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* tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
2
3         * fold-const.c, libgcov.c: Fix comment typos.
4
5         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
6         redundant code.
7
8 2005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>
9
10         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
11         * config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
12         default definition.
13         (FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.
14
15 2005-05-11  Nathan Sidwell  <nathan@codesourcery.com>
16
17         PR bootstrap/21481
18         * crtstuff.c: Include auto-host.h again, for now.
19
20 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
21
22         * config/mips/24k.md: Remove trailing whitespace.
23
24 2005-05-11  David Ung  <davidu@mips.com>
25
26         * config/mips/mips.md (type): Add imul3.
27         (length, hazard, may_clobber_hilo): Check for imul3.
28         (mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
29         (*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
30         * config/mips/24k.md (r24k_int_mul3): Enable this reservation
31         for a 3 operand mul and its bypasses.
32         * config/mips/3000.md (r3k_imul): Add imul3 to reservations.
33         * config/mips/4000.md (r4k_imul): Likewise.
34         * config/mips/4100.md (r4100_imul_si, r4100_imul_di):  Likewise.
35         * config/mips/4130.md (vr4130_class, vr4130_mulsi)
36         (vr4130_muldi): Likewise.
37         * config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
38         * config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
39         * config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
40         * config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
41         (ir_vr54_imadd_si): Likewise.
42         * config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di):  Likewise.
43         * config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
44         (rm7_impy_di): Likewise.
45         * config/mips/9000.md (rm9k_mulsi, rm9k_muldi):  Likewise.
46         * config/mips/generic.md (generic_imul): Likewise.
47         * config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
48         * config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di):  Likewise.
49
50 2005-05-11  J"orn Rennecke <joern.rennecke@st.com>
51
52         PR middle-end/20371:
53         * tree.h (record_layout_info_s): New member prev_packed.
54         * stor-layout.c (update_alignment_for_field): Fix comment about
55         KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
56         we start it properly aligned.
57         (place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
58         to update_alignment_for_field, and recompute it afterwards using
59         the alignment of the record.
60         When a packed bitfield precedes an MS bitfield, don't add padding
61         at the end of the packed bitfield on behalf of the base type of
62         the packed bit field.
63         Don't adjust rli->bitpos at the end
64         of an MS bitfield run if we already adjusted bitpos/offset for an
65         alignment as large or larger than the bitfield type size.
66         Take possible record alignment > BIGGEST_ALIGNMENT into account
67         when calculating actual_align.
68         Only put packed buit fields into rli->prev_field if they end up
69         suitably aligned.
70         Also set rli->remaining_in_alignment when we re-set rli->prev_field.
71         Update rli->remaining_in_alignment when we have already started a
72         run of bit fields and we process a packed bit field.
73
74 2005-05-11  Sebastian Pop  <pop@cri.ensmp.fr>
75
76         * tree-data-ref.c (find_data_references_in_loop): Give up when
77         the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
78         may embed arbitrary side effects.
79         Remove the assumption that GIMPLE form contains a single array
80         access per statement.
81         When the statement contains virtual operands, fail if it is not
82         a MODIFY_EXPR or a CALL_EXPR.
83         Return after the dont know node is inserted.
84
85 2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
86
87         * arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
88
89 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
90
91         PR middle-end/19807
92         PR tree-optimization/19639
93         * fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
94         and generic summands for char* as s * delta, too, folding &a[i]
95         CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
96         for comparison of steps.  Convert types for index addition.
97         (fold_binary): Adjust the callers to always dispatch to
98         try_move_mult_to_index.
99         * tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
100         expr with non-gimple ARRAY_REF offset.
101
102 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
103
104         * fold-const.c (fold_indirect_ref_1): Avoid removing
105         NOP_EXPRs with type qualifiers like const.
106
107 2005-05-11  Richard Henderson  <rth@redhat.com>
108
109         PR c/21502
110         * c-decl.c (finish_decl): Propagate the completed array type of
111         a global variable into the binding.
112
113 2005-05-10  Matt Kraai  <kraai@ftbfs.org>
114
115         * Makefile.in (gtype-desc.o, build/genautomata.o)
116         (build/varray.o): Depend on $(VARRAY_H).
117         
118 2005-05-10  Diego Novillo  <dnovillo@redhat.com>
119
120         * tree-optimize.c (init_tree_optimization_passes): Re-organize
121         optimization passes to do an initial batch of scalar cleanups.
122
123 2005-05-10  Ian Lance Taylor  <ian@airs.com>
124
125         * read-rtl.c (struct macro_traverse_data): Define.
126         (map_attr_string): New static function, broken out of
127         apply_macro_to_string.
128         (mode_attr_index, apply_mode_maps): New static functions.
129         (apply_macro_to_string): Call map_attr_string.
130         (apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
131         all callers.
132         (apply_macro_traverse): Expect data to point to a struct
133         macro_traverse_data.
134         (read_rtx): Add mode_maps local variable.  Use mode_traverse_data
135         to pass data through htab_traverse.
136         (read_rtx_1): Add mode_maps parameter.  Change all callers.
137         Handle mode names which are attribute strings.
138         * doc/md.texi (Substitutions): Rename from String Substitutions.
139         Change references.  Document using attributes as modes.
140
141 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
142
143         * tree-cfg.c (tree_duplicate_sese_region): Update profile.
144         * tree-optimize.c (init_tree_optimization_passes) Swap
145         pass_ch and pass_profile.
146         * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
147         here.  Remove rewrite_into_loop_closed_ssa call.
148
149 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
150
151         * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
152         function.
153         (legitimate_reload_constant_p): Add check for const double zero.
154         * config/s390/s390.md: Add comment for constraint letter 'G'.
155         ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
156         attributes for new case.
157         * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
158         s390_const_double_ok_for_constraint_p.
159         * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
160         Add prototype.
161
162 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
163
164         PR tree-optimization/21170
165         * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
166         rewrite_ssa_into_ssa in comments with update_ssa.
167
168 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
169
170         * tree-ssa-loop-im.c: Include hashtab.h.
171         (struct mem_ref_loc): New.
172         (struct mem_ref): Describe the set of references with the same
173         shape.
174         (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
175         maybe_queue_var, fem_single_reachable_address,
176         for_each_memref, single_reachable_address,
177         is_call_clobbered_ref, determine_lsm_reg): Removed.
178         (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
179         hoist_memory_reference, memref_hash, memref_eq, memref_del,
180         gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
181         New functions.
182         (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
183         (determine_lsm_loop): Rewritten.
184         (determine_lsm): Do not set stmt uids.
185
186 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
187
188         * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
189         letters.
190         
191 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
192
193         * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
194         ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
195         ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.
196
197 2005-05-10  Jeff Law  <law@redhat.com>
198
199         * tree-ssa-dom.c (dom_opt_finalize_block): Do not call
200         thread_across_edge for any abnormal edges.
201
202 2005-05-10  Richard Henderson  <rth@redhat.com>
203
204         * config/ia64/ia64.c (ia64_expand_atomic_op): New.
205         * config/ia64/ia64-protos.h: Declare it.
206         * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
207         (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
208         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
209         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
210         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
211         (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
212         extend result; use release semantics.
213         (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
214         (sync_val_compare_and_swap_<IMODE>): Update to match.
215
216 2005-05-10  Richard Henderson  <rth@redhat.com>
217
218         * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
219         before comparing it for success.
220
221 2005-05-10  Richard Henderson  <rth@redhat.com>
222
223         * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
224         no return value pattern.
225
226 2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
227             H.J. Lu  <hongjiu.lu@intel.com>
228
229         * libgcov.c (create_file_directory): New function. Create
230         directory for the given file name.
231         (gcov_max_filename): New static var. Keeps size of the longest
232         file name.
233         (gcov_exit): Always try to create directory for output
234         file. Relocate each filename basing on environment vars.
235         (__gcov_init): Remember the longest file name.
236         * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
237         * doc/gcov.texi (Cross-profiling): New node documenting
238         cross-profiling management.
239         * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.
240
241 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
242
243         * config/sparc/sparc.c (mem_min_alignment): Do not rely
244         on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.
245
246 2005-05-10  Bob Wilson  <bob.wilson@acm.org>
247
248         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
249         case code to avoid one move instruction.
250         (__umodsi3, __modsi3): Merge duplicated code sequences.
251
252 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
253
254         * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
255         config/sh/sh.md, config/sh/superh.h: Fix comment typos.
256         * doc/invoke.texi: Fix typos.
257
258         * tree-data-ref.c (analyze_array_indexes, analyze_array,
259         init_data_ref, access_functions_are_affine_or_constant_p,
260         free_data_refs): Use VEC instead of VARRAY.
261         * tree-data-ref.h (data_reference): Change the type of
262         access_fns to VEC(tree,gc)*.
263         (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.
264
265 2005-05-10  Gabor Loki <loki@gcc.gnu.org>
266
267         PR c/17913
268         * c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
269         * fold-const.c (fold): Expand the condition of reducing cond_expr.
270         (contains_label_1, contains_label_p): New functions for checking
271         labels in a sub-tree.
272
273 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
274
275         PR c/21342
276         * c-decl.c (pushdecl): When there is a declaration in the current
277         scope and the declarations are external linkage, check for
278         compatibility with the type in the external scope and update the
279         type in the external scope with the composite type information.
280         Do not form a composite type of the new type and the visible type
281         if they are incompatible.
282
283 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
284
285         * crtstuff.c: Revert part of 2005-05-08 Change.
286         (IN_LIBGCC2): Define.
287
288 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
289
290         * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
291         remove redundant test.
292         (fp_mov_p): Accept 0.
293         (fp_high_losum_p): Remove redundant test.
294         * config/sparc/predicates.md (const_high_operand): Explicitly test
295         (not small_int_operand).
296         (fp_const_high_losum_operand): New.
297         * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
298         (movdi_insn_sp32_v9): Use canonical predicates.
299         (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
300         (movdi_insn_sp64_novis): Delete.
301         (movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
302         (movsf_insn_novis): Delete.
303         (movsf_insn_vis): Rename into movsf_insn.
304         (movsf_no_f_insn): Rename into movsf_insn_no_fpu.
305         (movsf_lo_sum): Use fp_const_high_losum_operand.
306         (movsf_high): Likewise.
307         (movsf_high_losum splitter): Likewise.
308         (mov<V32:mode> expander): Use register_or_zero_operand.
309         (mov<V64:mode> expander): Likewise.
310         (movdf_insn_sp32): Use register_or_zero_operand.
311         (movdf_no_e_insn_sp32): Use register_or_zero_operand.
312         Rename into movdf_insn_sp32_no_fpu.
313         (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
314         Rename into movdf_insn_sp32_v9_no_fpu.
315         (movdf_insn_v9only_novis): Delete.
316         (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
317         (movdf_insn_sp64_novis): Delete.
318         (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
319         (movdf_no_e_insn_sp64): Use register_or_zero_operand. 
320         Rename into movdf_insn_sp64_no_fpu.
321         (movtf expander): Use register_or_zero_operand.
322         (movtf_insn_sp32): Delete.
323         (movtf_insn_vis_sp32): Use register_or_zero_operand.
324         Rename into movtf_insn_sp32.
325         (movtf_no_e_insn_sp32): Use register_or_zero_operand.
326         Rename into movtf_insn_sp32_no_fpu.
327         (movtf_insn_hq_sp64): Delete.
328         (movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
329         Rename into movtf_insn_sp64_hq.
330         (movtf_insn_sp64): Delete.
331         (movtf_insn_vis_sp64): Use register_or_zero_operand.
332         Rename into movtf_insn_sp64.
333         (movtf_no_e_insn_sp64): Use register_or_zero_operand.
334         Rename into movtf_insn_sp64_no_fpu.
335
336 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
337
338         * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
339         gcc_assert and gcc_unreachable as appropriate.
340         (xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
341         xstormy16_output_cbranch_si, xstormy16_split_move,
342         xstormy16_initial_elimination_offset,
343         xstormy16_encode_section_info, xstormy16_print_operand_address,
344         xstormy16_expand_call, xstormy16_expand_arith,
345         xstormy16_output_shift, xstormy16_init_builtins): Likewise.
346
347 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
348
349         * tree-outof-ssa.c (_elim_graph): Change the type of nodes and
350         const_copies to VEC(tree,heap)*.
351         (new_elim_graph, delete_elim_graph, elim_graph_size,
352         elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
353         instead of VARRAY.
354
355 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
356
357         PR other/21052
358         * doc/extend.texi (Type Attributes): Correct example syntax.
359
360 2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
361
362         PR c/21160
363         * doc/invoke.texi (-Wuninitialized): Update documentation.
364
365 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
366
367         * arm.c (const_ok_for_arm): Use a faster algorithm.
368
369 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
370
371         PR target/21477
372         * config/rs6000/rs6000.md (add_op2): New.
373         (add<mode>3): Use it.
374
375 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
376
377         * arm.c (arm_gen_constant): Add new heuristic for generating
378         constant integers that can be expressed as the difference of two
379         valid immediates.
380
381 2005-05-09  Roger Sayle  <roger@eyesopen.com>
382
383         * c-tree.h (parser_build_unary_op): New prototype.
384         * c-typeck.c (parser_build_unary_op): New function to construct
385         a unary operation in the C parser.
386         * c-parser.c (c_parser_unary_expression):  Use the new function
387         parser_build_unary_op when appropriate.
388
389 2005-05-09  Mark Mitchell  <mark@codesourcery.com>
390
391         PR 18655
392         * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
393         before outputting DWARF_FRAME_RETURN_COLUMN.
394
395 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
396
397         * config/s390/s390.c: (s390_branch_condition_mask,
398         s390_branch_condition_mnemonic, s390_extra_constraint_str,
399         s390_const_ok_for_constraint_p, s390_expand_plus_operand,
400         legitimize_pic_address, s390_emit_tls_call_insn,
401         legitimize_tls_address, legitimize_tls_address,
402         s390_expand_addcc, print_shift_count_operand, print_operand,
403         addr_generation_dependency_p, annotate_constant_pool_refs,
404         s390_split_branches, find_constant_pool_ref,
405         replace_constant_pool_ref, s390_add_constant, s390_find_constant,
406         s390_find_execute, s390_mainpool_start, s390_chunkify_start,
407         s390_output_pool_entry, s390_function_value,
408         s390_call_saved_register_used, s390_emit_call): Replace
409         conditional aborts by gcc_assert and unconditional by gcc_unreachable.
410         (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
411         s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
412         get_some_local_dynamic_name, s390_function_arg_size,
413         s390_function_arg_advance, s390_function_arg,
414         s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
415         default case by gcc_unreachable.
416         * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
417         conditional abort by gcc_assert.
418         ("doloop_si31"): Replace abort in last else by gcc_unreachable.
419         ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
420
421 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
422
423         * config/s390/s390.c: (s390_decompose_address,
424         tls_symbolic_operand, legitimate_pic_operand_p,
425         legitimate_constant_p, legitimate_reload_constant_p,
426         s390_expand_plus_operand, legitimate_address_p,
427         legitimate_la_operand_p, ): Remove 'register' from signature.
428         (symbolic_reference_mentioned_p,
429         tls_symbolic_reference_mentioned_p): Remove 'register' from local
430         variable declarations.
431         (legitimize_address): Remove 'register' from
432         signature and local variable declarations.
433
434 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
435
436         * config/s390/s390-protos.h: (s390_match_ccmode,
437         s390_match_ccmode_set, reg_used_in_mem_p,
438         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
439         legitimate_la_operand_p, preferred_la_operand_p,
440         s390_short_displacement, addr_generation_dependency_p,
441         legitimate_reload_constant_p, legitimate_address_p): Change return type
442         into 'bool'.
443         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'. 
444         * config/s390/s390.c: (s390_match_ccmode,
445         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
446         legitimate_reload_constant_p): Change return type into 'bool'.
447         (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
448         Likewise.  Additionally adapted comment.  
449         (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
450         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'. 
451         (s390_decompose_address): Change the type of the internal flags
452         "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
453         (struct s390_address): Change type of "pointer" into bool.
454         * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
455         Adapt calls for 's390_tm_ccmode' to the new signature.
456
457 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
458
459         * config/s390/s390.c: (s390_match_ccmode_set,
460         s390_branch_condition_mnemonic, s390_short_displacement,
461         s390_decompose_address, get_thread_pointer, legitimize_tls_address,
462         print_shift_count_operand, get_some_local_dynamic_name,
463         get_some_local_dynamic_name_1, reg_used_in_mem_p,
464         addr_generation_dependency_p, s390_split_branches,
465         annotate_constant_pool_refs, find_constant_pool_ref,
466         replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
467         s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
468         s390_register_info, s390_frame_info, s390_init_frame_layout,
469         s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
470         restore_gprs, s390_function_arg_size, s390_function_arg_float,
471         s390_init_machine_status, s390_assemble_integer, s390_handle_option,
472         s390_encode_section_info, s390_cannot_force_const_mem,
473         s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
474         s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
475         s390_adjust_priority, s390_issue_rate,
476         s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
477         s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
478         s390_build_builtin_va_list, s390_gimplify_va_arg,
479         s390_function_ok_for_sibcall, s390_call_saved_register_used,
480         s390_pass_by_reference, s390_fixed_condition_code_regs,
481         s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
482         s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
483         s390_chunkify_cancel, s390_start_pool, s390_end_pool,
484         s390_add_pool_insn, s390_find_pool, s390_add_constant,
485         s390_find_constant, s390_add_execute, s390_find_execute,
486         s390_execute_label, s390_execute_target, s390_dump_pool,
487         s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes. 
488         Move target macro definitions to the end of the file.  Move several
489         functions within the file to assure correct compiling.
490
491 2005-05-09  Steven Bosscher  <stevenb@suse.de>
492
493         * calls.c (purge_reg_equiv_notes): Remove, fold into...
494         (fixup_tail_calls): ...here.  Only look at insns between the
495         start of the function and the FUNCTION_BEG insn note.
496
497         * gcse.c (one_cprop_pass): Fix typos in dumps.
498
499         * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
500
501 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
502
503         * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
504         * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
505         "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
506         Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
507         CC_REGNUM)'.
508         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
509         '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
510         ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
511         REG_SC)'.
512
513 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
514
515         * config/s390/s390.md: ("gf") New mode attribute.
516         ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
517         "fixuns_truncsfsi2"): Merge.
518         ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
519         ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
520         "fix_truncsfsi2_ieee"): Merge.
521
522 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
523
524         * config/s390/s390.md: ("FPR") New mode macro.
525         ("de", "dee"): New mode attributes.
526         ("cmpdf", "cmpsf"): Merge.
527         ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
528         ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
529         ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
530         ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
531         ("floatdidf2", "floatdisf2"): Merge.
532         ("adddf3", "addsf3"): Merge.
533         ("*adddf3", "*addsf3"): Merge.
534         ("*adddf3_cc", "*addsf3_cc"): Merge.
535         ("*adddf3_cconly", "*addsf3_cconly"): Merge.
536         ("*adddf3_ibm", "*addsf3_ibm"): Merge.
537         ("subdf3", "subsf3"): Merge.
538         ("*subdf3", "*subsf3"): Merge.
539         ("*subdf3_cc", "*subsf3_cc"): Merge.
540         ("*subdf3_cconly", "*subsf3_cconly"): Merge.
541         ("*subdf3_ibm", "*subsf3_ibm"): Merge.
542         ("muldf3", "mulsf3"): Merge.
543         ("*muldf3", "*mulsf3" "): Merge.
544         ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
545         ("*fmadddf", "*fmaddsf"): Merge.
546         ("*fmsubdf", "*fmsubsf"): Merge.
547         ("divdf3", "divsf3"): Merge.
548         ("*divdf3", "*divsf3"): Merge.
549         ("*divdf3_ibm", "*divsf3_ibm"): Merge.
550         ("negdf2", "negsf2"): Merge.
551         ("*negdf2_cc", "*negsf2_cc"): Merge.
552         ("*negdf2_cconly", "*negsf2_cconly"): Merge.
553         ("*negdf2", "*negsf2"): Merge.
554         ("*negdf2_ibm", "*negsf2_ibm"): Merge.
555         ("absdf2", "abssf2"): Merge.
556         ("*absdf2_cc", "*abssf2_cc"): Merge.
557         ("*absdf2_cconly", "*abssf2_cconly"): Merge.
558         ("*absdf2", "*abssf2"): Merge.
559         ("*absdf2_ibm", "*abssf2_ibm"): Merge.
560         ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
561         ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
562         ("*negabsdf2", "*negabssf2"): Merge.
563         ("sqrtdf2", "sqrtsf2"): Merge.
564
565 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
566
567         * config/s390/s390.c: (s390_adjust_priority): Adapt to changed 
568         attribute names.
569         * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
570         "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
571         ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
572         "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
573         attribute names.
574         * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
575         fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
576         "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
577         fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
578         ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
579         "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
580         "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
581         "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
582         "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
583         "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
584         "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
585         "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
586         "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
587         "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
588         "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
589         "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
590         'type' value.
591         ("*divsf3"): Additionally rename second pattern to
592         "*divsf3_ibm".
593         ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
594         "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
595         "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
596         "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
597         "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
598         'type values' and rename 'type' value.
599         ("*addsf3"): Additionally rename second pattern to
600         "*addsf3_ibm".
601
602 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
603
604         * config/s390/s390.md: ("SHIFT"): New mode macro.
605         ("lr", "shift"): New mode attributes.
606         ("ashldi3", "lshrdi3"): Merge.
607         ("*ashldi3_31", "*lshrdi3"_31): Merge.
608         ("*ashldi3_64", "*lshrdi3"_64): Merge.
609         ("ashlsi3", "lshrsi3"): Merge.
610
611 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
612
613         * config/s390/s390.md: ("DSI", "SCOND"): New mode 
614         macros.
615         ("E", "g"): New mode attributes.
616         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
617         ("*adddi3_alc", "*addsi3_alc"): Merge.
618         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
619         ("*subdi3_slb", "*subsi3_slb"): Merge.
620         ("adddicc", "addsicc"): Merge.
621         ("*sconddi", "*scondsi"): Merge.
622         ("*sconddi_neg", "*scondsi_neg"): Merge.
623         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
624         ("negdi2", "negsi2"): Extract expander pattern from
625         "negsi2" and merge with "negdi2".
626         ("*negdi2"): Merge with instruction pattern of "negsi2".
627         ("*negdi2_cc", "*negsi2_cc"): Merge.
628         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
629         ("rotldi3", "rotlsi3"): Merge.
630
631 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
632
633         * config/s390/s390.md: ("hc"): New mode attribute.
634         ("extendhidi2", "extendqidi2"): Merge.
635         ("*extendhidi2", "*extendqidi2"): Merge.
636         ("extendhisi2", "extendqisi2"): Merge.
637         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
638         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
639         Merged 2 define_split.
640         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
641         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
642
643 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
644
645         * config/s390/s390.md: ("COMPARE"): New mode macro.
646         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
647         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
648         "bungt", "bunle", "bunge", "bltgt"): Merge.
649
650 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
651
652         * config/s390/s390.md: ("INT"): New mode macro.
653         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
654         Merge.
655
656 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
657
658         * config/s390/s390.md: ("GPR", "P"): New mode macros.
659         ("cmpdi", "cmpsi"): Merge.
660         ("strlendi", "strlensi"): Merge.
661         ("*strlendi", "*strlensi"): Merge.
662         ("movmemdi", "movmemsi"): Merge.
663         ("clrmemdi", "clrmemsi"): Merge.
664
665 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
666
667         * config/s390/s390.md: ("HQI"): New mode macro.
668         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
669         ("*tmhi_full", "*tmqi_full"): Merge.
670         ("*tsthiCCT", "*tstqiCCT"): Merge.
671         ("*tsthi", "*tstqi"): Merge.
672         ("*tsthi_cconly", "tstqi_cconly"): Merge.
673         ("*sethighhisi", "*sethighqisi"): Merge.
674          
675 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
676
677         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
678         config/alpha/unicosmk.h, config/arc/arc.md,
679         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
680         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
681         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
682         config/arm/semi.h, config/arm/uclinux-elf.h,
683         config/arm/wince-pe.h, config/fr30/fr30.c,
684         config/rs6000/altivec.h: Update copyright.
685
686 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
687
688         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
689         gcc_assert and gcc_unreachable as appropriate.
690         (pdp11_output_function_epilogue, output_move_double,
691         output_move_quad, print_operand_address, output_jump,
692         output_addr_const_pdp11): Likewise.
693         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
694         ASM_OUTPUT_ALIGN): Likewise.
695         * config/pdp11/pdp11.md: Likewise.
696         (extendhisi2, subhi3, subqi3): Likewise.
697
698 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
699
700         PR middle-end/21237
701         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
702         to NE_EXPR case.
703
704 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
705
706         * config/ia64/ia64.c: Fix a comment typo.
707
708 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
709
710         PR target/21397
711         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
712         (arm_override_options): Use them instead of manifest constants.  Don't
713         allow -march to override the -mtune setting.
714
715 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
716
717         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
718         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
719         (function_arg_advance, function_arg, save_restore_insns,
720         iq2000_expand_prologue, iq2000_output_conditional_branch,
721         expand_one_builtin, print_operand):
722         * config/iq2000/iq2000.md (tablejump): Likewise.
723
724 2005-05-09  David Ung  <davidu@mips.com>
725
726         * config/mips/mips.h (processor_type): Add names for the 24K. 
727         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
728         processor family.
729         * config/mips/mips.md (cnv_mode): New attribute for recording the
730         conversion types of float convert insns.
731         (cpu): Add 24k and 24kx.
732         (include): Include 24k.md file.
733         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
734         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
735         (floatdisf2): Setup cnv_mode.
736         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
737         setup cnv_mode.
738         * config/mips/24k.md: New file, contains 24k DFA pipeline
739         description. 
740
741 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
742
743         * config/sh/sh.c (print_operand_address): Use gcc_assert and
744         gcc_unreachable as appropriate.
745         (print_operand, prepare_move_operands, prepare_scc_operands,
746         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
747         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
748         fixup_mova, gen_far_branch, sh_reorg, split_branches,
749         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
750         sh_set_return_address, sh_setup_incoming_varargs,
751         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
752         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
753         check_use_sfunc_addr): Likewise.
754         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
755         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
756         * config/sh/symbian.c (sh_symbian_mark_dllexport,
757         sh_symbian_mark_dllimport): Likewise.
758         * config/sh/sh.md: Likewise.
759         (movdicc, call_pop, call_value_pop, casesi_worker_1,
760         casesi_worker_2, casesi_shift_media, casesi_load_media,
761         return_media): Likewise.
762
763 2005-05-08  Roger Sayle  <roger@eyesopen.com>
764
765         PR inline-asm/8788
766         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
767         operands.
768
769 2005-05-08  Richard Henderson  <rth@redhat.com>
770
771         * config/alpha/alpha.c (adjust_address): Fix typo last change.
772
773 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
774
775         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
776         and -1 can happen in reg_renumber when no hard register is assigned.
777
778 2005-05-08  Steven Bosscher  <stevenb@suse.de>
779             Kazu Hirata  <kazu@cs.umass.edu>
780
781         PR tree-optimization/14841, tree-optimization/15838
782         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
783         (evaluate_stmt): Call it.
784
785 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
786
787         * config/ia64/ia64.c (ia64_override_options): Don't set
788         ia64_flag_var_tracking and clear flag_var_tracking here...
789         (ia64_file_start): ... but here.
790
791 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
792
793         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
794         and gcc_unreachable as appropriate.
795         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
796         m68hc11_gen_highpart, print_operand, print_operand_address,
797         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
798         m68hc11_gen_movhi): Likewise.
799         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
800         * config/m68hc11/m68hc11.md: Reword comment.
801
802 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
803
804         PR target/21281
805         * config/m68hc11/predicates.md (splitable_operand): An immediate is
806         allowed.
807
808 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
809
810         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
811         the 68HC12 address indirect addressing mode as it is not supported by
812         bset and bclr.
813         * config/m68hc11/m68hc11-protos.h
814         (m68hc11_valid_addressing_p): Declare.
815         (m68hc11_add_mode): Declare.
816         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
817         register_indirect_p and export it.
818         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
819         instruction so that it is part of the good BB.
820         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
821         addressing with movw.
822         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
823         68HC12.
824         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
825         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
826         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
827         for 68HC11.
828         ("*movhi_68hc12"): Handle movhi_const0.
829         ("*subhi3", "subqi3"): Use general_operand for operand 1.
830         ("*subhi3_zext"): Likewise.
831
832 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
833
834         PR target/19051
835         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
836         operand 1 and fix constraints.
837         ("mulqihi3"): Use general_operand for operand 2.
838
839 2005-05-08  Julian Brown  <julian@codesourcery.com>
840             H.J. Lu  <hongjiu.lu@intel.com>
841             Paul Brook  <paul@codesourcery.com>
842
843         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
844         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
845         20050308/2.16.0 or newer for comdat group.
846         * configure: Regenerated.
847         * config.in: Regenerated.
848         * varasm.c (default_function_rodata_section): Put .rodata section in
849         COMDAT group when necessary.
850         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
851         HAVE_COMDAT_GROUP.
852         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
853         available.
854
855 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
856
857         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
858         instead of VARRAY.
859         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
860         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
861         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
862         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
863
864 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
865
866         PR target/16925
867         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
868         64-bit constants on 64-bit hosts.
869         (m68hc11_split_logical): Simplify.
870         (m68hc11_split_move): Likewise.
871
872 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
873             Paolo Bonzini  <bonzini@gnu.org>
874
875         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
876         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
877         * configure.ac (enable_checking): Fix typos in runtime_checking.
878         (ENABLE_RUNTIME_CHECKING): Mark as target template.
879         (xm_file): Prepend auto-host.h
880         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
881         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
882         tconfig.h.
883         * crtstuff.c: Do not include auto-host.h.
884         (IN_LIBGCC2): Do not define.
885         * gcov-io.h: Include tconfig.h, not auto-host.h.
886         * libgcc2.c: Do not include auto-host.h.
887         (abort): Do not undefine.
888         * libgcov.c: Remove unneeded comment about config.h.
889         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
890         * config.in, configure: Regenerated.
891         
892 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
893             Falk Hueffner  <falk@debian.org>
894
895         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
896         and gcc_unreachable as appropriate.
897         (get_aligned_mem, get_unaligned_address,
898         alpha_emit_set_long_const, alpha_emit_conditional_branch,
899         alpha_emit_setcc, alpha_emit_conditional_move,
900         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
901         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
902         alpha_expand_unaligned_load, alpha_expand_block_move,
903         alpha_expand_zap_mask, get_trap_mode_suffix,
904         get_round_mode_suffix, get_some_local_dynamic_name,
905         print_operand_address, function_arg, alpha_return_in_memory,
906         function_value, alpha_expand_builtin,
907         alpha_initial_elimination_offset, alpha_expand_epilogue,
908         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
909         alphaev5_next_group, alpha_align_insns,
910         unicosmk_initial_elimination_offset, unicosmk_unique_section,
911         unicosmk_ssib_name): Likewise.
912         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
913         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
914         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
915         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
916         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
917         * config/alpha/alpha.md (*divmodsi_internal_er,
918         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
919         call_nt, call_umk, call_vms, call_value, sibcall_value,
920         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
921         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
922         * config/alpha/predicates.md (input_operand): Likewise.
923
924 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
925
926         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
927         gcc_unreachable, as appropriate.
928         (frv_function_prologue, frv_alloc_temp_reg,
929         frv_initial_elimination_offset, frv_expand_block_move,
930         frv_expand_block_clear, frv_print_operand_jump_hint,
931         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
932         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
933         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
934         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
935         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
936         frv_in_small_data_p, frv_asm_out_constructor,
937         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
938         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
939         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
940         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
941         sibcall_value, casesi): Likewise.
942
943         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
944         gcc_unreachable as appropriate.
945         (print_operand_address, mn10300_print_reg_list, expand_prologue,
946         expand_epilogue, notice_update_cc, initial_offset,
947         mn10300_address_cost_1): Likewise.
948         * config/mn10300/mn10300.md: Likewise.
949         (absdf2, abssf2, negdf2, negsf2): Likewise.
950
951 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
952
953         PR target/21416
954         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
955         comparisons.
956         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
957         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
958         including sunge_<mode> and sungt_<mode>.
959
960 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
961
962         * integrate.h (get_hard_reg_initial_val): Change type of register
963         parameter from int to unsigned int.
964         (has_hard_reg_initial_val): Likewise.
965         * integrate.c (get_hard_reg_initial_val): Likewise.
966         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
967
968 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
969
970         * except.c (eh_status): Change the type of ttype_data to
971         VEC(tree,gc)*.
972         (add_ttypes_entry, assign_filter_values,
973         output_function_exception_table): Use VEC instead of VARRAY.
974
975 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
976
977         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
978
979 2005-05-07  Paul Brook  <paul@codesourcery.com>
980
981         * Makefile.in: Fix dependencies.
982         (GCOV_IO_H, VARRAY_H): Set.
983
984 2005-05-07  Anthony Green  <green@redhat.com>
985
986         PR bootstrap/21403
987         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
988         x$STMP_FIXPROTO test.
989         * configure: Rebuilt.
990
991 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
992
993         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
994         inappropriate feature test macros if flag_iso.
995
996 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
997
998         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
999
1000 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
1001
1002         PR target/21441
1003         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
1004         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
1005         Handle moved operand being in special register.
1006         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
1007         presumed working insn.
1008         (mover2side): Add FIXME.
1009
1010 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
1011
1012         * integrate.c (get_func_hard_reg_initial_val): Delete.
1013         (has_func_hard_reg_initial_val): Delete.
1014         (get_hard_reg_initial_val): Inline the old implementation of
1015         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
1016         instead of has_func_hard_reg_initial_val to test for an existing
1017         pseudo.  Only create an rtx if a new initial value entry is needed.
1018         (has_hard_reg_initial_val): Scan the initial value list directly.
1019         Don't create an rtx.
1020
1021 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
1022
1023         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
1024         from extra_options.
1025         * config.in (HAVE_AS_POPCNTB): New.
1026         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
1027         (HAVE_AS_POPCNTB): New.
1028         * configure: Regenerated.
1029         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
1030         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
1031         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
1032         and rs6000_sched_costly_dep.
1033         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
1034         (TARGET_XL_COMPAT): Delete.
1035         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
1036         (popcount<mode>2): New.
1037         (popcntb<mode>2): New.
1038         * config/rs6000/rs6000.opt (mpopcntb): New.
1039
1040         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
1041         if variable name exists.
1042
1043 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
1044
1045         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
1046
1047 2005-05-07  Richard Henderson  <rth@redhat.com>
1048
1049         PR target/21412
1050         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
1051         with constant offsets.
1052
1053 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
1054
1055         * config/v850/v850.c (print_operand): Use gcc_assert and
1056         gcc_unreachable, as appropriate.
1057         (print_operand_address, v850_handle_data_area_attribute,
1058         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
1059         v850_insert_attributes, construct_prepare_instruction): Likewise.
1060         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
1061         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
1062
1063 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
1064
1065         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
1066         config/rs6000/rs6000.h: Fix comment typos.
1067
1068 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
1069
1070         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
1071         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
1072         (mips_scalar_mode_supported_p): Delete.
1073
1074 2005-05-06  Eric Christopher  <echristo@redhat.com>
1075
1076         * config/mips/mips.opt: Remove -mint64 option.
1077         * config/mips/mips.c (override_options): Remove -mint64
1078         handling.
1079         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
1080         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
1081         64-bit integer handling.
1082         * doc/invoke.texi (Option Summary): Remove -mint64 for
1083         mips.
1084
1085 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
1086
1087         PR tree-optimization/19401
1088         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
1089         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
1090         (estimated_unrolled_size): New function.
1091         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
1092         tree_unroll_loops_completely): Always unroll loops if the code size
1093         does not increase.
1094         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
1095         loops should be unrolled completely.
1096         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
1097
1098 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
1099
1100         PR rtl-optimization/21254
1101         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
1102         assumptions for loops that otherwise do not roll.
1103         (find_simple_exit): Prefer # of iterations that is guaranteed
1104         not to be infinite.
1105         * loop-unroll.c (decide_peel_once_rolling,
1106         decide_peel_completely): Check whether the loop is infinite.
1107
1108 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
1109
1110         * config/rs6000/sysv4.opt: Fix typo.
1111
1112 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
1113             Jakub Jelinek  <jakub@redhat.com>
1114
1115         PR target/21329
1116         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
1117         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
1118         Don't use rep; movs{l,q} if the repetition count is really small,
1119         instead use a sequence of movs{l,q} instructions.
1120
1121 2005-05-06  Jeff Law  <law@redhat.com>
1122
1123         PR tree-optimization/21380
1124         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
1125         thread through a block with no preds.
1126
1127 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
1128
1129         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
1130         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
1131         add_call_read_ops): Use VEC instead of VARRAY.
1132
1133 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
1134
1135         * config/mcore/mcore.c (mcore_print_operand_address): Use
1136         gcc_assert and gcc_unreachable as appropriate.
1137         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
1138         mcore_output_andn, output_inline_const, mcore_output_move,
1139         mcore_output_movedouble, mcore_expand_block_move,
1140         layout_mcore_frame, mcore_initial_elimination_offset,
1141         mcore_expand_prolog, mcore_mark_dllexport,
1142         mcore_mark_dllimport): Likewise.
1143         * config/mcore/mcore.h (switch_to_section): Likewise.
1144         * config/mcore/mcore.md: Likewise.
1145
1146 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
1147
1148         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
1149         TARGET_PROFILE_KERNEL.
1150
1151         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
1152         TARGET_PROFILE_KERNEL use.
1153
1154 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
1155
1156         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
1157         and gcc_unreachable, as appropriate.
1158         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
1159         m32r_expand_prologue, m32r_output_function_epilogue,
1160         m32r_legitimize_pic_address, m32r_print_operand_address,
1161         emit_cond_move, m32r_function_symbol,
1162         m32r_output_block_move): Likewise.
1163         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
1164         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
1165         *rev_zero_branch_insn): Likewise.
1166         
1167 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
1168
1169         PR c++/20961
1170         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
1171         if both NEWDECL and OLDDECL are already weak.
1172
1173 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
1174
1175         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
1176
1177 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
1178             Kaz Kojima  <kkojima@gcc.gnu.org>
1179
1180         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
1181         and plus_constant.
1182
1183 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
1184             David Edelsohn  <edelsohn@gnu.org>
1185
1186         * config.gcc: Add .opt magic for the rs6000 ports.
1187
1188         * doc/invoke.texi: Document -mabi= option properly.  Document
1189         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
1190         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
1191         -misel=.
1192
1193         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
1194         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
1195         TARGET_XL_COMPAT.
1196
1197         * config/rs6000/aix.opt: New.
1198         * config/rs6000/aix41.opt: New.
1199         * config/rs6000/aix64.opt: New.
1200         * config/rs6000/darwin.opt: New.
1201         * config/rs6000/linux64.opt: New.
1202         * config/rs6000/rs6000.opt: New.
1203         * config/rs6000/sysv4.opt: New.
1204
1205         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
1206         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
1207         SUBTARGET_SWITCHES.
1208         Define TARGET_USES_SYSV4_OPT.
1209         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
1210         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
1211         TARGET_USES_AIX64_OPT.
1212         * config/rs6000/aix51.h: Same.
1213         * config/rs6000/aix52.h: Same.
1214         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
1215         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
1216         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
1217         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
1218         * config/rs6000/linux64.h: Use
1219         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
1220
1221         * config/rs6000/rs6000.c: Remove definitions of
1222         rs6000_sched_restricted_insns_priority,
1223         rs6000_long_double_size_string, rs6000_altivec_vrsave,
1224         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
1225         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
1226         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
1227         rs6000_alignment_string.  Define rs6000_explicit_options.
1228         (rs6000_parse_abi_options): Remove.
1229         (rs6000_parse_alignment_option): Remove.
1230         (rs6000_parse_float_gprs_option): Remove.
1231         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
1232         TARGET_DEFAULT_TARGET_FLAGS.
1233         (rs6000_override_options): Revamp to use new .opt machinery.
1234
1235         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
1236         of new .opt machinery.  Remove target_flags.  Redefine
1237         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
1238         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
1239         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
1240         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
1241         rs6000_longcall_switch, rs6000_default_long_calls,
1242         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
1243         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
1244         TARGET_ALTIVEC_VRSAVE.
1245
1246 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
1247
1248         * config.gcc (hppa1.1-*-rtems*): Remove.
1249         * config/pa/rtems.h: Remove.
1250
1251 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
1252
1253         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
1254         Exclude roe/603e multilib variants.
1255
1256 2005-05-04  Denis Chertykov  <denisc@overta.ru>
1257
1258         PR target/21284
1259         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
1260         for output.
1261
1262 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
1263
1264         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
1265         arm/pe.opt to $extra_options.
1266         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
1267         (target_float_abi_name, target_float_switch, target_abi_name)
1268         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
1269         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
1270         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
1271         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
1272         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
1273         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
1274         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
1275         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
1276         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
1277         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
1278         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
1279         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
1280         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
1281         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
1282         (arm_pic_register_string): Delete.
1283         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
1284         TARGET_TPCS_FRAME.
1285         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
1286         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
1287         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
1288         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
1289         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
1290         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
1291         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
1292         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
1293         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
1294         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
1295         (SUBTARGET_SWITCHES): Delete.
1296         * config/arm/arm.c (target_float_switch): Delete.
1297         (arm_cpu_select): Moved from config/arm/arm.h.
1298         (target_fpu_name, target_fpe_name, target_float_abi_name)
1299         (target_abi_name, structure_size_string, arm_pic_register_string)
1300         (arm_select): Make static.
1301         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1302         (arm_handle_option): New function.
1303         (arm_override_options): Update target_flags checks for new mask names.
1304         Remove target_float_switch code.
1305         (arm_expand_prologue, thumb_expand_prologue): Check
1306         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
1307         * config/arm/arm.opt, config/arm/pe.opt: New files.
1308
1309 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
1310
1311         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
1312         gcc_unreachable as appropriate.
1313         (arc_double_limm_p, arc_setup_incoming_varargs,
1314         arc_compute_function_type, arc_output_function_prologue,
1315         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
1316         output_shift, arc_print_operand, arc_print_operand_address,
1317         arc_final_prescan_insn): Likewise.
1318         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
1319
1320 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
1321
1322         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
1323         comparing Pmode.
1324         (SDI): New.
1325         (cmp): Delete.
1326         (wd): New.
1327         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
1328         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
1329         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
1330         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
1331         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
1332         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
1333         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
1334         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
1335
1336 2005-05-05  Paul Brook  <paul@codesourcery.com>
1337
1338         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
1339         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
1340         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
1341         and tree-data-ref.h with *_H variables.
1342
1343 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
1344
1345         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
1346
1347 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
1348
1349         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
1350
1351 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
1352
1353         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
1354
1355 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
1356
1357         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
1358         setting of vrsave register for current function after
1359         call to save_world is emitted.
1360
1361 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
1362
1363         * config/mmix/predicates.md: New file.
1364         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
1365         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
1366         (mmix_foldable_comparison_operator, mmix_comparison_operator)
1367         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
1368         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
1369         Don't define.
1370         * config/mmix/mmix.md: Include predicates.md.
1371         ("call", "call_value"): Force address to register if it isn't a
1372         mmix_symbolic_or_address_operand.
1373
1374 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
1375
1376         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
1377         the flags are of appropriate types.
1378         (num_ssa_operands): Generalize using the generic interface.
1379         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
1380         iterator.
1381
1382 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
1383
1384         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
1385         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
1386
1387 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
1388
1389         * tree-outof-ssa.c (edge_leader, stmt_list,
1390         analyze_edges_for_bb): Use VEC instead of VARRAY.
1391         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
1392         (perform_edge_inserts): Call init_analayze_edges_for_bb and
1393         fini_analayze_edges_for_bb.
1394
1395 2005-05-04  James E Wilson  <wilson@specifixinc.com>
1396
1397         PR driver/21112
1398         * gcc.c (process_command): In the second argv scan loop, ignore
1399         Xassembler and Xpreprocessor, along with their argument.
1400
1401 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
1402
1403         * tree-flow-inline.h, tree-ssa-operands.c,
1404         tree-ssa-operands.h, tree-ssa-opfinalize.h:
1405         Likewise. tree-vn.c: Fix comment typos.
1406         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
1407
1408 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
1409
1410         * doc/tm.texi (Target Hooks): Document
1411         TARGET_RESOLVE_OVERLOADED_BUILTIN.
1412
1413 2005-05-04  Paul Brook  <paul@codesourcery.com>
1414
1415         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
1416
1417 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
1418
1419         * dwarf2out.c (incomplete_types, retry_incomplete_types,
1420         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
1421         of VARRAY.
1422
1423         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
1424         get_expansion, expand_var_during_unrolling,
1425         insert_var_expansion_initialization,
1426         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
1427         instead of VARRAY.
1428
1429         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
1430         update_stmt.
1431
1432 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
1433
1434         PR middle-end/15618
1435         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
1436         the same as INTEGER_TYPE.
1437         (fold_binary): Fold "bool_var != 0" to bool_var.
1438         Fold "bool_var == 1" to bool_var.
1439
1440 2004-05-03  Richard Henderson  <rth@redhat.com>
1441
1442         PR middle-end/21318
1443         * function.c (instantiate_virtual_regs_in_insn): Use the mode
1444         from recog_data instead of insn_data.
1445
1446 2005-05-03  DJ Delorie  <dj@redhat.com>
1447
1448         * common.opt (fdiagnostics-show-option): No variable is needed.
1449         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
1450         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
1451         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
1452         Save and restore original message format.  Use flag in context
1453         instead of global.
1454         (warning): Don't test for enabled warnings here.
1455         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
1456         here.
1457
1458 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
1459
1460         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
1461         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
1462         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
1463         * aclocal.m4: Don't include accross.m4.
1464         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
1465         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
1466         * configure, config.in: Regenerate.
1467         
1468 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
1469
1470         PR middle-end/21265
1471         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
1472         (clear_storage): Add argument.
1473         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
1474         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
1475         tailcall.
1476         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
1477         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
1478         (store_expr, store_constructor): Adjust callers.
1479         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
1480         to emit_block_move if CALL_EXPR_TAILCALL (exp).
1481         (expand_builtin_memmove): Add ORIG_EXP argument, copy
1482         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
1483         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
1484         with EXP.  Pass EXP to expand_builtin_memmove.
1485         (expand_builtin_memset): Add ORIG_EXP argument, pass
1486         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
1487         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
1488         Pass EXP to expand_builtin_memset.
1489         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
1490         the new CALL_EXPR.
1491         (expand_builtin_strncmp): Likewise.
1492         (expand_builtin_printf): Replace ARGLIST argument with EXP.
1493         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
1494         (expand_builtin_fprintf): Likewise.
1495         (expand_builtin): Adjust calls to
1496         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
1497
1498         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
1499         item in V4SF mode.
1500
1501         PR rtl-optimization/21239
1502         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
1503
1504 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
1505
1506         * tree-flow.h (tree_ann_common_d): Move aux to ...
1507         (stmt_ann_d): ... here.
1508         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
1509         move_computations_stmt, schedule_sm): Update references to
1510         aux.
1511         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
1512
1513         * tree-cfg.c (remove_bb): Remove a redundant call to
1514         set_bb_for_stmt.
1515         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
1516         Likewise.
1517
1518 2005-05-03  Richard Henderson  <rth@redhat.com>
1519
1520         * config/rs6000/rs6000.c: Remove conflict markers.
1521
1522         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
1523
1524 2005-05-03  James E Wilson  <wilson@specifixinc.com>
1525
1526         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
1527
1528 2005-05-03  DJ Delorie  <dj@redhat.com>
1529
1530         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
1531         decide if the warning will be printed.
1532         * calls.c (expand_call): Likewise.
1533         * function.c (init-function_start): Likewise.
1534
1535         * common.opt (-fdiagnostics-show-option): New.
1536         * opts.c (option_enabled): Accept the option index instead of a
1537         pointer to the option descriptor.
1538         * opts.h (option_enabled): Likewise.
1539         * toplev.c (print_switch_values): Pass option index, not option
1540         descriptor.
1541         * diagnostic.h (diagnostic_info): Add option_index.
1542         * diagnostic.c: Include opts.h.
1543         (diagnostic_set_info): Initialize option_index.
1544         (diagnostic_report_diagnostic): Amend option name if appropriate.
1545         (warning): Check to see if the specified warning is enabled.
1546         Store option index.
1547         * doc/invoke.texi (-fdiagnostics-show-options): Document.
1548
1549 2005-05-03  Richard Henderson  <rth@redhat.com>
1550
1551         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
1552         SPEC_OR_GEN_REGS definitions.
1553
1554 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
1555
1556         PR target/16888
1557         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
1558         for unavailable registers.
1559
1560 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
1561
1562         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
1563
1564         * cfglayout.c (block_locators_blocks,
1565         insn_locators_initialize, insn_scope): Use VEC instead of
1566         VARRAY.
1567
1568         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
1569         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
1570         VARRAY.
1571
1572 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
1573
1574         * config/sparc/predicates.md (const_compl_high_operand): New.
1575         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
1576         gen_safe_HIGH64.
1577         (sparc_emit_set_const64_quick1): Adjust for above change.
1578         (sparc_emit_set_const64_quick2): Likewise.
1579         (sparc_emit_set_const64_longway): Likewise.
1580         (sparc_emit_set_const64): Likewise.
1581         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
1582         movdi_const64_special): Delete.
1583         (logical constant splitters): Use const_compl_high_operand.
1584
1585 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
1586
1587         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
1588         rather than STRIP_NOPS.
1589
1590 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
1591
1592         PR rtl-optimization/21330
1593         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
1594         returning non-NULL.
1595         (unswitch_single_loop): Clear cinsn when retrying.
1596
1597         PR target/21297
1598         * config/i386/i386.c (legitimize_address): When canonicalizing
1599         ASHIFT into MULT, multiply by 1 << shift_count instead of
1600         1 << log2 (shift_count).
1601
1602 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
1603
1604         * lambda-code.c (gcc_loop_to_lambda_loop, 
1605         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
1606         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
1607         generic operand interface.
1608         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
1609         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
1610         generic operand interface.
1611         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list, 
1612         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
1613         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
1614         num_imm_uses): Use ssa_use_operand_t.
1615         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
1616         get_v_must_def_ops): Delete.
1617         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
1618         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
1619         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
1620         get_v_must_def_kill_ptr): Delete.
1621         (delink_stmt_imm_use): Move and use new operand interface.
1622         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
1623         op_iter_next_tree): Use new operand implementation.
1624         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
1625         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator 
1626         type check.
1627         (op_iter_next_mustdef, op_iter_next_maydef, 
1628         op_iter_next_must_and_may_def): Delete. Replace with...
1629         (op_iter_next_maymustdef): New.  Combine must and may next operations.
1630         (op_iter_init_maydef, op_iter_init_mustdef, 
1631         op_iter_init_must_and_may_def): Use new interface.
1632         (single_ssa_tree_operand ): New.  Process single operands only as trees.
1633         (single_ssa_use_operand): New.  Process single operands only as uses.
1634         (single_ssa_def_operand): New.  Process single operands only as defs.
1635         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
1636         specified types.
1637         (num_ssa_operands): New.  Count the number of specified operands.
1638         (compare_ssa_operands_equal): New.  Compare two statements' operands.
1639         (single_phi_def): New.  Return true if PHI has one def of the specified
1640         operand type.
1641         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
1642         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
1643         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
1644         (struct stmt_ann_d): Operands field no longer require GTY().
1645         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
1646         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
1647         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb, 
1648         dump_replaceable_exprs, rewrite_trees): Use generic interface.
1649         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node): 
1650         Use use_operand_p instead of ssa_imm_use_t *.
1651         * tree-pretty-print.c (dump_vops): check if operands are active before
1652         dumping virtual operands.
1653         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
1654         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
1655         (ccp_fold): Use new interface.
1656         (ccp_visit_stmt): Remove unused variables and code.
1657         (convert_to_gimple_builtin): Insert statements before calling 
1658         mark_new_vars_to_rename.
1659         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
1660         (copy_prop_visit_cond_stmt): Use generic interface.
1661         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the 
1662         annotation in table.
1663         (thread_across_edge): Use generic interface.
1664         (initialize_hash_element): Initialzie with stmt, not annotation.
1665         (eliminate_redundant_computations): Use generic interface.
1666         (record_equivalences_from_stmt): Pass stmt, not annotation.
1667         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
1668         interface.
1669         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
1670         * tree-ssa-loop-ivopts.c (find_invariants_stmt, 
1671         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use 
1672         generic operand interface.
1673         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
1674         interface.
1675         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
1676         Interface.
1677         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
1678         (build_defs, build_uses, build_v_may_defs, build_vuses, 
1679         build_v_must_defs): Change type to struct opbuild_list_d.
1680         (ops_active): New.  Operands active boolean.
1681         (operand_memory, operand_memory_index): New.  Operand memory managers.
1682         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
1683         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
1684         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs): 
1685         Change from functions to static variable list heads.
1686         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
1687         (opbuild_initialize_real): New.  Initialize a virtual build list.
1688         (opbuild_free): New.  Free a build list.
1689         (opbuild_num_elems): New.  Number of items in a list.
1690         (opbuild_append_real): New.  Add a real (tree *) operand.
1691         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
1692         (opbuild_first): New.  Return first element index in a list.
1693         (opbuild_next): New.  Return next element in a list.
1694         (opbuild_elem_real): New.  Return real element.
1695         (opbuild_elem_virtual): New.  Return virtual element.
1696         (opbuild_elem_uid): New.  Return UID of virtual element.
1697         (opbuild_clear): New.  Reset an operand list.
1698         (opbuild_remove_elem): New.  Remove an element form a list.
1699         (ssa_operands_active): New.  Return true if operand cache is active.
1700         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
1701         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
1702         (correct_use_link): Use use_operand_p.
1703         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
1704         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation. 
1705         (cleanup_v_may_defs): Use new implmentation.
1706         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New 
1707         implementation.
1708         (append_def, append_use, append_v_may_def, append_vuse, 
1709         append_v_must_def): Call opbuild_append routine instead of using varray.
1710         (build_ssa_operands): Simplify to simply use stmt, don't maintain a 
1711         global parse_old_ops variable.
1712         (free_ssa_operands): New implementation.
1713         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
1714         (copy_virtual_operands): Move. New generic implementation.
1715         (create_ssa_artficial_load_stmt): Move. New implementation.
1716         (swap_tree_operands): Update for new implementation.
1717         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
1718         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
1719         rather than a varray.
1720         (verify_imm_links): Use use_operand_p.
1721         (dump_immediate_uses_for): If the immediate use variable is a virtual 
1722         variable, show the virtual ops in the stmt.
1723         * tree-ssa-operands.h (def_operand_p): No longer a structure.
1724         (NULL_DEF_OPERAND_P): Now a #define.
1725         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
1726         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
1727         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
1728         mustdef_optype_d): New.  Use Linked list representation.
1729         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
1730         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
1731         (struct stmt_operands_d): Change to new pointers that are not GTY.
1732         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
1733         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
1734         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
1735         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT, 
1736         SET_V_MUST_DEF_KILL): Delete.
1737         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT, 
1738         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
1739         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT, 
1740         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
1741         (enum ssa_op_iter_type): Operand iterator typechecking values.
1742         (struct ssa_operand_iterator_d): Use linked lists of operands.
1743         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
1744         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
1745         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
1746         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
1747         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
1748         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
1749         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND, 
1750         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
1751         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
1752         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
1753         alloc_vuse, and alloc_mustdef.
1754         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops, 
1755         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1756         and finalize_ssa_v_must_def_ops.
1757         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
1758         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
1759         stmt around.
1760         (compute_avail): Use generic iterator interface.
1761         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
1762         (stmt_makes_single_load, stmt_makes_single_store): Use 
1763         ZERO_SSA_OPERANDS.
1764         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
1765         (statement_sink_location): Use generic interface.
1766         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
1767         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
1768         reset the immediate use link nodes.
1769         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
1770         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
1771         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
1772         (eliminate_tail_call): Use generic operand interface.
1773         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
1774         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic 
1775         interface.
1776         * tree-vect-transform.c (update_vuses_to_preheader): Use generic 
1777         interface.
1778         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
1779         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
1780         vuse_optype.
1781         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add): 
1782         Use statement pointer instead of vuse_optype.  Use generic interface.
1783         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
1784         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
1785         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
1786         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
1787         * doc/tree-ssa.texi: Update documentation for operand interface.
1788
1789 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
1790
1791         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
1792         gcc_unreachable as appropriate.
1793         (machopic_function_base_name, machopic_indirect_data_reference,
1794         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
1795         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
1796         * config/rs6000/altivec.md (*mov<mode>_internal,
1797         build_vector_mask_for_load): Likewise.
1798         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
1799         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
1800         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
1801         * config/rs6000/predicates.md (easy_fp_constant,
1802         logical_operand): Likewise.
1803         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
1804         compute_save_world_info, rs6000_emit_prologue,
1805         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
1806         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
1807         directly.
1808
1809 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
1810
1811         PR middle-end/21282
1812         * convert.c (convert_to_integer): Convert ceil and floor in
1813         c99 mode only.
1814
1815 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
1816
1817         PR target/20813
1818         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
1819         define_insn_and_split.  Split only when memory operand is
1820         offsettable.  Use adjust_address rather than plus_constant.
1821         (floatunssidf2_internal): Likewise.
1822         (fix_truncdfsi2_internal): Split only when memory operand is
1823         offsettable.  Use adjust_address rather than plus_constant.
1824         (fix_trunctfsi2_internal): Likewise.
1825         (floatsidf2_internal): Likewise.
1826
1827 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
1828
1829         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
1830         (set_value_range_to_null): Likewise.
1831         (set_value_range_to_varying): New function.  Use it in all
1832         call sites that used to call set_value_range (vr, VR_VARYING, ...).
1833         (extract_range_from_assert): If the integral type has a
1834         super-type, and LIMIT is not within MIN and MAX values of that
1835         type, set the resulting range to VR_VARYING.
1836
1837 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
1838
1839         * config/mmix/mmix.opt: New file.
1840         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
1841         (mmix_cc1_ignored_option): Don't declare.
1842         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
1843         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
1844         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
1845         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
1846         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
1847         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
1848         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
1849         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
1850         Don't define.
1851         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
1852         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
1853         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1854
1855 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
1856
1857         PR c/15698
1858         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
1859         * c-decl.c (current_function_prototype_built_in,
1860         current_function_prototype_arg_types): New.
1861         (merge_decls): Keep source location of prototype followed by
1862         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
1863         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
1864         (start_function): Always set current_function_prototype_locus,
1865         current_function_prototype_built_in and
1866         current_function_prototype_arg_types.  Check for external
1867         prototype whether or not visible for external function and set
1868         current_function_prototype_arg_types accordingly.
1869         (store_parm_decls_oldstyle): Use
1870         current_function_prototype_arg_types for checking old-style
1871         definition against prototype.  Give warnings only if
1872         current_function_prototype_built_in).
1873
1874 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
1875
1876         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
1877         (ggc_alloc_zone_stat): Don't define.
1878         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
1879         ggc_alloc_zone_pass_stat.
1880         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
1881         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
1882         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
1883
1884 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
1885
1886         * calls.c (expand_call): Handle current_function_pretend_args_size
1887         when checking for sibcalls.
1888
1889 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1890
1891         PR tree-optimization/21294
1892         * tree-vrp.c (vrp_expr_computes_nonzero): New.
1893         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
1894
1895 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
1896
1897         PR 19985
1898         * gcov-io.h: Declare gcov external functions hidden.
1899
1900 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1901
1902         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
1903         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
1904         Use VEC instead of VARRAY.
1905         (equiv_free): New.
1906
1907         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
1908         out common code.
1909
1910 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
1911
1912         * c-common.c (resolve_overloaded_builtin): Forward to target
1913         hook for BUILT_IN_MD built-ins.
1914         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
1915         for all types of built-in.
1916         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
1917         in the definition of the target hooks struct.
1918         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
1919         * config/rs6000/altivec.h: Rewritten.
1920         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
1921         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
1922         rs6000_builtin_type, rs6000_builtin_type_compatible,
1923         altivec_overloaded_builtins, rs6000_builtin_type,
1924         rs6000_builtin_type_compatible): New.
1925         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
1926         New.
1927         (def_builtin): Turn into a function.  Check for duplicates and store
1928         the builtin into rs6000_builtin_decls.
1929         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
1930         bdesc_1arg): Add overloaded builtins.
1931         (altivec_expand_builtin): Check for unresolved overloaded builtins,
1932         do not support ALTIVEC_COMPILETIME_ERROR.
1933         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
1934         nodes to represent front-end types.
1935         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
1936         with opaque arguments and/or return values.
1937         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
1938         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
1939         (rs6000_builtin_type_index): New.
1940         (is_ev64_opaque_type): Rename to...
1941         (rs6000_is_opaque_type): ... this.
1942         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
1943         target hook.
1944
1945 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1946
1947         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
1948         instead of VARRAY.
1949
1950 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
1951             Bernd Schmidt  <bernd.schmidt@analog.com>
1952
1953         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
1954         print_address_operand, print_operand, legitimize_pic_address,
1955         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
1956         output_pop_multiple): Use gcc_assert or gcc_unreachable as
1957         appropriate.
1958         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
1959
1960 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
1961
1962         * doc/passes.texi: Document vectorization pass.
1963
1964 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1965
1966         * tree-scalar-evolution.c (get_exit_conditions_rec,
1967         select_loops_exit_conditions,
1968         number_of_iterations_for_all_loops,
1969         analyze_scalar_evolution_for_all_loop_phi_nodes,
1970         scev_analysis): Use VEC instead of VARRAY.
1971
1972 2005-05-02  Michael Matz  <matz@suse.de>
1973
1974         PR c++/19542
1975         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
1976         (warn_strict_null_sentinel): Define.
1977         (check_function_sentinel): Check for null_node as valid sentinel too.
1978         * c-common.h (c_tree_index): Added CTI_NULL.
1979         (null_node) Define global_tree[CTI_NULL].
1980         (warn_strict_null_sentinel): Declare.
1981         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
1982         * c.opt: (Wstrict-null-sentinel): New C++ option.
1983         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
1984
1985 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
1986
1987         * gimplify.c (gimplify_compound_lval): Use VEC instead of
1988         VARRAY.
1989
1990         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
1991
1992         * dwarf2out.c (decl_scope_table, push_decl_scope,
1993         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
1994         instead of VARRAY.
1995
1996 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
1997
1998         PR C++/14391
1999         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
2000         if !flag_weak.
2001         * doc/cpp.texi (__DEPRECATED): Document.
2002         (__EXCEPTIONS): Likewise.
2003         (__GXX_WEAK__): Likewise.
2004
2005         * function.c (INVOKE__main): Do not define.
2006         (expand_main_function): Check HAS_INIT_SECTION when determining
2007         whether or not to call __main.
2008
2009 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
2010
2011         * tree-ssa-loop-ivopts.c: Fix a comment typo.
2012
2013 2005-01-05  Paul Brook  <paul@codesourcery.com>
2014
2015         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
2016         (INITIALIZE_TRAMPOLINE): Use it.
2017         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
2018         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
2019         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
2020
2021 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
2022
2023         * doc/install.texi (Specific): Omit dots in the @anchors names
2024         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
2025         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
2026
2027 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
2028
2029         PR tree-optimization/18316
2030         PR tree-optimization/19126
2031         * tree.c (build_int_cst_type): Avoid shift by size of type.
2032         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
2033         argument.
2034         * tree-scalar-evolution.h (simple_iv): Declaration changed.
2035         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
2036         field.
2037         (dump_cand): Dump depends_on information.
2038         (determine_biv_step): Add argument to simple_iv call.
2039         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
2040         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
2041         constant.
2042         (add_candidate_1): Record depends_on for candidates.
2043         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
2044         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
2045         Handle ivs with nonconstant step.
2046         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
2047         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
2048         (create_new_iv): Unshare the step before passing it to create_iv.
2049         (free_loop_data): Free cand->depends_on.
2050         (build_addr_strip_iref): New function.
2051         (find_interesting_uses_address): Use build_addr_strip_iref.
2052         (strip_offset_1): Split the recursive part from strip_offset.
2053         Strip constant offset component_refs and array_refs.
2054         (strip_offset): Split the recursive part to strip_offset_1.
2055         (add_address_candidates): Removed.
2056         (add_derived_ivs_candidates): Do not use add_address_candidates.
2057         (add_iv_value_candidates): Add candidates with stripped constant
2058         offset.  Consider all candidates with initial value 0 important.
2059         (struct affine_tree_combination): New.
2060         (aff_combination_const, aff_combination_elt, aff_combination_scale,
2061         aff_combination_add_elt, aff_combination_add,
2062         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
2063         fold_affine_sum): New functions.
2064         (get_computation_at): Use fold_affine_sum.
2065         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
2066         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
2067         to simple_iv call.
2068
2069 2005-04-30  Michael Matz  <matz@suse.de>
2070
2071         * config/i386/i386.md (movmemsi): Also active when
2072         TARGET_INLINE_ALL_STRINGOPS.
2073
2074 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
2075
2076         PR bootstrap/20633
2077         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
2078
2079 2005-04-30  Paul Brook  <paul@codesourcery.com>
2080
2081         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
2082         thumb mode.
2083         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
2084         * config/arm/ieee754-sf.S: Ditto.
2085         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
2086         (FUNC_ALIAS): Use .thumb_set for thumb routines.
2087
2088 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
2089
2090         * tree-ssanames.c: Fix a comment typo.
2091         * doc/options.texi: Fix a typo.
2092
2093 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
2094
2095         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
2096         gcc_unreachable as appropriate.
2097         (split_adds_subs, cond_string, print_operand,
2098         h8300_initial_elimination_offset, h8300_classify_operand,
2099         h8300_unary_length, h8300_short_immediate_length,
2100         h8300_bitfield_length, h8300_binary_length,
2101         h8300_insn_length_from_table, compute_mov_length, output_plussi,
2102         compute_plussi_length, compute_plussi_cc, output_logical_op,
2103         compute_logical_op_length, compute_logical_op_cc,
2104         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
2105         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
2106         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
2107         h8300_regs_ok_for_stm): Likewise.
2108         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
2109         monitor_prologue): Likewise.
2110
2111 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
2112
2113         * loop-invariant.c (invariants, create_new_invariant,
2114         get_inv_cost, best_gain_for_invariant,
2115         find_invariants_to_move, move_invariants,
2116         init_inv_motion_data, free_inv_motion_data): Use VEC instead
2117         of VARRAY.
2118
2119 2005-04-29  Richard Henderson  <rth@redhat.com>
2120
2121         * function.c (instantiate_decls): Remove valid_only argument.
2122         (instantiate_decls_1, instantiate_decl): Likewise.
2123         (instantiate_virtual_regs_1): Delete.
2124         (instantiate_virtual_regs_lossage): Delete.
2125         (instantiate_virtual_regs_in_rtx): New.
2126         (safe_insn_predicate): New.
2127         (instantiate_virtual_regs_in_insn): New.
2128         (instantiate_virtual_regs): Update to match all that.  Only run
2129         instantiate_decls once.
2130
2131 2005-04-29  Richard Henderson  <rth@redhat.com>
2132             Daniel Jacobowitz  <dan@codesourcery.com>
2133
2134         * gengtype.c (write_func_for_structure): Split out ...
2135         (output_type_enum): ... new function.  Fix thinko accessing
2136         TYPE_PARAM_STRUCT data.
2137
2138 2005-04-29  Tom Tromey  <tromey@redhat.com>
2139
2140         * tree.c (build_block): Removed unused 'tags' argument.
2141         * tree.h (build_block): Removed argument.
2142
2143 2005-04-29  Michael Matz  <matz@suse.de>
2144
2145         PR rtl-optimization/21144
2146         * postreload.c (reload_cse_move2add): Check for VOIDmode.
2147
2148 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
2149
2150         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
2151         flag_reorder_blocks.
2152
2153 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
2154
2155         PR tree-optimization/21030
2156         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
2157         ranges where VR->MAX is smaller than VR->MIN.
2158
2159 2005-04-29  Devang Patel  <dpatel@apple.com>
2160
2161         PR tree-optimization/21272
2162         PR tree-optimization/21266
2163         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
2164         
2165 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
2166
2167         * tree-flow-inline.h: Fix a comment typo.
2168         * doc/tree-ssa.texi: Fix a typo.
2169
2170         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
2171
2172 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
2173
2174         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
2175         gcc_unreachable as appropriate.
2176         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
2177         fr30_print_operand, fr30_move_double): Likewise.
2178         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
2179
2180 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
2181
2182         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
2183         definition has already been provided.
2184         (ARM_EABI_DTORS_SECTION_OP): Likewise.
2185         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
2186         (ARM_EABI_DTORS_SECTION_OP): Likewise.
2187
2188 2005-04-29  Jim Tison  <jtison@us.ibm.com>
2189
2190         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
2191         trace hooks calls to improve performance.
2192
2193 2005-04-29  Julian Brown  <julian@codesourcery.com>
2194             Mark Mitchell  <mark@codesourcery.com>
2195             Paul Brook  <paul@codesourcery.com>
2196
2197         * crtstuff.c: Handle targets that use .init_array.
2198         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
2199         that INVOKE__main is set correctly.
2200         (expand_main_function): Test INVOKE__main.
2201         * libgcc2.c: Do not define __main when using .init_array.
2202         * config/arm/arm.c (arm_elf_asm_constructor): New function.
2203         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
2204         libgcc version.
2205         (DTORS_SECTION_ASM_OP): Likewise.
2206         (CTOR_LIST_BEGIN): Define specially when in libgcc.
2207         (CTOR_LIST_END): Likewise.
2208         (DTOR_LIST_BEGIN): Likewise.
2209         (DTOR_LIST_END): Likewise.
2210         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
2211         (FINI_SECTION_ASM_OP): Likewise.
2212         (INIT_ARRAY_SECTION_ASM_OP): Define.
2213         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
2214         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
2215         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
2216         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
2217         (FINI_ARRAY_SECTION_ASM_OP): Likewise.  
2218
2219 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
2220
2221         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
2222         gcc_assert and gcc_unreachable as appropriate.
2223         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
2224         const_int_cost, output_move_const_into_data_reg,
2225         output_move_qimode, output_move_double, find_addr_reg,
2226         print_operand, print_operand_address): Likewise.
2227         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
2228         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
2229         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
2230         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
2231         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
2232         conditional_trap): Likewise.
2233         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
2234
2235 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
2236
2237         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
2238         gcc_unreachable as appropriate.
2239         (gen_conditional_move, xtensa_split_operand_pair,
2240         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
2241         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
2242         xtensa_copy_incoming_a7, xtensa_output_literal,
2243         xtensa_output_literal, xtensa_output_literal): Likewise.
2244         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
2245         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
2246         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
2247         movsicc_internal1, movsfcc_internal0,
2248         movsfcc_internal1): Likewise.
2249
2250 2005-04-28  James E Wilson  <wilson@specifixinc.com>
2251
2252         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
2253         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
2254
2255 2005-04-28  DJ Delorie  <dj@redhat.com>
2256
2257         * opt-functions.awk (var_set): Emit proper initializer for
2258         non-target bitfields.
2259
2260 2005-04-28  Devang Patel  <dpatel@apple.com>
2261
2262         * dbxout.c (have_used_extensions): Remove.
2263         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
2264         have_used_extensions.
2265         
2266 2005-04-28  James E Wilson  <wilson@specifixinc.com>
2267
2268         * doc/install.texi: Update -enable-languages info.  Correct path to
2269         html docs.
2270
2271 2005-04-28  DJ Delorie  <dj@redhat.com>
2272
2273         * optc-gen.awk (END): Make sure no variable is defined more
2274         than once.
2275         * opth-gen.awk (END): Allocate bits on a per-variable basis.
2276         Allow for bitfield variables other than target_flags.
2277         * doc/options.text (Mask): Document that you may specify a
2278         variable other than target_flags.
2279
2280 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
2281
2282         PR rtl-optimization/18877
2283         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
2284         number in val.start.
2285
2286 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
2287
2288         PR target/20813
2289         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
2290         MASK_PPC_GFXOPT.
2291         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
2292         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
2293         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
2294
2295 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
2296
2297         * arm.c (legitimize_pic_address): Fix sense of assertion test for
2298         creating pseudos when the base offset is too large.
2299
2300 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
2301
2302         * global.c (earlyclobber_regclass): Change the type to
2303         VEC(int,heap).
2304         (check_earlyclobber): Update uses of earlyclobber_regclass.
2305         (mark_reg_use_for_earlyclobber): Likewise.
2306         (calculate_local_reg_bb_info): Allocate and free
2307         earlyclobber_regclass using the VEC API.
2308
2309 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
2310
2311         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
2312         assert.
2313
2314 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
2315
2316         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
2317         (*targetm.foo).
2318
2319         * config.gcc: Obsolete c4x-* and tic4x-*.
2320
2321         * tree.h (edge_def): Remove.
2322
2323         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
2324         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
2325         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
2326         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
2327         where appropriate.
2328
2329         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
2330         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
2331         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
2332         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
2333         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
2334         machmode.def, mips-tfile.c, params.c, pretty-print.c,
2335         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
2336         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
2337         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
2338         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
2339         config/i386/cygming.h, config/i386/djgpp.h,
2340         config/i386/lynx.h, config/i386/netware.c,
2341         config/i386/winnt.c, config/ia64/ia64-c.c,
2342         config/iq2000/iq2000.c, config/m32r/little.h,
2343         config/m68k/m68k-protos.h, config/m68k/m68k.h,
2344         config/m68k/m68k.md, config/mcore/mcore.c,
2345         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
2346         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
2347         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
2348         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
2349         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
2350         config/pdp11/pdp11.h, config/rs6000/darwin.h,
2351         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
2352         config/s390/2064.md, config/s390/2084.md,
2353         config/s390/s390-modes.def, config/s390/s390-protos.h,
2354         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
2355         config/stormy16/stormy16.c, config/vax/vax-protos.h,
2356         config/vax/vax.c, config/vax/vax.h,
2357         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
2358         copyright.
2359
2360 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
2361
2362         * c-typeck.c (build_compound_expr): Correct logic in last change.
2363
2364 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
2365
2366         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
2367         parameters.  Replace conditional move code with assert checking for
2368         ar.lc.  Delete obsolete comments.
2369         (set_src_needs_barrier): Delete cond parameter, and code using it.
2370         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
2371         assert checking for PR_REGS.  Fix calls to update_set_flags and
2372         set_src_needs_barrier.
2373         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
2374         callers.  Rewrite explanatory comment before the function.
2375         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
2376         Fix all callers.
2377
2378 2005-04-27  Mike Stump  <mrs@apple.com>
2379
2380         * doc/cpp.texi: gcc now implements universal character names.
2381
2382 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
2383
2384         PR c/21159
2385         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
2386         being a compound expression whose right-hand side is cast to void.
2387
2388 2005-04-27  Caroline Tice  <ctice@apple.com>
2389
2390         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
2391         Remove targetm.have_named_sections test.
2392         (fix_edges_for_rarely_executed_code): Likewise.
2393         (insert_section_boundary_note): Likewise.
2394         (reorder_basic_blocks): Check partitioning flag before calling
2395         verify_hot_cold_block_grouping.
2396         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
2397         the function struct rather than global variables.
2398         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
2399         (COLD_END_LABEL): Likewise
2400         (cold_text_section_label): New static global variable.
2401         (cold_end_label): Likewise.
2402         (dwarf2out_switch_text_section): Get hot/cold section labels from
2403         the function struct rather than global variables; test to make sure
2404         cfun is defined.
2405         (output_aranges): Use cold_text_section_label and cold_end_label;
2406         check partitioning flag before putting out delta.
2407         (output_ranges): Remove incorrect code attempting to use
2408         hot/cold labels.
2409         (output_line_info): Get cold section label from function struct; test
2410         to make sure cfun is defined.
2411         (add_location_or_const_value_attribute): Likewise.
2412         (dwarf2out_var_location): Likewise.
2413         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
2414         write out cold_text_section_label if partition flag is set.
2415         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
2416         * function.h (struct function): Add new fields to point to hot/cold
2417         section labels: hot_section_label, cold_section_label,
2418         hot_section_end_label and cold_section_end_label; also add new field
2419         for cold text section name, unlikely_text_section_name.
2420         * opts.c (decode_options): Turn off partitioning flag if
2421         !targetm.have_named_sections.
2422         * output.h (hot_section_label): Remove.
2423         (hot_section_end_label): Remove.
2424         (cold_section_end_label): Remove.
2425         (unlikely_section_label): Remove.
2426         (unlikely_text_section_name): Remove.
2427         * passes.c (rest_of_handle_final):  Remove extra blank line.
2428         * varasm.c (unlikely_section_label): Remove.
2429         (hot_section_label): Remove.
2430         (hot_section_end_label): Remove.
2431         (cold_section_end_label): Remove.
2432         (unlikely_text_section_name):  Remove.
2433         (initialize_cold_section_name): Modify to call
2434         targetm.strip_name_encoding; to store cold section name in current
2435         function struct, if it exists; and to only use the decl_section_name
2436         if flag_named_sections is true.
2437         (unlikely_text_section): Modify to get section name out of current
2438         function struct, if there is one; otherwise build it from
2439         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
2440         (in_unlikely_text_section): Likewise.
2441         (named_section): Modify to get/put cold section name in current function
2442         struct, if there is one.
2443         (function_section):  Change 'bool unlikely' to 'int reloc'; check
2444         targetm.have_named_sections before calling named_section.
2445         (current_function_section): Likewise.
2446         (assemble_start_function): Modify to get/put unlikely_text_section_name
2447         in current function struct; modify to get hot/cold section labels
2448         from function struct; initialize labels using
2449         ASM_GENERATE_INTERNAL_LABEL;
2450         test partitioning flag before writing out hot section label.
2451         (assemble_end_function): Test partitioning flag before writing out
2452         hot/cold section labels.
2453         (default_section_type_flags_1):  Get cold text section name from
2454         function struct if there is one; Set flags correctly for
2455         cold text section if there is not a current function struct.
2456         
2457 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
2458
2459         * tree-ssa-propagate.c (set_rhs): Revert last change.
2460
2461 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
2462
2463         * explow.c (convert_memory_address): Add gcc_assert.
2464
2465 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
2466
2467         * configure.ac: Check for ld --sysroot support.
2468         * gcc.c: Document %R specifier for specs.
2469         (SYSROOT_SPEC): New macro.
2470         (sysroot_spec): New variable.
2471         (static_specs): Add sysroot_spec.
2472         (main): Pass the sysroot spec to the linker if appropriate.
2473         * configure: Regenerated.
2474         * config.in: Likewise.
2475
2476 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
2477
2478         * fold-const.c (fold_binary): Use build_fold_addr_expr
2479         for address calculation and INDIRECT_REF handling.
2480
2481 2005-04-27  Andrew Haley  <aph@redhat.com>
2482
2483         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
2484
2485 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2486
2487         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
2488         pointer when thumb backtracing is on.
2489
2490         * config/fp-bit.c (abort): Revert change.
2491
2492 2005-04-27  Ian Lance Taylor  <ian@airs.com>
2493
2494         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
2495
2496 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2497
2498         * tree-ssa-dce.c: Fix a comment typo.
2499
2500 2005-04-27  David S. Miller  <davem@davemloft.net>
2501
2502         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
2503         Kill setjmpless_size.  current_function_calls_setjmp is completely
2504         computed when we are called, so just use the optimized size value
2505         instead of using REG_SAVE_AREA notes.
2506         (optimize_save_area_alloca): Delete....
2507         * rtl.h (optimize_save_area_alloca): Likewise...
2508         * passes.c (rest_of_compilation): and don't call it any more.
2509         * reg-notes.def (SAVE_AREA): Delete.
2510         
2511 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2512
2513         * config/fp-bit.c (abort): Add noreturn attribute.
2514
2515         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
2516         gcc_unreachable as appropriate.
2517         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
2518         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
2519         ASM_OUTPUT_REG_POP): Likewise.
2520
2521 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
2522
2523         * tree-complex.c (expand_vector_operations_1): Do not build
2524         VIEW_CONVERT_EXPR's for the lhs.
2525
2526 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2527
2528         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
2529         unnecessary noncanonical RTL handling.
2530         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
2531         gcc_assert and gcc_unreachable.
2532
2533         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
2534         gcc_unreachable as appropriate.
2535         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
2536         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
2537         use_return_insn, const_ok_for_op, arm_gen_constant,
2538         arm_canonicalize_comparison, legitimize_pic_address,
2539         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
2540         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
2541         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
2542         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
2543         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
2544         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
2545         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
2546         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
2547         output_call, output_mov_long_double_fpa_from_arm,
2548         output_mov_long_double_arm_from_fpa,
2549         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
2550         output_move_double, arithmetic_instr, shift_op, int_log2,
2551         output_return_instruction, arm_output_function_prologue,
2552         arm_output_epilogue, arm_output_function_epilogue,
2553         emit_multi_reg_push, arm_get_frame_offsets,
2554         arm_compute_initial_elimination_offset, arm_expand_prologue,
2555         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
2556         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
2557         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
2558         thumb_compute_initial_elimination_offset,
2559         thumb_output_function_prologue, thumb_load_double_from_address,
2560         thumb_output_move_mem_multiple, thumb_reload_out_hi,
2561         arm_emit_vector_const, arm_dbx_register_number): Likewise.
2562         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
2563         * config/arm/arm.md (thumb_extendhisi2,
2564         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
2565         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
2566         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
2567         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
2568         * config/arm/cirrus.md (*cirrus_arm_movdi,
2569         *cirrus_movdf_hard_insn): Likewise.
2570         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2571
2572 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2573
2574         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
2575         (num_ssa_names): Use VEC_length.
2576         (ssa_names): Use VEC_index.
2577         * tree-ssanames.c (ssa_names): Change the type to
2578         VEC(tree,gc).
2579         (init_ssanames, fini_ssa_names, make_ssanames,
2580         release_ssa_name): Update uses of ssa_names.
2581
2582         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
2583         Use fold_buildN instead of fold (buildN (...)).
2584
2585 2005-04-27  Devang Patel <dpatel@apple.com>
2586
2587         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
2588
2589 2005-04-27  Matt Thomas <matt@3am-software.com>
2590             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
2591
2592         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
2593         (vax_output_mi_thunk): Ditto.
2594         (vax_notice_cc_update): Ditto.
2595         (INDEX_REGISTER_P): Add trailing \.
2596         (BASE_REGISTER_P): Add trailing \.
2597         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
2598
2599 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
2600
2601         * tree-ssa-propagate.c (set_rhs): Check operand of
2602         ADDR_EXPR for gimpliness, too.
2603
2604 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2605
2606         * tree-ssa-pre.c: Fix a comment typo.
2607
2608 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
2609
2610         PR tree-optimization/21171
2611         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
2612         record address uses if the reference is volatile.
2613
2614 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
2615
2616         * tree-complex.c (expand_vector_operation): New, extracted from
2617         expand_vector_operations_1.
2618         (tree_vec_extract): Build a NOP_EXPR.
2619         (expand_vec_parallel): Do not care about returning the correct type.
2620         (expand_vector_operations_1): Call expand_vector_operation.
2621         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
2622
2623         * tree-complex.c (gate_expand_vector_operations): New.
2624         (pass_lower_vector_ssa): Use it.
2625         * tree-optimize.c (init_tree_optimization_passes): Include
2626         pass_lower_vector_ssa.
2627         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
2628         (vectorizable_operation): Use it.
2629         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
2630         integer modes for the vector type.
2631
2632         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
2633         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
2634         Do not cope with UNITS_PER_SIMD_WORD == 0.
2635         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
2636         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
2637         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
2638         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
2639         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
2640         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
2641         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
2642
2643         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
2644         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
2645         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
2646
2647         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
2648         (UNITS_PER_SIMD_WORD): New.
2649
2650 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2651
2652         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
2653         gcc_unreachable as appropriate.
2654         (ia64_expand_load_address, ia64_expand_tls_address,
2655         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
2656         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
2657         next_scratch_gr_reg, ia64_initial_elimination_offset,
2658         ia64_expand_prologue, ia64_expand_epilogue,
2659         ia64_output_dwarf_dtprel, ia64_print_operand,
2660         ia64_register_move_cost, first_instruction, rws_access_regno,
2661         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
2662         ia64_sched_init, ia64_variable_issue,
2663         ia64_first_cycle_multipass_dfs_lookahead_guard,
2664         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
2665         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
2666         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
2667         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
2668         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2669         * config/ia64/predicates.md (got_symbolic_operand,
2670         sdata_symbolic_operand): Likewise.
2671         * config/ia64/vect.md (vcondv2sf): Likewise.
2672
2673 2005-04-27  Matt Thomas <matt@3am-software.com>
2674
2675         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
2676         CONSTANT_ADDRESS_P in config/vax/vax.h
2677         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h. 
2678         (INDEX_REGISTER_P): New.
2679         (BASE_REGISTER_P): New.
2680         (indirectable_constant_address_p): New.  Adapted from
2681         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
2682         (indirectable_address_p): New.  Adapted from
2683         INDIRECTABLE_ADDRESS_P in vax.h.
2684         (nonindexed_address_p): New.  Adapted from
2685         GO_IF_NONINDEXED_ADDRESS in vax.h.
2686         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
2687         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
2688         (legitimate_address_p): New.  Adapted from
2689         GO_IF_LEGITIMATE_ADDRESS in vax.h.
2690         (vax_mode_dependent_address_p): New.  Adapted from
2691         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
2692         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
2693         legitimate_constant_address_p.
2694         (CONSTANT_P): Use legitimate_constant_p.
2695         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
2696         (INDIRECTABLE_ADDRESS_P): Removed.
2697         (GO_IF_NONINDEXED_ADDRESS): Removed.
2698         (INDEX_TEMP_P): Removed.
2699         (GO_IF_REG_PLUS_INDEX): Removed.
2700         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
2701         definitions, depending on whether REG_OK_STRICT is defined.
2702         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
2703         Two definitions, depending on whether REG_OK_STRICT is defined.
2704         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
2705         added.
2706         (legitimate_constant_p): Prototype added.
2707         (legitimate_address_p): Prototype added.
2708         (vax_mode_dependent_address_p): Prototype added.
2709
2710 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2711
2712         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
2713
2714 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
2715
2716         PR c/21213
2717         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
2718         transparent union.
2719
2720 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
2721
2722         PR c/20740
2723         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
2724         assertion failures, if __gcc_host_wide_int__ is not properly
2725         defined.
2726         (init_dynamic_diag_info): Give errors, not assertion failures, if
2727         location_t, tree or __gcc_host_wide_int__ are not properly
2728         defined.
2729
2730 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
2731
2732         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
2733         n_iv_uses, iv_use, n_iv_cands, iv_cand,
2734         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
2735         prepare_decl_rtl, free_loop_data,
2736         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
2737         VARRAY.
2738
2739         * tree.h (tree_phi_node): Add a comment about the order of PHI
2740         arguments.
2741
2742 2005-04-26  Paul Brook  <paul@codesourcery.com>
2743
2744         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
2745
2746 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
2747
2748         * config/mips.mips.c (mips_legitimize_tls_address): Use
2749         gcc_unreachable.
2750
2751         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
2752         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
2753         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
2754
2755         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
2756         'abort'.
2757
2758 2005-04-26  Jeff Law  <law@redhat.com>
2759
2760         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
2761         (op_iter_init_must_and_may_def): Likewise.
2762         (unmodifiable_var_p): Move to a later point in the file.
2763         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
2764         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
2765         (dse_record_phis): Directly check for virtual operands rather than
2766         using need_imm_uses_for.
2767         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
2768         store has multiple V_{MAY,MUST}_DEF operands.
2769
2770 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
2771
2772         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
2773         stmt.
2774
2775 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
2776
2777         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
2778         call to find_edge outside a loop to go through a PHI chain.
2779
2780 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
2781
2782         PR tree-optimization/17598
2783         * fold-const.c (fold_binary): Fold comparisons of addresses
2784         of COMPONENT_REFs which reference the same field to
2785         comparisons of the addresses of the base objects.
2786
2787 2005-04-26  Julian Brown  <julian@codesourcery.com>
2788
2789         * config/arm/arm.c (arm_return_in_msb): New function.
2790         (arm_must_pass_in_stack): New function.
2791         (TARGET_RETURN_IN_MSB): Define target hook.
2792         (TARGET_MUST_PASS_IN_STACK): Define target hook.
2793         (arm_function_value): Pad small aggregate return.
2794         (arm_pad_arg_upward): New function.
2795         (arm_pad_reg_upward): New function.
2796         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
2797         (FUNCTION_ARG_PADDING): Define macro.
2798         (BLOCK_REG_PADDING): Define macro.
2799         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
2800         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
2801         (arm_pad_reg_upward): Declare function.
2802
2803 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
2804
2805         * basic-block.h (ei_cond): New.
2806         (FOR_EACH_EDGE): Call ei_cond.
2807
2808         PR tree-optimization/21047
2809         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
2810         (fold): Don't handle ASSERT_EXPR.
2811
2812 2005-04-25  Roger Sayle  <roger@eyesopen.com>
2813
2814         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
2815         all writes to any stack register as a read/write dependency on
2816         FIRST_STACK_REG.
2817         (sched_analyze_2): Likewise, for reads from any stack register.
2818
2819 2005-04-25  Richard Henderson  <rth@redhat.com>
2820
2821         * final.c (output_addr_const): Revert 2005-04-09 change.
2822
2823 2005-04-25  Mike Stump  <mrs@apple.com>
2824
2825         * config/darwin.c (darwin_encode_section_info): Always set
2826         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
2827
2828 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2829
2830         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
2831         gensupport.c, protoize.c, toplev.c: Replace calls to
2832         `unlock_stream' with `unlock_std_streams'.
2833
2834 2005-04-25  Devang Patel <dpatel@apple.com>
2835
2836         * dbxout.c (dbxout_type): Emit attribute vector.
2837         
2838 2005-04-05  Paul Brook  <paul@codesourcery.com>
2839
2840         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
2841         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
2842         * config/arm/arm.c (arm_cxx_atexit_name): New function.
2843         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
2844         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
2845         (register_dtor_fn): Likewise.
2846         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
2847
2848 2005-04-25  Ian Lance Taylor  <ian@airs.com>
2849
2850         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
2851         * c-common.h (EXPR_STMT_EXPR): Don't define.
2852         (c_common_stmt_codes): Don't define.
2853         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
2854         * c-gimplify.c (gimplify_expr_stmt): Remove.
2855         (c_gimplify_expr): Remove EXPR_STMT case.
2856         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
2857         to INIT_STATEMENT_CODES.
2858         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
2859
2860 2005-04-25  Jan Hubicka  <jh@suse.cz>
2861
2862         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
2863
2864         * except.c: Include diagnostic.h
2865         (dump_eh_tree, verify_eh_tree): New functions.
2866         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
2867         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
2868         (dump_function_to_file): dump eh tree.
2869         * tree-eh.c (mark_eh_edge): New function.
2870         (mark_eh_edge_found_error): New static variable.
2871         (verify_eh_edges): New function.
2872
2873 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
2874
2875         * tree-ssa-alias.c (fieldoff_t): Remove.
2876         (fieldoff_s): typedef the structure itself.  Create a vector of
2877         objects.
2878         (push_fields_onto_fieldstack): Return count of fields pushed.
2879         Remove peeling of first field.  Adjust.
2880         (fieldoff_compare): Adjust.
2881         (create_overlap_variables_for): Adjust.
2882
2883 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
2884
2885         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
2886
2887 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
2888
2889         PR bootstrap/21215
2890         * doc/install.texi: Document correct assembler and linker to use
2891         on i?86-*-solaris2.10.
2892
2893 2005-04-25  Steven Bosscher  <stevenb@suse.de>
2894
2895         Fix PR tree-optimization/21173
2896
2897         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
2898         Unshare expression we pass to force_gimple_operand.
2899
2900 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
2901             Stephen Clarke <stevec@superh.com>
2902             Roger Sayle <roger@eyesopen.com>
2903
2904         PR rtl-optimization/20413
2905         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
2906         VOIDmode for LABEL_REF.
2907         * final.c (shorten_branches): Likewise.
2908         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
2909         * loop.c (reg_dead_after_loop): Likewise.
2910         * varasm.c (decode_addr_const): Likewise.
2911         * doc/rtl.texi: Document mode requirement for LABEL_REF.
2912
2913 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
2914
2915         * config.gcc (avr-*-*): Remove redundant "case".
2916
2917 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
2918
2919         * tree-vect-analyze.c (vect_mark_relevant): Take
2920         VEC(tree,heap) instead of varray_type as an argument.
2921         (vect_mark_stmts_to_be_vectorized): Change the type of
2922         worklist to VEC(tree,heap).  Adjust uses of worklist.
2923
2924 2005-04-24  Devang Patel  <dpatel@apple.com>
2925
2926         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
2927         
2928 2005-04-24  Ian Lance Taylor  <ian@airs.com>
2929
2930         * c-semantics.c (build_stmt): Remove test of specific tree codes
2931         for TREE_SIDE_EFFECTS handling.
2932
2933 2005-04-24  Per Bothner  <per@bothner.com>
2934
2935         * c-opts.c (finish_options):  Make the line-number of the <built-in>
2936         location 0, as assumed elsewhere, rather than 1.
2937
2938 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
2939
2940         * tree-ssa-uncprop.c (equiv_stack): Change the type o
2941         VEC(tree,heap).
2942         (tree_ssa_uncprop, uncprop_finalize_block,
2943         uncprop_initialize_block): Update uses of equiv_stack.
2944
2945 2005-04-24  Richard Henderson  <rth@redhat.com>
2946
2947         PR rtl-opt/21163
2948         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
2949         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
2950         constm1_rtx.
2951         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
2952         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
2953         <DIV, MOD>: Likewise.
2954
2955 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2956
2957         * collect2.c (main): Unlock the stdio streams.
2958         * gcc.c (main): Likewise.
2959         * gcov-dump.c (main): Likewise.
2960         * gcov.c (main): Likewise.
2961         * gen-protos.c (main): Likewise.
2962         * gensupport.c (init_md_reader_args_cb): Likewise.
2963         * protoize.c (main): Likewise.
2964         * toplev.c (general_init): Likewise.
2965
2966 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
2967
2968         PR middle-end/20991
2969         * cgraph.h (cgraph_local_info): Add vtable_method field.
2970         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
2971         and node is vtable_method, finalized and not reachable, don't do
2972         anything.
2973
2974 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
2975
2976         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
2977         COMPARISON_CLASS_P.
2978         * tree-ssa-pre.c (create_value_expr_from): Use
2979         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
2980         * tree-ssa-propagate.c (stmt_makes_single_load,
2981         stmt_makes_single_store): Use REFERENCE_CLASS_P.
2982         * tree-vect-transform.c (vect_is_simple_cond): Use
2983         COMPARISON_CLASS_P.
2984         * tree-vrp.c (extract_range_from_assert,
2985         build_assert_expr_for, fp_predicate, has_assert_expr): Use
2986         COMPARISON_CLASS_P.
2987
2988         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
2989         of tpa_to_clear to VEC(int,heap).  Update uses of
2990         tpa_to_clear.  Free tpa_to_clear at the end.
2991
2992 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
2993
2994         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
2995         function decl.
2996
2997 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
2998
2999         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
3000         and gcc_unreachable as appropriate.
3001         (num_insns_constant, output_vec_const_move,
3002         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
3003         rs6000_emit_set_const, rs6000_emit_move,
3004         spe_build_register_parallel, function_arg,
3005         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
3006         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
3007         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
3008         rs6000_common_init_builtins, expand_block_clear,
3009         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
3010         extract_ME, rs6000_get_some_local_dynamic_name,
3011         rs6000_output_function_entry, print_operand,
3012         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
3013         output_cbranch, output_e500_flip_gt_bit,
3014         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
3015         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
3016         compute_save_world_info, rs6000_stack_info,
3017         rs6000_emit_load_toc_table, rs6000_frame_related,
3018         spe_synthesize_frame_save, rs6000_emit_epilogue,
3019         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
3020         output_function_profiler, rs6000_trampoline_size,
3021         rs6000_initialize_trampoline, find_addr_reg,
3022         rs6000_machopic_legitimize_pic_address,
3023         rs6000_initial_elimination_offset,
3024         rs6000_dbx_register_number): Likewise.
3025         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
3026         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
3027         *movti_power, *movti_string, call, call_value, sibcall,
3028         sibcall_value): Likewise.
3029         * config/rs6000/spe.md (*movdf_e500_double,
3030         *movv2si_internal): Likewise.
3031         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
3032         from comment.
3033
3034 2005-04-24  Richard Henderson  <rth@redhat.com>
3035
3036         PR target/21101
3037         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
3038         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
3039         Deny modes smaller than 4 bytes.
3040         * config/i386/i386-protos.h: Update.
3041
3042 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
3043
3044         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
3045         Switch h8300-*-rtems* to ELF.
3046
3047 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
3048
3049         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
3050
3051 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
3052
3053         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
3054
3055 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
3056
3057         PR middle-end/21082
3058         * fold-const.c: Fold &a[i]-&a[j] to i-j.
3059
3060 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
3061
3062         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
3063         definitions of ssa names in condition.  Split recusive part to ...
3064         (tree_simplify_using_condition_1): New function.
3065         (expand_simple_operations): New function.
3066
3067 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
3068
3069         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
3070         (find_interesting_uses_cond): Do not use integer_zerop and
3071         integer_nonzerop to check for integer constants.
3072         (set_use_iv_cost): Record the value field.
3073         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
3074         determine_use_iv_cost_outer): Set the value field of the cost pair.
3075         (may_eliminate_iv): Do not return the comparison code.
3076         (iv_elimination_compare): New function.
3077         (determine_use_iv_cost_condition): Set the value field.  Record
3078         noneliminable invariants correctly.
3079         (rewrite_use_compare, rewrite_use_outer): Use the value field.
3080
3081 2005-04-23  DJ Delorie  <dj@redhat.com>
3082
3083         * diagnostic.c (warning): Accept parameter to classify warning option.
3084         (warning0): New, for when a pointer to an error() like function is needed.
3085         * errors.c (warning): Likewise.
3086         * errors.h (warning, warning0): Adjust prototypes.
3087         * toplev.h (warning, warning0): Likewise.
3088
3089         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
3090         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
3091         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
3092         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
3093         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
3094         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
3095         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
3096         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
3097
3098         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
3099         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
3100         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
3101         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
3102         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
3103         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
3104         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
3105         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
3106         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
3107         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
3108         config/rs6000/aix52.h, config/rs6000/darwin.h,
3109         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
3110         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3111         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
3112         config/stormy16/stormy16.c, config/v850/v850-c.c,
3113         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
3114         callers.
3115         
3116 2005-04-23  Richard Henderson  <rth@redhat.com>
3117
3118         PR rtl-opt/21102
3119         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
3120         performing some integral scalar simplifications.
3121
3122 2005-04-23  Richard Henderson  <rth@redhat.com>
3123
3124         PR target/21099
3125         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
3126         simplifying CONST_VECTOR.
3127
3128 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
3129
3130         * tree-ssa-live.c (live_worklist): Take a stack allocated on
3131         heap as an argument.  Update uses of stack.
3132         (calculate_live_on_entry): Allocate stack on heap.
3133
3134         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
3135         partition_link and tpa_nodes on heap.
3136
3137         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
3138         (mark_stmt_necessary, propagate_necessity,
3139         mark_really_necessary_kill_operand_phis): Update uses of
3140         worklist.
3141         (tree_dce_init): Allocate worklist using VEC_alloc.
3142         (tree_dce_done): Free worklist using VEC_free.
3143
3144 2005-04-23  Mike Stump  <mrs@apple.com>
3145
3146         * config/darwin.c (machopic_indirection_name): Don't use
3147         quotes needlessly.
3148         (darwin_emit_unwind_label): Use user_label_prefix instead of
3149         "_".
3150
3151 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
3152
3153         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
3154
3155 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
3156
3157         * config.gcc <cris-*>: Specify .opt files.
3158         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
3159         config/cris/linux.opt: New files.
3160         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
3161         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
3162         (TARGET_ELF): Override to 0.
3163         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
3164         -melinux-stacksize=N.
3165         * config/cris/cris.c: (cris_handle_option): New function.
3166         (TARGET_DEFAULT_TARGET_FLAGS): Override.
3167         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
3168         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
3169         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
3170         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
3171         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
3172         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
3173         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
3174         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
3175         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
3176         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
3177         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
3178         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
3179         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
3180         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
3181         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
3182         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
3183         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
3184         (TARGET_LINUX): Define 0.
3185         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
3186         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
3187         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
3188         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
3189         (TARGET_LINUX): Override to 1.
3190         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
3191
3192 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3193
3194         * haifa-sched.c (schedule_block): Fix thinko in previous
3195         assertification patch.
3196
3197 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
3198
3199         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
3200         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
3201         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
3202         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
3203         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
3204         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
3205         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
3206         for hpux11.[1-9]*.
3207         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
3208         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
3209         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
3210         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
3211         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
3212         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
3213         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
3214         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
3215         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
3216         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
3217         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
3218         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
3219         (SUBTARGET_OPTIONS): Delete.
3220         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
3221         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
3222         instead of a string.
3223         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
3224         (pa_cpu_string, pa_unix_string): Delete.
3225         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
3226         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
3227         TARGET_HPUX_10_10.
3228         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3229         (pa_handle_option): New function.
3230         (override_options): Remove handling of -march=, -mfixed-range=,
3231         -mschedule= and -munix=.
3232         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
3233         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
3234         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
3235         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
3236         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
3237         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
3238         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
3239         redefining.
3240         * config/pa/pa.opt: New file.
3241         * config/pa/pa-hpux.opt: New file.
3242         * config/pa/pa-hpux1010.opt: New file.
3243         * config/pa/pa-hpux1111.opt: New file.
3244         * config/pa/pa64-hpux.opt: New file.
3245
3246 2005-04-22  David S. Miller  <davem@davemloft.net>
3247
3248         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
3249         integer when it's mode is VOIDmode not DImode.
3250
3251 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
3252
3253         * config/rs6000/rs6000.md (sync_add<mode>_internal,
3254         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
3255         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
3256         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
3257         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
3258         "bne- $-xxx" rather than local labels.
3259         (sync_lock_release<mode>): Add second operand.
3260         (lwsync): Use .long rather than a more meaningful opcode.
3261         * doc/md.texi (Standard Names): Add description of second
3262         parameter to sync_lock_test_and_set.
3263
3264 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
3265
3266         PR tree-optimization/21088
3267         * fold-const.c (fold_unary, fold_binary, fold_ternary):
3268         Export.
3269         * tree-vrp.c (compare_values): Use fold_binary to compare
3270         pointers.  Use boolean_type_node as the type of a comparison
3271         expression being folded.
3272         * tree.h: Add prototypes for fold_unary, fold_binary,
3273         fold_ternary.
3274
3275         * tree-ssa-dom.c: Fix formatting.
3276
3277 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
3278
3279         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
3280         * lambda-code.c (perfect_nestify): Mark virtual operands in
3281         the moved statement for renaming.
3282         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
3283         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
3284         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
3285         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
3286         * tree-flow.h (struct var_ann_d): Update comments.
3287         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
3288         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
3289         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
3290         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
3291         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
3292         debug_names_replaced_by): Remove declarations.
3293         (delete_update_ssa, get_current_def, set_current_def): Declare.
3294         (rewrite_into_loop_closed_ssa): Add new argument.  Update
3295         all callers.
3296         * tree-into-ssa.c: Include params.h.
3297         (old_virtual_ssa_names): Remove.  Update all users.
3298         (need_to_replace_names_p): Remove.  Update all users.
3299         (struct update_ssa_stats_d): Declare.
3300         (update_ssa_stats): New local.
3301         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
3302         dump_tree_ssa_stats, debug_tree_ssa_stats,
3303         dump_update_ssa, debug_update_ssa,
3304         dump_names_replaced_by, debug_names_replaced_by): Declare.
3305         (get_current_def, set current_def): Make extern.
3306         (is_old_name, is_new_name): Protect against references
3307         past the end of the sets.
3308         (add_new_name_mapping): Assert that OLD and NEW are
3309         different SSA names for the same symbol.
3310         When adding a virtual mapping, update stats for virtual
3311         mapping heuristic.
3312         (insert_phi_nodes_for): If UPDATE_P is true, create the
3313         LHS of the new PHI by duplicating SSA name VAR.
3314         (insert_phi_nodes_1): Remove.  Update all users.
3315         (insert_phi_nodes): Remove second argument.  Update all
3316         users.
3317         (maybe_replace_use, maybe_replace_def): New.
3318         (rewrite_update_stmt): Call them.
3319         (mark_def_interesting): Remove calls to is_gimple_reg.
3320         (prepare_phi_args_for_update): Remove.  Update all users.
3321         (prepare_block_for_update): Only process virtual operands
3322         and GIMPLE registers in normal form.
3323         (prepare_use_sites_for): New.
3324         (prepare_names_to_update): Rename from prepare_def_sites.
3325         Call prepare_use_sites_for.
3326         (dump_update_ssa): Rename from dump_repl_tbl.
3327         Update all users.
3328         Show statistics for virtual mapping heuristic.
3329         (debug_update_ssa): Rename from debug_debug_repl_tbl.
3330         (init_update_ssa): Initialize UPDATE_SSA_STATS.
3331         (delete_update_ssa): Make extern.
3332         (mark_set_for_renaming): If the set is empty, do nothing.
3333         (release_ssa_name_after_update_ssa): Update comment.
3334         (insert_updated_phi_nodes_for): Do not remove existing
3335         PHI nodes for symbols.
3336         (switch_virtuals_to_full_rewrite_p): New.
3337         (switch_virtuals_to_full_rewrite): New.
3338         (update_ssa): Call them.
3339         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
3340         for every statement before updating.
3341         If all the names in NEW_SSA_NAMES have been marked for
3342         removal, do nothing.
3343         Only start at the top of the CFG if there are symbols in
3344         SYMS_TO_RENAME.
3345         (ssa_rewrite_finalize_block): Remove.
3346         (ssa_register_new_def): Remove.
3347         (ssa_rewrite_stmt): Remove.
3348         (ssa_rewrite_phi_arguments): Remove.
3349         (ssa_rewrite_initialize_block): Remove.
3350         (ssa_mark_def_sites): Remove.
3351         (ssa_mark_def_sites_initialize_block): Remove.
3352         (ssa_mark_phi_uses): Remove.
3353         (rewrite_ssa_into_ssa): Remove.
3354         * tree-phinodes.c (find_phi_node_for): Remove.
3355         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
3356         Call update_ssa.
3357         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
3358         Remove calls to verify_dominators and
3359         verify_loop_structure.
3360         (tree_unswitch_single_loop): Call update_ssa.
3361         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
3362         returns false.
3363         Call verify_stmts.
3364         (delete_tree_ssa): Assert that need_ssa_update_p returns
3365         false.
3366         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
3367         * tree-vectorizer.c (allocate_new_names, rename_def_op,
3368         free_new_names): Remove.  Update all users.
3369         (rename_use_op): Call get_current_def.
3370         (rename_variables_in_bb): Do not handle any real or
3371         virtual definition.
3372         (slpeel_update_phis_for_duplicate_loop): Call
3373         get_current_def and set_current_def instead of using
3374         SSA_NAME_AUX.
3375         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
3376         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
3377         ssa_names_to_replace and delete_update_ssa.
3378         * doc/invoke.texi: Document --param min-virtual-mappings
3379         and --param virtual-mappings-ratio.
3380
3381 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
3382
3383         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
3384         for newly created PHI nodes.
3385         Call create_new_def_for for every new V_MAY_DEF and
3386         V_MUST_DEF on the copied statement.
3387         (struct ssa_name_map_entry): Remove.
3388         (ssa_name_map_entry_hash): Remove.
3389         (ssa_name_map_entry_eq): Remove.
3390         (allocate_ssa_names): Remove.
3391         (rewrite_to_new_ssa_names_def): Remove.
3392         (rewrite_to_new_ssa_names_use): Remove.
3393         (rewrite_to_new_ssa_names_bb): Remove.
3394         (rewrite_to_new_ssa_names): Remove.
3395         (tree_duplicate_sese_region): Remove variables ver,
3396         definitions, phi, ssa_name_map and bi.
3397         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
3398         Call update_ssa.
3399         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
3400         update_ssa instead of rewrite_ssa_into_ssa.
3401         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
3402         create_new_def_for.
3403         (find_uses_to_rename_use): Add argument 'need_phis'.
3404         (find_uses_to_rename_stmt): Do not scan virtual operands.
3405         (find_uses_to_rename): Only scan PHI nodes for
3406         non-virtual names.
3407         (rewrite_into_loop_closed_ssa): Call update_ssa.
3408         (check_loop_closed_ssa_use): Ignore virtual operands.
3409         (check_loop_closed_ssa_stmt): Likewise.
3410         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
3411         NULL.
3412         (rename_variables, set_phi_def_stmts): Remove.
3413         (tree_duplicate_loop_to_header_edge): Reformat comment.
3414         Remove variables BB, I and DEFINITIONS.
3415         Call need_ssa_update_p.
3416         Call update_ssa.
3417         (lv_adjust_loop_header_phi): Reformat comment.
3418         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
3419         (marked_for_rewrite_p, any_marked_for_rewrite_p,
3420         mark_for_rewrite, unmark_all_for_rewrite,
3421         marked_ssa_names): Remove.  Update all users.
3422         (release_ssa_name): If VAR has been registered for SSA
3423         updating, do nothing.
3424         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
3425         (build_assert_expr_for): Call register_new_name_mapping.
3426         (insert_range_assertions): Update call to update_ssa.
3427         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
3428         marked_for_rewrite_p, any_marked_for_rewrite_p,
3429         marked_ssa_names): Remove.
3430
3431 2005-04-22  Jeff Law  <law@redhat.com>
3432
3433         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
3434         (restore_currdefs_to_original_value): Likewise.
3435         (register_definitions_for_stmt): Likewise.
3436         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
3437         for each variable.  Do not allocate/free block_defs_stack either.
3438         Do not iterate if we just thread jumps.  Only iterate if the
3439         tree_cleanup_cfg does useful work (temporary).
3440         (dom_opt_initialize_block): No longer push a marker on
3441         BLOCK_DEFS_STACK.
3442         (dom_opt_finalize_block): Removal call to restore currdefs.
3443         Relax restrictions for recording edge equivalences.
3444         (record_equivalences_from_phis): No longer need to track
3445         CURRENT_DEF.
3446         (optimize_stmt): Similarly.
3447         (thread_across_edge): Simplify by removing the requirement that
3448         statements in the block we are threading through must be nops.
3449         (initialize_hash_element): Handle GOTO_EXPR.
3450
3451 2005-04-22  David S. Miller  <davem@davemloft.net>
3452
3453         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
3454         CONST_DOUBLE_HIGH.
3455         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
3456         fix check on CONST_DOUBLE mode.  It should be VOIDmode
3457         when it is representing an integer.
3458
3459 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3460
3461         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
3462         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
3463         * c-format.c (get_constant, decode_format_attr, get_flag_spec, 
3464         find_char_info_specifier_index,
3465         find_length_info_modifier_index): Likewise.
3466         * c-typeck.c (composite_type, pop_init_level): Likewise.
3467         * combine.c (cant_combine_insn_p, try_combine): Likewise.
3468         * cse.c (cse_insn): Likewise
3469         * dominance.c (calc_dfs_tree): Likewise
3470         dwarf2out.c (loc_descriptor_from_tree_1,
3471         add_abstract_origin_attribute, force_decl_die,
3472         force_type_die): Likewise
3473         emit-rtl.c (operand_subword_force): Likewise
3474         explow.c (hard_function_value): Likewise
3475         expmed.c (store_bit_field, expand_divmod,
3476         emit_store_flag_force): Likewise
3477         expr.c (emit_move_multi_word, store_expr,
3478         expand_expr_real_1): Likewise
3479         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
3480         output_operand): Likewise
3481         flow.c (recompute_reg_usage): Likewise
3482         * function.c (assign_stack_temp_for_type, assign_temp, 
3483         handle_epilogue_set): Likewise
3484         * genextract.c (main): Likewise
3485         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
3486         gimplify_modify_expr_rhs, gimplify_expr): Likewise
3487         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
3488         ready_remove, rm_line_notes, rm_other_notes,
3489         schedule_block): Likewise
3490         mips-tfile.c (copy_object, out_of_bounds): Likewise
3491
3492 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
3493
3494         PR target/20813
3495         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
3496         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
3497         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
3498         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
3499         TARGET_XL_COMPAT.
3500         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
3501
3502 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3503
3504         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
3505         (gcc_tree_to_linear_expression): Convert to heap allocated
3506         vectors.
3507         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
3508         lbv_to_gcc_expression, lle_to_gcc_expression,
3509         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, 
3510         perfect_nestify): Likewise.
3511         lambda.h (gcc_loopnest_to_lambda_loopnest,
3512         lambda_loopnest_to_gcc_loopnest): Likewise.
3513         tree-loop-linear.c (linear_transform_loops): Likewise.
3514
3515 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
3516
3517         * config/sparc/predicates.md (arith_double_operand): Use
3518         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
3519         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
3520         (DImode, DFmode constant splitters): Likewise.  Remove code for
3521         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
3522         (logical constant splitters): Use const_int_operand predicate.
3523         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
3524         HOST_BITS_PER_WIDE_INT < 64.
3525
3526 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3527
3528         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
3529         gcc_unreachable as appropriate.
3530         (force_mode, emit_move_sequence, singlemove_string,
3531         output_move_double, output_fp_move_double, find_addr_reg,
3532         output_block_move, output_block_clear, output_and,
3533         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
3534         pa_adjust_cost, pa_issue_rate, print_operand,
3535         output_global_address, output_arg_descriptor, output_cbranch,
3536         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
3537         output_call): Likewise.
3538         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
3539         prefetch, prefetch_cc, prefetch_nocc): Likewise.
3540
3541 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
3542
3543         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
3544         _gcov_pow2_profiler and _gcov_one_value_profiler.
3545         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
3546         (GTFILES): Add $(srcdir)/tree-profile.c.
3547         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
3548         __gcov_one_value_profiler): Declare.
3549         * gimplify.c (force_gimple_operand): Check whether the statements
3550         should be produced in ssa form.
3551         (force_gimple_operand_bsi): New function.
3552         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
3553         __gcov_one_value_profiler): New functions.
3554         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
3555         the profiled value is a power of two or not.
3556         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
3557         * tree-flow.h (in_ssa_p): Declare.
3558         (force_gimple_operand_bsi): Declare.
3559         * tree-into-ssa.c (in_ssa_p): New variable.
3560         (rewrite_into_ssa): Set in_ssa_p.
3561         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
3562         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
3563         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
3564         tree_one_value_profiler_fn): New variables.
3565         (tree_init_edge_profiler): Initialize the profiler function decls.
3566         (tree_gen_edge_profiler): Use global gcov_type_node.
3567         (prepare_instrumented_value): New function.
3568         (tree_gen_interval_profiler, tree_gen_interval_profiler,
3569         tree_gen_one_value_profiler): Call the library functions instead of
3570         creating instrumentation code.
3571         * tree.c (build_fn_decl): New function.
3572         * tree.h (build_fn_decl): Declare.
3573         * value-prof.c (rtl_divmod_values_to_profile,
3574         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
3575         tree_mod_pow2_value_transform, tree_find_values_to_profile):
3576         Do not handle may_be_other and precise values of exponents at pow2
3577         profiler.
3578         (tree_mod_subtract_transform): Reflect that value field of
3579         histogram has changed meaning.
3580         (tree_divmod_values_to_profile): Record the values correctly.
3581         (tree_values_to_profile): Update comment.
3582         * value-prof.h (struct histogram_value_t): Remove pow2 data.
3583
3584 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
3585
3586         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
3587         (decl).
3588
3589 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3590
3591         * config/i386/i386.md (length_immediate): Use gcc_assert or
3592         gcc_unreachable, as appropriate.
3593         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
3594         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
3595         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
3596         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
3597         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
3598         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
3599         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
3600         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
3601         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
3602         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
3603         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
3604         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
3605         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
3606         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
3607         *prefetch_sse_rex): Likewise.
3608         * config/i386/predicates.md (x86_64_immediate_operand,
3609         x86_64_zext_immediate_operand, symbolic_operand,
3610         no_seg_address_operand, aligned_operand,
3611         memory_displacement_operand): Likewise.
3612         * config/i386/sse.md (*mov<mode>_internal,
3613         *movv2df_internal): Likewise.
3614
3615 2005-04-22  Jan Hubicka  <jh@suse.cz>
3616
3617         * Makefile.in (ipa.o, ipa-inline.o): New files.
3618         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
3619         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
3620         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
3621         * cgraphunit.c (cgraph_default_inline_p,
3622         cgraph_decide_inlining_incrementally,  ncalls_inlined,
3623         nfunctions_inlined, initial_insns, overall_insns, 
3624         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
3625         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
3626         cgraph_mark_inline, cgraph_check_inline_limits,
3627         cgraph_default_inline_p, cgraph_recursive_inlining_p,
3628         update_callee_keys, lookup_recursive_calls,
3629         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
3630         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
3631         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
3632         pass_ipa_inline): Move to ipa-inline.c
3633         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
3634         * ipa.c: New file.
3635         * ipa-inline.c: New file.
3636
3637 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
3638
3639         * doc/invoke.texi (SPARC options): Document that -mapp-regs
3640         is turned off by default on Solaris.
3641
3642 2005-04-21  Roger Sayle  <roger@eyesopen.com>
3643
3644         * c-common.h (objc_build_method_signature): Update prototype.
3645         * stub-objc.c (objc_build_method_signature): Update the stub
3646         implementation to accept and ignore additional parameter.
3647         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
3648         the value of ellipsis to objc_build_method_signature instead
3649         of setting TREE_OVERFLOW on the parms TREE_LIST node.
3650
3651 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
3652
3653         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
3654         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
3655         gen_rtx_* not gen_rtx_fmt_*.
3656         (rs6000_emit_vector_select): Likewise.
3657         (rs6000_emit_sync): New.
3658         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
3659         (larx, stcx, cmp): New mode substitutions.
3660         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
3661         UNSPEC_ISYNC): New constants.
3662         (rlwinm): Give name.
3663         (memory_barrier, isync, lwsync): New insns.
3664         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
3665         (sync_lock_release<mode>): New expander.
3666         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
3667         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
3668         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
3669         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
3670         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
3671         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
3672         (sync_add<mode>_internal, sync_addshort_internal,
3673         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
3674         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
3675         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
3676
3677         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
3678         is the memory before, not after, the operation.  Clarify
3679         barrier requirements.
3680
3681 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3682
3683         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
3684         * lambda.h (lambda_vector_min_nz): Likewise.
3685         * langhooks.h (struct lang_hooks_for_types,
3686         struct lang_hooks): Likewise.
3687         * output.h (assemble_integer, this_is_asm_operands): Likewise.
3688         * tree.h: Likewise.
3689         * vec.h: Likewise.
3690         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
3691         
3692         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
3693         comments to avoid 'abort'.  Use gcc_assert as necessary.
3694         * opts.c (common_handle_option): Likewise.
3695         * pretty-print.c (pp_base_format_text): Likewise.
3696         * print-rtl.c (print_rtx): Likewise.
3697         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
3698         * regmove.c (try_auto_increment): Likewise.
3699         * reload.c (find_valid_class, find_reloads_toplev,
3700         find_equiv_reg): Likewise.
3701         * reload1.c (reload, forget_old_reloads_1, function_invariant_p, 
3702         merge_assigned_reloads): Likewise.
3703         * tree-inline.c (inline_forbidden_p_1,
3704         estimate_num_insns_1): Likewise.
3705         * tree-optimize.c (execute_todo): Likewise.
3706         * tree-outof-ssa.c (eliminate_phi): Likewise.
3707         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
3708         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
3709         * tree-ssa-operands.c (parse_ssa_operands,
3710         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
3711         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
3712         * tree-ssanames.c (release_ssa_name): Likewise.
3713         * tree.c (int_bit_position, int_byte_position, tree_low_cst, 
3714         walk_tree): Likewise.
3715
3716         * tree-ssa-operands.c (verify_abort): Fold into ..
3717         (verify_imm_links): ... here.
3718
3719 2005-04-21  Richard Henderson  <rth@redhat.com>
3720
3721         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
3722         on non-memory operand for previous inversion.
3723
3724 2005-04-21  Devang Patel  <dpatel@apple.com>
3725
3726         PR optimization/20994
3727         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
3728         x = !(a == b) : p , q;.
3729         (pass_if_conversion): Verify stmts and flow.
3730         
3731 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3732
3733         * optabs.c (gen_conditional_trap): Restore #define.
3734
3735         * alias.c (true_dependence): Remove 'abort' from comments. Use
3736         gcc_assert and gcc_unreachable as appropriate.
3737         (canon_true_dependence): Likewise.
3738         * bb-reorder.c (connect_traces): Likewise.
3739         * c-common.c (c_add_case_label): Likewise.
3740         * c-decl.c (finish_function): Likewise.
3741         * caller-save.c (insert_restore, insert_save): Likewise.
3742         * cfg.c (update_bb_profile_for_threading): Likewise.
3743         * cfganal.c (flow_active_insn_p): Likewise.
3744         * cfgexpand.c (add_reg_br_prob_note): Likewise.
3745         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
3746         cfg_layout_merge_blocks): Likewise.
3747         * ifcvt.c (cond_exec_process_insns, merge_if_block,
3748         find_if_block): Likewise.
3749         * integrate.c (allocate_initial_values): Likewise.
3750         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
3751         swap_condition, unsigned_condition, signed_condition,
3752         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
3753         reg_or_subregno): Likewise.
3754         * lambda-code.c (lambda_compute_auxillary_space,
3755         lambda_transform_legal_p): Likewise.
3756         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
3757         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
3758         lhd_incomplete_type_error, lhd_expand_expr,
3759         lhd_types_compatible_p, lhd_tree_size): Likewise.
3760         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
3761         * local-alloc.c (update_equiv_regs): Likewise.
3762         * loop-unroll.c (peel_loop_completely
3763         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3764         peel_loop_simple, unroll_loop_stupid,
3765         analyze_iv_to_split_insn): Likewise.
3766         * loop.c (gen_prefetch, find_and_verify_loops,
3767         basic_induction_var): Likewise.
3768         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
3769         * value-prof.c (tree_find_values_to_profile): Likewise.
3770         * varasm.c (named_section, default_assemble_integer,
3771         decode_addr_const): Likewise.
3772
3773 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
3774            Fariborz Jahanian <fjahanian@apple.com>
3775
3776         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
3777         portion of argument passed in fpr.
3778         * expr.c (emit_push_insn): Fix computation of 'offset' used to
3779         decide on partial argument save on stack.
3780
3781 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
3782
3783         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
3784         comment typos.
3785
3786 2005-04-21  Jan Hubicka  <jh@suse.cz>
3787
3788         * cgraphunit.c: Include tree-pass.h
3789         (cgraph_decide_recursive_inlining,
3790         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
3791         cgraph_decide_inlining): Dump goes to dump_file.
3792         (cgraph_optimize): Call ipa passes instead of inliner.
3793         (cgraph_gate_inlining, pass_ipa_inline): New.
3794         * tree-optimize.c (all_ipa_passes): New static variable.
3795         (register_one_dump_file): Dead with IPA passes.
3796         (register_dump_files): Likewise.
3797         (init_tree_optimization_passes): Initialize IPA passes.
3798         (execute_todo): Do cgraph dump when asked to, do not dump function body
3799         for IPA pass.
3800         * tree-pass.h (TODO_dump_cgraph): New macro.
3801         (ipa_passes): Declare.
3802         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
3803
3804 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3805
3806         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
3807         gcc_assert instead of abort.
3808         (classify_argument, examine_argument, construct_container,
3809         contains_128bit_aligned_vector_p, ix86_check_movabs,
3810         standard_80387_constant_opcode, standard_80387_constant_rtx,
3811         ix86_initial_elimination_offset, ix86_compute_frame_layout,
3812         pro_epilogue_adjust_stack, ix86_expand_epilogue,
3813         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
3814         legitimize_tls_address, output_pic_addr_const,
3815         i386_output_dwarf_dtprel, put_condition_code, print_reg,
3816         get_some_local_dynamic_name, print_operand, print_operand_address,
3817         output_387_binary_op, emit_i387_cw_initialization,
3818         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
3819         ix86_expand_clear, ix86_expand_binary_operator,
3820         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
3821         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
3822         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
3823         ix86_expand_branch, ix86_expand_setcc,
3824         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
3825         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
3826         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
3827         memory_address_length, ix86_attr_length_immediate_default,
3828         ix86_attr_length_address_default, ix86_agi_dependant,
3829         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
3830         ix86_expand_binop_builtin, ix86_force_to_memory,
3831         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
3832         x86_emit_floatuns): Likewise.
3833         * config/i386/netware.c (gen_regparm_prefix,
3834         i386_nlm_strip_name_encoding): Likewise.
3835         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
3836
3837 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3838
3839         * optabs.c (gen_condiational_trap): Remove #define.
3840         (add_equal_note): Assertify. Remove explicit indirection from
3841         call via function pointer.
3842         (expand_ternary_op, expand_simple_binop, expand_binop,
3843         expand_twoval_unop, expand_twoval_binop,
3844         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
3845         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
3846         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
3847         prepare_float_lib_cmp, emit_conditional_move,
3848         emit_conditional_add, gen_add2_insn, gen_add3_insn,
3849         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
3850         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
3851         vector_compare_rtx, expand_vec_cond_expr): Likewise.
3852
3853 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3854
3855         * vec.h: Update API to separate allocation mechanism from type.
3856         (VEC_safe_grow): New.
3857         * vec.c (calculate_allocation): New.
3858         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
3859         (vec_gc_free, vec_heap_free): Remove.
3860         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
3861         (VEC): Likewise.
3862         (mangle_macro_name): New.
3863         (struct macro_def): New.
3864         (struct macro): Add multiple argument values.
3865         (macro_expans_end): New.
3866         (push_macro_expansion):  Chain on new macro. Process multiple
3867         args, create follow on expansion. Return follow on argument.
3868         (macro_input): Deal with multiple arguments.
3869         
3870         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
3871         (struct tree_binfo): Adjust.
3872         * basic-block.h: Define VEC(edge,gc).
3873         (struct edge_def): Adjust.
3874         (struct basic_block_def, struct edge_iterator): Likewise.
3875         (ei_container, ei_start_1, ei_last_1): Likewise.
3876         * cfg.c (connect_src, connect_dest): Likewise.
3877         * cfgrtl.c (force_nonfallthru_and_redirect)
3878         * dbxout.c (dbxout_type)
3879         * dwarf2out.c (gen_member_die)
3880         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
3881         (gcc_tree_to_linear_expression): Adjust.
3882         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
3883         lbv_to_gcc_expression, lle_to_gcc_expression,
3884         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
3885         perfect_nestify): Likewise.
3886         * lambda.h (gcc_loopnest_to_lambda_loopnest,
3887         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
3888         * profile.c (instrument_values): Adjust.
3889         * tree-cfg.c (modified_noreturn_calls): Adjust.
3890         (remove_fallthru_edge): Likewise.
3891         * tree-dump.c (dequeue_and_dump): Adjust.
3892         * tree-flow-inline.h (mark_stmt_modified): Adjust.
3893         * tree-flow.h (modified_noreturn_calls): Adjust.
3894         (tree_on_heap): Remove. (yay!)
3895         (register_new_def): Adjust.
3896         * tree-into-ssa.c: Define VEC(int,heap).
3897         (block_defs_stack): Adjust.
3898         (find_idf, insert_phi_nodes, register_new_def,
3899         rewrite_initialize_block, rewrite_finalize_block,
3900         register_new_update_single, rewrite_update_init_block,
3901         rewrite_update_fini_block, rewrite_blocks,
3902         ssa_rewrite_finalize_block, ssa_register_new_def,
3903         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
3904         * tree-loop-linear.c (linear_transform_loops): Adjust.
3905         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
3906         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
3907         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
3908         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
3909         vrp_variables_stack): Adjust declarations.
3910         (tree_ssa_dominator_optimize): Adjust.
3911         (dom_opt_initialize_block, remove_local_expressions_from_table,
3912         restore_nonzero_vars_to_original_value,
3913         restore_vars_to_original_value,
3914         restore_currdefs_to_original_value, dom_opt_finalize_block,
3915         record_var_is_nonzero, record_cond, record_const_or_copy_1,
3916         optimize_stmt, update_rhs_and_lookup_avail_expr,
3917         lookup_avail_expr, record_range): Likewise.
3918         * tree-ssa-pre.c: Define VEC(basic_block,heap).
3919         (compute_antic_aux): Adjust.
3920         (inserted_exprs, create_expression_by_pieces, 
3921         insert_into_preds_of_block, eliminate, mark_operand_necessary, 
3922         remove_dead_inserted_code, fini_pre): Likewise.
3923         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
3924         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist. 
3925         ssa_prop_init): Likewise.
3926         * tree-ssa.c: Define VEC(bitmap,heap).
3927         (verify_name_tags): Adjust.
3928         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
3929         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
3930         tree_divmod_values_to_profile, tree_find_values_to_profile,
3931         value_profile_transformations): Likewise.
3932         * value-prof.h: Define VEC(histogram_value,heap).
3933         * varasm.c: Remove alias_pair pointer typedef, define
3934         VEC(alias_pair,gc).
3935         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
3936         
3937         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
3938         not a pointer to it.  Create an object vector.
3939         (extern_symbols): Turn into an object vector.
3940         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
3941
3942 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
3943
3944         PR/20742
3945         * Makefile.in (tree-chrec.o): Depend on params.h.
3946         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
3947         default value 20.
3948         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
3949         and fold build with fold_buildN.
3950         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
3951         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3952         (tree_contains_chrecs): Compute an estimation of the size of the
3953         given expression.
3954         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
3955         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
3956         * tree-scalar-evolution.c (simple_iv): Ditto.
3957         * doc/invoke.texi (scev-max-expr-size): Documented.
3958
3959 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
3960
3961         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
3962         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
3963         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
3964         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
3965         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
3966         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
3967         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
3968         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
3969         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
3970         (darwin_fix_and_continue_switch): Delete.
3971         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
3972         (SUBTARGET_SWITCHES): Delete.
3973         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
3974         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
3975         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
3976         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
3977         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
3978         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
3979         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
3980         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
3981         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
3982         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
3983         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
3984         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
3985         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
3986         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
3987         (TARGET_64BIT): Undef before redefining.
3988         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
3989         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
3990         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
3991         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
3992         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
3993         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
3994         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
3995         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
3996         (ix86_debug_arg_string, ix86_debug_addr_string)
3997         (ix86_align_loops_string, ix86_align_jumps_string)
3998         (ix86_align_funcs_string): Delete.
3999         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
4000         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
4001         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
4002         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
4003         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
4004         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
4005         (SUBTARGET_SWITCHES): Delete.
4006         * config/i386/i386.c (ix86_debug_arg_string): Delete.
4007         (ix86_debug_addr_string): Delete.
4008         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
4009         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
4010         (ix86_align_loops_string, ix86_align_jumps_string)
4011         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
4012         (ix86_align_funcs_string): Make static.
4013         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4014         (ix86_handle_option): New function.
4015         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
4016         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
4017         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
4018         of darwin_fix_and_continue_switch.
4019         (darwin_one_byte_bool): Delete.
4020         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
4021         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
4022         to darwin_one_byte_bool.
4023         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
4024         * config/i386/djgpp.opt, config/i386/i386.opt,
4025         * config/i386/sco5.opt: New files.
4026
4027 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4028
4029         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
4030         fp_zero_operand, fp_register_operand, intreg_operand,
4031         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
4032         call_operand, call_operand_address, tgd_symbolic_operand,
4033         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
4034         symbolic_operand, symbolic_memory_operand, label_ref_operand,
4035         sp64_medium_pic_operand, data_segment_operand,
4036         text_segment_operand, splittable_symbolic_memory_operand,
4037         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
4038         eq_or_neq, normal_comp_operator, noov_compare_op,
4039         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
4040         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
4041         const64_operand, const64_high_operand, arith11_operand,
4042         arith10_operand, arith_double_operand, arith_double_4096_operand,
4043         arith_double_add_operand, arith11_double_operand,
4044         arith10_double_operand, small_int, small_int_or_double,
4045         uns_small_int, uns_arith_operand, clobbered_register,
4046         input_operand, compare_operand): Delete.
4047         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
4048         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
4049         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
4050         (GEN_HIGHINT64, GEN_INT64): Delete.
4051         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4052         gen_safe_XOR64): Adjust for above deletion.
4053         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
4054         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
4055         (legitimate_constant_p): Use const_zero_operand instead.
4056         (sparc_extra_constraint_check): Likewise.
4057         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
4058         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
4059         (PREDICATE_CODES): Delete.
4060         * config/sparc/sparc.md: Include predicates.md.
4061         (All patterns): Adjust for new predicate names.
4062         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
4063         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
4064         (movdi): Use general_operand predicate.
4065         (movdi_sp64_dbl): Delete.
4066         (movdi_const64_special): Add 'N' constraint.
4067         (movdicc): Use arith10_operand predicate.
4068         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
4069         (movdi_cc_reg_sp64): Use arith10_operand predicate.
4070         (movdi_cc_reg_sp64_trunc): Delete.
4071         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
4072         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
4073         (subdi3_sp32): Delete.
4074         (subdi3_insn_sp32): Change to define_insn_and_split.
4075         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
4076         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
4077         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
4078         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
4079         small_int_operand predicate.
4080         (divdi3, udivdi3): Use arith_operand predicate.
4081         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
4082         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
4083         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
4084         (xordi3_sp64_dbl): Delete.
4085         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
4086         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
4087         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
4088         cmp_ccx_set_not): Use arith_operand predicate.
4089         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
4090         * config/sparc/predicates.md: New file.
4091
4092 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
4093
4094         PR tree-optimization/14846
4095         * fold-const.c (fold_single_bit_test_into_sign_test): New,
4096         split out from ...
4097         (fold_single_bit_test): ... here.
4098         (fold_binary): Call fold_single_bit_test_into_sign_test
4099         instead of fold_single_bit_test.
4100
4101 2005-04-20  James E Wilson  <wilson@specifixinc.com>
4102
4103         PR c++/20805
4104         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
4105         is another declaration.
4106
4107 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
4108
4109         * config/cris/predicates.md: New file.
4110         * config/cris/cris-protos.h (cris_store_multiple_op_p)
4111         (cris_movem_load_rest_p): Declare.
4112         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
4113         (cris_movem_load_rest_p): Ditto.  Globalize.
4114         (cris_bdap_operand, cris_bdap_biap_operand,
4115         cris_orthogonal_operator, cris_commutative_orth_op,
4116         cris_operand_extend_operator,
4117         cris_additive_operand_extend_operator, cris_extend_operator,
4118         cris_plus_or_bound_operator, cris_mem_op,
4119         cris_general_operand_or_symbol,
4120         cris_general_operand_or_gotless_symbol,
4121         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
4122         cris_load_multiple_op): Remove predicate functions.
4123         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
4124         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
4125         * config/cris/cris.h (PREDICATE_CODES): Don't define.
4126         * config/cris/cris.md: Include predicates.md.
4127         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
4128
4129 2005-04-20  Ian Lance Taylor  <ian@airs.com>
4130
4131         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
4132         * c-common.h (STMT_EXPR_STMT): Don't define.
4133         (STMT_EXPR_NO_SCOPE): Don't define.
4134         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
4135         * c-pretty-print.c (pp_c_primary_expression): Likewise.
4136         (pp_c_expression): Likewise.
4137
4138 2005-04-20  Richard Henderson  <rth@redhat.com>
4139
4140         PR target/21100
4141         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
4142
4143 2005-04-20  Jeff Law  <law@redhat.com>
4144
4145         * reload1.c (reload): Ignore equivalences between pseudos and
4146         read only memory.
4147
4148 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
4149
4150         PR c/12913
4151         * c-tree.h (struct c_label_list): Update comment.
4152         (struct c_label_context): Rename to struct c_label_context_se.
4153         (label_context_stack): Rename to label_context_stack_se.
4154         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
4155         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
4156         c_end_vm_scope): New.
4157         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
4158         * c-decl.c (pop_scope): Call c_end_vm_scope.
4159         (pushdecl): Call c_begin_vm_scope for variably modified
4160         declarations.
4161         (define_label): Check for jumping into scope of identifier with
4162         variably modified type.  Push label on stack for those defined at
4163         current context of identifiers with variably modified type.
4164         (start_function): Create stack level for context of identifiers
4165         with variably modified type.
4166         (finish_function): Pop stack level for context of identifiers with
4167         variably modified type.
4168         * c-typeck.c (label_context_stack): Rename to
4169         label_context_stack_se.
4170         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
4171         (c_finish_goto_label): Check for jumping into scope of identifier
4172         with variably modified type.  Push label on stack for those jumped
4173         to from current context of identifiers with variably modified
4174         type.
4175         (struct c_switch): Add blocked_vm.
4176         (c_start_case): Initialize blocked_vm.
4177         (do_case): Check blocked_vm.
4178         (c_finish_case): Add comment.
4179         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
4180         variable label_context_stack.
4181
4182 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
4183
4184         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
4185         conditional_replacement, value_replacement, abs_replacement,
4186         minmax_replacement.
4187         (replace_phi_edge_with_variable): Remove argument BB.
4188         (conditional_replacement, value_replacement,
4189         minmax_replacement, abs_replacement): Remove argument PHI_BB.
4190         Update a call to replace_phi_edge_with_variable.
4191
4192         * tree-ssa-phiopt.c: Fix comments.
4193
4194 2005-04-20  Michael Matz  <matz@suse.de>
4195
4196         PR20973
4197         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
4198         pseudos.
4199
4200 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
4201
4202         * tree-ssa-phiopt.c: Fix comment typos.
4203
4204         PR tree-optimization/21116
4205         * tree-ssa-phiopt.c: Fix a typo.
4206
4207 2005-04-19  Richard Henderson  <rth@redhat.com>
4208
4209         * builtins.c (expand_builtin_sync_operation): Revert last change.
4210         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
4211         not vs new value.
4212         (expand_compare_and_swap_loop): Likewise.
4213         (expand_sync_operation): Remove fallback from NAND to AND; invert
4214         memory operand when expanding from cmpxchg.
4215         (expand_sync_fetch_operation): Likewise.
4216         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
4217         compare-and-swap.
4218
4219         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
4220         when implementing NAND.  Fix double-add for AFTER.
4221         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
4222         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
4223         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
4224         memory value.
4225         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
4226         memory barrier.
4227
4228         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
4229         to return old memory value.
4230         (sync_compare_and_swap_cc<IMODE>): Likewise.
4231
4232         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
4233         return pre-reload.  Don't consider output or anti dependencies.
4234         * config/ia64/sync.md (IMODE): New.
4235         (modesuffix): Add QI and HI.
4236         (memory_barrier): Simplify expansion.
4237         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
4238         (cmpxchg_acq_<IMODE>): Likewise.
4239         (sync_lock_test_and_set<IMODE>): Likewise.
4240         (sync_lock_release<IMODE>): Likewise.
4241
4242 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
4243
4244         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
4245         ~X or ~Y simplify.
4246
4247 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
4248
4249         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
4250
4251 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
4252             Joseph S. Myers  <joseph@codesourcery.com>
4253
4254         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
4255         * c-typeck.c (build_c_cast): Check these options.
4256         * doc/invoke.texi: Document these options.
4257
4258 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
4259
4260         * tree-ssa-phiopt.c: Update a comment about the pass.
4261
4262 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
4263
4264         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
4265         config/mcore/mcore.c: Fix comment typos.
4266
4267 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
4268
4269         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
4270         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
4271
4272 2005-04-19  Paul Brook  <paul@codesourcery.com>
4273
4274         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
4275
4276 2005-04-19  Andrew Haley  <aph@redhat.com>
4277
4278         PR java/21022
4279         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
4280         looking at a field's bitpos.
4281
4282 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4283
4284         * system.h (fopen, fdopen, freopen): Define these to the unlocked
4285         libiberty functions.
4286
4287 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
4288
4289         PR tree-optimization/21096
4290         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
4291
4292 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
4293
4294         PR target/21098
4295         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
4296         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
4297
4298 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
4299
4300         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
4301         refers to the function being dumped.
4302
4303 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
4304
4305         * varasm.c (assemble_start_function): Remove reset of in_section.
4306
4307 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
4308
4309         PR tree-optimization/21085
4310         * fold-const (fold_binary): Don't change X % -C to X % C if C has
4311         overflowed.
4312
4313 2005-04-19  Ben Elliston  <bje@au.ibm.com>
4314
4315         * doc/invoke.texi (Optimize Options): Refer to the correct
4316         optimisation flag -ftree-dominator-opts, not -ftree-dom.
4317
4318 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
4319
4320         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
4321         alloca argument to be big enough.
4322
4323 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
4324
4325         PR middle-end/21049
4326         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
4327         cfun->cfg are NULL.
4328
4329 2005-04-18  Tom Tromey  <tromey@redhat.com>
4330
4331         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
4332         typo.
4333
4334 2005-04-18  Richard Henderson  <rth@redhat.com>
4335
4336         * config/alpha/alpha.c (alpha_split_atomic_op): New.
4337         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
4338         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
4339         * config/alpha/alpha-protos.h: Update.
4340         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
4341         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
4342         (attr type): Add ld_l, st_c, mb.
4343         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
4344         iornotsi3, xorsi_internal, xornotsi3): New.
4345         * config/alpha/ev4.md (ev4_ld): Add ld_l.
4346         (ev4_ist_c, ev4_mb): New.
4347         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
4348         (ev5_ld_l): New.
4349         * config/alpha/ev6.md (ev6_ild): Add ld_l.
4350         (ev6_ist): Add st_c.
4351         (ev6_mb): New.
4352         * config/alpha/sync.md: New file.
4353
4354 2005-04-18  Richard Henderson  <rth@redhat.com>
4355
4356         * builtins.c (expand_builtin_sync_operation): Fold nand to and
4357         for constants.
4358
4359         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
4360
4361 2005-04-18  Devang Patel  <dpatel@apple.com>
4362
4363         * config/rs6000/atlivec.md (mulv4si3): New pattern.
4364         
4365 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
4366
4367         PR tree-optimization/20922
4368         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
4369         Fold X + c >= X and fold X - c <= X to true.
4370
4371 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
4372
4373         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
4374         unsigned int.
4375         (emergency_labeled_state_free): Likewise.
4376
4377 2005-04-18  Nick Clifton  <nickc@redhat.com>
4378
4379         * config/h8300/h8300.md (jump): Remove prescan parameter from
4380         calls to final_scan_insn.
4381
4382         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
4383         parameter from calls to final_scan_insn.
4384
4385         * config.gcc (m68hc12): Use the m68hc11.opt file for target
4386         specific options.
4387         (v850e, v850e1): Use the v850.opt file for target specific
4388         options.
4389
4390 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
4391
4392         PR tree-optimization/21001
4393         * tree-optimize.c (init_tree_optimization_passes): Move the
4394         first pass_forwprop immediately before pass_vrp.
4395
4396 2005-04-17  Ian Lance Taylor  <ian@airs.com>
4397
4398         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
4399         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
4400         from enum tree_code op to bool is_sizeof.
4401         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
4402         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
4403         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
4404         case.
4405         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
4406         cases.
4407         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
4408         ALIGNOF_EXPR cases.
4409
4410 2005-04-17  Ian Lance Taylor  <ian@airs.com>
4411
4412         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
4413
4414 2005-04-17  Richard Henderson  <rth@redhat.com>
4415
4416         * config/alpha/alpha.c (va_list_skip_additions): Only define if
4417         TARGET_ABI_OSF.
4418         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
4419         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
4420         of indirection through ssa names while looking for the gpr counter
4421         field.
4422         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
4423         saved va_list_gpr_size and va_list_fpr_size.
4424
4425 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
4426
4427         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
4428         both pointers or both integers.
4429
4430         * tree-vrp.c (maybe_add_assert_expr): Don't assert
4431         ASSERT_EXPRs for single-use variable.
4432
4433         * tree-into-ssa.c: Fix a comment typo.
4434
4435 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
4436
4437         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
4438         -mipsN before forcing a default of -mips2.
4439
4440 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
4441
4442         * predict.h (IS_TAKEN): Remove.
4443         * rtl.h (NOTE_PREDICTION): Likewise.
4444
4445         * modulo-sched.c (CFG_HOOKS): Remove.
4446
4447         * c-parser.c (N_C_TTYPES): Remove.
4448
4449         * tree-flow-inline.h (get_stmt_operands): Remove.
4450         * lambda-code.c, tree-ssa-loop-unswitch.c,
4451         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
4452         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
4453         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
4454         calls to get_stmt_operands.
4455         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
4456
4457 2005-04-17  Richard Henderson  <rth@redhat.com>
4458
4459         PR target/20375
4460         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
4461         of CUMULATIVE_ARGS past the last named argument.
4462         (alpha_va_start): Expect pretend_args_size only if strictly less than
4463         6 named arguments.
4464
4465 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
4466
4467         PR middle-end/21024
4468         * builtins.c (expand_builtin_strcat): Convert the result of
4469         strlen to the right type.
4470         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
4471         avoid creating type mismatches.
4472         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
4473         type mismatches.
4474
4475         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
4476
4477 2005-04-16  Richard Henderson  <rth@redhat.com>
4478
4479         PR target/21051
4480         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
4481         Use the mode of boolean_type_node when the user doesn't provide one.
4482         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
4483
4484 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
4485
4486         PR target/20126
4487         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
4488         (const)).
4489
4490         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
4491         comment.
4492
4493 2005-04-16  Roger Sayle  <roger@eyesopen.com>
4494             Steven Bosscher  <stevenb@suse.de>
4495
4496         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
4497         (fold_unary_to_constant): Likewise.
4498
4499 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
4500
4501         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
4502         PROP_ASM_SCAN.
4503
4504 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
4505
4506         * doc/install.texi (Specific): Avoid using asterisks in @anchor
4507         names related to target triplets.
4508         Remove i?86-*-esix from platform directory.
4509         Remove powerpc-*-eabiaix from platform directory.
4510
4511 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
4512
4513         PR middle-end/20491
4514         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
4515         falling through from SUBREG case to REG.
4516
4517 2005-04-15  Roger Sayle  <roger@eyesopen.com>
4518
4519         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
4520         (fold_binary): Update comment mentioning fold_relational_hi_lo.
4521         (fold_binary_to_constant): Simplify using fold_binary.
4522         (fold_unary_to_constant): Likewise, simplify using fold_unary.
4523
4524 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4525
4526         * gthr-posix.c (pthread_cancel): Define.
4527         (pthread_mutexattr_init): Likewise.
4528         (pthread_mutexattr_settype): Likewise.
4529         (pthread_mutexattr_destroy): Likewise.
4530
4531 2005-04-15  David S. Miller  <davem@davemloft.net>
4532
4533         PR target/20673
4534         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
4535
4536 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4537
4538         PR tree-optimization/21031
4539         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
4540         (forward_propagate_into_cond_1): Call it.  Forward propagate
4541         integer-integer casts into COND_EXPRs.
4542
4543 2005-04-15  Dave Korn  <dave.korn@artimi.com>
4544
4545         * gcc.c (default_compilers): Clarify obscure error message when
4546         reading from standard input.
4547
4548 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4549
4550         * basic-block.h (PROP_EQUAL_NOTES): Remove.
4551         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
4552
4553         * tree-ssa-alias.c (init_alias_info): Remove a call to
4554         get_stmt_operands.
4555
4556 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
4557
4558         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
4559         of non-virtual PHI nodes like we use to.
4560
4561 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
4562
4563         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
4564         (attr_copy_rtx): Do not use it.
4565
4566 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
4567
4568         * doc/tree-ssa.texi: Grammer/abbreviation updates.
4569
4570 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
4571
4572         * tree-vect-transform.c (vectorizable_store): Mark necessary
4573         objects in the vectorized store needing renaming.  Update the
4574         SSA graph for V_MAY_DEF operands in the original store.
4575
4576 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
4577
4578         * tree-ssa-pre.c (compute_avail): It's okay to have
4579         TREE_INVARIANT's here, and value number the resulting expressions.
4580         (create_expression_by_pieces): Make sure operands that were
4581         min_invariant when we started, stay that way.
4582
4583 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
4584
4585         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
4586
4587 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4588
4589         PR tree-optimization/20936.
4590         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
4591
4592 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4593
4594         * doc/invoke.texi: Fix typos.
4595         * doc/md.texi: Likewise.
4596         * doc/rtl.texi: Likewise.
4597         * doc/sourcebuild.texi: Likewise.
4598         * doc/tm.texi: Likewise.
4599
4600 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
4601
4602         PR tree-optimization/21004
4603         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
4604         and floorl in c99 mode only.
4605         * builtins.c (expand_builtin_int_roundingfn): Assert that
4606         fallback_fndecl is not NULL_TREE.
4607
4608 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4609
4610         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
4611         * basic-block.h: Update the prototype for
4612         purge_all_dead_edges.
4613         * cfgexpand.c (tree_expand_cfg): Update a call to
4614         purge_all_dead_edges.
4615         * combine.c (combine_instructions): Likewise.
4616         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
4617         rest_of_handle_cse2, rest_of_handle_gcse,
4618         rest_of_handle_postreload): likewise.
4619
4620 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
4621
4622         PR middle-end/20739
4623         * gimplify.c (gimplify_addr_expr): Compensate for removal of
4624         e.g. cv-qualification conversions.
4625
4626 2005-04-14  Mike Stump  <mrs@apple.com>
4627
4628         * config/darwin-c.c (framework_construct_pathname): We must
4629         find all headers of a framework in the first instance of it
4630         found in the seach path.
4631
4632 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
4633
4634         PR tree-optimization/21021
4635         * tree-vrp.c (compare_values): Work around a bug in the front
4636         end that produces a comparison of mismatched types.
4637
4638 2004-04-14  Richard Henderson  <rth@redhat.com>
4639
4640         * config/ia64/ia64.h (enum fetchop_code): Remove.
4641         (enum ia64_builtins): Move ...
4642         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
4643         members except BSP and FLUSHRS.
4644         (ia64_init_builtins): Remove __sync builtins.
4645         (ia64_expand_builtin): Likewise.
4646         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
4647         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
4648         (ia64_expand_lock_release): Remove.
4649         * config/ia64/ia64.md (mf): Move to sync.md.
4650         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
4651         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
4652         * config/ia64/sync.md: New file.
4653         (memory_barrier): Rename from mf.
4654         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
4655         (cmpxchg_acq_<I48MODE>): Likewise.
4656         (sync_lock_test_and_set<I48MODE>): Likewise.
4657
4658         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
4659         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
4660
4661 2004-04-14  Richard Henderson  <rth@redhat.com>
4662
4663         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
4664         (ix86_compare_emitted): New.
4665         (ix86_expand_compare): Use ix86_compare_emitted if set.
4666         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
4667         and ix86_compare_op0 are set.
4668         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
4669         (TARGET_CMPXCHG, TARGET_XADD): New.
4670         (ix86_compare_emitted): Declare.
4671         * config/i386/i386.md: Include sync.md
4672         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
4673         (UNSPECV_XCHG, UNSPECV_LOCK): New.
4674         * config/i386/sync.md: New file.
4675
4676 2004-04-14  Richard Henderson  <rth@redhat.com>
4677
4678         PR middle-end/14311
4679         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
4680         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
4681         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
4682         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
4683         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
4684         BT_FN_I8_VPTR_I8_I8): New.
4685         * builtins.def (DEF_SYNC_BUILTIN): New.
4686         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
4687         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
4688         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
4689         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
4690         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
4691         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
4692         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
4693         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
4694         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
4695         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
4696         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
4697         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
4698         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
4699         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
4700         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
4701         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
4702         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
4703         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
4704         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
4705         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
4706         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
4707         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
4708         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
4709         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
4710         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
4711         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
4712         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
4713         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
4714         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
4715         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
4716         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
4717         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
4718         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
4719         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
4720         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
4721         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
4722         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
4723         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
4724         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
4725         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
4726         BUILT_IN_SYNCHRONIZE: New.
4727         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
4728         as a function.  Accept __sync_ as a prefix as well.
4729         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4730         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
4731         expand_builtin_lock_release): New.
4732         (expand_builtin): Call them.
4733         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
4734         neither BOTH_P nor FALLBACK_P are defined.
4735         (builtin_type_for_size): New.
4736         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
4737         (resolve_overloaded_builtin): New.
4738         * c-common.h (resolve_overloaded_builtin): Declare.
4739         (builtin_type_for_size): Declare.
4740         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
4741         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
4742         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
4743         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
4744         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
4745         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
4746         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
4747         sync_compare_and_swap_cc, sync_lock_test_and_set,
4748         sync_lock_release): New.
4749         * optabs.h: Declare them.
4750         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
4751         expand_sync_operation, expand_sync_fetch_operation,
4752         expand_sync_lock_test_and_set): Declare.
4753         * genopinit.c (optabs): Add sync optabs.
4754         * optabs.c (init_optabs): Initialize sync optabs.
4755         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
4756         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
4757         expand_sync_operation, expand_sync_fetch_operation,
4758         expand_sync_lock_test_and_set): New.
4759         * doc/extend.texi (Atomic Builtins): New section
4760         * doc/md.texi (Standard Names): Add sync patterns.
4761
4762 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
4763
4764         * tree-eh.c (lower_try_finally_copy): Generate new code in
4765         response to goto_queue entries as if the queue was sorted by
4766         index, not pointers.
4767         (lower_try_finally_switch): Likewise.
4768
4769 2005-04-14  Richard Henderson  <rth@redhat.com>
4770
4771         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
4772         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
4773         register.
4774         (ix86_expand_fp_movcc): Update to match.
4775         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
4776         * config/i386/i386-protos.h: Update.
4777         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
4778         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
4779
4780 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
4781
4782         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
4783         refer to 4.0.
4784
4785 2005-04-14  Julian Brown  <julian@codesourcery.com>
4786
4787         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
4788         link failures on ppc64 Linux.
4789
4790 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
4791
4792         * config.gcc: Set cpu_type for s390.
4793
4794 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
4795
4796         Fix PR tree-optimization/20963
4797         * tree-ssa-pre.c (compute_avail): Remove special case for
4798         TREE_INVARIANT.
4799         (create_expression_by_pieces): Add value numbers for forced out
4800         statements.
4801
4802 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
4803
4804         * config/cris/cris.md: Replace references to (reg:SI 16) with
4805         (reg:SI CRIS_SRP_REGNUM).
4806
4807 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
4808
4809         PR tree-optimization/20657
4810         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
4811         create an appropriate range from it.
4812
4813 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
4814
4815         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
4816         <UNSPEC_FIST_CEIL> case.
4817
4818         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
4819         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
4820         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
4821         to implement lfloor and llfloor built-ins as x87 intrinsic function.
4822         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
4823         (lfloor<mode>2): New expanders.
4824         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
4825         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
4826         to implement lceil and llceil built-ins as x87 intrinsic function.
4827         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
4828         (lceil<mode>2): New expanders.
4829
4830 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
4831
4832         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
4833         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
4834
4835 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
4836
4837         PR target/20927
4838         * config/s390/s390-modes.def: Define TFmode.
4839
4840 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
4841
4842         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
4843         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4844         * config/mips/mips.c (mips16_insn_length): Remove reference to
4845         JUMP_TABLES_IN_TEXT_SECTION.
4846
4847 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
4848
4849         * simplify-rtx.c (simplify_binary_operation_1): Return
4850         scalar or vector of constant 0, depending on the xor's
4851         mode.
4852
4853 2005-04-13  Dale Johannesen  <dalej@apple.com>
4854
4855         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
4856         (objc-act.o):  Ditto.
4857         * objc/objc-act.c (objc_gimplify_expr):  New.
4858         (objc_get_callee_fndecl):  New.
4859         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
4860         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
4861         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
4862
4863 2005-04-13  Devang Patel  <dpatel@apple.com>
4864
4865         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
4866         temp variables.
4867
4868 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
4869
4870         CRIS prologue as RTL.
4871         * config/cris/cris-protos.h (cris_emit_movem_store)
4872         (cris_expand_prologue): Prototype.
4873         * config/cris/cris.c (struct machine_function): New member
4874         stdarg_regs.
4875         (cfa_label_num, cris_target_asm_function_prologue): Remove.
4876         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
4877         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
4878         (cris_load_multiple_op, cris_return_address_on_stack)
4879         (cris_return_address_on_stack_for_return): ISO-Cify.
4880         (cris_store_multiple_op): New predicate function.
4881         (cris_expand_prologue, cris_emit_movem_store): New functions.
4882         (cris_print_operand) <case 'O'>: Handle modifications other than
4883         post-increment.
4884         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
4885         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
4886         (cris_gen_movem_load): Rearrange slightly to make local variable
4887         src a parameter, removing osrc.
4888         (cris_setup_incoming_varargs): Set machine_function member
4889         stdarg_regs to correspond to the number of registers that need to
4890         be saved.
4891         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
4892         CRIS_UNSPEC_GOT.
4893         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
4894         cris_general_operand_or_gotless_symbol accept UNSPEC.
4895         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
4896         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
4897         ("*cris_store_multiple"): New pattern.  Tweak common comment above
4898         this and "*cris_load_multiple".
4899         ("prologue"): New define_expand.
4900
4901         * config/cris/cris.md ("epilogue"): Conditionalize on
4902         TARGET_PROLOGUE_EPILOGUE.
4903
4904 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
4905
4906         PR target/20924
4907         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
4908         fpsr 0 instead of fpsr 1.
4909         (divsf3_internal_thr): Ditto.
4910         (divdf3_internal_lat): Ditto.
4911         (divdf3_internal_thr): Ditto.
4912         (divxf3_internal_lat): Ditto.
4913         (divxf3_internal_thr): Ditto.
4914
4915 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
4916
4917         PR tree-optimization/20913
4918         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
4919
4920         PR tree-optimization/20702
4921         * tree-vrp.c (maybe_add_assert_expr): Recurse into
4922         dominator children that haven't been walked into.
4923
4924 2005-04-13  Julian Brown  <julian@codesourcery.com>
4925
4926         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
4927         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
4928         is true.
4929
4930 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
4931
4932         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
4933         config/i386/sse.md: Fix comment typos.
4934
4935         * genattrtab.c (NULL_ATTR): Remove.
4936         * ifcvt.c (NULL_EDGE): Likewise.
4937
4938         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
4939
4940         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
4941         NOTE_PREDICT): Remove.
4942
4943 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4944
4945         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
4946         * configure: Regenerate.
4947         * config.in: Likewise.
4948         * system.h: Declare vsnprintf if not already declared.
4949
4950 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4951
4952         * optc-gen.awk: Handle stand-alone Mask records.
4953         * opth-gen.awk: Likewise.
4954         * doc/options.texi (Option file format): Document them.
4955         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
4956         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
4957         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
4958         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
4959         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
4960         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
4961         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
4962         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
4963         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
4964         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
4965         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
4966         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
4967         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
4968         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
4969         TARGET_LONG_DOUBLE_128): Likewise.
4970         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
4971         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
4972         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
4973         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
4974         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
4975         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
4976         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
4977         * config/sparc/sparc.c (fpu_option_set): New global.
4978         (sparc_handle_option): New function.
4979         (sparc_override_options): Test fpu_option_set.
4980         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
4981         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
4982         * config/sparc/sparc.opt: New file.
4983         * config/sparc/little-endian.opt: Likewise.
4984         * config/sparc/long-double-switch.opt: Likewise.
4985
4986 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
4987
4988         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
4989         (bfin_handle_options): Set it if -mshared-library-id= is seen.
4990         * config/bfin/bfin.opt (mshared-library-id=): Lose
4991         Var(bfin_lib_id_given).
4992
4993 2005-04-13  Matt Thomas  <matt@3am-software.com>
4994
4995         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
4996         defining.
4997
4998 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
4999
5000         * rtl.h (CLEAR_RTX_FLAGS): Remove.
5001
5002         * cgraphunit.c (INSNS_PER_CALL): Remove.
5003
5004         * tree-ssa-forwprop.c (vars,
5005         record_single_argument_cond_exprs,
5006         substitute_single_use_vars): Remove.
5007         (forward_propagate_into_cond_1, forward_propagate_into_cond):
5008         New.
5009         (tree_ssa_forward_propagate_single_use_vars): Call
5010         forward_propagate_into_cond for each COND_EXPR.
5011
5012         * tree-inline.c (INSNS_PER_STMT): Remove.
5013
5014 2005-04-12  Richard Henderson  <rth@redhat.com>
5015
5016         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
5017         (ix86_expand_sse_fp_minmax): ... from ...
5018         (ix86_expand_fp_movcc): ... here.
5019         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
5020         * config/i386/i386-protos.h: Update.
5021         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
5022         (sse_setccsf, sse_setccdf): Allow before reload.
5023         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
5024         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
5025         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
5026         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
5027         (anddf3, nanddf3, iordf3, xordf3): New.
5028
5029 2005-04-12  Jeff Law  <law@redhat.com>
5030
5031         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
5032         (tree-ssa-uncprop.o): Add dependencies.
5033         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
5034         * tree-flow.h (remove_useless_stmts): Remove prototype.
5035         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
5036         remove_useless_stmts.
5037         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
5038         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
5039         * tree-pass.h (pass_uncprop): Declare.
5040         * tree-ssa-uncprop.c: New file.
5041
5042 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
5043
5044         PR target/20670
5045         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
5046
5047 2005-04-12  Caroline Tice  <ctice@apple.com>
5048
5049         Temporary fix for partitioning problems.
5050         * passes.c (rest_of_handle_final): Remove code that
5051         frees unlikely_text_section_name,
5052         * varasm.c (assemble_start_function): Test for partitioning
5053         flag before writing out section labels.
5054         (assemble_end_function): Test for partitioning flag before
5055         writing out section labels.
5056
5057 2005-04-12  Steven Bosscher  <stevenb@suse.de>
5058             Stuart Hastings <stuart@apple.com>
5059             Jan Hubicka  <jh@suse.cz>
5060
5061         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
5062         references to gt-tree-cfg.h.
5063         * basic-block.h (struct basic_block_def): Don't skip rbi
5064         for garbage collection.
5065         (struct reorder_block_def): Make GTY-able.
5066         (struct control_flow_graph): New structure.
5067         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
5068         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
5069         but instead defines to the control_flow_graph for cfun.
5070         (label_to_block_map): New define, points to the label map of
5071         the control_flow_graph for cfun.
5072         (n_edges_for_function, n_basic_blocks_for_function,
5073         last_basic_block_for_function, basic_block_info_for_function,
5074         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
5075         basic_block_info_for_function, label_to_block_map_for_function):
5076         Counterparts for the above, taking a struct function as an extra
5077         argument.
5078         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
5079         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
5080         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
5081         (alloc_rbi_pool, free_rbi_pool): Remove.
5082         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
5083         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
5084         here...
5085         (cfg_layout_finalize) ... and don't free it here.
5086         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
5087         garbage collected.
5088         * flow.c (free_basic_block_vars): Set label_to_block_map and
5089         n_edges to zero too.
5090         * function.h (struct function): Add cfg field.
5091         * function.c (allocate_struct_function): Allocate the cfg.
5092         * tree-cfg.c (label_to_block_map): Remove.
5093         (build_tree_cfg): Don't allocate the rbi pool here...
5094         (delete_tree_cfg_annotations): ...and don't free it here.
5095         Also don't nullify label_to_block_map for cfun.
5096
5097 2005-04-12  Caroline Tice  <ctice@apple.com>
5098
5099         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
5100         Revert my patch from April 9.
5101         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
5102         (reorder_basic_blocks): Revert my patch from April 9.
5103         (insert_section_boundary_note): Revert my patch from April 9.
5104         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
5105         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
5106         (COLD_END_LABEL):  Revert my patch from April 9.
5107         (cold_text_section_label):  Revert my patch from April 9.
5108         (cold_end_label): Revert my patch from April 9.
5109         (dwarf2out_switch_text_section): Revert my patch from April 9.
5110         (output_aranges): Revert my patch from April 9.
5111         (output_ranges):  Revert my patch from April 9.
5112         (output_line_info): Revert my patch from April 9.
5113         (add_location_or_const_value_attribute):  Revert my patch from April 9.
5114         (dwarf2out_var_location): Revert my patch from April 9.
5115         (dwarf2out_init):  Revert my patch from April 9.
5116         (dwarf2out_finish): Revert my patch from April 9.
5117         * function.h (struct function): Revert my patch from April 9.
5118         * opts.c (decode_options): Revert my patch from April 9.
5119         * output.h (unlikely_section_label, hot_section_label,
5120         hot_section_end_label, cold_section_end_label,
5121         unlikely_text_section_name): Revert my patch from April 9.
5122         * passes.c (rest_of_handle_final): Revert my patch from April 9.
5123         * varasm.c (unlikely_section_label, hot_section_label,
5124         hot_section_end_label, cold_section_end_label,
5125         unlikely_text_section_name): Revert my patch from April 9.
5126         (initialize_cold_section_name): Revert my patch from April 9.
5127         (unlikely_text_section): Revert my patch from April 9.
5128         (in_unlikely_text_section): Revert my patch from April 9.
5129         (named_section): Revert my patch from April 9.
5130         (function_section): Revert my patch from April 9.
5131         (current_function_section): Revert my patch from April 9.
5132         (assemble_start_function): Revert my patch from April 9.
5133         (assemble_end_function): Revert my patch from April 9.
5134         (default_section_type_flags_1): Revert my patch from April 9.
5135
5136 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5137
5138         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
5139         * config/sparc/sparc.md (untyped_call): Save the registers manually.
5140
5141         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
5142
5143 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
5144
5145         PR middle-end/20917
5146         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
5147         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
5148
5149 2004-04-12  Richard Henderson  <rth@redhat.com>
5150
5151         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
5152         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
5153         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
5154         (UNSPEC_*, UNSPECV_*): Renumber.
5155
5156 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
5157
5158         PR mudflap/19266
5159         From Richard Henderson <rth@redhat.com>:
5160         * tree-mudflap.c (mf_build_check_statement_for): Correct block
5161         splitting logic.
5162
5163 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
5164
5165         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
5166
5167 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5168
5169         * config/bfin/bfin.c (bfin_library_id_string): Remove.
5170         (bfin_library_id): New variable.
5171         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
5172         instead of bfin_library_id_string.
5173         (bfin_handle_option): New function.
5174         (override_options): Remove most code to deal with shared library IDs,
5175         just check they aren't used without -mid-shared-library.
5176         (TARGET_HANDLE_OPTION): Define.
5177         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
5178         * config/bfin/bfin.opt (mshared-library-id=): New.
5179
5180 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
5181
5182         * tree-vect-transform.c: Fix comment typos.
5183
5184 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
5185
5186         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
5187         split critical edges when not possible/profitable.
5188
5189 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
5190
5191         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
5192         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
5193         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
5194         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
5195         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
5196         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
5197         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
5198         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
5199         MASK_NO_BITFIELD.
5200         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
5201         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5202         * config/ns32k/ns32k.opt: New file.
5203
5204 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
5205
5206         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
5207         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
5208         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
5209         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
5210         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
5211         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
5212         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
5213         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
5214         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
5215         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
5216         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
5217         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
5218         (MASK_COLDFIRE): Formatting fixes.
5219         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
5220         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
5221         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
5222         "_current_shared_library_a5_offset_".
5223         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5224         (MASK_ALL_CPU_BITS): New macro.
5225         (m68k_handle_option): New function.
5226         (override_options): Remove handling of m68k_library_id_string.
5227         * config/m68k/m68k.opt: New file.
5228         * config/m68k/ieee.opt: New file.
5229
5230 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
5231
5232         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
5233         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
5234         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
5235         (TARGET_CXX): Adjust accordingly.
5236         * target.h (struct gcc_target): Remove epxort_class_data.  Add
5237         determine_class_data_visibility and class_data_always_comdat.
5238         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
5239         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
5240         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
5241         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
5242         (arm_cxx_determine_class_data_visibility): New.
5243         (arm_cxx_class_data_always_comdat): Likewise.
5244         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
5245         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
5246         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
5247         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
5248         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
5249         Define.
5250
5251 2005-04-11  Devang Patel  <dpatel@apple.com>
5252
5253         * tree-data-ref.c (build_classic_dist_vector,
5254         compute_subscript_distance): Make externally visible.
5255         * tree-data-ref.h (build_classic_dist_vector,
5256         compute_subscript_distance): Same.
5257         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
5258         Check distance vector against vectorization factor.
5259         (vect_analyze_loop): Determine vectorizaion factor before
5260         analyzing data dependences.
5261         * tree-vectorizer.c (loops_num): Make it externally visible and
5262         rename ...
5263         * tree-vectorizer.c (vect_loops_num): ... new name.
5264         * tree-vectorizer.h  (vect_loops_num): New.
5265
5266 2005-04-11  Devang Patel  <dpatel@apple.com>
5267
5268         * tree-vect-analyze.c (vect_analyze_operations): Check
5269         vectorizable codition.
5270         * tree-vect-transform.c (vect_is_simple_cond): New function.
5271         (vectorizable_condition): New function.
5272         (vect_transform_stmt): Handle condition_vec_info_type.
5273         * tree-vectorizer.h (enum stmt_vec_info_type): Add
5274         condition_vec_info_type.
5275         (vectorizable_condition): New.
5276
5277 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
5278
5279         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
5280         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
5281         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
5282
5283         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
5284         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
5285
5286         * dwarf2out.c (output_line_info): Don't try to dereference
5287         a NULL current_function_decl.
5288
5289         * config/t-slibgcc-darwin: Don't put shared libraries in
5290         directories other than $(slibdir).
5291         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
5292         OS uses for it.
5293
5294 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
5295
5296         PR tree-optimization/20933
5297         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
5298         logic to reject aliases between read-only and writable
5299         variables ...
5300         (may_alias_p): ... here.
5301         (get_tmt_for): Do not associate read-only tags to pointers
5302         whose pointed-to type is not read-only.
5303         * tree-ssa.c (verify_ssa): Check that memory stores have at
5304         least one V_MAY_DEF or V_MUST_DEF.
5305
5306 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5307
5308         PR/17092
5309         * configure.ac (gcc_UNLOCKED_FUNCS): New.
5310         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
5311         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
5312         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
5313         _unlocked function.
5314         (fwrite_unlocked): Fix prototype.
5315
5316         * configure, config.in: Regenerate.
5317
5318 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
5319
5320         * tree-ssa-loop-im.c: Include real.h.
5321         (determine_invariantness_stmt): If real division divisor is
5322         invariant and flag_unsafe_math_optimizations enabled, generate
5323         invariant reciprocal for hoisting.
5324         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
5325
5326 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
5327
5328         Fix PR tree-optimization/20926
5329
5330         * tree-ssa-alias.c (add_type_alias): Handle subvars.
5331
5332 2005-04-11  Devang Patel  <dpatel@apple.com>
5333
5334         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
5335         operand ordering.
5336
5337 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
5338
5339         * fold-const.c (fold_binary_op_with_conditional_arg):
5340         use fold_buildN instead of "fold (buildN" in some
5341         non obvious places.
5342         (fold_unary): Likewise.
5343         (fold_binary): Likewise.
5344
5345 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
5346
5347         Fix PR tree-optimization/20612
5348         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
5349         handling
5350         (perfect_nestify): preheaderbb is *not* part of loop of the
5351         old destination.
5352
5353 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
5354
5355         * tree-ssa-alias.c (may_alias_p): If the variable
5356         is a global variable and the pointer is parameter
5357         and -fargument-noalias-global is used, then
5358         the pointer cannot alias the variable.
5359
5360 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
5361
5362         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
5363         * config/sparc/sparc.h: Likewise.
5364         * config/sparc/sparc.md: Likewise.
5365
5366 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
5367
5368         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
5369
5370         * tree-vrp.c: Fix a comment typo.
5371
5372 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
5373
5374         PR tree-optimization/20920
5375         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
5376         SSA_NAME flows through an abnormal edge.
5377         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
5378         through abnormal edges.
5379         (maybe_add_assert_expr): Likewise.
5380
5381 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
5382
5383         * config/s390/s390.h (s390_tune_string, s390_arch_string)
5384         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
5385         (s390_stack_size_string, s390_stack_guard_string, target_flags)
5386         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
5387         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
5388         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
5389         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
5390         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
5391         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
5392         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
5393         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
5394         (TARGET_HANDLE_OPTION): Likewise.
5395         (s390_tune): Initialize to PROCESSOR_max.
5396         (s390_arch_string): Make static.
5397         (s390_tune_string, s390_warn_framesize_string): Delete.
5398         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
5399         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
5400         (s390_handle_arch_option, s390_handle_option): New functions.
5401         (override_options): Remove parsing of option strings.
5402         * config/s390/s390.opt: New file.
5403
5404 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
5405
5406         * tree-complex.c (expand_vector_operations): Call
5407         update_stmt_if_modified.
5408
5409 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
5410
5411         * tree-vect-analyze (vect_determine_vectorization_factor):
5412         Do not use GET_MODE_NUNITS.
5413         * tree-vect-transform.c (vect_get_vec_def_for_operand,
5414         (vectorizable_load, vect_transform_loop): Likewise.
5415
5416 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
5417
5418         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
5419         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
5420         * optabs.h (enum optab_index): Add new OTI_lceil.
5421         (lceil_optab): Define corresponding macro.
5422         * optabs.c (init_optabs): Initialize lceil_optab.
5423         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
5424         and lceildi2 patterns.
5425         * builtins.c (expand_builtin_int_roundingfn): Handle
5426         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
5427         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
5428         BUILT_IN_LLCEIL{,F,L}.
5429         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
5430         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
5431         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
5432         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
5433         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
5434         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
5435         into lceil built-in function and (long long int)ceil{,f,l} into
5436         llceil built-in function.
5437         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
5438         BUILT_IN_LLCEIL.
5439
5440 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5441
5442         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
5443         zero.
5444
5445 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
5446
5447         * config/arm/arm.c: Fix a comment typo.
5448         * doc/tree-ssa.texi: Fix a typo.
5449
5450 2005-04-10  Steven Bosscher  <stevenb@suse.de>
5451
5452         * cselib.c (clear_table): Rename to cselib_clear_table.
5453         * cselib.h (cselib_clear_table): Add prototype.
5454         * gcse.c (gcse_main): Make 'f' argument unused.
5455         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
5456         of each basic block instead.
5457         (compute_sets, compute_hash_table_work): Likewise.
5458         (constprop_register): Change int 'alter_jumps' argument to bool.
5459         (do_local_cprop): Likewise.
5460         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
5461         the insn chain.  Explicitly clear the cselib tables after finishing
5462         one basic block.  Make sure there are no unterminated libcall blocks.
5463         Update compute_sets call.
5464         (cprop): Walk basic blocks instead of the insn chain.
5465         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
5466         Likewise.
5467         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
5468         one_cprop_pass calls.
5469
5470 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
5471
5472         * combine.c (combine_simplify_rtx): Remove a transformation that
5473         relies on an invalid assumption about rtl sign-extension semantics.
5474
5475 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
5476
5477         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
5478         to build_int_cst_wide.
5479
5480 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
5481
5482         PR target/20126
5483         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
5484         set the original address pseudo to the correct value before the
5485         original insn, if possible, and leave the insn alone, otherwise
5486         create a new pseudo, set it and replace it in the insn.
5487         * recog.c (validate_change_maybe_volatile): New.
5488         * recog.h (validate_change_maybe_volatile): Declare.
5489
5490 2005-04-09  Caroline Tice  <ctice@apple.com>
5491
5492         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
5493         Remove targetm.have_named_sections test.
5494         (fix_edges_for_rarely_executed_code): Likewise.
5495         (insert_section_boundary_note): Likewise.
5496         (reorder_basic_blocks): Check partitioning flag before calling
5497         verify_hot_cold_block_grouping.
5498         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
5499         the function struct rather than global variables.
5500         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
5501         (COLD_END_LABEL): Likewise
5502         (cold_text_section_label): New static global variable.
5503         (cold_end_label): Likewise.
5504         (dwarf2out_switch_text_section): Get hot/cold section labels from
5505         the function struct rather than global variables.
5506         (output_aranges): Use cold_text_section_label and cold_end_label;
5507         check partitioning flag before putting out delta.
5508         (output_ranges): Remove incorrect code attempting to use
5509         hot/cold labels.
5510         (output_line_info): Get cold section label from function struct.
5511         (add_location_or_const_value_attribute): Likewise.
5512         (get_subprogram_die): Get hot/cold section labels from function struct.
5513         (dwarf2out_var_location): Likewise.
5514         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
5515         write out cold_text_section_label if partition flag is set.
5516         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
5517         * function.h (struct function): Add new fields to point to hot/cold
5518         section labels: hot_section_label, cold_section_label,
5519         hot_section_end_label and cold_section_end_label; also add new field
5520         for cold text section name, unlikely_text_section_name.
5521         * opts.c (decode_options): Turn off partitioning flag if
5522         !targetm.have_named_sections.
5523         * output.h (hot_section_label): Remove.
5524         (hot_section_end_label): Remove.
5525         (cold_section_end_label): Remove.
5526         (unlikely_section_label): Remove.
5527         (unlikely_text_section_name): Remove.
5528         * passes.c (rest_of_handle_final):  Remove code that frees
5529         unlikely_text_section_name.
5530         * varasm.c (unlikely_section_label): Remove.
5531         (hot_section_label): Remove.
5532         (hot_section_end_label): Remove.
5533         (cold_section_end_label): Remove.
5534         (unlikely_text_section_name):  Remove.
5535         (initialize_cold_section_name): Modify to call
5536         targetm.strip_name_encoding; to store cold section name in current
5537         function struct, if it exists; and to only use the decl_section_name
5538         if flag_named_sections is true.
5539         (unlikely_text_section): Modify to get section name out of current
5540         function struct, if there is one; otherwise build it from
5541         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
5542         (in_unlikely_text_section): Likewise.
5543         (named_section): Modify to get/put cold section name in current function
5544         struct, if there is one.
5545         (function_section):  Change 'bool unlikely' to 'int reloc'; check
5546         targetm.have_named_sections before calling named_section.
5547         (current_function_section): Likewise.
5548         (assemble_start_function): Modify to get/put unlikely_text_section_name
5549         in current function struct; modify to get hot/cold section labels
5550         from function struct; initialize labels using
5551         ASM_GENERATE_INTERNAL_LABEL;
5552         test partitioning flag before writing out hot section label.
5553         (assemble_end_function): Test partitioning flag before writing out
5554         hot/cold section labels.
5555         (default_section_type_flags_1):  Modify to use array instead of
5556          char* for unlikely_text_section_name; set flags correctly for
5557          cold text section if there is not a current function decl.
5558
5559 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
5560
5561         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
5562         and TI_VA_LIST_FPR_COUNTER_FIELD.
5563         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
5564         * tree-pass.h (pass_stdarg): Add.
5565         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
5566         * tree-stdarg.c: New file.
5567         * tree-stdarg.h: New file.
5568         * Makefile.in (OBJS-common): Add tree-stdarg.o.
5569         (tree-stdarg.o): Add dependencies.
5570         * function.h (struct function): Add va_list_gpr_size and
5571         va_list_fpr_size fields.
5572         * function.c (allocate_struct_function): Initialize them.
5573         * target.h (struct gcc_target): Add stdarg_optimize_hook.
5574         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
5575         (TARGET_INITIALIZER): Add it.
5576
5577         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
5578         va_list_{g,f}pr_counter_field.
5579         (ix86_setup_incoming_varargs): Don't do anything if reg_save
5580         area will not be used.  Only save registers that tree-stdarg.c
5581         detected they need saving.
5582         (ix86_va_start): Don't set up fields that won't be used.
5583
5584         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
5585         va_list_{g,f}pr_counter_field.
5586         (setup_incoming_varargs): Don't do anything if reg_save
5587         area will not be used.  Only save registers that tree-stdarg.c
5588         detected they need saving.
5589         (rs6000_va_start): Don't set up fields that won't be used.
5590
5591         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
5592         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
5593         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
5594         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
5595
5596 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
5597
5598         PR target/20795
5599         * config/i386/i386.c (construct_container): Pass empty aligned
5600         struct, union or class in memory.
5601
5602 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
5603
5604         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
5605         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
5606         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
5607         config/rs6000/predicates.md: Fix comment typos.
5608
5609         * sched-int.h (haifa_insn_data): Remove blockage and units.
5610         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
5611         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
5612         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
5613
5614 2005-04-09  Jan Hubicka  <jh@suse.cz>
5615             Steven Bosscher  <stevenb@suse.de>
5616
5617         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
5618         * cfgloop.c (get_loop_exit_edges): Likewise.
5619         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
5620         (unloop): Likewise.
5621         * loop-unroll.c (analyze_insns_in_loop): Likewise.
5622         * tree-cfg.c (dump_cfg_status): Likewise.
5623
5624 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
5625
5626         * config/rs6000/predicates.md (altivec_register_operand): Remove
5627         redundant match_code test.
5628         (gpc_reg_operand): Same.
5629         (cc_reg_operand): Same.
5630         (cc_reg_not_cr0_operand): Same.
5631
5632 2005-04-09  Jan Hubicka  <jh@suse.cz>
5633
5634         Forgotten hunk from my last merge patch:
5635         * final.c (output_addr_const): Do not call mark_referenced.
5636
5637 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
5638
5639         * doc/tree-ssa.texi: Add immediate use documentation.
5640
5641 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
5642
5643         * arm.c (FL_WBUF): Define.
5644         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
5645         (arm_is_6_or_7): Delete.
5646         (arm_tune_wbuf): New.
5647         (arm_override_options): Set arm_tune_wbuf.
5648         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
5649         (arm_is_6_or_7): Delete declaration.
5650         (arm_tune_wbuf): New declartion.
5651         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
5652         (model_wbuf): Derive from arm_tune_wbuf.
5653         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
5654         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
5655         (arm740t): Mark CPUs as having a write buffer.
5656
5657 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
5658
5659         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
5660         of 'const_double_operand' in operand 2 constraints.  Update enable
5661         condition.
5662
5663 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
5664
5665         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
5666         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
5667         * optabs.h (enum optab_index): Add new OTI_lfloor.
5668         (lfloor_optab): Define corresponding macro.
5669         * optabs.c (init_optabs): Initialize lfloor_optab.
5670         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
5671         and lfloordi2 patterns.
5672         * builtins.c (expand_builtin_int_roundingfn): New prototype.
5673         (expand_builtin_int_roundingfn): New function.
5674         (fold_builtin_int_roundingfn): New prototype.
5675         (fold_builtin_int_roundingfn): New function, renamed from
5676         fold_builtin_lround.
5677         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
5678         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
5679         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
5680         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
5681         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
5682         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
5683         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
5684         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
5685         into lfloor built-in function and (long long int)floor{,f,l} into
5686         llfloor built-in function.
5687         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
5688         BUILT_IN_LLFLOOR.
5689
5690 2005-04-08  Ian Lance Taylor  <ian@airs.com>
5691
5692         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
5693         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
5694         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
5695         (DO_COND, DO_BODY): Likewise.
5696         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
5697         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
5698         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
5699         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
5700         (build_continue_stmt, build_break_stmt): Don't declare.
5701         (c_do_switch_warnings): Update declaration.
5702         * c-gimplify.c (enum bc_t): Remove.
5703         (struct c_gimplify_ctx, ctxp): Remove.
5704         (push_context, pop_context): Remove static functions.
5705         (c_genericize): Don't call push_context or pop_context.
5706         (begin_bc_block, finish_bc_block): Remove static functions.
5707         (build_bc_goto): Likewise.
5708         (gimplify_c_loop): Likewise.
5709         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
5710         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
5711         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
5712         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
5713         * c-common.c (c_do_switch_warnings): Rename from
5714         c_do_switch_warnings_1.
5715         (c_do_switch_warnings) [old version]: Remove.
5716         (c_do_switch_expr_warnings): Remove.
5717         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
5718         function instead of c_do_switch_expr_warnings.
5719         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
5720         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
5721         * c-pretty-print.c (pp_c_statement): Likewise.
5722         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
5723
5724 2005-04-08  Devang Patel  <dpatel@apple.com>
5725
5726         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
5727         While selecting replacement condition pay attention to loop header.
5728
5729 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
5730
5731         Merge from tree-cleanup-branch: VRP, store CCP, store
5732             copy-prop, incremental SSA updating of FUD chains and
5733             newly exposed symbols.
5734
5735         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
5736         (OBJS-common): Add tree-vrp.o.
5737         (tree-vrp.o): New rule.
5738         * basic-block.h (nearest_common_dominator_for_set): Declare.
5739         * common.opt (ftree-store-ccp): New flag.
5740         (ftree-copy-prop): New flag.
5741         (ftree-vrp): New flag.
5742         (ftree-store-copy-prop): New flag.
5743         * dominance.c (nearest_common_dominator_for_set): New.
5744         * domwalk.c (walk_dominator_tree): Only traverse
5745         statements in blocks marked in walk_data->interesting_blocks.
5746         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
5747         * fold-const.c (fold): Handle ASSERT_EXPR.
5748         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
5749         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
5750         flag_tree_vrp at -O2.
5751         * timevar.def (TV_TREE_VRP): Define.
5752         (TV_TREE_COPY_PROP): Define.
5753         (TV_TREE_STORE_COPY_PROP): Define.
5754         (TV_TREE_SSA_INCREMENTAL): Define.
5755         (TV_TREE_STORE_CCP): Define.
5756         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
5757         to kill_redundant_phi_nodes from comment.
5758         (verify_expr): Handle ASSERT_EXPR.
5759         * tree-dfa.c (mark_new_vars_to_rename): Remove second
5760         argument.  Update all users.
5761         (mark_call_clobbered_vars_to_rename): Remove.  Update all
5762         users.
5763         * tree-flow-inline.h (unmodifiable_var_p): New.
5764         * tree-flow.h (enum value_range_type): Declare.
5765         (struct value_range_def): Declare.
5766         (value_range): Declare.
5767         (remove_all_phi_nodes_for): Remove.  Update all users.
5768         (find_phi_node_for): Declare.
5769         (add_type_alias): Declare.
5770         (count_uses_and_derefs): Declare.
5771         (kill_redundant_phi_nodes): Remove.
5772         (rewrite_into_ssa): Remove.
5773         (rewrite_def_def_chains): Remove.
5774         (update_ssa, register_new_name_mapping, create_new_def_for,
5775         need_ssa_update_p, name_registered_for_update_p,
5776         release_ssa_name_after_update_ssa, dump_repl_tbl,
5777         debug_repl_tbl, dump_names_replaced_by,
5778         debug_names_replaced_by, mark_sym_for_renaming,
5779         mark_set_for_renaming, get_current_def, set_current_def,
5780         get_value_range, dump_value_range, debug_value_range,
5781         dump_all_value_ranges, debug_all_value_ranges,
5782         expr_computes_nonzero, loop_depth_of_name,
5783         unmodifiable_var_p): Declare.
5784         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
5785         ASSERT_EXPR.
5786         * tree-into-ssa.c (block_defs_stack): Update comment.
5787         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
5788         syms_to_rename, names_to_release, repl_tbl,
5789         need_to_initialize_update_ssa_p, need_to_update_vops_p,
5790         need_to_replace_names_p): New locals.
5791         (NAME_SETS_GROWTH_FACTOR): Define.
5792         (struct repl_map_d): Declare.
5793         (struct mark_def_sites_global_data): Add field
5794         interesting_blocks.
5795         (enum rewrite_mode): Declare.
5796         (REGISTER_DEFS_IN_THIS_STMT): Define.
5797         (compute_global_livein): Use last_basic_block instead of
5798         n_basic_blocks.
5799         (set_def_block): Remove last argument.  Update all callers.
5800         (prepare_use_operand_for_rename): Remove.  Update all callers.
5801         (prepare_def_operand_for_rename): Remove.  Update all callers.
5802         (symbol_marked_for_renaming): New.
5803         (is_old_name): New.
5804         (is_new_name): New.
5805         (repl_map_hash): New.
5806         (repl_map_eq): New.
5807         (repl_map_free): New.
5808         (names_replaced_by): New.
5809         (add_to_repl_tbl): New.
5810         (add_new_name_mapping): New.
5811         (mark_def_sites): Assume that all the operands in the
5812         statement are in normal form.
5813         (find_idf): Assert that the block in the stack is valid.
5814         (get_default_def_for): New.
5815         (insert_phi_nodes_for): Add new argument 'update_p'.
5816         Add documentation.
5817         If update_p is true, add a new mapping between the LHS of
5818         each new PHI and the name that it replaces.
5819         (insert_phi_nodes_1): Only call find_idf if needed.
5820         (get_reaching_def): Call get_default_def_for.
5821         (rewrite_operand): Remove.
5822         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
5823         and REWRITE_THIS_STMT are false.
5824         Assume that all the operands in the statement are in
5825         normal form.
5826         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
5827         (rewrite_virtual_phi_arguments): Remove.
5828         (invalidate_name_tags): Remove.
5829         (register_new_update_single, register_new_update_set,
5830         rewrite_update_init_block, replace_use,
5831         rewrite_update_fini_block, rewrite_update_stmt,
5832         rewrite_update_phi_arguments): New.
5833         rewrite_blocks): Remove argument 'fix_virtual_phis'.
5834         Add arguments 'entry', 'what' and 'blocks'.
5835         Initialize the dominator walker according to 'what' and
5836         'blocks'.
5837         Start the dominator walk at 'entry'.
5838         (mark_def_site_blocks): Add argument 'interesting_blocks'.
5839         Use it to configure the dominator walker.
5840         (rewrite_into_ssa): Remove argument 'all'.
5841         Make internal.
5842         (rewrite_all_into_ssa): Remove.
5843         (rewrite_def_def_chains): Remove.
5844         (mark_def_interesting, mark_use_interesting,
5845         prepare_phi_args_for_update, prepare_block_for_update,
5846         prepare_def_site_for, prepare_def_sites,
5847         dump_names_replaced_by, debug_names_replaced_by,
5848         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
5849         delete_update_ssa, create_new_def_for,
5850         register_new_name_mapping, mark_sym_for_renaming,
5851         mark_set_for_renaming, need_ssa_update_p,
5852         name_registered_for_update_p, ssa_names_to_replace,
5853         release_ssa_name_after_update_ssa,
5854         insert_updated_phi_nodes_for, update_ssa): New.
5855         * tree-loop-linear.c (linear_transform_loops): Call
5856         update_ssa instead of rewrite_into_ssa.
5857         * tree-optimize.c (vars_to_rename): Remove.
5858         Update all users.
5859         (init_tree_optimization_passes): Replace
5860         pass_redundant_phi with pass_copy_prop.
5861         Add pass_vrp.
5862         Replace pass_ccp with pass_store_ccp.
5863         Add pass_store_copy_prop after pass_store_ccp.
5864         (execute_todo): If the TODO_ flags don't include updating
5865         the SSA form, assert that it does not need to be updated.
5866         Call update_ssa instead of rewrite_into_ssa and
5867         rewrite_def_def_chains.
5868         If TODO_verify_loops is set, call verify_loop_closed_ssa.
5869         (tree_rest_of_compilation):
5870         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
5871         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
5872         TODO_cleanup_cfg): Renumber.
5873         (TODO_verify_loops, TODO_update_ssa,
5874         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
5875         TODO_update_ssa_only_virtuals): Define.
5876         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
5877         Declare.
5878         * tree-phinodes.c (make_phi_node): Update documentation.
5879         (remove_all_phi_nodes_for): Remove.
5880         (find_phi_node_for): New.
5881         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
5882         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
5883         (interpret_rhs_modify_expr): Likewise.
5884         * tree-sra.c (decide_instantiations): Mark all symbols in
5885         SRA_CANDIDATES for renaming.
5886         (mark_all_v_defs_1): Rename from mark_all_v_defs.
5887         (mark_all_v_defs): New function.  Update all users to call it
5888         with the whole list of scalarized statements, not just the
5889         first one.
5890         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
5891         (compute_flow_insensitive_aliasing): If the tag is
5892         unmodifiable and the variable isn't or vice-versa, don't
5893         make them alias of each other.
5894         (setup_pointers_and_addressables): If the type tag for
5895         VAR is about to change, mark the old one for renaming.
5896         (add_type_alias): New.
5897         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
5898         (ccp_lattice_t): Rename from latticevalue.
5899         (value): Remove.  Update all users.
5900         (const_val): New local variable.
5901         (do_store_ccp): New local variable.
5902         (dump_lattice_value): Handle UNINITIALIZED.
5903         (debug_lattice_value): New.
5904         (get_default_value): Re-write.
5905         (set_lattice_value): Re-write.
5906         (def_to_varying): Remove.  Update all users.
5907         (likely_value): Return VARYING for statements that make
5908         stores when STORE_CCP is false.
5909         Return VARYING for any statement other than MODIFY_EXPR,
5910         COND_EXPR and SWITCH_EXPR.
5911         (ccp_initialize): Re-write.
5912         (replace_uses_in, replace_vuse_in, substitute_and_fold):
5913         Move to tree-ssa-propagate.c.
5914         (ccp_lattice_meet): Handle memory stores when
5915         DO_STORE_CCP is true.
5916         (ccp_visit_phi_node): Likewise.
5917         (ccp_fold): Likewise.
5918         (evaluate_stmt): Likewise.
5919         (visit_assignment): Likewise.
5920         (ccp_visit_stmt): Likewise.
5921         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
5922         into DO_STORE_CCP.
5923         (do_ssa_ccp): New.
5924         (pass_ccp): Use it.
5925         (do_ssa_store_ccp): New.
5926         (gate_store_ccp): New.
5927         (pass_store_ccp): Declare.
5928         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
5929         (may_propagate_copy): Reformat.
5930         Don't abort if ORIG is a virtual and DEST isn't.
5931         If NEW does not have alias information but DEST does,
5932         copy it.
5933         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
5934         copy_prop_kind, which_copy_prop): Declare.
5935         (stmt_may_generate_copy, get_copy_of_val,
5936         get_last_copy_of, set_copy_of_val, dump_copy_of,
5937         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
5938         copy_prop_visit_stmt, copy_prop_visit_phi_node,
5939         init_copy_prop, fini_copy_prop, execute_copy_prop,
5940         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
5941         store_copy_prop): New.
5942         (pass_copy_prop, pass_store_copy_prop): Declare.
5943         * tree-ssa-dom.c (struct opt_stats_d): Add fields
5944         'num_const_prop' and 'num_copy_prop'.
5945         (cprop_operand): Update them.
5946         (dump_dominator_optimization_stats): Dump them.
5947         (tree_ssa_dominator_optimize): Call update_ssa instead of
5948         rewrite_into_ssa.
5949         (loop_depth_of_name): Declare extern.
5950         (simplify_cond_and_lookup_avail_expr): Guard against NULL
5951         values for LOW or HIGH.
5952         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
5953         (record_equivalences_from_stmt): Call expr_computes_nonzero.
5954         (cprop_operand): Only propagate if VAL != OP.
5955         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
5956         statement for renaming.
5957         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
5958         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
5959         add_type_alias if necessary.
5960         Call mark_new_vars_to_rename.
5961         (tree_ssa_iv_optimize): If new symbols need to be renamed,
5962         mark every statement updated, call update_ssa and
5963         rewrite_into_loop_closed_ssa.
5964         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
5965         from LIVEIN if VAR is a virtual.
5966         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
5967         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
5968         (get_call_expr_operands): Reformat statement.
5969         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
5970         symbols.
5971         * tree-ssa-propagate.c (ssa_prop_init): Initialize
5972         SSA_NAME_VALUE for every name.
5973         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
5974         get_value_loaded_by): New.
5975         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
5976         substitute_and_fold): Move from tree-ssa-ccp.c.
5977         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
5978         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
5979         get_value_loaded_by, replace_uses_in, substitute_and_fold):
5980         Declare.
5981         * tree-ssa.c (verify_use): Fix error message.
5982         (propagate_into_addr, replace_immediate_uses, get_eq_name,
5983         check_phi_redundancy, kill_redundant_phi_nodes,
5984         pass_redundant_phi): Remove.  Update all users.
5985         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
5986         add_type_alias, if necessary.
5987         * tree-vectorizer.h (struct _stmt_vect_info): Update
5988         documentation for field 'memtag'.
5989         * tree-vrp.c: New file.
5990         * tree.def (ASSERT_EXPR): Define.
5991         * tree.h (ASSERT_EXPR_VAR): Define.
5992         (ASSERT_EXPR_COND): Define.
5993         (SSA_NAME_VALUE_RANGE): Define.
5994         (struct tree_ssa_name): Add field 'value_range'.
5995         (PHI_REWRITTEN): Remove.
5996         (struct tree_phi_node): Remove field 'rewritten'.
5997         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
5998         -ftree-store-copy-prop): Document.
5999         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
6000         Document usage of update_ssa.
6001
6002 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
6003
6004         PR target/20814
6005         * config/rs6000/predicates.md (altivec_register_operand): Accept
6006         SUBREG.
6007         (and64_operand): Do not limit CONST_INT to mask64_operand.
6008         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
6009         (and_operand): Do not limit CONST_INT to mask_operand.
6010
6011 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
6012
6013         PR rtl-optimization/20466
6014         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
6015         for overlap of the address of each list member.
6016         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
6017
6018 2005-04-08  Mike Stump  <mrs@apple.com>
6019
6020         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
6021
6022         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
6023         instead of 4.
6024
6025 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
6026
6027         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
6028
6029         * function.c (push_function_context_to): Don't set
6030         contains_functions.
6031         * function.h (function): Remove contains_functions.
6032         (current_function_contains_functions): Remove.
6033
6034         * function.h (function): Remove instrument_entry_exit.
6035         (current_function_instrument_entry_exit): Remove.
6036
6037         * function.h (nonlocal_labels): Remove.
6038
6039         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
6040
6041         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
6042         (check_attr_value, write_attr_get, write_expr_attr_cache,
6043         find_attr, make_internal_attr): Don't reference negative_ok or
6044         unsigned_p.
6045         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
6046         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
6047         (ATTR_STATIC): Adjust the value.
6048
6049         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
6050
6051 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
6052
6053         * config/s390/tpf.h (ASM_SPEC): Define.
6054
6055 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
6056
6057         * tree-flow.h: Remove the prototype for
6058         redirect_immediate_uses.
6059         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
6060
6061 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
6062
6063         * arm.c (arm_const_double_by_parts): New function.
6064         * arm-protos.h (arm_const_double_by_parts): Add prototype.
6065         * arm.md (define_split for 64-bit constants): Add another one.
6066
6067 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
6068
6069         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
6070
6071 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6072
6073         * system.h: Revert last change.
6074
6075 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
6076
6077         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
6078         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
6079         (TARGET_SWITCHES): Delete.
6080         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
6081         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
6082         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
6083         * config/xtensa/xtensa.opt: New file.
6084
6085 2005-04-08  Ben Elliston  <bje@au.ibm.com>
6086
6087         * config/fp-bit.c: Include L_mul_tf in #endif comment.
6088         * config/fp-bit.h: Tidy comments.
6089
6090 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6091
6092         * system.h: Poison PARAMS.
6093
6094 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
6095
6096         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
6097         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
6098         (TARGET_SWITCHES): Delete.
6099         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
6100         * config/vax/vax.opt: New file.
6101
6102 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
6103
6104         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
6105
6106 2005-04-07  Ian Lance Taylor  <ian@airs.com>
6107
6108         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
6109         define.
6110         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
6111         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
6112         Likewise.
6113
6114 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
6115
6116         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
6117         all immediate uses in PHI nodes.
6118
6119 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
6120
6121         * arm.c (arm_const_double_inline_cost): Handle any constant by
6122         using gen_lowpart and gen_highpart_mode.
6123         (note_invalid_constants): All constants in an RTX with a constraint
6124         that permits memory are now pushed to the constant pool.
6125         (output_move_double): Delete code to handle reg to reg and
6126         constant to reg moves.
6127         (const_double_needs_minipool, output_mov_immediate): Delete.
6128         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
6129         CONST_INT and CONST_VECTOR.
6130         * arm.md (ANY64): New mode macro.
6131         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
6132         (movdf_soft_insn): Split reg-reg and const-reg moves.
6133         (split patterns for 64-bit constant and register moves): New.
6134         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
6135         (cirrus_movdf_hard_insn): Likewise.
6136         * fpa.md (movdf_fpa): Likewise.
6137         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
6138         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
6139         constraints.
6140         (movv2si_internal_2): Likewise.
6141         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
6142         (movdf_vfp): Likewise.
6143         * arm-protos.h (output_mov_immediate): Delete prototype.
6144
6145 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
6146
6147         PR target/20093
6148         * simplify-rtx.c (simplify_unary_operation_1): Check
6149         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
6150
6151 2005-04-06  James E Wilson  <wilson@specifixinc.com>
6152
6153         PR target/20717
6154         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
6155         ADDR_EXPR.
6156
6157 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
6158
6159         * coverage.h (GCOV_TYPE_NODE): Delete.
6160         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
6161         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
6162         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
6163         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
6164         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
6165
6166 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
6167
6168         PR other/20792
6169         * Makefile.in (gcc.pot): Remove options.c dependency.
6170         * optc-gen.awk: Don't quote help strings with N_().
6171
6172 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
6173
6174         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
6175         the function returns a pointer type.
6176
6177 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
6178
6179         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
6180         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
6181         * doc/invoke.texi: Documnet salias-max-implicit-fields.
6182         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
6183         explicit_uses members.
6184         (get_or_create_used_part_for): Initialize new fields.
6185         (fieldoff_compare): New function.
6186         (create_overlap_variables_for): Count number of fields, use
6187         heuristic to determine whether to create subvars for vars with
6188         only implicit uses.
6189         Sort the field list by offset and avoid creating duplicate SFT's.
6190
6191 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
6192
6193         * c.opt (-F): Remove trailing whitespace from help string.
6194         (-finput-charset): Use a tab to separate the switch name and help
6195         string.
6196         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
6197         (-ftree-vectorizer-verbose): Likewise.
6198
6199 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
6200
6201         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
6202         a PHI argument where a use occurs instead of all PHI arguments.
6203
6204 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
6205
6206         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
6207         scope.
6208
6209 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
6210
6211         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
6212         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
6213         config/bfin/bfin.h: Fix comment typos.
6214
6215 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
6216
6217         * doc/install.texi: Update the URL for Jacks.
6218         * doc/sourcebuild.texi: Likewise.
6219
6220 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
6221
6222         PR target/17245
6223         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
6224         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
6225
6226 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
6227
6228         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
6229
6230 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
6231
6232         * config/v850/v850-protos.h (override_options): Delete.
6233         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
6234         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
6235         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
6236         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
6237         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
6238         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
6239         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
6240         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
6241         (OVERRIDE_OPTIONS): Delete.
6242         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
6243         (small_memory_info): Remove the value field.
6244         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
6245         TARGET_NO_APP_REGS.
6246         * config/v850/v850.c (small_memory): Remove the value field.
6247         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6248         (override_options): Delete.
6249         (v850_handle_memory_option, v850_handle_option): New functions.
6250         * config/v850/v850.opt: New file.
6251
6252 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
6253
6254         * config.host: Add a section for generic hosts, and a subsection
6255         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
6256         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
6257         * config/host-darwin.h: New.
6258         * config/x-darwin: New.
6259         * config/i386/host-i386-darwin.c: New.
6260         * config/i386/x-darwin: New.
6261         * config/rs6000/host-darwin.c: Include host-darwin.h.
6262         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
6263         (darwin_rs6000_gt_pch_use_address): Likewise.
6264         * config/rs6000/x-darwin: Change name of .o built, update
6265         dependencies for changes to rs6000/host-darwin.c.
6266
6267 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
6268
6269         PR target/17824
6270         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
6271
6272 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
6273
6274         * tree-vect-analyze.c (vect_analyze_loop_form): Call
6275         split_loop_exit_edge instead of loop_split_edge_with.
6276
6277 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
6278
6279         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
6280         UNSPEC_SET_VSCR): New constants, used throughout.
6281         (*andc3_v4sf): New.
6282         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
6283         Replace with...
6284         (altivec_vspltis<VI_char>): ... this pattern, using
6285         a QImode const_int_operand for the immediate.
6286         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
6287         define_expands.
6288
6289 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
6290
6291         PR target/17822
6292         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
6293
6294 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
6295
6296         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
6297
6298 2005-04-06  Ben Elliston  <bje@au.ibm.com>
6299
6300         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
6301         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
6302         macros as living in "this file" and not gcc.h.
6303
6304 2005-04-06  Ben Elliston  <bje@au.ibm.com>
6305
6306         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
6307         -ftree-live_range_split.  Perhaps renamed at some point?
6308
6309 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
6310
6311         PR target/20625
6312         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
6313         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
6314
6315 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
6316
6317         * tree-flow.h (number_of_iterations_cond): Declaration removed.
6318         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
6319         (number_of_iterations_special): New function.
6320         (number_of_iterations_exit): Use number_of_iterations_special.
6321         Use simplify_using_outer_evolutions only at -O3.
6322         (number_of_iterations_cond, tree_simplify_using_condition,
6323         simplify_using_initial_conditions, loop_niter_by_eval,
6324         compare_trees, can_count_iv_in_wider_type_bound,
6325         simplify_using_outer_evolutions): Use fold_build.
6326
6327 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
6328
6329         * doc/install.texi (Configuration): Document --with-java-home.
6330
6331 2005-04-05  Richard Henderson  <rth@redhat.com>
6332
6333         PR target/20342
6334         PR target/20447
6335         * config/i386/i386.c (print_operand): Handle vector zeros.
6336         (ix86_split_to_parts): Handle CONST_VECTOR.
6337         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
6338         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
6339         what modes to tie for MMX and SSE registers.
6340         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
6341         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
6342         to vector modes as well.
6343         * config/i386/predicates.md (const0_operand): Handle VOIDmode
6344         properly as an input mode.
6345
6346 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
6347
6348         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
6349
6350 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
6351
6352         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
6353
6354 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
6355
6356         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
6357         and local functions, set sse_nregs to 8 and float_in_sse.
6358         (function_arg_advance, function_arg): If float_in_sse, pass
6359         SFmode and DFmode arguments in SSE registers.
6360         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
6361
6362         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
6363         of -funit-at-a-time.
6364
6365 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
6366
6367         * config/i386/i386-protos.h (ix86_function_value): Accept two
6368         arguments, like the target macro.
6369         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
6370         * config/i386/i386.c (ix86_function_value): Accept the second
6371         argument of the target macro.
6372         (ix86_function_ok_for_sibcall): Pass a function pointer to
6373         ix86_function_value.
6374         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
6375         call to ix86_value_regno).
6376         (ix86_value_regno): Add support for returning floating point values
6377         in SSE registers.
6378
6379 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
6380
6381         PR tree-optimization/20076
6382         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
6383         that call __builtin_return or __builtin_apply_args.
6384
6385 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
6386
6387         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
6388         Use immediate use iterator.
6389         (stmt_is_bumper_for_loop): Use immediate use iterator.
6390         * predict.c (strip_builtin_expect): Use update_stmt.
6391         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
6392         on all elements of a STATEMENT_LIST.
6393         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
6394         (bsi_remove): Remove imm_use links and mark the stmt as modified.
6395         (bsi_replace): Mark stmt as modified and the update it.
6396         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
6397         (expand_complex_libcal): Call update_stmt.
6398         (expand_complex_comparison): Call mark_stmt_modified.
6399         (expand_complex_operations_1): Call update_stmt_if_modified.
6400         (expand_vector_operations_1): Call mark_stmt_modified.
6401         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
6402         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
6403         add_immediate_use, redirect_immediate_use,
6404         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
6405         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
6406         (mark_new_vars_to_rename): Call update_stmt.
6407         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
6408         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
6409         Ignore PHI nodes.
6410         (unmodify_stmt): Delete.
6411         (update_stmt): New.  Force an update of a stmt.
6412         (update_stmt_if_modified): update a stmt if it is out of date.
6413         (get_stmt_operands): Verify stmt is NOT modified.
6414         (stmt_modified_p): Update comment.
6415         (delink_imm_use): Remove a use node from its immuse list.
6416         (link_imm_use_to_list): Link a use node to a specific list.
6417         (link_imm_use): Link a node to the correct list.
6418         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
6419         it in the correct list, if appropriate.
6420         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
6421         (relink_imm_use): Link a use node in place of another node in a list.
6422         (relink_imm_use_stmt): LInk a node in place of another node, and set
6423         the stmt pointer.
6424         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
6425         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
6426         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
6427         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
6428         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
6429         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
6430         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
6431         (has_zero_uses): New.  Return true if there are no uses of a var.
6432         (has_single_use): New.  Return true if there is only a single use of a
6433         variable.
6434         (single_imm_use): New.  Return the simgle immediate use.
6435         (num_imm_uses): New.  Return the number of immediate uses.
6436         (get_v_must_def_ops): Use is now a pointer.
6437         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
6438         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
6439         the use node.
6440         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
6441         (delink_stmt_imm_use): Delink all immuses from a stmt.
6442         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
6443         * tree-flow.h (struct dataflow_d): Delete.
6444         (immediate_use_iterator_d): New.  Immediate use iterator struct.
6445         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
6446         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
6447         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
6448         iteration.
6449         (struct stmt_ann_d): Remove dataflow_t from struct.
6450         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
6451         (if_convertible_phi_p): Use FAST immuse iterator.
6452         (if_convertible_loop_p): Don't call compute_immediate_uses.
6453         (replace_phi_with_cond_modify_expr): Call update_stmt.
6454         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
6455         update_stmt_if_modified.
6456         (rewrite_all_into_ssa): Initialize ssa operands.
6457         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
6458         compute_immediate_uses.
6459         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
6460         ssa_property is available.
6461         (execute_one_pass):  Change parameters passed to execute_todo.
6462         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
6463         (remove_ssa_form): Call fini_ssa_operands.
6464         (insert_backedge_copies): Delete call to modify_stmt.
6465         * tree-phinodes.c (make_phi_node): Initialize use nodes.
6466         (release_phi_node): Delink any use nodes before releasing.
6467         (resize_phi_node): Relink any use nodes.
6468         (remove_phi_arg_num): Delink the use node.
6469         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
6470         (remove_all_phi_nodes_for): Release phi node first.
6471         * tree-pretty-print.c (dump_generic_node): Print stmt address.
6472         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
6473         (scalarize_use, scalarize_copy): Call update_stmt.
6474         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
6475         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
6476         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
6477         (ccp_initialize): Remove call to compute_immediate_uses.
6478         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
6479         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
6480         stmts.
6481         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
6482         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
6483         (eliminate_redundant_computations): Call mark_stmt_modified.
6484         (cprop_operand): Call mark_stmt_modified.
6485         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
6486         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
6487         (dse_optimize_stmt): Use new immuse interface.
6488         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
6489         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
6490         (substitute_single_use_vars): Use new immuse interface.
6491         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
6492         and compute_immediate_uses.
6493         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
6494         interface.
6495         (rewrite_mem_refs): Call update_stmt.
6496         (determine_lsm): Remove call to compute_imm_uses and free_df.
6497         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
6498         (try_unroll_loop_completely): Call update_stmt.
6499         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
6500         (rewrite_use_compare): Call update_stmt.
6501         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
6502         (rewrite_use) : Call update_stmt.
6503         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
6504         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
6505         update_stmt.
6506         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
6507         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
6508         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
6509         use nodes.
6510         (initialize_vuse_operand): New.  Initialize a vuse operand.
6511         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
6512         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
6513         (finalize_ssa_defs): Use stmt parameter.
6514         (correct_use_link): Ensure a use node is in the correct list, and has
6515         the correct stmt pointer.
6516         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
6517         finalize_ssa_v_must_defs): Also initialize use nodes.
6518         (finalize_ssa_stmt_operands): Pass extra stmt operands.
6519         (build_ssa_operands): Seperate parsing from final operand construction.
6520         (parse_ssa_operands): New.  Parse entry point for operand building.
6521         (swap_tree_operands): New.  Swap 2 tree operands.
6522         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
6523         operands.
6524         (get_expr_operands): Call swap_tree_operands when needed.
6525         (copy_virtual_operands): Use initialize routines for virtual use ops.
6526         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
6527         (verify_abort): New.  Issue imm_use error.
6528         (verify_imm_links): New Verify imm_use links for a var.
6529         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
6530         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
6531         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
6532         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
6533         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
6534         (NULL_USE_OPERAND_P) Define.
6535         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
6536         use node.
6537         (struct vuse_operand_type): New struct.
6538         (SET_USE): Call set_ssa_use_from_ptr.
6539         (USE_STMT): Define.
6540         (PHI_ARG_INDEX_FROM_USE): Define.
6541         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
6542         argument via SET_USE, not PHI_ARG_DEF_TREE.
6543         * tree-ssa-pre.c (eliminate): Call update_stmt.
6544         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
6545         call free_df.
6546         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
6547         (nearest_common_dominator_of_uses): Use imm_use iterator.
6548         (statement_sink_location): Use imm_use iterator and interface.
6549         (execute_sink_code): Don't call compute_immediate_uses or free-df.
6550         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
6551         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
6552         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
6553         (verify_ssa): Ensure no stmt is marked modify after optimization pass
6554         if new parameter is true.
6555         (init_tree_ssa): Don't initialize operand cache here.
6556         (delete_tree_ssa): Don't destroy operand cache here.
6557         (propagate_into_addr): Pass in a use pointer, return true if anything
6558         was changed.
6559         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
6560         (check_phi_redundancy): Use imm_use iterator.
6561         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
6562         free_df.
6563         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
6564         (release_ssa_name): Delink node and all elements in its imm_use list.
6565         * tree-tailcall.c (adjust_return_value): Call update_stmt.
6566         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
6567         * tree-vectorizer.c (need_imm_uses_for): Delete.
6568         (vectorize_loops): Dont call compute_immediate_uses or free_df.
6569         * tree.h (struct ssa_imm_use_d): Define.
6570         (SSA_NAME_IMM_USE_NODE): Define.
6571         (struct tree_ssa_name): Add imm_use node.
6572         (PHI_DF): Delete.
6573         (PHI_ARG_IMM_USE_NODE): Define.
6574         (struct phi_arg_d): Add imm_use node.
6575         (struct tree_phi_node): Remove struct dataflow_d element.
6576         (TDF_STMTADDR): Define.
6577
6578 2005-04-05  Dale Johannesen  <dalej@apple.com>
6579
6580         * doc/invoke.texi (Optimization Options):  Remove
6581         duplicate -fcse-follow-jumps.  Add -fweb.
6582         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
6583         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
6584
6585 2005-04-05  Per Bothner  <per@bothner.com>
6586
6587         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
6588         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
6589         (warn_uninit): Get EXPR_LOCUS from context now instead.
6590         This fixes a USE_MAPPED_LOCATION testsuite failure.
6591
6592         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
6593
6594 2005-04-05  Per Bothner  <per@bothner.com>
6595
6596         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
6597         of the artification 'return 0' in main() to BUILTINS_LOCATION.
6598         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
6599         before warning.
6600
6601 2004-04-05  Devang Patel  <dpatel@apple.com>
6602
6603         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
6604         (lhsr<mode>3): ... new name.
6605         (altivec_vsra<VI_char>): Rename to ..
6606         (ashr<mode>3): ... new name.
6607         * config/rs6000/rs6000.c (builtin_description): Rename shift
6608         operations.
6609
6610 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
6611
6612         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
6613         gen_lowpart_for_combine.
6614         * cse.c (gen_lowpart_if_possible): Move...
6615         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
6616         gen_lowpart_SUBREG.
6617         (gen_lowpart_no_emit_general): Use it.
6618
6619 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
6620
6621         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
6622         overriding.
6623
6624 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
6625
6626         * system.h: Fix typo.
6627
6628 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
6629
6630         * config/bfin/bfin-modes.def: New file.
6631         * config/bfin/bfin-protos.h: New file.
6632         * config/bfin/bfin.c: New file.
6633         * config/bfin/bfin.h: New file.
6634         * config/bfin/bfin.md: New file.
6635         * config/bfin/bfin.opt: New file.
6636         * config/bfin/crti.s: New file.
6637         * config/bfin/crtn.s: New file.
6638         * config/bfin/elf.h: New file.
6639         * config/bfin/lib1funcs.asm: New file.
6640         * config/bfin/predicates.md: New file.
6641         * config/bfin/t-bfin: New file.
6642         * config/bfin/t-bfin-elf: New file.
6643         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
6644         Document new attributes.
6645         (interrupt, interrupt_handler, saveall): Update documentation for
6646         these attributes.
6647         * doc/install.texi (Specific): Add entry for the Blackfin.
6648         * doc/invoke.texi (Blackfin Options): New section.
6649         * doc/md.texi (Blackfin family): New section to document constraints.
6650         * config.gcc: Add bfin*-* and bfin*-elf configurations.
6651
6652 2005-04-05  Olivier Hainque  <hainque@adacore.com>
6653
6654         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
6655         match what the system unwinder expects.
6656         * config/mips/mips.c (mips_frame_set): If we're saving the return
6657         address register and the dwarf return address column number differs
6658         from the hard register number, adjust the note reg to refer to the
6659         former.
6660
6661 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
6662
6663         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
6664         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
6665         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
6666         (processor_type): New enum.
6667         (mn10300_processor): New variable.
6668         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
6669         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
6670         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
6671         (PROCESSOR_DEFAULT): New macro.
6672         * config/mn10300/mn10300.c (mn10300_processor): New variable.
6673         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6674         (mn10300_handle_option, mn10300_override_options): New functions.
6675         * config/mn10300/mn10300.opt: New file.
6676
6677 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
6678             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
6679
6680         PR tree-optimization/19903
6681         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
6682         that don't fit in their type after conversion.
6683
6684 2005-04-05  Uros Bizjak <uros@kss-loka.si>
6685
6686         PR target/20421
6687         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
6688         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
6689         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
6690         flag here. Implement using define_insn_and_split.
6691         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
6692         (frndintxf2_mask_pm_i387): New insn patterns.
6693         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
6694         Do not set ix86_optimize_mode_switching flag.
6695         (ceilsf2, ceildf2, ceilxf2): Same.
6696         (btruncsf2, btruncdf2, btruncxf2): Same.
6697         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
6698
6699 2005-04-05  Ian Lance Taylor  <ian@airs.com>
6700
6701         PR debug/9963
6702         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
6703         i386_pe_record_external_function.
6704         (i386_pe_record_external_function): Update declaration.
6705         * config/i386/winnt.c (struct extern_list): Add decl field.
6706         (i386_pe_record_external_function): Add decl parameter.
6707         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
6708         identifier.
6709         * config/i386/i386-protos.h (i386_pe_record_external_function):
6710         Update declaration.
6711
6712 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
6713
6714         * config/m68k/m68k-protos.h: Add a prototype for
6715         valid_dbcc_comparison_p_2.
6716         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
6717         extend_operator, const_uint32_operand, const_sint32_operand,
6718         general_src_operand, nonimmediate_src_operand,
6719         memory_src_operand, post_inc_operand, pre_dec_operand,
6720         pcrel_address): Move to predicates to predicates.md.
6721         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
6722         * config/m68k/m68k.md: Include predicates.md.
6723         * config/m68k/predicates.md: New.
6724
6725 2005-04-04  Roger Sayle  <roger@eyesopen.com>
6726
6727         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
6728
6729         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
6730
6731 2005-04-04  Ian Lance Taylor  <ian@airs.com>
6732
6733         * c-typeck.c (struct c_switch): Rename switch_stmt field to
6734         switch_expr.
6735         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
6736         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
6737         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
6738         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
6739         * c-common.c (c_do_switch_warnings_1): New static function broken
6740         out of c_do_switch_warnings.
6741         (c_do_switch_warnings): Call c_do_switch_warnings_1.
6742         (c_do_switch_expr_warnings): New function.
6743         * c-common.h (c_do_switch_expr_warnings): Declare.
6744
6745 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
6746             Daniel Jacobowitz  <dan@codesourcery.com>
6747
6748         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
6749         trapping divide.
6750         * rtlanal.c (may_trap_p): Same.
6751
6752 2005-04-04  Dale Johannesen  <dalej@apple.com>
6753
6754         * ChangeLog:  remove reference to ChangeLog.12.
6755
6756 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
6757
6758         CRIS epilogue as RTL.
6759         * config/cris/cris.md: Change all 0 in unspec 0 to
6760         CRIS_UNSPEC_PLT.
6761         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
6762         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
6763         patterns.
6764         ("return"): Change to define_expand.  Call cris_expand_return for
6765         actual expansion.
6766         ("*return_expanded"): New pattern.
6767         ("epilogue"): New define_expand.
6768         * config/cris/cris.h (PREDICATE_CODES): Add
6769         cris_load_multiple_op.
6770         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
6771         type.
6772         (enum cris_retinsn_type): New.
6773         (struct machine_function): New member return_type.
6774         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
6775         (cris_target_asm_function_epilogue): Remove, moving RTLified
6776         contents to...
6777         (cris_expand_epilogue): New function.
6778         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
6779         (cris_gen_movem_load, cris_load_multiple_op)
6780         (cris_return_address_on_stack_for_return, cris_expand_return): New
6781         functions.
6782         (cris_target_asm_function_prologue)
6783         (cris_initial_frame_pointer_offset): Call
6784         cris_reg_saved_in_regsave_area instead of complicated expression.
6785         Call cris_return_address_on_stack instead of an expression.
6786         (cris_print_operand) <case 'o', case 'O'>: New cases.
6787         (cris_return_address_on_stack): Change return-type to bool.
6788         (cris_simple_epilogue): Ditto.  Return false if registers are
6789         saved.
6790         * config/cris/cris-protos.h (cris_simple_epilogue)
6791         (cris_return_address_on_stack): Adjust prototype return type.
6792         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
6793         (cris_return_address_on_stack_for_return): New prototypes.
6794
6795 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
6796
6797         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
6798         gpr_or_int12_operand.
6799
6800         * config/frv/frv-protos.h: Add a prototype to
6801         frv_legitimate_memory_operand and frv_const_unspec_p.
6802         (frv_unspec): Move from frv.c.
6803         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
6804         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
6805         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
6806         gpr_or_fpr_operand, gpr_or_int12_operand,
6807         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
6808         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
6809         int6_operand, int5_operand, uint5_operand, uint4_operand,
6810         uint1_operand, int_2word_operand, uint16_operand,
6811         upper_int16_operand, integer_register_operand,
6812         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
6813         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
6814         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
6815         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
6816         move_destination_operand, movcc_fp_destination_operand,
6817         frv_function_symbol_referenced_p, move_source_operand,
6818         condexec_dest_operand, condexec_source_operand,
6819         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
6820         const_unspec_operand, gpr_or_memory_operand,
6821         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
6822         icc_operand, fcc_operand, cc_operand, icr_operand,
6823         fcr_operand, cr_operand, call_operand, sibcall_operand,
6824         symbolic_operand, relational_operator,
6825         integer_relational_operator, float_relational_operator,
6826         ccr_eqne_operator, minmax_operator,
6827         condexec_si_binary_operator, condexec_si_media_operator,
6828         condexec_si_divide_operator, condexec_si_unary_operator,
6829         condexec_sf_conv_operator, condexec_sf_add_operator,
6830         condexec_memory_operand, intop_compare_operator, acc_operand,
6831         even_acc_operand, quad_acc_operand, accg_operand: Move to
6832         predicates.md.
6833         * config/frv/frv.h (PREDICATE_CODES): Remove.
6834         * config/frv/frv.md: Include predicates.md.
6835         * config/frv/predicates.md: New.
6836
6837 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
6838
6839         PR target/19537
6840         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
6841         * tree-ssa-loop-ivopts.c: Include langhooks.h.
6842         (add_standard_iv_candidates_for_size): New function, extracting code
6843         from add_standard_iv_candidates and parameterizing it by type size.
6844         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
6845
6846 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
6847
6848         * system.h (GCOV_SIZE_TYPE): Unposion.
6849         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
6850         (GCOV_TYPE_SIZE): ...this new macro.
6851         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
6852         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
6853         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
6854         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
6855         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
6856         instead of unsigned_intSI_type_node.
6857         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
6858         (rtl_gen_one_value_profiler_no_edge_manipulation)
6859         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
6860         * value-prof.c: Include coverage.h.
6861
6862 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
6863             Diego Novillo <dnovillo@redhat.com>
6864
6865         Fix PR tree-optimization/20703
6866         Fix PR tree-optimization/20725
6867
6868         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
6869         (create_expression_by_pieces): Ditto.
6870         (valid_in_set): Ditto. Also handle tcc_declaration.
6871         (find_or_generate_expression): Handle comparison class.
6872         (insert_into_preds_of_block): Ditto.
6873         (insert_aux): Ditto.
6874         (create_value_expr_from): Handle comparison class, recursively
6875         handle reference nodes.
6876         (compute_avail): Handle comparison classes, rewrite a little cleaner.
6877         (execute_pre): Fix spacing.
6878         (do_fre): Renamed to execute_fre.
6879
6880 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6881
6882         * doc/invoke.texi (SPARC options): Document that
6883         -mlittle-endian is not supported on Linux either.
6884
6885 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6886
6887         PR target/4198
6888         PR target/12027
6889         * config.gcc (Obsolete configurations): Remove
6890         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
6891         (sparclite-*-coff*): Delete.
6892         (sparclite-*-elf*): Likewise.
6893         (sparc86x-*-elf*): Likewise.
6894         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
6895         * config/sparc/lite.h: Delete.
6896         * config/sparc/litecoff.h: Likewise.
6897         * config/sparc/liteelf.h: Likewise.
6898         * config/sparc/sp86x-elf.h: Likewise.
6899         * config/sparc/t-sparclite: Likewise.
6900         * config/sparc/t-sp86x: Likewise.
6901
6902 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
6903
6904         * config/s390/s390-protos.h: (s390_comparison,
6905         s390_alc_comparison, s390_slb_comparison, const0_operand,
6906         consttable_operand, larl_operand, s_operand,
6907         shift_count_operand, bras_sym_operand, load_multiple_operation,
6908         store_multiple_operation, s390_plus_operand): Remove prototypes.
6909         (s390_legitimate_address_without_index_p): New prototype.
6910         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
6911         to s390.h.
6912         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
6913         const0_operand, consttable_operand, larl_operand, s_operand,
6914         shift_count_operand, bras_sym_operand, load_multiple_operation,
6915         store_multiple_operation, s390_plus_operand): Move to
6916         predicates.md.
6917         (check_mode): Remove.
6918         (s390_branch_condition_mask): Remove 'static'. Move prototype to
6919         s390-protos.h.
6920         (s390_legitimate_address_without_index_p): New.
6921         * config/s390/s390.h (PREDICATE_CODES): Remove.
6922         * config/s390/s390.md: Include predicates.md.
6923         * config/s390/predicates.md: New.
6924
6925 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6926
6927         PR target/20446
6928         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
6929         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
6930         (NEED_INDICATE_EXEC_STACK): Define to 1.
6931         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
6932         (NEED_INDICATE_EXEC_STACK): Define to 1.
6933         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
6934         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
6935         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
6936         (pic_helper_emitted_p): New global.
6937         (emit_pic_helper): New function extracted from...
6938         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
6939         Do not call emit_pic_helper if delay_pic_helper is true.
6940         (sparc_expand_prologue): Pass 'false' to load_pic_register.
6941         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
6942         (sparc_file_end): New function.
6943
6944 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
6945
6946         * config/mcore/mcore-protos.h: Remove the prototypes for
6947         mcore_arith_reg_operand, mcore_general_movsrc_operand,
6948         mcore_general_movdst_operand, mcore_reload_operand,
6949         mcore_arith_J_operand, mcore_arith_K_operand,
6950         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
6951         mcore_arith_K_S_operand, mcore_arith_imm_operand,
6952         mcore_arith_any_imm_operand, mcore_arith_O_operand,
6953         mcore_literal_K_operand, mcore_addsub_operand,
6954         mcore_compare_operand, mcore_load_multiple_operation,
6955         mcore_store_multiple_operation, mcore_call_address_operand.
6956         Add a prototype for const_ok_for_mcore.
6957         * config/mcore/mcore.c (mcore_call_address_operand,
6958         mcore_general_movsrc_operand, mcore_general_movdst_operand,
6959         mcore_arith_reg_operand, mcore_reload_operand,
6960         mcore_arith_J_operand, mcore_arith_K_operand,
6961         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
6962         mcore_arith_M_operand, mcore_arith_imm_operand,
6963         mcore_arith_any_imm_operand, mcore_arith_O_operand,
6964         mcore_literal_K_operand, mcore_addsub_operand,
6965         mcore_compare_operand, mcore_load_multiple_operation,
6966         mcore_store_multiple_operation): Move to predicates.md.
6967         (const_ok_for_mcore): Export.
6968         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
6969         * config/mcore/mcore.md: Include predicates.md.
6970         * config/mcore/predicates.md: New.
6971
6972         * config/mcore/predicates.md: Fix a comment typo.
6973
6974 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
6975             Adrian Straetling  <straetling@de.ibm.com>
6976
6977         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
6978         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
6979         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
6980         attribute.
6981         ("imul"): Removed from "type" attribute.
6982         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
6983         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
6984         Changed type to imulsi.
6985         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
6986
6987 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
6988
6989         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
6990         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
6991         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
6992         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
6993         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
6994         (TARGET_SWITCHES, mcore_stack_increment_string)
6995         (TARGET_OPTIONS): Delete.
6996         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
6997         than *_BIT constants.
6998         (TARGET_8ALIGN): #undef old definition before redefining to 1.
6999         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
7000         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
7001         (mcore_override_options): Delete mcore_stack_increment code.
7002         Change use of M340_BIT to MASK_M340.
7003         * config/mcore/mcore.opt: New file.
7004
7005 2005-04-04  Ian Lance Taylor  <ian@airs.com>
7006
7007         * config/arm/arm.c (replace_symbols_in_block): Remove static
7008         function.
7009
7010 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
7011
7012         * config/fr30/fr30-protos.h: Remove the prototypes for
7013         stack_add_operand, add_immediate_operand,
7014         high_register_operand, low_register_operand, call_operand,
7015         di_operand, and nonimmediate_di_operand.
7016         * config/fr30/fr30.c (stack_add_operand,
7017         add_immediate_operand, high_register_operand,
7018         low_register_operand, call_operand, di_operand,
7019         nonimmediate_di_operand): Move to predicates.md.
7020         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
7021         * config/fr30/fr30.md: Include predicates.md.
7022         * config/fr30/predicates.md: New.
7023
7024         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
7025         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
7026         mcore_call_address_operand.
7027
7028         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
7029         general_movsrc_operand.
7030
7031 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
7032
7033         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
7034         after freeing.
7035
7036 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
7037
7038         PR target/14812
7039         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
7040         a negated value.
7041
7042 2005-04-04  Richard Henderson  <rth@redhat.com>
7043             Jakub Jelinek  <jakub@redhat.com>
7044
7045         PR rtl-optimization/16104
7046         * fold-const.c (fold_unary): Fix folding of vector conversions.
7047
7048 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
7049
7050         * config.gcc (xstormy16-*-elf): Set extra_options.
7051         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
7052         * config/stormy16/stormy16.opt: New file.
7053
7054 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
7055
7056         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
7057         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
7058         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
7059         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
7060         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
7061         (TARGET_UNIX_ASM): Delete.
7062         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
7063         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
7064         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
7065         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7066         * config/pdp11/pdp11.opt: New file.
7067
7068 2005-04-03  Roger Sayle  <roger@eyesopen.com>
7069             Alexandre Oliva  <aoliva@redhat.com>
7070
7071         PR c++/19199
7072         * fold-const.c (non_lvalue): Split tests into...
7073         (maybe_lvalue_p): New function.
7074         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
7075         C++ front-end prior to lowering into gimple form.
7076
7077 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7078
7079         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
7080         BUILT_IN_STRNCASECMP): New.
7081         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
7082         and strndup.
7083
7084 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
7085
7086         PR target/14812
7087         * arm.md (addsi3_compare0_for_combiner): Delete.
7088         (addsi3_compare0_scratch_for_combiner): Delete.
7089         (cmpsi_neg_shiftsi): Delete.
7090         (compare_negsi_si): New pattern.
7091         (cmpsi_negshiftsi_si): New pattern.
7092         (negated_cbranchsi4): Restrict to equality_operator.
7093
7094         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
7095         template.
7096
7097 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
7098
7099         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
7100         Fix comment typos.
7101
7102         * doc/install.texi: Fix a typo.
7103
7104 2005-04-03  Steven Bosscher  <stevenb@suse.de>
7105
7106         PR middle-end/20648
7107         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
7108         a computed goto if the edge to the computed goto block has
7109         incoming abnormal edges.  Clarify how the function works.
7110
7111 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
7112
7113         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
7114         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
7115         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
7116         hash_scan_set, reg_set_between_after_reload_p,
7117         reg_used_between_after_reload_p, get_avail_load_store_reg,
7118         eliminate_partially_redundant_load): Likewise.
7119         * postreload.c (reload_cse_simplify_set,
7120         reload_combine_note_use): Likewise.
7121         * predict.c (predict_insn, expected_value_to_br_prob,
7122         propagate_freq, expensive_function_p): Likewise.
7123         * print-rtl.c (print_rtx): Likewise.
7124         * profile.c (instrument_edges, instrument_values,
7125         compute_branch_probabilities, branch_prob, union_groups,
7126         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
7127         * protoize.c (in_system_include_dir, file_could_be_converted,
7128         file_normally_convertible, gen_aux_info_file, seek_to_line,
7129         do_cleaning): Likewise.
7130         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
7131         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
7132         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
7133
7134 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
7135
7136         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
7137         * modulo-sched.c (undo_replace_buff_elem): New structure.
7138         (kernel_number_of_cycles, ps_unschedule_node,
7139         undo_generate_reg_moves,free_undo_replace_buff,
7140         undo_permute_partial_schedule,  loop_single_full_bb_p,
7141         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
7142         build_loops_structure, get_sched_window): New.
7143         (generate_reg_moves): Return undo_replace_buff_elem and other
7144         fixes.
7145         (generate_prolog_epilog): Remove old loop versioning.
7146         (sms_schedule): Use loop information and loop_version.
7147         (sms_schedule_by_order): Split part of it to get_sched_window.
7148         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
7149         cfg_layout_finalize and free_dominance_info before/after SMS.
7150
7151 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
7152
7153         * cfghooks.c (lv_flush_pending_stmts,
7154         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
7155         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
7156         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
7157         lv_add_condition_to_bb,
7158         lv_adjust_loop_header_phi, extract_cond_bb_edges,
7159         flush_pending_stmts): New in cfg_hooks structure.
7160         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
7161         extract_cond_bb_edges, lv_adjust_loop_header_phi,
7162         lv_add_condition_to_bb): New declarations.
7163         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
7164         bool.
7165         (loop_version): Declare.
7166         * cfgloopmanip.c (cfghooks.h): Include.
7167         (duplicate_loop_to_header_edge): Change return type to bool.
7168         (loop_version, lv_adjust_loop_entry_edge): Move here.
7169         * cfgrtl.c (cfgloop.h): Include.
7170         (rtl_verify_flow_info_1): Fix.
7171         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
7172         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
7173         initialization.
7174         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
7175         tree_lv_add_condition_to_bb): New.
7176         (tree_cfg_hooks): Add new hooks to initialization.
7177         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
7178         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
7179
7180 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
7181
7182         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
7183         xstormy16_below100_or_register,
7184         xstormy16_splittable_below100_or_register, and
7185         nonimmediate_nonstack_operand.
7186
7187         * config/stormy16/stormy16-protos.h: Remove the prototypes for
7188         xstormy16_ineqsi_operator, equality_operator,
7189         inequality_operator, shift_operator,
7190         xstormy16_below100_operand, xstormy16_below100_or_register,
7191         xstormy16_splittable_below100_or_register,
7192         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
7193         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
7194         equality_operator, inequality_operator,
7195         xstormy16_below100_operand, xstormy16_below100_or_register,
7196         xstormy16_splittable_below100_or_register,
7197         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
7198         nonimmediate_nonstack_operand, shift_operator): Move to
7199         predicates.md.
7200         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
7201         * config/stormy16/stormy16.md: Include predicates.md.
7202         * config/stormy16/predicates.md: New.
7203
7204 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
7205
7206         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
7207         small_int, large_int, reg_or_0_operand, simple_memory_operand,
7208         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
7209         move_operand, power_of_2_operand): Move to predicates.md.
7210         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
7211         PREDICATE_CODE): Remove.
7212         * config/iq2000/iq2000.md: Include predicates.md.
7213         * config/iq2000/predicates.md: New.
7214
7215 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
7216
7217         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
7218         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
7219         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
7220         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
7221         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
7222         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
7223         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
7224         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
7225         (TARGET_M68HC11): Delete.
7226         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
7227         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
7228         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
7229         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
7230         (nb_soft_regs): Delete.
7231         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
7232         (m68hc11_override_options): Remove the code that caters for MASK_M6811
7233         and MASK_M6812 being set simultaneously.  Change the code that sets
7234         the default m68hc11_soft_reg_count to use integers instead of strings.
7235         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
7236         m68hc11_soft_reg_count (which now has an int type) as the number
7237         of soft registers.
7238         * config/m68hc11/m68hc11.opt: New file.
7239
7240 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
7241
7242         * config/fr30/fr30.h (PREDICATE_CODES): Remove
7243         fp_displacement_operand, sp_displacement_operand.
7244
7245         * config/m68hc11/m68hc11-protos.h: Add a prototype for
7246         m68hcc_auto_inc_p.
7247         Remove the prototypes for tst_operand, cmp_operand,
7248         stack_register_operand, d_register_operand,
7249         hard_addr_reg_operand, splitable_operand,
7250         m68hc11_logical_operator, m68hc11_arith_operator,
7251         m68hc11_non_shift_operator, m68hc11_shift_operator,
7252         m68hc11_unary_operator, m68hc11_eq_compare_operator,
7253         non_push_operand, hard_reg_operand, and
7254         reg_or_some_mem_operand.
7255         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
7256         extern.
7257         (tst_operand, cmp_operand, non_push_operand,
7258         splitable_operand, reg_or_some_mem_operand,
7259         stack_register_operand, d_register_operand,
7260         hard_addr_reg_operand, hard_reg_operand,
7261         m68hc11_eq_compare_operator, m68hc11_logical_operator,
7262         m68hc11_arith_operator, m68hc11_non_shift_operator,
7263         m68hc11_shift_operator, m68hc11_unary_operator): Move to
7264         predicates.md.
7265         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
7266         * config/m68hc11/m68hc11.md: Include predicates.md.
7267         * config/m68hc11/predicates.md: New.
7268
7269 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
7270
7271         PR debug/19345
7272         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
7273         change checked in along with 2005-03-03's patch for debug/20253.
7274         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
7275         (remap_decl): Insert type decl in map earlier.
7276
7277 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
7278
7279         PR tree-optimization/20640
7280         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
7281         post-dominator if it has phi nodes.
7282         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
7283         before dead statements.
7284
7285 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
7286
7287         PR middle-end/20491
7288         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
7289
7290 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
7291
7292         PR rtl-optimization/20290
7293         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
7294         in every iteration if the entry point is the exit test.
7295
7296 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
7297
7298         * config/cris/cris.md (attribute "length"): Define.
7299
7300 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
7301
7302         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
7303         (word_offset_memref_operand): New.
7304         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
7305         (indexed_or_indirect_operand): Delete.
7306         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
7307         (indexed_or_indirect_operand): Delete.
7308
7309         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
7310
7311         PR 20650
7312         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
7313         a register.
7314
7315         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
7316         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
7317
7318 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
7319
7320         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
7321
7322 2005-04-01  Ian Lance Taylor  <ian@airs.com>
7323
7324         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
7325         (rus, prus): Remove static variables.
7326         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
7327         (process_command): Permit report_times and use_pipes together.
7328
7329 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
7330
7331         * c-decl.c (validate_proto_after_old_defn): Look at
7332         TYPE_MAIN_VARIANT of argument types.
7333
7334 2005-04-01  Paul Brook  <paul@codesourcery.com>
7335
7336         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
7337         (arm_output_function_epilogue): Allow call_via_SP.
7338         (thumb_call_via_reg, arm_file_end): Ditto.
7339         * config/arm/arm.h (struct machine_function): Include space for SP.
7340         (thumb_call_via_label): Update declaration.
7341
7342 2005-04-01  Ian Lance Taylor  <ian@airs.com>
7343
7344         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
7345         doing a peephole optimization, once again put any notes in the
7346         proper position.
7347
7348 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7349
7350         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
7351
7352 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
7353
7354         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
7355         (block_alloc, find_free_reg): Likewise.
7356         * loop-doloop.c (doloop_modify): Likewise.
7357         * loop-invariant.c (record_use): Likewise.
7358         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
7359         get_iv_value, canon_condition, eliminate_implied_condition,
7360         eliminate_implied_condition, simplify_using_initial_values,
7361         shorten_into_mode, canonicalize_iv_subregs,
7362         iv_number_of_iterations): Likewise.
7363         * loop-unroll.c (expand_var_during_unrolling): Likewise.
7364         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
7365         unswitch_loop): Likewise.
7366         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
7367         move_movables, replace_call_address, find_and_verify_loops,
7368         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
7369         record_giv, final_giv_value, general_induction_var,
7370         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
7371         loop_giv_dump): Likewise.
7372
7373         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
7374         GCOV_CHECK_WRITING): Remove.
7375         (gcov_position, gcov_rewrite): Use gcc_assert.
7376         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
7377         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
7378         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
7379         gcc_assert.
7380
7381 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7382
7383         * tree-inline.c: Fix a typo.
7384
7385 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
7386
7387         * configure.ac (enable-checking): Explicitly set all variables for
7388         collective switch values.  Alphabetize variables. Rename
7389         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
7390         synonym for 'no'.
7391         * doc/install.texi (enable-checking): Update documentation.
7392         * configure: Rebuilt.
7393
7394 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7395
7396         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
7397         possible.
7398
7399 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
7400
7401         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
7402         Also reject cases where this pattern will cause load delay stalls
7403         unless optimizing for size and it will produce a shorter sequence.
7404         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
7405         variants to avoid pre-adjusting the base when possible.
7406
7407 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
7408
7409         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
7410         the frame and argument pointers.
7411         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
7412         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
7413         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
7414         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
7415         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
7416         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
7417
7418 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
7419
7420         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
7421         with entry for selectany attribute.
7422         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
7423         Declare.
7424         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
7425         (i386_pe_asm_named_section): Handle sections generated by
7426         selectany attribute.
7427         * doc/extend.texi (selectany): Document attribute.
7428
7429 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
7430             Jan Hubicka  <jh@suse.cz>
7431
7432         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
7433         to fix addresses involving EBP and ESP.
7434         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
7435         for SUBREGed registers.
7436         (legitimate_address_p): Accept SUBREGed registers.
7437
7438 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
7439
7440         PR c++/19406
7441         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
7442         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
7443         for FIELD_DECLs.
7444
7445 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7446
7447         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
7448
7449 2005-04-01  James E Wilson  <wilson@specifixinc.com>
7450
7451         PR c++/20505
7452         * dwarf2out.c (rtl_for_decl_init): New function.
7453         (rtl_for_decl_location): Extracted from here.
7454         (tree_add_const_value_attribute): Call rtl_for_decl_init and
7455         add_const_value_attribute.  Delete initializer_constant_valid_p call.
7456
7457 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7458
7459         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
7460         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
7461         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
7462         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
7463         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
7464         config/i386/i386.md, config/rs6000/predicates.md,
7465         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
7466         config/s390/s390.c, config/stormy16/stormy16.c,
7467         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
7468         typos.
7469
7470 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
7471
7472         PR c/17855
7473         * gimplify.c (gimplify_expr): Create a temporary for lvalue
7474         COND_EXPR and CALL_EXPR.
7475
7476 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
7477
7478         PR target/20632
7479         * genautomata.c (first_cycle_unit_presence): Check all alternative
7480         states for unit presence.
7481
7482         * doc/md.texi: Remove remark about impossibility to query unit
7483         presence in non nondeterministic automaton state.
7484
7485         * config/ia64/ia64.c (get_template): Change order of unit querying.
7486
7487 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
7488
7489         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
7490         obsolete comment.
7491
7492 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
7493
7494         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
7495         flag for edges outside any loops.
7496
7497 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
7498
7499         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
7500
7501 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
7502
7503         * tree-ssa-alias.c: Follow spelling conventions.
7504         * doc/tree-ssa.texi: Fix a typo.
7505
7506 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
7507
7508         * postreload-gcse.c: Include target.h.
7509         (gcse_after_reload_main): Return early if we cannot modify jumps.
7510         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
7511
7512 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
7513
7514         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
7515         expensive operations.
7516
7517 2005-03-31  Ian Lance Taylor  <ian@airs.com>
7518
7519         * collect2.c (lderrout): New variable.
7520         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
7521         if it is set, to stderr.
7522         (handler): Unlink lderrout if it is set.
7523         (dump_file): Add "to" parameter.  Change all callers.
7524         (main): Initialize lderrout.
7525         (collect_execute): Add errname parameter.  Change all callers.
7526         Rename redir parameter to outname.  Never pass
7527         PEX_STDERR_TO_STDOUT to pex_run.
7528         * collect2.h (collect_execute, dump_file): Update declarations.
7529         * tlink.c (tlink_execute): Add errname parameter.  Change all
7530         callers.
7531         (do_tlink): Check lderrout as well as ldout.
7532
7533 2005-03-31  Caroline Tice  <ctice@apple.com>
7534
7535         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
7536         (bb-reorder.o): Add errors.h to list of requirements.
7537         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
7538         profiledbootstrap flags.
7539         * bb-reorder.c (errors.h): Add new include.
7540         (struct bbro_basic_block_data_def): Add new field, in_trace.
7541         (add_unlikely_executed_notes):  Remove function.
7542         (mark_bb_for_unlikely_executed_section): Remove function.
7543         (insert_section_boundary_note): New function.
7544         (verify_hot_cold_block_grouping): New function.
7545         (push_to_next_round_p): Remove variables and tests that push all
7546         cold blocks to last round.
7547         (find_traces): Remove code that added extra round of trace finding
7548         when doing partitioning.
7549         (find_traces_1_round) :  Remove variable last_round;  add code to
7550         update new struct field, in_trace; correct trace_length where it was
7551         incorrect before (after call to copy_bb); change code that pushed all
7552         cold blocks to last round. Instead verify that all blocks going into
7553         a trace belong in the same partition.
7554         (connect_traces): Modify to connect the traces in two passes, if the
7555         function contains both hot and cold blocks.  The first pass connects
7556         all the traces for blocks in the partition that the first block in
7557         the function belongs to; the second pass connnects all the traces
7558         containing blocks that belong in the other partition.
7559         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
7560         code that automatically put the first block in a function into the
7561         hot partition if the function had any hot blocks.
7562         (fix_crossing_unconditional_branches): Check number of succ edges
7563         before attempting to get one.
7564         (fix_edges_for_rarely_executed_code):  Update comment describing
7565         function.
7566         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
7567         remove call to add_unlikely_executed_notes; add call to
7568         verify_hot_cold_block_grouping.
7569         (duplicate_computed_gotos): Don't change computed goto if it's a
7570         crossing edge.
7571         (partition_hot_cold_basic_blocks):  Update function comment.
7572         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
7573         condition.
7574         (try_forward_edges): Likewise.
7575         (merge_blocks_move_predecessor_nojumps): Likewise.
7576         (merge_blocks_move_successor_nojumps): Likewise.
7577         (merge_blocks_move): Likewise.
7578         (try_crossjump_bb): Likewise.
7579         * cfglayout.c (update_unlikely_executed_notes): Remove function.
7580         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
7581         notes to cold bb's; remove call to update_unlikely_executed_notes.
7582         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
7583         NOTE_INSN_SWITCH_TEXT_SECTIONS.
7584         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
7585         function declaration.
7586         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
7587         from consideration.
7588         (rtl_can_merge_blocks): Remove redundancy from condition.
7589         (try_redirect_by_replacing_jump): Likewise.
7590         (force_nonfallthru_and_redirect): Remove code for adding
7591         UNLIKELY_EXECUTED_CODE notes to cold bb's.
7592         (commit_one_edge_insertion): Likewise.
7593         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
7594         * dbxout.c (FORCE_TEXT): Replace function_section with
7595         current_function_section.
7596         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
7597         function, switch_text_section.
7598         (struct xcoff_debug): Likewise.
7599         (dbxout_function_end): Add code to put out label diffs for both
7600         hot and cold sections.
7601         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
7602         for new debug_hooks funciton, switch_text_section..
7603         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
7604         switch_text_section.
7605         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
7606         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
7607         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
7608         dw_fde_switched_sections.
7609         (output_call_frame_info):  Add test to see if function switches text
7610         sections in the middle; if so, use appropriate extra hot and cold
7611         section labels to compute size deltas for the hot and cold sections.
7612         (dwarf2out_begin_prologue): Add code to initialize new fields in
7613         dw_fde_struct.
7614         (dwarf2out_switch_text_section): New function (invoked through
7615         debug_hook); updates new fields in dw_fde_struct appropriately and
7616         increments separate_line_info_table_in_use.
7617         (dwarf2_debug_hooks): Initialize switch_text_section function to be
7618         dwarf2out_switch_text_section.
7619         (struct var_loc_node): Add new field, section_label.
7620         (output_aranges): Add code to check whether in hot or cold section and
7621         use the appropriate label in calculating deltas.
7622         (output_ranges): Likewise.
7623         (output_line_info): Add code to check which section we're in and
7624         use appropriate hot/cold label.
7625         (add_location_or_constant_value_attribute): Likewise.
7626         (gen_subprogam_die): Modify arange attributes to use correct labels.
7627         (dwarf2out_begin_block): Change call to function_section into call to
7628         current_function_section.
7629         (dwarf2out_end_block): Likewise.
7630         (dwarf2out_source_line): Likewise.
7631         (dwarf2out_var_location): Add code to check whether in hot or cold
7632         section and use the appropriate label.
7633         * except.c (output_function_exception_table): Change call to
7634         function_section into call to current_function_section.
7635         * final.c (profile_function): Likewise.
7636         (scan_ahead_for_unlikely_executed_note): Remove function.
7637         (final_scan_insn):  Remove calls to
7638         scan_ahead_for_unlikely_executed_note, and related code for switching
7639         to cold section, except for the single time
7640         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
7641         debug_hooks->switch_text_sections; replace appropriate calls to
7642         function_section with calls to current_function_section.
7643         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
7644         test_bb to condition.
7645         (find_if_case_2): Likewise.
7646         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
7647         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
7648         * opts.c (decode_options): Change warning about hot/cold partitioning
7649         with exceptionss to inform (so as not to cause bootstrap failures);
7650         remove warning about partitioning with DWARF debug info.
7651         * output.h (current_function_section): Add new function decl.
7652         (insert_section_boundary_note): Likewise.
7653         (enum in_section): Move this declaration here from varasm.c.
7654         (unlikely_section_label): Likewise.
7655         (unlikely_text_section_name): Likewise.
7656         (last_text_section_name): New global variable.
7657         (last_text_section): Likewise.
7658         (hot_section_label): Likewise.
7659         (hot_section_end_label): Likewise.
7660         (cold_section_end_label): Likewise.
7661         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
7662         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
7663         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
7664         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
7665         insn from consideration.
7666         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
7667         switch_text_section.
7668         * varasm.c (basic-block.h): Add new include.
7669         (unlikely_section_label_printed): Remove global variable.
7670         (unlikely_section_label): Make global variable not be static any more.
7671         (unlikely_text_section_name): Likewise.
7672         (hot_section_end_label): New global variable (not static)
7673         (first_function_block_is_cold): Likewise.
7674         (hot_section_label): Likewise.
7675         (cold_section_end_label): Likewise..
7676         (last_text_section): New global variable, not static.
7677         (last_text_section_name): New global variable, not static.
7678         (initialize_cold_section_name): New function.
7679         (enum in_section): Move declaration to output.h.
7680         (text_section): Update last_text_section.
7681         (unlikely_text_section): Replace code to determine cold section name
7682         with call to initialize_cold_section_name; Add code to update
7683         last_text_section; remove code for printing out label.
7684         (named_section_real): Add code to update last_text_section and
7685         last_text_section_name as appropriate.
7686         (function_section): Change test for 'unlikely' to depend on
7687         first_function_block_is_cold (moved old test to
7688         current_function_section).
7689         (current_function_section): New function.
7690         (assemble_start_function): Move code that frees
7691         unlikely_text_section_name; initialize hot_section_end_label;
7692         print hot and cold section labels at the start of the function;
7693         set first_function_block_is_cold, if appropriate; initialize l
7694         ast_text_section; add call to insert_section_boundary_note.
7695         (assemble_end_function):  Add code to write out hot and cold section
7696         end labels.
7697         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
7698         switch_text_section.
7699         * config/darwin.c (machopic_select_section): Replace incorrect
7700         function in base_funs; update reloc for cold sections if necessary.
7701         * config/darwin.h (SECTION_FUNCTION):  Add code to update
7702         last_text_section if appropriate.
7703         (text_unlikely_section): Remove.
7704         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
7705         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
7706         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
7707         partitioning for this architecture.
7708
7709 2005-03-31  Olivier Hainque  <hainque@adacore.com>
7710
7711         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
7712         defined and non-zero.
7713
7714 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
7715
7716         PR c++/18644
7717         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
7718         semantics.
7719
7720 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
7721
7722         PR target/20611
7723         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
7724         label operand.  Remove (use (unspec..)).  Don't emit a label on
7725         the offset word.
7726         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
7727         generate inline label for load_toc_v4_PIC_1b.
7728         (rs6000_emit_load_toc_table): Likewise.
7729
7730 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
7731
7732         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
7733         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
7734
7735 2005-03-29  Devang Patel  <dpatel@apple.com>
7736
7737         * tree-sra.c (decide_block_copy): Disable scalarization of
7738         sub-elements.
7739
7740 2005-03-30  Stuart Hastings  <stuart@apple.com>
7741             Dale Johannesen  <dalej@apple.com>
7742
7743         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
7744         * print-tree.c (print_node):  Add case STATEMENT_LIST.
7745
7746 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
7747
7748         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
7749         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
7750         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
7751         is given with "powerpc64*" or "all", or when --with-cpu chooses
7752         a 64-bit cpu.
7753
7754 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
7755
7756         PR debug/20268
7757         * dwarf2out.c (add_high_low_attributes): New function, extracted from
7758         gen_lexical_block_die.
7759         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
7760
7761 2005-03-31  Jan Hubicka  <jh@suse.cz>
7762
7763         2004-11-02  Jan Hubicka  <jh@suse.cz>
7764
7765         * cgraph.c (cgraph_varpool_node_name): New function.
7766         (dump_cgraph_varpool_node): New function.
7767         (dump_varpool): New function.
7768         * cgraphunit.c (cgraph_optimize): Dump varpool.
7769
7770         2004-10-16  Jan Hubicka  <jh@suse.cz>
7771
7772         * cgraph.c (decide_is_variable_needed): New function.
7773         (cgraph_varpool_finalize_decl): Use it.
7774         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
7775         unit-at-a-time.
7776         * final.c (output_addr_const): Do not call mark_referenced.
7777         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
7778         always go via cgraph.
7779         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
7780         (check_global_declarations): Ifdef out code clearing DECL_RTL.
7781         * tree-optimize.c (execute_inline): Mark functions called.
7782         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
7783
7784         2004-10-11  Jan Hubicka  <jh@suse.cz>
7785
7786         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
7787         (cgraph_varpool_last_needed_node): New static variable.
7788         (enqueue_needed_varpool_node): Break out from ...; add items to the
7789         end of queue; update first pointers.
7790         (cgraph_varpool_mark_needed_node): ... here.
7791         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
7792         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
7793         * cgraph.h (cgraph_varpool_node): Add analyzed field.
7794         (cgraph_varpool_first_unanalyzed_node): Declare.
7795         * cgraphunit.c: Include output.h.
7796         (cgraph_varpool_analyze_pending_decls): New function.
7797         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
7798         for errors, analyze pending decls.
7799         (cgraph_finalize_compilation_unit): Only analyze decls.
7800         (cgraph_optimize): Assemble the decls after expanding.
7801
7802 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
7803
7804         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
7805         subvars get marked properly in tags for grouping.
7806         (add_pointed_to_var): Mark only actual pointed to
7807         variables/subvars in addresses needed.
7808         (create_overlap_variables_for): Clear call clobbered on original
7809         variable.
7810         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
7811         addresable vars with subvars into list.
7812         * tree-ssa.c (verify_ssa_name): Verify original is not used where
7813         subvar should be.
7814
7815 2005-03-30  Richard Henderson  <rth@redhat.com>
7816
7817         * cgraph.h (struct cgraph_node): Add alias.
7818         * varasm.c (assemble_alias): Set it.
7819         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
7820         avoid calling cgraph_expand_function.
7821
7822 2005-03-30  Tom Tromey  <tromey@redhat.com>
7823
7824         * tree.def (FILE_TYPE): Removed.
7825         * typeclass.h (enum type_class): Removed file_type_class.
7826         * dwarf2out.c (is_base_type): Updated.
7827         (gen_type_die): Likewise.
7828         * dbxout.c (dbxout_type): Updated.
7829         * builtins.c (type_to_class): Updated.
7830         * tree.c (type_contains_placeholder_1): Updated.
7831         * config/sparc/sparc.c (sparc_type_code): Updated.
7832         * config/ia64/ia64.c (hfa_element_mode): Updated.
7833         * expr.c (count_type_elements): Updated.
7834         * stor-layout.c (layout_type): Updated.
7835         * tree-inline.c (remap_type): Updated.
7836         * tree-pretty-print.c (dump_generic_node): Updated.
7837
7838 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
7839
7840         * builtins.c (expand_builtin_powi): Fix mode of
7841         2nd argument to match int.
7842         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
7843         2nd argument type to int.
7844         * libgcc2.c: Change prototype of __powi* functions to use
7845         int.
7846
7847 2005-03-30  Dale Johannesen  <dalej@apple.com>
7848
7849         PR middle-end/19225
7850         * calls.c (expand_call):  Flush pending deferrals before
7851         throwing call.
7852
7853 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
7854
7855         PR c/772
7856         PR c/17913
7857         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
7858         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
7859         c_label_context, label_context_stack): New.
7860         * c-decl.c (define_label): Check for jumps into statement
7861         expressions.  Add label to list of defined labels.
7862         (start_function): Push context on label_context_stack.
7863         (finish_function): Pop context from label_context_stack.
7864         * c-typeck.c (label_context_stack): New.
7865         (c_finish_goto_label): Check for jumps into statement
7866         expressions.  Add label to list of jumped to labels.
7867         (struct c_switch): Add blocked_stmt_expr.
7868         (c_start_case): Initialize it.
7869         (do_case): Check it.
7870         (c_finish_case): Verify !blocked_stmt_expr.
7871         (c_begin_stmt_expr):  Push context on label_context_stack.
7872         Increment blocked_stmt_expr.  Mark labels jumped to from outside
7873         as undefinable.
7874         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
7875         defined in the statement expression and no longer jumpable to.
7876         Mark labels jumped to from just outside the statement expression
7877         as again definable.  Pop context from label_context_stack.
7878         * doc/extend.texi (Statement Exprs): Update.
7879
7880 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
7881
7882         PR c/20368
7883         * c-decl.c (start_function): Check for old_decl being
7884         error_mark_node.
7885
7886 2005-03-30  Ian Lance Taylor  <ian@airs.com>
7887
7888         * final.c (final): Remove prescan parameter.  Change all callers.
7889         (final_scan_insn): Remove prescan parameter.  Change all callers.
7890
7891 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
7892
7893         * tree-vectorizer.c: Fix comment typos.
7894
7895 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
7896
7897         * tree-scalar-evolution.c (instantiate_parameters_1): Return
7898         as soon as a chrec_dont_know is detected.
7899
7900 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
7901
7902         Merge from csl-arm-branch.
7903         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
7904
7905         * tlink.c (recompile_files): Do not assume that "rename" can
7906         overwrite an existing file.
7907
7908 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
7909
7910         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
7911         * gcc/configure: Regenerate.
7912
7913 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
7914
7915         * doc/install.texi: Update binutils requirement for powerpc*-linux.
7916
7917         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
7918
7919         * calls.c (struct arg_data): Update "partial" comment.
7920         (load_register_parameters): Update "nregs" comment.
7921
7922 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7923
7924         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
7925         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
7926         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
7927         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
7928         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
7929         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
7930         than target_flags & 0.
7931         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
7932         (iq2000_arch, iq2000_parse_cpu): Delete.
7933         (TARGET_HANDLE_OPTION): Override default.
7934         (iq2000_handle_option): New function.
7935         (override_options): Remove -march= and -mcpu= handling.
7936         * config/iq2000/iq2000.opt: New file.
7937
7938 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7939
7940         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
7941         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
7942         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
7943         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
7944         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
7945         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
7946         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
7947         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
7948         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
7949         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
7950         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
7951         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
7952         (c4x_rpts_cycles_string, c4x_cpu_version_string)
7953         (TARGET_OPTIONS): Delete.
7954         (c4x_rpts_cycles, c4x_cpu_version): Declare.
7955         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
7956         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
7957         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
7958         (c4x_cpu_version_string): Delete.
7959         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7960         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
7961         equivalent -mcpu= option.
7962         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
7963         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
7964         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
7965         or clearing the appropriate MASK_* bit.
7966         (c4x_file_start): Use c4x_cpu_version.
7967         * config/c4x/c4x.opt: New file.
7968
7969 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7970
7971         * doc/options.texi: Document the new MaskExists flag.
7972         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
7973         if the option has the MaskExists flag.
7974
7975 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7976
7977         * opt-functions.awk (flag_set_p, test_flag): New functions.
7978         (switch_flags): Use them.
7979         * opth-gen.awk: Use flag_set_p to check for flags.
7980         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
7981
7982 2005-03-30  Ian Lance Taylor  <ian@airs.com>
7983
7984         * config.host (i[34567]86-*-mingw32*): Don't set
7985         host_can_use_collect2 to no.
7986
7987 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
7988
7989         PR target/20203
7990         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
7991         Remove convert_memory_address call duplicating that in memory_address.
7992
7993 2005-03-29  Richard Henderson  <rth@redhat.com>
7994
7995         PR c/20519
7996         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
7997         (build_compound_literal): Likewise.  Propagate decl type into the
7998         initializer.
7999         (finish_decl): Likewise.  Use new return value from complete_array_type
8000         for zero sized arrays.
8001         (complete_array_type): Move ...
8002         * c-common.c (complete_array_type): ... here.  Change first argument
8003         to pointer-to-type-node.  Consistently use sizetype for the index
8004         except for zero sized arrays.  Detect zero sized arrays for pedantic
8005         mode diagnostics.  Create a new type node instead of modifying the
8006         old node in place.
8007         * c-tree.h (complete_array_type): Move decl ...
8008         * c-common.h (complete_array_type): ... here.
8009
8010 2005-03-29  Richard Henderson  <rth@redhat.com>
8011
8012         PR tree-opt/19108
8013         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
8014
8015 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
8016
8017         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
8018         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
8019         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
8020         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
8021
8022 2005-03-29  Eric Christopher  <echristo@redhat.com>
8023
8024         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
8025         truthvalue conversion removal.
8026
8027 2005-03-29  Ian Lance Taylor  <ian@airs.com>
8028
8029         PR bootstrap/14316
8030         * collect2.c: Never include <vfork.h>.
8031         (VFORK_STRING, vfork): Don't define.
8032         (pid): Remove global variable.
8033         (handler): Call raise instead of kill (getpid(), ...).
8034         (collect_wait): Add pex parameter.  Change all callers.  Use
8035         pex_get_status rather than pwait.
8036         (do_wait): Add pex parameter.  Change all callers.
8037         (collect_execute): Return struct pex_obj * rather than void.  Use
8038         pex routines rather than pexecute.
8039         (fork_execute): Get pex_obj from collect_execute, and pass it to
8040         do_wait.
8041         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
8042         Only declare quit_handler if SIGQUIT is defined.
8043         (scan_libraries): Likewise.
8044         * collect2.h (collect_execute): Update declaration.
8045         (collect_wait): Update declaration.
8046         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
8047         pass it to collect_wait.
8048
8049 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
8050
8051         PR c/20672
8052         * c-parser.c (c_parser_compound_statement_nostart): Give error
8053         message for EOF instead of just setting parser->error.
8054
8055 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
8056
8057         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
8058         (slpeel_update_phi_nodes_for_guard1): New function.
8059         (slpeel_update_phi_nodes_for_guard2): New function.
8060         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
8061         of slpeel_update_phi_nodes_for_guard.
8062         (vectorize_loops): Remove call to loop_closed_rewrite.
8063         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
8064         assertion.
8065
8066 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
8067
8068         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
8069         (TARGET_LITTLE_ENDIAN): New macro.
8070         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
8071         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
8072         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
8073         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
8074         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
8075         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
8076         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
8077         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
8078         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
8079         (TARGET_OPTIONS): Delete.
8080         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
8081         (CACHE_FLUSH_TRAP): Turn into an integer.
8082         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
8083         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
8084         -mflush-trap is in use.
8085         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
8086         (m32r_cache_flush_trap_string): Delete.
8087         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
8088         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
8089         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
8090         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8091         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
8092         -mmodel= and -msdata= handling from...
8093         (m32r_init): ...here.
8094         * config/m32r/m32r.opt: New file.
8095
8096 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
8097
8098         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
8099         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
8100         * tree-vect-analyze.c (vect_object_analysis): additional parm
8101         pass back a "struct ptr_info_def *" with the points-to info.
8102         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
8103         statement using info returned from vect_object_analysis.
8104         * tree-vect-transform.c (update_vuses_to_preheader): New function.
8105         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
8106         for virtual uses and defs when creating a replacement vector
8107         reference.  Call duplicate_ssa_name_ptr_info to define points-to
8108         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
8109         (vectorizable_store): copy_virtual_operands and update
8110         definition statements.
8111         (vectorizable_load): copy_virtual_operands.  Remove call to
8112         mark_call_clobbered_vars_to_rename for call to "const" builtin.
8113         * tree-vectorizer.c (vectorize_loops): Remove calls to
8114         rewrite_into_ssa and bitmap_clear (vars_to_rename).
8115         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
8116         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
8117         define macro STMT_VINFO_PTR_INFO for use in accessing.
8118         * tree.h add export of duplicate_ssa_name_ptr_info.
8119         * rs6000.c (altivec_init_builtins): Declare builtin function
8120         __builtin_altivec_mask_for_load to be "const".
8121
8122 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
8123
8124         PR middle-end/20622
8125         * cgraph.h (struct cgraph_varpool_node): Add alias field.
8126         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
8127         assemble_variable on aliases.
8128         * varasm.c (assemble_alias): Set node->alias.
8129         * toplev.c (wrapup_global_declarations): Don't call
8130         rest_of_decl_compilation on aliases again.
8131
8132 2005-03-29  Paul Brook  <paul@codesourcery.com>
8133
8134         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
8135         * config/arm/arm.c (arm_dbx_register_number): New function.
8136         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
8137
8138 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
8139
8140         PR middle-end/20263
8141         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
8142         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
8143
8144 2005-03-29  Dale Johannesen <dalej@apple.com>
8145
8146         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
8147         $(TREE_H) and $(COVERAGE_H).
8148         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
8149         * opts.c (common_handle_option): Enable tree-based value transforms.
8150         * toplev.c (process_options): Ditto.
8151         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
8152         refers to references to this type.
8153         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
8154         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
8155         for may_be_more, may_be_less.
8156         (rtl_gen_pow2_profiler): Adjust.
8157         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
8158         (rtl_gen_one_value_profiler): Adjust.
8159         (rtl_gen_const_delta_profiler): Adjust.
8160         * tree-profile.c (tree_gen_interval_profiler): Implement.
8161         (tree_gen_pow2_profiler): Ditto.
8162         (tree_gen_one_value_profiler): Ditto.
8163         (tree_profiling): New.
8164         (pass_tree_profile): Reference it.
8165         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
8166         tree.h, gcov-io.h.
8167         (insn_divmod_values_to_profile): Rename to
8168         rtl_divmod_values_to_profile. Adjust.
8169         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
8170         (insn_prefetch_values_to_profile): Adjust.
8171         (rtl_value_profile_transformations): Adjust.
8172         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
8173         (gen_mod_pow2): Rename to rtl_mod_pow2.
8174         (gen_mod_subtract): Rename to rtl_mod_subtract.
8175         (divmod_fixed_value_transform): Rename to
8176         rtl_divmod_fixed_value_transform.
8177         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
8178         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
8179         (rtl_find_values_to_profile): Adjust.
8180         (tree_value_profile_transformations): Implement.
8181         (tree_divmod_values_to_profile): New.
8182         (tree_values_to_profile): New.
8183         (tree_divmod_fixed_value): New.
8184         (tree_mod_pow2): New.
8185         (tree_mod_subtract): New.
8186         (tree_divmod_fixed_value_transform): New.
8187         (tree_mod_pow2_value_transform): New.
8188         (tree_mod_subtract_transform): New.
8189         (tree_find_values_to_profile): Implement.
8190         * profile.c (instrument_values):  Free histograms.
8191         (compute_value_histograms): Adjust. Implement tree version.
8192
8193 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
8194
8195         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
8196         * config/i386/i386.c (output_fix_trunc): Add new round_mode
8197         variable.  Output "fldcw" depending on round_mode.
8198         * config/i386/i386.md (UNSPEC_FIST): New.
8199         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
8200         New isns patterns to implement lrint and llrint built-ins as x87
8201         intrinsic function.
8202         (fistdi2, fist<mode>2 splitters): New splitters.
8203         (lrint<mode>2): New expanders.
8204
8205 2005-03-28  Ian Lance Taylor  <ian@airs.com>
8206
8207         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
8208         0 when calling final_scan_insn.
8209
8210 2005-03-28  Jan Hubicka  <jh@suse.cz>
8211
8212         PR middle-end/20635
8213         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
8214         as needed.
8215
8216         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
8217         types where possible.
8218
8219 2005-03-26  Per Bothner  <per@bothner.com>
8220
8221         Make -f[no-]show-column also control non-cpp diagnostics.
8222         * c.opt (fshow-column): Move option from here ...
8223         * common.opt (fshow-column): ... to here.
8224         * diagnostic.c (diagnostic_build_prefix): Only print column number
8225         if flag_show_column.
8226
8227 2005-03-27  Steven Bosscher  <stevenb@suse.de>
8228
8229         * vax-protos.h (vax_output_int_move, vax_output_int_add,
8230         vax_output_conditional_branch): New prototypes.
8231         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
8232         extracted from vax.md mov and add patterns.
8233         (vax_output_conditional_branch): New function to output conditional
8234         branch instructions.
8235         * vax.md: Use mode macros for arithmetic and mov patterns.
8236         Use code macros for the jump patterns.
8237
8238 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
8239
8240         * Makefile.in (libbackend.o): Depend on version files;
8241         add custom generation command.
8242
8243 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
8244
8245         PR target/20636
8246         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
8247         sure that we have a REG before getting its REGNO.
8248
8249 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8250
8251         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
8252         * builtins.def (BUILT_IN_STRNDUP): New.
8253
8254 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
8255
8256         PR tree-optimization/20470
8257         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
8258         ABS(x-y).
8259
8260 2005-03-25  Mike Stump  <mrs@apple.com>
8261
8262         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
8263         sized objects.
8264
8265 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
8266
8267         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
8268         Use our own structure definitions.
8269
8270         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
8271         (fix_truncdfsi2): Allow registers or memory as destination.
8272         When TARGET_PPC_GFXOPT, generate simplified pattern.
8273         (fix_truncdfsi2_internal): Use define_insn_and_split.
8274         (fix_truncdfsi2_internal_gfxopt): New.
8275         (fctiwz): Don't confuse register allocation by giving it no choices.
8276         (stfiwx): New.
8277         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
8278         (EXTRA_MEMORY_CONSTRAINT): Likewise.
8279         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
8280         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
8281
8282 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
8283
8284         * dominance.c (free_dominance_info): Speed up by freeing et
8285         data structures without maintaining other nodes.
8286         * et-forest.c (et_free_tree_force): New.
8287         * et-forest.h: Add a prototype for et_free_tree_force.
8288
8289         * tree.c (get_set_constructor_bits,
8290         get_set_constructor_bytes): Remove.
8291         * tree.h: Remove the corresponding prototypes.
8292
8293 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
8294
8295         PR target/15491
8296         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
8297         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
8298         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
8299         PRE_DEC, NEG and NOT.
8300
8301 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
8302
8303         * fold-const.c: Convert uses of fold (build (...)) to
8304         fold_buildN.
8305
8306 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
8307
8308         PR rtl-optimization/20249
8309         * cse.c (insert_regs): Do not record equivalence of registers in
8310         different modes.
8311
8312 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
8313
8314         * emit-rtl.c (reverse_comparison): Remove.
8315         * rtl.h: Remove the corresponding prototype.
8316
8317 2005-03-24  James E Wilson  <wilson@specifixinc.com>
8318
8319         * doc/install.texi (--enable-altivec): Delete docs.
8320
8321 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
8322
8323         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
8324         SFmode and DFmode before reload when
8325         flag_unsafe_math_optimizations not enabled.
8326
8327 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
8328
8329         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
8330
8331         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
8332         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
8333
8334 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
8335
8336         * configure.ac (enable-checking): Add 'runtime' option.
8337         * doc/install.texi (enable-checking): Document 'runtime' checking.
8338         * tsystem.h (gcc_assert, gcc_unreachable): Define.
8339         * config.in: Regenerated.
8340         * configure: Regenerated.
8341
8342 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
8343
8344         * optabs.h (enum optab_index): Remove OTI_llrint.
8345         (llrint_optab): Remove macro.
8346         * optabs.c (init_optabs): Remove llrint_optab initialization.
8347         * genopinit.c (optabs): Remove llrint_optab implementation.
8348         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
8349         using lrint_optab.
8350
8351 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
8352
8353         PR rtl-optimization/20532
8354         * simplify-rtx.c (simplify_binary_operation_1): Protect from
8355         overflow when adding coefficients for PLUS or MINUS.
8356         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
8357         two as multiplier.
8358
8359 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
8360
8361         * langhooks.h (truthvalue_conversion): Remove.
8362         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
8363         LANG_HOOKS_TRUTHVALUE_CONVERSION.
8364         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
8365         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
8366         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
8367
8368 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
8369
8370         * params.def: Fix a typo.
8371         * config/mips/mips.c: Follow the spelling convensions.
8372         * doc/invoke.texi: Fix typos.
8373
8374 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
8375
8376         Fix PR tree-optimization/20601
8377
8378         * tree-ssa-pre.c (insert_aux): Add missing condition to
8379         constification.
8380
8381 2005-03-23  Ian Lance Taylor  <ian@airs.com>
8382
8383         * final.c (final_scan_insn): Don't remove no-op instructions.
8384         * reload1.c (reload): Remove simple no-op instructions even when
8385         not optimizing.
8386
8387 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
8388
8389         PR tree-optimization/20501
8390         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
8391         reporting that peeling for alignment is applied moved to...
8392         * (vect_analyze_data_refs_alignment): Here.
8393
8394 2005-03-23  Ian Lance Taylor  <ian@airs.com>
8395
8396         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
8397
8398 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8399
8400         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
8401         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
8402
8403 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
8404
8405         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
8406         imply that this is called once, independent of asms in code.
8407         Adjust to now being pased output and input lists.  Mention helper
8408         function decl_overlaps_hard_reg_set_p.
8409         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
8410         hook_tree_tree_identity and to take three trees, returning third.
8411         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
8412         prototype.
8413         * stmt.c: include hard-reg-set.h before tree.h.
8414         (decl_overlaps_hard_reg_set_p): New function, broken out from...
8415         (decl_conflicts_with_clobbers_p): Call
8416         decl_overlaps_hard_reg_set_p.
8417         (expand_asm_operands): Pass output and input lists in call to
8418         targetm.md_asm_clobbers.
8419         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
8420         hook_tree_tree_tree_tree_3rd_identity.
8421         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
8422         parameters.
8423         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
8424         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
8425         parameters, first two unused.
8426         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
8427         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
8428         in constraint letters and MOF is not mentioned as a asm-declared
8429         register in neither of the input and output lists.
8430
8431 2005-03-23  DJ Delorie  <dj@redhat.com>
8432
8433         * optabs.c (expand_binop): Make sure the first subword's result
8434         gets stored.
8435
8436 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
8437
8438         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
8439         Call c_common_truthvalue_conversion rather than
8440         lang_hooks.truthvalue_conversion.
8441         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
8442         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
8443         c-typeck.c.
8444         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
8445         c_common_truthvalue_conversion.
8446         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
8447         c_parser_conditional_expression, c_parser_binary_expression): Call
8448         c_objc_common_truthvalue_conversion.
8449         * c-typeck.c (build_unary_op): Call
8450         c_objc_common_truthvalue_conversion.
8451         (build_conditional_expr): Do not call
8452         lang_hooks.truthvalue_conversion.
8453         (build_binary_op): Call c_common_truthvalue_conversion.
8454         (c_objc_common_truthvalue_conversion): Moved from
8455         c-objc-common.c.  Call default_function_array_conversion instead
8456         of default_conversion.
8457
8458 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
8459
8460         * c-common.h (default_conversion): Remove.
8461         (perform_integral_promotions): Add.
8462         * c-tree.h (default_conversion): Add.
8463         * c-typeck.c (perform_integral_promotions): New, split out from
8464         default_conversion.
8465         * c-common.c (check_case_value): Use perform_integral_promotions,
8466         not default_conversion.
8467         (c_add_case_label): Don't continue processing case label after
8468         found to be pointer.
8469
8470 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
8471
8472         * gcc.c (do_spec_1): Do not add a -L path for a directory in
8473         the prefix list if we have already added a multilib directory
8474         based on that path.
8475         (main): Do not add MD_EXEC_PREFIX to the list of directories to
8476         search with -L.
8477
8478 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
8479
8480         * reload1.c (indirect_symref_ok, reload_obstack): Make them
8481         static.
8482         * reload.h: Remove the prototype for indirect_symref_ok.
8483
8484         * reload1.c (indirect_symref_ok): Make it global.
8485         * reload.h: Add a prototype for indirect_symref_ok.
8486
8487 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
8488
8489         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
8490         ashlhi3 expander.
8491
8492 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
8493
8494         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
8495
8496 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
8497
8498         * c-opts.c (c_common_parse_file): Only start/end main source file
8499         if debug hooks says the writer wants it.
8500         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
8501         member.
8502         (xcoff_debug_hooks): Ditto.
8503         * debug.c (do_nothing_hooks): Ditto.
8504         * debug.h (gcc_debug_hooks): Ditto.
8505         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
8506         * sdbout.c (sdb_debug_hooks): Ditto.
8507         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
8508
8509 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
8510
8511         * doc/extend.texi: Deprecate C++ min/max operators.
8512
8513 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
8514
8515         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
8516         artificial original candidates.
8517
8518 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
8519             Jan Hubicka  <jh@suse.cz>
8520             Steven Bosscher <stevenb@suse.de>
8521
8522         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
8523         call cost based on argument sizes.
8524         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
8525         inlining.
8526         * params.def: (max-inline-inssn-single): Set to 450.
8527         (max-inline-insns-auto): Set to 90.
8528         (max-inline-insns-recursive): Set to 450
8529         (max-inline-insns-recursive-auto): Set to 450.
8530         (large-function-insns): Set to 2700.
8531         (inline-call-cost): New parameter.
8532         * tree-inline.c (estimate_move_cost): New function.
8533         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
8534         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
8535         based on arguments.
8536         * tree-inline.h (estimate_move_cost): Declare.
8537         * invoke.texi: (max-inline-inssn-single): Change default to 450.
8538         (max-inline-insns-auto): Change default to 90.
8539         (max-inline-insns-recursive): Change default to 450
8540         (max-inline-insns-recursive-auto): Change default to 450.
8541         (large-function-insns): Change default to 2700.
8542         (inline-call-cost): Document new parameter.
8543
8544 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
8545
8546         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
8547         (TARGET_DEFAULT): Delete.
8548         * config/i860/i860.opt: New file.
8549
8550 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
8551
8552         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
8553         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
8554         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
8555         (frv_sched_lookahead): Delete.
8556         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
8557         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
8558         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
8559         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
8560         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
8561         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
8562         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
8563         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
8564         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
8565         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
8566         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
8567         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
8568         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
8569         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
8570         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
8571         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
8572         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
8573         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
8574         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
8575         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
8576         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
8577         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
8578         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
8579         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
8580         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
8581         (frv_sched_lookahead): Delete.
8582         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
8583         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8584         (frv_handle_option): New function.  Move -mcpu= handling from...
8585         (frv_override_options): ...here.  Remove handling of other
8586         TARGET_OPTIONS.
8587         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
8588         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
8589         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
8590         and TARGET_NO_MULTI_CE.
8591         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
8592         !TARGET_VLIW_BRANCH.
8593         * config/frv/frv.opt: New file.
8594
8595 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
8596
8597         * fold-const.c (fold_ternary): Take decomposed arguments of
8598         CALL_EXPR.
8599         (fold): Update a call to fold_ternary.
8600
8601         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
8602         * tree.h: Add corresponding prototypes.
8603
8604 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
8605
8606         PR target/20561
8607         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
8608         between jump table and its label.
8609         * final.c (shorten_branches): Handle notes in between ADDR_VEC
8610         resp. ADDR_DIFF_VEC and the label preceeding it.
8611         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
8612         is emitted in the right section.
8613
8614 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
8615
8616         * fold-const.c (fold_unary, fold_binary): Update comments
8617         about arguments.
8618
8619 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
8620
8621         PR rtl-optimization/20527
8622         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
8623         REG_INC note, test that the register also isn't mentioned in PRED
8624         or SUCC.
8625
8626 2005-03-22  Ben Elliston  <bje@au.ibm.com>
8627
8628         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
8629         and definition.
8630
8631 2005-03-21  Mike Stump  <mrs@apple.com>
8632
8633         * varasm.c (default_assemble_visibility): Remove extra ().
8634
8635 2005-03-21  Roger Sayle  <roger@eyesopen.com>
8636
8637         PR middle-end/20557
8638         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
8639         to determine whether a block can be duplicated, rather than test
8640         whether the block contains noncopyable insns ourselves.
8641
8642 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8643
8644         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
8645         predicates.
8646
8647 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
8648
8649         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
8650
8651 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
8652
8653         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
8654         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
8655         * config/fr30/fr30.opt: New file.
8656
8657 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
8658
8659         Fix PR tree-optimization/20542
8660
8661         * tree-flow-inline.h (overlap_subvar): Move to here.
8662         * tree-ssa-operands.c: From here.
8663         * tree-flow.h (overlap_subvar): Declare.
8664         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
8665         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
8666         for variables with subvars.
8667
8668 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
8669
8670         PR middle-end/20177
8671         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
8672         * modulo-sched.c (const_iteration_count): Return on NULL
8673         pre-header.
8674         (print_node_sched_params): Return on NULL dump_file.
8675         (generate_reg_moves): Handle reg-anti dependencies and disregard
8676         closing branch when generating register moves.
8677         (sms_schedule): Mark the SMSed block dirty.
8678         * passes.c (rest_of_handle_sms): Call update_life_info for all
8679         basic-blocks.
8680         * testsuite/gcc.dg/20050321-1.c: New test.
8681
8682 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
8683
8684         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
8685         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
8686         movqi_internal): Likewise.
8687
8688 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
8689
8690         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
8691         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
8692         xtensa_b4const): Delete prototypes.
8693         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
8694         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
8695         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
8696         xtensa_extra_constraint): New prototypes.
8697         (add_operand, arith_operand, nonimmed_operand, mem_operand,
8698         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
8699         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
8700         move_operand, const_float_1_operand, fpmem_offset_operand,
8701         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
8702         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
8703         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
8704         argument type to HOST_WIDE_INT.
8705         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
8706         xtensa_mask_immediate): Likewise.
8707         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
8708         Likewise.  Also make these functions static.
8709         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
8710         (xtensa_const_ok_for_letter_p): New.
8711         (add_operand, arith_operand, nonimmed_operand, mem_operand,
8712         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
8713         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
8714         move_operand, const_float_1_operand, fpmem_offset_operand,
8715         branch_operator, ubranch_operator, boolean_operator): Move to
8716         predicates.md.
8717         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
8718         (xtensa_mem_offset): Change return type to bool.
8719         (xtensa_extra_constraint): New.
8720         (gen_int_relational): Update type of const_range_p function pointer.
8721         Use xtensa_b4const_or_zero.
8722         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
8723         xtensa_const_ok_for_letter_p.  Update comments.
8724         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
8725         (PREDICATE_CODES): Delete.
8726         * config/xtensa/xtensa.md: Include predicates.md.
8727         * config/xtensa/predicates.md: New file.
8728
8729 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8730
8731         * config/v850/v850-protos.h: Remove the prototypes for
8732         reg_or_int9_operand, reg_or_const_operand,
8733         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
8734         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
8735         movsi_source_operand, power_of_two_operand,
8736         not_power_of_two_operand, special_symbolref_operand,
8737         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
8738         register_is_ok_for_epilogue.
8739         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
8740         reg_or_int9_operand, reg_or_const_operand,
8741         call_address_operand, special_symbolref_operand,
8742         movsi_source_operand, power_of_two_operand,
8743         not_power_of_two_operand, register_is_ok_for_epilogue,
8744         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
8745         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
8746         predicates.md.
8747         * config/v850/v850.h (PREDICATE_CODES): Remove.
8748         * config/v850/v850.md: Include predicates.md.
8749         * config/v850/predicates.md: New.
8750
8751 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
8752
8753         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
8754         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
8755         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
8756         (itoolsdir, itoolsdatadir): Move definition above new first use.
8757         (install-itoolsdirs): New rule.
8758         (install-mkheaders): Depend on install-itoolsdirs, not
8759         install-include-dir.
8760
8761 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8762
8763         * tree-into-ssa.c: Remove obsolete comments.
8764
8765 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
8766
8767         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
8768         unrolling if -fpeel-loops is specified, too.
8769         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
8770         Remove superfluous check for flag_unroll_loops.
8771
8772 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
8773
8774         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
8775         (lrint_optab, llrint_optab): Define corresponding macros.
8776         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
8777         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
8778         pattern and llrint_optab using llrintdi2 patterns.
8779         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
8780         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
8781         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
8782         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
8783         flag_unsafe_math_optimizations is set.
8784
8785 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
8786
8787         * combine.c (combine_simplify_rtx, simplify_if_then_else,
8788         simplify_logical, if_then_else_cond, known_cond,
8789         simplify_comparison): Adjust calls to reverse_comparison.
8790         Don't use combine_reversed_comparison_code).
8791         (combine_reversed_comparison_code): Remove.
8792         (reversed_comparison): Using reversed_comparison_code, move it...
8793         * jump.c (reversed_comparison): ... here.
8794         * rtl.h (reversed_comparison): Add prototype.
8795
8796 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8797
8798         * builtins.c (fold_builtin): Take decomposed arguments of
8799         CALL_EXPR.
8800         * fold-const.c (fold_ternary): Update a call to fold_builtin.
8801         * gimplify.c (gimplify_call_expr): Likewise.
8802         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
8803         * tree.h: Update the prototype of fold_builtin.
8804
8805 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
8806
8807         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
8808         * rtlhooks.c (gen_lowpart_no_emit_general): New.
8809         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
8810         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
8811         * simplify-rtx.c (simplify_binary_operation_1): Use it.
8812
8813 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8814
8815         * builtins.c (fold_builtin_1): Take decomposed arguments of
8816         CALL_EXPR.
8817         (fold_builtin): Update a call to fold_builtin_1.
8818
8819 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
8820
8821         PR other/20564
8822         * gcov.c (output_lines): Only output function block summary when
8823         outputting branch information.
8824         * doc/gcov.texi: Document format of preamble and additional block
8825         information lines.
8826
8827 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
8828
8829         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
8830         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
8831         the defaults false if BITS_PER_UNIT != 8.
8832         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
8833         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
8834         than BITS_PER_UNIT != 8.
8835         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
8836         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
8837         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
8838         #undefs.
8839         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
8840         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
8841
8842 2005-03-20  Roger Sayle  <roger@eyesopen.com>
8843
8844         PR middle-end/20539
8845         * fold-const.c (fold_binary): Fix type mismatch between
8846         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
8847         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
8848         for non-truth-valued expressions.
8849
8850         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
8851         and FUNCTION_DECL in the main switch.
8852         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
8853         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
8854         we also need to convert their operands to match.
8855         <TRUTH_NOT_EXPR>: Likewise.
8856
8857 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
8858
8859         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
8860         diagnostic without checking whether an lvalue.
8861         * c-common.h (lvalue_p): Remove.
8862         (enum lvalue_use): Update comment.
8863         (lvalue_or_else): Replace by lvalue_error.
8864         * c-typeck.c (lvalue_p): Make static.
8865         (lvalue_or_else): New.  Call lvalue_error.
8866
8867 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
8868
8869         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
8870         (function_arg_advance): Use rs6000_parm_start.
8871         (function_arg, rs6000_arg_partial_bytes): Likewise.
8872
8873 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
8874
8875         * c-common.c (check_case_value): Adjust comment about stripping
8876         NOPs.
8877         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
8878         * c-typeck.c (default_conversion, convert_arguments,
8879         build_modify_expr, convert_for_assignment, store_init_value,
8880         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
8881         manually.  Remove inaccurate comments.
8882
8883 2005-03-20  Roger Sayle  <roger@eyesopen.com>
8884             Joseph S. Myers  <joseph@codesourcery.com>
8885
8886         * varasm.c (do_assemble_alias): Restore comment describing function.
8887         Annotate the target parameter as potentially unused.
8888
8889 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
8890
8891         PR target/18551
8892         * config/avr/avr.c (avr_output_function_prologue): Do not use
8893         current_function_name() in a label, use a local label instead.
8894
8895 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
8896
8897         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
8898         flag_finite_math_only, not flag_unsafe_math_optimizations.
8899
8900 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
8901
8902         * builtins.c (fold_builtin_1): Update a call to
8903         targetm.fold_builtin.
8904         * hooks.c (hook_tree_tree_bool_null): Rename to
8905         hook_tree_tree_tree_bool_null.  Take one more argument of type
8906         tree.
8907         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
8908         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
8909         hook_tree_tree_tree_bool_null.
8910         * target.h (gcc_target): Update the prototype of fold_builtin.
8911         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
8912         arguments of CALL_EXPR.
8913         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
8914         new prototype.
8915
8916 2005-03-20  Jan Hubicka  <jh@suse.cz>
8917
8918         * cgraph.h (cgraph_node): Add prev_clone pointer.
8919         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
8920         (cgraph_clone_node): Produce doubly linked chain.
8921
8922 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
8923
8924         * c-common.c (handle_aligned_attribute, check_function_sentinel,
8925         get_nonnull_operand, handle_sentinel_attribute,
8926         check_function_arguments_recurse): Do not strip NOPS from
8927         INTEGER_CSTs.
8928         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
8929         Likewise.
8930         * c-format.c (get_constant): Likewise.
8931         * c-parser.c (c_parser_postfix_expression): Likewise.
8932         * c-typeck.c (set_init_index): Likewise.
8933         (convert_arguments): Don't check for NOP_EXPR containing integer
8934         constant.
8935
8936 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
8937
8938         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
8939         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
8940         Take decomposed arguments of CALL_EXPR.
8941         (fold_builtin_1): Update calls to the functions mentioned
8942         above.
8943
8944 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
8945
8946         * c-decl.c (check_bitfield_type_and_width): Require bit-field
8947         width to have integer type.
8948         (build_enumerator): Require enumerator value to have integer type.
8949
8950 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
8951
8952         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
8953         to __builtin_inff.
8954
8955 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
8956
8957         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
8958         std=iso9899:199x): Correct descriptions.
8959
8960 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
8961
8962         * config.gcc: Consistently use solaris2.1[0-9]* instead of
8963         solaris2.1[0-9].
8964
8965 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
8966
8967         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
8968         of CALL_EXPR.
8969         (expand_builtin_memcpy, fold_builtin_1): Update calls to
8970         fold_builtin_memcpy.
8971
8972         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
8973         arguments of CALL_EXPR.
8974         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
8975         fold_builtin_found, fold_builtin_1): Update calls to
8976         fold_trunc_transparent_mathfn.
8977
8978 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8979
8980         PR middle-end/20493
8981         * fold-const.c (fold_widened_comparison): Don't optimize casts of
8982         function pointers on targets that require function pointer
8983         canonicalization.
8984         (fold_sign_changed_comparison): Likewise.
8985
8986 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
8987
8988         * combine.c (try_combine): When changing the mode of a hard reg, make
8989         sure that doing so is valid.
8990
8991 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
8992
8993         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
8994         (TARGET_HANDLE_OPTION): Override default.
8995         (avr_handle_option): New function.
8996         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
8997         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
8998         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
8999         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
9000         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
9001         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
9002         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
9003         (TARGET_OPTIONS): Delete.
9004         * config/avr/avr.opt: New file.
9005
9006 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9007
9008         * config/m32r/m32r-protos.h: Remove the prototypes for
9009         call_address_operand, symbolic_operand, seth_add3_operand,
9010         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
9011         reg_or_uint16_operand, reg_or_cmp_int16_operand,
9012         two_insn_const_operand, move_src_operand,
9013         move_double_src_operand, move_dest_operand,
9014         eqne_comparison_operator, signed_comparison_operator,
9015         large_insn_p, conditional_move_operand, carry_compare_operand,
9016         m32r_block_immediate_operand, extend_operand,
9017         reg_or_eq_int16_operand, int8_operand, and
9018         reg_or_zero_operand.
9019         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
9020         seth_add3_operand, int8_operand, cmp_int16_operand,
9021         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
9022         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
9023         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
9024         move_double_src_operand, move_dest_operand,
9025         eqne_comparison_operator, signed_comparison_operator,
9026         extend_operand, small_insn_p, large_insn_p,
9027         conditional_move_operand, carry_compare_operand,
9028         m32r_block_immediate_operand): Move to predicates.md.
9029         (MAX_MOVE_BYTES): Move to m32r.h.
9030         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
9031         * config/m32r/m32r.md: Include predicates.md.
9032         * config/m32r/predicates.md: New.
9033
9034 2005-03-18  James E Wilson  <wilson@specifixinc.com>
9035
9036         PR c++/19769
9037         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
9038         origin.
9039
9040 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9041
9042         * config/mn10300/mn10300-protos.h: Remove the prototypes for
9043         call_address_operand, const_8bit_operand.
9044         * config/mn10300/mn10300.c (call_address_operand,
9045         const_8bit_operand, const_1f_operand): Move to predicates.md.
9046         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
9047         * config/mn10300/mn10300.md: Include predicates.md.
9048         * config/mn10300/predicates.md: New.
9049
9050 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
9051
9052         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
9053         declarations in diagnostics and %E for identifiers, not %s.
9054
9055 2005-03-18  Jan Hubicka  <jh@suse.cz>
9056             Dale Johannesen  <dalej@apple.com>
9057
9058         * basic-block.h (scale_bbs_frequencies_int,
9059         scale_bbs_frequencies_gcov_type): Declare.
9060         * cfg.c (RDIV): New macro.
9061         (update_bb_frequency_for_threading): Fix.
9062         * basic-block.h (scale_bbs_frequencies_int,
9063         scale_bbs_frequencies_gcov_type): New.
9064         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
9065         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
9066         scale_bbs_frequencies_int.
9067         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
9068
9069 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9070
9071         * config/m32r/m32r-protos.h: Remove the prototypes for
9072         call_address_operand, symbolic_operand, seth_add3_operand,
9073         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
9074         reg_or_uint16_operand, reg_or_cmp_int16_operand,
9075         two_insn_const_operand, move_src_operand,
9076         move_double_src_operand, move_dest_operand,
9077         eqne_comparison_operator, signed_comparison_operator,
9078         large_insn_p, conditional_move_operand, carry_compare_operand,
9079         m32r_block_immediate_operand, extend_operand,
9080         reg_or_eq_int16_operand, int8_operand, and
9081         reg_or_zero_operand.
9082         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
9083         seth_add3_operand, int8_operand, cmp_int16_operand,
9084         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
9085         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
9086         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
9087         move_double_src_operand, move_dest_operand,
9088         eqne_comparison_operator, signed_comparison_operator,
9089         extend_operand, small_insn_p, large_insn_p,
9090         conditional_move_operand, carry_compare_operand,
9091         m32r_block_immediate_operand): Move to predicates.md.
9092         (MAX_MOVE_BYTES): Move to m32r.h.
9093         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
9094         * config/m32r/m32r.md: Include predicates.md.
9095         * config/m32r/predicates.md: New.
9096
9097         * config/pa/pa-protos.h: Add prototypes for magic_milli and
9098         shadd_constant_p.
9099         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
9100         symbolic_operand, symbolic_memory_operand,
9101         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
9102         indexed_memory_operand, move_dest_operand, move_src_operand,
9103         prefetch_cc_operand, prefetch_nocc_operand,
9104         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
9105         arith_operand, arith11_operand, pre_cint_operand,
9106         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
9107         ireg_operand, int5_operand, uint5_operand, int11_operand,
9108         uint32_operand, arith5_operand, and_operand, ior_operand,
9109         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
9110         pc_or_label_operand, div_operand, plus_xor_ior_operator,
9111         shadd_operand, movb_comparison_operator,
9112         cmpib_comparison_operator): Move to predicates.md.
9113         (magic_milli, shadd_constant_p): Make it extern.
9114         * config/pa/pa.h (PREDICATE_CODES): Remove.
9115         * config/pa/pa.md: Include predicates.md.
9116         * config/pa/predicates.md: New.
9117
9118         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
9119         predicate.
9120
9121 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9122
9123         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
9124         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
9125         config/alpha/freebsd.h, config/alpha/linux.h,
9126         config/alpha/netbsd.h, config/alpha/osf5.h,
9127         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
9128         config/h8300/h8300-protos.h, config/h8300/h8300.c,
9129         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
9130         doc/cppopts.texi: Update copyright.
9131
9132 2005-03-18  Jan Hubicka  <jh@suse.cz>
9133
9134         PR middle-end/20225
9135         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
9136         too late.
9137         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
9138         called too late.
9139
9140 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9141
9142         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
9143         VEC_safe_push.
9144
9145 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
9146
9147         * combine.c (gen_binary): Remove.
9148         (known_cond, simplify_shift_const, find_split_point,
9149         combine_simplify_rtx, simplify_if_then_else, simplify_set,
9150         simplify_logical, expand_field_assignment, extract_left_shift,
9151         force_to_mode, if_then_else_cond, apply_distributive_law,
9152         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
9153         simplify_comparison, reversed_comparison): Replace with
9154         simplify_gen_binary, simplify_gen_relational or
9155         distribute_and_simplify_rtx.
9156         (distribute_and_simplify_rtx): New function.
9157
9158 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
9159             Paolo Bonzini  <gcc.gnu.org>
9160
9161         * calls.c (setjmp_call_p, special_function_p): Update comments
9162         at the head of the functions.
9163
9164 2005-03-18  Jan Hubicka  <jh@suse.cz>
9165
9166         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
9167
9168         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
9169         function body should be released; do not proactively release function
9170         bodies in non-unit-at-a-time mode.
9171
9172 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
9173
9174         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
9175         mno-fp-ret-in-387 multilib variants.
9176
9177 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
9178
9179         * common.opt (m): Remove.
9180         * opts.c (handle_option): Pass 'm' options to set_target_switch if
9181         table lookup fails.
9182         (common_handle_option): Remove OPT_m case.
9183
9184 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9185
9186         * builtins.c (fold_builtin_bitop): Take decomposed arguments
9187         of CALL_EXPR.
9188         (fold_builtin_1): Update a call to fold_builtin_bitop.
9189
9190         * builtins.c (fold_builtin_signbit): Take decomposed arguments
9191         of CALL_EXPR.
9192         (fold_builtin_1): Update a call to fold_builtin_signbit.
9193
9194 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
9195
9196         PR tree-optimization/20474
9197         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
9198         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
9199
9200 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
9201
9202         * config/h8300/h8300-protos.h: Remove prototypes for
9203         general_operand_src, general_operand_dst, single_one_operand,
9204         single_zero_operand, call_insn_operand,
9205         two_insn_adds_subs_operand, small_call_insn_operand,
9206         jump_address_operand, bit_operand, bit_memory_operand,
9207         stack_pointer_operand, const_int_gt_2_operand,
9208         const_int_ge_8_operand, const_int_qi_operand,
9209         const_int_hi_operand, incdec_operand, bit_operator,
9210         nshift_operator, eqne_operator, gtle_operator,
9211         gtuleu_operator, iorxor_operator.
9212         Add prototypes for h8sx_shift_type h8sx_classify_shift and
9213         h8300_ldm_stm_parallel.
9214         * config/h8300/h8300.c (h8sx_shift_type,): Move to
9215         h8300-protos.h.
9216         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
9217         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
9218         (h8300_ldm_stm_parallel): Make it extern.
9219         (h8300_ldm_parallel, h8300_stm_parallel,
9220         h8300_return_parallel, general_operand_src,
9221         general_operand_dst, h8300_dst_operand, h8300_src_operand,
9222         nibble_operand, reg_or_nibble_operand, single_one_operand,
9223         single_zero_operand, call_insn_operand,
9224         two_insn_adds_subs_operand, small_call_insn_operand,
9225         jump_address_operand, bit_operand, bit_memory_operand,
9226         stack_pointer_operand, const_int_gt_2_operand,
9227         const_int_ge_8_operand, const_int_qi_operand,
9228         const_int_hi_operand, incdec_operand, eqne_operator,
9229         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
9230         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
9231         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
9232         nshift_operator): Move to predicates.md.
9233         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
9234         * config/h8300/h8300.md: Include predicates.md.
9235         * config/h8300/predicates.md: New.
9236
9237 2005-03-17  Richard Henderson  <rth@redhat.com>
9238
9239         * config.gcc (ia64*-*-hpux*): Add extra_options.
9240         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
9241         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
9242         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
9243         (ia64_tls_size_string, ia64_tune_string): Remove.
9244         (ia64_tune): Init to PROCESSOR_ITANIUM2.
9245         (TARGET_DEFAULT_TARGET_FLAGS): New.
9246         (TARGET_HANDLE_OPTION): New.
9247         (ia64_override_options): Move options parsing ...
9248         (ia64_handle_option): ... here.  New.
9249         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
9250         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
9251         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
9252         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
9253         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
9254         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
9255         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
9256         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
9257         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
9258         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
9259         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
9260         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
9261         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
9262         TARGET_EARLY_STOP_BITS): Remove.
9263         (TARGET_ILP32): Default false.
9264         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
9265         (enum ia64_inline_type): New.
9266         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
9267         * config/ia64/ia64.md: Update for new definitions of
9268         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
9269         * config/ia64/ia64.opt: New file.
9270         * config/ia64/ilp32.opt: New file.
9271
9272 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9273
9274         PR target/18380
9275         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
9276
9277 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
9278
9279         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
9280         instead of MASK_H8300S.
9281         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
9282         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
9283         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
9284         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
9285         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
9286         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
9287         TARGET_SWITCHES): Remove.
9288         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
9289         TARGET_H8300SX.
9290         * config/h8300/h8300.opt: New.
9291
9292         * config/alpha/alpha.opt, config/arc/arc.opt,
9293         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
9294         notices.
9295
9296 2005-03-17  Ian Lance Taylor  <ian@airs.com>
9297
9298         * gmon.c: Remove.
9299
9300 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
9301
9302         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
9303         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
9304         (TARGET_HANDLE_OPTION): Override default.
9305         (arc_handle_option): New function.
9306         (arc_init): Remove code to set arch_cpu_string.
9307         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
9308         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
9309         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
9310         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
9311         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
9312         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
9313         (arc_rodata_string, TARGET_OPTIONS): Delete.
9314         * config/arc/arc.opt: New file.
9315
9316 2005-03-17  Richard Henderson  <rth@redhat.com>
9317
9318         * doc/extend.texi (Weak Pragmas): New section.
9319         (attribute alias): Clarify that target must be in the same
9320         translation unit.
9321
9322 2005-03-17  Richard Henderson  <rth@redhat.com>
9323
9324         * config/alpha/alpha.opt: New file.
9325         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
9326         of alpha_cpu.
9327         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
9328         alpha_fprm_string, alpha_fptm_string): Make static.
9329         (alpha_tls_size_string): Remove.
9330         (alpha_handle_option): New.
9331         (override_options): Update for alpha_cpu/alpha_tune split.
9332         (alpha_file_start): Likewise.
9333         (TARGET_DEFAULT_TARGET_FLAGS): New.
9334         (TARGET_HANDLE_OPTION): New.
9335         * config/alpha/alpha.h (alpha_tune): Declare.
9336         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
9337         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
9338         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
9339         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
9340         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
9341         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
9342         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
9343         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
9344         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
9345         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
9346         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
9347         (TARGET_DEFAULT): Remove MASK_FP.
9348         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
9349         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
9350         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
9351         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
9352         alpha_tls_size_string): Remove.
9353         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
9354         (attribute tune): Rename from attribute cpu.
9355         * config/alpha/ev4.md: Update to match.
9356         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
9357         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
9358         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
9359         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
9360         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
9361         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
9362
9363 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
9364
9365         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
9366         and return without creating new state if before_nops_num is nonzero.
9367         * config/ia64/ia64.md (first_insn): New attribute.
9368         (alloc): Set it to yes.
9369
9370 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
9371
9372         * tree-vectorizer.c (new_vec_stmt_info): Initialize
9373         STMT_VINFO_SUBVARS to NULL.
9374         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9375
9376 2005-03-16 Dale Johannesen  <dalej@apple.com>
9377
9378         * rtlanal.c (find_first_parameter_load):  Rewrite to
9379         return actual first param load or the call if none,
9380         instead of first in block, when not all loads exist.
9381
9382 2005-03-16  Roger Sayle  <roger@eyesopen.com>
9383
9384         * optabs.c (expand_copysign_absneg): Make static.
9385         * optabs.h (expand_copysign_absneg): Delete prototype.
9386         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
9387
9388 2005-03-16  Richard Henderson  <rth@redhat.com>
9389
9390         PR middle-end/15700
9391         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
9392         (alias_pairs): Rename from output_defs.
9393         (find_decl_and_mark_needed): Split out from assemble_alias.
9394         (do_assemble_alias): New.
9395         (assemble_output_def): Remove.
9396         (finish_aliases_1, finish_aliases_2): New.
9397         (process_pending_assemble_output_defs): Remove.
9398         (assemble_alias): Defer aliases for which we don't yet have a
9399         non-external decl for the target symbol.
9400         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
9401         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
9402         * toplev.c (compile_file): Use finish_aliases_2 instead of
9403         process_pending_assemble_output_defs.
9404         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
9405         (process_pending_assemble_output_defs): Remove.
9406
9407 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
9408
9409         Fix PR tree-optimization/20489
9410
9411         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
9412         for empty structures.
9413
9414 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
9415
9416         Fix PR tree-optimization/20490
9417
9418         * tree-ssa-pre.c (create_expression_by_pieces): Use
9419         force_gimple_operand on result of fold.
9420
9421 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
9422
9423         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
9424         of closing parenthesis.
9425
9426 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
9427
9428         * builtins.c (expand_movstr): Update a call to
9429         fold_builtin_strcpy.
9430         (expand_builtin_strncpy): Update a call to
9431         fold_builtin_strncpy.
9432         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
9433         arguments of CALL_EXPR.
9434         (fold_builtin_1): Update calls to fold_builtin_strcpy and
9435         fold_builtin_strncpy.
9436         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
9437         * tree.h: Update the prototypes of fold_builtin_strcpy and
9438         fold_builtin_strncpy.
9439
9440 2005-03-16  Steven Bosscher  <stevenb@suse.de>
9441             Dorit Naishlos  <dorit@il.ibm.com>
9442
9443         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
9444         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
9445         error.
9446
9447 2005-03-16  Steven Bosscher  <stevenb@suse.de>
9448
9449         * tree-inline.c (walk_type_fields, walk_tree,
9450         walk_tree_without_duplicates): Move from here...
9451         * tree.c: ...to here.
9452
9453 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
9454
9455         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
9456         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
9457         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
9458         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
9459         (version): Define using $(BASEVER_c).
9460         (Makefile, config.status, build/gcov-iov.o): No longer depends on
9461         version.c.
9462         (version.o): Depend on version files; add custom generation command.
9463         (prefix.o): Define BASEVER on command line.
9464         (s-iov): Depend on version files; adjust command.
9465         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
9466         Add gcc-vers.texi.
9467         (gcc-vers.texi): New rule.
9468         (doc/%.info, doc/%.dvi): Add -I . to command line.
9469         (doc/gccinstall.dvi): Likewise.
9470         (PACKAGE): Delete.  All uses replaced with "gcc".
9471         * aclocal.m4: Do not include gcc-version.m4.
9472         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
9473         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
9474         Set is_release based on contents of DEV-PHASE.
9475         Set gcc_version based on contents of BASE-VER.
9476         Define WIN32_REGISTRY_KEY only if the user overrode the default.
9477         * config.in, configure: Regenerate.
9478         * gccbug.in: Determine version of GCC in use at runtime.
9479         * gcov-iov.c: Get version number and development phase from
9480         command line, not by including version.c.
9481         * intl.c: Replace all uses of PACKAGE with "gcc".
9482         * libada-mk.in: Delete unused "gcc_version" variable.
9483         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
9484         * version.c: (VERSUFFIX): New hook for redistributors; adjust
9485         commentary to match.
9486         (version_string): Put together from pieces.
9487         * config/alpha/x-vms: Do not use $(gcc_version).
9488         * config/i386/t-nwld: Likewise.
9489         * doc/include/gcc-common.texi: Include gcc-vers.texi for
9490         version-GCC and DEVELOPMENT.
9491
9492 2005-03-15  Roger Sayle  <roger@eyesopen.com>
9493
9494         PR tree-optimization/17454
9495         * tree.c (tree_size): Add case for TREE_BINFO.
9496         * fold-const.c (fold_checksum_tree): Only clear the overloaded
9497         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
9498
9499 2005-03-15  Roger Sayle  <roger@eyesopen.com>
9500
9501         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
9502         op1 whilst expanding the signed widenening multiply variant.
9503
9504 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
9505
9506         * toplev.c (display_target_options): Avoid unused variable warning if
9507         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
9508         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
9509         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
9510         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
9511         (mips_isa_info): New variable.
9512         (mips_parse_cpu): Remove the first argument and leave the caller
9513         to report errors.
9514         (TARGET_HANDLE_OPTION): Override default.
9515         (mips_handle_option): New function.  Move option validation code from...
9516         (override_options): ...here.  Update calls to mips_parse_cpu.
9517         * config/mips/mips.h (mips_arch_string, mips_tune_string)
9518         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
9519         (SUBTARGET_TARGET_OPTIONS): Delete.
9520         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
9521         (mno-flush-func, mtune=): New options.
9522
9523 2005-03-15  Roger Sayle  <roger@eyesopen.com>
9524             Richard Henderson  <rth@redhat.com>
9525
9526         * real.c (c4x_single_format, c4x_extended_format): Provide values
9527         for signbit_ro for c4x's single and extended floating point formats.
9528         * optabs.c (expand_copysign): Use the floating point format's
9529         signbit_ro for expanding via expand_copysign_absneg, and it's
9530         signbit_rw field for expanding via expand_copysign_bit.
9531
9532 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
9533
9534         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
9535         known_alignment_for_access_p.
9536         (known_alignment_for_access_p): New.
9537         (do_peeling_for_alignment): Field made int instead of bool and renamed
9538         to peeling_for_alignment.
9539         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
9540         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
9541         functionality used to be in vect_analyze_operations.
9542         (vect_analyze_operations): Code to determine vectorization factor was
9543         moved to vect_determine_vectorization_factor.
9544         (vect_enhance_data_refs_alignment): Update to correct alignment when it
9545         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
9546         factor.
9547         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
9548         be part of vect_analyze_operations).
9549         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
9550         creating the guard condition, as the number of iterations may be
9551         constant.
9552         (slpeel_tree_peel_loop_to_edge): Use new name of
9553         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
9554         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
9555         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
9556         (vect_do_peeling_for_alignment): Use fold.
9557         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
9558
9559         (vect_update_inits_of_dr): Renamed to
9560         vect_update_init_of_dr.
9561         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
9562         (vectorizable_store): Fix assertion to use == instead of =.
9563
9564 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
9565
9566         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
9567         call_used_regs for wCG registers.
9568
9569 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
9570
9571         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
9572         for non-offsettable memory references to cope with outstanding reload
9573         replacements, take 2.
9574
9575 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
9576
9577         PR target/18668
9578         * config/i386/i386.h (x86_fisttp): New.
9579         (TARGET_FISTTP): New macro.
9580         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
9581         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
9582         instruction when fisttp flag is set.
9583         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
9584
9585         * config/i386/i386.md (type attribute): Add fisttp.
9586         (unit attribute): Set to i387 for fisttp type.
9587         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
9588         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
9589         TARGET_FISTTP.
9590         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
9591         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
9592         macros.
9593         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
9594         patterns for TARGET_FISTTP.  Enable patterns for
9595         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
9596         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
9597         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
9598         implement fisttp x87 insn.
9599         (fix_trunc*_i387_fisttp splitters): New patterns.
9600         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
9601         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
9602         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
9603         clobber.
9604         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
9605         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
9606         Implement using mode macros. Disable patterns for TARGET_FISTTP.
9607         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
9608         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
9609         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
9610         Disable patterns for TARGET_FISTTP.
9611         (fix_trunc*_i387 splitters): Implement usign mode macros.
9612         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
9613         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
9614         (fix_trunx*_sse peephole2s): Implement using mode macros.
9615
9616 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
9617
9618         PR rtl-optimization/20291
9619         * combine.c (try_combine): If splitting fails, re-try with
9620         original combined pattern, i.e. before clobber stripping.
9621
9622 2005-03-14  Eric Christopher  <echristo@redhat.com>
9623
9624         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
9625         STACK_GROWS_DOWNWARD.
9626
9627 2005-03-14  Roger Sayle  <roger@eyesopen.com>
9628
9629         * real.h (struct real_format): Split the signbit field into two
9630         two fields, signbit_ro and signbit_rw.
9631         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
9632         mips_double_format, ieee_extended_motorola_format,
9633         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
9634         ieee_extended_intel_128_format, ibm_extended_format,
9635         mips_extended_format, ieee_quad_format, mips_quad_format,
9636         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
9637         i370_double_format, c4x_single_format, c4x_extended_format,
9638         real_internal_format): Update initializers for new field.
9639         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
9640         real_format structure.
9641         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
9642         field of the real_format structure.
9643
9644 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
9645
9646         Fix PR tree-optimization/20458
9647
9648         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
9649         DECL_EXTERNAL on STRUCT_FIELD tags.
9650         (clear_call_clobbered): Ditto.
9651         * tree-ssa-operands.c (note_addressable): Make sure the original
9652         variable doesn't slip into the addressable list if we have
9653         subvars.
9654         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
9655         tags too.
9656
9657 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
9658
9659         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
9660         (-fwide-exec-charset): Likewise.
9661         (-finput-charset): Likewise.
9662         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
9663         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
9664         * c.opt (Wnormalized): New.
9665
9666 2005-03-14  Devang Patel  <dpatel@apple.com>
9667
9668         * doc/invoke.texi: Add reference to Visibility document.
9669
9670 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
9671
9672         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
9673         MASK_SPLIT_ADDRESSES.
9674         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
9675         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
9676         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
9677         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
9678         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
9679         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
9680         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
9681         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
9682         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
9683         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
9684         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
9685         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
9686         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
9687         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
9688         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
9689         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
9690         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
9691         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
9692         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
9693         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
9694         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
9695         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
9696         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
9697         (TARGET_EXPLICIT_RELOCS): Delete.
9698         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
9699         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
9700         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
9701         (override_options): Set MASK_LONG64 if -mint64 is given and no
9702         -mlongXX option is.  Complain about -mint64 -mlong32.
9703         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
9704         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
9705         * config/mips/mips.opt: New file.
9706
9707 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
9708
9709         * config.gcc (extra_options): New variable for listing option files.
9710         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
9711         * configure.ac (extra_opt_files): New AC_SUBST variable.
9712         (tm_file_list, tm_include_list): Include options.h first.
9713         * configure: Regenerate.
9714         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
9715         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
9716         (s-options-h): New rule.
9717         (options.h): Depend on it.
9718         (TEXI_GCCINT_FILES): Add options.texi.
9719         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
9720         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
9721         * target.h (gcc_target): Add default_target_flags and handle_option.
9722         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
9723         (TARGET_HANDLE_OPTION): New macros.
9724         (TARGET_INITIALIZER): Include them.
9725         * opt-functions.awk (opt_args, nth_arg): New functions.
9726         (switch_flags): Handle the "Target" flag.
9727         (var_args): Delete.
9728         (var_name): Use opt_args and nth_arg.
9729         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
9730         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
9731         macros for the "Mask" and "InverseMask" options.
9732         * opts.h (cl_var_cond): New enum.
9733         (cl_option): Replace the "has_set_value" and "set_value" fields with
9734         "var_cond" and "var_value".
9735         (CL_TARGET): New macro.
9736         (option_enabled, print_filtered_help): Declare.
9737         (decode_options): Move definition.
9738         * opts.c (handle_option): Search for the original option before
9739         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
9740         var_cond and var_value fields.  Use targetm.handle_option to handle
9741         target options.
9742         (decode_options): Set target_flags to targetm.default_target_flags.
9743         (print_filtered_help): Make global.  Handle CL_TARGET.
9744         (option_enabled): New function.
9745         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
9746         (display_target_options, set_target_switch, print_switch_values)
9747         (default_pch_valid_p): Guard uses of target_switches with
9748         #ifdef TARGET_SWITCHES.  Also...
9749         (display_target_options): Display the CL_TARGET entries in cl_options.
9750         (set_target_option): Don't complain about the "" option when
9751         TARGET_SWITCHES is undefined.
9752         (print_switch_values): Use option_enabled.
9753         (default_pch_valid_p): Check cl_options[] when looking for something
9754         that has changed the value of target_flags.
9755         * c.opt: Remove documentation from top of file.
9756         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
9757         * doc/sourecebuild.texi: Refer to the new options documentation
9758         instead of c.opt.  Document machine-specific .opt files.
9759         * doc/tm.texi (target_flags): Say that this variable is declared
9760         by options.h.
9761         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
9762         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
9763         an alternative.
9764         * doc/options.texi: New file.
9765
9766 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
9767
9768         PR middle-end/18628
9769         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
9770         register.
9771
9772 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
9773
9774         PR c++/20280
9775         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
9776         temporary variable of pointer type if an lvalues is required.
9777         (gimplify_modify_expr_rhs): Request an rvalue from it.
9778         (gimplify_expr): Pass fallback on.
9779
9780 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9781
9782         * cfgbuild.c: Update comments.
9783
9784 2005-03-14  Roger Sayle  <roger@eyesopen.com>
9785
9786         PR rtl-optimization/17236
9787         * optabs.c (expand_doubleword_mult): New helper function split out
9788         from expand_binop.  Permute the order in which instructions are
9789         emitted to minimize the number of simultaneously live registers.
9790         (expand_binop): Call expand_doubleword_mult to synthesize a double
9791         word multiplication.
9792
9793 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9794
9795         * basic-block.h: Update the prototypes of cached_make_edge and
9796         rtl_make_eh_edge.
9797         * cfg.c (cached_make_edge): Take edge_cache representing one
9798         row of the adjacency matrix of edges.
9799         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
9800         (make_edges): Initialize edge_cache to represent one row of
9801         the adjacency matrix of edges.
9802
9803 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9804
9805         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
9806         New functions.
9807         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
9808         Remove unused removed_phis variable.
9809         (conditional_replacement): Use build1/build2.
9810         (abs_replacement): Use last_and_only_stmt and build1/build2.
9811
9812 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9813
9814         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
9815         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
9816         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
9817         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
9818         * c-common.c (handle_novops_attribute): New function.
9819         (c_common_attribute_table): Add "no vops" entry.
9820         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
9821         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
9822         * tree-ssa-operands.c (get_call_expr_operands): Do not
9823         create virtual operands for calls with ECF_NOVOPS flag.
9824         * tree.h (DECL_IS_NOVOPS): New macro.
9825         (struct tree_decl): Add novops_flag.
9826         (ECF_NOVOPS): New constant.
9827
9828 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
9829
9830         PR target/17688
9831         * config/i386/i386.c (x86_use_himode_fiop): New.
9832         (x86_use_simode_fiop): Rename from x86_use_fiop.
9833         * config/i386/i386.h (x86_use_himode_fiop): Declare.
9834         (TARGET_USE_HIMODE_FIOP): New.
9835         (x86_use_simode_fiop): Rename from x86_use_fiop.
9836         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
9837
9838         * config/i386/i386.md (X87MODEI12): New mode macro define.
9839         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
9840         to implement x87 FP compare with HImode input operands.
9841         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
9842         Use X87MODEI12 mode macro to handle HImode input operands.
9843         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
9844         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
9845         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
9846         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
9847         macro to implement x87 operators with HImode input operands.
9848         (fop splitters): Use X87MODEI12 mode macro to handle HImode
9849         input operands.
9850
9851 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9852
9853         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
9854         integer_zerop.
9855         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
9856         constants invariant.
9857
9858 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9859
9860         * basic-block.h (BB_VISITED): Removed.
9861         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
9862
9863 2005-03-14  Falk Hueffner  <falk@debian.org>
9864
9865         PR bootstrap/20424
9866         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
9867
9868 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9869
9870         * ggc-zone.c: Fix comment typos.
9871
9872         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
9873         stringpool.c, config/mips/mips-protos.h: Update copyright.
9874
9875 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
9876
9877         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
9878         throughout with its typedef, "rtx".
9879         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
9880         (rs6000_tls_symbol_ref_1): Remove inline keyword.
9881         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
9882         regs in comment to match code.
9883
9884 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9885
9886         * except.c (check_handled): Make it static.
9887         * except.h: Remove the corresponding prototype.
9888
9889         * function.c (get_func_frame_size): Make it static.
9890         * function.h: Remove the corresponding type.
9891
9892         * regclass.c (reg_class_superclasses, reg_class_subclasses):
9893         Make them static.
9894         * hard-reg-set.h: Remove the corresponding declarations.
9895
9896         * tree-cfg.c (verify_stmts): Check that
9897         bb_for_stmt (stmt) == bb for every PHI node and statement.
9898
9899 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
9900
9901         * config.gcc: Remove excess indentation.
9902         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
9903
9904 2005-03-13  Roger Sayle  <roger@eyesopen.com>
9905
9906         PR middle-end/19331
9907         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
9908         * fold-const.c (fold_sign_changed_comparison): Likewise.
9909         (fold_binary): Optimize comparisons against widened operands if
9910         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
9911
9912 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9913
9914         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
9915         (sparc_override_options): Initialize it.
9916         (sparc_struct_value_rtx): Set it on the MEM to be returned.
9917
9918 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
9919
9920         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
9921         (reg_or_none500mem_operand): New predicate.
9922         (zero_reg_mem_operand): New predicate.
9923         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
9924         to reg_or_none500mem_operand.
9925         (extendsfdf2_fpr): Add MEM alternative.
9926         (extenddftf2_internal): Change operand2 predicate to
9927         zero_reg_mem_operand.
9928
9929 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9930
9931         * ggc-zone.c: Rewritten.
9932
9933         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
9934         if there are none.
9935         * configure.ac: Define GGC_ZONE for --with-gc=zone.
9936         * config.in: Regenerated.
9937         * configure: Regenerated.
9938         * gengtype.c (write_types_process_field, write_func_for_structure):
9939         Pass new argument to gt_pch_note_object.
9940         * ggc-common.c (struct ptr_data): Add TYPE.
9941         (gt_pch_note_object): Take TYPE argument and save it.
9942         (call_count): Update call to ggc_pch_count_object.
9943         (call_alloc): Update call to ggc_pch_alloc_object.
9944         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
9945         file.
9946         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
9947         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
9948         (ggc_alloc_zone_stat): Delete.
9949         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
9950         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
9951         (ggc_pch_alloc_object): Update prototypes.
9952         (garbage_zone): Delete.
9953         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
9954         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
9955         pointers.
9956         (tree_id_zone): New variable.
9957         (ggc_alloc_cleared_zone): Remove unused.
9958         (ggc_alloc_zone): Define.
9959         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
9960         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
9961         ggc_alloc_zone_stat.
9962         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
9963         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
9964         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
9965         (make_node_stat): Likewise.  Use tree_id_zone.
9966
9967 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9968             Joseph S. Myers  <joseph@codesourcery.com>
9969
9970         * configure.ac: Check for MIPS TLS.
9971         * configure: Regenerated.
9972         * config/mips/mips-protos.h (enum mips_symbol_type): Add
9973         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
9974         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
9975         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
9976         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
9977         (mips_classify_symbol, mips_symbolic_constant_p)
9978         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
9979         (mips_tls_operand_p, mips_call_tls_get_addr)
9980         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
9981         (mips_tls_symbol_ref_1): New functions.
9982         (mips_legitimize_address, mips_legitimize_const_move): Call
9983         mips_legitimize_tls_address.
9984         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
9985         for MIPS16.
9986         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
9987         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
9988         (mips_char_to_class): Document V1_REG.
9989         (HAVE_AS_TLS): Provide default.
9990         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
9991         constants.
9992         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
9993         !TARGET_ABICALLS.
9994         (tls_get_tp_<mode>): New instruction.
9995
9996 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9997
9998         * configure.ac: Update checks for target tools.
9999         * configure: Regenerated.
10000
10001 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
10002
10003         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
10004
10005 2005-03-13  Roger Sayle  <roger@eyesopen.com>
10006
10007         * expmed.c (expand_mult): Use synthetic multiplication sequences for
10008         more classes of DImode multiplication by constant.  Allow both
10009         multiplication by small negative constants (by performing a
10010         multiplication by a positive constant and negating the result) and
10011         multiplications by large powers of two, by using a left shift.
10012
10013 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
10014
10015         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
10016         of basic blocks into work_stack.
10017
10018         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
10019         config/mips/vr.h: Update copyright.
10020
10021         * c-decl.c (c_init_decl_processing): Remove useless calls to
10022         build_function_type.
10023
10024         * builtins.c (fold_trunc_transparent_mathfn,
10025         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
10026         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
10027         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
10028         fold_builtin_strcpy, fold_builtin_strncpy,
10029         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
10030         TREE_TYPE (exp).
10031
10032         * builtins.c (expand_builtin_mathfn_3): Remove local variable
10033         before_call.
10034
10035         * lambda-code.c (lambda_compute_auxillary_space): Remove local
10036         variable determinant.
10037
10038         * tree-cfg.c (group_case_labels): Remove local variable type.
10039
10040         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
10041         variable ann.
10042
10043         * tree-ssa-phiopt.c (value_replacement): Remove local variable
10044         result.
10045
10046 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
10047
10048         PR target/18251
10049         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
10050         (*movmemqi_insn): Delete.
10051         (*movmemhi): Delete.
10052
10053 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
10054
10055         * builtins.c (fold_builtin_classify): Take decomposed
10056         arguments of CALL_EXPR.
10057         (fold_builtin_1): Update a call to fold_builtin_classify.
10058
10059 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
10060
10061         PR c/20402
10062         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
10063         through into call to parser_xref_tag after parse error.
10064         (c_parser_struct_declaration): Consistently return NULL_TREE on
10065         error.
10066
10067 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
10068
10069         * tree-flow-inline.h (ref_contains_array_ref): New function.
10070         (lookup_subvars_for_var): Ditto.
10071         (get_subvars_for_var): Ditto.
10072         (var_can_have_subvars): Ditto.
10073
10074         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
10075         (struct subvar): New type.
10076
10077         * tree-dfa.c (okay_component_ref_for_subvars): New function.
10078
10079         * tree-optimize.c (init_tree_optimization_passes): Call
10080         pass_create_structure_vars.
10081
10082         * tree-ssa-alias.c: Include vec.h.
10083         (init_alias_info): Don't auto-clear call clobbered on struct-field
10084         tags.
10085         (compute_flow_insensitive_aliasing): Handle subvars.
10086         (group_aliases): Handle STRUCT_FIELD aliases.
10087         (setup_pointers_and_addressables): Ditto.
10088         Don't mark variables non-addressable if they still have
10089         addressable subvars.
10090         Also mark subvars addressable when the real variable is marked
10091         addressable.
10092         (add_pointed_to_var): Try to prune the pointed-to set by only
10093         pointing to subvars when possible.
10094         Otherwise, make sure we set addresses_needed and pt_vars to
10095         properly include subvars.
10096         (bitpos_of_field): New function.
10097         (push_fields_onto_fieldstack): Ditto.
10098         (get_or_create_used_part_for): Ditto.
10099         (create_overlap_variables_for): Ditto.
10100         (find_used_portions): Ditto.
10101         (create_structure_vars): Ditto.
10102         (pass_create_structure_vars): New structure.
10103
10104         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
10105         (get_expr_operands): Handle subvars.  Also try to turn
10106         COMPONENT_REF accesses into must-defs now that we can accurately
10107         portray it.
10108         (note_addressable): Try to only mark as addressable those subvars
10109         we know a COMPONENT_REF touches.
10110         (overlap_subvar): New function.
10111
10112         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
10113         Handle subvar storing.
10114         (vect_address_analysis): Update caller of vect_object_analysis.
10115
10116         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
10117
10118         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
10119         (STMT_VINFO_SUBVARS): New macro.
10120
10121         * common.opts: add flag_tree_salias.
10122
10123         * opts.c (decode_options): flag_tree_salias defaults to on.
10124
10125         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
10126
10127         * doc/tree-ssa.texi: Document structural alias analysis.
10128
10129 2005-03-12  Steven Bosscher  <stevenb@suse.de>
10130
10131         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
10132         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
10133         * tree-ssa-operands.c (get_expr_operands): Likewise.
10134         (get_expr_operands): Likewise for ERROR_MARK.
10135
10136 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
10137
10138         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
10139         var.
10140
10141         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
10142         removed_phis.
10143
10144         * tree-ssa-pre.c (compute_avail): Remove local variable val.
10145         (mark_operand_necessary): Remove local variable ver.
10146
10147         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
10148         variable prefix_len.
10149
10150         * value-prof.c (mod_subtract_transform): Remove local variable
10151         value.
10152
10153         * builtins.c (fold_builtin_exponent): Take decomposed
10154         arguments of CALL_EXPR.
10155         (fold_builtin_1): Update a call to fold_builtin_exponent.
10156
10157         * builtins.c (fold_builtin_logarithm): Take decomposed
10158         arguments of CALL_EXPR.
10159         (fold_builtin_1): Update a call to fold_builtin_logarithm.
10160
10161         * c-decl.c (c_init_decl_processing): Remove local variables
10162         ptr_ftype_void and ptr_ftype_ptr.
10163
10164         * gimplify.c (gimplify_expr): Remove local variables r0 and
10165         r1.
10166
10167         * reg-stack.c (move_for_stack_reg): Remove local variable
10168         push_insn.
10169         (compare_for_stack_reg): Remove local variable flags_user.
10170         (convert_regs_1): Remove local variable deleted.
10171
10172         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
10173         variable new_cond.
10174         (combine_blocks): Remove local variables exits and new_e.
10175
10176         * tree-inline.c (expand_call_inline): Remove local variable
10177         decl.
10178
10179         * tree-ssa-live.c (create_ssa_var_map,
10180         calculate_live_on_entry): Remove local variable snn.
10181
10182 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
10183
10184         * c-lex.c (c_lex_with_flags): Add parameter to call to
10185         cpp_spell_token.
10186
10187 2005-03-11  Per Bothner  <per@bothner.com>
10188
10189         * c-tree.h (struct c_declarator): New id_loc field.
10190         * c-pragma.h (c_lex_with_flags): Take position reference.
10191         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
10192         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
10193         (c_lex): Pass dummy location to c_lex_with_flags.
10194         * c-parser.c (c_lex_one_token): Set c_token's location using
10195         c_lex_with_flags, instead of input_location, which might be "ahead".
10196         (c_parser_direct_declarator): Set declarator's id_loc from
10197         c_token's id_loc.
10198         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
10199         declarator's id_loc, rather than probably-imprecise input_location.
10200         (build_id_declarator): Initialize c_declarator's id_loc field.
10201
10202 2005-03-11  Roger Sayle  <roger@eyesopen.com>
10203
10204         PR middle-end/20419
10205         * builtins.c (expand_builtin_signbit): Force the signbit's word
10206         into an integer register to avoid SUBREGs of floating point modes.
10207
10208 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
10209
10210         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
10211         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
10212         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
10213         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
10214
10215 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
10216
10217         PR rtl-optimization/20306
10218         * expr.c (emit_move_complex): Set try_int false if mode is
10219         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
10220         emit_block_move if try_int is true.
10221
10222 2005-03-11  Richard Henderson  <rth@redhat.com>
10223
10224         PR target/20415
10225         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
10226         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
10227         to match.
10228
10229 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
10230
10231         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
10232         (TARGET_FIX_VR4130): New macro.
10233         (TARGET_OPTIONS): Add -mfix-vr4130.
10234         (ISA_HAS_MACCHI): New macro.
10235         (ASM_SPEC): Add -mfix-vr4130.
10236         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
10237         (override_options): Handle mips_fix_vr4130_string.
10238         (mips_avoid_hazards): Clear all_noreorder_p
10239         if we're working around VR4130 errata and the macc alternatives
10240         are not available.
10241         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
10242         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
10243         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
10244         (MULTILIB_DEFAULTS): Remove leading "march=".
10245         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
10246         if no architecture option is given.
10247         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
10248         VR4130 multilibs.
10249         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
10250         * doc/invoke.texi: Document -mfix-vr4130.
10251
10252 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
10253
10254         * config/mips/mips.c (override_options): Only warn about -mint64
10255         deprecation if TARGET_INT64.
10256
10257 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10258
10259         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
10260         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
10261         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
10262         are non-specific regarding the nonnull parameter positions.
10263         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
10264         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
10265         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
10266         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
10267
10268         * builtins.def: Use the non-specific "nonnull" attibute lists.
10269
10270 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
10271
10272         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
10273         single_pred_edge, single_succ, single_pred): Improve comments.
10274
10275 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
10276
10277         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
10278         single_pred_edge, single_succ, single_pred): New inline functions.
10279         * bb-reorder.c (rotate_loop, find_traces_1_round,
10280         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
10281         duplicate_computed_gotos): Use the single_succ/pred functions.
10282         * cfganal.c (forwarder_block_p): Ditto.
10283         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
10284         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
10285         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
10286         merge_seq_blocks): Ditto.
10287         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
10288         * cfglayout.c (fixup_reorder_chain): Ditto.
10289         * cfgloop.c (mark_single_exit_loops, update_latch_info,
10290         canonicalize_loop_headers, verify_loop_structure): Ditto.
10291         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
10292         mfb_update_loops, create_preheader, force_single_succ_latches,
10293         create_loop_notes): Ditto.
10294         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
10295         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
10296         commit_one_edge_insertion, purge_dead_edges,
10297         cfg_layout_can_merge_blocks_p): Ditto.
10298         * except.c (sjlj_emit_function_enter): Ditto.
10299         * flow.c (init_propagate_block_info): Ditto.
10300         * function.c (thread_prologue_and_epilogue_insns): Ditto.
10301         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
10302         insert_insn_end_bb): Ditto.
10303         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
10304         find_if_case_2): Ditto.
10305         * lambda-code.c (perfect_nestify): Ditto.
10306         * lcm.c (optimize_mode_switching): Ditto.
10307         * loop-doloop.c (doloop_modify): Ditto.
10308         * loop-init.c (loop_optimizer_init): Ditto.
10309         * loop-iv.c (simplify_using_initial_values): Ditto.
10310         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
10311         * loop-unswitch.c (unswitch_loop): Ditto.
10312         * modulo-sched.c (generate_prolog_epilog): Ditto.
10313         * predict.c (combine_predictions_for_insn, estimate_probability,
10314         tree_estimate_probability, last_basic_block_p,
10315         estimate_bb_frequencies): Ditto.
10316         * profile.c (branch_prob): Ditto.
10317         * regrename.c (copyprop_hardreg_forward): Ditto.
10318         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
10319         * tracer.c (layout_superblocks): Ditto.
10320         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
10321         cfg_remove_useless_stmts_bb, cleanup_control_flow,
10322         cleanup_control_expr_graph, disband_implicit_edges,
10323         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
10324         tree_verify_flow_info, tree_make_forwarder_block,
10325         tree_forwarder_block_p, remove_forwarder_block,
10326         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
10327         * tree-if-conv.c (tree_if_conversion): Ditto.
10328         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
10329         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
10330         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
10331         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
10332         copy_loop_headers): Ditto.
10333         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
10334         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
10335         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
10336         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
10337         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
10338         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
10339         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
10340         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
10341         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
10342         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
10343         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
10344         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
10345         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
10346         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
10347         slpeel_add_loop_guard): Ditto.
10348
10349 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
10350
10351         PR tree-optimization/15784
10352         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
10353         and -1 - A to ~A.
10354
10355         * stmt.c (expand_case): Don't change index_type.  Convert minval
10356         to the proper type.
10357
10358         PR tree-optimization/20130
10359         * fold-const.c (fold): Fold x * -1 into -x.
10360
10361 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
10362
10363         PR rtl-optimization/20331
10364         * rtlanal.c (modified_between_p): Check its address first for MEM.
10365         (modified_in_p): Likewise.
10366
10367 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
10368
10369         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
10370
10371 2005-03-10  Steven Bosscher  <stevenb@suse.de>
10372
10373         * expr.c (expand_expr_real_1): If possible, use a conditional
10374         move for expanding MIN_EXPR and MAX_EXPR.
10375         Use temp for moving around rtx-en.
10376
10377 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
10378
10379         PR rtl-opt/20412
10380         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
10381         correct mode.
10382
10383 2005-03-10  Roger Sayle  <roger@eyesopen.com>
10384
10385         * builtins.c (expand_builtin_signbit): Extend to handle floating
10386         point modes wider than the largest integer type, using the
10387         operand_subword_force function to obtain the signbit's word.
10388
10389 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
10390
10391         PR target/20322
10392         * combine.c (try_combine): If recog_for_combine added CLOBBERs
10393         to NEWI2PAT, fail to combine if they are used by NEWPAT.
10394
10395 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
10396
10397         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
10398
10399 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
10400
10401         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
10402         type void.
10403         (perform_edge_inserts): Unconditionally call
10404         free_dominator_info.
10405
10406         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
10407
10408 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
10409
10410         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
10411
10412 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
10413
10414         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
10415
10416         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
10417         gcc_unreachable.
10418         (rtl_register_value_prof_hooks,
10419         tree_value_profile_transformations,
10420         tree_register_value_prof_hooks): Likewise.
10421         * var-tracking.c (stack_adjust_offset_pre_post,
10422         variable_htab_free, variable_union, dataflow_set_different_2,
10423         count_uses, variable_was_changed, set_frame_base_location,
10424         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
10425         vt_add_function_parameters): Likewise.
10426         * varasm.c (named_section_real, named_section, make_decl_rtl,
10427         asm_emit_uninitialised, assemble_integer, decode_addr_const,
10428         const_hash_1, compare_constant, copy_constant, force_const_mem,
10429         output_constant_pool_2, output_constant_pool_1, output_constant,
10430         output_constructor, make_decl_one_only, decl_tls_model,
10431         default_no_named_section, default_elf_select_section_1,
10432         default_unique_section_1): Likewise.
10433         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
10434         * vmsdbgout.c (addr_const_to_string): Likewise.
10435
10436         PR c++/20375
10437         * function.c (struct assign_parm_data_one): Remove last_named
10438         field.
10439         (assign_parm_find_data_types): Don't determine last_named.
10440         Reorder named_parm determination.
10441         (assign_parms): Only setup varargs on the last non-varadic
10442         parameter.
10443
10444 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
10445
10446         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
10447         sda base address on medium model.
10448
10449 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
10450
10451         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
10452         * cfgloop.c (flow_loop_nodes_find): Export.
10453         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
10454         Declare.
10455         * cfgloopmanip.c (fix_loop_structure): New function.
10456         * predict.c (predict_loops): Clean up the loops information.
10457         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
10458         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
10459         loop structure.
10460         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
10461         (rewrite_into_loop_closed_ssa): Declaration changed.
10462         * tree-loop-linear.c (linear_transform_loops): Add argument to
10463         rewrite_into_loop_closed_ssa call.
10464         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10465         * tree-ssa-loop-im.c (move_computations): Ditto.
10466         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10467         * tree-vectorizer.c (vectorize_loops): Ditto.
10468         * tree-optimize.c: Include cfgloop.h.
10469         (execute_todo): Choose whether to call cleanup_tree_cfg or
10470         cleanup_tree_cfg_loop.
10471         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
10472         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
10473         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
10474         cleanup_tree_cfg_loop call.
10475         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
10476         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
10477         work on part of cfg.
10478
10479 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
10480
10481         PR inline-asm/20314
10482         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
10483         with multiple alternatives.
10484
10485         * stmt.c (parse_output_constraint): Fix a typo.
10486
10487 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
10488
10489         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
10490         assembly directive instead of deprecated "no-generics".
10491
10492 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
10493
10494         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
10495         for non-offsettable memory references to cope with outstanding reload
10496         replacements.
10497         * config/s390/s390.md ("reload_outti"): Call find_replacement to
10498         avoid losing outstanding address reloads.
10499         ("reload_outdi", "reload_outdf"): Likewise.
10500
10501 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10502
10503         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
10504         code.  Add more cbrt transformations.
10505
10506 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10507
10508         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
10509
10510 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
10511
10512         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
10513         NULL_TREE when a given tree is not simplified.
10514         (fold): Return the original tree when any of the functions
10515         mentioned above NULL_TREE.
10516
10517         * fold-const.c (fold_unary, fold_binary): Take decomposed
10518         arguments, code, type, op0, and op1 in case of fold_binary.
10519         (fold): Update calls to fold_unary and fold_binary.
10520
10521 2005-03-09  Roger Sayle  <roger@eyesopen.com>
10522
10523         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
10524         a fndecl and an arglist instead of a CALL_EXPR, exp.
10525
10526 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
10527
10528         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
10529
10530         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
10531
10532         * expr.c (expand_assignment): Remove orig_to_rtx.
10533
10534         * fold-const.c (int_const_binop): Remove no_overflow.
10535
10536         * ifcvt.c (noce_emit_move_insn): Remove inmode.
10537
10538         * loop-iv.c (get_biv_step_1): Remove lhs.
10539
10540         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
10541
10542         * real.c (real_nan): Remove neg.
10543
10544         * function.c (thread_prologue_and_epilogue_insns): Remove i
10545         and newinsn.
10546
10547         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
10548         tb.
10549
10550         * tree-eh.c (tree_could_trap_p): Remove idx.
10551
10552         * tree-into-ssa.c (ann): Remove ann.
10553
10554         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
10555
10556         * tree-sra.c (decide_block_copy): Remove inst_count.
10557
10558         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
10559
10560         * tree-ssa-loop-im.c (lhs): Remove.
10561
10562         * cfgbuild.c (state, STATE, SET_STATE,
10563         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
10564         make_edges.
10565         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
10566         (find_basic_blocks): Set the state of each basic block to
10567         BLOCK_NEW.
10568
10569 2005-03-08  Jeff Law  <law@redhat.com>
10570
10571         * tree-cfg.c (cleanup_control_flow): If removal of a computed
10572         goto results in the removal of edges in the CFG, then we need
10573         to recompute dominators.
10574
10575 2005-03-09  Ben Elliston  <bje@au.ibm.com>
10576
10577         * c-common.c (c_do_switch_warnings): Comment fix.
10578
10579 2005-03-08  Julian Brown  <julian@codesourcery.com>
10580
10581         * Patch from 2005-03-08 reverted for causing regressions and
10582         ppc-darwin bootstrap failure.
10583
10584 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
10585
10586         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
10587         Define the real function for ppc-darwin.
10588         * c-typeck.c (convert_arguments): Check for target-specific
10589         invalid argument call to unprototyped function.
10590         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
10591         New Macro.
10592         * target.h (invalid_arg_for_unprototyped_fn): New field
10593         in struct calls.
10594         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
10595         default target hook.
10596         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
10597         Declare.
10598
10599 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10600
10601         * c-typeck.c (constructor_stack, constructor_range_stack,
10602         initializer_stack): Make them static.
10603
10604         * cfg.c (rbi_pool): Make it static.
10605
10606         * gimple-low.c (lower_stmt_body): Make it static.
10607         * tree-flow.h: Remove the corresponding prototype.  Don't
10608         declare lower_data.
10609
10610         * sched-deps.c (cache_size): Make it static.
10611
10612         * stor-layout.c (lang_adjust_rli): Make it static.
10613
10614 2005-03-08  Julian Brown  <julian@codesourcery.com>
10615
10616         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
10617         from being used for symbols with vague linkage when
10618         HAVE_GAS_COMDAT_GROUP is true.
10619
10620 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
10621
10622         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
10623         nlabel == JUMP_LABEL (jump).
10624
10625 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10626
10627         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
10628         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
10629         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
10630         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
10631
10632 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
10633
10634         PR c/14411
10635         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
10636         * c-common.c (handle_returns_twice): New function.
10637         (c_common_attribute_table): Declare eturns_twice' attribute.
10638         * doc/extend.texi: Document eturns_twice' attribute.
10639         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
10640         (struct tree_decl): Add returns_twice_flag.
10641
10642 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10643
10644         * tree-ssa-phiopt.c: Fix a comment typo.
10645
10646         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
10647         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
10648         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
10649         copyright.
10650
10651 2005-03-08  Richard Henderson  <rth@redhat.com>
10652
10653         * config/alpha/alpha.c (code_for_builtin): Replace special-case
10654         builtin codes with ctzdi2, clzdi2, popcountdi2.
10655         (struct alpha_builtin_def): Add is_const.
10656         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
10657         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
10658         (alpha_init_builtins): Init them.  Set nothrow and const attributes
10659         on builtins.
10660         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
10661         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
10662         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
10663         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
10664         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
10665         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
10666         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
10667         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
10668         (TARGET_FOLD_BUILTIN): New.
10669         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
10670         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
10671         (ffsdi2): Use ctz.
10672         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
10673
10674 2005-03-08  Ira Rosen  <irar@il.ibm.com>
10675
10676         PR tree-optimization/20122
10677         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
10678         condition of access function instead of base.
10679
10680 2005-03-07  Jeff Law  <law@redhat.com>
10681             Steven Bosscher  <stevenb@suse.de>
10682
10683         * tree-cfg.c (find_taken_edge_computed_goto): New function.
10684         (find_taken_edge): Call find_taken_edge_computed_goto as
10685         appropriate.  Allow any gimple invariant rather than just
10686         INTEGER_CST for VAL.
10687         (cleanup_control_flow): Cleanup a computed goto which has turned
10688         into a simple goto.
10689         (tree_merge_blocks): If block B has any forced labels, move
10690         them to the start of block A.
10691         * tree-ssa-dom.c (thread_across_edge): Allow threading across
10692         computed gotos as well.
10693         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
10694         removal of unnecessary computed gotos too.
10695         (lookup_redirection_data): Fix type of INSERT argument.  Callers
10696         updated.
10697
10698 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10699
10700         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
10701         Remove trailing spaces.
10702
10703         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
10704         unshare_all_trees): Make them static.
10705         * tree-gimple.h: Remove the corresponding prototypes.
10706
10707         * diagnostic.h: Remove unused prototype
10708         debug_output_buffer.
10709         * modulo-sched.c: Remove unused prototype
10710         set_row_column_for_ps.
10711
10712         * tree-ssa-phiopt.c (tree_ssa_phiopt,
10713         replace_phi_edge_with_variable): Remove unused variable i.
10714
10715 2005-03-07  Per Bothner  <per@bothner.com>
10716
10717         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
10718
10719 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
10720
10721         PR tree-opt/17671
10722         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
10723         bbs on the COND_EXPR instead of the PHI_NODEs.
10724         (candidate_bb_for_phi_optimization): Remove.
10725         (replace_phi_with_stmt): Rename to ...
10726         (replace_phi_edge_with_variable): this and change so that we
10727         replace the phi argument instead of removing the PHI.
10728         (conditional_replacement): Change so we deal with PHI with more
10729         than two arguments.
10730         (value_replacement): Likewise.
10731         (abs_replacement): Likewise.
10732
10733 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
10734
10735         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
10736         output_e500_flip_gt_bit.
10737
10738         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
10739         as bit 31.
10740         (rs6000_generate_compare): Fix logic to look at the correct bits.
10741         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
10742         Look at GT bit.
10743         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
10744         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
10745         gen_move_from_CR_gt_bit.
10746
10747         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
10748         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
10749         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
10750
10751         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
10752         (E500_CR_IOR_COMPARE): New constant.
10753
10754 2005-03-08  Earl Chew <earl_chew@agilent.com>
10755             David Billinghurst <David.Billinghurst@riotinto.com>
10756
10757         * config/i386/host-cygwin.c: New file to support precompiled
10758         headers on cygwin
10759         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
10760         * config.host: Use above files for cygwin host.
10761
10762 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
10763
10764         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
10765         ordering ops from earlier change.
10766
10767 2005-03-07  Per Bothner  <per@bothner.com>
10768
10769         Various fixes to allow us to again build if --enable-mapped-location:
10770         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
10771         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
10772         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
10773         local variable loc. Change logic appropriately.
10774         * tree-vect-transform.c (vect_finish_stmt_generation): Use
10775         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
10776         * c-parser.c (c_parser_for_statement): Initialize loc variable.
10777         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
10778         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
10779
10780 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
10781
10782         PR rtl-optimization/19683
10783         * reload1.c (choose_reload_regs): Pass the number of bits, not the
10784         number of bytes, to smallest_int_for_mode.  Fix arguments to
10785         REG_CANNOT_CHANGE_MODE_P.
10786
10787 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
10788
10789         * reorg.c (relax_delay_slots): Check that the jump is
10790         conditional before trying to invert it.
10791
10792 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
10793
10794         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
10795         Make them static.
10796
10797         * calls (stack_arg_under_construction): Make it static.
10798
10799         * flow.c (regs_live_at_setjmp): Make it static.
10800         * flow.h: Remove the corresponding prototype.
10801
10802         * reload1.c (reload_startobj, reload_firstobj,
10803         something_needs_operands_changed, reload_inherited,
10804         reload_inheritance_insn, reload_override_in,
10805         reload_spill_index): Make them static.
10806
10807         * recog.c (verify_changes): Make it static.
10808         * recog.h: Remove the corresponding prototype.
10809
10810         * cfgbuild.c (find_sub_basic_blocks): Remove.
10811         * basic-block.h: Remove the corresponding prototype.
10812         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
10813         in comments.
10814         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
10815
10816         * tree-ssa-operands.c (check_build_stmt): Remove.
10817
10818         * stor-layout.c (set_alignment): Remove.
10819         * tree.h: Remove the corresponding prototype.
10820
10821         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
10822
10823         * tree-ssa-dce.c (control_dependence_map,
10824         visited_control_parents): Make them static.
10825
10826         * cfghooks.c (verify_flow_info): Remove local variable
10827         num_bb_notes.
10828
10829         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
10830         last_bb_seen.
10831
10832         * loop-unswitch.c (unswitch_loop): Remove local variable src.
10833
10834 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
10835
10836         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
10837
10838 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
10839
10840         * config/ia64/hpux.h (LINK_SPEC): Add -z.
10841         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
10842         PARALLEL for an empty structure.
10843
10844 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
10845
10846         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
10847
10848         * fold-const.c (fold_binary): Unroll the very first "for"
10849         loop.
10850
10851 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
10852
10853         * config/rs6000/predicates.md (branch_comparison_operator): Remove
10854         redundant match_code test.
10855         (scc_comparison_operator): Swap match_operand and match_code
10856         tests.
10857         (branch_positive_comparison_operator): Same.
10858         (trap_comparison_operator): Use comparison_operator and swap with
10859         match_code test.
10860
10861 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
10862
10863         PR target/20288
10864         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
10865         (out_movhi_r_mr): Read low byte of volatile MEM first.
10866         (out_movhi_mr_r): Write high byte of volatile MEM first.
10867
10868 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
10869
10870         * cselib.c (reg_values, reg_values_size): Make them static.
10871
10872         * cse.c (cse_reg_info_table): Make it static.
10873
10874         * fold-const.c (fold_unary): Use build1 instead of copy_node.
10875
10876 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
10877
10878         * cse.c (find_best_addr): Use canon_for_address.
10879
10880 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
10881
10882         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
10883         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
10884         SUBREG and MEM, respectively.
10885
10886         * fold-const.c (fold_binary): Use code instead of t.
10887
10888         * fold-const.c (optimize_minmax_comparison): Take decomposed
10889         arguments code, type, op0, and op1 instead of t.
10890         (fold_binary): Update a call to optimize_minmax_comparison.
10891
10892         * fold-const.c (fold_range_test): Take decomposed arguments
10893         code, type, op0, and op1 instead of t.
10894         (fold_binary): Update a call to fold_range_test.
10895
10896         * fold-const.c (fold_binary_op_with_conditional_arg): Take
10897         decomposed arguments code, type, op0, and op1 instead of t.
10898         (fold_binary): Update a call to fold_range_test.
10899
10900 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
10901
10902         * fold-const.c (fold_binary): Avoid directly using the original
10903         expression t as much as possible.
10904
10905 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
10906
10907         * c-semantics.c (build_stmt): Use TYPE_P instead of
10908         IS_NON_TYPE_CODE_CLASS.
10909         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
10910         (NON_TYPE_CHECK): Use TYPE_P instead of
10911         IS_NON_TYPE_CODE_CLASS.
10912
10913         * fold-const.c (fold): Remove handling of binary expressions.
10914
10915 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
10916
10917         * doc/c-tree.texi: Wrap comments in @r{}.
10918         * doc/cpp.texi: Likewise.
10919         * doc/cppinternals.texi: Likewise.
10920         * doc/extend.texi: Likewise.
10921         * doc/md.texi: Likewise.
10922         * doc/objc.texi: Likewise.
10923         * doc/sourcebuild.texi: Likewise.
10924         * doc/tm.texi: Likewise.
10925         * doc/tree-ssa.texi
10926
10927 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
10928
10929         * predict.c (apply_return_prediction): Standardize PHI chain
10930         walking.
10931         * tree-ssa.c (ssa_redirect_edge): Likewise.
10932
10933         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
10934         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
10935         Update copyright.
10936
10937         * tree-phinodes.c (remove_phi_node): Drop the last argument.
10938         * tree-flow.h: Adjust the prototype for remove_phi_node.
10939         * lambda-code.c (perfect_nestify): Adjust a call to
10940         remove_phi_node.
10941         * tree-cfg.c
10942         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
10943         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
10944         Likewise.
10945         * tree-ssa-dce.c (remove_dead_phis): Likewise.
10946         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10947         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10948         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
10949
10950         * combine.c (simplify_and_const_int): Use gen_int_mode instead
10951         of GEN_INT (trunc_int_for_mode (...)).
10952         * loop-iv.c (iv_number_of_iterations): Likewise.
10953         * postreload.c (reload_cse_move2add): Likewise.
10954         * simplify-rtx.c (simplify_const_unary_operation,
10955         simplify_const_binary_operation): Likewise.
10956         * stor-layout.c (get_mode_bounds): Likewise.
10957
10958         * fold-const.c (fold_binary): New.
10959         (fold): Call fold_binary on binary expressions.
10960
10961 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
10962
10963         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
10964         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
10965         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
10966         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
10967         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
10968
10969 2005-03-04  Devang Patel  <dpatel@apple.com>
10970
10971         PR tree-optimization/18815
10972         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
10973         loops with zero exit edges.
10974
10975 2005-03-04  Devang Patel  <dpatel@apple.com>
10976
10977         * doc/invoke.texi: Remove reference to webpage that does not exist.
10978
10979 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
10980             Joseph S. Myers  <joseph@codesourcery.com>
10981
10982         PR c++/19797
10983         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
10984         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
10985         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
10986         * pa.c (get_plabel): Change argument to symbol_ref.  Call
10987         maybe_get_identifier instead of get_identifier.
10988         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
10989         (struct deferred_plabel): Replace name field with symbol field.
10990         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
10991         ASM_OUTPUT_EXTERNAL_REAL is defined.
10992         (output_global_address): Use output_addr_const for output of all
10993         symbol_refs.
10994         (output_deferred_plabels): Use symbol_ref instead of name for address
10995         output.
10996         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
10997         ASM_OUTPUT_SYMBOL_REF): New macros.
10998         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
10999         comment.
11000         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
11001         label.
11002
11003 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
11004
11005         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
11006         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
11007
11008 2005-03-04  Jeff Law  <law@redhat.com>
11009
11010         * basic-block.h (rediscover_loops_after_threading): Declare.
11011         * tree-ssa-dom.c: Include cfgloop.h.
11012         (tree_ssa_dominator_optimize): Discover loops and some basic
11013         properties.  Remove forwarder blocks recreated by loop header
11014         canonicalization.  Also mark backedges in the CFG.
11015         * tree-ssa-threadupdate.c: Include cfgloop.h
11016         (rediscover_loops_after_threading): Define.
11017         (struct local_info): New field, JUMP_THREADED.
11018         (prune_undesirable_thread_requests): New function.
11019         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
11020         then record that fact for the callers of redirct_edges.
11021         (thread_block): If BB has incoming backedges, then call
11022         prune_undesirable_thraed_requests.    Note when we are
11023         going to have to rediscover loop information.  Return a
11024         boolean indicating if any jumps were threaded.
11025         (thread_through_all_blocks): Bubble up boolean indicating
11026         if any jumps were threaded.
11027         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
11028         (tree-ssa-threadupdate.o): Similarly.
11029
11030 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
11031
11032         * fold-const.c (fold_ternary): Unroll the "for" loop to
11033         extract operands.
11034
11035 2005-03-04  Andrew Haley  <aph@redhat.com>
11036
11037         * unwind-dw2-fde-glibc.c (struct
11038         unw_eh_callback_data.check_cache): New field.
11039         (frame_hdr_cache): New.
11040         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
11041         Cache frame header info.
11042
11043 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
11044
11045         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
11046         (print_c_condition): Declare.
11047         * read-rtl.c (ptr_loc): New structure.
11048         (ptr_locs, ptr_loc_obstack, joined_conditions)
11049         (joined_conditions_obstack): New variables.
11050         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
11051         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
11052         (join_c_conditions, print_c_condition): New functions.
11053         (apply_macro_to_string): Associate the new string with the same
11054         source location as the old one.
11055         (add_condition_to_string): Use join_c_conditions.
11056         (read_string): Use set_rtx_ptr_loc to record a filename and line
11057         number for the string.
11058         (read_rtx): Initialize the new variables above.
11059         * genattrtab.c (write_test_expr, write_attr_value): Use
11060         print_c_condition.
11061         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
11062         comment above the GCC_VERSION check.
11063         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
11064         Inline the definition of MAYBE_EVAL.
11065         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
11066         * genoutput.c (process_template): Likewise.
11067         * genpreds.c (write_predicate_subfunction): Likewise.
11068         (write_predicate_expr): Use print_c_condition.
11069         * genrecog.c (write_cond): Likewise.
11070         * gensupport.c (process_rtx): Use join_c_conditions to join the
11071         conditions of a define_insn_and_split.  Record a source location
11072         for the string after the "&&".
11073         (alter_test_for_insn): Use join_c_conditions.
11074
11075 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
11076
11077         Revert for now:
11078         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
11079         PR tree-optimization/15784
11080         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
11081         and -1 - A to ~A.
11082
11083 2005-03-04  Ben Elliston  <bje@au.ibm.com>
11084
11085         * gcc.c (option_map): Add --coverage.
11086         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
11087         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
11088         * config/darwin.h: Pass -lgcov for `coverage'.
11089         * doc/invoke.texi (Debugging Options): Document --coverage.
11090
11091 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
11092
11093         * gcse.c (bypass_block): Use find_edge wherever possible.
11094
11095 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
11096
11097         Fix PR debug/20253
11098
11099         * c-opts.c (c_common_parse_file): Call start_source_file
11100         and end_source_file at the approriate times.
11101
11102         * dwarf2out.c (dwarf2out_finish): Don't auto-end
11103         the main file, it will be done for us now.
11104
11105 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
11106
11107         * fold-const.c (fold_ternary): New.
11108         (fold): Call fold_ternary on ternary expressions.  Remove
11109         handling of ternary expressions.
11110
11111 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
11112
11113         PR tree-optimization/15784
11114         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
11115         and -1 - A to ~A.
11116
11117 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
11118
11119         * config/rs6000/predicates.md (branch_comparison_operator):
11120         Convert from C block to conditional format.
11121
11122 2005-03-03  Jan Hubicka  <jh@suse.cz>
11123
11124         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
11125         and non-constant public variables.
11126
11127 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
11128
11129         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
11130         with LABEL_EXPR.
11131
11132         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
11133         EDGE_I.
11134
11135         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
11136         calls to release_ssa_name and release_phi_node.
11137
11138         * fold-const.c (fold): Remove handling of unary expressions.
11139
11140         * fold-const.c (fold_unary): Avoid directly using the original
11141         expression t as much as possible.
11142
11143 2005-03-03  Roger Sayle  <roger@eyesopen.com>
11144             Andrew Pinski  <pinskia@physics.uc.edu>
11145
11146         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
11147         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
11148
11149 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
11150
11151         Describe special registers SRP and MOF as allocatable registers.
11152         * config/cris/cris.c (cris_md_asm_clobbers): New function.
11153         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
11154         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
11155         TARGET_HAS_MUL_INSNS.
11156         (cris_print_operand) <case 'd'>: New case.
11157         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
11158         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
11159         define.
11160         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
11161         (REG_ALLOC_ORDER): Update for MOF.
11162         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
11163         SPECIAL_REGS.
11164         (GENERAL_REGS): No longer a define of ALL_REGS.
11165         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
11166         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11167         Adjust accordingly.
11168         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
11169         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
11170         (SECONDARY_RELOAD_CLASS): Define.
11171         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
11172         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
11173         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
11174         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
11175         (REGISTER_MOVE_COST): Define.
11176         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
11177         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
11178         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
11179         (CRIS_MOF_REGNUM): New define_constants.
11180         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
11181         special registers.
11182         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
11183         New patterns.
11184         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
11185         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
11186         Adjust for MOF being properly described as a register.
11187         (indir_to_reg_split): Name this split.  Conditionalize on the
11188         destination register being a general register.
11189         (movei): Conditionalize on on operands 0 and 1 having the same
11190         register class.
11191
11192 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
11193
11194         PR target/20277
11195         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
11196         -mcpu to override any other explicitly given flags.
11197
11198 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
11199
11200         * recog.c (verify_changes, confirm_change_group): New functions,
11201         broken out of apply_change_group.
11202         (apply_change_group): Use them.
11203         * recog.h (verify_change, confirm_change_group): Declare.
11204         * rtl.h (redirect_jump_2): Declare.
11205         * jump.c (redirect_exp, invert_exp): Delete.
11206         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
11207         (redirect_jump_2): New function, broken out of redirect_jump.
11208         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
11209         (invert_jump): Use invert_jump_1 and redirect_jump_2.
11210         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
11211
11212 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
11213
11214         * varasm.c (named_section): Use xstrdup rather than doing it by
11215         hand.
11216
11217         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
11218
11219 2005-03-02  Devang Patel  <dpatel@apple.com>
11220
11221         Undo PR tree-optimization/18815 fix.
11222
11223 2005-03-02  Devang Patel  <dpatel@apple.com>
11224
11225         PR tree-optimization/18815
11226         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
11227         loops with zero exit edges.
11228
11229 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
11230
11231         * cfg.c (connect_src, connect_dest, disconnect_src,
11232         disconnct_dest): New.
11233         (unchecked_make_edge, remove_edge, redirect_edge_succ,
11234         redirect_edge_pred): Use the new functions.
11235
11236         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
11237         free_dominance_info only when needed.
11238
11239 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
11240
11241         PR target/20276
11242         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
11243         (reg_or_sub_cint64_operand): Same.
11244
11245 2005-03-02  Jeff Law  <law@redhat.com>
11246
11247         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
11248         CFG_ALTERED in the main DOM iteration loop.
11249
11250 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
11251
11252         PR c++/19916
11253         * varasm.c (initializer_constant_valid_p): Allow conversions
11254         between OFFSET_TYPEs.  Tidy.
11255
11256 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
11257
11258         * config/cris/cris.md ("return"): Remove epilogue delay list
11259         sanity check.
11260
11261 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
11262
11263         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
11264         for Thumb.
11265         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
11266
11267 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
11268
11269         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
11270         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
11271         config/m68k/m68k.c, config/mips/mips.h,
11272         config/rs6000/rs6000-protos.h, doc/contrib.texi,
11273         doc/include/gcc-common.texi: Update copyright.
11274
11275         PR middle-end/18029 and PR middle-end/18030
11276         * expr.c (optimize_bitfield_assignment_op): Add a special case
11277         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
11278
11279         * fold-const.c (fold_unary): New.
11280         (fold): Call fold_unary on unary expressions.
11281
11282 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
11283
11284         * cgraph.h (struct cgraph_edge): Add prev_caller and
11285         prev_callee fields.
11286         (cgraph_node_remove_callees): Export.
11287         * cgraph.c (cgraph_create_edge): Initialize prev_caller
11288         and prev_callee.
11289         (cgraph_edge_remove_callee): New function.
11290         (cgraph_edge_remove_caller): Likewise.
11291         (cgraph_remove_edge): Use.
11292         (cgraph_redirect_edge_callee): Likewise.
11293         (cgraph_node_remove_callees): New function.
11294         (cgraph_node_remove_callers): Likewise.
11295         (cgraph_remove_node): Use.
11296         * tree-optimize.c (tree_rest_of_compilation): Use
11297         cgraph_node_remove_callees instead of manual loop.
11298         * cgraphunit.c (cgraph_finalize_function): Likewise.
11299         (cgraph_expand_function): Likewise.
11300         (cgraph_remove_unreachable_nodes): Likewise.
11301
11302 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
11303
11304         PR c/8927
11305         * c-tree.h (undeclared_variable, build_external_ref): Add extra
11306         argument.
11307         * c-decl.c (undeclared_variable): Take location as argument.
11308         * c-typeck.c (build_external_ref): Likewise.
11309         * c-parser.c (c_parser_postfix_expression): Pass location of
11310         identifier to build_external_ref.
11311
11312 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
11313
11314         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
11315         CCEQ mode for branch_positive_comparison_operator test.
11316         * config/rs6000/predicates (branch_comparison_operator): Revert to
11317         define_predicate.
11318         (scc_comparison_operator): Same.
11319         (branch_positive_comparison_operator): Same.
11320
11321 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
11322
11323         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
11324         (cris_delay_slots_for_epilogue): Remove.
11325         (save_last): Move into cris_target_asm_function_epilogue.
11326         (cris_target_asm_function_epilogue): Remove tests for file being
11327         NULL.
11328         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
11329         (cris_delay_slots_for_epilogue): Remove prototypes.
11330         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
11331         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
11332
11333 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
11334
11335         * config/rs6000/predicates.md (branch_comparison_operator): Change
11336         to define_special_predicate.
11337         (scc_comparison_operator): Same.
11338         (branch_positive_comparison_operator): Same.
11339
11340 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
11341
11342         * Makefile.in (tree-ssa-sink.o): New.
11343         (OBJS-common): Add tree-ssa-sink.o.
11344         * common.opt: Add -ftree-sink
11345         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
11346         * timevar.def (TV_TREE_SINK): new timevar.
11347         * tree-flow.h (is_hidden_global_store): Prototype.
11348         * tree-optimize.c (init_tree_optimization_passes): Add
11349         pass_sink_code.
11350         * tree-pass.h (pass_sink_code): New.
11351         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
11352         for non-obvious global store store to is_hidden_global_store, and
11353         call that new function.
11354         * tree-ssa-sink.c: New file.
11355         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
11356         * doc/passes.texi: Document forward store motion.
11357         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
11358         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
11359         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
11360         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
11361
11362 2005-03-01  Per Bothner  <per@bothner.com>
11363
11364         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
11365         and we have a non-zero column-number, add it to the message.
11366         Also factor out the diagnostic_kind_text.
11367
11368 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
11369
11370         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
11371         flow_loop_pre_header_scan, flow_loop_pre_header_find,
11372         flow_loop_scan): Removed.
11373         (flow_loop_dump): Do not dump removed fields.
11374         (flow_loop_free): Do not free removed fields.
11375         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
11376         (loop_exit_edge_p): New function.
11377         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
11378         num_pre_header_edges, entry_edges, num_entries, exit_edges,
11379         num_exits, exits_doms.
11380         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
11381         LOOP_EDGES, LOOP_ALL): Removed.
11382         (flow_loop_scan): Declaration removed.
11383         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
11384         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
11385         flow_loops_find.
11386         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
11387         (if_convert): Call flow_loops_find and flow_loops_free
11388         when calling mark_loop_exit_edges.
11389         * cfgloopanal.c (mark_loop_exit_edges): Moved from
11390         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
11391         free_dominance_info calls.
11392         * loop-init.c (flow_loops_find): Ditto.
11393         * passes.c (rest_of_handle_branch_prob): Ditto.
11394         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
11395         * loop-unroll.c (analyze_insns_in_loop): Do not use
11396         EDGE_LOOP_EXIT.
11397         * predict.c (predict_loops): Do not call flow_loop_scan.
11398         Use get_loop_exit_edges.
11399         (tree_estimate_probability): Do not pass flags to flow_loops_find.
11400         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
11401         Do not use EDGE_LOOP_EXIT.
11402         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
11403         to bb_with_exit_edge_p.
11404         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
11405         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
11406         to bb_with_exit_edge_p.
11407         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
11408         EDGE_LOOP_EXIT.
11409         * tree-loop-linear.c (linear_transform_loops): Do not call
11410         flow_loop_scan.  Use loop->single_exit.
11411         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
11412         (vect_analyze_loop_form): Do not call flow_loop_scan.
11413         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
11414         loop->single_exit.
11415         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
11416         loop->single_exit.
11417         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
11418         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
11419         slpeel_tree_duplicate_loop_to_edge_cfg,
11420         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
11421         Use loop_preheader_edge and loop->single_exit.  Do not call
11422         flow_loop_scan.
11423
11424 2005-03-01  Nick Clifton  <nickc@redhat.com>
11425
11426         * config/arm/arm.c (thumb_find_work_register): Check all of the
11427         argument registers to see if they are free, and a couple of
11428         special cases where the last argument register but can be proved
11429         to be available during the function's prologue.
11430         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
11431         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
11432         thumb_unexpanded_epilogue): Use unsigned long as the type for the
11433         register bit-mask.
11434         (thumb_compute_save_reg_mask): Likewise.  Also use
11435         thumb_find_work_register() to ensure that there is agreement about
11436         which work register is going to be used in the prologue.
11437         (thumb_output_function_prologue): Use unsigned long as the type
11438         for the register bit-mask.  Also delay pushing the link register if
11439         other high registers are going to be pushed.
11440         (thumb_compute_save_reg_mask, emit_multi_reg_push,
11441         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
11442         redundant prototypes.
11443
11444 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
11445
11446         PR target/19819
11447         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
11448         and after reload in REG+REG indexed addresses without REG_POINTER
11449         set in the base and not set in the index.
11450
11451 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
11452
11453         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
11454         Don't undefine here.
11455         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
11456         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
11457         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
11458         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
11459         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
11460         Delete.
11461         * config.gcc (sh*-*-linux*): Use config/linux.h.
11462
11463 2005-02-28  Dale Johannesen  <dalej@apple.com>
11464             Stan Shebs  <shebs@apple.com>
11465
11466         Rewrite of 64-bit Darwin structure-by-value pass/return.
11467         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
11468         intoffset, use_stack, named.
11469         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
11470         (rs6000_darwin64_record_arg_advance_flush):  New.
11471         (rs6000_darwin64_record_arg_advance_recurse): New.
11472         (rs6000_darwin64_record_arg_flush):  New.
11473         (rs6000_darwin64_record_arg_recurse):  New.
11474         (rs6000_darwin64_record_arg):  New.
11475         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
11476         (function_arg_boundary):  Handle 128-bit aligned structs.
11477         (function_arg_advance):  Rewrite darwin64 struct handling.
11478         (function_arg):  Call rs6000_darwin64_record_arg.
11479         (function_arg_partial_nregs):  Handle darwin64 structs.
11480         (rs6000_darwin64_function_value):  Remove.
11481         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
11482
11483 2005-02-28  Roger Sayle  <roger@eyesopen.com>
11484
11485         PR tree-optimization/20216
11486         * tree-chrec.c (tree_fold_factorial): Delete.
11487         (tree_fold_binomial): Change argument list to take a return type
11488         and change the type of K to unsigned int.  Rewrite to avoid explicit
11489         evaluation of factorials, and (recursively) calling fold to perform
11490         compile-time arithmetic.  Return NULL on (internal) overflow.
11491         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
11492         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
11493         if any intermediate calculation overflows.
11494         (chrec_apply): Update call to chrec_evaluate.
11495
11496 2005-02-28  James E Wilson  <wilson@specifixinc.com>
11497
11498         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
11499
11500 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
11501
11502         PR c/20245
11503         * c-parser.c (c_parser_compound_statement): Return error_mark_node
11504         instead of NULL_TREE on error.
11505
11506 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
11507
11508         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
11509         (EASY_VECTOR_15_ADD_SELF): Remove.
11510         (num_insns_constant_wide): Not static.
11511         (validate_condition_mode): Not static.
11512         (toc_relative_expr_p): Not static.
11513         (legitimate_indirect_address_p): Not static.
11514         (macho_lo_sum_memory_operand): Not static.
11515         (invalid_e500_subreg): Not static.
11516         (easy_vector_same): Not static.
11517         (easy_vector_splat_const): Not static.
11518         (RS6000_SYMBOL_REF_TLS_P): Remove.
11519         (any_operand): Delete.
11520         (any_parallel_operand): Delete.
11521         (count_register_operand): Delete.
11522         (altivec_register_operand): Delete.
11523         (xer_operand): Delete.
11524         (s8bit_cint_operand): Delete.
11525         (short_cint_operand): Delete.
11526         (u_short_cint_operand): Delete.
11527         (non_short_cint_operand): Delete.
11528         (exact_log2_cint_operand): Delete.
11529         (gpc_reg_operand): Delete.
11530         (cc_reg_operand): Delete.
11531         (cc_reg_not_cr0_operand): Delete.
11532         (reg_or_short_operand): Delete.
11533         (reg_or_neg_short_operand): Delete.
11534         (reg_or_aligned_short_operand): Delete.
11535         (reg_or_u_short_operand): Delete.
11536         (reg_or_cint_operand): Delete.
11537         (reg_or_arith_cint_operand): Delete.
11538         (reg_or_add_cint64_operand): Delete.
11539         (reg_or_sub_cint64_operand): Delete.
11540         (reg_or_logical_cint_operand): Delete.
11541         (got_operand): Delete.
11542         (got_no_const_operand): Delete.
11543         (easy_fp_constant): Delete.
11544         (easy_vector_constant): Delete.
11545         (easy_vector_constant_add_self): Delete.
11546         (zero_constant): Delete.
11547         (zero_fp_constant): Delete.
11548         (volatile_mem_operand): Delete.
11549         (offsettable_mem_operand): Delete.
11550         (mem_or_easy_const_operand): Delete.
11551         (add_operand): Delete.
11552         (non_add_cint_operand): Delete.
11553         (logical_operand): Delete.
11554         (non_logical_cint_operand): Delete.
11555         (mask_operand): Delete.
11556         (mask_operand_wrap): Delete.
11557         (mask64_operand): Delete.
11558         (mask64_2_operand): Delete.
11559         (and64_operand): Delete.
11560         (and64_2_operand): Delete.
11561         (and_operand): Delete.
11562         (reg_or_mem_operand): Delete.
11563         (lwa_operand): Delete.
11564         (symbol_ref_operand): Delete.
11565         (call_operand): Delete.
11566         (current_file_function_operand): Delete.
11567         (input_operand): Delete.
11568         (rs6000_nonimmediate_operand): Delete.
11569         (rs6000_tls_symbol_ref): Delete.
11570         (save_world_operation): Delete.
11571         (restore_world_operation): Delete.
11572         (load_multiple_operation): Delete.
11573         (store_multiple_operation): Delete.
11574         (vrsave_operation): Delete.
11575         (mfcr_operation): Delete.
11576         (mtcrf_operation): Delete.
11577         (lmw_operation): Delete.
11578         (stmw_operation): Delete.
11579         (branch_comparison_operator): Delete.
11580         (branch_positive_comparison_operator): Delete.
11581         (scc_comparison_operator): Delete.
11582         (trap_comparison_operator): Delete.
11583         (boolean_operator): Delete.
11584         (boolean_or_operator): Delete.
11585         (min_max_operator): Delete.
11586         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
11587         (EASY_VECTOR_15): Moved to here.
11588         (EASY_VECTOR_15_ADD_SELF): Move to here.
11589         (PREDICATE_CODES): Delete.
11590         * config/rs6000/rs6000-protos.h: Delete predicate functions.
11591         Declare functions no longer static.
11592         * config/rs6000/predicates.md: New.
11593         * config/rs6000/rs6000.md: Include predicates.md
11594
11595 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
11596
11597         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
11598         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
11599         REG_ALWAYS_RETURN.
11600         * cfgrtl.c (need_fake_edge_p): Likewise.
11601         * combine.c (distribute_notes): Likewise.
11602         * emit-rtl.c (try_split): Likewise.
11603         * recog.c (peephole2_opimize): Likewise.
11604         * reg-notes.def (ALWAYS_RETURN): Remove.
11605         * rtl.h (LCT_ALWAYS_RETURN): Remove.
11606         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
11607         * tree.h (ECF_ALWAYS_RETURN): Remove.
11608
11609 2005-02-28  Roger Sayle  <roger@eyesopen.com>
11610
11611         PR middle-end/19874
11612         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
11613         between different machine modes is never a "useless" conversion.
11614
11615 2005-02-28  Geert Bosch  <bosch@gnat.com>
11616
11617         PR ada/15977
11618         * doc/contrib.texi: List contributors for Ada front end
11619
11620 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
11621
11622         * simplify-rtx.c (simplify_unary_operation_1,
11623         simplify_const_unary_operation): New, extracted from...
11624         (simplify_unary_operation): ... this one.
11625         (simplify_binary_operation_1,
11626         simplify_const_binary_operation): New, extracted from...
11627         (simplify_binary_operation): ... this one.
11628         * rtl.h (simplify_const_unary_operation,
11629         simplify_const_binary_operation): Add prototypes.
11630
11631 2005-02-28  Julian Brown  <julian@codesourcery.com>
11632
11633         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
11634         building libjava and caused PR regression/20228.
11635
11636 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
11637
11638         PR bootstrap/17383
11639         * Makefile.in (host_subdir): New.
11640         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
11641         * configure: Regenerate.
11642
11643 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
11644
11645         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
11646         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
11647         installation directory first.
11648
11649 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
11650
11651         PR target/19065.
11652         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
11653         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
11654         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
11655         * config/cris/cris.md: Tweak comments referring to Q.
11656         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
11657         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
11658         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
11659         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
11660         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
11661         Insert spaces in constraints to align alternatives vertically for
11662         readability.
11663         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
11664         operand 1: "M".
11665
11666 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11667
11668         PR rtl-optimization/17728
11669         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
11670         operand 0 from general_operand to move_dest_operand.
11671
11672 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11673
11674         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
11675         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
11676         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
11677         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
11678
11679 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
11680
11681         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
11682         * configure: Regenerate.
11683         * libada-mk.in: Remove CC; rename
11684         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
11685
11686 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
11687
11688         PR tree-opt/20188
11689         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
11690         for the lhs, also walk over the tree.  Likewise for rhs.
11691
11692 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
11693
11694         * tree-ssa-dom.c (simple_iv_increment_p): New function.
11695         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
11696         Do not propagate value of iv before increment over the increment.
11697
11698 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
11699
11700         * c-parser.c: New file.
11701         * c-parse.in: Remove.
11702         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
11703         Remove.
11704         (c-parser.o): Add dependencies.
11705         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
11706         maintainer-clean, TAGS): Update.
11707         * c-config-lang.in (gtfiles): Update.
11708         * gengtype-lex.l: Don't handle "@@".
11709         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
11710         objc_build_synchronized, objc_begin_try_stmt,
11711         objc_begin_catch_clause, objc_finish_catch_clause,
11712         objc_build_finally_clause, objc_finish_try_stmt): New.
11713         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
11714         type_seen_p.
11715         (c_parse_init): Update comment.
11716         * c-decl.c (c_init_decl_processing): Update comment.
11717         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
11718         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
11719         new c_declspecs members.
11720
11721 2005-02-25  Julian Brown  <julian@codesourcery.com>
11722
11723         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
11724         from being used for symbols with vague linkage when
11725         HAVE_GAS_COMDAT_GROUP is true.
11726
11727 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
11728
11729         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
11730
11731 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
11732
11733         PR target/19930
11734         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
11735         (LIBGCC2_HAS_DF_MODE): New.
11736         (LIBGCC2_HAS_XF_MODE): New.
11737         (LIBGCC2_HAS_TF_MODE): New.
11738         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
11739         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
11740         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
11741         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
11742         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
11743         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
11744         and add _fixtfdi, _fixunstfdi, _floatditf
11745         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
11746         L_fixunstfdi, L_floatditf.
11747         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
11748         (LIBGCC2_HAS_TF_MODE): Define.
11749
11750 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
11751
11752         PR tree-optimization/20204
11753         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
11754         REWRITE_THIS_STMT markers on PHI nodes.
11755         (rewrite_initialize_block): Likewise.
11756
11757 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
11758
11759         * version.c (version_string): Update to 4.1.
11760
11761 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
11762
11763         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
11764         Clarify that the alternative way doesn't work in GNU C++.
11765
11766 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
11767
11768         PR tree-optimization/19937
11769         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
11770         to the type of the induction variable.
11771
11772 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
11773
11774         PR rtl-optimization/20117
11775         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
11776         the block including noncopyable insn.
11777
11778 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
11779
11780         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
11781         calls to find_reg_note.
11782
11783 2005-02-24  Richard Henderson  <rth@redhat.com>
11784
11785         PR tree-opt/20127
11786         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
11787         the type.
11788
11789 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
11790
11791         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
11792         vector types if to use base reg for misaligned non-word ld/std.
11793
11794 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
11795
11796         PR target/14619
11797         * config/cris/cris.c (cris_target_asm_function_prologue): Create
11798         dwarf2 label manually and put it after, not before the prologue.
11799
11800 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
11801
11802         PR target/19019
11803         * reload.c (operands_match_p): Only increment register number for
11804         SCALAR_INT_MODE_P modes in multiple hard registers.
11805
11806         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
11807         Fix formatting.
11808
11809 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11810
11811         * ChangeLog.5: Fix log message typo(s).
11812         * ChangeLog.7: Likewise.
11813         * ChangeLog.tree-ssa: Likewise.
11814         * cfgexpand.c: Fix comment typo(s).
11815         * conflict.c: Likewise.
11816         * defaults.h: Likewise.
11817         * dwarf2out.c: Likewise.
11818         * gcse.c: Likewise.
11819         * ggc-page.c: Likewise.
11820         * tree-eh.c: Likewise.
11821         * tree-ssa-dom.c: Likewise.
11822
11823 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
11824
11825         PR target/19019
11826         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
11827         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
11828         if SHARED is defined.
11829
11830         PR target/20196
11831         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
11832         allow splitting only if operands 0 and 3 don't overlap.
11833
11834 2005-02-24  Richard Henderson  <rth@redhat.com>
11835
11836         PR middle-end/19953
11837         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
11838         (fold_builtin_1): Call them.
11839         * fold-const.c (fold_complex_mult_parts): Split out from ...
11840         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
11841         (fold_complex_div_parts, fold_complex_div): New.
11842         (fold): Use them.
11843         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
11844
11845 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11846
11847         * tree-ssa-ccp.c (visit_assignment): Verify that result of
11848         VIEW_CONVERT_EXPR is_gimple_min_invariant.
11849
11850         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
11851         (print_node): Likewise.
11852         Print TYPE_SIZES_GIMPLIFIED.
11853
11854 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
11855
11856         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
11857         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
11858         operands as commutative in constraints.
11859
11860 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
11861
11862         * tree-into-ssa.c: Re-organize internal functions.
11863
11864 2005-02-24  Richard Henderson  <rth@redhat.com>
11865
11866         PR middle-end/18902
11867         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
11868         for c99.
11869         * common.opt (fcx-limited-range): New.
11870         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
11871         * toplev.c (flag_complex_method): Initialize to 1.
11872         (process_options): Set flag_complex_method to 0 if
11873         flag_cx_limited_range.
11874         * doc/invoke.texi (-fcx-limited-range): New.
11875
11876 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
11877
11878         * cse.c (delete_trivially_dead_insns): Speed up by using
11879         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
11880         prev_real_insn.
11881
11882 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
11883
11884         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
11885         functions when -mid-shared-library is being used.
11886
11887 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
11888
11889         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
11890         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
11891         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
11892         * system.h: Poison LINK_LIBGCC_SPECIAL.
11893
11894 2005-02-23  James E Wilson  <wilson@specifixinc.com>
11895
11896         * gengtype.c (note_insn_name): Make 1 element larger.
11897
11898 2005-02-23  Roger Sayle  <roger@eyesopen.com>
11899
11900         PR target/20018
11901         PR rtl-optimization/20097
11902         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
11903         BImode SUBREGs of SImode registers which confuse the ia64 backend.
11904
11905 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
11906
11907         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
11908         * t-aix52 (SHLIB_INSTALL): Same.
11909
11910 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
11911
11912         * genpreds.c: Update copyright.
11913
11914 2005-02-23  Michael Beach  <michaelb@ieee.org>
11915
11916         PR target/20159
11917         * config/sparc/t-elf (startup files): Assemble with CPP.
11918
11919 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
11920
11921         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
11922         (write_predicate_expr): Likewise.
11923
11924 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
11925
11926         PR tree-optimization/20100
11927         PR tree-optimization/20115
11928         * tree-optimize.c (init_tree_optimization_passes): Remove
11929         pass_maybe_create_global_var.
11930         * tree-pass.h (pass_maybe_create_global_var): Remove.
11931         * tree-ssa-alias.c (aliases_computed_p): Declare.
11932         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
11933         (count_calls_and_maybe_create_global_var): Remove.
11934         (pass_maybe_create_global_var): Remove.
11935         (init_alias_info): Do not declare aliases_computed_p.
11936         (maybe_create_global_var): If the function contains no
11937         call-clobbered variables and a mix of pure/const and regular
11938         function calls, create .GLOBAL_VAR.
11939         Mark all call-clobbered variables for renaming.
11940         (merge_pointed_to_info): Update comment.
11941         (add_pointed_to_var): Likewise.
11942         (is_escape_site): Likewise.
11943         Accept struct alias_info * instead of size_t *.
11944         Update all users.
11945         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
11946         as necessary.
11947         * tree-ssa-operands.c (get_call_expr_operands): If
11948         ALIASES_COMPUTED_P is false, do not add call-clobbering
11949         operands.
11950         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
11951         (delete_tree_ssa): Likewise.
11952
11953 2005-02-22  James E Wilson  <wilson@specifixinc.com>
11954
11955         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
11956         (do_compile): Do call it here.
11957
11958 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
11959
11960         PR rtl-optimization/20017.
11961         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
11962         rest_of_handle_cse2, rest_of_handle_gcse): Call
11963         delete_dead_jumptables immediately before calling cleanup_cfg.
11964
11965 2005-02-22  Devang Patel  <dpatel@apple.com>
11966
11967         PR 19952
11968         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
11969         all labels
11970
11971 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
11972
11973         * config/rs6000/aix.h (WINT_TYPE): Define.
11974
11975 2005-02-22  Stan Shebs  <shebs@apple.com>
11976
11977         * config/rs6000/rs6000.c (rs6000_override_options): Default to
11978         natural alignment for 64-bit Darwin.
11979         (rs6000_parse_alignment_option): Warn about uses of -malign-power
11980         on 64-bit Darwin.
11981         * doc/invoke.texi: Document this.
11982
11983 2005-02-22  DJ Delorie  <dj@redhat.com>
11984
11985         * c-common.c (c_common_type_for_mode): Pass the mode's precision
11986         to make_[un]signed_type, not the mode itself.
11987
11988 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
11989
11990         * cfg.c (cached_make_edge): Call make_edge if edge cache is
11991         not available.  Use tail calls wherever possible.
11992         (make_edge): Call unchecked_make_edge to create an edge.
11993
11994         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
11995         (coalesce_ssa_name): Don't check for
11996         SSANORM_USE_COALESCE_LIST.
11997         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
11998
11999 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
12000
12001         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
12002         (rewrite_into_ssa): ... here.
12003
12004 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
12005
12006         PR tree-optimization/19786
12007         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
12008         tag to another's may-alias bitmap when adding to the other's list.
12009
12010 2005-02-21  DJ Delorie  <dj@redhat.com>
12011
12012         * tree-ssa-loop-ivopts.c (computation_cost): Start register
12013         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
12014         registers in unsupported ways.
12015         * expmed.c (init_expmed): Likewise.
12016
12017 2005-02-21  Stan Cox  <scox@redhat.com>
12018
12019         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
12020
12021 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
12022
12023         * tree-cfg.c (fold_cond_expr_cond): New.
12024         (make_edges): Call fold_cond_expr_cond.
12025         (find_taken_edge): Accept nothing but INTEGER_CST.
12026         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
12027         and 1.
12028         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
12029
12030         * flow.c (delete_dead_jumptables): Speed up by scanning insns
12031         that do not belong to any basic block.
12032
12033 2005-02-21  Jeff Law  <law@redhat.com>
12034
12035         * cfganal.c (find_unreachable_blocks): Manually CSE load of
12036         e->dest.
12037
12038 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
12039
12040         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
12041         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
12042         Adjust their definitions.
12043         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
12044         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
12045
12046         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
12047         genautomata.c, langhooks.c, langhooks.h, system.h,
12048         config/arm/lib1funcs.asm: Update copyright.
12049
12050 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
12051
12052         * dbxout.c (dbxout_function_end): Emit Lscope label always.
12053
12054 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
12055
12056         PR bootstrap/13770
12057         * doc/install.texi: Document --with-gc.
12058
12059 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
12060
12061         * simplify-rtx.c (simplify_unary_operation): Add a missing
12062         "break" statement.
12063
12064 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
12065
12066         PR tree-optimization/18663
12067         * tree-ssa-dom.c (extract_range_from_cond): Return 0
12068         if the type has variable bounds.
12069
12070 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
12071
12072         * gcse.c: Remove an obsolete comment.
12073
12074         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
12075
12076 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
12077
12078         * doc/extend.texi (Function Attributes) <Attribute const>: The
12079         attribute "pure" is below this text, not above.
12080
12081 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12082
12083         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
12084         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
12085         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
12086
12087 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
12088
12089         PR 18785
12090         * langhooks.h (struct lang_hooks): Add to_target_charset.
12091         * langhooks.c (lhd_to_target_charset): New function.
12092         * langhooks-def.h: Declare lhd_to_target_charset.
12093         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
12094         (LANG_HOOKS_INITIALIZER): Update.
12095         * c-common.c (c_common_to_target_charset): New function.
12096         * c-common.h: Declare it.
12097         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
12098         c_common_to_target_charset.
12099
12100         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
12101         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
12102         Delete definitions.
12103         * system.h: Poison them.
12104         * doc/tm.texi: Don't discuss them.
12105         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
12106         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
12107         (pp_c_char): Do not attempt to generate letter escapes for
12108         newline, tab, etc.
12109         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
12110         * config/mips/mips.c (mips_output_ascii): Likewise.
12111
12112 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
12113
12114         PR tree-optimization/19951
12115         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
12116         is abnormal.
12117
12118 2005-02-19  Steven Bosscher  <stevenb@suse.de>
12119
12120         PR middle-end/19698
12121         * function.h (struct function): New field `max_loop_depth'.
12122         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
12123         (flow_loops_find): Reset the max loop depth count before finding loops.
12124         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
12125         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
12126         (calculate_global_regs_live): Make sure the loop will terminate
12127         when the initial sets are not empty.
12128
12129 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
12130
12131         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
12132         object inside.
12133         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
12134
12135 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
12136
12137         PR other/19525
12138         * doc/invoke.texi: Remove documentation of %M spec.
12139         * gcc.c: Likewise.
12140         (init_spec): Remove %M suffix from -lgcc_s.
12141         (do_spec_1): Remove 'M' case.
12142         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
12143         to put shared libraries in the multilib directory.  Remove the
12144         shlib_so_soname substitution variable.  Don't add a multilib encoding
12145         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
12146         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
12147         SHLIB_INSTALL as well as SHLIB_LINK.
12148         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
12149         (SHLIB_NAME): Delete.
12150         (SHLIB_DIR): New macro.
12151         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
12152         (SHLIB_INSTALL): Adjust accordingly.
12153         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
12154         * config/t-slibgcc-sld: Likewise.
12155         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
12156         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
12157         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
12158         in $(SHLIB_DIR).
12159         (SHLIBUNWIND_INSTALL): Adjust accordingly.
12160         * config/i386/t-nwld (SHLIB_SONAME): Delete.
12161         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
12162         Use @shlib_base_name@ instead of @shlib_so_name@.
12163         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
12164         and @shlib_base_name@.so in @multilib_dir@.
12165         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
12166         to the install path.
12167         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
12168         (SHLIB_LINK): Remove previous workaround.
12169         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
12170         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
12171         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
12172         the install path.
12173         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
12174         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
12175         (SHLIB_INSTALL): Adjust accordingly.
12176         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
12177         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
12178         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
12179         config/t-slibgcc-elf-ver.
12180
12181 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
12182             Jakub Jelinek  <jakub@redhat.com>
12183
12184         PR tree-optimization/19828
12185         * tree-ssa-loop-im.c: Add a TODO comment.
12186         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
12187         without side-effects.
12188
12189 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
12190
12191         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
12192         call fold_convert.
12193
12194 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
12195
12196         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
12197         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
12198         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
12199         functions.
12200         (ia64_reorg): Delete fixup_errata call.
12201         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
12202         (TARGET_SWITCHES): Delete -mb-step entry.
12203
12204 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
12205
12206         PR c/20043
12207         * c-typeck.c (composite_type): Handle quals in transparent unions.
12208         (type_lists_compatible_p): Likewise.
12209
12210 2005-02-18  Stan Shebs  <shebs@apple.com>
12211
12212         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
12213         expressions in the .literal8 section.
12214
12215 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
12216
12217         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
12218
12219 2005-02-18  Roger Sayle  <roger@eyesopen.com>
12220
12221         * fold-const.c (constant_boolean_node): Always create values of the
12222         specified type, don't bother calling truthvalue_conversion.
12223
12224 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
12225
12226         * except.c (output_function_exception_table): Call
12227         assemble_external_libcall (eh_personality_libfunc).
12228
12229 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
12230
12231         PR target/19886
12232         * config/ia64/ia64.h (struct machine_function): Add state_num.
12233         * config/ia64/ia64.c (process_epilogue,
12234         process_for_unwind_directive): Use new unwind state numbers each
12235         time rather than state 1.
12236
12237 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
12238
12239         PR target/20054
12240         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
12241         before the "*llgt_didi" pattern.
12242
12243 2005-02-18  Jason Merrill  <jason@redhat.com>
12244
12245         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
12246
12247 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
12248
12249         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
12250         (div0): Use it in place of ARM_FUNC_ALIAS.
12251         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
12252
12253 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
12254
12255         PR middle-end/20030
12256         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
12257         access, the lower bound of the array type if it exists.
12258
12259 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
12260
12261         PR c++/20008
12262         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
12263         cases that are out-of-range for the index type.
12264
12265 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
12266
12267         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
12268         (estimate_case_costs): Don't call convert.
12269         * expmed.c (expand_shift): Likewise.
12270         (make_tree): Call fold_convert instead of convert.
12271
12272 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
12273
12274         PR c++/19813
12275         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
12276         that ref to be marked MEM_READONLY_P doesn't have base that needs
12277         constructing.
12278
12279 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
12280
12281         * genautomata.c (output_get_cpu_unit_code_func,
12282         output_cpu_unit_reservation_p): Don't generate old-style function
12283         definitions.
12284
12285 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
12286
12287         PR c++/20023
12288         PR tree-optimization/20009
12289         * convert.c (convert_to_integer): Revert 2005-02-16 change.
12290
12291         PR tree-optimization/18947
12292         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
12293         inline, remove all nodes that are inlined into the extern inline
12294         being redefined.
12295
12296 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
12297
12298         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
12299         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
12300         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
12301         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
12302         Update copyright.
12303
12304 2005-02-17  Roger Sayle  <roger@eyesopen.com>
12305
12306         PR tree-optimization/19917
12307         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
12308         to be potentially trapping.
12309
12310 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
12311
12312         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
12313
12314 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
12315
12316         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
12317         tem becomes a local variable which is set to the value of the
12318         back end defined INITIAL_FRAME_ADDRESS macro.
12319         (expand_builtin_frame_address): Omit the base parameter to
12320         expand_builtin_return_addr.
12321         (expand_builtin_profile_func): Likewise.
12322         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
12323         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
12324         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
12325
12326 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
12327
12328         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
12329         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
12330         * config/frv/frv.c (frv_function_epilogue): Likewise.
12331
12332 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
12333
12334         * lambda-code (perfect_nestify): Remove mark/unmark
12335         for rewriting hack.
12336         * tree-loop-linear.c (linear_transform_loops): Add
12337         rewrite_into_ssa call so that ssa is correct for
12338         rewriting into loop closed.
12339
12340 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
12341
12342         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
12343         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
12344         BITMAP_FREE.
12345         * bt-load.c (btr_def_live_range, combine_btr_defs,
12346         migrate_btr_def, migrate_btr_defs): Likewise.
12347         * cfgcleanup.c (thread_jump): Likewise.
12348         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
12349         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
12350         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
12351         df_rd_local_compute, df_reg_info_compute): Likewise.
12352         * dominance.c (init_dom_info, free_dom_info): Likewise.
12353         * flow.c (init_propagate_block_info,
12354         free_propagate_block_info): Likewise.
12355         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
12356         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
12357         modify_reg_pav): Likewise.
12358         * loop-invariant.c (find_defs, find_invariant_insn,
12359         find_invariants, free_inv_motion_data): Likewise.
12360         * predict.c (tree_predict_by_opcode,
12361         estimate_bb_frequencies): Likewise.
12362         * stmt.c (expand_case): Likewise.
12363         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
12364         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
12365         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
12366         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
12367         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
12368         rewrite_ssa_into_ssa): Likewise.
12369         * tree-optimize.c (tree_rest_of_compilation): Likewise.
12370         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
12371         analyze_edges_for_bb, perform_edge_inserts): Likewise.
12372         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
12373         * tree-sra.c (tree_sra): Likewise.
12374         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
12375         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
12376         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
12377         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
12378         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
12379         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
12380         Likewise.
12381         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
12382         calculate_live_on_entry, calculate_live_on_exit,
12383         build_tree_conflict_graph): Likewise.
12384         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
12385         record_important_candidates, set_use_iv_cost, find_depends,
12386         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
12387         tree_ssa_iv_optimize_finalize): Likewise.
12388         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
12389         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
12390         tree_duplicate_loop_to_header_edge): Likewise.
12391         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
12392         * tree-ssa.c (verify_flow_insensitive_alias_info,
12393         verify_name_tags, verify_ssa, init_tree_ssa,
12394         delete_tree_ssa): Likewise.
12395         * tree-ssanames.c (marked_ssa_names, init_ssanames,
12396         fini_ssanames): Likewise.
12397         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
12398
12399 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
12400
12401         * config/rs6000/t-rtems: Completely reworked.
12402
12403 2005-02-17  Ira Rosen  <irar@il.ibm.com>
12404
12405         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
12406
12407 2005-02-17  Ira Rosen  <irar@il.ibm.com>
12408
12409         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
12410         POINTER_TYPE_P when checking that type is a pointer.
12411         (vect_get_memtag): Remove.
12412         (vect_address_analysis): Use POINTER_TYPE_P. Call
12413         vect_object_analysis with dummy parameter for memtag.
12414         (vect_object_analysis): Extract memtag (functionality that
12415         used to be in vect_get_memtag and moved here). Fix printings.
12416         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
12417         with correct parameters. Remove call to vect_get_memtag.
12418
12419 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
12420
12421         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
12422         (tree-vectorizer.o): Added missing dependencies.
12423
12424         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
12425         decleration.
12426         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
12427         declaration in tree-vectorizer.c, now has an extern declaration in
12428         tree-vectorizer.h).
12429         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
12430         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
12431         get_vectype_for_scalar_type, vect_is_simple_use,
12432         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
12433         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
12434         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
12435         vectorizable_store, vectorizable_operation, vectorizable_assignment,
12436         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
12437         find_loop_location): Likewise.
12438
12439         * tree-vectorizer.c (langhooks.h): #include removed.
12440         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
12441         moved to tree-vectorized.h.
12442         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
12443         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
12444         get_vectype_for_scalar_type, vect_is_simple_use,
12445         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
12446         vect_supportable_dr_alignment, new_loop_vec_info,
12447         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
12448         vect_set_verbosity_level, find_loop_location): Likewise.
12449
12450         (vect_analyze_loop): Function externalized. Declaration moved to
12451         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
12452         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
12453         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
12454         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
12455         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
12456         vect_enhance_data_refs_alignment, vect_analyze_operations,
12457         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
12458         vect_stmt_relevant_p, vect_get_loop_niters,
12459         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
12460         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
12461         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
12462         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
12463         vect_get_memtag): Likewise.
12464
12465         (vectorizable_load): Function externalized. Declaration moved to
12466         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
12467         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
12468         vect_transform_loop): Likewise.
12469         (vect_transform_stmt): Moved to tree-vect-transform.c.
12470         (vect_align_data_ref, vect_create_destination_var,
12471         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
12472         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
12473         vect_get_vec_def_for_operand, vect_init_vector,
12474         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
12475         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
12476         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
12477         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
12478         vect_do_peeling_for_loop_bound): Likewise.
12479
12480         * tree-vect-analyze.c: New file.
12481         * tree-vect-transform.c: New file.
12482
12483 2005-02-17  Jason Merrill  <jason@redhat.com>
12484
12485         PR mudflap/19319, c++/19317
12486         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
12487         slot explicit.
12488
12489 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
12490
12491         * doc/install.texi (Specific): Update link for Darwin-specific
12492         tool binary site.
12493
12494 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
12495
12496         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
12497         constant_boolean_node.
12498
12499 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
12500
12501         PR target/19019
12502         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
12503         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
12504
12505 2005-02-16  Richard Henderson  <rth@redhat.com>
12506
12507         PR 19920
12508         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
12509         with W_TYPE_SIZE.
12510         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
12511         replace uses with Wtype_MAXp1_F.
12512         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
12513         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
12514         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
12515         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
12516         and HAVE_TFMODE as appropriate.
12517         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
12518         (__floatdisf): Likewise.
12519         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
12520         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
12521         (Wtype_MAXp1_F): New.
12522         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
12523         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
12524
12525 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
12526
12527         * PR target/19162
12528         * arm.c (arm_apply_result_size): New function.
12529         * arm.h (APPLY_RESULT_SIZE): Define.
12530         * arm-protos.h (arm_apply_result_size): Add prototype.
12531         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
12532         (movxf): New expand.
12533         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
12534         (call_value_symbol): Remove predicate for operand 0.
12535         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
12536         (untyped_call): Rework to correclty return values for any type.
12537         (untyped_return): New expand.
12538         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
12539
12540 2005-02-16  Stan Shebs  <shebs@apple.com>
12541
12542         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
12543         * config/rs6000/t-darwin8: New, for 64-bit multilib.
12544
12545 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
12546
12547         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
12548         configure settings on Solaris 7 and later.
12549
12550 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
12551
12552         PR tree-optimization/19865
12553         * tree-optimize.c (init_tree_optimization_passes): Run
12554         pass_may_alias after pass_sra.
12555
12556 2005-02-16  Richard Henderson  <rth@redhat.com>
12557             Stuart Hastings  <stuart@apple.com>
12558
12559         PR debug/19521
12560         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
12561         Do nothing if debug info suppressed for this function.
12562         (dbxout_begin_function): Early exit if debug info suppressed for
12563         this function.
12564
12565 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
12566
12567         PR target/20007
12568         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
12569         find_basic_blocks.
12570         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
12571
12572         PR tree-optimization/19967
12573         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
12574         expand_builtin_strchr, expand_builtin_strrchr): Take a new
12575         argument TYPE.  Adjust calls to fold_builtin_XXX.
12576         (expand_builtin, fold_builtin_1): Adjust calls to
12577         expand_builtin_XXX.
12578         (fold_builtin_strchr, fold_builtin_strpbrk,
12579         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
12580         result to a requested type TYPE.
12581
12582 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
12583
12584         PR middle-end/19857
12585         * fold-const.c (fold): Don't optimize (T)(x & cst) to
12586         (T)x & (T)cst if (T)cst overflows.
12587         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
12588         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
12589
12590 2005-02-15  Jeff Law  <law@redhat.com>
12591
12592         * gcse.c (blocks_with_calls): New bitmap.
12593         (alloc_gcse_mem): Allocate it.
12594         (free_gcse_mem): Free it.
12595         (clear_modifY_mem_tables): Clear it.
12596         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
12597         when we encounter CALL_INSNs.
12598         (compute_transp, case MEM): Handle blocks with calls separate
12599         from blocks without calls.  Use bitmap iterators rather than
12600         FOR_EACH_BB.
12601
12602 2005-02-15  Peter O'Gorman  <peter@pogma.com>
12603
12604         PR bootstrap/18810
12605         * mklibgcc.in (vis_hide): Use a temporary object file, not
12606         -o /dev/null.
12607
12608 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
12609
12610         PR target/19924
12611         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
12612         access optimization.
12613
12614 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
12615             Alan Modra  <amodra@bigpond.net.au>
12616
12617         PR target/19019
12618         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
12619         (_xlqsub): Rename to __gcc_qsub.
12620         (_xlqmul): Rename to __gcc_qmul.
12621         (_xlqdiv): Rename to __gcc_qdiv.
12622         Provide versioned symbol aliases with old names.
12623         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
12624         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
12625         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
12626         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
12627         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
12628
12629 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
12630
12631         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
12632         Fold ~(A - 1) and ~(A + -1) to -A.
12633
12634 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
12635
12636         PR pch/14940
12637         PR target/19300
12638         * config/host-linux.c (linux_gt_pch_use_address): Copy from
12639         config/pa/pa-host.c:pa_gt_pch_use_address.
12640
12641 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
12642
12643         * tree-vn.c (get_value_handle): Make sure that given an
12644         is_gimple_min_invariant expression, we always return it.
12645
12646 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
12647
12648         * passes.c (rest_of_handle_gcse): Fix a comment.
12649
12650 2005-02-15  Jeff Law  <law@redhat.com>
12651
12652         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
12653         bitmap.
12654         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
12655         (canon_list_insert, record_last_mem_set_info): Similarly.
12656         (clear_modify_mem_tables): Similarly.
12657
12658 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
12659
12660         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
12661         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
12662         config/mips/mips.md, config/rs6000/aix.h,
12663         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
12664
12665 2005-02-15  Richard Henderson  <rth@redhat.com>
12666
12667         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
12668         call to be best_edge.
12669
12670 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
12671
12672         * basic-block.h: Adjust the prototype for find_basic_blocks.
12673         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
12674         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
12675         find_basic_blocks.
12676
12677         * flow.c (recompute_reg_usage): Remove all arguments.
12678         * passes.c (rest_of_compilation): Adjust the call to
12679         recompute_reg_usage.
12680         * rtl.h: Adjust the prototype for recompute_reg_usage.
12681
12682 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
12683
12684         * tree-dump.c (dump_files): Update to reflect new member
12685         of dump_file_info.
12686         (dump_register): Add new argument.
12687         Set glob name.
12688         (dump_switch_p_1): Check against glob name if doglob was passed.
12689         (dump_switch_p): Check against regular first, then glob if
12690         we didn't have any hits on the dump name.
12691         * tree-optimize.c (register_one_dump_file):
12692         Pass in glob name as well.
12693         * tree-pass.h (struct dump_file_info): Add glob
12694         member.
12695
12696 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
12697
12698         PR preprocessor/16323
12699         * doc/invoke.texi: Document that -Wendif-labels is on by default.
12700
12701 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
12702
12703         PR target/19019
12704         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
12705         (trunctfdf2_internal1): New.
12706         (trunctfdf2_internal2): Renamed from trunctfdf2.
12707
12708 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
12709
12710         PR tree-optimization/19853
12711         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
12712
12713 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
12714
12715         * passes.c (rest_of_handle_loop_optimize): Remove calls to
12716         delete_dead_jumptables and cleanup_cfg.
12717
12718 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
12719
12720         * reload.c (find_reloads): Swap address_reloaded flags when
12721         swapping commutative operands.
12722
12723 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
12724
12725         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
12726         Use standard_iv_increment_position for computing the bsi position
12727         for create_iv.
12728         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
12729         the bsi position.
12730
12731 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
12732
12733         PR target/17428
12734         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
12735         life range of hard registers.
12736         * value-prof.c (insn_prefetch_values_to_profile): Only
12737         scan normal insns.
12738
12739         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
12740         profile in libcalls.
12741
12742 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
12743
12744         * bitmap.h (bitmap_and_compl_into): Return bool.
12745         * bitmap.c (bitmap_and_compl_into): Return changed flag.
12746
12747 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
12748
12749         PR tree-optimization/19944
12750         * fold-const.c (fold): Re-add ABS_EXPR folding.
12751
12752 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
12753
12754         PR target/19019
12755         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
12756         {TARGET,MASK}_XL_COMPAT.
12757         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
12758         MASK_XL_COMPAT.
12759         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
12760         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
12761         TARGET_XL_COMPAT.
12762         (rs6000_arg_partial_bytes): Same.
12763         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
12764         and XL compatibility enabled.
12765         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
12766         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
12767         test to final condition.
12768         (cmptf_internal2): New.
12769         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
12770         xl-compat.  Add TFmode information to description.
12771
12772 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
12773
12774         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
12775
12776 2005-02-13  Jason Merrill  <jason@redhat.com>
12777
12778         PR c++/16405
12779         * fold-const.c (fold_indirect_ref_1): Split out from...
12780         (build_fold_indirect_ref): Here.
12781         (fold_indirect_ref): New fn.
12782         * tree.h: Declare it.
12783         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
12784         (gimplify_modify_expr_rhs): Likewise.
12785         (gimplify_expr): Likewise.
12786
12787 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
12788
12789         PR tree-optimization/14303
12790         PR tree-optimization/15784
12791         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
12792         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
12793         ABS_EXPR<x> != 0 to x != 0.
12794
12795 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
12796
12797         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
12798         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
12799         spelling conventions.
12800
12801         * passes.c (rest_of_handle_gcse): Don't run cse_main and
12802         delete_trivially_dead_insns too many times.
12803
12804         * passes.c (rest_of_handle_gcse): Remove dead assignments to
12805         tem and tem2.
12806
12807 2005-02-12  Ira Rosen  <irar@il.ibm.com>
12808
12809         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
12810         (vect_is_simple_iv_evolution): Remove redundant parameter
12811         and step check.
12812         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
12813         without last parameter.
12814         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
12815         Return pointer step. Call vect_is_simple_iv_evolution without
12816         last parameter. Check only that the step is multiple of size
12817         type. Remove stmt_vinfo updates.
12818         (vect_get_memtag_and_dr): Remove.
12819         (vect_get_memtag): New function.
12820         (vect_address_analysis): New function.
12821         (vect_object_analysis): New function.
12822         (vect_analyze_data_refs): Call vect_object_analysis and
12823         vect_get_memtag. Update stmt_vinfo fields.
12824
12825 2005-02-12  Ira Rosen  <irar@il.ibm.com>
12826
12827         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
12828         exist and are objects. Remove checks for pointer.
12829         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
12830         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
12831         (vect_create_data_ref_ptr): Likewise.
12832         (vect_base_addr_differ_p): New function.
12833         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
12834         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
12835         Don't set the DR_BASE_NAME field of data-ref.
12836         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
12837
12838 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
12839
12840         * optabs.h (enum optab_index): Add new OTI_ldexp.
12841         (ldexp_optab): Define corresponding macro.
12842         * optabs.c (init_optabs): Initialize ldexp_optab.
12843         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
12844         patterns.
12845         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
12846         using ldexp_optab.
12847         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
12848         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
12849
12850         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
12851         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
12852         intrinsics.
12853
12854 2005-02-12  Ira Rosen  <irar@il.ibm.com>
12855
12856         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
12857         to base_address.
12858         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
12859         stmt_vec_info.
12860         (vect_get_base_and_offset): Always return an address.
12861         (vect_create_addr_base_for_vector_ref): Remove treatment for
12862         different data reference types.
12863         (vect_compute_data_ref_alignment): Rename base to base_address in
12864         stmt_vec_info. Get the object in order to force its alignment.
12865         (vect_get_memtag_and_dr): Rename base to base_address in
12866         stmt_vec_info. Extract the object for memtag analysis.
12867
12868 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
12869
12870         PR regression/19898.
12871         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
12872         changes cc_status, use apply modified_in_p to part of cc_status
12873         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
12874         body.
12875
12876 2005-02-11  Richard Henderson  <rth@redhat.com>
12877
12878         * tree-complex.c (expand_complex_libcall): New.
12879         (expand_complex_multiplication): Use it for c99 compliance.
12880         (expand_complex_division): Likewise.
12881         * fold-const.c (fold_complex_add, fold_complex_mult): New.
12882         (fold): Call them.
12883         * builtins.c (built_in_names): Remove const.
12884         * tree.c (build_common_builtin_nodes): Build complex arithmetic
12885         builtins.
12886         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
12887         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
12888         (built_in_names): Remove const.
12889         * c-common.c (c_common_type_for_mode): Handle complex modes.
12890         * flags.h, toplev.c (flag_complex_method): Rename from
12891         flag_complex_divide_method.
12892         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
12893         __mulsc3, __muldc3, __mulxc3, __multc3): New.
12894         * libgcc2.h: Declare them.
12895         * libgcc-std.ver: Export them.
12896         * mklibgcc.in (lib2funcs): Build them.
12897
12898 2005-02-11  Steven Bosscher  <stevenb@suse.de>
12899
12900         PR tree-optimization/19876
12901         Partially revert my change from 2005-01-14
12902         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
12903         (compute_antic): ...and remove the loop here.
12904
12905 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
12906
12907         PR middle-end/19858
12908         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
12909         is number of inner's bits, avoid creating a BIT_FIELD_REF.
12910
12911         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
12912         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
12913
12914 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
12915
12916         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
12917         offsets for the big-endian 32-bit case.
12918
12919 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
12920
12921         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
12922
12923 2005-02-11  Dale Johannesen  <dalej@apple.com>
12924
12925         * cselib.c (cselib_process_insn):  Clear out regs where
12926         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
12927         * reload.c (find_equiv_reg): Ditto.
12928
12929 2005-02-11  Ian Lance Taylor  <ian@airs.com>
12930
12931         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
12932         with no elements.
12933
12934         * tree.c (build_function_type_list): Work correctly if there are
12935         no arguments.
12936
12937 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
12938
12939         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
12940         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
12941         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
12942         TARGET_ZARCH instead of TARGET_64BIT.
12943
12944 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
12945
12946         * config/rs6000/t-rtems:
12947         (MULTILIB_OPTIONS): Remove mcpu=602.
12948         (MUTLILIB_DIRNAMES): Remove m602.
12949         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
12950         Let mcpu=602 match mcpu=603.
12951         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
12952
12953 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12954
12955         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
12956         signal trampolines.
12957
12958 2005-02-10  David Daney  <ddaney@avtrex.com>
12959
12960         * config/alpha/linux-unwind.h: Add exception clause to copyright.
12961         * config/i386/linux-unwind.h: Likewise.
12962         * config/ia64/linux-unwind.h: Likewise.
12963         * config/mips/linux-unwind.h: Likewise.
12964         * config/pa/linux-unwind.h: Likewise.
12965         * config/rs6000/linux-unwind.h: Likewise.
12966         * config/s390/linux-unwind.h: Likewise.
12967         * config/sh/linux-unwind.h: Likewise.
12968         * config/sparc/linux-unwind.h: Likewise.
12969
12970 2005-02-10  Steven Bosscher  <stevenb@suse.de>
12971
12972         PR tree-optimization/17549
12973         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
12974         TER to replace a DEF with its expression if the DEF and the
12975         rhs of the expression we replace into have the same root
12976         variable.
12977
12978 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
12979
12980         * config/mips/mips.md: Fix the placement of the match_scratch in the
12981         lea64 peephole2.
12982
12983 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
12984
12985         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
12986         Fix comment typos.
12987
12988 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
12989
12990         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
12991         (strip_offset): Handle addresses.
12992         (add_address_candidates): Use strip_offset.
12993         (difference_cost): Reflect strip_offset change.
12994         (force_var_cost, difference_cost): Strip nops.
12995
12996 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
12997
12998         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
12999
13000         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
13001         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
13002         config/cris/cris-protos.h, config/cris/cris.c: Update
13003         copyright.
13004
13005 2005-02-10  Jeff Law  <law@redhat.com>
13006
13007         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
13008         (lookup_avail_expr): Similarly.
13009
13010 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
13011
13012         * builtins.c (fold_builtin_powi): New function.
13013         (fold_builtin_1): Call it.
13014
13015 2005-02-10  Steven Bosscher  <stevenb@suse.de>
13016
13017         PR documentation/19309
13018         * doc/cpp.texi: The __GNUC__ and related predefined macros
13019         are also defined for the "standalone" cpp.
13020         Some non-GCC compilers may also define __GNUC__.
13021
13022 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
13023
13024         PR c/19342
13025         * c-typeck.c (common_type): New routine.  Old common_type renamed
13026         to...
13027         (c_common_type): ...this.
13028         (build_conditional_expr, build_binary_op): Use c_common_type instead
13029         of common_type.
13030
13031 2005-02-10  Steven Bosscher  <stevenb@suse.de>
13032
13033         * doc/md.texi: Replace @samp{length} with @code{length}.
13034
13035 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
13036
13037         PR tree-optimization/18687
13038         * tree-flow.h (find_loop_niter): Declare.
13039         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
13040         Try using scev even for loops with more than one exit.
13041         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
13042         (struct ivopts_data): Added niters field.
13043         (struct nfe_cache_elt): New.
13044         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
13045         functions.
13046         (tree_ssa_iv_optimize_init): Initialize niters cache.
13047         (determine_number_of_iterations): Removed.
13048         (find_induction_variables): Do not call determine_number_of_iterations.
13049         Access niters for single exit through niter_for_single_dom_exit.
13050         (add_iv_outer_candidates): Access niters for single exit through
13051         niter_for_single_dom_exit.
13052         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
13053         number_of_iterations_cond.
13054         (iv_period): New function.
13055         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
13056         (may_replace_final_value): Take data argument.  Use
13057         niter_for_single_dom_exit.
13058         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
13059         (rewrite_use_compare): Pass data to may_eliminate_iv.
13060         (rewrite_use_outer): Pass data to may_replace_final_value.
13061         (free_loop_data): Clean up the niters cache.
13062         (tree_ssa_iv_optimize_finalize): Free the niters cache.
13063         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
13064         * tree-ssa-loop-niter.c (find_loop_niter): New function.
13065         (find_loop_niter_by_eval): Use tree_int_cst_lt.
13066         (num_ending_zeros): Moved to tree.c.
13067         * tree.h (num_ending_zeros): Declare.
13068         * tree.c (num_ending_zeros): Moved from tree.c.
13069
13070 2005-02-09  Richard Henderson  <rth@redhat.com>
13071
13072         * builtins.c (DEF_BUILTIN): Add COND argument.
13073         * tree.h (DEF_BUILTIN): Likewise.
13074         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
13075         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
13076         match.
13077         (DEF_BUILTIN_STUB): New.
13078         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
13079         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
13080         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
13081         * c-common.c (DEF_BUILTIN): Add COND argument.
13082         * tree.c (local_define_builtin): New.
13083         (build_common_builtin_nodes): New.
13084
13085 2005-02-09  Roger Sayle  <roger@eyesopen.com>
13086
13087         * fold-const.c (fold_strip_sign_ops): New function to simplify a
13088         floating point expression ignoring the sign of the result.
13089         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
13090         (fold) <MULT_EXPR>: Use it to simplify x*x.
13091         * tree.h (fold_strip_sign_ops): Prototype here.
13092         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
13093         argument.  Use fold_strip_sign_ops to simplify the first argument.
13094         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
13095         first argument when the second argument is an even integer
13096         constant, but only with -funsafe_math_optimizations.
13097         (fold_builtin_1): Update call to fold_builtin_copysign.
13098
13099 2005-02-09  Ian Lance Taylor  <ian@airs.com>
13100
13101         PR middle-end/19583
13102         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
13103         just check whether EH_FILTER_FAILURE falls through.
13104
13105 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
13106
13107         * gcc/haifa-sched.c (schedule_block): Make queued sched group
13108         insns return to ready list in the next turn.
13109
13110 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
13111
13112         PR middle-end/19402
13113         * builtins.def: New __builtin_powi[lf].
13114         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
13115         (expand_builtin_powi): New function.
13116         (expand_builtin): Dispatch to expand_builtin_powi.
13117         * libgcc2.h: Add prototypes for __builtin_powi[lf].
13118         * libgcc2.c: Add __builtin_powi[lf] implementation.
13119         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
13120         * optabs.h: Add powi_optab.
13121         * optabs.c (init_optabs): Initialize powi_optab.
13122         * doc/extend.texi: Document __builtin_powi[lf].
13123
13124 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
13125
13126         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
13127         exists.
13128
13129 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
13130
13131         PR middle-end/19854
13132         * fold-const.c (try_move_mult_to_index): Remove redundant
13133         type argument.  Create ADDR_EXPR with correct type.
13134         (fold): Update callers of try_move_mult_to_index.  Convert
13135         result to the appropriate type.
13136
13137 2005-02-09  Roger Sayle  <roger@eyesopen.com>
13138
13139         PR target/19597
13140         * config/avr/avr.c (default_rtx_costs): Delete.
13141         (avr_operand_rtx_cost): New function.
13142         (avr_rtx_costs): Completely rewrite.
13143
13144 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
13145
13146         PR target/19806
13147         * config/cris/cris.c (in_code): New variable.
13148         (cris_output_addr_const): Now a static function, a wrapper for
13149         output_addr_const.
13150         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
13151         case from old cris_output_addr_const.
13152         (cris_asm_output_label_ref): Similar for LABEL_REF.
13153         (cris_output_addr_const_extra): Similar for UNSPEC.
13154         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
13155         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
13156         * config/cris/cris-protos.h (cris_output_addr_const): Remove
13157         declaration.
13158         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
13159         (cris_asm_output_label_ref): Declare.
13160
13161 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
13162
13163         PR preprocessor/19801
13164         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
13165         filenames that changed when libcpp was moved to the toplevel.
13166
13167 2005-02-07  Roger Sayle  <roger@eyesopen.com>
13168
13169         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
13170         zero extensions of BImode operands.  Call lowpart_subreg instead
13171         of gen_lowpart_common and gen_lowpart_SUBREG.
13172
13173 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
13174
13175         PR ada/19489
13176         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
13177         * configure.ac: Set cc_for_cross_gnattools.
13178         * configure: Regenerate.
13179
13180 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
13181
13182         PR target/19803
13183         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
13184
13185 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13186
13187         PR debug/19327
13188         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
13189         of nested functions.
13190
13191 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
13192
13193         * doc/extend.texi: Document deprecated extensions allowing
13194         static floating-point members to have initializers and allowing
13195         floating-point literals in integral constant expressions.
13196
13197 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
13198
13199         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
13200         config/darwin7.h, config/mips/mips.c,
13201         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
13202         Update copyright.
13203
13204         * cse.c: Update comments.
13205
13206 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
13207
13208         PR middle-end/19775
13209         * builtins.c (fold_builtin_sqrt): Transform
13210         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
13211         pow(x,y*0.5).
13212
13213 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
13214             Dorit Naishlos  <dorit@il.ibm.com>
13215
13216         * doc/invoke.texi (ftree-vectorizer-verbose): New.
13217         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
13218         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
13219         was added.
13220         * tree.h (vect_set_verbosity_level): New extern function declaration
13221         added.
13222         * tree-vectorizer.h (verbosity_levels): New enum type.
13223         * tree-vectorizer.c (vect_debug_stats): Function removed.
13224         (vect_debug_details): Likewise.
13225         (vect_verbosity_level): Global variable was defined and initialized.
13226         (vect_dump): Global variable definition.
13227         (vect_print_dump_info): New function.
13228         (vect_set_dump_settings): New function.
13229         (vect_set_verbosity_level): New function.
13230         (vectorize_loops): Add call to vect_set_dump_settings.
13231
13232         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
13233         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
13234         (slpeel_tree_peel_loop_to_edge): Likewise.
13235
13236         (vect_analyze_offset_expr): Call to vect_print_dump_info with
13237         appropriate verbosity level instead of call to vect_debug_details
13238         or vect_debug_stats.
13239         (vect_get_base_and_offset):
13240         (vect_create_addr_base_for_vector_ref):
13241         (get_vectype_for_scalar_type):
13242         (vect_create_data_ref_ptr):
13243         (vect_init_vector):
13244         (vect_get_vec_def_for_operand):
13245         (vect_finish_stmt_generation):
13246         (vectorizable_assignment):
13247         (vectorizable_operation):
13248         (vectorizable_store):
13249         (vectorizable_load):
13250         (vect_transform_stmt):
13251         (vect_update_ivs_after_vectorizer):
13252         (vect_do_peeling_for_loop_bound):
13253         (vect_update_inits_of_drs):
13254         (vect_do_peeling_for_alignment):
13255         (vect_transform_loop):
13256         (vect_is_simple_use):
13257         (vect_analyze_operations):
13258         (vect_is_simple_iv_evolution):
13259         (vect_analyze_scalar_cycles):
13260         (vect_analyze_data_ref_dependence):
13261         (vect_analyze_data_ref_dependences):
13262         (vect_compute_data_ref_alignment):
13263         (vect_enhance_data_refs_alignment):
13264         (vect_analyze_data_refs_alignment):
13265         (vect_analyze_data_ref_access):
13266         (vect_analyze_data_ref_accesses):
13267         (vect_analyze_pointer_ref_access):
13268         (vect_get_memtag_and_dr):
13269         (vect_analyze_data_refs):
13270         (vect_mark_relevant):
13271         (vect_stmt_relevant_p):
13272         (vect_mark_stmts_to_be_vectorized):
13273         (vect_can_advance_ivs_p):
13274         (vect_get_loop_niters):
13275         (vect_analyze_loop_form):
13276         (vect_analyze_loop):
13277         (vectorize_loops): Likewise.
13278
13279         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
13280         (vect_update_inits_of_drs):
13281         (vect_do_peeling_for_alignment):
13282         (vect_transform_loop):
13283         (vect_analyze_operations):
13284         (vect_analyze_scalar_cycles):
13285         (vect_analyze_data_ref_dependences):
13286         (vect_analyze_data_refs_alignment):
13287         (vect_analyze_data_ref_accesses):
13288         (vect_analyze_data_refs):
13289         (vect_mark_stmts_to_be_vectorized):
13290         (vect_get_loop_niters):
13291         (vect_analyze_loop_form):
13292         (vect_analyze_loop): Likewise.
13293         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
13294
13295 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
13296
13297         PR bootstrap/19796
13298         Revert:
13299         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
13300         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
13301         either -ffast-math or -funsafe-math-optimizations is in use.
13302
13303         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
13304         * config/mips/irix-csr.c: New file.
13305         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
13306         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
13307         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
13308         executables.
13309
13310 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
13311
13312         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
13313         redundant, incorrect definitions.
13314
13315         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
13316         expand.
13317         ("*tls_indirect_call"): New, reference hard regs directly.
13318         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
13319
13320 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
13321
13322         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
13323         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
13324
13325 2005-02-06  Roger Sayle  <roger@eyesopen.com>
13326
13327         PR rtl-optimization/19800
13328         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
13329         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
13330         gen_lowpart.
13331
13332 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
13333
13334         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
13335
13336 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
13337
13338         PR other/17135
13339         * doc/invoke.texi: Correct documentation of -freorder-functions.
13340
13341 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
13342
13343         PR other/14402
13344         * doc/invoke.texi: Don't mention gccbug.
13345
13346 2005-02-06  Roger Sayle  <roger@eyesopen.com>
13347             Andrew Pinski  <pinskia@physics.uc.edu>
13348             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
13349
13350         * simplify-rtx.c (simplify_relational_operation_1): Simplify
13351         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
13352         into just (zero_extract:SI FOO (const_int 1) BAR).
13353
13354 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
13355
13356         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
13357         macro locally.  Don't give last revision date.  Use GCC version
13358         number from gcc-common.texi.
13359         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
13360         revision date.  Use GCC version number from gcc-common.texi.
13361         Describe being a library as current state rather than as 3.x
13362         history.
13363         * doc/gcc.texi: Remove last update date.
13364         * doc/gccint.texi: Likewise.  Update copyright dates.
13365         * doc/install.texi: Update copyright dates.
13366
13367 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
13368
13369         PR other/7549
13370         * doc/invoke.texi: Mention for each option included in -Wall that
13371         it is included in -Wall.
13372         * doc/gcc.texi: Update copyright and last modification date.
13373
13374 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
13375
13376         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
13377         unnecessary cast to original induction variable increments.
13378
13379 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
13380
13381         PR tree-optimization/18219
13382         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
13383         in distributed form.
13384
13385 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
13386
13387         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
13388         Set bitpos and offset later in the function.  Do nothing if the
13389         target is a register and if the bitfield lies completely outside
13390         that register.
13391         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
13392         here.  Return an uninitialised register if the source value is stored
13393         in a register and the bitfield lies completely outside that register.
13394
13395 2005-02-06  Steven Bosscher  <stevenb@suse.de>
13396
13397         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
13398         not SET_DEST.
13399
13400 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
13401
13402         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
13403
13404 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
13405
13406         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
13407         * config/darwin8.h: New.
13408         * config/darwin7.h: Update comment.
13409
13410 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
13411             Dorit Naishlos  <dorit@il.ibm.com>
13412
13413         * tree-vectorizer.h (LOC): New type.
13414         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
13415         (loop_line_number): New field in struct _loop_vec_info.
13416         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
13417
13418         * tree-vectorizer.c (input.h): Included.
13419         (find_loop_location): New function.
13420         (vect_debug_stats): Argument changed from loop to LOC. Computation of
13421         loop line number removed.
13422         (vect_debug_details): Likewise.
13423         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
13424
13425         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
13426         call to vect_debug_details/stats changed from loop to loop_loc.
13427         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
13428         (slpeel_tree_peel_loop_to_edge): Likewise.
13429
13430         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
13431         changed from NULL to UNKNOWN_LOC.
13432         (vect_get_base_and_offset):
13433         (vect_create_addr_base_for_vector_ref):
13434         (get_vectype_for_scalar_type):
13435         (vect_create_data_ref_ptr):
13436         (vect_init_vector):
13437         (vect_get_vec_def_for_operand):
13438         (vect_finish_stmt_generation):
13439         (vectorizable_assignment):
13440         (vectorizable_operation):
13441         (vectorizable_store):
13442         (vectorizable_load):
13443         (vect_transform_stmt):
13444         (vect_update_ivs_after_vectorizer):
13445         (vect_do_peeling_for_loop_bound):
13446         (vect_do_peeling_for_alignment):
13447         (vect_transform_loop):
13448         (vect_is_simple_use):
13449         (vect_analyze_operations):
13450         (vect_is_simple_iv_evolution):
13451         (vect_analyze_scalar_cycles):
13452         (vect_analyze_data_ref_dependences):
13453         (vect_compute_data_ref_alignment):
13454         (vect_enhance_data_refs_alignment):
13455         (vect_analyze_data_ref_access):
13456         (vect_analyze_data_ref_accesses):
13457         (vect_analyze_pointer_ref_access):
13458         (vect_get_memtag_and_dr):
13459         (vect_analyze_data_refs):
13460         (vect_mark_relevant):
13461         (vect_stmt_relevant_p):
13462         (vect_mark_stmts_to_be_vectorized):
13463         (vect_can_advance_ivs_p):
13464         (vect_get_loop_niters):
13465         (vect_analyze_loop):
13466         (vectorize_loops): Likewise.
13467
13468         (vectorizable_load): Argument in call to vect_debug_details/stats
13469         changed from loop to LOOP_LOC (loop_vinfo).
13470         (vect_transform_loop):
13471         (vect_analyze_operations):
13472         (vect_analyze_scalar_cycles):
13473         (vect_analyze_data_ref_dependence):
13474         (vect_enhance_data_refs_alignment):
13475         (vect_analyze_data_ref_accesses):
13476         (vect_analyze_pointer_ref_access):
13477         (vect_analyze_data_refs):
13478         (vect_analyze_loop): Likewise.
13479
13480         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
13481         changed from loop to loop_loc.
13482
13483         (vect_enhance_data_refs_alignment): Removed unused variable loop.
13484
13485 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
13486             Dorit Naishlos  <dorit@il.ibm.com>
13487
13488         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
13489         declaration added.
13490         (vect_analyze_data_ref_dependences): Likewise.
13491
13492         (vect_is_simple_use): Argument changed from loop structure to
13493         loop_vect_info structure.
13494         (vect_can_advance_ivs_p): Likewise.
13495         (vect_create_index_for_vector_ref): Likewise.
13496         (vect_update_ivs_after_vectorizer): Likewise.
13497         (new_stmt_vec_info): Likewise.
13498
13499         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
13500         changed from loop to loop_vinfo.
13501         (vect_create_data_ref_ptr): First argument in call to
13502         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
13503         (vectorizable_assignment): Second argument in call to vect_is_simple_use
13504         was changed from loop to loop_vinfo.
13505         (vectorizable_operation): Likewise.
13506         (vectorizable_store): Likewise.
13507         (vect_mark_stmts_to_be_vectorized): Likewise.
13508         (vect_do_peeling_for_loop_bound): First argument in call to
13509         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
13510         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
13511         was changed from loop to loop_vinfo.
13512         (vect_analyze_data_ref_dependences): Third argument in call to
13513         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
13514
13515         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
13516         (vect_create_data_ref_ptr): Likewise.
13517         (vect_init_vector): Likewise.
13518         (vect_get_vec_def_for_operand): Likewise.
13519         (vectorizable_assignment): Likewise.
13520         (vectorizable_operation): Likewise.
13521         (vectorizable_store): Likewise.
13522         (vectorizable_load): Likewise.
13523         (vect_update_ivs_after_vectorizer): Likewise.
13524         (vect_is_simple_use): Likewise.
13525         (vect_analyze_data_ref_dependence): Likewise.
13526         (vect_analyze_pointer_ref_access): Likewise.
13527         (vect_can_advance_ivs_p): Likewise.
13528
13529         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
13530         before _stmt_vec_info.
13531         (_stmt_vec_info): Loop field replaced by loop_vec_info.
13532         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
13533         (new_stmt_vec_info): Argument changed from loop structure to
13534         loop_vect_info structure
13535
13536         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
13537         (vect_analyze_offset_expr): Avoid 80 columns overflow.
13538         (vect_create_addr_base_for_vector_ref): Likewise.
13539         (vect_analyze_pointer_ref_access): Likewise.
13540
13541 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
13542
13543         PR tree-opt/19768
13544         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
13545         phi flag if the phi is abnormal.
13546
13547 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
13548
13549         PR tree-opt/19736
13550         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
13551         information for the new statement.
13552
13553 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
13554
13555         PR driver/19117
13556         * gcc.c (main): Include the target in -v output.
13557
13558 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
13559
13560         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
13561         Do not drop the extend if we'd have to add a paradoxical subreg
13562         later.  Include optabs.h and insn-codes.h.
13563         * Makefile.in (combine.o): Depend on $(OPTABS_H).
13564
13565 2005-02-02  Roger Sayle  <roger@eyesopen.com>
13566
13567         PR middle-end/19405
13568         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
13569         * fold-const.c (const_binop): Avoid constant folding floating
13570         point operations in modes that use composite representations.
13571         * simplify-rtx.c (simplify_binary_operation): Likewise.
13572
13573 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
13574
13575         * config/rs6000/altivec.md (altivec_dst): Make the first operand
13576         a REG, not a MEM.
13577         (altivec_dstt): Likewise.
13578         (altivec_dstst): Likewise.
13579         (altivec_dststt): Likewise.
13580         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
13581         of first operand.
13582
13583 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
13584
13585         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
13586         EXPR_LOCUS from orig_cond to the new cond_stmt.
13587         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
13588         the new vec_stmt.
13589
13590 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
13591
13592         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
13593         standard_iv_increment_position. Remove call to bsi_next
13594         (no need to bump the iterator anymore).
13595         (vect_create_index_for_vector_ref): Call
13596         standard_iv_increment_position. Remove second function argument.
13597         (vect_finish_stmt_generation): Remove call to bsi_next
13598         (no need to bump the iterator anymore).
13599         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
13600         to vect_create_index_for_vector_ref.
13601
13602 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
13603
13604         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
13605         phis are used out of the loop.
13606
13607 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
13608
13609         PR c/17807
13610         * c-decl.c (undef_nested_function): New variable.
13611         (pop_scope): Diagnose undefined nested functions.
13612         (finish_function): Don't attempt cgraph processing or genericizing
13613         if current top-level function contained an undefined nested
13614         function.  Reset undef_nested_function at the end of a top-level
13615         function.
13616
13617 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
13618
13619         * tree.c (build_int_cst_type): Take sign of the value into account
13620         when deciding whether sign extend the value.
13621
13622 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
13623
13624         PR c/18502
13625         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
13626         (cpp_options, cc1_options): Change %{std*&ansi} to
13627         %{std*&ansi&trigraphs}.
13628
13629 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
13630
13631         * cse.c: Update comments.
13632
13633 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
13634
13635         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
13636         arguments go on the stack.  Do not put complex doubles in odd/even
13637         pairs.
13638
13639 2005-02-02  Steven Bosscher  <stevenb@suse.de>
13640
13641         * doc/invoke.texi: Update the options enabled at -O1, -O2,
13642         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
13643         -ftree-pre, and -fthread-jumps.
13644
13645 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
13646
13647         PR tree-optimization/19578
13648         * tree-flow.h (modified_noreturn_calls): Declare.
13649         (noreturn_call_p): Declare.
13650         * tree-flow-inline.h (noreturn_call_p): New function.
13651         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
13652         * tree-cfg.c (modified_noreturn_calls): New variable.
13653         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
13654         that contain a mid-block noreturn call.
13655         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
13656
13657 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
13658
13659         * df.c (df_def_record_1, df_uses_record): Don't use
13660         DF_FOR_REGALLOC.
13661         * df.h (DF_FOR_REGALLOC): Remove.
13662
13663 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
13664
13665         PR c/19435
13666         * c-typeck.c (really_start_incremental_init): Reset
13667         constructor_max_index for arrays of incomplete type.
13668
13669 2005-02-02  Jeff Law  <law@redhat.com>
13670
13671         * gcse.c (struct reg_set): Store the block index where the register
13672         was set rather than the setting insn.
13673         (record_one_set, compute_transp): Corresponding changes.
13674         (pre_insert_copy_insn): Do not call replace_one_set.
13675         (replace_one_set): Remove.
13676
13677 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
13678
13679         PR other/15514
13680         * doc/gcov.texi: Fix typo.
13681
13682 2005-02-01  Richard Henderson  <rth@redhat.com
13683
13684         PR target/19680
13685         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
13686         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
13687         type to bool.
13688         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
13689         * config/i386/i386-protos.h: Update.
13690
13691 2005-02-01  Steven Bosscher  <stevenb@suse.de>
13692
13693         PR tree-optimization/19217
13694         * tree-cfg.c (verify_expr): Use the data field to see if TP was
13695         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
13696         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
13697         that it is walking a PHI node.
13698
13699 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
13700
13701         * doc/extend.texi (Nested Functions): Update.
13702
13703 2005-02-01  Richard Henderson  <rth@redhat.com>
13704
13705         PR 19696
13706         * optabs.c (expand_copysign_absneg): Export.
13707         * optabs.h (expand_copysign_absneg): Declare.
13708         * config/rs6000/rs6000.md (copysigntf3): New.
13709
13710 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
13711
13712         PR tree-optimization/19633
13713         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
13714         * tree-ssa-alias.c (init_alias_info): Initialize.
13715         (merge_pointed_to_info): Set.
13716         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
13717         (dump_points_to_info_for): Show value of pt_null.
13718         (struct count_ptr_d): Declare.
13719         (find_ptr_dereference): Remove.
13720         (ptr_is_dereferenced_by): Remove.
13721         (count_ptr_derefs): New local function.
13722         (count_uses_and_derefs): New local function.
13723         (compute_points_to_and_addr_escape): Call it.  If the number
13724         of dereferences is greater than zero, mark the pointer as
13725         dereferenced.  If there are fewer dereferences than uses of
13726         the pointer, the pointer's value escapes.
13727
13728 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
13729
13730         PR tree-optimization/19670
13731         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
13732         here...
13733         (verify_use): ... set it here, instead.
13734
13735 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
13736
13737         * doc/sourcebuild.texi (Test directives): Fix formatting.
13738
13739         * doc/sourcebuild.texi (Test directives): Describe selector
13740         expressions.
13741
13742 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
13743
13744         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
13745         specific 64-bit CPUs.
13746
13747 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
13748
13749         PR target/16201
13750         * arm.c (arm_eliminable_register): New function.
13751         (adjacent_mem_locations): Don't allow eliminable registers.  Use
13752         HOST_WIDE_INT for address offsets.
13753         * arm-protos.h (arm_eliminable_register): Add prototype.
13754
13755 2005-02-01  Steven Bosscher  <stevenb@suse.de>
13756
13757         PR optimization/15242
13758         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
13759         * basic-block.h (duplicate_computed_gotos): Add prototype.
13760         * bb-reorder.c (duplicate_computed_gotos): New function to
13761         duplicate sufficiently small blocks ending in a computed jump.
13762         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
13763         if not optimizing for size.
13764         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
13765         never do tail merging for blocks ending in a computed jump.
13766         * doc/invoke.texi: Document the max-goto-duplication-insns param.
13767
13768 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
13769
13770         Patch from Richard Sandiford <rsandifo@redhat.com>
13771         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
13772         from inheriting a subreg equivalence with a non-spill register.
13773
13774         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
13775
13776 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
13777
13778         * config/frv/frv.c (movcc_fp_destination_operand): New.
13779         (gpr_or_memory_operand): Fix typo in comment.
13780         (gpr_or_memory_operand_with_scratch): New.
13781         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
13782         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
13783         movcc_fp_destination_operand.
13784         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
13785         Legitimize memory addresses using a scratch register.
13786
13787 2005-01-31  Jeff Law  <law@redhat.com>
13788
13789         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
13790         bitmap a sparse bitmap instead of a simple bitmap.
13791         (mark_def_sites_initialize_block):  Corresponding changes.
13792         (ssa_mark_def_sites_initialize_block): Likewise.
13793         (ssa_mark_phi_uses): Likewise.
13794         (mark_def_site, ssa_mark_def_sites): Likewise.
13795         (mark_def_site_blocks): Likewise.
13796         (rewrite_ssa_into_ssa): Likewise.
13797
13798         * tree-ssa-dom.c (record_cond): Pass correct variable type
13799         for last argument to htab_find_slot_with_hash.
13800
13801         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
13802         effects when optimizing 0 % X.  Do not try to optimize X % 0.
13803
13804 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
13805
13806         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
13807         1_mmalua.
13808
13809 2005-02-01  Eric Christopher  <echristo@redhat.com>
13810
13811         * config/mips/mips.c (override_options): Warn if -mint64
13812         is used.
13813         * doc/invoke.texi (MIPS Options): Document that -mint64 is
13814         deprecated.
13815
13816 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
13817
13818         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
13819         timestamp.
13820         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
13821         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
13822         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
13823         (cached_regno): Initialize to INVALID_REGNUM.
13824         (cse_reg_info_table_size,
13825         cse_reg_info_table_first_uninitialized,
13826         cse_reg_info_timestamp): New.
13827         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
13828         get_cse_reg_info.
13829         (init_cse_reg_info, get_cse_reg_info_1): New.
13830         (get_cse_reg_info): Cache the last look-up.
13831         (new_basic_block): Update the code to clear mappings from
13832         registers to cse_reg_info entries.
13833         (cse_main): Call init_cse_reg_info.
13834
13835         * cse.c (get_cse_reg_info): Update a comment.
13836
13837 2005-01-31  Steven Bosscher  <stevenb@suse.de>
13838
13839         PR c/19333
13840         * c-decl.c (start_decl): Do not warn about arrays of elements with
13841         an incomplete type here.
13842         (grokdeclarator): Do it here by making a pedwarn an error.
13843         * c-typeck.c (push_init_level): If there were previous errors with
13844         the constructor type, do not warn about braces for initializers.
13845         (process_init_element): Likewise for excess initializer elements.
13846
13847 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
13848
13849         * cse.c (delete_trivially_dead_insn): Don't iterate.
13850
13851 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
13852
13853         * config/rs6000/rs6000.md (copysignsf3): New expand.
13854         (copysigndf3): Likewise.
13855
13856 2005-01-31  Steven Bosscher  <stevenb@suse.de>
13857
13858         * recog.c (constrain_operands): Only look for earlyclobber operand
13859         conflicts if an '&' constraint was seen.
13860
13861 2005-01-31  Marc Espie <espie@openbsd.org>
13862
13863         * config.gcc: Don't include embedded systems fragment, switches default
13864         debugging format to ELF.
13865         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
13866         longer pick it up there.
13867
13868 2005-01-31  Dale Johannesen  <dalej@apple.com>
13869
13870         * doc/extend.texi (nested functions): Fix linkage description.
13871         Clarify that static is not allowed.
13872
13873 2005-01-31  Dale Johannesen  <dalej@apple.com>
13874
13875         * config/rs6000/darwin.md (movsf_low_di):  Make work.
13876         (movdf_low_di):  Make work.
13877
13878 2005-01-31  Dale Johannesen  <dalej@apple.com>
13879
13880         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
13881         Make work for 64 bit.
13882
13883 2005-01-31  Roger Sayle  <roger@eyesopen.com>
13884             Dale Johannesen  <dalej@apple.com>
13885
13886         PR middle-end/19650
13887         * fold-const.c (fold_binary_op_with_conditional_arg):
13888         Make types match original operands, before STRIP_NOPS.
13889
13890 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
13891
13892         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
13893         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
13894         (struct gcc_sigcontext): Delete.  Merge contents to..
13895         (struct gcc_ucontext): ..here.
13896         (get_sigcontext): Delete.
13897         (get_regs): New function, like get_sigcontext but return regs ptr.
13898         64-bit version finds regs from r1 to support vdso.
13899         (ppc_linux_aux_vector): New function.
13900         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
13901         and vector regs.
13902
13903 2005-01-31  Ira Rosen  <irar@il.ibm.com>
13904
13905         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
13906         sizetype.
13907         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
13908         redundant fold. Fix misalignment for MINUS_EXPR.
13909         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
13910         (vect_analyze_pointer_ref_access): Likewise.
13911         (vect_get_memtag_and_dr): Likewise.
13912
13913 2005-01-31  Richard Henderson  <rth@redhat.com>
13914
13915         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
13916         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
13917         absnegdf2_i387, absnegxf2_i387): Likewise.
13918
13919 2005-01-31  Richard Henderson  <rth@redhat.com>
13920
13921         PR 19696
13922         * optabs.c (expand_copysign_absneg): New.
13923         (expand_copysign_bit): Split out from ...
13924         (expand_copysign): ... here.  Use expand_copysign_absneg.
13925
13926 2005-01-30  Roger Sayle  <roger@eyesopen.com>
13927
13928         PR middle-end/19697
13929         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
13930         constant as the second operand and a register as the third.
13931
13932 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
13933
13934         PR target/19704
13935         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
13936         that dllimport'd functions do not use all call-clobbered registers
13937         to pass parameters.
13938
13939 2005-01-30  Richard Henderson  <rth@redhat.com>
13940
13941         PR 19696
13942         * optabs.c (expand_absneg_bit): Split out from expand_unop and
13943         expand_abs_nojump and generalize.  Use operand_subword and
13944         emit_no_conflict_block.  Support large modes.
13945         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
13946         back to maximum.
13947         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
13948         negation to subtraction.
13949         (expand_copysign): Check that the format has signed zeros.
13950         Use operand_subword and emit_no_conflict_block.  Support large modes.
13951
13952 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
13953
13954         Fix PR tree-optimization/19624
13955
13956         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
13957         * tree-ssa-pre.c: Add cfgloop.h.
13958         Update comment.
13959         (pre_stats): New member, constified.
13960         (inserted_exprs): New static variable.
13961         (NECESSARY): New macro.
13962         (create_expression_by_pieces): Fold the expression, and
13963         mark it as defaulting to not necessary. Also put in
13964         inserted_exprs.
13965         (fully_constant_expression): New function.
13966         (insert_into_preds_of_block): Modify to not insert phis when we
13967         are playing with induction variables.
13968         Push phis onto the inserted_exprs vector, and mark them as not
13969         necessary by default.
13970         (insert_aux): Call fully_constant_expression on eprime.
13971         If all edges produce the same value, mark it constant.
13972         (mark_operand_necessary): New function.
13973         (remove_dead_inserted_code): New function.
13974         (init_pre): Init loop optimizer to get loop info.
13975         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
13976         (execute_pre): Commit edge inserts, then remove dead code.
13977
13978 2005-01-30  Richard Henderson  <rth@redhat.com>
13979
13980         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
13981         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
13982
13983 2005-01-30  Richard Henderson  <rth@redhat.com>
13984
13985         PR target/19700
13986         * config/i386/i386.c (ix86_expand_copysign): New.
13987         (ix86_split_copysign_const): New.
13988         (ix86_split_copysign_var): Rename from ix86_split_copysign,
13989         rearrange op1/nmask operands.
13990         * config/i386/i386-protos.h: Update.
13991         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
13992         (copysigndf3): Likewise.
13993         (copysignsf3_const, copysigndf3_const): New.
13994         (copysignsf3_var): Rename from copysignsf3, split out splitter
13995         and fix split predicate for X constraint.
13996         (copysigndf3_var): Similarly.
13997
13998 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
13999
14000         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
14001         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
14002         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
14003
14004 2005-01-29  Richard Henderson  <rth@redhat.com>
14005
14006         PR target/19690
14007         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
14008         of # and * in constraints.
14009
14010 2005-01-29  Richard Henderson  <rth@redhat.com>
14011
14012         PR middle-end/19689
14013         * expr.c (store_field): Don't strip sub-mode cast when the input
14014         data is even smaller.
14015
14016 2005-01-29  Richard Henderson  <rth@redhat.com>
14017
14018         PR middle-end/19687
14019         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
14020         union being empty.
14021
14022 2005-01-29  Richard Henderson  <rth@redhat.com>
14023
14024         * combine.c (make_field_assignment): Fix argument order
14025         to gen_int_mode.
14026
14027 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
14028
14029         PR tree-optimization/15791
14030         * fold-const.c (extract_array_ref): New function.
14031         (fold): Fold comparisons between &a[i] and &a[j] or
14032         semantically equivalent trees.
14033
14034 2005-01-29  Jeff Law  <law@redhat.com>
14035
14036         * gcse.c (insert_expr_in_table): Revamp handling of available
14037         and anticipatable occurrence lists to avoid unnecessary list
14038         walking.
14039         (insert_set_in_table): Similarly.
14040
14041 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
14042
14043         * c-common.c (fix_string_type): Just use c_build_qualified_type to
14044         build string type.
14045         (c_build_qualified_type): Build qualified array types with
14046         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
14047         * c-decl.c (c_make_fname_decl): Build unqualified array type
14048         before qualified type.
14049         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
14050         type is qualified, not just if type itself is.  Don't apply
14051         qualifiers to array type when declarator is processed.  Apply
14052         qualifiers to field type whether or not it is an array type.
14053         Don't handle array types specially for applying qualifiers to
14054         variables.
14055         * c-typeck.c (composite_type): Build unqualified element type and
14056         array type when forming composite of array types.
14057         (common_pointer_type, comptypes, comp_target_types,
14058         type_lists_compatible_p, build_indirect_ref, build_array_ref,
14059         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
14060         types.
14061         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
14062         (args2) in variables a1 and a2.
14063
14064 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
14065
14066         * cse.c (n_elements_made, max_elements_made): Remove.
14067         (insert): Don't touch n_elements_made.
14068         (cse_main): Don't touch n_elements_made or max_elements_made.
14069
14070 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
14071
14072         PR target/15384
14073         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
14074         configuration part of dp-bit.c to be lost.
14075
14076 2005-01-28  Roger Sayle  <roger@eyesopen.com>
14077
14078         * expmed.c (expand_mult_highpart_optab): When attempting to use
14079         a non-widening multiplication in a wider mode, the operands need
14080         to be converted (zero or sign extended) to that mode.
14081
14082 2005-01-28  Ian Lance Taylor  <ian@airs.com>
14083
14084         PR middle-end/16558
14085         PR middle-end/19583
14086         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
14087         through if both operands fall through.
14088
14089 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
14090
14091         * cse.c (fold_rtx) <PC>: Don't optimize.
14092
14093 2005-01-28  Jeff Law  <law@redhat.com>
14094
14095         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
14096         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
14097
14098 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
14099
14100         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
14101         cse_reg_info_used_list_end): Remove.
14102         (cse_reg_info_list, cse_reg_info_list_free): New.
14103         (get_cse_reg_info): When allocating an instance of
14104         cse_reg_info, add it to the beginning of the cse_reg_info_list
14105         list.  Remove code to maintain cse_reg_info_used_list.
14106         (new_basic_block): Reset the free list to the beginning of
14107         cse_reg_info_list.
14108
14109 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
14110
14111         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
14112         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
14113         (frv_expand_mdpackh_builtin): New function.
14114         (frv_expand_builtin): Use it to expand __MDPACKH.
14115         * doc/extend.texi (__MDPACKH): Update documentation.
14116
14117 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
14118
14119         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
14120         SSE_FLOAT_MODE_P for use_sse computation.
14121
14122 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
14123
14124         PR target/19663
14125         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
14126
14127 2005-01-27  Richard Henderson  <rth@redhat.com>
14128
14129         * builtins.c (expand_builtin_copysign): New.
14130         (expand_builtin): Call it.
14131         * genopinit.c (optabs): Add copysign_optab.
14132         * optabs.c (init_optabs): Initialize it.
14133         (expand_copysign): New.
14134         * optabs.h (OTI_copysign, copysign_optab): New.
14135         (expand_copysign): Declare.
14136
14137         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
14138         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
14139
14140         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
14141         (ix86_expand_fp_absneg_operator): ... here.
14142         (ix86_split_copysign): New.
14143         * config/i386/i386-protos.h: Update.
14144         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
14145         (copysignsf3, copysigndf3): New.
14146
14147         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
14148         (copysignsf3, ncopysignsf3): New.
14149         (copysigndf3, ncopysigndf3): New.
14150         (copysignxf3, ncopysignxf3): New.
14151         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
14152
14153 2005-01-27  Arend Bayer  <arend.bayer@web.de>
14154             Kazu Hirata  <kazu@cs.umass.edu>
14155
14156         * cse.c: (find_best_addr): Don't call copy_rtx before calling
14157         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
14158         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
14159         NULL_RTX.
14160
14161 2005-01-27  Jeff Law  <law@redhat.com>
14162
14163         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
14164         definitions of SSA_NAMEs which are not being rewritten.
14165         (rewrite_ssa_into_ssa): Only initialize the current definition
14166         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
14167         If checking is enabled, assert that SSA_NAME_AUX is clear for all
14168         SSA_NAMEs before returning.
14169
14170 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
14171
14172         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
14173         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
14174         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
14175         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
14176         config/mips/iris6.h, config/sh/sh.c: Update copyright.
14177
14178 2005-01-27  Steven Bosscher  <stevenb@suse.de>
14179
14180         PR middle-end/17278
14181         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
14182         higher to -O2 and higher.  Likewise for tree PRE.
14183         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
14184         and better.
14185
14186 2005-01-27  Ian Lance Taylor  <ian@airs.com>
14187
14188         PR middle-end/19583
14189         * gimple-low.c (try_catch_may_fallthru): New static function.
14190         (block_may_fallthru): Handle TRY_CATCH_EXPR.
14191         * tree-inline.c (expand_call_inline): Don't warn about reaching
14192         the end of a non-void function being inlined if the function uses
14193         a return slot.
14194
14195 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
14196
14197         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
14198
14199         PR c/18946
14200         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
14201         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
14202         (implicitly_declare): Handle error_mark_node.
14203
14204 2005-01-27  Richard Henderson  <rth@redhat.com>
14205
14206         PR tree-opt/14329
14207         * tree.h (struct tree_decl): Add debug_expr_is_from.
14208         (DECL_DEBUG_EXPR_IS_FROM): New.
14209         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
14210         * dwarf2out.c (dwarf2out_var_location): Update to match.
14211         * tree-outof-ssa.c (create_temp): Likewise.
14212         * var-tracking.c (track_expr_p): Likewise.
14213         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
14214         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
14215         * toplev.c (default_tree_printer): Likewise.
14216
14217 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
14218
14219         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
14220         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
14221
14222 2005-01-27  Steven Bosscher  <stevenb@suse.de>
14223
14224         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
14225         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
14226         ASM_CLOBBERS): Add tree checks.
14227
14228         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
14229         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
14230         * c-common.def (SWITCH_STMT): Update to match.
14231         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
14232         macros instead of SWITCH_EXPR ones.
14233         * c-dump.c (c_dump_tree): Likewise.
14234         * c-gimplify.c (gimplify_switch_stmt): Likewise.
14235         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
14236
14237         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
14238
14239 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
14240
14241         * unwind-dw2.c (execute_stack_op): Add missing cases for
14242         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
14243
14244 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
14245
14246         * config.gcc (Obsolete configurations): Remove 'dummy', add
14247         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
14248         sparc-*-openbsd*.
14249
14250 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
14251
14252         PR tree-optimization/19633
14253         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
14254         CALL_EXPRs.
14255         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
14256         are no call-clobbered variables.
14257         * tree-outof-ssa.c (check_replaceable): Return false for calls
14258         with side-effects.
14259
14260 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
14261
14262         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
14263         even for variables with NULL DECL_INITIAL.
14264
14265 2005-01-26  Stuart Hastings  <stuart@apple.com>
14266
14267         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
14268
14269 2005-01-26  Richard Henderson  <rth@redhat.com>
14270
14271         PR middle-end/18008
14272         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
14273         field's type.
14274         * expr.c (store_field): Strip conversions to odd-bit-sized types
14275         if the destination field width matches.
14276
14277 2005-01-26  Richard Henderson  <rth@redhat.com>
14278
14279         * c-decl.c, expmed.c, expr.c: Revert last change.
14280
14281 2005-01-26  Richard Henderson  <rth@redhat.com>
14282
14283         PR middle-end/18008
14284         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
14285         field's type.
14286         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
14287         if we don't need the bits above those present in the current mode.
14288         * expr.c (store_field): Strip conversions to odd-bit-sized types
14289         if the destination field width matches.
14290
14291 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
14292
14293         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
14294         either -ffast-math or -funsafe-math-optimizations is in use.
14295
14296 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
14297
14298         PR target/19293
14299         PR target/19329
14300         * config/avr/avr.c (notice_update_cc): Only set condition code for
14301         ashrqi3 if shift count > 0.
14302         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
14303         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
14304         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
14305         count <= 0 as a no-op, and shift count >= width by copying zero
14306         or sign bit to all bits of the result.
14307         * config/avr/avr.md (all shifts): Add alternatives for zero shift
14308         count, with attribute "length" set to 0 and "cc" set to "none".
14309
14310 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
14311
14312         * doc/invoke.texi: Document -mTLS.
14313
14314         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
14315         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
14316         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
14317         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
14318         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
14319         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
14320         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
14321         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
14322
14323         * configure.ac: Check for a TLS capable gas.
14324
14325         * configure: Regenerate.
14326
14327 2005-01-26  Richard Henderson  <rth@redhat.com>
14328
14329         PR middle-end/18008
14330         * combine.c (make_field_assignment): Simplify store to zero_extract
14331         from a source with an overlapping mask.
14332
14333 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
14334
14335         2004-11-11  Eric Christopher  <echristo@redhat.com>
14336
14337         * config/frv/frv.md: Add fr400_integer automaton. Don't
14338         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
14339         to TYPE_MACC.
14340
14341 2005-01-26  Steven Bosscher  <stevenb@suse.de>
14342
14343         PR middle-end/16585
14344         * cfgbuild.c (make_edges): Do not clear or set
14345         current_function_has_computed_jump.
14346         * function.h (struct function): Remove the has_computed_jump field.
14347         (current_function_has_computed_jump): Do not define.
14348         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
14349         in a computed jump.  Ignore current_function_has_computed_jump.
14350
14351 2005-01-26  Richard Henderson  <rth@redhat.com>
14352
14353         PR middle-end/19515
14354         * expr.c (categorize_ctor_elements): New argument p_must_clear.
14355         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
14356         fully initialized.
14357         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
14358         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
14359         objects into static storage if they have more than one non-zero value.
14360         * tree.h (categorize_ctor_elements): Update decl.
14361
14362 2005-01-26  Steven Bosscher  <stevenb@suse.de>
14363
14364         PR middle-end/19616
14365         * tree.h (CALL_EXPR_TAILCALL): Add comment.
14366         * calls.c (check_sibcall_argument_overlap_1): Revert the change
14367         to this function from 2004-07-10.
14368         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
14369         the current function for tail call optimizations if the address
14370         of one of it its arguments is taken.
14371
14372 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
14373
14374         * cse.c (fold_rtx): Call equiv_constant only when necessary.
14375
14376 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
14377
14378         * function.c (expand_function_end): If current_function_calls_alloca,
14379         emit stack restore in a place that is reached when the function falls
14380         through at the end.
14381
14382 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
14383
14384         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
14385         rule to avoid matching inappropriate suffix rule.
14386
14387 2005-01-26  Jan Hubicka  <jh@suse.cz>
14388
14389         PR tree-optimization/19241
14390         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
14391
14392 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
14393
14394         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
14395         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
14396         of doubling.
14397         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
14398         <sim*>: Always use crt1.o, regardless of N in simN.
14399         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
14400         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
14401         (CRT_CALL_STATIC_FUNCTION): Remove.
14402         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
14403         use crt1.o, regardless of N in simN.
14404         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
14405         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
14406         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
14407         case isystem setting.
14408         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
14409
14410 2005-01-25  Ian Lance Taylor  <ian@airs.com>
14411
14412         * gimple-low.c (block_may_fallthru): Correct handling of
14413         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
14414
14415 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
14416
14417         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
14418         handlers to match indentation; nested under the mtune=* handler.
14419         Similar for mcpu= and march=.
14420
14421 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
14422
14423         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
14424         * config/mips/linux64.h (LIB_SPEC): Likewise.
14425         * config/mn10300/linux.h (LIB_SPEC): Likewise.
14426         * config/sh/linux.h (LIB_SPEC): Likewise.
14427
14428 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
14429
14430         * config/frv/frv.c (frv_legitimize_tls_address): New.
14431         (TARGET_HAVE_TLS): Define.
14432         (FRV_SYMBOL_REF_TLS_P): Define.
14433         (frv_override_options): Handle new register classes.
14434         (frv_legitimate_address_p): Reject tls addresses.
14435         (frv_legitimize_address): Handle TLS addresses.
14436         (gen_inlined_tls_plt): New.
14437         (gen_tlsmoff): New.
14438         (frv_legitimize_tls_address): New.
14439         (unspec_got_name): Add TLS entries.
14440         (got12_operand): Add R_FRV_TLSMOFF12 case.
14441         (frv_emit_move): Fixup TLS addresses.
14442         (frv_emit_movsi): Legitimize TLS addresses.
14443
14444         * config/frv/frv.h (MASK_BIG_TLS): New.
14445         (TARGET_BIG_TLS): New.
14446         (HAVE_AS_TLS): Define.
14447         (TARGET_SWITCHES): Add -mTLS and -mtls options.
14448         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
14449         (REG_CLASS_NAMES): Same.
14450         (REG_CLASS_CONTENTS): Same.
14451         (CONSTRAINT_LEN): New.
14452         (REG_CLASS_FROM_CONSTRAINT): New.
14453         (PREDICATE_CODES): Add symbolic_operand.
14454
14455         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
14456         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
14457         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
14458         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
14459         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
14460         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
14461         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
14462         GR9_REG, GR14_REG, LRREG.
14463         (type): Add load_or_call attribute.
14464         ("load_or_call"): New reservation.
14465         ("call_gettlsoff"): New.
14466         ("tls_indirect_call"): New.
14467         ("tls_load_gottlsoff12"): New.
14468         ("tlsoff_hilo"): New.
14469         ("tls_tlsdesc_ldd"): New.
14470         ("tls_tlsoff_ld"): New.
14471         ("tls_lddi"): New.
14472
14473         * config/frv/frv-protos.h (symbolic_operand): Protoize.
14474
14475         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
14476
14477         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
14478         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
14479         * config/frv/frv.c (TLS_BIAS): Define.
14480         (frv_output_dwarf_dtprel): New.
14481
14482 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
14483
14484         PR rtl-optimization/19579
14485         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
14486         both A and B, see if they don't clobber registers the other expr uses.
14487
14488 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
14489
14490         * real.c (do_add): Initialize signalling and canonical members.
14491
14492         * real.c (real_from_integer): Zero out destination.
14493
14494 2005-01-18  Jan Hubicka  <jh@suse.cz>
14495
14496         PR tree-optimize/19337
14497         * tree-inline.c (initialize_inlined_parameters): Copy
14498         saved_static_chain_decl only.
14499
14500 2005-01-25  Richard Henderson  <rth@redhat.com>
14501
14502         PR target/19556
14503         PR target/19584
14504         * config/i386/i386.c (x86_inter_unit_moves): Zero.
14505         (ix86_preferred_reload_class): Rewrite fp-constant section, with
14506         80387 enabled, to return a proper subclass.  Return the subset that
14507         overlaps with GENERAL_REGS for PLUS.
14508         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
14509
14510 2005-01-25  Richard Henderson  <rth@redhat.com>
14511
14512         PR middle-end/19609
14513         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
14514
14515 2005-01-25  Roger Sayle  <roger@eyesopen.com>
14516
14517         * expmed.c (choose_multiplier): Change interface to return the
14518         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
14519         (expand_divmod): Update calls to choose_multiplier.
14520
14521 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14522
14523         PR middle-end/19330
14524         * expmed.c (extract_bit_field): Use adjust_address instead of
14525         gen_lowpart when op0 is a MEM.
14526
14527 2005-01-24  Steven Bosscher  <stevenb@suse.de>
14528
14529         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
14530
14531 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
14532
14533         * config/mips/irix-csr.c: New file.
14534         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
14535         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
14536         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
14537         executables.
14538
14539 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
14540
14541         PR bootstrap/19364
14542         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
14543         sparc/elf.h, add sparc/sp-elf.h.
14544         (sparc-*-rtems*): Likewise.
14545         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
14546         tm-dwarf2.h, add sparc/sp-elf.h.
14547         (sparc86x-*-elf): Likewise.
14548         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
14549         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
14550         TARGET_OS_CPP_BUILTINS.
14551         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
14552         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
14553         Undefine it.
14554         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
14555         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
14556         (SWITCH_TAKES_ARG): Likewise.
14557         (LOCAL_LABEL_PREFIX): Likewise.
14558         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
14559         (TARGET_N_FORMAT_TYPES): Delete.
14560         (TARGET_FORMAT_TYPES): Likewise.
14561         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14562         * config/sparc/elf.h: Delete.
14563         * config/sparc/sp-elf.h: New file.
14564
14565 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
14566
14567         * tree-flow-inline.h (phi_arg_from_edge): Remove.
14568         * tree-flow.h: Remove the corresponding prototype.
14569         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
14570         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
14571
14572 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
14573
14574         PR target/17751
14575         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
14576         for AIX ABI or ELF -fPIC.
14577         (rs6000_emit_load_toc_table): Don't create toc_section here.
14578         (rs6000_xcoff_file_start): Nor here.
14579
14580 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
14581
14582         * sh.c (ra.h): Don't #include.
14583         (hard_regs_intersect_p): New function, resurrected from ra.c.
14584
14585         * sh.c: Fix 1996 Copyright.
14586
14587 2005-01-24  Richard Henderson  <rth@redhat.com>
14588             Aldy Hernandez  <aldyh@redhat.com>
14589
14590         * regrename.c (note_sets): Handle subregs.
14591
14592 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
14593
14594         PR bootstrap/18058
14595         * genconditions.c (write_header, write_conditions): Elide file if
14596         not GCC >= 3.0.1.
14597
14598 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
14599
14600         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
14601         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
14602         Update copyright.
14603
14604 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
14605
14606         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
14607         expand_builtin_printf, expand_builtin_fprintf,
14608         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
14609         checking against POINTER_TYPE.
14610         (validate_arglist): Handle POINTER_TYPE code by checking
14611         POINTER_TYPE_P.
14612
14613 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
14614
14615         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
14616         init_rtlanal): New.
14617         (for_each_rtx): Call for_each_rtx_1.
14618         * rtl.h (init_rtlanal): Declare.
14619         * toplev.c (backend_init): Call init_rtlanal.
14620
14621 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
14622
14623         * flow.c (propagate_one_insn): Formatting.
14624
14625         PR middle-end/19551
14626         * flow.c (libcall_dead_p): Be more conservative if unsure.
14627         If there are any instructions between insn and call, see if they are
14628         all dead before saying the libcall is dead.
14629
14630 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
14631
14632         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
14633         operand constraint for operand 0.
14634
14635 2005-01-23  Richard Henderson  <rth@redhat.com>
14636
14637         PR 19486
14638         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
14639         edges leading to join block.
14640
14641 2005-01-23  Roger Sayle  <roger@eyesopen.com>
14642
14643         * expmed.c (expand_mult_highpart): Make static.  Change type of
14644         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
14645         (expand_divmod): Updates calls to expand_mult_highpart by using
14646         gen_int_mode to pass a CONST_INT rtx.
14647         * rtl.h (expand_mult_highpart): Remove prototype.
14648
14649 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
14650
14651         * flow.c (regset_bytes, regset_size): Remove.
14652
14653         * cfganal.c: Fix a reference to Harvey's paper.
14654
14655 2005-01-23  Steven Bosscher  <stevenb@suse.de>
14656
14657         PR rtl-optimization/19464
14658         * tree-optimize.c (init_tree_optimization_passes): Add one more
14659         copyrename pass just before out-of-ssa.
14660
14661 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
14662
14663         PR bootstrap/18058
14664         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
14665         * ggc-none.c (ggc_free): Define.
14666
14667 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
14668
14669         * cse.c (max_reg, max_insn_uid): Remove.
14670         (cse_main): Don't access max_reg or max_insn_uid.
14671
14672         * c-common.c (explicit_flag_signed_bitfields,
14673         lang_statement_code_p, lang_expand_function_end): Remove.
14674         * c-common.h: Remove the corresponding declarations.
14675         * c-opts.c (c_common_handle_option): Remove all write access
14676         to explicit_flag_signed_bitfields.
14677
14678         * cgraph.c (cgraph_varpool_n_nodes): Remove.
14679         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
14680         * cgraph.h: Remove the corresponding declaration.
14681
14682         * gcse.c (null_pointer_info): Remove.
14683
14684 2005-01-23  Roger Sayle  <roger@eyesopen.com>
14685             Eric Botcazou  <ebotcazou@libertysurf.fr>
14686
14687         * combine.c (simplify_logical): Only simplify logical expressions
14688         of the form ior(and(x,y),z) by the inverse distributive law if the
14689         result is cheaper than the original.
14690
14691 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
14692
14693         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
14694         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
14695         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
14696         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
14697         config/freebsd-spec.h, config/arm/arm.h,
14698         config/h8300/h8300.md, config/i386/i386.md,
14699         config/i386/predicates.md, config/i386/sse.md,
14700         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
14701         config/vax/vax.md: Fix comment typos.  Follow spelling
14702         conventions.
14703
14704 2005-01-23  Steven Bosscher  <stevenb@suse.de>
14705
14706         * gengtype.c (walk_type): Produce `not equal to' compares for loop
14707         tests, instead of `less than'.
14708
14709 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
14710
14711         * function.c (assign_parm_setup_block): When creating a new stack slot
14712         for a parameter, get its alignment from the parameter's DECL_ALIGN
14713         rather than the type's TYPE_ALIGN.  Make sure that the parameter
14714         is at least word aligned.
14715
14716 2005-01-22  Roger Sayle  <roger@eyesopen.com>
14717
14718         PR middle-end/19378
14719         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
14720
14721 2005-01-22  Richard Henderson  <rth@redhat.com>
14722
14723         PR target/19506
14724         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
14725         in both compare operands.
14726         (movdfcc_1_sse_max): Likewise.
14727         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
14728         (movdfcc_1_sse): Likewise.
14729         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
14730         scratch register as needed.
14731
14732 2005-01-22  Richard Henderson  <rth@redhat.com>
14733
14734         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
14735
14736         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
14737
14738 2005-01-22  Richard Henderson  <rth@redhat.com>
14739
14740         * genopinit.c (optabs): Use smin/smax for floating point too.
14741         * doc/md.texi: Update to match.  Clarify that floating point
14742         results are undefined for +0/-0 and NaN.
14743         * doc/rtl.texi: Likewise.
14744         * rtl.def (SMIN, SMAX): Likewise
14745         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
14746
14747         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
14748         leading 's' to the name.
14749         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
14750         smaxxf3, sminxf3): Likewise.
14751         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
14752         Likewise.
14753
14754 2005-01-22  Paul Brook  <paul@codesourcery.com>
14755
14756         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
14757
14758 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
14759
14760         * config/s390/s390.c (struct processor_costs): New fields
14761         dlgr, dlr, dr, dsgfr, dsgr.
14762         (z900_cost, z990_cost): Values for new fields.
14763         (s390_rtx_costs): New cases MEM und COMPARE in switch
14764         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
14765         DIV, MOD, UDIV, UMOD.
14766
14767 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
14768
14769         * config/s390/s390.md ("doloop_si64"): Reload input value directly
14770         into the register being decremented.
14771         ("doloop_si31", "doloop_di"): Likewise.
14772         ("*doloop_si_long"): Adapt pattern.
14773
14774 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
14775
14776         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
14777         access registers.
14778         (CLASS_MAX_NREGS): Likewise.
14779
14780 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
14781
14782         * doc/tree-ssa.texi (Statement Operands): Add example for new
14783         must-def macro. Note deprecation of old operands interface.
14784
14785 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
14786
14787         PR tree-optimization/19484
14788         * tree-cfg.c (remove_fallthru_edge): New function.
14789         (cleanup_control_flow): Remove fallthru edges from calls that are
14790         now known not to return.
14791
14792 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
14793
14794         Fix PR tree-optimization/19038
14795         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
14796         copies with loop variant ones.
14797
14798 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
14799
14800         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
14801         config/alpha/alpha-protos.h, config/alpha/alpha.h,
14802         config/alpha/alpha.md, config/alpha/predicates.md,
14803         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
14804         config/sparc/sol2.h: Update copyright.
14805
14806         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
14807         first label to see if it is a nonlocal label.
14808
14809 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
14810             Andrew Pinski  <pinskia@physics.uc.edu>
14811
14812         PR target/19491
14813         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
14814         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
14815
14816 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
14817
14818         * config/rs6000/rtems.h: Update copyright.
14819
14820 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
14821
14822         PR target/19548
14823         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
14824         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
14825         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
14826
14827 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
14828
14829         PR c/18809
14830         * c-typeck.c (convert_arguments): Check for error_mark_node.
14831
14832 2005-01-21  Ian Lance Taylor  <ian@airs.com>
14833
14834         PR tree-optimization/13000
14835         * tree-inline.c: Include "tree-flow.h".
14836         (expand_call_inline): If warn_return_type, warn if non-void inline
14837         function falls through.
14838         * tree-cfg.c (execute_warn_function_return): Don't warn about
14839         control reaching end if TREE_NO_WARNING is set.  Set
14840         TREE_NO_WARNING.
14841         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
14842         has been lowered.
14843         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
14844         branch if we don't need one.
14845         * c-typeck.c: Include "tree-flow.h"
14846         (c_finish_bc_stmt): Don't add a goto if the current statement
14847         list doesn't fall through to the current point.
14848
14849 2005-01-21  Roger Sayle  <roger@eyesopen.com>
14850
14851         PR rtl-optimization/576
14852         * real.c (real_arithmetic): Change return type from void to bool
14853         to return an indication that the result may be inexact.
14854         * real.h (real_arithmeric): Update prototype.
14855         * fold-const.c (const_binop):  Don't constant fold floating
14856         point expressions when the user specifies -frounding-math and
14857         the result may depend upon the run-time rounding mode.
14858         (fold_convert_const_real_from_real): Clean-up.
14859         (fold_initializer): Ignore flag_rounding_math for initializers.
14860         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
14861         constant fold FP operations with flag_rounding_math if the
14862         result may depend upon the run-time rounding mode.
14863
14864 2005-01-21  Tom Tromey  <tromey@redhat.com>
14865
14866         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
14867
14868 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
14869
14870         * tree-cfg.c: Fix comment typos.
14871
14872 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
14873
14874         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
14875         around the call to rest_of_handle_branch_target_load_optimize.
14876
14877 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
14878
14879         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
14880         (sparc64-*-openbsd*): Likewise.
14881         (sparclite-*-elf*): Include tm-dwarf2.h.
14882         (sparc86x-*-elf*): Likewise.
14883         (sparc64-*-elf*): Likewise.
14884         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
14885         (DBX_DEBUGGING_INFO): Likewise.
14886         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
14887         (PREFERRED_DEBUGGING_TYPE): Likewise.
14888         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
14889         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
14890         (PREFERRED_DEBUGGING_TYPE): Likewise.
14891         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
14892         (PREFERRED_DEBUGGING_TYPE): Likewise.
14893         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
14894
14895 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
14896
14897         PR target/18701
14898         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
14899
14900 2005-01-20  Paul Brook  <paul@codesourcery.com>
14901
14902         * doc/rtl.texi: Document value extension requirements for CONST_INT.
14903
14904 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
14905
14906         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
14907         label is first in a sequence of labels.
14908
14909         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
14910
14911 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
14912             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
14913
14914         * doc/sourcebuild.texi (Test Directives): New.
14915
14916 2005-01-20  Roger Sayle  <roger@eyesopen.com>
14917
14918         * real.c (real_floor): Don't leave the result uninitialized when
14919         mode is VOIDMode, but return the unrounded intermediate value.
14920         (real_ceil): Likewise.
14921
14922 2005-01-20  Paul Brook  <paul@codesourcery.com>
14923
14924         * config/arm/arm.md (insv): Use gen_int_mode.
14925
14926 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
14927
14928         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
14929         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14930         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14931         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14932         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14933
14934 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
14935
14936         Fix PR debug/19124
14937         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
14938         fbreg, so we have to assume we can't.
14939         (loc_descriptor_from_tree_1): Ditto.
14940         (containing_function_has_frame_base): New function.
14941         (add_location_or_const_value_attribute): Use it.
14942         Also try to generate a frame_base from a single element location
14943         list.
14944
14945 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
14946
14947         PR tree-optimization/15349
14948         * timevar.def (TV_TREE_MERGE_PHI): New.
14949         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
14950         PHI_WANTED.
14951         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
14952         calls to tree_forwarder_block_p.
14953         (remove_forwarder_block_with_phi, merge_phi_nodes,
14954         gate_merge_phi, pass_merge_phi): New.
14955         * tree-optimize.c (init_tree_optimization_passes): Add
14956         pass_merge_phi.
14957         * tree-pass.h: Add an extern for pass_merge_phi;
14958
14959 2005-01-20  Richard Henderson  <rth@redhat.com>
14960
14961         PR target/19418
14962         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
14963         (_mm_castps_pd, _mm_castps_si128): New.
14964         (_mm_castsi128_ps, _mm_castsi128_pd): New.
14965
14966 2005-01-20  Richard Henderson  <rth@redhat.com>
14967
14968         PR target/19530
14969         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
14970         __builtin_ia32_vec_init_v2si.
14971         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
14972         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
14973         (ix86_init_mmx_sse_builtins): Create it.
14974         (ix86_expand_builtin): Expand it.
14975         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
14976         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
14977         (vec_extractv2si_0, vec_extractv2si_1): New.
14978
14979 2005-01-20  Richard Henderson  <rth@redhat.com>
14980
14981         PR target/16533
14982         * config/i386/i386.c (ix86_expand_push): New.
14983         * config/i386/mmx.md (push<MMXMODE>1): New.
14984         * config/i386/sse.md (push<SSEMODE>1): New.
14985         * config/i386/i386-protos.h: Update.
14986
14987 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
14988
14989         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
14990         copyright.
14991
14992 2005-01-20  Richard Henderson  <rth@redhat.com>
14993
14994         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
14995         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
14996
14997 2005-01-19  Richard Henderson  <rth@redhat.com>
14998
14999         PR target/19350
15000         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
15001         to V4SFmode in SSE1 fallback load path.
15002
15003 2005-01-19  Richard Henderson  <rth@redhat.com>
15004
15005         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
15006         in QImode expansion to ix86_expand_vector_set.
15007         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
15008
15009 2005-01-19  Richard Henderson  <rth@redhat.com>
15010
15011         PR target/19511
15012         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
15013         subclass of the input class.
15014         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
15015         Always true for cross-SSE1 classes.  Rationalize conditionals.
15016         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
15017         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
15018         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
15019         (movdi_2): Add MMX/SSE zeros.
15020         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
15021         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
15022         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
15023         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
15024         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
15025         (zero_extendsidi2_rex64_1): Remove.
15026         (MOV0 peephole): Check GENERAL_REG_P.
15027
15028 2005-01-19  Richard Henderson  <rth@redhat.com>
15029
15030         PR target/19427
15031         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
15032         shufps elements.
15033         (ix86_expand_vector_extract): Likewise.
15034
15035 2005-01-19  Richard Henderson  <rth@redhat.com>
15036
15037         PR middle-end/19304
15038         * expr.c (emit_move_change_mode): New argument force; use
15039         simplify_gen_subreg if true.
15040         (emit_move_via_alt_mode): Merge into ...
15041         (emit_move_via_integer): ... here.
15042         (emit_move_ccmode): Use emit_move_change_mode directly.
15043
15044 2005-01-19  Richard Henderson  <rth@redhat.com>
15045
15046         PR target/19518
15047         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
15048         (alpha_preferred_reload_class): Handle CONST_VECTOR.
15049         (alpha_emit_set_const_1): Add no_output parameter; don't emit
15050         rtl if true.
15051         (alpha_emit_set_const): Likewise.  Make static.
15052         (alpha_emit_set_long_const): Make static.
15053         (alpha_extract_integer): Split out from alpha_expand_mov.
15054         (alpha_split_const_mov): Likewise.
15055         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
15056         (alpha_legitimate_constant_p): New.
15057         * config/alpha/alpha-protos.h: Update.
15058         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
15059         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
15060         * config/alpha/alpha.md (movsi): Add n alternative.
15061         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
15062         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
15063         (splitters for all of the above): Use alpha_split_const_mov.
15064         * config/alpha/predicates.md (non_add_const_operand): New.
15065         (non_zero_const_operand): New.
15066         (input_operand): Use alpha_legitimate_constant_p after reload.
15067
15068 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
15069
15070         PR tree-optimization/19038
15071         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
15072         (add_candidate): Add ivs with increment in latch only if
15073         allow_ip_end_pos_p is true.
15074         (determine_iv_cost): Use empty_block_p.
15075
15076 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
15077
15078         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
15079         (compute_dominance_frontiers): Ditto.
15080
15081 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
15082
15083         PR target/19529
15084         * config/sh/t-rtems: New.
15085         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
15086
15087 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
15088
15089         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
15090         the offset of the selected field.
15091
15092 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
15093
15094         * tree-cfg.c (remove_forwarder_block): Fix the check to
15095         prevent a nonlocal label from appearing in the middle of a
15096         basic block.
15097
15098 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
15099
15100         PR rtl-optimization/19462
15101         * reorg.c (find_end_label): Create return insn only if
15102         current_function_epilogue_delay_list is empty.
15103
15104 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
15105
15106         * doc/passes.texi: Remove paragraph mentioning new-ra.
15107
15108 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
15109
15110         PR rtl-optimization/15139
15111         * combine.c: Include params.h.
15112         (count_rtxs): New function.
15113         (record_value_for_reg): If replace_rtx would replace at least
15114         2 occurrences of REG in VALUE and TEM is really large, replace REG with
15115         (clobber (const_int 0)) instead of TEM.
15116         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
15117         * params.h (MAX_LAST_VALUE_RTL): New.
15118         * Makefile.in (combine.o): Depend on $(PARAMS_H).
15119         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
15120
15121         PR c/17297
15122         * c-typeck.c (digest_init): Only call build_vector if all constructor
15123         elements are *_CST nodes.
15124         * gimplify.c (gimplify_init_constructor): Likewise.
15125
15126         PR middle-end/19164
15127         * c-typeck.c (digest_init): Only call build_vector if inside_init
15128         is a CONSTRUCTOR.
15129
15130 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
15131
15132         * toplev.c (init_asm_output): Remove dead #ifdef.
15133
15134 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
15135
15136         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
15137
15138 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
15139
15140         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
15141         accessing DECL_FUNCTION_CODE.
15142         * dojump.c (do_jump): Likewise.
15143         * gimplify.c (gimplify_call_expr): Likewise.
15144         * predict.c (expr_expected_value): Likewise.
15145         (strip_builtin_expect): Likewise.
15146         * tree-inline.c (estimate_num_insns_1): Likewise.
15147         * tree-ssa-loop-im.c (stmt_cost): Likewise
15148         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
15149         (tree_expr_nonnegative_p): Likewise.
15150
15151 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
15152
15153         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
15154         variant of the load_pcrel_sym pattern.
15155         * config/sparc/sparc.md (P macro): Move to the top.
15156         (load_pcrel_sym): Macroize using P.
15157         (save_register_window): Likewise.
15158
15159 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
15160
15161         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
15162         ("sordered"): Same.
15163
15164 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
15165
15166         PR C/19472
15167         * c-typeck.c (build_asm_expr): Strip nops off
15168         input memory operands.
15169
15170 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
15171
15172         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
15173         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
15174         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
15175         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
15176
15177 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
15178
15179         PR target/19379
15180         * config/i386/i386.c (override_options): If the 80387 is disabled,
15181         then do not return FP values using FP registers.
15182
15183 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
15184
15185         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
15186         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
15187         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
15188         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
15189         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
15190         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
15191         output.h, postreload-gcse.c, postreload.c, recog.c,
15192         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
15193         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
15194         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
15195         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
15196         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
15197         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
15198         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
15199         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
15200
15201         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
15202         config/alpha/alpha.c, config/arm/vfp.md,
15203         config/i386/emmintrin.h, config/i386/i386-modes.def,
15204         config/i386/i386-protos.h, config/i386/i386.h,
15205         config/i386/pmmintrin.h, config/i386/ppro.md,
15206         config/i386/predicates.md, config/i386/xmmintrin.h,
15207         config/i860/i860.c, config/ia64/ia64-modes.def,
15208         config/ia64/ia64-protos.h, config/ia64/ia64.h,
15209         config/ia64/ia64.md, config/ia64/itanium1.md,
15210         config/ia64/itanium2.md, config/ia64/predicates.md,
15211         config/iq2000/iq2000.h, config/mips/linux64.h,
15212         config/rs6000/aix41.h, config/rs6000/aix43.h,
15213         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
15214         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
15215         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
15216         config/sparc/linux64.h, config/sparc/litecoff.h,
15217         config/sparc/sp64-elf.h, config/sparc/sparc.c,
15218         config/sparc/sparc.h, config/sparc/sparc.md,
15219         config/sparc/sysv4-only.h: Update copyright.
15220
15221 2005-01-18  Richard Henderson  <rth@redhat.com>
15222
15223         PR target/19496
15224         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
15225
15226 2005-01-18  Marc Espie  <espie@openbsd.org>
15227         * config/i386/openbsdelf.h: Typo.
15228
15229 2005-01-18  Richard Henderson  <rth@redhat.com>
15230
15231         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
15232         special case for sse.
15233         * config/i386/predicates.md (sse_comparison_operator): Likewise.
15234
15235 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
15236
15237         * tree-inline.c (estimate_num_insns_1): Added cases for
15238         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
15239
15240 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
15241
15242         PR rtl-optimization/19296
15243         * combine.c (simplify_comparison): Rewrite the condition under
15244         which a non-paradoxical SUBREG of a PLUS can be lifted when
15245         compared against a constant.
15246
15247 2005-01-18  Andi Kleen <ak@muc.de>
15248
15249         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
15250         * c.opt (-Wpointer-sign): Add.
15251         * doc/invoke.texi: (-Wpointer-sign): Add.
15252
15253 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
15254
15255         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
15256         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
15257         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
15258         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
15259         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
15260         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
15261         for TARGET_MIX_SSE_I387.
15262         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
15263         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
15264         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
15265         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
15266         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
15267         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
15268         TARGET_MIX_SSE_I387.
15269         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
15270         from expander.
15271
15272 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
15273
15274         PR target/19424
15275         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
15276         Add movaps alternative for xmm reg->reg move.
15277
15278 2005-01-17  Jeff Law  <law@redhat.com>
15279
15280         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
15281         at the end of the main DOM loop rather than just before DOM exits.
15282
15283 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
15284
15285         PR tree-optimization/19121
15286         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
15287         adding aliases to a name tag, also add them to the pointer's
15288         type tag.
15289         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
15290         sensitive alias info at all.  Only check that the two pointers
15291         have compatible pointed-to sets.
15292         * tree-ssa.c (verify_name_tags): Verify that the alias set of
15293         a pointer's type tag is a superset of the alias set of the
15294         pointer's name tag.
15295
15296 2005-01-17  James E Wilson  <wilson@specifixinc.com>
15297
15298         PR target/19357
15299         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
15300         comment to document why.
15301
15302 2005-01-17  Richard Henderson  <rth@redhat.com>
15303
15304         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
15305         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
15306         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
15307         sse2_vmsminv2df3_finite): New.
15308         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
15309         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
15310         Force op1 into register.
15311
15312 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
15313
15314         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
15315         bubblestrap from always rebuilding build directory.
15316
15317 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
15318
15319         * config/s390/s390.md ("*clc"): Remove incorrect '='.
15320         ("*cmpmem_short"): Likewise.
15321
15322 2005-01-17  Steven Bosscher  <stevenb@suse.de>
15323
15324         * basic-block.h: Document BB_* flags.
15325         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
15326         use an sbitmap instead.
15327         * sched-rgn.c (compute_trg_info): Likewise.
15328
15329 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
15330
15331         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
15332         redundant target_cpu_default and extra_parts lines.  Use the default
15333         "from-abi" ISA.
15334         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
15335         (SUBTARGET_EXTRA_SPECS): Delete.
15336         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
15337         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
15338         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
15339         and "n32" for -mabi=n32.
15340
15341 2005-01-17  Ian Lance Taylor  <ian@airs.com>
15342
15343         PR c/5675
15344         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
15345         fold constant variables into initial values.
15346
15347 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
15348
15349         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
15350
15351         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
15352         through the statements backward.
15353
15354 2005-01-17  Ian Lance Taylor  <ian@airs.com>
15355
15356         PR middle-end/13127:
15357         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
15358         a variable set to the return value of the inlined function.
15359
15360 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
15361
15362         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
15363         when modes are tieable.
15364
15365 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
15366
15367         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
15368         of pthread_create to find out if threads are enabled.
15369         * gthr-posix95.h (__gthread_active_p): Likewise.
15370
15371 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
15372
15373         * common.opt (-fnew-ra): Remove.
15374         * ra*.*: Remove.
15375         * toplev.h (flag_new_regalloc): Remove.
15376         * Makefile.in (ra*.*): Don't mention.
15377         * passes.c (rest_of_handle_new_regalloc): Remove.
15378         (rest_of_handle_combine, rest_of_compilation): Always consider
15379         flag_new_regalloc as false.
15380         * doc/invoke.texi: Don't document -fnew-ra.
15381
15382 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
15383
15384         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
15385         last parameter to reg_scan.
15386         * loop.c (loop_optimize): Likewise.
15387         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
15388         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
15389         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
15390         rest_of_handle_gcse, rest_of_handle_loop_optimize,
15391         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
15392         * regclass.c (reg_scan): Likewise, for the declaration.
15393         * rtl.h (reg_scan): Likewise, for the prototype.
15394
15395 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
15396
15397         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
15398         mark_dfs_back_edges.
15399
15400 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
15401
15402         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
15403         (compute_avail): Uses don't go in tmp_gen.
15404
15405 2005-01-16  Steven Bosscher  <stevenb@suse.de>
15406
15407         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
15408         loop to look for a free slot in a page entry.
15409
15410 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15411
15412         PR target/16304
15413         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
15414         * toplev.c (compile_file): Call process_pending_assemble_output_defs
15415         just before targetm.asm_out.file_end.
15416         * tree.h (process_pending_assemble_output_defs): Declare.
15417         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
15418         New functions.
15419         (assemble_alias): Defer generation of assembly code for defines when
15420         TARGET_DEFERRED_OUTPUT_DEFS is true.
15421         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
15422         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
15423         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
15424
15425 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15426
15427         PR target/19336
15428         * pa.c (pa_scalar_mode_supported_p): New function.
15429         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15430         * pa.h (MIN_UNITS_PER_WORD): Add comment.
15431
15432         * pa-protos.h (prefetch_operand): Delete.
15433         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
15434         * pa.c (prefetch_operand): Delete.
15435         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
15436         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
15437         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
15438         and prefetch_nocc_operand.
15439         * pa.md (prefetch): Rework to avoid reload problems handling short
15440         displacements when a cache control completer needs to be provided.
15441         (prefetch_32, prefetch_64): Delete.
15442         (prefetch_cc, prefetch_nocc): New patterns.
15443
15444 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
15445
15446         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
15447
15448 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15449
15450         PR ada/19388
15451         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
15452         exceeds maximum alignment for global common data.
15453         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
15454         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
15455
15456 2004-01-15  Roger Sayle  <roger@eyesopen.com>
15457
15458         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
15459
15460 2004-01-15  Roger Sayle  <roger@eyesopen.com>
15461
15462         * harg-reg-set.h (reg_class_names): Prototype global array.
15463         * regclass.c (reg_class_names): Declare here and initialize to
15464         REG_CLASS_NAMES.
15465         (dump_regclass): Remove local declaration of reg_class_names.
15466         (regclass): Likewise.
15467         * cfg.c (dump_flow_info): Likewise.
15468         * ra-debug.c (reg_class_names): Likewise.
15469         * regrename.c (reg_class_names): Likewise.
15470         * reload.c (reg_class_names): Likewise.
15471         * reload1.c (spill_failure): Likewise.
15472         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
15473
15474 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
15475
15476         * config/s390/s390.md ("reload_outti"): Remove predicate for
15477         output operand.  Abort if operand is not a MEM.
15478         ("reload_outdi", "reload_outdf"): Likewise.
15479
15480 2005-01-15  Marc Espie  <espie@openbsd.org>
15481
15482         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
15483         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
15484         * config/openbsd.h:  Fix C++ includes for native configurations.
15485         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
15486         Add trampoline support.
15487         * config/i386/openbsdelf.h: New.
15488
15489 2005-01-15  Marc Espie  <espie@openbsd.org>
15490
15491         * collect2.c (main): Explicitly parse -dynamic-linker option.
15492
15493 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
15494
15495         PR tree-optimization/19060
15496         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
15497         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
15498         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
15499         and handle extract_range_from_cond returning false.
15500         * fold-const.c (fold): Optimize comparisons with min/max even for
15501         width > HOST_BITS_PER_WIDE_INT.
15502
15503 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
15504
15505         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
15506         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
15507         Remove little endian multilib variants.
15508         Add mips32 multilib variant.
15509
15510 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
15511
15512         * explow.c (copy_all_reg, stabilize): Remove.
15513         * expr.h: Remove the corresponding prototypes.
15514
15515         * rtlanal.c (regs_set_between_p): Remove.
15516         * rtl.h: Remove the corresponding prototype.
15517
15518 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
15519
15520         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
15521         to rs6000_nonimmediate_operand.
15522         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
15523         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
15524         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
15525         rs6000_nonimmediate_operand.
15526         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
15527         rs6000_nonimmediate_operand.
15528
15529 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
15530
15531         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
15532
15533 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15534
15535         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
15536         on e500v2.
15537         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
15538         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
15539
15540         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
15541         (rs6k_nonimmediate_operand): New.
15542         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
15543         correctly.
15544         (legitimate_lo_sum_address_p): Same.
15545         (rs6000_legitimize_address): Same.
15546         (rs6000_legitimize_reload_address): Same.
15547         (rs6000_legitimate_address): Same.
15548         (spe_build_register_parallel): Pass DF and DC modes in a DI
15549         register.
15550
15551         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
15552         to rs6k_nonimmediate_operand.
15553
15554         * config/rs6000/spe.md ("*frob_df_di"): New.
15555         ("*frob_di_df"): New.
15556         ("*frob_di_df_2"): New.
15557         ("*mov_sidf_e500_subreg0"): New.
15558         ("*mov_sidf_e500_subreg4"): New.
15559         ("*movdf_e500_double"): Change predicate to
15560         rs6k_nonimmediate_operand.
15561
15562 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15563
15564         * postreload.c (move2add_note_store): Only call
15565         trunc_int_for_mode on scalar integers.
15566
15567 2005-01-14  Steven Bosscher  <stevenb@suse.de>
15568
15569         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
15570         replace BB_VISITED uses.
15571         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
15572         (propagate_necessity): Check the bitmap instead of BB_VISITED.
15573         (tree_dce_done): Free visited_control_parents.
15574         (perform_tree_ssa_dce): Allocate and clear it.
15575         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
15576         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
15577         instead of BB_VISITED.
15578
15579 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
15580
15581         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
15582         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
15583         Remove unused prototypes.
15584
15585 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15586
15587         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
15588         64-bit register usage.
15589         (spe_func_has_64bit_regs_p): Add FIXME note.
15590
15591 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15592
15593         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
15594         flag_finite_math_only with flag_unsafe_math_optimizations.
15595
15596 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
15597
15598         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
15599         end-of-stack check.
15600         (__tpf_eh_return): Copy TPF private stack area from the module
15601         boundary stack frame.  Add check for when module addresses are
15602         equal, but no stub address is found.
15603
15604 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
15605
15606         PR target/7525
15607         * arm.h (struct machine_function): Add call_via field.
15608         (thumb_call_via_label): Declare.
15609         * arm.c (thumb_call_via_label): New variable.
15610         (thumb_call_reg_needed): New variable.
15611         (arm_output_function_epilogue): For Thumb code, output any per-function
15612         call-indirect trampolines.
15613         (thumb_call_via_reg): New function.
15614         (arm_file_end): New function.
15615         (TARGET_ASM_FILE_END): Call arm_file_end.
15616         (aof_file_end): Likewise.
15617         * arm-protos.h (thumb_call_via_reg): Declare.
15618         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
15619         thumb_call_via_reg in normal case.
15620
15621 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
15622
15623         PR middle-end/19084
15624         PR rtl-optimization/19348
15625         * recog.c (peephole2_optimize): Do global life update if some peephole
15626         decides it doesn't need at least one of its inputs and that change
15627         influences liveness at the start of the basic block.
15628
15629         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
15630         arguments instead of 1.
15631
15632 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
15633
15634         PR middle-end/18820
15635         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
15636         zero for nested functions needing a static chain or functions
15637         with a non-constant address.
15638
15639 2005-01-13  Roger Sayle  <roger@eyesopen.com>
15640
15641         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
15642         (and (sign_extend X) C) into (zero_extend (and X C)).
15643
15644 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
15645
15646         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
15647
15648 2005-01-13  Richard Henderson  <rth@redhat.com>
15649
15650         PR target/19009
15651         PR target/19250
15652         PR target/19252
15653         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
15654         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
15655         not just TARGET_SSE.
15656         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
15657         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
15658         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
15659         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
15660         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
15661         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
15662         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
15663         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
15664         (movdicc_c_rex64): Rename with '*'.
15665         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
15666         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
15667         (movsfcc_1_387): Rename from movsfcc_1.
15668         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
15669         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
15670         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
15671         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
15672         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
15673         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
15674         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
15675         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
15676         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
15677         sse_movdfcc_const0_4): Remove.
15678         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
15679         recognize min/max early.  Update for changed sse cmove patterns.
15680         (ix86_split_sse_movcc): New.
15681         * config/i386/i386-protos.h: Update.
15682
15683 2005-01-13  Steven Bosscher  <stevenb@suse.de>
15684
15685         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
15686         (fix_stmt_v_may_defs): Likewise.
15687
15688 2005-01-13  Richard Henderson  <rth@redhat.com>
15689
15690         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
15691         for converting the mask.
15692
15693 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
15694
15695         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
15696         definition to 600.
15697
15698 2005-01-13  Richard Henderson  <rth@redhat.com>
15699
15700         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
15701         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
15702         IX86_BUILTIN_MOVDQ2Q): Remove.
15703         (IX86_BUILTIN_VEC_EXT_V4SI): New.
15704         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
15705         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
15706         shuffling.
15707         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
15708         (sse2_pextrw): Fix immediate constraint.
15709         (sse2_loadq, sse2_loadq_rex64): Remove.
15710         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
15711         Use __builtin_ia32_vec_ext_<size>.
15712         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
15713
15714 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
15715
15716         * function.c (assign_parm_setup_block): Look inside original
15717         entry_parm when inspecting PARALLEL.
15718
15719 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
15720             Joel Sherrill  <joel@oarcorp.com>
15721
15722         PR target/19399
15723         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
15724         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
15725         rtems_gxx_recursive_mutex_init.
15726         (__gthread_recursive_mutex_lock): New function.
15727         (__gthread_recursive_mutex_trylock): Likewise.
15728         (__gthread_recursive_mutex_unlock): Likewise.
15729
15730 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
15731
15732         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
15733
15734 2005-01-13  Jan Beulich  <jbeulich@novell.com>
15735
15736         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
15737         (ashrti3_internal): Indicate output is early clobber. Generate result
15738         into output rather than first input. Use move for low word of output
15739         if shift count is exactly 64.
15740         (lshrti3_internal): Likewise.
15741
15742 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
15743
15744         PR target/18329
15745         PR target/18330
15746         * reload1.c (delete_output_reload): Don't delete an output reload
15747         if the pseudo lives longer than a single basic block.  Adjust and
15748         improve wording of comment.
15749
15750 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
15751
15752         PR target/19334
15753         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
15754         of TYPE_SIZE where we mean the number of bytes.
15755
15756 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
15757
15758         * function.c (assign_parm_setup_block): Relax condition on
15759         multi-register optimization.
15760
15761 2005-01-12  Nick Clifton  <nickc@redhat.com>
15762
15763         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
15764         an "in_delay_slot" attribute of "no" to prevent them being used in
15765         delay slots.  This is forbidden because they might generate
15766         exceptions.
15767
15768 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
15769
15770         PR target/19389
15771         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
15772         with r->Y and Y->r.
15773
15774 2005-01-12  Nick Clifton  <nickc@redhat.com>
15775
15776         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
15777         passed on to GAS) but do not define, as GAS no longer supports or
15778         needs the -m2000 option.
15779
15780 2005-01-11  Roger Sayle  <roger@eyesopen.com>
15781
15782         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
15783         type as args of unprototyped builtins aren't automatically promoted.
15784         (fold_builtin_abs): Likewise.
15785
15786 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15787
15788         * Makefile.in: Set a `build-warn' variable.
15789
15790 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
15791
15792         PR tree-optimization/17949
15793         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
15794         (find_interesting_uses_address): Use it.
15795
15796 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
15797
15798         * regrename.c (kill_value): Handle subreg's that won't simplify.
15799
15800 2005-01-11  Richard Henderson  <rth@redhat.com>
15801
15802         PR target/13366
15803         * config/i386/i386.h (enum ix86_builtins): Move ...
15804         * config/i386/i386.c: ... here.
15805         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
15806         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
15807         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
15808         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
15809         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
15810         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
15811         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
15812         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
15813         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
15814         IX86_BUILTIN_LOADDDUP): Remove.
15815         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
15816         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
15817         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
15818         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
15819         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
15820         (ix86_init_builtins): Make static.
15821         (ix86_init_mmx_sse_builtins): Update for changed builtins.
15822         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
15823         if all the modes match.  Otherwise, fake it.
15824         (get_element_number, ix86_expand_vec_init_builtin,
15825         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
15826         (ix86_expand_builtin): Make static.  Update for changed builtins.
15827         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
15828         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
15829         (ix86_expand_vector_init_duplicate): New.
15830         (ix86_expand_vector_init_low_nonzero): New.
15831         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
15832         Split out from ix86_expand_vector_init; handle integer modes.
15833         (ix86_expand_vector_init): Use them.
15834         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
15835         * config/i386/i386-protos.h: Update.
15836         * config/i386/predicates.md (reg_or_0_operand): New.
15837         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
15838         (movv2sf_internal): Likewise.  And a splitter to match them all.
15839         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
15840         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
15841         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
15842         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
15843         (mmx_pinsrw): Fix operand ordering.
15844         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
15845         rather than sse_loadss expander.
15846         (movv2df splitter): Similarly.
15847         (sse_loadss, sse_loadlss): Remove.
15848         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
15849         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
15850         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
15851         (sse3_movddup): Rename with '*'.
15852         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
15853         (sse2_loadsd): Remove.
15854         (vec_dupv2df_sse3): Rename from sse3_loadddup.
15855         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
15856         (sse2_pinsrw): Fix argument ordering.
15857         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
15858         (sse2_stored): Remove 'r' destination.
15859         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
15860         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
15861         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
15862         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
15863         vec_extractv16qi, vec_initv16qi): New.
15864
15865         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
15866         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
15867         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
15868         constructor form.
15869         (_mm_load_pd, _mm_store_pd): Use plain dereference.
15870         (_mm_load_si128, _mm_store_si128): Likewise.
15871         (_mm_load1_pd): Use _mm_set1_pd.
15872         (_mm_load_sd): Use _mm_set_sd.
15873         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
15874         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
15875         (_mm_set_epi64): Use _mm_set_epi64x.
15876         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
15877         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
15878         _mm_setr_epi8): Use _mm_set_foo form.
15879         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
15880         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
15881         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
15882         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
15883         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
15884         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
15885         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
15886         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
15887         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
15888         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
15889         (_mm_movedup_pd): Use _mm_shuffle_pd.
15890         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
15891         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
15892         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
15893         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
15894         Use _mm_setzero_ps.
15895         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
15896         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
15897         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
15898         (_mm_store_ps): Use raw dereference.
15899         (_mm_store1_ps): Use _mm_storeu_ps.
15900         (_mm_storer_ps): Use _mm_store_ps.
15901         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
15902         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
15903
15904 2005-01-11  Stan Shebs  <shebs@apple.com>
15905
15906         * config/rs6000/rs6000.c (machopic_output_stub): Issue
15907         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
15908
15909 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
15910
15911         PR target/18761
15912         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
15913         Skip all DECLs except for FIELD_DECLs.
15914
15915 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
15916
15917         * config/s390/s390.c (override_options): Return error if
15918         -mbackchain, -mpacked-stack and -mhard-float are used together.
15919         (s390_va_start): Remove the backchain && packed-stack special case.
15920         (s390_gimplify_va_arg): Likewise.
15921         * doc/invoke.texi: Remove the ABI incompatibility note.
15922
15923 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
15924
15925         * config/s390/s390.c (struct s390_frame_layout): Remove
15926         save_backchain_p.
15927         (s390_frame_info, s390_emit_prologue): Replace occurrences of
15928         save_backchain_p with TARGET_BACKCHAIN.
15929
15930 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
15931
15932         PR target/18916
15933         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
15934         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
15935         * function.c (locate_and_pad_parm): Set new field.
15936         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
15937         Tweak where_pad test to include "none".  Always set mem align for
15938         stack_parm.
15939         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
15940         not sufficient for type.
15941         (assign_parm_setup_block): If stack_parm is zero on entry, always
15942         make a new stack local.  Block move old stack parm if necessary
15943         to new aligned stack local.
15944         (assign_parm_setup_stack): Use a block move to handle
15945         potentially misaligned entry_parm.
15946         (assign_parms_unsplit_complex): Specify required alignment when
15947         creating stack local.
15948         * calls.c (compute_argument_addresses): Override alignment of stack
15949         arg calculated from its type with the alignment given by
15950         FUNCTION_ARG_BOUNDARY.
15951         (store_one_arg): Likewise.
15952
15953 2005-01-11  Jan Beulich  <jbeulich@novell.com>
15954
15955         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
15956         Change respective itanium_class attribute to ialu.
15957         (shladdp4_internal): New.
15958         * config/ia64/predicates.md (shladd_log2_operand): New.
15959
15960 2005-01-11  Richard Henderson  <rth@redhat.com>
15961
15962         * expr.c (store_constructor): Use rtvec_alloc instead of
15963         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
15964
15965 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
15966
15967         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
15968
15969 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
15970
15971         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
15972         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
15973         (TARGET_RWRELOC): Define.
15974         (ia64_rwreloc_section_type_flags): Delete.
15975         (ia64_section_type_flags): New function.
15976         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
15977         (TARGET_RWRELOC): Define.
15978
15979 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
15980
15981         PR target/18987
15982         * config/ia64/ia64.c (process_set): For alloc insn, only call
15983         process_epilogue is !frame_pointer_needed.
15984
15985 2005-01-10  Roger Sayle  <roger@eyesopen.com>
15986
15987         PR c++/19355
15988         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
15989         unary operator and can't be treated as a binary/comparison operator.
15990
15991 2005-01-10  Richard Henderson  <rth@redhat.com>
15992
15993         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
15994         (ix86_return_in_memory): Likewise.
15995         (function_arg_advance):  Likewise.  Mirror structure in function_arg
15996         for choosing register to advance.
15997
15998 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
15999
16000         * tree-vectorizer.c, tree.def: Fix comment typos.
16001
16002 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
16003
16004         * config/s390/s390.c (struct processor_costs): 4 new fields:
16005         ddbr, ddr, debr, der.
16006         (s390_rtx_costs): More precise handling of divide instructions.
16007
16008 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
16009
16010         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
16011
16012 2005-01-10  Jan Beulich  <jbeulich@novell.com>
16013
16014         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
16015         names resulting from -ffunction-sections/-fdata-sections and linkonce
16016         ones.
16017         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
16018         based on the section name. Rearrange the section name comparison logic
16019         slightly so that each section name is compared against at most once.
16020
16021 2005-01-10  Ben Elliston  <bje@au.ibm.com>
16022
16023         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
16024         targets for which -fPIC reduces limitations on the GOT size.
16025
16026 2005-01-09  Falk Hueffner  <falk@debian.org>
16027
16028         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
16029         X/C1 cmpop C2.
16030
16031 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
16032
16033         PR target/18720
16034         * collect2.c (main): Set aixrtl_flag for -brtl option.
16035         (resolve_lib_name): Search for .so file extension before .a
16036         if aixrtl_flag set.
16037
16038 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
16039
16040         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
16041         (vect_analyze_data_refs_alignment): Add dump prints.
16042
16043 2005-01-09  Ira Rosen  <irar@il.ibm.com>
16044
16045         * tree-vectorizer.c (vect_analyze_offset_expr): Use
16046         expr_invariant_in_loop_p.
16047         Initialize outputs first thing in the function.
16048         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
16049         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
16050         (vect_analyze_pointer_ref_access): Check that the initial condition of
16051         the access function is loop invariant.
16052
16053 2005-01-09  Richard Henderson  <rth@redhat.com>
16054
16055         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
16056         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
16057         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
16058         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
16059         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
16060         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
16061         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
16062         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
16063         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
16064         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
16065         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
16066         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
16067         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
16068         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
16069         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
16070         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
16071         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
16072         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
16073         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
16074         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
16075         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
16076         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
16077         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
16078         mmx_ prefix.
16079         (mmx_clrdi, pavgusb): Remove.
16080         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
16081         with leading sse_ prefix.
16082         * config/i386/sse.md: Receive them.
16083         * config/i386/mmx.md: New file.
16084         (MMXMODE12, MMXMODE24, mmxvecsize): New.
16085         (subrv2sf3): Turn into expander for normal subtraction.
16086         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
16087         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
16088         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
16089         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
16090         commutative; use ix86_binary_operator_ok.
16091         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
16092         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
16093         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
16094         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
16095         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
16096         Macroize from existing patterns; use ix86_binary_operator_ok.
16097         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
16098         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
16099         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
16100         with vec_select+vec_concat.
16101         (mmx_pshufw, mmx_pshufw_1): Likewise.
16102         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
16103         (mmx_uavgv4hi3): Model correctly.
16104         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
16105         _mm_xor_si64): Remove casts.
16106
16107 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
16108
16109         PR tree-optimization/19224
16110         * tree-scalar-evolution.c (get_instantiated_value,
16111         set_instantiated_value): New functions.
16112         (instantiate_parameters_1): Cache the results.
16113         (instantiate_parameters, resolve_mixers): Initialize and free
16114         the cache.
16115
16116 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
16117
16118         * config/i386/i386.md (addhi_4): Correct reference in comment.
16119         (addqi_4): Same.
16120
16121 2005-01-08  Richard Henderson  <rth@redhat.com>
16122
16123         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
16124         (_mm_cvtsi128_si64x): Likewise.
16125         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
16126         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
16127         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
16128         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
16129         * config/i386/i386-protos.h: Update.
16130         * config/i386/i386.c (print_operand): Add 'H'.
16131         (ix86_fixup_binary_operands): Split out from ...
16132         (ix86_expand_binary_operator): ... here.
16133         (ix86_fixup_binary_operands_no_copy): New.
16134         (ix86_expand_fp_absneg_operator): Handle vector mode results.
16135         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
16136         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
16137         (safe_vector_operand): Use CONST0_RTX.
16138         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
16139         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
16140         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
16141         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
16142         special cases.
16143         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
16144         (IX86_BUILTIN_CMPNGESS): New.
16145         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
16146         (attr type): Add sselog1.
16147         (attr unit, attr memory): Handle it.
16148         (movti, movti_internal, movti_rex64): Move near other integer moves.
16149         (movtf, movtf_internal): Move near other fp moves.
16150         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
16151         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
16152         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
16153         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
16154         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
16155         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
16156         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
16157         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
16158         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
16159         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
16160         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
16161         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
16162         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
16163         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
16164         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
16165         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
16166         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
16167         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
16168         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
16169         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
16170         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
16171         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
16172         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
16173         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
16174         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
16175         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
16176         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
16177         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
16178         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
16179         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
16180         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
16181         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
16182         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
16183         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
16184         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
16185         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
16186         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
16187         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
16188         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
16189         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
16190         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
16191         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
16192         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
16193         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
16194         same time.
16195         (SSEPUSH, push<SSEPUSH>): Remove.
16196         (MMXPUSH, push<MMXPUSH>): Remove.
16197         (sse_movaps, sse_movaps_1, sse_movups): Remove.
16198         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
16199         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
16200         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
16201         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
16202         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
16203         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
16204         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
16205         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
16206         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
16207         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
16208         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
16209         (ppro_sse_log_V4SF): Handle sselog1.
16210         * config/i386/predicates.md (const_0_to_1_operand): New.
16211         (const_0_to_255_mul_8_operand): New.
16212         (const_1_to_31_operand): Rename from const_int_1_31_operand.
16213         (const_2_to_3_operand, const_4_to_7_operand): New.
16214         * config/i386/sse.md: New file.
16215         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
16216         (sse_movups): Rename from sse_movups_1.
16217         (sse_loadlss): Rename from sse_loadss_1.
16218         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
16219         from the name.
16220         (negv4sf2): Use ix86_expand_fp_absneg_operator.
16221         (absv4sf2, negv2df, absv2df): New.
16222         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
16223         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
16224         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
16225         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
16226         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
16227         (sse3_addsubv4sf3): Model correctly.
16228         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
16229         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
16230         (sse_movhlps): Model with vec_select+vec_concat.
16231         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
16232         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
16233         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
16234         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
16235         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
16236         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
16237         sse2_pshufhw_1): Likewise.
16238         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
16239         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
16240         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
16241         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
16242         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
16243         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
16244         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
16245         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
16246         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
16247         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
16248         sminv8hi3): Mark commutative
16249         operands.  Use ix86_binary_operator_ok.
16250         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
16251         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
16252         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
16253         sse2_punpcklqdq): Allow operand2 in memory.
16254         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
16255         sse2_movsd): Add memory alternatives.
16256         (sse_storelps): Turn expander into an insn; split after reload.
16257         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
16258         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
16259
16260 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
16261
16262         * configure.ac (DWARF-2 debug_line): Use objdump.
16263         * configure: Regenerate.
16264
16265 2005-01-08  Jeff Law  <law@redhat.com>
16266             Diego Novillo  <dnovillo@redhat.com>
16267
16268         PR tree-optimization/18241
16269         * tree-nrv.c (tree_nrv): Ignore volatile return values.
16270         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
16271         statements with volatile operands.
16272         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
16273         operands after marking a statement with has_volatile_ops.
16274
16275 2005-01-08  Roger Sayle  <roger@eyesopen.com>
16276
16277         * tree.c (int_fits_type_p): Always honor integer constant
16278         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
16279
16280 2005-01-08  Roger Sayle  <roger@eyesopen.com>
16281
16282         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
16283         the latent bug in rtl_delete_block has been resolved.
16284
16285 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
16286
16287         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
16288         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
16289
16290 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
16291
16292         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
16293         library as @multilib_dir@/$(SHLIB_SONAME).
16294
16295 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
16296
16297         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
16298         * configure: Regenerate.
16299
16300 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
16301
16302         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
16303         TYPE_MODE.
16304
16305 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
16306
16307         PR target/13674
16308         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
16309         Convert non-word aligned offset address using ld/std into
16310         indirect address.
16311
16312 2005-01-07  Richard Henderson  <rth@redhat.com>
16313
16314         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
16315
16316 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
16317
16318         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
16319
16320 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
16321
16322         PR tree-optimization/19283
16323         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
16324         is not shorter than the original type.
16325
16326         PR rtl-optimization/19012
16327         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
16328
16329         PR rtl-optimization/18861
16330         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
16331         (FULL_STATE): Define.
16332         (mark_tablejump_edge): New function.
16333         (purge_dead_tablejump_edges): New function.
16334         (find_bb_boundaries): Use it.
16335
16336         PR tree-optimization/18828
16337         * builtins.c (expand_builtin_next_arg): Remove argument and all
16338         the argument checking.
16339         (expand_builtin): Adjust caller.
16340         (expand_builtin_va_start): Likewise.  Remove error for too many
16341         arguments.
16342         (fold_builtin_next_arg): Issue error for too many arguments.
16343         After checking arguments, replace them with magic arguments that
16344         prevent further checking of the args.
16345
16346 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16347
16348         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
16349
16350 2005-01-06  Roger Sayle  <roger@eyesopen.com>
16351
16352         PR target/6077
16353         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
16354         and %{.S:...} (and their negative variants) to test whether the
16355         input file is assembler or pre-processed-assembler independent of
16356         the actual filename extension.
16357
16358 2005-01-06  Roger Sayle  <roger@eyesopen.com>
16359
16360         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
16361         of sign or zero extended values.
16362
16363 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
16364
16365         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
16366         for IBM long double format correctly.
16367
16368 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
16369
16370         Fix PR tree-optimization/18792
16371
16372         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
16373         to first_loop_depth, and use loop depth instead of loop number.
16374         (build_classic_dir_vector): Ditto.
16375         (compute_data_dependences_for_loop): Use depth, not loop number.
16376         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
16377         number. Pass in loops, instead of loop numbers.
16378         (gather_interchange_stats): Ditto.
16379         (linear_transform_loops): Ditto.
16380
16381 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
16382
16383         PR rtl-opt/13299
16384         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
16385         biv_fits_mode_p, extension_within_bounds_p): New functions.
16386         (check_ext_dependent_givs): Use them.
16387
16388 2005-01-06  Roger Sayle  <roger@eyesopen.com>
16389
16390         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
16391         more than one barrier, in which case we should delete them all.
16392
16393 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
16394
16395         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
16396
16397 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
16398
16399         Fix PR middle-end/19286
16400         Fix PR debug/19267
16401         * dwarf2out.c (gen_subprogram_die): If we've already tried to
16402         output this subprogram, simply ignore this attempt to do it again.
16403         (add_abstract_origin_attribute): Don't abort trying to add the abstract
16404         origin attribute if it's not possible.
16405         (gen_block_die): Don't ignore subblocks of "unused" blocks.
16406         (decls_for_scope): Ditto.
16407         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
16408         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
16409
16410 2005-01-05  Richard Henderson  <rth@redhat.com>
16411
16412         PR target/11327
16413         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
16414         (bdesc_2arg): Use it.
16415         (ix86_expand_binop_builtin): Force operands into registers
16416         when optimizing.
16417         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
16418         ix86_expand_sse_compare, ix86_expand_sse_comi,
16419         ix86_expand_builtin): Likewise.
16420
16421 2005-01-05  Richard Henderson  <rth@redhat.com>
16422
16423         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
16424         and VEC_SELECT.
16425         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
16426         (mulv4hi3): Set itanium_class mmmul.
16427         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
16428         (fpack): Rename from fpack_sfsf.
16429
16430 2005-01-05  Richard Henderson  <rth@redhat.com>
16431
16432         PR rtl-opt/10692
16433         * reload1.c (do_input_reload): Restrict the optimization deleteing
16434         a previous output reload to RELOAD_FOR_INPUT.
16435
16436 2005-01-05  Steven Bosscher  <stevenb@suse.de>
16437
16438         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
16439         comment that we fall through after case.
16440         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
16441         (distribute_links): Likewise.
16442         * cse.c (cse_insn): Likewise.
16443         * cselib.c (cselib_invalidate_mem): Likewise.
16444         * df.c: Update comments at the top of the file.
16445         (read_modify_subreg_p): Update comments here too.
16446         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
16447         * flow.c (mark_set_1): Likewise.
16448         (mark_used_regs): Likewise.
16449         * gcse.c (mems_conflict_for_gcse_p): Likewise.
16450         (canon_list_insert): Likewise.
16451         (mark_set): Likewise.
16452         (try_replace_reg): Likewise.
16453         (store_killed_in_insn): Likewise.
16454         * loop.c (count_one_set): Likewise.
16455         (basic_induction_var): Likewise.
16456         * postreload-gcse.c (find_mem_conflicts): Likewise.
16457         * postreload.c (reload_combine_note_store): Likewise.
16458         (move2add_note_store): Likewise.
16459         * reload.c (find_equiv_reg): Likewise.
16460         (mark_referenced_resources): Likewise.
16461         * rtlanal.c (set_noop_p): Likewise.
16462         (note_stores): Likewise.
16463         (note_uses): Likewise.
16464         * sched-deps.c (sched_analyze_1): Likewise.
16465         * sched-rgn.c (check_live_1): Likewise.
16466         (update_live_1): Likewise.
16467         * config/i860/i860.c: Likewise.
16468
16469         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
16470         an lvalue.
16471         (ZERO_EXTRACT): Mention that this one can be an lvalue.
16472
16473         * doc/rtl.texi: Update documentation for bit-fields and SET.
16474
16475 2005-01-05  Roger Sayle  <roger@eyesopen.com>
16476
16477         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
16478
16479 2005-01-05  Jan Hubicka  <jh@suse.cz>
16480             Richard Henderson  <rth@redhat.com>
16481
16482         PR target/18910
16483         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
16484         with an offset.
16485
16486 2005-01-05  Richard Henderson  <rth@redhat.com>
16487
16488         PR target/12902
16489         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
16490         (sse_shufps): Change operand 3 to const_int_operand.
16491         (sse2_storelps): Fix typo in template.
16492         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
16493         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
16494         (ix86_expand_builtin): Likewise.
16495
16496 2005-01-05  Julian Brown  <julian@codesourcery.com>
16497
16498         * config/arm/arm.c (arm_return_in_memory): Treat complex types
16499         as aggregates for AAPCS ABIs.
16500
16501 2005-01-05  Stan Shebs  <shebs@apple.com>
16502
16503         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
16504         Mach-O getters if ppc64.
16505         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
16506         size argument.
16507         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
16508         signed four-byte field for global code case.
16509         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
16510
16511 2005-01-05  Roger Sayle  <roger@eyesopen.com>
16512
16513         PR middle-end/19100
16514         * c-common.c: Include real.h.
16515         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
16516         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
16517         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
16518         * Makefile.in (c-common.o): Update dependencies.
16519
16520 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
16521
16522         * c-parse.in (asm_string): Add trailing semicolon.
16523
16524 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
16525
16526         * c-parse.in (asm_string): New.  Don't allow wide strings in
16527         'asm'.
16528         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
16529         asm_string instead of STRING.
16530
16531 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
16532
16533         * c-typeck.c (constructor_no_implicit): Remove.
16534         (set_designator, process_init_element): Don't check
16535         constructor_no_implicit.
16536
16537 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
16538             Kaz Kojima  <kkojima@gcc.gnu.org>
16539
16540         PR target/16482
16541         * lcm.c (create_pre_exit): New.
16542         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
16543         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
16544
16545 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
16546
16547         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
16548         -msoft-float in target_float_switch.
16549         * arm.c (arm_override_options): Fix processing of target_float_switch.
16550
16551 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
16552
16553         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
16554         preferencing.
16555
16556 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
16557
16558         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
16559         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
16560
16561 2005-01-04  Roger Sayle  <roger@eyesopen.com>
16562
16563         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
16564         if deleting the then-block allows the test-block to fallthru to the
16565         else-block.
16566
16567 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
16568
16569         PR c/19152
16570         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
16571         after the full declaration if the are in two different TUs.
16572
16573 2005-01-04  Richard Henderson  <rth@redhat.com>
16574
16575         PR tree-opt/19158
16576         * tree-sra.c (generate_one_element_init): Just
16577         call gimplify_and_add.
16578         (generate_element_init): Record the
16579         new referenced variables and mark them for renaming
16580         and split out to ...
16581         (generate_element_init_1): This.
16582         (scalarize_init): Don't call push_gimplify_context/
16583         pop_gimplify_context.
16584
16585 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
16586
16587         * toplev.c (get_src_pwd): Handle failure of getpwd().
16588
16589 2005-01-04  Roger Sayle  <roger@eyesopen.com>
16590
16591         * fold-const.c (fold_single_bit_test): Delete unreachable handling
16592         of TRUTH_NOT_EXPR.
16593         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
16594         all the cases handled by it are inverted by invert_truthvalue.
16595
16596 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
16597
16598         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
16599         (save_register_windowsi): Likewise.
16600
16601 2005-01-04  Richard Henderson  <rth@redhat.com>
16602
16603         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
16604
16605 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
16606
16607         PR middle-end/17767
16608         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
16609         any simplifications of vector mode comparison operators.
16610         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
16611
16612 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
16613             Devang Patel  <dpatel@apple.com>
16614
16615         PR tree-optimization/18308
16616         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
16617         the operands before creating a new expression.
16618         * dojump.c (do_jump): Make drop_through_label available
16619         for all cases.  Add expansion of COND_EXPR.
16620
16621 2005-01-04  Ira Rosen  <irar@il.ibm.com>
16622
16623         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
16624         INTEGER_CST instead of TREE_CONSTANT.
16625         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
16626         instead of TREE_CONSTANT.
16627         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
16628         instead of TREE_CONSTANT.
16629
16630 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
16631
16632         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
16633
16634 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
16635
16636         PR target/19240
16637         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
16638         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
16639
16640 2005-01-03  Richard Henderson  <rth@redhat.com>
16641
16642         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
16643         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
16644         fold_convert_const_real_from_real): Split out from ...
16645         (fold_convert_const): ... here.
16646
16647 2005-01-03  Richard Henderson  <rth@redhat.com>
16648
16649         PR target/19235
16650         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
16651         (mov<MMXMODEI>_internal): Likewise.
16652         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
16653         Add V2SF case; use it for SSE1; don't use TI.
16654         (movdf_integer): Likewise.
16655         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
16656
16657 2005-01-03  Ira Rosen  <irar@il.ibm.com>
16658
16659         * tree-vectorizer.c (vect_strip_conversions): New function.
16660         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
16661         check for binary class.
16662
16663 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
16664
16665         Fix PR debug/17924
16666         Fix PR debug/19191
16667         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
16668         is a decl.
16669         * gimple-low.c (mark_blocks_with_used_vars): New function.
16670         (mark_blocks_with_used_subblocks): Ditto.
16671         (mark_used_blocks): Ditto.
16672         (pass_mark_used_blocks): New pass.
16673         * tree-inline.c: Include debug.h.
16674         (expand_call_inline): Call outlining_inline_function here.
16675         * tree-optimize.c (init_tree_optimization_passes): Add
16676         pass_mark_used_blocks.
16677         * tree-pass.h (pass_mark_used_blocks): New.
16678         * Makefile.in (tree-inline.o): Add debug.h dependency.
16679
16680 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
16681
16682         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
16683         VAR_DECLs to have weak_import attribute.
16684
16685         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
16686         'struct ucontext'.
16687
16688 2004-01-03  Steven Bosscher  <stevenb@suse.de>
16689
16690         * passes.c (rest_of_compilation): Don't run regmove if only
16691         flag_expensive_optimizations, require flag_regmove instead.
16692
16693 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
16694
16695         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
16696         register "sparc".
16697         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
16698         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
16699         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
16700         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
16701
16702 2005-01-03  Richard Henderson  <rth@redhat.com>
16703
16704         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
16705         (ia64_const_ok_for_letter_p): New.
16706         (ia64_const_double_ok_for_letter_p): New.
16707         (ia64_extra_constraint): New.
16708         (ia64_expand_vecint_compare): New.
16709         (ia64_expand_vcondu_v2si): New.
16710         (ia64_expand_vecint_cmov): New.
16711         (ia64_expand_vecint_minmax): New.
16712         (ia64_print_operand): Add 'v'.
16713         (ia64_preferred_reload_class): New.
16714         (ia64_vector_mode_supported_p): New.
16715         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
16716         (PREFERRED_RELOAD_CLASS): Move to function.
16717         (CONST_OK_FOR_LETTER_P): Move to function.
16718         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
16719         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
16720         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
16721         (EXTRA_CONSTRAINT): Move to function.
16722         * config/ia64/ia64.md: Include vect.md.
16723         (itanium_class): Add mmalua.
16724         (type): Handle it.
16725         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
16726         (1b_mmalua): New.
16727         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
16728         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
16729         CONST0_RTX.
16730         (const_int_2bit_operand): New.
16731         (fr_reg_or_0_operand): New.
16732         * config/ia64/ia64-modes.def: Add vector modes.
16733         * config/ia64/ia64-protos.h: Update.
16734         * config/ia64/vect.md: New file.
16735
16736 2005-01-03  Richard Henderson  <rth@redhat.com>
16737
16738         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
16739
16740 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
16741
16742         PR target/19236
16743         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
16744         to SFmode.
16745         (log1pdf2): Change mode of operands[0,1] to DFmode.
16746
16747 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
16748
16749         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
16750         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
16751         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
16752         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
16753         SPARC_RELAXED_ORDERING.
16754
16755 2005-01-03  Richard Henderson  <rth@redhat.com>
16756             Uros Bizjak  <uros@kss-loka.si>
16757
16758         PR target/14631
16759         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
16760         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
16761         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
16762         handling.
16763         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
16764         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
16765         const_pow2_1_to_128_operand): New predicates.
16766
16767 2005-01-02  Greg McGary  <greg@mcgary.org>
16768
16769         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
16770         anonymous decls.
16771         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
16772         object.  [ptr_type]: Remove unused variable.
16773         Remember nearest addressable array-element or record-component
16774         when checking bitfield components.  Tolerate empty BIND_EXPR.
16775
16776 2005-01-01  Richard Henderson  <rth@redhat.com>
16777
16778         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
16779         that don't narrow the value.  Fail for other conversions.
16780
16781 2005-01-01  Richard Henderson  <rth@redhat.com>
16782
16783         PR c/19031
16784         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
16785         * c-lang.c (finish_file): Don't do it here.
16786         * objc/objc-act.c (objc_finish_file): Likewise.
16787
16788         * cgraph.c (decl_assembler_name_equal): New.
16789         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
16790         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
16791         * cgraph.h (struct cgraph_varpool_node): Add next.
16792         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
16793         * varasm.c (assemble_alias): Mark the target as needed.
16794
16795 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
16796
16797         PR middle-end/19221
16798         * function.c (get_arg_pointer_save_area): Use entry_of_function
16799         instead of get_insns.
16800
16801 2005-01-01  Roger Sayle  <roger@eyesopen.com>
16802             Andrew Pinski  <pinskia@physics.uc.edu>
16803             James E. Wilson  <wilson@specifixinc.com>
16804
16805         PR rtl-optimization/12092
16806         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
16807         is zero.
16808
16809 2005-01-01  Roger Sayle  <roger@eyesopen.com>
16810             Olivier Hainque  <hainque@act-europe.fr>
16811
16812         * tree.c (int_fits_type_p): A narrower type always fits in a
16813         wider one, except for negative values into unsigned types.
16814
16815 2005-01-01  Roger Sayle  <roger@eyesopen.com>
16816
16817         * tree.c (int_fits_type_p): Compare the result of force_fit_type
16818         with the original constant rather than require TREE_OVERFLOW.
16819
16820 2005-01-01  Steven Bosscher  <stevenb@suse.de>
16821
16822         PR middle-end/17544
16823         * c-decl.c (finish_function): If compiling C99, annotate the
16824         compiler generated return with the current file name and line 0.
16825         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
16826         the source line is greater than 0.
16827         (remove_bb): Likewise.