* config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
[official-gcc.git] / gcc / ChangeLog
blobc026bf36ce7f060e1d7f59b23f16d7315c62845f
1 2005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>
3         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
4         * config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
5         default definition.
6         (FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.
8 2005-05-11  Nathan Sidwell  <nathan@codesourcery.com>
10         PR bootstrap/21481
11         * crtstuff.c: Include auto-host.h again, for now.
13 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
15         * config/mips/24k.md: Remove trailing whitespace.
17 2005-05-11  David Ung  <davidu@mips.com>
19         * config/mips/mips.md (type): Add imul3.
20         (length, hazard, may_clobber_hilo): Check for imul3.
21         (mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
22         (*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
23         * config/mips/24k.md (r24k_int_mul3): Enable this reservation
24         for a 3 operand mul and its bypasses.
25         * config/mips/3000.md (r3k_imul): Add imul3 to reservations.
26         * config/mips/4000.md (r4k_imul): Likewise.
27         * config/mips/4100.md (r4100_imul_si, r4100_imul_di):  Likewise.
28         * config/mips/4130.md (vr4130_class, vr4130_mulsi)
29         (vr4130_muldi): Likewise.
30         * config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
31         * config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
32         * config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
33         * config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
34         (ir_vr54_imadd_si): Likewise.
35         * config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di):  Likewise.
36         * config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
37         (rm7_impy_di): Likewise.
38         * config/mips/9000.md (rm9k_mulsi, rm9k_muldi):  Likewise.
39         * config/mips/generic.md (generic_imul): Likewise.
40         * config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
41         * config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di):  Likewise.
43 2005-05-11  J"orn Rennecke <joern.rennecke@st.com>
45         PR middle-end/20371:
46         * tree.h (record_layout_info_s): New member prev_packed.
47         * stor-layout.c (update_alignment_for_field): Fix comment about
48         KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
49         we start it properly aligned.
50         (place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
51         to update_alignment_for_field, and recompute it afterwards using
52         the alignment of the record.
53         When a packed bitfield precedes an MS bitfield, don't add padding
54         at the end of the packed bitfield on behalf of the base type of
55         the packed bit field.
56         Don't adjust rli->bitpos at the end
57         of an MS bitfield run if we already adjusted bitpos/offset for an
58         alignment as large or larger than the bitfield type size.
59         Take possible record alignment > BIGGEST_ALIGNMENT into account
60         when calculating actual_align.
61         Only put packed buit fields into rli->prev_field if they end up
62         suitably aligned.
63         Also set rli->remaining_in_alignment when we re-set rli->prev_field.
64         Update rli->remaining_in_alignment when we have already started a
65         run of bit fields and we process a packed bit field.
67 2005-05-11  Sebastian Pop  <pop@cri.ensmp.fr>
69         * tree-data-ref.c (find_data_references_in_loop): Give up when
70         the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
71         may embed arbitrary side effects.
72         Remove the assumption that GIMPLE form contains a single array
73         access per statement.
74         When the statement contains virtual operands, fail if it is not
75         a MODIFY_EXPR or a CALL_EXPR.
76         Return after the dont know node is inserted.
78 2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
80         * arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
82 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
84         PR middle-end/19807
85         PR tree-optimization/19639
86         * fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
87         and generic summands for char* as s * delta, too, folding &a[i]
88         CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
89         for comparison of steps.  Convert types for index addition.
90         (fold_binary): Adjust the callers to always dispatch to
91         try_move_mult_to_index.
92         * tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
93         expr with non-gimple ARRAY_REF offset.
95 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
97         * fold-const.c (fold_indirect_ref_1): Avoid removing
98         NOP_EXPRs with type qualifiers like const.
100 2005-05-11  Richard Henderson  <rth@redhat.com>
102         PR c/21502
103         * c-decl.c (finish_decl): Propagate the completed array type of
104         a global variable into the binding.
106 2005-05-10  Matt Kraai  <kraai@ftbfs.org>
108         * Makefile.in (gtype-desc.o, build/genautomata.o)
109         (build/varray.o): Depend on $(VARRAY_H).
110         
111 2005-05-10  Diego Novillo  <dnovillo@redhat.com>
113         * tree-optimize.c (init_tree_optimization_passes): Re-organize
114         optimization passes to do an initial batch of scalar cleanups.
116 2005-05-10  Ian Lance Taylor  <ian@airs.com>
118         * read-rtl.c (struct macro_traverse_data): Define.
119         (map_attr_string): New static function, broken out of
120         apply_macro_to_string.
121         (mode_attr_index, apply_mode_maps): New static functions.
122         (apply_macro_to_string): Call map_attr_string.
123         (apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
124         all callers.
125         (apply_macro_traverse): Expect data to point to a struct
126         macro_traverse_data.
127         (read_rtx): Add mode_maps local variable.  Use mode_traverse_data
128         to pass data through htab_traverse.
129         (read_rtx_1): Add mode_maps parameter.  Change all callers.
130         Handle mode names which are attribute strings.
131         * doc/md.texi (Substitutions): Rename from String Substitutions.
132         Change references.  Document using attributes as modes.
134 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
136         * tree-cfg.c (tree_duplicate_sese_region): Update profile.
137         * tree-optimize.c (init_tree_optimization_passes) Swap
138         pass_ch and pass_profile.
139         * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
140         here.  Remove rewrite_into_loop_closed_ssa call.
142 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
144         * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
145         function.
146         (legitimate_reload_constant_p): Add check for const double zero.
147         * config/s390/s390.md: Add comment for constraint letter 'G'.
148         ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
149         attributes for new case.
150         * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
151         s390_const_double_ok_for_constraint_p.
152         * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
153         Add prototype.
155 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
157         PR tree-optimization/21170
158         * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
159         rewrite_ssa_into_ssa in comments with update_ssa.
161 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
163         * tree-ssa-loop-im.c: Include hashtab.h.
164         (struct mem_ref_loc): New.
165         (struct mem_ref): Describe the set of references with the same
166         shape.
167         (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
168         maybe_queue_var, fem_single_reachable_address,
169         for_each_memref, single_reachable_address,
170         is_call_clobbered_ref, determine_lsm_reg): Removed.
171         (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
172         hoist_memory_reference, memref_hash, memref_eq, memref_del,
173         gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
174         New functions.
175         (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
176         (determine_lsm_loop): Rewritten.
177         (determine_lsm): Do not set stmt uids.
179 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
181         * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
182         letters.
183         
184 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
186         * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
187         ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
188         ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.
190 2005-05-10  Jeff Law  <law@redhat.com>
192         * tree-ssa-dom.c (dom_opt_finalize_block): Do not call
193         thread_across_edge for any abnormal edges.
195 2005-05-10  Richard Henderson  <rth@redhat.com>
197         * config/ia64/ia64.c (ia64_expand_atomic_op): New.
198         * config/ia64/ia64-protos.h: Declare it.
199         * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
200         (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
201         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
202         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
203         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
204         (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
205         extend result; use release semantics.
206         (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
207         (sync_val_compare_and_swap_<IMODE>): Update to match.
209 2005-05-10  Richard Henderson  <rth@redhat.com>
211         * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
212         before comparing it for success.
214 2005-05-10  Richard Henderson  <rth@redhat.com>
216         * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
217         no return value pattern.
219 2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
220             H.J. Lu  <hongjiu.lu@intel.com>
222         * libgcov.c (create_file_directory): New function. Create
223         directory for the given file name.
224         (gcov_max_filename): New static var. Keeps size of the longest
225         file name.
226         (gcov_exit): Always try to create directory for output
227         file. Relocate each filename basing on environment vars.
228         (__gcov_init): Remember the longest file name.
229         * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
230         * doc/gcov.texi (Cross-profiling): New node documenting
231         cross-profiling management.
232         * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.
234 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
236         * config/sparc/sparc.c (mem_min_alignment): Do not rely
237         on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.
239 2005-05-10  Bob Wilson  <bob.wilson@acm.org>
241         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
242         case code to avoid one move instruction.
243         (__umodsi3, __modsi3): Merge duplicated code sequences.
245 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
247         * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
248         config/sh/sh.md, config/sh/superh.h: Fix comment typos.
249         * doc/invoke.texi: Fix typos.
251         * tree-data-ref.c (analyze_array_indexes, analyze_array,
252         init_data_ref, access_functions_are_affine_or_constant_p,
253         free_data_refs): Use VEC instead of VARRAY.
254         * tree-data-ref.h (data_reference): Change the type of
255         access_fns to VEC(tree,gc)*.
256         (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.
258 2005-05-10  Gabor Loki <loki@gcc.gnu.org>
260         PR c/17913
261         * c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
262         * fold-const.c (fold): Expand the condition of reducing cond_expr.
263         (contains_label_1, contains_label_p): New functions for checking
264         labels in a sub-tree.
266 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
268         PR c/21342
269         * c-decl.c (pushdecl): When there is a declaration in the current
270         scope and the declarations are external linkage, check for
271         compatibility with the type in the external scope and update the
272         type in the external scope with the composite type information.
273         Do not form a composite type of the new type and the visible type
274         if they are incompatible.
276 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
278         * crtstuff.c: Revert part of 2005-05-08 Change.
279         (IN_LIBGCC2): Define.
281 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
283         * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
284         remove redundant test.
285         (fp_mov_p): Accept 0.
286         (fp_high_losum_p): Remove redundant test.
287         * config/sparc/predicates.md (const_high_operand): Explicitly test
288         (not small_int_operand).
289         (fp_const_high_losum_operand): New.
290         * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
291         (movdi_insn_sp32_v9): Use canonical predicates.
292         (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
293         (movdi_insn_sp64_novis): Delete.
294         (movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
295         (movsf_insn_novis): Delete.
296         (movsf_insn_vis): Rename into movsf_insn.
297         (movsf_no_f_insn): Rename into movsf_insn_no_fpu.
298         (movsf_lo_sum): Use fp_const_high_losum_operand.
299         (movsf_high): Likewise.
300         (movsf_high_losum splitter): Likewise.
301         (mov<V32:mode> expander): Use register_or_zero_operand.
302         (mov<V64:mode> expander): Likewise.
303         (movdf_insn_sp32): Use register_or_zero_operand.
304         (movdf_no_e_insn_sp32): Use register_or_zero_operand.
305         Rename into movdf_insn_sp32_no_fpu.
306         (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
307         Rename into movdf_insn_sp32_v9_no_fpu.
308         (movdf_insn_v9only_novis): Delete.
309         (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
310         (movdf_insn_sp64_novis): Delete.
311         (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
312         (movdf_no_e_insn_sp64): Use register_or_zero_operand. 
313         Rename into movdf_insn_sp64_no_fpu.
314         (movtf expander): Use register_or_zero_operand.
315         (movtf_insn_sp32): Delete.
316         (movtf_insn_vis_sp32): Use register_or_zero_operand.
317         Rename into movtf_insn_sp32.
318         (movtf_no_e_insn_sp32): Use register_or_zero_operand.
319         Rename into movtf_insn_sp32_no_fpu.
320         (movtf_insn_hq_sp64): Delete.
321         (movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
322         Rename into movtf_insn_sp64_hq.
323         (movtf_insn_sp64): Delete.
324         (movtf_insn_vis_sp64): Use register_or_zero_operand.
325         Rename into movtf_insn_sp64.
326         (movtf_no_e_insn_sp64): Use register_or_zero_operand.
327         Rename into movtf_insn_sp64_no_fpu.
329 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
331         * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
332         gcc_assert and gcc_unreachable as appropriate.
333         (xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
334         xstormy16_output_cbranch_si, xstormy16_split_move,
335         xstormy16_initial_elimination_offset,
336         xstormy16_encode_section_info, xstormy16_print_operand_address,
337         xstormy16_expand_call, xstormy16_expand_arith,
338         xstormy16_output_shift, xstormy16_init_builtins): Likewise.
340 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
342         * tree-outof-ssa.c (_elim_graph): Change the type of nodes and
343         const_copies to VEC(tree,heap)*.
344         (new_elim_graph, delete_elim_graph, elim_graph_size,
345         elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
346         instead of VARRAY.
348 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
350         PR other/21052
351         * doc/extend.texi (Type Attributes): Correct example syntax.
353 2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
355         PR c/21160
356         * doc/invoke.texi (-Wuninitialized): Update documentation.
358 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
360         * arm.c (const_ok_for_arm): Use a faster algorithm.
362 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
364         PR target/21477
365         * config/rs6000/rs6000.md (add_op2): New.
366         (add<mode>3): Use it.
368 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
370         * arm.c (arm_gen_constant): Add new heuristic for generating
371         constant integers that can be expressed as the difference of two
372         valid immediates.
374 2005-05-09  Roger Sayle  <roger@eyesopen.com>
376         * c-tree.h (parser_build_unary_op): New prototype.
377         * c-typeck.c (parser_build_unary_op): New function to construct
378         a unary operation in the C parser.
379         * c-parser.c (c_parser_unary_expression):  Use the new function
380         parser_build_unary_op when appropriate.
382 2005-05-09  Mark Mitchell  <mark@codesourcery.com>
384         PR 18655
385         * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
386         before outputting DWARF_FRAME_RETURN_COLUMN.
388 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
390         * config/s390/s390.c: (s390_branch_condition_mask,
391         s390_branch_condition_mnemonic, s390_extra_constraint_str,
392         s390_const_ok_for_constraint_p, s390_expand_plus_operand,
393         legitimize_pic_address, s390_emit_tls_call_insn,
394         legitimize_tls_address, legitimize_tls_address,
395         s390_expand_addcc, print_shift_count_operand, print_operand,
396         addr_generation_dependency_p, annotate_constant_pool_refs,
397         s390_split_branches, find_constant_pool_ref,
398         replace_constant_pool_ref, s390_add_constant, s390_find_constant,
399         s390_find_execute, s390_mainpool_start, s390_chunkify_start,
400         s390_output_pool_entry, s390_function_value,
401         s390_call_saved_register_used, s390_emit_call): Replace
402         conditional aborts by gcc_assert and unconditional by gcc_unreachable.
403         (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
404         s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
405         get_some_local_dynamic_name, s390_function_arg_size,
406         s390_function_arg_advance, s390_function_arg,
407         s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
408         default case by gcc_unreachable.
409         * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
410         conditional abort by gcc_assert.
411         ("doloop_si31"): Replace abort in last else by gcc_unreachable.
412         ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
414 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
416         * config/s390/s390.c: (s390_decompose_address,
417         tls_symbolic_operand, legitimate_pic_operand_p,
418         legitimate_constant_p, legitimate_reload_constant_p,
419         s390_expand_plus_operand, legitimate_address_p,
420         legitimate_la_operand_p, ): Remove 'register' from signature.
421         (symbolic_reference_mentioned_p,
422         tls_symbolic_reference_mentioned_p): Remove 'register' from local
423         variable declarations.
424         (legitimize_address): Remove 'register' from
425         signature and local variable declarations.
427 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
429         * config/s390/s390-protos.h: (s390_match_ccmode,
430         s390_match_ccmode_set, reg_used_in_mem_p,
431         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
432         legitimate_la_operand_p, preferred_la_operand_p,
433         s390_short_displacement, addr_generation_dependency_p,
434         legitimate_reload_constant_p, legitimate_address_p): Change return type
435         into 'bool'.
436         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'. 
437         * config/s390/s390.c: (s390_match_ccmode,
438         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
439         legitimate_reload_constant_p): Change return type into 'bool'.
440         (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
441         Likewise.  Additionally adapted comment.  
442         (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
443         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'. 
444         (s390_decompose_address): Change the type of the internal flags
445         "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
446         (struct s390_address): Change type of "pointer" into bool.
447         * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
448         Adapt calls for 's390_tm_ccmode' to the new signature.
450 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
452         * config/s390/s390.c: (s390_match_ccmode_set,
453         s390_branch_condition_mnemonic, s390_short_displacement,
454         s390_decompose_address, get_thread_pointer, legitimize_tls_address,
455         print_shift_count_operand, get_some_local_dynamic_name,
456         get_some_local_dynamic_name_1, reg_used_in_mem_p,
457         addr_generation_dependency_p, s390_split_branches,
458         annotate_constant_pool_refs, find_constant_pool_ref,
459         replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
460         s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
461         s390_register_info, s390_frame_info, s390_init_frame_layout,
462         s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
463         restore_gprs, s390_function_arg_size, s390_function_arg_float,
464         s390_init_machine_status, s390_assemble_integer, s390_handle_option,
465         s390_encode_section_info, s390_cannot_force_const_mem,
466         s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
467         s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
468         s390_adjust_priority, s390_issue_rate,
469         s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
470         s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
471         s390_build_builtin_va_list, s390_gimplify_va_arg,
472         s390_function_ok_for_sibcall, s390_call_saved_register_used,
473         s390_pass_by_reference, s390_fixed_condition_code_regs,
474         s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
475         s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
476         s390_chunkify_cancel, s390_start_pool, s390_end_pool,
477         s390_add_pool_insn, s390_find_pool, s390_add_constant,
478         s390_find_constant, s390_add_execute, s390_find_execute,
479         s390_execute_label, s390_execute_target, s390_dump_pool,
480         s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes. 
481         Move target macro definitions to the end of the file.  Move several
482         functions within the file to assure correct compiling.
484 2005-05-09  Steven Bosscher  <stevenb@suse.de>
486         * calls.c (purge_reg_equiv_notes): Remove, fold into...
487         (fixup_tail_calls): ...here.  Only look at insns between the
488         start of the function and the FUNCTION_BEG insn note.
490         * gcse.c (one_cprop_pass): Fix typos in dumps.
492         * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
494 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
496         * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
497         * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
498         "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
499         Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
500         CC_REGNUM)'.
501         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
502         '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
503         ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
504         REG_SC)'.
506 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
508         * config/s390/s390.md: ("gf") New mode attribute.
509         ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
510         "fixuns_truncsfsi2"): Merge.
511         ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
512         ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
513         "fix_truncsfsi2_ieee"): Merge.
515 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
517         * config/s390/s390.md: ("FPR") New mode macro.
518         ("de", "dee"): New mode attributes.
519         ("cmpdf", "cmpsf"): Merge.
520         ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
521         ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
522         ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
523         ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
524         ("floatdidf2", "floatdisf2"): Merge.
525         ("adddf3", "addsf3"): Merge.
526         ("*adddf3", "*addsf3"): Merge.
527         ("*adddf3_cc", "*addsf3_cc"): Merge.
528         ("*adddf3_cconly", "*addsf3_cconly"): Merge.
529         ("*adddf3_ibm", "*addsf3_ibm"): Merge.
530         ("subdf3", "subsf3"): Merge.
531         ("*subdf3", "*subsf3"): Merge.
532         ("*subdf3_cc", "*subsf3_cc"): Merge.
533         ("*subdf3_cconly", "*subsf3_cconly"): Merge.
534         ("*subdf3_ibm", "*subsf3_ibm"): Merge.
535         ("muldf3", "mulsf3"): Merge.
536         ("*muldf3", "*mulsf3" "): Merge.
537         ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
538         ("*fmadddf", "*fmaddsf"): Merge.
539         ("*fmsubdf", "*fmsubsf"): Merge.
540         ("divdf3", "divsf3"): Merge.
541         ("*divdf3", "*divsf3"): Merge.
542         ("*divdf3_ibm", "*divsf3_ibm"): Merge.
543         ("negdf2", "negsf2"): Merge.
544         ("*negdf2_cc", "*negsf2_cc"): Merge.
545         ("*negdf2_cconly", "*negsf2_cconly"): Merge.
546         ("*negdf2", "*negsf2"): Merge.
547         ("*negdf2_ibm", "*negsf2_ibm"): Merge.
548         ("absdf2", "abssf2"): Merge.
549         ("*absdf2_cc", "*abssf2_cc"): Merge.
550         ("*absdf2_cconly", "*abssf2_cconly"): Merge.
551         ("*absdf2", "*abssf2"): Merge.
552         ("*absdf2_ibm", "*abssf2_ibm"): Merge.
553         ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
554         ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
555         ("*negabsdf2", "*negabssf2"): Merge.
556         ("sqrtdf2", "sqrtsf2"): Merge.
558 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
560         * config/s390/s390.c: (s390_adjust_priority): Adapt to changed 
561         attribute names.
562         * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
563         "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
564         ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
565         "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
566         attribute names.
567         * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
568         fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
569         "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
570         fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
571         ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
572         "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
573         "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
574         "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
575         "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
576         "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
577         "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
578         "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
579         "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
580         "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
581         "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
582         "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
583         'type' value.
584         ("*divsf3"): Additionally rename second pattern to
585         "*divsf3_ibm".
586         ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
587         "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
588         "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
589         "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
590         "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
591         'type values' and rename 'type' value.
592         ("*addsf3"): Additionally rename second pattern to
593         "*addsf3_ibm".
595 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
597         * config/s390/s390.md: ("SHIFT"): New mode macro.
598         ("lr", "shift"): New mode attributes.
599         ("ashldi3", "lshrdi3"): Merge.
600         ("*ashldi3_31", "*lshrdi3"_31): Merge.
601         ("*ashldi3_64", "*lshrdi3"_64): Merge.
602         ("ashlsi3", "lshrsi3"): Merge.
604 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
606         * config/s390/s390.md: ("DSI", "SCOND"): New mode 
607         macros.
608         ("E", "g"): New mode attributes.
609         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
610         ("*adddi3_alc", "*addsi3_alc"): Merge.
611         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
612         ("*subdi3_slb", "*subsi3_slb"): Merge.
613         ("adddicc", "addsicc"): Merge.
614         ("*sconddi", "*scondsi"): Merge.
615         ("*sconddi_neg", "*scondsi_neg"): Merge.
616         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
617         ("negdi2", "negsi2"): Extract expander pattern from
618         "negsi2" and merge with "negdi2".
619         ("*negdi2"): Merge with instruction pattern of "negsi2".
620         ("*negdi2_cc", "*negsi2_cc"): Merge.
621         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
622         ("rotldi3", "rotlsi3"): Merge.
624 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
626         * config/s390/s390.md: ("hc"): New mode attribute.
627         ("extendhidi2", "extendqidi2"): Merge.
628         ("*extendhidi2", "*extendqidi2"): Merge.
629         ("extendhisi2", "extendqisi2"): Merge.
630         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
631         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
632         Merged 2 define_split.
633         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
634         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
636 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
638         * config/s390/s390.md: ("COMPARE"): New mode macro.
639         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
640         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
641         "bungt", "bunle", "bunge", "bltgt"): Merge.
643 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
645         * config/s390/s390.md: ("INT"): New mode macro.
646         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
647         Merge.
649 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
651         * config/s390/s390.md: ("GPR", "P"): New mode macros.
652         ("cmpdi", "cmpsi"): Merge.
653         ("strlendi", "strlensi"): Merge.
654         ("*strlendi", "*strlensi"): Merge.
655         ("movmemdi", "movmemsi"): Merge.
656         ("clrmemdi", "clrmemsi"): Merge.
658 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
660         * config/s390/s390.md: ("HQI"): New mode macro.
661         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
662         ("*tmhi_full", "*tmqi_full"): Merge.
663         ("*tsthiCCT", "*tstqiCCT"): Merge.
664         ("*tsthi", "*tstqi"): Merge.
665         ("*tsthi_cconly", "tstqi_cconly"): Merge.
666         ("*sethighhisi", "*sethighqisi"): Merge.
667          
668 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
670         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
671         config/alpha/unicosmk.h, config/arc/arc.md,
672         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
673         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
674         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
675         config/arm/semi.h, config/arm/uclinux-elf.h,
676         config/arm/wince-pe.h, config/fr30/fr30.c,
677         config/rs6000/altivec.h: Update copyright.
679 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
681         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
682         gcc_assert and gcc_unreachable as appropriate.
683         (pdp11_output_function_epilogue, output_move_double,
684         output_move_quad, print_operand_address, output_jump,
685         output_addr_const_pdp11): Likewise.
686         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
687         ASM_OUTPUT_ALIGN): Likewise.
688         * config/pdp11/pdp11.md: Likewise.
689         (extendhisi2, subhi3, subqi3): Likewise.
691 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
693         PR middle-end/21237
694         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
695         to NE_EXPR case.
697 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
699         * config/ia64/ia64.c: Fix a comment typo.
701 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
703         PR target/21397
704         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
705         (arm_override_options): Use them instead of manifest constants.  Don't
706         allow -march to override the -mtune setting.
708 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
710         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
711         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
712         (function_arg_advance, function_arg, save_restore_insns,
713         iq2000_expand_prologue, iq2000_output_conditional_branch,
714         expand_one_builtin, print_operand):
715         * config/iq2000/iq2000.md (tablejump): Likewise.
717 2005-05-09  David Ung  <davidu@mips.com>
719         * config/mips/mips.h (processor_type): Add names for the 24K. 
720         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
721         processor family.
722         * config/mips/mips.md (cnv_mode): New attribute for recording the
723         conversion types of float convert insns.
724         (cpu): Add 24k and 24kx.
725         (include): Include 24k.md file.
726         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
727         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
728         (floatdisf2): Setup cnv_mode.
729         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
730         setup cnv_mode.
731         * config/mips/24k.md: New file, contains 24k DFA pipeline
732         description. 
734 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
736         * config/sh/sh.c (print_operand_address): Use gcc_assert and
737         gcc_unreachable as appropriate.
738         (print_operand, prepare_move_operands, prepare_scc_operands,
739         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
740         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
741         fixup_mova, gen_far_branch, sh_reorg, split_branches,
742         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
743         sh_set_return_address, sh_setup_incoming_varargs,
744         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
745         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
746         check_use_sfunc_addr): Likewise.
747         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
748         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
749         * config/sh/symbian.c (sh_symbian_mark_dllexport,
750         sh_symbian_mark_dllimport): Likewise.
751         * config/sh/sh.md: Likewise.
752         (movdicc, call_pop, call_value_pop, casesi_worker_1,
753         casesi_worker_2, casesi_shift_media, casesi_load_media,
754         return_media): Likewise.
756 2005-05-08  Roger Sayle  <roger@eyesopen.com>
758         PR inline-asm/8788
759         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
760         operands.
762 2005-05-08  Richard Henderson  <rth@redhat.com>
764         * config/alpha/alpha.c (adjust_address): Fix typo last change.
766 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
768         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
769         and -1 can happen in reg_renumber when no hard register is assigned.
771 2005-05-08  Steven Bosscher  <stevenb@suse.de>
772             Kazu Hirata  <kazu@cs.umass.edu>
774         PR tree-optimization/14841, tree-optimization/15838
775         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
776         (evaluate_stmt): Call it.
778 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
780         * config/ia64/ia64.c (ia64_override_options): Don't set
781         ia64_flag_var_tracking and clear flag_var_tracking here...
782         (ia64_file_start): ... but here.
784 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
786         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
787         and gcc_unreachable as appropriate.
788         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
789         m68hc11_gen_highpart, print_operand, print_operand_address,
790         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
791         m68hc11_gen_movhi): Likewise.
792         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
793         * config/m68hc11/m68hc11.md: Reword comment.
795 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
797         PR target/21281
798         * config/m68hc11/predicates.md (splitable_operand): An immediate is
799         allowed.
801 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
803         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
804         the 68HC12 address indirect addressing mode as it is not supported by
805         bset and bclr.
806         * config/m68hc11/m68hc11-protos.h
807         (m68hc11_valid_addressing_p): Declare.
808         (m68hc11_add_mode): Declare.
809         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
810         register_indirect_p and export it.
811         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
812         instruction so that it is part of the good BB.
813         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
814         addressing with movw.
815         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
816         68HC12.
817         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
818         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
819         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
820         for 68HC11.
821         ("*movhi_68hc12"): Handle movhi_const0.
822         ("*subhi3", "subqi3"): Use general_operand for operand 1.
823         ("*subhi3_zext"): Likewise.
825 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
827         PR target/19051
828         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
829         operand 1 and fix constraints.
830         ("mulqihi3"): Use general_operand for operand 2.
832 2005-05-08  Julian Brown  <julian@codesourcery.com>
833             H.J. Lu  <hongjiu.lu@intel.com>
834             Paul Brook  <paul@codesourcery.com>
836         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
837         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
838         20050308/2.16.0 or newer for comdat group.
839         * configure: Regenerated.
840         * config.in: Regenerated.
841         * varasm.c (default_function_rodata_section): Put .rodata section in
842         COMDAT group when necessary.
843         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
844         HAVE_COMDAT_GROUP.
845         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
846         available.
848 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
850         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
851         instead of VARRAY.
852         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
853         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
854         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
855         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
857 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
859         PR target/16925
860         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
861         64-bit constants on 64-bit hosts.
862         (m68hc11_split_logical): Simplify.
863         (m68hc11_split_move): Likewise.
865 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
866             Paolo Bonzini  <bonzini@gnu.org>
868         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
869         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
870         * configure.ac (enable_checking): Fix typos in runtime_checking.
871         (ENABLE_RUNTIME_CHECKING): Mark as target template.
872         (xm_file): Prepend auto-host.h
873         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
874         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
875         tconfig.h.
876         * crtstuff.c: Do not include auto-host.h.
877         (IN_LIBGCC2): Do not define.
878         * gcov-io.h: Include tconfig.h, not auto-host.h.
879         * libgcc2.c: Do not include auto-host.h.
880         (abort): Do not undefine.
881         * libgcov.c: Remove unneeded comment about config.h.
882         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
883         * config.in, configure: Regenerated.
884         
885 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
886             Falk Hueffner  <falk@debian.org>
888         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
889         and gcc_unreachable as appropriate.
890         (get_aligned_mem, get_unaligned_address,
891         alpha_emit_set_long_const, alpha_emit_conditional_branch,
892         alpha_emit_setcc, alpha_emit_conditional_move,
893         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
894         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
895         alpha_expand_unaligned_load, alpha_expand_block_move,
896         alpha_expand_zap_mask, get_trap_mode_suffix,
897         get_round_mode_suffix, get_some_local_dynamic_name,
898         print_operand_address, function_arg, alpha_return_in_memory,
899         function_value, alpha_expand_builtin,
900         alpha_initial_elimination_offset, alpha_expand_epilogue,
901         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
902         alphaev5_next_group, alpha_align_insns,
903         unicosmk_initial_elimination_offset, unicosmk_unique_section,
904         unicosmk_ssib_name): Likewise.
905         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
906         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
907         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
908         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
909         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
910         * config/alpha/alpha.md (*divmodsi_internal_er,
911         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
912         call_nt, call_umk, call_vms, call_value, sibcall_value,
913         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
914         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
915         * config/alpha/predicates.md (input_operand): Likewise.
917 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
919         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
920         gcc_unreachable, as appropriate.
921         (frv_function_prologue, frv_alloc_temp_reg,
922         frv_initial_elimination_offset, frv_expand_block_move,
923         frv_expand_block_clear, frv_print_operand_jump_hint,
924         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
925         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
926         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
927         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
928         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
929         frv_in_small_data_p, frv_asm_out_constructor,
930         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
931         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
932         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
933         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
934         sibcall_value, casesi): Likewise.
936         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
937         gcc_unreachable as appropriate.
938         (print_operand_address, mn10300_print_reg_list, expand_prologue,
939         expand_epilogue, notice_update_cc, initial_offset,
940         mn10300_address_cost_1): Likewise.
941         * config/mn10300/mn10300.md: Likewise.
942         (absdf2, abssf2, negdf2, negsf2): Likewise.
944 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
946         PR target/21416
947         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
948         comparisons.
949         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
950         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
951         including sunge_<mode> and sungt_<mode>.
953 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
955         * integrate.h (get_hard_reg_initial_val): Change type of register
956         parameter from int to unsigned int.
957         (has_hard_reg_initial_val): Likewise.
958         * integrate.c (get_hard_reg_initial_val): Likewise.
959         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
961 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
963         * except.c (eh_status): Change the type of ttype_data to
964         VEC(tree,gc)*.
965         (add_ttypes_entry, assign_filter_values,
966         output_function_exception_table): Use VEC instead of VARRAY.
968 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
970         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
972 2005-05-07  Paul Brook  <paul@codesourcery.com>
974         * Makefile.in: Fix dependencies.
975         (GCOV_IO_H, VARRAY_H): Set.
977 2005-05-07  Anthony Green  <green@redhat.com>
979         PR bootstrap/21403
980         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
981         x$STMP_FIXPROTO test.
982         * configure: Rebuilt.
984 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
986         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
987         inappropriate feature test macros if flag_iso.
989 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
991         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
993 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
995         PR target/21441
996         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
997         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
998         Handle moved operand being in special register.
999         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
1000         presumed working insn.
1001         (mover2side): Add FIXME.
1003 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
1005         * integrate.c (get_func_hard_reg_initial_val): Delete.
1006         (has_func_hard_reg_initial_val): Delete.
1007         (get_hard_reg_initial_val): Inline the old implementation of
1008         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
1009         instead of has_func_hard_reg_initial_val to test for an existing
1010         pseudo.  Only create an rtx if a new initial value entry is needed.
1011         (has_hard_reg_initial_val): Scan the initial value list directly.
1012         Don't create an rtx.
1014 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
1016         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
1017         from extra_options.
1018         * config.in (HAVE_AS_POPCNTB): New.
1019         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
1020         (HAVE_AS_POPCNTB): New.
1021         * configure: Regenerated.
1022         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
1023         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
1024         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
1025         and rs6000_sched_costly_dep.
1026         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
1027         (TARGET_XL_COMPAT): Delete.
1028         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
1029         (popcount<mode>2): New.
1030         (popcntb<mode>2): New.
1031         * config/rs6000/rs6000.opt (mpopcntb): New.
1033         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
1034         if variable name exists.
1036 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
1038         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
1040 2005-05-07  Richard Henderson  <rth@redhat.com>
1042         PR target/21412
1043         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
1044         with constant offsets.
1046 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
1048         * config/v850/v850.c (print_operand): Use gcc_assert and
1049         gcc_unreachable, as appropriate.
1050         (print_operand_address, v850_handle_data_area_attribute,
1051         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
1052         v850_insert_attributes, construct_prepare_instruction): Likewise.
1053         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
1054         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
1056 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
1058         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
1059         config/rs6000/rs6000.h: Fix comment typos.
1061 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
1063         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
1064         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
1065         (mips_scalar_mode_supported_p): Delete.
1067 2005-05-06  Eric Christopher  <echristo@redhat.com>
1069         * config/mips/mips.opt: Remove -mint64 option.
1070         * config/mips/mips.c (override_options): Remove -mint64
1071         handling.
1072         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
1073         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
1074         64-bit integer handling.
1075         * doc/invoke.texi (Option Summary): Remove -mint64 for
1076         mips.
1078 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
1080         PR tree-optimization/19401
1081         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
1082         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
1083         (estimated_unrolled_size): New function.
1084         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
1085         tree_unroll_loops_completely): Always unroll loops if the code size
1086         does not increase.
1087         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
1088         loops should be unrolled completely.
1089         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
1091 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
1093         PR rtl-optimization/21254
1094         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
1095         assumptions for loops that otherwise do not roll.
1096         (find_simple_exit): Prefer # of iterations that is guaranteed
1097         not to be infinite.
1098         * loop-unroll.c (decide_peel_once_rolling,
1099         decide_peel_completely): Check whether the loop is infinite.
1101 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
1103         * config/rs6000/sysv4.opt: Fix typo.
1105 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
1106             Jakub Jelinek  <jakub@redhat.com>
1108         PR target/21329
1109         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
1110         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
1111         Don't use rep; movs{l,q} if the repetition count is really small,
1112         instead use a sequence of movs{l,q} instructions.
1114 2005-05-06  Jeff Law  <law@redhat.com>
1116         PR tree-optimization/21380
1117         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
1118         thread through a block with no preds.
1120 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
1122         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
1123         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
1124         add_call_read_ops): Use VEC instead of VARRAY.
1126 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
1128         * config/mcore/mcore.c (mcore_print_operand_address): Use
1129         gcc_assert and gcc_unreachable as appropriate.
1130         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
1131         mcore_output_andn, output_inline_const, mcore_output_move,
1132         mcore_output_movedouble, mcore_expand_block_move,
1133         layout_mcore_frame, mcore_initial_elimination_offset,
1134         mcore_expand_prolog, mcore_mark_dllexport,
1135         mcore_mark_dllimport): Likewise.
1136         * config/mcore/mcore.h (switch_to_section): Likewise.
1137         * config/mcore/mcore.md: Likewise.
1139 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
1141         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
1142         TARGET_PROFILE_KERNEL.
1144         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
1145         TARGET_PROFILE_KERNEL use.
1147 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
1149         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
1150         and gcc_unreachable, as appropriate.
1151         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
1152         m32r_expand_prologue, m32r_output_function_epilogue,
1153         m32r_legitimize_pic_address, m32r_print_operand_address,
1154         emit_cond_move, m32r_function_symbol,
1155         m32r_output_block_move): Likewise.
1156         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
1157         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
1158         *rev_zero_branch_insn): Likewise.
1159         
1160 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
1162         PR c++/20961
1163         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
1164         if both NEWDECL and OLDDECL are already weak.
1166 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
1168         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
1170 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
1171             Kaz Kojima  <kkojima@gcc.gnu.org>
1173         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
1174         and plus_constant.
1176 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
1177             David Edelsohn  <edelsohn@gnu.org>
1179         * config.gcc: Add .opt magic for the rs6000 ports.
1181         * doc/invoke.texi: Document -mabi= option properly.  Document
1182         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
1183         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
1184         -misel=.
1186         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
1187         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
1188         TARGET_XL_COMPAT.
1190         * config/rs6000/aix.opt: New.
1191         * config/rs6000/aix41.opt: New.
1192         * config/rs6000/aix64.opt: New.
1193         * config/rs6000/darwin.opt: New.
1194         * config/rs6000/linux64.opt: New.
1195         * config/rs6000/rs6000.opt: New.
1196         * config/rs6000/sysv4.opt: New.
1198         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
1199         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
1200         SUBTARGET_SWITCHES.
1201         Define TARGET_USES_SYSV4_OPT.
1202         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
1203         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
1204         TARGET_USES_AIX64_OPT.
1205         * config/rs6000/aix51.h: Same.
1206         * config/rs6000/aix52.h: Same.
1207         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
1208         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
1209         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
1210         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
1211         * config/rs6000/linux64.h: Use
1212         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
1214         * config/rs6000/rs6000.c: Remove definitions of
1215         rs6000_sched_restricted_insns_priority,
1216         rs6000_long_double_size_string, rs6000_altivec_vrsave,
1217         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
1218         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
1219         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
1220         rs6000_alignment_string.  Define rs6000_explicit_options.
1221         (rs6000_parse_abi_options): Remove.
1222         (rs6000_parse_alignment_option): Remove.
1223         (rs6000_parse_float_gprs_option): Remove.
1224         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
1225         TARGET_DEFAULT_TARGET_FLAGS.
1226         (rs6000_override_options): Revamp to use new .opt machinery.
1228         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
1229         of new .opt machinery.  Remove target_flags.  Redefine
1230         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
1231         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
1232         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
1233         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
1234         rs6000_longcall_switch, rs6000_default_long_calls,
1235         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
1236         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
1237         TARGET_ALTIVEC_VRSAVE.
1239 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
1241         * config.gcc (hppa1.1-*-rtems*): Remove.
1242         * config/pa/rtems.h: Remove.
1244 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
1246         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
1247         Exclude roe/603e multilib variants.
1249 2005-05-04  Denis Chertykov  <denisc@overta.ru>
1251         PR target/21284
1252         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
1253         for output.
1255 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
1257         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
1258         arm/pe.opt to $extra_options.
1259         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
1260         (target_float_abi_name, target_float_switch, target_abi_name)
1261         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
1262         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
1263         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
1264         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
1265         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
1266         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
1267         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
1268         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
1269         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
1270         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
1271         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
1272         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
1273         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
1274         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
1275         (arm_pic_register_string): Delete.
1276         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
1277         TARGET_TPCS_FRAME.
1278         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
1279         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
1280         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
1281         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
1282         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
1283         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
1284         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
1285         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
1286         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
1287         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
1288         (SUBTARGET_SWITCHES): Delete.
1289         * config/arm/arm.c (target_float_switch): Delete.
1290         (arm_cpu_select): Moved from config/arm/arm.h.
1291         (target_fpu_name, target_fpe_name, target_float_abi_name)
1292         (target_abi_name, structure_size_string, arm_pic_register_string)
1293         (arm_select): Make static.
1294         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1295         (arm_handle_option): New function.
1296         (arm_override_options): Update target_flags checks for new mask names.
1297         Remove target_float_switch code.
1298         (arm_expand_prologue, thumb_expand_prologue): Check
1299         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
1300         * config/arm/arm.opt, config/arm/pe.opt: New files.
1302 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
1304         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
1305         gcc_unreachable as appropriate.
1306         (arc_double_limm_p, arc_setup_incoming_varargs,
1307         arc_compute_function_type, arc_output_function_prologue,
1308         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
1309         output_shift, arc_print_operand, arc_print_operand_address,
1310         arc_final_prescan_insn): Likewise.
1311         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
1313 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
1315         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
1316         comparing Pmode.
1317         (SDI): New.
1318         (cmp): Delete.
1319         (wd): New.
1320         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
1321         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
1322         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
1323         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
1324         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
1325         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
1326         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
1327         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
1329 2005-05-05  Paul Brook  <paul@codesourcery.com>
1331         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
1332         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
1333         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
1334         and tree-data-ref.h with *_H variables.
1336 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
1338         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
1340 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
1342         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
1344 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
1346         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
1348 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
1350         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
1351         setting of vrsave register for current function after
1352         call to save_world is emitted.
1354 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
1356         * config/mmix/predicates.md: New file.
1357         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
1358         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
1359         (mmix_foldable_comparison_operator, mmix_comparison_operator)
1360         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
1361         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
1362         Don't define.
1363         * config/mmix/mmix.md: Include predicates.md.
1364         ("call", "call_value"): Force address to register if it isn't a
1365         mmix_symbolic_or_address_operand.
1367 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
1369         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
1370         the flags are of appropriate types.
1371         (num_ssa_operands): Generalize using the generic interface.
1372         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
1373         iterator.
1375 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
1377         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
1378         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
1380 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
1382         * tree-outof-ssa.c (edge_leader, stmt_list,
1383         analyze_edges_for_bb): Use VEC instead of VARRAY.
1384         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
1385         (perform_edge_inserts): Call init_analayze_edges_for_bb and
1386         fini_analayze_edges_for_bb.
1388 2005-05-04  James E Wilson  <wilson@specifixinc.com>
1390         PR driver/21112
1391         * gcc.c (process_command): In the second argv scan loop, ignore
1392         Xassembler and Xpreprocessor, along with their argument.
1394 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
1396         * tree-flow-inline.h, tree-ssa-operands.c,
1397         tree-ssa-operands.h, tree-ssa-opfinalize.h:
1398         Likewise. tree-vn.c: Fix comment typos.
1399         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
1401 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
1403         * doc/tm.texi (Target Hooks): Document
1404         TARGET_RESOLVE_OVERLOADED_BUILTIN.
1406 2005-05-04  Paul Brook  <paul@codesourcery.com>
1408         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
1410 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
1412         * dwarf2out.c (incomplete_types, retry_incomplete_types,
1413         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
1414         of VARRAY.
1416         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
1417         get_expansion, expand_var_during_unrolling,
1418         insert_var_expansion_initialization,
1419         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
1420         instead of VARRAY.
1422         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
1423         update_stmt.
1425 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
1427         PR middle-end/15618
1428         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
1429         the same as INTEGER_TYPE.
1430         (fold_binary): Fold "bool_var != 0" to bool_var.
1431         Fold "bool_var == 1" to bool_var.
1433 2004-05-03  Richard Henderson  <rth@redhat.com>
1435         PR middle-end/21318
1436         * function.c (instantiate_virtual_regs_in_insn): Use the mode
1437         from recog_data instead of insn_data.
1439 2005-05-03  DJ Delorie  <dj@redhat.com>
1441         * common.opt (fdiagnostics-show-option): No variable is needed.
1442         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
1443         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
1444         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
1445         Save and restore original message format.  Use flag in context
1446         instead of global.
1447         (warning): Don't test for enabled warnings here.
1448         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
1449         here.
1451 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
1453         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
1454         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
1455         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
1456         * aclocal.m4: Don't include accross.m4.
1457         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
1458         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
1459         * configure, config.in: Regenerate.
1460         
1461 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
1463         PR middle-end/21265
1464         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
1465         (clear_storage): Add argument.
1466         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
1467         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
1468         tailcall.
1469         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
1470         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
1471         (store_expr, store_constructor): Adjust callers.
1472         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
1473         to emit_block_move if CALL_EXPR_TAILCALL (exp).
1474         (expand_builtin_memmove): Add ORIG_EXP argument, copy
1475         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
1476         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
1477         with EXP.  Pass EXP to expand_builtin_memmove.
1478         (expand_builtin_memset): Add ORIG_EXP argument, pass
1479         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
1480         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
1481         Pass EXP to expand_builtin_memset.
1482         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
1483         the new CALL_EXPR.
1484         (expand_builtin_strncmp): Likewise.
1485         (expand_builtin_printf): Replace ARGLIST argument with EXP.
1486         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
1487         (expand_builtin_fprintf): Likewise.
1488         (expand_builtin): Adjust calls to
1489         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
1491         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
1492         item in V4SF mode.
1494         PR rtl-optimization/21239
1495         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
1497 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
1499         * tree-flow.h (tree_ann_common_d): Move aux to ...
1500         (stmt_ann_d): ... here.
1501         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
1502         move_computations_stmt, schedule_sm): Update references to
1503         aux.
1504         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
1506         * tree-cfg.c (remove_bb): Remove a redundant call to
1507         set_bb_for_stmt.
1508         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
1509         Likewise.
1511 2005-05-03  Richard Henderson  <rth@redhat.com>
1513         * config/rs6000/rs6000.c: Remove conflict markers.
1515         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
1517 2005-05-03  James E Wilson  <wilson@specifixinc.com>
1519         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
1521 2005-05-03  DJ Delorie  <dj@redhat.com>
1523         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
1524         decide if the warning will be printed.
1525         * calls.c (expand_call): Likewise.
1526         * function.c (init-function_start): Likewise.
1528         * common.opt (-fdiagnostics-show-option): New.
1529         * opts.c (option_enabled): Accept the option index instead of a
1530         pointer to the option descriptor.
1531         * opts.h (option_enabled): Likewise.
1532         * toplev.c (print_switch_values): Pass option index, not option
1533         descriptor.
1534         * diagnostic.h (diagnostic_info): Add option_index.
1535         * diagnostic.c: Include opts.h.
1536         (diagnostic_set_info): Initialize option_index.
1537         (diagnostic_report_diagnostic): Amend option name if appropriate.
1538         (warning): Check to see if the specified warning is enabled.
1539         Store option index.
1540         * doc/invoke.texi (-fdiagnostics-show-options): Document.
1542 2005-05-03  Richard Henderson  <rth@redhat.com>
1544         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
1545         SPEC_OR_GEN_REGS definitions.
1547 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
1549         PR target/16888
1550         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
1551         for unavailable registers.
1553 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
1555         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
1557         * cfglayout.c (block_locators_blocks,
1558         insn_locators_initialize, insn_scope): Use VEC instead of
1559         VARRAY.
1561         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
1562         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
1563         VARRAY.
1565 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
1567         * config/sparc/predicates.md (const_compl_high_operand): New.
1568         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
1569         gen_safe_HIGH64.
1570         (sparc_emit_set_const64_quick1): Adjust for above change.
1571         (sparc_emit_set_const64_quick2): Likewise.
1572         (sparc_emit_set_const64_longway): Likewise.
1573         (sparc_emit_set_const64): Likewise.
1574         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
1575         movdi_const64_special): Delete.
1576         (logical constant splitters): Use const_compl_high_operand.
1578 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
1580         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
1581         rather than STRIP_NOPS.
1583 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
1585         PR rtl-optimization/21330
1586         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
1587         returning non-NULL.
1588         (unswitch_single_loop): Clear cinsn when retrying.
1590         PR target/21297
1591         * config/i386/i386.c (legitimize_address): When canonicalizing
1592         ASHIFT into MULT, multiply by 1 << shift_count instead of
1593         1 << log2 (shift_count).
1595 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
1597         * lambda-code.c (gcc_loop_to_lambda_loop, 
1598         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
1599         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
1600         generic operand interface.
1601         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
1602         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
1603         generic operand interface.
1604         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list, 
1605         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
1606         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
1607         num_imm_uses): Use ssa_use_operand_t.
1608         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
1609         get_v_must_def_ops): Delete.
1610         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
1611         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
1612         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
1613         get_v_must_def_kill_ptr): Delete.
1614         (delink_stmt_imm_use): Move and use new operand interface.
1615         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
1616         op_iter_next_tree): Use new operand implementation.
1617         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
1618         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator 
1619         type check.
1620         (op_iter_next_mustdef, op_iter_next_maydef, 
1621         op_iter_next_must_and_may_def): Delete. Replace with...
1622         (op_iter_next_maymustdef): New.  Combine must and may next operations.
1623         (op_iter_init_maydef, op_iter_init_mustdef, 
1624         op_iter_init_must_and_may_def): Use new interface.
1625         (single_ssa_tree_operand ): New.  Process single operands only as trees.
1626         (single_ssa_use_operand): New.  Process single operands only as uses.
1627         (single_ssa_def_operand): New.  Process single operands only as defs.
1628         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
1629         specified types.
1630         (num_ssa_operands): New.  Count the number of specified operands.
1631         (compare_ssa_operands_equal): New.  Compare two statements' operands.
1632         (single_phi_def): New.  Return true if PHI has one def of the specified
1633         operand type.
1634         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
1635         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
1636         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
1637         (struct stmt_ann_d): Operands field no longer require GTY().
1638         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
1639         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
1640         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb, 
1641         dump_replaceable_exprs, rewrite_trees): Use generic interface.
1642         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node): 
1643         Use use_operand_p instead of ssa_imm_use_t *.
1644         * tree-pretty-print.c (dump_vops): check if operands are active before
1645         dumping virtual operands.
1646         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
1647         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
1648         (ccp_fold): Use new interface.
1649         (ccp_visit_stmt): Remove unused variables and code.
1650         (convert_to_gimple_builtin): Insert statements before calling 
1651         mark_new_vars_to_rename.
1652         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
1653         (copy_prop_visit_cond_stmt): Use generic interface.
1654         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the 
1655         annotation in table.
1656         (thread_across_edge): Use generic interface.
1657         (initialize_hash_element): Initialzie with stmt, not annotation.
1658         (eliminate_redundant_computations): Use generic interface.
1659         (record_equivalences_from_stmt): Pass stmt, not annotation.
1660         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
1661         interface.
1662         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
1663         * tree-ssa-loop-ivopts.c (find_invariants_stmt, 
1664         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use 
1665         generic operand interface.
1666         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
1667         interface.
1668         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
1669         Interface.
1670         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
1671         (build_defs, build_uses, build_v_may_defs, build_vuses, 
1672         build_v_must_defs): Change type to struct opbuild_list_d.
1673         (ops_active): New.  Operands active boolean.
1674         (operand_memory, operand_memory_index): New.  Operand memory managers.
1675         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
1676         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
1677         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs): 
1678         Change from functions to static variable list heads.
1679         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
1680         (opbuild_initialize_real): New.  Initialize a virtual build list.
1681         (opbuild_free): New.  Free a build list.
1682         (opbuild_num_elems): New.  Number of items in a list.
1683         (opbuild_append_real): New.  Add a real (tree *) operand.
1684         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
1685         (opbuild_first): New.  Return first element index in a list.
1686         (opbuild_next): New.  Return next element in a list.
1687         (opbuild_elem_real): New.  Return real element.
1688         (opbuild_elem_virtual): New.  Return virtual element.
1689         (opbuild_elem_uid): New.  Return UID of virtual element.
1690         (opbuild_clear): New.  Reset an operand list.
1691         (opbuild_remove_elem): New.  Remove an element form a list.
1692         (ssa_operands_active): New.  Return true if operand cache is active.
1693         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
1694         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
1695         (correct_use_link): Use use_operand_p.
1696         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
1697         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation. 
1698         (cleanup_v_may_defs): Use new implmentation.
1699         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New 
1700         implementation.
1701         (append_def, append_use, append_v_may_def, append_vuse, 
1702         append_v_must_def): Call opbuild_append routine instead of using varray.
1703         (build_ssa_operands): Simplify to simply use stmt, don't maintain a 
1704         global parse_old_ops variable.
1705         (free_ssa_operands): New implementation.
1706         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
1707         (copy_virtual_operands): Move. New generic implementation.
1708         (create_ssa_artficial_load_stmt): Move. New implementation.
1709         (swap_tree_operands): Update for new implementation.
1710         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
1711         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
1712         rather than a varray.
1713         (verify_imm_links): Use use_operand_p.
1714         (dump_immediate_uses_for): If the immediate use variable is a virtual 
1715         variable, show the virtual ops in the stmt.
1716         * tree-ssa-operands.h (def_operand_p): No longer a structure.
1717         (NULL_DEF_OPERAND_P): Now a #define.
1718         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
1719         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
1720         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
1721         mustdef_optype_d): New.  Use Linked list representation.
1722         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
1723         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
1724         (struct stmt_operands_d): Change to new pointers that are not GTY.
1725         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
1726         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
1727         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
1728         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT, 
1729         SET_V_MUST_DEF_KILL): Delete.
1730         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT, 
1731         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
1732         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT, 
1733         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
1734         (enum ssa_op_iter_type): Operand iterator typechecking values.
1735         (struct ssa_operand_iterator_d): Use linked lists of operands.
1736         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
1737         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
1738         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
1739         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
1740         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
1741         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
1742         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND, 
1743         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
1744         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
1745         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
1746         alloc_vuse, and alloc_mustdef.
1747         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops, 
1748         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1749         and finalize_ssa_v_must_def_ops.
1750         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
1751         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
1752         stmt around.
1753         (compute_avail): Use generic iterator interface.
1754         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
1755         (stmt_makes_single_load, stmt_makes_single_store): Use 
1756         ZERO_SSA_OPERANDS.
1757         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
1758         (statement_sink_location): Use generic interface.
1759         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
1760         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
1761         reset the immediate use link nodes.
1762         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
1763         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
1764         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
1765         (eliminate_tail_call): Use generic operand interface.
1766         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
1767         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic 
1768         interface.
1769         * tree-vect-transform.c (update_vuses_to_preheader): Use generic 
1770         interface.
1771         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
1772         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
1773         vuse_optype.
1774         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add): 
1775         Use statement pointer instead of vuse_optype.  Use generic interface.
1776         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
1777         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
1778         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
1779         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
1780         * doc/tree-ssa.texi: Update documentation for operand interface.
1782 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
1784         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
1785         gcc_unreachable as appropriate.
1786         (machopic_function_base_name, machopic_indirect_data_reference,
1787         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
1788         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
1789         * config/rs6000/altivec.md (*mov<mode>_internal,
1790         build_vector_mask_for_load): Likewise.
1791         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
1792         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
1793         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
1794         * config/rs6000/predicates.md (easy_fp_constant,
1795         logical_operand): Likewise.
1796         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
1797         compute_save_world_info, rs6000_emit_prologue,
1798         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
1799         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
1800         directly.
1802 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
1804         PR middle-end/21282
1805         * convert.c (convert_to_integer): Convert ceil and floor in
1806         c99 mode only.
1808 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
1810         PR target/20813
1811         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
1812         define_insn_and_split.  Split only when memory operand is
1813         offsettable.  Use adjust_address rather than plus_constant.
1814         (floatunssidf2_internal): Likewise.
1815         (fix_truncdfsi2_internal): Split only when memory operand is
1816         offsettable.  Use adjust_address rather than plus_constant.
1817         (fix_trunctfsi2_internal): Likewise.
1818         (floatsidf2_internal): Likewise.
1820 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
1822         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
1823         (set_value_range_to_null): Likewise.
1824         (set_value_range_to_varying): New function.  Use it in all
1825         call sites that used to call set_value_range (vr, VR_VARYING, ...).
1826         (extract_range_from_assert): If the integral type has a
1827         super-type, and LIMIT is not within MIN and MAX values of that
1828         type, set the resulting range to VR_VARYING.
1830 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
1832         * config/mmix/mmix.opt: New file.
1833         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
1834         (mmix_cc1_ignored_option): Don't declare.
1835         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
1836         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
1837         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
1838         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
1839         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
1840         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
1841         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
1842         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
1843         Don't define.
1844         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
1845         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
1846         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1848 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
1850         PR c/15698
1851         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
1852         * c-decl.c (current_function_prototype_built_in,
1853         current_function_prototype_arg_types): New.
1854         (merge_decls): Keep source location of prototype followed by
1855         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
1856         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
1857         (start_function): Always set current_function_prototype_locus,
1858         current_function_prototype_built_in and
1859         current_function_prototype_arg_types.  Check for external
1860         prototype whether or not visible for external function and set
1861         current_function_prototype_arg_types accordingly.
1862         (store_parm_decls_oldstyle): Use
1863         current_function_prototype_arg_types for checking old-style
1864         definition against prototype.  Give warnings only if
1865         current_function_prototype_built_in).
1867 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
1869         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
1870         (ggc_alloc_zone_stat): Don't define.
1871         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
1872         ggc_alloc_zone_pass_stat.
1873         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
1874         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
1875         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
1877 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
1879         * calls.c (expand_call): Handle current_function_pretend_args_size
1880         when checking for sibcalls.
1882 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1884         PR tree-optimization/21294
1885         * tree-vrp.c (vrp_expr_computes_nonzero): New.
1886         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
1888 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
1890         PR 19985
1891         * gcov-io.h: Declare gcov external functions hidden.
1893 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1895         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
1896         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
1897         Use VEC instead of VARRAY.
1898         (equiv_free): New.
1900         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
1901         out common code.
1903 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
1905         * c-common.c (resolve_overloaded_builtin): Forward to target
1906         hook for BUILT_IN_MD built-ins.
1907         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
1908         for all types of built-in.
1909         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
1910         in the definition of the target hooks struct.
1911         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
1912         * config/rs6000/altivec.h: Rewritten.
1913         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
1914         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
1915         rs6000_builtin_type, rs6000_builtin_type_compatible,
1916         altivec_overloaded_builtins, rs6000_builtin_type,
1917         rs6000_builtin_type_compatible): New.
1918         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
1919         New.
1920         (def_builtin): Turn into a function.  Check for duplicates and store
1921         the builtin into rs6000_builtin_decls.
1922         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
1923         bdesc_1arg): Add overloaded builtins.
1924         (altivec_expand_builtin): Check for unresolved overloaded builtins,
1925         do not support ALTIVEC_COMPILETIME_ERROR.
1926         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
1927         nodes to represent front-end types.
1928         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
1929         with opaque arguments and/or return values.
1930         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
1931         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
1932         (rs6000_builtin_type_index): New.
1933         (is_ev64_opaque_type): Rename to...
1934         (rs6000_is_opaque_type): ... this.
1935         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
1936         target hook.
1938 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1940         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
1941         instead of VARRAY.
1943 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
1944             Bernd Schmidt  <bernd.schmidt@analog.com>
1946         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
1947         print_address_operand, print_operand, legitimize_pic_address,
1948         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
1949         output_pop_multiple): Use gcc_assert or gcc_unreachable as
1950         appropriate.
1951         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
1953 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
1955         * doc/passes.texi: Document vectorization pass.
1957 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1959         * tree-scalar-evolution.c (get_exit_conditions_rec,
1960         select_loops_exit_conditions,
1961         number_of_iterations_for_all_loops,
1962         analyze_scalar_evolution_for_all_loop_phi_nodes,
1963         scev_analysis): Use VEC instead of VARRAY.
1965 2005-05-02  Michael Matz  <matz@suse.de>
1967         PR c++/19542
1968         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
1969         (warn_strict_null_sentinel): Define.
1970         (check_function_sentinel): Check for null_node as valid sentinel too.
1971         * c-common.h (c_tree_index): Added CTI_NULL.
1972         (null_node) Define global_tree[CTI_NULL].
1973         (warn_strict_null_sentinel): Declare.
1974         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
1975         * c.opt: (Wstrict-null-sentinel): New C++ option.
1976         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
1978 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
1980         * gimplify.c (gimplify_compound_lval): Use VEC instead of
1981         VARRAY.
1983         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
1985         * dwarf2out.c (decl_scope_table, push_decl_scope,
1986         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
1987         instead of VARRAY.
1989 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
1991         PR C++/14391
1992         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
1993         if !flag_weak.
1994         * doc/cpp.texi (__DEPRECATED): Document.
1995         (__EXCEPTIONS): Likewise.
1996         (__GXX_WEAK__): Likewise.
1998         * function.c (INVOKE__main): Do not define.
1999         (expand_main_function): Check HAS_INIT_SECTION when determining
2000         whether or not to call __main.
2002 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
2004         * tree-ssa-loop-ivopts.c: Fix a comment typo.
2006 2005-01-05  Paul Brook  <paul@codesourcery.com>
2008         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
2009         (INITIALIZE_TRAMPOLINE): Use it.
2010         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
2011         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
2012         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
2014 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
2016         * doc/install.texi (Specific): Omit dots in the @anchors names
2017         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
2018         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
2020 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
2022         PR tree-optimization/18316
2023         PR tree-optimization/19126
2024         * tree.c (build_int_cst_type): Avoid shift by size of type.
2025         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
2026         argument.
2027         * tree-scalar-evolution.h (simple_iv): Declaration changed.
2028         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
2029         field.
2030         (dump_cand): Dump depends_on information.
2031         (determine_biv_step): Add argument to simple_iv call.
2032         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
2033         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
2034         constant.
2035         (add_candidate_1): Record depends_on for candidates.
2036         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
2037         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
2038         Handle ivs with nonconstant step.
2039         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
2040         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
2041         (create_new_iv): Unshare the step before passing it to create_iv.
2042         (free_loop_data): Free cand->depends_on.
2043         (build_addr_strip_iref): New function.
2044         (find_interesting_uses_address): Use build_addr_strip_iref.
2045         (strip_offset_1): Split the recursive part from strip_offset.
2046         Strip constant offset component_refs and array_refs.
2047         (strip_offset): Split the recursive part to strip_offset_1.
2048         (add_address_candidates): Removed.
2049         (add_derived_ivs_candidates): Do not use add_address_candidates.
2050         (add_iv_value_candidates): Add candidates with stripped constant
2051         offset.  Consider all candidates with initial value 0 important.
2052         (struct affine_tree_combination): New.
2053         (aff_combination_const, aff_combination_elt, aff_combination_scale,
2054         aff_combination_add_elt, aff_combination_add,
2055         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
2056         fold_affine_sum): New functions.
2057         (get_computation_at): Use fold_affine_sum.
2058         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
2059         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
2060         to simple_iv call.
2062 2005-04-30  Michael Matz  <matz@suse.de>
2064         * config/i386/i386.md (movmemsi): Also active when
2065         TARGET_INLINE_ALL_STRINGOPS.
2067 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
2069         PR bootstrap/20633
2070         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
2072 2005-04-30  Paul Brook  <paul@codesourcery.com>
2074         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
2075         thumb mode.
2076         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
2077         * config/arm/ieee754-sf.S: Ditto.
2078         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
2079         (FUNC_ALIAS): Use .thumb_set for thumb routines.
2081 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
2083         * tree-ssanames.c: Fix a comment typo.
2084         * doc/options.texi: Fix a typo.
2086 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
2088         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
2089         gcc_unreachable as appropriate.
2090         (split_adds_subs, cond_string, print_operand,
2091         h8300_initial_elimination_offset, h8300_classify_operand,
2092         h8300_unary_length, h8300_short_immediate_length,
2093         h8300_bitfield_length, h8300_binary_length,
2094         h8300_insn_length_from_table, compute_mov_length, output_plussi,
2095         compute_plussi_length, compute_plussi_cc, output_logical_op,
2096         compute_logical_op_length, compute_logical_op_cc,
2097         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
2098         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
2099         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
2100         h8300_regs_ok_for_stm): Likewise.
2101         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
2102         monitor_prologue): Likewise.
2104 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
2106         * loop-invariant.c (invariants, create_new_invariant,
2107         get_inv_cost, best_gain_for_invariant,
2108         find_invariants_to_move, move_invariants,
2109         init_inv_motion_data, free_inv_motion_data): Use VEC instead
2110         of VARRAY.
2112 2005-04-29  Richard Henderson  <rth@redhat.com>
2114         * function.c (instantiate_decls): Remove valid_only argument.
2115         (instantiate_decls_1, instantiate_decl): Likewise.
2116         (instantiate_virtual_regs_1): Delete.
2117         (instantiate_virtual_regs_lossage): Delete.
2118         (instantiate_virtual_regs_in_rtx): New.
2119         (safe_insn_predicate): New.
2120         (instantiate_virtual_regs_in_insn): New.
2121         (instantiate_virtual_regs): Update to match all that.  Only run
2122         instantiate_decls once.
2124 2005-04-29  Richard Henderson  <rth@redhat.com>
2125             Daniel Jacobowitz  <dan@codesourcery.com>
2127         * gengtype.c (write_func_for_structure): Split out ...
2128         (output_type_enum): ... new function.  Fix thinko accessing
2129         TYPE_PARAM_STRUCT data.
2131 2005-04-29  Tom Tromey  <tromey@redhat.com>
2133         * tree.c (build_block): Removed unused 'tags' argument.
2134         * tree.h (build_block): Removed argument.
2136 2005-04-29  Michael Matz  <matz@suse.de>
2138         PR rtl-optimization/21144
2139         * postreload.c (reload_cse_move2add): Check for VOIDmode.
2141 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
2143         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
2144         flag_reorder_blocks.
2146 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
2148         PR tree-optimization/21030
2149         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
2150         ranges where VR->MAX is smaller than VR->MIN.
2152 2005-04-29  Devang Patel  <dpatel@apple.com>
2154         PR tree-optimization/21272
2155         PR tree-optimization/21266
2156         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
2157         
2158 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
2160         * tree-flow-inline.h: Fix a comment typo.
2161         * doc/tree-ssa.texi: Fix a typo.
2163         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
2165 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
2167         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
2168         gcc_unreachable as appropriate.
2169         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
2170         fr30_print_operand, fr30_move_double): Likewise.
2171         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
2173 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
2175         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
2176         definition has already been provided.
2177         (ARM_EABI_DTORS_SECTION_OP): Likewise.
2178         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
2179         (ARM_EABI_DTORS_SECTION_OP): Likewise.
2181 2005-04-29  Jim Tison  <jtison@us.ibm.com>
2183         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
2184         trace hooks calls to improve performance.
2186 2005-04-29  Julian Brown  <julian@codesourcery.com>
2187             Mark Mitchell  <mark@codesourcery.com>
2188             Paul Brook  <paul@codesourcery.com>
2190         * crtstuff.c: Handle targets that use .init_array.
2191         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
2192         that INVOKE__main is set correctly.
2193         (expand_main_function): Test INVOKE__main.
2194         * libgcc2.c: Do not define __main when using .init_array.
2195         * config/arm/arm.c (arm_elf_asm_constructor): New function.
2196         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
2197         libgcc version.
2198         (DTORS_SECTION_ASM_OP): Likewise.
2199         (CTOR_LIST_BEGIN): Define specially when in libgcc.
2200         (CTOR_LIST_END): Likewise.
2201         (DTOR_LIST_BEGIN): Likewise.
2202         (DTOR_LIST_END): Likewise.
2203         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
2204         (FINI_SECTION_ASM_OP): Likewise.
2205         (INIT_ARRAY_SECTION_ASM_OP): Define.
2206         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
2207         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
2208         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
2209         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
2210         (FINI_ARRAY_SECTION_ASM_OP): Likewise.  
2212 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
2214         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
2215         gcc_assert and gcc_unreachable as appropriate.
2216         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
2217         const_int_cost, output_move_const_into_data_reg,
2218         output_move_qimode, output_move_double, find_addr_reg,
2219         print_operand, print_operand_address): Likewise.
2220         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
2221         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
2222         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
2223         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
2224         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
2225         conditional_trap): Likewise.
2226         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
2228 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
2230         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
2231         gcc_unreachable as appropriate.
2232         (gen_conditional_move, xtensa_split_operand_pair,
2233         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
2234         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
2235         xtensa_copy_incoming_a7, xtensa_output_literal,
2236         xtensa_output_literal, xtensa_output_literal): Likewise.
2237         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
2238         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
2239         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
2240         movsicc_internal1, movsfcc_internal0,
2241         movsfcc_internal1): Likewise.
2243 2005-04-28  James E Wilson  <wilson@specifixinc.com>
2245         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
2246         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
2248 2005-04-28  DJ Delorie  <dj@redhat.com>
2250         * opt-functions.awk (var_set): Emit proper initializer for
2251         non-target bitfields.
2253 2005-04-28  Devang Patel  <dpatel@apple.com>
2255         * dbxout.c (have_used_extensions): Remove.
2256         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
2257         have_used_extensions.
2258         
2259 2005-04-28  James E Wilson  <wilson@specifixinc.com>
2261         * doc/install.texi: Update -enable-languages info.  Correct path to
2262         html docs.
2264 2005-04-28  DJ Delorie  <dj@redhat.com>
2266         * optc-gen.awk (END): Make sure no variable is defined more
2267         than once.
2268         * opth-gen.awk (END): Allocate bits on a per-variable basis.
2269         Allow for bitfield variables other than target_flags.
2270         * doc/options.text (Mask): Document that you may specify a
2271         variable other than target_flags.
2273 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
2275         PR rtl-optimization/18877
2276         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
2277         number in val.start.
2279 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
2281         PR target/20813
2282         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
2283         MASK_PPC_GFXOPT.
2284         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
2285         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
2286         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
2288 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
2290         * arm.c (legitimize_pic_address): Fix sense of assertion test for
2291         creating pseudos when the base offset is too large.
2293 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
2295         * global.c (earlyclobber_regclass): Change the type to
2296         VEC(int,heap).
2297         (check_earlyclobber): Update uses of earlyclobber_regclass.
2298         (mark_reg_use_for_earlyclobber): Likewise.
2299         (calculate_local_reg_bb_info): Allocate and free
2300         earlyclobber_regclass using the VEC API.
2302 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
2304         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
2305         assert.
2307 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
2309         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
2310         (*targetm.foo).
2312         * config.gcc: Obsolete c4x-* and tic4x-*.
2314         * tree.h (edge_def): Remove.
2316         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
2317         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
2318         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
2319         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
2320         where appropriate.
2322         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
2323         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
2324         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
2325         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
2326         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
2327         machmode.def, mips-tfile.c, params.c, pretty-print.c,
2328         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
2329         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
2330         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
2331         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
2332         config/i386/cygming.h, config/i386/djgpp.h,
2333         config/i386/lynx.h, config/i386/netware.c,
2334         config/i386/winnt.c, config/ia64/ia64-c.c,
2335         config/iq2000/iq2000.c, config/m32r/little.h,
2336         config/m68k/m68k-protos.h, config/m68k/m68k.h,
2337         config/m68k/m68k.md, config/mcore/mcore.c,
2338         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
2339         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
2340         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
2341         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
2342         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
2343         config/pdp11/pdp11.h, config/rs6000/darwin.h,
2344         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
2345         config/s390/2064.md, config/s390/2084.md,
2346         config/s390/s390-modes.def, config/s390/s390-protos.h,
2347         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
2348         config/stormy16/stormy16.c, config/vax/vax-protos.h,
2349         config/vax/vax.c, config/vax/vax.h,
2350         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
2351         copyright.
2353 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
2355         * c-typeck.c (build_compound_expr): Correct logic in last change.
2357 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
2359         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
2360         parameters.  Replace conditional move code with assert checking for
2361         ar.lc.  Delete obsolete comments.
2362         (set_src_needs_barrier): Delete cond parameter, and code using it.
2363         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
2364         assert checking for PR_REGS.  Fix calls to update_set_flags and
2365         set_src_needs_barrier.
2366         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
2367         callers.  Rewrite explanatory comment before the function.
2368         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
2369         Fix all callers.
2371 2005-04-27  Mike Stump  <mrs@apple.com>
2373         * doc/cpp.texi: gcc now implements universal character names.
2375 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
2377         PR c/21159
2378         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
2379         being a compound expression whose right-hand side is cast to void.
2381 2005-04-27  Caroline Tice  <ctice@apple.com>
2383         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
2384         Remove targetm.have_named_sections test.
2385         (fix_edges_for_rarely_executed_code): Likewise.
2386         (insert_section_boundary_note): Likewise.
2387         (reorder_basic_blocks): Check partitioning flag before calling
2388         verify_hot_cold_block_grouping.
2389         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
2390         the function struct rather than global variables.
2391         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
2392         (COLD_END_LABEL): Likewise
2393         (cold_text_section_label): New static global variable.
2394         (cold_end_label): Likewise.
2395         (dwarf2out_switch_text_section): Get hot/cold section labels from
2396         the function struct rather than global variables; test to make sure
2397         cfun is defined.
2398         (output_aranges): Use cold_text_section_label and cold_end_label;
2399         check partitioning flag before putting out delta.
2400         (output_ranges): Remove incorrect code attempting to use
2401         hot/cold labels.
2402         (output_line_info): Get cold section label from function struct; test
2403         to make sure cfun is defined.
2404         (add_location_or_const_value_attribute): Likewise.
2405         (dwarf2out_var_location): Likewise.
2406         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
2407         write out cold_text_section_label if partition flag is set.
2408         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
2409         * function.h (struct function): Add new fields to point to hot/cold
2410         section labels: hot_section_label, cold_section_label,
2411         hot_section_end_label and cold_section_end_label; also add new field
2412         for cold text section name, unlikely_text_section_name.
2413         * opts.c (decode_options): Turn off partitioning flag if
2414         !targetm.have_named_sections.
2415         * output.h (hot_section_label): Remove.
2416         (hot_section_end_label): Remove.
2417         (cold_section_end_label): Remove.
2418         (unlikely_section_label): Remove.
2419         (unlikely_text_section_name): Remove.
2420         * passes.c (rest_of_handle_final):  Remove extra blank line.
2421         * varasm.c (unlikely_section_label): Remove.
2422         (hot_section_label): Remove.
2423         (hot_section_end_label): Remove.
2424         (cold_section_end_label): Remove.
2425         (unlikely_text_section_name):  Remove.
2426         (initialize_cold_section_name): Modify to call
2427         targetm.strip_name_encoding; to store cold section name in current
2428         function struct, if it exists; and to only use the decl_section_name
2429         if flag_named_sections is true.
2430         (unlikely_text_section): Modify to get section name out of current
2431         function struct, if there is one; otherwise build it from
2432         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
2433         (in_unlikely_text_section): Likewise.
2434         (named_section): Modify to get/put cold section name in current function
2435         struct, if there is one.
2436         (function_section):  Change 'bool unlikely' to 'int reloc'; check
2437         targetm.have_named_sections before calling named_section.
2438         (current_function_section): Likewise.
2439         (assemble_start_function): Modify to get/put unlikely_text_section_name
2440         in current function struct; modify to get hot/cold section labels
2441         from function struct; initialize labels using
2442         ASM_GENERATE_INTERNAL_LABEL;
2443         test partitioning flag before writing out hot section label.
2444         (assemble_end_function): Test partitioning flag before writing out
2445         hot/cold section labels.
2446         (default_section_type_flags_1):  Get cold text section name from
2447         function struct if there is one; Set flags correctly for
2448         cold text section if there is not a current function struct.
2449         
2450 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
2452         * tree-ssa-propagate.c (set_rhs): Revert last change.
2454 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
2456         * explow.c (convert_memory_address): Add gcc_assert.
2458 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
2460         * configure.ac: Check for ld --sysroot support.
2461         * gcc.c: Document %R specifier for specs.
2462         (SYSROOT_SPEC): New macro.
2463         (sysroot_spec): New variable.
2464         (static_specs): Add sysroot_spec.
2465         (main): Pass the sysroot spec to the linker if appropriate.
2466         * configure: Regenerated.
2467         * config.in: Likewise.
2469 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
2471         * fold-const.c (fold_binary): Use build_fold_addr_expr
2472         for address calculation and INDIRECT_REF handling.
2474 2005-04-27  Andrew Haley  <aph@redhat.com>
2476         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
2478 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2480         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
2481         pointer when thumb backtracing is on.
2483         * config/fp-bit.c (abort): Revert change.
2485 2005-04-27  Ian Lance Taylor  <ian@airs.com>
2487         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
2489 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2491         * tree-ssa-dce.c: Fix a comment typo.
2493 2005-04-27  David S. Miller  <davem@davemloft.net>
2495         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
2496         Kill setjmpless_size.  current_function_calls_setjmp is completely
2497         computed when we are called, so just use the optimized size value
2498         instead of using REG_SAVE_AREA notes.
2499         (optimize_save_area_alloca): Delete....
2500         * rtl.h (optimize_save_area_alloca): Likewise...
2501         * passes.c (rest_of_compilation): and don't call it any more.
2502         * reg-notes.def (SAVE_AREA): Delete.
2503         
2504 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2506         * config/fp-bit.c (abort): Add noreturn attribute.
2508         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
2509         gcc_unreachable as appropriate.
2510         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
2511         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
2512         ASM_OUTPUT_REG_POP): Likewise.
2514 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
2516         * tree-complex.c (expand_vector_operations_1): Do not build
2517         VIEW_CONVERT_EXPR's for the lhs.
2519 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2521         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
2522         unnecessary noncanonical RTL handling.
2523         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
2524         gcc_assert and gcc_unreachable.
2526         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
2527         gcc_unreachable as appropriate.
2528         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
2529         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
2530         use_return_insn, const_ok_for_op, arm_gen_constant,
2531         arm_canonicalize_comparison, legitimize_pic_address,
2532         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
2533         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
2534         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
2535         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
2536         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
2537         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
2538         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
2539         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
2540         output_call, output_mov_long_double_fpa_from_arm,
2541         output_mov_long_double_arm_from_fpa,
2542         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
2543         output_move_double, arithmetic_instr, shift_op, int_log2,
2544         output_return_instruction, arm_output_function_prologue,
2545         arm_output_epilogue, arm_output_function_epilogue,
2546         emit_multi_reg_push, arm_get_frame_offsets,
2547         arm_compute_initial_elimination_offset, arm_expand_prologue,
2548         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
2549         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
2550         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
2551         thumb_compute_initial_elimination_offset,
2552         thumb_output_function_prologue, thumb_load_double_from_address,
2553         thumb_output_move_mem_multiple, thumb_reload_out_hi,
2554         arm_emit_vector_const, arm_dbx_register_number): Likewise.
2555         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
2556         * config/arm/arm.md (thumb_extendhisi2,
2557         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
2558         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
2559         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
2560         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
2561         * config/arm/cirrus.md (*cirrus_arm_movdi,
2562         *cirrus_movdf_hard_insn): Likewise.
2563         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2565 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2567         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
2568         (num_ssa_names): Use VEC_length.
2569         (ssa_names): Use VEC_index.
2570         * tree-ssanames.c (ssa_names): Change the type to
2571         VEC(tree,gc).
2572         (init_ssanames, fini_ssa_names, make_ssanames,
2573         release_ssa_name): Update uses of ssa_names.
2575         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
2576         Use fold_buildN instead of fold (buildN (...)).
2578 2005-04-27  Devang Patel <dpatel@apple.com>
2580         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
2582 2005-04-27  Matt Thomas <matt@3am-software.com>
2583             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
2585         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
2586         (vax_output_mi_thunk): Ditto.
2587         (vax_notice_cc_update): Ditto.
2588         (INDEX_REGISTER_P): Add trailing \.
2589         (BASE_REGISTER_P): Add trailing \.
2590         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
2592 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
2594         * tree-ssa-propagate.c (set_rhs): Check operand of
2595         ADDR_EXPR for gimpliness, too.
2597 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2599         * tree-ssa-pre.c: Fix a comment typo.
2601 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
2603         PR tree-optimization/21171
2604         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
2605         record address uses if the reference is volatile.
2607 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
2609         * tree-complex.c (expand_vector_operation): New, extracted from
2610         expand_vector_operations_1.
2611         (tree_vec_extract): Build a NOP_EXPR.
2612         (expand_vec_parallel): Do not care about returning the correct type.
2613         (expand_vector_operations_1): Call expand_vector_operation.
2614         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
2616         * tree-complex.c (gate_expand_vector_operations): New.
2617         (pass_lower_vector_ssa): Use it.
2618         * tree-optimize.c (init_tree_optimization_passes): Include
2619         pass_lower_vector_ssa.
2620         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
2621         (vectorizable_operation): Use it.
2622         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
2623         integer modes for the vector type.
2625         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
2626         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
2627         Do not cope with UNITS_PER_SIMD_WORD == 0.
2628         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
2629         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
2630         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
2631         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
2632         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
2633         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
2634         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
2636         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
2637         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
2638         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
2640         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
2641         (UNITS_PER_SIMD_WORD): New.
2643 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2645         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
2646         gcc_unreachable as appropriate.
2647         (ia64_expand_load_address, ia64_expand_tls_address,
2648         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
2649         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
2650         next_scratch_gr_reg, ia64_initial_elimination_offset,
2651         ia64_expand_prologue, ia64_expand_epilogue,
2652         ia64_output_dwarf_dtprel, ia64_print_operand,
2653         ia64_register_move_cost, first_instruction, rws_access_regno,
2654         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
2655         ia64_sched_init, ia64_variable_issue,
2656         ia64_first_cycle_multipass_dfs_lookahead_guard,
2657         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
2658         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
2659         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
2660         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
2661         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2662         * config/ia64/predicates.md (got_symbolic_operand,
2663         sdata_symbolic_operand): Likewise.
2664         * config/ia64/vect.md (vcondv2sf): Likewise.
2666 2005-04-27  Matt Thomas <matt@3am-software.com>
2668         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
2669         CONSTANT_ADDRESS_P in config/vax/vax.h
2670         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h. 
2671         (INDEX_REGISTER_P): New.
2672         (BASE_REGISTER_P): New.
2673         (indirectable_constant_address_p): New.  Adapted from
2674         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
2675         (indirectable_address_p): New.  Adapted from
2676         INDIRECTABLE_ADDRESS_P in vax.h.
2677         (nonindexed_address_p): New.  Adapted from
2678         GO_IF_NONINDEXED_ADDRESS in vax.h.
2679         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
2680         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
2681         (legitimate_address_p): New.  Adapted from
2682         GO_IF_LEGITIMATE_ADDRESS in vax.h.
2683         (vax_mode_dependent_address_p): New.  Adapted from
2684         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
2685         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
2686         legitimate_constant_address_p.
2687         (CONSTANT_P): Use legitimate_constant_p.
2688         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
2689         (INDIRECTABLE_ADDRESS_P): Removed.
2690         (GO_IF_NONINDEXED_ADDRESS): Removed.
2691         (INDEX_TEMP_P): Removed.
2692         (GO_IF_REG_PLUS_INDEX): Removed.
2693         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
2694         definitions, depending on whether REG_OK_STRICT is defined.
2695         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
2696         Two definitions, depending on whether REG_OK_STRICT is defined.
2697         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
2698         added.
2699         (legitimate_constant_p): Prototype added.
2700         (legitimate_address_p): Prototype added.
2701         (vax_mode_dependent_address_p): Prototype added.
2703 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2705         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
2707 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
2709         PR c/21213
2710         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
2711         transparent union.
2713 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
2715         PR c/20740
2716         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
2717         assertion failures, if __gcc_host_wide_int__ is not properly
2718         defined.
2719         (init_dynamic_diag_info): Give errors, not assertion failures, if
2720         location_t, tree or __gcc_host_wide_int__ are not properly
2721         defined.
2723 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
2725         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
2726         n_iv_uses, iv_use, n_iv_cands, iv_cand,
2727         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
2728         prepare_decl_rtl, free_loop_data,
2729         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
2730         VARRAY.
2732         * tree.h (tree_phi_node): Add a comment about the order of PHI
2733         arguments.
2735 2005-04-26  Paul Brook  <paul@codesourcery.com>
2737         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
2739 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
2741         * config/mips.mips.c (mips_legitimize_tls_address): Use
2742         gcc_unreachable.
2744         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
2745         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
2746         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
2748         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
2749         'abort'.
2751 2005-04-26  Jeff Law  <law@redhat.com>
2753         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
2754         (op_iter_init_must_and_may_def): Likewise.
2755         (unmodifiable_var_p): Move to a later point in the file.
2756         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
2757         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
2758         (dse_record_phis): Directly check for virtual operands rather than
2759         using need_imm_uses_for.
2760         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
2761         store has multiple V_{MAY,MUST}_DEF operands.
2763 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
2765         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
2766         stmt.
2768 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
2770         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
2771         call to find_edge outside a loop to go through a PHI chain.
2773 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
2775         PR tree-optimization/17598
2776         * fold-const.c (fold_binary): Fold comparisons of addresses
2777         of COMPONENT_REFs which reference the same field to
2778         comparisons of the addresses of the base objects.
2780 2005-04-26  Julian Brown  <julian@codesourcery.com>
2782         * config/arm/arm.c (arm_return_in_msb): New function.
2783         (arm_must_pass_in_stack): New function.
2784         (TARGET_RETURN_IN_MSB): Define target hook.
2785         (TARGET_MUST_PASS_IN_STACK): Define target hook.
2786         (arm_function_value): Pad small aggregate return.
2787         (arm_pad_arg_upward): New function.
2788         (arm_pad_reg_upward): New function.
2789         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
2790         (FUNCTION_ARG_PADDING): Define macro.
2791         (BLOCK_REG_PADDING): Define macro.
2792         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
2793         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
2794         (arm_pad_reg_upward): Declare function.
2796 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
2798         * basic-block.h (ei_cond): New.
2799         (FOR_EACH_EDGE): Call ei_cond.
2801         PR tree-optimization/21047
2802         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
2803         (fold): Don't handle ASSERT_EXPR.
2805 2005-04-25  Roger Sayle  <roger@eyesopen.com>
2807         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
2808         all writes to any stack register as a read/write dependency on
2809         FIRST_STACK_REG.
2810         (sched_analyze_2): Likewise, for reads from any stack register.
2812 2005-04-25  Richard Henderson  <rth@redhat.com>
2814         * final.c (output_addr_const): Revert 2005-04-09 change.
2816 2005-04-25  Mike Stump  <mrs@apple.com>
2818         * config/darwin.c (darwin_encode_section_info): Always set
2819         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
2821 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2823         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
2824         gensupport.c, protoize.c, toplev.c: Replace calls to
2825         `unlock_stream' with `unlock_std_streams'.
2827 2005-04-25  Devang Patel <dpatel@apple.com>
2829         * dbxout.c (dbxout_type): Emit attribute vector.
2830         
2831 2005-04-05  Paul Brook  <paul@codesourcery.com>
2833         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
2834         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
2835         * config/arm/arm.c (arm_cxx_atexit_name): New function.
2836         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
2837         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
2838         (register_dtor_fn): Likewise.
2839         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
2841 2005-04-25  Ian Lance Taylor  <ian@airs.com>
2843         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
2844         * c-common.h (EXPR_STMT_EXPR): Don't define.
2845         (c_common_stmt_codes): Don't define.
2846         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
2847         * c-gimplify.c (gimplify_expr_stmt): Remove.
2848         (c_gimplify_expr): Remove EXPR_STMT case.
2849         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
2850         to INIT_STATEMENT_CODES.
2851         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
2853 2005-04-25  Jan Hubicka  <jh@suse.cz>
2855         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
2857         * except.c: Include diagnostic.h
2858         (dump_eh_tree, verify_eh_tree): New functions.
2859         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
2860         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
2861         (dump_function_to_file): dump eh tree.
2862         * tree-eh.c (mark_eh_edge): New function.
2863         (mark_eh_edge_found_error): New static variable.
2864         (verify_eh_edges): New function.
2866 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
2868         * tree-ssa-alias.c (fieldoff_t): Remove.
2869         (fieldoff_s): typedef the structure itself.  Create a vector of
2870         objects.
2871         (push_fields_onto_fieldstack): Return count of fields pushed.
2872         Remove peeling of first field.  Adjust.
2873         (fieldoff_compare): Adjust.
2874         (create_overlap_variables_for): Adjust.
2876 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
2878         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
2880 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
2882         PR bootstrap/21215
2883         * doc/install.texi: Document correct assembler and linker to use
2884         on i?86-*-solaris2.10.
2886 2005-04-25  Steven Bosscher  <stevenb@suse.de>
2888         Fix PR tree-optimization/21173
2890         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
2891         Unshare expression we pass to force_gimple_operand.
2893 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
2894             Stephen Clarke <stevec@superh.com>
2895             Roger Sayle <roger@eyesopen.com>
2897         PR rtl-optimization/20413
2898         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
2899         VOIDmode for LABEL_REF.
2900         * final.c (shorten_branches): Likewise.
2901         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
2902         * loop.c (reg_dead_after_loop): Likewise.
2903         * varasm.c (decode_addr_const): Likewise.
2904         * doc/rtl.texi: Document mode requirement for LABEL_REF.
2906 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
2908         * config.gcc (avr-*-*): Remove redundant "case".
2910 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
2912         * tree-vect-analyze.c (vect_mark_relevant): Take
2913         VEC(tree,heap) instead of varray_type as an argument.
2914         (vect_mark_stmts_to_be_vectorized): Change the type of
2915         worklist to VEC(tree,heap).  Adjust uses of worklist.
2917 2005-04-24  Devang Patel  <dpatel@apple.com>
2919         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
2920         
2921 2005-04-24  Ian Lance Taylor  <ian@airs.com>
2923         * c-semantics.c (build_stmt): Remove test of specific tree codes
2924         for TREE_SIDE_EFFECTS handling.
2926 2005-04-24  Per Bothner  <per@bothner.com>
2928         * c-opts.c (finish_options):  Make the line-number of the <built-in>
2929         location 0, as assumed elsewhere, rather than 1.
2931 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
2933         * tree-ssa-uncprop.c (equiv_stack): Change the type o
2934         VEC(tree,heap).
2935         (tree_ssa_uncprop, uncprop_finalize_block,
2936         uncprop_initialize_block): Update uses of equiv_stack.
2938 2005-04-24  Richard Henderson  <rth@redhat.com>
2940         PR rtl-opt/21163
2941         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
2942         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
2943         constm1_rtx.
2944         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
2945         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
2946         <DIV, MOD>: Likewise.
2948 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2950         * collect2.c (main): Unlock the stdio streams.
2951         * gcc.c (main): Likewise.
2952         * gcov-dump.c (main): Likewise.
2953         * gcov.c (main): Likewise.
2954         * gen-protos.c (main): Likewise.
2955         * gensupport.c (init_md_reader_args_cb): Likewise.
2956         * protoize.c (main): Likewise.
2957         * toplev.c (general_init): Likewise.
2959 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
2961         PR middle-end/20991
2962         * cgraph.h (cgraph_local_info): Add vtable_method field.
2963         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
2964         and node is vtable_method, finalized and not reachable, don't do
2965         anything.
2967 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
2969         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
2970         COMPARISON_CLASS_P.
2971         * tree-ssa-pre.c (create_value_expr_from): Use
2972         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
2973         * tree-ssa-propagate.c (stmt_makes_single_load,
2974         stmt_makes_single_store): Use REFERENCE_CLASS_P.
2975         * tree-vect-transform.c (vect_is_simple_cond): Use
2976         COMPARISON_CLASS_P.
2977         * tree-vrp.c (extract_range_from_assert,
2978         build_assert_expr_for, fp_predicate, has_assert_expr): Use
2979         COMPARISON_CLASS_P.
2981         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
2982         of tpa_to_clear to VEC(int,heap).  Update uses of
2983         tpa_to_clear.  Free tpa_to_clear at the end.
2985 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
2987         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
2988         function decl.
2990 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
2992         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
2993         and gcc_unreachable as appropriate.
2994         (num_insns_constant, output_vec_const_move,
2995         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
2996         rs6000_emit_set_const, rs6000_emit_move,
2997         spe_build_register_parallel, function_arg,
2998         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
2999         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
3000         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
3001         rs6000_common_init_builtins, expand_block_clear,
3002         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
3003         extract_ME, rs6000_get_some_local_dynamic_name,
3004         rs6000_output_function_entry, print_operand,
3005         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
3006         output_cbranch, output_e500_flip_gt_bit,
3007         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
3008         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
3009         compute_save_world_info, rs6000_stack_info,
3010         rs6000_emit_load_toc_table, rs6000_frame_related,
3011         spe_synthesize_frame_save, rs6000_emit_epilogue,
3012         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
3013         output_function_profiler, rs6000_trampoline_size,
3014         rs6000_initialize_trampoline, find_addr_reg,
3015         rs6000_machopic_legitimize_pic_address,
3016         rs6000_initial_elimination_offset,
3017         rs6000_dbx_register_number): Likewise.
3018         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
3019         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
3020         *movti_power, *movti_string, call, call_value, sibcall,
3021         sibcall_value): Likewise.
3022         * config/rs6000/spe.md (*movdf_e500_double,
3023         *movv2si_internal): Likewise.
3024         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
3025         from comment.
3027 2005-04-24  Richard Henderson  <rth@redhat.com>
3029         PR target/21101
3030         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
3031         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
3032         Deny modes smaller than 4 bytes.
3033         * config/i386/i386-protos.h: Update.
3035 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
3037         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
3038         Switch h8300-*-rtems* to ELF.
3040 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
3042         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
3044 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
3046         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
3048 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
3050         PR middle-end/21082
3051         * fold-const.c: Fold &a[i]-&a[j] to i-j.
3053 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
3055         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
3056         definitions of ssa names in condition.  Split recusive part to ...
3057         (tree_simplify_using_condition_1): New function.
3058         (expand_simple_operations): New function.
3060 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
3062         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
3063         (find_interesting_uses_cond): Do not use integer_zerop and
3064         integer_nonzerop to check for integer constants.
3065         (set_use_iv_cost): Record the value field.
3066         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
3067         determine_use_iv_cost_outer): Set the value field of the cost pair.
3068         (may_eliminate_iv): Do not return the comparison code.
3069         (iv_elimination_compare): New function.
3070         (determine_use_iv_cost_condition): Set the value field.  Record
3071         noneliminable invariants correctly.
3072         (rewrite_use_compare, rewrite_use_outer): Use the value field.
3074 2005-04-23  DJ Delorie  <dj@redhat.com>
3076         * diagnostic.c (warning): Accept parameter to classify warning option.
3077         (warning0): New, for when a pointer to an error() like function is needed.
3078         * errors.c (warning): Likewise.
3079         * errors.h (warning, warning0): Adjust prototypes.
3080         * toplev.h (warning, warning0): Likewise.
3082         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
3083         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
3084         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
3085         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
3086         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
3087         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
3088         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
3089         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
3091         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
3092         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
3093         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
3094         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
3095         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
3096         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
3097         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
3098         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
3099         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
3100         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
3101         config/rs6000/aix52.h, config/rs6000/darwin.h,
3102         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
3103         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3104         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
3105         config/stormy16/stormy16.c, config/v850/v850-c.c,
3106         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
3107         callers.
3108         
3109 2005-04-23  Richard Henderson  <rth@redhat.com>
3111         PR rtl-opt/21102
3112         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
3113         performing some integral scalar simplifications.
3115 2005-04-23  Richard Henderson  <rth@redhat.com>
3117         PR target/21099
3118         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
3119         simplifying CONST_VECTOR.
3121 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
3123         * tree-ssa-live.c (live_worklist): Take a stack allocated on
3124         heap as an argument.  Update uses of stack.
3125         (calculate_live_on_entry): Allocate stack on heap.
3127         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
3128         partition_link and tpa_nodes on heap.
3130         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
3131         (mark_stmt_necessary, propagate_necessity,
3132         mark_really_necessary_kill_operand_phis): Update uses of
3133         worklist.
3134         (tree_dce_init): Allocate worklist using VEC_alloc.
3135         (tree_dce_done): Free worklist using VEC_free.
3137 2005-04-23  Mike Stump  <mrs@apple.com>
3139         * config/darwin.c (machopic_indirection_name): Don't use
3140         quotes needlessly.
3141         (darwin_emit_unwind_label): Use user_label_prefix instead of
3142         "_".
3144 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
3146         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
3148 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
3150         * config.gcc <cris-*>: Specify .opt files.
3151         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
3152         config/cris/linux.opt: New files.
3153         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
3154         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
3155         (TARGET_ELF): Override to 0.
3156         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
3157         -melinux-stacksize=N.
3158         * config/cris/cris.c: (cris_handle_option): New function.
3159         (TARGET_DEFAULT_TARGET_FLAGS): Override.
3160         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
3161         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
3162         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
3163         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
3164         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
3165         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
3166         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
3167         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
3168         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
3169         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
3170         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
3171         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
3172         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
3173         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
3174         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
3175         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
3176         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
3177         (TARGET_LINUX): Define 0.
3178         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
3179         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
3180         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
3181         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
3182         (TARGET_LINUX): Override to 1.
3183         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
3185 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3187         * haifa-sched.c (schedule_block): Fix thinko in previous
3188         assertification patch.
3190 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
3192         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
3193         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
3194         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
3195         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
3196         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
3197         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
3198         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
3199         for hpux11.[1-9]*.
3200         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
3201         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
3202         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
3203         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
3204         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
3205         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
3206         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
3207         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
3208         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
3209         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
3210         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
3211         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
3212         (SUBTARGET_OPTIONS): Delete.
3213         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
3214         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
3215         instead of a string.
3216         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
3217         (pa_cpu_string, pa_unix_string): Delete.
3218         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
3219         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
3220         TARGET_HPUX_10_10.
3221         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3222         (pa_handle_option): New function.
3223         (override_options): Remove handling of -march=, -mfixed-range=,
3224         -mschedule= and -munix=.
3225         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
3226         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
3227         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
3228         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
3229         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
3230         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
3231         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
3232         redefining.
3233         * config/pa/pa.opt: New file.
3234         * config/pa/pa-hpux.opt: New file.
3235         * config/pa/pa-hpux1010.opt: New file.
3236         * config/pa/pa-hpux1111.opt: New file.
3237         * config/pa/pa64-hpux.opt: New file.
3239 2005-04-22  David S. Miller  <davem@davemloft.net>
3241         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
3242         integer when it's mode is VOIDmode not DImode.
3244 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
3246         * config/rs6000/rs6000.md (sync_add<mode>_internal,
3247         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
3248         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
3249         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
3250         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
3251         "bne- $-xxx" rather than local labels.
3252         (sync_lock_release<mode>): Add second operand.
3253         (lwsync): Use .long rather than a more meaningful opcode.
3254         * doc/md.texi (Standard Names): Add description of second
3255         parameter to sync_lock_test_and_set.
3257 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
3259         PR tree-optimization/21088
3260         * fold-const.c (fold_unary, fold_binary, fold_ternary):
3261         Export.
3262         * tree-vrp.c (compare_values): Use fold_binary to compare
3263         pointers.  Use boolean_type_node as the type of a comparison
3264         expression being folded.
3265         * tree.h: Add prototypes for fold_unary, fold_binary,
3266         fold_ternary.
3268         * tree-ssa-dom.c: Fix formatting.
3270 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
3272         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
3273         * lambda-code.c (perfect_nestify): Mark virtual operands in
3274         the moved statement for renaming.
3275         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
3276         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
3277         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
3278         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
3279         * tree-flow.h (struct var_ann_d): Update comments.
3280         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
3281         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
3282         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
3283         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
3284         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
3285         debug_names_replaced_by): Remove declarations.
3286         (delete_update_ssa, get_current_def, set_current_def): Declare.
3287         (rewrite_into_loop_closed_ssa): Add new argument.  Update
3288         all callers.
3289         * tree-into-ssa.c: Include params.h.
3290         (old_virtual_ssa_names): Remove.  Update all users.
3291         (need_to_replace_names_p): Remove.  Update all users.
3292         (struct update_ssa_stats_d): Declare.
3293         (update_ssa_stats): New local.
3294         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
3295         dump_tree_ssa_stats, debug_tree_ssa_stats,
3296         dump_update_ssa, debug_update_ssa,
3297         dump_names_replaced_by, debug_names_replaced_by): Declare.
3298         (get_current_def, set current_def): Make extern.
3299         (is_old_name, is_new_name): Protect against references
3300         past the end of the sets.
3301         (add_new_name_mapping): Assert that OLD and NEW are
3302         different SSA names for the same symbol.
3303         When adding a virtual mapping, update stats for virtual
3304         mapping heuristic.
3305         (insert_phi_nodes_for): If UPDATE_P is true, create the
3306         LHS of the new PHI by duplicating SSA name VAR.
3307         (insert_phi_nodes_1): Remove.  Update all users.
3308         (insert_phi_nodes): Remove second argument.  Update all
3309         users.
3310         (maybe_replace_use, maybe_replace_def): New.
3311         (rewrite_update_stmt): Call them.
3312         (mark_def_interesting): Remove calls to is_gimple_reg.
3313         (prepare_phi_args_for_update): Remove.  Update all users.
3314         (prepare_block_for_update): Only process virtual operands
3315         and GIMPLE registers in normal form.
3316         (prepare_use_sites_for): New.
3317         (prepare_names_to_update): Rename from prepare_def_sites.
3318         Call prepare_use_sites_for.
3319         (dump_update_ssa): Rename from dump_repl_tbl.
3320         Update all users.
3321         Show statistics for virtual mapping heuristic.
3322         (debug_update_ssa): Rename from debug_debug_repl_tbl.
3323         (init_update_ssa): Initialize UPDATE_SSA_STATS.
3324         (delete_update_ssa): Make extern.
3325         (mark_set_for_renaming): If the set is empty, do nothing.
3326         (release_ssa_name_after_update_ssa): Update comment.
3327         (insert_updated_phi_nodes_for): Do not remove existing
3328         PHI nodes for symbols.
3329         (switch_virtuals_to_full_rewrite_p): New.
3330         (switch_virtuals_to_full_rewrite): New.
3331         (update_ssa): Call them.
3332         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
3333         for every statement before updating.
3334         If all the names in NEW_SSA_NAMES have been marked for
3335         removal, do nothing.
3336         Only start at the top of the CFG if there are symbols in
3337         SYMS_TO_RENAME.
3338         (ssa_rewrite_finalize_block): Remove.
3339         (ssa_register_new_def): Remove.
3340         (ssa_rewrite_stmt): Remove.
3341         (ssa_rewrite_phi_arguments): Remove.
3342         (ssa_rewrite_initialize_block): Remove.
3343         (ssa_mark_def_sites): Remove.
3344         (ssa_mark_def_sites_initialize_block): Remove.
3345         (ssa_mark_phi_uses): Remove.
3346         (rewrite_ssa_into_ssa): Remove.
3347         * tree-phinodes.c (find_phi_node_for): Remove.
3348         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
3349         Call update_ssa.
3350         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
3351         Remove calls to verify_dominators and
3352         verify_loop_structure.
3353         (tree_unswitch_single_loop): Call update_ssa.
3354         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
3355         returns false.
3356         Call verify_stmts.
3357         (delete_tree_ssa): Assert that need_ssa_update_p returns
3358         false.
3359         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
3360         * tree-vectorizer.c (allocate_new_names, rename_def_op,
3361         free_new_names): Remove.  Update all users.
3362         (rename_use_op): Call get_current_def.
3363         (rename_variables_in_bb): Do not handle any real or
3364         virtual definition.
3365         (slpeel_update_phis_for_duplicate_loop): Call
3366         get_current_def and set_current_def instead of using
3367         SSA_NAME_AUX.
3368         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
3369         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
3370         ssa_names_to_replace and delete_update_ssa.
3371         * doc/invoke.texi: Document --param min-virtual-mappings
3372         and --param virtual-mappings-ratio.
3374 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
3376         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
3377         for newly created PHI nodes.
3378         Call create_new_def_for for every new V_MAY_DEF and
3379         V_MUST_DEF on the copied statement.
3380         (struct ssa_name_map_entry): Remove.
3381         (ssa_name_map_entry_hash): Remove.
3382         (ssa_name_map_entry_eq): Remove.
3383         (allocate_ssa_names): Remove.
3384         (rewrite_to_new_ssa_names_def): Remove.
3385         (rewrite_to_new_ssa_names_use): Remove.
3386         (rewrite_to_new_ssa_names_bb): Remove.
3387         (rewrite_to_new_ssa_names): Remove.
3388         (tree_duplicate_sese_region): Remove variables ver,
3389         definitions, phi, ssa_name_map and bi.
3390         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
3391         Call update_ssa.
3392         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
3393         update_ssa instead of rewrite_ssa_into_ssa.
3394         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
3395         create_new_def_for.
3396         (find_uses_to_rename_use): Add argument 'need_phis'.
3397         (find_uses_to_rename_stmt): Do not scan virtual operands.
3398         (find_uses_to_rename): Only scan PHI nodes for
3399         non-virtual names.
3400         (rewrite_into_loop_closed_ssa): Call update_ssa.
3401         (check_loop_closed_ssa_use): Ignore virtual operands.
3402         (check_loop_closed_ssa_stmt): Likewise.
3403         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
3404         NULL.
3405         (rename_variables, set_phi_def_stmts): Remove.
3406         (tree_duplicate_loop_to_header_edge): Reformat comment.
3407         Remove variables BB, I and DEFINITIONS.
3408         Call need_ssa_update_p.
3409         Call update_ssa.
3410         (lv_adjust_loop_header_phi): Reformat comment.
3411         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
3412         (marked_for_rewrite_p, any_marked_for_rewrite_p,
3413         mark_for_rewrite, unmark_all_for_rewrite,
3414         marked_ssa_names): Remove.  Update all users.
3415         (release_ssa_name): If VAR has been registered for SSA
3416         updating, do nothing.
3417         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
3418         (build_assert_expr_for): Call register_new_name_mapping.
3419         (insert_range_assertions): Update call to update_ssa.
3420         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
3421         marked_for_rewrite_p, any_marked_for_rewrite_p,
3422         marked_ssa_names): Remove.
3424 2005-04-22  Jeff Law  <law@redhat.com>
3426         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
3427         (restore_currdefs_to_original_value): Likewise.
3428         (register_definitions_for_stmt): Likewise.
3429         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
3430         for each variable.  Do not allocate/free block_defs_stack either.
3431         Do not iterate if we just thread jumps.  Only iterate if the
3432         tree_cleanup_cfg does useful work (temporary).
3433         (dom_opt_initialize_block): No longer push a marker on
3434         BLOCK_DEFS_STACK.
3435         (dom_opt_finalize_block): Removal call to restore currdefs.
3436         Relax restrictions for recording edge equivalences.
3437         (record_equivalences_from_phis): No longer need to track
3438         CURRENT_DEF.
3439         (optimize_stmt): Similarly.
3440         (thread_across_edge): Simplify by removing the requirement that
3441         statements in the block we are threading through must be nops.
3442         (initialize_hash_element): Handle GOTO_EXPR.
3444 2005-04-22  David S. Miller  <davem@davemloft.net>
3446         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
3447         CONST_DOUBLE_HIGH.
3448         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
3449         fix check on CONST_DOUBLE mode.  It should be VOIDmode
3450         when it is representing an integer.
3452 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3454         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
3455         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
3456         * c-format.c (get_constant, decode_format_attr, get_flag_spec, 
3457         find_char_info_specifier_index,
3458         find_length_info_modifier_index): Likewise.
3459         * c-typeck.c (composite_type, pop_init_level): Likewise.
3460         * combine.c (cant_combine_insn_p, try_combine): Likewise.
3461         * cse.c (cse_insn): Likewise
3462         * dominance.c (calc_dfs_tree): Likewise
3463         dwarf2out.c (loc_descriptor_from_tree_1,
3464         add_abstract_origin_attribute, force_decl_die,
3465         force_type_die): Likewise
3466         emit-rtl.c (operand_subword_force): Likewise
3467         explow.c (hard_function_value): Likewise
3468         expmed.c (store_bit_field, expand_divmod,
3469         emit_store_flag_force): Likewise
3470         expr.c (emit_move_multi_word, store_expr,
3471         expand_expr_real_1): Likewise
3472         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
3473         output_operand): Likewise
3474         flow.c (recompute_reg_usage): Likewise
3475         * function.c (assign_stack_temp_for_type, assign_temp, 
3476         handle_epilogue_set): Likewise
3477         * genextract.c (main): Likewise
3478         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
3479         gimplify_modify_expr_rhs, gimplify_expr): Likewise
3480         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
3481         ready_remove, rm_line_notes, rm_other_notes,
3482         schedule_block): Likewise
3483         mips-tfile.c (copy_object, out_of_bounds): Likewise
3485 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
3487         PR target/20813
3488         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
3489         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
3490         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
3491         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
3492         TARGET_XL_COMPAT.
3493         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
3495 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3497         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
3498         (gcc_tree_to_linear_expression): Convert to heap allocated
3499         vectors.
3500         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
3501         lbv_to_gcc_expression, lle_to_gcc_expression,
3502         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, 
3503         perfect_nestify): Likewise.
3504         lambda.h (gcc_loopnest_to_lambda_loopnest,
3505         lambda_loopnest_to_gcc_loopnest): Likewise.
3506         tree-loop-linear.c (linear_transform_loops): Likewise.
3508 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
3510         * config/sparc/predicates.md (arith_double_operand): Use
3511         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
3512         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
3513         (DImode, DFmode constant splitters): Likewise.  Remove code for
3514         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
3515         (logical constant splitters): Use const_int_operand predicate.
3516         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
3517         HOST_BITS_PER_WIDE_INT < 64.
3519 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3521         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
3522         gcc_unreachable as appropriate.
3523         (force_mode, emit_move_sequence, singlemove_string,
3524         output_move_double, output_fp_move_double, find_addr_reg,
3525         output_block_move, output_block_clear, output_and,
3526         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
3527         pa_adjust_cost, pa_issue_rate, print_operand,
3528         output_global_address, output_arg_descriptor, output_cbranch,
3529         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
3530         output_call): Likewise.
3531         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
3532         prefetch, prefetch_cc, prefetch_nocc): Likewise.
3534 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
3536         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
3537         _gcov_pow2_profiler and _gcov_one_value_profiler.
3538         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
3539         (GTFILES): Add $(srcdir)/tree-profile.c.
3540         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
3541         __gcov_one_value_profiler): Declare.
3542         * gimplify.c (force_gimple_operand): Check whether the statements
3543         should be produced in ssa form.
3544         (force_gimple_operand_bsi): New function.
3545         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
3546         __gcov_one_value_profiler): New functions.
3547         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
3548         the profiled value is a power of two or not.
3549         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
3550         * tree-flow.h (in_ssa_p): Declare.
3551         (force_gimple_operand_bsi): Declare.
3552         * tree-into-ssa.c (in_ssa_p): New variable.
3553         (rewrite_into_ssa): Set in_ssa_p.
3554         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
3555         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
3556         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
3557         tree_one_value_profiler_fn): New variables.
3558         (tree_init_edge_profiler): Initialize the profiler function decls.
3559         (tree_gen_edge_profiler): Use global gcov_type_node.
3560         (prepare_instrumented_value): New function.
3561         (tree_gen_interval_profiler, tree_gen_interval_profiler,
3562         tree_gen_one_value_profiler): Call the library functions instead of
3563         creating instrumentation code.
3564         * tree.c (build_fn_decl): New function.
3565         * tree.h (build_fn_decl): Declare.
3566         * value-prof.c (rtl_divmod_values_to_profile,
3567         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
3568         tree_mod_pow2_value_transform, tree_find_values_to_profile):
3569         Do not handle may_be_other and precise values of exponents at pow2
3570         profiler.
3571         (tree_mod_subtract_transform): Reflect that value field of
3572         histogram has changed meaning.
3573         (tree_divmod_values_to_profile): Record the values correctly.
3574         (tree_values_to_profile): Update comment.
3575         * value-prof.h (struct histogram_value_t): Remove pow2 data.
3577 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
3579         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
3580         (decl).
3582 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3584         * config/i386/i386.md (length_immediate): Use gcc_assert or
3585         gcc_unreachable, as appropriate.
3586         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
3587         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
3588         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
3589         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
3590         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
3591         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
3592         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
3593         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
3594         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
3595         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
3596         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
3597         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
3598         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
3599         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
3600         *prefetch_sse_rex): Likewise.
3601         * config/i386/predicates.md (x86_64_immediate_operand,
3602         x86_64_zext_immediate_operand, symbolic_operand,
3603         no_seg_address_operand, aligned_operand,
3604         memory_displacement_operand): Likewise.
3605         * config/i386/sse.md (*mov<mode>_internal,
3606         *movv2df_internal): Likewise.
3608 2005-04-22  Jan Hubicka  <jh@suse.cz>
3610         * Makefile.in (ipa.o, ipa-inline.o): New files.
3611         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
3612         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
3613         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
3614         * cgraphunit.c (cgraph_default_inline_p,
3615         cgraph_decide_inlining_incrementally,  ncalls_inlined,
3616         nfunctions_inlined, initial_insns, overall_insns, 
3617         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
3618         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
3619         cgraph_mark_inline, cgraph_check_inline_limits,
3620         cgraph_default_inline_p, cgraph_recursive_inlining_p,
3621         update_callee_keys, lookup_recursive_calls,
3622         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
3623         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
3624         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
3625         pass_ipa_inline): Move to ipa-inline.c
3626         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
3627         * ipa.c: New file.
3628         * ipa-inline.c: New file.
3630 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
3632         * doc/invoke.texi (SPARC options): Document that -mapp-regs
3633         is turned off by default on Solaris.
3635 2005-04-21  Roger Sayle  <roger@eyesopen.com>
3637         * c-common.h (objc_build_method_signature): Update prototype.
3638         * stub-objc.c (objc_build_method_signature): Update the stub
3639         implementation to accept and ignore additional parameter.
3640         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
3641         the value of ellipsis to objc_build_method_signature instead
3642         of setting TREE_OVERFLOW on the parms TREE_LIST node.
3644 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
3646         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
3647         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
3648         gen_rtx_* not gen_rtx_fmt_*.
3649         (rs6000_emit_vector_select): Likewise.
3650         (rs6000_emit_sync): New.
3651         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
3652         (larx, stcx, cmp): New mode substitutions.
3653         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
3654         UNSPEC_ISYNC): New constants.
3655         (rlwinm): Give name.
3656         (memory_barrier, isync, lwsync): New insns.
3657         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
3658         (sync_lock_release<mode>): New expander.
3659         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
3660         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
3661         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
3662         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
3663         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
3664         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
3665         (sync_add<mode>_internal, sync_addshort_internal,
3666         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
3667         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
3668         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
3670         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
3671         is the memory before, not after, the operation.  Clarify
3672         barrier requirements.
3674 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3676         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
3677         * lambda.h (lambda_vector_min_nz): Likewise.
3678         * langhooks.h (struct lang_hooks_for_types,
3679         struct lang_hooks): Likewise.
3680         * output.h (assemble_integer, this_is_asm_operands): Likewise.
3681         * tree.h: Likewise.
3682         * vec.h: Likewise.
3683         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
3684         
3685         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
3686         comments to avoid 'abort'.  Use gcc_assert as necessary.
3687         * opts.c (common_handle_option): Likewise.
3688         * pretty-print.c (pp_base_format_text): Likewise.
3689         * print-rtl.c (print_rtx): Likewise.
3690         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
3691         * regmove.c (try_auto_increment): Likewise.
3692         * reload.c (find_valid_class, find_reloads_toplev,
3693         find_equiv_reg): Likewise.
3694         * reload1.c (reload, forget_old_reloads_1, function_invariant_p, 
3695         merge_assigned_reloads): Likewise.
3696         * tree-inline.c (inline_forbidden_p_1,
3697         estimate_num_insns_1): Likewise.
3698         * tree-optimize.c (execute_todo): Likewise.
3699         * tree-outof-ssa.c (eliminate_phi): Likewise.
3700         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
3701         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
3702         * tree-ssa-operands.c (parse_ssa_operands,
3703         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
3704         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
3705         * tree-ssanames.c (release_ssa_name): Likewise.
3706         * tree.c (int_bit_position, int_byte_position, tree_low_cst, 
3707         walk_tree): Likewise.
3709         * tree-ssa-operands.c (verify_abort): Fold into ..
3710         (verify_imm_links): ... here.
3712 2005-04-21  Richard Henderson  <rth@redhat.com>
3714         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
3715         on non-memory operand for previous inversion.
3717 2005-04-21  Devang Patel  <dpatel@apple.com>
3719         PR optimization/20994
3720         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
3721         x = !(a == b) : p , q;.
3722         (pass_if_conversion): Verify stmts and flow.
3723         
3724 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3726         * optabs.c (gen_conditional_trap): Restore #define.
3728         * alias.c (true_dependence): Remove 'abort' from comments. Use
3729         gcc_assert and gcc_unreachable as appropriate.
3730         (canon_true_dependence): Likewise.
3731         * bb-reorder.c (connect_traces): Likewise.
3732         * c-common.c (c_add_case_label): Likewise.
3733         * c-decl.c (finish_function): Likewise.
3734         * caller-save.c (insert_restore, insert_save): Likewise.
3735         * cfg.c (update_bb_profile_for_threading): Likewise.
3736         * cfganal.c (flow_active_insn_p): Likewise.
3737         * cfgexpand.c (add_reg_br_prob_note): Likewise.
3738         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
3739         cfg_layout_merge_blocks): Likewise.
3740         * ifcvt.c (cond_exec_process_insns, merge_if_block,
3741         find_if_block): Likewise.
3742         * integrate.c (allocate_initial_values): Likewise.
3743         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
3744         swap_condition, unsigned_condition, signed_condition,
3745         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
3746         reg_or_subregno): Likewise.
3747         * lambda-code.c (lambda_compute_auxillary_space,
3748         lambda_transform_legal_p): Likewise.
3749         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
3750         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
3751         lhd_incomplete_type_error, lhd_expand_expr,
3752         lhd_types_compatible_p, lhd_tree_size): Likewise.
3753         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
3754         * local-alloc.c (update_equiv_regs): Likewise.
3755         * loop-unroll.c (peel_loop_completely
3756         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3757         peel_loop_simple, unroll_loop_stupid,
3758         analyze_iv_to_split_insn): Likewise.
3759         * loop.c (gen_prefetch, find_and_verify_loops,
3760         basic_induction_var): Likewise.
3761         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
3762         * value-prof.c (tree_find_values_to_profile): Likewise.
3763         * varasm.c (named_section, default_assemble_integer,
3764         decode_addr_const): Likewise.
3766 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
3767            Fariborz Jahanian <fjahanian@apple.com>
3769         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
3770         portion of argument passed in fpr.
3771         * expr.c (emit_push_insn): Fix computation of 'offset' used to
3772         decide on partial argument save on stack.
3774 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
3776         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
3777         comment typos.
3779 2005-04-21  Jan Hubicka  <jh@suse.cz>
3781         * cgraphunit.c: Include tree-pass.h
3782         (cgraph_decide_recursive_inlining,
3783         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
3784         cgraph_decide_inlining): Dump goes to dump_file.
3785         (cgraph_optimize): Call ipa passes instead of inliner.
3786         (cgraph_gate_inlining, pass_ipa_inline): New.
3787         * tree-optimize.c (all_ipa_passes): New static variable.
3788         (register_one_dump_file): Dead with IPA passes.
3789         (register_dump_files): Likewise.
3790         (init_tree_optimization_passes): Initialize IPA passes.
3791         (execute_todo): Do cgraph dump when asked to, do not dump function body
3792         for IPA pass.
3793         * tree-pass.h (TODO_dump_cgraph): New macro.
3794         (ipa_passes): Declare.
3795         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
3797 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3799         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
3800         gcc_assert instead of abort.
3801         (classify_argument, examine_argument, construct_container,
3802         contains_128bit_aligned_vector_p, ix86_check_movabs,
3803         standard_80387_constant_opcode, standard_80387_constant_rtx,
3804         ix86_initial_elimination_offset, ix86_compute_frame_layout,
3805         pro_epilogue_adjust_stack, ix86_expand_epilogue,
3806         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
3807         legitimize_tls_address, output_pic_addr_const,
3808         i386_output_dwarf_dtprel, put_condition_code, print_reg,
3809         get_some_local_dynamic_name, print_operand, print_operand_address,
3810         output_387_binary_op, emit_i387_cw_initialization,
3811         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
3812         ix86_expand_clear, ix86_expand_binary_operator,
3813         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
3814         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
3815         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
3816         ix86_expand_branch, ix86_expand_setcc,
3817         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
3818         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
3819         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
3820         memory_address_length, ix86_attr_length_immediate_default,
3821         ix86_attr_length_address_default, ix86_agi_dependant,
3822         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
3823         ix86_expand_binop_builtin, ix86_force_to_memory,
3824         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
3825         x86_emit_floatuns): Likewise.
3826         * config/i386/netware.c (gen_regparm_prefix,
3827         i386_nlm_strip_name_encoding): Likewise.
3828         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
3830 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3832         * optabs.c (gen_condiational_trap): Remove #define.
3833         (add_equal_note): Assertify. Remove explicit indirection from
3834         call via function pointer.
3835         (expand_ternary_op, expand_simple_binop, expand_binop,
3836         expand_twoval_unop, expand_twoval_binop,
3837         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
3838         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
3839         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
3840         prepare_float_lib_cmp, emit_conditional_move,
3841         emit_conditional_add, gen_add2_insn, gen_add3_insn,
3842         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
3843         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
3844         vector_compare_rtx, expand_vec_cond_expr): Likewise.
3846 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3848         * vec.h: Update API to separate allocation mechanism from type.
3849         (VEC_safe_grow): New.
3850         * vec.c (calculate_allocation): New.
3851         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
3852         (vec_gc_free, vec_heap_free): Remove.
3853         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
3854         (VEC): Likewise.
3855         (mangle_macro_name): New.
3856         (struct macro_def): New.
3857         (struct macro): Add multiple argument values.
3858         (macro_expans_end): New.
3859         (push_macro_expansion):  Chain on new macro. Process multiple
3860         args, create follow on expansion. Return follow on argument.
3861         (macro_input): Deal with multiple arguments.
3862         
3863         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
3864         (struct tree_binfo): Adjust.
3865         * basic-block.h: Define VEC(edge,gc).
3866         (struct edge_def): Adjust.
3867         (struct basic_block_def, struct edge_iterator): Likewise.
3868         (ei_container, ei_start_1, ei_last_1): Likewise.
3869         * cfg.c (connect_src, connect_dest): Likewise.
3870         * cfgrtl.c (force_nonfallthru_and_redirect)
3871         * dbxout.c (dbxout_type)
3872         * dwarf2out.c (gen_member_die)
3873         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
3874         (gcc_tree_to_linear_expression): Adjust.
3875         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
3876         lbv_to_gcc_expression, lle_to_gcc_expression,
3877         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
3878         perfect_nestify): Likewise.
3879         * lambda.h (gcc_loopnest_to_lambda_loopnest,
3880         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
3881         * profile.c (instrument_values): Adjust.
3882         * tree-cfg.c (modified_noreturn_calls): Adjust.
3883         (remove_fallthru_edge): Likewise.
3884         * tree-dump.c (dequeue_and_dump): Adjust.
3885         * tree-flow-inline.h (mark_stmt_modified): Adjust.
3886         * tree-flow.h (modified_noreturn_calls): Adjust.
3887         (tree_on_heap): Remove. (yay!)
3888         (register_new_def): Adjust.
3889         * tree-into-ssa.c: Define VEC(int,heap).
3890         (block_defs_stack): Adjust.
3891         (find_idf, insert_phi_nodes, register_new_def,
3892         rewrite_initialize_block, rewrite_finalize_block,
3893         register_new_update_single, rewrite_update_init_block,
3894         rewrite_update_fini_block, rewrite_blocks,
3895         ssa_rewrite_finalize_block, ssa_register_new_def,
3896         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
3897         * tree-loop-linear.c (linear_transform_loops): Adjust.
3898         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
3899         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
3900         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
3901         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
3902         vrp_variables_stack): Adjust declarations.
3903         (tree_ssa_dominator_optimize): Adjust.
3904         (dom_opt_initialize_block, remove_local_expressions_from_table,
3905         restore_nonzero_vars_to_original_value,
3906         restore_vars_to_original_value,
3907         restore_currdefs_to_original_value, dom_opt_finalize_block,
3908         record_var_is_nonzero, record_cond, record_const_or_copy_1,
3909         optimize_stmt, update_rhs_and_lookup_avail_expr,
3910         lookup_avail_expr, record_range): Likewise.
3911         * tree-ssa-pre.c: Define VEC(basic_block,heap).
3912         (compute_antic_aux): Adjust.
3913         (inserted_exprs, create_expression_by_pieces, 
3914         insert_into_preds_of_block, eliminate, mark_operand_necessary, 
3915         remove_dead_inserted_code, fini_pre): Likewise.
3916         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
3917         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist. 
3918         ssa_prop_init): Likewise.
3919         * tree-ssa.c: Define VEC(bitmap,heap).
3920         (verify_name_tags): Adjust.
3921         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
3922         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
3923         tree_divmod_values_to_profile, tree_find_values_to_profile,
3924         value_profile_transformations): Likewise.
3925         * value-prof.h: Define VEC(histogram_value,heap).
3926         * varasm.c: Remove alias_pair pointer typedef, define
3927         VEC(alias_pair,gc).
3928         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
3929         
3930         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
3931         not a pointer to it.  Create an object vector.
3932         (extern_symbols): Turn into an object vector.
3933         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
3935 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
3937         PR/20742
3938         * Makefile.in (tree-chrec.o): Depend on params.h.
3939         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
3940         default value 20.
3941         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
3942         and fold build with fold_buildN.
3943         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
3944         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3945         (tree_contains_chrecs): Compute an estimation of the size of the
3946         given expression.
3947         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
3948         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
3949         * tree-scalar-evolution.c (simple_iv): Ditto.
3950         * doc/invoke.texi (scev-max-expr-size): Documented.
3952 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
3954         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
3955         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
3956         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
3957         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
3958         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
3959         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
3960         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
3961         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
3962         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
3963         (darwin_fix_and_continue_switch): Delete.
3964         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
3965         (SUBTARGET_SWITCHES): Delete.
3966         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
3967         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
3968         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
3969         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
3970         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
3971         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
3972         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
3973         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
3974         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
3975         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
3976         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
3977         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
3978         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
3979         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
3980         (TARGET_64BIT): Undef before redefining.
3981         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
3982         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
3983         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
3984         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
3985         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
3986         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
3987         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
3988         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
3989         (ix86_debug_arg_string, ix86_debug_addr_string)
3990         (ix86_align_loops_string, ix86_align_jumps_string)
3991         (ix86_align_funcs_string): Delete.
3992         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
3993         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
3994         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
3995         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
3996         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
3997         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
3998         (SUBTARGET_SWITCHES): Delete.
3999         * config/i386/i386.c (ix86_debug_arg_string): Delete.
4000         (ix86_debug_addr_string): Delete.
4001         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
4002         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
4003         (ix86_align_loops_string, ix86_align_jumps_string)
4004         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
4005         (ix86_align_funcs_string): Make static.
4006         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4007         (ix86_handle_option): New function.
4008         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
4009         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
4010         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
4011         of darwin_fix_and_continue_switch.
4012         (darwin_one_byte_bool): Delete.
4013         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
4014         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
4015         to darwin_one_byte_bool.
4016         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
4017         * config/i386/djgpp.opt, config/i386/i386.opt,
4018         * config/i386/sco5.opt: New files.
4020 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4022         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
4023         fp_zero_operand, fp_register_operand, intreg_operand,
4024         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
4025         call_operand, call_operand_address, tgd_symbolic_operand,
4026         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
4027         symbolic_operand, symbolic_memory_operand, label_ref_operand,
4028         sp64_medium_pic_operand, data_segment_operand,
4029         text_segment_operand, splittable_symbolic_memory_operand,
4030         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
4031         eq_or_neq, normal_comp_operator, noov_compare_op,
4032         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
4033         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
4034         const64_operand, const64_high_operand, arith11_operand,
4035         arith10_operand, arith_double_operand, arith_double_4096_operand,
4036         arith_double_add_operand, arith11_double_operand,
4037         arith10_double_operand, small_int, small_int_or_double,
4038         uns_small_int, uns_arith_operand, clobbered_register,
4039         input_operand, compare_operand): Delete.
4040         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
4041         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
4042         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
4043         (GEN_HIGHINT64, GEN_INT64): Delete.
4044         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
4045         gen_safe_XOR64): Adjust for above deletion.
4046         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
4047         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
4048         (legitimate_constant_p): Use const_zero_operand instead.
4049         (sparc_extra_constraint_check): Likewise.
4050         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
4051         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
4052         (PREDICATE_CODES): Delete.
4053         * config/sparc/sparc.md: Include predicates.md.
4054         (All patterns): Adjust for new predicate names.
4055         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
4056         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
4057         (movdi): Use general_operand predicate.
4058         (movdi_sp64_dbl): Delete.
4059         (movdi_const64_special): Add 'N' constraint.
4060         (movdicc): Use arith10_operand predicate.
4061         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
4062         (movdi_cc_reg_sp64): Use arith10_operand predicate.
4063         (movdi_cc_reg_sp64_trunc): Delete.
4064         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
4065         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
4066         (subdi3_sp32): Delete.
4067         (subdi3_insn_sp32): Change to define_insn_and_split.
4068         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
4069         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
4070         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
4071         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
4072         small_int_operand predicate.
4073         (divdi3, udivdi3): Use arith_operand predicate.
4074         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
4075         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
4076         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
4077         (xordi3_sp64_dbl): Delete.
4078         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
4079         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
4080         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
4081         cmp_ccx_set_not): Use arith_operand predicate.
4082         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
4083         * config/sparc/predicates.md: New file.
4085 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
4087         PR tree-optimization/14846
4088         * fold-const.c (fold_single_bit_test_into_sign_test): New,
4089         split out from ...
4090         (fold_single_bit_test): ... here.
4091         (fold_binary): Call fold_single_bit_test_into_sign_test
4092         instead of fold_single_bit_test.
4094 2005-04-20  James E Wilson  <wilson@specifixinc.com>
4096         PR c++/20805
4097         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
4098         is another declaration.
4100 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
4102         * config/cris/predicates.md: New file.
4103         * config/cris/cris-protos.h (cris_store_multiple_op_p)
4104         (cris_movem_load_rest_p): Declare.
4105         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
4106         (cris_movem_load_rest_p): Ditto.  Globalize.
4107         (cris_bdap_operand, cris_bdap_biap_operand,
4108         cris_orthogonal_operator, cris_commutative_orth_op,
4109         cris_operand_extend_operator,
4110         cris_additive_operand_extend_operator, cris_extend_operator,
4111         cris_plus_or_bound_operator, cris_mem_op,
4112         cris_general_operand_or_symbol,
4113         cris_general_operand_or_gotless_symbol,
4114         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
4115         cris_load_multiple_op): Remove predicate functions.
4116         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
4117         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
4118         * config/cris/cris.h (PREDICATE_CODES): Don't define.
4119         * config/cris/cris.md: Include predicates.md.
4120         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
4122 2005-04-20  Ian Lance Taylor  <ian@airs.com>
4124         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
4125         * c-common.h (STMT_EXPR_STMT): Don't define.
4126         (STMT_EXPR_NO_SCOPE): Don't define.
4127         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
4128         * c-pretty-print.c (pp_c_primary_expression): Likewise.
4129         (pp_c_expression): Likewise.
4131 2005-04-20  Richard Henderson  <rth@redhat.com>
4133         PR target/21100
4134         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
4136 2005-04-20  Jeff Law  <law@redhat.com>
4138         * reload1.c (reload): Ignore equivalences between pseudos and
4139         read only memory.
4141 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
4143         PR c/12913
4144         * c-tree.h (struct c_label_list): Update comment.
4145         (struct c_label_context): Rename to struct c_label_context_se.
4146         (label_context_stack): Rename to label_context_stack_se.
4147         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
4148         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
4149         c_end_vm_scope): New.
4150         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
4151         * c-decl.c (pop_scope): Call c_end_vm_scope.
4152         (pushdecl): Call c_begin_vm_scope for variably modified
4153         declarations.
4154         (define_label): Check for jumping into scope of identifier with
4155         variably modified type.  Push label on stack for those defined at
4156         current context of identifiers with variably modified type.
4157         (start_function): Create stack level for context of identifiers
4158         with variably modified type.
4159         (finish_function): Pop stack level for context of identifiers with
4160         variably modified type.
4161         * c-typeck.c (label_context_stack): Rename to
4162         label_context_stack_se.
4163         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
4164         (c_finish_goto_label): Check for jumping into scope of identifier
4165         with variably modified type.  Push label on stack for those jumped
4166         to from current context of identifiers with variably modified
4167         type.
4168         (struct c_switch): Add blocked_vm.
4169         (c_start_case): Initialize blocked_vm.
4170         (do_case): Check blocked_vm.
4171         (c_finish_case): Add comment.
4172         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
4173         variable label_context_stack.
4175 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
4177         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
4178         conditional_replacement, value_replacement, abs_replacement,
4179         minmax_replacement.
4180         (replace_phi_edge_with_variable): Remove argument BB.
4181         (conditional_replacement, value_replacement,
4182         minmax_replacement, abs_replacement): Remove argument PHI_BB.
4183         Update a call to replace_phi_edge_with_variable.
4185         * tree-ssa-phiopt.c: Fix comments.
4187 2005-04-20  Michael Matz  <matz@suse.de>
4189         PR20973
4190         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
4191         pseudos.
4193 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
4195         * tree-ssa-phiopt.c: Fix comment typos.
4197         PR tree-optimization/21116
4198         * tree-ssa-phiopt.c: Fix a typo.
4200 2005-04-19  Richard Henderson  <rth@redhat.com>
4202         * builtins.c (expand_builtin_sync_operation): Revert last change.
4203         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
4204         not vs new value.
4205         (expand_compare_and_swap_loop): Likewise.
4206         (expand_sync_operation): Remove fallback from NAND to AND; invert
4207         memory operand when expanding from cmpxchg.
4208         (expand_sync_fetch_operation): Likewise.
4209         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
4210         compare-and-swap.
4212         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
4213         when implementing NAND.  Fix double-add for AFTER.
4214         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
4215         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
4216         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
4217         memory value.
4218         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
4219         memory barrier.
4221         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
4222         to return old memory value.
4223         (sync_compare_and_swap_cc<IMODE>): Likewise.
4225         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
4226         return pre-reload.  Don't consider output or anti dependencies.
4227         * config/ia64/sync.md (IMODE): New.
4228         (modesuffix): Add QI and HI.
4229         (memory_barrier): Simplify expansion.
4230         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
4231         (cmpxchg_acq_<IMODE>): Likewise.
4232         (sync_lock_test_and_set<IMODE>): Likewise.
4233         (sync_lock_release<IMODE>): Likewise.
4235 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
4237         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
4238         ~X or ~Y simplify.
4240 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
4242         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
4244 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
4245             Joseph S. Myers  <joseph@codesourcery.com>
4247         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
4248         * c-typeck.c (build_c_cast): Check these options.
4249         * doc/invoke.texi: Document these options.
4251 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
4253         * tree-ssa-phiopt.c: Update a comment about the pass.
4255 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
4257         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
4258         config/mcore/mcore.c: Fix comment typos.
4260 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
4262         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
4263         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
4265 2005-04-19  Paul Brook  <paul@codesourcery.com>
4267         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
4269 2005-04-19  Andrew Haley  <aph@redhat.com>
4271         PR java/21022
4272         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
4273         looking at a field's bitpos.
4275 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4277         * system.h (fopen, fdopen, freopen): Define these to the unlocked
4278         libiberty functions.
4280 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
4282         PR tree-optimization/21096
4283         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
4285 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
4287         PR target/21098
4288         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
4289         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
4291 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
4293         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
4294         refers to the function being dumped.
4296 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
4298         * varasm.c (assemble_start_function): Remove reset of in_section.
4300 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
4302         PR tree-optimization/21085
4303         * fold-const (fold_binary): Don't change X % -C to X % C if C has
4304         overflowed.
4306 2005-04-19  Ben Elliston  <bje@au.ibm.com>
4308         * doc/invoke.texi (Optimize Options): Refer to the correct
4309         optimisation flag -ftree-dominator-opts, not -ftree-dom.
4311 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
4313         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
4314         alloca argument to be big enough.
4316 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
4318         PR middle-end/21049
4319         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
4320         cfun->cfg are NULL.
4322 2005-04-18  Tom Tromey  <tromey@redhat.com>
4324         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
4325         typo.
4327 2005-04-18  Richard Henderson  <rth@redhat.com>
4329         * config/alpha/alpha.c (alpha_split_atomic_op): New.
4330         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
4331         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
4332         * config/alpha/alpha-protos.h: Update.
4333         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
4334         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
4335         (attr type): Add ld_l, st_c, mb.
4336         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
4337         iornotsi3, xorsi_internal, xornotsi3): New.
4338         * config/alpha/ev4.md (ev4_ld): Add ld_l.
4339         (ev4_ist_c, ev4_mb): New.
4340         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
4341         (ev5_ld_l): New.
4342         * config/alpha/ev6.md (ev6_ild): Add ld_l.
4343         (ev6_ist): Add st_c.
4344         (ev6_mb): New.
4345         * config/alpha/sync.md: New file.
4347 2005-04-18  Richard Henderson  <rth@redhat.com>
4349         * builtins.c (expand_builtin_sync_operation): Fold nand to and
4350         for constants.
4352         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
4354 2005-04-18  Devang Patel  <dpatel@apple.com>
4356         * config/rs6000/atlivec.md (mulv4si3): New pattern.
4357         
4358 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
4360         PR tree-optimization/20922
4361         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
4362         Fold X + c >= X and fold X - c <= X to true.
4364 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
4366         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
4367         unsigned int.
4368         (emergency_labeled_state_free): Likewise.
4370 2005-04-18  Nick Clifton  <nickc@redhat.com>
4372         * config/h8300/h8300.md (jump): Remove prescan parameter from
4373         calls to final_scan_insn.
4375         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
4376         parameter from calls to final_scan_insn.
4378         * config.gcc (m68hc12): Use the m68hc11.opt file for target
4379         specific options.
4380         (v850e, v850e1): Use the v850.opt file for target specific
4381         options.
4383 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
4385         PR tree-optimization/21001
4386         * tree-optimize.c (init_tree_optimization_passes): Move the
4387         first pass_forwprop immediately before pass_vrp.
4389 2005-04-17  Ian Lance Taylor  <ian@airs.com>
4391         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
4392         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
4393         from enum tree_code op to bool is_sizeof.
4394         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
4395         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
4396         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
4397         case.
4398         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
4399         cases.
4400         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
4401         ALIGNOF_EXPR cases.
4403 2005-04-17  Ian Lance Taylor  <ian@airs.com>
4405         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
4407 2005-04-17  Richard Henderson  <rth@redhat.com>
4409         * config/alpha/alpha.c (va_list_skip_additions): Only define if
4410         TARGET_ABI_OSF.
4411         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
4412         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
4413         of indirection through ssa names while looking for the gpr counter
4414         field.
4415         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
4416         saved va_list_gpr_size and va_list_fpr_size.
4418 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
4420         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
4421         both pointers or both integers.
4423         * tree-vrp.c (maybe_add_assert_expr): Don't assert
4424         ASSERT_EXPRs for single-use variable.
4426         * tree-into-ssa.c: Fix a comment typo.
4428 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
4430         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
4431         -mipsN before forcing a default of -mips2.
4433 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
4435         * predict.h (IS_TAKEN): Remove.
4436         * rtl.h (NOTE_PREDICTION): Likewise.
4438         * modulo-sched.c (CFG_HOOKS): Remove.
4440         * c-parser.c (N_C_TTYPES): Remove.
4442         * tree-flow-inline.h (get_stmt_operands): Remove.
4443         * lambda-code.c, tree-ssa-loop-unswitch.c,
4444         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
4445         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
4446         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
4447         calls to get_stmt_operands.
4448         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
4450 2005-04-17  Richard Henderson  <rth@redhat.com>
4452         PR target/20375
4453         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
4454         of CUMULATIVE_ARGS past the last named argument.
4455         (alpha_va_start): Expect pretend_args_size only if strictly less than
4456         6 named arguments.
4458 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
4460         PR middle-end/21024
4461         * builtins.c (expand_builtin_strcat): Convert the result of
4462         strlen to the right type.
4463         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
4464         avoid creating type mismatches.
4465         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
4466         type mismatches.
4468         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
4470 2005-04-16  Richard Henderson  <rth@redhat.com>
4472         PR target/21051
4473         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
4474         Use the mode of boolean_type_node when the user doesn't provide one.
4475         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
4477 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
4479         PR target/20126
4480         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
4481         (const)).
4483         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
4484         comment.
4486 2005-04-16  Roger Sayle  <roger@eyesopen.com>
4487             Steven Bosscher  <stevenb@suse.de>
4489         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
4490         (fold_unary_to_constant): Likewise.
4492 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
4494         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
4495         PROP_ASM_SCAN.
4497 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
4499         * doc/install.texi (Specific): Avoid using asterisks in @anchor
4500         names related to target triplets.
4501         Remove i?86-*-esix from platform directory.
4502         Remove powerpc-*-eabiaix from platform directory.
4504 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
4506         PR middle-end/20491
4507         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
4508         falling through from SUBREG case to REG.
4510 2005-04-15  Roger Sayle  <roger@eyesopen.com>
4512         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
4513         (fold_binary): Update comment mentioning fold_relational_hi_lo.
4514         (fold_binary_to_constant): Simplify using fold_binary.
4515         (fold_unary_to_constant): Likewise, simplify using fold_unary.
4517 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4519         * gthr-posix.c (pthread_cancel): Define.
4520         (pthread_mutexattr_init): Likewise.
4521         (pthread_mutexattr_settype): Likewise.
4522         (pthread_mutexattr_destroy): Likewise.
4524 2005-04-15  David S. Miller  <davem@davemloft.net>
4526         PR target/20673
4527         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
4529 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4531         PR tree-optimization/21031
4532         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
4533         (forward_propagate_into_cond_1): Call it.  Forward propagate
4534         integer-integer casts into COND_EXPRs.
4536 2005-04-15  Dave Korn  <dave.korn@artimi.com>
4538         * gcc.c (default_compilers): Clarify obscure error message when
4539         reading from standard input.
4541 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4543         * basic-block.h (PROP_EQUAL_NOTES): Remove.
4544         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
4546         * tree-ssa-alias.c (init_alias_info): Remove a call to
4547         get_stmt_operands.
4549 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
4551         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
4552         of non-virtual PHI nodes like we use to.
4554 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
4556         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
4557         (attr_copy_rtx): Do not use it.
4559 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
4561         * doc/tree-ssa.texi: Grammer/abbreviation updates.
4563 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
4565         * tree-vect-transform.c (vectorizable_store): Mark necessary
4566         objects in the vectorized store needing renaming.  Update the
4567         SSA graph for V_MAY_DEF operands in the original store.
4569 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
4571         * tree-ssa-pre.c (compute_avail): It's okay to have
4572         TREE_INVARIANT's here, and value number the resulting expressions.
4573         (create_expression_by_pieces): Make sure operands that were
4574         min_invariant when we started, stay that way.
4576 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
4578         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
4580 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4582         PR tree-optimization/20936.
4583         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
4585 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4587         * doc/invoke.texi: Fix typos.
4588         * doc/md.texi: Likewise.
4589         * doc/rtl.texi: Likewise.
4590         * doc/sourcebuild.texi: Likewise.
4591         * doc/tm.texi: Likewise.
4593 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
4595         PR tree-optimization/21004
4596         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
4597         and floorl in c99 mode only.
4598         * builtins.c (expand_builtin_int_roundingfn): Assert that
4599         fallback_fndecl is not NULL_TREE.
4601 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4603         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
4604         * basic-block.h: Update the prototype for
4605         purge_all_dead_edges.
4606         * cfgexpand.c (tree_expand_cfg): Update a call to
4607         purge_all_dead_edges.
4608         * combine.c (combine_instructions): Likewise.
4609         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
4610         rest_of_handle_cse2, rest_of_handle_gcse,
4611         rest_of_handle_postreload): likewise.
4613 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
4615         PR middle-end/20739
4616         * gimplify.c (gimplify_addr_expr): Compensate for removal of
4617         e.g. cv-qualification conversions.
4619 2005-04-14  Mike Stump  <mrs@apple.com>
4621         * config/darwin-c.c (framework_construct_pathname): We must
4622         find all headers of a framework in the first instance of it
4623         found in the seach path.
4625 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
4627         PR tree-optimization/21021
4628         * tree-vrp.c (compare_values): Work around a bug in the front
4629         end that produces a comparison of mismatched types.
4631 2004-04-14  Richard Henderson  <rth@redhat.com>
4633         * config/ia64/ia64.h (enum fetchop_code): Remove.
4634         (enum ia64_builtins): Move ...
4635         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
4636         members except BSP and FLUSHRS.
4637         (ia64_init_builtins): Remove __sync builtins.
4638         (ia64_expand_builtin): Likewise.
4639         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
4640         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
4641         (ia64_expand_lock_release): Remove.
4642         * config/ia64/ia64.md (mf): Move to sync.md.
4643         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
4644         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
4645         * config/ia64/sync.md: New file.
4646         (memory_barrier): Rename from mf.
4647         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
4648         (cmpxchg_acq_<I48MODE>): Likewise.
4649         (sync_lock_test_and_set<I48MODE>): Likewise.
4651         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
4652         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
4654 2004-04-14  Richard Henderson  <rth@redhat.com>
4656         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
4657         (ix86_compare_emitted): New.
4658         (ix86_expand_compare): Use ix86_compare_emitted if set.
4659         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
4660         and ix86_compare_op0 are set.
4661         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
4662         (TARGET_CMPXCHG, TARGET_XADD): New.
4663         (ix86_compare_emitted): Declare.
4664         * config/i386/i386.md: Include sync.md
4665         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
4666         (UNSPECV_XCHG, UNSPECV_LOCK): New.
4667         * config/i386/sync.md: New file.
4669 2004-04-14  Richard Henderson  <rth@redhat.com>
4671         PR middle-end/14311
4672         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
4673         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
4674         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
4675         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
4676         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
4677         BT_FN_I8_VPTR_I8_I8): New.
4678         * builtins.def (DEF_SYNC_BUILTIN): New.
4679         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
4680         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
4681         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
4682         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
4683         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
4684         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
4685         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
4686         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
4687         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
4688         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
4689         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
4690         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
4691         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
4692         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
4693         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
4694         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
4695         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
4696         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
4697         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
4698         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
4699         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
4700         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
4701         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
4702         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
4703         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
4704         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
4705         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
4706         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
4707         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
4708         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
4709         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
4710         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
4711         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
4712         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
4713         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
4714         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
4715         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
4716         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
4717         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
4718         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
4719         BUILT_IN_SYNCHRONIZE: New.
4720         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
4721         as a function.  Accept __sync_ as a prefix as well.
4722         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4723         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
4724         expand_builtin_lock_release): New.
4725         (expand_builtin): Call them.
4726         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
4727         neither BOTH_P nor FALLBACK_P are defined.
4728         (builtin_type_for_size): New.
4729         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
4730         (resolve_overloaded_builtin): New.
4731         * c-common.h (resolve_overloaded_builtin): Declare.
4732         (builtin_type_for_size): Declare.
4733         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
4734         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
4735         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
4736         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
4737         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
4738         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
4739         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
4740         sync_compare_and_swap_cc, sync_lock_test_and_set,
4741         sync_lock_release): New.
4742         * optabs.h: Declare them.
4743         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
4744         expand_sync_operation, expand_sync_fetch_operation,
4745         expand_sync_lock_test_and_set): Declare.
4746         * genopinit.c (optabs): Add sync optabs.
4747         * optabs.c (init_optabs): Initialize sync optabs.
4748         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
4749         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
4750         expand_sync_operation, expand_sync_fetch_operation,
4751         expand_sync_lock_test_and_set): New.
4752         * doc/extend.texi (Atomic Builtins): New section
4753         * doc/md.texi (Standard Names): Add sync patterns.
4755 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
4757         * tree-eh.c (lower_try_finally_copy): Generate new code in
4758         response to goto_queue entries as if the queue was sorted by
4759         index, not pointers.
4760         (lower_try_finally_switch): Likewise.
4762 2005-04-14  Richard Henderson  <rth@redhat.com>
4764         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
4765         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
4766         register.
4767         (ix86_expand_fp_movcc): Update to match.
4768         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
4769         * config/i386/i386-protos.h: Update.
4770         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
4771         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
4773 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
4775         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
4776         refer to 4.0.
4778 2005-04-14  Julian Brown  <julian@codesourcery.com>
4780         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
4781         link failures on ppc64 Linux.
4783 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
4785         * config.gcc: Set cpu_type for s390.
4787 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
4789         Fix PR tree-optimization/20963
4790         * tree-ssa-pre.c (compute_avail): Remove special case for
4791         TREE_INVARIANT.
4792         (create_expression_by_pieces): Add value numbers for forced out
4793         statements.
4795 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
4797         * config/cris/cris.md: Replace references to (reg:SI 16) with
4798         (reg:SI CRIS_SRP_REGNUM).
4800 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
4802         PR tree-optimization/20657
4803         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
4804         create an appropriate range from it.
4806 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
4808         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
4809         <UNSPEC_FIST_CEIL> case.
4811         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
4812         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
4813         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
4814         to implement lfloor and llfloor built-ins as x87 intrinsic function.
4815         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
4816         (lfloor<mode>2): New expanders.
4817         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
4818         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
4819         to implement lceil and llceil built-ins as x87 intrinsic function.
4820         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
4821         (lceil<mode>2): New expanders.
4823 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
4825         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
4826         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
4828 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
4830         PR target/20927
4831         * config/s390/s390-modes.def: Define TFmode.
4833 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
4835         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
4836         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4837         * config/mips/mips.c (mips16_insn_length): Remove reference to
4838         JUMP_TABLES_IN_TEXT_SECTION.
4840 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
4842         * simplify-rtx.c (simplify_binary_operation_1): Return
4843         scalar or vector of constant 0, depending on the xor's
4844         mode.
4846 2005-04-13  Dale Johannesen  <dalej@apple.com>
4848         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
4849         (objc-act.o):  Ditto.
4850         * objc/objc-act.c (objc_gimplify_expr):  New.
4851         (objc_get_callee_fndecl):  New.
4852         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
4853         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
4854         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
4856 2005-04-13  Devang Patel  <dpatel@apple.com>
4858         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
4859         temp variables.
4861 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
4863         CRIS prologue as RTL.
4864         * config/cris/cris-protos.h (cris_emit_movem_store)
4865         (cris_expand_prologue): Prototype.
4866         * config/cris/cris.c (struct machine_function): New member
4867         stdarg_regs.
4868         (cfa_label_num, cris_target_asm_function_prologue): Remove.
4869         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
4870         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
4871         (cris_load_multiple_op, cris_return_address_on_stack)
4872         (cris_return_address_on_stack_for_return): ISO-Cify.
4873         (cris_store_multiple_op): New predicate function.
4874         (cris_expand_prologue, cris_emit_movem_store): New functions.
4875         (cris_print_operand) <case 'O'>: Handle modifications other than
4876         post-increment.
4877         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
4878         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
4879         (cris_gen_movem_load): Rearrange slightly to make local variable
4880         src a parameter, removing osrc.
4881         (cris_setup_incoming_varargs): Set machine_function member
4882         stdarg_regs to correspond to the number of registers that need to
4883         be saved.
4884         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
4885         CRIS_UNSPEC_GOT.
4886         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
4887         cris_general_operand_or_gotless_symbol accept UNSPEC.
4888         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
4889         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
4890         ("*cris_store_multiple"): New pattern.  Tweak common comment above
4891         this and "*cris_load_multiple".
4892         ("prologue"): New define_expand.
4894         * config/cris/cris.md ("epilogue"): Conditionalize on
4895         TARGET_PROLOGUE_EPILOGUE.
4897 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
4899         PR target/20924
4900         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
4901         fpsr 0 instead of fpsr 1.
4902         (divsf3_internal_thr): Ditto.
4903         (divdf3_internal_lat): Ditto.
4904         (divdf3_internal_thr): Ditto.
4905         (divxf3_internal_lat): Ditto.
4906         (divxf3_internal_thr): Ditto.
4908 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
4910         PR tree-optimization/20913
4911         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
4913         PR tree-optimization/20702
4914         * tree-vrp.c (maybe_add_assert_expr): Recurse into
4915         dominator children that haven't been walked into.
4917 2005-04-13  Julian Brown  <julian@codesourcery.com>
4919         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
4920         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
4921         is true.
4923 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
4925         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
4926         config/i386/sse.md: Fix comment typos.
4928         * genattrtab.c (NULL_ATTR): Remove.
4929         * ifcvt.c (NULL_EDGE): Likewise.
4931         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
4933         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
4934         NOTE_PREDICT): Remove.
4936 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4938         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
4939         * configure: Regenerate.
4940         * config.in: Likewise.
4941         * system.h: Declare vsnprintf if not already declared.
4943 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4945         * optc-gen.awk: Handle stand-alone Mask records.
4946         * opth-gen.awk: Likewise.
4947         * doc/options.texi (Option file format): Document them.
4948         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
4949         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
4950         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
4951         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
4952         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
4953         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
4954         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
4955         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
4956         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
4957         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
4958         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
4959         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
4960         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
4961         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
4962         TARGET_LONG_DOUBLE_128): Likewise.
4963         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
4964         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
4965         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
4966         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
4967         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
4968         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
4969         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
4970         * config/sparc/sparc.c (fpu_option_set): New global.
4971         (sparc_handle_option): New function.
4972         (sparc_override_options): Test fpu_option_set.
4973         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
4974         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
4975         * config/sparc/sparc.opt: New file.
4976         * config/sparc/little-endian.opt: Likewise.
4977         * config/sparc/long-double-switch.opt: Likewise.
4979 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
4981         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
4982         (bfin_handle_options): Set it if -mshared-library-id= is seen.
4983         * config/bfin/bfin.opt (mshared-library-id=): Lose
4984         Var(bfin_lib_id_given).
4986 2005-04-13  Matt Thomas  <matt@3am-software.com>
4988         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
4989         defining.
4991 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
4993         * rtl.h (CLEAR_RTX_FLAGS): Remove.
4995         * cgraphunit.c (INSNS_PER_CALL): Remove.
4997         * tree-ssa-forwprop.c (vars,
4998         record_single_argument_cond_exprs,
4999         substitute_single_use_vars): Remove.
5000         (forward_propagate_into_cond_1, forward_propagate_into_cond):
5001         New.
5002         (tree_ssa_forward_propagate_single_use_vars): Call
5003         forward_propagate_into_cond for each COND_EXPR.
5005         * tree-inline.c (INSNS_PER_STMT): Remove.
5007 2005-04-12  Richard Henderson  <rth@redhat.com>
5009         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
5010         (ix86_expand_sse_fp_minmax): ... from ...
5011         (ix86_expand_fp_movcc): ... here.
5012         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
5013         * config/i386/i386-protos.h: Update.
5014         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
5015         (sse_setccsf, sse_setccdf): Allow before reload.
5016         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
5017         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
5018         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
5019         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
5020         (anddf3, nanddf3, iordf3, xordf3): New.
5022 2005-04-12  Jeff Law  <law@redhat.com>
5024         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
5025         (tree-ssa-uncprop.o): Add dependencies.
5026         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
5027         * tree-flow.h (remove_useless_stmts): Remove prototype.
5028         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
5029         remove_useless_stmts.
5030         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
5031         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
5032         * tree-pass.h (pass_uncprop): Declare.
5033         * tree-ssa-uncprop.c: New file.
5035 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
5037         PR target/20670
5038         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
5040 2005-04-12  Caroline Tice  <ctice@apple.com>
5042         Temporary fix for partitioning problems.
5043         * passes.c (rest_of_handle_final): Remove code that
5044         frees unlikely_text_section_name,
5045         * varasm.c (assemble_start_function): Test for partitioning
5046         flag before writing out section labels.
5047         (assemble_end_function): Test for partitioning flag before
5048         writing out section labels.
5050 2005-04-12  Steven Bosscher  <stevenb@suse.de>
5051             Stuart Hastings <stuart@apple.com>
5052             Jan Hubicka  <jh@suse.cz>
5054         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
5055         references to gt-tree-cfg.h.
5056         * basic-block.h (struct basic_block_def): Don't skip rbi
5057         for garbage collection.
5058         (struct reorder_block_def): Make GTY-able.
5059         (struct control_flow_graph): New structure.
5060         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
5061         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
5062         but instead defines to the control_flow_graph for cfun.
5063         (label_to_block_map): New define, points to the label map of
5064         the control_flow_graph for cfun.
5065         (n_edges_for_function, n_basic_blocks_for_function,
5066         last_basic_block_for_function, basic_block_info_for_function,
5067         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
5068         basic_block_info_for_function, label_to_block_map_for_function):
5069         Counterparts for the above, taking a struct function as an extra
5070         argument.
5071         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
5072         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
5073         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
5074         (alloc_rbi_pool, free_rbi_pool): Remove.
5075         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
5076         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
5077         here...
5078         (cfg_layout_finalize) ... and don't free it here.
5079         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
5080         garbage collected.
5081         * flow.c (free_basic_block_vars): Set label_to_block_map and
5082         n_edges to zero too.
5083         * function.h (struct function): Add cfg field.
5084         * function.c (allocate_struct_function): Allocate the cfg.
5085         * tree-cfg.c (label_to_block_map): Remove.
5086         (build_tree_cfg): Don't allocate the rbi pool here...
5087         (delete_tree_cfg_annotations): ...and don't free it here.
5088         Also don't nullify label_to_block_map for cfun.
5090 2005-04-12  Caroline Tice  <ctice@apple.com>
5092         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
5093         Revert my patch from April 9.
5094         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
5095         (reorder_basic_blocks): Revert my patch from April 9.
5096         (insert_section_boundary_note): Revert my patch from April 9.
5097         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
5098         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
5099         (COLD_END_LABEL):  Revert my patch from April 9.
5100         (cold_text_section_label):  Revert my patch from April 9.
5101         (cold_end_label): Revert my patch from April 9.
5102         (dwarf2out_switch_text_section): Revert my patch from April 9.
5103         (output_aranges): Revert my patch from April 9.
5104         (output_ranges):  Revert my patch from April 9.
5105         (output_line_info): Revert my patch from April 9.
5106         (add_location_or_const_value_attribute):  Revert my patch from April 9.
5107         (dwarf2out_var_location): Revert my patch from April 9.
5108         (dwarf2out_init):  Revert my patch from April 9.
5109         (dwarf2out_finish): Revert my patch from April 9.
5110         * function.h (struct function): Revert my patch from April 9.
5111         * opts.c (decode_options): Revert my patch from April 9.
5112         * output.h (unlikely_section_label, hot_section_label,
5113         hot_section_end_label, cold_section_end_label,
5114         unlikely_text_section_name): Revert my patch from April 9.
5115         * passes.c (rest_of_handle_final): Revert my patch from April 9.
5116         * varasm.c (unlikely_section_label, hot_section_label,
5117         hot_section_end_label, cold_section_end_label,
5118         unlikely_text_section_name): Revert my patch from April 9.
5119         (initialize_cold_section_name): Revert my patch from April 9.
5120         (unlikely_text_section): Revert my patch from April 9.
5121         (in_unlikely_text_section): Revert my patch from April 9.
5122         (named_section): Revert my patch from April 9.
5123         (function_section): Revert my patch from April 9.
5124         (current_function_section): Revert my patch from April 9.
5125         (assemble_start_function): Revert my patch from April 9.
5126         (assemble_end_function): Revert my patch from April 9.
5127         (default_section_type_flags_1): Revert my patch from April 9.
5129 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5131         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
5132         * config/sparc/sparc.md (untyped_call): Save the registers manually.
5134         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
5136 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
5138         PR middle-end/20917
5139         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
5140         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
5142 2004-04-12  Richard Henderson  <rth@redhat.com>
5144         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
5145         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
5146         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
5147         (UNSPEC_*, UNSPECV_*): Renumber.
5149 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
5151         PR mudflap/19266
5152         From Richard Henderson <rth@redhat.com>:
5153         * tree-mudflap.c (mf_build_check_statement_for): Correct block
5154         splitting logic.
5156 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
5158         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
5160 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5162         * config/bfin/bfin.c (bfin_library_id_string): Remove.
5163         (bfin_library_id): New variable.
5164         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
5165         instead of bfin_library_id_string.
5166         (bfin_handle_option): New function.
5167         (override_options): Remove most code to deal with shared library IDs,
5168         just check they aren't used without -mid-shared-library.
5169         (TARGET_HANDLE_OPTION): Define.
5170         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
5171         * config/bfin/bfin.opt (mshared-library-id=): New.
5173 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
5175         * tree-vect-transform.c: Fix comment typos.
5177 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
5179         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
5180         split critical edges when not possible/profitable.
5182 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
5184         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
5185         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
5186         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
5187         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
5188         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
5189         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
5190         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
5191         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
5192         MASK_NO_BITFIELD.
5193         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
5194         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5195         * config/ns32k/ns32k.opt: New file.
5197 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
5199         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
5200         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
5201         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
5202         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
5203         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
5204         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
5205         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
5206         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
5207         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
5208         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
5209         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
5210         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
5211         (MASK_COLDFIRE): Formatting fixes.
5212         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
5213         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
5214         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
5215         "_current_shared_library_a5_offset_".
5216         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5217         (MASK_ALL_CPU_BITS): New macro.
5218         (m68k_handle_option): New function.
5219         (override_options): Remove handling of m68k_library_id_string.
5220         * config/m68k/m68k.opt: New file.
5221         * config/m68k/ieee.opt: New file.
5223 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
5225         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
5226         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
5227         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
5228         (TARGET_CXX): Adjust accordingly.
5229         * target.h (struct gcc_target): Remove epxort_class_data.  Add
5230         determine_class_data_visibility and class_data_always_comdat.
5231         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
5232         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
5233         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
5234         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
5235         (arm_cxx_determine_class_data_visibility): New.
5236         (arm_cxx_class_data_always_comdat): Likewise.
5237         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
5238         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
5239         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
5240         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
5241         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
5242         Define.
5244 2005-04-11  Devang Patel  <dpatel@apple.com>
5246         * tree-data-ref.c (build_classic_dist_vector,
5247         compute_subscript_distance): Make externally visible.
5248         * tree-data-ref.h (build_classic_dist_vector,
5249         compute_subscript_distance): Same.
5250         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
5251         Check distance vector against vectorization factor.
5252         (vect_analyze_loop): Determine vectorizaion factor before
5253         analyzing data dependences.
5254         * tree-vectorizer.c (loops_num): Make it externally visible and
5255         rename ...
5256         * tree-vectorizer.c (vect_loops_num): ... new name.
5257         * tree-vectorizer.h  (vect_loops_num): New.
5259 2005-04-11  Devang Patel  <dpatel@apple.com>
5261         * tree-vect-analyze.c (vect_analyze_operations): Check
5262         vectorizable codition.
5263         * tree-vect-transform.c (vect_is_simple_cond): New function.
5264         (vectorizable_condition): New function.
5265         (vect_transform_stmt): Handle condition_vec_info_type.
5266         * tree-vectorizer.h (enum stmt_vec_info_type): Add
5267         condition_vec_info_type.
5268         (vectorizable_condition): New.
5270 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
5272         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
5273         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
5274         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
5276         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
5277         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
5279         * dwarf2out.c (output_line_info): Don't try to dereference
5280         a NULL current_function_decl.
5282         * config/t-slibgcc-darwin: Don't put shared libraries in
5283         directories other than $(slibdir).
5284         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
5285         OS uses for it.
5287 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
5289         PR tree-optimization/20933
5290         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
5291         logic to reject aliases between read-only and writable
5292         variables ...
5293         (may_alias_p): ... here.
5294         (get_tmt_for): Do not associate read-only tags to pointers
5295         whose pointed-to type is not read-only.
5296         * tree-ssa.c (verify_ssa): Check that memory stores have at
5297         least one V_MAY_DEF or V_MUST_DEF.
5299 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5301         PR/17092
5302         * configure.ac (gcc_UNLOCKED_FUNCS): New.
5303         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
5304         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
5305         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
5306         _unlocked function.
5307         (fwrite_unlocked): Fix prototype.
5309         * configure, config.in: Regenerate.
5311 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
5313         * tree-ssa-loop-im.c: Include real.h.
5314         (determine_invariantness_stmt): If real division divisor is
5315         invariant and flag_unsafe_math_optimizations enabled, generate
5316         invariant reciprocal for hoisting.
5317         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
5319 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
5321         Fix PR tree-optimization/20926
5323         * tree-ssa-alias.c (add_type_alias): Handle subvars.
5325 2005-04-11  Devang Patel  <dpatel@apple.com>
5327         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
5328         operand ordering.
5330 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
5332         * fold-const.c (fold_binary_op_with_conditional_arg):
5333         use fold_buildN instead of "fold (buildN" in some
5334         non obvious places.
5335         (fold_unary): Likewise.
5336         (fold_binary): Likewise.
5338 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
5340         Fix PR tree-optimization/20612
5341         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
5342         handling
5343         (perfect_nestify): preheaderbb is *not* part of loop of the
5344         old destination.
5346 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
5348         * tree-ssa-alias.c (may_alias_p): If the variable
5349         is a global variable and the pointer is parameter
5350         and -fargument-noalias-global is used, then
5351         the pointer cannot alias the variable.
5353 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
5355         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
5356         * config/sparc/sparc.h: Likewise.
5357         * config/sparc/sparc.md: Likewise.
5359 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
5361         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
5363         * tree-vrp.c: Fix a comment typo.
5365 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
5367         PR tree-optimization/20920
5368         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
5369         SSA_NAME flows through an abnormal edge.
5370         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
5371         through abnormal edges.
5372         (maybe_add_assert_expr): Likewise.
5374 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
5376         * config/s390/s390.h (s390_tune_string, s390_arch_string)
5377         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
5378         (s390_stack_size_string, s390_stack_guard_string, target_flags)
5379         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
5380         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
5381         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
5382         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
5383         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
5384         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
5385         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
5386         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
5387         (TARGET_HANDLE_OPTION): Likewise.
5388         (s390_tune): Initialize to PROCESSOR_max.
5389         (s390_arch_string): Make static.
5390         (s390_tune_string, s390_warn_framesize_string): Delete.
5391         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
5392         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
5393         (s390_handle_arch_option, s390_handle_option): New functions.
5394         (override_options): Remove parsing of option strings.
5395         * config/s390/s390.opt: New file.
5397 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
5399         * tree-complex.c (expand_vector_operations): Call
5400         update_stmt_if_modified.
5402 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
5404         * tree-vect-analyze (vect_determine_vectorization_factor):
5405         Do not use GET_MODE_NUNITS.
5406         * tree-vect-transform.c (vect_get_vec_def_for_operand,
5407         (vectorizable_load, vect_transform_loop): Likewise.
5409 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
5411         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
5412         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
5413         * optabs.h (enum optab_index): Add new OTI_lceil.
5414         (lceil_optab): Define corresponding macro.
5415         * optabs.c (init_optabs): Initialize lceil_optab.
5416         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
5417         and lceildi2 patterns.
5418         * builtins.c (expand_builtin_int_roundingfn): Handle
5419         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
5420         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
5421         BUILT_IN_LLCEIL{,F,L}.
5422         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
5423         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
5424         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
5425         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
5426         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
5427         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
5428         into lceil built-in function and (long long int)ceil{,f,l} into
5429         llceil built-in function.
5430         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
5431         BUILT_IN_LLCEIL.
5433 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5435         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
5436         zero.
5438 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
5440         * config/arm/arm.c: Fix a comment typo.
5441         * doc/tree-ssa.texi: Fix a typo.
5443 2005-04-10  Steven Bosscher  <stevenb@suse.de>
5445         * cselib.c (clear_table): Rename to cselib_clear_table.
5446         * cselib.h (cselib_clear_table): Add prototype.
5447         * gcse.c (gcse_main): Make 'f' argument unused.
5448         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
5449         of each basic block instead.
5450         (compute_sets, compute_hash_table_work): Likewise.
5451         (constprop_register): Change int 'alter_jumps' argument to bool.
5452         (do_local_cprop): Likewise.
5453         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
5454         the insn chain.  Explicitly clear the cselib tables after finishing
5455         one basic block.  Make sure there are no unterminated libcall blocks.
5456         Update compute_sets call.
5457         (cprop): Walk basic blocks instead of the insn chain.
5458         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
5459         Likewise.
5460         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
5461         one_cprop_pass calls.
5463 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
5465         * combine.c (combine_simplify_rtx): Remove a transformation that
5466         relies on an invalid assumption about rtl sign-extension semantics.
5468 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
5470         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
5471         to build_int_cst_wide.
5473 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
5475         PR target/20126
5476         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
5477         set the original address pseudo to the correct value before the
5478         original insn, if possible, and leave the insn alone, otherwise
5479         create a new pseudo, set it and replace it in the insn.
5480         * recog.c (validate_change_maybe_volatile): New.
5481         * recog.h (validate_change_maybe_volatile): Declare.
5483 2005-04-09  Caroline Tice  <ctice@apple.com>
5485         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
5486         Remove targetm.have_named_sections test.
5487         (fix_edges_for_rarely_executed_code): Likewise.
5488         (insert_section_boundary_note): Likewise.
5489         (reorder_basic_blocks): Check partitioning flag before calling
5490         verify_hot_cold_block_grouping.
5491         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
5492         the function struct rather than global variables.
5493         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
5494         (COLD_END_LABEL): Likewise
5495         (cold_text_section_label): New static global variable.
5496         (cold_end_label): Likewise.
5497         (dwarf2out_switch_text_section): Get hot/cold section labels from
5498         the function struct rather than global variables.
5499         (output_aranges): Use cold_text_section_label and cold_end_label;
5500         check partitioning flag before putting out delta.
5501         (output_ranges): Remove incorrect code attempting to use
5502         hot/cold labels.
5503         (output_line_info): Get cold section label from function struct.
5504         (add_location_or_const_value_attribute): Likewise.
5505         (get_subprogram_die): Get hot/cold section labels from function struct.
5506         (dwarf2out_var_location): Likewise.
5507         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
5508         write out cold_text_section_label if partition flag is set.
5509         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
5510         * function.h (struct function): Add new fields to point to hot/cold
5511         section labels: hot_section_label, cold_section_label,
5512         hot_section_end_label and cold_section_end_label; also add new field
5513         for cold text section name, unlikely_text_section_name.
5514         * opts.c (decode_options): Turn off partitioning flag if
5515         !targetm.have_named_sections.
5516         * output.h (hot_section_label): Remove.
5517         (hot_section_end_label): Remove.
5518         (cold_section_end_label): Remove.
5519         (unlikely_section_label): Remove.
5520         (unlikely_text_section_name): Remove.
5521         * passes.c (rest_of_handle_final):  Remove code that frees
5522         unlikely_text_section_name.
5523         * varasm.c (unlikely_section_label): Remove.
5524         (hot_section_label): Remove.
5525         (hot_section_end_label): Remove.
5526         (cold_section_end_label): Remove.
5527         (unlikely_text_section_name):  Remove.
5528         (initialize_cold_section_name): Modify to call
5529         targetm.strip_name_encoding; to store cold section name in current
5530         function struct, if it exists; and to only use the decl_section_name
5531         if flag_named_sections is true.
5532         (unlikely_text_section): Modify to get section name out of current
5533         function struct, if there is one; otherwise build it from
5534         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
5535         (in_unlikely_text_section): Likewise.
5536         (named_section): Modify to get/put cold section name in current function
5537         struct, if there is one.
5538         (function_section):  Change 'bool unlikely' to 'int reloc'; check
5539         targetm.have_named_sections before calling named_section.
5540         (current_function_section): Likewise.
5541         (assemble_start_function): Modify to get/put unlikely_text_section_name
5542         in current function struct; modify to get hot/cold section labels
5543         from function struct; initialize labels using
5544         ASM_GENERATE_INTERNAL_LABEL;
5545         test partitioning flag before writing out hot section label.
5546         (assemble_end_function): Test partitioning flag before writing out
5547         hot/cold section labels.
5548         (default_section_type_flags_1):  Modify to use array instead of
5549          char* for unlikely_text_section_name; set flags correctly for
5550          cold text section if there is not a current function decl.
5552 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
5554         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
5555         and TI_VA_LIST_FPR_COUNTER_FIELD.
5556         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
5557         * tree-pass.h (pass_stdarg): Add.
5558         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
5559         * tree-stdarg.c: New file.
5560         * tree-stdarg.h: New file.
5561         * Makefile.in (OBJS-common): Add tree-stdarg.o.
5562         (tree-stdarg.o): Add dependencies.
5563         * function.h (struct function): Add va_list_gpr_size and
5564         va_list_fpr_size fields.
5565         * function.c (allocate_struct_function): Initialize them.
5566         * target.h (struct gcc_target): Add stdarg_optimize_hook.
5567         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
5568         (TARGET_INITIALIZER): Add it.
5570         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
5571         va_list_{g,f}pr_counter_field.
5572         (ix86_setup_incoming_varargs): Don't do anything if reg_save
5573         area will not be used.  Only save registers that tree-stdarg.c
5574         detected they need saving.
5575         (ix86_va_start): Don't set up fields that won't be used.
5577         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
5578         va_list_{g,f}pr_counter_field.
5579         (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         (rs6000_va_start): Don't set up fields that won't be used.
5584         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
5585         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
5586         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
5587         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
5589 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
5591         PR target/20795
5592         * config/i386/i386.c (construct_container): Pass empty aligned
5593         struct, union or class in memory.
5595 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
5597         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
5598         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
5599         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
5600         config/rs6000/predicates.md: Fix comment typos.
5602         * sched-int.h (haifa_insn_data): Remove blockage and units.
5603         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
5604         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
5605         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
5607 2005-04-09  Jan Hubicka  <jh@suse.cz>
5608             Steven Bosscher  <stevenb@suse.de>
5610         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
5611         * cfgloop.c (get_loop_exit_edges): Likewise.
5612         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
5613         (unloop): Likewise.
5614         * loop-unroll.c (analyze_insns_in_loop): Likewise.
5615         * tree-cfg.c (dump_cfg_status): Likewise.
5617 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
5619         * config/rs6000/predicates.md (altivec_register_operand): Remove
5620         redundant match_code test.
5621         (gpc_reg_operand): Same.
5622         (cc_reg_operand): Same.
5623         (cc_reg_not_cr0_operand): Same.
5625 2005-04-09  Jan Hubicka  <jh@suse.cz>
5627         Forgotten hunk from my last merge patch:
5628         * final.c (output_addr_const): Do not call mark_referenced.
5630 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
5632         * doc/tree-ssa.texi: Add immediate use documentation.
5634 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
5636         * arm.c (FL_WBUF): Define.
5637         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
5638         (arm_is_6_or_7): Delete.
5639         (arm_tune_wbuf): New.
5640         (arm_override_options): Set arm_tune_wbuf.
5641         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
5642         (arm_is_6_or_7): Delete declaration.
5643         (arm_tune_wbuf): New declartion.
5644         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
5645         (model_wbuf): Derive from arm_tune_wbuf.
5646         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
5647         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
5648         (arm740t): Mark CPUs as having a write buffer.
5650 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
5652         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
5653         of 'const_double_operand' in operand 2 constraints.  Update enable
5654         condition.
5656 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
5658         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
5659         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
5660         * optabs.h (enum optab_index): Add new OTI_lfloor.
5661         (lfloor_optab): Define corresponding macro.
5662         * optabs.c (init_optabs): Initialize lfloor_optab.
5663         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
5664         and lfloordi2 patterns.
5665         * builtins.c (expand_builtin_int_roundingfn): New prototype.
5666         (expand_builtin_int_roundingfn): New function.
5667         (fold_builtin_int_roundingfn): New prototype.
5668         (fold_builtin_int_roundingfn): New function, renamed from
5669         fold_builtin_lround.
5670         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
5671         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
5672         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
5673         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
5674         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
5675         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
5676         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
5677         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
5678         into lfloor built-in function and (long long int)floor{,f,l} into
5679         llfloor built-in function.
5680         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
5681         BUILT_IN_LLFLOOR.
5683 2005-04-08  Ian Lance Taylor  <ian@airs.com>
5685         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
5686         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
5687         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
5688         (DO_COND, DO_BODY): Likewise.
5689         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
5690         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
5691         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
5692         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
5693         (build_continue_stmt, build_break_stmt): Don't declare.
5694         (c_do_switch_warnings): Update declaration.
5695         * c-gimplify.c (enum bc_t): Remove.
5696         (struct c_gimplify_ctx, ctxp): Remove.
5697         (push_context, pop_context): Remove static functions.
5698         (c_genericize): Don't call push_context or pop_context.
5699         (begin_bc_block, finish_bc_block): Remove static functions.
5700         (build_bc_goto): Likewise.
5701         (gimplify_c_loop): Likewise.
5702         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
5703         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
5704         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
5705         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
5706         * c-common.c (c_do_switch_warnings): Rename from
5707         c_do_switch_warnings_1.
5708         (c_do_switch_warnings) [old version]: Remove.
5709         (c_do_switch_expr_warnings): Remove.
5710         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
5711         function instead of c_do_switch_expr_warnings.
5712         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
5713         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
5714         * c-pretty-print.c (pp_c_statement): Likewise.
5715         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
5717 2005-04-08  Devang Patel  <dpatel@apple.com>
5719         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
5720         While selecting replacement condition pay attention to loop header.
5722 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
5724         Merge from tree-cleanup-branch: VRP, store CCP, store
5725             copy-prop, incremental SSA updating of FUD chains and
5726             newly exposed symbols.
5728         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
5729         (OBJS-common): Add tree-vrp.o.
5730         (tree-vrp.o): New rule.
5731         * basic-block.h (nearest_common_dominator_for_set): Declare.
5732         * common.opt (ftree-store-ccp): New flag.
5733         (ftree-copy-prop): New flag.
5734         (ftree-vrp): New flag.
5735         (ftree-store-copy-prop): New flag.
5736         * dominance.c (nearest_common_dominator_for_set): New.
5737         * domwalk.c (walk_dominator_tree): Only traverse
5738         statements in blocks marked in walk_data->interesting_blocks.
5739         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
5740         * fold-const.c (fold): Handle ASSERT_EXPR.
5741         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
5742         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
5743         flag_tree_vrp at -O2.
5744         * timevar.def (TV_TREE_VRP): Define.
5745         (TV_TREE_COPY_PROP): Define.
5746         (TV_TREE_STORE_COPY_PROP): Define.
5747         (TV_TREE_SSA_INCREMENTAL): Define.
5748         (TV_TREE_STORE_CCP): Define.
5749         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
5750         to kill_redundant_phi_nodes from comment.
5751         (verify_expr): Handle ASSERT_EXPR.
5752         * tree-dfa.c (mark_new_vars_to_rename): Remove second
5753         argument.  Update all users.
5754         (mark_call_clobbered_vars_to_rename): Remove.  Update all
5755         users.
5756         * tree-flow-inline.h (unmodifiable_var_p): New.
5757         * tree-flow.h (enum value_range_type): Declare.
5758         (struct value_range_def): Declare.
5759         (value_range): Declare.
5760         (remove_all_phi_nodes_for): Remove.  Update all users.
5761         (find_phi_node_for): Declare.
5762         (add_type_alias): Declare.
5763         (count_uses_and_derefs): Declare.
5764         (kill_redundant_phi_nodes): Remove.
5765         (rewrite_into_ssa): Remove.
5766         (rewrite_def_def_chains): Remove.
5767         (update_ssa, register_new_name_mapping, create_new_def_for,
5768         need_ssa_update_p, name_registered_for_update_p,
5769         release_ssa_name_after_update_ssa, dump_repl_tbl,
5770         debug_repl_tbl, dump_names_replaced_by,
5771         debug_names_replaced_by, mark_sym_for_renaming,
5772         mark_set_for_renaming, get_current_def, set_current_def,
5773         get_value_range, dump_value_range, debug_value_range,
5774         dump_all_value_ranges, debug_all_value_ranges,
5775         expr_computes_nonzero, loop_depth_of_name,
5776         unmodifiable_var_p): Declare.
5777         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
5778         ASSERT_EXPR.
5779         * tree-into-ssa.c (block_defs_stack): Update comment.
5780         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
5781         syms_to_rename, names_to_release, repl_tbl,
5782         need_to_initialize_update_ssa_p, need_to_update_vops_p,
5783         need_to_replace_names_p): New locals.
5784         (NAME_SETS_GROWTH_FACTOR): Define.
5785         (struct repl_map_d): Declare.
5786         (struct mark_def_sites_global_data): Add field
5787         interesting_blocks.
5788         (enum rewrite_mode): Declare.
5789         (REGISTER_DEFS_IN_THIS_STMT): Define.
5790         (compute_global_livein): Use last_basic_block instead of
5791         n_basic_blocks.
5792         (set_def_block): Remove last argument.  Update all callers.
5793         (prepare_use_operand_for_rename): Remove.  Update all callers.
5794         (prepare_def_operand_for_rename): Remove.  Update all callers.
5795         (symbol_marked_for_renaming): New.
5796         (is_old_name): New.
5797         (is_new_name): New.
5798         (repl_map_hash): New.
5799         (repl_map_eq): New.
5800         (repl_map_free): New.
5801         (names_replaced_by): New.
5802         (add_to_repl_tbl): New.
5803         (add_new_name_mapping): New.
5804         (mark_def_sites): Assume that all the operands in the
5805         statement are in normal form.
5806         (find_idf): Assert that the block in the stack is valid.
5807         (get_default_def_for): New.
5808         (insert_phi_nodes_for): Add new argument 'update_p'.
5809         Add documentation.
5810         If update_p is true, add a new mapping between the LHS of
5811         each new PHI and the name that it replaces.
5812         (insert_phi_nodes_1): Only call find_idf if needed.
5813         (get_reaching_def): Call get_default_def_for.
5814         (rewrite_operand): Remove.
5815         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
5816         and REWRITE_THIS_STMT are false.
5817         Assume that all the operands in the statement are in
5818         normal form.
5819         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
5820         (rewrite_virtual_phi_arguments): Remove.
5821         (invalidate_name_tags): Remove.
5822         (register_new_update_single, register_new_update_set,
5823         rewrite_update_init_block, replace_use,
5824         rewrite_update_fini_block, rewrite_update_stmt,
5825         rewrite_update_phi_arguments): New.
5826         rewrite_blocks): Remove argument 'fix_virtual_phis'.
5827         Add arguments 'entry', 'what' and 'blocks'.
5828         Initialize the dominator walker according to 'what' and
5829         'blocks'.
5830         Start the dominator walk at 'entry'.
5831         (mark_def_site_blocks): Add argument 'interesting_blocks'.
5832         Use it to configure the dominator walker.
5833         (rewrite_into_ssa): Remove argument 'all'.
5834         Make internal.
5835         (rewrite_all_into_ssa): Remove.
5836         (rewrite_def_def_chains): Remove.
5837         (mark_def_interesting, mark_use_interesting,
5838         prepare_phi_args_for_update, prepare_block_for_update,
5839         prepare_def_site_for, prepare_def_sites,
5840         dump_names_replaced_by, debug_names_replaced_by,
5841         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
5842         delete_update_ssa, create_new_def_for,
5843         register_new_name_mapping, mark_sym_for_renaming,
5844         mark_set_for_renaming, need_ssa_update_p,
5845         name_registered_for_update_p, ssa_names_to_replace,
5846         release_ssa_name_after_update_ssa,
5847         insert_updated_phi_nodes_for, update_ssa): New.
5848         * tree-loop-linear.c (linear_transform_loops): Call
5849         update_ssa instead of rewrite_into_ssa.
5850         * tree-optimize.c (vars_to_rename): Remove.
5851         Update all users.
5852         (init_tree_optimization_passes): Replace
5853         pass_redundant_phi with pass_copy_prop.
5854         Add pass_vrp.
5855         Replace pass_ccp with pass_store_ccp.
5856         Add pass_store_copy_prop after pass_store_ccp.
5857         (execute_todo): If the TODO_ flags don't include updating
5858         the SSA form, assert that it does not need to be updated.
5859         Call update_ssa instead of rewrite_into_ssa and
5860         rewrite_def_def_chains.
5861         If TODO_verify_loops is set, call verify_loop_closed_ssa.
5862         (tree_rest_of_compilation):
5863         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
5864         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
5865         TODO_cleanup_cfg): Renumber.
5866         (TODO_verify_loops, TODO_update_ssa,
5867         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
5868         TODO_update_ssa_only_virtuals): Define.
5869         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
5870         Declare.
5871         * tree-phinodes.c (make_phi_node): Update documentation.
5872         (remove_all_phi_nodes_for): Remove.
5873         (find_phi_node_for): New.
5874         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
5875         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
5876         (interpret_rhs_modify_expr): Likewise.
5877         * tree-sra.c (decide_instantiations): Mark all symbols in
5878         SRA_CANDIDATES for renaming.
5879         (mark_all_v_defs_1): Rename from mark_all_v_defs.
5880         (mark_all_v_defs): New function.  Update all users to call it
5881         with the whole list of scalarized statements, not just the
5882         first one.
5883         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
5884         (compute_flow_insensitive_aliasing): If the tag is
5885         unmodifiable and the variable isn't or vice-versa, don't
5886         make them alias of each other.
5887         (setup_pointers_and_addressables): If the type tag for
5888         VAR is about to change, mark the old one for renaming.
5889         (add_type_alias): New.
5890         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
5891         (ccp_lattice_t): Rename from latticevalue.
5892         (value): Remove.  Update all users.
5893         (const_val): New local variable.
5894         (do_store_ccp): New local variable.
5895         (dump_lattice_value): Handle UNINITIALIZED.
5896         (debug_lattice_value): New.
5897         (get_default_value): Re-write.
5898         (set_lattice_value): Re-write.
5899         (def_to_varying): Remove.  Update all users.
5900         (likely_value): Return VARYING for statements that make
5901         stores when STORE_CCP is false.
5902         Return VARYING for any statement other than MODIFY_EXPR,
5903         COND_EXPR and SWITCH_EXPR.
5904         (ccp_initialize): Re-write.
5905         (replace_uses_in, replace_vuse_in, substitute_and_fold):
5906         Move to tree-ssa-propagate.c.
5907         (ccp_lattice_meet): Handle memory stores when
5908         DO_STORE_CCP is true.
5909         (ccp_visit_phi_node): Likewise.
5910         (ccp_fold): Likewise.
5911         (evaluate_stmt): Likewise.
5912         (visit_assignment): Likewise.
5913         (ccp_visit_stmt): Likewise.
5914         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
5915         into DO_STORE_CCP.
5916         (do_ssa_ccp): New.
5917         (pass_ccp): Use it.
5918         (do_ssa_store_ccp): New.
5919         (gate_store_ccp): New.
5920         (pass_store_ccp): Declare.
5921         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
5922         (may_propagate_copy): Reformat.
5923         Don't abort if ORIG is a virtual and DEST isn't.
5924         If NEW does not have alias information but DEST does,
5925         copy it.
5926         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
5927         copy_prop_kind, which_copy_prop): Declare.
5928         (stmt_may_generate_copy, get_copy_of_val,
5929         get_last_copy_of, set_copy_of_val, dump_copy_of,
5930         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
5931         copy_prop_visit_stmt, copy_prop_visit_phi_node,
5932         init_copy_prop, fini_copy_prop, execute_copy_prop,
5933         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
5934         store_copy_prop): New.
5935         (pass_copy_prop, pass_store_copy_prop): Declare.
5936         * tree-ssa-dom.c (struct opt_stats_d): Add fields
5937         'num_const_prop' and 'num_copy_prop'.
5938         (cprop_operand): Update them.
5939         (dump_dominator_optimization_stats): Dump them.
5940         (tree_ssa_dominator_optimize): Call update_ssa instead of
5941         rewrite_into_ssa.
5942         (loop_depth_of_name): Declare extern.
5943         (simplify_cond_and_lookup_avail_expr): Guard against NULL
5944         values for LOW or HIGH.
5945         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
5946         (record_equivalences_from_stmt): Call expr_computes_nonzero.
5947         (cprop_operand): Only propagate if VAL != OP.
5948         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
5949         statement for renaming.
5950         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
5951         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
5952         add_type_alias if necessary.
5953         Call mark_new_vars_to_rename.
5954         (tree_ssa_iv_optimize): If new symbols need to be renamed,
5955         mark every statement updated, call update_ssa and
5956         rewrite_into_loop_closed_ssa.
5957         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
5958         from LIVEIN if VAR is a virtual.
5959         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
5960         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
5961         (get_call_expr_operands): Reformat statement.
5962         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
5963         symbols.
5964         * tree-ssa-propagate.c (ssa_prop_init): Initialize
5965         SSA_NAME_VALUE for every name.
5966         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
5967         get_value_loaded_by): New.
5968         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
5969         substitute_and_fold): Move from tree-ssa-ccp.c.
5970         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
5971         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
5972         get_value_loaded_by, replace_uses_in, substitute_and_fold):
5973         Declare.
5974         * tree-ssa.c (verify_use): Fix error message.
5975         (propagate_into_addr, replace_immediate_uses, get_eq_name,
5976         check_phi_redundancy, kill_redundant_phi_nodes,
5977         pass_redundant_phi): Remove.  Update all users.
5978         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
5979         add_type_alias, if necessary.
5980         * tree-vectorizer.h (struct _stmt_vect_info): Update
5981         documentation for field 'memtag'.
5982         * tree-vrp.c: New file.
5983         * tree.def (ASSERT_EXPR): Define.
5984         * tree.h (ASSERT_EXPR_VAR): Define.
5985         (ASSERT_EXPR_COND): Define.
5986         (SSA_NAME_VALUE_RANGE): Define.
5987         (struct tree_ssa_name): Add field 'value_range'.
5988         (PHI_REWRITTEN): Remove.
5989         (struct tree_phi_node): Remove field 'rewritten'.
5990         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
5991         -ftree-store-copy-prop): Document.
5992         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
5993         Document usage of update_ssa.
5995 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
5997         PR target/20814
5998         * config/rs6000/predicates.md (altivec_register_operand): Accept
5999         SUBREG.
6000         (and64_operand): Do not limit CONST_INT to mask64_operand.
6001         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
6002         (and_operand): Do not limit CONST_INT to mask_operand.
6004 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
6006         PR rtl-optimization/20466
6007         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
6008         for overlap of the address of each list member.
6009         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
6011 2005-04-08  Mike Stump  <mrs@apple.com>
6013         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
6015         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
6016         instead of 4.
6018 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
6020         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
6022         * function.c (push_function_context_to): Don't set
6023         contains_functions.
6024         * function.h (function): Remove contains_functions.
6025         (current_function_contains_functions): Remove.
6027         * function.h (function): Remove instrument_entry_exit.
6028         (current_function_instrument_entry_exit): Remove.
6030         * function.h (nonlocal_labels): Remove.
6032         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
6034         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
6035         (check_attr_value, write_attr_get, write_expr_attr_cache,
6036         find_attr, make_internal_attr): Don't reference negative_ok or
6037         unsigned_p.
6038         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
6039         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
6040         (ATTR_STATIC): Adjust the value.
6042         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
6044 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
6046         * config/s390/tpf.h (ASM_SPEC): Define.
6048 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
6050         * tree-flow.h: Remove the prototype for
6051         redirect_immediate_uses.
6052         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
6054 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
6056         * arm.c (arm_const_double_by_parts): New function.
6057         * arm-protos.h (arm_const_double_by_parts): Add prototype.
6058         * arm.md (define_split for 64-bit constants): Add another one.
6060 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
6062         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
6064 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6066         * system.h: Revert last change.
6068 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
6070         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
6071         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
6072         (TARGET_SWITCHES): Delete.
6073         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
6074         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
6075         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
6076         * config/xtensa/xtensa.opt: New file.
6078 2005-04-08  Ben Elliston  <bje@au.ibm.com>
6080         * config/fp-bit.c: Include L_mul_tf in #endif comment.
6081         * config/fp-bit.h: Tidy comments.
6083 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6085         * system.h: Poison PARAMS.
6087 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
6089         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
6090         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
6091         (TARGET_SWITCHES): Delete.
6092         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
6093         * config/vax/vax.opt: New file.
6095 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
6097         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
6099 2005-04-07  Ian Lance Taylor  <ian@airs.com>
6101         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
6102         define.
6103         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
6104         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
6105         Likewise.
6107 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
6109         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
6110         all immediate uses in PHI nodes.
6112 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
6114         * arm.c (arm_const_double_inline_cost): Handle any constant by
6115         using gen_lowpart and gen_highpart_mode.
6116         (note_invalid_constants): All constants in an RTX with a constraint
6117         that permits memory are now pushed to the constant pool.
6118         (output_move_double): Delete code to handle reg to reg and
6119         constant to reg moves.
6120         (const_double_needs_minipool, output_mov_immediate): Delete.
6121         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
6122         CONST_INT and CONST_VECTOR.
6123         * arm.md (ANY64): New mode macro.
6124         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
6125         (movdf_soft_insn): Split reg-reg and const-reg moves.
6126         (split patterns for 64-bit constant and register moves): New.
6127         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
6128         (cirrus_movdf_hard_insn): Likewise.
6129         * fpa.md (movdf_fpa): Likewise.
6130         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
6131         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
6132         constraints.
6133         (movv2si_internal_2): Likewise.
6134         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
6135         (movdf_vfp): Likewise.
6136         * arm-protos.h (output_mov_immediate): Delete prototype.
6138 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
6140         PR target/20093
6141         * simplify-rtx.c (simplify_unary_operation_1): Check
6142         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
6144 2005-04-06  James E Wilson  <wilson@specifixinc.com>
6146         PR target/20717
6147         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
6148         ADDR_EXPR.
6150 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
6152         * coverage.h (GCOV_TYPE_NODE): Delete.
6153         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
6154         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
6155         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
6156         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
6157         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
6159 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
6161         PR other/20792
6162         * Makefile.in (gcc.pot): Remove options.c dependency.
6163         * optc-gen.awk: Don't quote help strings with N_().
6165 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
6167         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
6168         the function returns a pointer type.
6170 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
6172         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
6173         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
6174         * doc/invoke.texi: Documnet salias-max-implicit-fields.
6175         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
6176         explicit_uses members.
6177         (get_or_create_used_part_for): Initialize new fields.
6178         (fieldoff_compare): New function.
6179         (create_overlap_variables_for): Count number of fields, use
6180         heuristic to determine whether to create subvars for vars with
6181         only implicit uses.
6182         Sort the field list by offset and avoid creating duplicate SFT's.
6184 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
6186         * c.opt (-F): Remove trailing whitespace from help string.
6187         (-finput-charset): Use a tab to separate the switch name and help
6188         string.
6189         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
6190         (-ftree-vectorizer-verbose): Likewise.
6192 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
6194         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
6195         a PHI argument where a use occurs instead of all PHI arguments.
6197 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
6199         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
6200         scope.
6202 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
6204         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
6205         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
6206         config/bfin/bfin.h: Fix comment typos.
6208 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
6210         * doc/install.texi: Update the URL for Jacks.
6211         * doc/sourcebuild.texi: Likewise.
6213 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
6215         PR target/17245
6216         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
6217         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
6219 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
6221         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
6223 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
6225         * config/v850/v850-protos.h (override_options): Delete.
6226         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
6227         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
6228         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
6229         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
6230         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
6231         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
6232         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
6233         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
6234         (OVERRIDE_OPTIONS): Delete.
6235         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
6236         (small_memory_info): Remove the value field.
6237         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
6238         TARGET_NO_APP_REGS.
6239         * config/v850/v850.c (small_memory): Remove the value field.
6240         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6241         (override_options): Delete.
6242         (v850_handle_memory_option, v850_handle_option): New functions.
6243         * config/v850/v850.opt: New file.
6245 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
6247         * config.host: Add a section for generic hosts, and a subsection
6248         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
6249         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
6250         * config/host-darwin.h: New.
6251         * config/x-darwin: New.
6252         * config/i386/host-i386-darwin.c: New.
6253         * config/i386/x-darwin: New.
6254         * config/rs6000/host-darwin.c: Include host-darwin.h.
6255         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
6256         (darwin_rs6000_gt_pch_use_address): Likewise.
6257         * config/rs6000/x-darwin: Change name of .o built, update
6258         dependencies for changes to rs6000/host-darwin.c.
6260 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
6262         PR target/17824
6263         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
6265 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
6267         * tree-vect-analyze.c (vect_analyze_loop_form): Call
6268         split_loop_exit_edge instead of loop_split_edge_with.
6270 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
6272         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
6273         UNSPEC_SET_VSCR): New constants, used throughout.
6274         (*andc3_v4sf): New.
6275         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
6276         Replace with...
6277         (altivec_vspltis<VI_char>): ... this pattern, using
6278         a QImode const_int_operand for the immediate.
6279         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
6280         define_expands.
6282 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
6284         PR target/17822
6285         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
6287 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
6289         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
6291 2005-04-06  Ben Elliston  <bje@au.ibm.com>
6293         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
6294         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
6295         macros as living in "this file" and not gcc.h.
6297 2005-04-06  Ben Elliston  <bje@au.ibm.com>
6299         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
6300         -ftree-live_range_split.  Perhaps renamed at some point?
6302 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
6304         PR target/20625
6305         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
6306         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
6308 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
6310         * tree-flow.h (number_of_iterations_cond): Declaration removed.
6311         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
6312         (number_of_iterations_special): New function.
6313         (number_of_iterations_exit): Use number_of_iterations_special.
6314         Use simplify_using_outer_evolutions only at -O3.
6315         (number_of_iterations_cond, tree_simplify_using_condition,
6316         simplify_using_initial_conditions, loop_niter_by_eval,
6317         compare_trees, can_count_iv_in_wider_type_bound,
6318         simplify_using_outer_evolutions): Use fold_build.
6320 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
6322         * doc/install.texi (Configuration): Document --with-java-home.
6324 2005-04-05  Richard Henderson  <rth@redhat.com>
6326         PR target/20342
6327         PR target/20447
6328         * config/i386/i386.c (print_operand): Handle vector zeros.
6329         (ix86_split_to_parts): Handle CONST_VECTOR.
6330         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
6331         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
6332         what modes to tie for MMX and SSE registers.
6333         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
6334         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
6335         to vector modes as well.
6336         * config/i386/predicates.md (const0_operand): Handle VOIDmode
6337         properly as an input mode.
6339 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
6341         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
6343 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
6345         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
6347 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
6349         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
6350         and local functions, set sse_nregs to 8 and float_in_sse.
6351         (function_arg_advance, function_arg): If float_in_sse, pass
6352         SFmode and DFmode arguments in SSE registers.
6353         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
6355         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
6356         of -funit-at-a-time.
6358 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
6360         * config/i386/i386-protos.h (ix86_function_value): Accept two
6361         arguments, like the target macro.
6362         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
6363         * config/i386/i386.c (ix86_function_value): Accept the second
6364         argument of the target macro.
6365         (ix86_function_ok_for_sibcall): Pass a function pointer to
6366         ix86_function_value.
6367         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
6368         call to ix86_value_regno).
6369         (ix86_value_regno): Add support for returning floating point values
6370         in SSE registers.
6372 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
6374         PR tree-optimization/20076
6375         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
6376         that call __builtin_return or __builtin_apply_args.
6378 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
6380         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
6381         Use immediate use iterator.
6382         (stmt_is_bumper_for_loop): Use immediate use iterator.
6383         * predict.c (strip_builtin_expect): Use update_stmt.
6384         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
6385         on all elements of a STATEMENT_LIST.
6386         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
6387         (bsi_remove): Remove imm_use links and mark the stmt as modified.
6388         (bsi_replace): Mark stmt as modified and the update it.
6389         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
6390         (expand_complex_libcal): Call update_stmt.
6391         (expand_complex_comparison): Call mark_stmt_modified.
6392         (expand_complex_operations_1): Call update_stmt_if_modified.
6393         (expand_vector_operations_1): Call mark_stmt_modified.
6394         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
6395         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
6396         add_immediate_use, redirect_immediate_use,
6397         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
6398         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
6399         (mark_new_vars_to_rename): Call update_stmt.
6400         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
6401         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
6402         Ignore PHI nodes.
6403         (unmodify_stmt): Delete.
6404         (update_stmt): New.  Force an update of a stmt.
6405         (update_stmt_if_modified): update a stmt if it is out of date.
6406         (get_stmt_operands): Verify stmt is NOT modified.
6407         (stmt_modified_p): Update comment.
6408         (delink_imm_use): Remove a use node from its immuse list.
6409         (link_imm_use_to_list): Link a use node to a specific list.
6410         (link_imm_use): Link a node to the correct list.
6411         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
6412         it in the correct list, if appropriate.
6413         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
6414         (relink_imm_use): Link a use node in place of another node in a list.
6415         (relink_imm_use_stmt): LInk a node in place of another node, and set
6416         the stmt pointer.
6417         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
6418         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
6419         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
6420         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
6421         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
6422         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
6423         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
6424         (has_zero_uses): New.  Return true if there are no uses of a var.
6425         (has_single_use): New.  Return true if there is only a single use of a
6426         variable.
6427         (single_imm_use): New.  Return the simgle immediate use.
6428         (num_imm_uses): New.  Return the number of immediate uses.
6429         (get_v_must_def_ops): Use is now a pointer.
6430         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
6431         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
6432         the use node.
6433         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
6434         (delink_stmt_imm_use): Delink all immuses from a stmt.
6435         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
6436         * tree-flow.h (struct dataflow_d): Delete.
6437         (immediate_use_iterator_d): New.  Immediate use iterator struct.
6438         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
6439         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
6440         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
6441         iteration.
6442         (struct stmt_ann_d): Remove dataflow_t from struct.
6443         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
6444         (if_convertible_phi_p): Use FAST immuse iterator.
6445         (if_convertible_loop_p): Don't call compute_immediate_uses.
6446         (replace_phi_with_cond_modify_expr): Call update_stmt.
6447         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
6448         update_stmt_if_modified.
6449         (rewrite_all_into_ssa): Initialize ssa operands.
6450         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
6451         compute_immediate_uses.
6452         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
6453         ssa_property is available.
6454         (execute_one_pass):  Change parameters passed to execute_todo.
6455         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
6456         (remove_ssa_form): Call fini_ssa_operands.
6457         (insert_backedge_copies): Delete call to modify_stmt.
6458         * tree-phinodes.c (make_phi_node): Initialize use nodes.
6459         (release_phi_node): Delink any use nodes before releasing.
6460         (resize_phi_node): Relink any use nodes.
6461         (remove_phi_arg_num): Delink the use node.
6462         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
6463         (remove_all_phi_nodes_for): Release phi node first.
6464         * tree-pretty-print.c (dump_generic_node): Print stmt address.
6465         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
6466         (scalarize_use, scalarize_copy): Call update_stmt.
6467         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
6468         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
6469         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
6470         (ccp_initialize): Remove call to compute_immediate_uses.
6471         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
6472         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
6473         stmts.
6474         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
6475         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
6476         (eliminate_redundant_computations): Call mark_stmt_modified.
6477         (cprop_operand): Call mark_stmt_modified.
6478         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
6479         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
6480         (dse_optimize_stmt): Use new immuse interface.
6481         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
6482         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
6483         (substitute_single_use_vars): Use new immuse interface.
6484         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
6485         and compute_immediate_uses.
6486         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
6487         interface.
6488         (rewrite_mem_refs): Call update_stmt.
6489         (determine_lsm): Remove call to compute_imm_uses and free_df.
6490         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
6491         (try_unroll_loop_completely): Call update_stmt.
6492         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
6493         (rewrite_use_compare): Call update_stmt.
6494         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
6495         (rewrite_use) : Call update_stmt.
6496         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
6497         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
6498         update_stmt.
6499         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
6500         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
6501         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
6502         use nodes.
6503         (initialize_vuse_operand): New.  Initialize a vuse operand.
6504         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
6505         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
6506         (finalize_ssa_defs): Use stmt parameter.
6507         (correct_use_link): Ensure a use node is in the correct list, and has
6508         the correct stmt pointer.
6509         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
6510         finalize_ssa_v_must_defs): Also initialize use nodes.
6511         (finalize_ssa_stmt_operands): Pass extra stmt operands.
6512         (build_ssa_operands): Seperate parsing from final operand construction.
6513         (parse_ssa_operands): New.  Parse entry point for operand building.
6514         (swap_tree_operands): New.  Swap 2 tree operands.
6515         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
6516         operands.
6517         (get_expr_operands): Call swap_tree_operands when needed.
6518         (copy_virtual_operands): Use initialize routines for virtual use ops.
6519         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
6520         (verify_abort): New.  Issue imm_use error.
6521         (verify_imm_links): New Verify imm_use links for a var.
6522         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
6523         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
6524         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
6525         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
6526         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
6527         (NULL_USE_OPERAND_P) Define.
6528         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
6529         use node.
6530         (struct vuse_operand_type): New struct.
6531         (SET_USE): Call set_ssa_use_from_ptr.
6532         (USE_STMT): Define.
6533         (PHI_ARG_INDEX_FROM_USE): Define.
6534         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
6535         argument via SET_USE, not PHI_ARG_DEF_TREE.
6536         * tree-ssa-pre.c (eliminate): Call update_stmt.
6537         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
6538         call free_df.
6539         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
6540         (nearest_common_dominator_of_uses): Use imm_use iterator.
6541         (statement_sink_location): Use imm_use iterator and interface.
6542         (execute_sink_code): Don't call compute_immediate_uses or free-df.
6543         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
6544         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
6545         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
6546         (verify_ssa): Ensure no stmt is marked modify after optimization pass
6547         if new parameter is true.
6548         (init_tree_ssa): Don't initialize operand cache here.
6549         (delete_tree_ssa): Don't destroy operand cache here.
6550         (propagate_into_addr): Pass in a use pointer, return true if anything
6551         was changed.
6552         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
6553         (check_phi_redundancy): Use imm_use iterator.
6554         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
6555         free_df.
6556         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
6557         (release_ssa_name): Delink node and all elements in its imm_use list.
6558         * tree-tailcall.c (adjust_return_value): Call update_stmt.
6559         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
6560         * tree-vectorizer.c (need_imm_uses_for): Delete.
6561         (vectorize_loops): Dont call compute_immediate_uses or free_df.
6562         * tree.h (struct ssa_imm_use_d): Define.
6563         (SSA_NAME_IMM_USE_NODE): Define.
6564         (struct tree_ssa_name): Add imm_use node.
6565         (PHI_DF): Delete.
6566         (PHI_ARG_IMM_USE_NODE): Define.
6567         (struct phi_arg_d): Add imm_use node.
6568         (struct tree_phi_node): Remove struct dataflow_d element.
6569         (TDF_STMTADDR): Define.
6571 2005-04-05  Dale Johannesen  <dalej@apple.com>
6573         * doc/invoke.texi (Optimization Options):  Remove
6574         duplicate -fcse-follow-jumps.  Add -fweb.
6575         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
6576         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
6578 2005-04-05  Per Bothner  <per@bothner.com>
6580         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
6581         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
6582         (warn_uninit): Get EXPR_LOCUS from context now instead.
6583         This fixes a USE_MAPPED_LOCATION testsuite failure.
6585         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
6587 2005-04-05  Per Bothner  <per@bothner.com>
6589         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
6590         of the artification 'return 0' in main() to BUILTINS_LOCATION.
6591         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
6592         before warning.
6594 2004-04-05  Devang Patel  <dpatel@apple.com>
6596         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
6597         (lhsr<mode>3): ... new name.
6598         (altivec_vsra<VI_char>): Rename to ..
6599         (ashr<mode>3): ... new name.
6600         * config/rs6000/rs6000.c (builtin_description): Rename shift
6601         operations.
6603 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
6605         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
6606         gen_lowpart_for_combine.
6607         * cse.c (gen_lowpart_if_possible): Move...
6608         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
6609         gen_lowpart_SUBREG.
6610         (gen_lowpart_no_emit_general): Use it.
6612 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
6614         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
6615         overriding.
6617 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
6619         * system.h: Fix typo.
6621 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
6623         * config/bfin/bfin-modes.def: New file.
6624         * config/bfin/bfin-protos.h: New file.
6625         * config/bfin/bfin.c: New file.
6626         * config/bfin/bfin.h: New file.
6627         * config/bfin/bfin.md: New file.
6628         * config/bfin/bfin.opt: New file.
6629         * config/bfin/crti.s: New file.
6630         * config/bfin/crtn.s: New file.
6631         * config/bfin/elf.h: New file.
6632         * config/bfin/lib1funcs.asm: New file.
6633         * config/bfin/predicates.md: New file.
6634         * config/bfin/t-bfin: New file.
6635         * config/bfin/t-bfin-elf: New file.
6636         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
6637         Document new attributes.
6638         (interrupt, interrupt_handler, saveall): Update documentation for
6639         these attributes.
6640         * doc/install.texi (Specific): Add entry for the Blackfin.
6641         * doc/invoke.texi (Blackfin Options): New section.
6642         * doc/md.texi (Blackfin family): New section to document constraints.
6643         * config.gcc: Add bfin*-* and bfin*-elf configurations.
6645 2005-04-05  Olivier Hainque  <hainque@adacore.com>
6647         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
6648         match what the system unwinder expects.
6649         * config/mips/mips.c (mips_frame_set): If we're saving the return
6650         address register and the dwarf return address column number differs
6651         from the hard register number, adjust the note reg to refer to the
6652         former.
6654 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
6656         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
6657         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
6658         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
6659         (processor_type): New enum.
6660         (mn10300_processor): New variable.
6661         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
6662         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
6663         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
6664         (PROCESSOR_DEFAULT): New macro.
6665         * config/mn10300/mn10300.c (mn10300_processor): New variable.
6666         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6667         (mn10300_handle_option, mn10300_override_options): New functions.
6668         * config/mn10300/mn10300.opt: New file.
6670 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
6671             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
6673         PR tree-optimization/19903
6674         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
6675         that don't fit in their type after conversion.
6677 2005-04-05  Uros Bizjak <uros@kss-loka.si>
6679         PR target/20421
6680         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
6681         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
6682         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
6683         flag here. Implement using define_insn_and_split.
6684         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
6685         (frndintxf2_mask_pm_i387): New insn patterns.
6686         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
6687         Do not set ix86_optimize_mode_switching flag.
6688         (ceilsf2, ceildf2, ceilxf2): Same.
6689         (btruncsf2, btruncdf2, btruncxf2): Same.
6690         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
6692 2005-04-05  Ian Lance Taylor  <ian@airs.com>
6694         PR debug/9963
6695         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
6696         i386_pe_record_external_function.
6697         (i386_pe_record_external_function): Update declaration.
6698         * config/i386/winnt.c (struct extern_list): Add decl field.
6699         (i386_pe_record_external_function): Add decl parameter.
6700         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
6701         identifier.
6702         * config/i386/i386-protos.h (i386_pe_record_external_function):
6703         Update declaration.
6705 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
6707         * config/m68k/m68k-protos.h: Add a prototype for
6708         valid_dbcc_comparison_p_2.
6709         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
6710         extend_operator, const_uint32_operand, const_sint32_operand,
6711         general_src_operand, nonimmediate_src_operand,
6712         memory_src_operand, post_inc_operand, pre_dec_operand,
6713         pcrel_address): Move to predicates to predicates.md.
6714         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
6715         * config/m68k/m68k.md: Include predicates.md.
6716         * config/m68k/predicates.md: New.
6718 2005-04-04  Roger Sayle  <roger@eyesopen.com>
6720         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
6722         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
6724 2005-04-04  Ian Lance Taylor  <ian@airs.com>
6726         * c-typeck.c (struct c_switch): Rename switch_stmt field to
6727         switch_expr.
6728         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
6729         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
6730         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
6731         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
6732         * c-common.c (c_do_switch_warnings_1): New static function broken
6733         out of c_do_switch_warnings.
6734         (c_do_switch_warnings): Call c_do_switch_warnings_1.
6735         (c_do_switch_expr_warnings): New function.
6736         * c-common.h (c_do_switch_expr_warnings): Declare.
6738 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
6739             Daniel Jacobowitz  <dan@codesourcery.com>
6741         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
6742         trapping divide.
6743         * rtlanal.c (may_trap_p): Same.
6745 2005-04-04  Dale Johannesen  <dalej@apple.com>
6747         * ChangeLog:  remove reference to ChangeLog.12.
6749 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
6751         CRIS epilogue as RTL.
6752         * config/cris/cris.md: Change all 0 in unspec 0 to
6753         CRIS_UNSPEC_PLT.
6754         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
6755         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
6756         patterns.
6757         ("return"): Change to define_expand.  Call cris_expand_return for
6758         actual expansion.
6759         ("*return_expanded"): New pattern.
6760         ("epilogue"): New define_expand.
6761         * config/cris/cris.h (PREDICATE_CODES): Add
6762         cris_load_multiple_op.
6763         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
6764         type.
6765         (enum cris_retinsn_type): New.
6766         (struct machine_function): New member return_type.
6767         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
6768         (cris_target_asm_function_epilogue): Remove, moving RTLified
6769         contents to...
6770         (cris_expand_epilogue): New function.
6771         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
6772         (cris_gen_movem_load, cris_load_multiple_op)
6773         (cris_return_address_on_stack_for_return, cris_expand_return): New
6774         functions.
6775         (cris_target_asm_function_prologue)
6776         (cris_initial_frame_pointer_offset): Call
6777         cris_reg_saved_in_regsave_area instead of complicated expression.
6778         Call cris_return_address_on_stack instead of an expression.
6779         (cris_print_operand) <case 'o', case 'O'>: New cases.
6780         (cris_return_address_on_stack): Change return-type to bool.
6781         (cris_simple_epilogue): Ditto.  Return false if registers are
6782         saved.
6783         * config/cris/cris-protos.h (cris_simple_epilogue)
6784         (cris_return_address_on_stack): Adjust prototype return type.
6785         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
6786         (cris_return_address_on_stack_for_return): New prototypes.
6788 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
6790         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
6791         gpr_or_int12_operand.
6793         * config/frv/frv-protos.h: Add a prototype to
6794         frv_legitimate_memory_operand and frv_const_unspec_p.
6795         (frv_unspec): Move from frv.c.
6796         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
6797         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
6798         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
6799         gpr_or_fpr_operand, gpr_or_int12_operand,
6800         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
6801         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
6802         int6_operand, int5_operand, uint5_operand, uint4_operand,
6803         uint1_operand, int_2word_operand, uint16_operand,
6804         upper_int16_operand, integer_register_operand,
6805         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
6806         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
6807         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
6808         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
6809         move_destination_operand, movcc_fp_destination_operand,
6810         frv_function_symbol_referenced_p, move_source_operand,
6811         condexec_dest_operand, condexec_source_operand,
6812         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
6813         const_unspec_operand, gpr_or_memory_operand,
6814         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
6815         icc_operand, fcc_operand, cc_operand, icr_operand,
6816         fcr_operand, cr_operand, call_operand, sibcall_operand,
6817         symbolic_operand, relational_operator,
6818         integer_relational_operator, float_relational_operator,
6819         ccr_eqne_operator, minmax_operator,
6820         condexec_si_binary_operator, condexec_si_media_operator,
6821         condexec_si_divide_operator, condexec_si_unary_operator,
6822         condexec_sf_conv_operator, condexec_sf_add_operator,
6823         condexec_memory_operand, intop_compare_operator, acc_operand,
6824         even_acc_operand, quad_acc_operand, accg_operand: Move to
6825         predicates.md.
6826         * config/frv/frv.h (PREDICATE_CODES): Remove.
6827         * config/frv/frv.md: Include predicates.md.
6828         * config/frv/predicates.md: New.
6830 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
6832         PR target/19537
6833         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
6834         * tree-ssa-loop-ivopts.c: Include langhooks.h.
6835         (add_standard_iv_candidates_for_size): New function, extracting code
6836         from add_standard_iv_candidates and parameterizing it by type size.
6837         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
6839 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
6841         * system.h (GCOV_SIZE_TYPE): Unposion.
6842         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
6843         (GCOV_TYPE_SIZE): ...this new macro.
6844         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
6845         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
6846         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
6847         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
6848         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
6849         instead of unsigned_intSI_type_node.
6850         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
6851         (rtl_gen_one_value_profiler_no_edge_manipulation)
6852         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
6853         * value-prof.c: Include coverage.h.
6855 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
6856             Diego Novillo <dnovillo@redhat.com>
6858         Fix PR tree-optimization/20703
6859         Fix PR tree-optimization/20725
6861         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
6862         (create_expression_by_pieces): Ditto.
6863         (valid_in_set): Ditto. Also handle tcc_declaration.
6864         (find_or_generate_expression): Handle comparison class.
6865         (insert_into_preds_of_block): Ditto.
6866         (insert_aux): Ditto.
6867         (create_value_expr_from): Handle comparison class, recursively
6868         handle reference nodes.
6869         (compute_avail): Handle comparison classes, rewrite a little cleaner.
6870         (execute_pre): Fix spacing.
6871         (do_fre): Renamed to execute_fre.
6873 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6875         * doc/invoke.texi (SPARC options): Document that
6876         -mlittle-endian is not supported on Linux either.
6878 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6880         PR target/4198
6881         PR target/12027
6882         * config.gcc (Obsolete configurations): Remove
6883         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
6884         (sparclite-*-coff*): Delete.
6885         (sparclite-*-elf*): Likewise.
6886         (sparc86x-*-elf*): Likewise.
6887         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
6888         * config/sparc/lite.h: Delete.
6889         * config/sparc/litecoff.h: Likewise.
6890         * config/sparc/liteelf.h: Likewise.
6891         * config/sparc/sp86x-elf.h: Likewise.
6892         * config/sparc/t-sparclite: Likewise.
6893         * config/sparc/t-sp86x: Likewise.
6895 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
6897         * config/s390/s390-protos.h: (s390_comparison,
6898         s390_alc_comparison, s390_slb_comparison, const0_operand,
6899         consttable_operand, larl_operand, s_operand,
6900         shift_count_operand, bras_sym_operand, load_multiple_operation,
6901         store_multiple_operation, s390_plus_operand): Remove prototypes.
6902         (s390_legitimate_address_without_index_p): New prototype.
6903         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
6904         to s390.h.
6905         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
6906         const0_operand, consttable_operand, larl_operand, s_operand,
6907         shift_count_operand, bras_sym_operand, load_multiple_operation,
6908         store_multiple_operation, s390_plus_operand): Move to
6909         predicates.md.
6910         (check_mode): Remove.
6911         (s390_branch_condition_mask): Remove 'static'. Move prototype to
6912         s390-protos.h.
6913         (s390_legitimate_address_without_index_p): New.
6914         * config/s390/s390.h (PREDICATE_CODES): Remove.
6915         * config/s390/s390.md: Include predicates.md.
6916         * config/s390/predicates.md: New.
6918 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6920         PR target/20446
6921         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
6922         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
6923         (NEED_INDICATE_EXEC_STACK): Define to 1.
6924         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
6925         (NEED_INDICATE_EXEC_STACK): Define to 1.
6926         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
6927         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
6928         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
6929         (pic_helper_emitted_p): New global.
6930         (emit_pic_helper): New function extracted from...
6931         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
6932         Do not call emit_pic_helper if delay_pic_helper is true.
6933         (sparc_expand_prologue): Pass 'false' to load_pic_register.
6934         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
6935         (sparc_file_end): New function.
6937 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
6939         * config/mcore/mcore-protos.h: Remove the prototypes for
6940         mcore_arith_reg_operand, mcore_general_movsrc_operand,
6941         mcore_general_movdst_operand, mcore_reload_operand,
6942         mcore_arith_J_operand, mcore_arith_K_operand,
6943         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
6944         mcore_arith_K_S_operand, mcore_arith_imm_operand,
6945         mcore_arith_any_imm_operand, mcore_arith_O_operand,
6946         mcore_literal_K_operand, mcore_addsub_operand,
6947         mcore_compare_operand, mcore_load_multiple_operation,
6948         mcore_store_multiple_operation, mcore_call_address_operand.
6949         Add a prototype for const_ok_for_mcore.
6950         * config/mcore/mcore.c (mcore_call_address_operand,
6951         mcore_general_movsrc_operand, mcore_general_movdst_operand,
6952         mcore_arith_reg_operand, mcore_reload_operand,
6953         mcore_arith_J_operand, mcore_arith_K_operand,
6954         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
6955         mcore_arith_M_operand, mcore_arith_imm_operand,
6956         mcore_arith_any_imm_operand, mcore_arith_O_operand,
6957         mcore_literal_K_operand, mcore_addsub_operand,
6958         mcore_compare_operand, mcore_load_multiple_operation,
6959         mcore_store_multiple_operation): Move to predicates.md.
6960         (const_ok_for_mcore): Export.
6961         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
6962         * config/mcore/mcore.md: Include predicates.md.
6963         * config/mcore/predicates.md: New.
6965         * config/mcore/predicates.md: Fix a comment typo.
6967 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
6968             Adrian Straetling  <straetling@de.ibm.com>
6970         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
6971         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
6972         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
6973         attribute.
6974         ("imul"): Removed from "type" attribute.
6975         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
6976         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
6977         Changed type to imulsi.
6978         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
6980 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
6982         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
6983         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
6984         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
6985         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
6986         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
6987         (TARGET_SWITCHES, mcore_stack_increment_string)
6988         (TARGET_OPTIONS): Delete.
6989         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
6990         than *_BIT constants.
6991         (TARGET_8ALIGN): #undef old definition before redefining to 1.
6992         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
6993         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
6994         (mcore_override_options): Delete mcore_stack_increment code.
6995         Change use of M340_BIT to MASK_M340.
6996         * config/mcore/mcore.opt: New file.
6998 2005-04-04  Ian Lance Taylor  <ian@airs.com>
7000         * config/arm/arm.c (replace_symbols_in_block): Remove static
7001         function.
7003 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
7005         * config/fr30/fr30-protos.h: Remove the prototypes for
7006         stack_add_operand, add_immediate_operand,
7007         high_register_operand, low_register_operand, call_operand,
7008         di_operand, and nonimmediate_di_operand.
7009         * config/fr30/fr30.c (stack_add_operand,
7010         add_immediate_operand, high_register_operand,
7011         low_register_operand, call_operand, di_operand,
7012         nonimmediate_di_operand): Move to predicates.md.
7013         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
7014         * config/fr30/fr30.md: Include predicates.md.
7015         * config/fr30/predicates.md: New.
7017         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
7018         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
7019         mcore_call_address_operand.
7021         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
7022         general_movsrc_operand.
7024 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
7026         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
7027         after freeing.
7029 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
7031         PR target/14812
7032         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
7033         a negated value.
7035 2005-04-04  Richard Henderson  <rth@redhat.com>
7036             Jakub Jelinek  <jakub@redhat.com>
7038         PR rtl-optimization/16104
7039         * fold-const.c (fold_unary): Fix folding of vector conversions.
7041 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
7043         * config.gcc (xstormy16-*-elf): Set extra_options.
7044         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
7045         * config/stormy16/stormy16.opt: New file.
7047 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
7049         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
7050         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
7051         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
7052         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
7053         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
7054         (TARGET_UNIX_ASM): Delete.
7055         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
7056         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
7057         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
7058         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7059         * config/pdp11/pdp11.opt: New file.
7061 2005-04-03  Roger Sayle  <roger@eyesopen.com>
7062             Alexandre Oliva  <aoliva@redhat.com>
7064         PR c++/19199
7065         * fold-const.c (non_lvalue): Split tests into...
7066         (maybe_lvalue_p): New function.
7067         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
7068         C++ front-end prior to lowering into gimple form.
7070 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7072         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
7073         BUILT_IN_STRNCASECMP): New.
7074         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
7075         and strndup.
7077 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
7079         PR target/14812
7080         * arm.md (addsi3_compare0_for_combiner): Delete.
7081         (addsi3_compare0_scratch_for_combiner): Delete.
7082         (cmpsi_neg_shiftsi): Delete.
7083         (compare_negsi_si): New pattern.
7084         (cmpsi_negshiftsi_si): New pattern.
7085         (negated_cbranchsi4): Restrict to equality_operator.
7087         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
7088         template.
7090 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
7092         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
7093         Fix comment typos.
7095         * doc/install.texi: Fix a typo.
7097 2005-04-03  Steven Bosscher  <stevenb@suse.de>
7099         PR middle-end/20648
7100         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
7101         a computed goto if the edge to the computed goto block has
7102         incoming abnormal edges.  Clarify how the function works.
7104 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
7106         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
7107         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
7108         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
7109         hash_scan_set, reg_set_between_after_reload_p,
7110         reg_used_between_after_reload_p, get_avail_load_store_reg,
7111         eliminate_partially_redundant_load): Likewise.
7112         * postreload.c (reload_cse_simplify_set,
7113         reload_combine_note_use): Likewise.
7114         * predict.c (predict_insn, expected_value_to_br_prob,
7115         propagate_freq, expensive_function_p): Likewise.
7116         * print-rtl.c (print_rtx): Likewise.
7117         * profile.c (instrument_edges, instrument_values,
7118         compute_branch_probabilities, branch_prob, union_groups,
7119         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
7120         * protoize.c (in_system_include_dir, file_could_be_converted,
7121         file_normally_convertible, gen_aux_info_file, seek_to_line,
7122         do_cleaning): Likewise.
7123         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
7124         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
7125         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
7127 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
7129         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
7130         * modulo-sched.c (undo_replace_buff_elem): New structure.
7131         (kernel_number_of_cycles, ps_unschedule_node,
7132         undo_generate_reg_moves,free_undo_replace_buff,
7133         undo_permute_partial_schedule,  loop_single_full_bb_p,
7134         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
7135         build_loops_structure, get_sched_window): New.
7136         (generate_reg_moves): Return undo_replace_buff_elem and other
7137         fixes.
7138         (generate_prolog_epilog): Remove old loop versioning.
7139         (sms_schedule): Use loop information and loop_version.
7140         (sms_schedule_by_order): Split part of it to get_sched_window.
7141         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
7142         cfg_layout_finalize and free_dominance_info before/after SMS.
7144 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
7146         * cfghooks.c (lv_flush_pending_stmts,
7147         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
7148         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
7149         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
7150         lv_add_condition_to_bb,
7151         lv_adjust_loop_header_phi, extract_cond_bb_edges,
7152         flush_pending_stmts): New in cfg_hooks structure.
7153         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
7154         extract_cond_bb_edges, lv_adjust_loop_header_phi,
7155         lv_add_condition_to_bb): New declarations.
7156         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
7157         bool.
7158         (loop_version): Declare.
7159         * cfgloopmanip.c (cfghooks.h): Include.
7160         (duplicate_loop_to_header_edge): Change return type to bool.
7161         (loop_version, lv_adjust_loop_entry_edge): Move here.
7162         * cfgrtl.c (cfgloop.h): Include.
7163         (rtl_verify_flow_info_1): Fix.
7164         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
7165         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
7166         initialization.
7167         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
7168         tree_lv_add_condition_to_bb): New.
7169         (tree_cfg_hooks): Add new hooks to initialization.
7170         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
7171         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
7173 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
7175         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
7176         xstormy16_below100_or_register,
7177         xstormy16_splittable_below100_or_register, and
7178         nonimmediate_nonstack_operand.
7180         * config/stormy16/stormy16-protos.h: Remove the prototypes for
7181         xstormy16_ineqsi_operator, equality_operator,
7182         inequality_operator, shift_operator,
7183         xstormy16_below100_operand, xstormy16_below100_or_register,
7184         xstormy16_splittable_below100_or_register,
7185         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
7186         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
7187         equality_operator, inequality_operator,
7188         xstormy16_below100_operand, xstormy16_below100_or_register,
7189         xstormy16_splittable_below100_or_register,
7190         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
7191         nonimmediate_nonstack_operand, shift_operator): Move to
7192         predicates.md.
7193         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
7194         * config/stormy16/stormy16.md: Include predicates.md.
7195         * config/stormy16/predicates.md: New.
7197 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
7199         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
7200         small_int, large_int, reg_or_0_operand, simple_memory_operand,
7201         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
7202         move_operand, power_of_2_operand): Move to predicates.md.
7203         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
7204         PREDICATE_CODE): Remove.
7205         * config/iq2000/iq2000.md: Include predicates.md.
7206         * config/iq2000/predicates.md: New.
7208 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
7210         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
7211         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
7212         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
7213         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
7214         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
7215         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
7216         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
7217         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
7218         (TARGET_M68HC11): Delete.
7219         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
7220         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
7221         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
7222         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
7223         (nb_soft_regs): Delete.
7224         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
7225         (m68hc11_override_options): Remove the code that caters for MASK_M6811
7226         and MASK_M6812 being set simultaneously.  Change the code that sets
7227         the default m68hc11_soft_reg_count to use integers instead of strings.
7228         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
7229         m68hc11_soft_reg_count (which now has an int type) as the number
7230         of soft registers.
7231         * config/m68hc11/m68hc11.opt: New file.
7233 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
7235         * config/fr30/fr30.h (PREDICATE_CODES): Remove
7236         fp_displacement_operand, sp_displacement_operand.
7238         * config/m68hc11/m68hc11-protos.h: Add a prototype for
7239         m68hcc_auto_inc_p.
7240         Remove the prototypes for tst_operand, cmp_operand,
7241         stack_register_operand, d_register_operand,
7242         hard_addr_reg_operand, splitable_operand,
7243         m68hc11_logical_operator, m68hc11_arith_operator,
7244         m68hc11_non_shift_operator, m68hc11_shift_operator,
7245         m68hc11_unary_operator, m68hc11_eq_compare_operator,
7246         non_push_operand, hard_reg_operand, and
7247         reg_or_some_mem_operand.
7248         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
7249         extern.
7250         (tst_operand, cmp_operand, non_push_operand,
7251         splitable_operand, reg_or_some_mem_operand,
7252         stack_register_operand, d_register_operand,
7253         hard_addr_reg_operand, hard_reg_operand,
7254         m68hc11_eq_compare_operator, m68hc11_logical_operator,
7255         m68hc11_arith_operator, m68hc11_non_shift_operator,
7256         m68hc11_shift_operator, m68hc11_unary_operator): Move to
7257         predicates.md.
7258         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
7259         * config/m68hc11/m68hc11.md: Include predicates.md.
7260         * config/m68hc11/predicates.md: New.
7262 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
7264         PR debug/19345
7265         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
7266         change checked in along with 2005-03-03's patch for debug/20253.
7267         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
7268         (remap_decl): Insert type decl in map earlier.
7270 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
7272         PR tree-optimization/20640
7273         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
7274         post-dominator if it has phi nodes.
7275         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
7276         before dead statements.
7278 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
7280         PR middle-end/20491
7281         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
7283 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
7285         PR rtl-optimization/20290
7286         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
7287         in every iteration if the entry point is the exit test.
7289 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
7291         * config/cris/cris.md (attribute "length"): Define.
7293 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
7295         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
7296         (word_offset_memref_operand): New.
7297         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
7298         (indexed_or_indirect_operand): Delete.
7299         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
7300         (indexed_or_indirect_operand): Delete.
7302         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
7304         PR 20650
7305         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
7306         a register.
7308         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
7309         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
7311 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
7313         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
7315 2005-04-01  Ian Lance Taylor  <ian@airs.com>
7317         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
7318         (rus, prus): Remove static variables.
7319         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
7320         (process_command): Permit report_times and use_pipes together.
7322 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
7324         * c-decl.c (validate_proto_after_old_defn): Look at
7325         TYPE_MAIN_VARIANT of argument types.
7327 2005-04-01  Paul Brook  <paul@codesourcery.com>
7329         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
7330         (arm_output_function_epilogue): Allow call_via_SP.
7331         (thumb_call_via_reg, arm_file_end): Ditto.
7332         * config/arm/arm.h (struct machine_function): Include space for SP.
7333         (thumb_call_via_label): Update declaration.
7335 2005-04-01  Ian Lance Taylor  <ian@airs.com>
7337         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
7338         doing a peephole optimization, once again put any notes in the
7339         proper position.
7341 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7343         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
7345 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
7347         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
7348         (block_alloc, find_free_reg): Likewise.
7349         * loop-doloop.c (doloop_modify): Likewise.
7350         * loop-invariant.c (record_use): Likewise.
7351         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
7352         get_iv_value, canon_condition, eliminate_implied_condition,
7353         eliminate_implied_condition, simplify_using_initial_values,
7354         shorten_into_mode, canonicalize_iv_subregs,
7355         iv_number_of_iterations): Likewise.
7356         * loop-unroll.c (expand_var_during_unrolling): Likewise.
7357         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
7358         unswitch_loop): Likewise.
7359         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
7360         move_movables, replace_call_address, find_and_verify_loops,
7361         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
7362         record_giv, final_giv_value, general_induction_var,
7363         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
7364         loop_giv_dump): Likewise.
7366         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
7367         GCOV_CHECK_WRITING): Remove.
7368         (gcov_position, gcov_rewrite): Use gcc_assert.
7369         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
7370         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
7371         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
7372         gcc_assert.
7374 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7376         * tree-inline.c: Fix a typo.
7378 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
7380         * configure.ac (enable-checking): Explicitly set all variables for
7381         collective switch values.  Alphabetize variables. Rename
7382         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
7383         synonym for 'no'.
7384         * doc/install.texi (enable-checking): Update documentation.
7385         * configure: Rebuilt.
7387 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7389         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
7390         possible.
7392 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
7394         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
7395         Also reject cases where this pattern will cause load delay stalls
7396         unless optimizing for size and it will produce a shorter sequence.
7397         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
7398         variants to avoid pre-adjusting the base when possible.
7400 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
7402         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
7403         the frame and argument pointers.
7404         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
7405         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
7406         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
7407         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
7408         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
7409         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
7411 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
7413         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
7414         with entry for selectany attribute.
7415         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
7416         Declare.
7417         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
7418         (i386_pe_asm_named_section): Handle sections generated by
7419         selectany attribute.
7420         * doc/extend.texi (selectany): Document attribute.
7422 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
7423             Jan Hubicka  <jh@suse.cz>
7425         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
7426         to fix addresses involving EBP and ESP.
7427         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
7428         for SUBREGed registers.
7429         (legitimate_address_p): Accept SUBREGed registers.
7431 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
7433         PR c++/19406
7434         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
7435         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
7436         for FIELD_DECLs.
7438 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7440         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
7442 2005-04-01  James E Wilson  <wilson@specifixinc.com>
7444         PR c++/20505
7445         * dwarf2out.c (rtl_for_decl_init): New function.
7446         (rtl_for_decl_location): Extracted from here.
7447         (tree_add_const_value_attribute): Call rtl_for_decl_init and
7448         add_const_value_attribute.  Delete initializer_constant_valid_p call.
7450 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7452         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
7453         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
7454         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
7455         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
7456         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
7457         config/i386/i386.md, config/rs6000/predicates.md,
7458         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
7459         config/s390/s390.c, config/stormy16/stormy16.c,
7460         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
7461         typos.
7463 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
7465         PR c/17855
7466         * gimplify.c (gimplify_expr): Create a temporary for lvalue
7467         COND_EXPR and CALL_EXPR.
7469 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
7471         PR target/20632
7472         * genautomata.c (first_cycle_unit_presence): Check all alternative
7473         states for unit presence.
7475         * doc/md.texi: Remove remark about impossibility to query unit
7476         presence in non nondeterministic automaton state.
7478         * config/ia64/ia64.c (get_template): Change order of unit querying.
7480 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
7482         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
7483         obsolete comment.
7485 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
7487         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
7488         flag for edges outside any loops.
7490 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
7492         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
7494 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
7496         * tree-ssa-alias.c: Follow spelling conventions.
7497         * doc/tree-ssa.texi: Fix a typo.
7499 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
7501         * postreload-gcse.c: Include target.h.
7502         (gcse_after_reload_main): Return early if we cannot modify jumps.
7503         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
7505 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
7507         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
7508         expensive operations.
7510 2005-03-31  Ian Lance Taylor  <ian@airs.com>
7512         * collect2.c (lderrout): New variable.
7513         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
7514         if it is set, to stderr.
7515         (handler): Unlink lderrout if it is set.
7516         (dump_file): Add "to" parameter.  Change all callers.
7517         (main): Initialize lderrout.
7518         (collect_execute): Add errname parameter.  Change all callers.
7519         Rename redir parameter to outname.  Never pass
7520         PEX_STDERR_TO_STDOUT to pex_run.
7521         * collect2.h (collect_execute, dump_file): Update declarations.
7522         * tlink.c (tlink_execute): Add errname parameter.  Change all
7523         callers.
7524         (do_tlink): Check lderrout as well as ldout.
7526 2005-03-31  Caroline Tice  <ctice@apple.com>
7528         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
7529         (bb-reorder.o): Add errors.h to list of requirements.
7530         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
7531         profiledbootstrap flags.
7532         * bb-reorder.c (errors.h): Add new include.
7533         (struct bbro_basic_block_data_def): Add new field, in_trace.
7534         (add_unlikely_executed_notes):  Remove function.
7535         (mark_bb_for_unlikely_executed_section): Remove function.
7536         (insert_section_boundary_note): New function.
7537         (verify_hot_cold_block_grouping): New function.
7538         (push_to_next_round_p): Remove variables and tests that push all
7539         cold blocks to last round.
7540         (find_traces): Remove code that added extra round of trace finding
7541         when doing partitioning.
7542         (find_traces_1_round) :  Remove variable last_round;  add code to
7543         update new struct field, in_trace; correct trace_length where it was
7544         incorrect before (after call to copy_bb); change code that pushed all
7545         cold blocks to last round. Instead verify that all blocks going into
7546         a trace belong in the same partition.
7547         (connect_traces): Modify to connect the traces in two passes, if the
7548         function contains both hot and cold blocks.  The first pass connects
7549         all the traces for blocks in the partition that the first block in
7550         the function belongs to; the second pass connnects all the traces
7551         containing blocks that belong in the other partition.
7552         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
7553         code that automatically put the first block in a function into the
7554         hot partition if the function had any hot blocks.
7555         (fix_crossing_unconditional_branches): Check number of succ edges
7556         before attempting to get one.
7557         (fix_edges_for_rarely_executed_code):  Update comment describing
7558         function.
7559         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
7560         remove call to add_unlikely_executed_notes; add call to
7561         verify_hot_cold_block_grouping.
7562         (duplicate_computed_gotos): Don't change computed goto if it's a
7563         crossing edge.
7564         (partition_hot_cold_basic_blocks):  Update function comment.
7565         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
7566         condition.
7567         (try_forward_edges): Likewise.
7568         (merge_blocks_move_predecessor_nojumps): Likewise.
7569         (merge_blocks_move_successor_nojumps): Likewise.
7570         (merge_blocks_move): Likewise.
7571         (try_crossjump_bb): Likewise.
7572         * cfglayout.c (update_unlikely_executed_notes): Remove function.
7573         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
7574         notes to cold bb's; remove call to update_unlikely_executed_notes.
7575         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
7576         NOTE_INSN_SWITCH_TEXT_SECTIONS.
7577         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
7578         function declaration.
7579         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
7580         from consideration.
7581         (rtl_can_merge_blocks): Remove redundancy from condition.
7582         (try_redirect_by_replacing_jump): Likewise.
7583         (force_nonfallthru_and_redirect): Remove code for adding
7584         UNLIKELY_EXECUTED_CODE notes to cold bb's.
7585         (commit_one_edge_insertion): Likewise.
7586         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
7587         * dbxout.c (FORCE_TEXT): Replace function_section with
7588         current_function_section.
7589         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
7590         function, switch_text_section.
7591         (struct xcoff_debug): Likewise.
7592         (dbxout_function_end): Add code to put out label diffs for both
7593         hot and cold sections.
7594         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
7595         for new debug_hooks funciton, switch_text_section..
7596         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
7597         switch_text_section.
7598         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
7599         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
7600         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
7601         dw_fde_switched_sections.
7602         (output_call_frame_info):  Add test to see if function switches text
7603         sections in the middle; if so, use appropriate extra hot and cold
7604         section labels to compute size deltas for the hot and cold sections.
7605         (dwarf2out_begin_prologue): Add code to initialize new fields in
7606         dw_fde_struct.
7607         (dwarf2out_switch_text_section): New function (invoked through
7608         debug_hook); updates new fields in dw_fde_struct appropriately and
7609         increments separate_line_info_table_in_use.
7610         (dwarf2_debug_hooks): Initialize switch_text_section function to be
7611         dwarf2out_switch_text_section.
7612         (struct var_loc_node): Add new field, section_label.
7613         (output_aranges): Add code to check whether in hot or cold section and
7614         use the appropriate label in calculating deltas.
7615         (output_ranges): Likewise.
7616         (output_line_info): Add code to check which section we're in and
7617         use appropriate hot/cold label.
7618         (add_location_or_constant_value_attribute): Likewise.
7619         (gen_subprogam_die): Modify arange attributes to use correct labels.
7620         (dwarf2out_begin_block): Change call to function_section into call to
7621         current_function_section.
7622         (dwarf2out_end_block): Likewise.
7623         (dwarf2out_source_line): Likewise.
7624         (dwarf2out_var_location): Add code to check whether in hot or cold
7625         section and use the appropriate label.
7626         * except.c (output_function_exception_table): Change call to
7627         function_section into call to current_function_section.
7628         * final.c (profile_function): Likewise.
7629         (scan_ahead_for_unlikely_executed_note): Remove function.
7630         (final_scan_insn):  Remove calls to
7631         scan_ahead_for_unlikely_executed_note, and related code for switching
7632         to cold section, except for the single time
7633         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
7634         debug_hooks->switch_text_sections; replace appropriate calls to
7635         function_section with calls to current_function_section.
7636         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
7637         test_bb to condition.
7638         (find_if_case_2): Likewise.
7639         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
7640         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
7641         * opts.c (decode_options): Change warning about hot/cold partitioning
7642         with exceptionss to inform (so as not to cause bootstrap failures);
7643         remove warning about partitioning with DWARF debug info.
7644         * output.h (current_function_section): Add new function decl.
7645         (insert_section_boundary_note): Likewise.
7646         (enum in_section): Move this declaration here from varasm.c.
7647         (unlikely_section_label): Likewise.
7648         (unlikely_text_section_name): Likewise.
7649         (last_text_section_name): New global variable.
7650         (last_text_section): Likewise.
7651         (hot_section_label): Likewise.
7652         (hot_section_end_label): Likewise.
7653         (cold_section_end_label): Likewise.
7654         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
7655         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
7656         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
7657         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
7658         insn from consideration.
7659         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
7660         switch_text_section.
7661         * varasm.c (basic-block.h): Add new include.
7662         (unlikely_section_label_printed): Remove global variable.
7663         (unlikely_section_label): Make global variable not be static any more.
7664         (unlikely_text_section_name): Likewise.
7665         (hot_section_end_label): New global variable (not static)
7666         (first_function_block_is_cold): Likewise.
7667         (hot_section_label): Likewise.
7668         (cold_section_end_label): Likewise..
7669         (last_text_section): New global variable, not static.
7670         (last_text_section_name): New global variable, not static.
7671         (initialize_cold_section_name): New function.
7672         (enum in_section): Move declaration to output.h.
7673         (text_section): Update last_text_section.
7674         (unlikely_text_section): Replace code to determine cold section name
7675         with call to initialize_cold_section_name; Add code to update
7676         last_text_section; remove code for printing out label.
7677         (named_section_real): Add code to update last_text_section and
7678         last_text_section_name as appropriate.
7679         (function_section): Change test for 'unlikely' to depend on
7680         first_function_block_is_cold (moved old test to
7681         current_function_section).
7682         (current_function_section): New function.
7683         (assemble_start_function): Move code that frees
7684         unlikely_text_section_name; initialize hot_section_end_label;
7685         print hot and cold section labels at the start of the function;
7686         set first_function_block_is_cold, if appropriate; initialize l
7687         ast_text_section; add call to insert_section_boundary_note.
7688         (assemble_end_function):  Add code to write out hot and cold section
7689         end labels.
7690         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
7691         switch_text_section.
7692         * config/darwin.c (machopic_select_section): Replace incorrect
7693         function in base_funs; update reloc for cold sections if necessary.
7694         * config/darwin.h (SECTION_FUNCTION):  Add code to update
7695         last_text_section if appropriate.
7696         (text_unlikely_section): Remove.
7697         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
7698         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
7699         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
7700         partitioning for this architecture.
7702 2005-03-31  Olivier Hainque  <hainque@adacore.com>
7704         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
7705         defined and non-zero.
7707 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
7709         PR c++/18644
7710         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
7711         semantics.
7713 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
7715         PR target/20611
7716         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
7717         label operand.  Remove (use (unspec..)).  Don't emit a label on
7718         the offset word.
7719         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
7720         generate inline label for load_toc_v4_PIC_1b.
7721         (rs6000_emit_load_toc_table): Likewise.
7723 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
7725         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
7726         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
7728 2005-03-29  Devang Patel  <dpatel@apple.com>
7730         * tree-sra.c (decide_block_copy): Disable scalarization of
7731         sub-elements.
7733 2005-03-30  Stuart Hastings  <stuart@apple.com>
7734             Dale Johannesen  <dalej@apple.com>
7736         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
7737         * print-tree.c (print_node):  Add case STATEMENT_LIST.
7739 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
7741         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
7742         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
7743         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
7744         is given with "powerpc64*" or "all", or when --with-cpu chooses
7745         a 64-bit cpu.
7747 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
7749         PR debug/20268
7750         * dwarf2out.c (add_high_low_attributes): New function, extracted from
7751         gen_lexical_block_die.
7752         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
7754 2005-03-31  Jan Hubicka  <jh@suse.cz>
7756         2004-11-02  Jan Hubicka  <jh@suse.cz>
7758         * cgraph.c (cgraph_varpool_node_name): New function.
7759         (dump_cgraph_varpool_node): New function.
7760         (dump_varpool): New function.
7761         * cgraphunit.c (cgraph_optimize): Dump varpool.
7763         2004-10-16  Jan Hubicka  <jh@suse.cz>
7765         * cgraph.c (decide_is_variable_needed): New function.
7766         (cgraph_varpool_finalize_decl): Use it.
7767         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
7768         unit-at-a-time.
7769         * final.c (output_addr_const): Do not call mark_referenced.
7770         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
7771         always go via cgraph.
7772         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
7773         (check_global_declarations): Ifdef out code clearing DECL_RTL.
7774         * tree-optimize.c (execute_inline): Mark functions called.
7775         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
7777         2004-10-11  Jan Hubicka  <jh@suse.cz>
7779         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
7780         (cgraph_varpool_last_needed_node): New static variable.
7781         (enqueue_needed_varpool_node): Break out from ...; add items to the
7782         end of queue; update first pointers.
7783         (cgraph_varpool_mark_needed_node): ... here.
7784         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
7785         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
7786         * cgraph.h (cgraph_varpool_node): Add analyzed field.
7787         (cgraph_varpool_first_unanalyzed_node): Declare.
7788         * cgraphunit.c: Include output.h.
7789         (cgraph_varpool_analyze_pending_decls): New function.
7790         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
7791         for errors, analyze pending decls.
7792         (cgraph_finalize_compilation_unit): Only analyze decls.
7793         (cgraph_optimize): Assemble the decls after expanding.
7795 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
7797         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
7798         subvars get marked properly in tags for grouping.
7799         (add_pointed_to_var): Mark only actual pointed to
7800         variables/subvars in addresses needed.
7801         (create_overlap_variables_for): Clear call clobbered on original
7802         variable.
7803         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
7804         addresable vars with subvars into list.
7805         * tree-ssa.c (verify_ssa_name): Verify original is not used where
7806         subvar should be.
7808 2005-03-30  Richard Henderson  <rth@redhat.com>
7810         * cgraph.h (struct cgraph_node): Add alias.
7811         * varasm.c (assemble_alias): Set it.
7812         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
7813         avoid calling cgraph_expand_function.
7815 2005-03-30  Tom Tromey  <tromey@redhat.com>
7817         * tree.def (FILE_TYPE): Removed.
7818         * typeclass.h (enum type_class): Removed file_type_class.
7819         * dwarf2out.c (is_base_type): Updated.
7820         (gen_type_die): Likewise.
7821         * dbxout.c (dbxout_type): Updated.
7822         * builtins.c (type_to_class): Updated.
7823         * tree.c (type_contains_placeholder_1): Updated.
7824         * config/sparc/sparc.c (sparc_type_code): Updated.
7825         * config/ia64/ia64.c (hfa_element_mode): Updated.
7826         * expr.c (count_type_elements): Updated.
7827         * stor-layout.c (layout_type): Updated.
7828         * tree-inline.c (remap_type): Updated.
7829         * tree-pretty-print.c (dump_generic_node): Updated.
7831 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
7833         * builtins.c (expand_builtin_powi): Fix mode of
7834         2nd argument to match int.
7835         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
7836         2nd argument type to int.
7837         * libgcc2.c: Change prototype of __powi* functions to use
7838         int.
7840 2005-03-30  Dale Johannesen  <dalej@apple.com>
7842         PR middle-end/19225
7843         * calls.c (expand_call):  Flush pending deferrals before
7844         throwing call.
7846 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
7848         PR c/772
7849         PR c/17913
7850         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
7851         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
7852         c_label_context, label_context_stack): New.
7853         * c-decl.c (define_label): Check for jumps into statement
7854         expressions.  Add label to list of defined labels.
7855         (start_function): Push context on label_context_stack.
7856         (finish_function): Pop context from label_context_stack.
7857         * c-typeck.c (label_context_stack): New.
7858         (c_finish_goto_label): Check for jumps into statement
7859         expressions.  Add label to list of jumped to labels.
7860         (struct c_switch): Add blocked_stmt_expr.
7861         (c_start_case): Initialize it.
7862         (do_case): Check it.
7863         (c_finish_case): Verify !blocked_stmt_expr.
7864         (c_begin_stmt_expr):  Push context on label_context_stack.
7865         Increment blocked_stmt_expr.  Mark labels jumped to from outside
7866         as undefinable.
7867         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
7868         defined in the statement expression and no longer jumpable to.
7869         Mark labels jumped to from just outside the statement expression
7870         as again definable.  Pop context from label_context_stack.
7871         * doc/extend.texi (Statement Exprs): Update.
7873 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
7875         PR c/20368
7876         * c-decl.c (start_function): Check for old_decl being
7877         error_mark_node.
7879 2005-03-30  Ian Lance Taylor  <ian@airs.com>
7881         * final.c (final): Remove prescan parameter.  Change all callers.
7882         (final_scan_insn): Remove prescan parameter.  Change all callers.
7884 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
7886         * tree-vectorizer.c: Fix comment typos.
7888 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
7890         * tree-scalar-evolution.c (instantiate_parameters_1): Return
7891         as soon as a chrec_dont_know is detected.
7893 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
7895         Merge from csl-arm-branch.
7896         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
7898         * tlink.c (recompile_files): Do not assume that "rename" can
7899         overwrite an existing file.
7901 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
7903         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
7904         * gcc/configure: Regenerate.
7906 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
7908         * doc/install.texi: Update binutils requirement for powerpc*-linux.
7910         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
7912         * calls.c (struct arg_data): Update "partial" comment.
7913         (load_register_parameters): Update "nregs" comment.
7915 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7917         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
7918         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
7919         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
7920         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
7921         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
7922         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
7923         than target_flags & 0.
7924         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
7925         (iq2000_arch, iq2000_parse_cpu): Delete.
7926         (TARGET_HANDLE_OPTION): Override default.
7927         (iq2000_handle_option): New function.
7928         (override_options): Remove -march= and -mcpu= handling.
7929         * config/iq2000/iq2000.opt: New file.
7931 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7933         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
7934         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
7935         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
7936         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
7937         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
7938         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
7939         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
7940         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
7941         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
7942         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
7943         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
7944         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
7945         (c4x_rpts_cycles_string, c4x_cpu_version_string)
7946         (TARGET_OPTIONS): Delete.
7947         (c4x_rpts_cycles, c4x_cpu_version): Declare.
7948         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
7949         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
7950         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
7951         (c4x_cpu_version_string): Delete.
7952         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7953         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
7954         equivalent -mcpu= option.
7955         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
7956         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
7957         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
7958         or clearing the appropriate MASK_* bit.
7959         (c4x_file_start): Use c4x_cpu_version.
7960         * config/c4x/c4x.opt: New file.
7962 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7964         * doc/options.texi: Document the new MaskExists flag.
7965         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
7966         if the option has the MaskExists flag.
7968 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7970         * opt-functions.awk (flag_set_p, test_flag): New functions.
7971         (switch_flags): Use them.
7972         * opth-gen.awk: Use flag_set_p to check for flags.
7973         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
7975 2005-03-30  Ian Lance Taylor  <ian@airs.com>
7977         * config.host (i[34567]86-*-mingw32*): Don't set
7978         host_can_use_collect2 to no.
7980 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
7982         PR target/20203
7983         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
7984         Remove convert_memory_address call duplicating that in memory_address.
7986 2005-03-29  Richard Henderson  <rth@redhat.com>
7988         PR c/20519
7989         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
7990         (build_compound_literal): Likewise.  Propagate decl type into the
7991         initializer.
7992         (finish_decl): Likewise.  Use new return value from complete_array_type
7993         for zero sized arrays.
7994         (complete_array_type): Move ...
7995         * c-common.c (complete_array_type): ... here.  Change first argument
7996         to pointer-to-type-node.  Consistently use sizetype for the index
7997         except for zero sized arrays.  Detect zero sized arrays for pedantic
7998         mode diagnostics.  Create a new type node instead of modifying the
7999         old node in place.
8000         * c-tree.h (complete_array_type): Move decl ...
8001         * c-common.h (complete_array_type): ... here.
8003 2005-03-29  Richard Henderson  <rth@redhat.com>
8005         PR tree-opt/19108
8006         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
8008 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
8010         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
8011         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
8012         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
8013         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
8015 2005-03-29  Eric Christopher  <echristo@redhat.com>
8017         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
8018         truthvalue conversion removal.
8020 2005-03-29  Ian Lance Taylor  <ian@airs.com>
8022         PR bootstrap/14316
8023         * collect2.c: Never include <vfork.h>.
8024         (VFORK_STRING, vfork): Don't define.
8025         (pid): Remove global variable.
8026         (handler): Call raise instead of kill (getpid(), ...).
8027         (collect_wait): Add pex parameter.  Change all callers.  Use
8028         pex_get_status rather than pwait.
8029         (do_wait): Add pex parameter.  Change all callers.
8030         (collect_execute): Return struct pex_obj * rather than void.  Use
8031         pex routines rather than pexecute.
8032         (fork_execute): Get pex_obj from collect_execute, and pass it to
8033         do_wait.
8034         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
8035         Only declare quit_handler if SIGQUIT is defined.
8036         (scan_libraries): Likewise.
8037         * collect2.h (collect_execute): Update declaration.
8038         (collect_wait): Update declaration.
8039         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
8040         pass it to collect_wait.
8042 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
8044         PR c/20672
8045         * c-parser.c (c_parser_compound_statement_nostart): Give error
8046         message for EOF instead of just setting parser->error.
8048 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
8050         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
8051         (slpeel_update_phi_nodes_for_guard1): New function.
8052         (slpeel_update_phi_nodes_for_guard2): New function.
8053         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
8054         of slpeel_update_phi_nodes_for_guard.
8055         (vectorize_loops): Remove call to loop_closed_rewrite.
8056         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
8057         assertion.
8059 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
8061         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
8062         (TARGET_LITTLE_ENDIAN): New macro.
8063         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
8064         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
8065         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
8066         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
8067         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
8068         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
8069         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
8070         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
8071         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
8072         (TARGET_OPTIONS): Delete.
8073         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
8074         (CACHE_FLUSH_TRAP): Turn into an integer.
8075         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
8076         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
8077         -mflush-trap is in use.
8078         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
8079         (m32r_cache_flush_trap_string): Delete.
8080         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
8081         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
8082         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
8083         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8084         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
8085         -mmodel= and -msdata= handling from...
8086         (m32r_init): ...here.
8087         * config/m32r/m32r.opt: New file.
8089 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
8091         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
8092         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
8093         * tree-vect-analyze.c (vect_object_analysis): additional parm
8094         pass back a "struct ptr_info_def *" with the points-to info.
8095         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
8096         statement using info returned from vect_object_analysis.
8097         * tree-vect-transform.c (update_vuses_to_preheader): New function.
8098         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
8099         for virtual uses and defs when creating a replacement vector
8100         reference.  Call duplicate_ssa_name_ptr_info to define points-to
8101         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
8102         (vectorizable_store): copy_virtual_operands and update
8103         definition statements.
8104         (vectorizable_load): copy_virtual_operands.  Remove call to
8105         mark_call_clobbered_vars_to_rename for call to "const" builtin.
8106         * tree-vectorizer.c (vectorize_loops): Remove calls to
8107         rewrite_into_ssa and bitmap_clear (vars_to_rename).
8108         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
8109         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
8110         define macro STMT_VINFO_PTR_INFO for use in accessing.
8111         * tree.h add export of duplicate_ssa_name_ptr_info.
8112         * rs6000.c (altivec_init_builtins): Declare builtin function
8113         __builtin_altivec_mask_for_load to be "const".
8115 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
8117         PR middle-end/20622
8118         * cgraph.h (struct cgraph_varpool_node): Add alias field.
8119         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
8120         assemble_variable on aliases.
8121         * varasm.c (assemble_alias): Set node->alias.
8122         * toplev.c (wrapup_global_declarations): Don't call
8123         rest_of_decl_compilation on aliases again.
8125 2005-03-29  Paul Brook  <paul@codesourcery.com>
8127         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
8128         * config/arm/arm.c (arm_dbx_register_number): New function.
8129         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
8131 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
8133         PR middle-end/20263
8134         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
8135         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
8137 2005-03-29  Dale Johannesen <dalej@apple.com>
8139         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
8140         $(TREE_H) and $(COVERAGE_H).
8141         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
8142         * opts.c (common_handle_option): Enable tree-based value transforms.
8143         * toplev.c (process_options): Ditto.
8144         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
8145         refers to references to this type.
8146         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
8147         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
8148         for may_be_more, may_be_less.
8149         (rtl_gen_pow2_profiler): Adjust.
8150         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
8151         (rtl_gen_one_value_profiler): Adjust.
8152         (rtl_gen_const_delta_profiler): Adjust.
8153         * tree-profile.c (tree_gen_interval_profiler): Implement.
8154         (tree_gen_pow2_profiler): Ditto.
8155         (tree_gen_one_value_profiler): Ditto.
8156         (tree_profiling): New.
8157         (pass_tree_profile): Reference it.
8158         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
8159         tree.h, gcov-io.h.
8160         (insn_divmod_values_to_profile): Rename to
8161         rtl_divmod_values_to_profile. Adjust.
8162         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
8163         (insn_prefetch_values_to_profile): Adjust.
8164         (rtl_value_profile_transformations): Adjust.
8165         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
8166         (gen_mod_pow2): Rename to rtl_mod_pow2.
8167         (gen_mod_subtract): Rename to rtl_mod_subtract.
8168         (divmod_fixed_value_transform): Rename to
8169         rtl_divmod_fixed_value_transform.
8170         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
8171         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
8172         (rtl_find_values_to_profile): Adjust.
8173         (tree_value_profile_transformations): Implement.
8174         (tree_divmod_values_to_profile): New.
8175         (tree_values_to_profile): New.
8176         (tree_divmod_fixed_value): New.
8177         (tree_mod_pow2): New.
8178         (tree_mod_subtract): New.
8179         (tree_divmod_fixed_value_transform): New.
8180         (tree_mod_pow2_value_transform): New.
8181         (tree_mod_subtract_transform): New.
8182         (tree_find_values_to_profile): Implement.
8183         * profile.c (instrument_values):  Free histograms.
8184         (compute_value_histograms): Adjust. Implement tree version.
8186 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
8188         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
8189         * config/i386/i386.c (output_fix_trunc): Add new round_mode
8190         variable.  Output "fldcw" depending on round_mode.
8191         * config/i386/i386.md (UNSPEC_FIST): New.
8192         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
8193         New isns patterns to implement lrint and llrint built-ins as x87
8194         intrinsic function.
8195         (fistdi2, fist<mode>2 splitters): New splitters.
8196         (lrint<mode>2): New expanders.
8198 2005-03-28  Ian Lance Taylor  <ian@airs.com>
8200         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
8201         0 when calling final_scan_insn.
8203 2005-03-28  Jan Hubicka  <jh@suse.cz>
8205         PR middle-end/20635
8206         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
8207         as needed.
8209         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
8210         types where possible.
8212 2005-03-26  Per Bothner  <per@bothner.com>
8214         Make -f[no-]show-column also control non-cpp diagnostics.
8215         * c.opt (fshow-column): Move option from here ...
8216         * common.opt (fshow-column): ... to here.
8217         * diagnostic.c (diagnostic_build_prefix): Only print column number
8218         if flag_show_column.
8220 2005-03-27  Steven Bosscher  <stevenb@suse.de>
8222         * vax-protos.h (vax_output_int_move, vax_output_int_add,
8223         vax_output_conditional_branch): New prototypes.
8224         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
8225         extracted from vax.md mov and add patterns.
8226         (vax_output_conditional_branch): New function to output conditional
8227         branch instructions.
8228         * vax.md: Use mode macros for arithmetic and mov patterns.
8229         Use code macros for the jump patterns.
8231 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
8233         * Makefile.in (libbackend.o): Depend on version files;
8234         add custom generation command.
8236 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
8238         PR target/20636
8239         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
8240         sure that we have a REG before getting its REGNO.
8242 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8244         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
8245         * builtins.def (BUILT_IN_STRNDUP): New.
8247 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
8249         PR tree-optimization/20470
8250         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
8251         ABS(x-y).
8253 2005-03-25  Mike Stump  <mrs@apple.com>
8255         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
8256         sized objects.
8258 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
8260         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
8261         Use our own structure definitions.
8263         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
8264         (fix_truncdfsi2): Allow registers or memory as destination.
8265         When TARGET_PPC_GFXOPT, generate simplified pattern.
8266         (fix_truncdfsi2_internal): Use define_insn_and_split.
8267         (fix_truncdfsi2_internal_gfxopt): New.
8268         (fctiwz): Don't confuse register allocation by giving it no choices.
8269         (stfiwx): New.
8270         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
8271         (EXTRA_MEMORY_CONSTRAINT): Likewise.
8272         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
8273         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
8275 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
8277         * dominance.c (free_dominance_info): Speed up by freeing et
8278         data structures without maintaining other nodes.
8279         * et-forest.c (et_free_tree_force): New.
8280         * et-forest.h: Add a prototype for et_free_tree_force.
8282         * tree.c (get_set_constructor_bits,
8283         get_set_constructor_bytes): Remove.
8284         * tree.h: Remove the corresponding prototypes.
8286 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
8288         PR target/15491
8289         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
8290         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
8291         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
8292         PRE_DEC, NEG and NOT.
8294 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
8296         * fold-const.c: Convert uses of fold (build (...)) to
8297         fold_buildN.
8299 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
8301         PR rtl-optimization/20249
8302         * cse.c (insert_regs): Do not record equivalence of registers in
8303         different modes.
8305 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
8307         * emit-rtl.c (reverse_comparison): Remove.
8308         * rtl.h: Remove the corresponding prototype.
8310 2005-03-24  James E Wilson  <wilson@specifixinc.com>
8312         * doc/install.texi (--enable-altivec): Delete docs.
8314 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
8316         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
8317         SFmode and DFmode before reload when
8318         flag_unsafe_math_optimizations not enabled.
8320 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
8322         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
8324         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
8325         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
8327 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
8329         * configure.ac (enable-checking): Add 'runtime' option.
8330         * doc/install.texi (enable-checking): Document 'runtime' checking.
8331         * tsystem.h (gcc_assert, gcc_unreachable): Define.
8332         * config.in: Regenerated.
8333         * configure: Regenerated.
8335 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
8337         * optabs.h (enum optab_index): Remove OTI_llrint.
8338         (llrint_optab): Remove macro.
8339         * optabs.c (init_optabs): Remove llrint_optab initialization.
8340         * genopinit.c (optabs): Remove llrint_optab implementation.
8341         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
8342         using lrint_optab.
8344 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
8346         PR rtl-optimization/20532
8347         * simplify-rtx.c (simplify_binary_operation_1): Protect from
8348         overflow when adding coefficients for PLUS or MINUS.
8349         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
8350         two as multiplier.
8352 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
8354         * langhooks.h (truthvalue_conversion): Remove.
8355         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
8356         LANG_HOOKS_TRUTHVALUE_CONVERSION.
8357         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
8358         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
8359         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
8361 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
8363         * params.def: Fix a typo.
8364         * config/mips/mips.c: Follow the spelling convensions.
8365         * doc/invoke.texi: Fix typos.
8367 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
8369         Fix PR tree-optimization/20601
8371         * tree-ssa-pre.c (insert_aux): Add missing condition to
8372         constification.
8374 2005-03-23  Ian Lance Taylor  <ian@airs.com>
8376         * final.c (final_scan_insn): Don't remove no-op instructions.
8377         * reload1.c (reload): Remove simple no-op instructions even when
8378         not optimizing.
8380 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
8382         PR tree-optimization/20501
8383         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
8384         reporting that peeling for alignment is applied moved to...
8385         * (vect_analyze_data_refs_alignment): Here.
8387 2005-03-23  Ian Lance Taylor  <ian@airs.com>
8389         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
8391 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8393         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
8394         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
8396 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
8398         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
8399         imply that this is called once, independent of asms in code.
8400         Adjust to now being pased output and input lists.  Mention helper
8401         function decl_overlaps_hard_reg_set_p.
8402         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
8403         hook_tree_tree_identity and to take three trees, returning third.
8404         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
8405         prototype.
8406         * stmt.c: include hard-reg-set.h before tree.h.
8407         (decl_overlaps_hard_reg_set_p): New function, broken out from...
8408         (decl_conflicts_with_clobbers_p): Call
8409         decl_overlaps_hard_reg_set_p.
8410         (expand_asm_operands): Pass output and input lists in call to
8411         targetm.md_asm_clobbers.
8412         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
8413         hook_tree_tree_tree_tree_3rd_identity.
8414         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
8415         parameters.
8416         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
8417         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
8418         parameters, first two unused.
8419         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
8420         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
8421         in constraint letters and MOF is not mentioned as a asm-declared
8422         register in neither of the input and output lists.
8424 2005-03-23  DJ Delorie  <dj@redhat.com>
8426         * optabs.c (expand_binop): Make sure the first subword's result
8427         gets stored.
8429 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
8431         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
8432         Call c_common_truthvalue_conversion rather than
8433         lang_hooks.truthvalue_conversion.
8434         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
8435         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
8436         c-typeck.c.
8437         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
8438         c_common_truthvalue_conversion.
8439         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
8440         c_parser_conditional_expression, c_parser_binary_expression): Call
8441         c_objc_common_truthvalue_conversion.
8442         * c-typeck.c (build_unary_op): Call
8443         c_objc_common_truthvalue_conversion.
8444         (build_conditional_expr): Do not call
8445         lang_hooks.truthvalue_conversion.
8446         (build_binary_op): Call c_common_truthvalue_conversion.
8447         (c_objc_common_truthvalue_conversion): Moved from
8448         c-objc-common.c.  Call default_function_array_conversion instead
8449         of default_conversion.
8451 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
8453         * c-common.h (default_conversion): Remove.
8454         (perform_integral_promotions): Add.
8455         * c-tree.h (default_conversion): Add.
8456         * c-typeck.c (perform_integral_promotions): New, split out from
8457         default_conversion.
8458         * c-common.c (check_case_value): Use perform_integral_promotions,
8459         not default_conversion.
8460         (c_add_case_label): Don't continue processing case label after
8461         found to be pointer.
8463 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
8465         * gcc.c (do_spec_1): Do not add a -L path for a directory in
8466         the prefix list if we have already added a multilib directory
8467         based on that path.
8468         (main): Do not add MD_EXEC_PREFIX to the list of directories to
8469         search with -L.
8471 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
8473         * reload1.c (indirect_symref_ok, reload_obstack): Make them
8474         static.
8475         * reload.h: Remove the prototype for indirect_symref_ok.
8477         * reload1.c (indirect_symref_ok): Make it global.
8478         * reload.h: Add a prototype for indirect_symref_ok.
8480 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
8482         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
8483         ashlhi3 expander.
8485 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
8487         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
8489 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
8491         * c-opts.c (c_common_parse_file): Only start/end main source file
8492         if debug hooks says the writer wants it.
8493         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
8494         member.
8495         (xcoff_debug_hooks): Ditto.
8496         * debug.c (do_nothing_hooks): Ditto.
8497         * debug.h (gcc_debug_hooks): Ditto.
8498         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
8499         * sdbout.c (sdb_debug_hooks): Ditto.
8500         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
8502 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
8504         * doc/extend.texi: Deprecate C++ min/max operators.
8506 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
8508         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
8509         artificial original candidates.
8511 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
8512             Jan Hubicka  <jh@suse.cz>
8513             Steven Bosscher <stevenb@suse.de>
8515         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
8516         call cost based on argument sizes.
8517         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
8518         inlining.
8519         * params.def: (max-inline-inssn-single): Set to 450.
8520         (max-inline-insns-auto): Set to 90.
8521         (max-inline-insns-recursive): Set to 450
8522         (max-inline-insns-recursive-auto): Set to 450.
8523         (large-function-insns): Set to 2700.
8524         (inline-call-cost): New parameter.
8525         * tree-inline.c (estimate_move_cost): New function.
8526         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
8527         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
8528         based on arguments.
8529         * tree-inline.h (estimate_move_cost): Declare.
8530         * invoke.texi: (max-inline-inssn-single): Change default to 450.
8531         (max-inline-insns-auto): Change default to 90.
8532         (max-inline-insns-recursive): Change default to 450
8533         (max-inline-insns-recursive-auto): Change default to 450.
8534         (large-function-insns): Change default to 2700.
8535         (inline-call-cost): Document new parameter.
8537 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
8539         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
8540         (TARGET_DEFAULT): Delete.
8541         * config/i860/i860.opt: New file.
8543 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
8545         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
8546         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
8547         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
8548         (frv_sched_lookahead): Delete.
8549         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
8550         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
8551         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
8552         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
8553         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
8554         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
8555         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
8556         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
8557         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
8558         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
8559         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
8560         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
8561         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
8562         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
8563         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
8564         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
8565         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
8566         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
8567         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
8568         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
8569         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
8570         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
8571         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
8572         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
8573         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
8574         (frv_sched_lookahead): Delete.
8575         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
8576         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8577         (frv_handle_option): New function.  Move -mcpu= handling from...
8578         (frv_override_options): ...here.  Remove handling of other
8579         TARGET_OPTIONS.
8580         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
8581         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
8582         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
8583         and TARGET_NO_MULTI_CE.
8584         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
8585         !TARGET_VLIW_BRANCH.
8586         * config/frv/frv.opt: New file.
8588 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
8590         * fold-const.c (fold_ternary): Take decomposed arguments of
8591         CALL_EXPR.
8592         (fold): Update a call to fold_ternary.
8594         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
8595         * tree.h: Add corresponding prototypes.
8597 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
8599         PR target/20561
8600         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
8601         between jump table and its label.
8602         * final.c (shorten_branches): Handle notes in between ADDR_VEC
8603         resp. ADDR_DIFF_VEC and the label preceeding it.
8604         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
8605         is emitted in the right section.
8607 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
8609         * fold-const.c (fold_unary, fold_binary): Update comments
8610         about arguments.
8612 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
8614         PR rtl-optimization/20527
8615         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
8616         REG_INC note, test that the register also isn't mentioned in PRED
8617         or SUCC.
8619 2005-03-22  Ben Elliston  <bje@au.ibm.com>
8621         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
8622         and definition.
8624 2005-03-21  Mike Stump  <mrs@apple.com>
8626         * varasm.c (default_assemble_visibility): Remove extra ().
8628 2005-03-21  Roger Sayle  <roger@eyesopen.com>
8630         PR middle-end/20557
8631         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
8632         to determine whether a block can be duplicated, rather than test
8633         whether the block contains noncopyable insns ourselves.
8635 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8637         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
8638         predicates.
8640 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
8642         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
8644 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
8646         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
8647         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
8648         * config/fr30/fr30.opt: New file.
8650 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
8652         Fix PR tree-optimization/20542
8654         * tree-flow-inline.h (overlap_subvar): Move to here.
8655         * tree-ssa-operands.c: From here.
8656         * tree-flow.h (overlap_subvar): Declare.
8657         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
8658         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
8659         for variables with subvars.
8661 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
8663         PR middle-end/20177
8664         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
8665         * modulo-sched.c (const_iteration_count): Return on NULL
8666         pre-header.
8667         (print_node_sched_params): Return on NULL dump_file.
8668         (generate_reg_moves): Handle reg-anti dependencies and disregard
8669         closing branch when generating register moves.
8670         (sms_schedule): Mark the SMSed block dirty.
8671         * passes.c (rest_of_handle_sms): Call update_life_info for all
8672         basic-blocks.
8673         * testsuite/gcc.dg/20050321-1.c: New test.
8675 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
8677         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
8678         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
8679         movqi_internal): Likewise.
8681 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
8683         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
8684         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
8685         xtensa_b4const): Delete prototypes.
8686         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
8687         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
8688         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
8689         xtensa_extra_constraint): New prototypes.
8690         (add_operand, arith_operand, nonimmed_operand, mem_operand,
8691         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
8692         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
8693         move_operand, const_float_1_operand, fpmem_offset_operand,
8694         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
8695         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
8696         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
8697         argument type to HOST_WIDE_INT.
8698         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
8699         xtensa_mask_immediate): Likewise.
8700         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
8701         Likewise.  Also make these functions static.
8702         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
8703         (xtensa_const_ok_for_letter_p): New.
8704         (add_operand, arith_operand, nonimmed_operand, mem_operand,
8705         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
8706         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
8707         move_operand, const_float_1_operand, fpmem_offset_operand,
8708         branch_operator, ubranch_operator, boolean_operator): Move to
8709         predicates.md.
8710         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
8711         (xtensa_mem_offset): Change return type to bool.
8712         (xtensa_extra_constraint): New.
8713         (gen_int_relational): Update type of const_range_p function pointer.
8714         Use xtensa_b4const_or_zero.
8715         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
8716         xtensa_const_ok_for_letter_p.  Update comments.
8717         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
8718         (PREDICATE_CODES): Delete.
8719         * config/xtensa/xtensa.md: Include predicates.md.
8720         * config/xtensa/predicates.md: New file.
8722 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8724         * config/v850/v850-protos.h: Remove the prototypes for
8725         reg_or_int9_operand, reg_or_const_operand,
8726         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
8727         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
8728         movsi_source_operand, power_of_two_operand,
8729         not_power_of_two_operand, special_symbolref_operand,
8730         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
8731         register_is_ok_for_epilogue.
8732         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
8733         reg_or_int9_operand, reg_or_const_operand,
8734         call_address_operand, special_symbolref_operand,
8735         movsi_source_operand, power_of_two_operand,
8736         not_power_of_two_operand, register_is_ok_for_epilogue,
8737         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
8738         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
8739         predicates.md.
8740         * config/v850/v850.h (PREDICATE_CODES): Remove.
8741         * config/v850/v850.md: Include predicates.md.
8742         * config/v850/predicates.md: New.
8744 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
8746         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
8747         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
8748         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
8749         (itoolsdir, itoolsdatadir): Move definition above new first use.
8750         (install-itoolsdirs): New rule.
8751         (install-mkheaders): Depend on install-itoolsdirs, not
8752         install-include-dir.
8754 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8756         * tree-into-ssa.c: Remove obsolete comments.
8758 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
8760         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
8761         unrolling if -fpeel-loops is specified, too.
8762         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
8763         Remove superfluous check for flag_unroll_loops.
8765 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
8767         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
8768         (lrint_optab, llrint_optab): Define corresponding macros.
8769         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
8770         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
8771         pattern and llrint_optab using llrintdi2 patterns.
8772         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
8773         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
8774         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
8775         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
8776         flag_unsafe_math_optimizations is set.
8778 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
8780         * combine.c (combine_simplify_rtx, simplify_if_then_else,
8781         simplify_logical, if_then_else_cond, known_cond,
8782         simplify_comparison): Adjust calls to reverse_comparison.
8783         Don't use combine_reversed_comparison_code).
8784         (combine_reversed_comparison_code): Remove.
8785         (reversed_comparison): Using reversed_comparison_code, move it...
8786         * jump.c (reversed_comparison): ... here.
8787         * rtl.h (reversed_comparison): Add prototype.
8789 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8791         * builtins.c (fold_builtin): Take decomposed arguments of
8792         CALL_EXPR.
8793         * fold-const.c (fold_ternary): Update a call to fold_builtin.
8794         * gimplify.c (gimplify_call_expr): Likewise.
8795         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
8796         * tree.h: Update the prototype of fold_builtin.
8798 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
8800         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
8801         * rtlhooks.c (gen_lowpart_no_emit_general): New.
8802         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
8803         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
8804         * simplify-rtx.c (simplify_binary_operation_1): Use it.
8806 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8808         * builtins.c (fold_builtin_1): Take decomposed arguments of
8809         CALL_EXPR.
8810         (fold_builtin): Update a call to fold_builtin_1.
8812 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
8814         PR other/20564
8815         * gcov.c (output_lines): Only output function block summary when
8816         outputting branch information.
8817         * doc/gcov.texi: Document format of preamble and additional block
8818         information lines.
8820 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
8822         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
8823         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
8824         the defaults false if BITS_PER_UNIT != 8.
8825         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
8826         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
8827         than BITS_PER_UNIT != 8.
8828         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
8829         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
8830         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
8831         #undefs.
8832         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
8833         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
8835 2005-03-20  Roger Sayle  <roger@eyesopen.com>
8837         PR middle-end/20539
8838         * fold-const.c (fold_binary): Fix type mismatch between
8839         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
8840         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
8841         for non-truth-valued expressions.
8843         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
8844         and FUNCTION_DECL in the main switch.
8845         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
8846         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
8847         we also need to convert their operands to match.
8848         <TRUTH_NOT_EXPR>: Likewise.
8850 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
8852         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
8853         diagnostic without checking whether an lvalue.
8854         * c-common.h (lvalue_p): Remove.
8855         (enum lvalue_use): Update comment.
8856         (lvalue_or_else): Replace by lvalue_error.
8857         * c-typeck.c (lvalue_p): Make static.
8858         (lvalue_or_else): New.  Call lvalue_error.
8860 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
8862         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
8863         (function_arg_advance): Use rs6000_parm_start.
8864         (function_arg, rs6000_arg_partial_bytes): Likewise.
8866 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
8868         * c-common.c (check_case_value): Adjust comment about stripping
8869         NOPs.
8870         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
8871         * c-typeck.c (default_conversion, convert_arguments,
8872         build_modify_expr, convert_for_assignment, store_init_value,
8873         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
8874         manually.  Remove inaccurate comments.
8876 2005-03-20  Roger Sayle  <roger@eyesopen.com>
8877             Joseph S. Myers  <joseph@codesourcery.com>
8879         * varasm.c (do_assemble_alias): Restore comment describing function.
8880         Annotate the target parameter as potentially unused.
8882 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
8884         PR target/18551
8885         * config/avr/avr.c (avr_output_function_prologue): Do not use
8886         current_function_name() in a label, use a local label instead.
8888 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
8890         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
8891         flag_finite_math_only, not flag_unsafe_math_optimizations.
8893 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
8895         * builtins.c (fold_builtin_1): Update a call to
8896         targetm.fold_builtin.
8897         * hooks.c (hook_tree_tree_bool_null): Rename to
8898         hook_tree_tree_tree_bool_null.  Take one more argument of type
8899         tree.
8900         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
8901         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
8902         hook_tree_tree_tree_bool_null.
8903         * target.h (gcc_target): Update the prototype of fold_builtin.
8904         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
8905         arguments of CALL_EXPR.
8906         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
8907         new prototype.
8909 2005-03-20  Jan Hubicka  <jh@suse.cz>
8911         * cgraph.h (cgraph_node): Add prev_clone pointer.
8912         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
8913         (cgraph_clone_node): Produce doubly linked chain.
8915 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
8917         * c-common.c (handle_aligned_attribute, check_function_sentinel,
8918         get_nonnull_operand, handle_sentinel_attribute,
8919         check_function_arguments_recurse): Do not strip NOPS from
8920         INTEGER_CSTs.
8921         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
8922         Likewise.
8923         * c-format.c (get_constant): Likewise.
8924         * c-parser.c (c_parser_postfix_expression): Likewise.
8925         * c-typeck.c (set_init_index): Likewise.
8926         (convert_arguments): Don't check for NOP_EXPR containing integer
8927         constant.
8929 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
8931         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
8932         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
8933         Take decomposed arguments of CALL_EXPR.
8934         (fold_builtin_1): Update calls to the functions mentioned
8935         above.
8937 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
8939         * c-decl.c (check_bitfield_type_and_width): Require bit-field
8940         width to have integer type.
8941         (build_enumerator): Require enumerator value to have integer type.
8943 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
8945         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
8946         to __builtin_inff.
8948 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
8950         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
8951         std=iso9899:199x): Correct descriptions.
8953 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
8955         * config.gcc: Consistently use solaris2.1[0-9]* instead of
8956         solaris2.1[0-9].
8958 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
8960         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
8961         of CALL_EXPR.
8962         (expand_builtin_memcpy, fold_builtin_1): Update calls to
8963         fold_builtin_memcpy.
8965         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
8966         arguments of CALL_EXPR.
8967         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
8968         fold_builtin_found, fold_builtin_1): Update calls to
8969         fold_trunc_transparent_mathfn.
8971 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8973         PR middle-end/20493
8974         * fold-const.c (fold_widened_comparison): Don't optimize casts of
8975         function pointers on targets that require function pointer
8976         canonicalization.
8977         (fold_sign_changed_comparison): Likewise.
8979 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
8981         * combine.c (try_combine): When changing the mode of a hard reg, make
8982         sure that doing so is valid.
8984 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
8986         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
8987         (TARGET_HANDLE_OPTION): Override default.
8988         (avr_handle_option): New function.
8989         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
8990         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
8991         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
8992         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
8993         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
8994         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
8995         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
8996         (TARGET_OPTIONS): Delete.
8997         * config/avr/avr.opt: New file.
8999 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9001         * config/m32r/m32r-protos.h: Remove the prototypes for
9002         call_address_operand, symbolic_operand, seth_add3_operand,
9003         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
9004         reg_or_uint16_operand, reg_or_cmp_int16_operand,
9005         two_insn_const_operand, move_src_operand,
9006         move_double_src_operand, move_dest_operand,
9007         eqne_comparison_operator, signed_comparison_operator,
9008         large_insn_p, conditional_move_operand, carry_compare_operand,
9009         m32r_block_immediate_operand, extend_operand,
9010         reg_or_eq_int16_operand, int8_operand, and
9011         reg_or_zero_operand.
9012         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
9013         seth_add3_operand, int8_operand, cmp_int16_operand,
9014         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
9015         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
9016         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
9017         move_double_src_operand, move_dest_operand,
9018         eqne_comparison_operator, signed_comparison_operator,
9019         extend_operand, small_insn_p, large_insn_p,
9020         conditional_move_operand, carry_compare_operand,
9021         m32r_block_immediate_operand): Move to predicates.md.
9022         (MAX_MOVE_BYTES): Move to m32r.h.
9023         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
9024         * config/m32r/m32r.md: Include predicates.md.
9025         * config/m32r/predicates.md: New.
9027 2005-03-18  James E Wilson  <wilson@specifixinc.com>
9029         PR c++/19769
9030         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
9031         origin.
9033 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9035         * config/mn10300/mn10300-protos.h: Remove the prototypes for
9036         call_address_operand, const_8bit_operand.
9037         * config/mn10300/mn10300.c (call_address_operand,
9038         const_8bit_operand, const_1f_operand): Move to predicates.md.
9039         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
9040         * config/mn10300/mn10300.md: Include predicates.md.
9041         * config/mn10300/predicates.md: New.
9043 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
9045         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
9046         declarations in diagnostics and %E for identifiers, not %s.
9048 2005-03-18  Jan Hubicka  <jh@suse.cz>
9049             Dale Johannesen  <dalej@apple.com>
9051         * basic-block.h (scale_bbs_frequencies_int,
9052         scale_bbs_frequencies_gcov_type): Declare.
9053         * cfg.c (RDIV): New macro.
9054         (update_bb_frequency_for_threading): Fix.
9055         * basic-block.h (scale_bbs_frequencies_int,
9056         scale_bbs_frequencies_gcov_type): New.
9057         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
9058         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
9059         scale_bbs_frequencies_int.
9060         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
9062 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9064         * config/m32r/m32r-protos.h: Remove the prototypes for
9065         call_address_operand, symbolic_operand, seth_add3_operand,
9066         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
9067         reg_or_uint16_operand, reg_or_cmp_int16_operand,
9068         two_insn_const_operand, move_src_operand,
9069         move_double_src_operand, move_dest_operand,
9070         eqne_comparison_operator, signed_comparison_operator,
9071         large_insn_p, conditional_move_operand, carry_compare_operand,
9072         m32r_block_immediate_operand, extend_operand,
9073         reg_or_eq_int16_operand, int8_operand, and
9074         reg_or_zero_operand.
9075         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
9076         seth_add3_operand, int8_operand, cmp_int16_operand,
9077         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
9078         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
9079         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
9080         move_double_src_operand, move_dest_operand,
9081         eqne_comparison_operator, signed_comparison_operator,
9082         extend_operand, small_insn_p, large_insn_p,
9083         conditional_move_operand, carry_compare_operand,
9084         m32r_block_immediate_operand): Move to predicates.md.
9085         (MAX_MOVE_BYTES): Move to m32r.h.
9086         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
9087         * config/m32r/m32r.md: Include predicates.md.
9088         * config/m32r/predicates.md: New.
9090         * config/pa/pa-protos.h: Add prototypes for magic_milli and
9091         shadd_constant_p.
9092         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
9093         symbolic_operand, symbolic_memory_operand,
9094         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
9095         indexed_memory_operand, move_dest_operand, move_src_operand,
9096         prefetch_cc_operand, prefetch_nocc_operand,
9097         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
9098         arith_operand, arith11_operand, pre_cint_operand,
9099         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
9100         ireg_operand, int5_operand, uint5_operand, int11_operand,
9101         uint32_operand, arith5_operand, and_operand, ior_operand,
9102         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
9103         pc_or_label_operand, div_operand, plus_xor_ior_operator,
9104         shadd_operand, movb_comparison_operator,
9105         cmpib_comparison_operator): Move to predicates.md.
9106         (magic_milli, shadd_constant_p): Make it extern.
9107         * config/pa/pa.h (PREDICATE_CODES): Remove.
9108         * config/pa/pa.md: Include predicates.md.
9109         * config/pa/predicates.md: New.
9111         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
9112         predicate.
9114 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9116         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
9117         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
9118         config/alpha/freebsd.h, config/alpha/linux.h,
9119         config/alpha/netbsd.h, config/alpha/osf5.h,
9120         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
9121         config/h8300/h8300-protos.h, config/h8300/h8300.c,
9122         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
9123         doc/cppopts.texi: Update copyright.
9125 2005-03-18  Jan Hubicka  <jh@suse.cz>
9127         PR middle-end/20225
9128         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
9129         too late.
9130         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
9131         called too late.
9133 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9135         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
9136         VEC_safe_push.
9138 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
9140         * combine.c (gen_binary): Remove.
9141         (known_cond, simplify_shift_const, find_split_point,
9142         combine_simplify_rtx, simplify_if_then_else, simplify_set,
9143         simplify_logical, expand_field_assignment, extract_left_shift,
9144         force_to_mode, if_then_else_cond, apply_distributive_law,
9145         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
9146         simplify_comparison, reversed_comparison): Replace with
9147         simplify_gen_binary, simplify_gen_relational or
9148         distribute_and_simplify_rtx.
9149         (distribute_and_simplify_rtx): New function.
9151 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
9152             Paolo Bonzini  <gcc.gnu.org>
9154         * calls.c (setjmp_call_p, special_function_p): Update comments
9155         at the head of the functions.
9157 2005-03-18  Jan Hubicka  <jh@suse.cz>
9159         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
9161         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
9162         function body should be released; do not proactively release function
9163         bodies in non-unit-at-a-time mode.
9165 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
9167         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
9168         mno-fp-ret-in-387 multilib variants.
9170 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
9172         * common.opt (m): Remove.
9173         * opts.c (handle_option): Pass 'm' options to set_target_switch if
9174         table lookup fails.
9175         (common_handle_option): Remove OPT_m case.
9177 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
9179         * builtins.c (fold_builtin_bitop): Take decomposed arguments
9180         of CALL_EXPR.
9181         (fold_builtin_1): Update a call to fold_builtin_bitop.
9183         * builtins.c (fold_builtin_signbit): Take decomposed arguments
9184         of CALL_EXPR.
9185         (fold_builtin_1): Update a call to fold_builtin_signbit.
9187 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
9189         PR tree-optimization/20474
9190         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
9191         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
9193 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
9195         * config/h8300/h8300-protos.h: Remove prototypes for
9196         general_operand_src, general_operand_dst, single_one_operand,
9197         single_zero_operand, call_insn_operand,
9198         two_insn_adds_subs_operand, small_call_insn_operand,
9199         jump_address_operand, bit_operand, bit_memory_operand,
9200         stack_pointer_operand, const_int_gt_2_operand,
9201         const_int_ge_8_operand, const_int_qi_operand,
9202         const_int_hi_operand, incdec_operand, bit_operator,
9203         nshift_operator, eqne_operator, gtle_operator,
9204         gtuleu_operator, iorxor_operator.
9205         Add prototypes for h8sx_shift_type h8sx_classify_shift and
9206         h8300_ldm_stm_parallel.
9207         * config/h8300/h8300.c (h8sx_shift_type,): Move to
9208         h8300-protos.h.
9209         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
9210         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
9211         (h8300_ldm_stm_parallel): Make it extern.
9212         (h8300_ldm_parallel, h8300_stm_parallel,
9213         h8300_return_parallel, general_operand_src,
9214         general_operand_dst, h8300_dst_operand, h8300_src_operand,
9215         nibble_operand, reg_or_nibble_operand, single_one_operand,
9216         single_zero_operand, call_insn_operand,
9217         two_insn_adds_subs_operand, small_call_insn_operand,
9218         jump_address_operand, bit_operand, bit_memory_operand,
9219         stack_pointer_operand, const_int_gt_2_operand,
9220         const_int_ge_8_operand, const_int_qi_operand,
9221         const_int_hi_operand, incdec_operand, eqne_operator,
9222         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
9223         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
9224         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
9225         nshift_operator): Move to predicates.md.
9226         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
9227         * config/h8300/h8300.md: Include predicates.md.
9228         * config/h8300/predicates.md: New.
9230 2005-03-17  Richard Henderson  <rth@redhat.com>
9232         * config.gcc (ia64*-*-hpux*): Add extra_options.
9233         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
9234         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
9235         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
9236         (ia64_tls_size_string, ia64_tune_string): Remove.
9237         (ia64_tune): Init to PROCESSOR_ITANIUM2.
9238         (TARGET_DEFAULT_TARGET_FLAGS): New.
9239         (TARGET_HANDLE_OPTION): New.
9240         (ia64_override_options): Move options parsing ...
9241         (ia64_handle_option): ... here.  New.
9242         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
9243         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
9244         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
9245         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
9246         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
9247         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
9248         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
9249         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
9250         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
9251         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
9252         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
9253         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
9254         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
9255         TARGET_EARLY_STOP_BITS): Remove.
9256         (TARGET_ILP32): Default false.
9257         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
9258         (enum ia64_inline_type): New.
9259         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
9260         * config/ia64/ia64.md: Update for new definitions of
9261         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
9262         * config/ia64/ia64.opt: New file.
9263         * config/ia64/ilp32.opt: New file.
9265 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9267         PR target/18380
9268         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
9270 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
9272         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
9273         instead of MASK_H8300S.
9274         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
9275         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
9276         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
9277         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
9278         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
9279         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
9280         TARGET_SWITCHES): Remove.
9281         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
9282         TARGET_H8300SX.
9283         * config/h8300/h8300.opt: New.
9285         * config/alpha/alpha.opt, config/arc/arc.opt,
9286         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
9287         notices.
9289 2005-03-17  Ian Lance Taylor  <ian@airs.com>
9291         * gmon.c: Remove.
9293 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
9295         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
9296         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
9297         (TARGET_HANDLE_OPTION): Override default.
9298         (arc_handle_option): New function.
9299         (arc_init): Remove code to set arch_cpu_string.
9300         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
9301         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
9302         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
9303         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
9304         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
9305         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
9306         (arc_rodata_string, TARGET_OPTIONS): Delete.
9307         * config/arc/arc.opt: New file.
9309 2005-03-17  Richard Henderson  <rth@redhat.com>
9311         * doc/extend.texi (Weak Pragmas): New section.
9312         (attribute alias): Clarify that target must be in the same
9313         translation unit.
9315 2005-03-17  Richard Henderson  <rth@redhat.com>
9317         * config/alpha/alpha.opt: New file.
9318         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
9319         of alpha_cpu.
9320         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
9321         alpha_fprm_string, alpha_fptm_string): Make static.
9322         (alpha_tls_size_string): Remove.
9323         (alpha_handle_option): New.
9324         (override_options): Update for alpha_cpu/alpha_tune split.
9325         (alpha_file_start): Likewise.
9326         (TARGET_DEFAULT_TARGET_FLAGS): New.
9327         (TARGET_HANDLE_OPTION): New.
9328         * config/alpha/alpha.h (alpha_tune): Declare.
9329         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
9330         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
9331         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
9332         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
9333         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
9334         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
9335         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
9336         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
9337         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
9338         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
9339         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
9340         (TARGET_DEFAULT): Remove MASK_FP.
9341         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
9342         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
9343         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
9344         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
9345         alpha_tls_size_string): Remove.
9346         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
9347         (attribute tune): Rename from attribute cpu.
9348         * config/alpha/ev4.md: Update to match.
9349         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
9350         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
9351         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
9352         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
9353         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
9354         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
9356 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
9358         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
9359         and return without creating new state if before_nops_num is nonzero.
9360         * config/ia64/ia64.md (first_insn): New attribute.
9361         (alloc): Set it to yes.
9363 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
9365         * tree-vectorizer.c (new_vec_stmt_info): Initialize
9366         STMT_VINFO_SUBVARS to NULL.
9367         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9369 2005-03-16 Dale Johannesen  <dalej@apple.com>
9371         * rtlanal.c (find_first_parameter_load):  Rewrite to
9372         return actual first param load or the call if none,
9373         instead of first in block, when not all loads exist.
9375 2005-03-16  Roger Sayle  <roger@eyesopen.com>
9377         * optabs.c (expand_copysign_absneg): Make static.
9378         * optabs.h (expand_copysign_absneg): Delete prototype.
9379         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
9381 2005-03-16  Richard Henderson  <rth@redhat.com>
9383         PR middle-end/15700
9384         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
9385         (alias_pairs): Rename from output_defs.
9386         (find_decl_and_mark_needed): Split out from assemble_alias.
9387         (do_assemble_alias): New.
9388         (assemble_output_def): Remove.
9389         (finish_aliases_1, finish_aliases_2): New.
9390         (process_pending_assemble_output_defs): Remove.
9391         (assemble_alias): Defer aliases for which we don't yet have a
9392         non-external decl for the target symbol.
9393         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
9394         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
9395         * toplev.c (compile_file): Use finish_aliases_2 instead of
9396         process_pending_assemble_output_defs.
9397         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
9398         (process_pending_assemble_output_defs): Remove.
9400 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
9402         Fix PR tree-optimization/20489
9404         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
9405         for empty structures.
9407 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
9409         Fix PR tree-optimization/20490
9411         * tree-ssa-pre.c (create_expression_by_pieces): Use
9412         force_gimple_operand on result of fold.
9414 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
9416         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
9417         of closing parenthesis.
9419 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
9421         * builtins.c (expand_movstr): Update a call to
9422         fold_builtin_strcpy.
9423         (expand_builtin_strncpy): Update a call to
9424         fold_builtin_strncpy.
9425         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
9426         arguments of CALL_EXPR.
9427         (fold_builtin_1): Update calls to fold_builtin_strcpy and
9428         fold_builtin_strncpy.
9429         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
9430         * tree.h: Update the prototypes of fold_builtin_strcpy and
9431         fold_builtin_strncpy.
9433 2005-03-16  Steven Bosscher  <stevenb@suse.de>
9434             Dorit Naishlos  <dorit@il.ibm.com>
9436         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
9437         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
9438         error.
9440 2005-03-16  Steven Bosscher  <stevenb@suse.de>
9442         * tree-inline.c (walk_type_fields, walk_tree,
9443         walk_tree_without_duplicates): Move from here...
9444         * tree.c: ...to here.
9446 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
9448         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
9449         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
9450         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
9451         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
9452         (version): Define using $(BASEVER_c).
9453         (Makefile, config.status, build/gcov-iov.o): No longer depends on
9454         version.c.
9455         (version.o): Depend on version files; add custom generation command.
9456         (prefix.o): Define BASEVER on command line.
9457         (s-iov): Depend on version files; adjust command.
9458         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
9459         Add gcc-vers.texi.
9460         (gcc-vers.texi): New rule.
9461         (doc/%.info, doc/%.dvi): Add -I . to command line.
9462         (doc/gccinstall.dvi): Likewise.
9463         (PACKAGE): Delete.  All uses replaced with "gcc".
9464         * aclocal.m4: Do not include gcc-version.m4.
9465         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
9466         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
9467         Set is_release based on contents of DEV-PHASE.
9468         Set gcc_version based on contents of BASE-VER.
9469         Define WIN32_REGISTRY_KEY only if the user overrode the default.
9470         * config.in, configure: Regenerate.
9471         * gccbug.in: Determine version of GCC in use at runtime.
9472         * gcov-iov.c: Get version number and development phase from
9473         command line, not by including version.c.
9474         * intl.c: Replace all uses of PACKAGE with "gcc".
9475         * libada-mk.in: Delete unused "gcc_version" variable.
9476         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
9477         * version.c: (VERSUFFIX): New hook for redistributors; adjust
9478         commentary to match.
9479         (version_string): Put together from pieces.
9480         * config/alpha/x-vms: Do not use $(gcc_version).
9481         * config/i386/t-nwld: Likewise.
9482         * doc/include/gcc-common.texi: Include gcc-vers.texi for
9483         version-GCC and DEVELOPMENT.
9485 2005-03-15  Roger Sayle  <roger@eyesopen.com>
9487         PR tree-optimization/17454
9488         * tree.c (tree_size): Add case for TREE_BINFO.
9489         * fold-const.c (fold_checksum_tree): Only clear the overloaded
9490         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
9492 2005-03-15  Roger Sayle  <roger@eyesopen.com>
9494         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
9495         op1 whilst expanding the signed widenening multiply variant.
9497 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
9499         * toplev.c (display_target_options): Avoid unused variable warning if
9500         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
9501         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
9502         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
9503         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
9504         (mips_isa_info): New variable.
9505         (mips_parse_cpu): Remove the first argument and leave the caller
9506         to report errors.
9507         (TARGET_HANDLE_OPTION): Override default.
9508         (mips_handle_option): New function.  Move option validation code from...
9509         (override_options): ...here.  Update calls to mips_parse_cpu.
9510         * config/mips/mips.h (mips_arch_string, mips_tune_string)
9511         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
9512         (SUBTARGET_TARGET_OPTIONS): Delete.
9513         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
9514         (mno-flush-func, mtune=): New options.
9516 2005-03-15  Roger Sayle  <roger@eyesopen.com>
9517             Richard Henderson  <rth@redhat.com>
9519         * real.c (c4x_single_format, c4x_extended_format): Provide values
9520         for signbit_ro for c4x's single and extended floating point formats.
9521         * optabs.c (expand_copysign): Use the floating point format's
9522         signbit_ro for expanding via expand_copysign_absneg, and it's
9523         signbit_rw field for expanding via expand_copysign_bit.
9525 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
9527         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
9528         known_alignment_for_access_p.
9529         (known_alignment_for_access_p): New.
9530         (do_peeling_for_alignment): Field made int instead of bool and renamed
9531         to peeling_for_alignment.
9532         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
9533         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
9534         functionality used to be in vect_analyze_operations.
9535         (vect_analyze_operations): Code to determine vectorization factor was
9536         moved to vect_determine_vectorization_factor.
9537         (vect_enhance_data_refs_alignment): Update to correct alignment when it
9538         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
9539         factor.
9540         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
9541         be part of vect_analyze_operations).
9542         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
9543         creating the guard condition, as the number of iterations may be
9544         constant.
9545         (slpeel_tree_peel_loop_to_edge): Use new name of
9546         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
9547         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
9548         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
9549         (vect_do_peeling_for_alignment): Use fold.
9550         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
9552         (vect_update_inits_of_dr): Renamed to
9553         vect_update_init_of_dr.
9554         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
9555         (vectorizable_store): Fix assertion to use == instead of =.
9557 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
9559         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
9560         call_used_regs for wCG registers.
9562 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
9564         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
9565         for non-offsettable memory references to cope with outstanding reload
9566         replacements, take 2.
9568 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
9570         PR target/18668
9571         * config/i386/i386.h (x86_fisttp): New.
9572         (TARGET_FISTTP): New macro.
9573         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
9574         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
9575         instruction when fisttp flag is set.
9576         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
9578         * config/i386/i386.md (type attribute): Add fisttp.
9579         (unit attribute): Set to i387 for fisttp type.
9580         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
9581         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
9582         TARGET_FISTTP.
9583         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
9584         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
9585         macros.
9586         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
9587         patterns for TARGET_FISTTP.  Enable patterns for
9588         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
9589         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
9590         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
9591         implement fisttp x87 insn.
9592         (fix_trunc*_i387_fisttp splitters): New patterns.
9593         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
9594         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
9595         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
9596         clobber.
9597         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
9598         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
9599         Implement using mode macros. Disable patterns for TARGET_FISTTP.
9600         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
9601         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
9602         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
9603         Disable patterns for TARGET_FISTTP.
9604         (fix_trunc*_i387 splitters): Implement usign mode macros.
9605         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
9606         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
9607         (fix_trunx*_sse peephole2s): Implement using mode macros.
9609 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
9611         PR rtl-optimization/20291
9612         * combine.c (try_combine): If splitting fails, re-try with
9613         original combined pattern, i.e. before clobber stripping.
9615 2005-03-14  Eric Christopher  <echristo@redhat.com>
9617         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
9618         STACK_GROWS_DOWNWARD.
9620 2005-03-14  Roger Sayle  <roger@eyesopen.com>
9622         * real.h (struct real_format): Split the signbit field into two
9623         two fields, signbit_ro and signbit_rw.
9624         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
9625         mips_double_format, ieee_extended_motorola_format,
9626         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
9627         ieee_extended_intel_128_format, ibm_extended_format,
9628         mips_extended_format, ieee_quad_format, mips_quad_format,
9629         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
9630         i370_double_format, c4x_single_format, c4x_extended_format,
9631         real_internal_format): Update initializers for new field.
9632         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
9633         real_format structure.
9634         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
9635         field of the real_format structure.
9637 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
9639         Fix PR tree-optimization/20458
9641         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
9642         DECL_EXTERNAL on STRUCT_FIELD tags.
9643         (clear_call_clobbered): Ditto.
9644         * tree-ssa-operands.c (note_addressable): Make sure the original
9645         variable doesn't slip into the addressable list if we have
9646         subvars.
9647         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
9648         tags too.
9650 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
9652         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
9653         (-fwide-exec-charset): Likewise.
9654         (-finput-charset): Likewise.
9655         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
9656         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
9657         * c.opt (Wnormalized): New.
9659 2005-03-14  Devang Patel  <dpatel@apple.com>
9661         * doc/invoke.texi: Add reference to Visibility document.
9663 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
9665         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
9666         MASK_SPLIT_ADDRESSES.
9667         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
9668         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
9669         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
9670         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
9671         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
9672         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
9673         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
9674         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
9675         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
9676         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
9677         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
9678         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
9679         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
9680         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
9681         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
9682         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
9683         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
9684         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
9685         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
9686         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
9687         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
9688         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
9689         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
9690         (TARGET_EXPLICIT_RELOCS): Delete.
9691         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
9692         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
9693         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
9694         (override_options): Set MASK_LONG64 if -mint64 is given and no
9695         -mlongXX option is.  Complain about -mint64 -mlong32.
9696         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
9697         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
9698         * config/mips/mips.opt: New file.
9700 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
9702         * config.gcc (extra_options): New variable for listing option files.
9703         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
9704         * configure.ac (extra_opt_files): New AC_SUBST variable.
9705         (tm_file_list, tm_include_list): Include options.h first.
9706         * configure: Regenerate.
9707         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
9708         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
9709         (s-options-h): New rule.
9710         (options.h): Depend on it.
9711         (TEXI_GCCINT_FILES): Add options.texi.
9712         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
9713         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
9714         * target.h (gcc_target): Add default_target_flags and handle_option.
9715         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
9716         (TARGET_HANDLE_OPTION): New macros.
9717         (TARGET_INITIALIZER): Include them.
9718         * opt-functions.awk (opt_args, nth_arg): New functions.
9719         (switch_flags): Handle the "Target" flag.
9720         (var_args): Delete.
9721         (var_name): Use opt_args and nth_arg.
9722         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
9723         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
9724         macros for the "Mask" and "InverseMask" options.
9725         * opts.h (cl_var_cond): New enum.
9726         (cl_option): Replace the "has_set_value" and "set_value" fields with
9727         "var_cond" and "var_value".
9728         (CL_TARGET): New macro.
9729         (option_enabled, print_filtered_help): Declare.
9730         (decode_options): Move definition.
9731         * opts.c (handle_option): Search for the original option before
9732         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
9733         var_cond and var_value fields.  Use targetm.handle_option to handle
9734         target options.
9735         (decode_options): Set target_flags to targetm.default_target_flags.
9736         (print_filtered_help): Make global.  Handle CL_TARGET.
9737         (option_enabled): New function.
9738         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
9739         (display_target_options, set_target_switch, print_switch_values)
9740         (default_pch_valid_p): Guard uses of target_switches with
9741         #ifdef TARGET_SWITCHES.  Also...
9742         (display_target_options): Display the CL_TARGET entries in cl_options.
9743         (set_target_option): Don't complain about the "" option when
9744         TARGET_SWITCHES is undefined.
9745         (print_switch_values): Use option_enabled.
9746         (default_pch_valid_p): Check cl_options[] when looking for something
9747         that has changed the value of target_flags.
9748         * c.opt: Remove documentation from top of file.
9749         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
9750         * doc/sourecebuild.texi: Refer to the new options documentation
9751         instead of c.opt.  Document machine-specific .opt files.
9752         * doc/tm.texi (target_flags): Say that this variable is declared
9753         by options.h.
9754         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
9755         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
9756         an alternative.
9757         * doc/options.texi: New file.
9759 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
9761         PR middle-end/18628
9762         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
9763         register.
9765 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
9767         PR c++/20280
9768         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
9769         temporary variable of pointer type if an lvalues is required.
9770         (gimplify_modify_expr_rhs): Request an rvalue from it.
9771         (gimplify_expr): Pass fallback on.
9773 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9775         * cfgbuild.c: Update comments.
9777 2005-03-14  Roger Sayle  <roger@eyesopen.com>
9779         PR rtl-optimization/17236
9780         * optabs.c (expand_doubleword_mult): New helper function split out
9781         from expand_binop.  Permute the order in which instructions are
9782         emitted to minimize the number of simultaneously live registers.
9783         (expand_binop): Call expand_doubleword_mult to synthesize a double
9784         word multiplication.
9786 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9788         * basic-block.h: Update the prototypes of cached_make_edge and
9789         rtl_make_eh_edge.
9790         * cfg.c (cached_make_edge): Take edge_cache representing one
9791         row of the adjacency matrix of edges.
9792         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
9793         (make_edges): Initialize edge_cache to represent one row of
9794         the adjacency matrix of edges.
9796 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9798         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
9799         New functions.
9800         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
9801         Remove unused removed_phis variable.
9802         (conditional_replacement): Use build1/build2.
9803         (abs_replacement): Use last_and_only_stmt and build1/build2.
9805 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9807         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
9808         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
9809         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
9810         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
9811         * c-common.c (handle_novops_attribute): New function.
9812         (c_common_attribute_table): Add "no vops" entry.
9813         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
9814         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
9815         * tree-ssa-operands.c (get_call_expr_operands): Do not
9816         create virtual operands for calls with ECF_NOVOPS flag.
9817         * tree.h (DECL_IS_NOVOPS): New macro.
9818         (struct tree_decl): Add novops_flag.
9819         (ECF_NOVOPS): New constant.
9821 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
9823         PR target/17688
9824         * config/i386/i386.c (x86_use_himode_fiop): New.
9825         (x86_use_simode_fiop): Rename from x86_use_fiop.
9826         * config/i386/i386.h (x86_use_himode_fiop): Declare.
9827         (TARGET_USE_HIMODE_FIOP): New.
9828         (x86_use_simode_fiop): Rename from x86_use_fiop.
9829         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
9831         * config/i386/i386.md (X87MODEI12): New mode macro define.
9832         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
9833         to implement x87 FP compare with HImode input operands.
9834         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
9835         Use X87MODEI12 mode macro to handle HImode input operands.
9836         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
9837         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
9838         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
9839         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
9840         macro to implement x87 operators with HImode input operands.
9841         (fop splitters): Use X87MODEI12 mode macro to handle HImode
9842         input operands.
9844 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9846         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
9847         integer_zerop.
9848         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
9849         constants invariant.
9851 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9853         * basic-block.h (BB_VISITED): Removed.
9854         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
9856 2005-03-14  Falk Hueffner  <falk@debian.org>
9858         PR bootstrap/20424
9859         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
9861 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9863         * ggc-zone.c: Fix comment typos.
9865         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
9866         stringpool.c, config/mips/mips-protos.h: Update copyright.
9868 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
9870         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
9871         throughout with its typedef, "rtx".
9872         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
9873         (rs6000_tls_symbol_ref_1): Remove inline keyword.
9874         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
9875         regs in comment to match code.
9877 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9879         * except.c (check_handled): Make it static.
9880         * except.h: Remove the corresponding prototype.
9882         * function.c (get_func_frame_size): Make it static.
9883         * function.h: Remove the corresponding type.
9885         * regclass.c (reg_class_superclasses, reg_class_subclasses):
9886         Make them static.
9887         * hard-reg-set.h: Remove the corresponding declarations.
9889         * tree-cfg.c (verify_stmts): Check that
9890         bb_for_stmt (stmt) == bb for every PHI node and statement.
9892 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
9894         * config.gcc: Remove excess indentation.
9895         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
9897 2005-03-13  Roger Sayle  <roger@eyesopen.com>
9899         PR middle-end/19331
9900         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
9901         * fold-const.c (fold_sign_changed_comparison): Likewise.
9902         (fold_binary): Optimize comparisons against widened operands if
9903         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
9905 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9907         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
9908         (sparc_override_options): Initialize it.
9909         (sparc_struct_value_rtx): Set it on the MEM to be returned.
9911 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
9913         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
9914         (reg_or_none500mem_operand): New predicate.
9915         (zero_reg_mem_operand): New predicate.
9916         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
9917         to reg_or_none500mem_operand.
9918         (extendsfdf2_fpr): Add MEM alternative.
9919         (extenddftf2_internal): Change operand2 predicate to
9920         zero_reg_mem_operand.
9922 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9924         * ggc-zone.c: Rewritten.
9926         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
9927         if there are none.
9928         * configure.ac: Define GGC_ZONE for --with-gc=zone.
9929         * config.in: Regenerated.
9930         * configure: Regenerated.
9931         * gengtype.c (write_types_process_field, write_func_for_structure):
9932         Pass new argument to gt_pch_note_object.
9933         * ggc-common.c (struct ptr_data): Add TYPE.
9934         (gt_pch_note_object): Take TYPE argument and save it.
9935         (call_count): Update call to ggc_pch_count_object.
9936         (call_alloc): Update call to ggc_pch_alloc_object.
9937         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
9938         file.
9939         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
9940         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
9941         (ggc_alloc_zone_stat): Delete.
9942         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
9943         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
9944         (ggc_pch_alloc_object): Update prototypes.
9945         (garbage_zone): Delete.
9946         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
9947         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
9948         pointers.
9949         (tree_id_zone): New variable.
9950         (ggc_alloc_cleared_zone): Remove unused.
9951         (ggc_alloc_zone): Define.
9952         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
9953         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
9954         ggc_alloc_zone_stat.
9955         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
9956         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
9957         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
9958         (make_node_stat): Likewise.  Use tree_id_zone.
9960 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9961             Joseph S. Myers  <joseph@codesourcery.com>
9963         * configure.ac: Check for MIPS TLS.
9964         * configure: Regenerated.
9965         * config/mips/mips-protos.h (enum mips_symbol_type): Add
9966         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
9967         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
9968         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
9969         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
9970         (mips_classify_symbol, mips_symbolic_constant_p)
9971         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
9972         (mips_tls_operand_p, mips_call_tls_get_addr)
9973         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
9974         (mips_tls_symbol_ref_1): New functions.
9975         (mips_legitimize_address, mips_legitimize_const_move): Call
9976         mips_legitimize_tls_address.
9977         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
9978         for MIPS16.
9979         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
9980         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
9981         (mips_char_to_class): Document V1_REG.
9982         (HAVE_AS_TLS): Provide default.
9983         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
9984         constants.
9985         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
9986         !TARGET_ABICALLS.
9987         (tls_get_tp_<mode>): New instruction.
9989 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9991         * configure.ac: Update checks for target tools.
9992         * configure: Regenerated.
9994 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9996         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
9998 2005-03-13  Roger Sayle  <roger@eyesopen.com>
10000         * expmed.c (expand_mult): Use synthetic multiplication sequences for
10001         more classes of DImode multiplication by constant.  Allow both
10002         multiplication by small negative constants (by performing a
10003         multiplication by a positive constant and negating the result) and
10004         multiplications by large powers of two, by using a left shift.
10006 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
10008         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
10009         of basic blocks into work_stack.
10011         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
10012         config/mips/vr.h: Update copyright.
10014         * c-decl.c (c_init_decl_processing): Remove useless calls to
10015         build_function_type.
10017         * builtins.c (fold_trunc_transparent_mathfn,
10018         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
10019         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
10020         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
10021         fold_builtin_strcpy, fold_builtin_strncpy,
10022         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
10023         TREE_TYPE (exp).
10025         * builtins.c (expand_builtin_mathfn_3): Remove local variable
10026         before_call.
10028         * lambda-code.c (lambda_compute_auxillary_space): Remove local
10029         variable determinant.
10031         * tree-cfg.c (group_case_labels): Remove local variable type.
10033         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
10034         variable ann.
10036         * tree-ssa-phiopt.c (value_replacement): Remove local variable
10037         result.
10039 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
10041         PR target/18251
10042         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
10043         (*movmemqi_insn): Delete.
10044         (*movmemhi): Delete.
10046 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
10048         * builtins.c (fold_builtin_classify): Take decomposed
10049         arguments of CALL_EXPR.
10050         (fold_builtin_1): Update a call to fold_builtin_classify.
10052 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
10054         PR c/20402
10055         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
10056         through into call to parser_xref_tag after parse error.
10057         (c_parser_struct_declaration): Consistently return NULL_TREE on
10058         error.
10060 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
10062         * tree-flow-inline.h (ref_contains_array_ref): New function.
10063         (lookup_subvars_for_var): Ditto.
10064         (get_subvars_for_var): Ditto.
10065         (var_can_have_subvars): Ditto.
10067         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
10068         (struct subvar): New type.
10070         * tree-dfa.c (okay_component_ref_for_subvars): New function.
10072         * tree-optimize.c (init_tree_optimization_passes): Call
10073         pass_create_structure_vars.
10075         * tree-ssa-alias.c: Include vec.h.
10076         (init_alias_info): Don't auto-clear call clobbered on struct-field
10077         tags.
10078         (compute_flow_insensitive_aliasing): Handle subvars.
10079         (group_aliases): Handle STRUCT_FIELD aliases.
10080         (setup_pointers_and_addressables): Ditto.
10081         Don't mark variables non-addressable if they still have
10082         addressable subvars.
10083         Also mark subvars addressable when the real variable is marked
10084         addressable.
10085         (add_pointed_to_var): Try to prune the pointed-to set by only
10086         pointing to subvars when possible.
10087         Otherwise, make sure we set addresses_needed and pt_vars to
10088         properly include subvars.
10089         (bitpos_of_field): New function.
10090         (push_fields_onto_fieldstack): Ditto.
10091         (get_or_create_used_part_for): Ditto.
10092         (create_overlap_variables_for): Ditto.
10093         (find_used_portions): Ditto.
10094         (create_structure_vars): Ditto.
10095         (pass_create_structure_vars): New structure.
10097         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
10098         (get_expr_operands): Handle subvars.  Also try to turn
10099         COMPONENT_REF accesses into must-defs now that we can accurately
10100         portray it.
10101         (note_addressable): Try to only mark as addressable those subvars
10102         we know a COMPONENT_REF touches.
10103         (overlap_subvar): New function.
10105         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
10106         Handle subvar storing.
10107         (vect_address_analysis): Update caller of vect_object_analysis.
10109         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
10111         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
10112         (STMT_VINFO_SUBVARS): New macro.
10114         * common.opts: add flag_tree_salias.
10116         * opts.c (decode_options): flag_tree_salias defaults to on.
10118         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
10120         * doc/tree-ssa.texi: Document structural alias analysis.
10122 2005-03-12  Steven Bosscher  <stevenb@suse.de>
10124         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
10125         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
10126         * tree-ssa-operands.c (get_expr_operands): Likewise.
10127         (get_expr_operands): Likewise for ERROR_MARK.
10129 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
10131         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
10132         var.
10134         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
10135         removed_phis.
10137         * tree-ssa-pre.c (compute_avail): Remove local variable val.
10138         (mark_operand_necessary): Remove local variable ver.
10140         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
10141         variable prefix_len.
10143         * value-prof.c (mod_subtract_transform): Remove local variable
10144         value.
10146         * builtins.c (fold_builtin_exponent): Take decomposed
10147         arguments of CALL_EXPR.
10148         (fold_builtin_1): Update a call to fold_builtin_exponent.
10150         * builtins.c (fold_builtin_logarithm): Take decomposed
10151         arguments of CALL_EXPR.
10152         (fold_builtin_1): Update a call to fold_builtin_logarithm.
10154         * c-decl.c (c_init_decl_processing): Remove local variables
10155         ptr_ftype_void and ptr_ftype_ptr.
10157         * gimplify.c (gimplify_expr): Remove local variables r0 and
10158         r1.
10160         * reg-stack.c (move_for_stack_reg): Remove local variable
10161         push_insn.
10162         (compare_for_stack_reg): Remove local variable flags_user.
10163         (convert_regs_1): Remove local variable deleted.
10165         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
10166         variable new_cond.
10167         (combine_blocks): Remove local variables exits and new_e.
10169         * tree-inline.c (expand_call_inline): Remove local variable
10170         decl.
10172         * tree-ssa-live.c (create_ssa_var_map,
10173         calculate_live_on_entry): Remove local variable snn.
10175 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
10177         * c-lex.c (c_lex_with_flags): Add parameter to call to
10178         cpp_spell_token.
10180 2005-03-11  Per Bothner  <per@bothner.com>
10182         * c-tree.h (struct c_declarator): New id_loc field.
10183         * c-pragma.h (c_lex_with_flags): Take position reference.
10184         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
10185         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
10186         (c_lex): Pass dummy location to c_lex_with_flags.
10187         * c-parser.c (c_lex_one_token): Set c_token's location using
10188         c_lex_with_flags, instead of input_location, which might be "ahead".
10189         (c_parser_direct_declarator): Set declarator's id_loc from
10190         c_token's id_loc.
10191         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
10192         declarator's id_loc, rather than probably-imprecise input_location.
10193         (build_id_declarator): Initialize c_declarator's id_loc field.
10195 2005-03-11  Roger Sayle  <roger@eyesopen.com>
10197         PR middle-end/20419
10198         * builtins.c (expand_builtin_signbit): Force the signbit's word
10199         into an integer register to avoid SUBREGs of floating point modes.
10201 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
10203         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
10204         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
10205         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
10206         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
10208 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
10210         PR rtl-optimization/20306
10211         * expr.c (emit_move_complex): Set try_int false if mode is
10212         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
10213         emit_block_move if try_int is true.
10215 2005-03-11  Richard Henderson  <rth@redhat.com>
10217         PR target/20415
10218         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
10219         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
10220         to match.
10222 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
10224         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
10225         (TARGET_FIX_VR4130): New macro.
10226         (TARGET_OPTIONS): Add -mfix-vr4130.
10227         (ISA_HAS_MACCHI): New macro.
10228         (ASM_SPEC): Add -mfix-vr4130.
10229         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
10230         (override_options): Handle mips_fix_vr4130_string.
10231         (mips_avoid_hazards): Clear all_noreorder_p
10232         if we're working around VR4130 errata and the macc alternatives
10233         are not available.
10234         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
10235         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
10236         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
10237         (MULTILIB_DEFAULTS): Remove leading "march=".
10238         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
10239         if no architecture option is given.
10240         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
10241         VR4130 multilibs.
10242         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
10243         * doc/invoke.texi: Document -mfix-vr4130.
10245 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
10247         * config/mips/mips.c (override_options): Only warn about -mint64
10248         deprecation if TARGET_INT64.
10250 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10252         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
10253         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
10254         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
10255         are non-specific regarding the nonnull parameter positions.
10256         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
10257         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
10258         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
10259         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
10261         * builtins.def: Use the non-specific "nonnull" attibute lists.
10263 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
10265         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
10266         single_pred_edge, single_succ, single_pred): Improve comments.
10268 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
10270         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
10271         single_pred_edge, single_succ, single_pred): New inline functions.
10272         * bb-reorder.c (rotate_loop, find_traces_1_round,
10273         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
10274         duplicate_computed_gotos): Use the single_succ/pred functions.
10275         * cfganal.c (forwarder_block_p): Ditto.
10276         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
10277         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
10278         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
10279         merge_seq_blocks): Ditto.
10280         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
10281         * cfglayout.c (fixup_reorder_chain): Ditto.
10282         * cfgloop.c (mark_single_exit_loops, update_latch_info,
10283         canonicalize_loop_headers, verify_loop_structure): Ditto.
10284         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
10285         mfb_update_loops, create_preheader, force_single_succ_latches,
10286         create_loop_notes): Ditto.
10287         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
10288         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
10289         commit_one_edge_insertion, purge_dead_edges,
10290         cfg_layout_can_merge_blocks_p): Ditto.
10291         * except.c (sjlj_emit_function_enter): Ditto.
10292         * flow.c (init_propagate_block_info): Ditto.
10293         * function.c (thread_prologue_and_epilogue_insns): Ditto.
10294         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
10295         insert_insn_end_bb): Ditto.
10296         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
10297         find_if_case_2): Ditto.
10298         * lambda-code.c (perfect_nestify): Ditto.
10299         * lcm.c (optimize_mode_switching): Ditto.
10300         * loop-doloop.c (doloop_modify): Ditto.
10301         * loop-init.c (loop_optimizer_init): Ditto.
10302         * loop-iv.c (simplify_using_initial_values): Ditto.
10303         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
10304         * loop-unswitch.c (unswitch_loop): Ditto.
10305         * modulo-sched.c (generate_prolog_epilog): Ditto.
10306         * predict.c (combine_predictions_for_insn, estimate_probability,
10307         tree_estimate_probability, last_basic_block_p,
10308         estimate_bb_frequencies): Ditto.
10309         * profile.c (branch_prob): Ditto.
10310         * regrename.c (copyprop_hardreg_forward): Ditto.
10311         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
10312         * tracer.c (layout_superblocks): Ditto.
10313         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
10314         cfg_remove_useless_stmts_bb, cleanup_control_flow,
10315         cleanup_control_expr_graph, disband_implicit_edges,
10316         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
10317         tree_verify_flow_info, tree_make_forwarder_block,
10318         tree_forwarder_block_p, remove_forwarder_block,
10319         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
10320         * tree-if-conv.c (tree_if_conversion): Ditto.
10321         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
10322         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
10323         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
10324         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
10325         copy_loop_headers): Ditto.
10326         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
10327         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
10328         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
10329         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
10330         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
10331         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
10332         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
10333         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
10334         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
10335         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
10336         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
10337         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
10338         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
10339         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
10340         slpeel_add_loop_guard): Ditto.
10342 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
10344         PR tree-optimization/15784
10345         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
10346         and -1 - A to ~A.
10348         * stmt.c (expand_case): Don't change index_type.  Convert minval
10349         to the proper type.
10351         PR tree-optimization/20130
10352         * fold-const.c (fold): Fold x * -1 into -x.
10354 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
10356         PR rtl-optimization/20331
10357         * rtlanal.c (modified_between_p): Check its address first for MEM.
10358         (modified_in_p): Likewise.
10360 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
10362         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
10364 2005-03-10  Steven Bosscher  <stevenb@suse.de>
10366         * expr.c (expand_expr_real_1): If possible, use a conditional
10367         move for expanding MIN_EXPR and MAX_EXPR.
10368         Use temp for moving around rtx-en.
10370 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
10372         PR rtl-opt/20412
10373         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
10374         correct mode.
10376 2005-03-10  Roger Sayle  <roger@eyesopen.com>
10378         * builtins.c (expand_builtin_signbit): Extend to handle floating
10379         point modes wider than the largest integer type, using the
10380         operand_subword_force function to obtain the signbit's word.
10382 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
10384         PR target/20322
10385         * combine.c (try_combine): If recog_for_combine added CLOBBERs
10386         to NEWI2PAT, fail to combine if they are used by NEWPAT.
10388 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
10390         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
10392 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
10394         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
10395         type void.
10396         (perform_edge_inserts): Unconditionally call
10397         free_dominator_info.
10399         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
10401 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
10403         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
10405 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
10407         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
10409         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
10410         gcc_unreachable.
10411         (rtl_register_value_prof_hooks,
10412         tree_value_profile_transformations,
10413         tree_register_value_prof_hooks): Likewise.
10414         * var-tracking.c (stack_adjust_offset_pre_post,
10415         variable_htab_free, variable_union, dataflow_set_different_2,
10416         count_uses, variable_was_changed, set_frame_base_location,
10417         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
10418         vt_add_function_parameters): Likewise.
10419         * varasm.c (named_section_real, named_section, make_decl_rtl,
10420         asm_emit_uninitialised, assemble_integer, decode_addr_const,
10421         const_hash_1, compare_constant, copy_constant, force_const_mem,
10422         output_constant_pool_2, output_constant_pool_1, output_constant,
10423         output_constructor, make_decl_one_only, decl_tls_model,
10424         default_no_named_section, default_elf_select_section_1,
10425         default_unique_section_1): Likewise.
10426         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
10427         * vmsdbgout.c (addr_const_to_string): Likewise.
10429         PR c++/20375
10430         * function.c (struct assign_parm_data_one): Remove last_named
10431         field.
10432         (assign_parm_find_data_types): Don't determine last_named.
10433         Reorder named_parm determination.
10434         (assign_parms): Only setup varargs on the last non-varadic
10435         parameter.
10437 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
10439         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
10440         sda base address on medium model.
10442 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
10444         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
10445         * cfgloop.c (flow_loop_nodes_find): Export.
10446         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
10447         Declare.
10448         * cfgloopmanip.c (fix_loop_structure): New function.
10449         * predict.c (predict_loops): Clean up the loops information.
10450         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
10451         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
10452         loop structure.
10453         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
10454         (rewrite_into_loop_closed_ssa): Declaration changed.
10455         * tree-loop-linear.c (linear_transform_loops): Add argument to
10456         rewrite_into_loop_closed_ssa call.
10457         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10458         * tree-ssa-loop-im.c (move_computations): Ditto.
10459         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10460         * tree-vectorizer.c (vectorize_loops): Ditto.
10461         * tree-optimize.c: Include cfgloop.h.
10462         (execute_todo): Choose whether to call cleanup_tree_cfg or
10463         cleanup_tree_cfg_loop.
10464         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
10465         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
10466         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
10467         cleanup_tree_cfg_loop call.
10468         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
10469         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
10470         work on part of cfg.
10472 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
10474         PR inline-asm/20314
10475         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
10476         with multiple alternatives.
10478         * stmt.c (parse_output_constraint): Fix a typo.
10480 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
10482         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
10483         assembly directive instead of deprecated "no-generics".
10485 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
10487         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
10488         for non-offsettable memory references to cope with outstanding reload
10489         replacements.
10490         * config/s390/s390.md ("reload_outti"): Call find_replacement to
10491         avoid losing outstanding address reloads.
10492         ("reload_outdi", "reload_outdf"): Likewise.
10494 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10496         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
10497         code.  Add more cbrt transformations.
10499 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10501         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
10503 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
10505         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
10506         NULL_TREE when a given tree is not simplified.
10507         (fold): Return the original tree when any of the functions
10508         mentioned above NULL_TREE.
10510         * fold-const.c (fold_unary, fold_binary): Take decomposed
10511         arguments, code, type, op0, and op1 in case of fold_binary.
10512         (fold): Update calls to fold_unary and fold_binary.
10514 2005-03-09  Roger Sayle  <roger@eyesopen.com>
10516         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
10517         a fndecl and an arglist instead of a CALL_EXPR, exp.
10519 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
10521         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
10523         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
10525         * expr.c (expand_assignment): Remove orig_to_rtx.
10527         * fold-const.c (int_const_binop): Remove no_overflow.
10529         * ifcvt.c (noce_emit_move_insn): Remove inmode.
10531         * loop-iv.c (get_biv_step_1): Remove lhs.
10533         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
10535         * real.c (real_nan): Remove neg.
10537         * function.c (thread_prologue_and_epilogue_insns): Remove i
10538         and newinsn.
10540         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
10541         tb.
10543         * tree-eh.c (tree_could_trap_p): Remove idx.
10545         * tree-into-ssa.c (ann): Remove ann.
10547         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
10549         * tree-sra.c (decide_block_copy): Remove inst_count.
10551         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
10553         * tree-ssa-loop-im.c (lhs): Remove.
10555         * cfgbuild.c (state, STATE, SET_STATE,
10556         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
10557         make_edges.
10558         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
10559         (find_basic_blocks): Set the state of each basic block to
10560         BLOCK_NEW.
10562 2005-03-08  Jeff Law  <law@redhat.com>
10564         * tree-cfg.c (cleanup_control_flow): If removal of a computed
10565         goto results in the removal of edges in the CFG, then we need
10566         to recompute dominators.
10568 2005-03-09  Ben Elliston  <bje@au.ibm.com>
10570         * c-common.c (c_do_switch_warnings): Comment fix.
10572 2005-03-08  Julian Brown  <julian@codesourcery.com>
10574         * Patch from 2005-03-08 reverted for causing regressions and
10575         ppc-darwin bootstrap failure.
10577 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
10579         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
10580         Define the real function for ppc-darwin.
10581         * c-typeck.c (convert_arguments): Check for target-specific
10582         invalid argument call to unprototyped function.
10583         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
10584         New Macro.
10585         * target.h (invalid_arg_for_unprototyped_fn): New field
10586         in struct calls.
10587         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
10588         default target hook.
10589         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
10590         Declare.
10592 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10594         * c-typeck.c (constructor_stack, constructor_range_stack,
10595         initializer_stack): Make them static.
10597         * cfg.c (rbi_pool): Make it static.
10599         * gimple-low.c (lower_stmt_body): Make it static.
10600         * tree-flow.h: Remove the corresponding prototype.  Don't
10601         declare lower_data.
10603         * sched-deps.c (cache_size): Make it static.
10605         * stor-layout.c (lang_adjust_rli): Make it static.
10607 2005-03-08  Julian Brown  <julian@codesourcery.com>
10609         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
10610         from being used for symbols with vague linkage when
10611         HAVE_GAS_COMDAT_GROUP is true.
10613 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
10615         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
10616         nlabel == JUMP_LABEL (jump).
10618 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10620         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
10621         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
10622         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
10623         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
10625 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
10627         PR c/14411
10628         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
10629         * c-common.c (handle_returns_twice): New function.
10630         (c_common_attribute_table): Declare eturns_twice' attribute.
10631         * doc/extend.texi: Document eturns_twice' attribute.
10632         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
10633         (struct tree_decl): Add returns_twice_flag.
10635 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10637         * tree-ssa-phiopt.c: Fix a comment typo.
10639         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
10640         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
10641         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
10642         copyright.
10644 2005-03-08  Richard Henderson  <rth@redhat.com>
10646         * config/alpha/alpha.c (code_for_builtin): Replace special-case
10647         builtin codes with ctzdi2, clzdi2, popcountdi2.
10648         (struct alpha_builtin_def): Add is_const.
10649         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
10650         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
10651         (alpha_init_builtins): Init them.  Set nothrow and const attributes
10652         on builtins.
10653         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
10654         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
10655         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
10656         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
10657         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
10658         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
10659         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
10660         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
10661         (TARGET_FOLD_BUILTIN): New.
10662         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
10663         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
10664         (ffsdi2): Use ctz.
10665         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
10667 2005-03-08  Ira Rosen  <irar@il.ibm.com>
10669         PR tree-optimization/20122
10670         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
10671         condition of access function instead of base.
10673 2005-03-07  Jeff Law  <law@redhat.com>
10674             Steven Bosscher  <stevenb@suse.de>
10676         * tree-cfg.c (find_taken_edge_computed_goto): New function.
10677         (find_taken_edge): Call find_taken_edge_computed_goto as
10678         appropriate.  Allow any gimple invariant rather than just
10679         INTEGER_CST for VAL.
10680         (cleanup_control_flow): Cleanup a computed goto which has turned
10681         into a simple goto.
10682         (tree_merge_blocks): If block B has any forced labels, move
10683         them to the start of block A.
10684         * tree-ssa-dom.c (thread_across_edge): Allow threading across
10685         computed gotos as well.
10686         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
10687         removal of unnecessary computed gotos too.
10688         (lookup_redirection_data): Fix type of INSERT argument.  Callers
10689         updated.
10691 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10693         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
10694         Remove trailing spaces.
10696         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
10697         unshare_all_trees): Make them static.
10698         * tree-gimple.h: Remove the corresponding prototypes.
10700         * diagnostic.h: Remove unused prototype
10701         debug_output_buffer.
10702         * modulo-sched.c: Remove unused prototype
10703         set_row_column_for_ps.
10705         * tree-ssa-phiopt.c (tree_ssa_phiopt,
10706         replace_phi_edge_with_variable): Remove unused variable i.
10708 2005-03-07  Per Bothner  <per@bothner.com>
10710         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
10712 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
10714         PR tree-opt/17671
10715         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
10716         bbs on the COND_EXPR instead of the PHI_NODEs.
10717         (candidate_bb_for_phi_optimization): Remove.
10718         (replace_phi_with_stmt): Rename to ...
10719         (replace_phi_edge_with_variable): this and change so that we
10720         replace the phi argument instead of removing the PHI.
10721         (conditional_replacement): Change so we deal with PHI with more
10722         than two arguments.
10723         (value_replacement): Likewise.
10724         (abs_replacement): Likewise.
10726 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
10728         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
10729         output_e500_flip_gt_bit.
10731         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
10732         as bit 31.
10733         (rs6000_generate_compare): Fix logic to look at the correct bits.
10734         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
10735         Look at GT bit.
10736         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
10737         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
10738         gen_move_from_CR_gt_bit.
10740         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
10741         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
10742         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
10744         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
10745         (E500_CR_IOR_COMPARE): New constant.
10747 2005-03-08  Earl Chew <earl_chew@agilent.com>
10748             David Billinghurst <David.Billinghurst@riotinto.com>
10750         * config/i386/host-cygwin.c: New file to support precompiled
10751         headers on cygwin
10752         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
10753         * config.host: Use above files for cygwin host.
10755 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
10757         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
10758         ordering ops from earlier change.
10760 2005-03-07  Per Bothner  <per@bothner.com>
10762         Various fixes to allow us to again build if --enable-mapped-location:
10763         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
10764         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
10765         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
10766         local variable loc. Change logic appropriately.
10767         * tree-vect-transform.c (vect_finish_stmt_generation): Use
10768         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
10769         * c-parser.c (c_parser_for_statement): Initialize loc variable.
10770         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
10771         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
10773 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
10775         PR rtl-optimization/19683
10776         * reload1.c (choose_reload_regs): Pass the number of bits, not the
10777         number of bytes, to smallest_int_for_mode.  Fix arguments to
10778         REG_CANNOT_CHANGE_MODE_P.
10780 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
10782         * reorg.c (relax_delay_slots): Check that the jump is
10783         conditional before trying to invert it.
10785 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
10787         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
10788         Make them static.
10790         * calls (stack_arg_under_construction): Make it static.
10792         * flow.c (regs_live_at_setjmp): Make it static.
10793         * flow.h: Remove the corresponding prototype.
10795         * reload1.c (reload_startobj, reload_firstobj,
10796         something_needs_operands_changed, reload_inherited,
10797         reload_inheritance_insn, reload_override_in,
10798         reload_spill_index): Make them static.
10800         * recog.c (verify_changes): Make it static.
10801         * recog.h: Remove the corresponding prototype.
10803         * cfgbuild.c (find_sub_basic_blocks): Remove.
10804         * basic-block.h: Remove the corresponding prototype.
10805         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
10806         in comments.
10807         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
10809         * tree-ssa-operands.c (check_build_stmt): Remove.
10811         * stor-layout.c (set_alignment): Remove.
10812         * tree.h: Remove the corresponding prototype.
10814         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
10816         * tree-ssa-dce.c (control_dependence_map,
10817         visited_control_parents): Make them static.
10819         * cfghooks.c (verify_flow_info): Remove local variable
10820         num_bb_notes.
10822         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
10823         last_bb_seen.
10825         * loop-unswitch.c (unswitch_loop): Remove local variable src.
10827 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
10829         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
10831 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
10833         * config/ia64/hpux.h (LINK_SPEC): Add -z.
10834         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
10835         PARALLEL for an empty structure.
10837 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
10839         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
10841         * fold-const.c (fold_binary): Unroll the very first "for"
10842         loop.
10844 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
10846         * config/rs6000/predicates.md (branch_comparison_operator): Remove
10847         redundant match_code test.
10848         (scc_comparison_operator): Swap match_operand and match_code
10849         tests.
10850         (branch_positive_comparison_operator): Same.
10851         (trap_comparison_operator): Use comparison_operator and swap with
10852         match_code test.
10854 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
10856         PR target/20288
10857         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
10858         (out_movhi_r_mr): Read low byte of volatile MEM first.
10859         (out_movhi_mr_r): Write high byte of volatile MEM first.
10861 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
10863         * cselib.c (reg_values, reg_values_size): Make them static.
10865         * cse.c (cse_reg_info_table): Make it static.
10867         * fold-const.c (fold_unary): Use build1 instead of copy_node.
10869 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
10871         * cse.c (find_best_addr): Use canon_for_address.
10873 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
10875         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
10876         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
10877         SUBREG and MEM, respectively.
10879         * fold-const.c (fold_binary): Use code instead of t.
10881         * fold-const.c (optimize_minmax_comparison): Take decomposed
10882         arguments code, type, op0, and op1 instead of t.
10883         (fold_binary): Update a call to optimize_minmax_comparison.
10885         * fold-const.c (fold_range_test): Take decomposed arguments
10886         code, type, op0, and op1 instead of t.
10887         (fold_binary): Update a call to fold_range_test.
10889         * fold-const.c (fold_binary_op_with_conditional_arg): Take
10890         decomposed arguments code, type, op0, and op1 instead of t.
10891         (fold_binary): Update a call to fold_range_test.
10893 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
10895         * fold-const.c (fold_binary): Avoid directly using the original
10896         expression t as much as possible.
10898 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
10900         * c-semantics.c (build_stmt): Use TYPE_P instead of
10901         IS_NON_TYPE_CODE_CLASS.
10902         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
10903         (NON_TYPE_CHECK): Use TYPE_P instead of
10904         IS_NON_TYPE_CODE_CLASS.
10906         * fold-const.c (fold): Remove handling of binary expressions.
10908 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
10910         * doc/c-tree.texi: Wrap comments in @r{}.
10911         * doc/cpp.texi: Likewise.
10912         * doc/cppinternals.texi: Likewise.
10913         * doc/extend.texi: Likewise.
10914         * doc/md.texi: Likewise.
10915         * doc/objc.texi: Likewise.
10916         * doc/sourcebuild.texi: Likewise.
10917         * doc/tm.texi: Likewise.
10918         * doc/tree-ssa.texi
10920 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
10922         * predict.c (apply_return_prediction): Standardize PHI chain
10923         walking.
10924         * tree-ssa.c (ssa_redirect_edge): Likewise.
10926         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
10927         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
10928         Update copyright.
10930         * tree-phinodes.c (remove_phi_node): Drop the last argument.
10931         * tree-flow.h: Adjust the prototype for remove_phi_node.
10932         * lambda-code.c (perfect_nestify): Adjust a call to
10933         remove_phi_node.
10934         * tree-cfg.c
10935         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
10936         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
10937         Likewise.
10938         * tree-ssa-dce.c (remove_dead_phis): Likewise.
10939         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10940         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10941         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
10943         * combine.c (simplify_and_const_int): Use gen_int_mode instead
10944         of GEN_INT (trunc_int_for_mode (...)).
10945         * loop-iv.c (iv_number_of_iterations): Likewise.
10946         * postreload.c (reload_cse_move2add): Likewise.
10947         * simplify-rtx.c (simplify_const_unary_operation,
10948         simplify_const_binary_operation): Likewise.
10949         * stor-layout.c (get_mode_bounds): Likewise.
10951         * fold-const.c (fold_binary): New.
10952         (fold): Call fold_binary on binary expressions.
10954 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
10956         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
10957         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
10958         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
10959         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
10960         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
10962 2005-03-04  Devang Patel  <dpatel@apple.com>
10964         PR tree-optimization/18815
10965         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
10966         loops with zero exit edges.
10968 2005-03-04  Devang Patel  <dpatel@apple.com>
10970         * doc/invoke.texi: Remove reference to webpage that does not exist.
10972 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
10973             Joseph S. Myers  <joseph@codesourcery.com>
10975         PR c++/19797
10976         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
10977         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
10978         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
10979         * pa.c (get_plabel): Change argument to symbol_ref.  Call
10980         maybe_get_identifier instead of get_identifier.
10981         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
10982         (struct deferred_plabel): Replace name field with symbol field.
10983         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
10984         ASM_OUTPUT_EXTERNAL_REAL is defined.
10985         (output_global_address): Use output_addr_const for output of all
10986         symbol_refs.
10987         (output_deferred_plabels): Use symbol_ref instead of name for address
10988         output.
10989         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
10990         ASM_OUTPUT_SYMBOL_REF): New macros.
10991         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
10992         comment.
10993         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
10994         label.
10996 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
10998         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
10999         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
11001 2005-03-04  Jeff Law  <law@redhat.com>
11003         * basic-block.h (rediscover_loops_after_threading): Declare.
11004         * tree-ssa-dom.c: Include cfgloop.h.
11005         (tree_ssa_dominator_optimize): Discover loops and some basic
11006         properties.  Remove forwarder blocks recreated by loop header
11007         canonicalization.  Also mark backedges in the CFG.
11008         * tree-ssa-threadupdate.c: Include cfgloop.h
11009         (rediscover_loops_after_threading): Define.
11010         (struct local_info): New field, JUMP_THREADED.
11011         (prune_undesirable_thread_requests): New function.
11012         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
11013         then record that fact for the callers of redirct_edges.
11014         (thread_block): If BB has incoming backedges, then call
11015         prune_undesirable_thraed_requests.    Note when we are
11016         going to have to rediscover loop information.  Return a
11017         boolean indicating if any jumps were threaded.
11018         (thread_through_all_blocks): Bubble up boolean indicating
11019         if any jumps were threaded.
11020         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
11021         (tree-ssa-threadupdate.o): Similarly.
11023 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
11025         * fold-const.c (fold_ternary): Unroll the "for" loop to
11026         extract operands.
11028 2005-03-04  Andrew Haley  <aph@redhat.com>
11030         * unwind-dw2-fde-glibc.c (struct
11031         unw_eh_callback_data.check_cache): New field.
11032         (frame_hdr_cache): New.
11033         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
11034         Cache frame header info.
11036 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
11038         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
11039         (print_c_condition): Declare.
11040         * read-rtl.c (ptr_loc): New structure.
11041         (ptr_locs, ptr_loc_obstack, joined_conditions)
11042         (joined_conditions_obstack): New variables.
11043         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
11044         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
11045         (join_c_conditions, print_c_condition): New functions.
11046         (apply_macro_to_string): Associate the new string with the same
11047         source location as the old one.
11048         (add_condition_to_string): Use join_c_conditions.
11049         (read_string): Use set_rtx_ptr_loc to record a filename and line
11050         number for the string.
11051         (read_rtx): Initialize the new variables above.
11052         * genattrtab.c (write_test_expr, write_attr_value): Use
11053         print_c_condition.
11054         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
11055         comment above the GCC_VERSION check.
11056         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
11057         Inline the definition of MAYBE_EVAL.
11058         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
11059         * genoutput.c (process_template): Likewise.
11060         * genpreds.c (write_predicate_subfunction): Likewise.
11061         (write_predicate_expr): Use print_c_condition.
11062         * genrecog.c (write_cond): Likewise.
11063         * gensupport.c (process_rtx): Use join_c_conditions to join the
11064         conditions of a define_insn_and_split.  Record a source location
11065         for the string after the "&&".
11066         (alter_test_for_insn): Use join_c_conditions.
11068 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
11070         Revert for now:
11071         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
11072         PR tree-optimization/15784
11073         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
11074         and -1 - A to ~A.
11076 2005-03-04  Ben Elliston  <bje@au.ibm.com>
11078         * gcc.c (option_map): Add --coverage.
11079         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
11080         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
11081         * config/darwin.h: Pass -lgcov for `coverage'.
11082         * doc/invoke.texi (Debugging Options): Document --coverage.
11084 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
11086         * gcse.c (bypass_block): Use find_edge wherever possible.
11088 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
11090         Fix PR debug/20253
11092         * c-opts.c (c_common_parse_file): Call start_source_file
11093         and end_source_file at the approriate times.
11095         * dwarf2out.c (dwarf2out_finish): Don't auto-end
11096         the main file, it will be done for us now.
11098 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
11100         * fold-const.c (fold_ternary): New.
11101         (fold): Call fold_ternary on ternary expressions.  Remove
11102         handling of ternary expressions.
11104 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
11106         PR tree-optimization/15784
11107         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
11108         and -1 - A to ~A.
11110 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
11112         * config/rs6000/predicates.md (branch_comparison_operator):
11113         Convert from C block to conditional format.
11115 2005-03-03  Jan Hubicka  <jh@suse.cz>
11117         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
11118         and non-constant public variables.
11120 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
11122         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
11123         with LABEL_EXPR.
11125         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
11126         EDGE_I.
11128         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
11129         calls to release_ssa_name and release_phi_node.
11131         * fold-const.c (fold): Remove handling of unary expressions.
11133         * fold-const.c (fold_unary): Avoid directly using the original
11134         expression t as much as possible.
11136 2005-03-03  Roger Sayle  <roger@eyesopen.com>
11137             Andrew Pinski  <pinskia@physics.uc.edu>
11139         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
11140         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
11142 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
11144         Describe special registers SRP and MOF as allocatable registers.
11145         * config/cris/cris.c (cris_md_asm_clobbers): New function.
11146         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
11147         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
11148         TARGET_HAS_MUL_INSNS.
11149         (cris_print_operand) <case 'd'>: New case.
11150         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
11151         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
11152         define.
11153         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
11154         (REG_ALLOC_ORDER): Update for MOF.
11155         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
11156         SPECIAL_REGS.
11157         (GENERAL_REGS): No longer a define of ALL_REGS.
11158         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
11159         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11160         Adjust accordingly.
11161         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
11162         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
11163         (SECONDARY_RELOAD_CLASS): Define.
11164         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
11165         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
11166         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
11167         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
11168         (REGISTER_MOVE_COST): Define.
11169         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
11170         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
11171         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
11172         (CRIS_MOF_REGNUM): New define_constants.
11173         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
11174         special registers.
11175         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
11176         New patterns.
11177         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
11178         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
11179         Adjust for MOF being properly described as a register.
11180         (indir_to_reg_split): Name this split.  Conditionalize on the
11181         destination register being a general register.
11182         (movei): Conditionalize on on operands 0 and 1 having the same
11183         register class.
11185 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
11187         PR target/20277
11188         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
11189         -mcpu to override any other explicitly given flags.
11191 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
11193         * recog.c (verify_changes, confirm_change_group): New functions,
11194         broken out of apply_change_group.
11195         (apply_change_group): Use them.
11196         * recog.h (verify_change, confirm_change_group): Declare.
11197         * rtl.h (redirect_jump_2): Declare.
11198         * jump.c (redirect_exp, invert_exp): Delete.
11199         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
11200         (redirect_jump_2): New function, broken out of redirect_jump.
11201         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
11202         (invert_jump): Use invert_jump_1 and redirect_jump_2.
11203         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
11205 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
11207         * varasm.c (named_section): Use xstrdup rather than doing it by
11208         hand.
11210         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
11212 2005-03-02  Devang Patel  <dpatel@apple.com>
11214         Undo PR tree-optimization/18815 fix.
11216 2005-03-02  Devang Patel  <dpatel@apple.com>
11218         PR tree-optimization/18815
11219         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
11220         loops with zero exit edges.
11222 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
11224         * cfg.c (connect_src, connect_dest, disconnect_src,
11225         disconnct_dest): New.
11226         (unchecked_make_edge, remove_edge, redirect_edge_succ,
11227         redirect_edge_pred): Use the new functions.
11229         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
11230         free_dominance_info only when needed.
11232 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
11234         PR target/20276
11235         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
11236         (reg_or_sub_cint64_operand): Same.
11238 2005-03-02  Jeff Law  <law@redhat.com>
11240         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
11241         CFG_ALTERED in the main DOM iteration loop.
11243 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
11245         PR c++/19916
11246         * varasm.c (initializer_constant_valid_p): Allow conversions
11247         between OFFSET_TYPEs.  Tidy.
11249 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
11251         * config/cris/cris.md ("return"): Remove epilogue delay list
11252         sanity check.
11254 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
11256         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
11257         for Thumb.
11258         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
11260 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
11262         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
11263         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
11264         config/m68k/m68k.c, config/mips/mips.h,
11265         config/rs6000/rs6000-protos.h, doc/contrib.texi,
11266         doc/include/gcc-common.texi: Update copyright.
11268         PR middle-end/18029 and PR middle-end/18030
11269         * expr.c (optimize_bitfield_assignment_op): Add a special case
11270         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
11272         * fold-const.c (fold_unary): New.
11273         (fold): Call fold_unary on unary expressions.
11275 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
11277         * cgraph.h (struct cgraph_edge): Add prev_caller and
11278         prev_callee fields.
11279         (cgraph_node_remove_callees): Export.
11280         * cgraph.c (cgraph_create_edge): Initialize prev_caller
11281         and prev_callee.
11282         (cgraph_edge_remove_callee): New function.
11283         (cgraph_edge_remove_caller): Likewise.
11284         (cgraph_remove_edge): Use.
11285         (cgraph_redirect_edge_callee): Likewise.
11286         (cgraph_node_remove_callees): New function.
11287         (cgraph_node_remove_callers): Likewise.
11288         (cgraph_remove_node): Use.
11289         * tree-optimize.c (tree_rest_of_compilation): Use
11290         cgraph_node_remove_callees instead of manual loop.
11291         * cgraphunit.c (cgraph_finalize_function): Likewise.
11292         (cgraph_expand_function): Likewise.
11293         (cgraph_remove_unreachable_nodes): Likewise.
11295 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
11297         PR c/8927
11298         * c-tree.h (undeclared_variable, build_external_ref): Add extra
11299         argument.
11300         * c-decl.c (undeclared_variable): Take location as argument.
11301         * c-typeck.c (build_external_ref): Likewise.
11302         * c-parser.c (c_parser_postfix_expression): Pass location of
11303         identifier to build_external_ref.
11305 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
11307         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
11308         CCEQ mode for branch_positive_comparison_operator test.
11309         * config/rs6000/predicates (branch_comparison_operator): Revert to
11310         define_predicate.
11311         (scc_comparison_operator): Same.
11312         (branch_positive_comparison_operator): Same.
11314 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
11316         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
11317         (cris_delay_slots_for_epilogue): Remove.
11318         (save_last): Move into cris_target_asm_function_epilogue.
11319         (cris_target_asm_function_epilogue): Remove tests for file being
11320         NULL.
11321         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
11322         (cris_delay_slots_for_epilogue): Remove prototypes.
11323         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
11324         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
11326 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
11328         * config/rs6000/predicates.md (branch_comparison_operator): Change
11329         to define_special_predicate.
11330         (scc_comparison_operator): Same.
11331         (branch_positive_comparison_operator): Same.
11333 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
11335         * Makefile.in (tree-ssa-sink.o): New.
11336         (OBJS-common): Add tree-ssa-sink.o.
11337         * common.opt: Add -ftree-sink
11338         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
11339         * timevar.def (TV_TREE_SINK): new timevar.
11340         * tree-flow.h (is_hidden_global_store): Prototype.
11341         * tree-optimize.c (init_tree_optimization_passes): Add
11342         pass_sink_code.
11343         * tree-pass.h (pass_sink_code): New.
11344         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
11345         for non-obvious global store store to is_hidden_global_store, and
11346         call that new function.
11347         * tree-ssa-sink.c: New file.
11348         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
11349         * doc/passes.texi: Document forward store motion.
11350         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
11351         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
11352         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
11353         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
11355 2005-03-01  Per Bothner  <per@bothner.com>
11357         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
11358         and we have a non-zero column-number, add it to the message.
11359         Also factor out the diagnostic_kind_text.
11361 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
11363         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
11364         flow_loop_pre_header_scan, flow_loop_pre_header_find,
11365         flow_loop_scan): Removed.
11366         (flow_loop_dump): Do not dump removed fields.
11367         (flow_loop_free): Do not free removed fields.
11368         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
11369         (loop_exit_edge_p): New function.
11370         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
11371         num_pre_header_edges, entry_edges, num_entries, exit_edges,
11372         num_exits, exits_doms.
11373         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
11374         LOOP_EDGES, LOOP_ALL): Removed.
11375         (flow_loop_scan): Declaration removed.
11376         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
11377         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
11378         flow_loops_find.
11379         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
11380         (if_convert): Call flow_loops_find and flow_loops_free
11381         when calling mark_loop_exit_edges.
11382         * cfgloopanal.c (mark_loop_exit_edges): Moved from
11383         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
11384         free_dominance_info calls.
11385         * loop-init.c (flow_loops_find): Ditto.
11386         * passes.c (rest_of_handle_branch_prob): Ditto.
11387         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
11388         * loop-unroll.c (analyze_insns_in_loop): Do not use
11389         EDGE_LOOP_EXIT.
11390         * predict.c (predict_loops): Do not call flow_loop_scan.
11391         Use get_loop_exit_edges.
11392         (tree_estimate_probability): Do not pass flags to flow_loops_find.
11393         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
11394         Do not use EDGE_LOOP_EXIT.
11395         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
11396         to bb_with_exit_edge_p.
11397         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
11398         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
11399         to bb_with_exit_edge_p.
11400         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
11401         EDGE_LOOP_EXIT.
11402         * tree-loop-linear.c (linear_transform_loops): Do not call
11403         flow_loop_scan.  Use loop->single_exit.
11404         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
11405         (vect_analyze_loop_form): Do not call flow_loop_scan.
11406         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
11407         loop->single_exit.
11408         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
11409         loop->single_exit.
11410         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
11411         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
11412         slpeel_tree_duplicate_loop_to_edge_cfg,
11413         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
11414         Use loop_preheader_edge and loop->single_exit.  Do not call
11415         flow_loop_scan.
11417 2005-03-01  Nick Clifton  <nickc@redhat.com>
11419         * config/arm/arm.c (thumb_find_work_register): Check all of the
11420         argument registers to see if they are free, and a couple of
11421         special cases where the last argument register but can be proved
11422         to be available during the function's prologue.
11423         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
11424         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
11425         thumb_unexpanded_epilogue): Use unsigned long as the type for the
11426         register bit-mask.
11427         (thumb_compute_save_reg_mask): Likewise.  Also use
11428         thumb_find_work_register() to ensure that there is agreement about
11429         which work register is going to be used in the prologue.
11430         (thumb_output_function_prologue): Use unsigned long as the type
11431         for the register bit-mask.  Also delay pushing the link register if
11432         other high registers are going to be pushed.
11433         (thumb_compute_save_reg_mask, emit_multi_reg_push,
11434         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
11435         redundant prototypes.
11437 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
11439         PR target/19819
11440         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
11441         and after reload in REG+REG indexed addresses without REG_POINTER
11442         set in the base and not set in the index.
11444 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
11446         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
11447         Don't undefine here.
11448         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
11449         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
11450         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
11451         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
11452         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
11453         Delete.
11454         * config.gcc (sh*-*-linux*): Use config/linux.h.
11456 2005-02-28  Dale Johannesen  <dalej@apple.com>
11457             Stan Shebs  <shebs@apple.com>
11459         Rewrite of 64-bit Darwin structure-by-value pass/return.
11460         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
11461         intoffset, use_stack, named.
11462         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
11463         (rs6000_darwin64_record_arg_advance_flush):  New.
11464         (rs6000_darwin64_record_arg_advance_recurse): New.
11465         (rs6000_darwin64_record_arg_flush):  New.
11466         (rs6000_darwin64_record_arg_recurse):  New.
11467         (rs6000_darwin64_record_arg):  New.
11468         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
11469         (function_arg_boundary):  Handle 128-bit aligned structs.
11470         (function_arg_advance):  Rewrite darwin64 struct handling.
11471         (function_arg):  Call rs6000_darwin64_record_arg.
11472         (function_arg_partial_nregs):  Handle darwin64 structs.
11473         (rs6000_darwin64_function_value):  Remove.
11474         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
11476 2005-02-28  Roger Sayle  <roger@eyesopen.com>
11478         PR tree-optimization/20216
11479         * tree-chrec.c (tree_fold_factorial): Delete.
11480         (tree_fold_binomial): Change argument list to take a return type
11481         and change the type of K to unsigned int.  Rewrite to avoid explicit
11482         evaluation of factorials, and (recursively) calling fold to perform
11483         compile-time arithmetic.  Return NULL on (internal) overflow.
11484         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
11485         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
11486         if any intermediate calculation overflows.
11487         (chrec_apply): Update call to chrec_evaluate.
11489 2005-02-28  James E Wilson  <wilson@specifixinc.com>
11491         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
11493 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
11495         PR c/20245
11496         * c-parser.c (c_parser_compound_statement): Return error_mark_node
11497         instead of NULL_TREE on error.
11499 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
11501         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
11502         (EASY_VECTOR_15_ADD_SELF): Remove.
11503         (num_insns_constant_wide): Not static.
11504         (validate_condition_mode): Not static.
11505         (toc_relative_expr_p): Not static.
11506         (legitimate_indirect_address_p): Not static.
11507         (macho_lo_sum_memory_operand): Not static.
11508         (invalid_e500_subreg): Not static.
11509         (easy_vector_same): Not static.
11510         (easy_vector_splat_const): Not static.
11511         (RS6000_SYMBOL_REF_TLS_P): Remove.
11512         (any_operand): Delete.
11513         (any_parallel_operand): Delete.
11514         (count_register_operand): Delete.
11515         (altivec_register_operand): Delete.
11516         (xer_operand): Delete.
11517         (s8bit_cint_operand): Delete.
11518         (short_cint_operand): Delete.
11519         (u_short_cint_operand): Delete.
11520         (non_short_cint_operand): Delete.
11521         (exact_log2_cint_operand): Delete.
11522         (gpc_reg_operand): Delete.
11523         (cc_reg_operand): Delete.
11524         (cc_reg_not_cr0_operand): Delete.
11525         (reg_or_short_operand): Delete.
11526         (reg_or_neg_short_operand): Delete.
11527         (reg_or_aligned_short_operand): Delete.
11528         (reg_or_u_short_operand): Delete.
11529         (reg_or_cint_operand): Delete.
11530         (reg_or_arith_cint_operand): Delete.
11531         (reg_or_add_cint64_operand): Delete.
11532         (reg_or_sub_cint64_operand): Delete.
11533         (reg_or_logical_cint_operand): Delete.
11534         (got_operand): Delete.
11535         (got_no_const_operand): Delete.
11536         (easy_fp_constant): Delete.
11537         (easy_vector_constant): Delete.
11538         (easy_vector_constant_add_self): Delete.
11539         (zero_constant): Delete.
11540         (zero_fp_constant): Delete.
11541         (volatile_mem_operand): Delete.
11542         (offsettable_mem_operand): Delete.
11543         (mem_or_easy_const_operand): Delete.
11544         (add_operand): Delete.
11545         (non_add_cint_operand): Delete.
11546         (logical_operand): Delete.
11547         (non_logical_cint_operand): Delete.
11548         (mask_operand): Delete.
11549         (mask_operand_wrap): Delete.
11550         (mask64_operand): Delete.
11551         (mask64_2_operand): Delete.
11552         (and64_operand): Delete.
11553         (and64_2_operand): Delete.
11554         (and_operand): Delete.
11555         (reg_or_mem_operand): Delete.
11556         (lwa_operand): Delete.
11557         (symbol_ref_operand): Delete.
11558         (call_operand): Delete.
11559         (current_file_function_operand): Delete.
11560         (input_operand): Delete.
11561         (rs6000_nonimmediate_operand): Delete.
11562         (rs6000_tls_symbol_ref): Delete.
11563         (save_world_operation): Delete.
11564         (restore_world_operation): Delete.
11565         (load_multiple_operation): Delete.
11566         (store_multiple_operation): Delete.
11567         (vrsave_operation): Delete.
11568         (mfcr_operation): Delete.
11569         (mtcrf_operation): Delete.
11570         (lmw_operation): Delete.
11571         (stmw_operation): Delete.
11572         (branch_comparison_operator): Delete.
11573         (branch_positive_comparison_operator): Delete.
11574         (scc_comparison_operator): Delete.
11575         (trap_comparison_operator): Delete.
11576         (boolean_operator): Delete.
11577         (boolean_or_operator): Delete.
11578         (min_max_operator): Delete.
11579         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
11580         (EASY_VECTOR_15): Moved to here.
11581         (EASY_VECTOR_15_ADD_SELF): Move to here.
11582         (PREDICATE_CODES): Delete.
11583         * config/rs6000/rs6000-protos.h: Delete predicate functions.
11584         Declare functions no longer static.
11585         * config/rs6000/predicates.md: New.
11586         * config/rs6000/rs6000.md: Include predicates.md
11588 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
11590         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
11591         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
11592         REG_ALWAYS_RETURN.
11593         * cfgrtl.c (need_fake_edge_p): Likewise.
11594         * combine.c (distribute_notes): Likewise.
11595         * emit-rtl.c (try_split): Likewise.
11596         * recog.c (peephole2_opimize): Likewise.
11597         * reg-notes.def (ALWAYS_RETURN): Remove.
11598         * rtl.h (LCT_ALWAYS_RETURN): Remove.
11599         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
11600         * tree.h (ECF_ALWAYS_RETURN): Remove.
11602 2005-02-28  Roger Sayle  <roger@eyesopen.com>
11604         PR middle-end/19874
11605         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
11606         between different machine modes is never a "useless" conversion.
11608 2005-02-28  Geert Bosch  <bosch@gnat.com>
11610         PR ada/15977
11611         * doc/contrib.texi: List contributors for Ada front end
11613 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
11615         * simplify-rtx.c (simplify_unary_operation_1,
11616         simplify_const_unary_operation): New, extracted from...
11617         (simplify_unary_operation): ... this one.
11618         (simplify_binary_operation_1,
11619         simplify_const_binary_operation): New, extracted from...
11620         (simplify_binary_operation): ... this one.
11621         * rtl.h (simplify_const_unary_operation,
11622         simplify_const_binary_operation): Add prototypes.
11624 2005-02-28  Julian Brown  <julian@codesourcery.com>
11626         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
11627         building libjava and caused PR regression/20228.
11629 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
11631         PR bootstrap/17383
11632         * Makefile.in (host_subdir): New.
11633         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
11634         * configure: Regenerate.
11636 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
11638         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
11639         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
11640         installation directory first.
11642 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
11644         PR target/19065.
11645         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
11646         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
11647         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
11648         * config/cris/cris.md: Tweak comments referring to Q.
11649         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
11650         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
11651         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
11652         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
11653         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
11654         Insert spaces in constraints to align alternatives vertically for
11655         readability.
11656         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
11657         operand 1: "M".
11659 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11661         PR rtl-optimization/17728
11662         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
11663         operand 0 from general_operand to move_dest_operand.
11665 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11667         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
11668         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
11669         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
11670         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
11672 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
11674         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
11675         * configure: Regenerate.
11676         * libada-mk.in: Remove CC; rename
11677         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
11679 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
11681         PR tree-opt/20188
11682         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
11683         for the lhs, also walk over the tree.  Likewise for rhs.
11685 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
11687         * tree-ssa-dom.c (simple_iv_increment_p): New function.
11688         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
11689         Do not propagate value of iv before increment over the increment.
11691 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
11693         * c-parser.c: New file.
11694         * c-parse.in: Remove.
11695         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
11696         Remove.
11697         (c-parser.o): Add dependencies.
11698         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
11699         maintainer-clean, TAGS): Update.
11700         * c-config-lang.in (gtfiles): Update.
11701         * gengtype-lex.l: Don't handle "@@".
11702         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
11703         objc_build_synchronized, objc_begin_try_stmt,
11704         objc_begin_catch_clause, objc_finish_catch_clause,
11705         objc_build_finally_clause, objc_finish_try_stmt): New.
11706         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
11707         type_seen_p.
11708         (c_parse_init): Update comment.
11709         * c-decl.c (c_init_decl_processing): Update comment.
11710         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
11711         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
11712         new c_declspecs members.
11714 2005-02-25  Julian Brown  <julian@codesourcery.com>
11716         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
11717         from being used for symbols with vague linkage when
11718         HAVE_GAS_COMDAT_GROUP is true.
11720 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
11722         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
11724 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
11726         PR target/19930
11727         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
11728         (LIBGCC2_HAS_DF_MODE): New.
11729         (LIBGCC2_HAS_XF_MODE): New.
11730         (LIBGCC2_HAS_TF_MODE): New.
11731         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
11732         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
11733         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
11734         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
11735         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
11736         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
11737         and add _fixtfdi, _fixunstfdi, _floatditf
11738         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
11739         L_fixunstfdi, L_floatditf.
11740         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
11741         (LIBGCC2_HAS_TF_MODE): Define.
11743 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
11745         PR tree-optimization/20204
11746         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
11747         REWRITE_THIS_STMT markers on PHI nodes.
11748         (rewrite_initialize_block): Likewise.
11750 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
11752         * version.c (version_string): Update to 4.1.
11754 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
11756         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
11757         Clarify that the alternative way doesn't work in GNU C++.
11759 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
11761         PR tree-optimization/19937
11762         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
11763         to the type of the induction variable.
11765 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
11767         PR rtl-optimization/20117
11768         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
11769         the block including noncopyable insn.
11771 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
11773         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
11774         calls to find_reg_note.
11776 2005-02-24  Richard Henderson  <rth@redhat.com>
11778         PR tree-opt/20127
11779         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
11780         the type.
11782 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
11784         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
11785         vector types if to use base reg for misaligned non-word ld/std.
11787 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
11789         PR target/14619
11790         * config/cris/cris.c (cris_target_asm_function_prologue): Create
11791         dwarf2 label manually and put it after, not before the prologue.
11793 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
11795         PR target/19019
11796         * reload.c (operands_match_p): Only increment register number for
11797         SCALAR_INT_MODE_P modes in multiple hard registers.
11799         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
11800         Fix formatting.
11802 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11804         * ChangeLog.5: Fix log message typo(s).
11805         * ChangeLog.7: Likewise.
11806         * ChangeLog.tree-ssa: Likewise.
11807         * cfgexpand.c: Fix comment typo(s).
11808         * conflict.c: Likewise.
11809         * defaults.h: Likewise.
11810         * dwarf2out.c: Likewise.
11811         * gcse.c: Likewise.
11812         * ggc-page.c: Likewise.
11813         * tree-eh.c: Likewise.
11814         * tree-ssa-dom.c: Likewise.
11816 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
11818         PR target/19019
11819         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
11820         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
11821         if SHARED is defined.
11823         PR target/20196
11824         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
11825         allow splitting only if operands 0 and 3 don't overlap.
11827 2005-02-24  Richard Henderson  <rth@redhat.com>
11829         PR middle-end/19953
11830         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
11831         (fold_builtin_1): Call them.
11832         * fold-const.c (fold_complex_mult_parts): Split out from ...
11833         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
11834         (fold_complex_div_parts, fold_complex_div): New.
11835         (fold): Use them.
11836         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
11838 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11840         * tree-ssa-ccp.c (visit_assignment): Verify that result of
11841         VIEW_CONVERT_EXPR is_gimple_min_invariant.
11843         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
11844         (print_node): Likewise.
11845         Print TYPE_SIZES_GIMPLIFIED.
11847 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
11849         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
11850         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
11851         operands as commutative in constraints.
11853 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
11855         * tree-into-ssa.c: Re-organize internal functions.
11857 2005-02-24  Richard Henderson  <rth@redhat.com>
11859         PR middle-end/18902
11860         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
11861         for c99.
11862         * common.opt (fcx-limited-range): New.
11863         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
11864         * toplev.c (flag_complex_method): Initialize to 1.
11865         (process_options): Set flag_complex_method to 0 if
11866         flag_cx_limited_range.
11867         * doc/invoke.texi (-fcx-limited-range): New.
11869 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
11871         * cse.c (delete_trivially_dead_insns): Speed up by using
11872         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
11873         prev_real_insn.
11875 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
11877         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
11878         functions when -mid-shared-library is being used.
11880 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
11882         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
11883         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
11884         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
11885         * system.h: Poison LINK_LIBGCC_SPECIAL.
11887 2005-02-23  James E Wilson  <wilson@specifixinc.com>
11889         * gengtype.c (note_insn_name): Make 1 element larger.
11891 2005-02-23  Roger Sayle  <roger@eyesopen.com>
11893         PR target/20018
11894         PR rtl-optimization/20097
11895         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
11896         BImode SUBREGs of SImode registers which confuse the ia64 backend.
11898 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
11900         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
11901         * t-aix52 (SHLIB_INSTALL): Same.
11903 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
11905         * genpreds.c: Update copyright.
11907 2005-02-23  Michael Beach  <michaelb@ieee.org>
11909         PR target/20159
11910         * config/sparc/t-elf (startup files): Assemble with CPP.
11912 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
11914         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
11915         (write_predicate_expr): Likewise.
11917 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
11919         PR tree-optimization/20100
11920         PR tree-optimization/20115
11921         * tree-optimize.c (init_tree_optimization_passes): Remove
11922         pass_maybe_create_global_var.
11923         * tree-pass.h (pass_maybe_create_global_var): Remove.
11924         * tree-ssa-alias.c (aliases_computed_p): Declare.
11925         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
11926         (count_calls_and_maybe_create_global_var): Remove.
11927         (pass_maybe_create_global_var): Remove.
11928         (init_alias_info): Do not declare aliases_computed_p.
11929         (maybe_create_global_var): If the function contains no
11930         call-clobbered variables and a mix of pure/const and regular
11931         function calls, create .GLOBAL_VAR.
11932         Mark all call-clobbered variables for renaming.
11933         (merge_pointed_to_info): Update comment.
11934         (add_pointed_to_var): Likewise.
11935         (is_escape_site): Likewise.
11936         Accept struct alias_info * instead of size_t *.
11937         Update all users.
11938         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
11939         as necessary.
11940         * tree-ssa-operands.c (get_call_expr_operands): If
11941         ALIASES_COMPUTED_P is false, do not add call-clobbering
11942         operands.
11943         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
11944         (delete_tree_ssa): Likewise.
11946 2005-02-22  James E Wilson  <wilson@specifixinc.com>
11948         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
11949         (do_compile): Do call it here.
11951 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
11953         PR rtl-optimization/20017.
11954         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
11955         rest_of_handle_cse2, rest_of_handle_gcse): Call
11956         delete_dead_jumptables immediately before calling cleanup_cfg.
11958 2005-02-22  Devang Patel  <dpatel@apple.com>
11960         PR 19952
11961         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
11962         all labels
11964 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
11966         * config/rs6000/aix.h (WINT_TYPE): Define.
11968 2005-02-22  Stan Shebs  <shebs@apple.com>
11970         * config/rs6000/rs6000.c (rs6000_override_options): Default to
11971         natural alignment for 64-bit Darwin.
11972         (rs6000_parse_alignment_option): Warn about uses of -malign-power
11973         on 64-bit Darwin.
11974         * doc/invoke.texi: Document this.
11976 2005-02-22  DJ Delorie  <dj@redhat.com>
11978         * c-common.c (c_common_type_for_mode): Pass the mode's precision
11979         to make_[un]signed_type, not the mode itself.
11981 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
11983         * cfg.c (cached_make_edge): Call make_edge if edge cache is
11984         not available.  Use tail calls wherever possible.
11985         (make_edge): Call unchecked_make_edge to create an edge.
11987         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
11988         (coalesce_ssa_name): Don't check for
11989         SSANORM_USE_COALESCE_LIST.
11990         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
11992 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
11994         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
11995         (rewrite_into_ssa): ... here.
11997 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
11999         PR tree-optimization/19786
12000         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
12001         tag to another's may-alias bitmap when adding to the other's list.
12003 2005-02-21  DJ Delorie  <dj@redhat.com>
12005         * tree-ssa-loop-ivopts.c (computation_cost): Start register
12006         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
12007         registers in unsupported ways.
12008         * expmed.c (init_expmed): Likewise.
12010 2005-02-21  Stan Cox  <scox@redhat.com>
12012         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
12014 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
12016         * tree-cfg.c (fold_cond_expr_cond): New.
12017         (make_edges): Call fold_cond_expr_cond.
12018         (find_taken_edge): Accept nothing but INTEGER_CST.
12019         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
12020         and 1.
12021         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
12023         * flow.c (delete_dead_jumptables): Speed up by scanning insns
12024         that do not belong to any basic block.
12026 2005-02-21  Jeff Law  <law@redhat.com>
12028         * cfganal.c (find_unreachable_blocks): Manually CSE load of
12029         e->dest.
12031 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
12033         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
12034         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
12035         Adjust their definitions.
12036         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
12037         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
12039         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
12040         genautomata.c, langhooks.c, langhooks.h, system.h,
12041         config/arm/lib1funcs.asm: Update copyright.
12043 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
12045         * dbxout.c (dbxout_function_end): Emit Lscope label always.
12047 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
12049         PR bootstrap/13770
12050         * doc/install.texi: Document --with-gc.
12052 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
12054         * simplify-rtx.c (simplify_unary_operation): Add a missing
12055         "break" statement.
12057 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
12059         PR tree-optimization/18663
12060         * tree-ssa-dom.c (extract_range_from_cond): Return 0
12061         if the type has variable bounds.
12063 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
12065         * gcse.c: Remove an obsolete comment.
12067         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
12069 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
12071         * doc/extend.texi (Function Attributes) <Attribute const>: The
12072         attribute "pure" is below this text, not above.
12074 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12076         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
12077         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
12078         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
12080 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
12082         PR 18785
12083         * langhooks.h (struct lang_hooks): Add to_target_charset.
12084         * langhooks.c (lhd_to_target_charset): New function.
12085         * langhooks-def.h: Declare lhd_to_target_charset.
12086         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
12087         (LANG_HOOKS_INITIALIZER): Update.
12088         * c-common.c (c_common_to_target_charset): New function.
12089         * c-common.h: Declare it.
12090         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
12091         c_common_to_target_charset.
12093         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
12094         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
12095         Delete definitions.
12096         * system.h: Poison them.
12097         * doc/tm.texi: Don't discuss them.
12098         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
12099         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
12100         (pp_c_char): Do not attempt to generate letter escapes for
12101         newline, tab, etc.
12102         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
12103         * config/mips/mips.c (mips_output_ascii): Likewise.
12105 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
12107         PR tree-optimization/19951
12108         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
12109         is abnormal.
12111 2005-02-19  Steven Bosscher  <stevenb@suse.de>
12113         PR middle-end/19698
12114         * function.h (struct function): New field `max_loop_depth'.
12115         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
12116         (flow_loops_find): Reset the max loop depth count before finding loops.
12117         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
12118         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
12119         (calculate_global_regs_live): Make sure the loop will terminate
12120         when the initial sets are not empty.
12122 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
12124         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
12125         object inside.
12126         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
12128 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
12130         PR other/19525
12131         * doc/invoke.texi: Remove documentation of %M spec.
12132         * gcc.c: Likewise.
12133         (init_spec): Remove %M suffix from -lgcc_s.
12134         (do_spec_1): Remove 'M' case.
12135         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
12136         to put shared libraries in the multilib directory.  Remove the
12137         shlib_so_soname substitution variable.  Don't add a multilib encoding
12138         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
12139         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
12140         SHLIB_INSTALL as well as SHLIB_LINK.
12141         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
12142         (SHLIB_NAME): Delete.
12143         (SHLIB_DIR): New macro.
12144         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
12145         (SHLIB_INSTALL): Adjust accordingly.
12146         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
12147         * config/t-slibgcc-sld: Likewise.
12148         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
12149         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
12150         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
12151         in $(SHLIB_DIR).
12152         (SHLIBUNWIND_INSTALL): Adjust accordingly.
12153         * config/i386/t-nwld (SHLIB_SONAME): Delete.
12154         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
12155         Use @shlib_base_name@ instead of @shlib_so_name@.
12156         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
12157         and @shlib_base_name@.so in @multilib_dir@.
12158         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
12159         to the install path.
12160         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
12161         (SHLIB_LINK): Remove previous workaround.
12162         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
12163         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
12164         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
12165         the install path.
12166         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
12167         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
12168         (SHLIB_INSTALL): Adjust accordingly.
12169         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
12170         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
12171         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
12172         config/t-slibgcc-elf-ver.
12174 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
12175             Jakub Jelinek  <jakub@redhat.com>
12177         PR tree-optimization/19828
12178         * tree-ssa-loop-im.c: Add a TODO comment.
12179         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
12180         without side-effects.
12182 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
12184         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
12185         call fold_convert.
12187 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
12189         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
12190         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
12191         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
12192         functions.
12193         (ia64_reorg): Delete fixup_errata call.
12194         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
12195         (TARGET_SWITCHES): Delete -mb-step entry.
12197 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
12199         PR c/20043
12200         * c-typeck.c (composite_type): Handle quals in transparent unions.
12201         (type_lists_compatible_p): Likewise.
12203 2005-02-18  Stan Shebs  <shebs@apple.com>
12205         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
12206         expressions in the .literal8 section.
12208 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
12210         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
12212 2005-02-18  Roger Sayle  <roger@eyesopen.com>
12214         * fold-const.c (constant_boolean_node): Always create values of the
12215         specified type, don't bother calling truthvalue_conversion.
12217 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
12219         * except.c (output_function_exception_table): Call
12220         assemble_external_libcall (eh_personality_libfunc).
12222 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
12224         PR target/19886
12225         * config/ia64/ia64.h (struct machine_function): Add state_num.
12226         * config/ia64/ia64.c (process_epilogue,
12227         process_for_unwind_directive): Use new unwind state numbers each
12228         time rather than state 1.
12230 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
12232         PR target/20054
12233         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
12234         before the "*llgt_didi" pattern.
12236 2005-02-18  Jason Merrill  <jason@redhat.com>
12238         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
12240 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
12242         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
12243         (div0): Use it in place of ARM_FUNC_ALIAS.
12244         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
12246 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
12248         PR middle-end/20030
12249         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
12250         access, the lower bound of the array type if it exists.
12252 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
12254         PR c++/20008
12255         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
12256         cases that are out-of-range for the index type.
12258 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
12260         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
12261         (estimate_case_costs): Don't call convert.
12262         * expmed.c (expand_shift): Likewise.
12263         (make_tree): Call fold_convert instead of convert.
12265 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
12267         PR c++/19813
12268         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
12269         that ref to be marked MEM_READONLY_P doesn't have base that needs
12270         constructing.
12272 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
12274         * genautomata.c (output_get_cpu_unit_code_func,
12275         output_cpu_unit_reservation_p): Don't generate old-style function
12276         definitions.
12278 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
12280         PR c++/20023
12281         PR tree-optimization/20009
12282         * convert.c (convert_to_integer): Revert 2005-02-16 change.
12284         PR tree-optimization/18947
12285         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
12286         inline, remove all nodes that are inlined into the extern inline
12287         being redefined.
12289 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
12291         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
12292         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
12293         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
12294         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
12295         Update copyright.
12297 2005-02-17  Roger Sayle  <roger@eyesopen.com>
12299         PR tree-optimization/19917
12300         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
12301         to be potentially trapping.
12303 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
12305         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
12307 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
12309         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
12310         tem becomes a local variable which is set to the value of the
12311         back end defined INITIAL_FRAME_ADDRESS macro.
12312         (expand_builtin_frame_address): Omit the base parameter to
12313         expand_builtin_return_addr.
12314         (expand_builtin_profile_func): Likewise.
12315         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
12316         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
12317         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
12319 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
12321         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
12322         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
12323         * config/frv/frv.c (frv_function_epilogue): Likewise.
12325 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
12327         * lambda-code (perfect_nestify): Remove mark/unmark
12328         for rewriting hack.
12329         * tree-loop-linear.c (linear_transform_loops): Add
12330         rewrite_into_ssa call so that ssa is correct for
12331         rewriting into loop closed.
12333 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
12335         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
12336         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
12337         BITMAP_FREE.
12338         * bt-load.c (btr_def_live_range, combine_btr_defs,
12339         migrate_btr_def, migrate_btr_defs): Likewise.
12340         * cfgcleanup.c (thread_jump): Likewise.
12341         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
12342         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
12343         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
12344         df_rd_local_compute, df_reg_info_compute): Likewise.
12345         * dominance.c (init_dom_info, free_dom_info): Likewise.
12346         * flow.c (init_propagate_block_info,
12347         free_propagate_block_info): Likewise.
12348         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
12349         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
12350         modify_reg_pav): Likewise.
12351         * loop-invariant.c (find_defs, find_invariant_insn,
12352         find_invariants, free_inv_motion_data): Likewise.
12353         * predict.c (tree_predict_by_opcode,
12354         estimate_bb_frequencies): Likewise.
12355         * stmt.c (expand_case): Likewise.
12356         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
12357         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
12358         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
12359         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
12360         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
12361         rewrite_ssa_into_ssa): Likewise.
12362         * tree-optimize.c (tree_rest_of_compilation): Likewise.
12363         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
12364         analyze_edges_for_bb, perform_edge_inserts): Likewise.
12365         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
12366         * tree-sra.c (tree_sra): Likewise.
12367         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
12368         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
12369         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
12370         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
12371         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
12372         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
12373         Likewise.
12374         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
12375         calculate_live_on_entry, calculate_live_on_exit,
12376         build_tree_conflict_graph): Likewise.
12377         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
12378         record_important_candidates, set_use_iv_cost, find_depends,
12379         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
12380         tree_ssa_iv_optimize_finalize): Likewise.
12381         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
12382         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
12383         tree_duplicate_loop_to_header_edge): Likewise.
12384         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
12385         * tree-ssa.c (verify_flow_insensitive_alias_info,
12386         verify_name_tags, verify_ssa, init_tree_ssa,
12387         delete_tree_ssa): Likewise.
12388         * tree-ssanames.c (marked_ssa_names, init_ssanames,
12389         fini_ssanames): Likewise.
12390         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
12392 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
12394         * config/rs6000/t-rtems: Completely reworked.
12396 2005-02-17  Ira Rosen  <irar@il.ibm.com>
12398         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
12400 2005-02-17  Ira Rosen  <irar@il.ibm.com>
12402         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
12403         POINTER_TYPE_P when checking that type is a pointer.
12404         (vect_get_memtag): Remove.
12405         (vect_address_analysis): Use POINTER_TYPE_P. Call
12406         vect_object_analysis with dummy parameter for memtag.
12407         (vect_object_analysis): Extract memtag (functionality that
12408         used to be in vect_get_memtag and moved here). Fix printings.
12409         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
12410         with correct parameters. Remove call to vect_get_memtag.
12412 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
12414         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
12415         (tree-vectorizer.o): Added missing dependencies.
12417         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
12418         decleration.
12419         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
12420         declaration in tree-vectorizer.c, now has an extern declaration in
12421         tree-vectorizer.h).
12422         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
12423         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
12424         get_vectype_for_scalar_type, vect_is_simple_use,
12425         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
12426         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
12427         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
12428         vectorizable_store, vectorizable_operation, vectorizable_assignment,
12429         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
12430         find_loop_location): Likewise.
12432         * tree-vectorizer.c (langhooks.h): #include removed.
12433         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
12434         moved to tree-vectorized.h.
12435         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
12436         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
12437         get_vectype_for_scalar_type, vect_is_simple_use,
12438         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
12439         vect_supportable_dr_alignment, new_loop_vec_info,
12440         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
12441         vect_set_verbosity_level, find_loop_location): Likewise.
12443         (vect_analyze_loop): Function externalized. Declaration moved to
12444         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
12445         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
12446         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
12447         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
12448         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
12449         vect_enhance_data_refs_alignment, vect_analyze_operations,
12450         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
12451         vect_stmt_relevant_p, vect_get_loop_niters,
12452         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
12453         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
12454         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
12455         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
12456         vect_get_memtag): Likewise.
12458         (vectorizable_load): Function externalized. Declaration moved to
12459         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
12460         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
12461         vect_transform_loop): Likewise.
12462         (vect_transform_stmt): Moved to tree-vect-transform.c.
12463         (vect_align_data_ref, vect_create_destination_var,
12464         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
12465         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
12466         vect_get_vec_def_for_operand, vect_init_vector,
12467         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
12468         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
12469         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
12470         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
12471         vect_do_peeling_for_loop_bound): Likewise.
12473         * tree-vect-analyze.c: New file.
12474         * tree-vect-transform.c: New file.
12476 2005-02-17  Jason Merrill  <jason@redhat.com>
12478         PR mudflap/19319, c++/19317
12479         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
12480         slot explicit.
12482 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
12484         * doc/install.texi (Specific): Update link for Darwin-specific
12485         tool binary site.
12487 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
12489         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
12490         constant_boolean_node.
12492 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
12494         PR target/19019
12495         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
12496         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
12498 2005-02-16  Richard Henderson  <rth@redhat.com>
12500         PR 19920
12501         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
12502         with W_TYPE_SIZE.
12503         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
12504         replace uses with Wtype_MAXp1_F.
12505         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
12506         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
12507         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
12508         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
12509         and HAVE_TFMODE as appropriate.
12510         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
12511         (__floatdisf): Likewise.
12512         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
12513         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
12514         (Wtype_MAXp1_F): New.
12515         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
12516         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
12518 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
12520         * PR target/19162
12521         * arm.c (arm_apply_result_size): New function.
12522         * arm.h (APPLY_RESULT_SIZE): Define.
12523         * arm-protos.h (arm_apply_result_size): Add prototype.
12524         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
12525         (movxf): New expand.
12526         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
12527         (call_value_symbol): Remove predicate for operand 0.
12528         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
12529         (untyped_call): Rework to correclty return values for any type.
12530         (untyped_return): New expand.
12531         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
12533 2005-02-16  Stan Shebs  <shebs@apple.com>
12535         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
12536         * config/rs6000/t-darwin8: New, for 64-bit multilib.
12538 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
12540         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
12541         configure settings on Solaris 7 and later.
12543 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
12545         PR tree-optimization/19865
12546         * tree-optimize.c (init_tree_optimization_passes): Run
12547         pass_may_alias after pass_sra.
12549 2005-02-16  Richard Henderson  <rth@redhat.com>
12550             Stuart Hastings  <stuart@apple.com>
12552         PR debug/19521
12553         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
12554         Do nothing if debug info suppressed for this function.
12555         (dbxout_begin_function): Early exit if debug info suppressed for
12556         this function.
12558 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
12560         PR target/20007
12561         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
12562         find_basic_blocks.
12563         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
12565         PR tree-optimization/19967
12566         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
12567         expand_builtin_strchr, expand_builtin_strrchr): Take a new
12568         argument TYPE.  Adjust calls to fold_builtin_XXX.
12569         (expand_builtin, fold_builtin_1): Adjust calls to
12570         expand_builtin_XXX.
12571         (fold_builtin_strchr, fold_builtin_strpbrk,
12572         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
12573         result to a requested type TYPE.
12575 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
12577         PR middle-end/19857
12578         * fold-const.c (fold): Don't optimize (T)(x & cst) to
12579         (T)x & (T)cst if (T)cst overflows.
12580         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
12581         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
12583 2005-02-15  Jeff Law  <law@redhat.com>
12585         * gcse.c (blocks_with_calls): New bitmap.
12586         (alloc_gcse_mem): Allocate it.
12587         (free_gcse_mem): Free it.
12588         (clear_modifY_mem_tables): Clear it.
12589         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
12590         when we encounter CALL_INSNs.
12591         (compute_transp, case MEM): Handle blocks with calls separate
12592         from blocks without calls.  Use bitmap iterators rather than
12593         FOR_EACH_BB.
12595 2005-02-15  Peter O'Gorman  <peter@pogma.com>
12597         PR bootstrap/18810
12598         * mklibgcc.in (vis_hide): Use a temporary object file, not
12599         -o /dev/null.
12601 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
12603         PR target/19924
12604         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
12605         access optimization.
12607 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
12608             Alan Modra  <amodra@bigpond.net.au>
12610         PR target/19019
12611         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
12612         (_xlqsub): Rename to __gcc_qsub.
12613         (_xlqmul): Rename to __gcc_qmul.
12614         (_xlqdiv): Rename to __gcc_qdiv.
12615         Provide versioned symbol aliases with old names.
12616         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
12617         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
12618         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
12619         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
12620         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
12622 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
12624         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
12625         Fold ~(A - 1) and ~(A + -1) to -A.
12627 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
12629         PR pch/14940
12630         PR target/19300
12631         * config/host-linux.c (linux_gt_pch_use_address): Copy from
12632         config/pa/pa-host.c:pa_gt_pch_use_address.
12634 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
12636         * tree-vn.c (get_value_handle): Make sure that given an
12637         is_gimple_min_invariant expression, we always return it.
12639 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
12641         * passes.c (rest_of_handle_gcse): Fix a comment.
12643 2005-02-15  Jeff Law  <law@redhat.com>
12645         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
12646         bitmap.
12647         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
12648         (canon_list_insert, record_last_mem_set_info): Similarly.
12649         (clear_modify_mem_tables): Similarly.
12651 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
12653         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
12654         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
12655         config/mips/mips.md, config/rs6000/aix.h,
12656         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
12658 2005-02-15  Richard Henderson  <rth@redhat.com>
12660         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
12661         call to be best_edge.
12663 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
12665         * basic-block.h: Adjust the prototype for find_basic_blocks.
12666         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
12667         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
12668         find_basic_blocks.
12670         * flow.c (recompute_reg_usage): Remove all arguments.
12671         * passes.c (rest_of_compilation): Adjust the call to
12672         recompute_reg_usage.
12673         * rtl.h: Adjust the prototype for recompute_reg_usage.
12675 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
12677         * tree-dump.c (dump_files): Update to reflect new member
12678         of dump_file_info.
12679         (dump_register): Add new argument.
12680         Set glob name.
12681         (dump_switch_p_1): Check against glob name if doglob was passed.
12682         (dump_switch_p): Check against regular first, then glob if
12683         we didn't have any hits on the dump name.
12684         * tree-optimize.c (register_one_dump_file):
12685         Pass in glob name as well.
12686         * tree-pass.h (struct dump_file_info): Add glob
12687         member.
12689 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
12691         PR preprocessor/16323
12692         * doc/invoke.texi: Document that -Wendif-labels is on by default.
12694 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
12696         PR target/19019
12697         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
12698         (trunctfdf2_internal1): New.
12699         (trunctfdf2_internal2): Renamed from trunctfdf2.
12701 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
12703         PR tree-optimization/19853
12704         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
12706 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
12708         * passes.c (rest_of_handle_loop_optimize): Remove calls to
12709         delete_dead_jumptables and cleanup_cfg.
12711 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
12713         * reload.c (find_reloads): Swap address_reloaded flags when
12714         swapping commutative operands.
12716 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
12718         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
12719         Use standard_iv_increment_position for computing the bsi position
12720         for create_iv.
12721         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
12722         the bsi position.
12724 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
12726         PR target/17428
12727         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
12728         life range of hard registers.
12729         * value-prof.c (insn_prefetch_values_to_profile): Only
12730         scan normal insns.
12732         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
12733         profile in libcalls.
12735 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
12737         * bitmap.h (bitmap_and_compl_into): Return bool.
12738         * bitmap.c (bitmap_and_compl_into): Return changed flag.
12740 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
12742         PR tree-optimization/19944
12743         * fold-const.c (fold): Re-add ABS_EXPR folding.
12745 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
12747         PR target/19019
12748         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
12749         {TARGET,MASK}_XL_COMPAT.
12750         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
12751         MASK_XL_COMPAT.
12752         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
12753         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
12754         TARGET_XL_COMPAT.
12755         (rs6000_arg_partial_bytes): Same.
12756         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
12757         and XL compatibility enabled.
12758         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
12759         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
12760         test to final condition.
12761         (cmptf_internal2): New.
12762         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
12763         xl-compat.  Add TFmode information to description.
12765 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
12767         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
12769 2005-02-13  Jason Merrill  <jason@redhat.com>
12771         PR c++/16405
12772         * fold-const.c (fold_indirect_ref_1): Split out from...
12773         (build_fold_indirect_ref): Here.
12774         (fold_indirect_ref): New fn.
12775         * tree.h: Declare it.
12776         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
12777         (gimplify_modify_expr_rhs): Likewise.
12778         (gimplify_expr): Likewise.
12780 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
12782         PR tree-optimization/14303
12783         PR tree-optimization/15784
12784         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
12785         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
12786         ABS_EXPR<x> != 0 to x != 0.
12788 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
12790         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
12791         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
12792         spelling conventions.
12794         * passes.c (rest_of_handle_gcse): Don't run cse_main and
12795         delete_trivially_dead_insns too many times.
12797         * passes.c (rest_of_handle_gcse): Remove dead assignments to
12798         tem and tem2.
12800 2005-02-12  Ira Rosen  <irar@il.ibm.com>
12802         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
12803         (vect_is_simple_iv_evolution): Remove redundant parameter
12804         and step check.
12805         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
12806         without last parameter.
12807         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
12808         Return pointer step. Call vect_is_simple_iv_evolution without
12809         last parameter. Check only that the step is multiple of size
12810         type. Remove stmt_vinfo updates.
12811         (vect_get_memtag_and_dr): Remove.
12812         (vect_get_memtag): New function.
12813         (vect_address_analysis): New function.
12814         (vect_object_analysis): New function.
12815         (vect_analyze_data_refs): Call vect_object_analysis and
12816         vect_get_memtag. Update stmt_vinfo fields.
12818 2005-02-12  Ira Rosen  <irar@il.ibm.com>
12820         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
12821         exist and are objects. Remove checks for pointer.
12822         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
12823         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
12824         (vect_create_data_ref_ptr): Likewise.
12825         (vect_base_addr_differ_p): New function.
12826         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
12827         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
12828         Don't set the DR_BASE_NAME field of data-ref.
12829         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
12831 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
12833         * optabs.h (enum optab_index): Add new OTI_ldexp.
12834         (ldexp_optab): Define corresponding macro.
12835         * optabs.c (init_optabs): Initialize ldexp_optab.
12836         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
12837         patterns.
12838         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
12839         using ldexp_optab.
12840         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
12841         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
12843         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
12844         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
12845         intrinsics.
12847 2005-02-12  Ira Rosen  <irar@il.ibm.com>
12849         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
12850         to base_address.
12851         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
12852         stmt_vec_info.
12853         (vect_get_base_and_offset): Always return an address.
12854         (vect_create_addr_base_for_vector_ref): Remove treatment for
12855         different data reference types.
12856         (vect_compute_data_ref_alignment): Rename base to base_address in
12857         stmt_vec_info. Get the object in order to force its alignment.
12858         (vect_get_memtag_and_dr): Rename base to base_address in
12859         stmt_vec_info. Extract the object for memtag analysis.
12861 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
12863         PR regression/19898.
12864         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
12865         changes cc_status, use apply modified_in_p to part of cc_status
12866         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
12867         body.
12869 2005-02-11  Richard Henderson  <rth@redhat.com>
12871         * tree-complex.c (expand_complex_libcall): New.
12872         (expand_complex_multiplication): Use it for c99 compliance.
12873         (expand_complex_division): Likewise.
12874         * fold-const.c (fold_complex_add, fold_complex_mult): New.
12875         (fold): Call them.
12876         * builtins.c (built_in_names): Remove const.
12877         * tree.c (build_common_builtin_nodes): Build complex arithmetic
12878         builtins.
12879         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
12880         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
12881         (built_in_names): Remove const.
12882         * c-common.c (c_common_type_for_mode): Handle complex modes.
12883         * flags.h, toplev.c (flag_complex_method): Rename from
12884         flag_complex_divide_method.
12885         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
12886         __mulsc3, __muldc3, __mulxc3, __multc3): New.
12887         * libgcc2.h: Declare them.
12888         * libgcc-std.ver: Export them.
12889         * mklibgcc.in (lib2funcs): Build them.
12891 2005-02-11  Steven Bosscher  <stevenb@suse.de>
12893         PR tree-optimization/19876
12894         Partially revert my change from 2005-01-14
12895         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
12896         (compute_antic): ...and remove the loop here.
12898 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
12900         PR middle-end/19858
12901         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
12902         is number of inner's bits, avoid creating a BIT_FIELD_REF.
12904         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
12905         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
12907 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
12909         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
12910         offsets for the big-endian 32-bit case.
12912 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
12914         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
12916 2005-02-11  Dale Johannesen  <dalej@apple.com>
12918         * cselib.c (cselib_process_insn):  Clear out regs where
12919         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
12920         * reload.c (find_equiv_reg): Ditto.
12922 2005-02-11  Ian Lance Taylor  <ian@airs.com>
12924         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
12925         with no elements.
12927         * tree.c (build_function_type_list): Work correctly if there are
12928         no arguments.
12930 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
12932         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
12933         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
12934         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
12935         TARGET_ZARCH instead of TARGET_64BIT.
12937 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
12939         * config/rs6000/t-rtems:
12940         (MULTILIB_OPTIONS): Remove mcpu=602.
12941         (MUTLILIB_DIRNAMES): Remove m602.
12942         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
12943         Let mcpu=602 match mcpu=603.
12944         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
12946 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12948         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
12949         signal trampolines.
12951 2005-02-10  David Daney  <ddaney@avtrex.com>
12953         * config/alpha/linux-unwind.h: Add exception clause to copyright.
12954         * config/i386/linux-unwind.h: Likewise.
12955         * config/ia64/linux-unwind.h: Likewise.
12956         * config/mips/linux-unwind.h: Likewise.
12957         * config/pa/linux-unwind.h: Likewise.
12958         * config/rs6000/linux-unwind.h: Likewise.
12959         * config/s390/linux-unwind.h: Likewise.
12960         * config/sh/linux-unwind.h: Likewise.
12961         * config/sparc/linux-unwind.h: Likewise.
12963 2005-02-10  Steven Bosscher  <stevenb@suse.de>
12965         PR tree-optimization/17549
12966         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
12967         TER to replace a DEF with its expression if the DEF and the
12968         rhs of the expression we replace into have the same root
12969         variable.
12971 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
12973         * config/mips/mips.md: Fix the placement of the match_scratch in the
12974         lea64 peephole2.
12976 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
12978         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
12979         Fix comment typos.
12981 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
12983         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
12984         (strip_offset): Handle addresses.
12985         (add_address_candidates): Use strip_offset.
12986         (difference_cost): Reflect strip_offset change.
12987         (force_var_cost, difference_cost): Strip nops.
12989 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
12991         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
12993         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
12994         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
12995         config/cris/cris-protos.h, config/cris/cris.c: Update
12996         copyright.
12998 2005-02-10  Jeff Law  <law@redhat.com>
13000         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
13001         (lookup_avail_expr): Similarly.
13003 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
13005         * builtins.c (fold_builtin_powi): New function.
13006         (fold_builtin_1): Call it.
13008 2005-02-10  Steven Bosscher  <stevenb@suse.de>
13010         PR documentation/19309
13011         * doc/cpp.texi: The __GNUC__ and related predefined macros
13012         are also defined for the "standalone" cpp.
13013         Some non-GCC compilers may also define __GNUC__.
13015 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
13017         PR c/19342
13018         * c-typeck.c (common_type): New routine.  Old common_type renamed
13019         to...
13020         (c_common_type): ...this.
13021         (build_conditional_expr, build_binary_op): Use c_common_type instead
13022         of common_type.
13024 2005-02-10  Steven Bosscher  <stevenb@suse.de>
13026         * doc/md.texi: Replace @samp{length} with @code{length}.
13028 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
13030         PR tree-optimization/18687
13031         * tree-flow.h (find_loop_niter): Declare.
13032         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
13033         Try using scev even for loops with more than one exit.
13034         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
13035         (struct ivopts_data): Added niters field.
13036         (struct nfe_cache_elt): New.
13037         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
13038         functions.
13039         (tree_ssa_iv_optimize_init): Initialize niters cache.
13040         (determine_number_of_iterations): Removed.
13041         (find_induction_variables): Do not call determine_number_of_iterations.
13042         Access niters for single exit through niter_for_single_dom_exit.
13043         (add_iv_outer_candidates): Access niters for single exit through
13044         niter_for_single_dom_exit.
13045         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
13046         number_of_iterations_cond.
13047         (iv_period): New function.
13048         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
13049         (may_replace_final_value): Take data argument.  Use
13050         niter_for_single_dom_exit.
13051         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
13052         (rewrite_use_compare): Pass data to may_eliminate_iv.
13053         (rewrite_use_outer): Pass data to may_replace_final_value.
13054         (free_loop_data): Clean up the niters cache.
13055         (tree_ssa_iv_optimize_finalize): Free the niters cache.
13056         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
13057         * tree-ssa-loop-niter.c (find_loop_niter): New function.
13058         (find_loop_niter_by_eval): Use tree_int_cst_lt.
13059         (num_ending_zeros): Moved to tree.c.
13060         * tree.h (num_ending_zeros): Declare.
13061         * tree.c (num_ending_zeros): Moved from tree.c.
13063 2005-02-09  Richard Henderson  <rth@redhat.com>
13065         * builtins.c (DEF_BUILTIN): Add COND argument.
13066         * tree.h (DEF_BUILTIN): Likewise.
13067         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
13068         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
13069         match.
13070         (DEF_BUILTIN_STUB): New.
13071         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
13072         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
13073         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
13074         * c-common.c (DEF_BUILTIN): Add COND argument.
13075         * tree.c (local_define_builtin): New.
13076         (build_common_builtin_nodes): New.
13078 2005-02-09  Roger Sayle  <roger@eyesopen.com>
13080         * fold-const.c (fold_strip_sign_ops): New function to simplify a
13081         floating point expression ignoring the sign of the result.
13082         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
13083         (fold) <MULT_EXPR>: Use it to simplify x*x.
13084         * tree.h (fold_strip_sign_ops): Prototype here.
13085         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
13086         argument.  Use fold_strip_sign_ops to simplify the first argument.
13087         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
13088         first argument when the second argument is an even integer
13089         constant, but only with -funsafe_math_optimizations.
13090         (fold_builtin_1): Update call to fold_builtin_copysign.
13092 2005-02-09  Ian Lance Taylor  <ian@airs.com>
13094         PR middle-end/19583
13095         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
13096         just check whether EH_FILTER_FAILURE falls through.
13098 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
13100         * gcc/haifa-sched.c (schedule_block): Make queued sched group
13101         insns return to ready list in the next turn.
13103 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
13105         PR middle-end/19402
13106         * builtins.def: New __builtin_powi[lf].
13107         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
13108         (expand_builtin_powi): New function.
13109         (expand_builtin): Dispatch to expand_builtin_powi.
13110         * libgcc2.h: Add prototypes for __builtin_powi[lf].
13111         * libgcc2.c: Add __builtin_powi[lf] implementation.
13112         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
13113         * optabs.h: Add powi_optab.
13114         * optabs.c (init_optabs): Initialize powi_optab.
13115         * doc/extend.texi: Document __builtin_powi[lf].
13117 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
13119         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
13120         exists.
13122 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
13124         PR middle-end/19854
13125         * fold-const.c (try_move_mult_to_index): Remove redundant
13126         type argument.  Create ADDR_EXPR with correct type.
13127         (fold): Update callers of try_move_mult_to_index.  Convert
13128         result to the appropriate type.
13130 2005-02-09  Roger Sayle  <roger@eyesopen.com>
13132         PR target/19597
13133         * config/avr/avr.c (default_rtx_costs): Delete.
13134         (avr_operand_rtx_cost): New function.
13135         (avr_rtx_costs): Completely rewrite.
13137 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
13139         PR target/19806
13140         * config/cris/cris.c (in_code): New variable.
13141         (cris_output_addr_const): Now a static function, a wrapper for
13142         output_addr_const.
13143         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
13144         case from old cris_output_addr_const.
13145         (cris_asm_output_label_ref): Similar for LABEL_REF.
13146         (cris_output_addr_const_extra): Similar for UNSPEC.
13147         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
13148         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
13149         * config/cris/cris-protos.h (cris_output_addr_const): Remove
13150         declaration.
13151         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
13152         (cris_asm_output_label_ref): Declare.
13154 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
13156         PR preprocessor/19801
13157         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
13158         filenames that changed when libcpp was moved to the toplevel.
13160 2005-02-07  Roger Sayle  <roger@eyesopen.com>
13162         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
13163         zero extensions of BImode operands.  Call lowpart_subreg instead
13164         of gen_lowpart_common and gen_lowpart_SUBREG.
13166 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
13168         PR ada/19489
13169         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
13170         * configure.ac: Set cc_for_cross_gnattools.
13171         * configure: Regenerate.
13173 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
13175         PR target/19803
13176         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
13178 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13180         PR debug/19327
13181         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
13182         of nested functions.
13184 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
13186         * doc/extend.texi: Document deprecated extensions allowing
13187         static floating-point members to have initializers and allowing
13188         floating-point literals in integral constant expressions.
13190 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
13192         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
13193         config/darwin7.h, config/mips/mips.c,
13194         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
13195         Update copyright.
13197         * cse.c: Update comments.
13199 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
13201         PR middle-end/19775
13202         * builtins.c (fold_builtin_sqrt): Transform
13203         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
13204         pow(x,y*0.5).
13206 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
13207             Dorit Naishlos  <dorit@il.ibm.com>
13209         * doc/invoke.texi (ftree-vectorizer-verbose): New.
13210         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
13211         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
13212         was added.
13213         * tree.h (vect_set_verbosity_level): New extern function declaration
13214         added.
13215         * tree-vectorizer.h (verbosity_levels): New enum type.
13216         * tree-vectorizer.c (vect_debug_stats): Function removed.
13217         (vect_debug_details): Likewise.
13218         (vect_verbosity_level): Global variable was defined and initialized.
13219         (vect_dump): Global variable definition.
13220         (vect_print_dump_info): New function.
13221         (vect_set_dump_settings): New function.
13222         (vect_set_verbosity_level): New function.
13223         (vectorize_loops): Add call to vect_set_dump_settings.
13225         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
13226         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
13227         (slpeel_tree_peel_loop_to_edge): Likewise.
13229         (vect_analyze_offset_expr): Call to vect_print_dump_info with
13230         appropriate verbosity level instead of call to vect_debug_details
13231         or vect_debug_stats.
13232         (vect_get_base_and_offset):
13233         (vect_create_addr_base_for_vector_ref):
13234         (get_vectype_for_scalar_type):
13235         (vect_create_data_ref_ptr):
13236         (vect_init_vector):
13237         (vect_get_vec_def_for_operand):
13238         (vect_finish_stmt_generation):
13239         (vectorizable_assignment):
13240         (vectorizable_operation):
13241         (vectorizable_store):
13242         (vectorizable_load):
13243         (vect_transform_stmt):
13244         (vect_update_ivs_after_vectorizer):
13245         (vect_do_peeling_for_loop_bound):
13246         (vect_update_inits_of_drs):
13247         (vect_do_peeling_for_alignment):
13248         (vect_transform_loop):
13249         (vect_is_simple_use):
13250         (vect_analyze_operations):
13251         (vect_is_simple_iv_evolution):
13252         (vect_analyze_scalar_cycles):
13253         (vect_analyze_data_ref_dependence):
13254         (vect_analyze_data_ref_dependences):
13255         (vect_compute_data_ref_alignment):
13256         (vect_enhance_data_refs_alignment):
13257         (vect_analyze_data_refs_alignment):
13258         (vect_analyze_data_ref_access):
13259         (vect_analyze_data_ref_accesses):
13260         (vect_analyze_pointer_ref_access):
13261         (vect_get_memtag_and_dr):
13262         (vect_analyze_data_refs):
13263         (vect_mark_relevant):
13264         (vect_stmt_relevant_p):
13265         (vect_mark_stmts_to_be_vectorized):
13266         (vect_can_advance_ivs_p):
13267         (vect_get_loop_niters):
13268         (vect_analyze_loop_form):
13269         (vect_analyze_loop):
13270         (vectorize_loops): Likewise.
13272         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
13273         (vect_update_inits_of_drs):
13274         (vect_do_peeling_for_alignment):
13275         (vect_transform_loop):
13276         (vect_analyze_operations):
13277         (vect_analyze_scalar_cycles):
13278         (vect_analyze_data_ref_dependences):
13279         (vect_analyze_data_refs_alignment):
13280         (vect_analyze_data_ref_accesses):
13281         (vect_analyze_data_refs):
13282         (vect_mark_stmts_to_be_vectorized):
13283         (vect_get_loop_niters):
13284         (vect_analyze_loop_form):
13285         (vect_analyze_loop): Likewise.
13286         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
13288 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
13290         PR bootstrap/19796
13291         Revert:
13292         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
13293         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
13294         either -ffast-math or -funsafe-math-optimizations is in use.
13296         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
13297         * config/mips/irix-csr.c: New file.
13298         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
13299         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
13300         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
13301         executables.
13303 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
13305         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
13306         redundant, incorrect definitions.
13308         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
13309         expand.
13310         ("*tls_indirect_call"): New, reference hard regs directly.
13311         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
13313 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
13315         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
13316         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
13318 2005-02-06  Roger Sayle  <roger@eyesopen.com>
13320         PR rtl-optimization/19800
13321         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
13322         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
13323         gen_lowpart.
13325 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
13327         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
13329 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
13331         PR other/17135
13332         * doc/invoke.texi: Correct documentation of -freorder-functions.
13334 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
13336         PR other/14402
13337         * doc/invoke.texi: Don't mention gccbug.
13339 2005-02-06  Roger Sayle  <roger@eyesopen.com>
13340             Andrew Pinski  <pinskia@physics.uc.edu>
13341             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
13343         * simplify-rtx.c (simplify_relational_operation_1): Simplify
13344         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
13345         into just (zero_extract:SI FOO (const_int 1) BAR).
13347 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
13349         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
13350         macro locally.  Don't give last revision date.  Use GCC version
13351         number from gcc-common.texi.
13352         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
13353         revision date.  Use GCC version number from gcc-common.texi.
13354         Describe being a library as current state rather than as 3.x
13355         history.
13356         * doc/gcc.texi: Remove last update date.
13357         * doc/gccint.texi: Likewise.  Update copyright dates.
13358         * doc/install.texi: Update copyright dates.
13360 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
13362         PR other/7549
13363         * doc/invoke.texi: Mention for each option included in -Wall that
13364         it is included in -Wall.
13365         * doc/gcc.texi: Update copyright and last modification date.
13367 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
13369         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
13370         unnecessary cast to original induction variable increments.
13372 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
13374         PR tree-optimization/18219
13375         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
13376         in distributed form.
13378 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
13380         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
13381         Set bitpos and offset later in the function.  Do nothing if the
13382         target is a register and if the bitfield lies completely outside
13383         that register.
13384         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
13385         here.  Return an uninitialised register if the source value is stored
13386         in a register and the bitfield lies completely outside that register.
13388 2005-02-06  Steven Bosscher  <stevenb@suse.de>
13390         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
13391         not SET_DEST.
13393 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
13395         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
13397 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
13399         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
13400         * config/darwin8.h: New.
13401         * config/darwin7.h: Update comment.
13403 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
13404             Dorit Naishlos  <dorit@il.ibm.com>
13406         * tree-vectorizer.h (LOC): New type.
13407         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
13408         (loop_line_number): New field in struct _loop_vec_info.
13409         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
13411         * tree-vectorizer.c (input.h): Included.
13412         (find_loop_location): New function.
13413         (vect_debug_stats): Argument changed from loop to LOC. Computation of
13414         loop line number removed.
13415         (vect_debug_details): Likewise.
13416         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
13418         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
13419         call to vect_debug_details/stats changed from loop to loop_loc.
13420         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
13421         (slpeel_tree_peel_loop_to_edge): Likewise.
13423         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
13424         changed from NULL to UNKNOWN_LOC.
13425         (vect_get_base_and_offset):
13426         (vect_create_addr_base_for_vector_ref):
13427         (get_vectype_for_scalar_type):
13428         (vect_create_data_ref_ptr):
13429         (vect_init_vector):
13430         (vect_get_vec_def_for_operand):
13431         (vect_finish_stmt_generation):
13432         (vectorizable_assignment):
13433         (vectorizable_operation):
13434         (vectorizable_store):
13435         (vectorizable_load):
13436         (vect_transform_stmt):
13437         (vect_update_ivs_after_vectorizer):
13438         (vect_do_peeling_for_loop_bound):
13439         (vect_do_peeling_for_alignment):
13440         (vect_transform_loop):
13441         (vect_is_simple_use):
13442         (vect_analyze_operations):
13443         (vect_is_simple_iv_evolution):
13444         (vect_analyze_scalar_cycles):
13445         (vect_analyze_data_ref_dependences):
13446         (vect_compute_data_ref_alignment):
13447         (vect_enhance_data_refs_alignment):
13448         (vect_analyze_data_ref_access):
13449         (vect_analyze_data_ref_accesses):
13450         (vect_analyze_pointer_ref_access):
13451         (vect_get_memtag_and_dr):
13452         (vect_analyze_data_refs):
13453         (vect_mark_relevant):
13454         (vect_stmt_relevant_p):
13455         (vect_mark_stmts_to_be_vectorized):
13456         (vect_can_advance_ivs_p):
13457         (vect_get_loop_niters):
13458         (vect_analyze_loop):
13459         (vectorize_loops): Likewise.
13461         (vectorizable_load): Argument in call to vect_debug_details/stats
13462         changed from loop to LOOP_LOC (loop_vinfo).
13463         (vect_transform_loop):
13464         (vect_analyze_operations):
13465         (vect_analyze_scalar_cycles):
13466         (vect_analyze_data_ref_dependence):
13467         (vect_enhance_data_refs_alignment):
13468         (vect_analyze_data_ref_accesses):
13469         (vect_analyze_pointer_ref_access):
13470         (vect_analyze_data_refs):
13471         (vect_analyze_loop): Likewise.
13473         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
13474         changed from loop to loop_loc.
13476         (vect_enhance_data_refs_alignment): Removed unused variable loop.
13478 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
13479             Dorit Naishlos  <dorit@il.ibm.com>
13481         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
13482         declaration added.
13483         (vect_analyze_data_ref_dependences): Likewise.
13485         (vect_is_simple_use): Argument changed from loop structure to
13486         loop_vect_info structure.
13487         (vect_can_advance_ivs_p): Likewise.
13488         (vect_create_index_for_vector_ref): Likewise.
13489         (vect_update_ivs_after_vectorizer): Likewise.
13490         (new_stmt_vec_info): Likewise.
13492         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
13493         changed from loop to loop_vinfo.
13494         (vect_create_data_ref_ptr): First argument in call to
13495         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
13496         (vectorizable_assignment): Second argument in call to vect_is_simple_use
13497         was changed from loop to loop_vinfo.
13498         (vectorizable_operation): Likewise.
13499         (vectorizable_store): Likewise.
13500         (vect_mark_stmts_to_be_vectorized): Likewise.
13501         (vect_do_peeling_for_loop_bound): First argument in call to
13502         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
13503         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
13504         was changed from loop to loop_vinfo.
13505         (vect_analyze_data_ref_dependences): Third argument in call to
13506         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
13508         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
13509         (vect_create_data_ref_ptr): Likewise.
13510         (vect_init_vector): Likewise.
13511         (vect_get_vec_def_for_operand): Likewise.
13512         (vectorizable_assignment): Likewise.
13513         (vectorizable_operation): Likewise.
13514         (vectorizable_store): Likewise.
13515         (vectorizable_load): Likewise.
13516         (vect_update_ivs_after_vectorizer): Likewise.
13517         (vect_is_simple_use): Likewise.
13518         (vect_analyze_data_ref_dependence): Likewise.
13519         (vect_analyze_pointer_ref_access): Likewise.
13520         (vect_can_advance_ivs_p): Likewise.
13522         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
13523         before _stmt_vec_info.
13524         (_stmt_vec_info): Loop field replaced by loop_vec_info.
13525         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
13526         (new_stmt_vec_info): Argument changed from loop structure to
13527         loop_vect_info structure
13529         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
13530         (vect_analyze_offset_expr): Avoid 80 columns overflow.
13531         (vect_create_addr_base_for_vector_ref): Likewise.
13532         (vect_analyze_pointer_ref_access): Likewise.
13534 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
13536         PR tree-opt/19768
13537         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
13538         phi flag if the phi is abnormal.
13540 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
13542         PR tree-opt/19736
13543         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
13544         information for the new statement.
13546 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
13548         PR driver/19117
13549         * gcc.c (main): Include the target in -v output.
13551 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
13553         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
13554         Do not drop the extend if we'd have to add a paradoxical subreg
13555         later.  Include optabs.h and insn-codes.h.
13556         * Makefile.in (combine.o): Depend on $(OPTABS_H).
13558 2005-02-02  Roger Sayle  <roger@eyesopen.com>
13560         PR middle-end/19405
13561         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
13562         * fold-const.c (const_binop): Avoid constant folding floating
13563         point operations in modes that use composite representations.
13564         * simplify-rtx.c (simplify_binary_operation): Likewise.
13566 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
13568         * config/rs6000/altivec.md (altivec_dst): Make the first operand
13569         a REG, not a MEM.
13570         (altivec_dstt): Likewise.
13571         (altivec_dstst): Likewise.
13572         (altivec_dststt): Likewise.
13573         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
13574         of first operand.
13576 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
13578         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
13579         EXPR_LOCUS from orig_cond to the new cond_stmt.
13580         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
13581         the new vec_stmt.
13583 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
13585         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
13586         standard_iv_increment_position. Remove call to bsi_next
13587         (no need to bump the iterator anymore).
13588         (vect_create_index_for_vector_ref): Call
13589         standard_iv_increment_position. Remove second function argument.
13590         (vect_finish_stmt_generation): Remove call to bsi_next
13591         (no need to bump the iterator anymore).
13592         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
13593         to vect_create_index_for_vector_ref.
13595 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
13597         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
13598         phis are used out of the loop.
13600 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
13602         PR c/17807
13603         * c-decl.c (undef_nested_function): New variable.
13604         (pop_scope): Diagnose undefined nested functions.
13605         (finish_function): Don't attempt cgraph processing or genericizing
13606         if current top-level function contained an undefined nested
13607         function.  Reset undef_nested_function at the end of a top-level
13608         function.
13610 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
13612         * tree.c (build_int_cst_type): Take sign of the value into account
13613         when deciding whether sign extend the value.
13615 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
13617         PR c/18502
13618         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
13619         (cpp_options, cc1_options): Change %{std*&ansi} to
13620         %{std*&ansi&trigraphs}.
13622 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
13624         * cse.c: Update comments.
13626 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
13628         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
13629         arguments go on the stack.  Do not put complex doubles in odd/even
13630         pairs.
13632 2005-02-02  Steven Bosscher  <stevenb@suse.de>
13634         * doc/invoke.texi: Update the options enabled at -O1, -O2,
13635         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
13636         -ftree-pre, and -fthread-jumps.
13638 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
13640         PR tree-optimization/19578
13641         * tree-flow.h (modified_noreturn_calls): Declare.
13642         (noreturn_call_p): Declare.
13643         * tree-flow-inline.h (noreturn_call_p): New function.
13644         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
13645         * tree-cfg.c (modified_noreturn_calls): New variable.
13646         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
13647         that contain a mid-block noreturn call.
13648         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
13650 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
13652         * df.c (df_def_record_1, df_uses_record): Don't use
13653         DF_FOR_REGALLOC.
13654         * df.h (DF_FOR_REGALLOC): Remove.
13656 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
13658         PR c/19435
13659         * c-typeck.c (really_start_incremental_init): Reset
13660         constructor_max_index for arrays of incomplete type.
13662 2005-02-02  Jeff Law  <law@redhat.com>
13664         * gcse.c (struct reg_set): Store the block index where the register
13665         was set rather than the setting insn.
13666         (record_one_set, compute_transp): Corresponding changes.
13667         (pre_insert_copy_insn): Do not call replace_one_set.
13668         (replace_one_set): Remove.
13670 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
13672         PR other/15514
13673         * doc/gcov.texi: Fix typo.
13675 2005-02-01  Richard Henderson  <rth@redhat.com
13677         PR target/19680
13678         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
13679         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
13680         type to bool.
13681         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
13682         * config/i386/i386-protos.h: Update.
13684 2005-02-01  Steven Bosscher  <stevenb@suse.de>
13686         PR tree-optimization/19217
13687         * tree-cfg.c (verify_expr): Use the data field to see if TP was
13688         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
13689         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
13690         that it is walking a PHI node.
13692 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
13694         * doc/extend.texi (Nested Functions): Update.
13696 2005-02-01  Richard Henderson  <rth@redhat.com>
13698         PR 19696
13699         * optabs.c (expand_copysign_absneg): Export.
13700         * optabs.h (expand_copysign_absneg): Declare.
13701         * config/rs6000/rs6000.md (copysigntf3): New.
13703 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
13705         PR tree-optimization/19633
13706         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
13707         * tree-ssa-alias.c (init_alias_info): Initialize.
13708         (merge_pointed_to_info): Set.
13709         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
13710         (dump_points_to_info_for): Show value of pt_null.
13711         (struct count_ptr_d): Declare.
13712         (find_ptr_dereference): Remove.
13713         (ptr_is_dereferenced_by): Remove.
13714         (count_ptr_derefs): New local function.
13715         (count_uses_and_derefs): New local function.
13716         (compute_points_to_and_addr_escape): Call it.  If the number
13717         of dereferences is greater than zero, mark the pointer as
13718         dereferenced.  If there are fewer dereferences than uses of
13719         the pointer, the pointer's value escapes.
13721 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
13723         PR tree-optimization/19670
13724         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
13725         here...
13726         (verify_use): ... set it here, instead.
13728 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
13730         * doc/sourcebuild.texi (Test directives): Fix formatting.
13732         * doc/sourcebuild.texi (Test directives): Describe selector
13733         expressions.
13735 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
13737         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
13738         specific 64-bit CPUs.
13740 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
13742         PR target/16201
13743         * arm.c (arm_eliminable_register): New function.
13744         (adjacent_mem_locations): Don't allow eliminable registers.  Use
13745         HOST_WIDE_INT for address offsets.
13746         * arm-protos.h (arm_eliminable_register): Add prototype.
13748 2005-02-01  Steven Bosscher  <stevenb@suse.de>
13750         PR optimization/15242
13751         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
13752         * basic-block.h (duplicate_computed_gotos): Add prototype.
13753         * bb-reorder.c (duplicate_computed_gotos): New function to
13754         duplicate sufficiently small blocks ending in a computed jump.
13755         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
13756         if not optimizing for size.
13757         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
13758         never do tail merging for blocks ending in a computed jump.
13759         * doc/invoke.texi: Document the max-goto-duplication-insns param.
13761 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
13763         Patch from Richard Sandiford <rsandifo@redhat.com>
13764         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
13765         from inheriting a subreg equivalence with a non-spill register.
13767         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
13769 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
13771         * config/frv/frv.c (movcc_fp_destination_operand): New.
13772         (gpr_or_memory_operand): Fix typo in comment.
13773         (gpr_or_memory_operand_with_scratch): New.
13774         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
13775         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
13776         movcc_fp_destination_operand.
13777         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
13778         Legitimize memory addresses using a scratch register.
13780 2005-01-31  Jeff Law  <law@redhat.com>
13782         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
13783         bitmap a sparse bitmap instead of a simple bitmap.
13784         (mark_def_sites_initialize_block):  Corresponding changes.
13785         (ssa_mark_def_sites_initialize_block): Likewise.
13786         (ssa_mark_phi_uses): Likewise.
13787         (mark_def_site, ssa_mark_def_sites): Likewise.
13788         (mark_def_site_blocks): Likewise.
13789         (rewrite_ssa_into_ssa): Likewise.
13791         * tree-ssa-dom.c (record_cond): Pass correct variable type
13792         for last argument to htab_find_slot_with_hash.
13794         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
13795         effects when optimizing 0 % X.  Do not try to optimize X % 0.
13797 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
13799         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
13800         1_mmalua.
13802 2005-02-01  Eric Christopher  <echristo@redhat.com>
13804         * config/mips/mips.c (override_options): Warn if -mint64
13805         is used.
13806         * doc/invoke.texi (MIPS Options): Document that -mint64 is
13807         deprecated.
13809 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
13811         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
13812         timestamp.
13813         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
13814         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
13815         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
13816         (cached_regno): Initialize to INVALID_REGNUM.
13817         (cse_reg_info_table_size,
13818         cse_reg_info_table_first_uninitialized,
13819         cse_reg_info_timestamp): New.
13820         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
13821         get_cse_reg_info.
13822         (init_cse_reg_info, get_cse_reg_info_1): New.
13823         (get_cse_reg_info): Cache the last look-up.
13824         (new_basic_block): Update the code to clear mappings from
13825         registers to cse_reg_info entries.
13826         (cse_main): Call init_cse_reg_info.
13828         * cse.c (get_cse_reg_info): Update a comment.
13830 2005-01-31  Steven Bosscher  <stevenb@suse.de>
13832         PR c/19333
13833         * c-decl.c (start_decl): Do not warn about arrays of elements with
13834         an incomplete type here.
13835         (grokdeclarator): Do it here by making a pedwarn an error.
13836         * c-typeck.c (push_init_level): If there were previous errors with
13837         the constructor type, do not warn about braces for initializers.
13838         (process_init_element): Likewise for excess initializer elements.
13840 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
13842         * cse.c (delete_trivially_dead_insn): Don't iterate.
13844 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
13846         * config/rs6000/rs6000.md (copysignsf3): New expand.
13847         (copysigndf3): Likewise.
13849 2005-01-31  Steven Bosscher  <stevenb@suse.de>
13851         * recog.c (constrain_operands): Only look for earlyclobber operand
13852         conflicts if an '&' constraint was seen.
13854 2005-01-31  Marc Espie <espie@openbsd.org>
13856         * config.gcc: Don't include embedded systems fragment, switches default
13857         debugging format to ELF.
13858         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
13859         longer pick it up there.
13861 2005-01-31  Dale Johannesen  <dalej@apple.com>
13863         * doc/extend.texi (nested functions): Fix linkage description.
13864         Clarify that static is not allowed.
13866 2005-01-31  Dale Johannesen  <dalej@apple.com>
13868         * config/rs6000/darwin.md (movsf_low_di):  Make work.
13869         (movdf_low_di):  Make work.
13871 2005-01-31  Dale Johannesen  <dalej@apple.com>
13873         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
13874         Make work for 64 bit.
13876 2005-01-31  Roger Sayle  <roger@eyesopen.com>
13877             Dale Johannesen  <dalej@apple.com>
13879         PR middle-end/19650
13880         * fold-const.c (fold_binary_op_with_conditional_arg):
13881         Make types match original operands, before STRIP_NOPS.
13883 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
13885         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
13886         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
13887         (struct gcc_sigcontext): Delete.  Merge contents to..
13888         (struct gcc_ucontext): ..here.
13889         (get_sigcontext): Delete.
13890         (get_regs): New function, like get_sigcontext but return regs ptr.
13891         64-bit version finds regs from r1 to support vdso.
13892         (ppc_linux_aux_vector): New function.
13893         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
13894         and vector regs.
13896 2005-01-31  Ira Rosen  <irar@il.ibm.com>
13898         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
13899         sizetype.
13900         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
13901         redundant fold. Fix misalignment for MINUS_EXPR.
13902         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
13903         (vect_analyze_pointer_ref_access): Likewise.
13904         (vect_get_memtag_and_dr): Likewise.
13906 2005-01-31  Richard Henderson  <rth@redhat.com>
13908         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
13909         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
13910         absnegdf2_i387, absnegxf2_i387): Likewise.
13912 2005-01-31  Richard Henderson  <rth@redhat.com>
13914         PR 19696
13915         * optabs.c (expand_copysign_absneg): New.
13916         (expand_copysign_bit): Split out from ...
13917         (expand_copysign): ... here.  Use expand_copysign_absneg.
13919 2005-01-30  Roger Sayle  <roger@eyesopen.com>
13921         PR middle-end/19697
13922         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
13923         constant as the second operand and a register as the third.
13925 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
13927         PR target/19704
13928         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
13929         that dllimport'd functions do not use all call-clobbered registers
13930         to pass parameters.
13932 2005-01-30  Richard Henderson  <rth@redhat.com>
13934         PR 19696
13935         * optabs.c (expand_absneg_bit): Split out from expand_unop and
13936         expand_abs_nojump and generalize.  Use operand_subword and
13937         emit_no_conflict_block.  Support large modes.
13938         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
13939         back to maximum.
13940         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
13941         negation to subtraction.
13942         (expand_copysign): Check that the format has signed zeros.
13943         Use operand_subword and emit_no_conflict_block.  Support large modes.
13945 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
13947         Fix PR tree-optimization/19624
13949         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
13950         * tree-ssa-pre.c: Add cfgloop.h.
13951         Update comment.
13952         (pre_stats): New member, constified.
13953         (inserted_exprs): New static variable.
13954         (NECESSARY): New macro.
13955         (create_expression_by_pieces): Fold the expression, and
13956         mark it as defaulting to not necessary. Also put in
13957         inserted_exprs.
13958         (fully_constant_expression): New function.
13959         (insert_into_preds_of_block): Modify to not insert phis when we
13960         are playing with induction variables.
13961         Push phis onto the inserted_exprs vector, and mark them as not
13962         necessary by default.
13963         (insert_aux): Call fully_constant_expression on eprime.
13964         If all edges produce the same value, mark it constant.
13965         (mark_operand_necessary): New function.
13966         (remove_dead_inserted_code): New function.
13967         (init_pre): Init loop optimizer to get loop info.
13968         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
13969         (execute_pre): Commit edge inserts, then remove dead code.
13971 2005-01-30  Richard Henderson  <rth@redhat.com>
13973         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
13974         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
13976 2005-01-30  Richard Henderson  <rth@redhat.com>
13978         PR target/19700
13979         * config/i386/i386.c (ix86_expand_copysign): New.
13980         (ix86_split_copysign_const): New.
13981         (ix86_split_copysign_var): Rename from ix86_split_copysign,
13982         rearrange op1/nmask operands.
13983         * config/i386/i386-protos.h: Update.
13984         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
13985         (copysigndf3): Likewise.
13986         (copysignsf3_const, copysigndf3_const): New.
13987         (copysignsf3_var): Rename from copysignsf3, split out splitter
13988         and fix split predicate for X constraint.
13989         (copysigndf3_var): Similarly.
13991 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
13993         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
13994         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
13995         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
13997 2005-01-29  Richard Henderson  <rth@redhat.com>
13999         PR target/19690
14000         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
14001         of # and * in constraints.
14003 2005-01-29  Richard Henderson  <rth@redhat.com>
14005         PR middle-end/19689
14006         * expr.c (store_field): Don't strip sub-mode cast when the input
14007         data is even smaller.
14009 2005-01-29  Richard Henderson  <rth@redhat.com>
14011         PR middle-end/19687
14012         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
14013         union being empty.
14015 2005-01-29  Richard Henderson  <rth@redhat.com>
14017         * combine.c (make_field_assignment): Fix argument order
14018         to gen_int_mode.
14020 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
14022         PR tree-optimization/15791
14023         * fold-const.c (extract_array_ref): New function.
14024         (fold): Fold comparisons between &a[i] and &a[j] or
14025         semantically equivalent trees.
14027 2005-01-29  Jeff Law  <law@redhat.com>
14029         * gcse.c (insert_expr_in_table): Revamp handling of available
14030         and anticipatable occurrence lists to avoid unnecessary list
14031         walking.
14032         (insert_set_in_table): Similarly.
14034 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
14036         * c-common.c (fix_string_type): Just use c_build_qualified_type to
14037         build string type.
14038         (c_build_qualified_type): Build qualified array types with
14039         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
14040         * c-decl.c (c_make_fname_decl): Build unqualified array type
14041         before qualified type.
14042         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
14043         type is qualified, not just if type itself is.  Don't apply
14044         qualifiers to array type when declarator is processed.  Apply
14045         qualifiers to field type whether or not it is an array type.
14046         Don't handle array types specially for applying qualifiers to
14047         variables.
14048         * c-typeck.c (composite_type): Build unqualified element type and
14049         array type when forming composite of array types.
14050         (common_pointer_type, comptypes, comp_target_types,
14051         type_lists_compatible_p, build_indirect_ref, build_array_ref,
14052         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
14053         types.
14054         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
14055         (args2) in variables a1 and a2.
14057 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
14059         * cse.c (n_elements_made, max_elements_made): Remove.
14060         (insert): Don't touch n_elements_made.
14061         (cse_main): Don't touch n_elements_made or max_elements_made.
14063 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
14065         PR target/15384
14066         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
14067         configuration part of dp-bit.c to be lost.
14069 2005-01-28  Roger Sayle  <roger@eyesopen.com>
14071         * expmed.c (expand_mult_highpart_optab): When attempting to use
14072         a non-widening multiplication in a wider mode, the operands need
14073         to be converted (zero or sign extended) to that mode.
14075 2005-01-28  Ian Lance Taylor  <ian@airs.com>
14077         PR middle-end/16558
14078         PR middle-end/19583
14079         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
14080         through if both operands fall through.
14082 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
14084         * cse.c (fold_rtx) <PC>: Don't optimize.
14086 2005-01-28  Jeff Law  <law@redhat.com>
14088         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
14089         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
14091 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
14093         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
14094         cse_reg_info_used_list_end): Remove.
14095         (cse_reg_info_list, cse_reg_info_list_free): New.
14096         (get_cse_reg_info): When allocating an instance of
14097         cse_reg_info, add it to the beginning of the cse_reg_info_list
14098         list.  Remove code to maintain cse_reg_info_used_list.
14099         (new_basic_block): Reset the free list to the beginning of
14100         cse_reg_info_list.
14102 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
14104         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
14105         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
14106         (frv_expand_mdpackh_builtin): New function.
14107         (frv_expand_builtin): Use it to expand __MDPACKH.
14108         * doc/extend.texi (__MDPACKH): Update documentation.
14110 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
14112         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
14113         SSE_FLOAT_MODE_P for use_sse computation.
14115 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
14117         PR target/19663
14118         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
14120 2005-01-27  Richard Henderson  <rth@redhat.com>
14122         * builtins.c (expand_builtin_copysign): New.
14123         (expand_builtin): Call it.
14124         * genopinit.c (optabs): Add copysign_optab.
14125         * optabs.c (init_optabs): Initialize it.
14126         (expand_copysign): New.
14127         * optabs.h (OTI_copysign, copysign_optab): New.
14128         (expand_copysign): Declare.
14130         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
14131         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
14133         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
14134         (ix86_expand_fp_absneg_operator): ... here.
14135         (ix86_split_copysign): New.
14136         * config/i386/i386-protos.h: Update.
14137         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
14138         (copysignsf3, copysigndf3): New.
14140         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
14141         (copysignsf3, ncopysignsf3): New.
14142         (copysigndf3, ncopysigndf3): New.
14143         (copysignxf3, ncopysignxf3): New.
14144         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
14146 2005-01-27  Arend Bayer  <arend.bayer@web.de>
14147             Kazu Hirata  <kazu@cs.umass.edu>
14149         * cse.c: (find_best_addr): Don't call copy_rtx before calling
14150         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
14151         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
14152         NULL_RTX.
14154 2005-01-27  Jeff Law  <law@redhat.com>
14156         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
14157         definitions of SSA_NAMEs which are not being rewritten.
14158         (rewrite_ssa_into_ssa): Only initialize the current definition
14159         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
14160         If checking is enabled, assert that SSA_NAME_AUX is clear for all
14161         SSA_NAMEs before returning.
14163 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
14165         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
14166         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
14167         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
14168         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
14169         config/mips/iris6.h, config/sh/sh.c: Update copyright.
14171 2005-01-27  Steven Bosscher  <stevenb@suse.de>
14173         PR middle-end/17278
14174         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
14175         higher to -O2 and higher.  Likewise for tree PRE.
14176         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
14177         and better.
14179 2005-01-27  Ian Lance Taylor  <ian@airs.com>
14181         PR middle-end/19583
14182         * gimple-low.c (try_catch_may_fallthru): New static function.
14183         (block_may_fallthru): Handle TRY_CATCH_EXPR.
14184         * tree-inline.c (expand_call_inline): Don't warn about reaching
14185         the end of a non-void function being inlined if the function uses
14186         a return slot.
14188 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
14190         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
14192         PR c/18946
14193         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
14194         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
14195         (implicitly_declare): Handle error_mark_node.
14197 2005-01-27  Richard Henderson  <rth@redhat.com>
14199         PR tree-opt/14329
14200         * tree.h (struct tree_decl): Add debug_expr_is_from.
14201         (DECL_DEBUG_EXPR_IS_FROM): New.
14202         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
14203         * dwarf2out.c (dwarf2out_var_location): Update to match.
14204         * tree-outof-ssa.c (create_temp): Likewise.
14205         * var-tracking.c (track_expr_p): Likewise.
14206         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
14207         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
14208         * toplev.c (default_tree_printer): Likewise.
14210 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
14212         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
14213         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
14215 2005-01-27  Steven Bosscher  <stevenb@suse.de>
14217         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
14218         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
14219         ASM_CLOBBERS): Add tree checks.
14221         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
14222         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
14223         * c-common.def (SWITCH_STMT): Update to match.
14224         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
14225         macros instead of SWITCH_EXPR ones.
14226         * c-dump.c (c_dump_tree): Likewise.
14227         * c-gimplify.c (gimplify_switch_stmt): Likewise.
14228         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
14230         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
14232 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
14234         * unwind-dw2.c (execute_stack_op): Add missing cases for
14235         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
14237 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
14239         * config.gcc (Obsolete configurations): Remove 'dummy', add
14240         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
14241         sparc-*-openbsd*.
14243 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
14245         PR tree-optimization/19633
14246         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
14247         CALL_EXPRs.
14248         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
14249         are no call-clobbered variables.
14250         * tree-outof-ssa.c (check_replaceable): Return false for calls
14251         with side-effects.
14253 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
14255         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
14256         even for variables with NULL DECL_INITIAL.
14258 2005-01-26  Stuart Hastings  <stuart@apple.com>
14260         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
14262 2005-01-26  Richard Henderson  <rth@redhat.com>
14264         PR middle-end/18008
14265         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
14266         field's type.
14267         * expr.c (store_field): Strip conversions to odd-bit-sized types
14268         if the destination field width matches.
14270 2005-01-26  Richard Henderson  <rth@redhat.com>
14272         * c-decl.c, expmed.c, expr.c: Revert last change.
14274 2005-01-26  Richard Henderson  <rth@redhat.com>
14276         PR middle-end/18008
14277         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
14278         field's type.
14279         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
14280         if we don't need the bits above those present in the current mode.
14281         * expr.c (store_field): Strip conversions to odd-bit-sized types
14282         if the destination field width matches.
14284 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
14286         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
14287         either -ffast-math or -funsafe-math-optimizations is in use.
14289 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
14291         PR target/19293
14292         PR target/19329
14293         * config/avr/avr.c (notice_update_cc): Only set condition code for
14294         ashrqi3 if shift count > 0.
14295         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
14296         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
14297         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
14298         count <= 0 as a no-op, and shift count >= width by copying zero
14299         or sign bit to all bits of the result.
14300         * config/avr/avr.md (all shifts): Add alternatives for zero shift
14301         count, with attribute "length" set to 0 and "cc" set to "none".
14303 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
14305         * doc/invoke.texi: Document -mTLS.
14307         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
14308         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
14309         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
14310         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
14311         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
14312         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
14313         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
14314         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
14316         * configure.ac: Check for a TLS capable gas.
14318         * configure: Regenerate.
14320 2005-01-26  Richard Henderson  <rth@redhat.com>
14322         PR middle-end/18008
14323         * combine.c (make_field_assignment): Simplify store to zero_extract
14324         from a source with an overlapping mask.
14326 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
14328         2004-11-11  Eric Christopher  <echristo@redhat.com>
14330         * config/frv/frv.md: Add fr400_integer automaton. Don't
14331         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
14332         to TYPE_MACC.
14334 2005-01-26  Steven Bosscher  <stevenb@suse.de>
14336         PR middle-end/16585
14337         * cfgbuild.c (make_edges): Do not clear or set
14338         current_function_has_computed_jump.
14339         * function.h (struct function): Remove the has_computed_jump field.
14340         (current_function_has_computed_jump): Do not define.
14341         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
14342         in a computed jump.  Ignore current_function_has_computed_jump.
14344 2005-01-26  Richard Henderson  <rth@redhat.com>
14346         PR middle-end/19515
14347         * expr.c (categorize_ctor_elements): New argument p_must_clear.
14348         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
14349         fully initialized.
14350         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
14351         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
14352         objects into static storage if they have more than one non-zero value.
14353         * tree.h (categorize_ctor_elements): Update decl.
14355 2005-01-26  Steven Bosscher  <stevenb@suse.de>
14357         PR middle-end/19616
14358         * tree.h (CALL_EXPR_TAILCALL): Add comment.
14359         * calls.c (check_sibcall_argument_overlap_1): Revert the change
14360         to this function from 2004-07-10.
14361         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
14362         the current function for tail call optimizations if the address
14363         of one of it its arguments is taken.
14365 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
14367         * cse.c (fold_rtx): Call equiv_constant only when necessary.
14369 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
14371         * function.c (expand_function_end): If current_function_calls_alloca,
14372         emit stack restore in a place that is reached when the function falls
14373         through at the end.
14375 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
14377         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
14378         rule to avoid matching inappropriate suffix rule.
14380 2005-01-26  Jan Hubicka  <jh@suse.cz>
14382         PR tree-optimization/19241
14383         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
14385 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
14387         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
14388         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
14389         of doubling.
14390         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
14391         <sim*>: Always use crt1.o, regardless of N in simN.
14392         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
14393         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
14394         (CRT_CALL_STATIC_FUNCTION): Remove.
14395         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
14396         use crt1.o, regardless of N in simN.
14397         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
14398         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
14399         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
14400         case isystem setting.
14401         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
14403 2005-01-25  Ian Lance Taylor  <ian@airs.com>
14405         * gimple-low.c (block_may_fallthru): Correct handling of
14406         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
14408 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
14410         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
14411         handlers to match indentation; nested under the mtune=* handler.
14412         Similar for mcpu= and march=.
14414 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
14416         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
14417         * config/mips/linux64.h (LIB_SPEC): Likewise.
14418         * config/mn10300/linux.h (LIB_SPEC): Likewise.
14419         * config/sh/linux.h (LIB_SPEC): Likewise.
14421 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
14423         * config/frv/frv.c (frv_legitimize_tls_address): New.
14424         (TARGET_HAVE_TLS): Define.
14425         (FRV_SYMBOL_REF_TLS_P): Define.
14426         (frv_override_options): Handle new register classes.
14427         (frv_legitimate_address_p): Reject tls addresses.
14428         (frv_legitimize_address): Handle TLS addresses.
14429         (gen_inlined_tls_plt): New.
14430         (gen_tlsmoff): New.
14431         (frv_legitimize_tls_address): New.
14432         (unspec_got_name): Add TLS entries.
14433         (got12_operand): Add R_FRV_TLSMOFF12 case.
14434         (frv_emit_move): Fixup TLS addresses.
14435         (frv_emit_movsi): Legitimize TLS addresses.
14437         * config/frv/frv.h (MASK_BIG_TLS): New.
14438         (TARGET_BIG_TLS): New.
14439         (HAVE_AS_TLS): Define.
14440         (TARGET_SWITCHES): Add -mTLS and -mtls options.
14441         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
14442         (REG_CLASS_NAMES): Same.
14443         (REG_CLASS_CONTENTS): Same.
14444         (CONSTRAINT_LEN): New.
14445         (REG_CLASS_FROM_CONSTRAINT): New.
14446         (PREDICATE_CODES): Add symbolic_operand.
14448         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
14449         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
14450         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
14451         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
14452         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
14453         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
14454         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
14455         GR9_REG, GR14_REG, LRREG.
14456         (type): Add load_or_call attribute.
14457         ("load_or_call"): New reservation.
14458         ("call_gettlsoff"): New.
14459         ("tls_indirect_call"): New.
14460         ("tls_load_gottlsoff12"): New.
14461         ("tlsoff_hilo"): New.
14462         ("tls_tlsdesc_ldd"): New.
14463         ("tls_tlsoff_ld"): New.
14464         ("tls_lddi"): New.
14466         * config/frv/frv-protos.h (symbolic_operand): Protoize.
14468         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
14470         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
14471         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
14472         * config/frv/frv.c (TLS_BIAS): Define.
14473         (frv_output_dwarf_dtprel): New.
14475 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
14477         PR rtl-optimization/19579
14478         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
14479         both A and B, see if they don't clobber registers the other expr uses.
14481 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
14483         * real.c (do_add): Initialize signalling and canonical members.
14485         * real.c (real_from_integer): Zero out destination.
14487 2005-01-18  Jan Hubicka  <jh@suse.cz>
14489         PR tree-optimize/19337
14490         * tree-inline.c (initialize_inlined_parameters): Copy
14491         saved_static_chain_decl only.
14493 2005-01-25  Richard Henderson  <rth@redhat.com>
14495         PR target/19556
14496         PR target/19584
14497         * config/i386/i386.c (x86_inter_unit_moves): Zero.
14498         (ix86_preferred_reload_class): Rewrite fp-constant section, with
14499         80387 enabled, to return a proper subclass.  Return the subset that
14500         overlaps with GENERAL_REGS for PLUS.
14501         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
14503 2005-01-25  Richard Henderson  <rth@redhat.com>
14505         PR middle-end/19609
14506         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
14508 2005-01-25  Roger Sayle  <roger@eyesopen.com>
14510         * expmed.c (choose_multiplier): Change interface to return the
14511         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
14512         (expand_divmod): Update calls to choose_multiplier.
14514 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14516         PR middle-end/19330
14517         * expmed.c (extract_bit_field): Use adjust_address instead of
14518         gen_lowpart when op0 is a MEM.
14520 2005-01-24  Steven Bosscher  <stevenb@suse.de>
14522         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
14524 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
14526         * config/mips/irix-csr.c: New file.
14527         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
14528         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
14529         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
14530         executables.
14532 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
14534         PR bootstrap/19364
14535         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
14536         sparc/elf.h, add sparc/sp-elf.h.
14537         (sparc-*-rtems*): Likewise.
14538         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
14539         tm-dwarf2.h, add sparc/sp-elf.h.
14540         (sparc86x-*-elf): Likewise.
14541         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
14542         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
14543         TARGET_OS_CPP_BUILTINS.
14544         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
14545         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
14546         Undefine it.
14547         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
14548         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
14549         (SWITCH_TAKES_ARG): Likewise.
14550         (LOCAL_LABEL_PREFIX): Likewise.
14551         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
14552         (TARGET_N_FORMAT_TYPES): Delete.
14553         (TARGET_FORMAT_TYPES): Likewise.
14554         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14555         * config/sparc/elf.h: Delete.
14556         * config/sparc/sp-elf.h: New file.
14558 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
14560         * tree-flow-inline.h (phi_arg_from_edge): Remove.
14561         * tree-flow.h: Remove the corresponding prototype.
14562         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
14563         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
14565 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
14567         PR target/17751
14568         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
14569         for AIX ABI or ELF -fPIC.
14570         (rs6000_emit_load_toc_table): Don't create toc_section here.
14571         (rs6000_xcoff_file_start): Nor here.
14573 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
14575         * sh.c (ra.h): Don't #include.
14576         (hard_regs_intersect_p): New function, resurrected from ra.c.
14578         * sh.c: Fix 1996 Copyright.
14580 2005-01-24  Richard Henderson  <rth@redhat.com>
14581             Aldy Hernandez  <aldyh@redhat.com>
14583         * regrename.c (note_sets): Handle subregs.
14585 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
14587         PR bootstrap/18058
14588         * genconditions.c (write_header, write_conditions): Elide file if
14589         not GCC >= 3.0.1.
14591 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
14593         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
14594         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
14595         Update copyright.
14597 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
14599         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
14600         expand_builtin_printf, expand_builtin_fprintf,
14601         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
14602         checking against POINTER_TYPE.
14603         (validate_arglist): Handle POINTER_TYPE code by checking
14604         POINTER_TYPE_P.
14606 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
14608         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
14609         init_rtlanal): New.
14610         (for_each_rtx): Call for_each_rtx_1.
14611         * rtl.h (init_rtlanal): Declare.
14612         * toplev.c (backend_init): Call init_rtlanal.
14614 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
14616         * flow.c (propagate_one_insn): Formatting.
14618         PR middle-end/19551
14619         * flow.c (libcall_dead_p): Be more conservative if unsure.
14620         If there are any instructions between insn and call, see if they are
14621         all dead before saying the libcall is dead.
14623 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
14625         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
14626         operand constraint for operand 0.
14628 2005-01-23  Richard Henderson  <rth@redhat.com>
14630         PR 19486
14631         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
14632         edges leading to join block.
14634 2005-01-23  Roger Sayle  <roger@eyesopen.com>
14636         * expmed.c (expand_mult_highpart): Make static.  Change type of
14637         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
14638         (expand_divmod): Updates calls to expand_mult_highpart by using
14639         gen_int_mode to pass a CONST_INT rtx.
14640         * rtl.h (expand_mult_highpart): Remove prototype.
14642 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
14644         * flow.c (regset_bytes, regset_size): Remove.
14646         * cfganal.c: Fix a reference to Harvey's paper.
14648 2005-01-23  Steven Bosscher  <stevenb@suse.de>
14650         PR rtl-optimization/19464
14651         * tree-optimize.c (init_tree_optimization_passes): Add one more
14652         copyrename pass just before out-of-ssa.
14654 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
14656         PR bootstrap/18058
14657         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
14658         * ggc-none.c (ggc_free): Define.
14660 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
14662         * cse.c (max_reg, max_insn_uid): Remove.
14663         (cse_main): Don't access max_reg or max_insn_uid.
14665         * c-common.c (explicit_flag_signed_bitfields,
14666         lang_statement_code_p, lang_expand_function_end): Remove.
14667         * c-common.h: Remove the corresponding declarations.
14668         * c-opts.c (c_common_handle_option): Remove all write access
14669         to explicit_flag_signed_bitfields.
14671         * cgraph.c (cgraph_varpool_n_nodes): Remove.
14672         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
14673         * cgraph.h: Remove the corresponding declaration.
14675         * gcse.c (null_pointer_info): Remove.
14677 2005-01-23  Roger Sayle  <roger@eyesopen.com>
14678             Eric Botcazou  <ebotcazou@libertysurf.fr>
14680         * combine.c (simplify_logical): Only simplify logical expressions
14681         of the form ior(and(x,y),z) by the inverse distributive law if the
14682         result is cheaper than the original.
14684 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
14686         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
14687         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
14688         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
14689         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
14690         config/freebsd-spec.h, config/arm/arm.h,
14691         config/h8300/h8300.md, config/i386/i386.md,
14692         config/i386/predicates.md, config/i386/sse.md,
14693         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
14694         config/vax/vax.md: Fix comment typos.  Follow spelling
14695         conventions.
14697 2005-01-23  Steven Bosscher  <stevenb@suse.de>
14699         * gengtype.c (walk_type): Produce `not equal to' compares for loop
14700         tests, instead of `less than'.
14702 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
14704         * function.c (assign_parm_setup_block): When creating a new stack slot
14705         for a parameter, get its alignment from the parameter's DECL_ALIGN
14706         rather than the type's TYPE_ALIGN.  Make sure that the parameter
14707         is at least word aligned.
14709 2005-01-22  Roger Sayle  <roger@eyesopen.com>
14711         PR middle-end/19378
14712         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
14714 2005-01-22  Richard Henderson  <rth@redhat.com>
14716         PR target/19506
14717         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
14718         in both compare operands.
14719         (movdfcc_1_sse_max): Likewise.
14720         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
14721         (movdfcc_1_sse): Likewise.
14722         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
14723         scratch register as needed.
14725 2005-01-22  Richard Henderson  <rth@redhat.com>
14727         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
14729         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
14731 2005-01-22  Richard Henderson  <rth@redhat.com>
14733         * genopinit.c (optabs): Use smin/smax for floating point too.
14734         * doc/md.texi: Update to match.  Clarify that floating point
14735         results are undefined for +0/-0 and NaN.
14736         * doc/rtl.texi: Likewise.
14737         * rtl.def (SMIN, SMAX): Likewise
14738         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
14740         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
14741         leading 's' to the name.
14742         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
14743         smaxxf3, sminxf3): Likewise.
14744         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
14745         Likewise.
14747 2005-01-22  Paul Brook  <paul@codesourcery.com>
14749         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
14751 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
14753         * config/s390/s390.c (struct processor_costs): New fields
14754         dlgr, dlr, dr, dsgfr, dsgr.
14755         (z900_cost, z990_cost): Values for new fields.
14756         (s390_rtx_costs): New cases MEM und COMPARE in switch
14757         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
14758         DIV, MOD, UDIV, UMOD.
14760 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
14762         * config/s390/s390.md ("doloop_si64"): Reload input value directly
14763         into the register being decremented.
14764         ("doloop_si31", "doloop_di"): Likewise.
14765         ("*doloop_si_long"): Adapt pattern.
14767 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
14769         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
14770         access registers.
14771         (CLASS_MAX_NREGS): Likewise.
14773 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
14775         * doc/tree-ssa.texi (Statement Operands): Add example for new
14776         must-def macro. Note deprecation of old operands interface.
14778 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
14780         PR tree-optimization/19484
14781         * tree-cfg.c (remove_fallthru_edge): New function.
14782         (cleanup_control_flow): Remove fallthru edges from calls that are
14783         now known not to return.
14785 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
14787         Fix PR tree-optimization/19038
14788         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
14789         copies with loop variant ones.
14791 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
14793         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
14794         config/alpha/alpha-protos.h, config/alpha/alpha.h,
14795         config/alpha/alpha.md, config/alpha/predicates.md,
14796         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
14797         config/sparc/sol2.h: Update copyright.
14799         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
14800         first label to see if it is a nonlocal label.
14802 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
14803             Andrew Pinski  <pinskia@physics.uc.edu>
14805         PR target/19491
14806         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
14807         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
14809 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
14811         * config/rs6000/rtems.h: Update copyright.
14813 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
14815         PR target/19548
14816         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
14817         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
14818         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
14820 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
14822         PR c/18809
14823         * c-typeck.c (convert_arguments): Check for error_mark_node.
14825 2005-01-21  Ian Lance Taylor  <ian@airs.com>
14827         PR tree-optimization/13000
14828         * tree-inline.c: Include "tree-flow.h".
14829         (expand_call_inline): If warn_return_type, warn if non-void inline
14830         function falls through.
14831         * tree-cfg.c (execute_warn_function_return): Don't warn about
14832         control reaching end if TREE_NO_WARNING is set.  Set
14833         TREE_NO_WARNING.
14834         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
14835         has been lowered.
14836         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
14837         branch if we don't need one.
14838         * c-typeck.c: Include "tree-flow.h"
14839         (c_finish_bc_stmt): Don't add a goto if the current statement
14840         list doesn't fall through to the current point.
14842 2005-01-21  Roger Sayle  <roger@eyesopen.com>
14844         PR rtl-optimization/576
14845         * real.c (real_arithmetic): Change return type from void to bool
14846         to return an indication that the result may be inexact.
14847         * real.h (real_arithmeric): Update prototype.
14848         * fold-const.c (const_binop):  Don't constant fold floating
14849         point expressions when the user specifies -frounding-math and
14850         the result may depend upon the run-time rounding mode.
14851         (fold_convert_const_real_from_real): Clean-up.
14852         (fold_initializer): Ignore flag_rounding_math for initializers.
14853         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
14854         constant fold FP operations with flag_rounding_math if the
14855         result may depend upon the run-time rounding mode.
14857 2005-01-21  Tom Tromey  <tromey@redhat.com>
14859         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
14861 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
14863         * tree-cfg.c: Fix comment typos.
14865 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
14867         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
14868         around the call to rest_of_handle_branch_target_load_optimize.
14870 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
14872         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
14873         (sparc64-*-openbsd*): Likewise.
14874         (sparclite-*-elf*): Include tm-dwarf2.h.
14875         (sparc86x-*-elf*): Likewise.
14876         (sparc64-*-elf*): Likewise.
14877         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
14878         (DBX_DEBUGGING_INFO): Likewise.
14879         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
14880         (PREFERRED_DEBUGGING_TYPE): Likewise.
14881         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
14882         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
14883         (PREFERRED_DEBUGGING_TYPE): Likewise.
14884         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
14885         (PREFERRED_DEBUGGING_TYPE): Likewise.
14886         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
14888 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
14890         PR target/18701
14891         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
14893 2005-01-20  Paul Brook  <paul@codesourcery.com>
14895         * doc/rtl.texi: Document value extension requirements for CONST_INT.
14897 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
14899         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
14900         label is first in a sequence of labels.
14902         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
14904 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
14905             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
14907         * doc/sourcebuild.texi (Test Directives): New.
14909 2005-01-20  Roger Sayle  <roger@eyesopen.com>
14911         * real.c (real_floor): Don't leave the result uninitialized when
14912         mode is VOIDMode, but return the unrounded intermediate value.
14913         (real_ceil): Likewise.
14915 2005-01-20  Paul Brook  <paul@codesourcery.com>
14917         * config/arm/arm.md (insv): Use gen_int_mode.
14919 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
14921         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
14922         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14923         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14924         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14925         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14927 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
14929         Fix PR debug/19124
14930         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
14931         fbreg, so we have to assume we can't.
14932         (loc_descriptor_from_tree_1): Ditto.
14933         (containing_function_has_frame_base): New function.
14934         (add_location_or_const_value_attribute): Use it.
14935         Also try to generate a frame_base from a single element location
14936         list.
14938 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
14940         PR tree-optimization/15349
14941         * timevar.def (TV_TREE_MERGE_PHI): New.
14942         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
14943         PHI_WANTED.
14944         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
14945         calls to tree_forwarder_block_p.
14946         (remove_forwarder_block_with_phi, merge_phi_nodes,
14947         gate_merge_phi, pass_merge_phi): New.
14948         * tree-optimize.c (init_tree_optimization_passes): Add
14949         pass_merge_phi.
14950         * tree-pass.h: Add an extern for pass_merge_phi;
14952 2005-01-20  Richard Henderson  <rth@redhat.com>
14954         PR target/19418
14955         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
14956         (_mm_castps_pd, _mm_castps_si128): New.
14957         (_mm_castsi128_ps, _mm_castsi128_pd): New.
14959 2005-01-20  Richard Henderson  <rth@redhat.com>
14961         PR target/19530
14962         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
14963         __builtin_ia32_vec_init_v2si.
14964         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
14965         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
14966         (ix86_init_mmx_sse_builtins): Create it.
14967         (ix86_expand_builtin): Expand it.
14968         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
14969         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
14970         (vec_extractv2si_0, vec_extractv2si_1): New.
14972 2005-01-20  Richard Henderson  <rth@redhat.com>
14974         PR target/16533
14975         * config/i386/i386.c (ix86_expand_push): New.
14976         * config/i386/mmx.md (push<MMXMODE>1): New.
14977         * config/i386/sse.md (push<SSEMODE>1): New.
14978         * config/i386/i386-protos.h: Update.
14980 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
14982         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
14983         copyright.
14985 2005-01-20  Richard Henderson  <rth@redhat.com>
14987         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
14988         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
14990 2005-01-19  Richard Henderson  <rth@redhat.com>
14992         PR target/19350
14993         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
14994         to V4SFmode in SSE1 fallback load path.
14996 2005-01-19  Richard Henderson  <rth@redhat.com>
14998         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
14999         in QImode expansion to ix86_expand_vector_set.
15000         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
15002 2005-01-19  Richard Henderson  <rth@redhat.com>
15004         PR target/19511
15005         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
15006         subclass of the input class.
15007         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
15008         Always true for cross-SSE1 classes.  Rationalize conditionals.
15009         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
15010         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
15011         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
15012         (movdi_2): Add MMX/SSE zeros.
15013         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
15014         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
15015         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
15016         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
15017         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
15018         (zero_extendsidi2_rex64_1): Remove.
15019         (MOV0 peephole): Check GENERAL_REG_P.
15021 2005-01-19  Richard Henderson  <rth@redhat.com>
15023         PR target/19427
15024         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
15025         shufps elements.
15026         (ix86_expand_vector_extract): Likewise.
15028 2005-01-19  Richard Henderson  <rth@redhat.com>
15030         PR middle-end/19304
15031         * expr.c (emit_move_change_mode): New argument force; use
15032         simplify_gen_subreg if true.
15033         (emit_move_via_alt_mode): Merge into ...
15034         (emit_move_via_integer): ... here.
15035         (emit_move_ccmode): Use emit_move_change_mode directly.
15037 2005-01-19  Richard Henderson  <rth@redhat.com>
15039         PR target/19518
15040         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
15041         (alpha_preferred_reload_class): Handle CONST_VECTOR.
15042         (alpha_emit_set_const_1): Add no_output parameter; don't emit
15043         rtl if true.
15044         (alpha_emit_set_const): Likewise.  Make static.
15045         (alpha_emit_set_long_const): Make static.
15046         (alpha_extract_integer): Split out from alpha_expand_mov.
15047         (alpha_split_const_mov): Likewise.
15048         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
15049         (alpha_legitimate_constant_p): New.
15050         * config/alpha/alpha-protos.h: Update.
15051         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
15052         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
15053         * config/alpha/alpha.md (movsi): Add n alternative.
15054         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
15055         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
15056         (splitters for all of the above): Use alpha_split_const_mov.
15057         * config/alpha/predicates.md (non_add_const_operand): New.
15058         (non_zero_const_operand): New.
15059         (input_operand): Use alpha_legitimate_constant_p after reload.
15061 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
15063         PR tree-optimization/19038
15064         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
15065         (add_candidate): Add ivs with increment in latch only if
15066         allow_ip_end_pos_p is true.
15067         (determine_iv_cost): Use empty_block_p.
15069 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
15071         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
15072         (compute_dominance_frontiers): Ditto.
15074 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
15076         PR target/19529
15077         * config/sh/t-rtems: New.
15078         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
15080 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
15082         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
15083         the offset of the selected field.
15085 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
15087         * tree-cfg.c (remove_forwarder_block): Fix the check to
15088         prevent a nonlocal label from appearing in the middle of a
15089         basic block.
15091 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
15093         PR rtl-optimization/19462
15094         * reorg.c (find_end_label): Create return insn only if
15095         current_function_epilogue_delay_list is empty.
15097 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
15099         * doc/passes.texi: Remove paragraph mentioning new-ra.
15101 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
15103         PR rtl-optimization/15139
15104         * combine.c: Include params.h.
15105         (count_rtxs): New function.
15106         (record_value_for_reg): If replace_rtx would replace at least
15107         2 occurrences of REG in VALUE and TEM is really large, replace REG with
15108         (clobber (const_int 0)) instead of TEM.
15109         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
15110         * params.h (MAX_LAST_VALUE_RTL): New.
15111         * Makefile.in (combine.o): Depend on $(PARAMS_H).
15112         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
15114         PR c/17297
15115         * c-typeck.c (digest_init): Only call build_vector if all constructor
15116         elements are *_CST nodes.
15117         * gimplify.c (gimplify_init_constructor): Likewise.
15119         PR middle-end/19164
15120         * c-typeck.c (digest_init): Only call build_vector if inside_init
15121         is a CONSTRUCTOR.
15123 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
15125         * toplev.c (init_asm_output): Remove dead #ifdef.
15127 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
15129         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
15131 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
15133         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
15134         accessing DECL_FUNCTION_CODE.
15135         * dojump.c (do_jump): Likewise.
15136         * gimplify.c (gimplify_call_expr): Likewise.
15137         * predict.c (expr_expected_value): Likewise.
15138         (strip_builtin_expect): Likewise.
15139         * tree-inline.c (estimate_num_insns_1): Likewise.
15140         * tree-ssa-loop-im.c (stmt_cost): Likewise
15141         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
15142         (tree_expr_nonnegative_p): Likewise.
15144 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
15146         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
15147         variant of the load_pcrel_sym pattern.
15148         * config/sparc/sparc.md (P macro): Move to the top.
15149         (load_pcrel_sym): Macroize using P.
15150         (save_register_window): Likewise.
15152 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
15154         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
15155         ("sordered"): Same.
15157 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
15159         PR C/19472
15160         * c-typeck.c (build_asm_expr): Strip nops off
15161         input memory operands.
15163 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
15165         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
15166         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
15167         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
15168         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
15170 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
15172         PR target/19379
15173         * config/i386/i386.c (override_options): If the 80387 is disabled,
15174         then do not return FP values using FP registers.
15176 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
15178         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
15179         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
15180         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
15181         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
15182         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
15183         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
15184         output.h, postreload-gcse.c, postreload.c, recog.c,
15185         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
15186         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
15187         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
15188         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
15189         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
15190         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
15191         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
15192         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
15194         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
15195         config/alpha/alpha.c, config/arm/vfp.md,
15196         config/i386/emmintrin.h, config/i386/i386-modes.def,
15197         config/i386/i386-protos.h, config/i386/i386.h,
15198         config/i386/pmmintrin.h, config/i386/ppro.md,
15199         config/i386/predicates.md, config/i386/xmmintrin.h,
15200         config/i860/i860.c, config/ia64/ia64-modes.def,
15201         config/ia64/ia64-protos.h, config/ia64/ia64.h,
15202         config/ia64/ia64.md, config/ia64/itanium1.md,
15203         config/ia64/itanium2.md, config/ia64/predicates.md,
15204         config/iq2000/iq2000.h, config/mips/linux64.h,
15205         config/rs6000/aix41.h, config/rs6000/aix43.h,
15206         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
15207         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
15208         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
15209         config/sparc/linux64.h, config/sparc/litecoff.h,
15210         config/sparc/sp64-elf.h, config/sparc/sparc.c,
15211         config/sparc/sparc.h, config/sparc/sparc.md,
15212         config/sparc/sysv4-only.h: Update copyright.
15214 2005-01-18  Richard Henderson  <rth@redhat.com>
15216         PR target/19496
15217         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
15219 2005-01-18  Marc Espie  <espie@openbsd.org>
15220         * config/i386/openbsdelf.h: Typo.
15222 2005-01-18  Richard Henderson  <rth@redhat.com>
15224         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
15225         special case for sse.
15226         * config/i386/predicates.md (sse_comparison_operator): Likewise.
15228 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
15230         * tree-inline.c (estimate_num_insns_1): Added cases for
15231         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
15233 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
15235         PR rtl-optimization/19296
15236         * combine.c (simplify_comparison): Rewrite the condition under
15237         which a non-paradoxical SUBREG of a PLUS can be lifted when
15238         compared against a constant.
15240 2005-01-18  Andi Kleen <ak@muc.de>
15242         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
15243         * c.opt (-Wpointer-sign): Add.
15244         * doc/invoke.texi: (-Wpointer-sign): Add.
15246 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
15248         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
15249         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
15250         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
15251         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
15252         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
15253         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
15254         for TARGET_MIX_SSE_I387.
15255         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
15256         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
15257         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
15258         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
15259         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
15260         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
15261         TARGET_MIX_SSE_I387.
15262         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
15263         from expander.
15265 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
15267         PR target/19424
15268         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
15269         Add movaps alternative for xmm reg->reg move.
15271 2005-01-17  Jeff Law  <law@redhat.com>
15273         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
15274         at the end of the main DOM loop rather than just before DOM exits.
15276 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
15278         PR tree-optimization/19121
15279         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
15280         adding aliases to a name tag, also add them to the pointer's
15281         type tag.
15282         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
15283         sensitive alias info at all.  Only check that the two pointers
15284         have compatible pointed-to sets.
15285         * tree-ssa.c (verify_name_tags): Verify that the alias set of
15286         a pointer's type tag is a superset of the alias set of the
15287         pointer's name tag.
15289 2005-01-17  James E Wilson  <wilson@specifixinc.com>
15291         PR target/19357
15292         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
15293         comment to document why.
15295 2005-01-17  Richard Henderson  <rth@redhat.com>
15297         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
15298         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
15299         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
15300         sse2_vmsminv2df3_finite): New.
15301         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
15302         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
15303         Force op1 into register.
15305 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
15307         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
15308         bubblestrap from always rebuilding build directory.
15310 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
15312         * config/s390/s390.md ("*clc"): Remove incorrect '='.
15313         ("*cmpmem_short"): Likewise.
15315 2005-01-17  Steven Bosscher  <stevenb@suse.de>
15317         * basic-block.h: Document BB_* flags.
15318         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
15319         use an sbitmap instead.
15320         * sched-rgn.c (compute_trg_info): Likewise.
15322 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
15324         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
15325         redundant target_cpu_default and extra_parts lines.  Use the default
15326         "from-abi" ISA.
15327         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
15328         (SUBTARGET_EXTRA_SPECS): Delete.
15329         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
15330         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
15331         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
15332         and "n32" for -mabi=n32.
15334 2005-01-17  Ian Lance Taylor  <ian@airs.com>
15336         PR c/5675
15337         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
15338         fold constant variables into initial values.
15340 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
15342         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
15344         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
15345         through the statements backward.
15347 2005-01-17  Ian Lance Taylor  <ian@airs.com>
15349         PR middle-end/13127:
15350         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
15351         a variable set to the return value of the inlined function.
15353 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
15355         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
15356         when modes are tieable.
15358 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
15360         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
15361         of pthread_create to find out if threads are enabled.
15362         * gthr-posix95.h (__gthread_active_p): Likewise.
15364 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
15366         * common.opt (-fnew-ra): Remove.
15367         * ra*.*: Remove.
15368         * toplev.h (flag_new_regalloc): Remove.
15369         * Makefile.in (ra*.*): Don't mention.
15370         * passes.c (rest_of_handle_new_regalloc): Remove.
15371         (rest_of_handle_combine, rest_of_compilation): Always consider
15372         flag_new_regalloc as false.
15373         * doc/invoke.texi: Don't document -fnew-ra.
15375 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
15377         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
15378         last parameter to reg_scan.
15379         * loop.c (loop_optimize): Likewise.
15380         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
15381         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
15382         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
15383         rest_of_handle_gcse, rest_of_handle_loop_optimize,
15384         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
15385         * regclass.c (reg_scan): Likewise, for the declaration.
15386         * rtl.h (reg_scan): Likewise, for the prototype.
15388 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
15390         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
15391         mark_dfs_back_edges.
15393 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
15395         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
15396         (compute_avail): Uses don't go in tmp_gen.
15398 2005-01-16  Steven Bosscher  <stevenb@suse.de>
15400         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
15401         loop to look for a free slot in a page entry.
15403 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15405         PR target/16304
15406         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
15407         * toplev.c (compile_file): Call process_pending_assemble_output_defs
15408         just before targetm.asm_out.file_end.
15409         * tree.h (process_pending_assemble_output_defs): Declare.
15410         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
15411         New functions.
15412         (assemble_alias): Defer generation of assembly code for defines when
15413         TARGET_DEFERRED_OUTPUT_DEFS is true.
15414         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
15415         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
15416         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
15418 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15420         PR target/19336
15421         * pa.c (pa_scalar_mode_supported_p): New function.
15422         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15423         * pa.h (MIN_UNITS_PER_WORD): Add comment.
15425         * pa-protos.h (prefetch_operand): Delete.
15426         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
15427         * pa.c (prefetch_operand): Delete.
15428         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
15429         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
15430         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
15431         and prefetch_nocc_operand.
15432         * pa.md (prefetch): Rework to avoid reload problems handling short
15433         displacements when a cache control completer needs to be provided.
15434         (prefetch_32, prefetch_64): Delete.
15435         (prefetch_cc, prefetch_nocc): New patterns.
15437 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
15439         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
15441 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15443         PR ada/19388
15444         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
15445         exceeds maximum alignment for global common data.
15446         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
15447         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
15449 2004-01-15  Roger Sayle  <roger@eyesopen.com>
15451         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
15453 2004-01-15  Roger Sayle  <roger@eyesopen.com>
15455         * harg-reg-set.h (reg_class_names): Prototype global array.
15456         * regclass.c (reg_class_names): Declare here and initialize to
15457         REG_CLASS_NAMES.
15458         (dump_regclass): Remove local declaration of reg_class_names.
15459         (regclass): Likewise.
15460         * cfg.c (dump_flow_info): Likewise.
15461         * ra-debug.c (reg_class_names): Likewise.
15462         * regrename.c (reg_class_names): Likewise.
15463         * reload.c (reg_class_names): Likewise.
15464         * reload1.c (spill_failure): Likewise.
15465         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
15467 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
15469         * config/s390/s390.md ("reload_outti"): Remove predicate for
15470         output operand.  Abort if operand is not a MEM.
15471         ("reload_outdi", "reload_outdf"): Likewise.
15473 2005-01-15  Marc Espie  <espie@openbsd.org>
15475         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
15476         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
15477         * config/openbsd.h:  Fix C++ includes for native configurations.
15478         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
15479         Add trampoline support.
15480         * config/i386/openbsdelf.h: New.
15482 2005-01-15  Marc Espie  <espie@openbsd.org>
15484         * collect2.c (main): Explicitly parse -dynamic-linker option.
15486 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
15488         PR tree-optimization/19060
15489         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
15490         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
15491         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
15492         and handle extract_range_from_cond returning false.
15493         * fold-const.c (fold): Optimize comparisons with min/max even for
15494         width > HOST_BITS_PER_WIDE_INT.
15496 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
15498         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
15499         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
15500         Remove little endian multilib variants.
15501         Add mips32 multilib variant.
15503 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
15505         * explow.c (copy_all_reg, stabilize): Remove.
15506         * expr.h: Remove the corresponding prototypes.
15508         * rtlanal.c (regs_set_between_p): Remove.
15509         * rtl.h: Remove the corresponding prototype.
15511 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
15513         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
15514         to rs6000_nonimmediate_operand.
15515         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
15516         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
15517         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
15518         rs6000_nonimmediate_operand.
15519         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
15520         rs6000_nonimmediate_operand.
15522 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
15524         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
15526 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15528         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
15529         on e500v2.
15530         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
15531         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
15533         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
15534         (rs6k_nonimmediate_operand): New.
15535         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
15536         correctly.
15537         (legitimate_lo_sum_address_p): Same.
15538         (rs6000_legitimize_address): Same.
15539         (rs6000_legitimize_reload_address): Same.
15540         (rs6000_legitimate_address): Same.
15541         (spe_build_register_parallel): Pass DF and DC modes in a DI
15542         register.
15544         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
15545         to rs6k_nonimmediate_operand.
15547         * config/rs6000/spe.md ("*frob_df_di"): New.
15548         ("*frob_di_df"): New.
15549         ("*frob_di_df_2"): New.
15550         ("*mov_sidf_e500_subreg0"): New.
15551         ("*mov_sidf_e500_subreg4"): New.
15552         ("*movdf_e500_double"): Change predicate to
15553         rs6k_nonimmediate_operand.
15555 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15557         * postreload.c (move2add_note_store): Only call
15558         trunc_int_for_mode on scalar integers.
15560 2005-01-14  Steven Bosscher  <stevenb@suse.de>
15562         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
15563         replace BB_VISITED uses.
15564         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
15565         (propagate_necessity): Check the bitmap instead of BB_VISITED.
15566         (tree_dce_done): Free visited_control_parents.
15567         (perform_tree_ssa_dce): Allocate and clear it.
15568         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
15569         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
15570         instead of BB_VISITED.
15572 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
15574         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
15575         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
15576         Remove unused prototypes.
15578 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15580         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
15581         64-bit register usage.
15582         (spe_func_has_64bit_regs_p): Add FIXME note.
15584 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15586         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
15587         flag_finite_math_only with flag_unsafe_math_optimizations.
15589 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
15591         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
15592         end-of-stack check.
15593         (__tpf_eh_return): Copy TPF private stack area from the module
15594         boundary stack frame.  Add check for when module addresses are
15595         equal, but no stub address is found.
15597 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
15599         PR target/7525
15600         * arm.h (struct machine_function): Add call_via field.
15601         (thumb_call_via_label): Declare.
15602         * arm.c (thumb_call_via_label): New variable.
15603         (thumb_call_reg_needed): New variable.
15604         (arm_output_function_epilogue): For Thumb code, output any per-function
15605         call-indirect trampolines.
15606         (thumb_call_via_reg): New function.
15607         (arm_file_end): New function.
15608         (TARGET_ASM_FILE_END): Call arm_file_end.
15609         (aof_file_end): Likewise.
15610         * arm-protos.h (thumb_call_via_reg): Declare.
15611         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
15612         thumb_call_via_reg in normal case.
15614 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
15616         PR middle-end/19084
15617         PR rtl-optimization/19348
15618         * recog.c (peephole2_optimize): Do global life update if some peephole
15619         decides it doesn't need at least one of its inputs and that change
15620         influences liveness at the start of the basic block.
15622         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
15623         arguments instead of 1.
15625 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
15627         PR middle-end/18820
15628         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
15629         zero for nested functions needing a static chain or functions
15630         with a non-constant address.
15632 2005-01-13  Roger Sayle  <roger@eyesopen.com>
15634         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
15635         (and (sign_extend X) C) into (zero_extend (and X C)).
15637 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
15639         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
15641 2005-01-13  Richard Henderson  <rth@redhat.com>
15643         PR target/19009
15644         PR target/19250
15645         PR target/19252
15646         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
15647         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
15648         not just TARGET_SSE.
15649         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
15650         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
15651         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
15652         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
15653         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
15654         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
15655         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
15656         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
15657         (movdicc_c_rex64): Rename with '*'.
15658         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
15659         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
15660         (movsfcc_1_387): Rename from movsfcc_1.
15661         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
15662         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
15663         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
15664         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
15665         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
15666         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
15667         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
15668         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
15669         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
15670         sse_movdfcc_const0_4): Remove.
15671         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
15672         recognize min/max early.  Update for changed sse cmove patterns.
15673         (ix86_split_sse_movcc): New.
15674         * config/i386/i386-protos.h: Update.
15676 2005-01-13  Steven Bosscher  <stevenb@suse.de>
15678         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
15679         (fix_stmt_v_may_defs): Likewise.
15681 2005-01-13  Richard Henderson  <rth@redhat.com>
15683         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
15684         for converting the mask.
15686 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
15688         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
15689         definition to 600.
15691 2005-01-13  Richard Henderson  <rth@redhat.com>
15693         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
15694         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
15695         IX86_BUILTIN_MOVDQ2Q): Remove.
15696         (IX86_BUILTIN_VEC_EXT_V4SI): New.
15697         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
15698         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
15699         shuffling.
15700         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
15701         (sse2_pextrw): Fix immediate constraint.
15702         (sse2_loadq, sse2_loadq_rex64): Remove.
15703         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
15704         Use __builtin_ia32_vec_ext_<size>.
15705         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
15707 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
15709         * function.c (assign_parm_setup_block): Look inside original
15710         entry_parm when inspecting PARALLEL.
15712 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
15713             Joel Sherrill  <joel@oarcorp.com>
15715         PR target/19399
15716         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
15717         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
15718         rtems_gxx_recursive_mutex_init.
15719         (__gthread_recursive_mutex_lock): New function.
15720         (__gthread_recursive_mutex_trylock): Likewise.
15721         (__gthread_recursive_mutex_unlock): Likewise.
15723 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
15725         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
15727 2005-01-13  Jan Beulich  <jbeulich@novell.com>
15729         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
15730         (ashrti3_internal): Indicate output is early clobber. Generate result
15731         into output rather than first input. Use move for low word of output
15732         if shift count is exactly 64.
15733         (lshrti3_internal): Likewise.
15735 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
15737         PR target/18329
15738         PR target/18330
15739         * reload1.c (delete_output_reload): Don't delete an output reload
15740         if the pseudo lives longer than a single basic block.  Adjust and
15741         improve wording of comment.
15743 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
15745         PR target/19334
15746         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
15747         of TYPE_SIZE where we mean the number of bytes.
15749 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
15751         * function.c (assign_parm_setup_block): Relax condition on
15752         multi-register optimization.
15754 2005-01-12  Nick Clifton  <nickc@redhat.com>
15756         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
15757         an "in_delay_slot" attribute of "no" to prevent them being used in
15758         delay slots.  This is forbidden because they might generate
15759         exceptions.
15761 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
15763         PR target/19389
15764         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
15765         with r->Y and Y->r.
15767 2005-01-12  Nick Clifton  <nickc@redhat.com>
15769         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
15770         passed on to GAS) but do not define, as GAS no longer supports or
15771         needs the -m2000 option.
15773 2005-01-11  Roger Sayle  <roger@eyesopen.com>
15775         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
15776         type as args of unprototyped builtins aren't automatically promoted.
15777         (fold_builtin_abs): Likewise.
15779 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15781         * Makefile.in: Set a `build-warn' variable.
15783 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
15785         PR tree-optimization/17949
15786         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
15787         (find_interesting_uses_address): Use it.
15789 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
15791         * regrename.c (kill_value): Handle subreg's that won't simplify.
15793 2005-01-11  Richard Henderson  <rth@redhat.com>
15795         PR target/13366
15796         * config/i386/i386.h (enum ix86_builtins): Move ...
15797         * config/i386/i386.c: ... here.
15798         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
15799         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
15800         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
15801         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
15802         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
15803         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
15804         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
15805         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
15806         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
15807         IX86_BUILTIN_LOADDDUP): Remove.
15808         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
15809         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
15810         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
15811         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
15812         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
15813         (ix86_init_builtins): Make static.
15814         (ix86_init_mmx_sse_builtins): Update for changed builtins.
15815         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
15816         if all the modes match.  Otherwise, fake it.
15817         (get_element_number, ix86_expand_vec_init_builtin,
15818         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
15819         (ix86_expand_builtin): Make static.  Update for changed builtins.
15820         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
15821         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
15822         (ix86_expand_vector_init_duplicate): New.
15823         (ix86_expand_vector_init_low_nonzero): New.
15824         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
15825         Split out from ix86_expand_vector_init; handle integer modes.
15826         (ix86_expand_vector_init): Use them.
15827         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
15828         * config/i386/i386-protos.h: Update.
15829         * config/i386/predicates.md (reg_or_0_operand): New.
15830         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
15831         (movv2sf_internal): Likewise.  And a splitter to match them all.
15832         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
15833         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
15834         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
15835         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
15836         (mmx_pinsrw): Fix operand ordering.
15837         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
15838         rather than sse_loadss expander.
15839         (movv2df splitter): Similarly.
15840         (sse_loadss, sse_loadlss): Remove.
15841         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
15842         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
15843         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
15844         (sse3_movddup): Rename with '*'.
15845         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
15846         (sse2_loadsd): Remove.
15847         (vec_dupv2df_sse3): Rename from sse3_loadddup.
15848         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
15849         (sse2_pinsrw): Fix argument ordering.
15850         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
15851         (sse2_stored): Remove 'r' destination.
15852         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
15853         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
15854         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
15855         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
15856         vec_extractv16qi, vec_initv16qi): New.
15858         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
15859         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
15860         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
15861         constructor form.
15862         (_mm_load_pd, _mm_store_pd): Use plain dereference.
15863         (_mm_load_si128, _mm_store_si128): Likewise.
15864         (_mm_load1_pd): Use _mm_set1_pd.
15865         (_mm_load_sd): Use _mm_set_sd.
15866         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
15867         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
15868         (_mm_set_epi64): Use _mm_set_epi64x.
15869         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
15870         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
15871         _mm_setr_epi8): Use _mm_set_foo form.
15872         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
15873         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
15874         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
15875         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
15876         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
15877         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
15878         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
15879         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
15880         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
15881         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
15882         (_mm_movedup_pd): Use _mm_shuffle_pd.
15883         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
15884         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
15885         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
15886         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
15887         Use _mm_setzero_ps.
15888         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
15889         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
15890         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
15891         (_mm_store_ps): Use raw dereference.
15892         (_mm_store1_ps): Use _mm_storeu_ps.
15893         (_mm_storer_ps): Use _mm_store_ps.
15894         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
15895         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
15897 2005-01-11  Stan Shebs  <shebs@apple.com>
15899         * config/rs6000/rs6000.c (machopic_output_stub): Issue
15900         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
15902 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
15904         PR target/18761
15905         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
15906         Skip all DECLs except for FIELD_DECLs.
15908 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
15910         * config/s390/s390.c (override_options): Return error if
15911         -mbackchain, -mpacked-stack and -mhard-float are used together.
15912         (s390_va_start): Remove the backchain && packed-stack special case.
15913         (s390_gimplify_va_arg): Likewise.
15914         * doc/invoke.texi: Remove the ABI incompatibility note.
15916 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
15918         * config/s390/s390.c (struct s390_frame_layout): Remove
15919         save_backchain_p.
15920         (s390_frame_info, s390_emit_prologue): Replace occurrences of
15921         save_backchain_p with TARGET_BACKCHAIN.
15923 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
15925         PR target/18916
15926         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
15927         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
15928         * function.c (locate_and_pad_parm): Set new field.
15929         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
15930         Tweak where_pad test to include "none".  Always set mem align for
15931         stack_parm.
15932         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
15933         not sufficient for type.
15934         (assign_parm_setup_block): If stack_parm is zero on entry, always
15935         make a new stack local.  Block move old stack parm if necessary
15936         to new aligned stack local.
15937         (assign_parm_setup_stack): Use a block move to handle
15938         potentially misaligned entry_parm.
15939         (assign_parms_unsplit_complex): Specify required alignment when
15940         creating stack local.
15941         * calls.c (compute_argument_addresses): Override alignment of stack
15942         arg calculated from its type with the alignment given by
15943         FUNCTION_ARG_BOUNDARY.
15944         (store_one_arg): Likewise.
15946 2005-01-11  Jan Beulich  <jbeulich@novell.com>
15948         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
15949         Change respective itanium_class attribute to ialu.
15950         (shladdp4_internal): New.
15951         * config/ia64/predicates.md (shladd_log2_operand): New.
15953 2005-01-11  Richard Henderson  <rth@redhat.com>
15955         * expr.c (store_constructor): Use rtvec_alloc instead of
15956         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
15958 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
15960         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
15962 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
15964         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
15965         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
15966         (TARGET_RWRELOC): Define.
15967         (ia64_rwreloc_section_type_flags): Delete.
15968         (ia64_section_type_flags): New function.
15969         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
15970         (TARGET_RWRELOC): Define.
15972 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
15974         PR target/18987
15975         * config/ia64/ia64.c (process_set): For alloc insn, only call
15976         process_epilogue is !frame_pointer_needed.
15978 2005-01-10  Roger Sayle  <roger@eyesopen.com>
15980         PR c++/19355
15981         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
15982         unary operator and can't be treated as a binary/comparison operator.
15984 2005-01-10  Richard Henderson  <rth@redhat.com>
15986         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
15987         (ix86_return_in_memory): Likewise.
15988         (function_arg_advance):  Likewise.  Mirror structure in function_arg
15989         for choosing register to advance.
15991 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
15993         * tree-vectorizer.c, tree.def: Fix comment typos.
15995 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
15997         * config/s390/s390.c (struct processor_costs): 4 new fields:
15998         ddbr, ddr, debr, der.
15999         (s390_rtx_costs): More precise handling of divide instructions.
16001 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
16003         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
16005 2005-01-10  Jan Beulich  <jbeulich@novell.com>
16007         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
16008         names resulting from -ffunction-sections/-fdata-sections and linkonce
16009         ones.
16010         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
16011         based on the section name. Rearrange the section name comparison logic
16012         slightly so that each section name is compared against at most once.
16014 2005-01-10  Ben Elliston  <bje@au.ibm.com>
16016         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
16017         targets for which -fPIC reduces limitations on the GOT size.
16019 2005-01-09  Falk Hueffner  <falk@debian.org>
16021         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
16022         X/C1 cmpop C2.
16024 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
16026         PR target/18720
16027         * collect2.c (main): Set aixrtl_flag for -brtl option.
16028         (resolve_lib_name): Search for .so file extension before .a
16029         if aixrtl_flag set.
16031 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
16033         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
16034         (vect_analyze_data_refs_alignment): Add dump prints.
16036 2005-01-09  Ira Rosen  <irar@il.ibm.com>
16038         * tree-vectorizer.c (vect_analyze_offset_expr): Use
16039         expr_invariant_in_loop_p.
16040         Initialize outputs first thing in the function.
16041         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
16042         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
16043         (vect_analyze_pointer_ref_access): Check that the initial condition of
16044         the access function is loop invariant.
16046 2005-01-09  Richard Henderson  <rth@redhat.com>
16048         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
16049         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
16050         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
16051         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
16052         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
16053         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
16054         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
16055         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
16056         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
16057         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
16058         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
16059         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
16060         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
16061         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
16062         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
16063         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
16064         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
16065         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
16066         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
16067         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
16068         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
16069         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
16070         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
16071         mmx_ prefix.
16072         (mmx_clrdi, pavgusb): Remove.
16073         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
16074         with leading sse_ prefix.
16075         * config/i386/sse.md: Receive them.
16076         * config/i386/mmx.md: New file.
16077         (MMXMODE12, MMXMODE24, mmxvecsize): New.
16078         (subrv2sf3): Turn into expander for normal subtraction.
16079         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
16080         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
16081         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
16082         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
16083         commutative; use ix86_binary_operator_ok.
16084         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
16085         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
16086         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
16087         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
16088         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
16089         Macroize from existing patterns; use ix86_binary_operator_ok.
16090         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
16091         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
16092         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
16093         with vec_select+vec_concat.
16094         (mmx_pshufw, mmx_pshufw_1): Likewise.
16095         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
16096         (mmx_uavgv4hi3): Model correctly.
16097         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
16098         _mm_xor_si64): Remove casts.
16100 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
16102         PR tree-optimization/19224
16103         * tree-scalar-evolution.c (get_instantiated_value,
16104         set_instantiated_value): New functions.
16105         (instantiate_parameters_1): Cache the results.
16106         (instantiate_parameters, resolve_mixers): Initialize and free
16107         the cache.
16109 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
16111         * config/i386/i386.md (addhi_4): Correct reference in comment.
16112         (addqi_4): Same.
16114 2005-01-08  Richard Henderson  <rth@redhat.com>
16116         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
16117         (_mm_cvtsi128_si64x): Likewise.
16118         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
16119         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
16120         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
16121         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
16122         * config/i386/i386-protos.h: Update.
16123         * config/i386/i386.c (print_operand): Add 'H'.
16124         (ix86_fixup_binary_operands): Split out from ...
16125         (ix86_expand_binary_operator): ... here.
16126         (ix86_fixup_binary_operands_no_copy): New.
16127         (ix86_expand_fp_absneg_operator): Handle vector mode results.
16128         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
16129         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
16130         (safe_vector_operand): Use CONST0_RTX.
16131         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
16132         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
16133         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
16134         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
16135         special cases.
16136         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
16137         (IX86_BUILTIN_CMPNGESS): New.
16138         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
16139         (attr type): Add sselog1.
16140         (attr unit, attr memory): Handle it.
16141         (movti, movti_internal, movti_rex64): Move near other integer moves.
16142         (movtf, movtf_internal): Move near other fp moves.
16143         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
16144         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
16145         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
16146         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
16147         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
16148         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
16149         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
16150         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
16151         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
16152         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
16153         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
16154         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
16155         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
16156         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
16157         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
16158         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
16159         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
16160         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
16161         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
16162         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
16163         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
16164         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
16165         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
16166         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
16167         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
16168         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
16169         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
16170         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
16171         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
16172         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
16173         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
16174         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
16175         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
16176         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
16177         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
16178         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
16179         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
16180         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
16181         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
16182         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
16183         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
16184         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
16185         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
16186         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
16187         same time.
16188         (SSEPUSH, push<SSEPUSH>): Remove.
16189         (MMXPUSH, push<MMXPUSH>): Remove.
16190         (sse_movaps, sse_movaps_1, sse_movups): Remove.
16191         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
16192         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
16193         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
16194         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
16195         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
16196         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
16197         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
16198         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
16199         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
16200         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
16201         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
16202         (ppro_sse_log_V4SF): Handle sselog1.
16203         * config/i386/predicates.md (const_0_to_1_operand): New.
16204         (const_0_to_255_mul_8_operand): New.
16205         (const_1_to_31_operand): Rename from const_int_1_31_operand.
16206         (const_2_to_3_operand, const_4_to_7_operand): New.
16207         * config/i386/sse.md: New file.
16208         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
16209         (sse_movups): Rename from sse_movups_1.
16210         (sse_loadlss): Rename from sse_loadss_1.
16211         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
16212         from the name.
16213         (negv4sf2): Use ix86_expand_fp_absneg_operator.
16214         (absv4sf2, negv2df, absv2df): New.
16215         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
16216         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
16217         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
16218         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
16219         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
16220         (sse3_addsubv4sf3): Model correctly.
16221         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
16222         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
16223         (sse_movhlps): Model with vec_select+vec_concat.
16224         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
16225         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
16226         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
16227         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
16228         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
16229         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
16230         sse2_pshufhw_1): Likewise.
16231         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
16232         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
16233         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
16234         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
16235         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
16236         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
16237         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
16238         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
16239         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
16240         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
16241         sminv8hi3): Mark commutative
16242         operands.  Use ix86_binary_operator_ok.
16243         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
16244         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
16245         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
16246         sse2_punpcklqdq): Allow operand2 in memory.
16247         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
16248         sse2_movsd): Add memory alternatives.
16249         (sse_storelps): Turn expander into an insn; split after reload.
16250         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
16251         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
16253 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
16255         * configure.ac (DWARF-2 debug_line): Use objdump.
16256         * configure: Regenerate.
16258 2005-01-08  Jeff Law  <law@redhat.com>
16259             Diego Novillo  <dnovillo@redhat.com>
16261         PR tree-optimization/18241
16262         * tree-nrv.c (tree_nrv): Ignore volatile return values.
16263         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
16264         statements with volatile operands.
16265         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
16266         operands after marking a statement with has_volatile_ops.
16268 2005-01-08  Roger Sayle  <roger@eyesopen.com>
16270         * tree.c (int_fits_type_p): Always honor integer constant
16271         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
16273 2005-01-08  Roger Sayle  <roger@eyesopen.com>
16275         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
16276         the latent bug in rtl_delete_block has been resolved.
16278 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
16280         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
16281         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
16283 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
16285         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
16286         library as @multilib_dir@/$(SHLIB_SONAME).
16288 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
16290         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
16291         * configure: Regenerate.
16293 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
16295         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
16296         TYPE_MODE.
16298 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
16300         PR target/13674
16301         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
16302         Convert non-word aligned offset address using ld/std into
16303         indirect address.
16305 2005-01-07  Richard Henderson  <rth@redhat.com>
16307         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
16309 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
16311         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
16313 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
16315         PR tree-optimization/19283
16316         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
16317         is not shorter than the original type.
16319         PR rtl-optimization/19012
16320         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
16322         PR rtl-optimization/18861
16323         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
16324         (FULL_STATE): Define.
16325         (mark_tablejump_edge): New function.
16326         (purge_dead_tablejump_edges): New function.
16327         (find_bb_boundaries): Use it.
16329         PR tree-optimization/18828
16330         * builtins.c (expand_builtin_next_arg): Remove argument and all
16331         the argument checking.
16332         (expand_builtin): Adjust caller.
16333         (expand_builtin_va_start): Likewise.  Remove error for too many
16334         arguments.
16335         (fold_builtin_next_arg): Issue error for too many arguments.
16336         After checking arguments, replace them with magic arguments that
16337         prevent further checking of the args.
16339 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16341         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
16343 2005-01-06  Roger Sayle  <roger@eyesopen.com>
16345         PR target/6077
16346         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
16347         and %{.S:...} (and their negative variants) to test whether the
16348         input file is assembler or pre-processed-assembler independent of
16349         the actual filename extension.
16351 2005-01-06  Roger Sayle  <roger@eyesopen.com>
16353         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
16354         of sign or zero extended values.
16356 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
16358         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
16359         for IBM long double format correctly.
16361 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
16363         Fix PR tree-optimization/18792
16365         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
16366         to first_loop_depth, and use loop depth instead of loop number.
16367         (build_classic_dir_vector): Ditto.
16368         (compute_data_dependences_for_loop): Use depth, not loop number.
16369         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
16370         number. Pass in loops, instead of loop numbers.
16371         (gather_interchange_stats): Ditto.
16372         (linear_transform_loops): Ditto.
16374 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
16376         PR rtl-opt/13299
16377         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
16378         biv_fits_mode_p, extension_within_bounds_p): New functions.
16379         (check_ext_dependent_givs): Use them.
16381 2005-01-06  Roger Sayle  <roger@eyesopen.com>
16383         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
16384         more than one barrier, in which case we should delete them all.
16386 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
16388         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
16390 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
16392         Fix PR middle-end/19286
16393         Fix PR debug/19267
16394         * dwarf2out.c (gen_subprogram_die): If we've already tried to
16395         output this subprogram, simply ignore this attempt to do it again.
16396         (add_abstract_origin_attribute): Don't abort trying to add the abstract
16397         origin attribute if it's not possible.
16398         (gen_block_die): Don't ignore subblocks of "unused" blocks.
16399         (decls_for_scope): Ditto.
16400         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
16401         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
16403 2005-01-05  Richard Henderson  <rth@redhat.com>
16405         PR target/11327
16406         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
16407         (bdesc_2arg): Use it.
16408         (ix86_expand_binop_builtin): Force operands into registers
16409         when optimizing.
16410         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
16411         ix86_expand_sse_compare, ix86_expand_sse_comi,
16412         ix86_expand_builtin): Likewise.
16414 2005-01-05  Richard Henderson  <rth@redhat.com>
16416         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
16417         and VEC_SELECT.
16418         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
16419         (mulv4hi3): Set itanium_class mmmul.
16420         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
16421         (fpack): Rename from fpack_sfsf.
16423 2005-01-05  Richard Henderson  <rth@redhat.com>
16425         PR rtl-opt/10692
16426         * reload1.c (do_input_reload): Restrict the optimization deleteing
16427         a previous output reload to RELOAD_FOR_INPUT.
16429 2005-01-05  Steven Bosscher  <stevenb@suse.de>
16431         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
16432         comment that we fall through after case.
16433         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
16434         (distribute_links): Likewise.
16435         * cse.c (cse_insn): Likewise.
16436         * cselib.c (cselib_invalidate_mem): Likewise.
16437         * df.c: Update comments at the top of the file.
16438         (read_modify_subreg_p): Update comments here too.
16439         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
16440         * flow.c (mark_set_1): Likewise.
16441         (mark_used_regs): Likewise.
16442         * gcse.c (mems_conflict_for_gcse_p): Likewise.
16443         (canon_list_insert): Likewise.
16444         (mark_set): Likewise.
16445         (try_replace_reg): Likewise.
16446         (store_killed_in_insn): Likewise.
16447         * loop.c (count_one_set): Likewise.
16448         (basic_induction_var): Likewise.
16449         * postreload-gcse.c (find_mem_conflicts): Likewise.
16450         * postreload.c (reload_combine_note_store): Likewise.
16451         (move2add_note_store): Likewise.
16452         * reload.c (find_equiv_reg): Likewise.
16453         (mark_referenced_resources): Likewise.
16454         * rtlanal.c (set_noop_p): Likewise.
16455         (note_stores): Likewise.
16456         (note_uses): Likewise.
16457         * sched-deps.c (sched_analyze_1): Likewise.
16458         * sched-rgn.c (check_live_1): Likewise.
16459         (update_live_1): Likewise.
16460         * config/i860/i860.c: Likewise.
16462         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
16463         an lvalue.
16464         (ZERO_EXTRACT): Mention that this one can be an lvalue.
16466         * doc/rtl.texi: Update documentation for bit-fields and SET.
16468 2005-01-05  Roger Sayle  <roger@eyesopen.com>
16470         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
16472 2005-01-05  Jan Hubicka  <jh@suse.cz>
16473             Richard Henderson  <rth@redhat.com>
16475         PR target/18910
16476         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
16477         with an offset.
16479 2005-01-05  Richard Henderson  <rth@redhat.com>
16481         PR target/12902
16482         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
16483         (sse_shufps): Change operand 3 to const_int_operand.
16484         (sse2_storelps): Fix typo in template.
16485         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
16486         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
16487         (ix86_expand_builtin): Likewise.
16489 2005-01-05  Julian Brown  <julian@codesourcery.com>
16491         * config/arm/arm.c (arm_return_in_memory): Treat complex types
16492         as aggregates for AAPCS ABIs.
16494 2005-01-05  Stan Shebs  <shebs@apple.com>
16496         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
16497         Mach-O getters if ppc64.
16498         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
16499         size argument.
16500         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
16501         signed four-byte field for global code case.
16502         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
16504 2005-01-05  Roger Sayle  <roger@eyesopen.com>
16506         PR middle-end/19100
16507         * c-common.c: Include real.h.
16508         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
16509         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
16510         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
16511         * Makefile.in (c-common.o): Update dependencies.
16513 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
16515         * c-parse.in (asm_string): Add trailing semicolon.
16517 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
16519         * c-parse.in (asm_string): New.  Don't allow wide strings in
16520         'asm'.
16521         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
16522         asm_string instead of STRING.
16524 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
16526         * c-typeck.c (constructor_no_implicit): Remove.
16527         (set_designator, process_init_element): Don't check
16528         constructor_no_implicit.
16530 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
16531             Kaz Kojima  <kkojima@gcc.gnu.org>
16533         PR target/16482
16534         * lcm.c (create_pre_exit): New.
16535         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
16536         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
16538 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
16540         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
16541         -msoft-float in target_float_switch.
16542         * arm.c (arm_override_options): Fix processing of target_float_switch.
16544 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
16546         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
16547         preferencing.
16549 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
16551         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
16552         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
16554 2005-01-04  Roger Sayle  <roger@eyesopen.com>
16556         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
16557         if deleting the then-block allows the test-block to fallthru to the
16558         else-block.
16560 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
16562         PR c/19152
16563         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
16564         after the full declaration if the are in two different TUs.
16566 2005-01-04  Richard Henderson  <rth@redhat.com>
16568         PR tree-opt/19158
16569         * tree-sra.c (generate_one_element_init): Just
16570         call gimplify_and_add.
16571         (generate_element_init): Record the
16572         new referenced variables and mark them for renaming
16573         and split out to ...
16574         (generate_element_init_1): This.
16575         (scalarize_init): Don't call push_gimplify_context/
16576         pop_gimplify_context.
16578 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
16580         * toplev.c (get_src_pwd): Handle failure of getpwd().
16582 2005-01-04  Roger Sayle  <roger@eyesopen.com>
16584         * fold-const.c (fold_single_bit_test): Delete unreachable handling
16585         of TRUTH_NOT_EXPR.
16586         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
16587         all the cases handled by it are inverted by invert_truthvalue.
16589 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
16591         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
16592         (save_register_windowsi): Likewise.
16594 2005-01-04  Richard Henderson  <rth@redhat.com>
16596         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
16598 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
16600         PR middle-end/17767
16601         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
16602         any simplifications of vector mode comparison operators.
16603         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
16605 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
16606             Devang Patel  <dpatel@apple.com>
16608         PR tree-optimization/18308
16609         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
16610         the operands before creating a new expression.
16611         * dojump.c (do_jump): Make drop_through_label available
16612         for all cases.  Add expansion of COND_EXPR.
16614 2005-01-04  Ira Rosen  <irar@il.ibm.com>
16616         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
16617         INTEGER_CST instead of TREE_CONSTANT.
16618         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
16619         instead of TREE_CONSTANT.
16620         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
16621         instead of TREE_CONSTANT.
16623 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
16625         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
16627 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
16629         PR target/19240
16630         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
16631         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
16633 2005-01-03  Richard Henderson  <rth@redhat.com>
16635         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
16636         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
16637         fold_convert_const_real_from_real): Split out from ...
16638         (fold_convert_const): ... here.
16640 2005-01-03  Richard Henderson  <rth@redhat.com>
16642         PR target/19235
16643         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
16644         (mov<MMXMODEI>_internal): Likewise.
16645         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
16646         Add V2SF case; use it for SSE1; don't use TI.
16647         (movdf_integer): Likewise.
16648         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
16650 2005-01-03  Ira Rosen  <irar@il.ibm.com>
16652         * tree-vectorizer.c (vect_strip_conversions): New function.
16653         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
16654         check for binary class.
16656 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
16658         Fix PR debug/17924
16659         Fix PR debug/19191
16660         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
16661         is a decl.
16662         * gimple-low.c (mark_blocks_with_used_vars): New function.
16663         (mark_blocks_with_used_subblocks): Ditto.
16664         (mark_used_blocks): Ditto.
16665         (pass_mark_used_blocks): New pass.
16666         * tree-inline.c: Include debug.h.
16667         (expand_call_inline): Call outlining_inline_function here.
16668         * tree-optimize.c (init_tree_optimization_passes): Add
16669         pass_mark_used_blocks.
16670         * tree-pass.h (pass_mark_used_blocks): New.
16671         * Makefile.in (tree-inline.o): Add debug.h dependency.
16673 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
16675         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
16676         VAR_DECLs to have weak_import attribute.
16678         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
16679         'struct ucontext'.
16681 2004-01-03  Steven Bosscher  <stevenb@suse.de>
16683         * passes.c (rest_of_compilation): Don't run regmove if only
16684         flag_expensive_optimizations, require flag_regmove instead.
16686 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
16688         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
16689         register "sparc".
16690         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
16691         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
16692         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
16693         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
16695 2005-01-03  Richard Henderson  <rth@redhat.com>
16697         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
16698         (ia64_const_ok_for_letter_p): New.
16699         (ia64_const_double_ok_for_letter_p): New.
16700         (ia64_extra_constraint): New.
16701         (ia64_expand_vecint_compare): New.
16702         (ia64_expand_vcondu_v2si): New.
16703         (ia64_expand_vecint_cmov): New.
16704         (ia64_expand_vecint_minmax): New.
16705         (ia64_print_operand): Add 'v'.
16706         (ia64_preferred_reload_class): New.
16707         (ia64_vector_mode_supported_p): New.
16708         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
16709         (PREFERRED_RELOAD_CLASS): Move to function.
16710         (CONST_OK_FOR_LETTER_P): Move to function.
16711         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
16712         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
16713         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
16714         (EXTRA_CONSTRAINT): Move to function.
16715         * config/ia64/ia64.md: Include vect.md.
16716         (itanium_class): Add mmalua.
16717         (type): Handle it.
16718         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
16719         (1b_mmalua): New.
16720         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
16721         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
16722         CONST0_RTX.
16723         (const_int_2bit_operand): New.
16724         (fr_reg_or_0_operand): New.
16725         * config/ia64/ia64-modes.def: Add vector modes.
16726         * config/ia64/ia64-protos.h: Update.
16727         * config/ia64/vect.md: New file.
16729 2005-01-03  Richard Henderson  <rth@redhat.com>
16731         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
16733 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
16735         PR target/19236
16736         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
16737         to SFmode.
16738         (log1pdf2): Change mode of operands[0,1] to DFmode.
16740 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
16742         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
16743         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
16744         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
16745         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
16746         SPARC_RELAXED_ORDERING.
16748 2005-01-03  Richard Henderson  <rth@redhat.com>
16749             Uros Bizjak  <uros@kss-loka.si>
16751         PR target/14631
16752         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
16753         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
16754         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
16755         handling.
16756         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
16757         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
16758         const_pow2_1_to_128_operand): New predicates.
16760 2005-01-02  Greg McGary  <greg@mcgary.org>
16762         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
16763         anonymous decls.
16764         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
16765         object.  [ptr_type]: Remove unused variable.
16766         Remember nearest addressable array-element or record-component
16767         when checking bitfield components.  Tolerate empty BIND_EXPR.
16769 2005-01-01  Richard Henderson  <rth@redhat.com>
16771         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
16772         that don't narrow the value.  Fail for other conversions.
16774 2005-01-01  Richard Henderson  <rth@redhat.com>
16776         PR c/19031
16777         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
16778         * c-lang.c (finish_file): Don't do it here.
16779         * objc/objc-act.c (objc_finish_file): Likewise.
16781         * cgraph.c (decl_assembler_name_equal): New.
16782         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
16783         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
16784         * cgraph.h (struct cgraph_varpool_node): Add next.
16785         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
16786         * varasm.c (assemble_alias): Mark the target as needed.
16788 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
16790         PR middle-end/19221
16791         * function.c (get_arg_pointer_save_area): Use entry_of_function
16792         instead of get_insns.
16794 2005-01-01  Roger Sayle  <roger@eyesopen.com>
16795             Andrew Pinski  <pinskia@physics.uc.edu>
16796             James E. Wilson  <wilson@specifixinc.com>
16798         PR rtl-optimization/12092
16799         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
16800         is zero.
16802 2005-01-01  Roger Sayle  <roger@eyesopen.com>
16803             Olivier Hainque  <hainque@act-europe.fr>
16805         * tree.c (int_fits_type_p): A narrower type always fits in a
16806         wider one, except for negative values into unsigned types.
16808 2005-01-01  Roger Sayle  <roger@eyesopen.com>
16810         * tree.c (int_fits_type_p): Compare the result of force_fit_type
16811         with the original constant rather than require TREE_OVERFLOW.
16813 2005-01-01  Steven Bosscher  <stevenb@suse.de>
16815         PR middle-end/17544
16816         * c-decl.c (finish_function): If compiling C99, annotate the
16817         compiler generated return with the current file name and line 0.
16818         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
16819         the source line is greater than 0.
16820         (remove_bb): Likewise.