reload_out_hi,
2444         arm_emit_vector_const, arm_dbx_register_number): Likewise.
2445         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
2446         * config/arm/arm.md (thumb_extendhisi2,
2447         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
2448         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
2449         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
2450         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
2451         * config/arm/cirrus.md (*cirrus_arm_movdi,
2452         *cirrus_movdf_hard_insn): Likewise.
2453         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2454
2455 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2456
2457         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
2458         (num_ssa_names): Use VEC_length.
2459         (ssa_names): Use VEC_index.
2460         * tree-ssanames.c (ssa_names): Change the type to
2461         VEC(tree,gc).
2462         (init_ssanames, fini_ssa_names, make_ssanames,
2463         release_ssa_name): Update uses of ssa_names.
2464
2465         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
2466         Use fold_buildN instead of fold (buildN (...)).
2467
2468 2005-04-27  Devang Patel <dpatel@apple.com>
2469
2470         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
2471
2472 2005-04-27  Matt Thomas <matt@3am-software.com>
2473             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
2474
2475         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
2476         (vax_output_mi_thunk): Ditto.
2477         (vax_notice_cc_update): Ditto.
2478         (INDEX_REGISTER_P): Add trailing \.
2479         (BASE_REGISTER_P): Add trailing \.
2480         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
2481
2482 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
2483
2484         * tree-ssa-propagate.c (set_rhs): Check operand of
2485         ADDR_EXPR for gimpliness, too.
2486
2487 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2488
2489         * tree-ssa-pre.c: Fix a comment typo.
2490
2491 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
2492
2493         PR tree-optimization/21171
2494         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
2495         record address uses if the reference is volatile.
2496
2497 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
2498
2499         * tree-complex.c (expand_vector_operation): New, extracted from
2500         expand_vector_operations_1.
2501         (tree_vec_extract): Build a NOP_EXPR.
2502         (expand_vec_parallel): Do not care about returning the correct type.
2503         (expand_vector_operations_1): Call expand_vector_operation.
2504         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
2505
2506         * tree-complex.c (gate_expand_vector_operations): New.
2507         (pass_lower_vector_ssa): Use it.
2508         * tree-optimize.c (init_tree_optimization_passes): Include
2509         pass_lower_vector_ssa.
2510         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
2511         (vectorizable_operation): Use it.
2512         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
2513         integer modes for the vector type.
2514
2515         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
2516         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
2517         Do not cope with UNITS_PER_SIMD_WORD == 0.
2518         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
2519         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
2520         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
2521         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
2522         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
2523         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
2524         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
2525
2526         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
2527         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
2528         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
2529
2530         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
2531         (UNITS_PER_SIMD_WORD): New.
2532
2533 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2534
2535         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
2536         gcc_unreachable as appropriate.
2537         (ia64_expand_load_address, ia64_expand_tls_address,
2538         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
2539         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
2540         next_scratch_gr_reg, ia64_initial_elimination_offset,
2541         ia64_expand_prologue, ia64_expand_epilogue,
2542         ia64_output_dwarf_dtprel, ia64_print_operand,
2543         ia64_register_move_cost, first_instruction, rws_access_regno,
2544         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
2545         ia64_sched_init, ia64_variable_issue,
2546         ia64_first_cycle_multipass_dfs_lookahead_guard,
2547         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
2548         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
2549         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
2550         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
2551         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2552         * config/ia64/predicates.md (got_symbolic_operand,
2553         sdata_symbolic_operand): Likewise.
2554         * config/ia64/vect.md (vcondv2sf): Likewise.
2555
2556 2005-04-27  Matt Thomas <matt@3am-software.com>
2557
2558         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
2559         CONSTANT_ADDRESS_P in config/vax/vax.h
2560         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h. 
2561         (INDEX_REGISTER_P): New.
2562         (BASE_REGISTER_P): New.
2563         (indirectable_constant_address_p): New.  Adapted from
2564         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
2565         (indirectable_address_p): New.  Adapted from
2566         INDIRECTABLE_ADDRESS_P in vax.h.
2567         (nonindexed_address_p): New.  Adapted from
2568         GO_IF_NONINDEXED_ADDRESS in vax.h.
2569         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
2570         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
2571         (legitimate_address_p): New.  Adapted from
2572         GO_IF_LEGITIMATE_ADDRESS in vax.h.
2573         (vax_mode_dependent_address_p): New.  Adapted from
2574         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
2575         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
2576         legitimate_constant_address_p.
2577         (CONSTANT_P): Use legitimate_constant_p.
2578         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
2579         (INDIRECTABLE_ADDRESS_P): Removed.
2580         (GO_IF_NONINDEXED_ADDRESS): Removed.
2581         (INDEX_TEMP_P): Removed.
2582         (GO_IF_REG_PLUS_INDEX): Removed.
2583         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
2584         definitions, depending on whether REG_OK_STRICT is defined.
2585         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
2586         Two definitions, depending on whether REG_OK_STRICT is defined.
2587         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
2588         added.
2589         (legitimate_constant_p): Prototype added.
2590         (legitimate_address_p): Prototype added.
2591         (vax_mode_dependent_address_p): Prototype added.
2592
2593 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2594
2595         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
2596
2597 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
2598
2599         PR c/21213
2600         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
2601         transparent union.
2602
2603 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
2604
2605         PR c/20740
2606         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
2607         assertion failures, if __gcc_host_wide_int__ is not properly
2608         defined.
2609         (init_dynamic_diag_info): Give errors, not assertion failures, if
2610         location_t, tree or __gcc_host_wide_int__ are not properly
2611         defined.
2612
2613 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
2614
2615         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
2616         n_iv_uses, iv_use, n_iv_cands, iv_cand,
2617         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
2618         prepare_decl_rtl, free_loop_data,
2619         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
2620         VARRAY.
2621
2622         * tree.h (tree_phi_node): Add a comment about the order of PHI
2623         arguments.
2624
2625 2005-04-26  Paul Brook  <paul@codesourcery.com>
2626
2627         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
2628
2629 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
2630
2631         * config/mips.mips.c (mips_legitimize_tls_address): Use
2632         gcc_unreachable.
2633
2634         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
2635         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
2636         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
2637
2638         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
2639         'abort'.
2640
2641 2005-04-26  Jeff Law  <law@redhat.com>
2642
2643         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
2644         (op_iter_init_must_and_may_def): Likewise.
2645         (unmodifiable_var_p): Move to a later point in the file.
2646         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
2647         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
2648         (dse_record_phis): Directly check for virtual operands rather than
2649         using need_imm_uses_for.
2650         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
2651         store has multiple V_{MAY,MUST}_DEF operands.
2652
2653 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
2654
2655         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
2656         stmt.
2657
2658 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
2659
2660         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
2661         call to find_edge outside a loop to go through a PHI chain.
2662
2663 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
2664
2665         PR tree-optimization/17598
2666         * fold-const.c (fold_binary): Fold comparisons of addresses
2667         of COMPONENT_REFs which reference the same field to
2668         comparisons of the addresses of the base objects.
2669
2670 2005-04-26  Julian Brown  <julian@codesourcery.com>
2671
2672         * config/arm/arm.c (arm_return_in_msb): New function.
2673         (arm_must_pass_in_stack): New function.
2674         (TARGET_RETURN_IN_MSB): Define target hook.
2675         (TARGET_MUST_PASS_IN_STACK): Define target hook.
2676         (arm_function_value): Pad small aggregate return.
2677         (arm_pad_arg_upward): New function.
2678         (arm_pad_reg_upward): New function.
2679         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
2680         (FUNCTION_ARG_PADDING): Define macro.
2681         (BLOCK_REG_PADDING): Define macro.
2682         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
2683         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
2684         (arm_pad_reg_upward): Declare function.
2685
2686 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
2687
2688         * basic-block.h (ei_cond): New.
2689         (FOR_EACH_EDGE): Call ei_cond.
2690
2691         PR tree-optimization/21047
2692         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
2693         (fold): Don't handle ASSERT_EXPR.
2694
2695 2005-04-25  Roger Sayle  <roger@eyesopen.com>
2696
2697         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
2698         all writes to any stack register as a read/write dependency on
2699         FIRST_STACK_REG.
2700         (sched_analyze_2): Likewise, for reads from any stack register.
2701
2702 2005-04-25  Richard Henderson  <rth@redhat.com>
2703
2704         * final.c (output_addr_const): Revert 2005-04-09 change.
2705
2706 2005-04-25  Mike Stump  <mrs@apple.com>
2707
2708         * config/darwin.c (darwin_encode_section_info): Always set
2709         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
2710
2711 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2712
2713         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
2714         gensupport.c, protoize.c, toplev.c: Replace calls to
2715         `unlock_stream' with `unlock_std_streams'.
2716
2717 2005-04-25  Devang Patel <dpatel@apple.com>
2718
2719         * dbxout.c (dbxout_type): Emit attribute vector.
2720         
2721 2005-04-05  Paul Brook  <paul@codesourcery.com>
2722
2723         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
2724         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
2725         * config/arm/arm.c (arm_cxx_atexit_name): New function.
2726         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
2727         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
2728         (register_dtor_fn): Likewise.
2729         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
2730
2731 2005-04-25  Ian Lance Taylor  <ian@airs.com>
2732
2733         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
2734         * c-common.h (EXPR_STMT_EXPR): Don't define.
2735         (c_common_stmt_codes): Don't define.
2736         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
2737         * c-gimplify.c (gimplify_expr_stmt): Remove.
2738         (c_gimplify_expr): Remove EXPR_STMT case.
2739         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
2740         to INIT_STATEMENT_CODES.
2741         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
2742
2743 2005-04-25  Jan Hubicka  <jh@suse.cz>
2744
2745         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
2746
2747         * except.c: Include diagnostic.h
2748         (dump_eh_tree, verify_eh_tree): New functions.
2749         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
2750         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
2751         (dump_function_to_file): dump eh tree.
2752         * tree-eh.c (mark_eh_edge): New function.
2753         (mark_eh_edge_found_error): New static variable.
2754         (verify_eh_edges): New function.
2755
2756 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
2757
2758         * tree-ssa-alias.c (fieldoff_t): Remove.
2759         (fieldoff_s): typedef the structure itself.  Create a vector of
2760         objects.
2761         (push_fields_onto_fieldstack): Return count of fields pushed.
2762         Remove peeling of first field.  Adjust.
2763         (fieldoff_compare): Adjust.
2764         (create_overlap_variables_for): Adjust.
2765
2766 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
2767
2768         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
2769
2770 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
2771
2772         PR bootstrap/21215
2773         * doc/install.texi: Document correct assembler and linker to use
2774         on i?86-*-solaris2.10.
2775
2776 2005-04-25  Steven Bosscher  <stevenb@suse.de>
2777
2778         Fix PR tree-optimization/21173
2779
2780         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
2781         Unshare expression we pass to force_gimple_operand.
2782
2783 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
2784             Stephen Clarke <stevec@superh.com>
2785             Roger Sayle <roger@eyesopen.com>
2786
2787         PR rtl-optimization/20413
2788         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
2789         VOIDmode for LABEL_REF.
2790         * final.c (shorten_branches): Likewise.
2791         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
2792         * loop.c (reg_dead_after_loop): Likewise.
2793         * varasm.c (decode_addr_const): Likewise.
2794         * doc/rtl.texi: Document mode requirement for LABEL_REF.
2795
2796 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
2797
2798         * config.gcc (avr-*-*): Remove redundant "case".
2799
2800 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
2801
2802         * tree-vect-analyze.c (vect_mark_relevant): Take
2803         VEC(tree,heap) instead of varray_type as an argument.
2804         (vect_mark_stmts_to_be_vectorized): Change the type of
2805         worklist to VEC(tree,heap).  Adjust uses of worklist.
2806
2807 2005-04-24  Devang Patel  <dpatel@apple.com>
2808
2809         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
2810         
2811 2005-04-24  Ian Lance Taylor  <ian@airs.com>
2812
2813         * c-semantics.c (build_stmt): Remove test of specific tree codes
2814         for TREE_SIDE_EFFECTS handling.
2815
2816 2005-04-24  Per Bothner  <per@bothner.com>
2817
2818         * c-opts.c (finish_options):  Make the line-number of the <built-in>
2819         location 0, as assumed elsewhere, rather than 1.
2820
2821 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
2822
2823         * tree-ssa-uncprop.c (equiv_stack): Change the type o
2824         VEC(tree,heap).
2825         (tree_ssa_uncprop, uncprop_finalize_block,
2826         uncprop_initialize_block): Update uses of equiv_stack.
2827
2828 2005-04-24  Richard Henderson  <rth@redhat.com>
2829
2830         PR rtl-opt/21163
2831         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
2832         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
2833         constm1_rtx.
2834         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
2835         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
2836         <DIV, MOD>: Likewise.
2837
2838 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2839
2840         * collect2.c (main): Unlock the stdio streams.
2841         * gcc.c (main): Likewise.
2842         * gcov-dump.c (main): Likewise.
2843         * gcov.c (main): Likewise.
2844         * gen-protos.c (main): Likewise.
2845         * gensupport.c (init_md_reader_args_cb): Likewise.
2846         * protoize.c (main): Likewise.
2847         * toplev.c (general_init): Likewise.
2848
2849 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
2850
2851         PR middle-end/20991
2852         * cgraph.h (cgraph_local_info): Add vtable_method field.
2853         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
2854         and node is vtable_method, finalized and not reachable, don't do
2855         anything.
2856
2857 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
2858
2859         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
2860         COMPARISON_CLASS_P.
2861         * tree-ssa-pre.c (create_value_expr_from): Use
2862         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
2863         * tree-ssa-propagate.c (stmt_makes_single_load,
2864         stmt_makes_single_store): Use REFERENCE_CLASS_P.
2865         * tree-vect-transform.c (vect_is_simple_cond): Use
2866         COMPARISON_CLASS_P.
2867         * tree-vrp.c (extract_range_from_assert,
2868         build_assert_expr_for, fp_predicate, has_assert_expr): Use
2869         COMPARISON_CLASS_P.
2870
2871         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
2872         of tpa_to_clear to VEC(int,heap).  Update uses of
2873         tpa_to_clear.  Free tpa_to_clear at the end.
2874
2875 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
2876
2877         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
2878         function decl.
2879
2880 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
2881
2882         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
2883         and gcc_unreachable as appropriate.
2884         (num_insns_constant, output_vec_const_move,
2885         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
2886         rs6000_emit_set_const, rs6000_emit_move,
2887         spe_build_register_parallel, function_arg,
2888         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
2889         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
2890         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
2891         rs6000_common_init_builtins, expand_block_clear,
2892         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
2893         extract_ME, rs6000_get_some_local_dynamic_name,
2894         rs6000_output_function_entry, print_operand,
2895         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
2896         output_cbranch, output_e500_flip_gt_bit,
2897         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
2898         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
2899         compute_save_world_info, rs6000_stack_info,
2900         rs6000_emit_load_toc_table, rs6000_frame_related,
2901         spe_synthesize_frame_save, rs6000_emit_epilogue,
2902         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
2903         output_function_profiler, rs6000_trampoline_size,
2904         rs6000_initialize_trampoline, find_addr_reg,
2905         rs6000_machopic_legitimize_pic_address,
2906         rs6000_initial_elimination_offset,
2907         rs6000_dbx_register_number): Likewise.
2908         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
2909         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
2910         *movti_power, *movti_string, call, call_value, sibcall,
2911         sibcall_value): Likewise.
2912         * config/rs6000/spe.md (*movdf_e500_double,
2913         *movv2si_internal): Likewise.
2914         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
2915         from comment.
2916
2917 2005-04-24  Richard Henderson  <rth@redhat.com>
2918
2919         PR target/21101
2920         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
2921         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
2922         Deny modes smaller than 4 bytes.
2923         * config/i386/i386-protos.h: Update.
2924
2925 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
2926
2927         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
2928         Switch h8300-*-rtems* to ELF.
2929
2930 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
2931
2932         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
2933
2934 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2935
2936         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
2937
2938 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
2939
2940         PR middle-end/21082
2941         * fold-const.c: Fold &a[i]-&a[j] to i-j.
2942
2943 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
2944
2945         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
2946         definitions of ssa names in condition.  Split recusive part to ...
2947         (tree_simplify_using_condition_1): New function.
2948         (expand_simple_operations): New function.
2949
2950 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
2951
2952         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
2953         (find_interesting_uses_cond): Do not use integer_zerop and
2954         integer_nonzerop to check for integer constants.
2955         (set_use_iv_cost): Record the value field.
2956         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
2957         determine_use_iv_cost_outer): Set the value field of the cost pair.
2958         (may_eliminate_iv): Do not return the comparison code.
2959         (iv_elimination_compare): New function.
2960         (determine_use_iv_cost_condition): Set the value field.  Record
2961         noneliminable invariants correctly.
2962         (rewrite_use_compare, rewrite_use_outer): Use the value field.
2963
2964 2005-04-23  DJ Delorie  <dj@redhat.com>
2965
2966         * diagnostic.c (warning): Accept parameter to classify warning option.
2967         (warning0): New, for when a pointer to an error() like function is needed.
2968         * errors.c (warning): Likewise.
2969         * errors.h (warning, warning0): Adjust prototypes.
2970         * toplev.h (warning, warning0): Likewise.
2971
2972         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
2973         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
2974         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
2975         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
2976         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
2977         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
2978         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
2979         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
2980
2981         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
2982         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
2983         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
2984         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
2985         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
2986         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
2987         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
2988         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
2989         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
2990         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
2991         config/rs6000/aix52.h, config/rs6000/darwin.h,
2992         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
2993         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2994         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
2995         config/stormy16/stormy16.c, config/v850/v850-c.c,
2996         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
2997         callers.
2998         
2999 2005-04-23  Richard Henderson  <rth@redhat.com>
3000
3001         PR rtl-opt/21102
3002         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
3003         performing some integral scalar simplifications.
3004
3005 2005-04-23  Richard Henderson  <rth@redhat.com>
3006
3007         PR target/21099
3008         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
3009         simplifying CONST_VECTOR.
3010
3011 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
3012
3013         * tree-ssa-live.c (live_worklist): Take a stack allocated on
3014         heap as an argument.  Update uses of stack.
3015         (calculate_live_on_entry): Allocate stack on heap.
3016
3017         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
3018         partition_link and tpa_nodes on heap.
3019
3020         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
3021         (mark_stmt_necessary, propagate_necessity,
3022         mark_really_necessary_kill_operand_phis): Update uses of
3023         worklist.
3024         (tree_dce_init): Allocate worklist using VEC_alloc.
3025         (tree_dce_done): Free worklist using VEC_free.
3026
3027 2005-04-23  Mike Stump  <mrs@apple.com>
3028
3029         * config/darwin.c (machopic_indirection_name): Don't use
3030         quotes needlessly.
3031         (darwin_emit_unwind_label): Use user_label_prefix instead of
3032         "_".
3033
3034 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
3035
3036         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
3037
3038 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
3039
3040         * config.gcc <cris-*>: Specify .opt files.
3041         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
3042         config/cris/linux.opt: New files.
3043         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
3044         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
3045         (TARGET_ELF): Override to 0.
3046         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
3047         -melinux-stacksize=N.
3048         * config/cris/cris.c: (cris_handle_option): New function.
3049         (TARGET_DEFAULT_TARGET_FLAGS): Override.
3050         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
3051         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
3052         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
3053         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
3054         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
3055         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
3056         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
3057         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
3058         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
3059         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
3060         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
3061         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
3062         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
3063         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
3064         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
3065         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
3066         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
3067         (TARGET_LINUX): Define 0.
3068         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
3069         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
3070         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
3071         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
3072         (TARGET_LINUX): Override to 1.
3073         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
3074
3075 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3076
3077         * haifa-sched.c (schedule_block): Fix thinko in previous
3078         assertification patch.
3079
3080 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
3081
3082         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
3083         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
3084         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
3085         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
3086         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
3087         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
3088         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
3089         for hpux11.[1-9]*.
3090         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
3091         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
3092         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
3093         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
3094         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
3095         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
3096         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
3097         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
3098         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
3099         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
3100         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
3101         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
3102         (SUBTARGET_OPTIONS): Delete.
3103         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
3104         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
3105         instead of a string.
3106         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
3107         (pa_cpu_string, pa_unix_string): Delete.
3108         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
3109         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
3110         TARGET_HPUX_10_10.
3111         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3112         (pa_handle_option): New function.
3113         (override_options): Remove handling of -march=, -mfixed-range=,
3114         -mschedule= and -munix=.
3115         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
3116         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
3117         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
3118         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
3119         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
3120         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
3121         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
3122         redefining.
3123         * config/pa/pa.opt: New file.
3124         * config/pa/pa-hpux.opt: New file.
3125         * config/pa/pa-hpux1010.opt: New file.
3126         * config/pa/pa-hpux1111.opt: New file.
3127         * config/pa/pa64-hpux.opt: New file.
3128
3129 2005-04-22  David S. Miller  <davem@davemloft.net>
3130
3131         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
3132         integer when it's mode is VOIDmode not DImode.
3133
3134 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
3135
3136         * config/rs6000/rs6000.md (sync_add<mode>_internal,
3137         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
3138         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
3139         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
3140         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
3141         "bne- $-xxx" rather than local labels.
3142         (sync_lock_release<mode>): Add second operand.
3143         (lwsync): Use .long rather than a more meaningful opcode.
3144         * doc/md.texi (Standard Names): Add description of second
3145         parameter to sync_lock_test_and_set.
3146
3147 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
3148
3149         PR tree-optimization/21088
3150         * fold-const.c (fold_unary, fold_binary, fold_ternary):
3151         Export.
3152         * tree-vrp.c (compare_values): Use fold_binary to compare
3153         pointers.  Use boolean_type_node as the type of a comparison
3154         expression being folded.
3155         * tree.h: Add prototypes for fold_unary, fold_binary,
3156         fold_ternary.
3157
3158         * tree-ssa-dom.c: Fix formatting.
3159
3160 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
3161
3162         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
3163         * lambda-code.c (perfect_nestify): Mark virtual operands in
3164         the moved statement for renaming.
3165         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
3166         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
3167         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
3168         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
3169         * tree-flow.h (struct var_ann_d): Update comments.
3170         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
3171         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
3172         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
3173         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
3174         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
3175         debug_names_replaced_by): Remove declarations.
3176         (delete_update_ssa, get_current_def, set_current_def): Declare.
3177         (rewrite_into_loop_closed_ssa): Add new argument.  Update
3178         all callers.
3179         * tree-into-ssa.c: Include params.h.
3180         (old_virtual_ssa_names): Remove.  Update all users.
3181         (need_to_replace_names_p): Remove.  Update all users.
3182         (struct update_ssa_stats_d): Declare.
3183         (update_ssa_stats): New local.
3184         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
3185         dump_tree_ssa_stats, debug_tree_ssa_stats,
3186         dump_update_ssa, debug_update_ssa,
3187         dump_names_replaced_by, debug_names_replaced_by): Declare.
3188         (get_current_def, set current_def): Make extern.
3189         (is_old_name, is_new_name): Protect against references
3190         past the end of the sets.
3191         (add_new_name_mapping): Assert that OLD and NEW are
3192         different SSA names for the same symbol.
3193         When adding a virtual mapping, update stats for virtual
3194         mapping heuristic.
3195         (insert_phi_nodes_for): If UPDATE_P is true, create the
3196         LHS of the new PHI by duplicating SSA name VAR.
3197         (insert_phi_nodes_1): Remove.  Update all users.
3198         (insert_phi_nodes): Remove second argument.  Update all
3199         users.
3200         (maybe_replace_use, maybe_replace_def): New.
3201         (rewrite_update_stmt): Call them.
3202         (mark_def_interesting): Remove calls to is_gimple_reg.
3203         (prepare_phi_args_for_update): Remove.  Update all users.
3204         (prepare_block_for_update): Only process virtual operands
3205         and GIMPLE registers in normal form.
3206         (prepare_use_sites_for): New.
3207         (prepare_names_to_update): Rename from prepare_def_sites.
3208         Call prepare_use_sites_for.
3209         (dump_update_ssa): Rename from dump_repl_tbl.
3210         Update all users.
3211         Show statistics for virtual mapping heuristic.
3212         (debug_update_ssa): Rename from debug_debug_repl_tbl.
3213         (init_update_ssa): Initialize UPDATE_SSA_STATS.
3214         (delete_update_ssa): Make extern.
3215         (mark_set_for_renaming): If the set is empty, do nothing.
3216         (release_ssa_name_after_update_ssa): Update comment.
3217         (insert_updated_phi_nodes_for): Do not remove existing
3218         PHI nodes for symbols.
3219         (switch_virtuals_to_full_rewrite_p): New.
3220         (switch_virtuals_to_full_rewrite): New.
3221         (update_ssa): Call them.
3222         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
3223         for every statement before updating.
3224         If all the names in NEW_SSA_NAMES have been marked for
3225         removal, do nothing.
3226         Only start at the top of the CFG if there are symbols in
3227         SYMS_TO_RENAME.
3228         (ssa_rewrite_finalize_block): Remove.
3229         (ssa_register_new_def): Remove.
3230         (ssa_rewrite_stmt): Remove.
3231         (ssa_rewrite_phi_arguments): Remove.
3232         (ssa_rewrite_initialize_block): Remove.
3233         (ssa_mark_def_sites): Remove.
3234         (ssa_mark_def_sites_initialize_block): Remove.
3235         (ssa_mark_phi_uses): Remove.
3236         (rewrite_ssa_into_ssa): Remove.
3237         * tree-phinodes.c (find_phi_node_for): Remove.
3238         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
3239         Call update_ssa.
3240         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
3241         Remove calls to verify_dominators and
3242         verify_loop_structure.
3243         (tree_unswitch_single_loop): Call update_ssa.
3244         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
3245         returns false.
3246         Call verify_stmts.
3247         (delete_tree_ssa): Assert that need_ssa_update_p returns
3248         false.
3249         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
3250         * tree-vectorizer.c (allocate_new_names, rename_def_op,
3251         free_new_names): Remove.  Update all users.
3252         (rename_use_op): Call get_current_def.
3253         (rename_variables_in_bb): Do not handle any real or
3254         virtual definition.
3255         (slpeel_update_phis_for_duplicate_loop): Call
3256         get_current_def and set_current_def instead of using
3257         SSA_NAME_AUX.
3258         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
3259         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
3260         ssa_names_to_replace and delete_update_ssa.
3261         * doc/invoke.texi: Document --param min-virtual-mappings
3262         and --param virtual-mappings-ratio.
3263
3264 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
3265
3266         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
3267         for newly created PHI nodes.
3268         Call create_new_def_for for every new V_MAY_DEF and
3269         V_MUST_DEF on the copied statement.
3270         (struct ssa_name_map_entry): Remove.
3271         (ssa_name_map_entry_hash): Remove.
3272         (ssa_name_map_entry_eq): Remove.
3273         (allocate_ssa_names): Remove.
3274         (rewrite_to_new_ssa_names_def): Remove.
3275         (rewrite_to_new_ssa_names_use): Remove.
3276         (rewrite_to_new_ssa_names_bb): Remove.
3277         (rewrite_to_new_ssa_names): Remove.
3278         (tree_duplicate_sese_region): Remove variables ver,
3279         definitions, phi, ssa_name_map and bi.
3280         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
3281         Call update_ssa.
3282         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
3283         update_ssa instead of rewrite_ssa_into_ssa.
3284         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
3285         create_new_def_for.
3286         (find_uses_to_rename_use): Add argument 'need_phis'.
3287         (find_uses_to_rename_stmt): Do not scan virtual operands.
3288         (find_uses_to_rename): Only scan PHI nodes for
3289         non-virtual names.
3290         (rewrite_into_loop_closed_ssa): Call update_ssa.
3291         (check_loop_closed_ssa_use): Ignore virtual operands.
3292         (check_loop_closed_ssa_stmt): Likewise.
3293         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
3294         NULL.
3295         (rename_variables, set_phi_def_stmts): Remove.
3296         (tree_duplicate_loop_to_header_edge): Reformat comment.
3297         Remove variables BB, I and DEFINITIONS.
3298         Call need_ssa_update_p.
3299         Call update_ssa.
3300         (lv_adjust_loop_header_phi): Reformat comment.
3301         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
3302         (marked_for_rewrite_p, any_marked_for_rewrite_p,
3303         mark_for_rewrite, unmark_all_for_rewrite,
3304         marked_ssa_names): Remove.  Update all users.
3305         (release_ssa_name): If VAR has been registered for SSA
3306         updating, do nothing.
3307         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
3308         (build_assert_expr_for): Call register_new_name_mapping.
3309         (insert_range_assertions): Update call to update_ssa.
3310         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
3311         marked_for_rewrite_p, any_marked_for_rewrite_p,
3312         marked_ssa_names): Remove.
3313
3314 2005-04-22  Jeff Law  <law@redhat.com>
3315
3316         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
3317         (restore_currdefs_to_original_value): Likewise.
3318         (register_definitions_for_stmt): Likewise.
3319         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
3320         for each variable.  Do not allocate/free block_defs_stack either.
3321         Do not iterate if we just thread jumps.  Only iterate if the
3322         tree_cleanup_cfg does useful work (temporary).
3323         (dom_opt_initialize_block): No longer push a marker on
3324         BLOCK_DEFS_STACK.
3325         (dom_opt_finalize_block): Removal call to restore currdefs.
3326         Relax restrictions for recording edge equivalences.
3327         (record_equivalences_from_phis): No longer need to track
3328         CURRENT_DEF.
3329         (optimize_stmt): Similarly.
3330         (thread_across_edge): Simplify by removing the requirement that
3331         statements in the block we are threading through must be nops.
3332         (initialize_hash_element): Handle GOTO_EXPR.
3333
3334 2005-04-22  David S. Miller  <davem@davemloft.net>
3335
3336         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
3337         CONST_DOUBLE_HIGH.
3338         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
3339         fix check on CONST_DOUBLE mode.  It should be VOIDmode
3340         when it is representing an integer.
3341
3342 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3343
3344         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
3345         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
3346         * c-format.c (get_constant, decode_format_attr, get_flag_spec, 
3347         find_char_info_specifier_index,
3348         find_length_info_modifier_index): Likewise.
3349         * c-typeck.c (composite_type, pop_init_level): Likewise.
3350         * combine.c (cant_combine_insn_p, try_combine): Likewise.
3351         * cse.c (cse_insn): Likewise
3352         * dominance.c (calc_dfs_tree): Likewise
3353         dwarf2out.c (loc_descriptor_from_tree_1,
3354         add_abstract_origin_attribute, force_decl_die,
3355         force_type_die): Likewise
3356         emit-rtl.c (operand_subword_force): Likewise
3357         explow.c (hard_function_value): Likewise
3358         expmed.c (store_bit_field, expand_divmod,
3359         emit_store_flag_force): Likewise
3360         expr.c (emit_move_multi_word, store_expr,
3361         expand_expr_real_1): Likewise
3362         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
3363         output_operand): Likewise
3364         flow.c (recompute_reg_usage): Likewise
3365         * function.c (assign_stack_temp_for_type, assign_temp, 
3366         handle_epilogue_set): Likewise
3367         * genextract.c (main): Likewise
3368         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
3369         gimplify_modify_expr_rhs, gimplify_expr): Likewise
3370         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
3371         ready_remove, rm_line_notes, rm_other_notes,
3372         schedule_block): Likewise
3373         mips-tfile.c (copy_object, out_of_bounds): Likewise
3374
3375 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
3376
3377         PR target/20813
3378         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
3379         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
3380         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
3381         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
3382         TARGET_XL_COMPAT.
3383         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
3384
3385 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3386
3387         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
3388         (gcc_tree_to_linear_expression): Convert to heap allocated
3389         vectors.
3390         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
3391         lbv_to_gcc_expression, lle_to_gcc_expression,
3392         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, 
3393         perfect_nestify): Likewise.
3394         lambda.h (gcc_loopnest_to_lambda_loopnest,
3395         lambda_loopnest_to_gcc_loopnest): Likewise.
3396         tree-loop-linear.c (linear_transform_loops): Likewise.
3397
3398 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
3399
3400         * config/sparc/predicates.md (arith_double_operand): Use
3401         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
3402         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
3403         (DImode, DFmode constant splitters): Likewise.  Remove code for
3404         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
3405         (logical constant splitters): Use const_int_operand predicate.
3406         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
3407         HOST_BITS_PER_WIDE_INT < 64.
3408
3409 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3410
3411         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
3412         gcc_unreachable as appropriate.
3413         (force_mode, emit_move_sequence, singlemove_string,
3414         output_move_double, output_fp_move_double, find_addr_reg,
3415         output_block_move, output_block_clear, output_and,
3416         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
3417         pa_adjust_cost, pa_issue_rate, print_operand,
3418         output_global_address, output_arg_descriptor, output_cbranch,
3419         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
3420         output_call): Likewise.
3421         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
3422         prefetch, prefetch_cc, prefetch_nocc): Likewise.
3423
3424 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
3425
3426         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
3427         _gcov_pow2_profiler and _gcov_one_value_profiler.
3428         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
3429         (GTFILES): Add $(srcdir)/tree-profile.c.
3430         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
3431         __gcov_one_value_profiler): Declare.
3432         * gimplify.c (force_gimple_operand): Check whether the statements
3433         should be produced in ssa form.
3434         (force_gimple_operand_bsi): New function.
3435         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
3436         __gcov_one_value_profiler): New functions.
3437         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
3438         the profiled value is a power of two or not.
3439         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
3440         * tree-flow.h (in_ssa_p): Declare.
3441         (force_gimple_operand_bsi): Declare.
3442         * tree-into-ssa.c (in_ssa_p): New variable.
3443         (rewrite_into_ssa): Set in_ssa_p.
3444         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
3445         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
3446         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
3447         tree_one_value_profiler_fn): New variables.
3448         (tree_init_edge_profiler): Initialize the profiler function decls.
3449         (tree_gen_edge_profiler): Use global gcov_type_node.
3450         (prepare_instrumented_value): New function.
3451         (tree_gen_interval_profiler, tree_gen_interval_profiler,
3452         tree_gen_one_value_profiler): Call the library functions instead of
3453         creating instrumentation code.
3454         * tree.c (build_fn_decl): New function.
3455         * tree.h (build_fn_decl): Declare.
3456         * value-prof.c (rtl_divmod_values_to_profile,
3457         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
3458         tree_mod_pow2_value_transform, tree_find_values_to_profile):
3459         Do not handle may_be_other and precise values of exponents at pow2
3460         profiler.
3461         (tree_mod_subtract_transform): Reflect that value field of
3462         histogram has changed meaning.
3463         (tree_divmod_values_to_profile): Record the values correctly.
3464         (tree_values_to_profile): Update comment.
3465         * value-prof.h (struct histogram_value_t): Remove pow2 data.
3466
3467 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
3468
3469         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
3470         (decl).
3471
3472 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3473
3474         * config/i386/i386.md (length_immediate): Use gcc_assert or
3475         gcc_unreachable, as appropriate.
3476         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
3477         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
3478         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
3479         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
3480         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
3481         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
3482         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
3483         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
3484         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
3485         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
3486         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
3487         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
3488         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
3489         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
3490         *prefetch_sse_rex): Likewise.
3491         * config/i386/predicates.md (x86_64_immediate_operand,
3492         x86_64_zext_immediate_operand, symbolic_operand,
3493         no_seg_address_operand, aligned_operand,
3494         memory_displacement_operand): Likewise.
3495         * config/i386/sse.md (*mov<mode>_internal,
3496         *movv2df_internal): Likewise.
3497
3498 2005-04-22  Jan Hubicka  <jh@suse.cz>
3499
3500         * Makefile.in (ipa.o, ipa-inline.o): New files.
3501         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
3502         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
3503         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
3504         * cgraphunit.c (cgraph_default_inline_p,
3505         cgraph_decide_inlining_incrementally,  ncalls_inlined,
3506         nfunctions_inlined, initial_insns, overall_insns, 
3507         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
3508         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
3509         cgraph_mark_inline, cgraph_check_inline_limits,
3510         cgraph_default_inline_p, cgraph_recursive_inlining_p,
3511         update_callee_keys, lookup_recursive_calls,
3512         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
3513         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
3514         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
3515         pass_ipa_inline): Move to ipa-inline.c
3516         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
3517         * ipa.c: New file.
3518         * ipa-inline.c: New file.
3519
3520 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
3521
3522         * doc/invoke.texi (SPARC options): Document that -mapp-regs
3523         is turned off by default on Solaris.
3524
3525 2005-04-21  Roger Sayle  <roger@eyesopen.com>
3526
3527         * c-common.h (objc_build_method_signature): Update prototype.
3528         * stub-objc.c (objc_build_method_signature): Update the stub
3529         implementation to accept and ignore additional parameter.
3530         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
3531         the value of ellipsis to objc_build_method_signature instead
3532         of setting TREE_OVERFLOW on the parms TREE_LIST node.
3533
3534 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
3535
3536         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
3537         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
3538         gen_rtx_* not gen_rtx_fmt_*.
3539         (rs6000_emit_vector_select): Likewise.
3540         (rs6000_emit_sync): New.
3541         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
3542         (larx, stcx, cmp): New mode substitutions.
3543         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
3544         UNSPEC_ISYNC): New constants.
3545         (rlwinm): Give name.
3546         (memory_barrier, isync, lwsync): New insns.
3547         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
3548         (sync_lock_release<mode>): New expander.
3549         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
3550         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
3551         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
3552         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
3553         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
3554         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
3555         (sync_add<mode>_internal, sync_addshort_internal,
3556         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
3557         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
3558         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
3559
3560         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
3561         is the memory before, not after, the operation.  Clarify
3562         barrier requirements.
3563
3564 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3565
3566         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
3567         * lambda.h (lambda_vector_min_nz): Likewise.
3568         * langhooks.h (struct lang_hooks_for_types,
3569         struct lang_hooks): Likewise.
3570         * output.h (assemble_integer, this_is_asm_operands): Likewise.
3571         * tree.h: Likewise.
3572         * vec.h: Likewise.
3573         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
3574         
3575         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
3576         comments to avoid 'abort'.  Use gcc_assert as necessary.
3577         * opts.c (common_handle_option): Likewise.
3578         * pretty-print.c (pp_base_format_text): Likewise.
3579         * print-rtl.c (print_rtx): Likewise.
3580         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
3581         * regmove.c (try_auto_increment): Likewise.
3582         * reload.c (find_valid_class, find_reloads_toplev,
3583         find_equiv_reg): Likewise.
3584         * reload1.c (reload, forget_old_reloads_1, function_invariant_p, 
3585         merge_assigned_reloads): Likewise.
3586         * tree-inline.c (inline_forbidden_p_1,
3587         estimate_num_insns_1): Likewise.
3588         * tree-optimize.c (execute_todo): Likewise.
3589         * tree-outof-ssa.c (eliminate_phi): Likewise.
3590         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
3591         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
3592         * tree-ssa-operands.c (parse_ssa_operands,
3593         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
3594         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
3595         * tree-ssanames.c (release_ssa_name): Likewise.
3596         * tree.c (int_bit_position, int_byte_position, tree_low_cst, 
3597         walk_tree): Likewise.
3598
3599         * tree-ssa-operands.c (verify_abort): Fold into ..
3600         (verify_imm_links): ... here.
3601
3602 2005-04-21  Richard Henderson  <rth@redhat.com>
3603
3604         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
3605         on non-memory operand for previous inversion.
3606
3607 2005-04-21  Devang Patel  <dpatel@apple.com>
3608
3609         PR optimization/20994
3610         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
3611         x = !(a == b) : p , q;.
3612         (pass_if_conversion): Verify stmts and flow.
3613         
3614 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3615
3616         * optabs.c (gen_conditional_trap): Restore #define.
3617
3618         * alias.c (true_dependence): Remove 'abort' from comments. Use
3619         gcc_assert and gcc_unreachable as appropriate.
3620         (canon_true_dependence): Likewise.
3621         * bb-reorder.c (connect_traces): Likewise.
3622         * c-common.c (c_add_case_label): Likewise.
3623         * c-decl.c (finish_function): Likewise.
3624         * caller-save.c (insert_restore, insert_save): Likewise.
3625         * cfg.c (update_bb_profile_for_threading): Likewise.
3626         * cfganal.c (flow_active_insn_p): Likewise.
3627         * cfgexpand.c (add_reg_br_prob_note): Likewise.
3628         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
3629         cfg_layout_merge_blocks): Likewise.
3630         * ifcvt.c (cond_exec_process_insns, merge_if_block,
3631         find_if_block): Likewise.
3632         * integrate.c (allocate_initial_values): Likewise.
3633         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
3634         swap_condition, unsigned_condition, signed_condition,
3635         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
3636         reg_or_subregno): Likewise.
3637         * lambda-code.c (lambda_compute_auxillary_space,
3638         lambda_transform_legal_p): Likewise.
3639         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
3640         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
3641         lhd_incomplete_type_error, lhd_expand_expr,
3642         lhd_types_compatible_p, lhd_tree_size): Likewise.
3643         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
3644         * local-alloc.c (update_equiv_regs): Likewise.
3645         * loop-unroll.c (peel_loop_completely
3646         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3647         peel_loop_simple, unroll_loop_stupid,
3648         analyze_iv_to_split_insn): Likewise.
3649         * loop.c (gen_prefetch, find_and_verify_loops,
3650         basic_induction_var): Likewise.
3651         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
3652         * value-prof.c (tree_find_values_to_profile): Likewise.
3653         * varasm.c (named_section, default_assemble_integer,
3654         decode_addr_const): Likewise.
3655
3656 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
3657            Fariborz Jahanian <fjahanian@apple.com>
3658
3659         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
3660         portion of argument passed in fpr.
3661         * expr.c (emit_push_insn): Fix computation of 'offset' used to
3662         decide on partial argument save on stack.
3663
3664 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
3665
3666         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
3667         comment typos.
3668
3669 2005-04-21  Jan Hubicka  <jh@suse.cz>
3670
3671         * cgraphunit.c: Include tree-pass.h
3672         (cgraph_decide_recursive_inlining,
3673         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
3674         cgraph_decide_inlining): Dump goes to dump_file.
3675         (cgraph_optimize): Call ipa passes instead of inliner.
3676         (cgraph_gate_inlining, pass_ipa_inline): New.
3677         * tree-optimize.c (all_ipa_passes): New static variable.
3678         (register_one_dump_file): Dead with IPA passes.
3679         (register_dump_files): Likewise.
3680         (init_tree_optimization_passes): Initialize IPA passes.
3681         (execute_todo): Do cgraph dump when asked to, do not dump function body
3682         for IPA pass.
3683         * tree-pass.h (TODO_dump_cgraph): New macro.
3684         (ipa_passes): Declare.
3685         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
3686
3687 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3688
3689         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
3690         gcc_assert instead of abort.
3691         (classify_argument, examine_argument, construct_container,
3692         contains_128bit_aligned_vector_p, ix86_check_movabs,
3693         standard_80387_constant_opcode, standard_80387_constant_rtx,
3694         ix86_initial_elimination_offset, ix86_compute_frame_layout,
3695         pro_epilogue_adjust_stack, ix86_expand_epilogue,
3696         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
3697         legitimize_tls_address, output_pic_addr_const,
3698         i386_output_dwarf_dtprel, put_condition_code, print_reg,
3699         get_some_local_dynamic_name, print_operand, print_operand_address,
3700         output_387_binary_op, emit_i387_cw_initialization,
3701         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
3702         ix86_expand_clear, ix86_expand_binary_operator,
3703         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
3704         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
3705         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
3706         ix86_expand_branch, ix86_expand_setcc,
3707         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
3708         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
3709         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
3710         memory_address_length, ix86_attr_length_immediate_default,
3711         ix86_attr_length_address_default, ix86_agi_dependant,
3712         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
3713         ix86_expand_binop_builtin, ix86_force_to_memory,
3714         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
3715         x86_emit_floatuns): Likewise.
3716         * config/i386/netware.c (gen_regparm_prefix,
3717         i386_nlm_strip_name_encoding): Likewise.
3718         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
3719
3720 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3721
3722         * optabs.c (gen_condiational_trap): Remove #define.
3723         (add_equal_note): Assertify. Remove explicit indirection from
3724         call via function pointer.
3725         (expand_ternary_op, expand_simple_binop, expand_binop,
3726         expand_twoval_unop, expand_twoval_binop,
3727         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
3728         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
3729         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
3730         prepare_float_lib_cmp, emit_conditional_move,
3731         emit_conditional_add, gen_add2_insn, gen_add3_insn,
3732         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
3733         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
3734         vector_compare_rtx, expand_vec_cond_expr): Likewise.
3735
3736 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3737
3738         * vec.h: Update API to separate allocation mechanism from type.
3739         (VEC_safe_grow): New.
3740         * vec.c (calculate_allocation): New.
3741         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
3742         (vec_gc_free, vec_heap_free): Remove.
3743         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
3744         (VEC): Likewise.
3745         (mangle_macro_name): New.
3746         (struct macro_def): New.
3747         (struct macro): Add multiple argument values.
3748         (macro_expans_end): New.
3749         (push_macro_expansion):  Chain on new macro. Process multiple
3750         args, create follow on expansion. Return follow on argument.
3751         (macro_input): Deal with multiple arguments.
3752         
3753         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
3754         (struct tree_binfo): Adjust.
3755         * basic-block.h: Define VEC(edge,gc).
3756         (struct edge_def): Adjust.
3757         (struct basic_block_def, struct edge_iterator): Likewise.
3758         (ei_container, ei_start_1, ei_last_1): Likewise.
3759         * cfg.c (connect_src, connect_dest): Likewise.
3760         * cfgrtl.c (force_nonfallthru_and_redirect)
3761         * dbxout.c (dbxout_type)
3762         * dwarf2out.c (gen_member_die)
3763         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
3764         (gcc_tree_to_linear_expression): Adjust.
3765         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
3766         lbv_to_gcc_expression, lle_to_gcc_expression,
3767         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
3768         perfect_nestify): Likewise.
3769         * lambda.h (gcc_loopnest_to_lambda_loopnest,
3770         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
3771         * profile.c (instrument_values): Adjust.
3772         * tree-cfg.c (modified_noreturn_calls): Adjust.
3773         (remove_fallthru_edge): Likewise.
3774         * tree-dump.c (dequeue_and_dump): Adjust.
3775         * tree-flow-inline.h (mark_stmt_modified): Adjust.
3776         * tree-flow.h (modified_noreturn_calls): Adjust.
3777         (tree_on_heap): Remove. (yay!)
3778         (register_new_def): Adjust.
3779         * tree-into-ssa.c: Define VEC(int,heap).
3780         (block_defs_stack): Adjust.
3781         (find_idf, insert_phi_nodes, register_new_def,
3782         rewrite_initialize_block, rewrite_finalize_block,
3783         register_new_update_single, rewrite_update_init_block,
3784         rewrite_update_fini_block, rewrite_blocks,
3785         ssa_rewrite_finalize_block, ssa_register_new_def,
3786         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
3787         * tree-loop-linear.c (linear_transform_loops): Adjust.
3788         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
3789         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
3790         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
3791         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
3792         vrp_variables_stack): Adjust declarations.
3793         (tree_ssa_dominator_optimize): Adjust.
3794         (dom_opt_initialize_block, remove_local_expressions_from_table,
3795         restore_nonzero_vars_to_original_value,
3796         restore_vars_to_original_value,
3797         restore_currdefs_to_original_value, dom_opt_finalize_block,
3798         record_var_is_nonzero, record_cond, record_const_or_copy_1,
3799         optimize_stmt, update_rhs_and_lookup_avail_expr,
3800         lookup_avail_expr, record_range): Likewise.
3801         * tree-ssa-pre.c: Define VEC(basic_block,heap).
3802         (compute_antic_aux): Adjust.
3803         (inserted_exprs, create_expression_by_pieces, 
3804         insert_into_preds_of_block, eliminate, mark_operand_necessary, 
3805         remove_dead_inserted_code, fini_pre): Likewise.
3806         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
3807         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist. 
3808         ssa_prop_init): Likewise.
3809         * tree-ssa.c: Define VEC(bitmap,heap).
3810         (verify_name_tags): Adjust.
3811         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
3812         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
3813         tree_divmod_values_to_profile, tree_find_values_to_profile,
3814         value_profile_transformations): Likewise.
3815         * value-prof.h: Define VEC(histogram_value,heap).
3816         * varasm.c: Remove alias_pair pointer typedef, define
3817         VEC(alias_pair,gc).
3818         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
3819         
3820         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
3821         not a pointer to it.  Create an object vector.
3822         (extern_symbols): Turn into an object vector.
3823         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
3824
3825 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
3826
3827         PR/20742
3828         * Makefile.in (tree-chrec.o): Depend on params.h.
3829         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
3830         default value 20.
3831         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
3832         and fold build with fold_buildN.
3833         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
3834         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3835         (tree_contains_chrecs): Compute an estimation of the size of the
3836         given expression.
3837         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
3838         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
3839         * tree-scalar-evolution.c (simple_iv): Ditto.
3840         * doc/invoke.texi (scev-max-expr-size): Documented.
3841
3842 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
3843
3844         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
3845         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
3846         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
3847         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
3848         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
3849         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
3850         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
3851         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
3852         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
3853         (darwin_fix_and_continue_switch): Delete.
3854         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
3855         (SUBTARGET_SWITCHES): Delete.
3856         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
3857         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
3858         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
3859         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
3860         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
3861         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
3862         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
3863         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
3864         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
3865         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
3866         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
3867         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
3868         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
3869         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
3870         (TARGET_64BIT): Undef before redefining.
3871         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
3872         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
3873         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
3874         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
3875         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
3876         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
3877         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
3878         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
3879         (ix86_debug_arg_string, ix86_debug_addr_string)
3880         (ix86_align_loops_string, ix86_align_jumps_string)
3881         (ix86_align_funcs_string): Delete.
3882         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
3883         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
3884         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
3885         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
3886         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
3887         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
3888         (SUBTARGET_SWITCHES): Delete.
3889         * config/i386/i386.c (ix86_debug_arg_string): Delete.
3890         (ix86_debug_addr_string): Delete.
3891         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
3892         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
3893         (ix86_align_loops_string, ix86_align_jumps_string)
3894         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
3895         (ix86_align_funcs_string): Make static.
3896         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3897         (ix86_handle_option): New function.
3898         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
3899         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
3900         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
3901         of darwin_fix_and_continue_switch.
3902         (darwin_one_byte_bool): Delete.
3903         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
3904         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
3905         to darwin_one_byte_bool.
3906         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
3907         * config/i386/djgpp.opt, config/i386/i386.opt,
3908         * config/i386/sco5.opt: New files.
3909
3910 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3911
3912         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
3913         fp_zero_operand, fp_register_operand, intreg_operand,
3914         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
3915         call_operand, call_operand_address, tgd_symbolic_operand,
3916         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
3917         symbolic_operand, symbolic_memory_operand, label_ref_operand,
3918         sp64_medium_pic_operand, data_segment_operand,
3919         text_segment_operand, splittable_symbolic_memory_operand,
3920         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
3921         eq_or_neq, normal_comp_operator, noov_compare_op,
3922         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
3923         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
3924         const64_operand, const64_high_operand, arith11_operand,
3925         arith10_operand, arith_double_operand, arith_double_4096_operand,
3926         arith_double_add_operand, arith11_double_operand,
3927         arith10_double_operand, small_int, small_int_or_double,
3928         uns_small_int, uns_arith_operand, clobbered_register,
3929         input_operand, compare_operand): Delete.
3930         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
3931         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
3932         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
3933         (GEN_HIGHINT64, GEN_INT64): Delete.
3934         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
3935         gen_safe_XOR64): Adjust for above deletion.
3936         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
3937         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
3938         (legitimate_constant_p): Use const_zero_operand instead.
3939         (sparc_extra_constraint_check): Likewise.
3940         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
3941         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
3942         (PREDICATE_CODES): Delete.
3943         * config/sparc/sparc.md: Include predicates.md.
3944         (All patterns): Adjust for new predicate names.
3945         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
3946         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
3947         (movdi): Use general_operand predicate.
3948         (movdi_sp64_dbl): Delete.
3949         (movdi_const64_special): Add 'N' constraint.
3950         (movdicc): Use arith10_operand predicate.
3951         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
3952         (movdi_cc_reg_sp64): Use arith10_operand predicate.
3953         (movdi_cc_reg_sp64_trunc): Delete.
3954         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
3955         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
3956         (subdi3_sp32): Delete.
3957         (subdi3_insn_sp32): Change to define_insn_and_split.
3958         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
3959         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
3960         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
3961         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
3962         small_int_operand predicate.
3963         (divdi3, udivdi3): Use arith_operand predicate.
3964         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
3965         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
3966         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
3967         (xordi3_sp64_dbl): Delete.
3968         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
3969         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
3970         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
3971         cmp_ccx_set_not): Use arith_operand predicate.
3972         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
3973         * config/sparc/predicates.md: New file.
3974
3975 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
3976
3977         PR tree-optimization/14846
3978         * fold-const.c (fold_single_bit_test_into_sign_test): New,
3979         split out from ...
3980         (fold_single_bit_test): ... here.
3981         (fold_binary): Call fold_single_bit_test_into_sign_test
3982         instead of fold_single_bit_test.
3983
3984 2005-04-20  James E Wilson  <wilson@specifixinc.com>
3985
3986         PR c++/20805
3987         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
3988         is another declaration.
3989
3990 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
3991
3992         * config/cris/predicates.md: New file.
3993         * config/cris/cris-protos.h (cris_store_multiple_op_p)
3994         (cris_movem_load_rest_p): Declare.
3995         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
3996         (cris_movem_load_rest_p): Ditto.  Globalize.
3997         (cris_bdap_operand, cris_bdap_biap_operand,
3998         cris_orthogonal_operator, cris_commutative_orth_op,
3999         cris_operand_extend_operator,
4000         cris_additive_operand_extend_operator, cris_extend_operator,
4001         cris_plus_or_bound_operator, cris_mem_op,
4002         cris_general_operand_or_symbol,
4003         cris_general_operand_or_gotless_symbol,
4004         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
4005         cris_load_multiple_op): Remove predicate functions.
4006         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
4007         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
4008         * config/cris/cris.h (PREDICATE_CODES): Don't define.
4009         * config/cris/cris.md: Include predicates.md.
4010         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
4011
4012 2005-04-20  Ian Lance Taylor  <ian@airs.com>
4013
4014         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
4015         * c-common.h (STMT_EXPR_STMT): Don't define.
4016         (STMT_EXPR_NO_SCOPE): Don't define.
4017         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
4018         * c-pretty-print.c (pp_c_primary_expression): Likewise.
4019         (pp_c_expression): Likewise.
4020
4021 2005-04-20  Richard Henderson  <rth@redhat.com>
4022
4023         PR target/21100
4024         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
4025
4026 2005-04-20  Jeff Law  <law@redhat.com>
4027
4028         * reload1.c (reload): Ignore equivalences between pseudos and
4029         read only memory.
4030
4031 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
4032
4033         PR c/12913
4034         * c-tree.h (struct c_label_list): Update comment.
4035         (struct c_label_context): Rename to struct c_label_context_se.
4036         (label_context_stack): Rename to label_context_stack_se.
4037         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
4038         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
4039         c_end_vm_scope): New.
4040         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
4041         * c-decl.c (pop_scope): Call c_end_vm_scope.
4042         (pushdecl): Call c_begin_vm_scope for variably modified
4043         declarations.
4044         (define_label): Check for jumping into scope of identifier with
4045         variably modified type.  Push label on stack for those defined at
4046         current context of identifiers with variably modified type.
4047         (start_function): Create stack level for context of identifiers
4048         with variably modified type.
4049         (finish_function): Pop stack level for context of identifiers with
4050         variably modified type.
4051         * c-typeck.c (label_context_stack): Rename to
4052         label_context_stack_se.
4053         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
4054         (c_finish_goto_label): Check for jumping into scope of identifier
4055         with variably modified type.  Push label on stack for those jumped
4056         to from current context of identifiers with variably modified
4057         type.
4058         (struct c_switch): Add blocked_vm.
4059         (c_start_case): Initialize blocked_vm.
4060         (do_case): Check blocked_vm.
4061         (c_finish_case): Add comment.
4062         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
4063         variable label_context_stack.
4064
4065 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
4066
4067         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
4068         conditional_replacement, value_replacement, abs_replacement,
4069         minmax_replacement.
4070         (replace_phi_edge_with_variable): Remove argument BB.
4071         (conditional_replacement, value_replacement,
4072         minmax_replacement, abs_replacement): Remove argument PHI_BB.
4073         Update a call to replace_phi_edge_with_variable.
4074
4075         * tree-ssa-phiopt.c: Fix comments.
4076
4077 2005-04-20  Michael Matz  <matz@suse.de>
4078
4079         PR20973
4080         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
4081         pseudos.
4082
4083 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
4084
4085         * tree-ssa-phiopt.c: Fix comment typos.
4086
4087         PR tree-optimization/21116
4088         * tree-ssa-phiopt.c: Fix a typo.
4089
4090 2005-04-19  Richard Henderson  <rth@redhat.com>
4091
4092         * builtins.c (expand_builtin_sync_operation): Revert last change.
4093         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
4094         not vs new value.
4095         (expand_compare_and_swap_loop): Likewise.
4096         (expand_sync_operation): Remove fallback from NAND to AND; invert
4097         memory operand when expanding from cmpxchg.
4098         (expand_sync_fetch_operation): Likewise.
4099         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
4100         compare-and-swap.
4101
4102         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
4103         when implementing NAND.  Fix double-add for AFTER.
4104         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
4105         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
4106         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
4107         memory value.
4108         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
4109         memory barrier.
4110
4111         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
4112         to return old memory value.
4113         (sync_compare_and_swap_cc<IMODE>): Likewise.
4114
4115         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
4116         return pre-reload.  Don't consider output or anti dependencies.
4117         * config/ia64/sync.md (IMODE): New.
4118         (modesuffix): Add QI and HI.
4119         (memory_barrier): Simplify expansion.
4120         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
4121         (cmpxchg_acq_<IMODE>): Likewise.
4122         (sync_lock_test_and_set<IMODE>): Likewise.
4123         (sync_lock_release<IMODE>): Likewise.
4124
4125 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
4126
4127         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
4128         ~X or ~Y simplify.
4129
4130 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
4131
4132         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
4133
4134 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
4135             Joseph S. Myers  <joseph@codesourcery.com>
4136
4137         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
4138         * c-typeck.c (build_c_cast): Check these options.
4139         * doc/invoke.texi: Document these options.
4140
4141 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
4142
4143         * tree-ssa-phiopt.c: Update a comment about the pass.
4144
4145 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
4146
4147         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
4148         config/mcore/mcore.c: Fix comment typos.
4149
4150 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
4151
4152         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
4153         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
4154
4155 2005-04-19  Paul Brook  <paul@codesourcery.com>
4156
4157         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
4158
4159 2005-04-19  Andrew Haley  <aph@redhat.com>
4160
4161         PR java/21022
4162         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
4163         looking at a field's bitpos.
4164
4165 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4166
4167         * system.h (fopen, fdopen, freopen): Define these to the unlocked
4168         libiberty functions.
4169
4170 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
4171
4172         PR tree-optimization/21096
4173         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
4174
4175 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
4176
4177         PR target/21098
4178         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
4179         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
4180
4181 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
4182
4183         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
4184         refers to the function being dumped.
4185
4186 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
4187
4188         * varasm.c (assemble_start_function): Remove reset of in_section.
4189
4190 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
4191
4192         PR tree-optimization/21085
4193         * fold-const (fold_binary): Don't change X % -C to X % C if C has
4194         overflowed.
4195
4196 2005-04-19  Ben Elliston  <bje@au.ibm.com>
4197
4198         * doc/invoke.texi (Optimize Options): Refer to the correct
4199         optimisation flag -ftree-dominator-opts, not -ftree-dom.
4200
4201 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
4202
4203         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
4204         alloca argument to be big enough.
4205
4206 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
4207
4208         PR middle-end/21049
4209         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
4210         cfun->cfg are NULL.
4211
4212 2005-04-18  Tom Tromey  <tromey@redhat.com>
4213
4214         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
4215         typo.
4216
4217 2005-04-18  Richard Henderson  <rth@redhat.com>
4218
4219         * config/alpha/alpha.c (alpha_split_atomic_op): New.
4220         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
4221         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
4222         * config/alpha/alpha-protos.h: Update.
4223         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
4224         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
4225         (attr type): Add ld_l, st_c, mb.
4226         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
4227         iornotsi3, xorsi_internal, xornotsi3): New.
4228         * config/alpha/ev4.md (ev4_ld): Add ld_l.
4229         (ev4_ist_c, ev4_mb): New.
4230         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
4231         (ev5_ld_l): New.
4232         * config/alpha/ev6.md (ev6_ild): Add ld_l.
4233         (ev6_ist): Add st_c.
4234         (ev6_mb): New.
4235         * config/alpha/sync.md: New file.
4236
4237 2005-04-18  Richard Henderson  <rth@redhat.com>
4238
4239         * builtins.c (expand_builtin_sync_operation): Fold nand to and
4240         for constants.
4241
4242         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
4243
4244 2005-04-18  Devang Patel  <dpatel@apple.com>
4245
4246         * config/rs6000/atlivec.md (mulv4si3): New pattern.
4247         
4248 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
4249
4250         PR tree-optimization/20922
4251         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
4252         Fold X + c >= X and fold X - c <= X to true.
4253
4254 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
4255
4256         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
4257         unsigned int.
4258         (emergency_labeled_state_free): Likewise.
4259
4260 2005-04-18  Nick Clifton  <nickc@redhat.com>
4261
4262         * config/h8300/h8300.md (jump): Remove prescan parameter from
4263         calls to final_scan_insn.
4264
4265         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
4266         parameter from calls to final_scan_insn.
4267
4268         * config.gcc (m68hc12): Use the m68hc11.opt file for target
4269         specific options.
4270         (v850e, v850e1): Use the v850.opt file for target specific
4271         options.
4272
4273 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
4274
4275         PR tree-optimization/21001
4276         * tree-optimize.c (init_tree_optimization_passes): Move the
4277         first pass_forwprop immediately before pass_vrp.
4278
4279 2005-04-17  Ian Lance Taylor  <ian@airs.com>
4280
4281         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
4282         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
4283         from enum tree_code op to bool is_sizeof.
4284         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
4285         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
4286         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
4287         case.
4288         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
4289         cases.
4290         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
4291         ALIGNOF_EXPR cases.
4292
4293 2005-04-17  Ian Lance Taylor  <ian@airs.com>
4294
4295         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
4296
4297 2005-04-17  Richard Henderson  <rth@redhat.com>
4298
4299         * config/alpha/alpha.c (va_list_skip_additions): Only define if
4300         TARGET_ABI_OSF.
4301         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
4302         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
4303         of indirection through ssa names while looking for the gpr counter
4304         field.
4305         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
4306         saved va_list_gpr_size and va_list_fpr_size.
4307
4308 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
4309
4310         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
4311         both pointers or both integers.
4312
4313         * tree-vrp.c (maybe_add_assert_expr): Don't assert
4314         ASSERT_EXPRs for single-use variable.
4315
4316         * tree-into-ssa.c: Fix a comment typo.
4317
4318 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
4319
4320         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
4321         -mipsN before forcing a default of -mips2.
4322
4323 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
4324
4325         * predict.h (IS_TAKEN): Remove.
4326         * rtl.h (NOTE_PREDICTION): Likewise.
4327
4328         * modulo-sched.c (CFG_HOOKS): Remove.
4329
4330         * c-parser.c (N_C_TTYPES): Remove.
4331
4332         * tree-flow-inline.h (get_stmt_operands): Remove.
4333         * lambda-code.c, tree-ssa-loop-unswitch.c,
4334         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
4335         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
4336         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
4337         calls to get_stmt_operands.
4338         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
4339
4340 2005-04-17  Richard Henderson  <rth@redhat.com>
4341
4342         PR target/20375
4343         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
4344         of CUMULATIVE_ARGS past the last named argument.
4345         (alpha_va_start): Expect pretend_args_size only if strictly less than
4346         6 named arguments.
4347
4348 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
4349
4350         PR middle-end/21024
4351         * builtins.c (expand_builtin_strcat): Convert the result of
4352         strlen to the right type.
4353         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
4354         avoid creating type mismatches.
4355         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
4356         type mismatches.
4357
4358         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
4359
4360 2005-04-16  Richard Henderson  <rth@redhat.com>
4361
4362         PR target/21051
4363         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
4364         Use the mode of boolean_type_node when the user doesn't provide one.
4365         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
4366
4367 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
4368
4369         PR target/20126
4370         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
4371         (const)).
4372
4373         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
4374         comment.
4375
4376 2005-04-16  Roger Sayle  <roger@eyesopen.com>
4377             Steven Bosscher  <stevenb@suse.de>
4378
4379         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
4380         (fold_unary_to_constant): Likewise.
4381
4382 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
4383
4384         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
4385         PROP_ASM_SCAN.
4386
4387 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
4388
4389         * doc/install.texi (Specific): Avoid using asterisks in @anchor
4390         names related to target triplets.
4391         Remove i?86-*-esix from platform directory.
4392         Remove powerpc-*-eabiaix from platform directory.
4393
4394 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
4395
4396         PR middle-end/20491
4397         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
4398         falling through from SUBREG case to REG.
4399
4400 2005-04-15  Roger Sayle  <roger@eyesopen.com>
4401
4402         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
4403         (fold_binary): Update comment mentioning fold_relational_hi_lo.
4404         (fold_binary_to_constant): Simplify using fold_binary.
4405         (fold_unary_to_constant): Likewise, simplify using fold_unary.
4406
4407 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4408
4409         * gthr-posix.c (pthread_cancel): Define.
4410         (pthread_mutexattr_init): Likewise.
4411         (pthread_mutexattr_settype): Likewise.
4412         (pthread_mutexattr_destroy): Likewise.
4413
4414 2005-04-15  David S. Miller  <davem@davemloft.net>
4415
4416         PR target/20673
4417         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
4418
4419 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4420
4421         PR tree-optimization/21031
4422         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
4423         (forward_propagate_into_cond_1): Call it.  Forward propagate
4424         integer-integer casts into COND_EXPRs.
4425
4426 2005-04-15  Dave Korn  <dave.korn@artimi.com>
4427
4428         * gcc.c (default_compilers): Clarify obscure error message when
4429         reading from standard input.
4430
4431 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4432
4433         * basic-block.h (PROP_EQUAL_NOTES): Remove.
4434         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
4435
4436         * tree-ssa-alias.c (init_alias_info): Remove a call to
4437         get_stmt_operands.
4438
4439 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
4440
4441         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
4442         of non-virtual PHI nodes like we use to.
4443
4444 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
4445
4446         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
4447         (attr_copy_rtx): Do not use it.
4448
4449 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
4450
4451         * doc/tree-ssa.texi: Grammer/abbreviation updates.
4452
4453 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
4454
4455         * tree-vect-transform.c (vectorizable_store): Mark necessary
4456         objects in the vectorized store needing renaming.  Update the
4457         SSA graph for V_MAY_DEF operands in the original store.
4458
4459 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
4460
4461         * tree-ssa-pre.c (compute_avail): It's okay to have
4462         TREE_INVARIANT's here, and value number the resulting expressions.
4463         (create_expression_by_pieces): Make sure operands that were
4464         min_invariant when we started, stay that way.
4465
4466 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
4467
4468         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
4469
4470 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4471
4472         PR tree-optimization/20936.
4473         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
4474
4475 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4476
4477         * doc/invoke.texi: Fix typos.
4478         * doc/md.texi: Likewise.
4479         * doc/rtl.texi: Likewise.
4480         * doc/sourcebuild.texi: Likewise.
4481         * doc/tm.texi: Likewise.
4482
4483 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
4484
4485         PR tree-optimization/21004
4486         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
4487         and floorl in c99 mode only.
4488         * builtins.c (expand_builtin_int_roundingfn): Assert that
4489         fallback_fndecl is not NULL_TREE.
4490
4491 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4492
4493         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
4494         * basic-block.h: Update the prototype for
4495         purge_all_dead_edges.
4496         * cfgexpand.c (tree_expand_cfg): Update a call to
4497         purge_all_dead_edges.
4498         * combine.c (combine_instructions): Likewise.
4499         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
4500         rest_of_handle_cse2, rest_of_handle_gcse,
4501         rest_of_handle_postreload): likewise.
4502
4503 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
4504
4505         PR middle-end/20739
4506         * gimplify.c (gimplify_addr_expr): Compensate for removal of
4507         e.g. cv-qualification conversions.
4508
4509 2005-04-14  Mike Stump  <mrs@apple.com>
4510
4511         * config/darwin-c.c (framework_construct_pathname): We must
4512         find all headers of a framework in the first instance of it
4513         found in the seach path.
4514
4515 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
4516
4517         PR tree-optimization/21021
4518         * tree-vrp.c (compare_values): Work around a bug in the front
4519         end that produces a comparison of mismatched types.
4520
4521 2004-04-14  Richard Henderson  <rth@redhat.com>
4522
4523         * config/ia64/ia64.h (enum fetchop_code): Remove.
4524         (enum ia64_builtins): Move ...
4525         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
4526         members except BSP and FLUSHRS.
4527         (ia64_init_builtins): Remove __sync builtins.
4528         (ia64_expand_builtin): Likewise.
4529         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
4530         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
4531         (ia64_expand_lock_release): Remove.
4532         * config/ia64/ia64.md (mf): Move to sync.md.
4533         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
4534         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
4535         * config/ia64/sync.md: New file.
4536         (memory_barrier): Rename from mf.
4537         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
4538         (cmpxchg_acq_<I48MODE>): Likewise.
4539         (sync_lock_test_and_set<I48MODE>): Likewise.
4540
4541         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
4542         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
4543
4544 2004-04-14  Richard Henderson  <rth@redhat.com>
4545
4546         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
4547         (ix86_compare_emitted): New.
4548         (ix86_expand_compare): Use ix86_compare_emitted if set.
4549         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
4550         and ix86_compare_op0 are set.
4551         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
4552         (TARGET_CMPXCHG, TARGET_XADD): New.
4553         (ix86_compare_emitted): Declare.
4554         * config/i386/i386.md: Include sync.md
4555         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
4556         (UNSPECV_XCHG, UNSPECV_LOCK): New.
4557         * config/i386/sync.md: New file.
4558
4559 2004-04-14  Richard Henderson  <rth@redhat.com>
4560
4561         PR middle-end/14311
4562         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
4563         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
4564         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
4565         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
4566         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
4567         BT_FN_I8_VPTR_I8_I8): New.
4568         * builtins.def (DEF_SYNC_BUILTIN): New.
4569         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
4570         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
4571         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
4572         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
4573         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
4574         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
4575         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
4576         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
4577         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
4578         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
4579         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
4580         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
4581         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
4582         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
4583         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
4584         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
4585         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
4586         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
4587         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
4588         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
4589         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
4590         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
4591         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
4592         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
4593         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
4594         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
4595         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
4596         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
4597         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
4598         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
4599         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
4600         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
4601         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
4602         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
4603         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
4604         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
4605         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
4606         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
4607         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
4608         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
4609         BUILT_IN_SYNCHRONIZE: New.
4610         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
4611         as a function.  Accept __sync_ as a prefix as well.
4612         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4613         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
4614         expand_builtin_lock_release): New.
4615         (expand_builtin): Call them.
4616         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
4617         neither BOTH_P nor FALLBACK_P are defined.
4618         (builtin_type_for_size): New.
4619         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
4620         (resolve_overloaded_builtin): New.
4621         * c-common.h (resolve_overloaded_builtin): Declare.
4622         (builtin_type_for_size): Declare.
4623         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
4624         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
4625         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
4626         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
4627         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
4628         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
4629         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
4630         sync_compare_and_swap_cc, sync_lock_test_and_set,
4631         sync_lock_release): New.
4632         * optabs.h: Declare them.
4633         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
4634         expand_sync_operation, expand_sync_fetch_operation,
4635         expand_sync_lock_test_and_set): Declare.
4636         * genopinit.c (optabs): Add sync optabs.
4637         * optabs.c (init_optabs): Initialize sync optabs.
4638         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
4639         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
4640         expand_sync_operation, expand_sync_fetch_operation,
4641         expand_sync_lock_test_and_set): New.
4642         * doc/extend.texi (Atomic Builtins): New section
4643         * doc/md.texi (Standard Names): Add sync patterns.
4644
4645 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
4646
4647         * tree-eh.c (lower_try_finally_copy): Generate new code in
4648         response to goto_queue entries as if the queue was sorted by
4649         index, not pointers.
4650         (lower_try_finally_switch): Likewise.
4651
4652 2005-04-14  Richard Henderson  <rth@redhat.com>
4653
4654         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
4655         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
4656         register.
4657         (ix86_expand_fp_movcc): Update to match.
4658         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
4659         * config/i386/i386-protos.h: Update.
4660         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
4661         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
4662
4663 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
4664
4665         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
4666         refer to 4.0.
4667
4668 2005-04-14  Julian Brown  <julian@codesourcery.com>
4669
4670         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
4671         link failures on ppc64 Linux.
4672
4673 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
4674
4675         * config.gcc: Set cpu_type for s390.
4676
4677 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
4678
4679         Fix PR tree-optimization/20963
4680         * tree-ssa-pre.c (compute_avail): Remove special case for
4681         TREE_INVARIANT.
4682         (create_expression_by_pieces): Add value numbers for forced out
4683         statements.
4684
4685 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
4686
4687         * config/cris/cris.md: Replace references to (reg:SI 16) with
4688         (reg:SI CRIS_SRP_REGNUM).
4689
4690 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
4691
4692         PR tree-optimization/20657
4693         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
4694         create an appropriate range from it.
4695
4696 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
4697
4698         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
4699         <UNSPEC_FIST_CEIL> case.
4700
4701         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
4702         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
4703         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
4704         to implement lfloor and llfloor built-ins as x87 intrinsic function.
4705         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
4706         (lfloor<mode>2): New expanders.
4707         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
4708         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
4709         to implement lceil and llceil built-ins as x87 intrinsic function.
4710         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
4711         (lceil<mode>2): New expanders.
4712
4713 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
4714
4715         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
4716         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
4717
4718 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
4719
4720         PR target/20927
4721         * config/s390/s390-modes.def: Define TFmode.
4722
4723 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
4724
4725         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
4726         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4727         * config/mips/mips.c (mips16_insn_length): Remove reference to
4728         JUMP_TABLES_IN_TEXT_SECTION.
4729
4730 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
4731
4732         * simplify-rtx.c (simplify_binary_operation_1): Return
4733         scalar or vector of constant 0, depending on the xor's
4734         mode.
4735
4736 2005-04-13  Dale Johannesen  <dalej@apple.com>
4737
4738         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
4739         (objc-act.o):  Ditto.
4740         * objc/objc-act.c (objc_gimplify_expr):  New.
4741         (objc_get_callee_fndecl):  New.
4742         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
4743         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
4744         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
4745
4746 2005-04-13  Devang Patel  <dpatel@apple.com>
4747
4748         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
4749         temp variables.
4750
4751 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
4752
4753         CRIS prologue as RTL.
4754         * config/cris/cris-protos.h (cris_emit_movem_store)
4755         (cris_expand_prologue): Prototype.
4756         * config/cris/cris.c (struct machine_function): New member
4757         stdarg_regs.
4758         (cfa_label_num, cris_target_asm_function_prologue): Remove.
4759         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
4760         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
4761         (cris_load_multiple_op, cris_return_address_on_stack)
4762         (cris_return_address_on_stack_for_return): ISO-Cify.
4763         (cris_store_multiple_op): New predicate function.
4764         (cris_expand_prologue, cris_emit_movem_store): New functions.
4765         (cris_print_operand) <case 'O'>: Handle modifications other than
4766         post-increment.
4767         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
4768         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
4769         (cris_gen_movem_load): Rearrange slightly to make local variable
4770         src a parameter, removing osrc.
4771         (cris_setup_incoming_varargs): Set machine_function member
4772         stdarg_regs to correspond to the number of registers that need to
4773         be saved.
4774         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
4775         CRIS_UNSPEC_GOT.
4776         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
4777         cris_general_operand_or_gotless_symbol accept UNSPEC.
4778         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
4779         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
4780         ("*cris_store_multiple"): New pattern.  Tweak common comment above
4781         this and "*cris_load_multiple".
4782         ("prologue"): New define_expand.
4783
4784         * config/cris/cris.md ("epilogue"): Conditionalize on
4785         TARGET_PROLOGUE_EPILOGUE.
4786
4787 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
4788
4789         PR target/20924
4790         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
4791         fpsr 0 instead of fpsr 1.
4792         (divsf3_internal_thr): Ditto.
4793         (divdf3_internal_lat): Ditto.
4794         (divdf3_internal_thr): Ditto.
4795         (divxf3_internal_lat): Ditto.
4796         (divxf3_internal_thr): Ditto.
4797
4798 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
4799
4800         PR tree-optimization/20913
4801         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
4802
4803         PR tree-optimization/20702
4804         * tree-vrp.c (maybe_add_assert_expr): Recurse into
4805         dominator children that haven't been walked into.
4806
4807 2005-04-13  Julian Brown  <julian@codesourcery.com>
4808
4809         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
4810         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
4811         is true.
4812
4813 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
4814
4815         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
4816         config/i386/sse.md: Fix comment typos.
4817
4818         * genattrtab.c (NULL_ATTR): Remove.
4819         * ifcvt.c (NULL_EDGE): Likewise.
4820
4821         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
4822
4823         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
4824         NOTE_PREDICT): Remove.
4825
4826 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4827
4828         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
4829         * configure: Regenerate.
4830         * config.in: Likewise.
4831         * system.h: Declare vsnprintf if not already declared.
4832
4833 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4834
4835         * optc-gen.awk: Handle stand-alone Mask records.
4836         * opth-gen.awk: Likewise.
4837         * doc/options.texi (Option file format): Document them.
4838         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
4839         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
4840         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
4841         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
4842         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
4843         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
4844         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
4845         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
4846         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
4847         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
4848         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
4849         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
4850         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
4851         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
4852         TARGET_LONG_DOUBLE_128): Likewise.
4853         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
4854         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
4855         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
4856         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
4857         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
4858         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
4859         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
4860         * config/sparc/sparc.c (fpu_option_set): New global.
4861         (sparc_handle_option): New function.
4862         (sparc_override_options): Test fpu_option_set.
4863         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
4864         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
4865         * config/sparc/sparc.opt: New file.
4866         * config/sparc/little-endian.opt: Likewise.
4867         * config/sparc/long-double-switch.opt: Likewise.
4868
4869 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
4870
4871         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
4872         (bfin_handle_options): Set it if -mshared-library-id= is seen.
4873         * config/bfin/bfin.opt (mshared-library-id=): Lose
4874         Var(bfin_lib_id_given).
4875
4876 2005-04-13  Matt Thomas  <matt@3am-software.com>
4877
4878         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
4879         defining.
4880
4881 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
4882
4883         * rtl.h (CLEAR_RTX_FLAGS): Remove.
4884
4885         * cgraphunit.c (INSNS_PER_CALL): Remove.
4886
4887         * tree-ssa-forwprop.c (vars,
4888         record_single_argument_cond_exprs,
4889         substitute_single_use_vars): Remove.
4890         (forward_propagate_into_cond_1, forward_propagate_into_cond):
4891         New.
4892         (tree_ssa_forward_propagate_single_use_vars): Call
4893         forward_propagate_into_cond for each COND_EXPR.
4894
4895         * tree-inline.c (INSNS_PER_STMT): Remove.
4896
4897 2005-04-12  Richard Henderson  <rth@redhat.com>
4898
4899         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
4900         (ix86_expand_sse_fp_minmax): ... from ...
4901         (ix86_expand_fp_movcc): ... here.
4902         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
4903         * config/i386/i386-protos.h: Update.
4904         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
4905         (sse_setccsf, sse_setccdf): Allow before reload.
4906         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
4907         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
4908         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
4909         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
4910         (anddf3, nanddf3, iordf3, xordf3): New.
4911
4912 2005-04-12  Jeff Law  <law@redhat.com>
4913
4914         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
4915         (tree-ssa-uncprop.o): Add dependencies.
4916         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
4917         * tree-flow.h (remove_useless_stmts): Remove prototype.
4918         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4919         remove_useless_stmts.
4920         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
4921         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
4922         * tree-pass.h (pass_uncprop): Declare.
4923         * tree-ssa-uncprop.c: New file.
4924
4925 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
4926
4927         PR target/20670
4928         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
4929
4930 2005-04-12  Caroline Tice  <ctice@apple.com>
4931
4932         Temporary fix for partitioning problems.
4933         * passes.c (rest_of_handle_final): Remove code that
4934         frees unlikely_text_section_name,
4935         * varasm.c (assemble_start_function): Test for partitioning
4936         flag before writing out section labels.
4937         (assemble_end_function): Test for partitioning flag before
4938         writing out section labels.
4939
4940 2005-04-12  Steven Bosscher  <stevenb@suse.de>
4941             Stuart Hastings <stuart@apple.com>
4942             Jan Hubicka  <jh@suse.cz>
4943
4944         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
4945         references to gt-tree-cfg.h.
4946         * basic-block.h (struct basic_block_def): Don't skip rbi
4947         for garbage collection.
4948         (struct reorder_block_def): Make GTY-able.
4949         (struct control_flow_graph): New structure.
4950         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
4951         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
4952         but instead defines to the control_flow_graph for cfun.
4953         (label_to_block_map): New define, points to the label map of
4954         the control_flow_graph for cfun.
4955         (n_edges_for_function, n_basic_blocks_for_function,
4956         last_basic_block_for_function, basic_block_info_for_function,
4957         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
4958         basic_block_info_for_function, label_to_block_map_for_function):
4959         Counterparts for the above, taking a struct function as an extra
4960         argument.
4961         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
4962         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
4963         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
4964         (alloc_rbi_pool, free_rbi_pool): Remove.
4965         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
4966         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
4967         here...
4968         (cfg_layout_finalize) ... and don't free it here.
4969         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
4970         garbage collected.
4971         * flow.c (free_basic_block_vars): Set label_to_block_map and
4972         n_edges to zero too.
4973         * function.h (struct function): Add cfg field.
4974         * function.c (allocate_struct_function): Allocate the cfg.
4975         * tree-cfg.c (label_to_block_map): Remove.
4976         (build_tree_cfg): Don't allocate the rbi pool here...
4977         (delete_tree_cfg_annotations): ...and don't free it here.
4978         Also don't nullify label_to_block_map for cfun.
4979
4980 2005-04-12  Caroline Tice  <ctice@apple.com>
4981
4982         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
4983         Revert my patch from April 9.
4984         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
4985         (reorder_basic_blocks): Revert my patch from April 9.
4986         (insert_section_boundary_note): Revert my patch from April 9.
4987         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
4988         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
4989         (COLD_END_LABEL):  Revert my patch from April 9.
4990         (cold_text_section_label):  Revert my patch from April 9.
4991         (cold_end_label): Revert my patch from April 9.
4992         (dwarf2out_switch_text_section): Revert my patch from April 9.
4993         (output_aranges): Revert my patch from April 9.
4994         (output_ranges):  Revert my patch from April 9.
4995         (output_line_info): Revert my patch from April 9.
4996         (add_location_or_const_value_attribute):  Revert my patch from April 9.
4997         (dwarf2out_var_location): Revert my patch from April 9.
4998         (dwarf2out_init):  Revert my patch from April 9.
4999         (dwarf2out_finish): Revert my patch from April 9.
5000         * function.h (struct function): Revert my patch from April 9.
5001         * opts.c (decode_options): Revert my patch from April 9.
5002         * output.h (unlikely_section_label, hot_section_label,
5003         hot_section_end_label, cold_section_end_label,
5004         unlikely_text_section_name): Revert my patch from April 9.
5005         * passes.c (rest_of_handle_final): Revert my patch from April 9.
5006         * varasm.c (unlikely_section_label, hot_section_label,
5007         hot_section_end_label, cold_section_end_label,
5008         unlikely_text_section_name): Revert my patch from April 9.
5009         (initialize_cold_section_name): Revert my patch from April 9.
5010         (unlikely_text_section): Revert my patch from April 9.
5011         (in_unlikely_text_section): Revert my patch from April 9.
5012         (named_section): Revert my patch from April 9.
5013         (function_section): Revert my patch from April 9.
5014         (current_function_section): Revert my patch from April 9.
5015         (assemble_start_function): Revert my patch from April 9.
5016         (assemble_end_function): Revert my patch from April 9.
5017         (default_section_type_flags_1): Revert my patch from April 9.
5018
5019 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5020
5021         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
5022         * config/sparc/sparc.md (untyped_call): Save the registers manually.
5023
5024         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
5025
5026 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
5027
5028         PR middle-end/20917
5029         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
5030         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
5031
5032 2004-04-12  Richard Henderson  <rth@redhat.com>
5033
5034         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
5035         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
5036         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
5037         (UNSPEC_*, UNSPECV_*): Renumber.
5038
5039 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
5040
5041         PR mudflap/19266
5042         From Richard Henderson <rth@redhat.com>:
5043         * tree-mudflap.c (mf_build_check_statement_for): Correct block
5044         splitting logic.
5045
5046 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
5047
5048         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
5049
5050 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5051
5052         * config/bfin/bfin.c (bfin_library_id_string): Remove.
5053         (bfin_library_id): New variable.
5054         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
5055         instead of bfin_library_id_string.
5056         (bfin_handle_option): New function.
5057         (override_options): Remove most code to deal with shared library IDs,
5058         just check they aren't used without -mid-shared-library.
5059         (TARGET_HANDLE_OPTION): Define.
5060         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
5061         * config/bfin/bfin.opt (mshared-library-id=): New.
5062
5063 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
5064
5065         * tree-vect-transform.c: Fix comment typos.
5066
5067 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
5068
5069         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
5070         split critical edges when not possible/profitable.
5071
5072 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
5073
5074         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
5075         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
5076         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
5077         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
5078         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
5079         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
5080         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
5081         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
5082         MASK_NO_BITFIELD.
5083         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
5084         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5085         * config/ns32k/ns32k.opt: New file.
5086
5087 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
5088
5089         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
5090         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
5091         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
5092         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
5093         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
5094         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
5095         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
5096         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
5097         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
5098         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
5099         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
5100         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
5101         (MASK_COLDFIRE): Formatting fixes.
5102         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
5103         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
5104         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
5105         "_current_shared_library_a5_offset_".
5106         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5107         (MASK_ALL_CPU_BITS): New macro.
5108         (m68k_handle_option): New function.
5109         (override_options): Remove handling of m68k_library_id_string.
5110         * config/m68k/m68k.opt: New file.
5111         * config/m68k/ieee.opt: New file.
5112
5113 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
5114
5115         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
5116         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
5117         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
5118         (TARGET_CXX): Adjust accordingly.
5119         * target.h (struct gcc_target): Remove epxort_class_data.  Add
5120         determine_class_data_visibility and class_data_always_comdat.
5121         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
5122         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
5123         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
5124         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
5125         (arm_cxx_determine_class_data_visibility): New.
5126         (arm_cxx_class_data_always_comdat): Likewise.
5127         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
5128         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
5129         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
5130         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
5131         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
5132         Define.
5133
5134 2005-04-11  Devang Patel  <dpatel@apple.com>
5135
5136         * tree-data-ref.c (build_classic_dist_vector,
5137         compute_subscript_distance): Make externally visible.
5138         * tree-data-ref.h (build_classic_dist_vector,
5139         compute_subscript_distance): Same.
5140         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
5141         Check distance vector against vectorization factor.
5142         (vect_analyze_loop): Determine vectorizaion factor before
5143         analyzing data dependences.
5144         * tree-vectorizer.c (loops_num): Make it externally visible and
5145         rename ...
5146         * tree-vectorizer.c (vect_loops_num): ... new name.
5147         * tree-vectorizer.h  (vect_loops_num): New.
5148
5149 2005-04-11  Devang Patel  <dpatel@apple.com>
5150
5151         * tree-vect-analyze.c (vect_analyze_operations): Check
5152         vectorizable codition.
5153         * tree-vect-transform.c (vect_is_simple_cond): New function.
5154         (vectorizable_condition): New function.
5155         (vect_transform_stmt): Handle condition_vec_info_type.
5156         * tree-vectorizer.h (enum stmt_vec_info_type): Add
5157         condition_vec_info_type.
5158         (vectorizable_condition): New.
5159
5160 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
5161
5162         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
5163         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
5164         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
5165
5166         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
5167         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
5168
5169         * dwarf2out.c (output_line_info): Don't try to dereference
5170         a NULL current_function_decl.
5171
5172         * config/t-slibgcc-darwin: Don't put shared libraries in
5173         directories other than $(slibdir).
5174         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
5175         OS uses for it.
5176
5177 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
5178
5179         PR tree-optimization/20933
5180         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
5181         logic to reject aliases between read-only and writable
5182         variables ...
5183         (may_alias_p): ... here.
5184         (get_tmt_for): Do not associate read-only tags to pointers
5185         whose pointed-to type is not read-only.
5186         * tree-ssa.c (verify_ssa): Check that memory stores have at
5187         least one V_MAY_DEF or V_MUST_DEF.
5188
5189 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5190
5191         PR/17092
5192         * configure.ac (gcc_UNLOCKED_FUNCS): New.
5193         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
5194         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
5195         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
5196         _unlocked function.
5197         (fwrite_unlocked): Fix prototype.
5198
5199         * configure, config.in: Regenerate.
5200
5201 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
5202
5203         * tree-ssa-loop-im.c: Include real.h.
5204         (determine_invariantness_stmt): If real division divisor is
5205         invariant and flag_unsafe_math_optimizations enabled, generate
5206         invariant reciprocal for hoisting.
5207         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
5208
5209 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
5210
5211         Fix PR tree-optimization/20926
5212
5213         * tree-ssa-alias.c (add_type_alias): Handle subvars.
5214
5215 2005-04-11  Devang Patel  <dpatel@apple.com>
5216
5217         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
5218         operand ordering.
5219
5220 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
5221
5222         * fold-const.c (fold_binary_op_with_conditional_arg):
5223         use fold_buildN instead of "fold (buildN" in some
5224         non obvious places.
5225         (fold_unary): Likewise.
5226         (fold_binary): Likewise.
5227
5228 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
5229
5230         Fix PR tree-optimization/20612
5231         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
5232         handling
5233         (perfect_nestify): preheaderbb is *not* part of loop of the
5234         old destination.
5235
5236 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
5237
5238         * tree-ssa-alias.c (may_alias_p): If the variable
5239         is a global variable and the pointer is parameter
5240         and -fargument-noalias-global is used, then
5241         the pointer cannot alias the variable.
5242
5243 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
5244
5245         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
5246         * config/sparc/sparc.h: Likewise.
5247         * config/sparc/sparc.md: Likewise.
5248
5249 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
5250
5251         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
5252
5253         * tree-vrp.c: Fix a comment typo.
5254
5255 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
5256
5257         PR tree-optimization/20920
5258         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
5259         SSA_NAME flows through an abnormal edge.
5260         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
5261         through abnormal edges.
5262         (maybe_add_assert_expr): Likewise.
5263
5264 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
5265
5266         * config/s390/s390.h (s390_tune_string, s390_arch_string)
5267         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
5268         (s390_stack_size_string, s390_stack_guard_string, target_flags)
5269         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
5270         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
5271         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
5272         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
5273         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
5274         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
5275         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
5276         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
5277         (TARGET_HANDLE_OPTION): Likewise.
5278         (s390_tune): Initialize to PROCESSOR_max.
5279         (s390_arch_string): Make static.
5280         (s390_tune_string, s390_warn_framesize_string): Delete.
5281         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
5282         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
5283         (s390_handle_arch_option, s390_handle_option): New functions.
5284         (override_options): Remove parsing of option strings.
5285         * config/s390/s390.opt: New file.
5286
5287 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
5288
5289         * tree-complex.c (expand_vector_operations): Call
5290         update_stmt_if_modified.
5291
5292 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
5293
5294         * tree-vect-analyze (vect_determine_vectorization_factor):
5295         Do not use GET_MODE_NUNITS.
5296         * tree-vect-transform.c (vect_get_vec_def_for_operand,
5297         (vectorizable_load, vect_transform_loop): Likewise.
5298
5299 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
5300
5301         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
5302         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
5303         * optabs.h (enum optab_index): Add new OTI_lceil.
5304         (lceil_optab): Define corresponding macro.
5305         * optabs.c (init_optabs): Initialize lceil_optab.
5306         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
5307         and lceildi2 patterns.
5308         * builtins.c (expand_builtin_int_roundingfn): Handle
5309         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
5310         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
5311         BUILT_IN_LLCEIL{,F,L}.
5312         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
5313         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
5314         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
5315         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
5316         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
5317         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
5318         into lceil built-in function and (long long int)ceil{,f,l} into
5319         llceil built-in function.
5320         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
5321         BUILT_IN_LLCEIL.
5322
5323 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5324
5325         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
5326         zero.
5327
5328 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
5329
5330         * config/arm/arm.c: Fix a comment typo.
5331         * doc/tree-ssa.texi: Fix a typo.
5332
5333 2005-04-10  Steven Bosscher  <stevenb@suse.de>
5334
5335         * cselib.c (clear_table): Rename to cselib_clear_table.
5336         * cselib.h (cselib_clear_table): Add prototype.
5337         * gcse.c (gcse_main): Make 'f' argument unused.
5338         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
5339         of each basic block instead.
5340         (compute_sets, compute_hash_table_work): Likewise.
5341         (constprop_register): Change int 'alter_jumps' argument to bool.
5342         (do_local_cprop): Likewise.
5343         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
5344         the insn chain.  Explicitly clear the cselib tables after finishing
5345         one basic block.  Make sure there are no unterminated libcall blocks.
5346         Update compute_sets call.
5347         (cprop): Walk basic blocks instead of the insn chain.
5348         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
5349         Likewise.
5350         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
5351         one_cprop_pass calls.
5352
5353 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
5354
5355         * combine.c (combine_simplify_rtx): Remove a transformation that
5356         relies on an invalid assumption about rtl sign-extension semantics.
5357
5358 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
5359
5360         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
5361         to build_int_cst_wide.
5362
5363 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
5364
5365         PR target/20126
5366         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
5367         set the original address pseudo to the correct value before the
5368         original insn, if possible, and leave the insn alone, otherwise
5369         create a new pseudo, set it and replace it in the insn.
5370         * recog.c (validate_change_maybe_volatile): New.
5371         * recog.h (validate_change_maybe_volatile): Declare.
5372
5373 2005-04-09  Caroline Tice  <ctice@apple.com>
5374
5375         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
5376         Remove targetm.have_named_sections test.
5377         (fix_edges_for_rarely_executed_code): Likewise.
5378         (insert_section_boundary_note): Likewise.
5379         (reorder_basic_blocks): Check partitioning flag before calling
5380         verify_hot_cold_block_grouping.
5381         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
5382         the function struct rather than global variables.
5383         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
5384         (COLD_END_LABEL): Likewise
5385         (cold_text_section_label): New static global variable.
5386         (cold_end_label): Likewise.
5387         (dwarf2out_switch_text_section): Get hot/cold section labels from
5388         the function struct rather than global variables.
5389         (output_aranges): Use cold_text_section_label and cold_end_label;
5390         check partitioning flag before putting out delta.
5391         (output_ranges): Remove incorrect code attempting to use
5392         hot/cold labels.
5393         (output_line_info): Get cold section label from function struct.
5394         (add_location_or_const_value_attribute): Likewise.
5395         (get_subprogram_die): Get hot/cold section labels from function struct.
5396         (dwarf2out_var_location): Likewise.
5397         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
5398         write out cold_text_section_label if partition flag is set.
5399         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
5400         * function.h (struct function): Add new fields to point to hot/cold
5401         section labels: hot_section_label, cold_section_label,
5402         hot_section_end_label and cold_section_end_label; also add new field
5403         for cold text section name, unlikely_text_section_name.
5404         * opts.c (decode_options): Turn off partitioning flag if
5405         !targetm.have_named_sections.
5406         * output.h (hot_section_label): Remove.
5407         (hot_section_end_label): Remove.
5408         (cold_section_end_label): Remove.
5409         (unlikely_section_label): Remove.
5410         (unlikely_text_section_name): Remove.
5411         * passes.c (rest_of_handle_final):  Remove code that frees
5412         unlikely_text_section_name.
5413         * varasm.c (unlikely_section_label): Remove.
5414         (hot_section_label): Remove.
5415         (hot_section_end_label): Remove.
5416         (cold_section_end_label): Remove.
5417         (unlikely_text_section_name):  Remove.
5418         (initialize_cold_section_name): Modify to call
5419         targetm.strip_name_encoding; to store cold section name in current
5420         function struct, if it exists; and to only use the decl_section_name
5421         if flag_named_sections is true.
5422         (unlikely_text_section): Modify to get section name out of current
5423         function struct, if there is one; otherwise build it from
5424         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
5425         (in_unlikely_text_section): Likewise.
5426         (named_section): Modify to get/put cold section name in current function
5427         struct, if there is one.
5428         (function_section):  Change 'bool unlikely' to 'int reloc'; check
5429         targetm.have_named_sections before calling named_section.
5430         (current_function_section): Likewise.
5431         (assemble_start_function): Modify to get/put unlikely_text_section_name
5432         in current function struct; modify to get hot/cold section labels
5433         from function struct; initialize labels using
5434         ASM_GENERATE_INTERNAL_LABEL;
5435         test partitioning flag before writing out hot section label.
5436         (assemble_end_function): Test partitioning flag before writing out
5437         hot/cold section labels.
5438         (default_section_type_flags_1):  Modify to use array instead of
5439          char* for unlikely_text_section_name; set flags correctly for
5440          cold text section if there is not a current function decl.
5441
5442 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
5443
5444         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
5445         and TI_VA_LIST_FPR_COUNTER_FIELD.
5446         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
5447         * tree-pass.h (pass_stdarg): Add.
5448         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
5449         * tree-stdarg.c: New file.
5450         * tree-stdarg.h: New file.
5451         * Makefile.in (OBJS-common): Add tree-stdarg.o.
5452         (tree-stdarg.o): Add dependencies.
5453         * function.h (struct function): Add va_list_gpr_size and
5454         va_list_fpr_size fields.
5455         * function.c (allocate_struct_function): Initialize them.
5456         * target.h (struct gcc_target): Add stdarg_optimize_hook.
5457         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
5458         (TARGET_INITIALIZER): Add it.
5459
5460         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
5461         va_list_{g,f}pr_counter_field.
5462         (ix86_setup_incoming_varargs): Don't do anything if reg_save
5463         area will not be used.  Only save registers that tree-stdarg.c
5464         detected they need saving.
5465         (ix86_va_start): Don't set up fields that won't be used.
5466
5467         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
5468         va_list_{g,f}pr_counter_field.
5469         (setup_incoming_varargs): Don't do anything if reg_save
5470         area will not be used.  Only save registers that tree-stdarg.c
5471         detected they need saving.
5472         (rs6000_va_start): Don't set up fields that won't be used.
5473
5474         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
5475         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
5476         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
5477         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
5478
5479 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
5480
5481         PR target/20795
5482         * config/i386/i386.c (construct_container): Pass empty aligned
5483         struct, union or class in memory.
5484
5485 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
5486
5487         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
5488         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
5489         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
5490         config/rs6000/predicates.md: Fix comment typos.
5491
5492         * sched-int.h (haifa_insn_data): Remove blockage and units.
5493         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
5494         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
5495         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
5496
5497 2005-04-09  Jan Hubicka  <jh@suse.cz>
5498             Steven Bosscher  <stevenb@suse.de>
5499
5500         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
5501         * cfgloop.c (get_loop_exit_edges): Likewise.
5502         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
5503         (unloop): Likewise.
5504         * loop-unroll.c (analyze_insns_in_loop): Likewise.
5505         * tree-cfg.c (dump_cfg_status): Likewise.
5506
5507 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
5508
5509         * config/rs6000/predicates.md (altivec_register_operand): Remove
5510         redundant match_code test.
5511         (gpc_reg_operand): Same.
5512         (cc_reg_operand): Same.
5513         (cc_reg_not_cr0_operand): Same.
5514
5515 2005-04-09  Jan Hubicka  <jh@suse.cz>
5516
5517         Forgotten hunk from my last merge patch:
5518         * final.c (output_addr_const): Do not call mark_referenced.
5519
5520 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
5521
5522         * doc/tree-ssa.texi: Add immediate use documentation.
5523
5524 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
5525
5526         * arm.c (FL_WBUF): Define.
5527         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
5528         (arm_is_6_or_7): Delete.
5529         (arm_tune_wbuf): New.
5530         (arm_override_options): Set arm_tune_wbuf.
5531         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
5532         (arm_is_6_or_7): Delete declaration.
5533         (arm_tune_wbuf): New declartion.
5534         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
5535         (model_wbuf): Derive from arm_tune_wbuf.
5536         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
5537         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
5538         (arm740t): Mark CPUs as having a write buffer.
5539
5540 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
5541
5542         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
5543         of 'const_double_operand' in operand 2 constraints.  Update enable
5544         condition.
5545
5546 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
5547
5548         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
5549         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
5550         * optabs.h (enum optab_index): Add new OTI_lfloor.
5551         (lfloor_optab): Define corresponding macro.
5552         * optabs.c (init_optabs): Initialize lfloor_optab.
5553         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
5554         and lfloordi2 patterns.
5555         * builtins.c (expand_builtin_int_roundingfn): New prototype.
5556         (expand_builtin_int_roundingfn): New function.
5557         (fold_builtin_int_roundingfn): New prototype.
5558         (fold_builtin_int_roundingfn): New function, renamed from
5559         fold_builtin_lround.
5560         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
5561         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
5562         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
5563         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
5564         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
5565         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
5566         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
5567         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
5568         into lfloor built-in function and (long long int)floor{,f,l} into
5569         llfloor built-in function.
5570         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
5571         BUILT_IN_LLFLOOR.
5572
5573 2005-04-08  Ian Lance Taylor  <ian@airs.com>
5574
5575         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
5576         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
5577         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
5578         (DO_COND, DO_BODY): Likewise.
5579         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
5580         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
5581         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
5582         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
5583         (build_continue_stmt, build_break_stmt): Don't declare.
5584         (c_do_switch_warnings): Update declaration.
5585         * c-gimplify.c (enum bc_t): Remove.
5586         (struct c_gimplify_ctx, ctxp): Remove.
5587         (push_context, pop_context): Remove static functions.
5588         (c_genericize): Don't call push_context or pop_context.
5589         (begin_bc_block, finish_bc_block): Remove static functions.
5590         (build_bc_goto): Likewise.
5591         (gimplify_c_loop): Likewise.
5592         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
5593         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
5594         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
5595         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
5596         * c-common.c (c_do_switch_warnings): Rename from
5597         c_do_switch_warnings_1.
5598         (c_do_switch_warnings) [old version]: Remove.
5599         (c_do_switch_expr_warnings): Remove.
5600         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
5601         function instead of c_do_switch_expr_warnings.
5602         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
5603         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
5604         * c-pretty-print.c (pp_c_statement): Likewise.
5605         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
5606
5607 2005-04-08  Devang Patel  <dpatel@apple.com>
5608
5609         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
5610         While selecting replacement condition pay attention to loop header.
5611
5612 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
5613
5614         Merge from tree-cleanup-branch: VRP, store CCP, store
5615             copy-prop, incremental SSA updating of FUD chains and
5616             newly exposed symbols.
5617
5618         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
5619         (OBJS-common): Add tree-vrp.o.
5620         (tree-vrp.o): New rule.
5621         * basic-block.h (nearest_common_dominator_for_set): Declare.
5622         * common.opt (ftree-store-ccp): New flag.
5623         (ftree-copy-prop): New flag.
5624         (ftree-vrp): New flag.
5625         (ftree-store-copy-prop): New flag.
5626         * dominance.c (nearest_common_dominator_for_set): New.
5627         * domwalk.c (walk_dominator_tree): Only traverse
5628         statements in blocks marked in walk_data->interesting_blocks.
5629         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
5630         * fold-const.c (fold): Handle ASSERT_EXPR.
5631         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
5632         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
5633         flag_tree_vrp at -O2.
5634         * timevar.def (TV_TREE_VRP): Define.
5635         (TV_TREE_COPY_PROP): Define.
5636         (TV_TREE_STORE_COPY_PROP): Define.
5637         (TV_TREE_SSA_INCREMENTAL): Define.
5638         (TV_TREE_STORE_CCP): Define.
5639         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
5640         to kill_redundant_phi_nodes from comment.
5641         (verify_expr): Handle ASSERT_EXPR.
5642         * tree-dfa.c (mark_new_vars_to_rename): Remove second
5643         argument.  Update all users.
5644         (mark_call_clobbered_vars_to_rename): Remove.  Update all
5645         users.
5646         * tree-flow-inline.h (unmodifiable_var_p): New.
5647         * tree-flow.h (enum value_range_type): Declare.
5648         (struct value_range_def): Declare.
5649         (value_range): Declare.
5650         (remove_all_phi_nodes_for): Remove.  Update all users.
5651         (find_phi_node_for): Declare.
5652         (add_type_alias): Declare.
5653         (count_uses_and_derefs): Declare.
5654         (kill_redundant_phi_nodes): Remove.
5655         (rewrite_into_ssa): Remove.
5656         (rewrite_def_def_chains): Remove.
5657         (update_ssa, register_new_name_mapping, create_new_def_for,
5658         need_ssa_update_p, name_registered_for_update_p,
5659         release_ssa_name_after_update_ssa, dump_repl_tbl,
5660         debug_repl_tbl, dump_names_replaced_by,
5661         debug_names_replaced_by, mark_sym_for_renaming,
5662         mark_set_for_renaming, get_current_def, set_current_def,
5663         get_value_range, dump_value_range, debug_value_range,
5664         dump_all_value_ranges, debug_all_value_ranges,
5665         expr_computes_nonzero, loop_depth_of_name,
5666         unmodifiable_var_p): Declare.
5667         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
5668         ASSERT_EXPR.
5669         * tree-into-ssa.c (block_defs_stack): Update comment.
5670         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
5671         syms_to_rename, names_to_release, repl_tbl,
5672         need_to_initialize_update_ssa_p, need_to_update_vops_p,
5673         need_to_replace_names_p): New locals.
5674         (NAME_SETS_GROWTH_FACTOR): Define.
5675         (struct repl_map_d): Declare.
5676         (struct mark_def_sites_global_data): Add field
5677         interesting_blocks.
5678         (enum rewrite_mode): Declare.
5679         (REGISTER_DEFS_IN_THIS_STMT): Define.
5680         (compute_global_livein): Use last_basic_block instead of
5681         n_basic_blocks.
5682         (set_def_block): Remove last argument.  Update all callers.
5683         (prepare_use_operand_for_rename): Remove.  Update all callers.
5684         (prepare_def_operand_for_rename): Remove.  Update all callers.
5685         (symbol_marked_for_renaming): New.
5686         (is_old_name): New.
5687         (is_new_name): New.
5688         (repl_map_hash): New.
5689         (repl_map_eq): New.
5690         (repl_map_free): New.
5691         (names_replaced_by): New.
5692         (add_to_repl_tbl): New.
5693         (add_new_name_mapping): New.
5694         (mark_def_sites): Assume that all the operands in the
5695         statement are in normal form.
5696         (find_idf): Assert that the block in the stack is valid.
5697         (get_default_def_for): New.
5698         (insert_phi_nodes_for): Add new argument 'update_p'.
5699         Add documentation.
5700         If update_p is true, add a new mapping between the LHS of
5701         each new PHI and the name that it replaces.
5702         (insert_phi_nodes_1): Only call find_idf if needed.
5703         (get_reaching_def): Call get_default_def_for.
5704         (rewrite_operand): Remove.
5705         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
5706         and REWRITE_THIS_STMT are false.
5707         Assume that all the operands in the statement are in
5708         normal form.
5709         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
5710         (rewrite_virtual_phi_arguments): Remove.
5711         (invalidate_name_tags): Remove.
5712         (register_new_update_single, register_new_update_set,
5713         rewrite_update_init_block, replace_use,
5714         rewrite_update_fini_block, rewrite_update_stmt,
5715         rewrite_update_phi_arguments): New.
5716         rewrite_blocks): Remove argument 'fix_virtual_phis'.
5717         Add arguments 'entry', 'what' and 'blocks'.
5718         Initialize the dominator walker according to 'what' and
5719         'blocks'.
5720         Start the dominator walk at 'entry'.
5721         (mark_def_site_blocks): Add argument 'interesting_blocks'.
5722         Use it to configure the dominator walker.
5723         (rewrite_into_ssa): Remove argument 'all'.
5724         Make internal.
5725         (rewrite_all_into_ssa): Remove.
5726         (rewrite_def_def_chains): Remove.
5727         (mark_def_interesting, mark_use_interesting,
5728         prepare_phi_args_for_update, prepare_block_for_update,
5729         prepare_def_site_for, prepare_def_sites,
5730         dump_names_replaced_by, debug_names_replaced_by,
5731         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
5732         delete_update_ssa, create_new_def_for,
5733         register_new_name_mapping, mark_sym_for_renaming,
5734         mark_set_for_renaming, need_ssa_update_p,
5735         name_registered_for_update_p, ssa_names_to_replace,
5736         release_ssa_name_after_update_ssa,
5737         insert_updated_phi_nodes_for, update_ssa): New.
5738         * tree-loop-linear.c (linear_transform_loops): Call
5739         update_ssa instead of rewrite_into_ssa.
5740         * tree-optimize.c (vars_to_rename): Remove.
5741         Update all users.
5742         (init_tree_optimization_passes): Replace
5743         pass_redundant_phi with pass_copy_prop.
5744         Add pass_vrp.
5745         Replace pass_ccp with pass_store_ccp.
5746         Add pass_store_copy_prop after pass_store_ccp.
5747         (execute_todo): If the TODO_ flags don't include updating
5748         the SSA form, assert that it does not need to be updated.
5749         Call update_ssa instead of rewrite_into_ssa and
5750         rewrite_def_def_chains.
5751         If TODO_verify_loops is set, call verify_loop_closed_ssa.
5752         (tree_rest_of_compilation):
5753         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
5754         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
5755         TODO_cleanup_cfg): Renumber.
5756         (TODO_verify_loops, TODO_update_ssa,
5757         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
5758         TODO_update_ssa_only_virtuals): Define.
5759         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
5760         Declare.
5761         * tree-phinodes.c (make_phi_node): Update documentation.
5762         (remove_all_phi_nodes_for): Remove.
5763         (find_phi_node_for): New.
5764         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
5765         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
5766         (interpret_rhs_modify_expr): Likewise.
5767         * tree-sra.c (decide_instantiations): Mark all symbols in
5768         SRA_CANDIDATES for renaming.
5769         (mark_all_v_defs_1): Rename from mark_all_v_defs.
5770         (mark_all_v_defs): New function.  Update all users to call it
5771         with the whole list of scalarized statements, not just the
5772         first one.
5773         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
5774         (compute_flow_insensitive_aliasing): If the tag is
5775         unmodifiable and the variable isn't or vice-versa, don't
5776         make them alias of each other.
5777         (setup_pointers_and_addressables): If the type tag for
5778         VAR is about to change, mark the old one for renaming.
5779         (add_type_alias): New.
5780         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
5781         (ccp_lattice_t): Rename from latticevalue.
5782         (value): Remove.  Update all users.
5783         (const_val): New local variable.
5784         (do_store_ccp): New local variable.
5785         (dump_lattice_value): Handle UNINITIALIZED.
5786         (debug_lattice_value): New.
5787         (get_default_value): Re-write.
5788         (set_lattice_value): Re-write.
5789         (def_to_varying): Remove.  Update all users.
5790         (likely_value): Return VARYING for statements that make
5791         stores when STORE_CCP is false.
5792         Return VARYING for any statement other than MODIFY_EXPR,
5793         COND_EXPR and SWITCH_EXPR.
5794         (ccp_initialize): Re-write.
5795         (replace_uses_in, replace_vuse_in, substitute_and_fold):
5796         Move to tree-ssa-propagate.c.
5797         (ccp_lattice_meet): Handle memory stores when
5798         DO_STORE_CCP is true.
5799         (ccp_visit_phi_node): Likewise.
5800         (ccp_fold): Likewise.
5801         (evaluate_stmt): Likewise.
5802         (visit_assignment): Likewise.
5803         (ccp_visit_stmt): Likewise.
5804         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
5805         into DO_STORE_CCP.
5806         (do_ssa_ccp): New.
5807         (pass_ccp): Use it.
5808         (do_ssa_store_ccp): New.
5809         (gate_store_ccp): New.
5810         (pass_store_ccp): Declare.
5811         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
5812         (may_propagate_copy): Reformat.
5813         Don't abort if ORIG is a virtual and DEST isn't.
5814         If NEW does not have alias information but DEST does,
5815         copy it.
5816         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
5817         copy_prop_kind, which_copy_prop): Declare.
5818         (stmt_may_generate_copy, get_copy_of_val,
5819         get_last_copy_of, set_copy_of_val, dump_copy_of,
5820         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
5821         copy_prop_visit_stmt, copy_prop_visit_phi_node,
5822         init_copy_prop, fini_copy_prop, execute_copy_prop,
5823         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
5824         store_copy_prop): New.
5825         (pass_copy_prop, pass_store_copy_prop): Declare.
5826         * tree-ssa-dom.c (struct opt_stats_d): Add fields
5827         'num_const_prop' and 'num_copy_prop'.
5828         (cprop_operand): Update them.
5829         (dump_dominator_optimization_stats): Dump them.
5830         (tree_ssa_dominator_optimize): Call update_ssa instead of
5831         rewrite_into_ssa.
5832         (loop_depth_of_name): Declare extern.
5833         (simplify_cond_and_lookup_avail_expr): Guard against NULL
5834         values for LOW or HIGH.
5835         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
5836         (record_equivalences_from_stmt): Call expr_computes_nonzero.
5837         (cprop_operand): Only propagate if VAL != OP.
5838         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
5839         statement for renaming.
5840         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
5841         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
5842         add_type_alias if necessary.
5843         Call mark_new_vars_to_rename.
5844         (tree_ssa_iv_optimize): If new symbols need to be renamed,
5845         mark every statement updated, call update_ssa and
5846         rewrite_into_loop_closed_ssa.
5847         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
5848         from LIVEIN if VAR is a virtual.
5849         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
5850         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
5851         (get_call_expr_operands): Reformat statement.
5852         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
5853         symbols.
5854         * tree-ssa-propagate.c (ssa_prop_init): Initialize
5855         SSA_NAME_VALUE for every name.
5856         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
5857         get_value_loaded_by): New.
5858         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
5859         substitute_and_fold): Move from tree-ssa-ccp.c.
5860         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
5861         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
5862         get_value_loaded_by, replace_uses_in, substitute_and_fold):
5863         Declare.
5864         * tree-ssa.c (verify_use): Fix error message.
5865         (propagate_into_addr, replace_immediate_uses, get_eq_name,
5866         check_phi_redundancy, kill_redundant_phi_nodes,
5867         pass_redundant_phi): Remove.  Update all users.
5868         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
5869         add_type_alias, if necessary.
5870         * tree-vectorizer.h (struct _stmt_vect_info): Update
5871         documentation for field 'memtag'.
5872         * tree-vrp.c: New file.
5873         * tree.def (ASSERT_EXPR): Define.
5874         * tree.h (ASSERT_EXPR_VAR): Define.
5875         (ASSERT_EXPR_COND): Define.
5876         (SSA_NAME_VALUE_RANGE): Define.
5877         (struct tree_ssa_name): Add field 'value_range'.
5878         (PHI_REWRITTEN): Remove.
5879         (struct tree_phi_node): Remove field 'rewritten'.
5880         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
5881         -ftree-store-copy-prop): Document.
5882         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
5883         Document usage of update_ssa.
5884
5885 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
5886
5887         PR target/20814
5888         * config/rs6000/predicates.md (altivec_register_operand): Accept
5889         SUBREG.
5890         (and64_operand): Do not limit CONST_INT to mask64_operand.
5891         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
5892         (and_operand): Do not limit CONST_INT to mask_operand.
5893
5894 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
5895
5896         PR rtl-optimization/20466
5897         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
5898         for overlap of the address of each list member.
5899         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
5900
5901 2005-04-08  Mike Stump  <mrs@apple.com>
5902
5903         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
5904
5905         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
5906         instead of 4.
5907
5908 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
5909
5910         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
5911
5912         * function.c (push_function_context_to): Don't set
5913         contains_functions.
5914         * function.h (function): Remove contains_functions.
5915         (current_function_contains_functions): Remove.
5916
5917         * function.h (function): Remove instrument_entry_exit.
5918         (current_function_instrument_entry_exit): Remove.
5919
5920         * function.h (nonlocal_labels): Remove.
5921
5922         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
5923
5924         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
5925         (check_attr_value, write_attr_get, write_expr_attr_cache,
5926         find_attr, make_internal_attr): Don't reference negative_ok or
5927         unsigned_p.
5928         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
5929         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
5930         (ATTR_STATIC): Adjust the value.
5931
5932         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
5933
5934 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
5935
5936         * config/s390/tpf.h (ASM_SPEC): Define.
5937
5938 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
5939
5940         * tree-flow.h: Remove the prototype for
5941         redirect_immediate_uses.
5942         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
5943
5944 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
5945
5946         * arm.c (arm_const_double_by_parts): New function.
5947         * arm-protos.h (arm_const_double_by_parts): Add prototype.
5948         * arm.md (define_split for 64-bit constants): Add another one.
5949
5950 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
5951
5952         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
5953
5954 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5955
5956         * system.h: Revert last change.
5957
5958 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
5959
5960         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
5961         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
5962         (TARGET_SWITCHES): Delete.
5963         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
5964         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
5965         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
5966         * config/xtensa/xtensa.opt: New file.
5967
5968 2005-04-08  Ben Elliston  <bje@au.ibm.com>
5969
5970         * config/fp-bit.c: Include L_mul_tf in #endif comment.
5971         * config/fp-bit.h: Tidy comments.
5972
5973 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5974
5975         * system.h: Poison PARAMS.
5976
5977 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
5978
5979         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
5980         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
5981         (TARGET_SWITCHES): Delete.
5982         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
5983         * config/vax/vax.opt: New file.
5984
5985 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
5986
5987         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
5988
5989 2005-04-07  Ian Lance Taylor  <ian@airs.com>
5990
5991         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
5992         define.
5993         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
5994         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
5995         Likewise.
5996
5997 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
5998
5999         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
6000         all immediate uses in PHI nodes.
6001
6002 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
6003
6004         * arm.c (arm_const_double_inline_cost): Handle any constant by
6005         using gen_lowpart and gen_highpart_mode.
6006         (note_invalid_constants): All constants in an RTX with a constraint
6007         that permits memory are now pushed to the constant pool.
6008         (output_move_double): Delete code to handle reg to reg and
6009         constant to reg moves.
6010         (const_double_needs_minipool, output_mov_immediate): Delete.
6011         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
6012         CONST_INT and CONST_VECTOR.
6013         * arm.md (ANY64): New mode macro.
6014         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
6015         (movdf_soft_insn): Split reg-reg and const-reg moves.
6016         (split patterns for 64-bit constant and register moves): New.
6017         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
6018         (cirrus_movdf_hard_insn): Likewise.
6019         * fpa.md (movdf_fpa): Likewise.
6020         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
6021         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
6022         constraints.
6023         (movv2si_internal_2): Likewise.
6024         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
6025         (movdf_vfp): Likewise.
6026         * arm-protos.h (output_mov_immediate): Delete prototype.
6027
6028 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
6029
6030         PR target/20093
6031         * simplify-rtx.c (simplify_unary_operation_1): Check
6032         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
6033
6034 2005-04-06  James E Wilson  <wilson@specifixinc.com>
6035
6036         PR target/20717
6037         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
6038         ADDR_EXPR.
6039
6040 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
6041
6042         * coverage.h (GCOV_TYPE_NODE): Delete.
6043         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
6044         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
6045         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
6046         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
6047         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
6048
6049 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
6050
6051         PR other/20792
6052         * Makefile.in (gcc.pot): Remove options.c dependency.
6053         * optc-gen.awk: Don't quote help strings with N_().
6054
6055 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
6056
6057         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
6058         the function returns a pointer type.
6059
6060 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
6061
6062         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
6063         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
6064         * doc/invoke.texi: Documnet salias-max-implicit-fields.
6065         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
6066         explicit_uses members.
6067         (get_or_create_used_part_for): Initialize new fields.
6068         (fieldoff_compare): New function.
6069         (create_overlap_variables_for): Count number of fields, use
6070         heuristic to determine whether to create subvars for vars with
6071         only implicit uses.
6072         Sort the field list by offset and avoid creating duplicate SFT's.
6073
6074 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
6075
6076         * c.opt (-F): Remove trailing whitespace from help string.
6077         (-finput-charset): Use a tab to separate the switch name and help
6078         string.
6079         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
6080         (-ftree-vectorizer-verbose): Likewise.
6081
6082 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
6083
6084         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
6085         a PHI argument where a use occurs instead of all PHI arguments.
6086
6087 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
6088
6089         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
6090         scope.
6091
6092 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
6093
6094         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
6095         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
6096         config/bfin/bfin.h: Fix comment typos.
6097
6098 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
6099
6100         * doc/install.texi: Update the URL for Jacks.
6101         * doc/sourcebuild.texi: Likewise.
6102
6103 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
6104
6105         PR target/17245
6106         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
6107         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
6108
6109 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
6110
6111         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
6112
6113 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
6114
6115         * config/v850/v850-protos.h (override_options): Delete.
6116         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
6117         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
6118         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
6119         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
6120         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
6121         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
6122         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
6123         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
6124         (OVERRIDE_OPTIONS): Delete.
6125         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
6126         (small_memory_info): Remove the value field.
6127         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
6128         TARGET_NO_APP_REGS.
6129         * config/v850/v850.c (small_memory): Remove the value field.
6130         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6131         (override_options): Delete.
6132         (v850_handle_memory_option, v850_handle_option): New functions.
6133         * config/v850/v850.opt: New file.
6134
6135 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
6136
6137         * config.host: Add a section for generic hosts, and a subsection
6138         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
6139         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
6140         * config/host-darwin.h: New.
6141         * config/x-darwin: New.
6142         * config/i386/host-i386-darwin.c: New.
6143         * config/i386/x-darwin: New.
6144         * config/rs6000/host-darwin.c: Include host-darwin.h.
6145         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
6146         (darwin_rs6000_gt_pch_use_address): Likewise.
6147         * config/rs6000/x-darwin: Change name of .o built, update
6148         dependencies for changes to rs6000/host-darwin.c.
6149
6150 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
6151
6152         PR target/17824
6153         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
6154
6155 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
6156
6157         * tree-vect-analyze.c (vect_analyze_loop_form): Call
6158         split_loop_exit_edge instead of loop_split_edge_with.
6159
6160 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
6161
6162         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
6163         UNSPEC_SET_VSCR): New constants, used throughout.
6164         (*andc3_v4sf): New.
6165         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
6166         Replace with...
6167         (altivec_vspltis<VI_char>): ... this pattern, using
6168         a QImode const_int_operand for the immediate.
6169         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
6170         define_expands.
6171
6172 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
6173
6174         PR target/17822
6175         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
6176
6177 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
6178
6179         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
6180
6181 2005-04-06  Ben Elliston  <bje@au.ibm.com>
6182
6183         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
6184         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
6185         macros as living in "this file" and not gcc.h.
6186
6187 2005-04-06  Ben Elliston  <bje@au.ibm.com>
6188
6189         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
6190         -ftree-live_range_split.  Perhaps renamed at some point?
6191
6192 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
6193
6194         PR target/20625
6195         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
6196         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
6197
6198 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
6199
6200         * tree-flow.h (number_of_iterations_cond): Declaration removed.
6201         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
6202         (number_of_iterations_special): New function.
6203         (number_of_iterations_exit): Use number_of_iterations_special.
6204         Use simplify_using_outer_evolutions only at -O3.
6205         (number_of_iterations_cond, tree_simplify_using_condition,
6206         simplify_using_initial_conditions, loop_niter_by_eval,
6207         compare_trees, can_count_iv_in_wider_type_bound,
6208         simplify_using_outer_evolutions): Use fold_build.
6209
6210 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
6211
6212         * doc/install.texi (Configuration): Document --with-java-home.
6213
6214 2005-04-05  Richard Henderson  <rth@redhat.com>
6215
6216         PR target/20342
6217         PR target/20447
6218         * config/i386/i386.c (print_operand): Handle vector zeros.
6219         (ix86_split_to_parts): Handle CONST_VECTOR.
6220         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
6221         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
6222         what modes to tie for MMX and SSE registers.
6223         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
6224         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
6225         to vector modes as well.
6226         * config/i386/predicates.md (const0_operand): Handle VOIDmode
6227         properly as an input mode.
6228
6229 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
6230
6231         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
6232
6233 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
6234
6235         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
6236
6237 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
6238
6239         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
6240         and local functions, set sse_nregs to 8 and float_in_sse.
6241         (function_arg_advance, function_arg): If float_in_sse, pass
6242         SFmode and DFmode arguments in SSE registers.
6243         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
6244
6245         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
6246         of -funit-at-a-time.
6247
6248 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
6249
6250         * config/i386/i386-protos.h (ix86_function_value): Accept two
6251         arguments, like the target macro.
6252         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
6253         * config/i386/i386.c (ix86_function_value): Accept the second
6254         argument of the target macro.
6255         (ix86_function_ok_for_sibcall): Pass a function pointer to
6256         ix86_function_value.
6257         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
6258         call to ix86_value_regno).
6259         (ix86_value_regno): Add support for returning floating point values
6260         in SSE registers.
6261
6262 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
6263
6264         PR tree-optimization/20076
6265         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
6266         that call __builtin_return or __builtin_apply_args.
6267
6268 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
6269
6270         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
6271         Use immediate use iterator.
6272         (stmt_is_bumper_for_loop): Use immediate use iterator.
6273         * predict.c (strip_builtin_expect): Use update_stmt.
6274         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
6275         on all elements of a STATEMENT_LIST.
6276         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
6277         (bsi_remove): Remove imm_use links and mark the stmt as modified.
6278         (bsi_replace): Mark stmt as modified and the update it.
6279         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
6280         (expand_complex_libcal): Call update_stmt.
6281         (expand_complex_comparison): Call mark_stmt_modified.
6282         (expand_complex_operations_1): Call update_stmt_if_modified.
6283         (expand_vector_operations_1): Call mark_stmt_modified.
6284         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
6285         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
6286         add_immediate_use, redirect_immediate_use,
6287         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
6288         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
6289         (mark_new_vars_to_rename): Call update_stmt.
6290         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
6291         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
6292         Ignore PHI nodes.
6293         (unmodify_stmt): Delete.
6294         (update_stmt): New.  Force an update of a stmt.
6295         (update_stmt_if_modified): update a stmt if it is out of date.
6296         (get_stmt_operands): Verify stmt is NOT modified.
6297         (stmt_modified_p): Update comment.
6298         (delink_imm_use): Remove a use node from its immuse list.
6299         (link_imm_use_to_list): Link a use node to a specific list.
6300         (link_imm_use): Link a node to the correct list.
6301         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
6302         it in the correct list, if appropriate.
6303         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
6304         (relink_imm_use): Link a use node in place of another node in a list.
6305         (relink_imm_use_stmt): LInk a node in place of another node, and set
6306         the stmt pointer.
6307         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
6308         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
6309         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
6310         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
6311         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
6312         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
6313         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
6314         (has_zero_uses): New.  Return true if there are no uses of a var.
6315         (has_single_use): New.  Return true if there is only a single use of a
6316         variable.
6317         (single_imm_use): New.  Return the simgle immediate use.
6318         (num_imm_uses): New.  Return the number of immediate uses.
6319         (get_v_must_def_ops): Use is now a pointer.
6320         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
6321         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
6322         the use node.
6323         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
6324         (delink_stmt_imm_use): Delink all immuses from a stmt.
6325         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
6326         * tree-flow.h (struct dataflow_d): Delete.
6327         (immediate_use_iterator_d): New.  Immediate use iterator struct.
6328         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
6329         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
6330         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
6331         iteration.
6332         (struct stmt_ann_d): Remove dataflow_t from struct.
6333         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
6334         (if_convertible_phi_p): Use FAST immuse iterator.
6335         (if_convertible_loop_p): Don't call compute_immediate_uses.
6336         (replace_phi_with_cond_modify_expr): Call update_stmt.
6337         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
6338         update_stmt_if_modified.
6339         (rewrite_all_into_ssa): Initialize ssa operands.
6340         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
6341         compute_immediate_uses.
6342         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
6343         ssa_property is available.
6344         (execute_one_pass):  Change parameters passed to execute_todo.
6345         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
6346         (remove_ssa_form): Call fini_ssa_operands.
6347         (insert_backedge_copies): Delete call to modify_stmt.
6348         * tree-phinodes.c (make_phi_node): Initialize use nodes.
6349         (release_phi_node): Delink any use nodes before releasing.
6350         (resize_phi_node): Relink any use nodes.
6351         (remove_phi_arg_num): Delink the use node.
6352         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
6353         (remove_all_phi_nodes_for): Release phi node first.
6354         * tree-pretty-print.c (dump_generic_node): Print stmt address.
6355         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
6356         (scalarize_use, scalarize_copy): Call update_stmt.
6357         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
6358         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
6359         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
6360         (ccp_initialize): Remove call to compute_immediate_uses.
6361         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
6362         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
6363         stmts.
6364         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
6365         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
6366         (eliminate_redundant_computations): Call mark_stmt_modified.
6367         (cprop_operand): Call mark_stmt_modified.
6368         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
6369         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
6370         (dse_optimize_stmt): Use new immuse interface.
6371         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
6372         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
6373         (substitute_single_use_vars): Use new immuse interface.
6374         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
6375         and compute_immediate_uses.
6376         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
6377         interface.
6378         (rewrite_mem_refs): Call update_stmt.
6379         (determine_lsm): Remove call to compute_imm_uses and free_df.
6380         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
6381         (try_unroll_loop_completely): Call update_stmt.
6382         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
6383         (rewrite_use_compare): Call update_stmt.
6384         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
6385         (rewrite_use) : Call update_stmt.
6386         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
6387         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
6388         update_stmt.
6389         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
6390         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
6391         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
6392         use nodes.
6393         (initialize_vuse_operand): New.  Initialize a vuse operand.
6394         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
6395         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
6396         (finalize_ssa_defs): Use stmt parameter.
6397         (correct_use_link): Ensure a use node is in the correct list, and has
6398         the correct stmt pointer.
6399         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
6400         finalize_ssa_v_must_defs): Also initialize use nodes.
6401         (finalize_ssa_stmt_operands): Pass extra stmt operands.
6402         (build_ssa_operands): Seperate parsing from final operand construction.
6403         (parse_ssa_operands): New.  Parse entry point for operand building.
6404         (swap_tree_operands): New.  Swap 2 tree operands.
6405         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
6406         operands.
6407         (get_expr_operands): Call swap_tree_operands when needed.
6408         (copy_virtual_operands): Use initialize routines for virtual use ops.
6409         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
6410         (verify_abort): New.  Issue imm_use error.
6411         (verify_imm_links): New Verify imm_use links for a var.
6412         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
6413         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
6414         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
6415         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
6416         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
6417         (NULL_USE_OPERAND_P) Define.
6418         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
6419         use node.
6420         (struct vuse_operand_type): New struct.
6421         (SET_USE): Call set_ssa_use_from_ptr.
6422         (USE_STMT): Define.
6423         (PHI_ARG_INDEX_FROM_USE): Define.
6424         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
6425         argument via SET_USE, not PHI_ARG_DEF_TREE.
6426         * tree-ssa-pre.c (eliminate): Call update_stmt.
6427         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
6428         call free_df.
6429         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
6430         (nearest_common_dominator_of_uses): Use imm_use iterator.
6431         (statement_sink_location): Use imm_use iterator and interface.
6432         (execute_sink_code): Don't call compute_immediate_uses or free-df.
6433         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
6434         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
6435         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
6436         (verify_ssa): Ensure no stmt is marked modify after optimization pass
6437         if new parameter is true.
6438         (init_tree_ssa): Don't initialize operand cache here.
6439         (delete_tree_ssa): Don't destroy operand cache here.
6440         (propagate_into_addr): Pass in a use pointer, return true if anything
6441         was changed.
6442         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
6443         (check_phi_redundancy): Use imm_use iterator.
6444         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
6445         free_df.
6446         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
6447         (release_ssa_name): Delink node and all elements in its imm_use list.
6448         * tree-tailcall.c (adjust_return_value): Call update_stmt.
6449         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
6450         * tree-vectorizer.c (need_imm_uses_for): Delete.
6451         (vectorize_loops): Dont call compute_immediate_uses or free_df.
6452         * tree.h (struct ssa_imm_use_d): Define.
6453         (SSA_NAME_IMM_USE_NODE): Define.
6454         (struct tree_ssa_name): Add imm_use node.
6455         (PHI_DF): Delete.
6456         (PHI_ARG_IMM_USE_NODE): Define.
6457         (struct phi_arg_d): Add imm_use node.
6458         (struct tree_phi_node): Remove struct dataflow_d element.
6459         (TDF_STMTADDR): Define.
6460
6461 2005-04-05  Dale Johannesen  <dalej@apple.com>
6462
6463         * doc/invoke.texi (Optimization Options):  Remove
6464         duplicate -fcse-follow-jumps.  Add -fweb.
6465         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
6466         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
6467
6468 2005-04-05  Per Bothner  <per@bothner.com>
6469
6470         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
6471         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
6472         (warn_uninit): Get EXPR_LOCUS from context now instead.
6473         This fixes a USE_MAPPED_LOCATION testsuite failure.
6474
6475         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
6476
6477 2005-04-05  Per Bothner  <per@bothner.com>
6478
6479         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
6480         of the artification 'return 0' in main() to BUILTINS_LOCATION.
6481         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
6482         before warning.
6483
6484 2004-04-05  Devang Patel  <dpatel@apple.com>
6485
6486         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
6487         (lhsr<mode>3): ... new name.
6488         (altivec_vsra<VI_char>): Rename to ..
6489         (ashr<mode>3): ... new name.
6490         * config/rs6000/rs6000.c (builtin_description): Rename shift
6491         operations.
6492
6493 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
6494
6495         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
6496         gen_lowpart_for_combine.
6497         * cse.c (gen_lowpart_if_possible): Move...
6498         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
6499         gen_lowpart_SUBREG.
6500         (gen_lowpart_no_emit_general): Use it.
6501
6502 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
6503
6504         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
6505         overriding.
6506
6507 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
6508
6509         * system.h: Fix typo.
6510
6511 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
6512
6513         * config/bfin/bfin-modes.def: New file.
6514         * config/bfin/bfin-protos.h: New file.
6515         * config/bfin/bfin.c: New file.
6516         * config/bfin/bfin.h: New file.
6517         * config/bfin/bfin.md: New file.
6518         * config/bfin/bfin.opt: New file.
6519         * config/bfin/crti.s: New file.
6520         * config/bfin/crtn.s: New file.
6521         * config/bfin/elf.h: New file.
6522         * config/bfin/lib1funcs.asm: New file.
6523         * config/bfin/predicates.md: New file.
6524         * config/bfin/t-bfin: New file.
6525         * config/bfin/t-bfin-elf: New file.
6526         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
6527         Document new attributes.
6528         (interrupt, interrupt_handler, saveall): Update documentation for
6529         these attributes.
6530         * doc/install.texi (Specific): Add entry for the Blackfin.
6531         * doc/invoke.texi (Blackfin Options): New section.
6532         * doc/md.texi (Blackfin family): New section to document constraints.
6533         * config.gcc: Add bfin*-* and bfin*-elf configurations.
6534
6535 2005-04-05  Olivier Hainque  <hainque@adacore.com>
6536
6537         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
6538         match what the system unwinder expects.
6539         * config/mips/mips.c (mips_frame_set): If we're saving the return
6540         address register and the dwarf return address column number differs
6541         from the hard register number, adjust the note reg to refer to the
6542         former.
6543
6544 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
6545
6546         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
6547         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
6548         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
6549         (processor_type): New enum.
6550         (mn10300_processor): New variable.
6551         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
6552         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
6553         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
6554         (PROCESSOR_DEFAULT): New macro.
6555         * config/mn10300/mn10300.c (mn10300_processor): New variable.
6556         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6557         (mn10300_handle_option, mn10300_override_options): New functions.
6558         * config/mn10300/mn10300.opt: New file.
6559
6560 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
6561             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
6562
6563         PR tree-optimization/19903
6564         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
6565         that don't fit in their type after conversion.
6566
6567 2005-04-05  Uros Bizjak <uros@kss-loka.si>
6568
6569         PR target/20421
6570         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
6571         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
6572         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
6573         flag here. Implement using define_insn_and_split.
6574         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
6575         (frndintxf2_mask_pm_i387): New insn patterns.
6576         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
6577         Do not set ix86_optimize_mode_switching flag.
6578         (ceilsf2, ceildf2, ceilxf2): Same.
6579         (btruncsf2, btruncdf2, btruncxf2): Same.
6580         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
6581
6582 2005-04-05  Ian Lance Taylor  <ian@airs.com>
6583
6584         PR debug/9963
6585         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
6586         i386_pe_record_external_function.
6587         (i386_pe_record_external_function): Update declaration.
6588         * config/i386/winnt.c (struct extern_list): Add decl field.
6589         (i386_pe_record_external_function): Add decl parameter.
6590         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
6591         identifier.
6592         * config/i386/i386-protos.h (i386_pe_record_external_function):
6593         Update declaration.
6594
6595 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
6596
6597         * config/m68k/m68k-protos.h: Add a prototype for
6598         valid_dbcc_comparison_p_2.
6599         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
6600         extend_operator, const_uint32_operand, const_sint32_operand,
6601         general_src_operand, nonimmediate_src_operand,
6602         memory_src_operand, post_inc_operand, pre_dec_operand,
6603         pcrel_address): Move to predicates to predicates.md.
6604         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
6605         * config/m68k/m68k.md: Include predicates.md.
6606         * config/m68k/predicates.md: New.
6607
6608 2005-04-04  Roger Sayle  <roger@eyesopen.com>
6609
6610         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
6611
6612         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
6613
6614 2005-04-04  Ian Lance Taylor  <ian@airs.com>
6615
6616         * c-typeck.c (struct c_switch): Rename switch_stmt field to
6617         switch_expr.
6618         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
6619         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
6620         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
6621         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
6622         * c-common.c (c_do_switch_warnings_1): New static function broken
6623         out of c_do_switch_warnings.
6624         (c_do_switch_warnings): Call c_do_switch_warnings_1.
6625         (c_do_switch_expr_warnings): New function.
6626         * c-common.h (c_do_switch_expr_warnings): Declare.
6627
6628 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
6629             Daniel Jacobowitz  <dan@codesourcery.com>
6630
6631         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
6632         trapping divide.
6633         * rtlanal.c (may_trap_p): Same.
6634
6635 2005-04-04  Dale Johannesen  <dalej@apple.com>
6636
6637         * ChangeLog:  remove reference to ChangeLog.12.
6638
6639 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
6640
6641         CRIS epilogue as RTL.
6642         * config/cris/cris.md: Change all 0 in unspec 0 to
6643         CRIS_UNSPEC_PLT.
6644         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
6645         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
6646         patterns.
6647         ("return"): Change to define_expand.  Call cris_expand_return for
6648         actual expansion.
6649         ("*return_expanded"): New pattern.
6650         ("epilogue"): New define_expand.
6651         * config/cris/cris.h (PREDICATE_CODES): Add
6652         cris_load_multiple_op.
6653         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
6654         type.
6655         (enum cris_retinsn_type): New.
6656         (struct machine_function): New member return_type.
6657         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
6658         (cris_target_asm_function_epilogue): Remove, moving RTLified
6659         contents to...
6660         (cris_expand_epilogue): New function.
6661         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
6662         (cris_gen_movem_load, cris_load_multiple_op)
6663         (cris_return_address_on_stack_for_return, cris_expand_return): New
6664         functions.
6665         (cris_target_asm_function_prologue)
6666         (cris_initial_frame_pointer_offset): Call
6667         cris_reg_saved_in_regsave_area instead of complicated expression.
6668         Call cris_return_address_on_stack instead of an expression.
6669         (cris_print_operand) <case 'o', case 'O'>: New cases.
6670         (cris_return_address_on_stack): Change return-type to bool.
6671         (cris_simple_epilogue): Ditto.  Return false if registers are
6672         saved.
6673         * config/cris/cris-protos.h (cris_simple_epilogue)
6674         (cris_return_address_on_stack): Adjust prototype return type.
6675         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
6676         (cris_return_address_on_stack_for_return): New prototypes.
6677
6678 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
6679
6680         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
6681         gpr_or_int12_operand.
6682
6683         * config/frv/frv-protos.h: Add a prototype to
6684         frv_legitimate_memory_operand and frv_const_unspec_p.
6685         (frv_unspec): Move from frv.c.
6686         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
6687         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
6688         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
6689         gpr_or_fpr_operand, gpr_or_int12_operand,
6690         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
6691         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
6692         int6_operand, int5_operand, uint5_operand, uint4_operand,
6693         uint1_operand, int_2word_operand, uint16_operand,
6694         upper_int16_operand, integer_register_operand,
6695         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
6696         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
6697         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
6698         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
6699         move_destination_operand, movcc_fp_destination_operand,
6700         frv_function_symbol_referenced_p, move_source_operand,
6701         condexec_dest_operand, condexec_source_operand,
6702         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
6703         const_unspec_operand, gpr_or_memory_operand,
6704         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
6705         icc_operand, fcc_operand, cc_operand, icr_operand,
6706         fcr_operand, cr_operand, call_operand, sibcall_operand,
6707         symbolic_operand, relational_operator,
6708         integer_relational_operator, float_relational_operator,
6709         ccr_eqne_operator, minmax_operator,
6710         condexec_si_binary_operator, condexec_si_media_operator,
6711         condexec_si_divide_operator, condexec_si_unary_operator,
6712         condexec_sf_conv_operator, condexec_sf_add_operator,
6713         condexec_memory_operand, intop_compare_operator, acc_operand,
6714         even_acc_operand, quad_acc_operand, accg_operand: Move to
6715         predicates.md.
6716         * config/frv/frv.h (PREDICATE_CODES): Remove.
6717         * config/frv/frv.md: Include predicates.md.
6718         * config/frv/predicates.md: New.
6719
6720 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
6721
6722         PR target/19537
6723         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
6724         * tree-ssa-loop-ivopts.c: Include langhooks.h.
6725         (add_standard_iv_candidates_for_size): New function, extracting code
6726         from add_standard_iv_candidates and parameterizing it by type size.
6727         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
6728
6729 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
6730
6731         * system.h (GCOV_SIZE_TYPE): Unposion.
6732         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
6733         (GCOV_TYPE_SIZE): ...this new macro.
6734         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
6735         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
6736         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
6737         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
6738         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
6739         instead of unsigned_intSI_type_node.
6740         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
6741         (rtl_gen_one_value_profiler_no_edge_manipulation)
6742         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
6743         * value-prof.c: Include coverage.h.
6744
6745 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
6746             Diego Novillo <dnovillo@redhat.com>
6747
6748         Fix PR tree-optimization/20703
6749         Fix PR tree-optimization/20725
6750
6751         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
6752         (create_expression_by_pieces): Ditto.
6753         (valid_in_set): Ditto. Also handle tcc_declaration.
6754         (find_or_generate_expression): Handle comparison class.
6755         (insert_into_preds_of_block): Ditto.
6756         (insert_aux): Ditto.
6757         (create_value_expr_from): Handle comparison class, recursively
6758         handle reference nodes.
6759         (compute_avail): Handle comparison classes, rewrite a little cleaner.
6760         (execute_pre): Fix spacing.
6761         (do_fre): Renamed to execute_fre.
6762
6763 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6764
6765         * doc/invoke.texi (SPARC options): Document that
6766         -mlittle-endian is not supported on Linux either.
6767
6768 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6769
6770         PR target/4198
6771         PR target/12027
6772         * config.gcc (Obsolete configurations): Remove
6773         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
6774         (sparclite-*-coff*): Delete.
6775         (sparclite-*-elf*): Likewise.
6776         (sparc86x-*-elf*): Likewise.
6777         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
6778         * config/sparc/lite.h: Delete.
6779         * config/sparc/litecoff.h: Likewise.
6780         * config/sparc/liteelf.h: Likewise.
6781         * config/sparc/sp86x-elf.h: Likewise.
6782         * config/sparc/t-sparclite: Likewise.
6783         * config/sparc/t-sp86x: Likewise.
6784
6785 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
6786
6787         * config/s390/s390-protos.h: (s390_comparison,
6788         s390_alc_comparison, s390_slb_comparison, const0_operand,
6789         consttable_operand, larl_operand, s_operand,
6790         shift_count_operand, bras_sym_operand, load_multiple_operation,
6791         store_multiple_operation, s390_plus_operand): Remove prototypes.
6792         (s390_legitimate_address_without_index_p): New prototype.
6793         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
6794         to s390.h.
6795         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
6796         const0_operand, consttable_operand, larl_operand, s_operand,
6797         shift_count_operand, bras_sym_operand, load_multiple_operation,
6798         store_multiple_operation, s390_plus_operand): Move to
6799         predicates.md.
6800         (check_mode): Remove.
6801         (s390_branch_condition_mask): Remove 'static'. Move prototype to
6802         s390-protos.h.
6803         (s390_legitimate_address_without_index_p): New.
6804         * config/s390/s390.h (PREDICATE_CODES): Remove.
6805         * config/s390/s390.md: Include predicates.md.
6806         * config/s390/predicates.md: New.
6807
6808 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6809
6810         PR target/20446
6811         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
6812         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
6813         (NEED_INDICATE_EXEC_STACK): Define to 1.
6814         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
6815         (NEED_INDICATE_EXEC_STACK): Define to 1.
6816         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
6817         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
6818         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
6819         (pic_helper_emitted_p): New global.
6820         (emit_pic_helper): New function extracted from...
6821         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
6822         Do not call emit_pic_helper if delay_pic_helper is true.
6823         (sparc_expand_prologue): Pass 'false' to load_pic_register.
6824         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
6825         (sparc_file_end): New function.
6826
6827 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
6828
6829         * config/mcore/mcore-protos.h: Remove the prototypes for
6830         mcore_arith_reg_operand, mcore_general_movsrc_operand,
6831         mcore_general_movdst_operand, mcore_reload_operand,
6832         mcore_arith_J_operand, mcore_arith_K_operand,
6833         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
6834         mcore_arith_K_S_operand, mcore_arith_imm_operand,
6835         mcore_arith_any_imm_operand, mcore_arith_O_operand,
6836         mcore_literal_K_operand, mcore_addsub_operand,
6837         mcore_compare_operand, mcore_load_multiple_operation,
6838         mcore_store_multiple_operation, mcore_call_address_operand.
6839         Add a prototype for const_ok_for_mcore.
6840         * config/mcore/mcore.c (mcore_call_address_operand,
6841         mcore_general_movsrc_operand, mcore_general_movdst_operand,
6842         mcore_arith_reg_operand, mcore_reload_operand,
6843         mcore_arith_J_operand, mcore_arith_K_operand,
6844         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
6845         mcore_arith_M_operand, mcore_arith_imm_operand,
6846         mcore_arith_any_imm_operand, mcore_arith_O_operand,
6847         mcore_literal_K_operand, mcore_addsub_operand,
6848         mcore_compare_operand, mcore_load_multiple_operation,
6849         mcore_store_multiple_operation): Move to predicates.md.
6850         (const_ok_for_mcore): Export.
6851         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
6852         * config/mcore/mcore.md: Include predicates.md.
6853         * config/mcore/predicates.md: New.
6854
6855         * config/mcore/predicates.md: Fix a comment typo.
6856
6857 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
6858             Adrian Straetling  <straetling@de.ibm.com>
6859
6860         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
6861         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
6862         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
6863         attribute.
6864         ("imul"): Removed from "type" attribute.
6865         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
6866         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
6867         Changed type to imulsi.
6868         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
6869
6870 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
6871
6872         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
6873         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
6874         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
6875         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
6876         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
6877         (TARGET_SWITCHES, mcore_stack_increment_string)
6878         (TARGET_OPTIONS): Delete.
6879         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
6880         than *_BIT constants.
6881         (TARGET_8ALIGN): #undef old definition before redefining to 1.
6882         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
6883         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
6884         (mcore_override_options): Delete mcore_stack_increment code.
6885         Change use of M340_BIT to MASK_M340.
6886         * config/mcore/mcore.opt: New file.
6887
6888 2005-04-04  Ian Lance Taylor  <ian@airs.com>
6889
6890         * config/arm/arm.c (replace_symbols_in_block): Remove static
6891         function.
6892
6893 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
6894
6895         * config/fr30/fr30-protos.h: Remove the prototypes for
6896         stack_add_operand, add_immediate_operand,
6897         high_register_operand, low_register_operand, call_operand,
6898         di_operand, and nonimmediate_di_operand.
6899         * config/fr30/fr30.c (stack_add_operand,
6900         add_immediate_operand, high_register_operand,
6901         low_register_operand, call_operand, di_operand,
6902         nonimmediate_di_operand): Move to predicates.md.
6903         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
6904         * config/fr30/fr30.md: Include predicates.md.
6905         * config/fr30/predicates.md: New.
6906
6907         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
6908         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
6909         mcore_call_address_operand.
6910
6911         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
6912         general_movsrc_operand.
6913
6914 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
6915
6916         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
6917         after freeing.
6918
6919 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
6920
6921         PR target/14812
6922         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
6923         a negated value.
6924
6925 2005-04-04  Richard Henderson  <rth@redhat.com>
6926             Jakub Jelinek  <jakub@redhat.com>
6927
6928         PR rtl-optimization/16104
6929         * fold-const.c (fold_unary): Fix folding of vector conversions.
6930
6931 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
6932
6933         * config.gcc (xstormy16-*-elf): Set extra_options.
6934         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
6935         * config/stormy16/stormy16.opt: New file.
6936
6937 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
6938
6939         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
6940         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
6941         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
6942         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
6943         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
6944         (TARGET_UNIX_ASM): Delete.
6945         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
6946         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
6947         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
6948         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6949         * config/pdp11/pdp11.opt: New file.
6950
6951 2005-04-03  Roger Sayle  <roger@eyesopen.com>
6952             Alexandre Oliva  <aoliva@redhat.com>
6953
6954         PR c++/19199
6955         * fold-const.c (non_lvalue): Split tests into...
6956         (maybe_lvalue_p): New function.
6957         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
6958         C++ front-end prior to lowering into gimple form.
6959
6960 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6961
6962         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
6963         BUILT_IN_STRNCASECMP): New.
6964         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
6965         and strndup.
6966
6967 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
6968
6969         PR target/14812
6970         * arm.md (addsi3_compare0_for_combiner): Delete.
6971         (addsi3_compare0_scratch_for_combiner): Delete.
6972         (cmpsi_neg_shiftsi): Delete.
6973         (compare_negsi_si): New pattern.
6974         (cmpsi_negshiftsi_si): New pattern.
6975         (negated_cbranchsi4): Restrict to equality_operator.
6976
6977         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
6978         template.
6979
6980 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
6981
6982         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
6983         Fix comment typos.
6984
6985         * doc/install.texi: Fix a typo.
6986
6987 2005-04-03  Steven Bosscher  <stevenb@suse.de>
6988
6989         PR middle-end/20648
6990         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
6991         a computed goto if the edge to the computed goto block has
6992         incoming abnormal edges.  Clarify how the function works.
6993
6994 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
6995
6996         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
6997         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
6998         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
6999         hash_scan_set, reg_set_between_after_reload_p,
7000         reg_used_between_after_reload_p, get_avail_load_store_reg,
7001         eliminate_partially_redundant_load): Likewise.
7002         * postreload.c (reload_cse_simplify_set,
7003         reload_combine_note_use): Likewise.
7004         * predict.c (predict_insn, expected_value_to_br_prob,
7005         propagate_freq, expensive_function_p): Likewise.
7006         * print-rtl.c (print_rtx): Likewise.
7007         * profile.c (instrument_edges, instrument_values,
7008         compute_branch_probabilities, branch_prob, union_groups,
7009         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
7010         * protoize.c (in_system_include_dir, file_could_be_converted,
7011         file_normally_convertible, gen_aux_info_file, seek_to_line,
7012         do_cleaning): Likewise.
7013         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
7014         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
7015         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
7016
7017 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
7018
7019         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
7020         * modulo-sched.c (undo_replace_buff_elem): New structure.
7021         (kernel_number_of_cycles, ps_unschedule_node,
7022         undo_generate_reg_moves,free_undo_replace_buff,
7023         undo_permute_partial_schedule,  loop_single_full_bb_p,
7024         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
7025         build_loops_structure, get_sched_window): New.
7026         (generate_reg_moves): Return undo_replace_buff_elem and other
7027         fixes.
7028         (generate_prolog_epilog): Remove old loop versioning.
7029         (sms_schedule): Use loop information and loop_version.
7030         (sms_schedule_by_order): Split part of it to get_sched_window.
7031         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
7032         cfg_layout_finalize and free_dominance_info before/after SMS.
7033
7034 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
7035
7036         * cfghooks.c (lv_flush_pending_stmts,
7037         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
7038         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
7039         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
7040         lv_add_condition_to_bb,
7041         lv_adjust_loop_header_phi, extract_cond_bb_edges,
7042         flush_pending_stmts): New in cfg_hooks structure.
7043         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
7044         extract_cond_bb_edges, lv_adjust_loop_header_phi,
7045         lv_add_condition_to_bb): New declarations.
7046         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
7047         bool.
7048         (loop_version): Declare.
7049         * cfgloopmanip.c (cfghooks.h): Include.
7050         (duplicate_loop_to_header_edge): Change return type to bool.
7051         (loop_version, lv_adjust_loop_entry_edge): Move here.
7052         * cfgrtl.c (cfgloop.h): Include.
7053         (rtl_verify_flow_info_1): Fix.
7054         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
7055         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
7056         initialization.
7057         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
7058         tree_lv_add_condition_to_bb): New.
7059         (tree_cfg_hooks): Add new hooks to initialization.
7060         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
7061         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
7062
7063 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
7064
7065         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
7066         xstormy16_below100_or_register,
7067         xstormy16_splittable_below100_or_register, and
7068         nonimmediate_nonstack_operand.
7069
7070         * config/stormy16/stormy16-protos.h: Remove the prototypes for
7071         xstormy16_ineqsi_operator, equality_operator,
7072         inequality_operator, shift_operator,
7073         xstormy16_below100_operand, xstormy16_below100_or_register,
7074         xstormy16_splittable_below100_or_register,
7075         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
7076         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
7077         equality_operator, inequality_operator,
7078         xstormy16_below100_operand, xstormy16_below100_or_register,
7079         xstormy16_splittable_below100_or_register,
7080         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
7081         nonimmediate_nonstack_operand, shift_operator): Move to
7082         predicates.md.
7083         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
7084         * config/stormy16/stormy16.md: Include predicates.md.
7085         * config/stormy16/predicates.md: New.
7086
7087 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
7088
7089         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
7090         small_int, large_int, reg_or_0_operand, simple_memory_operand,
7091         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
7092         move_operand, power_of_2_operand): Move to predicates.md.
7093         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
7094         PREDICATE_CODE): Remove.
7095         * config/iq2000/iq2000.md: Include predicates.md.
7096         * config/iq2000/predicates.md: New.
7097
7098 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
7099
7100         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
7101         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
7102         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
7103         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
7104         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
7105         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
7106         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
7107         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
7108         (TARGET_M68HC11): Delete.
7109         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
7110         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
7111         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
7112         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
7113         (nb_soft_regs): Delete.
7114         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
7115         (m68hc11_override_options): Remove the code that caters for MASK_M6811
7116         and MASK_M6812 being set simultaneously.  Change the code that sets
7117         the default m68hc11_soft_reg_count to use integers instead of strings.
7118         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
7119         m68hc11_soft_reg_count (which now has an int type) as the number
7120         of soft registers.
7121         * config/m68hc11/m68hc11.opt: New file.
7122
7123 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
7124
7125         * config/fr30/fr30.h (PREDICATE_CODES): Remove
7126         fp_displacement_operand, sp_displacement_operand.
7127
7128         * config/m68hc11/m68hc11-protos.h: Add a prototype for
7129         m68hcc_auto_inc_p.
7130         Remove the prototypes for tst_operand, cmp_operand,
7131         stack_register_operand, d_register_operand,
7132         hard_addr_reg_operand, splitable_operand,
7133         m68hc11_logical_operator, m68hc11_arith_operator,
7134         m68hc11_non_shift_operator, m68hc11_shift_operator,
7135         m68hc11_unary_operator, m68hc11_eq_compare_operator,
7136         non_push_operand, hard_reg_operand, and
7137         reg_or_some_mem_operand.
7138         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
7139         extern.
7140         (tst_operand, cmp_operand, non_push_operand,
7141         splitable_operand, reg_or_some_mem_operand,
7142         stack_register_operand, d_register_operand,
7143         hard_addr_reg_operand, hard_reg_operand,
7144         m68hc11_eq_compare_operator, m68hc11_logical_operator,
7145         m68hc11_arith_operator, m68hc11_non_shift_operator,
7146         m68hc11_shift_operator, m68hc11_unary_operator): Move to
7147         predicates.md.
7148         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
7149         * config/m68hc11/m68hc11.md: Include predicates.md.
7150         * config/m68hc11/predicates.md: New.
7151
7152 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
7153
7154         PR debug/19345
7155         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
7156         change checked in along with 2005-03-03's patch for debug/20253.
7157         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
7158         (remap_decl): Insert type decl in map earlier.
7159
7160 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
7161
7162         PR tree-optimization/20640
7163         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
7164         post-dominator if it has phi nodes.
7165         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
7166         before dead statements.
7167
7168 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
7169
7170         PR middle-end/20491
7171         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
7172
7173 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
7174
7175         PR rtl-optimization/20290
7176         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
7177         in every iteration if the entry point is the exit test.
7178
7179 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
7180
7181         * config/cris/cris.md (attribute "length"): Define.
7182
7183 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
7184
7185         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
7186         (word_offset_memref_operand): New.
7187         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
7188         (indexed_or_indirect_operand): Delete.
7189         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
7190         (indexed_or_indirect_operand): Delete.
7191
7192         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
7193
7194         PR 20650
7195         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
7196         a register.
7197
7198         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
7199         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
7200
7201 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
7202
7203         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
7204
7205 2005-04-01  Ian Lance Taylor  <ian@airs.com>
7206
7207         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
7208         (rus, prus): Remove static variables.
7209         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
7210         (process_command): Permit report_times and use_pipes together.
7211
7212 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
7213
7214         * c-decl.c (validate_proto_after_old_defn): Look at
7215         TYPE_MAIN_VARIANT of argument types.
7216
7217 2005-04-01  Paul Brook  <paul@codesourcery.com>
7218
7219         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
7220         (arm_output_function_epilogue): Allow call_via_SP.
7221         (thumb_call_via_reg, arm_file_end): Ditto.
7222         * config/arm/arm.h (struct machine_function): Include space for SP.
7223         (thumb_call_via_label): Update declaration.
7224
7225 2005-04-01  Ian Lance Taylor  <ian@airs.com>
7226
7227         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
7228         doing a peephole optimization, once again put any notes in the
7229         proper position.
7230
7231 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7232
7233         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
7234
7235 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
7236
7237         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
7238         (block_alloc, find_free_reg): Likewise.
7239         * loop-doloop.c (doloop_modify): Likewise.
7240         * loop-invariant.c (record_use): Likewise.
7241         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
7242         get_iv_value, canon_condition, eliminate_implied_condition,
7243         eliminate_implied_condition, simplify_using_initial_values,
7244         shorten_into_mode, canonicalize_iv_subregs,
7245         iv_number_of_iterations): Likewise.
7246         * loop-unroll.c (expand_var_during_unrolling): Likewise.
7247         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
7248         unswitch_loop): Likewise.
7249         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
7250         move_movables, replace_call_address, find_and_verify_loops,
7251         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
7252         record_giv, final_giv_value, general_induction_var,
7253         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
7254         loop_giv_dump): Likewise.
7255
7256         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
7257         GCOV_CHECK_WRITING): Remove.
7258         (gcov_position, gcov_rewrite): Use gcc_assert.
7259         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
7260         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
7261         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
7262         gcc_assert.
7263
7264 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7265
7266         * tree-inline.c: Fix a typo.
7267
7268 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
7269
7270         * configure.ac (enable-checking): Explicitly set all variables for
7271         collective switch values.  Alphabetize variables. Rename
7272         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
7273         synonym for 'no'.
7274         * doc/install.texi (enable-checking): Update documentation.
7275         * configure: Rebuilt.
7276
7277 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7278
7279         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
7280         possible.
7281
7282 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
7283
7284         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
7285         Also reject cases where this pattern will cause load delay stalls
7286         unless optimizing for size and it will produce a shorter sequence.
7287         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
7288         variants to avoid pre-adjusting the base when possible.
7289
7290 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
7291
7292         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
7293         the frame and argument pointers.
7294         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
7295         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
7296         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
7297         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
7298         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
7299         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
7300
7301 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
7302
7303         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
7304         with entry for selectany attribute.
7305         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
7306         Declare.
7307         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
7308         (i386_pe_asm_named_section): Handle sections generated by
7309         selectany attribute.
7310         * doc/extend.texi (selectany): Document attribute.
7311
7312 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
7313             Jan Hubicka  <jh@suse.cz>
7314
7315         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
7316         to fix addresses involving EBP and ESP.
7317         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
7318         for SUBREGed registers.
7319         (legitimate_address_p): Accept SUBREGed registers.
7320
7321 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
7322
7323         PR c++/19406
7324         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
7325         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
7326         for FIELD_DECLs.
7327
7328 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7329
7330         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
7331
7332 2005-04-01  James E Wilson  <wilson@specifixinc.com>
7333
7334         PR c++/20505
7335         * dwarf2out.c (rtl_for_decl_init): New function.
7336         (rtl_for_decl_location): Extracted from here.
7337         (tree_add_const_value_attribute): Call rtl_for_decl_init and
7338         add_const_value_attribute.  Delete initializer_constant_valid_p call.
7339
7340 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7341
7342         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
7343         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
7344         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
7345         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
7346         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
7347         config/i386/i386.md, config/rs6000/predicates.md,
7348         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
7349         config/s390/s390.c, config/stormy16/stormy16.c,
7350         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
7351         typos.
7352
7353 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
7354
7355         PR c/17855
7356         * gimplify.c (gimplify_expr): Create a temporary for lvalue
7357         COND_EXPR and CALL_EXPR.
7358
7359 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
7360
7361         PR target/20632
7362         * genautomata.c (first_cycle_unit_presence): Check all alternative
7363         states for unit presence.
7364
7365         * doc/md.texi: Remove remark about impossibility to query unit
7366         presence in non nondeterministic automaton state.
7367
7368         * config/ia64/ia64.c (get_template): Change order of unit querying.
7369
7370 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
7371
7372         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
7373         obsolete comment.
7374
7375 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
7376
7377         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
7378         flag for edges outside any loops.
7379
7380 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
7381
7382         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
7383
7384 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
7385
7386         * tree-ssa-alias.c: Follow spelling conventions.
7387         * doc/tree-ssa.texi: Fix a typo.
7388
7389 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
7390
7391         * postreload-gcse.c: Include target.h.
7392         (gcse_after_reload_main): Return early if we cannot modify jumps.
7393         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
7394
7395 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
7396
7397         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
7398         expensive operations.
7399
7400 2005-03-31  Ian Lance Taylor  <ian@airs.com>
7401
7402         * collect2.c (lderrout): New variable.
7403         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
7404         if it is set, to stderr.
7405         (handler): Unlink lderrout if it is set.
7406         (dump_file): Add "to" parameter.  Change all callers.
7407         (main): Initialize lderrout.
7408         (collect_execute): Add errname parameter.  Change all callers.
7409         Rename redir parameter to outname.  Never pass
7410         PEX_STDERR_TO_STDOUT to pex_run.
7411         * collect2.h (collect_execute, dump_file): Update declarations.
7412         * tlink.c (tlink_execute): Add errname parameter.  Change all
7413         callers.
7414         (do_tlink): Check lderrout as well as ldout.
7415
7416 2005-03-31  Caroline Tice  <ctice@apple.com>
7417
7418         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
7419         (bb-reorder.o): Add errors.h to list of requirements.
7420         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
7421         profiledbootstrap flags.
7422         * bb-reorder.c (errors.h): Add new include.
7423         (struct bbro_basic_block_data_def): Add new field, in_trace.
7424         (add_unlikely_executed_notes):  Remove function.
7425         (mark_bb_for_unlikely_executed_section): Remove function.
7426         (insert_section_boundary_note): New function.
7427         (verify_hot_cold_block_grouping): New function.
7428         (push_to_next_round_p): Remove variables and tests that push all
7429         cold blocks to last round.
7430         (find_traces): Remove code that added extra round of trace finding
7431         when doing partitioning.
7432         (find_traces_1_round) :  Remove variable last_round;  add code to
7433         update new struct field, in_trace; correct trace_length where it was
7434         incorrect before (after call to copy_bb); change code that pushed all
7435         cold blocks to last round. Instead verify that all blocks going into
7436         a trace belong in the same partition.
7437         (connect_traces): Modify to connect the traces in two passes, if the
7438         function contains both hot and cold blocks.  The first pass connects
7439         all the traces for blocks in the partition that the first block in
7440         the function belongs to; the second pass connnects all the traces
7441         containing blocks that belong in the other partition.
7442         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
7443         code that automatically put the first block in a function into the
7444         hot partition if the function had any hot blocks.
7445         (fix_crossing_unconditional_branches): Check number of succ edges
7446         before attempting to get one.
7447         (fix_edges_for_rarely_executed_code):  Update comment describing
7448         function.
7449         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
7450         remove call to add_unlikely_executed_notes; add call to
7451         verify_hot_cold_block_grouping.
7452         (duplicate_computed_gotos): Don't change computed goto if it's a
7453         crossing edge.
7454         (partition_hot_cold_basic_blocks):  Update function comment.
7455         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
7456         condition.
7457         (try_forward_edges): Likewise.
7458         (merge_blocks_move_predecessor_nojumps): Likewise.
7459         (merge_blocks_move_successor_nojumps): Likewise.
7460         (merge_blocks_move): Likewise.
7461         (try_crossjump_bb): Likewise.
7462         * cfglayout.c (update_unlikely_executed_notes): Remove function.
7463         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
7464         notes to cold bb's; remove call to update_unlikely_executed_notes.
7465         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
7466         NOTE_INSN_SWITCH_TEXT_SECTIONS.
7467         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
7468         function declaration.
7469         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
7470         from consideration.
7471         (rtl_can_merge_blocks): Remove redundancy from condition.
7472         (try_redirect_by_replacing_jump): Likewise.
7473         (force_nonfallthru_and_redirect): Remove code for adding
7474         UNLIKELY_EXECUTED_CODE notes to cold bb's.
7475         (commit_one_edge_insertion): Likewise.
7476         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
7477         * dbxout.c (FORCE_TEXT): Replace function_section with
7478         current_function_section.
7479         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
7480         function, switch_text_section.
7481         (struct xcoff_debug): Likewise.
7482         (dbxout_function_end): Add code to put out label diffs for both
7483         hot and cold sections.
7484         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
7485         for new debug_hooks funciton, switch_text_section..
7486         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
7487         switch_text_section.
7488         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
7489         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
7490         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
7491         dw_fde_switched_sections.
7492         (output_call_frame_info):  Add test to see if function switches text
7493         sections in the middle; if so, use appropriate extra hot and cold
7494         section labels to compute size deltas for the hot and cold sections.
7495         (dwarf2out_begin_prologue): Add code to initialize new fields in
7496         dw_fde_struct.
7497         (dwarf2out_switch_text_section): New function (invoked through
7498         debug_hook); updates new fields in dw_fde_struct appropriately and
7499         increments separate_line_info_table_in_use.
7500         (dwarf2_debug_hooks): Initialize switch_text_section function to be
7501         dwarf2out_switch_text_section.
7502         (struct var_loc_node): Add new field, section_label.
7503         (output_aranges): Add code to check whether in hot or cold section and
7504         use the appropriate label in calculating deltas.
7505         (output_ranges): Likewise.
7506         (output_line_info): Add code to check which section we're in and
7507         use appropriate hot/cold label.
7508         (add_location_or_constant_value_attribute): Likewise.
7509         (gen_subprogam_die): Modify arange attributes to use correct labels.
7510         (dwarf2out_begin_block): Change call to function_section into call to
7511         current_function_section.
7512         (dwarf2out_end_block): Likewise.
7513         (dwarf2out_source_line): Likewise.
7514         (dwarf2out_var_location): Add code to check whether in hot or cold
7515         section and use the appropriate label.
7516         * except.c (output_function_exception_table): Change call to
7517         function_section into call to current_function_section.
7518         * final.c (profile_function): Likewise.
7519         (scan_ahead_for_unlikely_executed_note): Remove function.
7520         (final_scan_insn):  Remove calls to
7521         scan_ahead_for_unlikely_executed_note, and related code for switching
7522         to cold section, except for the single time
7523         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
7524         debug_hooks->switch_text_sections; replace appropriate calls to
7525         function_section with calls to current_function_section.
7526         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
7527         test_bb to condition.
7528         (find_if_case_2): Likewise.
7529         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
7530         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
7531         * opts.c (decode_options): Change warning about hot/cold partitioning
7532         with exceptionss to inform (so as not to cause bootstrap failures);
7533         remove warning about partitioning with DWARF debug info.
7534         * output.h (current_function_section): Add new function decl.
7535         (insert_section_boundary_note): Likewise.
7536         (enum in_section): Move this declaration here from varasm.c.
7537         (unlikely_section_label): Likewise.
7538         (unlikely_text_section_name): Likewise.
7539         (last_text_section_name): New global variable.
7540         (last_text_section): Likewise.
7541         (hot_section_label): Likewise.
7542         (hot_section_end_label): Likewise.
7543         (cold_section_end_label): Likewise.
7544         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
7545         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
7546         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
7547         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
7548         insn from consideration.
7549         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
7550         switch_text_section.
7551         * varasm.c (basic-block.h): Add new include.
7552         (unlikely_section_label_printed): Remove global variable.
7553         (unlikely_section_label): Make global variable not be static any more.
7554         (unlikely_text_section_name): Likewise.
7555         (hot_section_end_label): New global variable (not static)
7556         (first_function_block_is_cold): Likewise.
7557         (hot_section_label): Likewise.
7558         (cold_section_end_label): Likewise..
7559         (last_text_section): New global variable, not static.
7560         (last_text_section_name): New global variable, not static.
7561         (initialize_cold_section_name): New function.
7562         (enum in_section): Move declaration to output.h.
7563         (text_section): Update last_text_section.
7564         (unlikely_text_section): Replace code to determine cold section name
7565         with call to initialize_cold_section_name; Add code to update
7566         last_text_section; remove code for printing out label.
7567         (named_section_real): Add code to update last_text_section and
7568         last_text_section_name as appropriate.
7569         (function_section): Change test for 'unlikely' to depend on
7570         first_function_block_is_cold (moved old test to
7571         current_function_section).
7572         (current_function_section): New function.
7573         (assemble_start_function): Move code that frees
7574         unlikely_text_section_name; initialize hot_section_end_label;
7575         print hot and cold section labels at the start of the function;
7576         set first_function_block_is_cold, if appropriate; initialize l
7577         ast_text_section; add call to insert_section_boundary_note.
7578         (assemble_end_function):  Add code to write out hot and cold section
7579         end labels.
7580         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
7581         switch_text_section.
7582         * config/darwin.c (machopic_select_section): Replace incorrect
7583         function in base_funs; update reloc for cold sections if necessary.
7584         * config/darwin.h (SECTION_FUNCTION):  Add code to update
7585         last_text_section if appropriate.
7586         (text_unlikely_section): Remove.
7587         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
7588         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
7589         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
7590         partitioning for this architecture.
7591
7592 2005-03-31  Olivier Hainque  <hainque@adacore.com>
7593
7594         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
7595         defined and non-zero.
7596
7597 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
7598
7599         PR c++/18644
7600         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
7601         semantics.
7602
7603 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
7604
7605         PR target/20611
7606         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
7607         label operand.  Remove (use (unspec..)).  Don't emit a label on
7608         the offset word.
7609         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
7610         generate inline label for load_toc_v4_PIC_1b.
7611         (rs6000_emit_load_toc_table): Likewise.
7612
7613 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
7614
7615         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
7616         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
7617
7618 2005-03-29  Devang Patel  <dpatel@apple.com>
7619
7620         * tree-sra.c (decide_block_copy): Disable scalarization of
7621         sub-elements.
7622
7623 2005-03-30  Stuart Hastings  <stuart@apple.com>
7624             Dale Johannesen  <dalej@apple.com>
7625
7626         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
7627         * print-tree.c (print_node):  Add case STATEMENT_LIST.
7628
7629 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
7630
7631         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
7632         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
7633         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
7634         is given with "powerpc64*" or "all", or when --with-cpu chooses
7635         a 64-bit cpu.
7636
7637 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
7638
7639         PR debug/20268
7640         * dwarf2out.c (add_high_low_attributes): New function, extracted from
7641         gen_lexical_block_die.
7642         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
7643
7644 2005-03-31  Jan Hubicka  <jh@suse.cz>
7645
7646         2004-11-02  Jan Hubicka  <jh@suse.cz>
7647
7648         * cgraph.c (cgraph_varpool_node_name): New function.
7649         (dump_cgraph_varpool_node): New function.
7650         (dump_varpool): New function.
7651         * cgraphunit.c (cgraph_optimize): Dump varpool.
7652
7653         2004-10-16  Jan Hubicka  <jh@suse.cz>
7654
7655         * cgraph.c (decide_is_variable_needed): New function.
7656         (cgraph_varpool_finalize_decl): Use it.
7657         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
7658         unit-at-a-time.
7659         * final.c (output_addr_const): Do not call mark_referenced.
7660         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
7661         always go via cgraph.
7662         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
7663         (check_global_declarations): Ifdef out code clearing DECL_RTL.
7664         * tree-optimize.c (execute_inline): Mark functions called.
7665         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
7666
7667         2004-10-11  Jan Hubicka  <jh@suse.cz>
7668
7669         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
7670         (cgraph_varpool_last_needed_node): New static variable.
7671         (enqueue_needed_varpool_node): Break out from ...; add items to the
7672         end of queue; update first pointers.
7673         (cgraph_varpool_mark_needed_node): ... here.
7674         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
7675         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
7676         * cgraph.h (cgraph_varpool_node): Add analyzed field.
7677         (cgraph_varpool_first_unanalyzed_node): Declare.
7678         * cgraphunit.c: Include output.h.
7679         (cgraph_varpool_analyze_pending_decls): New function.
7680         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
7681         for errors, analyze pending decls.
7682         (cgraph_finalize_compilation_unit): Only analyze decls.
7683         (cgraph_optimize): Assemble the decls after expanding.
7684
7685 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
7686
7687         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
7688         subvars get marked properly in tags for grouping.
7689         (add_pointed_to_var): Mark only actual pointed to
7690         variables/subvars in addresses needed.
7691         (create_overlap_variables_for): Clear call clobbered on original
7692         variable.
7693         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
7694         addresable vars with subvars into list.
7695         * tree-ssa.c (verify_ssa_name): Verify original is not used where
7696         subvar should be.
7697
7698 2005-03-30  Richard Henderson  <rth@redhat.com>
7699
7700         * cgraph.h (struct cgraph_node): Add alias.
7701         * varasm.c (assemble_alias): Set it.
7702         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
7703         avoid calling cgraph_expand_function.
7704
7705 2005-03-30  Tom Tromey  <tromey@redhat.com>
7706
7707         * tree.def (FILE_TYPE): Removed.
7708         * typeclass.h (enum type_class): Removed file_type_class.
7709         * dwarf2out.c (is_base_type): Updated.
7710         (gen_type_die): Likewise.
7711         * dbxout.c (dbxout_type): Updated.
7712         * builtins.c (type_to_class): Updated.
7713         * tree.c (type_contains_placeholder_1): Updated.
7714         * config/sparc/sparc.c (sparc_type_code): Updated.
7715         * config/ia64/ia64.c (hfa_element_mode): Updated.
7716         * expr.c (count_type_elements): Updated.
7717         * stor-layout.c (layout_type): Updated.
7718         * tree-inline.c (remap_type): Updated.
7719         * tree-pretty-print.c (dump_generic_node): Updated.
7720
7721 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
7722
7723         * builtins.c (expand_builtin_powi): Fix mode of
7724         2nd argument to match int.
7725         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
7726         2nd argument type to int.
7727         * libgcc2.c: Change prototype of __powi* functions to use
7728         int.
7729
7730 2005-03-30  Dale Johannesen  <dalej@apple.com>
7731
7732         PR middle-end/19225
7733         * calls.c (expand_call):  Flush pending deferrals before
7734         throwing call.
7735
7736 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
7737
7738         PR c/772
7739         PR c/17913
7740         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
7741         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
7742         c_label_context, label_context_stack): New.
7743         * c-decl.c (define_label): Check for jumps into statement
7744         expressions.  Add label to list of defined labels.
7745         (start_function): Push context on label_context_stack.
7746         (finish_function): Pop context from label_context_stack.
7747         * c-typeck.c (label_context_stack): New.
7748         (c_finish_goto_label): Check for jumps into statement
7749         expressions.  Add label to list of jumped to labels.
7750         (struct c_switch): Add blocked_stmt_expr.
7751         (c_start_case): Initialize it.
7752         (do_case): Check it.
7753         (c_finish_case): Verify !blocked_stmt_expr.
7754         (c_begin_stmt_expr):  Push context on label_context_stack.
7755         Increment blocked_stmt_expr.  Mark labels jumped to from outside
7756         as undefinable.
7757         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
7758         defined in the statement expression and no longer jumpable to.
7759         Mark labels jumped to from just outside the statement expression
7760         as again definable.  Pop context from label_context_stack.
7761         * doc/extend.texi (Statement Exprs): Update.
7762
7763 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
7764
7765         PR c/20368
7766         * c-decl.c (start_function): Check for old_decl being
7767         error_mark_node.
7768
7769 2005-03-30  Ian Lance Taylor  <ian@airs.com>
7770
7771         * final.c (final): Remove prescan parameter.  Change all callers.
7772         (final_scan_insn): Remove prescan parameter.  Change all callers.
7773
7774 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
7775
7776         * tree-vectorizer.c: Fix comment typos.
7777
7778 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
7779
7780         * tree-scalar-evolution.c (instantiate_parameters_1): Return
7781         as soon as a chrec_dont_know is detected.
7782
7783 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
7784
7785         Merge from csl-arm-branch.
7786         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
7787
7788         * tlink.c (recompile_files): Do not assume that "rename" can
7789         overwrite an existing file.
7790
7791 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
7792
7793         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
7794         * gcc/configure: Regenerate.
7795
7796 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
7797
7798         * doc/install.texi: Update binutils requirement for powerpc*-linux.
7799
7800         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
7801
7802         * calls.c (struct arg_data): Update "partial" comment.
7803         (load_register_parameters): Update "nregs" comment.
7804
7805 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7806
7807         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
7808         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
7809         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
7810         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
7811         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
7812         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
7813         than target_flags & 0.
7814         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
7815         (iq2000_arch, iq2000_parse_cpu): Delete.
7816         (TARGET_HANDLE_OPTION): Override default.
7817         (iq2000_handle_option): New function.
7818         (override_options): Remove -march= and -mcpu= handling.
7819         * config/iq2000/iq2000.opt: New file.
7820
7821 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7822
7823         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
7824         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
7825         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
7826         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
7827         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
7828         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
7829         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
7830         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
7831         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
7832         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
7833         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
7834         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
7835         (c4x_rpts_cycles_string, c4x_cpu_version_string)
7836         (TARGET_OPTIONS): Delete.
7837         (c4x_rpts_cycles, c4x_cpu_version): Declare.
7838         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
7839         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
7840         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
7841         (c4x_cpu_version_string): Delete.
7842         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7843         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
7844         equivalent -mcpu= option.
7845         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
7846         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
7847         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
7848         or clearing the appropriate MASK_* bit.
7849         (c4x_file_start): Use c4x_cpu_version.
7850         * config/c4x/c4x.opt: New file.
7851
7852 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7853
7854         * doc/options.texi: Document the new MaskExists flag.
7855         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
7856         if the option has the MaskExists flag.
7857
7858 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7859
7860         * opt-functions.awk (flag_set_p, test_flag): New functions.
7861         (switch_flags): Use them.
7862         * opth-gen.awk: Use flag_set_p to check for flags.
7863         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
7864
7865 2005-03-30  Ian Lance Taylor  <ian@airs.com>
7866
7867         * config.host (i[34567]86-*-mingw32*): Don't set
7868         host_can_use_collect2 to no.
7869
7870 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
7871
7872         PR target/20203
7873         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
7874         Remove convert_memory_address call duplicating that in memory_address.
7875
7876 2005-03-29  Richard Henderson  <rth@redhat.com>
7877
7878         PR c/20519
7879         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
7880         (build_compound_literal): Likewise.  Propagate decl type into the
7881         initializer.
7882         (finish_decl): Likewise.  Use new return value from complete_array_type
7883         for zero sized arrays.
7884         (complete_array_type): Move ...
7885         * c-common.c (complete_array_type): ... here.  Change first argument
7886         to pointer-to-type-node.  Consistently use sizetype for the index
7887         except for zero sized arrays.  Detect zero sized arrays for pedantic
7888         mode diagnostics.  Create a new type node instead of modifying the
7889         old node in place.
7890         * c-tree.h (complete_array_type): Move decl ...
7891         * c-common.h (complete_array_type): ... here.
7892
7893 2005-03-29  Richard Henderson  <rth@redhat.com>
7894
7895         PR tree-opt/19108
7896         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
7897
7898 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
7899
7900         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
7901         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
7902         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
7903         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
7904
7905 2005-03-29  Eric Christopher  <echristo@redhat.com>
7906
7907         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
7908         truthvalue conversion removal.
7909
7910 2005-03-29  Ian Lance Taylor  <ian@airs.com>
7911
7912         PR bootstrap/14316
7913         * collect2.c: Never include <vfork.h>.
7914         (VFORK_STRING, vfork): Don't define.
7915         (pid): Remove global variable.
7916         (handler): Call raise instead of kill (getpid(), ...).
7917         (collect_wait): Add pex parameter.  Change all callers.  Use
7918         pex_get_status rather than pwait.
7919         (do_wait): Add pex parameter.  Change all callers.
7920         (collect_execute): Return struct pex_obj * rather than void.  Use
7921         pex routines rather than pexecute.
7922         (fork_execute): Get pex_obj from collect_execute, and pass it to
7923         do_wait.
7924         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
7925         Only declare quit_handler if SIGQUIT is defined.
7926         (scan_libraries): Likewise.
7927         * collect2.h (collect_execute): Update declaration.
7928         (collect_wait): Update declaration.
7929         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
7930         pass it to collect_wait.
7931
7932 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
7933
7934         PR c/20672
7935         * c-parser.c (c_parser_compound_statement_nostart): Give error
7936         message for EOF instead of just setting parser->error.
7937
7938 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
7939
7940         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
7941         (slpeel_update_phi_nodes_for_guard1): New function.
7942         (slpeel_update_phi_nodes_for_guard2): New function.
7943         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
7944         of slpeel_update_phi_nodes_for_guard.
7945         (vectorize_loops): Remove call to loop_closed_rewrite.
7946         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
7947         assertion.
7948
7949 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
7950
7951         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
7952         (TARGET_LITTLE_ENDIAN): New macro.
7953         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
7954         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
7955         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
7956         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
7957         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
7958         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
7959         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
7960         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
7961         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
7962         (TARGET_OPTIONS): Delete.
7963         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
7964         (CACHE_FLUSH_TRAP): Turn into an integer.
7965         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
7966         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
7967         -mflush-trap is in use.
7968         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
7969         (m32r_cache_flush_trap_string): Delete.
7970         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
7971         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
7972         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
7973         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7974         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
7975         -mmodel= and -msdata= handling from...
7976         (m32r_init): ...here.
7977         * config/m32r/m32r.opt: New file.
7978
7979 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
7980
7981         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
7982         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
7983         * tree-vect-analyze.c (vect_object_analysis): additional parm
7984         pass back a "struct ptr_info_def *" with the points-to info.
7985         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
7986         statement using info returned from vect_object_analysis.
7987         * tree-vect-transform.c (update_vuses_to_preheader): New function.
7988         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
7989         for virtual uses and defs when creating a replacement vector
7990         reference.  Call duplicate_ssa_name_ptr_info to define points-to
7991         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
7992         (vectorizable_store): copy_virtual_operands and update
7993         definition statements.
7994         (vectorizable_load): copy_virtual_operands.  Remove call to
7995         mark_call_clobbered_vars_to_rename for call to "const" builtin.
7996         * tree-vectorizer.c (vectorize_loops): Remove calls to
7997         rewrite_into_ssa and bitmap_clear (vars_to_rename).
7998         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
7999         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
8000         define macro STMT_VINFO_PTR_INFO for use in accessing.
8001         * tree.h add export of duplicate_ssa_name_ptr_info.
8002         * rs6000.c (altivec_init_builtins): Declare builtin function
8003         __builtin_altivec_mask_for_load to be "const".
8004
8005 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
8006
8007         PR middle-end/20622
8008         * cgraph.h (struct cgraph_varpool_node): Add alias field.
8009         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
8010         assemble_variable on aliases.
8011         * varasm.c (assemble_alias): Set node->alias.
8012         * toplev.c (wrapup_global_declarations): Don't call
8013         rest_of_decl_compilation on aliases again.
8014
8015 2005-03-29  Paul Brook  <paul@codesourcery.com>
8016
8017         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
8018         * config/arm/arm.c (arm_dbx_register_number): New function.
8019         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
8020
8021 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
8022
8023         PR middle-end/20263
8024         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
8025         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
8026
8027 2005-03-29  Dale Johannesen <dalej@apple.com>
8028
8029         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
8030         $(TREE_H) and $(COVERAGE_H).
8031         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
8032         * opts.c (common_handle_option): Enable tree-based value transforms.
8033         * toplev.c (process_options): Ditto.
8034         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
8035         refers to references to this type.
8036         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
8037         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
8038         for may_be_more, may_be_less.
8039         (rtl_gen_pow2_profiler): Adjust.
8040         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
8041         (rtl_gen_one_value_profiler): Adjust.
8042         (rtl_gen_const_delta_profiler): Adjust.
8043         * tree-profile.c (tree_gen_interval_profiler): Implement.
8044         (tree_gen_pow2_profiler): Ditto.
8045         (tree_gen_one_value_profiler): Ditto.
8046         (tree_profiling): New.
8047         (pass_tree_profile): Reference it.
8048         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
8049         tree.h, gcov-io.h.
8050         (insn_divmod_values_to_profile): Rename to
8051         rtl_divmod_values_to_profile. Adjust.
8052         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
8053         (insn_prefetch_values_to_profile): Adjust.
8054         (rtl_value_profile_transformations): Adjust.
8055         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
8056         (gen_mod_pow2): Rename to rtl_mod_pow2.
8057         (gen_mod_subtract): Rename to rtl_mod_subtract.
8058         (divmod_fixed_value_transform): Rename to
8059         rtl_divmod_fixed_value_transform.
8060         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
8061         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
8062         (rtl_find_values_to_profile): Adjust.
8063         (tree_value_profile_transformations): Implement.
8064         (tree_divmod_values_to_profile): New.
8065         (tree_values_to_profile): New.
8066         (tree_divmod_fixed_value): New.
8067         (tree_mod_pow2): New.
8068         (tree_mod_subtract): New.
8069         (tree_divmod_fixed_value_transform): New.
8070         (tree_mod_pow2_value_transform): New.
8071         (tree_mod_subtract_transform): New.
8072         (tree_find_values_to_profile): Implement.
8073         * profile.c (instrument_values):  Free histograms.
8074         (compute_value_histograms): Adjust. Implement tree version.
8075
8076 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
8077
8078         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
8079         * config/i386/i386.c (output_fix_trunc): Add new round_mode
8080         variable.  Output "fldcw" depending on round_mode.
8081         * config/i386/i386.md (UNSPEC_FIST): New.
8082         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
8083         New isns patterns to implement lrint and llrint built-ins as x87
8084         intrinsic function.
8085         (fistdi2, fist<mode>2 splitters): New splitters.
8086         (lrint<mode>2): New expanders.
8087
8088 2005-03-28  Ian Lance Taylor  <ian@airs.com>
8089
8090         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
8091         0 when calling final_scan_insn.
8092
8093 2005-03-28  Jan Hubicka  <jh@suse.cz>
8094
8095         PR middle-end/20635
8096         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
8097         as needed.
8098
8099         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
8100         types where possible.
8101
8102 2005-03-26  Per Bothner  <per@bothner.com>
8103
8104         Make -f[no-]show-column also control non-cpp diagnostics.
8105         * c.opt (fshow-column): Move option from here ...
8106         * common.opt (fshow-column): ... to here.
8107         * diagnostic.c (diagnostic_build_prefix): Only print column number
8108         if flag_show_column.
8109
8110 2005-03-27  Steven Bosscher  <stevenb@suse.de>
8111
8112         * vax-protos.h (vax_output_int_move, vax_output_int_add,
8113         vax_output_conditional_branch): New prototypes.
8114         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
8115         extracted from vax.md mov and add patterns.
8116         (vax_output_conditional_branch): New function to output conditional
8117         branch instructions.
8118         * vax.md: Use mode macros for arithmetic and mov patterns.
8119         Use code macros for the jump patterns.
8120
8121 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
8122
8123         * Makefile.in (libbackend.o): Depend on version files;
8124         add custom generation command.
8125
8126 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
8127
8128         PR target/20636
8129         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
8130         sure that we have a REG before getting its REGNO.
8131
8132 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8133
8134         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
8135         * builtins.def (BUILT_IN_STRNDUP): New.
8136
8137 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
8138
8139         PR tree-optimization/20470
8140         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
8141         ABS(x-y).
8142
8143 2005-03-25  Mike Stump  <mrs@apple.com>
8144
8145         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
8146         sized objects.
8147
8148 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
8149
8150         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
8151         Use our own structure definitions.
8152
8153         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
8154         (fix_truncdfsi2): Allow registers or memory as destination.
8155         When TARGET_PPC_GFXOPT, generate simplified pattern.
8156         (fix_truncdfsi2_internal): Use define_insn_and_split.
8157         (fix_truncdfsi2_internal_gfxopt): New.
8158         (fctiwz): Don't confuse register allocation by giving it no choices.
8159         (stfiwx): New.
8160         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
8161         (EXTRA_MEMORY_CONSTRAINT): Likewise.
8162         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
8163         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
8164
8165 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
8166
8167         * dominance.c (free_dominance_info): Speed up by freeing et
8168         data structures without maintaining other nodes.
8169         * et-forest.c (et_free_tree_force): New.
8170         * et-forest.h: Add a prototype for et_free_tree_force.
8171
8172         * tree.c (get_set_constructor_bits,
8173         get_set_constructor_bytes): Remove.
8174         * tree.h: Remove the corresponding prototypes.
8175
8176 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
8177
8178         PR target/15491
8179         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
8180         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
8181         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
8182         PRE_DEC, NEG and NOT.
8183
8184 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
8185
8186         * fold-const.c: Convert uses of fold (build (...)) to
8187         fold_buildN.
8188
8189 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
8190
8191         PR rtl-optimization/20249
8192         * cse.c (insert_regs): Do not record equivalence of registers in
8193         different modes.
8194
8195 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
8196
8197         * emit-rtl.c (reverse_comparison): Remove.
8198         * rtl.h: Remove the corresponding prototype.
8199
8200 2005-03-24  James E Wilson  <wilson@specifixinc.com>
8201
8202         * doc/install.texi (--enable-altivec): Delete docs.
8203
8204 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
8205
8206         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
8207         SFmode and DFmode before reload when
8208         flag_unsafe_math_optimizations not enabled.
8209
8210 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
8211
8212         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
8213
8214         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
8215         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
8216
8217 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
8218
8219         * configure.ac (enable-checking): Add 'runtime' option.
8220         * doc/install.texi (enable-checking): Document 'runtime' checking.
8221         * tsystem.h (gcc_assert, gcc_unreachable): Define.
8222         * config.in: Regenerated.
8223         * configure: Regenerated.
8224
8225 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
8226
8227         * optabs.h (enum optab_index): Remove OTI_llrint.
8228         (llrint_optab): Remove macro.
8229         * optabs.c (init_optabs): Remove llrint_optab initialization.
8230         * genopinit.c (optabs): Remove llrint_optab implementation.
8231         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
8232         using lrint_optab.
8233
8234 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
8235
8236         PR rtl-optimization/20532
8237         * simplify-rtx.c (simplify_binary_operation_1): Protect from
8238         overflow when adding coefficients for PLUS or MINUS.
8239         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
8240         two as multiplier.
8241
8242 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
8243
8244         * langhooks.h (truthvalue_conversion): Remove.
8245         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
8246         LANG_HOOKS_TRUTHVALUE_CONVERSION.
8247         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
8248         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
8249         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
8250
8251 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
8252
8253         * params.def: Fix a typo.
8254         * config/mips/mips.c: Follow the spelling convensions.
8255         * doc/invoke.texi: Fix typos.
8256
8257 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
8258
8259         Fix PR tree-optimization/20601
8260
8261         * tree-ssa-pre.c (insert_aux): Add missing condition to
8262         constification.
8263
8264 2005-03-23  Ian Lance Taylor  <ian@airs.com>
8265
8266         * final.c (final_scan_insn): Don't remove no-op instructions.
8267         * reload1.c (reload): Remove simple no-op instructions even when
8268         not optimizing.
8269
8270 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
8271
8272         PR tree-optimization/20501
8273         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
8274         reporting that peeling for alignment is applied moved to...
8275         * (vect_analyze_data_refs_alignment): Here.
8276
8277 2005-03-23  Ian Lance Taylor  <ian@airs.com>
8278
8279         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
8280
8281 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8282
8283         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
8284         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
8285
8286 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
8287
8288         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
8289         imply that this is called once, independent of asms in code.
8290         Adjust to now being pased output and input lists.  Mention helper
8291         function decl_overlaps_hard_reg_set_p.
8292         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
8293         hook_tree_tree_identity and to take three trees, returning third.
8294         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
8295         prototype.
8296         * stmt.c: include hard-reg-set.h before tree.h.
8297         (decl_overlaps_hard_reg_set_p): New function, broken out from...
8298         (decl_conflicts_with_clobbers_p): Call
8299         decl_overlaps_hard_reg_set_p.
8300         (expand_asm_operands): Pass output and input lists in call to
8301         targetm.md_asm_clobbers.
8302         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
8303         hook_tree_tree_tree_tree_3rd_identity.
8304         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
8305         parameters.
8306         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
8307         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
8308         parameters, first two unused.
8309         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
8310         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
8311         in constraint letters and MOF is not mentioned as a asm-declared
8312         register in neither of the input and output lists.
8313
8314 2005-03-23  DJ Delorie  <dj@redhat.com>
8315
8316         * optabs.c (expand_binop): Make sure the first subword's result
8317         gets stored.
8318
8319 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
8320
8321         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
8322         Call c_common_truthvalue_conversion rather than
8323         lang_hooks.truthvalue_conversion.
8324         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
8325         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
8326         c-typeck.c.
8327         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
8328         c_common_truthvalue_conversion.
8329         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
8330         c_parser_conditional_expression, c_parser_binary_expression): Call
8331         c_objc_common_truthvalue_conversion.
8332         * c-typeck.c (build_unary_op): Call
8333         c_objc_common_truthvalue_conversion.
8334         (build_conditional_expr): Do not call
8335         lang_hooks.truthvalue_conversion.
8336         (build_binary_op): Call c_common_truthvalue_conversion.
8337         (c_objc_common_truthvalue_conversion): Moved from
8338         c-objc-common.c.  Call default_function_array_conversion instead
8339         of default_conversion.
8340
8341 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
8342
8343         * c-common.h (default_conversion): Remove.
8344         (perform_integral_promotions): Add.
8345         * c-tree.h (default_conversion): Add.
8346         * c-typeck.c (perform_integral_promotions): New, split out from
8347         default_conversion.
8348         * c-common.c (check_case_value): Use perform_integral_promotions,
8349         not default_conversion.
8350         (c_add_case_label): Don't continue processing case label after
8351         found to be pointer.
8352
8353 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
8354
8355         * gcc.c (do_spec_1): Do not add a -L path for a directory in
8356         the prefix list if we have already added a multilib directory
8357         based on that path.
8358         (main): Do not add MD_EXEC_PREFIX to the list of directories to
8359         search with -L.
8360
8361 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
8362
8363         * reload1.c (indirect_symref_ok, reload_obstack): Make them
8364         static.
8365         * reload.h: Remove the prototype for indirect_symref_ok.
8366
8367         * reload1.c (indirect_symref_ok): Make it global.
8368         * reload.h: Add a prototype for indirect_symref_ok.
8369
8370 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
8371
8372         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
8373         ashlhi3 expander.
8374
8375 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
8376
8377         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
8378
8379 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
8380
8381         * c-opts.c (c_common_parse_file): Only start/end main source file
8382         if debug hooks says the writer wants it.
8383         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
8384         member.
8385         (xcoff_debug_hooks): Ditto.
8386         * debug.c (do_nothing_hooks): Ditto.
8387         * debug.h (gcc_debug_hooks): Ditto.
8388         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
8389         * sdbout.c (sdb_debug_hooks): Ditto.
8390         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
8391
8392 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
8393
8394         * doc/extend.texi: Deprecate C++ min/max operators.
8395
8396 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
8397
8398         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
8399         artificial original candidates.
8400
8401 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
8402             Jan Hubicka  <jh@suse.cz>
8403             Steven Bosscher <stevenb@suse.de>
8404
8405         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
8406         call cost based on argument sizes.
8407         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
8408         inlining.
8409         * params.def: (max-inline-inssn-single): Set to 450.
8410         (max-inline-insns-auto): Set to 90.
8411         (max-inline-insns-recursive): Set to 450
8412         (max-inline-insns-recursive-auto): Set to 450.
8413         (large-function-insns): Set to 2700.
8414         (inline-call-cost): New parameter.
8415         * tree-inline.c (estimate_move_cost): New function.
8416         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
8417         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
8418         based on arguments.
8419         * tree-inline.h (estimate_move_cost): Declare.
8420         * invoke.texi: (max-inline-inssn-single): Change default to 450.
8421         (max-inline-insns-auto): Change default to 90.
8422         (max-inline-insns-recursive): Change default to 450
8423         (max-inline-insns-recursive-auto): Change default to 450.
8424         (large-function-insns): Change default to 2700.
8425         (inline-call-cost): Document new parameter.
8426
8427 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
8428
8429         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
8430         (TARGET_DEFAULT): Delete.
8431         * config/i860/i860.opt: New file.
8432
8433 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
8434
8435         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
8436         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
8437         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
8438         (frv_sched_lookahead): Delete.
8439         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
8440         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
8441         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
8442         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
8443         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
8444         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
8445         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
8446         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
8447         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
8448         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
8449         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
8450         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
8451         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
8452         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
8453         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
8454         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
8455         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
8456         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
8457         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
8458         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
8459         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
8460         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
8461         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
8462         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
8463         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
8464         (frv_sched_lookahead): Delete.
8465         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
8466         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8467         (frv_handle_option): New function.  Move -mcpu= handling from...
8468         (frv_override_options): ...here.  Remove handling of other
8469         TARGET_OPTIONS.
8470         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
8471         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
8472         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
8473         and TARGET_NO_MULTI_CE.
8474         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
8475         !TARGET_VLIW_BRANCH.
8476         * config/frv/frv.opt: New file.
8477
8478 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
8479
8480         * fold-const.c (fold_ternary): Take decomposed arguments of
8481         CALL_EXPR.
8482         (fold): Update a call to fold_ternary.
8483
8484         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
8485         * tree.h: Add corresponding prototypes.
8486
8487 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
8488
8489         PR target/20561
8490         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
8491         between jump table and its label.
8492         * final.c (shorten_branches): Handle notes in between ADDR_VEC
8493         resp. ADDR_DIFF_VEC and the label preceeding it.
8494         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
8495         is emitted in the right section.
8496
8497 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
8498
8499         * fold-const.c (fold_unary, fold_binary): Update comments
8500         about arguments.
8501
8502 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
8503
8504         PR rtl-optimization/20527
8505         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
8506         REG_INC note, test that the register also isn't mentioned in PRED
8507         or SUCC.
8508
8509 2005-03-22  Ben Elliston  <bje@au.ibm.com>
8510
8511         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
8512         and definition.
8513
8514 2005-03-21  Mike Stump  <mrs@apple.com>
8515
8516         * varasm.c (default_assemble_visibility): Remove extra ().
8517
8518 2005-03-21  Roger Sayle  <roger@eyesopen.com>
8519
8520         PR middle-end/20557
8521         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
8522         to determine whether a block can be duplicated, rather than test
8523         whether the block contains noncopyable insns ourselves.
8524
8525 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8526
8527         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
8528         predicates.
8529
8530 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
8531
8532         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
8533
8534 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
8535
8536         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
8537         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
8538         * config/fr30/fr30.opt: New file.
8539
8540 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
8541
8542         Fix PR tree-optimization/20542
8543
8544         * tree-flow-inline.h (overlap_subvar): Move to here.
8545         * tree-ssa-operands.c: From here.
8546         * tree-flow.h (overlap_subvar): Declare.
8547         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
8548         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
8549         for variables with subvars.
8550
8551 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
8552
8553         PR middle-end/20177
8554         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
8555         * modulo-sched.c (const_iteration_count): Return on NULL
8556         pre-header.
8557         (print_node_sched_params): Return on NULL dump_file.
8558         (generate_reg_moves): Handle reg-anti dependencies and disregard
8559         closing branch when generating register moves.
8560         (sms_schedule): Mark the SMSed block dirty.
8561         * passes.c (rest_of_handle_sms): Call update_life_info for all
8562         basic-blocks.
8563         * testsuite/gcc.dg/20050321-1.c: New test.
8564
8565 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
8566
8567         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
8568         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
8569         movqi_internal): Likewise.
8570
8571 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
8572
8573         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
8574         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
8575         xtensa_b4const): Delete prototypes.
8576         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
8577         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
8578         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
8579         xtensa_extra_constraint): New prototypes.
8580         (add_operand, arith_operand, nonimmed_operand, mem_operand,
8581         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
8582         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
8583         move_operand, const_float_1_operand, fpmem_offset_operand,
8584         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
8585         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
8586         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
8587         argument type to HOST_WIDE_INT.
8588         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
8589         xtensa_mask_immediate): Likewise.
8590         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
8591         Likewise.  Also make these functions static.
8592         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
8593         (xtensa_const_ok_for_letter_p): New.
8594         (add_operand, arith_operand, nonimmed_operand, mem_operand,
8595         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
8596         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
8597         move_operand, const_float_1_operand, fpmem_offset_operand,
8598         branch_operator, ubranch_operator, boolean_operator): Move to
8599         predicates.md.
8600         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
8601         (xtensa_mem_offset): Change return type to bool.
8602         (xtensa_extra_constraint): New.
8603         (gen_int_relational): Update type of const_range_p function pointer.
8604         Use xtensa_b4const_or_zero.
8605         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
8606         xtensa_const_ok_for_letter_p.  Update comments.
8607         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
8608         (PREDICATE_CODES): Delete.
8609         * config/xtensa/xtensa.md: Include predicates.md.
8610         * config/xtensa/predicates.md: New file.
8611
8612 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8613
8614         * config/v850/v850-protos.h: Remove the prototypes for
8615         reg_or_int9_operand, reg_or_const_operand,
8616         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
8617         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
8618         movsi_source_operand, power_of_two_operand,
8619         not_power_of_two_operand, special_symbolref_operand,
8620         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
8621         register_is_ok_for_epilogue.
8622         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
8623         reg_or_int9_operand, reg_or_const_operand,
8624         call_address_operand, special_symbolref_operand,
8625         movsi_source_operand, power_of_two_operand,
8626         not_power_of_two_operand, register_is_ok_for_epilogue,
8627         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
8628         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
8629         predicates.md.
8630         * config/v850/v850.h (PREDICATE_CODES): Remove.
8631         * config/v850/v850.md: Include predicates.md.
8632         * config/v850/predicates.md: New.
8633
8634 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
8635
8636         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
8637         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
8638         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
8639         (itoolsdir, itoolsdatadir): Move definition above new first use.
8640         (install-itoolsdirs): New rule.
8641         (install-mkheaders): Depend on install-itoolsdirs, not
8642         install-include-dir.
8643
8644 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8645
8646         * tree-into-ssa.c: Remove obsolete comments.
8647
8648 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
8649
8650         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
8651         unrolling if -fpeel-loops is specified, too.
8652         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
8653         Remove superfluous check for flag_unroll_loops.
8654
8655 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
8656
8657         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
8658         (lrint_optab, llrint_optab): Define corresponding macros.
8659         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
8660         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
8661         pattern and llrint_optab using llrintdi2 patterns.
8662         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
8663         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
8664         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
8665         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
8666         flag_unsafe_math_optimizations is set.
8667
8668 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
8669
8670         * combine.c (combine_simplify_rtx, simplify_if_then_else,
8671         simplify_logical, if_then_else_cond, known_cond,
8672         simplify_comparison): Adjust calls to reverse_comparison.
8673         Don't use combine_reversed_comparison_code).
8674         (combine_reversed_comparison_code): Remove.
8675         (reversed_comparison): Using reversed_comparison_code, move it...
8676         * jump.c (reversed_comparison): ... here.
8677         * rtl.h (reversed_comparison): Add prototype.
8678
8679 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8680
8681         * builtins.c (fold_builtin): Take decomposed arguments of
8682         CALL_EXPR.
8683         * fold-const.c (fold_ternary): Update a call to fold_builtin.
8684         * gimplify.c (gimplify_call_expr): Likewise.
8685         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
8686         * tree.h: Update the prototype of fold_builtin.
8687
8688 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
8689
8690         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
8691         * rtlhooks.c (gen_lowpart_no_emit_general): New.
8692         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
8693         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
8694         * simplify-rtx.c (simplify_binary_operation_1): Use it.
8695
8696 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8697
8698         * builtins.c (fold_builtin_1): Take decomposed arguments of
8699         CALL_EXPR.
8700         (fold_builtin): Update a call to fold_builtin_1.
8701
8702 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
8703
8704         PR other/20564
8705         * gcov.c (output_lines): Only output function block summary when
8706         outputting branch information.
8707         * doc/gcov.texi: Document format of preamble and additional block
8708         information lines.
8709
8710 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
8711
8712         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
8713         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
8714         the defaults false if BITS_PER_UNIT != 8.
8715         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
8716         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
8717         than BITS_PER_UNIT != 8.
8718         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
8719         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
8720         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
8721         #undefs.
8722         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
8723         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
8724
8725 2005-03-20  Roger Sayle  <roger@eyesopen.com>
8726
8727         PR middle-end/20539
8728         * fold-const.c (fold_binary): Fix type mismatch between
8729         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
8730         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
8731         for non-truth-valued expressions.
8732
8733         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
8734         and FUNCTION_DECL in the main switch.
8735         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
8736         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
8737         we also need to convert their operands to match.
8738         <TRUTH_NOT_EXPR>: Likewise.
8739
8740 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
8741
8742         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
8743         diagnostic without checking whether an lvalue.
8744         * c-common.h (lvalue_p): Remove.
8745         (enum lvalue_use): Update comment.
8746         (lvalue_or_else): Replace by lvalue_error.
8747         * c-typeck.c (lvalue_p): Make static.
8748         (lvalue_or_else): New.  Call lvalue_error.
8749
8750 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
8751
8752         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
8753         (function_arg_advance): Use rs6000_parm_start.
8754         (function_arg, rs6000_arg_partial_bytes): Likewise.
8755
8756 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
8757
8758         * c-common.c (check_case_value): Adjust comment about stripping
8759         NOPs.
8760         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
8761         * c-typeck.c (default_conversion, convert_arguments,
8762         build_modify_expr, convert_for_assignment, store_init_value,
8763         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
8764         manually.  Remove inaccurate comments.
8765
8766 2005-03-20  Roger Sayle  <roger@eyesopen.com>
8767             Joseph S. Myers  <joseph@codesourcery.com>
8768
8769         * varasm.c (do_assemble_alias): Restore comment describing function.
8770         Annotate the target parameter as potentially unused.
8771
8772 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
8773
8774         PR target/18551
8775         * config/avr/avr.c (avr_output_function_prologue): Do not use
8776         current_function_name() in a label, use a local label instead.
8777
8778 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
8779
8780         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
8781         flag_finite_math_only, not flag_unsafe_math_optimizations.
8782
8783 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
8784
8785         * builtins.c (fold_builtin_1): Update a call to
8786         targetm.fold_builtin.
8787         * hooks.c (hook_tree_tree_bool_null): Rename to
8788         hook_tree_tree_tree_bool_null.  Take one more argument of type
8789         tree.
8790         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
8791         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
8792         hook_tree_tree_tree_bool_null.
8793         * target.h (gcc_target): Update the prototype of fold_builtin.
8794         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
8795         arguments of CALL_EXPR.
8796         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
8797         new prototype.
8798
8799 2005-03-20  Jan Hubicka  <jh@suse.cz>
8800
8801         * cgraph.h (cgraph_node): Add prev_clone pointer.
8802         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
8803         (cgraph_clone_node): Produce doubly linked chain.
8804
8805 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
8806
8807         * c-common.c (handle_aligned_attribute, check_function_sentinel,
8808         get_nonnull_operand, handle_sentinel_attribute,
8809         check_function_arguments_recurse): Do not strip NOPS from
8810         INTEGER_CSTs.
8811         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
8812         Likewise.
8813         * c-format.c (get_constant): Likewise.
8814         * c-parser.c (c_parser_postfix_expression): Likewise.
8815         * c-typeck.c (set_init_index): Likewise.
8816         (convert_arguments): Don't check for NOP_EXPR containing integer
8817         constant.
8818
8819 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
8820
8821         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
8822         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
8823         Take decomposed arguments of CALL_EXPR.
8824         (fold_builtin_1): Update calls to the functions mentioned
8825         above.
8826
8827 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
8828
8829         * c-decl.c (check_bitfield_type_and_width): Require bit-field
8830         width to have integer type.
8831         (build_enumerator): Require enumerator value to have integer type.
8832
8833 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
8834
8835         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
8836         to __builtin_inff.
8837
8838 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
8839
8840         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
8841         std=iso9899:199x): Correct descriptions.
8842
8843 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
8844
8845         * config.gcc: Consistently use solaris2.1[0-9]* instead of
8846         solaris2.1[0-9].
8847
8848 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
8849
8850         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
8851         of CALL_EXPR.
8852         (expand_builtin_memcpy, fold_builtin_1): Update calls to
8853         fold_builtin_memcpy.
8854
8855         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
8856         arguments of CALL_EXPR.
8857         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
8858         fold_builtin_found, fold_builtin_1): Update calls to
8859         fold_trunc_transparent_mathfn.
8860
8861 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8862
8863         PR middle-end/20493
8864         * fold-const.c (fold_widened_comparison): Don't optimize casts of
8865         function pointers on targets that require function pointer
8866         canonicalization.
8867         (fold_sign_changed_comparison): Likewise.
8868
8869 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
8870
8871         * combine.c (try_combine): When changing the mode of a hard reg, make
8872         sure that doing so is valid.
8873
8874 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
8875
8876         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
8877         (TARGET_HANDLE_OPTION): Override default.
8878         (avr_handle_option): New function.
8879         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
8880         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
8881         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
8882         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
8883         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
8884         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
8885         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
8886         (TARGET_OPTIONS): Delete.
8887         * config/avr/avr.opt: New file.
8888
8889 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8890
8891         * config/m32r/m32r-protos.h: Remove the prototypes for
8892         call_address_operand, symbolic_operand, seth_add3_operand,
8893         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
8894         reg_or_uint16_operand, reg_or_cmp_int16_operand,
8895         two_insn_const_operand, move_src_operand,
8896         move_double_src_operand, move_dest_operand,
8897         eqne_comparison_operator, signed_comparison_operator,
8898         large_insn_p, conditional_move_operand, carry_compare_operand,
8899         m32r_block_immediate_operand, extend_operand,
8900         reg_or_eq_int16_operand, int8_operand, and
8901         reg_or_zero_operand.
8902         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
8903         seth_add3_operand, int8_operand, cmp_int16_operand,
8904         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
8905         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
8906         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
8907         move_double_src_operand, move_dest_operand,
8908         eqne_comparison_operator, signed_comparison_operator,
8909         extend_operand, small_insn_p, large_insn_p,
8910         conditional_move_operand, carry_compare_operand,
8911         m32r_block_immediate_operand): Move to predicates.md.
8912         (MAX_MOVE_BYTES): Move to m32r.h.
8913         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
8914         * config/m32r/m32r.md: Include predicates.md.
8915         * config/m32r/predicates.md: New.
8916
8917 2005-03-18  James E Wilson  <wilson@specifixinc.com>
8918
8919         PR c++/19769
8920         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
8921         origin.
8922
8923 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8924
8925         * config/mn10300/mn10300-protos.h: Remove the prototypes for
8926         call_address_operand, const_8bit_operand.
8927         * config/mn10300/mn10300.c (call_address_operand,
8928         const_8bit_operand, const_1f_operand): Move to predicates.md.
8929         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
8930         * config/mn10300/mn10300.md: Include predicates.md.
8931         * config/mn10300/predicates.md: New.
8932
8933 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
8934
8935         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
8936         declarations in diagnostics and %E for identifiers, not %s.
8937
8938 2005-03-18  Jan Hubicka  <jh@suse.cz>
8939             Dale Johannesen  <dalej@apple.com>
8940
8941         * basic-block.h (scale_bbs_frequencies_int,
8942         scale_bbs_frequencies_gcov_type): Declare.
8943         * cfg.c (RDIV): New macro.
8944         (update_bb_frequency_for_threading): Fix.
8945         * basic-block.h (scale_bbs_frequencies_int,
8946         scale_bbs_frequencies_gcov_type): New.
8947         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
8948         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
8949         scale_bbs_frequencies_int.
8950         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
8951
8952 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8953
8954         * config/m32r/m32r-protos.h: Remove the prototypes for
8955         call_address_operand, symbolic_operand, seth_add3_operand,
8956         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
8957         reg_or_uint16_operand, reg_or_cmp_int16_operand,
8958         two_insn_const_operand, move_src_operand,
8959         move_double_src_operand, move_dest_operand,
8960         eqne_comparison_operator, signed_comparison_operator,
8961         large_insn_p, conditional_move_operand, carry_compare_operand,
8962         m32r_block_immediate_operand, extend_operand,
8963         reg_or_eq_int16_operand, int8_operand, and
8964         reg_or_zero_operand.
8965         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
8966         seth_add3_operand, int8_operand, cmp_int16_operand,
8967         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
8968         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
8969         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
8970         move_double_src_operand, move_dest_operand,
8971         eqne_comparison_operator, signed_comparison_operator,
8972         extend_operand, small_insn_p, large_insn_p,
8973         conditional_move_operand, carry_compare_operand,
8974         m32r_block_immediate_operand): Move to predicates.md.
8975         (MAX_MOVE_BYTES): Move to m32r.h.
8976         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
8977         * config/m32r/m32r.md: Include predicates.md.
8978         * config/m32r/predicates.md: New.
8979
8980         * config/pa/pa-protos.h: Add prototypes for magic_milli and
8981         shadd_constant_p.
8982         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
8983         symbolic_operand, symbolic_memory_operand,
8984         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
8985         indexed_memory_operand, move_dest_operand, move_src_operand,
8986         prefetch_cc_operand, prefetch_nocc_operand,
8987         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
8988         arith_operand, arith11_operand, pre_cint_operand,
8989         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
8990         ireg_operand, int5_operand, uint5_operand, int11_operand,
8991         uint32_operand, arith5_operand, and_operand, ior_operand,
8992         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
8993         pc_or_label_operand, div_operand, plus_xor_ior_operator,
8994         shadd_operand, movb_comparison_operator,
8995         cmpib_comparison_operator): Move to predicates.md.
8996         (magic_milli, shadd_constant_p): Make it extern.
8997         * config/pa/pa.h (PREDICATE_CODES): Remove.
8998         * config/pa/pa.md: Include predicates.md.
8999         * config/pa/predicates.md: New.
9000
9001         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
9002         predicate.
9003
9004 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9005
9006         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
9007         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
9008         config/alpha/freebsd.h, config/alpha/linux.h,
9009         config/alpha/netbsd.h, config/alpha/osf5.h,
9010         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
9011         config/h8300/h8300-protos.h, config/h8300/h8300.c,
9012         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
9013         doc/cppopts.texi: Update copyright.
9014
9015 2005-03-18  Jan Hubicka  <jh@suse.cz>
9016
9017         PR middle-end/20225
9018         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
9019         too late.
9020         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
9021         called too late.
9022
9023 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9024
9025         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
9026         VEC_safe_push.
9027
9028 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
9029
9030         * combine.c (gen_binary): Remove.
9031         (known_cond, simplify_shift_const, find_split_point,
9032         combine_simplify_rtx, simplify_if_then_else, simplify_set,
9033         simplify_logical, expand_field_assignment, extract_left_shift,
9034         force_to_mode, if_then_else_cond, apply_distributive_law,
9035         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
9036         simplify_comparison, reversed_comparison): Replace with
9037         simplify_gen_binary, simplify_gen_relational or
9038         distribute_and_simplify_rtx.
9039         (distribute_and_simplify_rtx): New function.
9040
9041 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
9042             Paolo Bonzini  <gcc.gnu.org>
9043
9044         * calls.c (setjmp_call_p, special_function_p): Update comments
9045         at the head of the functions.
9046
9047 2005-03-18  Jan Hubicka  <jh@suse.cz>
9048
9049         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
9050
9051         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
9052         function body should be released; do not proactively release function
9053         bodies in non-unit-at-a-time mode.
9054
9055 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
9056
9057         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
9058         mno-fp-ret-in-387 multilib variants.
9059
9060 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
9061
9062         * common.opt (m): Remove.
9063         * opts.c (handle_option): Pass 'm' options to set_target_switch if
9064         table lookup fails.
9065         (common_handle_option): Remove OPT_m case.
9066
9067 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9068
9069         * builtins.c (fold_builtin_bitop): Take decomposed arguments
9070         of CALL_EXPR.
9071         (fold_builtin_1): Update a call to fold_builtin_bitop.
9072
9073         * builtins.c (fold_builtin_signbit): Take decomposed arguments
9074         of CALL_EXPR.
9075         (fold_builtin_1): Update a call to fold_builtin_signbit.
9076
9077 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
9078
9079         PR tree-optimization/20474
9080         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
9081         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
9082
9083 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
9084
9085         * config/h8300/h8300-protos.h: Remove prototypes for
9086         general_operand_src, general_operand_dst, single_one_operand,
9087         single_zero_operand, call_insn_operand,
9088         two_insn_adds_subs_operand, small_call_insn_operand,
9089         jump_address_operand, bit_operand, bit_memory_operand,
9090         stack_pointer_operand, const_int_gt_2_operand,
9091         const_int_ge_8_operand, const_int_qi_operand,
9092         const_int_hi_operand, incdec_operand, bit_operator,
9093         nshift_operator, eqne_operator, gtle_operator,
9094         gtuleu_operator, iorxor_operator.
9095         Add prototypes for h8sx_shift_type h8sx_classify_shift and
9096         h8300_ldm_stm_parallel.
9097         * config/h8300/h8300.c (h8sx_shift_type,): Move to
9098         h8300-protos.h.
9099         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
9100         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
9101         (h8300_ldm_stm_parallel): Make it extern.
9102         (h8300_ldm_parallel, h8300_stm_parallel,
9103         h8300_return_parallel, general_operand_src,
9104         general_operand_dst, h8300_dst_operand, h8300_src_operand,
9105         nibble_operand, reg_or_nibble_operand, single_one_operand,
9106         single_zero_operand, call_insn_operand,
9107         two_insn_adds_subs_operand, small_call_insn_operand,
9108         jump_address_operand, bit_operand, bit_memory_operand,
9109         stack_pointer_operand, const_int_gt_2_operand,
9110         const_int_ge_8_operand, const_int_qi_operand,
9111         const_int_hi_operand, incdec_operand, eqne_operator,
9112         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
9113         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
9114         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
9115         nshift_operator): Move to predicates.md.
9116         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
9117         * config/h8300/h8300.md: Include predicates.md.
9118         * config/h8300/predicates.md: New.
9119
9120 2005-03-17  Richard Henderson  <rth@redhat.com>
9121
9122         * config.gcc (ia64*-*-hpux*): Add extra_options.
9123         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
9124         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
9125         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
9126         (ia64_tls_size_string, ia64_tune_string): Remove.
9127         (ia64_tune): Init to PROCESSOR_ITANIUM2.
9128         (TARGET_DEFAULT_TARGET_FLAGS): New.
9129         (TARGET_HANDLE_OPTION): New.
9130         (ia64_override_options): Move options parsing ...
9131         (ia64_handle_option): ... here.  New.
9132         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
9133         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
9134         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
9135         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
9136         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
9137         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
9138         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
9139         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
9140         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
9141         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
9142         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
9143         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
9144         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
9145         TARGET_EARLY_STOP_BITS): Remove.
9146         (TARGET_ILP32): Default false.
9147         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
9148         (enum ia64_inline_type): New.
9149         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
9150         * config/ia64/ia64.md: Update for new definitions of
9151         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
9152         * config/ia64/ia64.opt: New file.
9153         * config/ia64/ilp32.opt: New file.
9154
9155 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9156
9157         PR target/18380
9158         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
9159
9160 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
9161
9162         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
9163         instead of MASK_H8300S.
9164         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
9165         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
9166         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
9167         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
9168         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
9169         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
9170         TARGET_SWITCHES): Remove.
9171         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
9172         TARGET_H8300SX.
9173         * config/h8300/h8300.opt: New.
9174
9175         * config/alpha/alpha.opt, config/arc/arc.opt,
9176         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
9177         notices.
9178
9179 2005-03-17  Ian Lance Taylor  <ian@airs.com>
9180
9181         * gmon.c: Remove.
9182
9183 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
9184
9185         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
9186         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
9187         (TARGET_HANDLE_OPTION): Override default.
9188         (arc_handle_option): New function.
9189         (arc_init): Remove code to set arch_cpu_string.
9190         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
9191         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
9192         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
9193         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
9194         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
9195         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
9196         (arc_rodata_string, TARGET_OPTIONS): Delete.
9197         * config/arc/arc.opt: New file.
9198
9199 2005-03-17  Richard Henderson  <rth@redhat.com>
9200
9201         * doc/extend.texi (Weak Pragmas): New section.
9202         (attribute alias): Clarify that target must be in the same
9203         translation unit.
9204
9205 2005-03-17  Richard Henderson  <rth@redhat.com>
9206
9207         * config/alpha/alpha.opt: New file.
9208         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
9209         of alpha_cpu.
9210         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
9211         alpha_fprm_string, alpha_fptm_string): Make static.
9212         (alpha_tls_size_string): Remove.
9213         (alpha_handle_option): New.
9214         (override_options): Update for alpha_cpu/alpha_tune split.
9215         (alpha_file_start): Likewise.
9216         (TARGET_DEFAULT_TARGET_FLAGS): New.
9217         (TARGET_HANDLE_OPTION): New.
9218         * config/alpha/alpha.h (alpha_tune): Declare.
9219         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
9220         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
9221         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
9222         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
9223         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
9224         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
9225         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
9226         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
9227         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
9228         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
9229         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
9230         (TARGET_DEFAULT): Remove MASK_FP.
9231         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
9232         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
9233         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
9234         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
9235         alpha_tls_size_string): Remove.
9236         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
9237         (attribute tune): Rename from attribute cpu.
9238         * config/alpha/ev4.md: Update to match.
9239         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
9240         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
9241         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
9242         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
9243         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
9244         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
9245
9246 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
9247
9248         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
9249         and return without creating new state if before_nops_num is nonzero.
9250         * config/ia64/ia64.md (first_insn): New attribute.
9251         (alloc): Set it to yes.
9252
9253 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
9254
9255         * tree-vectorizer.c (new_vec_stmt_info): Initialize
9256         STMT_VINFO_SUBVARS to NULL.
9257         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9258
9259 2005-03-16 Dale Johannesen  <dalej@apple.com>
9260
9261         * rtlanal.c (find_first_parameter_load):  Rewrite to
9262         return actual first param load or the call if none,
9263         instead of first in block, when not all loads exist.
9264
9265 2005-03-16  Roger Sayle  <roger@eyesopen.com>
9266
9267         * optabs.c (expand_copysign_absneg): Make static.
9268         * optabs.h (expand_copysign_absneg): Delete prototype.
9269         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
9270
9271 2005-03-16  Richard Henderson  <rth@redhat.com>
9272
9273         PR middle-end/15700
9274         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
9275         (alias_pairs): Rename from output_defs.
9276         (find_decl_and_mark_needed): Split out from assemble_alias.
9277         (do_assemble_alias): New.
9278         (assemble_output_def): Remove.
9279         (finish_aliases_1, finish_aliases_2): New.
9280         (process_pending_assemble_output_defs): Remove.
9281         (assemble_alias): Defer aliases for which we don't yet have a
9282         non-external decl for the target symbol.
9283         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
9284         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
9285         * toplev.c (compile_file): Use finish_aliases_2 instead of
9286         process_pending_assemble_output_defs.
9287         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
9288         (process_pending_assemble_output_defs): Remove.
9289
9290 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
9291
9292         Fix PR tree-optimization/20489
9293
9294         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
9295         for empty structures.
9296
9297 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
9298
9299         Fix PR tree-optimization/20490
9300
9301         * tree-ssa-pre.c (create_expression_by_pieces): Use
9302         force_gimple_operand on result of fold.
9303
9304 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
9305
9306         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
9307         of closing parenthesis.
9308
9309 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
9310
9311         * builtins.c (expand_movstr): Update a call to
9312         fold_builtin_strcpy.
9313         (expand_builtin_strncpy): Update a call to
9314         fold_builtin_strncpy.
9315         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
9316         arguments of CALL_EXPR.
9317         (fold_builtin_1): Update calls to fold_builtin_strcpy and
9318         fold_builtin_strncpy.
9319         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
9320         * tree.h: Update the prototypes of fold_builtin_strcpy and
9321         fold_builtin_strncpy.
9322
9323 2005-03-16  Steven Bosscher  <stevenb@suse.de>
9324             Dorit Naishlos  <dorit@il.ibm.com>
9325
9326         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
9327         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
9328         error.
9329
9330 2005-03-16  Steven Bosscher  <stevenb@suse.de>
9331
9332         * tree-inline.c (walk_type_fields, walk_tree,
9333         walk_tree_without_duplicates): Move from here...
9334         * tree.c: ...to here.
9335
9336 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
9337
9338         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
9339         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
9340         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
9341         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
9342         (version): Define using $(BASEVER_c).
9343         (Makefile, config.status, build/gcov-iov.o): No longer depends on
9344         version.c.
9345         (version.o): Depend on version files; add custom generation command.
9346         (prefix.o): Define BASEVER on command line.
9347         (s-iov): Depend on version files; adjust command.
9348         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
9349         Add gcc-vers.texi.
9350         (gcc-vers.texi): New rule.
9351         (doc/%.info, doc/%.dvi): Add -I . to command line.
9352         (doc/gccinstall.dvi): Likewise.
9353         (PACKAGE): Delete.  All uses replaced with "gcc".
9354         * aclocal.m4: Do not include gcc-version.m4.
9355         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
9356         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
9357         Set is_release based on contents of DEV-PHASE.
9358         Set gcc_version based on contents of BASE-VER.
9359         Define WIN32_REGISTRY_KEY only if the user overrode the default.
9360         * config.in, configure: Regenerate.
9361         * gccbug.in: Determine version of GCC in use at runtime.
9362         * gcov-iov.c: Get version number and development phase from
9363         command line, not by including version.c.
9364         * intl.c: Replace all uses of PACKAGE with "gcc".
9365         * libada-mk.in: Delete unused "gcc_version" variable.
9366         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
9367         * version.c: (VERSUFFIX): New hook for redistributors; adjust
9368         commentary to match.
9369         (version_string): Put together from pieces.
9370         * config/alpha/x-vms: Do not use $(gcc_version).
9371         * config/i386/t-nwld: Likewise.
9372         * doc/include/gcc-common.texi: Include gcc-vers.texi for
9373         version-GCC and DEVELOPMENT.
9374
9375 2005-03-15  Roger Sayle  <roger@eyesopen.com>
9376
9377         PR tree-optimization/17454
9378         * tree.c (tree_size): Add case for TREE_BINFO.
9379         * fold-const.c (fold_checksum_tree): Only clear the overloaded
9380         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
9381
9382 2005-03-15  Roger Sayle  <roger@eyesopen.com>
9383
9384         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
9385         op1 whilst expanding the signed widenening multiply variant.
9386
9387 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
9388
9389         * toplev.c (display_target_options): Avoid unused variable warning if
9390         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
9391         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
9392         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
9393         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
9394         (mips_isa_info): New variable.
9395         (mips_parse_cpu): Remove the first argument and leave the caller
9396         to report errors.
9397         (TARGET_HANDLE_OPTION): Override default.
9398         (mips_handle_option): New function.  Move option validation code from...
9399         (override_options): ...here.  Update calls to mips_parse_cpu.
9400         * config/mips/mips.h (mips_arch_string, mips_tune_string)
9401         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
9402         (SUBTARGET_TARGET_OPTIONS): Delete.
9403         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
9404         (mno-flush-func, mtune=): New options.
9405
9406 2005-03-15  Roger Sayle  <roger@eyesopen.com>
9407             Richard Henderson  <rth@redhat.com>
9408
9409         * real.c (c4x_single_format, c4x_extended_format): Provide values
9410         for signbit_ro for c4x's single and extended floating point formats.
9411         * optabs.c (expand_copysign): Use the floating point format's
9412         signbit_ro for expanding via expand_copysign_absneg, and it's
9413         signbit_rw field for expanding via expand_copysign_bit.
9414
9415 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
9416
9417         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
9418         known_alignment_for_access_p.
9419         (known_alignment_for_access_p): New.
9420         (do_peeling_for_alignment): Field made int instead of bool and renamed
9421         to peeling_for_alignment.
9422         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
9423         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
9424         functionality used to be in vect_analyze_operations.
9425         (vect_analyze_operations): Code to determine vectorization factor was
9426         moved to vect_determine_vectorization_factor.
9427         (vect_enhance_data_refs_alignment): Update to correct alignment when it
9428         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
9429         factor.
9430         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
9431         be part of vect_analyze_operations).
9432         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
9433         creating the guard condition, as the number of iterations may be
9434         constant.
9435         (slpeel_tree_peel_loop_to_edge): Use new name of
9436         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
9437         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
9438         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
9439         (vect_do_peeling_for_alignment): Use fold.
9440         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
9441
9442         (vect_update_inits_of_dr): Renamed to
9443         vect_update_init_of_dr.
9444         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
9445         (vectorizable_store): Fix assertion to use == instead of =.
9446
9447 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
9448
9449         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
9450         call_used_regs for wCG registers.
9451
9452 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
9453
9454         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
9455         for non-offsettable memory references to cope with outstanding reload
9456         replacements, take 2.
9457
9458 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
9459
9460         PR target/18668
9461         * config/i386/i386.h (x86_fisttp): New.
9462         (TARGET_FISTTP): New macro.
9463         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
9464         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
9465         instruction when fisttp flag is set.
9466         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
9467
9468         * config/i386/i386.md (type attribute): Add fisttp.
9469         (unit attribute): Set to i387 for fisttp type.
9470         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
9471         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
9472         TARGET_FISTTP.
9473         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
9474         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
9475         macros.
9476         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
9477         patterns for TARGET_FISTTP.  Enable patterns for
9478         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
9479         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
9480         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
9481         implement fisttp x87 insn.
9482         (fix_trunc*_i387_fisttp splitters): New patterns.
9483         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
9484         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
9485         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
9486         clobber.
9487         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
9488         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
9489         Implement using mode macros. Disable patterns for TARGET_FISTTP.
9490         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
9491         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
9492         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
9493         Disable patterns for TARGET_FISTTP.
9494         (fix_trunc*_i387 splitters): Implement usign mode macros.
9495         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
9496         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
9497         (fix_trunx*_sse peephole2s): Implement using mode macros.
9498
9499 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
9500
9501         PR rtl-optimization/20291
9502         * combine.c (try_combine): If splitting fails, re-try with
9503         original combined pattern, i.e. before clobber stripping.
9504
9505 2005-03-14  Eric Christopher  <echristo@redhat.com>
9506
9507         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
9508         STACK_GROWS_DOWNWARD.
9509
9510 2005-03-14  Roger Sayle  <roger@eyesopen.com>
9511
9512         * real.h (struct real_format): Split the signbit field into two
9513         two fields, signbit_ro and signbit_rw.
9514         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
9515         mips_double_format, ieee_extended_motorola_format,
9516         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
9517         ieee_extended_intel_128_format, ibm_extended_format,
9518         mips_extended_format, ieee_quad_format, mips_quad_format,
9519         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
9520         i370_double_format, c4x_single_format, c4x_extended_format,
9521         real_internal_format): Update initializers for new field.
9522         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
9523         real_format structure.
9524         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
9525         field of the real_format structure.
9526
9527 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
9528
9529         Fix PR tree-optimization/20458
9530
9531         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
9532         DECL_EXTERNAL on STRUCT_FIELD tags.
9533         (clear_call_clobbered): Ditto.
9534         * tree-ssa-operands.c (note_addressable): Make sure the original
9535         variable doesn't slip into the addressable list if we have
9536         subvars.
9537         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
9538         tags too.
9539
9540 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
9541
9542         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
9543         (-fwide-exec-charset): Likewise.
9544         (-finput-charset): Likewise.
9545         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
9546         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
9547         * c.opt (Wnormalized): New.
9548
9549 2005-03-14  Devang Patel  <dpatel@apple.com>
9550
9551         * doc/invoke.texi: Add reference to Visibility document.
9552
9553 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
9554
9555         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
9556         MASK_SPLIT_ADDRESSES.
9557         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
9558         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
9559         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
9560         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
9561         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
9562         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
9563         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
9564         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
9565         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
9566         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
9567         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
9568         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
9569         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
9570         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
9571         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
9572         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
9573         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
9574         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
9575         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
9576         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
9577         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
9578         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
9579         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
9580         (TARGET_EXPLICIT_RELOCS): Delete.
9581         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
9582         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
9583         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
9584         (override_options): Set MASK_LONG64 if -mint64 is given and no
9585         -mlongXX option is.  Complain about -mint64 -mlong32.
9586         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
9587         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
9588         * config/mips/mips.opt: New file.
9589
9590 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
9591
9592         * config.gcc (extra_options): New variable for listing option files.
9593         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
9594         * configure.ac (extra_opt_files): New AC_SUBST variable.
9595         (tm_file_list, tm_include_list): Include options.h first.
9596         * configure: Regenerate.
9597         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
9598         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
9599         (s-options-h): New rule.
9600         (options.h): Depend on it.
9601         (TEXI_GCCINT_FILES): Add options.texi.
9602         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
9603         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
9604         * target.h (gcc_target): Add default_target_flags and handle_option.
9605         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
9606         (TARGET_HANDLE_OPTION): New macros.
9607         (TARGET_INITIALIZER): Include them.
9608         * opt-functions.awk (opt_args, nth_arg): New functions.
9609         (switch_flags): Handle the "Target" flag.
9610         (var_args): Delete.
9611         (var_name): Use opt_args and nth_arg.
9612         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
9613         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
9614         macros for the "Mask" and "InverseMask" options.
9615         * opts.h (cl_var_cond): New enum.
9616         (cl_option): Replace the "has_set_value" and "set_value" fields with
9617         "var_cond" and "var_value".
9618         (CL_TARGET): New macro.
9619         (option_enabled, print_filtered_help): Declare.
9620         (decode_options): Move definition.
9621         * opts.c (handle_option): Search for the original option before
9622         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
9623         var_cond and var_value fields.  Use targetm.handle_option to handle
9624         target options.
9625         (decode_options): Set target_flags to targetm.default_target_flags.
9626         (print_filtered_help): Make global.  Handle CL_TARGET.
9627         (option_enabled): New function.
9628         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
9629         (display_target_options, set_target_switch, print_switch_values)
9630         (default_pch_valid_p): Guard uses of target_switches with
9631         #ifdef TARGET_SWITCHES.  Also...
9632         (display_target_options): Display the CL_TARGET entries in cl_options.
9633         (set_target_option): Don't complain about the "" option when
9634         TARGET_SWITCHES is undefined.
9635         (print_switch_values): Use option_enabled.
9636         (default_pch_valid_p): Check cl_options[] when looking for something
9637         that has changed the value of target_flags.
9638         * c.opt: Remove documentation from top of file.
9639         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
9640         * doc/sourecebuild.texi: Refer to the new options documentation
9641         instead of c.opt.  Document machine-specific .opt files.
9642         * doc/tm.texi (target_flags): Say that this variable is declared
9643         by options.h.
9644         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
9645         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
9646         an alternative.
9647         * doc/options.texi: New file.
9648
9649 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
9650
9651         PR middle-end/18628
9652         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
9653         register.
9654
9655 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
9656
9657         PR c++/20280
9658         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
9659         temporary variable of pointer type if an lvalues is required.
9660         (gimplify_modify_expr_rhs): Request an rvalue from it.
9661         (gimplify_expr): Pass fallback on.
9662
9663 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9664
9665         * cfgbuild.c: Update comments.
9666
9667 2005-03-14  Roger Sayle  <roger@eyesopen.com>
9668
9669         PR rtl-optimization/17236
9670         * optabs.c (expand_doubleword_mult): New helper function split out
9671         from expand_binop.  Permute the order in which instructions are
9672         emitted to minimize the number of simultaneously live registers.
9673         (expand_binop): Call expand_doubleword_mult to synthesize a double
9674         word multiplication.
9675
9676 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9677
9678         * basic-block.h: Update the prototypes of cached_make_edge and
9679         rtl_make_eh_edge.
9680         * cfg.c (cached_make_edge): Take edge_cache representing one
9681         row of the adjacency matrix of edges.
9682         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
9683         (make_edges): Initialize edge_cache to represent one row of
9684         the adjacency matrix of edges.
9685
9686 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9687
9688         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
9689         New functions.
9690         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
9691         Remove unused removed_phis variable.
9692         (conditional_replacement): Use build1/build2.
9693         (abs_replacement): Use last_and_only_stmt and build1/build2.
9694
9695 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9696
9697         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
9698         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
9699         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
9700         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
9701         * c-common.c (handle_novops_attribute): New function.
9702         (c_common_attribute_table): Add "no vops" entry.
9703         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
9704         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
9705         * tree-ssa-operands.c (get_call_expr_operands): Do not
9706         create virtual operands for calls with ECF_NOVOPS flag.
9707         * tree.h (DECL_IS_NOVOPS): New macro.
9708         (struct tree_decl): Add novops_flag.
9709         (ECF_NOVOPS): New constant.
9710
9711 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
9712
9713         PR target/17688
9714         * config/i386/i386.c (x86_use_himode_fiop): New.
9715         (x86_use_simode_fiop): Rename from x86_use_fiop.
9716         * config/i386/i386.h (x86_use_himode_fiop): Declare.
9717         (TARGET_USE_HIMODE_FIOP): New.
9718         (x86_use_simode_fiop): Rename from x86_use_fiop.
9719         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
9720
9721         * config/i386/i386.md (X87MODEI12): New mode macro define.
9722         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
9723         to implement x87 FP compare with HImode input operands.
9724         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
9725         Use X87MODEI12 mode macro to handle HImode input operands.
9726         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
9727         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
9728         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
9729         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
9730         macro to implement x87 operators with HImode input operands.
9731         (fop splitters): Use X87MODEI12 mode macro to handle HImode
9732         input operands.
9733
9734 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9735
9736         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
9737         integer_zerop.
9738         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
9739         constants invariant.
9740
9741 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9742
9743         * basic-block.h (BB_VISITED): Removed.
9744         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
9745
9746 2005-03-14  Falk Hueffner  <falk@debian.org>
9747
9748         PR bootstrap/20424
9749         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
9750
9751 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9752
9753         * ggc-zone.c: Fix comment typos.
9754
9755         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
9756         stringpool.c, config/mips/mips-protos.h: Update copyright.
9757
9758 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
9759
9760         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
9761         throughout with its typedef, "rtx".
9762         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
9763         (rs6000_tls_symbol_ref_1): Remove inline keyword.
9764         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
9765         regs in comment to match code.
9766
9767 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9768
9769         * except.c (check_handled): Make it static.
9770         * except.h: Remove the corresponding prototype.
9771
9772         * function.c (get_func_frame_size): Make it static.
9773         * function.h: Remove the corresponding type.
9774
9775         * regclass.c (reg_class_superclasses, reg_class_subclasses):
9776         Make them static.
9777         * hard-reg-set.h: Remove the corresponding declarations.
9778
9779         * tree-cfg.c (verify_stmts): Check that
9780         bb_for_stmt (stmt) == bb for every PHI node and statement.
9781
9782 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
9783
9784         * config.gcc: Remove excess indentation.
9785         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
9786
9787 2005-03-13  Roger Sayle  <roger@eyesopen.com>
9788
9789         PR middle-end/19331
9790         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
9791         * fold-const.c (fold_sign_changed_comparison): Likewise.
9792         (fold_binary): Optimize comparisons against widened operands if
9793         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
9794
9795 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9796
9797         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
9798         (sparc_override_options): Initialize it.
9799         (sparc_struct_value_rtx): Set it on the MEM to be returned.
9800
9801 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
9802
9803         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
9804         (reg_or_none500mem_operand): New predicate.
9805         (zero_reg_mem_operand): New predicate.
9806         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
9807         to reg_or_none500mem_operand.
9808         (extendsfdf2_fpr): Add MEM alternative.
9809         (extenddftf2_internal): Change operand2 predicate to
9810         zero_reg_mem_operand.
9811
9812 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9813
9814         * ggc-zone.c: Rewritten.
9815
9816         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
9817         if there are none.
9818         * configure.ac: Define GGC_ZONE for --with-gc=zone.
9819         * config.in: Regenerated.
9820         * configure: Regenerated.
9821         * gengtype.c (write_types_process_field, write_func_for_structure):
9822         Pass new argument to gt_pch_note_object.
9823         * ggc-common.c (struct ptr_data): Add TYPE.
9824         (gt_pch_note_object): Take TYPE argument and save it.
9825         (call_count): Update call to ggc_pch_count_object.
9826         (call_alloc): Update call to ggc_pch_alloc_object.
9827         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
9828         file.
9829         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
9830         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
9831         (ggc_alloc_zone_stat): Delete.
9832         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
9833         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
9834         (ggc_pch_alloc_object): Update prototypes.
9835         (garbage_zone): Delete.
9836         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
9837         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
9838         pointers.
9839         (tree_id_zone): New variable.
9840         (ggc_alloc_cleared_zone): Remove unused.
9841         (ggc_alloc_zone): Define.
9842         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
9843         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
9844         ggc_alloc_zone_stat.
9845         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
9846         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
9847         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
9848         (make_node_stat): Likewise.  Use tree_id_zone.
9849
9850 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9851             Joseph S. Myers  <joseph@codesourcery.com>
9852
9853         * configure.ac: Check for MIPS TLS.
9854         * configure: Regenerated.
9855         * config/mips/mips-protos.h (enum mips_symbol_type): Add
9856         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
9857         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
9858         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
9859         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
9860         (mips_classify_symbol, mips_symbolic_constant_p)
9861         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
9862         (mips_tls_operand_p, mips_call_tls_get_addr)
9863         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
9864         (mips_tls_symbol_ref_1): New functions.
9865         (mips_legitimize_address, mips_legitimize_const_move): Call
9866         mips_legitimize_tls_address.
9867         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
9868         for MIPS16.
9869         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
9870         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
9871         (mips_char_to_class): Document V1_REG.
9872         (HAVE_AS_TLS): Provide default.
9873         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
9874         constants.
9875         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
9876         !TARGET_ABICALLS.
9877         (tls_get_tp_<mode>): New instruction.
9878
9879 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9880
9881         * configure.ac: Update checks for target tools.
9882         * configure: Regenerated.
9883
9884 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9885
9886         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
9887
9888 2005-03-13  Roger Sayle  <roger@eyesopen.com>
9889
9890         * expmed.c (expand_mult): Use synthetic multiplication sequences for
9891         more classes of DImode multiplication by constant.  Allow both
9892         multiplication by small negative constants (by performing a
9893         multiplication by a positive constant and negating the result) and
9894         multiplications by large powers of two, by using a left shift.
9895
9896 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
9897
9898         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
9899         of basic blocks into work_stack.
9900
9901         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
9902         config/mips/vr.h: Update copyright.
9903
9904         * c-decl.c (c_init_decl_processing): Remove useless calls to
9905         build_function_type.
9906
9907         * builtins.c (fold_trunc_transparent_mathfn,
9908         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
9909         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
9910         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
9911         fold_builtin_strcpy, fold_builtin_strncpy,
9912         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
9913         TREE_TYPE (exp).
9914
9915         * builtins.c (expand_builtin_mathfn_3): Remove local variable
9916         before_call.
9917
9918         * lambda-code.c (lambda_compute_auxillary_space): Remove local
9919         variable determinant.
9920
9921         * tree-cfg.c (group_case_labels): Remove local variable type.
9922
9923         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
9924         variable ann.
9925
9926         * tree-ssa-phiopt.c (value_replacement): Remove local variable
9927         result.
9928
9929 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
9930
9931         PR target/18251
9932         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
9933         (*movmemqi_insn): Delete.
9934         (*movmemhi): Delete.
9935
9936 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
9937
9938         * builtins.c (fold_builtin_classify): Take decomposed
9939         arguments of CALL_EXPR.
9940         (fold_builtin_1): Update a call to fold_builtin_classify.
9941
9942 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
9943
9944         PR c/20402
9945         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
9946         through into call to parser_xref_tag after parse error.
9947         (c_parser_struct_declaration): Consistently return NULL_TREE on
9948         error.
9949
9950 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
9951
9952         * tree-flow-inline.h (ref_contains_array_ref): New function.
9953         (lookup_subvars_for_var): Ditto.
9954         (get_subvars_for_var): Ditto.
9955         (var_can_have_subvars): Ditto.
9956
9957         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
9958         (struct subvar): New type.
9959
9960         * tree-dfa.c (okay_component_ref_for_subvars): New function.
9961
9962         * tree-optimize.c (init_tree_optimization_passes): Call
9963         pass_create_structure_vars.
9964
9965         * tree-ssa-alias.c: Include vec.h.
9966         (init_alias_info): Don't auto-clear call clobbered on struct-field
9967         tags.
9968         (compute_flow_insensitive_aliasing): Handle subvars.
9969         (group_aliases): Handle STRUCT_FIELD aliases.
9970         (setup_pointers_and_addressables): Ditto.
9971         Don't mark variables non-addressable if they still have
9972         addressable subvars.
9973         Also mark subvars addressable when the real variable is marked
9974         addressable.
9975         (add_pointed_to_var): Try to prune the pointed-to set by only
9976         pointing to subvars when possible.
9977         Otherwise, make sure we set addresses_needed and pt_vars to
9978         properly include subvars.
9979         (bitpos_of_field): New function.
9980         (push_fields_onto_fieldstack): Ditto.
9981         (get_or_create_used_part_for): Ditto.
9982         (create_overlap_variables_for): Ditto.
9983         (find_used_portions): Ditto.
9984         (create_structure_vars): Ditto.
9985         (pass_create_structure_vars): New structure.
9986
9987         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
9988         (get_expr_operands): Handle subvars.  Also try to turn
9989         COMPONENT_REF accesses into must-defs now that we can accurately
9990         portray it.
9991         (note_addressable): Try to only mark as addressable those subvars
9992         we know a COMPONENT_REF touches.
9993         (overlap_subvar): New function.
9994
9995         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
9996         Handle subvar storing.
9997         (vect_address_analysis): Update caller of vect_object_analysis.
9998
9999         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
10000
10001         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
10002         (STMT_VINFO_SUBVARS): New macro.
10003
10004         * common.opts: add flag_tree_salias.
10005
10006         * opts.c (decode_options): flag_tree_salias defaults to on.
10007
10008         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
10009
10010         * doc/tree-ssa.texi: Document structural alias analysis.
10011
10012 2005-03-12  Steven Bosscher  <stevenb@suse.de>
10013
10014         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
10015         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
10016         * tree-ssa-operands.c (get_expr_operands): Likewise.
10017         (get_expr_operands): Likewise for ERROR_MARK.
10018
10019 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
10020
10021         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
10022         var.
10023
10024         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
10025         removed_phis.
10026
10027         * tree-ssa-pre.c (compute_avail): Remove local variable val.
10028         (mark_operand_necessary): Remove local variable ver.
10029
10030         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
10031         variable prefix_len.
10032
10033         * value-prof.c (mod_subtract_transform): Remove local variable
10034         value.
10035
10036         * builtins.c (fold_builtin_exponent): Take decomposed
10037         arguments of CALL_EXPR.
10038         (fold_builtin_1): Update a call to fold_builtin_exponent.
10039
10040         * builtins.c (fold_builtin_logarithm): Take decomposed
10041         arguments of CALL_EXPR.
10042         (fold_builtin_1): Update a call to fold_builtin_logarithm.
10043
10044         * c-decl.c (c_init_decl_processing): Remove local variables
10045         ptr_ftype_void and ptr_ftype_ptr.
10046
10047         * gimplify.c (gimplify_expr): Remove local variables r0 and
10048         r1.
10049
10050         * reg-stack.c (move_for_stack_reg): Remove local variable
10051         push_insn.
10052         (compare_for_stack_reg): Remove local variable flags_user.
10053         (convert_regs_1): Remove local variable deleted.
10054
10055         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
10056         variable new_cond.
10057         (combine_blocks): Remove local variables exits and new_e.
10058
10059         * tree-inline.c (expand_call_inline): Remove local variable
10060         decl.
10061
10062         * tree-ssa-live.c (create_ssa_var_map,
10063         calculate_live_on_entry): Remove local variable snn.
10064
10065 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
10066
10067         * c-lex.c (c_lex_with_flags): Add parameter to call to
10068         cpp_spell_token.
10069
10070 2005-03-11  Per Bothner  <per@bothner.com>
10071
10072         * c-tree.h (struct c_declarator): New id_loc field.
10073         * c-pragma.h (c_lex_with_flags): Take position reference.
10074         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
10075         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
10076         (c_lex): Pass dummy location to c_lex_with_flags.
10077         * c-parser.c (c_lex_one_token): Set c_token's location using
10078         c_lex_with_flags, instead of input_location, which might be "ahead".
10079         (c_parser_direct_declarator): Set declarator's id_loc from
10080         c_token's id_loc.
10081         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
10082         declarator's id_loc, rather than probably-imprecise input_location.
10083         (build_id_declarator): Initialize c_declarator's id_loc field.
10084
10085 2005-03-11  Roger Sayle  <roger@eyesopen.com>
10086
10087         PR middle-end/20419
10088         * builtins.c (expand_builtin_signbit): Force the signbit's word
10089         into an integer register to avoid SUBREGs of floating point modes.
10090
10091 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
10092
10093         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
10094         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
10095         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
10096         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
10097
10098 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
10099
10100         PR rtl-optimization/20306
10101         * expr.c (emit_move_complex): Set try_int false if mode is
10102         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
10103         emit_block_move if try_int is true.
10104
10105 2005-03-11  Richard Henderson  <rth@redhat.com>
10106
10107         PR target/20415
10108         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
10109         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
10110         to match.
10111
10112 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
10113
10114         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
10115         (TARGET_FIX_VR4130): New macro.
10116         (TARGET_OPTIONS): Add -mfix-vr4130.
10117         (ISA_HAS_MACCHI): New macro.
10118         (ASM_SPEC): Add -mfix-vr4130.
10119         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
10120         (override_options): Handle mips_fix_vr4130_string.
10121         (mips_avoid_hazards): Clear all_noreorder_p
10122         if we're working around VR4130 errata and the macc alternatives
10123         are not available.
10124         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
10125         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
10126         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
10127         (MULTILIB_DEFAULTS): Remove leading "march=".
10128         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
10129         if no architecture option is given.
10130         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
10131         VR4130 multilibs.
10132         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
10133         * doc/invoke.texi: Document -mfix-vr4130.
10134
10135 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
10136
10137         * config/mips/mips.c (override_options): Only warn about -mint64
10138         deprecation if TARGET_INT64.
10139
10140 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10141
10142         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
10143         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
10144         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
10145         are non-specific regarding the nonnull parameter positions.
10146         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
10147         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
10148         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
10149         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
10150
10151         * builtins.def: Use the non-specific "nonnull" attibute lists.
10152
10153 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
10154
10155         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
10156         single_pred_edge, single_succ, single_pred): Improve comments.
10157
10158 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
10159
10160         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
10161         single_pred_edge, single_succ, single_pred): New inline functions.
10162         * bb-reorder.c (rotate_loop, find_traces_1_round,
10163         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
10164         duplicate_computed_gotos): Use the single_succ/pred functions.
10165         * cfganal.c (forwarder_block_p): Ditto.
10166         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
10167         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
10168         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
10169         merge_seq_blocks): Ditto.
10170         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
10171         * cfglayout.c (fixup_reorder_chain): Ditto.
10172         * cfgloop.c (mark_single_exit_loops, update_latch_info,
10173         canonicalize_loop_headers, verify_loop_structure): Ditto.
10174         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
10175         mfb_update_loops, create_preheader, force_single_succ_latches,
10176         create_loop_notes): Ditto.
10177         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
10178         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
10179         commit_one_edge_insertion, purge_dead_edges,
10180         cfg_layout_can_merge_blocks_p): Ditto.
10181         * except.c (sjlj_emit_function_enter): Ditto.
10182         * flow.c (init_propagate_block_info): Ditto.
10183         * function.c (thread_prologue_and_epilogue_insns): Ditto.
10184         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
10185         insert_insn_end_bb): Ditto.
10186         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
10187         find_if_case_2): Ditto.
10188         * lambda-code.c (perfect_nestify): Ditto.
10189         * lcm.c (optimize_mode_switching): Ditto.
10190         * loop-doloop.c (doloop_modify): Ditto.
10191         * loop-init.c (loop_optimizer_init): Ditto.
10192         * loop-iv.c (simplify_using_initial_values): Ditto.
10193         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
10194         * loop-unswitch.c (unswitch_loop): Ditto.
10195         * modulo-sched.c (generate_prolog_epilog): Ditto.
10196         * predict.c (combine_predictions_for_insn, estimate_probability,
10197         tree_estimate_probability, last_basic_block_p,
10198         estimate_bb_frequencies): Ditto.
10199         * profile.c (branch_prob): Ditto.
10200         * regrename.c (copyprop_hardreg_forward): Ditto.
10201         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
10202         * tracer.c (layout_superblocks): Ditto.
10203         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
10204         cfg_remove_useless_stmts_bb, cleanup_control_flow,
10205         cleanup_control_expr_graph, disband_implicit_edges,
10206         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
10207         tree_verify_flow_info, tree_make_forwarder_block,
10208         tree_forwarder_block_p, remove_forwarder_block,
10209         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
10210         * tree-if-conv.c (tree_if_conversion): Ditto.
10211         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
10212         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
10213         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
10214         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
10215         copy_loop_headers): Ditto.
10216         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
10217         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
10218         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
10219         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
10220         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
10221         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
10222         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
10223         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
10224         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
10225         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
10226         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
10227         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
10228         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
10229         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
10230         slpeel_add_loop_guard): Ditto.
10231
10232 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
10233
10234         PR tree-optimization/15784
10235         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
10236         and -1 - A to ~A.
10237
10238         * stmt.c (expand_case): Don't change index_type.  Convert minval
10239         to the proper type.
10240
10241         PR tree-optimization/20130
10242         * fold-const.c (fold): Fold x * -1 into -x.
10243
10244 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
10245
10246         PR rtl-optimization/20331
10247         * rtlanal.c (modified_between_p): Check its address first for MEM.
10248         (modified_in_p): Likewise.
10249
10250 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
10251
10252         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
10253
10254 2005-03-10  Steven Bosscher  <stevenb@suse.de>
10255
10256         * expr.c (expand_expr_real_1): If possible, use a conditional
10257         move for expanding MIN_EXPR and MAX_EXPR.
10258         Use temp for moving around rtx-en.
10259
10260 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
10261
10262         PR rtl-opt/20412
10263         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
10264         correct mode.
10265
10266 2005-03-10  Roger Sayle  <roger@eyesopen.com>
10267
10268         * builtins.c (expand_builtin_signbit): Extend to handle floating
10269         point modes wider than the largest integer type, using the
10270         operand_subword_force function to obtain the signbit's word.
10271
10272 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
10273
10274         PR target/20322
10275         * combine.c (try_combine): If recog_for_combine added CLOBBERs
10276         to NEWI2PAT, fail to combine if they are used by NEWPAT.
10277
10278 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
10279
10280         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
10281
10282 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
10283
10284         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
10285         type void.
10286         (perform_edge_inserts): Unconditionally call
10287         free_dominator_info.
10288
10289         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
10290
10291 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
10292
10293         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
10294
10295 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
10296
10297         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
10298
10299         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
10300         gcc_unreachable.
10301         (rtl_register_value_prof_hooks,
10302         tree_value_profile_transformations,
10303         tree_register_value_prof_hooks): Likewise.
10304         * var-tracking.c (stack_adjust_offset_pre_post,
10305         variable_htab_free, variable_union, dataflow_set_different_2,
10306         count_uses, variable_was_changed, set_frame_base_location,
10307         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
10308         vt_add_function_parameters): Likewise.
10309         * varasm.c (named_section_real, named_section, make_decl_rtl,
10310         asm_emit_uninitialised, assemble_integer, decode_addr_const,
10311         const_hash_1, compare_constant, copy_constant, force_const_mem,
10312         output_constant_pool_2, output_constant_pool_1, output_constant,
10313         output_constructor, make_decl_one_only, decl_tls_model,
10314         default_no_named_section, default_elf_select_section_1,
10315         default_unique_section_1): Likewise.
10316         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
10317         * vmsdbgout.c (addr_const_to_string): Likewise.
10318
10319         PR c++/20375
10320         * function.c (struct assign_parm_data_one): Remove last_named
10321         field.
10322         (assign_parm_find_data_types): Don't determine last_named.
10323         Reorder named_parm determination.
10324         (assign_parms): Only setup varargs on the last non-varadic
10325         parameter.
10326
10327 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
10328
10329         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
10330         sda base address on medium model.
10331
10332 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
10333
10334         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
10335         * cfgloop.c (flow_loop_nodes_find): Export.
10336         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
10337         Declare.
10338         * cfgloopmanip.c (fix_loop_structure): New function.
10339         * predict.c (predict_loops): Clean up the loops information.
10340         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
10341         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
10342         loop structure.
10343         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
10344         (rewrite_into_loop_closed_ssa): Declaration changed.
10345         * tree-loop-linear.c (linear_transform_loops): Add argument to
10346         rewrite_into_loop_closed_ssa call.
10347         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10348         * tree-ssa-loop-im.c (move_computations): Ditto.
10349         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10350         * tree-vectorizer.c (vectorize_loops): Ditto.
10351         * tree-optimize.c: Include cfgloop.h.
10352         (execute_todo): Choose whether to call cleanup_tree_cfg or
10353         cleanup_tree_cfg_loop.
10354         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
10355         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
10356         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
10357         cleanup_tree_cfg_loop call.
10358         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
10359         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
10360         work on part of cfg.
10361
10362 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
10363
10364         PR inline-asm/20314
10365         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
10366         with multiple alternatives.
10367
10368         * stmt.c (parse_output_constraint): Fix a typo.
10369
10370 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
10371
10372         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
10373         assembly directive instead of deprecated "no-generics".
10374
10375 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
10376
10377         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
10378         for non-offsettable memory references to cope with outstanding reload
10379         replacements.
10380         * config/s390/s390.md ("reload_outti"): Call find_replacement to
10381         avoid losing outstanding address reloads.
10382         ("reload_outdi", "reload_outdf"): Likewise.
10383
10384 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10385
10386         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
10387         code.  Add more cbrt transformations.
10388
10389 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10390
10391         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
10392
10393 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
10394
10395         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
10396         NULL_TREE when a given tree is not simplified.
10397         (fold): Return the original tree when any of the functions
10398         mentioned above NULL_TREE.
10399
10400         * fold-const.c (fold_unary, fold_binary): Take decomposed
10401         arguments, code, type, op0, and op1 in case of fold_binary.
10402         (fold): Update calls to fold_unary and fold_binary.
10403
10404 2005-03-09  Roger Sayle  <roger@eyesopen.com>
10405
10406         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
10407         a fndecl and an arglist instead of a CALL_EXPR, exp.
10408
10409 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
10410
10411         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
10412
10413         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
10414
10415         * expr.c (expand_assignment): Remove orig_to_rtx.
10416
10417         * fold-const.c (int_const_binop): Remove no_overflow.
10418
10419         * ifcvt.c (noce_emit_move_insn): Remove inmode.
10420
10421         * loop-iv.c (get_biv_step_1): Remove lhs.
10422
10423         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
10424
10425         * real.c (real_nan): Remove neg.
10426
10427         * function.c (thread_prologue_and_epilogue_insns): Remove i
10428         and newinsn.
10429
10430         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
10431         tb.
10432
10433         * tree-eh.c (tree_could_trap_p): Remove idx.
10434
10435         * tree-into-ssa.c (ann): Remove ann.
10436
10437         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
10438
10439         * tree-sra.c (decide_block_copy): Remove inst_count.
10440
10441         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
10442
10443         * tree-ssa-loop-im.c (lhs): Remove.
10444
10445         * cfgbuild.c (state, STATE, SET_STATE,
10446         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
10447         make_edges.
10448         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
10449         (find_basic_blocks): Set the state of each basic block to
10450         BLOCK_NEW.
10451
10452 2005-03-08  Jeff Law  <law@redhat.com>
10453
10454         * tree-cfg.c (cleanup_control_flow): If removal of a computed
10455         goto results in the removal of edges in the CFG, then we need
10456         to recompute dominators.
10457
10458 2005-03-09  Ben Elliston  <bje@au.ibm.com>
10459
10460         * c-common.c (c_do_switch_warnings): Comment fix.
10461
10462 2005-03-08  Julian Brown  <julian@codesourcery.com>
10463
10464         * Patch from 2005-03-08 reverted for causing regressions and
10465         ppc-darwin bootstrap failure.
10466
10467 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
10468
10469         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
10470         Define the real function for ppc-darwin.
10471         * c-typeck.c (convert_arguments): Check for target-specific
10472         invalid argument call to unprototyped function.
10473         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
10474         New Macro.
10475         * target.h (invalid_arg_for_unprototyped_fn): New field
10476         in struct calls.
10477         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
10478         default target hook.
10479         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
10480         Declare.
10481
10482 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10483
10484         * c-typeck.c (constructor_stack, constructor_range_stack,
10485         initializer_stack): Make them static.
10486
10487         * cfg.c (rbi_pool): Make it static.
10488
10489         * gimple-low.c (lower_stmt_body): Make it static.
10490         * tree-flow.h: Remove the corresponding prototype.  Don't
10491         declare lower_data.
10492
10493         * sched-deps.c (cache_size): Make it static.
10494
10495         * stor-layout.c (lang_adjust_rli): Make it static.
10496
10497 2005-03-08  Julian Brown  <julian@codesourcery.com>
10498
10499         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
10500         from being used for symbols with vague linkage when
10501         HAVE_GAS_COMDAT_GROUP is true.
10502
10503 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
10504
10505         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
10506         nlabel == JUMP_LABEL (jump).
10507
10508 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10509
10510         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
10511         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
10512         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
10513         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
10514
10515 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
10516
10517         PR c/14411
10518         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
10519         * c-common.c (handle_returns_twice): New function.
10520         (c_common_attribute_table): Declare eturns_twice' attribute.
10521         * doc/extend.texi: Document eturns_twice' attribute.
10522         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
10523         (struct tree_decl): Add returns_twice_flag.
10524
10525 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10526
10527         * tree-ssa-phiopt.c: Fix a comment typo.
10528
10529         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
10530         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
10531         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
10532         copyright.
10533
10534 2005-03-08  Richard Henderson  <rth@redhat.com>
10535
10536         * config/alpha/alpha.c (code_for_builtin): Replace special-case
10537         builtin codes with ctzdi2, clzdi2, popcountdi2.
10538         (struct alpha_builtin_def): Add is_const.
10539         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
10540         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
10541         (alpha_init_builtins): Init them.  Set nothrow and const attributes
10542         on builtins.
10543         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
10544         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
10545         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
10546         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
10547         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
10548         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
10549         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
10550         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
10551         (TARGET_FOLD_BUILTIN): New.
10552         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
10553         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
10554         (ffsdi2): Use ctz.
10555         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
10556
10557 2005-03-08  Ira Rosen  <irar@il.ibm.com>
10558
10559         PR tree-optimization/20122
10560         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
10561         condition of access function instead of base.
10562
10563 2005-03-07  Jeff Law  <law@redhat.com>
10564             Steven Bosscher  <stevenb@suse.de>
10565
10566         * tree-cfg.c (find_taken_edge_computed_goto): New function.
10567         (find_taken_edge): Call find_taken_edge_computed_goto as
10568         appropriate.  Allow any gimple invariant rather than just
10569         INTEGER_CST for VAL.
10570         (cleanup_control_flow): Cleanup a computed goto which has turned
10571         into a simple goto.
10572         (tree_merge_blocks): If block B has any forced labels, move
10573         them to the start of block A.
10574         * tree-ssa-dom.c (thread_across_edge): Allow threading across
10575         computed gotos as well.
10576         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
10577         removal of unnecessary computed gotos too.
10578         (lookup_redirection_data): Fix type of INSERT argument.  Callers
10579         updated.
10580
10581 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10582
10583         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
10584         Remove trailing spaces.
10585
10586         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
10587         unshare_all_trees): Make them static.
10588         * tree-gimple.h: Remove the corresponding prototypes.
10589
10590         * diagnostic.h: Remove unused prototype
10591         debug_output_buffer.
10592         * modulo-sched.c: Remove unused prototype
10593         set_row_column_for_ps.
10594
10595         * tree-ssa-phiopt.c (tree_ssa_phiopt,
10596         replace_phi_edge_with_variable): Remove unused variable i.
10597
10598 2005-03-07  Per Bothner  <per@bothner.com>
10599
10600         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
10601
10602 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
10603
10604         PR tree-opt/17671
10605         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
10606         bbs on the COND_EXPR instead of the PHI_NODEs.
10607         (candidate_bb_for_phi_optimization): Remove.
10608         (replace_phi_with_stmt): Rename to ...
10609         (replace_phi_edge_with_variable): this and change so that we
10610         replace the phi argument instead of removing the PHI.
10611         (conditional_replacement): Change so we deal with PHI with more
10612         than two arguments.
10613         (value_replacement): Likewise.
10614         (abs_replacement): Likewise.
10615
10616 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
10617
10618         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
10619         output_e500_flip_gt_bit.
10620
10621         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
10622         as bit 31.
10623         (rs6000_generate_compare): Fix logic to look at the correct bits.
10624         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
10625         Look at GT bit.
10626         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
10627         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
10628         gen_move_from_CR_gt_bit.
10629
10630         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
10631         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
10632         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
10633
10634         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
10635         (E500_CR_IOR_COMPARE): New constant.
10636
10637 2005-03-08  Earl Chew <earl_chew@agilent.com>
10638             David Billinghurst <David.Billinghurst@riotinto.com>
10639
10640         * config/i386/host-cygwin.c: New file to support precompiled
10641         headers on cygwin
10642         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
10643         * config.host: Use above files for cygwin host.
10644
10645 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
10646
10647         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
10648         ordering ops from earlier change.
10649
10650 2005-03-07  Per Bothner  <per@bothner.com>
10651
10652         Various fixes to allow us to again build if --enable-mapped-location:
10653         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
10654         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
10655         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
10656         local variable loc. Change logic appropriately.
10657         * tree-vect-transform.c (vect_finish_stmt_generation): Use
10658         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
10659         * c-parser.c (c_parser_for_statement): Initialize loc variable.
10660         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
10661         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
10662
10663 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
10664
10665         PR rtl-optimization/19683
10666         * reload1.c (choose_reload_regs): Pass the number of bits, not the
10667         number of bytes, to smallest_int_for_mode.  Fix arguments to
10668         REG_CANNOT_CHANGE_MODE_P.
10669
10670 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
10671
10672         * reorg.c (relax_delay_slots): Check that the jump is
10673         conditional before trying to invert it.
10674
10675 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
10676
10677         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
10678         Make them static.
10679
10680         * calls (stack_arg_under_construction): Make it static.
10681
10682         * flow.c (regs_live_at_setjmp): Make it static.
10683         * flow.h: Remove the corresponding prototype.
10684
10685         * reload1.c (reload_startobj, reload_firstobj,
10686         something_needs_operands_changed, reload_inherited,
10687         reload_inheritance_insn, reload_override_in,
10688         reload_spill_index): Make them static.
10689
10690         * recog.c (verify_changes): Make it static.
10691         * recog.h: Remove the corresponding prototype.
10692
10693         * cfgbuild.c (find_sub_basic_blocks): Remove.
10694         * basic-block.h: Remove the corresponding prototype.
10695         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
10696         in comments.
10697         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
10698
10699         * tree-ssa-operands.c (check_build_stmt): Remove.
10700
10701         * stor-layout.c (set_alignment): Remove.
10702         * tree.h: Remove the corresponding prototype.
10703
10704         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
10705
10706         * tree-ssa-dce.c (control_dependence_map,
10707         visited_control_parents): Make them static.
10708
10709         * cfghooks.c (verify_flow_info): Remove local variable
10710         num_bb_notes.
10711
10712         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
10713         last_bb_seen.
10714
10715         * loop-unswitch.c (unswitch_loop): Remove local variable src.
10716
10717 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
10718
10719         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
10720
10721 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
10722
10723         * config/ia64/hpux.h (LINK_SPEC): Add -z.
10724         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
10725         PARALLEL for an empty structure.
10726
10727 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
10728
10729         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
10730
10731         * fold-const.c (fold_binary): Unroll the very first "for"
10732         loop.
10733
10734 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
10735
10736         * config/rs6000/predicates.md (branch_comparison_operator): Remove
10737         redundant match_code test.
10738         (scc_comparison_operator): Swap match_operand and match_code
10739         tests.
10740         (branch_positive_comparison_operator): Same.
10741         (trap_comparison_operator): Use comparison_operator and swap with
10742         match_code test.
10743
10744 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
10745
10746         PR target/20288
10747         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
10748         (out_movhi_r_mr): Read low byte of volatile MEM first.
10749         (out_movhi_mr_r): Write high byte of volatile MEM first.
10750
10751 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
10752
10753         * cselib.c (reg_values, reg_values_size): Make them static.
10754
10755         * cse.c (cse_reg_info_table): Make it static.
10756
10757         * fold-const.c (fold_unary): Use build1 instead of copy_node.
10758
10759 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
10760
10761         * cse.c (find_best_addr): Use canon_for_address.
10762
10763 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
10764
10765         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
10766         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
10767         SUBREG and MEM, respectively.
10768
10769         * fold-const.c (fold_binary): Use code instead of t.
10770
10771         * fold-const.c (optimize_minmax_comparison): Take decomposed
10772         arguments code, type, op0, and op1 instead of t.
10773         (fold_binary): Update a call to optimize_minmax_comparison.
10774
10775         * fold-const.c (fold_range_test): Take decomposed arguments
10776         code, type, op0, and op1 instead of t.
10777         (fold_binary): Update a call to fold_range_test.
10778
10779         * fold-const.c (fold_binary_op_with_conditional_arg): Take
10780         decomposed arguments code, type, op0, and op1 instead of t.
10781         (fold_binary): Update a call to fold_range_test.
10782
10783 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
10784
10785         * fold-const.c (fold_binary): Avoid directly using the original
10786         expression t as much as possible.
10787
10788 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
10789
10790         * c-semantics.c (build_stmt): Use TYPE_P instead of
10791         IS_NON_TYPE_CODE_CLASS.
10792         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
10793         (NON_TYPE_CHECK): Use TYPE_P instead of
10794         IS_NON_TYPE_CODE_CLASS.
10795
10796         * fold-const.c (fold): Remove handling of binary expressions.
10797
10798 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
10799
10800         * doc/c-tree.texi: Wrap comments in @r{}.
10801         * doc/cpp.texi: Likewise.
10802         * doc/cppinternals.texi: Likewise.
10803         * doc/extend.texi: Likewise.
10804         * doc/md.texi: Likewise.
10805         * doc/objc.texi: Likewise.
10806         * doc/sourcebuild.texi: Likewise.
10807         * doc/tm.texi: Likewise.
10808         * doc/tree-ssa.texi
10809
10810 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
10811
10812         * predict.c (apply_return_prediction): Standardize PHI chain
10813         walking.
10814         * tree-ssa.c (ssa_redirect_edge): Likewise.
10815
10816         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
10817         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
10818         Update copyright.
10819
10820         * tree-phinodes.c (remove_phi_node): Drop the last argument.
10821         * tree-flow.h: Adjust the prototype for remove_phi_node.
10822         * lambda-code.c (perfect_nestify): Adjust a call to
10823         remove_phi_node.
10824         * tree-cfg.c
10825         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
10826         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
10827         Likewise.
10828         * tree-ssa-dce.c (remove_dead_phis): Likewise.
10829         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10830         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10831         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
10832
10833         * combine.c (simplify_and_const_int): Use gen_int_mode instead
10834         of GEN_INT (trunc_int_for_mode (...)).
10835         * loop-iv.c (iv_number_of_iterations): Likewise.
10836         * postreload.c (reload_cse_move2add): Likewise.
10837         * simplify-rtx.c (simplify_const_unary_operation,
10838         simplify_const_binary_operation): Likewise.
10839         * stor-layout.c (get_mode_bounds): Likewise.
10840
10841         * fold-const.c (fold_binary): New.
10842         (fold): Call fold_binary on binary expressions.
10843
10844 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
10845
10846         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
10847         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
10848         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
10849         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
10850         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
10851
10852 2005-03-04  Devang Patel  <dpatel@apple.com>
10853
10854         PR tree-optimization/18815
10855         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
10856         loops with zero exit edges.
10857
10858 2005-03-04  Devang Patel  <dpatel@apple.com>
10859
10860         * doc/invoke.texi: Remove reference to webpage that does not exist.
10861
10862 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
10863             Joseph S. Myers  <joseph@codesourcery.com>
10864
10865         PR c++/19797
10866         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
10867         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
10868         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
10869         * pa.c (get_plabel): Change argument to symbol_ref.  Call
10870         maybe_get_identifier instead of get_identifier.
10871         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
10872         (struct deferred_plabel): Replace name field with symbol field.
10873         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
10874         ASM_OUTPUT_EXTERNAL_REAL is defined.
10875         (output_global_address): Use output_addr_const for output of all
10876         symbol_refs.
10877         (output_deferred_plabels): Use symbol_ref instead of name for address
10878         output.
10879         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
10880         ASM_OUTPUT_SYMBOL_REF): New macros.
10881         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
10882         comment.
10883         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
10884         label.
10885
10886 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
10887
10888         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
10889         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
10890
10891 2005-03-04  Jeff Law  <law@redhat.com>
10892
10893         * basic-block.h (rediscover_loops_after_threading): Declare.
10894         * tree-ssa-dom.c: Include cfgloop.h.
10895         (tree_ssa_dominator_optimize): Discover loops and some basic
10896         properties.  Remove forwarder blocks recreated by loop header
10897         canonicalization.  Also mark backedges in the CFG.
10898         * tree-ssa-threadupdate.c: Include cfgloop.h
10899         (rediscover_loops_after_threading): Define.
10900         (struct local_info): New field, JUMP_THREADED.
10901         (prune_undesirable_thread_requests): New function.
10902         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
10903         then record that fact for the callers of redirct_edges.
10904         (thread_block): If BB has incoming backedges, then call
10905         prune_undesirable_thraed_requests.    Note when we are
10906         going to have to rediscover loop information.  Return a
10907         boolean indicating if any jumps were threaded.
10908         (thread_through_all_blocks): Bubble up boolean indicating
10909         if any jumps were threaded.
10910         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
10911         (tree-ssa-threadupdate.o): Similarly.
10912
10913 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
10914
10915         * fold-const.c (fold_ternary): Unroll the "for" loop to
10916         extract operands.
10917
10918 2005-03-04  Andrew Haley  <aph@redhat.com>
10919
10920         * unwind-dw2-fde-glibc.c (struct
10921         unw_eh_callback_data.check_cache): New field.
10922         (frame_hdr_cache): New.
10923         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
10924         Cache frame header info.
10925
10926 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
10927
10928         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
10929         (print_c_condition): Declare.
10930         * read-rtl.c (ptr_loc): New structure.
10931         (ptr_locs, ptr_loc_obstack, joined_conditions)
10932         (joined_conditions_obstack): New variables.
10933         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
10934         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
10935         (join_c_conditions, print_c_condition): New functions.
10936         (apply_macro_to_string): Associate the new string with the same
10937         source location as the old one.
10938         (add_condition_to_string): Use join_c_conditions.
10939         (read_string): Use set_rtx_ptr_loc to record a filename and line
10940         number for the string.
10941         (read_rtx): Initialize the new variables above.
10942         * genattrtab.c (write_test_expr, write_attr_value): Use
10943         print_c_condition.
10944         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
10945         comment above the GCC_VERSION check.
10946         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
10947         Inline the definition of MAYBE_EVAL.
10948         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
10949         * genoutput.c (process_template): Likewise.
10950         * genpreds.c (write_predicate_subfunction): Likewise.
10951         (write_predicate_expr): Use print_c_condition.
10952         * genrecog.c (write_cond): Likewise.
10953         * gensupport.c (process_rtx): Use join_c_conditions to join the
10954         conditions of a define_insn_and_split.  Record a source location
10955         for the string after the "&&".
10956         (alter_test_for_insn): Use join_c_conditions.
10957
10958 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
10959
10960         Revert for now:
10961         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
10962         PR tree-optimization/15784
10963         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
10964         and -1 - A to ~A.
10965
10966 2005-03-04  Ben Elliston  <bje@au.ibm.com>
10967
10968         * gcc.c (option_map): Add --coverage.
10969         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
10970         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
10971         * config/darwin.h: Pass -lgcov for `coverage'.
10972         * doc/invoke.texi (Debugging Options): Document --coverage.
10973
10974 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
10975
10976         * gcse.c (bypass_block): Use find_edge wherever possible.
10977
10978 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
10979
10980         Fix PR debug/20253
10981
10982         * c-opts.c (c_common_parse_file): Call start_source_file
10983         and end_source_file at the approriate times.
10984
10985         * dwarf2out.c (dwarf2out_finish): Don't auto-end
10986         the main file, it will be done for us now.
10987
10988 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
10989
10990         * fold-const.c (fold_ternary): New.
10991         (fold): Call fold_ternary on ternary expressions.  Remove
10992         handling of ternary expressions.
10993
10994 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
10995
10996         PR tree-optimization/15784
10997         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
10998         and -1 - A to ~A.
10999
11000 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
11001
11002         * config/rs6000/predicates.md (branch_comparison_operator):
11003         Convert from C block to conditional format.
11004
11005 2005-03-03  Jan Hubicka  <jh@suse.cz>
11006
11007         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
11008         and non-constant public variables.
11009
11010 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
11011
11012         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
11013         with LABEL_EXPR.
11014
11015         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
11016         EDGE_I.
11017
11018         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
11019         calls to release_ssa_name and release_phi_node.
11020
11021         * fold-const.c (fold): Remove handling of unary expressions.
11022
11023         * fold-const.c (fold_unary): Avoid directly using the original
11024         expression t as much as possible.
11025
11026 2005-03-03  Roger Sayle  <roger@eyesopen.com>
11027             Andrew Pinski  <pinskia@physics.uc.edu>
11028
11029         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
11030         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
11031
11032 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
11033
11034         Describe special registers SRP and MOF as allocatable registers.
11035         * config/cris/cris.c (cris_md_asm_clobbers): New function.
11036         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
11037         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
11038         TARGET_HAS_MUL_INSNS.
11039         (cris_print_operand) <case 'd'>: New case.
11040         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
11041         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
11042         define.
11043         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
11044         (REG_ALLOC_ORDER): Update for MOF.
11045         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
11046         SPECIAL_REGS.
11047         (GENERAL_REGS): No longer a define of ALL_REGS.
11048         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
11049         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11050         Adjust accordingly.
11051         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
11052         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
11053         (SECONDARY_RELOAD_CLASS): Define.
11054         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
11055         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
11056         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
11057         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
11058         (REGISTER_MOVE_COST): Define.
11059         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
11060         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
11061         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
11062         (CRIS_MOF_REGNUM): New define_constants.
11063         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
11064         special registers.
11065         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
11066         New patterns.
11067         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
11068         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
11069         Adjust for MOF being properly described as a register.
11070         (indir_to_reg_split): Name this split.  Conditionalize on the
11071         destination register being a general register.
11072         (movei): Conditionalize on on operands 0 and 1 having the same
11073         register class.
11074
11075 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
11076
11077         PR target/20277
11078         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
11079         -mcpu to override any other explicitly given flags.
11080
11081 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
11082
11083         * recog.c (verify_changes, confirm_change_group): New functions,
11084         broken out of apply_change_group.
11085         (apply_change_group): Use them.
11086         * recog.h (verify_change, confirm_change_group): Declare.
11087         * rtl.h (redirect_jump_2): Declare.
11088         * jump.c (redirect_exp, invert_exp): Delete.
11089         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
11090         (redirect_jump_2): New function, broken out of redirect_jump.
11091         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
11092         (invert_jump): Use invert_jump_1 and redirect_jump_2.
11093         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
11094
11095 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
11096
11097         * varasm.c (named_section): Use xstrdup rather than doing it by
11098         hand.
11099
11100         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
11101
11102 2005-03-02  Devang Patel  <dpatel@apple.com>
11103
11104         Undo PR tree-optimization/18815 fix.
11105
11106 2005-03-02  Devang Patel  <dpatel@apple.com>
11107
11108         PR tree-optimization/18815
11109         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
11110         loops with zero exit edges.
11111
11112 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
11113
11114         * cfg.c (connect_src, connect_dest, disconnect_src,
11115         disconnct_dest): New.
11116         (unchecked_make_edge, remove_edge, redirect_edge_succ,
11117         redirect_edge_pred): Use the new functions.
11118
11119         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
11120         free_dominance_info only when needed.
11121
11122 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
11123
11124         PR target/20276
11125         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
11126         (reg_or_sub_cint64_operand): Same.
11127
11128 2005-03-02  Jeff Law  <law@redhat.com>
11129
11130         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
11131         CFG_ALTERED in the main DOM iteration loop.
11132
11133 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
11134
11135         PR c++/19916
11136         * varasm.c (initializer_constant_valid_p): Allow conversions
11137         between OFFSET_TYPEs.  Tidy.
11138
11139 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
11140
11141         * config/cris/cris.md ("return"): Remove epilogue delay list
11142         sanity check.
11143
11144 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
11145
11146         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
11147         for Thumb.
11148         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
11149
11150 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
11151
11152         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
11153         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
11154         config/m68k/m68k.c, config/mips/mips.h,
11155         config/rs6000/rs6000-protos.h, doc/contrib.texi,
11156         doc/include/gcc-common.texi: Update copyright.
11157
11158         PR middle-end/18029 and PR middle-end/18030
11159         * expr.c (optimize_bitfield_assignment_op): Add a special case
11160         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
11161
11162         * fold-const.c (fold_unary): New.
11163         (fold): Call fold_unary on unary expressions.
11164
11165 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
11166
11167         * cgraph.h (struct cgraph_edge): Add prev_caller and
11168         prev_callee fields.
11169         (cgraph_node_remove_callees): Export.
11170         * cgraph.c (cgraph_create_edge): Initialize prev_caller
11171         and prev_callee.
11172         (cgraph_edge_remove_callee): New function.
11173         (cgraph_edge_remove_caller): Likewise.
11174         (cgraph_remove_edge): Use.
11175         (cgraph_redirect_edge_callee): Likewise.
11176         (cgraph_node_remove_callees): New function.
11177         (cgraph_node_remove_callers): Likewise.
11178         (cgraph_remove_node): Use.
11179         * tree-optimize.c (tree_rest_of_compilation): Use
11180         cgraph_node_remove_callees instead of manual loop.
11181         * cgraphunit.c (cgraph_finalize_function): Likewise.
11182         (cgraph_expand_function): Likewise.
11183         (cgraph_remove_unreachable_nodes): Likewise.
11184
11185 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
11186
11187         PR c/8927
11188         * c-tree.h (undeclared_variable, build_external_ref): Add extra
11189         argument.
11190         * c-decl.c (undeclared_variable): Take location as argument.
11191         * c-typeck.c (build_external_ref): Likewise.
11192         * c-parser.c (c_parser_postfix_expression): Pass location of
11193         identifier to build_external_ref.
11194
11195 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
11196
11197         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
11198         CCEQ mode for branch_positive_comparison_operator test.
11199         * config/rs6000/predicates (branch_comparison_operator): Revert to
11200         define_predicate.
11201         (scc_comparison_operator): Same.
11202         (branch_positive_comparison_operator): Same.
11203
11204 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
11205
11206         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
11207         (cris_delay_slots_for_epilogue): Remove.
11208         (save_last): Move into cris_target_asm_function_epilogue.
11209         (cris_target_asm_function_epilogue): Remove tests for file being
11210         NULL.
11211         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
11212         (cris_delay_slots_for_epilogue): Remove prototypes.
11213         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
11214         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
11215
11216 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
11217
11218         * config/rs6000/predicates.md (branch_comparison_operator): Change
11219         to define_special_predicate.
11220         (scc_comparison_operator): Same.
11221         (branch_positive_comparison_operator): Same.
11222
11223 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
11224
11225         * Makefile.in (tree-ssa-sink.o): New.
11226         (OBJS-common): Add tree-ssa-sink.o.
11227         * common.opt: Add -ftree-sink
11228         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
11229         * timevar.def (TV_TREE_SINK): new timevar.
11230         * tree-flow.h (is_hidden_global_store): Prototype.
11231         * tree-optimize.c (init_tree_optimization_passes): Add
11232         pass_sink_code.
11233         * tree-pass.h (pass_sink_code): New.
11234         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
11235         for non-obvious global store store to is_hidden_global_store, and
11236         call that new function.
11237         * tree-ssa-sink.c: New file.
11238         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
11239         * doc/passes.texi: Document forward store motion.
11240         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
11241         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
11242         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
11243         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
11244
11245 2005-03-01  Per Bothner  <per@bothner.com>
11246
11247         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
11248         and we have a non-zero column-number, add it to the message.
11249         Also factor out the diagnostic_kind_text.
11250
11251 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
11252
11253         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
11254         flow_loop_pre_header_scan, flow_loop_pre_header_find,
11255         flow_loop_scan): Removed.
11256         (flow_loop_dump): Do not dump removed fields.
11257         (flow_loop_free): Do not free removed fields.
11258         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
11259         (loop_exit_edge_p): New function.
11260         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
11261         num_pre_header_edges, entry_edges, num_entries, exit_edges,
11262         num_exits, exits_doms.
11263         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
11264         LOOP_EDGES, LOOP_ALL): Removed.
11265         (flow_loop_scan): Declaration removed.
11266         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
11267         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
11268         flow_loops_find.
11269         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
11270         (if_convert): Call flow_loops_find and flow_loops_free
11271         when calling mark_loop_exit_edges.
11272         * cfgloopanal.c (mark_loop_exit_edges): Moved from
11273         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
11274         free_dominance_info calls.
11275         * loop-init.c (flow_loops_find): Ditto.
11276         * passes.c (rest_of_handle_branch_prob): Ditto.
11277         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
11278         * loop-unroll.c (analyze_insns_in_loop): Do not use
11279         EDGE_LOOP_EXIT.
11280         * predict.c (predict_loops): Do not call flow_loop_scan.
11281         Use get_loop_exit_edges.
11282         (tree_estimate_probability): Do not pass flags to flow_loops_find.
11283         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
11284         Do not use EDGE_LOOP_EXIT.
11285         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
11286         to bb_with_exit_edge_p.
11287         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
11288         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
11289         to bb_with_exit_edge_p.
11290         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
11291         EDGE_LOOP_EXIT.
11292         * tree-loop-linear.c (linear_transform_loops): Do not call
11293         flow_loop_scan.  Use loop->single_exit.
11294         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
11295         (vect_analyze_loop_form): Do not call flow_loop_scan.
11296         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
11297         loop->single_exit.
11298         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
11299         loop->single_exit.
11300         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
11301         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
11302         slpeel_tree_duplicate_loop_to_edge_cfg,
11303         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
11304         Use loop_preheader_edge and loop->single_exit.  Do not call
11305         flow_loop_scan.
11306
11307 2005-03-01  Nick Clifton  <nickc@redhat.com>
11308
11309         * config/arm/arm.c (thumb_find_work_register): Check all of the
11310         argument registers to see if they are free, and a couple of
11311         special cases where the last argument register but can be proved
11312         to be available during the function's prologue.
11313         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
11314         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
11315         thumb_unexpanded_epilogue): Use unsigned long as the type for the
11316         register bit-mask.
11317         (thumb_compute_save_reg_mask): Likewise.  Also use
11318         thumb_find_work_register() to ensure that there is agreement about
11319         which work register is going to be used in the prologue.
11320         (thumb_output_function_prologue): Use unsigned long as the type
11321         for the register bit-mask.  Also delay pushing the link register if
11322         other high registers are going to be pushed.
11323         (thumb_compute_save_reg_mask, emit_multi_reg_push,
11324         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
11325         redundant prototypes.
11326
11327 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
11328
11329         PR target/19819
11330         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
11331         and after reload in REG+REG indexed addresses without REG_POINTER
11332         set in the base and not set in the index.
11333
11334 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
11335
11336         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
11337         Don't undefine here.
11338         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
11339         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
11340         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
11341         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
11342         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
11343         Delete.
11344         * config.gcc (sh*-*-linux*): Use config/linux.h.
11345
11346 2005-02-28  Dale Johannesen  <dalej@apple.com>
11347             Stan Shebs  <shebs@apple.com>
11348
11349         Rewrite of 64-bit Darwin structure-by-value pass/return.
11350         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
11351         intoffset, use_stack, named.
11352         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
11353         (rs6000_darwin64_record_arg_advance_flush):  New.
11354         (rs6000_darwin64_record_arg_advance_recurse): New.
11355         (rs6000_darwin64_record_arg_flush):  New.
11356         (rs6000_darwin64_record_arg_recurse):  New.
11357         (rs6000_darwin64_record_arg):  New.
11358         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
11359         (function_arg_boundary):  Handle 128-bit aligned structs.
11360         (function_arg_advance):  Rewrite darwin64 struct handling.
11361         (function_arg):  Call rs6000_darwin64_record_arg.
11362         (function_arg_partial_nregs):  Handle darwin64 structs.
11363         (rs6000_darwin64_function_value):  Remove.
11364         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
11365
11366 2005-02-28  Roger Sayle  <roger@eyesopen.com>
11367
11368         PR tree-optimization/20216
11369         * tree-chrec.c (tree_fold_factorial): Delete.
11370         (tree_fold_binomial): Change argument list to take a return type
11371         and change the type of K to unsigned int.  Rewrite to avoid explicit
11372         evaluation of factorials, and (recursively) calling fold to perform
11373         compile-time arithmetic.  Return NULL on (internal) overflow.
11374         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
11375         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
11376         if any intermediate calculation overflows.
11377         (chrec_apply): Update call to chrec_evaluate.
11378
11379 2005-02-28  James E Wilson  <wilson@specifixinc.com>
11380
11381         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
11382
11383 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
11384
11385         PR c/20245
11386         * c-parser.c (c_parser_compound_statement): Return error_mark_node
11387         instead of NULL_TREE on error.
11388
11389 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
11390
11391         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
11392         (EASY_VECTOR_15_ADD_SELF): Remove.
11393         (num_insns_constant_wide): Not static.
11394         (validate_condition_mode): Not static.
11395         (toc_relative_expr_p): Not static.
11396         (legitimate_indirect_address_p): Not static.
11397         (macho_lo_sum_memory_operand): Not static.
11398         (invalid_e500_subreg): Not static.
11399         (easy_vector_same): Not static.
11400         (easy_vector_splat_const): Not static.
11401         (RS6000_SYMBOL_REF_TLS_P): Remove.
11402         (any_operand): Delete.
11403         (any_parallel_operand): Delete.
11404         (count_register_operand): Delete.
11405         (altivec_register_operand): Delete.
11406         (xer_operand): Delete.
11407         (s8bit_cint_operand): Delete.
11408         (short_cint_operand): Delete.
11409         (u_short_cint_operand): Delete.
11410         (non_short_cint_operand): Delete.
11411         (exact_log2_cint_operand): Delete.
11412         (gpc_reg_operand): Delete.
11413         (cc_reg_operand): Delete.
11414         (cc_reg_not_cr0_operand): Delete.
11415         (reg_or_short_operand): Delete.
11416         (reg_or_neg_short_operand): Delete.
11417         (reg_or_aligned_short_operand): Delete.
11418         (reg_or_u_short_operand): Delete.
11419         (reg_or_cint_operand): Delete.
11420         (reg_or_arith_cint_operand): Delete.
11421         (reg_or_add_cint64_operand): Delete.
11422         (reg_or_sub_cint64_operand): Delete.
11423         (reg_or_logical_cint_operand): Delete.
11424         (got_operand): Delete.
11425         (got_no_const_operand): Delete.
11426         (easy_fp_constant): Delete.
11427         (easy_vector_constant): Delete.
11428         (easy_vector_constant_add_self): Delete.
11429         (zero_constant): Delete.
11430         (zero_fp_constant): Delete.
11431         (volatile_mem_operand): Delete.
11432         (offsettable_mem_operand): Delete.
11433         (mem_or_easy_const_operand): Delete.
11434         (add_operand): Delete.
11435         (non_add_cint_operand): Delete.
11436         (logical_operand): Delete.
11437         (non_logical_cint_operand): Delete.
11438         (mask_operand): Delete.
11439         (mask_operand_wrap): Delete.
11440         (mask64_operand): Delete.
11441         (mask64_2_operand): Delete.
11442         (and64_operand): Delete.
11443         (and64_2_operand): Delete.
11444         (and_operand): Delete.
11445         (reg_or_mem_operand): Delete.
11446         (lwa_operand): Delete.
11447         (symbol_ref_operand): Delete.
11448         (call_operand): Delete.
11449         (current_file_function_operand): Delete.
11450         (input_operand): Delete.
11451         (rs6000_nonimmediate_operand): Delete.
11452         (rs6000_tls_symbol_ref): Delete.
11453         (save_world_operation): Delete.
11454         (restore_world_operation): Delete.
11455         (load_multiple_operation): Delete.
11456         (store_multiple_operation): Delete.
11457         (vrsave_operation): Delete.
11458         (mfcr_operation): Delete.
11459         (mtcrf_operation): Delete.
11460         (lmw_operation): Delete.
11461         (stmw_operation): Delete.
11462         (branch_comparison_operator): Delete.
11463         (branch_positive_comparison_operator): Delete.
11464         (scc_comparison_operator): Delete.
11465         (trap_comparison_operator): Delete.
11466         (boolean_operator): Delete.
11467         (boolean_or_operator): Delete.
11468         (min_max_operator): Delete.
11469         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
11470         (EASY_VECTOR_15): Moved to here.
11471         (EASY_VECTOR_15_ADD_SELF): Move to here.
11472         (PREDICATE_CODES): Delete.
11473         * config/rs6000/rs6000-protos.h: Delete predicate functions.
11474         Declare functions no longer static.
11475         * config/rs6000/predicates.md: New.
11476         * config/rs6000/rs6000.md: Include predicates.md
11477
11478 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
11479
11480         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
11481         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
11482         REG_ALWAYS_RETURN.
11483         * cfgrtl.c (need_fake_edge_p): Likewise.
11484         * combine.c (distribute_notes): Likewise.
11485         * emit-rtl.c (try_split): Likewise.
11486         * recog.c (peephole2_opimize): Likewise.
11487         * reg-notes.def (ALWAYS_RETURN): Remove.
11488         * rtl.h (LCT_ALWAYS_RETURN): Remove.
11489         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
11490         * tree.h (ECF_ALWAYS_RETURN): Remove.
11491
11492 2005-02-28  Roger Sayle  <roger@eyesopen.com>
11493
11494         PR middle-end/19874
11495         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
11496         between different machine modes is never a "useless" conversion.
11497
11498 2005-02-28  Geert Bosch  <bosch@gnat.com>
11499
11500         PR ada/15977
11501         * doc/contrib.texi: List contributors for Ada front end
11502
11503 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
11504
11505         * simplify-rtx.c (simplify_unary_operation_1,
11506         simplify_const_unary_operation): New, extracted from...
11507         (simplify_unary_operation): ... this one.
11508         (simplify_binary_operation_1,
11509         simplify_const_binary_operation): New, extracted from...
11510         (simplify_binary_operation): ... this one.
11511         * rtl.h (simplify_const_unary_operation,
11512         simplify_const_binary_operation): Add prototypes.
11513
11514 2005-02-28  Julian Brown  <julian@codesourcery.com>
11515
11516         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
11517         building libjava and caused PR regression/20228.
11518
11519 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
11520
11521         PR bootstrap/17383
11522         * Makefile.in (host_subdir): New.
11523         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
11524         * configure: Regenerate.
11525
11526 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
11527
11528         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
11529         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
11530         installation directory first.
11531
11532 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
11533
11534         PR target/19065.
11535         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
11536         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
11537         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
11538         * config/cris/cris.md: Tweak comments referring to Q.
11539         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
11540         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
11541         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
11542         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
11543         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
11544         Insert spaces in constraints to align alternatives vertically for
11545         readability.
11546         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
11547         operand 1: "M".
11548
11549 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11550
11551         PR rtl-optimization/17728
11552         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
11553         operand 0 from general_operand to move_dest_operand.
11554
11555 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11556
11557         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
11558         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
11559         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
11560         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
11561
11562 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
11563
11564         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
11565         * configure: Regenerate.
11566         * libada-mk.in: Remove CC; rename
11567         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
11568
11569 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
11570
11571         PR tree-opt/20188
11572         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
11573         for the lhs, also walk over the tree.  Likewise for rhs.
11574
11575 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
11576
11577         * tree-ssa-dom.c (simple_iv_increment_p): New function.
11578         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
11579         Do not propagate value of iv before increment over the increment.
11580
11581 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
11582
11583         * c-parser.c: New file.
11584         * c-parse.in: Remove.
11585         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
11586         Remove.
11587         (c-parser.o): Add dependencies.
11588         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
11589         maintainer-clean, TAGS): Update.
11590         * c-config-lang.in (gtfiles): Update.
11591         * gengtype-lex.l: Don't handle "@@".
11592         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
11593         objc_build_synchronized, objc_begin_try_stmt,
11594         objc_begin_catch_clause, objc_finish_catch_clause,
11595         objc_build_finally_clause, objc_finish_try_stmt): New.
11596         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
11597         type_seen_p.
11598         (c_parse_init): Update comment.
11599         * c-decl.c (c_init_decl_processing): Update comment.
11600         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
11601         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
11602         new c_declspecs members.
11603
11604 2005-02-25  Julian Brown  <julian@codesourcery.com>
11605
11606         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
11607         from being used for symbols with vague linkage when
11608         HAVE_GAS_COMDAT_GROUP is true.
11609
11610 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
11611
11612         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
11613
11614 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
11615
11616         PR target/19930
11617         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
11618         (LIBGCC2_HAS_DF_MODE): New.
11619         (LIBGCC2_HAS_XF_MODE): New.
11620         (LIBGCC2_HAS_TF_MODE): New.
11621         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
11622         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
11623         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
11624         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
11625         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
11626         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
11627         and add _fixtfdi, _fixunstfdi, _floatditf
11628         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
11629         L_fixunstfdi, L_floatditf.
11630         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
11631         (LIBGCC2_HAS_TF_MODE): Define.
11632
11633 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
11634
11635         PR tree-optimization/20204
11636         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
11637         REWRITE_THIS_STMT markers on PHI nodes.
11638         (rewrite_initialize_block): Likewise.
11639
11640 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
11641
11642         * version.c (version_string): Update to 4.1.
11643
11644 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
11645
11646         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
11647         Clarify that the alternative way doesn't work in GNU C++.
11648
11649 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
11650
11651         PR tree-optimization/19937
11652         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
11653         to the type of the induction variable.
11654
11655 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
11656
11657         PR rtl-optimization/20117
11658         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
11659         the block including noncopyable insn.
11660
11661 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
11662
11663         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
11664         calls to find_reg_note.
11665
11666 2005-02-24  Richard Henderson  <rth@redhat.com>
11667
11668         PR tree-opt/20127
11669         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
11670         the type.
11671
11672 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
11673
11674         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
11675         vector types if to use base reg for misaligned non-word ld/std.
11676
11677 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
11678
11679         PR target/14619
11680         * config/cris/cris.c (cris_target_asm_function_prologue): Create
11681         dwarf2 label manually and put it after, not before the prologue.
11682
11683 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
11684
11685         PR target/19019
11686         * reload.c (operands_match_p): Only increment register number for
11687         SCALAR_INT_MODE_P modes in multiple hard registers.
11688
11689         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
11690         Fix formatting.
11691
11692 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11693
11694         * ChangeLog.5: Fix log message typo(s).
11695         * ChangeLog.7: Likewise.
11696         * ChangeLog.tree-ssa: Likewise.
11697         * cfgexpand.c: Fix comment typo(s).
11698         * conflict.c: Likewise.
11699         * defaults.h: Likewise.
11700         * dwarf2out.c: Likewise.
11701         * gcse.c: Likewise.
11702         * ggc-page.c: Likewise.
11703         * tree-eh.c: Likewise.
11704         * tree-ssa-dom.c: Likewise.
11705
11706 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
11707
11708         PR target/19019
11709         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
11710         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
11711         if SHARED is defined.
11712
11713         PR target/20196
11714         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
11715         allow splitting only if operands 0 and 3 don't overlap.
11716
11717 2005-02-24  Richard Henderson  <rth@redhat.com>
11718
11719         PR middle-end/19953
11720         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
11721         (fold_builtin_1): Call them.
11722         * fold-const.c (fold_complex_mult_parts): Split out from ...
11723         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
11724         (fold_complex_div_parts, fold_complex_div): New.
11725         (fold): Use them.
11726         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
11727
11728 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11729
11730         * tree-ssa-ccp.c (visit_assignment): Verify that result of
11731         VIEW_CONVERT_EXPR is_gimple_min_invariant.
11732
11733         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
11734         (print_node): Likewise.
11735         Print TYPE_SIZES_GIMPLIFIED.
11736
11737 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
11738
11739         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
11740         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
11741         operands as commutative in constraints.
11742
11743 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
11744
11745         * tree-into-ssa.c: Re-organize internal functions.
11746
11747 2005-02-24  Richard Henderson  <rth@redhat.com>
11748
11749         PR middle-end/18902
11750         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
11751         for c99.
11752         * common.opt (fcx-limited-range): New.
11753         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
11754         * toplev.c (flag_complex_method): Initialize to 1.
11755         (process_options): Set flag_complex_method to 0 if
11756         flag_cx_limited_range.
11757         * doc/invoke.texi (-fcx-limited-range): New.
11758
11759 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
11760
11761         * cse.c (delete_trivially_dead_insns): Speed up by using
11762         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
11763         prev_real_insn.
11764
11765 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
11766
11767         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
11768         functions when -mid-shared-library is being used.
11769
11770 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
11771
11772         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
11773         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
11774         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
11775         * system.h: Poison LINK_LIBGCC_SPECIAL.
11776
11777 2005-02-23  James E Wilson  <wilson@specifixinc.com>
11778
11779         * gengtype.c (note_insn_name): Make 1 element larger.
11780
11781 2005-02-23  Roger Sayle  <roger@eyesopen.com>
11782
11783         PR target/20018
11784         PR rtl-optimization/20097
11785         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
11786         BImode SUBREGs of SImode registers which confuse the ia64 backend.
11787
11788 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
11789
11790         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
11791         * t-aix52 (SHLIB_INSTALL): Same.
11792
11793 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
11794
11795         * genpreds.c: Update copyright.
11796
11797 2005-02-23  Michael Beach  <michaelb@ieee.org>
11798
11799         PR target/20159
11800         * config/sparc/t-elf (startup files): Assemble with CPP.
11801
11802 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
11803
11804         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
11805         (write_predicate_expr): Likewise.
11806
11807 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
11808
11809         PR tree-optimization/20100
11810         PR tree-optimization/20115
11811         * tree-optimize.c (init_tree_optimization_passes): Remove
11812         pass_maybe_create_global_var.
11813         * tree-pass.h (pass_maybe_create_global_var): Remove.
11814         * tree-ssa-alias.c (aliases_computed_p): Declare.
11815         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
11816         (count_calls_and_maybe_create_global_var): Remove.
11817         (pass_maybe_create_global_var): Remove.
11818         (init_alias_info): Do not declare aliases_computed_p.
11819         (maybe_create_global_var): If the function contains no
11820         call-clobbered variables and a mix of pure/const and regular
11821         function calls, create .GLOBAL_VAR.
11822         Mark all call-clobbered variables for renaming.
11823         (merge_pointed_to_info): Update comment.
11824         (add_pointed_to_var): Likewise.
11825         (is_escape_site): Likewise.
11826         Accept struct alias_info * instead of size_t *.
11827         Update all users.
11828         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
11829         as necessary.
11830         * tree-ssa-operands.c (get_call_expr_operands): If
11831         ALIASES_COMPUTED_P is false, do not add call-clobbering
11832         operands.
11833         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
11834         (delete_tree_ssa): Likewise.
11835
11836 2005-02-22  James E Wilson  <wilson@specifixinc.com>
11837
11838         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
11839         (do_compile): Do call it here.
11840
11841 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
11842
11843         PR rtl-optimization/20017.
11844         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
11845         rest_of_handle_cse2, rest_of_handle_gcse): Call
11846         delete_dead_jumptables immediately before calling cleanup_cfg.
11847
11848 2005-02-22  Devang Patel  <dpatel@apple.com>
11849
11850         PR 19952
11851         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
11852         all labels
11853
11854 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
11855
11856         * config/rs6000/aix.h (WINT_TYPE): Define.
11857
11858 2005-02-22  Stan Shebs  <shebs@apple.com>
11859
11860         * config/rs6000/rs6000.c (rs6000_override_options): Default to
11861         natural alignment for 64-bit Darwin.
11862         (rs6000_parse_alignment_option): Warn about uses of -malign-power
11863         on 64-bit Darwin.
11864         * doc/invoke.texi: Document this.
11865
11866 2005-02-22  DJ Delorie  <dj@redhat.com>
11867
11868         * c-common.c (c_common_type_for_mode): Pass the mode's precision
11869         to make_[un]signed_type, not the mode itself.
11870
11871 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
11872
11873         * cfg.c (cached_make_edge): Call make_edge if edge cache is
11874         not available.  Use tail calls wherever possible.
11875         (make_edge): Call unchecked_make_edge to create an edge.
11876
11877         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
11878         (coalesce_ssa_name): Don't check for
11879         SSANORM_USE_COALESCE_LIST.
11880         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
11881
11882 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
11883
11884         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
11885         (rewrite_into_ssa): ... here.
11886
11887 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
11888
11889         PR tree-optimization/19786
11890         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
11891         tag to another's may-alias bitmap when adding to the other's list.
11892
11893 2005-02-21  DJ Delorie  <dj@redhat.com>
11894
11895         * tree-ssa-loop-ivopts.c (computation_cost): Start register
11896         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
11897         registers in unsupported ways.
11898         * expmed.c (init_expmed): Likewise.
11899
11900 2005-02-21  Stan Cox  <scox@redhat.com>
11901
11902         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
11903
11904 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
11905
11906         * tree-cfg.c (fold_cond_expr_cond): New.
11907         (make_edges): Call fold_cond_expr_cond.
11908         (find_taken_edge): Accept nothing but INTEGER_CST.
11909         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
11910         and 1.
11911         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
11912
11913         * flow.c (delete_dead_jumptables): Speed up by scanning insns
11914         that do not belong to any basic block.
11915
11916 2005-02-21  Jeff Law  <law@redhat.com>
11917
11918         * cfganal.c (find_unreachable_blocks): Manually CSE load of
11919         e->dest.
11920
11921 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
11922
11923         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
11924         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
11925         Adjust their definitions.
11926         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
11927         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
11928
11929         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
11930         genautomata.c, langhooks.c, langhooks.h, system.h,
11931         config/arm/lib1funcs.asm: Update copyright.
11932
11933 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
11934
11935         * dbxout.c (dbxout_function_end): Emit Lscope label always.
11936
11937 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
11938
11939         PR bootstrap/13770
11940         * doc/install.texi: Document --with-gc.
11941
11942 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
11943
11944         * simplify-rtx.c (simplify_unary_operation): Add a missing
11945         "break" statement.
11946
11947 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
11948
11949         PR tree-optimization/18663
11950         * tree-ssa-dom.c (extract_range_from_cond): Return 0
11951         if the type has variable bounds.
11952
11953 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
11954
11955         * gcse.c: Remove an obsolete comment.
11956
11957         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
11958
11959 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
11960
11961         * doc/extend.texi (Function Attributes) <Attribute const>: The
11962         attribute "pure" is below this text, not above.
11963
11964 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11965
11966         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
11967         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
11968         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
11969
11970 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
11971
11972         PR 18785
11973         * langhooks.h (struct lang_hooks): Add to_target_charset.
11974         * langhooks.c (lhd_to_target_charset): New function.
11975         * langhooks-def.h: Declare lhd_to_target_charset.
11976         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
11977         (LANG_HOOKS_INITIALIZER): Update.
11978         * c-common.c (c_common_to_target_charset): New function.
11979         * c-common.h: Declare it.
11980         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
11981         c_common_to_target_charset.
11982
11983         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
11984         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
11985         Delete definitions.
11986         * system.h: Poison them.
11987         * doc/tm.texi: Don't discuss them.
11988         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
11989         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
11990         (pp_c_char): Do not attempt to generate letter escapes for
11991         newline, tab, etc.
11992         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
11993         * config/mips/mips.c (mips_output_ascii): Likewise.
11994
11995 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
11996
11997         PR tree-optimization/19951
11998         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
11999         is abnormal.
12000
12001 2005-02-19  Steven Bosscher  <stevenb@suse.de>
12002
12003         PR middle-end/19698
12004         * function.h (struct function): New field `max_loop_depth'.
12005         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
12006         (flow_loops_find): Reset the max loop depth count before finding loops.
12007         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
12008         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
12009         (calculate_global_regs_live): Make sure the loop will terminate
12010         when the initial sets are not empty.
12011
12012 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
12013
12014         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
12015         object inside.
12016         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
12017
12018 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
12019
12020         PR other/19525
12021         * doc/invoke.texi: Remove documentation of %M spec.
12022         * gcc.c: Likewise.
12023         (init_spec): Remove %M suffix from -lgcc_s.
12024         (do_spec_1): Remove 'M' case.
12025         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
12026         to put shared libraries in the multilib directory.  Remove the
12027         shlib_so_soname substitution variable.  Don't add a multilib encoding
12028         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
12029         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
12030         SHLIB_INSTALL as well as SHLIB_LINK.
12031         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
12032         (SHLIB_NAME): Delete.
12033         (SHLIB_DIR): New macro.
12034         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
12035         (SHLIB_INSTALL): Adjust accordingly.
12036         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
12037         * config/t-slibgcc-sld: Likewise.
12038         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
12039         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
12040         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
12041         in $(SHLIB_DIR).
12042         (SHLIBUNWIND_INSTALL): Adjust accordingly.
12043         * config/i386/t-nwld (SHLIB_SONAME): Delete.
12044         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
12045         Use @shlib_base_name@ instead of @shlib_so_name@.
12046         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
12047         and @shlib_base_name@.so in @multilib_dir@.
12048         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
12049         to the install path.
12050         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
12051         (SHLIB_LINK): Remove previous workaround.
12052         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
12053         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
12054         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
12055         the install path.
12056         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
12057         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
12058         (SHLIB_INSTALL): Adjust accordingly.
12059         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
12060         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
12061         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
12062         config/t-slibgcc-elf-ver.
12063
12064 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
12065             Jakub Jelinek  <jakub@redhat.com>
12066
12067         PR tree-optimization/19828
12068         * tree-ssa-loop-im.c: Add a TODO comment.
12069         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
12070         without side-effects.
12071
12072 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
12073
12074         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
12075         call fold_convert.
12076
12077 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
12078
12079         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
12080         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
12081         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
12082         functions.
12083         (ia64_reorg): Delete fixup_errata call.
12084         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
12085         (TARGET_SWITCHES): Delete -mb-step entry.
12086
12087 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
12088
12089         PR c/20043
12090         * c-typeck.c (composite_type): Handle quals in transparent unions.
12091         (type_lists_compatible_p): Likewise.
12092
12093 2005-02-18  Stan Shebs  <shebs@apple.com>
12094
12095         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
12096         expressions in the .literal8 section.
12097
12098 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
12099
12100         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
12101
12102 2005-02-18  Roger Sayle  <roger@eyesopen.com>
12103
12104         * fold-const.c (constant_boolean_node): Always create values of the
12105         specified type, don't bother calling truthvalue_conversion.
12106
12107 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
12108
12109         * except.c (output_function_exception_table): Call
12110         assemble_external_libcall (eh_personality_libfunc).
12111
12112 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
12113
12114         PR target/19886
12115         * config/ia64/ia64.h (struct machine_function): Add state_num.
12116         * config/ia64/ia64.c (process_epilogue,
12117         process_for_unwind_directive): Use new unwind state numbers each
12118         time rather than state 1.
12119
12120 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
12121
12122         PR target/20054
12123         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
12124         before the "*llgt_didi" pattern.
12125
12126 2005-02-18  Jason Merrill  <jason@redhat.com>
12127
12128         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
12129
12130 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
12131
12132         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
12133         (div0): Use it in place of ARM_FUNC_ALIAS.
12134         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
12135
12136 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
12137
12138         PR middle-end/20030
12139         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
12140         access, the lower bound of the array type if it exists.
12141
12142 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
12143
12144         PR c++/20008
12145         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
12146         cases that are out-of-range for the index type.
12147
12148 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
12149
12150         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
12151         (estimate_case_costs): Don't call convert.
12152         * expmed.c (expand_shift): Likewise.
12153         (make_tree): Call fold_convert instead of convert.
12154
12155 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
12156
12157         PR c++/19813
12158         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
12159         that ref to be marked MEM_READONLY_P doesn't have base that needs
12160         constructing.
12161
12162 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
12163
12164         * genautomata.c (output_get_cpu_unit_code_func,
12165         output_cpu_unit_reservation_p): Don't generate old-style function
12166         definitions.
12167
12168 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
12169
12170         PR c++/20023
12171         PR tree-optimization/20009
12172         * convert.c (convert_to_integer): Revert 2005-02-16 change.
12173
12174         PR tree-optimization/18947
12175         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
12176         inline, remove all nodes that are inlined into the extern inline
12177         being redefined.
12178
12179 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
12180
12181         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
12182         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
12183         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
12184         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
12185         Update copyright.
12186
12187 2005-02-17  Roger Sayle  <roger@eyesopen.com>
12188
12189         PR tree-optimization/19917
12190         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
12191         to be potentially trapping.
12192
12193 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
12194
12195         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
12196
12197 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
12198
12199         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
12200         tem becomes a local variable which is set to the value of the
12201         back end defined INITIAL_FRAME_ADDRESS macro.
12202         (expand_builtin_frame_address): Omit the base parameter to
12203         expand_builtin_return_addr.
12204         (expand_builtin_profile_func): Likewise.
12205         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
12206         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
12207         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
12208
12209 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
12210
12211         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
12212         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
12213         * config/frv/frv.c (frv_function_epilogue): Likewise.
12214
12215 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
12216
12217         * lambda-code (perfect_nestify): Remove mark/unmark
12218         for rewriting hack.
12219         * tree-loop-linear.c (linear_transform_loops): Add
12220         rewrite_into_ssa call so that ssa is correct for
12221         rewriting into loop closed.
12222
12223 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
12224
12225         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
12226         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
12227         BITMAP_FREE.
12228         * bt-load.c (btr_def_live_range, combine_btr_defs,
12229         migrate_btr_def, migrate_btr_defs): Likewise.
12230         * cfgcleanup.c (thread_jump): Likewise.
12231         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
12232         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
12233         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
12234         df_rd_local_compute, df_reg_info_compute): Likewise.
12235         * dominance.c (init_dom_info, free_dom_info): Likewise.
12236         * flow.c (init_propagate_block_info,
12237         free_propagate_block_info): Likewise.
12238         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
12239         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
12240         modify_reg_pav): Likewise.
12241         * loop-invariant.c (find_defs, find_invariant_insn,
12242         find_invariants, free_inv_motion_data): Likewise.
12243         * predict.c (tree_predict_by_opcode,
12244         estimate_bb_frequencies): Likewise.
12245         * stmt.c (expand_case): Likewise.
12246         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
12247         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
12248         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
12249         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
12250         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
12251         rewrite_ssa_into_ssa): Likewise.
12252         * tree-optimize.c (tree_rest_of_compilation): Likewise.
12253         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
12254         analyze_edges_for_bb, perform_edge_inserts): Likewise.
12255         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
12256         * tree-sra.c (tree_sra): Likewise.
12257         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
12258         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
12259         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
12260         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
12261         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
12262         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
12263         Likewise.
12264         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
12265         calculate_live_on_entry, calculate_live_on_exit,
12266         build_tree_conflict_graph): Likewise.
12267         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
12268         record_important_candidates, set_use_iv_cost, find_depends,
12269         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
12270         tree_ssa_iv_optimize_finalize): Likewise.
12271         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
12272         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
12273         tree_duplicate_loop_to_header_edge): Likewise.
12274         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
12275         * tree-ssa.c (verify_flow_insensitive_alias_info,
12276         verify_name_tags, verify_ssa, init_tree_ssa,
12277         delete_tree_ssa): Likewise.
12278         * tree-ssanames.c (marked_ssa_names, init_ssanames,
12279         fini_ssanames): Likewise.
12280         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
12281
12282 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
12283
12284         * config/rs6000/t-rtems: Completely reworked.
12285
12286 2005-02-17  Ira Rosen  <irar@il.ibm.com>
12287
12288         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
12289
12290 2005-02-17  Ira Rosen  <irar@il.ibm.com>
12291
12292         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
12293         POINTER_TYPE_P when checking that type is a pointer.
12294         (vect_get_memtag): Remove.
12295         (vect_address_analysis): Use POINTER_TYPE_P. Call
12296         vect_object_analysis with dummy parameter for memtag.
12297         (vect_object_analysis): Extract memtag (functionality that
12298         used to be in vect_get_memtag and moved here). Fix printings.
12299         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
12300         with correct parameters. Remove call to vect_get_memtag.
12301
12302 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
12303
12304         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
12305         (tree-vectorizer.o): Added missing dependencies.
12306
12307         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
12308         decleration.
12309         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
12310         declaration in tree-vectorizer.c, now has an extern declaration in
12311         tree-vectorizer.h).
12312         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
12313         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
12314         get_vectype_for_scalar_type, vect_is_simple_use,
12315         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
12316         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
12317         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
12318         vectorizable_store, vectorizable_operation, vectorizable_assignment,
12319         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
12320         find_loop_location): Likewise.
12321
12322         * tree-vectorizer.c (langhooks.h): #include removed.
12323         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
12324         moved to tree-vectorized.h.
12325         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
12326         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
12327         get_vectype_for_scalar_type, vect_is_simple_use,
12328         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
12329         vect_supportable_dr_alignment, new_loop_vec_info,
12330         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
12331         vect_set_verbosity_level, find_loop_location): Likewise.
12332
12333         (vect_analyze_loop): Function externalized. Declaration moved to
12334         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
12335         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
12336         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
12337         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
12338         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
12339         vect_enhance_data_refs_alignment, vect_analyze_operations,
12340         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
12341         vect_stmt_relevant_p, vect_get_loop_niters,
12342         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
12343         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
12344         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
12345         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
12346         vect_get_memtag): Likewise.
12347
12348         (vectorizable_load): Function externalized. Declaration moved to
12349         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
12350         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
12351         vect_transform_loop): Likewise.
12352         (vect_transform_stmt): Moved to tree-vect-transform.c.
12353         (vect_align_data_ref, vect_create_destination_var,
12354         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
12355         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
12356         vect_get_vec_def_for_operand, vect_init_vector,
12357         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
12358         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
12359         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
12360         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
12361         vect_do_peeling_for_loop_bound): Likewise.
12362
12363         * tree-vect-analyze.c: New file.
12364         * tree-vect-transform.c: New file.
12365
12366 2005-02-17  Jason Merrill  <jason@redhat.com>
12367
12368         PR mudflap/19319, c++/19317
12369         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
12370         slot explicit.
12371
12372 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
12373
12374         * doc/install.texi (Specific): Update link for Darwin-specific
12375         tool binary site.
12376
12377 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
12378
12379         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
12380         constant_boolean_node.
12381
12382 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
12383
12384         PR target/19019
12385         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
12386         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
12387
12388 2005-02-16  Richard Henderson  <rth@redhat.com>
12389
12390         PR 19920
12391         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
12392         with W_TYPE_SIZE.
12393         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
12394         replace uses with Wtype_MAXp1_F.
12395         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
12396         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
12397         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
12398         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
12399         and HAVE_TFMODE as appropriate.
12400         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
12401         (__floatdisf): Likewise.
12402         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
12403         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
12404         (Wtype_MAXp1_F): New.
12405         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
12406         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
12407
12408 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
12409
12410         * PR target/19162
12411         * arm.c (arm_apply_result_size): New function.
12412         * arm.h (APPLY_RESULT_SIZE): Define.
12413         * arm-protos.h (arm_apply_result_size): Add prototype.
12414         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
12415         (movxf): New expand.
12416         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
12417         (call_value_symbol): Remove predicate for operand 0.
12418         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
12419         (untyped_call): Rework to correclty return values for any type.
12420         (untyped_return): New expand.
12421         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
12422
12423 2005-02-16  Stan Shebs  <shebs@apple.com>
12424
12425         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
12426         * config/rs6000/t-darwin8: New, for 64-bit multilib.
12427
12428 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
12429
12430         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
12431         configure settings on Solaris 7 and later.
12432
12433 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
12434
12435         PR tree-optimization/19865
12436         * tree-optimize.c (init_tree_optimization_passes): Run
12437         pass_may_alias after pass_sra.
12438
12439 2005-02-16  Richard Henderson  <rth@redhat.com>
12440             Stuart Hastings  <stuart@apple.com>
12441
12442         PR debug/19521
12443         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
12444         Do nothing if debug info suppressed for this function.
12445         (dbxout_begin_function): Early exit if debug info suppressed for
12446         this function.
12447
12448 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
12449
12450         PR target/20007
12451         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
12452         find_basic_blocks.
12453         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
12454
12455         PR tree-optimization/19967
12456         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
12457         expand_builtin_strchr, expand_builtin_strrchr): Take a new
12458         argument TYPE.  Adjust calls to fold_builtin_XXX.
12459         (expand_builtin, fold_builtin_1): Adjust calls to
12460         expand_builtin_XXX.
12461         (fold_builtin_strchr, fold_builtin_strpbrk,
12462         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
12463         result to a requested type TYPE.
12464
12465 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
12466
12467         PR middle-end/19857
12468         * fold-const.c (fold): Don't optimize (T)(x & cst) to
12469         (T)x & (T)cst if (T)cst overflows.
12470         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
12471         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
12472
12473 2005-02-15  Jeff Law  <law@redhat.com>
12474
12475         * gcse.c (blocks_with_calls): New bitmap.
12476         (alloc_gcse_mem): Allocate it.
12477         (free_gcse_mem): Free it.
12478         (clear_modifY_mem_tables): Clear it.
12479         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
12480         when we encounter CALL_INSNs.
12481         (compute_transp, case MEM): Handle blocks with calls separate
12482         from blocks without calls.  Use bitmap iterators rather than
12483         FOR_EACH_BB.
12484
12485 2005-02-15  Peter O'Gorman  <peter@pogma.com>
12486
12487         PR bootstrap/18810
12488         * mklibgcc.in (vis_hide): Use a temporary object file, not
12489         -o /dev/null.
12490
12491 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
12492
12493         PR target/19924
12494         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
12495         access optimization.
12496
12497 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
12498             Alan Modra  <amodra@bigpond.net.au>
12499
12500         PR target/19019
12501         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
12502         (_xlqsub): Rename to __gcc_qsub.
12503         (_xlqmul): Rename to __gcc_qmul.
12504         (_xlqdiv): Rename to __gcc_qdiv.
12505         Provide versioned symbol aliases with old names.
12506         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
12507         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
12508         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
12509         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
12510         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
12511
12512 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
12513
12514         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
12515         Fold ~(A - 1) and ~(A + -1) to -A.
12516
12517 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
12518
12519         PR pch/14940
12520         PR target/19300
12521         * config/host-linux.c (linux_gt_pch_use_address): Copy from
12522         config/pa/pa-host.c:pa_gt_pch_use_address.
12523
12524 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
12525
12526         * tree-vn.c (get_value_handle): Make sure that given an
12527         is_gimple_min_invariant expression, we always return it.
12528
12529 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
12530
12531         * passes.c (rest_of_handle_gcse): Fix a comment.
12532
12533 2005-02-15  Jeff Law  <law@redhat.com>
12534
12535         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
12536         bitmap.
12537         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
12538         (canon_list_insert, record_last_mem_set_info): Similarly.
12539         (clear_modify_mem_tables): Similarly.
12540
12541 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
12542
12543         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
12544         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
12545         config/mips/mips.md, config/rs6000/aix.h,
12546         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
12547
12548 2005-02-15  Richard Henderson  <rth@redhat.com>
12549
12550         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
12551         call to be best_edge.
12552
12553 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
12554
12555         * basic-block.h: Adjust the prototype for find_basic_blocks.
12556         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
12557         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
12558         find_basic_blocks.
12559
12560         * flow.c (recompute_reg_usage): Remove all arguments.
12561         * passes.c (rest_of_compilation): Adjust the call to
12562         recompute_reg_usage.
12563         * rtl.h: Adjust the prototype for recompute_reg_usage.
12564
12565 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
12566
12567         * tree-dump.c (dump_files): Update to reflect new member
12568         of dump_file_info.
12569         (dump_register): Add new argument.
12570         Set glob name.
12571         (dump_switch_p_1): Check against glob name if doglob was passed.
12572         (dump_switch_p): Check against regular first, then glob if
12573         we didn't have any hits on the dump name.
12574         * tree-optimize.c (register_one_dump_file):
12575         Pass in glob name as well.
12576         * tree-pass.h (struct dump_file_info): Add glob
12577         member.
12578
12579 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
12580
12581         PR preprocessor/16323
12582         * doc/invoke.texi: Document that -Wendif-labels is on by default.
12583
12584 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
12585
12586         PR target/19019
12587         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
12588         (trunctfdf2_internal1): New.
12589         (trunctfdf2_internal2): Renamed from trunctfdf2.
12590
12591 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
12592
12593         PR tree-optimization/19853
12594         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
12595
12596 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
12597
12598         * passes.c (rest_of_handle_loop_optimize): Remove calls to
12599         delete_dead_jumptables and cleanup_cfg.
12600
12601 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
12602
12603         * reload.c (find_reloads): Swap address_reloaded flags when
12604         swapping commutative operands.
12605
12606 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
12607
12608         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
12609         Use standard_iv_increment_position for computing the bsi position
12610         for create_iv.
12611         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
12612         the bsi position.
12613
12614 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
12615
12616         PR target/17428
12617         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
12618         life range of hard registers.
12619         * value-prof.c (insn_prefetch_values_to_profile): Only
12620         scan normal insns.
12621
12622         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
12623         profile in libcalls.
12624
12625 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
12626
12627         * bitmap.h (bitmap_and_compl_into): Return bool.
12628         * bitmap.c (bitmap_and_compl_into): Return changed flag.
12629
12630 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
12631
12632         PR tree-optimization/19944
12633         * fold-const.c (fold): Re-add ABS_EXPR folding.
12634
12635 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
12636
12637         PR target/19019
12638         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
12639         {TARGET,MASK}_XL_COMPAT.
12640         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
12641         MASK_XL_COMPAT.
12642         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
12643         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
12644         TARGET_XL_COMPAT.
12645         (rs6000_arg_partial_bytes): Same.
12646         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
12647         and XL compatibility enabled.
12648         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
12649         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
12650         test to final condition.
12651         (cmptf_internal2): New.
12652         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
12653         xl-compat.  Add TFmode information to description.
12654
12655 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
12656
12657         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
12658
12659 2005-02-13  Jason Merrill  <jason@redhat.com>
12660
12661         PR c++/16405
12662         * fold-const.c (fold_indirect_ref_1): Split out from...
12663         (build_fold_indirect_ref): Here.
12664         (fold_indirect_ref): New fn.
12665         * tree.h: Declare it.
12666         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
12667         (gimplify_modify_expr_rhs): Likewise.
12668         (gimplify_expr): Likewise.
12669
12670 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
12671
12672         PR tree-optimization/14303
12673         PR tree-optimization/15784
12674         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
12675         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
12676         ABS_EXPR<x> != 0 to x != 0.
12677
12678 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
12679
12680         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
12681         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
12682         spelling conventions.
12683
12684         * passes.c (rest_of_handle_gcse): Don't run cse_main and
12685         delete_trivially_dead_insns too many times.
12686
12687         * passes.c (rest_of_handle_gcse): Remove dead assignments to
12688         tem and tem2.
12689
12690 2005-02-12  Ira Rosen  <irar@il.ibm.com>
12691
12692         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
12693         (vect_is_simple_iv_evolution): Remove redundant parameter
12694         and step check.
12695         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
12696         without last parameter.
12697         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
12698         Return pointer step. Call vect_is_simple_iv_evolution without
12699         last parameter. Check only that the step is multiple of size
12700         type. Remove stmt_vinfo updates.
12701         (vect_get_memtag_and_dr): Remove.
12702         (vect_get_memtag): New function.
12703         (vect_address_analysis): New function.
12704         (vect_object_analysis): New function.
12705         (vect_analyze_data_refs): Call vect_object_analysis and
12706         vect_get_memtag. Update stmt_vinfo fields.
12707
12708 2005-02-12  Ira Rosen  <irar@il.ibm.com>
12709
12710         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
12711         exist and are objects. Remove checks for pointer.
12712         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
12713         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
12714         (vect_create_data_ref_ptr): Likewise.
12715         (vect_base_addr_differ_p): New function.
12716         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
12717         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
12718         Don't set the DR_BASE_NAME field of data-ref.
12719         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
12720
12721 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
12722
12723         * optabs.h (enum optab_index): Add new OTI_ldexp.
12724         (ldexp_optab): Define corresponding macro.
12725         * optabs.c (init_optabs): Initialize ldexp_optab.
12726         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
12727         patterns.
12728         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
12729         using ldexp_optab.
12730         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
12731         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
12732
12733         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
12734         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
12735         intrinsics.
12736
12737 2005-02-12  Ira Rosen  <irar@il.ibm.com>
12738
12739         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
12740         to base_address.
12741         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
12742         stmt_vec_info.
12743         (vect_get_base_and_offset): Always return an address.
12744         (vect_create_addr_base_for_vector_ref): Remove treatment for
12745         different data reference types.
12746         (vect_compute_data_ref_alignment): Rename base to base_address in
12747         stmt_vec_info. Get the object in order to force its alignment.
12748         (vect_get_memtag_and_dr): Rename base to base_address in
12749         stmt_vec_info. Extract the object for memtag analysis.
12750
12751 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
12752
12753         PR regression/19898.
12754         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
12755         changes cc_status, use apply modified_in_p to part of cc_status
12756         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
12757         body.
12758
12759 2005-02-11  Richard Henderson  <rth@redhat.com>
12760
12761         * tree-complex.c (expand_complex_libcall): New.
12762         (expand_complex_multiplication): Use it for c99 compliance.
12763         (expand_complex_division): Likewise.
12764         * fold-const.c (fold_complex_add, fold_complex_mult): New.
12765         (fold): Call them.
12766         * builtins.c (built_in_names): Remove const.
12767         * tree.c (build_common_builtin_nodes): Build complex arithmetic
12768         builtins.
12769         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
12770         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
12771         (built_in_names): Remove const.
12772         * c-common.c (c_common_type_for_mode): Handle complex modes.
12773         * flags.h, toplev.c (flag_complex_method): Rename from
12774         flag_complex_divide_method.
12775         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
12776         __mulsc3, __muldc3, __mulxc3, __multc3): New.
12777         * libgcc2.h: Declare them.
12778         * libgcc-std.ver: Export them.
12779         * mklibgcc.in (lib2funcs): Build them.
12780
12781 2005-02-11  Steven Bosscher  <stevenb@suse.de>
12782
12783         PR tree-optimization/19876
12784         Partially revert my change from 2005-01-14
12785         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
12786         (compute_antic): ...and remove the loop here.
12787
12788 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
12789
12790         PR middle-end/19858
12791         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
12792         is number of inner's bits, avoid creating a BIT_FIELD_REF.
12793
12794         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
12795         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
12796
12797 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
12798
12799         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
12800         offsets for the big-endian 32-bit case.
12801
12802 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
12803
12804         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
12805
12806 2005-02-11  Dale Johannesen  <dalej@apple.com>
12807
12808         * cselib.c (cselib_process_insn):  Clear out regs where
12809         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
12810         * reload.c (find_equiv_reg): Ditto.
12811
12812 2005-02-11  Ian Lance Taylor  <ian@airs.com>
12813
12814         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
12815         with no elements.
12816
12817         * tree.c (build_function_type_list): Work correctly if there are
12818         no arguments.
12819
12820 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
12821
12822         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
12823         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
12824         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
12825         TARGET_ZARCH instead of TARGET_64BIT.
12826
12827 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
12828
12829         * config/rs6000/t-rtems:
12830         (MULTILIB_OPTIONS): Remove mcpu=602.
12831         (MUTLILIB_DIRNAMES): Remove m602.
12832         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
12833         Let mcpu=602 match mcpu=603.
12834         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
12835
12836 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12837
12838         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
12839         signal trampolines.
12840
12841 2005-02-10  David Daney  <ddaney@avtrex.com>
12842
12843         * config/alpha/linux-unwind.h: Add exception clause to copyright.
12844         * config/i386/linux-unwind.h: Likewise.
12845         * config/ia64/linux-unwind.h: Likewise.
12846         * config/mips/linux-unwind.h: Likewise.
12847         * config/pa/linux-unwind.h: Likewise.
12848         * config/rs6000/linux-unwind.h: Likewise.
12849         * config/s390/linux-unwind.h: Likewise.
12850         * config/sh/linux-unwind.h: Likewise.
12851         * config/sparc/linux-unwind.h: Likewise.
12852
12853 2005-02-10  Steven Bosscher  <stevenb@suse.de>
12854
12855         PR tree-optimization/17549
12856         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
12857         TER to replace a DEF with its expression if the DEF and the
12858         rhs of the expression we replace into have the same root
12859         variable.
12860
12861 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
12862
12863         * config/mips/mips.md: Fix the placement of the match_scratch in the
12864         lea64 peephole2.
12865
12866 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
12867
12868         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
12869         Fix comment typos.
12870
12871 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
12872
12873         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
12874         (strip_offset): Handle addresses.
12875         (add_address_candidates): Use strip_offset.
12876         (difference_cost): Reflect strip_offset change.
12877         (force_var_cost, difference_cost): Strip nops.
12878
12879 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
12880
12881         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
12882
12883         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
12884         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
12885         config/cris/cris-protos.h, config/cris/cris.c: Update
12886         copyright.
12887
12888 2005-02-10  Jeff Law  <law@redhat.com>
12889
12890         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
12891         (lookup_avail_expr): Similarly.
12892
12893 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
12894
12895         * builtins.c (fold_builtin_powi): New function.
12896         (fold_builtin_1): Call it.
12897
12898 2005-02-10  Steven Bosscher  <stevenb@suse.de>
12899
12900         PR documentation/19309
12901         * doc/cpp.texi: The __GNUC__ and related predefined macros
12902         are also defined for the "standalone" cpp.
12903         Some non-GCC compilers may also define __GNUC__.
12904
12905 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
12906
12907         PR c/19342
12908         * c-typeck.c (common_type): New routine.  Old common_type renamed
12909         to...
12910         (c_common_type): ...this.
12911         (build_conditional_expr, build_binary_op): Use c_common_type instead
12912         of common_type.
12913
12914 2005-02-10  Steven Bosscher  <stevenb@suse.de>
12915
12916         * doc/md.texi: Replace @samp{length} with @code{length}.
12917
12918 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
12919
12920         PR tree-optimization/18687
12921         * tree-flow.h (find_loop_niter): Declare.
12922         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
12923         Try using scev even for loops with more than one exit.
12924         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
12925         (struct ivopts_data): Added niters field.
12926         (struct nfe_cache_elt): New.
12927         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
12928         functions.
12929         (tree_ssa_iv_optimize_init): Initialize niters cache.
12930         (determine_number_of_iterations): Removed.
12931         (find_induction_variables): Do not call determine_number_of_iterations.
12932         Access niters for single exit through niter_for_single_dom_exit.
12933         (add_iv_outer_candidates): Access niters for single exit through
12934         niter_for_single_dom_exit.
12935         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
12936         number_of_iterations_cond.
12937         (iv_period): New function.
12938         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
12939         (may_replace_final_value): Take data argument.  Use
12940         niter_for_single_dom_exit.
12941         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
12942         (rewrite_use_compare): Pass data to may_eliminate_iv.
12943         (rewrite_use_outer): Pass data to may_replace_final_value.
12944         (free_loop_data): Clean up the niters cache.
12945         (tree_ssa_iv_optimize_finalize): Free the niters cache.
12946         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
12947         * tree-ssa-loop-niter.c (find_loop_niter): New function.
12948         (find_loop_niter_by_eval): Use tree_int_cst_lt.
12949         (num_ending_zeros): Moved to tree.c.
12950         * tree.h (num_ending_zeros): Declare.
12951         * tree.c (num_ending_zeros): Moved from tree.c.
12952
12953 2005-02-09  Richard Henderson  <rth@redhat.com>
12954
12955         * builtins.c (DEF_BUILTIN): Add COND argument.
12956         * tree.h (DEF_BUILTIN): Likewise.
12957         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
12958         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
12959         match.
12960         (DEF_BUILTIN_STUB): New.
12961         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
12962         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
12963         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
12964         * c-common.c (DEF_BUILTIN): Add COND argument.
12965         * tree.c (local_define_builtin): New.
12966         (build_common_builtin_nodes): New.
12967
12968 2005-02-09  Roger Sayle  <roger@eyesopen.com>
12969
12970         * fold-const.c (fold_strip_sign_ops): New function to simplify a
12971         floating point expression ignoring the sign of the result.
12972         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
12973         (fold) <MULT_EXPR>: Use it to simplify x*x.
12974         * tree.h (fold_strip_sign_ops): Prototype here.
12975         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
12976         argument.  Use fold_strip_sign_ops to simplify the first argument.
12977         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
12978         first argument when the second argument is an even integer
12979         constant, but only with -funsafe_math_optimizations.
12980         (fold_builtin_1): Update call to fold_builtin_copysign.
12981
12982 2005-02-09  Ian Lance Taylor  <ian@airs.com>
12983
12984         PR middle-end/19583
12985         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
12986         just check whether EH_FILTER_FAILURE falls through.
12987
12988 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
12989
12990         * gcc/haifa-sched.c (schedule_block): Make queued sched group
12991         insns return to ready list in the next turn.
12992
12993 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
12994
12995         PR middle-end/19402
12996         * builtins.def: New __builtin_powi[lf].
12997         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
12998         (expand_builtin_powi): New function.
12999         (expand_builtin): Dispatch to expand_builtin_powi.
13000         * libgcc2.h: Add prototypes for __builtin_powi[lf].
13001         * libgcc2.c: Add __builtin_powi[lf] implementation.
13002         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
13003         * optabs.h: Add powi_optab.
13004         * optabs.c (init_optabs): Initialize powi_optab.
13005         * doc/extend.texi: Document __builtin_powi[lf].
13006
13007 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
13008
13009         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
13010         exists.
13011
13012 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
13013
13014         PR middle-end/19854
13015         * fold-const.c (try_move_mult_to_index): Remove redundant
13016         type argument.  Create ADDR_EXPR with correct type.
13017         (fold): Update callers of try_move_mult_to_index.  Convert
13018         result to the appropriate type.
13019
13020 2005-02-09  Roger Sayle  <roger@eyesopen.com>
13021
13022         PR target/19597
13023         * config/avr/avr.c (default_rtx_costs): Delete.
13024         (avr_operand_rtx_cost): New function.
13025         (avr_rtx_costs): Completely rewrite.
13026
13027 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
13028
13029         PR target/19806
13030         * config/cris/cris.c (in_code): New variable.
13031         (cris_output_addr_const): Now a static function, a wrapper for
13032         output_addr_const.
13033         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
13034         case from old cris_output_addr_const.
13035         (cris_asm_output_label_ref): Similar for LABEL_REF.
13036         (cris_output_addr_const_extra): Similar for UNSPEC.
13037         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
13038         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
13039         * config/cris/cris-protos.h (cris_output_addr_const): Remove
13040         declaration.
13041         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
13042         (cris_asm_output_label_ref): Declare.
13043
13044 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
13045
13046         PR preprocessor/19801
13047         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
13048         filenames that changed when libcpp was moved to the toplevel.
13049
13050 2005-02-07  Roger Sayle  <roger@eyesopen.com>
13051
13052         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
13053         zero extensions of BImode operands.  Call lowpart_subreg instead
13054         of gen_lowpart_common and gen_lowpart_SUBREG.
13055
13056 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
13057
13058         PR ada/19489
13059         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
13060         * configure.ac: Set cc_for_cross_gnattools.
13061         * configure: Regenerate.
13062
13063 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
13064
13065         PR target/19803
13066         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
13067
13068 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13069
13070         PR debug/19327
13071         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
13072         of nested functions.
13073
13074 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
13075
13076         * doc/extend.texi: Document deprecated extensions allowing
13077         static floating-point members to have initializers and allowing
13078         floating-point literals in integral constant expressions.
13079
13080 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
13081
13082         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
13083         config/darwin7.h, config/mips/mips.c,
13084         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
13085         Update copyright.
13086
13087         * cse.c: Update comments.
13088
13089 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
13090
13091         PR middle-end/19775
13092         * builtins.c (fold_builtin_sqrt): Transform
13093         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
13094         pow(x,y*0.5).
13095
13096 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
13097             Dorit Naishlos  <dorit@il.ibm.com>
13098
13099         * doc/invoke.texi (ftree-vectorizer-verbose): New.
13100         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
13101         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
13102         was added.
13103         * tree.h (vect_set_verbosity_level): New extern function declaration
13104         added.
13105         * tree-vectorizer.h (verbosity_levels): New enum type.
13106         * tree-vectorizer.c (vect_debug_stats): Function removed.
13107         (vect_debug_details): Likewise.
13108         (vect_verbosity_level): Global variable was defined and initialized.
13109         (vect_dump): Global variable definition.
13110         (vect_print_dump_info): New function.
13111         (vect_set_dump_settings): New function.
13112         (vect_set_verbosity_level): New function.
13113         (vectorize_loops): Add call to vect_set_dump_settings.
13114
13115         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
13116         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
13117         (slpeel_tree_peel_loop_to_edge): Likewise.
13118
13119         (vect_analyze_offset_expr): Call to vect_print_dump_info with
13120         appropriate verbosity level instead of call to vect_debug_details
13121         or vect_debug_stats.
13122         (vect_get_base_and_offset):
13123         (vect_create_addr_base_for_vector_ref):
13124         (get_vectype_for_scalar_type):
13125         (vect_create_data_ref_ptr):
13126         (vect_init_vector):
13127         (vect_get_vec_def_for_operand):
13128         (vect_finish_stmt_generation):
13129         (vectorizable_assignment):
13130         (vectorizable_operation):
13131         (vectorizable_store):
13132         (vectorizable_load):
13133         (vect_transform_stmt):
13134         (vect_update_ivs_after_vectorizer):
13135         (vect_do_peeling_for_loop_bound):
13136         (vect_update_inits_of_drs):
13137         (vect_do_peeling_for_alignment):
13138         (vect_transform_loop):
13139         (vect_is_simple_use):
13140         (vect_analyze_operations):
13141         (vect_is_simple_iv_evolution):
13142         (vect_analyze_scalar_cycles):
13143         (vect_analyze_data_ref_dependence):
13144         (vect_analyze_data_ref_dependences):
13145         (vect_compute_data_ref_alignment):
13146         (vect_enhance_data_refs_alignment):
13147         (vect_analyze_data_refs_alignment):
13148         (vect_analyze_data_ref_access):
13149         (vect_analyze_data_ref_accesses):
13150         (vect_analyze_pointer_ref_access):
13151         (vect_get_memtag_and_dr):
13152         (vect_analyze_data_refs):
13153         (vect_mark_relevant):
13154         (vect_stmt_relevant_p):
13155         (vect_mark_stmts_to_be_vectorized):
13156         (vect_can_advance_ivs_p):
13157         (vect_get_loop_niters):
13158         (vect_analyze_loop_form):
13159         (vect_analyze_loop):
13160         (vectorize_loops): Likewise.
13161
13162         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
13163         (vect_update_inits_of_drs):
13164         (vect_do_peeling_for_alignment):
13165         (vect_transform_loop):
13166         (vect_analyze_operations):
13167         (vect_analyze_scalar_cycles):
13168         (vect_analyze_data_ref_dependences):
13169         (vect_analyze_data_refs_alignment):
13170         (vect_analyze_data_ref_accesses):
13171         (vect_analyze_data_refs):
13172         (vect_mark_stmts_to_be_vectorized):
13173         (vect_get_loop_niters):
13174         (vect_analyze_loop_form):
13175         (vect_analyze_loop): Likewise.
13176         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
13177
13178 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
13179
13180         PR bootstrap/19796
13181         Revert:
13182         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
13183         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
13184         either -ffast-math or -funsafe-math-optimizations is in use.
13185
13186         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
13187         * config/mips/irix-csr.c: New file.
13188         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
13189         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
13190         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
13191         executables.
13192
13193 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
13194
13195         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
13196         redundant, incorrect definitions.
13197
13198         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
13199         expand.
13200         ("*tls_indirect_call"): New, reference hard regs directly.
13201         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
13202
13203 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
13204
13205         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
13206         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
13207
13208 2005-02-06  Roger Sayle  <roger@eyesopen.com>
13209
13210         PR rtl-optimization/19800
13211         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
13212         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
13213         gen_lowpart.
13214
13215 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
13216
13217         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
13218
13219 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
13220
13221         PR other/17135
13222         * doc/invoke.texi: Correct documentation of -freorder-functions.
13223
13224 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
13225
13226         PR other/14402
13227         * doc/invoke.texi: Don't mention gccbug.
13228
13229 2005-02-06  Roger Sayle  <roger@eyesopen.com>
13230             Andrew Pinski  <pinskia@physics.uc.edu>
13231             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
13232
13233         * simplify-rtx.c (simplify_relational_operation_1): Simplify
13234         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
13235         into just (zero_extract:SI FOO (const_int 1) BAR).
13236
13237 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
13238
13239         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
13240         macro locally.  Don't give last revision date.  Use GCC version
13241         number from gcc-common.texi.
13242         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
13243         revision date.  Use GCC version number from gcc-common.texi.
13244         Describe being a library as current state rather than as 3.x
13245         history.
13246         * doc/gcc.texi: Remove last update date.
13247         * doc/gccint.texi: Likewise.  Update copyright dates.
13248         * doc/install.texi: Update copyright dates.
13249
13250 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
13251
13252         PR other/7549
13253         * doc/invoke.texi: Mention for each option included in -Wall that
13254         it is included in -Wall.
13255         * doc/gcc.texi: Update copyright and last modification date.
13256
13257 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
13258
13259         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
13260         unnecessary cast to original induction variable increments.
13261
13262 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
13263
13264         PR tree-optimization/18219
13265         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
13266         in distributed form.
13267
13268 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
13269
13270         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
13271         Set bitpos and offset later in the function.  Do nothing if the
13272         target is a register and if the bitfield lies completely outside
13273         that register.
13274         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
13275         here.  Return an uninitialised register if the source value is stored
13276         in a register and the bitfield lies completely outside that register.
13277
13278 2005-02-06  Steven Bosscher  <stevenb@suse.de>
13279
13280         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
13281         not SET_DEST.
13282
13283 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
13284
13285         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
13286
13287 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
13288
13289         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
13290         * config/darwin8.h: New.
13291         * config/darwin7.h: Update comment.
13292
13293 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
13294             Dorit Naishlos  <dorit@il.ibm.com>
13295
13296         * tree-vectorizer.h (LOC): New type.
13297         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
13298         (loop_line_number): New field in struct _loop_vec_info.
13299         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
13300
13301         * tree-vectorizer.c (input.h): Included.
13302         (find_loop_location): New function.
13303         (vect_debug_stats): Argument changed from loop to LOC. Computation of
13304         loop line number removed.
13305         (vect_debug_details): Likewise.
13306         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
13307
13308         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
13309         call to vect_debug_details/stats changed from loop to loop_loc.
13310         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
13311         (slpeel_tree_peel_loop_to_edge): Likewise.
13312
13313         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
13314         changed from NULL to UNKNOWN_LOC.
13315         (vect_get_base_and_offset):
13316         (vect_create_addr_base_for_vector_ref):
13317         (get_vectype_for_scalar_type):
13318         (vect_create_data_ref_ptr):
13319         (vect_init_vector):
13320         (vect_get_vec_def_for_operand):
13321         (vect_finish_stmt_generation):
13322         (vectorizable_assignment):
13323         (vectorizable_operation):
13324         (vectorizable_store):
13325         (vectorizable_load):
13326         (vect_transform_stmt):
13327         (vect_update_ivs_after_vectorizer):
13328         (vect_do_peeling_for_loop_bound):
13329         (vect_do_peeling_for_alignment):
13330         (vect_transform_loop):
13331         (vect_is_simple_use):
13332         (vect_analyze_operations):
13333         (vect_is_simple_iv_evolution):
13334         (vect_analyze_scalar_cycles):
13335         (vect_analyze_data_ref_dependences):
13336         (vect_compute_data_ref_alignment):
13337         (vect_enhance_data_refs_alignment):
13338         (vect_analyze_data_ref_access):
13339         (vect_analyze_data_ref_accesses):
13340         (vect_analyze_pointer_ref_access):
13341         (vect_get_memtag_and_dr):
13342         (vect_analyze_data_refs):
13343         (vect_mark_relevant):
13344         (vect_stmt_relevant_p):
13345         (vect_mark_stmts_to_be_vectorized):
13346         (vect_can_advance_ivs_p):
13347         (vect_get_loop_niters):
13348         (vect_analyze_loop):
13349         (vectorize_loops): Likewise.
13350
13351         (vectorizable_load): Argument in call to vect_debug_details/stats
13352         changed from loop to LOOP_LOC (loop_vinfo).
13353         (vect_transform_loop):
13354         (vect_analyze_operations):
13355         (vect_analyze_scalar_cycles):
13356         (vect_analyze_data_ref_dependence):
13357         (vect_enhance_data_refs_alignment):
13358         (vect_analyze_data_ref_accesses):
13359         (vect_analyze_pointer_ref_access):
13360         (vect_analyze_data_refs):
13361         (vect_analyze_loop): Likewise.
13362
13363         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
13364         changed from loop to loop_loc.
13365
13366         (vect_enhance_data_refs_alignment): Removed unused variable loop.
13367
13368 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
13369             Dorit Naishlos  <dorit@il.ibm.com>
13370
13371         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
13372         declaration added.
13373         (vect_analyze_data_ref_dependences): Likewise.
13374
13375         (vect_is_simple_use): Argument changed from loop structure to
13376         loop_vect_info structure.
13377         (vect_can_advance_ivs_p): Likewise.
13378         (vect_create_index_for_vector_ref): Likewise.
13379         (vect_update_ivs_after_vectorizer): Likewise.
13380         (new_stmt_vec_info): Likewise.
13381
13382         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
13383         changed from loop to loop_vinfo.
13384         (vect_create_data_ref_ptr): First argument in call to
13385         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
13386         (vectorizable_assignment): Second argument in call to vect_is_simple_use
13387         was changed from loop to loop_vinfo.
13388         (vectorizable_operation): Likewise.
13389         (vectorizable_store): Likewise.
13390         (vect_mark_stmts_to_be_vectorized): Likewise.
13391         (vect_do_peeling_for_loop_bound): First argument in call to
13392         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
13393         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
13394         was changed from loop to loop_vinfo.
13395         (vect_analyze_data_ref_dependences): Third argument in call to
13396         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
13397
13398         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
13399         (vect_create_data_ref_ptr): Likewise.
13400         (vect_init_vector): Likewise.
13401         (vect_get_vec_def_for_operand): Likewise.
13402         (vectorizable_assignment): Likewise.
13403         (vectorizable_operation): Likewise.
13404         (vectorizable_store): Likewise.
13405         (vectorizable_load): Likewise.
13406         (vect_update_ivs_after_vectorizer): Likewise.
13407         (vect_is_simple_use): Likewise.
13408         (vect_analyze_data_ref_dependence): Likewise.
13409         (vect_analyze_pointer_ref_access): Likewise.
13410         (vect_can_advance_ivs_p): Likewise.
13411
13412         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
13413         before _stmt_vec_info.
13414         (_stmt_vec_info): Loop field replaced by loop_vec_info.
13415         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
13416         (new_stmt_vec_info): Argument changed from loop structure to
13417         loop_vect_info structure
13418
13419         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
13420         (vect_analyze_offset_expr): Avoid 80 columns overflow.
13421         (vect_create_addr_base_for_vector_ref): Likewise.
13422         (vect_analyze_pointer_ref_access): Likewise.
13423
13424 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
13425
13426         PR tree-opt/19768
13427         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
13428         phi flag if the phi is abnormal.
13429
13430 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
13431
13432         PR tree-opt/19736
13433         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
13434         information for the new statement.
13435
13436 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
13437
13438         PR driver/19117
13439         * gcc.c (main): Include the target in -v output.
13440
13441 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
13442
13443         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
13444         Do not drop the extend if we'd have to add a paradoxical subreg
13445         later.  Include optabs.h and insn-codes.h.
13446         * Makefile.in (combine.o): Depend on $(OPTABS_H).
13447
13448 2005-02-02  Roger Sayle  <roger@eyesopen.com>
13449
13450         PR middle-end/19405
13451         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
13452         * fold-const.c (const_binop): Avoid constant folding floating
13453         point operations in modes that use composite representations.
13454         * simplify-rtx.c (simplify_binary_operation): Likewise.
13455
13456 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
13457
13458         * config/rs6000/altivec.md (altivec_dst): Make the first operand
13459         a REG, not a MEM.
13460         (altivec_dstt): Likewise.
13461         (altivec_dstst): Likewise.
13462         (altivec_dststt): Likewise.
13463         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
13464         of first operand.
13465
13466 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
13467
13468         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
13469         EXPR_LOCUS from orig_cond to the new cond_stmt.
13470         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
13471         the new vec_stmt.
13472
13473 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
13474
13475         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
13476         standard_iv_increment_position. Remove call to bsi_next
13477         (no need to bump the iterator anymore).
13478         (vect_create_index_for_vector_ref): Call
13479         standard_iv_increment_position. Remove second function argument.
13480         (vect_finish_stmt_generation): Remove call to bsi_next
13481         (no need to bump the iterator anymore).
13482         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
13483         to vect_create_index_for_vector_ref.
13484
13485 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
13486
13487         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
13488         phis are used out of the loop.
13489
13490 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
13491
13492         PR c/17807
13493         * c-decl.c (undef_nested_function): New variable.
13494         (pop_scope): Diagnose undefined nested functions.
13495         (finish_function): Don't attempt cgraph processing or genericizing
13496         if current top-level function contained an undefined nested
13497         function.  Reset undef_nested_function at the end of a top-level
13498         function.
13499
13500 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
13501
13502         * tree.c (build_int_cst_type): Take sign of the value into account
13503         when deciding whether sign extend the value.
13504
13505 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
13506
13507         PR c/18502
13508         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
13509         (cpp_options, cc1_options): Change %{std*&ansi} to
13510         %{std*&ansi&trigraphs}.
13511
13512 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
13513
13514         * cse.c: Update comments.
13515
13516 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
13517
13518         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
13519         arguments go on the stack.  Do not put complex doubles in odd/even
13520         pairs.
13521
13522 2005-02-02  Steven Bosscher  <stevenb@suse.de>
13523
13524         * doc/invoke.texi: Update the options enabled at -O1, -O2,
13525         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
13526         -ftree-pre, and -fthread-jumps.
13527
13528 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
13529
13530         PR tree-optimization/19578
13531         * tree-flow.h (modified_noreturn_calls): Declare.
13532         (noreturn_call_p): Declare.
13533         * tree-flow-inline.h (noreturn_call_p): New function.
13534         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
13535         * tree-cfg.c (modified_noreturn_calls): New variable.
13536         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
13537         that contain a mid-block noreturn call.
13538         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
13539
13540 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
13541
13542         * df.c (df_def_record_1, df_uses_record): Don't use
13543         DF_FOR_REGALLOC.
13544         * df.h (DF_FOR_REGALLOC): Remove.
13545
13546 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
13547
13548         PR c/19435
13549         * c-typeck.c (really_start_incremental_init): Reset
13550         constructor_max_index for arrays of incomplete type.
13551
13552 2005-02-02  Jeff Law  <law@redhat.com>
13553
13554         * gcse.c (struct reg_set): Store the block index where the register
13555         was set rather than the setting insn.
13556         (record_one_set, compute_transp): Corresponding changes.
13557         (pre_insert_copy_insn): Do not call replace_one_set.
13558         (replace_one_set): Remove.
13559
13560 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
13561
13562         PR other/15514
13563         * doc/gcov.texi: Fix typo.
13564
13565 2005-02-01  Richard Henderson  <rth@redhat.com
13566
13567         PR target/19680
13568         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
13569         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
13570         type to bool.
13571         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
13572         * config/i386/i386-protos.h: Update.
13573
13574 2005-02-01  Steven Bosscher  <stevenb@suse.de>
13575
13576         PR tree-optimization/19217
13577         * tree-cfg.c (verify_expr): Use the data field to see if TP was
13578         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
13579         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
13580         that it is walking a PHI node.
13581
13582 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
13583
13584         * doc/extend.texi (Nested Functions): Update.
13585
13586 2005-02-01  Richard Henderson  <rth@redhat.com>
13587
13588         PR 19696
13589         * optabs.c (expand_copysign_absneg): Export.
13590         * optabs.h (expand_copysign_absneg): Declare.
13591         * config/rs6000/rs6000.md (copysigntf3): New.
13592
13593 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
13594
13595         PR tree-optimization/19633
13596         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
13597         * tree-ssa-alias.c (init_alias_info): Initialize.
13598         (merge_pointed_to_info): Set.
13599         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
13600         (dump_points_to_info_for): Show value of pt_null.
13601         (struct count_ptr_d): Declare.
13602         (find_ptr_dereference): Remove.
13603         (ptr_is_dereferenced_by): Remove.
13604         (count_ptr_derefs): New local function.
13605         (count_uses_and_derefs): New local function.
13606         (compute_points_to_and_addr_escape): Call it.  If the number
13607         of dereferences is greater than zero, mark the pointer as
13608         dereferenced.  If there are fewer dereferences than uses of
13609         the pointer, the pointer's value escapes.
13610
13611 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
13612
13613         PR tree-optimization/19670
13614         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
13615         here...
13616         (verify_use): ... set it here, instead.
13617
13618 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
13619
13620         * doc/sourcebuild.texi (Test directives): Fix formatting.
13621
13622         * doc/sourcebuild.texi (Test directives): Describe selector
13623         expressions.
13624
13625 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
13626
13627         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
13628         specific 64-bit CPUs.
13629
13630 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
13631
13632         PR target/16201
13633         * arm.c (arm_eliminable_register): New function.
13634         (adjacent_mem_locations): Don't allow eliminable registers.  Use
13635         HOST_WIDE_INT for address offsets.
13636         * arm-protos.h (arm_eliminable_register): Add prototype.
13637
13638 2005-02-01  Steven Bosscher  <stevenb@suse.de>
13639
13640         PR optimization/15242
13641         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
13642         * basic-block.h (duplicate_computed_gotos): Add prototype.
13643         * bb-reorder.c (duplicate_computed_gotos): New function to
13644         duplicate sufficiently small blocks ending in a computed jump.
13645         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
13646         if not optimizing for size.
13647         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
13648         never do tail merging for blocks ending in a computed jump.
13649         * doc/invoke.texi: Document the max-goto-duplication-insns param.
13650
13651 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
13652
13653         Patch from Richard Sandiford <rsandifo@redhat.com>
13654         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
13655         from inheriting a subreg equivalence with a non-spill register.
13656
13657         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
13658
13659 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
13660
13661         * config/frv/frv.c (movcc_fp_destination_operand): New.
13662         (gpr_or_memory_operand): Fix typo in comment.
13663         (gpr_or_memory_operand_with_scratch): New.
13664         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
13665         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
13666         movcc_fp_destination_operand.
13667         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
13668         Legitimize memory addresses using a scratch register.
13669
13670 2005-01-31  Jeff Law  <law@redhat.com>
13671
13672         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
13673         bitmap a sparse bitmap instead of a simple bitmap.
13674         (mark_def_sites_initialize_block):  Corresponding changes.
13675         (ssa_mark_def_sites_initialize_block): Likewise.
13676         (ssa_mark_phi_uses): Likewise.
13677         (mark_def_site, ssa_mark_def_sites): Likewise.
13678         (mark_def_site_blocks): Likewise.
13679         (rewrite_ssa_into_ssa): Likewise.
13680
13681         * tree-ssa-dom.c (record_cond): Pass correct variable type
13682         for last argument to htab_find_slot_with_hash.
13683
13684         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
13685         effects when optimizing 0 % X.  Do not try to optimize X % 0.
13686
13687 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
13688
13689         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
13690         1_mmalua.
13691
13692 2005-02-01  Eric Christopher  <echristo@redhat.com>
13693
13694         * config/mips/mips.c (override_options): Warn if -mint64
13695         is used.
13696         * doc/invoke.texi (MIPS Options): Document that -mint64 is
13697         deprecated.
13698
13699 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
13700
13701         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
13702         timestamp.
13703         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
13704         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
13705         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
13706         (cached_regno): Initialize to INVALID_REGNUM.
13707         (cse_reg_info_table_size,
13708         cse_reg_info_table_first_uninitialized,
13709         cse_reg_info_timestamp): New.
13710         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
13711         get_cse_reg_info.
13712         (init_cse_reg_info, get_cse_reg_info_1): New.
13713         (get_cse_reg_info): Cache the last look-up.
13714         (new_basic_block): Update the code to clear mappings from
13715         registers to cse_reg_info entries.
13716         (cse_main): Call init_cse_reg_info.
13717
13718         * cse.c (get_cse_reg_info): Update a comment.
13719
13720 2005-01-31  Steven Bosscher  <stevenb@suse.de>
13721
13722         PR c/19333
13723         * c-decl.c (start_decl): Do not warn about arrays of elements with
13724         an incomplete type here.
13725         (grokdeclarator): Do it here by making a pedwarn an error.
13726         * c-typeck.c (push_init_level): If there were previous errors with
13727         the constructor type, do not warn about braces for initializers.
13728         (process_init_element): Likewise for excess initializer elements.
13729
13730 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
13731
13732         * cse.c (delete_trivially_dead_insn): Don't iterate.
13733
13734 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
13735
13736         * config/rs6000/rs6000.md (copysignsf3): New expand.
13737         (copysigndf3): Likewise.
13738
13739 2005-01-31  Steven Bosscher  <stevenb@suse.de>
13740
13741         * recog.c (constrain_operands): Only look for earlyclobber operand
13742         conflicts if an '&' constraint was seen.
13743
13744 2005-01-31  Marc Espie <espie@openbsd.org>
13745
13746         * config.gcc: Don't include embedded systems fragment, switches default
13747         debugging format to ELF.
13748         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
13749         longer pick it up there.
13750
13751 2005-01-31  Dale Johannesen  <dalej@apple.com>
13752
13753         * doc/extend.texi (nested functions): Fix linkage description.
13754         Clarify that static is not allowed.
13755
13756 2005-01-31  Dale Johannesen  <dalej@apple.com>
13757
13758         * config/rs6000/darwin.md (movsf_low_di):  Make work.
13759         (movdf_low_di):  Make work.
13760
13761 2005-01-31  Dale Johannesen  <dalej@apple.com>
13762
13763         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
13764         Make work for 64 bit.
13765
13766 2005-01-31  Roger Sayle  <roger@eyesopen.com>
13767             Dale Johannesen  <dalej@apple.com>
13768
13769         PR middle-end/19650
13770         * fold-const.c (fold_binary_op_with_conditional_arg):
13771         Make types match original operands, before STRIP_NOPS.
13772
13773 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
13774
13775         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
13776         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
13777         (struct gcc_sigcontext): Delete.  Merge contents to..
13778         (struct gcc_ucontext): ..here.
13779         (get_sigcontext): Delete.
13780         (get_regs): New function, like get_sigcontext but return regs ptr.
13781         64-bit version finds regs from r1 to support vdso.
13782         (ppc_linux_aux_vector): New function.
13783         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
13784         and vector regs.
13785
13786 2005-01-31  Ira Rosen  <irar@il.ibm.com>
13787
13788         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
13789         sizetype.
13790         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
13791         redundant fold. Fix misalignment for MINUS_EXPR.
13792         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
13793         (vect_analyze_pointer_ref_access): Likewise.
13794         (vect_get_memtag_and_dr): Likewise.
13795
13796 2005-01-31  Richard Henderson  <rth@redhat.com>
13797
13798         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
13799         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
13800         absnegdf2_i387, absnegxf2_i387): Likewise.
13801
13802 2005-01-31  Richard Henderson  <rth@redhat.com>
13803
13804         PR 19696
13805         * optabs.c (expand_copysign_absneg): New.
13806         (expand_copysign_bit): Split out from ...
13807         (expand_copysign): ... here.  Use expand_copysign_absneg.
13808
13809 2005-01-30  Roger Sayle  <roger@eyesopen.com>
13810
13811         PR middle-end/19697
13812         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
13813         constant as the second operand and a register as the third.
13814
13815 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
13816
13817         PR target/19704
13818         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
13819         that dllimport'd functions do not use all call-clobbered registers
13820         to pass parameters.
13821
13822 2005-01-30  Richard Henderson  <rth@redhat.com>
13823
13824         PR 19696
13825         * optabs.c (expand_absneg_bit): Split out from expand_unop and
13826         expand_abs_nojump and generalize.  Use operand_subword and
13827         emit_no_conflict_block.  Support large modes.
13828         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
13829         back to maximum.
13830         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
13831         negation to subtraction.
13832         (expand_copysign): Check that the format has signed zeros.
13833         Use operand_subword and emit_no_conflict_block.  Support large modes.
13834
13835 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
13836
13837         Fix PR tree-optimization/19624
13838
13839         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
13840         * tree-ssa-pre.c: Add cfgloop.h.
13841         Update comment.
13842         (pre_stats): New member, constified.
13843         (inserted_exprs): New static variable.
13844         (NECESSARY): New macro.
13845         (create_expression_by_pieces): Fold the expression, and
13846         mark it as defaulting to not necessary. Also put in
13847         inserted_exprs.
13848         (fully_constant_expression): New function.
13849         (insert_into_preds_of_block): Modify to not insert phis when we
13850         are playing with induction variables.
13851         Push phis onto the inserted_exprs vector, and mark them as not
13852         necessary by default.
13853         (insert_aux): Call fully_constant_expression on eprime.
13854         If all edges produce the same value, mark it constant.
13855         (mark_operand_necessary): New function.
13856         (remove_dead_inserted_code): New function.
13857         (init_pre): Init loop optimizer to get loop info.
13858         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
13859         (execute_pre): Commit edge inserts, then remove dead code.
13860
13861 2005-01-30  Richard Henderson  <rth@redhat.com>
13862
13863         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
13864         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
13865
13866 2005-01-30  Richard Henderson  <rth@redhat.com>
13867
13868         PR target/19700
13869         * config/i386/i386.c (ix86_expand_copysign): New.
13870         (ix86_split_copysign_const): New.
13871         (ix86_split_copysign_var): Rename from ix86_split_copysign,
13872         rearrange op1/nmask operands.
13873         * config/i386/i386-protos.h: Update.
13874         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
13875         (copysigndf3): Likewise.
13876         (copysignsf3_const, copysigndf3_const): New.
13877         (copysignsf3_var): Rename from copysignsf3, split out splitter
13878         and fix split predicate for X constraint.
13879         (copysigndf3_var): Similarly.
13880
13881 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
13882
13883         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
13884         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
13885         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
13886
13887 2005-01-29  Richard Henderson  <rth@redhat.com>
13888
13889         PR target/19690
13890         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
13891         of # and * in constraints.
13892
13893 2005-01-29  Richard Henderson  <rth@redhat.com>
13894
13895         PR middle-end/19689
13896         * expr.c (store_field): Don't strip sub-mode cast when the input
13897         data is even smaller.
13898
13899 2005-01-29  Richard Henderson  <rth@redhat.com>
13900
13901         PR middle-end/19687
13902         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
13903         union being empty.
13904
13905 2005-01-29  Richard Henderson  <rth@redhat.com>
13906
13907         * combine.c (make_field_assignment): Fix argument order
13908         to gen_int_mode.
13909
13910 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
13911
13912         PR tree-optimization/15791
13913         * fold-const.c (extract_array_ref): New function.
13914         (fold): Fold comparisons between &a[i] and &a[j] or
13915         semantically equivalent trees.
13916
13917 2005-01-29  Jeff Law  <law@redhat.com>
13918
13919         * gcse.c (insert_expr_in_table): Revamp handling of available
13920         and anticipatable occurrence lists to avoid unnecessary list
13921         walking.
13922         (insert_set_in_table): Similarly.
13923
13924 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
13925
13926         * c-common.c (fix_string_type): Just use c_build_qualified_type to
13927         build string type.
13928         (c_build_qualified_type): Build qualified array types with
13929         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
13930         * c-decl.c (c_make_fname_decl): Build unqualified array type
13931         before qualified type.
13932         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
13933         type is qualified, not just if type itself is.  Don't apply
13934         qualifiers to array type when declarator is processed.  Apply
13935         qualifiers to field type whether or not it is an array type.
13936         Don't handle array types specially for applying qualifiers to
13937         variables.
13938         * c-typeck.c (composite_type): Build unqualified element type and
13939         array type when forming composite of array types.
13940         (common_pointer_type, comptypes, comp_target_types,
13941         type_lists_compatible_p, build_indirect_ref, build_array_ref,
13942         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
13943         types.
13944         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
13945         (args2) in variables a1 and a2.
13946
13947 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
13948
13949         * cse.c (n_elements_made, max_elements_made): Remove.
13950         (insert): Don't touch n_elements_made.
13951         (cse_main): Don't touch n_elements_made or max_elements_made.
13952
13953 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
13954
13955         PR target/15384
13956         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
13957         configuration part of dp-bit.c to be lost.
13958
13959 2005-01-28  Roger Sayle  <roger@eyesopen.com>
13960
13961         * expmed.c (expand_mult_highpart_optab): When attempting to use
13962         a non-widening multiplication in a wider mode, the operands need
13963         to be converted (zero or sign extended) to that mode.
13964
13965 2005-01-28  Ian Lance Taylor  <ian@airs.com>
13966
13967         PR middle-end/16558
13968         PR middle-end/19583
13969         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
13970         through if both operands fall through.
13971
13972 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
13973
13974         * cse.c (fold_rtx) <PC>: Don't optimize.
13975
13976 2005-01-28  Jeff Law  <law@redhat.com>
13977
13978         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
13979         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
13980
13981 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
13982
13983         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
13984         cse_reg_info_used_list_end): Remove.
13985         (cse_reg_info_list, cse_reg_info_list_free): New.
13986         (get_cse_reg_info): When allocating an instance of
13987         cse_reg_info, add it to the beginning of the cse_reg_info_list
13988         list.  Remove code to maintain cse_reg_info_used_list.
13989         (new_basic_block): Reset the free list to the beginning of
13990         cse_reg_info_list.
13991
13992 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
13993
13994         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
13995         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
13996         (frv_expand_mdpackh_builtin): New function.
13997         (frv_expand_builtin): Use it to expand __MDPACKH.
13998         * doc/extend.texi (__MDPACKH): Update documentation.
13999
14000 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
14001
14002         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
14003         SSE_FLOAT_MODE_P for use_sse computation.
14004
14005 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
14006
14007         PR target/19663
14008         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
14009
14010 2005-01-27  Richard Henderson  <rth@redhat.com>
14011
14012         * builtins.c (expand_builtin_copysign): New.
14013         (expand_builtin): Call it.
14014         * genopinit.c (optabs): Add copysign_optab.
14015         * optabs.c (init_optabs): Initialize it.
14016         (expand_copysign): New.
14017         * optabs.h (OTI_copysign, copysign_optab): New.
14018         (expand_copysign): Declare.
14019
14020         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
14021         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
14022
14023         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
14024         (ix86_expand_fp_absneg_operator): ... here.
14025         (ix86_split_copysign): New.
14026         * config/i386/i386-protos.h: Update.
14027         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
14028         (copysignsf3, copysigndf3): New.
14029
14030         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
14031         (copysignsf3, ncopysignsf3): New.
14032         (copysigndf3, ncopysigndf3): New.
14033         (copysignxf3, ncopysignxf3): New.
14034         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
14035
14036 2005-01-27  Arend Bayer  <arend.bayer@web.de>
14037             Kazu Hirata  <kazu@cs.umass.edu>
14038
14039         * cse.c: (find_best_addr): Don't call copy_rtx before calling
14040         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
14041         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
14042         NULL_RTX.
14043
14044 2005-01-27  Jeff Law  <law@redhat.com>
14045
14046         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
14047         definitions of SSA_NAMEs which are not being rewritten.
14048         (rewrite_ssa_into_ssa): Only initialize the current definition
14049         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
14050         If checking is enabled, assert that SSA_NAME_AUX is clear for all
14051         SSA_NAMEs before returning.
14052
14053 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
14054
14055         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
14056         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
14057         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
14058         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
14059         config/mips/iris6.h, config/sh/sh.c: Update copyright.
14060
14061 2005-01-27  Steven Bosscher  <stevenb@suse.de>
14062
14063         PR middle-end/17278
14064         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
14065         higher to -O2 and higher.  Likewise for tree PRE.
14066         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
14067         and better.
14068
14069 2005-01-27  Ian Lance Taylor  <ian@airs.com>
14070
14071         PR middle-end/19583
14072         * gimple-low.c (try_catch_may_fallthru): New static function.
14073         (block_may_fallthru): Handle TRY_CATCH_EXPR.
14074         * tree-inline.c (expand_call_inline): Don't warn about reaching
14075         the end of a non-void function being inlined if the function uses
14076         a return slot.
14077
14078 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
14079
14080         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
14081
14082         PR c/18946
14083         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
14084         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
14085         (implicitly_declare): Handle error_mark_node.
14086
14087 2005-01-27  Richard Henderson  <rth@redhat.com>
14088
14089         PR tree-opt/14329
14090         * tree.h (struct tree_decl): Add debug_expr_is_from.
14091         (DECL_DEBUG_EXPR_IS_FROM): New.
14092         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
14093         * dwarf2out.c (dwarf2out_var_location): Update to match.
14094         * tree-outof-ssa.c (create_temp): Likewise.
14095         * var-tracking.c (track_expr_p): Likewise.
14096         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
14097         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
14098         * toplev.c (default_tree_printer): Likewise.
14099
14100 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
14101
14102         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
14103         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
14104
14105 2005-01-27  Steven Bosscher  <stevenb@suse.de>
14106
14107         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
14108         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
14109         ASM_CLOBBERS): Add tree checks.
14110
14111         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
14112         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
14113         * c-common.def (SWITCH_STMT): Update to match.
14114         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
14115         macros instead of SWITCH_EXPR ones.
14116         * c-dump.c (c_dump_tree): Likewise.
14117         * c-gimplify.c (gimplify_switch_stmt): Likewise.
14118         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
14119
14120         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
14121
14122 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
14123
14124         * unwind-dw2.c (execute_stack_op): Add missing cases for
14125         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
14126
14127 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
14128
14129         * config.gcc (Obsolete configurations): Remove 'dummy', add
14130         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
14131         sparc-*-openbsd*.
14132
14133 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
14134
14135         PR tree-optimization/19633
14136         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
14137         CALL_EXPRs.
14138         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
14139         are no call-clobbered variables.
14140         * tree-outof-ssa.c (check_replaceable): Return false for calls
14141         with side-effects.
14142
14143 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
14144
14145         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
14146         even for variables with NULL DECL_INITIAL.
14147
14148 2005-01-26  Stuart Hastings  <stuart@apple.com>
14149
14150         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
14151
14152 2005-01-26  Richard Henderson  <rth@redhat.com>
14153
14154         PR middle-end/18008
14155         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
14156         field's type.
14157         * expr.c (store_field): Strip conversions to odd-bit-sized types
14158         if the destination field width matches.
14159
14160 2005-01-26  Richard Henderson  <rth@redhat.com>
14161
14162         * c-decl.c, expmed.c, expr.c: Revert last change.
14163
14164 2005-01-26  Richard Henderson  <rth@redhat.com>
14165
14166         PR middle-end/18008
14167         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
14168         field's type.
14169         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
14170         if we don't need the bits above those present in the current mode.
14171         * expr.c (store_field): Strip conversions to odd-bit-sized types
14172         if the destination field width matches.
14173
14174 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
14175
14176         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
14177         either -ffast-math or -funsafe-math-optimizations is in use.
14178
14179 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
14180
14181         PR target/19293
14182         PR target/19329
14183         * config/avr/avr.c (notice_update_cc): Only set condition code for
14184         ashrqi3 if shift count > 0.
14185         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
14186         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
14187         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
14188         count <= 0 as a no-op, and shift count >= width by copying zero
14189         or sign bit to all bits of the result.
14190         * config/avr/avr.md (all shifts): Add alternatives for zero shift
14191         count, with attribute "length" set to 0 and "cc" set to "none".
14192
14193 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
14194
14195         * doc/invoke.texi: Document -mTLS.
14196
14197         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
14198         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
14199         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
14200         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
14201         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
14202         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
14203         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
14204         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
14205
14206         * configure.ac: Check for a TLS capable gas.
14207
14208         * configure: Regenerate.
14209
14210 2005-01-26  Richard Henderson  <rth@redhat.com>
14211
14212         PR middle-end/18008
14213         * combine.c (make_field_assignment): Simplify store to zero_extract
14214         from a source with an overlapping mask.
14215
14216 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
14217
14218         2004-11-11  Eric Christopher  <echristo@redhat.com>
14219
14220         * config/frv/frv.md: Add fr400_integer automaton. Don't
14221         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
14222         to TYPE_MACC.
14223
14224 2005-01-26  Steven Bosscher  <stevenb@suse.de>
14225
14226         PR middle-end/16585
14227         * cfgbuild.c (make_edges): Do not clear or set
14228         current_function_has_computed_jump.
14229         * function.h (struct function): Remove the has_computed_jump field.
14230         (current_function_has_computed_jump): Do not define.
14231         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
14232         in a computed jump.  Ignore current_function_has_computed_jump.
14233
14234 2005-01-26  Richard Henderson  <rth@redhat.com>
14235
14236         PR middle-end/19515
14237         * expr.c (categorize_ctor_elements): New argument p_must_clear.
14238         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
14239         fully initialized.
14240         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
14241         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
14242         objects into static storage if they have more than one non-zero value.
14243         * tree.h (categorize_ctor_elements): Update decl.
14244
14245 2005-01-26  Steven Bosscher  <stevenb@suse.de>
14246
14247         PR middle-end/19616
14248         * tree.h (CALL_EXPR_TAILCALL): Add comment.
14249         * calls.c (check_sibcall_argument_overlap_1): Revert the change
14250         to this function from 2004-07-10.
14251         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
14252         the current function for tail call optimizations if the address
14253         of one of it its arguments is taken.
14254
14255 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
14256
14257         * cse.c (fold_rtx): Call equiv_constant only when necessary.
14258
14259 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
14260
14261         * function.c (expand_function_end): If current_function_calls_alloca,
14262         emit stack restore in a place that is reached when the function falls
14263         through at the end.
14264
14265 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
14266
14267         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
14268         rule to avoid matching inappropriate suffix rule.
14269
14270 2005-01-26  Jan Hubicka  <jh@suse.cz>
14271
14272         PR tree-optimization/19241
14273         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
14274
14275 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
14276
14277         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
14278         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
14279         of doubling.
14280         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
14281         <sim*>: Always use crt1.o, regardless of N in simN.
14282         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
14283         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
14284         (CRT_CALL_STATIC_FUNCTION): Remove.
14285         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
14286         use crt1.o, regardless of N in simN.
14287         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
14288         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
14289         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
14290         case isystem setting.
14291         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
14292
14293 2005-01-25  Ian Lance Taylor  <ian@airs.com>
14294
14295         * gimple-low.c (block_may_fallthru): Correct handling of
14296         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
14297
14298 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
14299
14300         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
14301         handlers to match indentation; nested under the mtune=* handler.
14302         Similar for mcpu= and march=.
14303
14304 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
14305
14306         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
14307         * config/mips/linux64.h (LIB_SPEC): Likewise.
14308         * config/mn10300/linux.h (LIB_SPEC): Likewise.
14309         * config/sh/linux.h (LIB_SPEC): Likewise.
14310
14311 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
14312
14313         * config/frv/frv.c (frv_legitimize_tls_address): New.
14314         (TARGET_HAVE_TLS): Define.
14315         (FRV_SYMBOL_REF_TLS_P): Define.
14316         (frv_override_options): Handle new register classes.
14317         (frv_legitimate_address_p): Reject tls addresses.
14318         (frv_legitimize_address): Handle TLS addresses.
14319         (gen_inlined_tls_plt): New.
14320         (gen_tlsmoff): New.
14321         (frv_legitimize_tls_address): New.
14322         (unspec_got_name): Add TLS entries.
14323         (got12_operand): Add R_FRV_TLSMOFF12 case.
14324         (frv_emit_move): Fixup TLS addresses.
14325         (frv_emit_movsi): Legitimize TLS addresses.
14326
14327         * config/frv/frv.h (MASK_BIG_TLS): New.
14328         (TARGET_BIG_TLS): New.
14329         (HAVE_AS_TLS): Define.
14330         (TARGET_SWITCHES): Add -mTLS and -mtls options.
14331         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
14332         (REG_CLASS_NAMES): Same.
14333         (REG_CLASS_CONTENTS): Same.
14334         (CONSTRAINT_LEN): New.
14335         (REG_CLASS_FROM_CONSTRAINT): New.
14336         (PREDICATE_CODES): Add symbolic_operand.
14337
14338         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
14339         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
14340         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
14341         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
14342         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
14343         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
14344         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
14345         GR9_REG, GR14_REG, LRREG.
14346         (type): Add load_or_call attribute.
14347         ("load_or_call"): New reservation.
14348         ("call_gettlsoff"): New.
14349         ("tls_indirect_call"): New.
14350         ("tls_load_gottlsoff12"): New.
14351         ("tlsoff_hilo"): New.
14352         ("tls_tlsdesc_ldd"): New.
14353         ("tls_tlsoff_ld"): New.
14354         ("tls_lddi"): New.
14355
14356         * config/frv/frv-protos.h (symbolic_operand): Protoize.
14357
14358         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
14359
14360         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
14361         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
14362         * config/frv/frv.c (TLS_BIAS): Define.
14363         (frv_output_dwarf_dtprel): New.
14364
14365 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
14366
14367         PR rtl-optimization/19579
14368         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
14369         both A and B, see if they don't clobber registers the other expr uses.
14370
14371 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
14372
14373         * real.c (do_add): Initialize signalling and canonical members.
14374
14375         * real.c (real_from_integer): Zero out destination.
14376
14377 2005-01-18  Jan Hubicka  <jh@suse.cz>
14378
14379         PR tree-optimize/19337
14380         * tree-inline.c (initialize_inlined_parameters): Copy
14381         saved_static_chain_decl only.
14382
14383 2005-01-25  Richard Henderson  <rth@redhat.com>
14384
14385         PR target/19556
14386         PR target/19584
14387         * config/i386/i386.c (x86_inter_unit_moves): Zero.
14388         (ix86_preferred_reload_class): Rewrite fp-constant section, with
14389         80387 enabled, to return a proper subclass.  Return the subset that
14390         overlaps with GENERAL_REGS for PLUS.
14391         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
14392
14393 2005-01-25  Richard Henderson  <rth@redhat.com>
14394
14395         PR middle-end/19609
14396         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
14397
14398 2005-01-25  Roger Sayle  <roger@eyesopen.com>
14399
14400         * expmed.c (choose_multiplier): Change interface to return the
14401         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
14402         (expand_divmod): Update calls to choose_multiplier.
14403
14404 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14405
14406         PR middle-end/19330
14407         * expmed.c (extract_bit_field): Use adjust_address instead of
14408         gen_lowpart when op0 is a MEM.
14409
14410 2005-01-24  Steven Bosscher  <stevenb@suse.de>
14411
14412         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
14413
14414 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
14415
14416         * config/mips/irix-csr.c: New file.
14417         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
14418         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
14419         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
14420         executables.
14421
14422 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
14423
14424         PR bootstrap/19364
14425         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
14426         sparc/elf.h, add sparc/sp-elf.h.
14427         (sparc-*-rtems*): Likewise.
14428         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
14429         tm-dwarf2.h, add sparc/sp-elf.h.
14430         (sparc86x-*-elf): Likewise.
14431         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
14432         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
14433         TARGET_OS_CPP_BUILTINS.
14434         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
14435         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
14436         Undefine it.
14437         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
14438         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
14439         (SWITCH_TAKES_ARG): Likewise.
14440         (LOCAL_LABEL_PREFIX): Likewise.
14441         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
14442         (TARGET_N_FORMAT_TYPES): Delete.
14443         (TARGET_FORMAT_TYPES): Likewise.
14444         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14445         * config/sparc/elf.h: Delete.
14446         * config/sparc/sp-elf.h: New file.
14447
14448 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
14449
14450         * tree-flow-inline.h (phi_arg_from_edge): Remove.
14451         * tree-flow.h: Remove the corresponding prototype.
14452         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
14453         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
14454
14455 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
14456
14457         PR target/17751
14458         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
14459         for AIX ABI or ELF -fPIC.
14460         (rs6000_emit_load_toc_table): Don't create toc_section here.
14461         (rs6000_xcoff_file_start): Nor here.
14462
14463 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
14464
14465         * sh.c (ra.h): Don't #include.
14466         (hard_regs_intersect_p): New function, resurrected from ra.c.
14467
14468         * sh.c: Fix 1996 Copyright.
14469
14470 2005-01-24  Richard Henderson  <rth@redhat.com>
14471             Aldy Hernandez  <aldyh@redhat.com>
14472
14473         * regrename.c (note_sets): Handle subregs.
14474
14475 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
14476
14477         PR bootstrap/18058
14478         * genconditions.c (write_header, write_conditions): Elide file if
14479         not GCC >= 3.0.1.
14480
14481 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
14482
14483         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
14484         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
14485         Update copyright.
14486
14487 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
14488
14489         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
14490         expand_builtin_printf, expand_builtin_fprintf,
14491         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
14492         checking against POINTER_TYPE.
14493         (validate_arglist): Handle POINTER_TYPE code by checking
14494         POINTER_TYPE_P.
14495
14496 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
14497
14498         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
14499         init_rtlanal): New.
14500         (for_each_rtx): Call for_each_rtx_1.
14501         * rtl.h (init_rtlanal): Declare.
14502         * toplev.c (backend_init): Call init_rtlanal.
14503
14504 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
14505
14506         * flow.c (propagate_one_insn): Formatting.
14507
14508         PR middle-end/19551
14509         * flow.c (libcall_dead_p): Be more conservative if unsure.
14510         If there are any instructions between insn and call, see if they are
14511         all dead before saying the libcall is dead.
14512
14513 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
14514
14515         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
14516         operand constraint for operand 0.
14517
14518 2005-01-23  Richard Henderson  <rth@redhat.com>
14519
14520         PR 19486
14521         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
14522         edges leading to join block.
14523
14524 2005-01-23  Roger Sayle  <roger@eyesopen.com>
14525
14526         * expmed.c (expand_mult_highpart): Make static.  Change type of
14527         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
14528         (expand_divmod): Updates calls to expand_mult_highpart by using
14529         gen_int_mode to pass a CONST_INT rtx.
14530         * rtl.h (expand_mult_highpart): Remove prototype.
14531
14532 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
14533
14534         * flow.c (regset_bytes, regset_size): Remove.
14535
14536         * cfganal.c: Fix a reference to Harvey's paper.
14537
14538 2005-01-23  Steven Bosscher  <stevenb@suse.de>
14539
14540         PR rtl-optimization/19464
14541         * tree-optimize.c (init_tree_optimization_passes): Add one more
14542         copyrename pass just before out-of-ssa.
14543
14544 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
14545
14546         PR bootstrap/18058
14547         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
14548         * ggc-none.c (ggc_free): Define.
14549
14550 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
14551
14552         * cse.c (max_reg, max_insn_uid): Remove.
14553         (cse_main): Don't access max_reg or max_insn_uid.
14554
14555         * c-common.c (explicit_flag_signed_bitfields,
14556         lang_statement_code_p, lang_expand_function_end): Remove.
14557         * c-common.h: Remove the corresponding declarations.
14558         * c-opts.c (c_common_handle_option): Remove all write access
14559         to explicit_flag_signed_bitfields.
14560
14561         * cgraph.c (cgraph_varpool_n_nodes): Remove.
14562         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
14563         * cgraph.h: Remove the corresponding declaration.
14564
14565         * gcse.c (null_pointer_info): Remove.
14566
14567 2005-01-23  Roger Sayle  <roger@eyesopen.com>
14568             Eric Botcazou  <ebotcazou@libertysurf.fr>
14569
14570         * combine.c (simplify_logical): Only simplify logical expressions
14571         of the form ior(and(x,y),z) by the inverse distributive law if the
14572         result is cheaper than the original.
14573
14574 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
14575
14576         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
14577         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
14578         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
14579         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
14580         config/freebsd-spec.h, config/arm/arm.h,
14581         config/h8300/h8300.md, config/i386/i386.md,
14582         config/i386/predicates.md, config/i386/sse.md,
14583         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
14584         config/vax/vax.md: Fix comment typos.  Follow spelling
14585         conventions.
14586
14587 2005-01-23  Steven Bosscher  <stevenb@suse.de>
14588
14589         * gengtype.c (walk_type): Produce `not equal to' compares for loop
14590         tests, instead of `less than'.
14591
14592 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
14593
14594         * function.c (assign_parm_setup_block): When creating a new stack slot
14595         for a parameter, get its alignment from the parameter's DECL_ALIGN
14596         rather than the type's TYPE_ALIGN.  Make sure that the parameter
14597         is at least word aligned.
14598
14599 2005-01-22  Roger Sayle  <roger@eyesopen.com>
14600
14601         PR middle-end/19378
14602         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
14603
14604 2005-01-22  Richard Henderson  <rth@redhat.com>
14605
14606         PR target/19506
14607         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
14608         in both compare operands.
14609         (movdfcc_1_sse_max): Likewise.
14610         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
14611         (movdfcc_1_sse): Likewise.
14612         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
14613         scratch register as needed.
14614
14615 2005-01-22  Richard Henderson  <rth@redhat.com>
14616
14617         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
14618
14619         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
14620
14621 2005-01-22  Richard Henderson  <rth@redhat.com>
14622
14623         * genopinit.c (optabs): Use smin/smax for floating point too.
14624         * doc/md.texi: Update to match.  Clarify that floating point
14625         results are undefined for +0/-0 and NaN.
14626         * doc/rtl.texi: Likewise.
14627         * rtl.def (SMIN, SMAX): Likewise
14628         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
14629
14630         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
14631         leading 's' to the name.
14632         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
14633         smaxxf3, sminxf3): Likewise.
14634         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
14635         Likewise.
14636
14637 2005-01-22  Paul Brook  <paul@codesourcery.com>
14638
14639         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
14640
14641 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
14642
14643         * config/s390/s390.c (struct processor_costs): New fields
14644         dlgr, dlr, dr, dsgfr, dsgr.
14645         (z900_cost, z990_cost): Values for new fields.
14646         (s390_rtx_costs): New cases MEM und COMPARE in switch
14647         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
14648         DIV, MOD, UDIV, UMOD.
14649
14650 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
14651
14652         * config/s390/s390.md ("doloop_si64"): Reload input value directly
14653         into the register being decremented.
14654         ("doloop_si31", "doloop_di"): Likewise.
14655         ("*doloop_si_long"): Adapt pattern.
14656
14657 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
14658
14659         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
14660         access registers.
14661         (CLASS_MAX_NREGS): Likewise.
14662
14663 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
14664
14665         * doc/tree-ssa.texi (Statement Operands): Add example for new
14666         must-def macro. Note deprecation of old operands interface.
14667
14668 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
14669
14670         PR tree-optimization/19484
14671         * tree-cfg.c (remove_fallthru_edge): New function.
14672         (cleanup_control_flow): Remove fallthru edges from calls that are
14673         now known not to return.
14674
14675 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
14676
14677         Fix PR tree-optimization/19038
14678         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
14679         copies with loop variant ones.
14680
14681 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
14682
14683         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
14684         config/alpha/alpha-protos.h, config/alpha/alpha.h,
14685         config/alpha/alpha.md, config/alpha/predicates.md,
14686         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
14687         config/sparc/sol2.h: Update copyright.
14688
14689         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
14690         first label to see if it is a nonlocal label.
14691
14692 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
14693             Andrew Pinski  <pinskia@physics.uc.edu>
14694
14695         PR target/19491
14696         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
14697         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
14698
14699 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
14700
14701         * config/rs6000/rtems.h: Update copyright.
14702
14703 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
14704
14705         PR target/19548
14706         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
14707         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
14708         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
14709
14710 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
14711
14712         PR c/18809
14713         * c-typeck.c (convert_arguments): Check for error_mark_node.
14714
14715 2005-01-21  Ian Lance Taylor  <ian@airs.com>
14716
14717         PR tree-optimization/13000
14718         * tree-inline.c: Include "tree-flow.h".
14719         (expand_call_inline): If warn_return_type, warn if non-void inline
14720         function falls through.
14721         * tree-cfg.c (execute_warn_function_return): Don't warn about
14722         control reaching end if TREE_NO_WARNING is set.  Set
14723         TREE_NO_WARNING.
14724         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
14725         has been lowered.
14726         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
14727         branch if we don't need one.
14728         * c-typeck.c: Include "tree-flow.h"
14729         (c_finish_bc_stmt): Don't add a goto if the current statement
14730         list doesn't fall through to the current point.
14731
14732 2005-01-21  Roger Sayle  <roger@eyesopen.com>
14733
14734         PR rtl-optimization/576
14735         * real.c (real_arithmetic): Change return type from void to bool
14736         to return an indication that the result may be inexact.
14737         * real.h (real_arithmeric): Update prototype.
14738         * fold-const.c (const_binop):  Don't constant fold floating
14739         point expressions when the user specifies -frounding-math and
14740         the result may depend upon the run-time rounding mode.
14741         (fold_convert_const_real_from_real): Clean-up.
14742         (fold_initializer): Ignore flag_rounding_math for initializers.
14743         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
14744         constant fold FP operations with flag_rounding_math if the
14745         result may depend upon the run-time rounding mode.
14746
14747 2005-01-21  Tom Tromey  <tromey@redhat.com>
14748
14749         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
14750
14751 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
14752
14753         * tree-cfg.c: Fix comment typos.
14754
14755 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
14756
14757         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
14758         around the call to rest_of_handle_branch_target_load_optimize.
14759
14760 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
14761
14762         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
14763         (sparc64-*-openbsd*): Likewise.
14764         (sparclite-*-elf*): Include tm-dwarf2.h.
14765         (sparc86x-*-elf*): Likewise.
14766         (sparc64-*-elf*): Likewise.
14767         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
14768         (DBX_DEBUGGING_INFO): Likewise.
14769         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
14770         (PREFERRED_DEBUGGING_TYPE): Likewise.
14771         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
14772         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
14773         (PREFERRED_DEBUGGING_TYPE): Likewise.
14774         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
14775         (PREFERRED_DEBUGGING_TYPE): Likewise.
14776         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
14777
14778 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
14779
14780         PR target/18701
14781         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
14782
14783 2005-01-20  Paul Brook  <paul@codesourcery.com>
14784
14785         * doc/rtl.texi: Document value extension requirements for CONST_INT.
14786
14787 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
14788
14789         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
14790         label is first in a sequence of labels.
14791
14792         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
14793
14794 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
14795             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
14796
14797         * doc/sourcebuild.texi (Test Directives): New.
14798
14799 2005-01-20  Roger Sayle  <roger@eyesopen.com>
14800
14801         * real.c (real_floor): Don't leave the result uninitialized when
14802         mode is VOIDMode, but return the unrounded intermediate value.
14803         (real_ceil): Likewise.
14804
14805 2005-01-20  Paul Brook  <paul@codesourcery.com>
14806
14807         * config/arm/arm.md (insv): Use gen_int_mode.
14808
14809 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
14810
14811         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
14812         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14813         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14814         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14815         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14816
14817 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
14818
14819         Fix PR debug/19124
14820         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
14821         fbreg, so we have to assume we can't.
14822         (loc_descriptor_from_tree_1): Ditto.
14823         (containing_function_has_frame_base): New function.
14824         (add_location_or_const_value_attribute): Use it.
14825         Also try to generate a frame_base from a single element location
14826         list.
14827
14828 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
14829
14830         PR tree-optimization/15349
14831         * timevar.def (TV_TREE_MERGE_PHI): New.
14832         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
14833         PHI_WANTED.
14834         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
14835         calls to tree_forwarder_block_p.
14836         (remove_forwarder_block_with_phi, merge_phi_nodes,
14837         gate_merge_phi, pass_merge_phi): New.
14838         * tree-optimize.c (init_tree_optimization_passes): Add
14839         pass_merge_phi.
14840         * tree-pass.h: Add an extern for pass_merge_phi;
14841
14842 2005-01-20  Richard Henderson  <rth@redhat.com>
14843
14844         PR target/19418
14845         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
14846         (_mm_castps_pd, _mm_castps_si128): New.
14847         (_mm_castsi128_ps, _mm_castsi128_pd): New.
14848
14849 2005-01-20  Richard Henderson  <rth@redhat.com>
14850
14851         PR target/19530
14852         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
14853         __builtin_ia32_vec_init_v2si.
14854         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
14855         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
14856         (ix86_init_mmx_sse_builtins): Create it.
14857         (ix86_expand_builtin): Expand it.
14858         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
14859         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
14860         (vec_extractv2si_0, vec_extractv2si_1): New.
14861
14862 2005-01-20  Richard Henderson  <rth@redhat.com>
14863
14864         PR target/16533
14865         * config/i386/i386.c (ix86_expand_push): New.
14866         * config/i386/mmx.md (push<MMXMODE>1): New.
14867         * config/i386/sse.md (push<SSEMODE>1): New.
14868         * config/i386/i386-protos.h: Update.
14869
14870 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
14871
14872         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
14873         copyright.
14874
14875 2005-01-20  Richard Henderson  <rth@redhat.com>
14876
14877         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
14878         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
14879
14880 2005-01-19  Richard Henderson  <rth@redhat.com>
14881
14882         PR target/19350
14883         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
14884         to V4SFmode in SSE1 fallback load path.
14885
14886 2005-01-19  Richard Henderson  <rth@redhat.com>
14887
14888         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
14889         in QImode expansion to ix86_expand_vector_set.
14890         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
14891
14892 2005-01-19  Richard Henderson  <rth@redhat.com>
14893
14894         PR target/19511
14895         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
14896         subclass of the input class.
14897         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
14898         Always true for cross-SSE1 classes.  Rationalize conditionals.
14899         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
14900         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
14901         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
14902         (movdi_2): Add MMX/SSE zeros.
14903         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
14904         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
14905         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
14906         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
14907         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
14908         (zero_extendsidi2_rex64_1): Remove.
14909         (MOV0 peephole): Check GENERAL_REG_P.
14910
14911 2005-01-19  Richard Henderson  <rth@redhat.com>
14912
14913         PR target/19427
14914         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
14915         shufps elements.
14916         (ix86_expand_vector_extract): Likewise.
14917
14918 2005-01-19  Richard Henderson  <rth@redhat.com>
14919
14920         PR middle-end/19304
14921         * expr.c (emit_move_change_mode): New argument force; use
14922         simplify_gen_subreg if true.
14923         (emit_move_via_alt_mode): Merge into ...
14924         (emit_move_via_integer): ... here.
14925         (emit_move_ccmode): Use emit_move_change_mode directly.
14926
14927 2005-01-19  Richard Henderson  <rth@redhat.com>
14928
14929         PR target/19518
14930         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
14931         (alpha_preferred_reload_class): Handle CONST_VECTOR.
14932         (alpha_emit_set_const_1): Add no_output parameter; don't emit
14933         rtl if true.
14934         (alpha_emit_set_const): Likewise.  Make static.
14935         (alpha_emit_set_long_const): Make static.
14936         (alpha_extract_integer): Split out from alpha_expand_mov.
14937         (alpha_split_const_mov): Likewise.
14938         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
14939         (alpha_legitimate_constant_p): New.
14940         * config/alpha/alpha-protos.h: Update.
14941         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
14942         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
14943         * config/alpha/alpha.md (movsi): Add n alternative.
14944         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
14945         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
14946         (splitters for all of the above): Use alpha_split_const_mov.
14947         * config/alpha/predicates.md (non_add_const_operand): New.
14948         (non_zero_const_operand): New.
14949         (input_operand): Use alpha_legitimate_constant_p after reload.
14950
14951 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
14952
14953         PR tree-optimization/19038
14954         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
14955         (add_candidate): Add ivs with increment in latch only if
14956         allow_ip_end_pos_p is true.
14957         (determine_iv_cost): Use empty_block_p.
14958
14959 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
14960
14961         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
14962         (compute_dominance_frontiers): Ditto.
14963
14964 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
14965
14966         PR target/19529
14967         * config/sh/t-rtems: New.
14968         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
14969
14970 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
14971
14972         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
14973         the offset of the selected field.
14974
14975 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
14976
14977         * tree-cfg.c (remove_forwarder_block): Fix the check to
14978         prevent a nonlocal label from appearing in the middle of a
14979         basic block.
14980
14981 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
14982
14983         PR rtl-optimization/19462
14984         * reorg.c (find_end_label): Create return insn only if
14985         current_function_epilogue_delay_list is empty.
14986
14987 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
14988
14989         * doc/passes.texi: Remove paragraph mentioning new-ra.
14990
14991 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
14992
14993         PR rtl-optimization/15139
14994         * combine.c: Include params.h.
14995         (count_rtxs): New function.
14996         (record_value_for_reg): If replace_rtx would replace at least
14997         2 occurrences of REG in VALUE and TEM is really large, replace REG with
14998         (clobber (const_int 0)) instead of TEM.
14999         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
15000         * params.h (MAX_LAST_VALUE_RTL): New.
15001         * Makefile.in (combine.o): Depend on $(PARAMS_H).
15002         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
15003
15004         PR c/17297
15005         * c-typeck.c (digest_init): Only call build_vector if all constructor
15006         elements are *_CST nodes.
15007         * gimplify.c (gimplify_init_constructor): Likewise.
15008
15009         PR middle-end/19164
15010         * c-typeck.c (digest_init): Only call build_vector if inside_init
15011         is a CONSTRUCTOR.
15012
15013 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
15014
15015         * toplev.c (init_asm_output): Remove dead #ifdef.
15016
15017 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
15018
15019         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
15020
15021 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
15022
15023         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
15024         accessing DECL_FUNCTION_CODE.
15025         * dojump.c (do_jump): Likewise.
15026         * gimplify.c (gimplify_call_expr): Likewise.
15027         * predict.c (expr_expected_value): Likewise.
15028         (strip_builtin_expect): Likewise.
15029         * tree-inline.c (estimate_num_insns_1): Likewise.
15030         * tree-ssa-loop-im.c (stmt_cost): Likewise
15031         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
15032         (tree_expr_nonnegative_p): Likewise.
15033
15034 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
15035
15036         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
15037         variant of the load_pcrel_sym pattern.
15038         * config/sparc/sparc.md (P macro): Move to the top.
15039         (load_pcrel_sym): Macroize using P.
15040         (save_register_window): Likewise.
15041
15042 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
15043
15044         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
15045         ("sordered"): Same.
15046
15047 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
15048
15049         PR C/19472
15050         * c-typeck.c (build_asm_expr): Strip nops off
15051         input memory operands.
15052
15053 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
15054
15055         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
15056         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
15057         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
15058         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
15059
15060 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
15061
15062         PR target/19379
15063         * config/i386/i386.c (override_options): If the 80387 is disabled,
15064         then do not return FP values using FP registers.
15065
15066 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
15067
15068         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
15069         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
15070         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
15071         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
15072         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
15073         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
15074         output.h, postreload-gcse.c, postreload.c, recog.c,
15075         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
15076         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
15077         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
15078         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
15079         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
15080         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
15081         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
15082         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
15083
15084         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
15085         config/alpha/alpha.c, config/arm/vfp.md,
15086         config/i386/emmintrin.h, config/i386/i386-modes.def,
15087         config/i386/i386-protos.h, config/i386/i386.h,
15088         config/i386/pmmintrin.h, config/i386/ppro.md,
15089         config/i386/predicates.md, config/i386/xmmintrin.h,
15090         config/i860/i860.c, config/ia64/ia64-modes.def,
15091         config/ia64/ia64-protos.h, config/ia64/ia64.h,
15092         config/ia64/ia64.md, config/ia64/itanium1.md,
15093         config/ia64/itanium2.md, config/ia64/predicates.md,
15094         config/iq2000/iq2000.h, config/mips/linux64.h,
15095         config/rs6000/aix41.h, config/rs6000/aix43.h,
15096         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
15097         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
15098         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
15099         config/sparc/linux64.h, config/sparc/litecoff.h,
15100         config/sparc/sp64-elf.h, config/sparc/sparc.c,
15101         config/sparc/sparc.h, config/sparc/sparc.md,
15102         config/sparc/sysv4-only.h: Update copyright.
15103
15104 2005-01-18  Richard Henderson  <rth@redhat.com>
15105
15106         PR target/19496
15107         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
15108
15109 2005-01-18  Marc Espie  <espie@openbsd.org>
15110         * config/i386/openbsdelf.h: Typo.
15111
15112 2005-01-18  Richard Henderson  <rth@redhat.com>
15113
15114         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
15115         special case for sse.
15116         * config/i386/predicates.md (sse_comparison_operator): Likewise.
15117
15118 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
15119
15120         * tree-inline.c (estimate_num_insns_1): Added cases for
15121         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
15122
15123 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
15124
15125         PR rtl-optimization/19296
15126         * combine.c (simplify_comparison): Rewrite the condition under
15127         which a non-paradoxical SUBREG of a PLUS can be lifted when
15128         compared against a constant.
15129
15130 2005-01-18  Andi Kleen <ak@muc.de>
15131
15132         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
15133         * c.opt (-Wpointer-sign): Add.
15134         * doc/invoke.texi: (-Wpointer-sign): Add.
15135
15136 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
15137
15138         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
15139         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
15140         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
15141         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
15142         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
15143         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
15144         for TARGET_MIX_SSE_I387.
15145         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
15146         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
15147         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
15148         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
15149         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
15150         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
15151         TARGET_MIX_SSE_I387.
15152         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
15153         from expander.
15154
15155 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
15156
15157         PR target/19424
15158         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
15159         Add movaps alternative for xmm reg->reg move.
15160
15161 2005-01-17  Jeff Law  <law@redhat.com>
15162
15163         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
15164         at the end of the main DOM loop rather than just before DOM exits.
15165
15166 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
15167
15168         PR tree-optimization/19121
15169         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
15170         adding aliases to a name tag, also add them to the pointer's
15171         type tag.
15172         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
15173         sensitive alias info at all.  Only check that the two pointers
15174         have compatible pointed-to sets.
15175         * tree-ssa.c (verify_name_tags): Verify that the alias set of
15176         a pointer's type tag is a superset of the alias set of the
15177         pointer's name tag.
15178
15179 2005-01-17  James E Wilson  <wilson@specifixinc.com>
15180
15181         PR target/19357
15182         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
15183         comment to document why.
15184
15185 2005-01-17  Richard Henderson  <rth@redhat.com>
15186
15187         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
15188         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
15189         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
15190         sse2_vmsminv2df3_finite): New.
15191         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
15192         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
15193         Force op1 into register.
15194
15195 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
15196
15197         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
15198         bubblestrap from always rebuilding build directory.
15199
15200 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
15201
15202         * config/s390/s390.md ("*clc"): Remove incorrect '='.
15203         ("*cmpmem_short"): Likewise.
15204
15205 2005-01-17  Steven Bosscher  <stevenb@suse.de>
15206
15207         * basic-block.h: Document BB_* flags.
15208         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
15209         use an sbitmap instead.
15210         * sched-rgn.c (compute_trg_info): Likewise.
15211
15212 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
15213
15214         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
15215         redundant target_cpu_default and extra_parts lines.  Use the default
15216         "from-abi" ISA.
15217         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
15218         (SUBTARGET_EXTRA_SPECS): Delete.
15219         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
15220         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
15221         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
15222         and "n32" for -mabi=n32.
15223
15224 2005-01-17  Ian Lance Taylor  <ian@airs.com>
15225
15226         PR c/5675
15227         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
15228         fold constant variables into initial values.
15229
15230 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
15231
15232         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
15233
15234         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
15235         through the statements backward.
15236
15237 2005-01-17  Ian Lance Taylor  <ian@airs.com>
15238
15239         PR middle-end/13127:
15240         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
15241         a variable set to the return value of the inlined function.
15242
15243 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
15244
15245         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
15246         when modes are tieable.
15247
15248 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
15249
15250         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
15251         of pthread_create to find out if threads are enabled.
15252         * gthr-posix95.h (__gthread_active_p): Likewise.
15253
15254 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
15255
15256         * common.opt (-fnew-ra): Remove.
15257         * ra*.*: Remove.
15258         * toplev.h (flag_new_regalloc): Remove.
15259         * Makefile.in (ra*.*): Don't mention.
15260         * passes.c (rest_of_handle_new_regalloc): Remove.
15261         (rest_of_handle_combine, rest_of_compilation): Always consider
15262         flag_new_regalloc as false.
15263         * doc/invoke.texi: Don't document -fnew-ra.
15264
15265 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
15266
15267         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
15268         last parameter to reg_scan.
15269         * loop.c (loop_optimize): Likewise.
15270         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
15271         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
15272         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
15273         rest_of_handle_gcse, rest_of_handle_loop_optimize,
15274         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
15275         * regclass.c (reg_scan): Likewise, for the declaration.
15276         * rtl.h (reg_scan): Likewise, for the prototype.
15277
15278 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
15279
15280         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
15281         mark_dfs_back_edges.
15282
15283 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
15284
15285         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
15286         (compute_avail): Uses don't go in tmp_gen.
15287
15288 2005-01-16  Steven Bosscher  <stevenb@suse.de>
15289
15290         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
15291         loop to look for a free slot in a page entry.
15292
15293 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15294
15295         PR target/16304
15296         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
15297         * toplev.c (compile_file): Call process_pending_assemble_output_defs
15298         just before targetm.asm_out.file_end.
15299         * tree.h (process_pending_assemble_output_defs): Declare.
15300         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
15301         New functions.
15302         (assemble_alias): Defer generation of assembly code for defines when
15303         TARGET_DEFERRED_OUTPUT_DEFS is true.
15304         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
15305         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
15306         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
15307
15308 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15309
15310         PR target/19336
15311         * pa.c (pa_scalar_mode_supported_p): New function.
15312         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15313         * pa.h (MIN_UNITS_PER_WORD): Add comment.
15314
15315         * pa-protos.h (prefetch_operand): Delete.
15316         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
15317         * pa.c (prefetch_operand): Delete.
15318         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
15319         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
15320         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
15321         and prefetch_nocc_operand.
15322         * pa.md (prefetch): Rework to avoid reload problems handling short
15323         displacements when a cache control completer needs to be provided.
15324         (prefetch_32, prefetch_64): Delete.
15325         (prefetch_cc, prefetch_nocc): New patterns.
15326
15327 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
15328
15329         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
15330
15331 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15332
15333         PR ada/19388
15334         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
15335         exceeds maximum alignment for global common data.
15336         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
15337         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
15338
15339 2004-01-15  Roger Sayle  <roger@eyesopen.com>
15340
15341         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
15342
15343 2004-01-15  Roger Sayle  <roger@eyesopen.com>
15344
15345         * harg-reg-set.h (reg_class_names): Prototype global array.
15346         * regclass.c (reg_class_names): Declare here and initialize to
15347         REG_CLASS_NAMES.
15348         (dump_regclass): Remove local declaration of reg_class_names.
15349         (regclass): Likewise.
15350         * cfg.c (dump_flow_info): Likewise.
15351         * ra-debug.c (reg_class_names): Likewise.
15352         * regrename.c (reg_class_names): Likewise.
15353         * reload.c (reg_class_names): Likewise.
15354         * reload1.c (spill_failure): Likewise.
15355         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
15356
15357 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
15358
15359         * config/s390/s390.md ("reload_outti"): Remove predicate for
15360         output operand.  Abort if operand is not a MEM.
15361         ("reload_outdi", "reload_outdf"): Likewise.
15362
15363 2005-01-15  Marc Espie  <espie@openbsd.org>
15364
15365         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
15366         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
15367         * config/openbsd.h:  Fix C++ includes for native configurations.
15368         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
15369         Add trampoline support.
15370         * config/i386/openbsdelf.h: New.
15371
15372 2005-01-15  Marc Espie  <espie@openbsd.org>
15373
15374         * collect2.c (main): Explicitly parse -dynamic-linker option.
15375
15376 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
15377
15378         PR tree-optimization/19060
15379         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
15380         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
15381         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
15382         and handle extract_range_from_cond returning false.
15383         * fold-const.c (fold): Optimize comparisons with min/max even for
15384         width > HOST_BITS_PER_WIDE_INT.
15385
15386 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
15387
15388         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
15389         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
15390         Remove little endian multilib variants.
15391         Add mips32 multilib variant.
15392
15393 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
15394
15395         * explow.c (copy_all_reg, stabilize): Remove.
15396         * expr.h: Remove the corresponding prototypes.
15397
15398         * rtlanal.c (regs_set_between_p): Remove.
15399         * rtl.h: Remove the corresponding prototype.
15400
15401 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
15402
15403         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
15404         to rs6000_nonimmediate_operand.
15405         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
15406         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
15407         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
15408         rs6000_nonimmediate_operand.
15409         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
15410         rs6000_nonimmediate_operand.
15411
15412 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
15413
15414         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
15415
15416 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15417
15418         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
15419         on e500v2.
15420         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
15421         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
15422
15423         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
15424         (rs6k_nonimmediate_operand): New.
15425         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
15426         correctly.
15427         (legitimate_lo_sum_address_p): Same.
15428         (rs6000_legitimize_address): Same.
15429         (rs6000_legitimize_reload_address): Same.
15430         (rs6000_legitimate_address): Same.
15431         (spe_build_register_parallel): Pass DF and DC modes in a DI
15432         register.
15433
15434         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
15435         to rs6k_nonimmediate_operand.
15436
15437         * config/rs6000/spe.md ("*frob_df_di"): New.
15438         ("*frob_di_df"): New.
15439         ("*frob_di_df_2"): New.
15440         ("*mov_sidf_e500_subreg0"): New.
15441         ("*mov_sidf_e500_subreg4"): New.
15442         ("*movdf_e500_double"): Change predicate to
15443         rs6k_nonimmediate_operand.
15444
15445 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15446
15447         * postreload.c (move2add_note_store): Only call
15448         trunc_int_for_mode on scalar integers.
15449
15450 2005-01-14  Steven Bosscher  <stevenb@suse.de>
15451
15452         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
15453         replace BB_VISITED uses.
15454         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
15455         (propagate_necessity): Check the bitmap instead of BB_VISITED.
15456         (tree_dce_done): Free visited_control_parents.
15457         (perform_tree_ssa_dce): Allocate and clear it.
15458         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
15459         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
15460         instead of BB_VISITED.
15461
15462 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
15463
15464         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
15465         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
15466         Remove unused prototypes.
15467
15468 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15469
15470         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
15471         64-bit register usage.
15472         (spe_func_has_64bit_regs_p): Add FIXME note.
15473
15474 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15475
15476         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
15477         flag_finite_math_only with flag_unsafe_math_optimizations.
15478
15479 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
15480
15481         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
15482         end-of-stack check.
15483         (__tpf_eh_return): Copy TPF private stack area from the module
15484         boundary stack frame.  Add check for when module addresses are
15485         equal, but no stub address is found.
15486
15487 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
15488
15489         PR target/7525
15490         * arm.h (struct machine_function): Add call_via field.
15491         (thumb_call_via_label): Declare.
15492         * arm.c (thumb_call_via_label): New variable.
15493         (thumb_call_reg_needed): New variable.
15494         (arm_output_function_epilogue): For Thumb code, output any per-function
15495         call-indirect trampolines.
15496         (thumb_call_via_reg): New function.
15497         (arm_file_end): New function.
15498         (TARGET_ASM_FILE_END): Call arm_file_end.
15499         (aof_file_end): Likewise.
15500         * arm-protos.h (thumb_call_via_reg): Declare.
15501         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
15502         thumb_call_via_reg in normal case.
15503
15504 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
15505
15506         PR middle-end/19084
15507         PR rtl-optimization/19348
15508         * recog.c (peephole2_optimize): Do global life update if some peephole
15509         decides it doesn't need at least one of its inputs and that change
15510         influences liveness at the start of the basic block.
15511
15512         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
15513         arguments instead of 1.
15514
15515 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
15516
15517         PR middle-end/18820
15518         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
15519         zero for nested functions needing a static chain or functions
15520         with a non-constant address.
15521
15522 2005-01-13  Roger Sayle  <roger@eyesopen.com>
15523
15524         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
15525         (and (sign_extend X) C) into (zero_extend (and X C)).
15526
15527 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
15528
15529         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
15530
15531 2005-01-13  Richard Henderson  <rth@redhat.com>
15532
15533         PR target/19009
15534         PR target/19250
15535         PR target/19252
15536         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
15537         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
15538         not just TARGET_SSE.
15539         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
15540         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
15541         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
15542         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
15543         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
15544         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
15545         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
15546         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
15547         (movdicc_c_rex64): Rename with '*'.
15548         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
15549         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
15550         (movsfcc_1_387): Rename from movsfcc_1.
15551         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
15552         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
15553         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
15554         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
15555         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
15556         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
15557         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
15558         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
15559         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
15560         sse_movdfcc_const0_4): Remove.
15561         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
15562         recognize min/max early.  Update for changed sse cmove patterns.
15563         (ix86_split_sse_movcc): New.
15564         * config/i386/i386-protos.h: Update.
15565
15566 2005-01-13  Steven Bosscher  <stevenb@suse.de>
15567
15568         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
15569         (fix_stmt_v_may_defs): Likewise.
15570
15571 2005-01-13  Richard Henderson  <rth@redhat.com>
15572
15573         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
15574         for converting the mask.
15575
15576 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
15577
15578         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
15579         definition to 600.
15580
15581 2005-01-13  Richard Henderson  <rth@redhat.com>
15582
15583         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
15584         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
15585         IX86_BUILTIN_MOVDQ2Q): Remove.
15586         (IX86_BUILTIN_VEC_EXT_V4SI): New.
15587         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
15588         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
15589         shuffling.
15590         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
15591         (sse2_pextrw): Fix immediate constraint.
15592         (sse2_loadq, sse2_loadq_rex64): Remove.
15593         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
15594         Use __builtin_ia32_vec_ext_<size>.
15595         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
15596
15597 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
15598
15599         * function.c (assign_parm_setup_block): Look inside original
15600         entry_parm when inspecting PARALLEL.
15601
15602 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
15603             Joel Sherrill  <joel@oarcorp.com>
15604
15605         PR target/19399
15606         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
15607         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
15608         rtems_gxx_recursive_mutex_init.
15609         (__gthread_recursive_mutex_lock): New function.
15610         (__gthread_recursive_mutex_trylock): Likewise.
15611         (__gthread_recursive_mutex_unlock): Likewise.
15612
15613 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
15614
15615         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
15616
15617 2005-01-13  Jan Beulich  <jbeulich@novell.com>
15618
15619         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
15620         (ashrti3_internal): Indicate output is early clobber. Generate result
15621         into output rather than first input. Use move for low word of output
15622         if shift count is exactly 64.
15623         (lshrti3_internal): Likewise.
15624
15625 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
15626
15627         PR target/18329
15628         PR target/18330
15629         * reload1.c (delete_output_reload): Don't delete an output reload
15630         if the pseudo lives longer than a single basic block.  Adjust and
15631         improve wording of comment.
15632
15633 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
15634
15635         PR target/19334
15636         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
15637         of TYPE_SIZE where we mean the number of bytes.
15638
15639 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
15640
15641         * function.c (assign_parm_setup_block): Relax condition on
15642         multi-register optimization.
15643
15644 2005-01-12  Nick Clifton  <nickc@redhat.com>
15645
15646         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
15647         an "in_delay_slot" attribute of "no" to prevent them being used in
15648         delay slots.  This is forbidden because they might generate
15649         exceptions.
15650
15651 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
15652
15653         PR target/19389
15654         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
15655         with r->Y and Y->r.
15656
15657 2005-01-12  Nick Clifton  <nickc@redhat.com>
15658
15659         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
15660         passed on to GAS) but do not define, as GAS no longer supports or
15661         needs the -m2000 option.
15662
15663 2005-01-11  Roger Sayle  <roger@eyesopen.com>
15664
15665         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
15666         type as args of unprototyped builtins aren't automatically promoted.
15667         (fold_builtin_abs): Likewise.
15668
15669 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15670
15671         * Makefile.in: Set a `build-warn' variable.
15672
15673 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
15674
15675         PR tree-optimization/17949
15676         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
15677         (find_interesting_uses_address): Use it.
15678
15679 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
15680
15681         * regrename.c (kill_value): Handle subreg's that won't simplify.
15682
15683 2005-01-11  Richard Henderson  <rth@redhat.com>
15684
15685         PR target/13366
15686         * config/i386/i386.h (enum ix86_builtins): Move ...
15687         * config/i386/i386.c: ... here.
15688         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
15689         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
15690         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
15691         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
15692         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
15693         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
15694         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
15695         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
15696         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
15697         IX86_BUILTIN_LOADDDUP): Remove.
15698         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
15699         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
15700         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
15701         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
15702         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
15703         (ix86_init_builtins): Make static.
15704         (ix86_init_mmx_sse_builtins): Update for changed builtins.
15705         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
15706         if all the modes match.  Otherwise, fake it.
15707         (get_element_number, ix86_expand_vec_init_builtin,
15708         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
15709         (ix86_expand_builtin): Make static.  Update for changed builtins.
15710         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
15711         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
15712         (ix86_expand_vector_init_duplicate): New.
15713         (ix86_expand_vector_init_low_nonzero): New.
15714         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
15715         Split out from ix86_expand_vector_init; handle integer modes.
15716         (ix86_expand_vector_init): Use them.
15717         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
15718         * config/i386/i386-protos.h: Update.
15719         * config/i386/predicates.md (reg_or_0_operand): New.
15720         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
15721         (movv2sf_internal): Likewise.  And a splitter to match them all.
15722         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
15723         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
15724         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
15725         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
15726         (mmx_pinsrw): Fix operand ordering.
15727         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
15728         rather than sse_loadss expander.
15729         (movv2df splitter): Similarly.
15730         (sse_loadss, sse_loadlss): Remove.
15731         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
15732         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
15733         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
15734         (sse3_movddup): Rename with '*'.
15735         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
15736         (sse2_loadsd): Remove.
15737         (vec_dupv2df_sse3): Rename from sse3_loadddup.
15738         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
15739         (sse2_pinsrw): Fix argument ordering.
15740         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
15741         (sse2_stored): Remove 'r' destination.
15742         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
15743         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
15744         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
15745         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
15746         vec_extractv16qi, vec_initv16qi): New.
15747
15748         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
15749         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
15750         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
15751         constructor form.
15752         (_mm_load_pd, _mm_store_pd): Use plain dereference.
15753         (_mm_load_si128, _mm_store_si128): Likewise.
15754         (_mm_load1_pd): Use _mm_set1_pd.
15755         (_mm_load_sd): Use _mm_set_sd.
15756         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
15757         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
15758         (_mm_set_epi64): Use _mm_set_epi64x.
15759         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
15760         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
15761         _mm_setr_epi8): Use _mm_set_foo form.
15762         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
15763         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
15764         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
15765         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
15766         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
15767         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
15768         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
15769         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
15770         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
15771         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
15772         (_mm_movedup_pd): Use _mm_shuffle_pd.
15773         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
15774         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
15775         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
15776         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
15777         Use _mm_setzero_ps.
15778         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
15779         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
15780         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
15781         (_mm_store_ps): Use raw dereference.
15782         (_mm_store1_ps): Use _mm_storeu_ps.
15783         (_mm_storer_ps): Use _mm_store_ps.
15784         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
15785         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
15786
15787 2005-01-11  Stan Shebs  <shebs@apple.com>
15788
15789         * config/rs6000/rs6000.c (machopic_output_stub): Issue
15790         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
15791
15792 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
15793
15794         PR target/18761
15795         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
15796         Skip all DECLs except for FIELD_DECLs.
15797
15798 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
15799
15800         * config/s390/s390.c (override_options): Return error if
15801         -mbackchain, -mpacked-stack and -mhard-float are used together.
15802         (s390_va_start): Remove the backchain && packed-stack special case.
15803         (s390_gimplify_va_arg): Likewise.
15804         * doc/invoke.texi: Remove the ABI incompatibility note.
15805
15806 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
15807
15808         * config/s390/s390.c (struct s390_frame_layout): Remove
15809         save_backchain_p.
15810         (s390_frame_info, s390_emit_prologue): Replace occurrences of
15811         save_backchain_p with TARGET_BACKCHAIN.
15812
15813 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
15814
15815         PR target/18916
15816         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
15817         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
15818         * function.c (locate_and_pad_parm): Set new field.
15819         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
15820         Tweak where_pad test to include "none".  Always set mem align for
15821         stack_parm.
15822         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
15823         not sufficient for type.
15824         (assign_parm_setup_block): If stack_parm is zero on entry, always
15825         make a new stack local.  Block move old stack parm if necessary
15826         to new aligned stack local.
15827         (assign_parm_setup_stack): Use a block move to handle
15828         potentially misaligned entry_parm.
15829         (assign_parms_unsplit_complex): Specify required alignment when
15830         creating stack local.
15831         * calls.c (compute_argument_addresses): Override alignment of stack
15832         arg calculated from its type with the alignment given by
15833         FUNCTION_ARG_BOUNDARY.
15834         (store_one_arg): Likewise.
15835
15836 2005-01-11  Jan Beulich  <jbeulich@novell.com>
15837
15838         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
15839         Change respective itanium_class attribute to ialu.
15840         (shladdp4_internal): New.
15841         * config/ia64/predicates.md (shladd_log2_operand): New.
15842
15843 2005-01-11  Richard Henderson  <rth@redhat.com>
15844
15845         * expr.c (store_constructor): Use rtvec_alloc instead of
15846         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
15847
15848 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
15849
15850         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
15851
15852 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
15853
15854         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
15855         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
15856         (TARGET_RWRELOC): Define.
15857         (ia64_rwreloc_section_type_flags): Delete.
15858         (ia64_section_type_flags): New function.
15859         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
15860         (TARGET_RWRELOC): Define.
15861
15862 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
15863
15864         PR target/18987
15865         * config/ia64/ia64.c (process_set): For alloc insn, only call
15866         process_epilogue is !frame_pointer_needed.
15867
15868 2005-01-10  Roger Sayle  <roger@eyesopen.com>
15869
15870         PR c++/19355
15871         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
15872         unary operator and can't be treated as a binary/comparison operator.
15873
15874 2005-01-10  Richard Henderson  <rth@redhat.com>
15875
15876         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
15877         (ix86_return_in_memory): Likewise.
15878         (function_arg_advance):  Likewise.  Mirror structure in function_arg
15879         for choosing register to advance.
15880
15881 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
15882
15883         * tree-vectorizer.c, tree.def: Fix comment typos.
15884
15885 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
15886
15887         * config/s390/s390.c (struct processor_costs): 4 new fields:
15888         ddbr, ddr, debr, der.
15889         (s390_rtx_costs): More precise handling of divide instructions.
15890
15891 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
15892
15893         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
15894
15895 2005-01-10  Jan Beulich  <jbeulich@novell.com>
15896
15897         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
15898         names resulting from -ffunction-sections/-fdata-sections and linkonce
15899         ones.
15900         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
15901         based on the section name. Rearrange the section name comparison logic
15902         slightly so that each section name is compared against at most once.
15903
15904 2005-01-10  Ben Elliston  <bje@au.ibm.com>
15905
15906         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
15907         targets for which -fPIC reduces limitations on the GOT size.
15908
15909 2005-01-09  Falk Hueffner  <falk@debian.org>
15910
15911         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
15912         X/C1 cmpop C2.
15913
15914 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
15915
15916         PR target/18720
15917         * collect2.c (main): Set aixrtl_flag for -brtl option.
15918         (resolve_lib_name): Search for .so file extension before .a
15919         if aixrtl_flag set.
15920
15921 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
15922
15923         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
15924         (vect_analyze_data_refs_alignment): Add dump prints.
15925
15926 2005-01-09  Ira Rosen  <irar@il.ibm.com>
15927
15928         * tree-vectorizer.c (vect_analyze_offset_expr): Use
15929         expr_invariant_in_loop_p.
15930         Initialize outputs first thing in the function.
15931         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
15932         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
15933         (vect_analyze_pointer_ref_access): Check that the initial condition of
15934         the access function is loop invariant.
15935
15936 2005-01-09  Richard Henderson  <rth@redhat.com>
15937
15938         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
15939         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
15940         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
15941         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
15942         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
15943         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
15944         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
15945         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
15946         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
15947         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
15948         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
15949         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
15950         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
15951         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
15952         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
15953         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
15954         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
15955         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
15956         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
15957         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
15958         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
15959         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
15960         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
15961         mmx_ prefix.
15962         (mmx_clrdi, pavgusb): Remove.
15963         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
15964         with leading sse_ prefix.
15965         * config/i386/sse.md: Receive them.
15966         * config/i386/mmx.md: New file.
15967         (MMXMODE12, MMXMODE24, mmxvecsize): New.
15968         (subrv2sf3): Turn into expander for normal subtraction.
15969         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
15970         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
15971         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
15972         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
15973         commutative; use ix86_binary_operator_ok.
15974         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
15975         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
15976         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
15977         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
15978         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
15979         Macroize from existing patterns; use ix86_binary_operator_ok.
15980         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
15981         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
15982         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
15983         with vec_select+vec_concat.
15984         (mmx_pshufw, mmx_pshufw_1): Likewise.
15985         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
15986         (mmx_uavgv4hi3): Model correctly.
15987         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
15988         _mm_xor_si64): Remove casts.
15989
15990 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
15991
15992         PR tree-optimization/19224
15993         * tree-scalar-evolution.c (get_instantiated_value,
15994         set_instantiated_value): New functions.
15995         (instantiate_parameters_1): Cache the results.
15996         (instantiate_parameters, resolve_mixers): Initialize and free
15997         the cache.
15998
15999 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
16000
16001         * config/i386/i386.md (addhi_4): Correct reference in comment.
16002         (addqi_4): Same.
16003
16004 2005-01-08  Richard Henderson  <rth@redhat.com>
16005
16006         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
16007         (_mm_cvtsi128_si64x): Likewise.
16008         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
16009         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
16010         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
16011         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
16012         * config/i386/i386-protos.h: Update.
16013         * config/i386/i386.c (print_operand): Add 'H'.
16014         (ix86_fixup_binary_operands): Split out from ...
16015         (ix86_expand_binary_operator): ... here.
16016         (ix86_fixup_binary_operands_no_copy): New.
16017         (ix86_expand_fp_absneg_operator): Handle vector mode results.
16018         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
16019         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
16020         (safe_vector_operand): Use CONST0_RTX.
16021         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
16022         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
16023         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
16024         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
16025         special cases.
16026         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
16027         (IX86_BUILTIN_CMPNGESS): New.
16028         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
16029         (attr type): Add sselog1.
16030         (attr unit, attr memory): Handle it.
16031         (movti, movti_internal, movti_rex64): Move near other integer moves.
16032         (movtf, movtf_internal): Move near other fp moves.
16033         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
16034         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
16035         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
16036         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
16037         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
16038         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
16039         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
16040         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
16041         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
16042         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
16043         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
16044         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
16045         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
16046         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
16047         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
16048         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
16049         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
16050         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
16051         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
16052         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
16053         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
16054         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
16055         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
16056         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
16057         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
16058         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
16059         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
16060         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
16061         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
16062         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
16063         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
16064         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
16065         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
16066         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
16067         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
16068         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
16069         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
16070         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
16071         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
16072         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
16073         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
16074         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
16075         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
16076         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
16077         same time.
16078         (SSEPUSH, push<SSEPUSH>): Remove.
16079         (MMXPUSH, push<MMXPUSH>): Remove.
16080         (sse_movaps, sse_movaps_1, sse_movups): Remove.
16081         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
16082         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
16083         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
16084         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
16085         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
16086         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
16087         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
16088         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
16089         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
16090         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
16091         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
16092         (ppro_sse_log_V4SF): Handle sselog1.
16093         * config/i386/predicates.md (const_0_to_1_operand): New.
16094         (const_0_to_255_mul_8_operand): New.
16095         (const_1_to_31_operand): Rename from const_int_1_31_operand.
16096         (const_2_to_3_operand, const_4_to_7_operand): New.
16097         * config/i386/sse.md: New file.
16098         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
16099         (sse_movups): Rename from sse_movups_1.
16100         (sse_loadlss): Rename from sse_loadss_1.
16101         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
16102         from the name.
16103         (negv4sf2): Use ix86_expand_fp_absneg_operator.
16104         (absv4sf2, negv2df, absv2df): New.
16105         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
16106         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
16107         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
16108         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
16109         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
16110         (sse3_addsubv4sf3): Model correctly.
16111         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
16112         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
16113         (sse_movhlps): Model with vec_select+vec_concat.
16114         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
16115         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
16116         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
16117         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
16118         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
16119         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
16120         sse2_pshufhw_1): Likewise.
16121         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
16122         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
16123         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
16124         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
16125         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
16126         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
16127         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
16128         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
16129         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
16130         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
16131         sminv8hi3): Mark commutative
16132         operands.  Use ix86_binary_operator_ok.
16133         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
16134         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
16135         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
16136         sse2_punpcklqdq): Allow operand2 in memory.
16137         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
16138         sse2_movsd): Add memory alternatives.
16139         (sse_storelps): Turn expander into an insn; split after reload.
16140         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
16141         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
16142
16143 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
16144
16145         * configure.ac (DWARF-2 debug_line): Use objdump.
16146         * configure: Regenerate.
16147
16148 2005-01-08  Jeff Law  <law@redhat.com>
16149             Diego Novillo  <dnovillo@redhat.com>
16150
16151         PR tree-optimization/18241
16152         * tree-nrv.c (tree_nrv): Ignore volatile return values.
16153         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
16154         statements with volatile operands.
16155         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
16156         operands after marking a statement with has_volatile_ops.
16157
16158 2005-01-08  Roger Sayle  <roger@eyesopen.com>
16159
16160         * tree.c (int_fits_type_p): Always honor integer constant
16161         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
16162
16163 2005-01-08  Roger Sayle  <roger@eyesopen.com>
16164
16165         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
16166         the latent bug in rtl_delete_block has been resolved.
16167
16168 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
16169
16170         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
16171         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
16172
16173 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
16174
16175         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
16176         library as @multilib_dir@/$(SHLIB_SONAME).
16177
16178 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
16179
16180         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
16181         * configure: Regenerate.
16182
16183 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
16184
16185         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
16186         TYPE_MODE.
16187
16188 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
16189
16190         PR target/13674
16191         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
16192         Convert non-word aligned offset address using ld/std into
16193         indirect address.
16194
16195 2005-01-07  Richard Henderson  <rth@redhat.com>
16196
16197         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
16198
16199 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
16200
16201         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
16202
16203 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
16204
16205         PR tree-optimization/19283
16206         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
16207         is not shorter than the original type.
16208
16209         PR rtl-optimization/19012
16210         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
16211
16212         PR rtl-optimization/18861
16213         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
16214         (FULL_STATE): Define.
16215         (mark_tablejump_edge): New function.
16216         (purge_dead_tablejump_edges): New function.
16217         (find_bb_boundaries): Use it.
16218
16219         PR tree-optimization/18828
16220         * builtins.c (expand_builtin_next_arg): Remove argument and all
16221         the argument checking.
16222         (expand_builtin): Adjust caller.
16223         (expand_builtin_va_start): Likewise.  Remove error for too many
16224         arguments.
16225         (fold_builtin_next_arg): Issue error for too many arguments.
16226         After checking arguments, replace them with magic arguments that
16227         prevent further checking of the args.
16228
16229 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16230
16231         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
16232
16233 2005-01-06  Roger Sayle  <roger@eyesopen.com>
16234
16235         PR target/6077
16236         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
16237         and %{.S:...} (and their negative variants) to test whether the
16238         input file is assembler or pre-processed-assembler independent of
16239         the actual filename extension.
16240
16241 2005-01-06  Roger Sayle  <roger@eyesopen.com>
16242
16243         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
16244         of sign or zero extended values.
16245
16246 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
16247
16248         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
16249         for IBM long double format correctly.
16250
16251 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
16252
16253         Fix PR tree-optimization/18792
16254
16255         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
16256         to first_loop_depth, and use loop depth instead of loop number.
16257         (build_classic_dir_vector): Ditto.
16258         (compute_data_dependences_for_loop): Use depth, not loop number.
16259         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
16260         number. Pass in loops, instead of loop numbers.
16261         (gather_interchange_stats): Ditto.
16262         (linear_transform_loops): Ditto.
16263
16264 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
16265
16266         PR rtl-opt/13299
16267         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
16268         biv_fits_mode_p, extension_within_bounds_p): New functions.
16269         (check_ext_dependent_givs): Use them.
16270
16271 2005-01-06  Roger Sayle  <roger@eyesopen.com>
16272
16273         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
16274         more than one barrier, in which case we should delete them all.
16275
16276 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
16277
16278         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
16279
16280 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
16281
16282         Fix PR middle-end/19286
16283         Fix PR debug/19267
16284         * dwarf2out.c (gen_subprogram_die): If we've already tried to
16285         output this subprogram, simply ignore this attempt to do it again.
16286         (add_abstract_origin_attribute): Don't abort trying to add the abstract
16287         origin attribute if it's not possible.
16288         (gen_block_die): Don't ignore subblocks of "unused" blocks.
16289         (decls_for_scope): Ditto.
16290         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
16291         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
16292
16293 2005-01-05  Richard Henderson  <rth@redhat.com>
16294
16295         PR target/11327
16296         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
16297         (bdesc_2arg): Use it.
16298         (ix86_expand_binop_builtin): Force operands into registers
16299         when optimizing.
16300         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
16301         ix86_expand_sse_compare, ix86_expand_sse_comi,
16302         ix86_expand_builtin): Likewise.
16303
16304 2005-01-05  Richard Henderson  <rth@redhat.com>
16305
16306         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
16307         and VEC_SELECT.
16308         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
16309         (mulv4hi3): Set itanium_class mmmul.
16310         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
16311         (fpack): Rename from fpack_sfsf.
16312
16313 2005-01-05  Richard Henderson  <rth@redhat.com>
16314
16315         PR rtl-opt/10692
16316         * reload1.c (do_input_reload): Restrict the optimization deleteing
16317         a previous output reload to RELOAD_FOR_INPUT.
16318
16319 2005-01-05  Steven Bosscher  <stevenb@suse.de>
16320
16321         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
16322         comment that we fall through after case.
16323         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
16324         (distribute_links): Likewise.
16325         * cse.c (cse_insn): Likewise.
16326         * cselib.c (cselib_invalidate_mem): Likewise.
16327         * df.c: Update comments at the top of the file.
16328         (read_modify_subreg_p): Update comments here too.
16329         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
16330         * flow.c (mark_set_1): Likewise.
16331         (mark_used_regs): Likewise.
16332         * gcse.c (mems_conflict_for_gcse_p): Likewise.
16333         (canon_list_insert): Likewise.
16334         (mark_set): Likewise.
16335         (try_replace_reg): Likewise.
16336         (store_killed_in_insn): Likewise.
16337         * loop.c (count_one_set): Likewise.
16338         (basic_induction_var): Likewise.
16339         * postreload-gcse.c (find_mem_conflicts): Likewise.
16340         * postreload.c (reload_combine_note_store): Likewise.
16341         (move2add_note_store): Likewise.
16342         * reload.c (find_equiv_reg): Likewise.
16343         (mark_referenced_resources): Likewise.
16344         * rtlanal.c (set_noop_p): Likewise.
16345         (note_stores): Likewise.
16346         (note_uses): Likewise.
16347         * sched-deps.c (sched_analyze_1): Likewise.
16348         * sched-rgn.c (check_live_1): Likewise.
16349         (update_live_1): Likewise.
16350         * config/i860/i860.c: Likewise.
16351
16352         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
16353         an lvalue.
16354         (ZERO_EXTRACT): Mention that this one can be an lvalue.
16355
16356         * doc/rtl.texi: Update documentation for bit-fields and SET.
16357
16358 2005-01-05  Roger Sayle  <roger@eyesopen.com>
16359
16360         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
16361
16362 2005-01-05  Jan Hubicka  <jh@suse.cz>
16363             Richard Henderson  <rth@redhat.com>
16364
16365         PR target/18910
16366         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
16367         with an offset.
16368
16369 2005-01-05  Richard Henderson  <rth@redhat.com>
16370
16371         PR target/12902
16372         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
16373         (sse_shufps): Change operand 3 to const_int_operand.
16374         (sse2_storelps): Fix typo in template.
16375         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
16376         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
16377         (ix86_expand_builtin): Likewise.
16378
16379 2005-01-05  Julian Brown  <julian@codesourcery.com>
16380
16381         * config/arm/arm.c (arm_return_in_memory): Treat complex types
16382         as aggregates for AAPCS ABIs.
16383
16384 2005-01-05  Stan Shebs  <shebs@apple.com>
16385
16386         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
16387         Mach-O getters if ppc64.
16388         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
16389         size argument.
16390         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
16391         signed four-byte field for global code case.
16392         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
16393
16394 2005-01-05  Roger Sayle  <roger@eyesopen.com>
16395
16396         PR middle-end/19100
16397         * c-common.c: Include real.h.
16398         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
16399         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
16400         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
16401         * Makefile.in (c-common.o): Update dependencies.
16402
16403 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
16404
16405         * c-parse.in (asm_string): Add trailing semicolon.
16406
16407 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
16408
16409         * c-parse.in (asm_string): New.  Don't allow wide strings in
16410         'asm'.
16411         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
16412         asm_string instead of STRING.
16413
16414 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
16415
16416         * c-typeck.c (constructor_no_implicit): Remove.
16417         (set_designator, process_init_element): Don't check
16418         constructor_no_implicit.
16419
16420 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
16421             Kaz Kojima  <kkojima@gcc.gnu.org>
16422
16423         PR target/16482
16424         * lcm.c (create_pre_exit): New.
16425         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
16426         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
16427
16428 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
16429
16430         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
16431         -msoft-float in target_float_switch.
16432         * arm.c (arm_override_options): Fix processing of target_float_switch.
16433
16434 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
16435
16436         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
16437         preferencing.
16438
16439 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
16440
16441         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
16442         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
16443
16444 2005-01-04  Roger Sayle  <roger@eyesopen.com>
16445
16446         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
16447         if deleting the then-block allows the test-block to fallthru to the
16448         else-block.
16449
16450 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
16451
16452         PR c/19152
16453         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
16454         after the full declaration if the are in two different TUs.
16455
16456 2005-01-04  Richard Henderson  <rth@redhat.com>
16457
16458         PR tree-opt/19158
16459         * tree-sra.c (generate_one_element_init): Just
16460         call gimplify_and_add.
16461         (generate_element_init): Record the
16462         new referenced variables and mark them for renaming
16463         and split out to ...
16464         (generate_element_init_1): This.
16465         (scalarize_init): Don't call push_gimplify_context/
16466         pop_gimplify_context.
16467
16468 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
16469
16470         * toplev.c (get_src_pwd): Handle failure of getpwd().
16471
16472 2005-01-04  Roger Sayle  <roger@eyesopen.com>
16473
16474         * fold-const.c (fold_single_bit_test): Delete unreachable handling
16475         of TRUTH_NOT_EXPR.
16476         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
16477         all the cases handled by it are inverted by invert_truthvalue.
16478
16479 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
16480
16481         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
16482         (save_register_windowsi): Likewise.
16483
16484 2005-01-04  Richard Henderson  <rth@redhat.com>
16485
16486         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
16487
16488 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
16489
16490         PR middle-end/17767
16491         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
16492         any simplifications of vector mode comparison operators.
16493         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
16494
16495 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
16496             Devang Patel  <dpatel@apple.com>
16497
16498         PR tree-optimization/18308
16499         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
16500         the operands before creating a new expression.
16501         * dojump.c (do_jump): Make drop_through_label available
16502         for all cases.  Add expansion of COND_EXPR.
16503
16504 2005-01-04  Ira Rosen  <irar@il.ibm.com>
16505
16506         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
16507         INTEGER_CST instead of TREE_CONSTANT.
16508         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
16509         instead of TREE_CONSTANT.
16510         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
16511         instead of TREE_CONSTANT.
16512
16513 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
16514
16515         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
16516
16517 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
16518
16519         PR target/19240
16520         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
16521         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
16522
16523 2005-01-03  Richard Henderson  <rth@redhat.com>
16524
16525         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
16526         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
16527         fold_convert_const_real_from_real): Split out from ...
16528         (fold_convert_const): ... here.
16529
16530 2005-01-03  Richard Henderson  <rth@redhat.com>
16531
16532         PR target/19235
16533         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
16534         (mov<MMXMODEI>_internal): Likewise.
16535         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
16536         Add V2SF case; use it for SSE1; don't use TI.
16537         (movdf_integer): Likewise.
16538         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
16539
16540 2005-01-03  Ira Rosen  <irar@il.ibm.com>
16541
16542         * tree-vectorizer.c (vect_strip_conversions): New function.
16543         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
16544         check for binary class.
16545
16546 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
16547
16548         Fix PR debug/17924
16549         Fix PR debug/19191
16550         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
16551         is a decl.
16552         * gimple-low.c (mark_blocks_with_used_vars): New function.
16553         (mark_blocks_with_used_subblocks): Ditto.
16554         (mark_used_blocks): Ditto.
16555         (pass_mark_used_blocks): New pass.
16556         * tree-inline.c: Include debug.h.
16557         (expand_call_inline): Call outlining_inline_function here.
16558         * tree-optimize.c (init_tree_optimization_passes): Add
16559         pass_mark_used_blocks.
16560         * tree-pass.h (pass_mark_used_blocks): New.
16561         * Makefile.in (tree-inline.o): Add debug.h dependency.
16562
16563 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
16564
16565         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
16566         VAR_DECLs to have weak_import attribute.
16567
16568         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
16569         'struct ucontext'.
16570
16571 2004-01-03  Steven Bosscher  <stevenb@suse.de>
16572
16573         * passes.c (rest_of_compilation): Don't run regmove if only
16574         flag_expensive_optimizations, require flag_regmove instead.
16575
16576 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
16577
16578         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
16579         register "sparc".
16580         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
16581         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
16582         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
16583         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
16584
16585 2005-01-03  Richard Henderson  <rth@redhat.com>
16586
16587         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
16588         (ia64_const_ok_for_letter_p): New.
16589         (ia64_const_double_ok_for_letter_p): New.
16590         (ia64_extra_constraint): New.
16591         (ia64_expand_vecint_compare): New.
16592         (ia64_expand_vcondu_v2si): New.
16593         (ia64_expand_vecint_cmov): New.
16594         (ia64_expand_vecint_minmax): New.
16595         (ia64_print_operand): Add 'v'.
16596         (ia64_preferred_reload_class): New.
16597         (ia64_vector_mode_supported_p): New.
16598         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
16599         (PREFERRED_RELOAD_CLASS): Move to function.
16600         (CONST_OK_FOR_LETTER_P): Move to function.
16601         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
16602         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
16603         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
16604         (EXTRA_CONSTRAINT): Move to function.
16605         * config/ia64/ia64.md: Include vect.md.
16606         (itanium_class): Add mmalua.
16607         (type): Handle it.
16608         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
16609         (1b_mmalua): New.
16610         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
16611         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
16612         CONST0_RTX.
16613         (const_int_2bit_operand): New.
16614         (fr_reg_or_0_operand): New.
16615         * config/ia64/ia64-modes.def: Add vector modes.
16616         * config/ia64/ia64-protos.h: Update.
16617         * config/ia64/vect.md: New file.
16618
16619 2005-01-03  Richard Henderson  <rth@redhat.com>
16620
16621         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
16622
16623 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
16624
16625         PR target/19236
16626         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
16627         to SFmode.
16628         (log1pdf2): Change mode of operands[0,1] to DFmode.
16629
16630 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
16631
16632         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
16633         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
16634         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
16635         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
16636         SPARC_RELAXED_ORDERING.
16637
16638 2005-01-03  Richard Henderson  <rth@redhat.com>
16639             Uros Bizjak  <uros@kss-loka.si>
16640
16641         PR target/14631
16642         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
16643         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
16644         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
16645         handling.
16646         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
16647         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
16648         const_pow2_1_to_128_operand): New predicates.
16649
16650 2005-01-02  Greg McGary  <greg@mcgary.org>
16651
16652         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
16653         anonymous decls.
16654         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
16655         object.  [ptr_type]: Remove unused variable.
16656         Remember nearest addressable array-element or record-component
16657         when checking bitfield components.  Tolerate empty BIND_EXPR.
16658
16659 2005-01-01  Richard Henderson  <rth@redhat.com>
16660
16661         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
16662         that don't narrow the value.  Fail for other conversions.
16663
16664 2005-01-01  Richard Henderson  <rth@redhat.com>
16665
16666         PR c/19031
16667         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
16668         * c-lang.c (finish_file): Don't do it here.
16669         * objc/objc-act.c (objc_finish_file): Likewise.
16670
16671         * cgraph.c (decl_assembler_name_equal): New.
16672         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
16673         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
16674         * cgraph.h (struct cgraph_varpool_node): Add next.
16675         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
16676         * varasm.c (assemble_alias): Mark the target as needed.
16677
16678 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
16679
16680         PR middle-end/19221
16681         * function.c (get_arg_pointer_save_area): Use entry_of_function
16682         instead of get_insns.
16683
16684 2005-01-01  Roger Sayle  <roger@eyesopen.com>
16685             Andrew Pinski  <pinskia@physics.uc.edu>
16686             James E. Wilson  <wilson@specifixinc.com>
16687
16688         PR rtl-optimization/12092
16689         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
16690         is zero.
16691
16692 2005-01-01  Roger Sayle  <roger@eyesopen.com>
16693             Olivier Hainque  <hainque@act-europe.fr>
16694
16695         * tree.c (int_fits_type_p): A narrower type always fits in a
16696         wider one, except for negative values into unsigned types.
16697
16698 2005-01-01  Roger Sayle  <roger@eyesopen.com>
16699
16700         * tree.c (int_fits_type_p): Compare the result of force_fit_type
16701         with the original constant rather than require TREE_OVERFLOW.
16702
16703 2005-01-01  Steven Bosscher  <stevenb@suse.de>
16704
16705         PR middle-end/17544
16706         * c-decl.c (finish_function): If compiling C99, annotate the
16707         compiler generated return with the current file name and line 0.
16708         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
16709         the source line is greater than 0.
16710         (remove_bb): Likewise.