1 2005-03-01 Hans-Peter Nilsson <hp@axis.com>
3 * config/cris/cris.c (cris_eligible_for_epilogue_delay)
4 (cris_delay_slots_for_epilogue): Remove.
5 (save_last): Move into cris_target_asm_function_epilogue.
6 (cris_target_asm_function_epilogue): Remove tests for file being
8 * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
9 (cris_delay_slots_for_epilogue): Remove prototypes.
10 * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
11 (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
13 2005-03-01 David Edelsohn <edelsohn@gnu.org>
15 * config/rs6000/predicates.md (branch_comparison_operator): Change
16 to define_special_predicate.
17 (scc_comparison_operator): Same.
18 (branch_positive_comparison_operator): Same.
20 2005-03-01 Daniel Berlin <dberlin@dberlin.org>
22 * Makefile.in (tree-ssa-sink.o): New.
23 (OBJS-common): Add tree-ssa-sink.o.
24 * common.opt: Add -ftree-sink
25 * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
26 * timevar.def (TV_TREE_SINK): new timevar.
27 * tree-flow.h (is_hidden_global_store): Prototype.
28 * tree-optimize.c (init_tree_optimization_passes): Add
30 * tree-pass.h (pass_sink_code): New.
31 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
32 for non-obvious global store store to is_hidden_global_store, and
33 call that new function.
34 * tree-ssa-sink.c: New file.
35 * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
36 * doc/passes.texi: Document forward store motion.
37 * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
38 * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
39 * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
40 * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
42 2005-03-01 Per Bothner <per@bothner.com>
44 * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
45 and we have a non-zero column-number, add it to the message.
46 Also factor out the diagnostic_kind_text.
48 2005-03-01 Zdenek Dvorak <dvorakz@suse.cz>
50 * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
51 flow_loop_pre_header_scan, flow_loop_pre_header_find,
52 flow_loop_scan): Removed.
53 (flow_loop_dump): Do not dump removed fields.
54 (flow_loop_free): Do not free removed fields.
55 (flow_loops_find): Flags argument removed. Do not call flow_loop_scan.
56 (loop_exit_edge_p): New function.
57 * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
58 num_pre_header_edges, entry_edges, num_entries, exit_edges,
59 num_exits, exits_doms.
60 (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
61 LOOP_EDGES, LOOP_ALL): Removed.
62 (flow_loop_scan): Declaration removed.
63 (loop_exit_edge_p, mark_loop_exit_edges): Declare.
64 * cfgloopmanip.c (create_loop_notes): Do not pass flags to
66 * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
67 (if_convert): Call flow_loops_find and flow_loops_free
68 when calling mark_loop_exit_edges.
69 * cfgloopanal.c (mark_loop_exit_edges): Moved from
70 ifcvt.c. Removed the flow_loops_find, flow_loops_free and
71 free_dominance_info calls.
72 * loop-init.c (flow_loops_find): Ditto.
73 * passes.c (rest_of_handle_branch_prob): Ditto.
74 * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
75 * loop-unroll.c (analyze_insns_in_loop): Do not use
77 * predict.c (predict_loops): Do not call flow_loop_scan.
78 Use get_loop_exit_edges.
79 (tree_estimate_probability): Do not pass flags to flow_loops_find.
80 * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
81 Do not use EDGE_LOOP_EXIT.
82 (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
83 to bb_with_exit_edge_p.
84 (if_convertible_loop_p): Do not call flow_loop_scan. Use
85 loop->single_exit. Do not use EDGE_LOOP_EXIT. Pass loop
86 to bb_with_exit_edge_p.
87 (combine_blocks): Pass loop to bb_with_exit_edge_p. Do not use
89 * tree-loop-linear.c (linear_transform_loops): Do not call
90 flow_loop_scan. Use loop->single_exit.
91 * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
92 (vect_analyze_loop_form): Do not call flow_loop_scan.
93 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
95 (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
97 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
98 slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
99 slpeel_tree_duplicate_loop_to_edge_cfg,
100 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
101 Use loop_preheader_edge and loop->single_exit. Do not call
104 2005-03-01 Nick Clifton <nickc@redhat.com>
106 * config/arm/arm.c (thumb_find_work_register): Check all of the
107 argument registers to see if they are free, and a couple of
108 special cases where the last argument register but can be proved
109 to be available during the function's prologue.
110 (print_multi_reg, arm_compute_save_reg0_reg12_mask,
111 output_return_instruction, emit_multi_reg_push, thumb_pushpop,
112 thumb_unexpanded_epilogue): Use unsigned long as the type for the
114 (thumb_compute_save_reg_mask): Likewise. Also use
115 thumb_find_work_register() to ensure that there is agreement about
116 which work register is going to be used in the prologue.
117 (thumb_output_function_prologue): Use unsigned long as the type
118 for the register bit-mask. Also delay pushing the link register if
119 other high registers are going to be pushed.
120 (thumb_compute_save_reg_mask, emit_multi_reg_push,
121 print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
122 redundant prototypes.
124 2005-02-28 John David Anglin <dave.anglin#nrc-cnrc.gc.ca>
127 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
128 and after reload in REG+REG indexed addresses without REG_POINTER
129 set in the base and not set in the index.
131 2005-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
133 * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
135 (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
136 (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
137 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
138 (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
139 LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
141 * config.gcc (sh*-*-linux*): Use config/linux.h.
143 2005-02-28 Dale Johannesen <dalej@apple.com>
144 Stan Shebs <shebs@apple.com>
146 Rewrite of 64-bit Darwin structure-by-value pass/return.
147 * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
148 intoffset, use_stack, named.
149 * config/rs6000/rs6000.c (rs6000_darwin64_function_arg): Remove.
150 (rs6000_darwin64_record_arg_advance_flush): New.
151 (rs6000_darwin64_record_arg_advance_recurse): New.
152 (rs6000_darwin64_record_arg_flush): New.
153 (rs6000_darwin64_record_arg_recurse): New.
154 (rs6000_darwin64_record_arg): New.
155 (rs6000_return_in_memory): Remove AGGREGATE_TYPE_P check.
156 (function_arg_boundary): Handle 128-bit aligned structs.
157 (function_arg_advance): Rewrite darwin64 struct handling.
158 (function_arg): Call rs6000_darwin64_record_arg.
159 (function_arg_partial_nregs): Handle darwin64 structs.
160 (rs6000_darwin64_function_value): Remove.
161 (rs6000_function_value): Call rs6000_darwin64_record_arg.
163 2005-02-28 Roger Sayle <roger@eyesopen.com>
165 PR tree-optimization/20216
166 * tree-chrec.c (tree_fold_factorial): Delete.
167 (tree_fold_binomial): Change argument list to take a return type
168 and change the type of K to unsigned int. Rewrite to avoid explicit
169 evaluation of factorials, and (recursively) calling fold to perform
170 compile-time arithmetic. Return NULL on (internal) overflow.
171 (chrec_evaluate): Change type of K to an unsigned int. Avoid
172 calling tree_fold_binomial unnecessarily. Return chrec_dont_know
173 if any intermediate calculation overflows.
174 (chrec_apply): Update call to chrec_evaluate.
176 2005-02-28 James E Wilson <wilson@specifixinc.com>
178 * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
180 2005-02-28 Joseph S. Myers <joseph@codesourcery.com>
183 * c-parser.c (c_parser_compound_statement): Return error_mark_node
184 instead of NULL_TREE on error.
186 2005-02-28 David Edelsohn <edelsohn@gnu.org>
188 * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
189 (EASY_VECTOR_15_ADD_SELF): Remove.
190 (num_insns_constant_wide): Not static.
191 (validate_condition_mode): Not static.
192 (toc_relative_expr_p): Not static.
193 (legitimate_indirect_address_p): Not static.
194 (macho_lo_sum_memory_operand): Not static.
195 (invalid_e500_subreg): Not static.
196 (easy_vector_same): Not static.
197 (easy_vector_splat_const): Not static.
198 (RS6000_SYMBOL_REF_TLS_P): Remove.
199 (any_operand): Delete.
200 (any_parallel_operand): Delete.
201 (count_register_operand): Delete.
202 (altivec_register_operand): Delete.
203 (xer_operand): Delete.
204 (s8bit_cint_operand): Delete.
205 (short_cint_operand): Delete.
206 (u_short_cint_operand): Delete.
207 (non_short_cint_operand): Delete.
208 (exact_log2_cint_operand): Delete.
209 (gpc_reg_operand): Delete.
210 (cc_reg_operand): Delete.
211 (cc_reg_not_cr0_operand): Delete.
212 (reg_or_short_operand): Delete.
213 (reg_or_neg_short_operand): Delete.
214 (reg_or_aligned_short_operand): Delete.
215 (reg_or_u_short_operand): Delete.
216 (reg_or_cint_operand): Delete.
217 (reg_or_arith_cint_operand): Delete.
218 (reg_or_add_cint64_operand): Delete.
219 (reg_or_sub_cint64_operand): Delete.
220 (reg_or_logical_cint_operand): Delete.
221 (got_operand): Delete.
222 (got_no_const_operand): Delete.
223 (easy_fp_constant): Delete.
224 (easy_vector_constant): Delete.
225 (easy_vector_constant_add_self): Delete.
226 (zero_constant): Delete.
227 (zero_fp_constant): Delete.
228 (volatile_mem_operand): Delete.
229 (offsettable_mem_operand): Delete.
230 (mem_or_easy_const_operand): Delete.
231 (add_operand): Delete.
232 (non_add_cint_operand): Delete.
233 (logical_operand): Delete.
234 (non_logical_cint_operand): Delete.
235 (mask_operand): Delete.
236 (mask_operand_wrap): Delete.
237 (mask64_operand): Delete.
238 (mask64_2_operand): Delete.
239 (and64_operand): Delete.
240 (and64_2_operand): Delete.
241 (and_operand): Delete.
242 (reg_or_mem_operand): Delete.
243 (lwa_operand): Delete.
244 (symbol_ref_operand): Delete.
245 (call_operand): Delete.
246 (current_file_function_operand): Delete.
247 (input_operand): Delete.
248 (rs6000_nonimmediate_operand): Delete.
249 (rs6000_tls_symbol_ref): Delete.
250 (save_world_operation): Delete.
251 (restore_world_operation): Delete.
252 (load_multiple_operation): Delete.
253 (store_multiple_operation): Delete.
254 (vrsave_operation): Delete.
255 (mfcr_operation): Delete.
256 (mtcrf_operation): Delete.
257 (lmw_operation): Delete.
258 (stmw_operation): Delete.
259 (branch_comparison_operator): Delete.
260 (branch_positive_comparison_operator): Delete.
261 (scc_comparison_operator): Delete.
262 (trap_comparison_operator): Delete.
263 (boolean_operator): Delete.
264 (boolean_or_operator): Delete.
265 (min_max_operator): Delete.
266 * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
267 (EASY_VECTOR_15): Moved to here.
268 (EASY_VECTOR_15_ADD_SELF): Move to here.
269 (PREDICATE_CODES): Delete.
270 * config/rs6000/rs6000-protos.h: Delete predicate functions.
271 Declare functions no longer static.
272 * config/rs6000/predicates.md: New.
273 * config/rs6000/rs6000.md: Include predicates.md
275 2005-02-28 Kazu Hirata <kazu@cs.umass.edu>
277 * calls.c (emit_call_1): Don't use REG_ALWAYS_RETURN.
278 (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
280 * cfgrtl.c (need_fake_edge_p): Likewise.
281 * combine.c (distribute_notes): Likewise.
282 * emit-rtl.c (try_split): Likewise.
283 * recog.c (peephole2_opimize): Likewise.
284 * reg-notes.def (ALWAYS_RETURN): Remove.
285 * rtl.h (LCT_ALWAYS_RETURN): Remove.
286 * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
287 * tree.h (ECF_ALWAYS_RETURN): Remove.
289 2005-02-28 Roger Sayle <roger@eyesopen.com>
292 * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
293 between different machine modes is never a "useless" conversion.
295 2005-02-28 Geert Bosch <bosch@gnat.com>
298 * doc/contrib.texi: List contributors for Ada front end
300 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
302 * simplify-rtx.c (simplify_unary_operation_1,
303 simplify_const_unary_operation): New, extracted from...
304 (simplify_unary_operation): ... this one.
305 (simplify_binary_operation_1,
306 simplify_const_binary_operation): New, extracted from...
307 (simplify_binary_operation): ... this one.
308 * rtl.h (simplify_const_unary_operation,
309 simplify_const_binary_operation): Add prototypes.
311 2005-02-28 Julian Brown <julian@codesourcery.com>
313 * config/elfos.h: Revert my patch from 2005-02-25 since it broke
314 building libjava and caused PR regression/20228.
316 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
319 * Makefile.in (host_subdir): New.
320 (build_objdir): New. Replace ../$(build_subdir) with it throughout.
321 * configure: Regenerate.
323 2005-02-27 Zack Weinberg <zack@codesourcery.com>
325 * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
326 * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
327 installation directory first.
329 2005-02-28 Hans-Peter Nilsson <hp@axis.com>
332 * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
333 not including (reg). Do not check for reg being CRIS_PC_REGNUM.
334 (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
335 * config/cris/cris.md: Tweak comments referring to Q.
336 ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
337 ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
338 ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
339 ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
340 ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
341 Insert spaces in constraints to align alternatives vertically for
343 ("cmphi"): Ditto. Add separate alternative for operand 0 "r",
346 2005-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
348 PR rtl-optimization/17728
349 * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
350 operand 0 from general_operand to move_dest_operand.
352 2005-02-26 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
354 * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
355 instead of trying to save and restore TREE_SYMBOL_REFERENCED.
356 * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
357 (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
359 2005-02-26 Nathanael Nerode <neroden@gcc.gnu.org>
361 * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
362 * configure: Regenerate.
363 * libada-mk.in: Remove CC; rename
364 cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
366 2005-02-26 Andrew Pinski <pinskia@physics.uc.edu>
369 * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
370 for the lhs, also walk over the tree. Likewise for rhs.
372 2005-02-26 Zdenek Dvorak <dvorakz@suse.cz>
374 * tree-ssa-dom.c (simple_iv_increment_p): New function.
375 (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
376 Do not propagate value of iv before increment over the increment.
378 2005-02-25 Joseph S. Myers <joseph@codesourcery.com>
380 * c-parser.c: New file.
381 * c-parse.in: Remove.
382 * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
384 (c-parser.o): Add dependencies.
385 (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
386 maintainer-clean, TAGS): Update.
387 * c-config-lang.in (gtfiles): Update.
388 * gengtype-lex.l: Don't handle "@@".
389 * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
390 objc_build_synchronized, objc_begin_try_stmt,
391 objc_begin_catch_clause, objc_finish_catch_clause,
392 objc_build_finally_clause, objc_finish_try_stmt): New.
393 * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
395 (c_parse_init): Update comment.
396 * c-decl.c (c_init_decl_processing): Update comment.
397 (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
398 declspecs_add_scspec, declspecs_add_attrs): Initialize and update
399 new c_declspecs members.
401 2005-02-25 Julian Brown <julian@codesourcery.com>
403 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
404 from being used for symbols with vague linkage when
405 HAVE_GAS_COMDAT_GROUP is true.
407 2005-02-25 Mark Mitchell <mark@codesourcery.com>
409 * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
411 2005-02-25 Steve Ellcey <sje@cup.hp.com>
414 * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
415 (LIBGCC2_HAS_DF_MODE): New.
416 (LIBGCC2_HAS_XF_MODE): New.
417 (LIBGCC2_HAS_TF_MODE): New.
418 * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
419 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
420 * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
421 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
422 (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
423 * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
424 and add _fixtfdi, _fixunstfdi, _floatditf
425 * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
426 L_fixunstfdi, L_floatditf.
427 * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
428 (LIBGCC2_HAS_TF_MODE): Define.
430 2005-02-25 Diego Novillo <dnovillo@redhat.com>
432 PR tree-optimization/20204
433 * tree-into-ssa.c (insert_phi_nodes_for): Do not use
434 REWRITE_THIS_STMT markers on PHI nodes.
435 (rewrite_initialize_block): Likewise.
437 2005-02-25 Mark Mitchell <mark@codesourcery.com>
439 * version.c (version_string): Update to 4.1.
441 2005-02-25 Paolo Carlini <pcarlini@suse.de>
443 * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
444 Clarify that the alternative way doesn't work in GNU C++.
446 2005-02-25 Zdenek Dvorak <dvorakz@suse.cz>
448 PR tree-optimization/19937
449 * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
450 to the type of the induction variable.
452 2005-02-25 Kaz Kojima <kkojima@gcc.gnu.org>
454 PR rtl-optimization/20117
455 * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
456 the block including noncopyable insn.
458 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
460 * cse.c (delete_trivially_dead_insns): Speed up by minimizing
461 calls to find_reg_note.
463 2005-02-24 Richard Henderson <rth@redhat.com>
466 * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
469 2005-02-24 Fariborz Jahanian <fjahanian@apple.com>
471 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
472 vector types if to use base reg for misaligned non-word ld/std.
474 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
477 * config/cris/cris.c (cris_target_asm_function_prologue): Create
478 dwarf2 label manually and put it after, not before the prologue.
480 2005-02-24 David Edelsohn <edelsohn@gnu.org>
483 * reload.c (operands_match_p): Only increment register number for
484 SCALAR_INT_MODE_P modes in multiple hard registers.
486 * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
489 2005-02-24 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
491 * ChangeLog.5: Fix log message typo(s).
492 * ChangeLog.7: Likewise.
493 * ChangeLog.tree-ssa: Likewise.
494 * cfgexpand.c: Fix comment typo(s).
495 * conflict.c: Likewise.
496 * defaults.h: Likewise.
497 * dwarf2out.c: Likewise.
499 * ggc-page.c: Likewise.
500 * tree-eh.c: Likewise.
501 * tree-ssa-dom.c: Likewise.
503 2005-02-24 Jakub Jelinek <jakub@redhat.com>
506 * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
507 * config/rs6000/darwin-ldouble.c: Only use the .symver directives
508 if SHARED is defined.
511 * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
512 allow splitting only if operands 0 and 3 don't overlap.
514 2005-02-24 Richard Henderson <rth@redhat.com>
517 * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
518 (fold_builtin_1): Call them.
519 * fold-const.c (fold_complex_mult_parts): Split out from ...
520 (fold_complex_mult): ... here. Fix typo in both imaginary case.
521 (fold_complex_div_parts, fold_complex_div): New.
523 * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
525 2005-02-24 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
527 * tree-ssa-ccp.c (visit_assignment): Verify that result of
528 VIEW_CONVERT_EXPR is_gimple_min_invariant.
530 * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
531 (print_node): Likewise.
532 Print TYPE_SIZES_GIMPLIFIED.
534 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
536 * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
537 ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
538 operands as commutative in constraints.
540 2005-02-24 Diego Novillo <dnovillo@redhat.com>
542 * tree-into-ssa.c: Re-organize internal functions.
544 2005-02-24 Richard Henderson <rth@redhat.com>
547 * c-opts.c (c_common_post_options): Set flag_complex_method to 2
549 * common.opt (fcx-limited-range): New.
550 * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
551 * toplev.c (flag_complex_method): Initialize to 1.
552 (process_options): Set flag_complex_method to 0 if
553 flag_cx_limited_range.
554 * doc/invoke.texi (-fcx-limited-range): New.
556 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
558 * cse.c (delete_trivially_dead_insns): Speed up by using
559 NEXT_INSN and PREV_INSN directly instead of next_real_insn and
562 2005-02-24 Andrea Tarani <andrea.tarani@gilbarco.com>
564 * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
565 functions when -mid-shared-library is being used.
567 2005-02-23 Daniel Jacobowitz <dan@codesourcery.com>
569 * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
570 (LINK_LIBGCC_SPECIAL_1): Don't mention it.
571 * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
572 * system.h: Poison LINK_LIBGCC_SPECIAL.
574 2005-02-23 James E Wilson <wilson@specifixinc.com>
576 * gengtype.c (note_insn_name): Make 1 element larger.
578 2005-02-23 Roger Sayle <roger@eyesopen.com>
581 PR rtl-optimization/20097
582 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
583 BImode SUBREGs of SImode registers which confuse the ia64 backend.
585 2005-02-23 David Edelsohn <edelsohn@gnu.org>
587 * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
588 * t-aix52 (SHLIB_INSTALL): Same.
590 2005-02-23 Kazu Hirata <kazu@cs.umass.edu>
592 * genpreds.c: Update copyright.
594 2005-02-23 Michael Beach <michaelb@ieee.org>
597 * config/sparc/t-elf (startup files): Assemble with CPP.
599 2005-02-23 Paolo Bonzini <bonzini@gnu.org>
601 * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
602 (write_predicate_expr): Likewise.
604 2005-02-22 Diego Novillo <dnovillo@redhat.com>
606 PR tree-optimization/20100
607 PR tree-optimization/20115
608 * tree-optimize.c (init_tree_optimization_passes): Remove
609 pass_maybe_create_global_var.
610 * tree-pass.h (pass_maybe_create_global_var): Remove.
611 * tree-ssa-alias.c (aliases_computed_p): Declare.
612 (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
613 (count_calls_and_maybe_create_global_var): Remove.
614 (pass_maybe_create_global_var): Remove.
615 (init_alias_info): Do not declare aliases_computed_p.
616 (maybe_create_global_var): If the function contains no
617 call-clobbered variables and a mix of pure/const and regular
618 function calls, create .GLOBAL_VAR.
619 Mark all call-clobbered variables for renaming.
620 (merge_pointed_to_info): Update comment.
621 (add_pointed_to_var): Likewise.
622 (is_escape_site): Likewise.
623 Accept struct alias_info * instead of size_t *.
625 Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
627 * tree-ssa-operands.c (get_call_expr_operands): If
628 ALIASES_COMPUTED_P is false, do not add call-clobbering
630 * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
631 (delete_tree_ssa): Likewise.
633 2005-02-22 James E Wilson <wilson@specifixinc.com>
635 * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
636 (do_compile): Do call it here.
638 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
640 PR rtl-optimization/20017.
641 * passes.c (rest_of_handle_combine, rest_of_handle_cse,
642 rest_of_handle_cse2, rest_of_handle_gcse): Call
643 delete_dead_jumptables immediately before calling cleanup_cfg.
645 2005-02-22 Devang Patel <dpatel@apple.com>
648 * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
651 2005-02-22 David Edelsohn <edelsohn@gnu.org>
653 * config/rs6000/aix.h (WINT_TYPE): Define.
655 2005-02-22 Stan Shebs <shebs@apple.com>
657 * config/rs6000/rs6000.c (rs6000_override_options): Default to
658 natural alignment for 64-bit Darwin.
659 (rs6000_parse_alignment_option): Warn about uses of -malign-power
661 * doc/invoke.texi: Document this.
663 2005-02-22 DJ Delorie <dj@redhat.com>
665 * c-common.c (c_common_type_for_mode): Pass the mode's precision
666 to make_[un]signed_type, not the mode itself.
668 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
670 * cfg.c (cached_make_edge): Call make_edge if edge cache is
671 not available. Use tail calls wherever possible.
672 (make_edge): Call unchecked_make_edge to create an edge.
674 * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
675 (coalesce_ssa_name): Don't check for
676 SSANORM_USE_COALESCE_LIST.
677 (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
679 2005-02-22 Diego Novillo <dnovillo@redhat.com>
681 * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
682 (rewrite_into_ssa): ... here.
684 2005-02-21 Alexandre Oliva <aoliva@redhat.com>
686 PR tree-optimization/19786
687 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
688 tag to another's may-alias bitmap when adding to the other's list.
690 2005-02-21 DJ Delorie <dj@redhat.com>
692 * tree-ssa-loop-ivopts.c (computation_cost): Start register
693 numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
694 registers in unsupported ways.
695 * expmed.c (init_expmed): Likewise.
697 2005-02-21 Stan Cox <scox@redhat.com>
699 * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
701 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
703 * tree-cfg.c (fold_cond_expr_cond): New.
704 (make_edges): Call fold_cond_expr_cond.
705 (find_taken_edge): Accept nothing but INTEGER_CST.
706 (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
708 (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
710 * flow.c (delete_dead_jumptables): Speed up by scanning insns
711 that do not belong to any basic block.
713 2005-02-21 Jeff Law <law@redhat.com>
715 * cfganal.c (find_unreachable_blocks): Manually CSE load of
718 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
720 * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
721 (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
722 Adjust their definitions.
723 (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
724 (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
726 * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
727 genautomata.c, langhooks.c, langhooks.h, system.h,
728 config/arm/lib1funcs.asm: Update copyright.
730 2005-02-21 Ulrich Weigand <uweigand@de.ibm.com>
732 * dbxout.c (dbxout_function_end): Emit Lscope label always.
734 2005-02-21 Richard Guenther <rguenth@gcc.gnu.org>
737 * doc/install.texi: Document --with-gc.
739 2005-02-21 Paolo Bonzini <bonzini@gnu.org>
741 * simplify-rtx.c (simplify_unary_operation): Add a missing
744 2005-02-21 Eric Botcazou <ebotcazou@libertysurf.fr>
746 PR tree-optimization/18663
747 * tree-ssa-dom.c (extract_range_from_cond): Return 0
748 if the type has variable bounds.
750 2005-02-20 Kazu Hirata <kazu@cs.umass.edu>
752 * gcse.c: Remove an obsolete comment.
754 * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
756 2005-02-20 Hans-Peter Nilsson <hp@axis.com>
758 * doc/extend.texi (Function Attributes) <Attribute const>: The
759 attribute "pure" is below this text, not above.
761 2005-02-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
763 * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
764 (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
765 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
767 2005-02-20 Zack Weinberg <zack@codesourcery.com>
770 * langhooks.h (struct lang_hooks): Add to_target_charset.
771 * langhooks.c (lhd_to_target_charset): New function.
772 * langhooks-def.h: Declare lhd_to_target_charset.
773 (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
774 (LANG_HOOKS_INITIALIZER): Update.
775 * c-common.c (c_common_to_target_charset): New function.
776 * c-common.h: Declare it.
777 * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
778 c_common_to_target_charset.
780 * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
781 (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
783 * system.h: Poison them.
784 * doc/tm.texi: Don't discuss them.
785 * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
786 * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
787 (pp_c_char): Do not attempt to generate letter escapes for
789 * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
790 * config/mips/mips.c (mips_output_ascii): Likewise.
792 2005-02-20 Dorit Naishlos <dorit@il.ibm.com>
794 PR tree-optimization/19951
795 * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
798 2005-02-19 Steven Bosscher <stevenb@suse.de>
801 * function.h (struct function): New field `max_loop_depth'.
802 * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
803 (flow_loops_find): Reset the max loop depth count before finding loops.
804 * flow.c (MAX_LIVENESS_ROUNDS): New constant.
805 (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
806 (calculate_global_regs_live): Make sure the loop will terminate
807 when the initial sets are not empty.
809 2005-02-19 Zack Weinberg <zack@codesourcery.com>
811 * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
813 * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
815 2005-02-19 Richard Sandiford <rsandifo@redhat.com>
818 * doc/invoke.texi: Remove documentation of %M spec.
820 (init_spec): Remove %M suffix from -lgcc_s.
821 (do_spec_1): Remove 'M' case.
822 * mklibgcc.in: Remove SHLIB_MULTILIB handling. Expect SHLIB_LINK
823 to put shared libraries in the multilib directory. Remove the
824 shlib_so_soname substitution variable. Don't add a multilib encoding
825 to shlib_base_name. Set shlib_slibdir_qual to the full pathname
826 reported by -print-multi-os-directory. Pass @multilib_dir@ to
827 SHLIB_INSTALL as well as SHLIB_LINK.
828 * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
829 (SHLIB_NAME): Delete.
830 (SHLIB_DIR): New macro.
831 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
832 (SHLIB_INSTALL): Adjust accordingly.
833 * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
834 * config/t-slibgcc-sld: Likewise.
835 * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
836 (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
837 (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
839 (SHLIBUNWIND_INSTALL): Adjust accordingly.
840 * config/i386/t-nwld (SHLIB_SONAME): Delete.
841 (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
842 Use @shlib_base_name@ instead of @shlib_so_name@.
843 * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
844 and @shlib_base_name@.so in @multilib_dir@.
845 (SHLIB_INSTALL): Adjust accordingly. Add @shlib_slibdir_qual@
847 * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
848 (SHLIB_LINK): Remove previous workaround.
849 * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
850 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
851 (SHLIB_INSTALL): Adjust accordingly. Add $(SHLIB_SLIBDIR_QUAL) to
853 * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
854 @multilib_dir@. Use @multilib_dir@ to check for threading libraries.
855 (SHLIB_INSTALL): Adjust accordingly.
856 (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
857 * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
858 * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
859 config/t-slibgcc-elf-ver.
861 2005-02-19 Zdenek Dvorak <dvorakz@suse.cz>
862 Jakub Jelinek <jakub@redhat.com>
864 PR tree-optimization/19828
865 * tree-ssa-loop-im.c: Add a TODO comment.
866 (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
867 without side-effects.
869 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
871 * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
874 2005-02-18 James E. Wilson <wilson@specifixinc.com>
876 * doc/invoke.texi (IA-64 Options): Delete -mb-step.
877 * config/ia64/ia64.c (last_group, group_idx): Delete variables.
878 (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
880 (ia64_reorg): Delete fixup_errata call.
881 * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
882 (TARGET_SWITCHES): Delete -mb-step entry.
884 2005-02-19 Jakub Jelinek <jakub@redhat.com>
887 * c-typeck.c (composite_type): Handle quals in transparent unions.
888 (type_lists_compatible_p): Likewise.
890 2005-02-18 Stan Shebs <shebs@apple.com>
892 * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
893 expressions in the .literal8 section.
895 2005-02-18 Geoffrey Keating <geoffk@apple.com>
897 * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
899 2005-02-18 Roger Sayle <roger@eyesopen.com>
901 * fold-const.c (constant_boolean_node): Always create values of the
902 specified type, don't bother calling truthvalue_conversion.
904 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
906 * except.c (output_function_exception_table): Call
907 assemble_external_libcall (eh_personality_libfunc).
909 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
912 * config/ia64/ia64.h (struct machine_function): Add state_num.
913 * config/ia64/ia64.c (process_epilogue,
914 process_for_unwind_directive): Use new unwind state numbers each
915 time rather than state 1.
917 2005-02-18 Ulrich Weigand <uweigand@de.ibm.com>
920 * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
921 before the "*llgt_didi" pattern.
923 2005-02-18 Jason Merrill <jason@redhat.com>
925 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
927 2005-02-18 Richard Earnshaw <rearnsha@arm.com>
929 * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
930 (div0): Use it in place of ARM_FUNC_ALIAS.
931 (lshrdi3, ashrdi3, ashlrdi3): Likewise.
933 2005-02-18 Andrew Pinski <pinskia@physics.uc.edu>
936 * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
937 access, the lower bound of the array type if it exists.
939 2005-02-18 Alexandre Oliva <aoliva@redhat.com>
942 * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
943 cases that are out-of-range for the index type.
945 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
947 * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
948 (estimate_case_costs): Don't call convert.
949 * expmed.c (expand_shift): Likewise.
950 (make_tree): Call fold_convert instead of convert.
952 2005-02-18 Jakub Jelinek <jakub@redhat.com>
955 * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
956 that ref to be marked MEM_READONLY_P doesn't have base that needs
959 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
961 * genautomata.c (output_get_cpu_unit_code_func,
962 output_cpu_unit_reservation_p): Don't generate old-style function
965 2005-02-18 Jakub Jelinek <jakub@redhat.com>
968 PR tree-optimization/20009
969 * convert.c (convert_to_integer): Revert 2005-02-16 change.
971 PR tree-optimization/18947
972 * cgraphunit.c (cgraph_finalize_function): When redefining an extern
973 inline, remove all nodes that are inlined into the extern inline
976 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
978 * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
979 loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
980 tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
981 config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
984 2005-02-17 Roger Sayle <roger@eyesopen.com>
986 PR tree-optimization/19917
987 * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
988 to be potentially trapping.
990 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
992 * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
994 2005-02-17 Andreas Krebbel <krebbel1@de.ibm.com>
996 * builtins.c (expand_builtin_return_addr): Remove tem parameter.
997 tem becomes a local variable which is set to the value of the
998 back end defined INITIAL_FRAME_ADDRESS macro.
999 (expand_builtin_frame_address): Omit the base parameter to
1000 expand_builtin_return_addr.
1001 (expand_builtin_profile_func): Likewise.
1002 * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
1003 (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
1004 * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
1006 2005-02-17 Jakub Jelinek <jakub@redhat.com>
1008 * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
1009 s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
1010 * config/frv/frv.c (frv_function_epilogue): Likewise.
1012 2005-02-17 Daniel Berlin <dberlin@dberlin.org>
1014 * lambda-code (perfect_nestify): Remove mark/unmark
1016 * tree-loop-linear.c (linear_transform_loops): Add
1017 rewrite_into_ssa call so that ssa is correct for
1018 rewriting into loop closed.
1020 2005-02-17 Nathan Sidwell <nathan@codesourcery.com>
1022 * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
1023 * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
1025 * bt-load.c (btr_def_live_range, combine_btr_defs,
1026 migrate_btr_def, migrate_btr_defs): Likewise.
1027 * cfgcleanup.c (thread_jump): Likewise.
1028 * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
1029 * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
1030 df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
1031 df_rd_local_compute, df_reg_info_compute): Likewise.
1032 * dominance.c (init_dom_info, free_dom_info): Likewise.
1033 * flow.c (init_propagate_block_info,
1034 free_propagate_block_info): Likewise.
1035 * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
1036 * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
1037 modify_reg_pav): Likewise.
1038 * loop-invariant.c (find_defs, find_invariant_insn,
1039 find_invariants, free_inv_motion_data): Likewise.
1040 * predict.c (tree_predict_by_opcode,
1041 estimate_bb_frequencies): Likewise.
1042 * stmt.c (expand_case): Likewise.
1043 * tree-cfg.c (tree_duplicate_sese_region): Likewise.
1044 * tree-dfa.c (mark_new_vars_to_rename): Likewise.
1045 * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
1046 * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
1047 get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
1048 rewrite_ssa_into_ssa): Likewise.
1049 * tree-optimize.c (tree_rest_of_compilation): Likewise.
1050 * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
1051 analyze_edges_for_bb, perform_edge_inserts): Likewise.
1052 * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
1053 * tree-sra.c (tree_sra): Likewise.
1054 * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
1055 * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1056 * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
1057 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
1058 * tree-ssa-dse.c (tree_ssa_dse): Likewise.
1059 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
1061 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
1062 calculate_live_on_entry, calculate_live_on_exit,
1063 build_tree_conflict_graph): Likewise.
1064 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
1065 record_important_candidates, set_use_iv_cost, find_depends,
1066 determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
1067 tree_ssa_iv_optimize_finalize): Likewise.
1068 * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
1069 find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
1070 tree_duplicate_loop_to_header_edge): Likewise.
1071 * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
1072 * tree-ssa.c (verify_flow_insensitive_alias_info,
1073 verify_name_tags, verify_ssa, init_tree_ssa,
1074 delete_tree_ssa): Likewise.
1075 * tree-ssanames.c (marked_ssa_names, init_ssanames,
1076 fini_ssanames): Likewise.
1077 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
1079 2005-02-17 Ralf Corsepius <ralf.corsepius@rtems.org>
1081 * config/rs6000/t-rtems: Completely reworked.
1083 2005-02-17 Ira Rosen <irar@il.ibm.com>
1085 * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
1087 2005-02-17 Ira Rosen <irar@il.ibm.com>
1089 * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
1090 POINTER_TYPE_P when checking that type is a pointer.
1091 (vect_get_memtag): Remove.
1092 (vect_address_analysis): Use POINTER_TYPE_P. Call
1093 vect_object_analysis with dummy parameter for memtag.
1094 (vect_object_analysis): Extract memtag (functionality that
1095 used to be in vect_get_memtag and moved here). Fix printings.
1096 (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
1097 with correct parameters. Remove call to vect_get_memtag.
1099 2005-02-17 Dorit Naishlos <dorit@il.ibm.com>
1101 * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
1102 (tree-vectorizer.o): Added missing dependencies.
1104 * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
1106 (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
1107 declaration in tree-vectorizer.c, now has an extern declaration in
1109 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1110 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1111 get_vectype_for_scalar_type, vect_is_simple_use,
1112 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1113 vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
1114 new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
1115 vectorizable_store, vectorizable_operation, vectorizable_assignment,
1116 vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
1117 find_loop_location): Likewise.
1119 * tree-vectorizer.c (langhooks.h): #include removed.
1120 (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
1121 moved to tree-vectorized.h.
1122 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1123 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1124 get_vectype_for_scalar_type, vect_is_simple_use,
1125 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1126 vect_supportable_dr_alignment, new_loop_vec_info,
1127 destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
1128 vect_set_verbosity_level, find_loop_location): Likewise.
1130 (vect_analyze_loop): Function externalized. Declaration moved to
1131 tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
1132 (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
1133 (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
1134 vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
1135 vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
1136 vect_enhance_data_refs_alignment, vect_analyze_operations,
1137 exist_non_indexing_operands_for_use_p, vect_mark_relevant,
1138 vect_stmt_relevant_p, vect_get_loop_niters,
1139 vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
1140 vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
1141 vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
1142 vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
1143 vect_get_memtag): Likewise.
1145 (vectorizable_load): Function externalized. Declaration moved to
1146 tree-vectorized.h. Function definition moved to tree-vect-transform.c.
1147 (vectorizable_store, vectorizable_operation, vectorizable_assignment,
1148 vect_transform_loop): Likewise.
1149 (vect_transform_stmt): Moved to tree-vect-transform.c.
1150 (vect_align_data_ref, vect_create_destination_var,
1151 vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
1152 vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
1153 vect_get_vec_def_for_operand, vect_init_vector,
1154 vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
1155 vect_build_loop_niters, vect_update_ivs_after_vectorizer,
1156 vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
1157 vect_update_inits_of_drs, vect_do_peeling_for_alignment,
1158 vect_do_peeling_for_loop_bound): Likewise.
1160 * tree-vect-analyze.c: New file.
1161 * tree-vect-transform.c: New file.
1163 2005-02-17 Jason Merrill <jason@redhat.com>
1165 PR mudflap/19319, c++/19317
1166 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
1169 2005-02-17 Gerald Pfeifer <gerald@pfeifer.com>
1171 * doc/install.texi (Specific): Update link for Darwin-specific
1174 2005-02-16 James A. Morrison <phython@gcc.gnu.org>
1176 * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
1177 constant_boolean_node.
1179 2005-02-16 David Edelsohn <edelsohn@gnu.org>
1182 * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
1183 * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
1185 2005-02-16 Richard Henderson <rth@redhat.com>
1188 * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
1190 (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
1191 replace uses with Wtype_MAXp1_F.
1192 (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
1193 L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
1194 L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
1195 L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
1196 and HAVE_TFMODE as appropriate.
1197 (__fixunssfDI): Provide an implementation that doesn't need DFmode.
1198 (__floatdisf): Likewise.
1199 * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
1200 (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
1201 (Wtype_MAXp1_F): New.
1202 (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
1203 __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
1205 2005-02-16 Richard Earnshaw <rearnsha@arm.com>
1208 * arm.c (arm_apply_result_size): New function.
1209 * arm.h (APPLY_RESULT_SIZE): Define.
1210 * arm-protos.h (arm_apply_result_size): Add prototype.
1211 * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
1212 (movxf): New expand.
1213 (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
1214 (call_value_symbol): Remove predicate for operand 0.
1215 (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
1216 (untyped_call): Rework to correclty return values for any type.
1217 (untyped_return): New expand.
1218 * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
1220 2005-02-16 Stan Shebs <shebs@apple.com>
1222 * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
1223 * config/rs6000/t-darwin8: New, for 64-bit multilib.
1225 2005-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1227 * doc/install.texi (sparc-sun-solaris2*): Document required GMP
1228 configure settings on Solaris 7 and later.
1230 2005-02-16 Diego Novillo <dnovillo@redhat.com>
1232 PR tree-optimization/19865
1233 * tree-optimize.c (init_tree_optimization_passes): Run
1234 pass_may_alias after pass_sra.
1236 2005-02-16 Richard Henderson <rth@redhat.com>
1237 Stuart Hastings <stuart@apple.com>
1240 * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
1241 Do nothing if debug info suppressed for this function.
1242 (dbxout_begin_function): Early exit if debug info suppressed for
1245 2005-02-16 Kazu Hirata <kazu@cs.umass.edu>
1248 * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
1250 * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1252 PR tree-optimization/19967
1253 * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
1254 expand_builtin_strchr, expand_builtin_strrchr): Take a new
1255 argument TYPE. Adjust calls to fold_builtin_XXX.
1256 (expand_builtin, fold_builtin_1): Adjust calls to
1258 (fold_builtin_strchr, fold_builtin_strpbrk,
1259 fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
1260 result to a requested type TYPE.
1262 2005-02-16 Jakub Jelinek <jakub@redhat.com>
1265 * fold-const.c (fold): Don't optimize (T)(x & cst) to
1266 (T)x & (T)cst if (T)cst overflows.
1267 * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
1268 TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
1270 2005-02-15 Jeff Law <law@redhat.com>
1272 * gcse.c (blocks_with_calls): New bitmap.
1273 (alloc_gcse_mem): Allocate it.
1274 (free_gcse_mem): Free it.
1275 (clear_modifY_mem_tables): Clear it.
1276 (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
1277 when we encounter CALL_INSNs.
1278 (compute_transp, case MEM): Handle blocks with calls separate
1279 from blocks without calls. Use bitmap iterators rather than
1282 2005-02-15 Peter O'Gorman <peter@pogma.com>
1285 * mklibgcc.in (vis_hide): Use a temporary object file, not
1288 2005-02-15 Andy Hutchinson <HutchinsonAndy@netscape.net>
1291 * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
1292 access optimization.
1294 2005-02-15 David Edelsohn <edelsohn@gnu.org>
1295 Alan Modra <amodra@bigpond.net.au>
1298 * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
1299 (_xlqsub): Rename to __gcc_qsub.
1300 (_xlqmul): Rename to __gcc_qmul.
1301 (_xlqdiv): Rename to __gcc_qdiv.
1302 Provide versioned symbol aliases with old names.
1303 * config/rs6000/libgcc-ppc64.ver: Rename symbols.
1304 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
1305 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
1306 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
1307 * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
1309 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
1311 * fold-const.c (fold): Fold -(~A) to A + 1. Fold ~(-A) to A - 1.
1312 Fold ~(A - 1) and ~(A + -1) to -A.
1314 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
1318 * config/host-linux.c (linux_gt_pch_use_address): Copy from
1319 config/pa/pa-host.c:pa_gt_pch_use_address.
1321 2005-02-15 Daniel Berlin <dberlin@dberlin.org>
1323 * tree-vn.c (get_value_handle): Make sure that given an
1324 is_gimple_min_invariant expression, we always return it.
1326 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
1328 * passes.c (rest_of_handle_gcse): Fix a comment.
1330 2005-02-15 Jeff Law <law@redhat.com>
1332 * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
1334 (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
1335 (canon_list_insert, record_last_mem_set_info): Similarly.
1336 (clear_modify_mem_tables): Similarly.
1338 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
1340 * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
1341 tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
1342 config/mips/mips.md, config/rs6000/aix.h,
1343 config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
1345 2005-02-15 Richard Henderson <rth@redhat.com>
1347 * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
1348 call to be best_edge.
1350 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
1352 * basic-block.h: Adjust the prototype for find_basic_blocks.
1353 * cfgbuild.c (find_basic_blocks): Remove unused arguments.
1354 * passes.c (rest_of_handle_loop_optimize): Adjust the call to
1357 * flow.c (recompute_reg_usage): Remove all arguments.
1358 * passes.c (rest_of_compilation): Adjust the call to
1359 recompute_reg_usage.
1360 * rtl.h: Adjust the prototype for recompute_reg_usage.
1362 2005-02-14 Daniel Berlin <dberlin@dberlin.org>
1364 * tree-dump.c (dump_files): Update to reflect new member
1366 (dump_register): Add new argument.
1368 (dump_switch_p_1): Check against glob name if doglob was passed.
1369 (dump_switch_p): Check against regular first, then glob if
1370 we didn't have any hits on the dump name.
1371 * tree-optimize.c (register_one_dump_file):
1372 Pass in glob name as well.
1373 * tree-pass.h (struct dump_file_info): Add glob
1376 2005-02-14 Joseph S. Myers <joseph@codesourcery.com>
1378 PR preprocessor/16323
1379 * doc/invoke.texi: Document that -Wendif-labels is on by default.
1381 2005-02-14 David Edelsohn <edelsohn@gnu.org>
1384 * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
1385 (trunctfdf2_internal1): New.
1386 (trunctfdf2_internal2): Renamed from trunctfdf2.
1388 2005-02-14 Diego Novillo <dnovillo@redhat.com>
1390 PR tree-optimization/19853
1391 * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
1393 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
1395 * passes.c (rest_of_handle_loop_optimize): Remove calls to
1396 delete_dead_jumptables and cleanup_cfg.
1398 2005-02-14 Ulrich Weigand <uweigand@de.ibm.com>
1400 * reload.c (find_reloads): Swap address_reloaded flags when
1401 swapping commutative operands.
1403 2005-02-14 Sebastian Pop <pop@cri.ensmp.fr>
1405 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
1406 Use standard_iv_increment_position for computing the bsi position
1408 * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
1411 2005-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1414 * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
1415 life range of hard registers.
1416 * value-prof.c (insn_prefetch_values_to_profile): Only
1419 * value-prof.c (rtl_find_values_to_profile): Do not look for values to
1420 profile in libcalls.
1422 2005-02-13 Nathan Sidwell <nathan@codesourcery.com>
1424 * bitmap.h (bitmap_and_compl_into): Return bool.
1425 * bitmap.c (bitmap_and_compl_into): Return changed flag.
1427 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
1429 PR tree-optimization/19944
1430 * fold-const.c (fold): Re-add ABS_EXPR folding.
1432 2005-02-13 David Edelsohn <edelsohn@gnu.org>
1435 * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
1436 {TARGET,MASK}_XL_COMPAT.
1437 (SUBTARGET_SWITCHES): Rename xl-call to xl-compat. Use
1439 * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
1440 * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
1442 (rs6000_arg_partial_bytes): Same.
1443 (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
1444 and XL compatibility enabled.
1445 * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
1446 * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
1447 test to final condition.
1448 (cmptf_internal2): New.
1449 * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
1450 xl-compat. Add TFmode information to description.
1452 2005-02-13 Kazu Hirata <kazu@cs.umass.edu>
1454 * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
1456 2005-02-13 Jason Merrill <jason@redhat.com>
1459 * fold-const.c (fold_indirect_ref_1): Split out from...
1460 (build_fold_indirect_ref): Here.
1461 (fold_indirect_ref): New fn.
1462 * tree.h: Declare it.
1463 * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
1464 (gimplify_modify_expr_rhs): Likewise.
1465 (gimplify_expr): Likewise.
1467 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
1469 PR tree-optimization/14303
1470 PR tree-optimization/15784
1471 * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
1472 Fold ABS_EXPR<x> < 0 to false. Fold ABS_EXPR<x> == 0 to x == 0 and
1473 ABS_EXPR<x> != 0 to x != 0.
1475 2005-02-12 Kazu Hirata <kazu@cs.umass.edu>
1477 * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
1478 simplify-rtx.c, tree-ssa-live.h: Fix comment typos. Follow
1479 spelling conventions.
1481 * passes.c (rest_of_handle_gcse): Don't run cse_main and
1482 delete_trivially_dead_insns too many times.
1484 * passes.c (rest_of_handle_gcse): Remove dead assignments to
1487 2005-02-12 Ira Rosen <irar@il.ibm.com>
1489 * tree-vectorizer.c (vect_get_base_and_offset): Remove.
1490 (vect_is_simple_iv_evolution): Remove redundant parameter
1492 (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
1493 without last parameter.
1494 (vect_analyze_pointer_ref_access): Get access_fn as parameter.
1495 Return pointer step. Call vect_is_simple_iv_evolution without
1496 last parameter. Check only that the step is multiple of size
1497 type. Remove stmt_vinfo updates.
1498 (vect_get_memtag_and_dr): Remove.
1499 (vect_get_memtag): New function.
1500 (vect_address_analysis): New function.
1501 (vect_object_analysis): New function.
1502 (vect_analyze_data_refs): Call vect_object_analysis and
1503 vect_get_memtag. Update stmt_vinfo fields.
1505 2005-02-12 Ira Rosen <irar@il.ibm.com>
1507 * tree-data-ref.c (array_base_name_differ_p): Check that the bases
1508 exist and are objects. Remove checks for pointer.
1509 * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
1510 STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
1511 (vect_create_data_ref_ptr): Likewise.
1512 (vect_base_addr_differ_p): New function.
1513 (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
1514 (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
1515 Don't set the DR_BASE_NAME field of data-ref.
1516 (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
1518 2005-02-12 Uros Bizjak <uros@kss-loka.si>
1520 * optabs.h (enum optab_index): Add new OTI_ldexp.
1521 (ldexp_optab): Define corresponding macro.
1522 * optabs.c (init_optabs): Initialize ldexp_optab.
1523 * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
1525 * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
1527 (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
1528 expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
1530 * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
1531 to implement ldexpf, ldexp and ldexpl built-ins as inline x87
1534 2005-02-12 Ira Rosen <irar@il.ibm.com>
1536 * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
1538 * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
1540 (vect_get_base_and_offset): Always return an address.
1541 (vect_create_addr_base_for_vector_ref): Remove treatment for
1542 different data reference types.
1543 (vect_compute_data_ref_alignment): Rename base to base_address in
1544 stmt_vec_info. Get the object in order to force its alignment.
1545 (vect_get_memtag_and_dr): Rename base to base_address in
1546 stmt_vec_info. Extract the object for memtag analysis.
1548 2005-02-12 Hans-Peter Nilsson <hp@axis.com>
1550 PR regression/19898.
1551 * config/cris/cris.c (cris_notice_update_cc): When testing if insn
1552 changes cc_status, use apply modified_in_p to part of cc_status
1553 and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
1556 2005-02-11 Richard Henderson <rth@redhat.com>
1558 * tree-complex.c (expand_complex_libcall): New.
1559 (expand_complex_multiplication): Use it for c99 compliance.
1560 (expand_complex_division): Likewise.
1561 * fold-const.c (fold_complex_add, fold_complex_mult): New.
1563 * builtins.c (built_in_names): Remove const.
1564 * tree.c (build_common_builtin_nodes): Build complex arithmetic
1566 * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
1567 (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
1568 (built_in_names): Remove const.
1569 * c-common.c (c_common_type_for_mode): Handle complex modes.
1570 * flags.h, toplev.c (flag_complex_method): Rename from
1571 flag_complex_divide_method.
1572 * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
1573 __mulsc3, __muldc3, __mulxc3, __multc3): New.
1574 * libgcc2.h: Declare them.
1575 * libgcc-std.ver: Export them.
1576 * mklibgcc.in (lib2funcs): Build them.
1578 2005-02-11 Steven Bosscher <stevenb@suse.de>
1580 PR tree-optimization/19876
1581 Partially revert my change from 2005-01-14
1582 * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
1583 (compute_antic): ...and remove the loop here.
1585 2005-02-11 Jakub Jelinek <jakub@redhat.com>
1588 * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
1589 is number of inner's bits, avoid creating a BIT_FIELD_REF.
1591 * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
1592 crtend.o if -pie. Use %{x:a;:b} spec syntax.
1594 2005-02-11 Daniel Jacobowitz <dan@codesourcery.com>
1596 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1597 offsets for the big-endian 32-bit case.
1599 2005-02-11 Joseph S. Myers <joseph@codesourcery.com>
1601 * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1603 2005-02-11 Dale Johannesen <dalej@apple.com>
1605 * cselib.c (cselib_process_insn): Clear out regs where
1606 HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
1607 * reload.c (find_equiv_reg): Ditto.
1609 2005-02-11 Ian Lance Taylor <ian@airs.com>
1611 * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
1614 * tree.c (build_function_type_list): Work correctly if there are
1617 2005-02-11 Ulrich Weigand <uweigand@de.ibm.com>
1619 * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
1620 "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
1621 ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
1622 TARGET_ZARCH instead of TARGET_64BIT.
1624 2005-02-11 Ralf Corsepius <ralf.corsepius@rtems.org>
1626 * config/rs6000/t-rtems:
1627 (MULTILIB_OPTIONS): Remove mcpu=602.
1628 (MUTLILIB_DIRNAMES): Remove m602.
1629 (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
1630 Let mcpu=602 match mcpu=603.
1631 (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
1633 2005-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1635 * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
1638 2005-02-10 David Daney <ddaney@avtrex.com>
1640 * config/alpha/linux-unwind.h: Add exception clause to copyright.
1641 * config/i386/linux-unwind.h: Likewise.
1642 * config/ia64/linux-unwind.h: Likewise.
1643 * config/mips/linux-unwind.h: Likewise.
1644 * config/pa/linux-unwind.h: Likewise.
1645 * config/rs6000/linux-unwind.h: Likewise.
1646 * config/s390/linux-unwind.h: Likewise.
1647 * config/sh/linux-unwind.h: Likewise.
1648 * config/sparc/linux-unwind.h: Likewise.
1650 2005-02-10 Steven Bosscher <stevenb@suse.de>
1652 PR tree-optimization/17549
1653 * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
1654 TER to replace a DEF with its expression if the DEF and the
1655 rhs of the expression we replace into have the same root
1658 2005-02-10 Richard Sandiford <rsandifo@redhat.com>
1660 * config/mips/mips.md: Fix the placement of the match_scratch in the
1663 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
1665 * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
1668 2005-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1670 * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
1671 (strip_offset): Handle addresses.
1672 (add_address_candidates): Use strip_offset.
1673 (difference_cost): Reflect strip_offset change.
1674 (force_var_cost, difference_cost): Strip nops.
1676 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
1678 * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
1680 * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
1681 tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
1682 config/cris/cris-protos.h, config/cris/cris.c: Update
1685 2005-02-10 Jeff Law <law@redhat.com>
1687 * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
1688 (lookup_avail_expr): Similarly.
1690 2005-02-10 Richard Guenther <rguenth@gcc.gnu.org>
1692 * builtins.c (fold_builtin_powi): New function.
1693 (fold_builtin_1): Call it.
1695 2005-02-10 Steven Bosscher <stevenb@suse.de>
1697 PR documentation/19309
1698 * doc/cpp.texi: The __GNUC__ and related predefined macros
1699 are also defined for the "standalone" cpp.
1700 Some non-GCC compilers may also define __GNUC__.
1702 2005-02-10 Jakub Jelinek <jakub@redhat.com>
1705 * c-typeck.c (common_type): New routine. Old common_type renamed
1707 (c_common_type): ...this.
1708 (build_conditional_expr, build_binary_op): Use c_common_type instead
1711 2005-02-10 Steven Bosscher <stevenb@suse.de>
1713 * doc/md.texi: Replace @samp{length} with @code{length}.
1715 2005-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1717 PR tree-optimization/18687
1718 * tree-flow.h (find_loop_niter): Declare.
1719 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1720 Try using scev even for loops with more than one exit.
1721 * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
1722 (struct ivopts_data): Added niters field.
1723 (struct nfe_cache_elt): New.
1724 (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
1726 (tree_ssa_iv_optimize_init): Initialize niters cache.
1727 (determine_number_of_iterations): Removed.
1728 (find_induction_variables): Do not call determine_number_of_iterations.
1729 Access niters for single exit through niter_for_single_dom_exit.
1730 (add_iv_outer_candidates): Access niters for single exit through
1731 niter_for_single_dom_exit.
1732 (may_eliminate_iv): Take data argument. Use niter_for_exit. Do not use
1733 number_of_iterations_cond.
1734 (iv_period): New function.
1735 (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
1736 (may_replace_final_value): Take data argument. Use
1737 niter_for_single_dom_exit.
1738 (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
1739 (rewrite_use_compare): Pass data to may_eliminate_iv.
1740 (rewrite_use_outer): Pass data to may_replace_final_value.
1741 (free_loop_data): Clean up the niters cache.
1742 (tree_ssa_iv_optimize_finalize): Free the niters cache.
1743 (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
1744 * tree-ssa-loop-niter.c (find_loop_niter): New function.
1745 (find_loop_niter_by_eval): Use tree_int_cst_lt.
1746 (num_ending_zeros): Moved to tree.c.
1747 * tree.h (num_ending_zeros): Declare.
1748 * tree.c (num_ending_zeros): Moved from tree.c.
1750 2005-02-09 Richard Henderson <rth@redhat.com>
1752 * builtins.c (DEF_BUILTIN): Add COND argument.
1753 * tree.h (DEF_BUILTIN): Likewise.
1754 * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
1755 DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
1757 (DEF_BUILTIN_STUB): New.
1758 (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
1759 BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
1760 BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
1761 * c-common.c (DEF_BUILTIN): Add COND argument.
1762 * tree.c (local_define_builtin): New.
1763 (build_common_builtin_nodes): New.
1765 2005-02-09 Roger Sayle <roger@eyesopen.com>
1767 * fold-const.c (fold_strip_sign_ops): New function to simplify a
1768 floating point expression ignoring the sign of the result.
1769 (fold) <ABS_EXPR>: Use it to simplify fabs(x).
1770 (fold) <MULT_EXPR>: Use it to simplify x*x.
1771 * tree.h (fold_strip_sign_ops): Prototype here.
1772 * builtins.c (fold_builtin_copysign): Take an additional FNDECL
1773 argument. Use fold_strip_sign_ops to simplify the first argument.
1774 (fold_builtin_pow): Use fold_strip_sign_ops to simplify the
1775 first argument when the second argument is an even integer
1776 constant, but only with -funsafe_math_optimizations.
1777 (fold_builtin_1): Update call to fold_builtin_copysign.
1779 2005-02-09 Ian Lance Taylor <ian@airs.com>
1782 * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
1783 just check whether EH_FILTER_FAILURE falls through.
1785 2005-02-09 Andreas Krebbel <krebbel1@de.ibm.com>
1787 * gcc/haifa-sched.c (schedule_block): Make queued sched group
1788 insns return to ready list in the next turn.
1790 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
1793 * builtins.def: New __builtin_powi[lf].
1794 * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
1795 (expand_builtin_powi): New function.
1796 (expand_builtin): Dispatch to expand_builtin_powi.
1797 * libgcc2.h: Add prototypes for __builtin_powi[lf].
1798 * libgcc2.c: Add __builtin_powi[lf] implementation.
1799 * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
1800 * optabs.h: Add powi_optab.
1801 * optabs.c (init_optabs): Initialize powi_optab.
1802 * doc/extend.texi: Document __builtin_powi[lf].
1804 2005-02-09 Dorit Naishlos <dorit@il.ibm.com>
1806 * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
1809 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
1812 * fold-const.c (try_move_mult_to_index): Remove redundant
1813 type argument. Create ADDR_EXPR with correct type.
1814 (fold): Update callers of try_move_mult_to_index. Convert
1815 result to the appropriate type.
1817 2005-02-09 Roger Sayle <roger@eyesopen.com>
1820 * config/avr/avr.c (default_rtx_costs): Delete.
1821 (avr_operand_rtx_cost): New function.
1822 (avr_rtx_costs): Completely rewrite.
1824 2005-02-08 Hans-Peter Nilsson <hp@axis.com>
1827 * config/cris/cris.c (in_code): New variable.
1828 (cris_output_addr_const): Now a static function, a wrapper for
1830 (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
1831 case from old cris_output_addr_const.
1832 (cris_asm_output_label_ref): Similar for LABEL_REF.
1833 (cris_output_addr_const_extra): Similar for UNSPEC.
1834 * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
1835 (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
1836 * config/cris/cris-protos.h (cris_output_addr_const): Remove
1838 (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
1839 (cris_asm_output_label_ref): Declare.
1841 2005-02-08 Paolo Bonzini <bonzini@gnu.org>
1843 PR preprocessor/19801
1844 * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
1845 filenames that changed when libcpp was moved to the toplevel.
1847 2005-02-07 Roger Sayle <roger@eyesopen.com>
1849 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1850 zero extensions of BImode operands. Call lowpart_subreg instead
1851 of gen_lowpart_common and gen_lowpart_SUBREG.
1853 2005-02-07 Nathanael Nerode <neroden@gcc.gnu.org>
1856 * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
1857 * configure.ac: Set cc_for_cross_gnattools.
1858 * configure: Regenerate.
1860 2005-02-08 Alan Modra <amodra@bigpond.net.au>
1863 * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
1865 2005-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1868 * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
1869 of nested functions.
1871 2005-02-07 Jonathan Wakely <redi@gcc.gnu.org>
1873 * doc/extend.texi: Document deprecated extensions allowing
1874 static floating-point members to have initializers and allowing
1875 floating-point literals in integral constant expressions.
1877 2005-02-07 Kazu Hirata <kazu@cs.umass.edu>
1879 * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
1880 config/darwin7.h, config/mips/mips.c,
1881 config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
1884 * cse.c: Update comments.
1886 2005-02-07 Richard Guenther <rguenth@gcc.gnu.org>
1889 * builtins.c (fold_builtin_sqrt): Transform
1890 sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
1893 2005-02-07 Leehod Baruch <leehod@il.ibm.com>
1894 Dorit Naishlos <dorit@il.ibm.com>
1896 * doc/invoke.texi (ftree-vectorizer-verbose): New.
1897 * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
1898 * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
1900 * tree.h (vect_set_verbosity_level): New extern function declaration
1902 * tree-vectorizer.h (verbosity_levels): New enum type.
1903 * tree-vectorizer.c (vect_debug_stats): Function removed.
1904 (vect_debug_details): Likewise.
1905 (vect_verbosity_level): Global variable was defined and initialized.
1906 (vect_dump): Global variable definition.
1907 (vect_print_dump_info): New function.
1908 (vect_set_dump_settings): New function.
1909 (vect_set_verbosity_level): New function.
1910 (vectorize_loops): Add call to vect_set_dump_settings.
1912 (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
1913 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1914 (slpeel_tree_peel_loop_to_edge): Likewise.
1916 (vect_analyze_offset_expr): Call to vect_print_dump_info with
1917 appropriate verbosity level instead of call to vect_debug_details
1918 or vect_debug_stats.
1919 (vect_get_base_and_offset):
1920 (vect_create_addr_base_for_vector_ref):
1921 (get_vectype_for_scalar_type):
1922 (vect_create_data_ref_ptr):
1924 (vect_get_vec_def_for_operand):
1925 (vect_finish_stmt_generation):
1926 (vectorizable_assignment):
1927 (vectorizable_operation):
1928 (vectorizable_store):
1929 (vectorizable_load):
1930 (vect_transform_stmt):
1931 (vect_update_ivs_after_vectorizer):
1932 (vect_do_peeling_for_loop_bound):
1933 (vect_update_inits_of_drs):
1934 (vect_do_peeling_for_alignment):
1935 (vect_transform_loop):
1936 (vect_is_simple_use):
1937 (vect_analyze_operations):
1938 (vect_is_simple_iv_evolution):
1939 (vect_analyze_scalar_cycles):
1940 (vect_analyze_data_ref_dependence):
1941 (vect_analyze_data_ref_dependences):
1942 (vect_compute_data_ref_alignment):
1943 (vect_enhance_data_refs_alignment):
1944 (vect_analyze_data_refs_alignment):
1945 (vect_analyze_data_ref_access):
1946 (vect_analyze_data_ref_accesses):
1947 (vect_analyze_pointer_ref_access):
1948 (vect_get_memtag_and_dr):
1949 (vect_analyze_data_refs):
1950 (vect_mark_relevant):
1951 (vect_stmt_relevant_p):
1952 (vect_mark_stmts_to_be_vectorized):
1953 (vect_can_advance_ivs_p):
1954 (vect_get_loop_niters):
1955 (vect_analyze_loop_form):
1956 (vect_analyze_loop):
1957 (vectorize_loops): Likewise.
1959 (vect_do_peeling_for_loop_bound): Dump format slightly changed.
1960 (vect_update_inits_of_drs):
1961 (vect_do_peeling_for_alignment):
1962 (vect_transform_loop):
1963 (vect_analyze_operations):
1964 (vect_analyze_scalar_cycles):
1965 (vect_analyze_data_ref_dependences):
1966 (vect_analyze_data_refs_alignment):
1967 (vect_analyze_data_ref_accesses):
1968 (vect_analyze_data_refs):
1969 (vect_mark_stmts_to_be_vectorized):
1970 (vect_get_loop_niters):
1971 (vect_analyze_loop_form):
1972 (vect_analyze_loop): Likewise.
1973 (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
1975 2005-02-07 Richard Sandiford <rsandifo@redhat.com>
1979 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
1980 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
1981 either -ffast-math or -funsafe-math-optimizations is in use.
1983 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
1984 * config/mips/irix-csr.c: New file.
1985 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
1986 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
1987 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
1990 2005-02-07 Alexandre Oliva <aoliva@redhat.com>
1992 * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
1993 redundant, incorrect definitions.
1995 * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
1997 ("*tls_indirect_call"): New, reference hard regs directly.
1998 * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
2000 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
2002 * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
2003 Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
2005 2005-02-06 Roger Sayle <roger@eyesopen.com>
2007 PR rtl-optimization/19800
2008 * simplify_rtx.c (simplify_relational_operation_1): Explicitly
2009 call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
2012 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
2014 * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
2016 2005-02-07 Joseph S. Myers <joseph@codesourcery.com>
2019 * doc/invoke.texi: Correct documentation of -freorder-functions.
2021 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
2024 * doc/invoke.texi: Don't mention gccbug.
2026 2005-02-06 Roger Sayle <roger@eyesopen.com>
2027 Andrew Pinski <pinskia@physics.uc.edu>
2028 Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
2030 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2031 (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
2032 into just (zero_extract:SI FOO (const_int 1) BAR).
2034 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
2036 * doc/cpp.texi: Include gcc-common.texi. Don't define gcctabopt
2037 macro locally. Don't give last revision date. Use GCC version
2038 number from gcc-common.texi.
2039 * doc/cppinternals.texi: Include gcc-common.texi. Don't give last
2040 revision date. Use GCC version number from gcc-common.texi.
2041 Describe being a library as current state rather than as 3.x
2043 * doc/gcc.texi: Remove last update date.
2044 * doc/gccint.texi: Likewise. Update copyright dates.
2045 * doc/install.texi: Update copyright dates.
2047 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
2050 * doc/invoke.texi: Mention for each option included in -Wall that
2051 it is included in -Wall.
2052 * doc/gcc.texi: Update copyright and last modification date.
2054 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2056 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
2057 unnecessary cast to original induction variable increments.
2059 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2061 PR tree-optimization/18219
2062 * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
2063 in distributed form.
2065 2005-02-06 Richard Sandiford <rsandifo@redhat.com>
2067 * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
2068 Set bitpos and offset later in the function. Do nothing if the
2069 target is a register and if the bitfield lies completely outside
2071 (extract_bit_field): Make the same SUBREG, bitpos and offset changes
2072 here. Return an uninitialised register if the source value is stored
2073 in a register and the bitfield lies completely outside that register.
2075 2005-02-06 Steven Bosscher <stevenb@suse.de>
2077 * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
2080 2005-02-06 Marcin Dalecki <martin@dalecki.de>
2082 * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
2084 2005-02-06 Geoffrey Keating <geoffk@apple.com>
2086 * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
2087 * config/darwin8.h: New.
2088 * config/darwin7.h: Update comment.
2090 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
2091 Dorit Naishlos <dorit@il.ibm.com>
2093 * tree-vectorizer.h (LOC): New type.
2094 (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
2095 (loop_line_number): New field in struct _loop_vec_info.
2096 (LOOP_VINFO_LOC, LOOP_LOC): New macros.
2098 * tree-vectorizer.c (input.h): Included.
2099 (find_loop_location): New function.
2100 (vect_debug_stats): Argument changed from loop to LOC. Computation of
2101 loop line number removed.
2102 (vect_debug_details): Likewise.
2103 (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
2105 (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
2106 call to vect_debug_details/stats changed from loop to loop_loc.
2107 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2108 (slpeel_tree_peel_loop_to_edge): Likewise.
2110 (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
2111 changed from NULL to UNKNOWN_LOC.
2112 (vect_get_base_and_offset):
2113 (vect_create_addr_base_for_vector_ref):
2114 (get_vectype_for_scalar_type):
2115 (vect_create_data_ref_ptr):
2117 (vect_get_vec_def_for_operand):
2118 (vect_finish_stmt_generation):
2119 (vectorizable_assignment):
2120 (vectorizable_operation):
2121 (vectorizable_store):
2122 (vectorizable_load):
2123 (vect_transform_stmt):
2124 (vect_update_ivs_after_vectorizer):
2125 (vect_do_peeling_for_loop_bound):
2126 (vect_do_peeling_for_alignment):
2127 (vect_transform_loop):
2128 (vect_is_simple_use):
2129 (vect_analyze_operations):
2130 (vect_is_simple_iv_evolution):
2131 (vect_analyze_scalar_cycles):
2132 (vect_analyze_data_ref_dependences):
2133 (vect_compute_data_ref_alignment):
2134 (vect_enhance_data_refs_alignment):
2135 (vect_analyze_data_ref_access):
2136 (vect_analyze_data_ref_accesses):
2137 (vect_analyze_pointer_ref_access):
2138 (vect_get_memtag_and_dr):
2139 (vect_analyze_data_refs):
2140 (vect_mark_relevant):
2141 (vect_stmt_relevant_p):
2142 (vect_mark_stmts_to_be_vectorized):
2143 (vect_can_advance_ivs_p):
2144 (vect_get_loop_niters):
2145 (vect_analyze_loop):
2146 (vectorize_loops): Likewise.
2148 (vectorizable_load): Argument in call to vect_debug_details/stats
2149 changed from loop to LOOP_LOC (loop_vinfo).
2150 (vect_transform_loop):
2151 (vect_analyze_operations):
2152 (vect_analyze_scalar_cycles):
2153 (vect_analyze_data_ref_dependence):
2154 (vect_enhance_data_refs_alignment):
2155 (vect_analyze_data_ref_accesses):
2156 (vect_analyze_pointer_ref_access):
2157 (vect_analyze_data_refs):
2158 (vect_analyze_loop): Likewise.
2160 (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
2161 changed from loop to loop_loc.
2163 (vect_enhance_data_refs_alignment): Removed unused variable loop.
2165 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
2166 Dorit Naishlos <dorit@il.ibm.com>
2168 * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
2170 (vect_analyze_data_ref_dependences): Likewise.
2172 (vect_is_simple_use): Argument changed from loop structure to
2173 loop_vect_info structure.
2174 (vect_can_advance_ivs_p): Likewise.
2175 (vect_create_index_for_vector_ref): Likewise.
2176 (vect_update_ivs_after_vectorizer): Likewise.
2177 (new_stmt_vec_info): Likewise.
2179 (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
2180 changed from loop to loop_vinfo.
2181 (vect_create_data_ref_ptr): First argument in call to
2182 vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
2183 (vectorizable_assignment): Second argument in call to vect_is_simple_use
2184 was changed from loop to loop_vinfo.
2185 (vectorizable_operation): Likewise.
2186 (vectorizable_store): Likewise.
2187 (vect_mark_stmts_to_be_vectorized): Likewise.
2188 (vect_do_peeling_for_loop_bound): First argument in call to
2189 vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
2190 (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
2191 was changed from loop to loop_vinfo.
2192 (vect_analyze_data_ref_dependences): Third argument in call to
2193 vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
2195 (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
2196 (vect_create_data_ref_ptr): Likewise.
2197 (vect_init_vector): Likewise.
2198 (vect_get_vec_def_for_operand): Likewise.
2199 (vectorizable_assignment): Likewise.
2200 (vectorizable_operation): Likewise.
2201 (vectorizable_store): Likewise.
2202 (vectorizable_load): Likewise.
2203 (vect_update_ivs_after_vectorizer): Likewise.
2204 (vect_is_simple_use): Likewise.
2205 (vect_analyze_data_ref_dependence): Likewise.
2206 (vect_analyze_pointer_ref_access): Likewise.
2207 (vect_can_advance_ivs_p): Likewise.
2209 * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
2210 before _stmt_vec_info.
2211 (_stmt_vec_info): Loop field replaced by loop_vec_info.
2212 (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
2213 (new_stmt_vec_info): Argument changed from loop structure to
2214 loop_vect_info structure
2216 (vect_analyze_data_ref_dependences): Unnecessary line was removed.
2217 (vect_analyze_offset_expr): Avoid 80 columns overflow.
2218 (vect_create_addr_base_for_vector_ref): Likewise.
2219 (vect_analyze_pointer_ref_access): Likewise.
2221 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
2224 * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
2225 phi flag if the phi is abnormal.
2227 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
2230 * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
2231 information for the new statement.
2233 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
2236 * gcc.c (main): Include the target in -v output.
2238 2005-02-03 Alexandre Oliva <aoliva@redhat.com>
2240 * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
2241 Do not drop the extend if we'd have to add a paradoxical subreg
2242 later. Include optabs.h and insn-codes.h.
2243 * Makefile.in (combine.o): Depend on $(OPTABS_H).
2245 2005-02-02 Roger Sayle <roger@eyesopen.com>
2248 * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
2249 * fold-const.c (const_binop): Avoid constant folding floating
2250 point operations in modes that use composite representations.
2251 * simplify-rtx.c (simplify_binary_operation): Likewise.
2253 2005-02-02 Geoffrey Keating <geoffk@apple.com>
2255 * config/rs6000/altivec.md (altivec_dst): Make the first operand
2257 (altivec_dstt): Likewise.
2258 (altivec_dstst): Likewise.
2259 (altivec_dststt): Likewise.
2260 * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
2263 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
2265 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
2266 EXPR_LOCUS from orig_cond to the new cond_stmt.
2267 (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
2270 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
2272 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
2273 standard_iv_increment_position. Remove call to bsi_next
2274 (no need to bump the iterator anymore).
2275 (vect_create_index_for_vector_ref): Call
2276 standard_iv_increment_position. Remove second function argument.
2277 (vect_finish_stmt_generation): Remove call to bsi_next
2278 (no need to bump the iterator anymore).
2279 (vect_create_data_ref_ptr): Remove second argument (bsi) in call
2280 to vect_create_index_for_vector_ref.
2282 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
2284 * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
2285 phis are used out of the loop.
2287 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
2290 * c-decl.c (undef_nested_function): New variable.
2291 (pop_scope): Diagnose undefined nested functions.
2292 (finish_function): Don't attempt cgraph processing or genericizing
2293 if current top-level function contained an undefined nested
2294 function. Reset undef_nested_function at the end of a top-level
2297 2005-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2299 * tree.c (build_int_cst_type): Take sign of the value into account
2300 when deciding whether sign extend the value.
2302 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
2305 * gcc.c (cpp_unique_options): Remove %{trigraphs}.
2306 (cpp_options, cc1_options): Change %{std*&ansi} to
2307 %{std*&ansi&trigraphs}.
2309 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
2311 * cse.c: Update comments.
2313 2005-02-02 Aldy Hernandez <aldyh@redhat.com>
2315 * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
2316 arguments go on the stack. Do not put complex doubles in odd/even
2319 2005-02-02 Steven Bosscher <stevenb@suse.de>
2321 * doc/invoke.texi: Update the options enabled at -O1, -O2,
2322 and -O3. Update the documentation for -fgcse-sm, -fgcse-las,
2323 -ftree-pre, and -fthread-jumps.
2325 2005-02-02 Richard Sandiford <rsandifo@redhat.com>
2327 PR tree-optimization/19578
2328 * tree-flow.h (modified_noreturn_calls): Declare.
2329 (noreturn_call_p): Declare.
2330 * tree-flow-inline.h (noreturn_call_p): New function.
2331 (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
2332 * tree-cfg.c (modified_noreturn_calls): New variable.
2333 (cleanup_control_flow): Use noreturn_call_p. Split basic blocks
2334 that contain a mid-block noreturn call.
2335 * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
2337 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
2339 * df.c (df_def_record_1, df_uses_record): Don't use
2341 * df.h (DF_FOR_REGALLOC): Remove.
2343 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
2346 * c-typeck.c (really_start_incremental_init): Reset
2347 constructor_max_index for arrays of incomplete type.
2349 2005-02-02 Jeff Law <law@redhat.com>
2351 * gcse.c (struct reg_set): Store the block index where the register
2352 was set rather than the setting insn.
2353 (record_one_set, compute_transp): Corresponding changes.
2354 (pre_insert_copy_insn): Do not call replace_one_set.
2355 (replace_one_set): Remove.
2357 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
2360 * doc/gcov.texi: Fix typo.
2362 2005-02-01 Richard Henderson <rth@redhat.com
2365 * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
2366 * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
2368 (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
2369 * config/i386/i386-protos.h: Update.
2371 2005-02-01 Steven Bosscher <stevenb@suse.de>
2373 PR tree-optimization/19217
2374 * tree-cfg.c (verify_expr): Use the data field to see if TP was
2375 seen inside a PHI node. Do not do the ADDR_EXPR check if it was.
2376 (verify_stmts): Pass (void*)1 as data to verify_expr to signal
2377 that it is walking a PHI node.
2379 2005-02-01 Joseph S. Myers <joseph@codesourcery.com>
2381 * doc/extend.texi (Nested Functions): Update.
2383 2005-02-01 Richard Henderson <rth@redhat.com>
2386 * optabs.c (expand_copysign_absneg): Export.
2387 * optabs.h (expand_copysign_absneg): Declare.
2388 * config/rs6000/rs6000.md (copysigntf3): New.
2390 2005-02-01 Diego Novillo <dnovillo@redhat.com>
2392 PR tree-optimization/19633
2393 * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
2394 * tree-ssa-alias.c (init_alias_info): Initialize.
2395 (merge_pointed_to_info): Set.
2396 (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
2397 (dump_points_to_info_for): Show value of pt_null.
2398 (struct count_ptr_d): Declare.
2399 (find_ptr_dereference): Remove.
2400 (ptr_is_dereferenced_by): Remove.
2401 (count_ptr_derefs): New local function.
2402 (count_uses_and_derefs): New local function.
2403 (compute_points_to_and_addr_escape): Call it. If the number
2404 of dereferences is greater than zero, mark the pointer as
2405 dereferenced. If there are fewer dereferences than uses of
2406 the pointer, the pointer's value escapes.
2408 2005-02-01 Diego Novillo <dnovillo@redhat.com>
2410 PR tree-optimization/19670
2411 * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
2413 (verify_use): ... set it here, instead.
2415 2005-02-01 Janis Johnson <janis187@us.ibm.com>
2417 * doc/sourcebuild.texi (Test directives): Fix formatting.
2419 * doc/sourcebuild.texi (Test directives): Describe selector
2422 2005-02-01 Segher Boessenkool <segher@kernel.crashing.org>
2424 * config.gcc (powerpc64-*-linux*): Default to -m64 also for
2425 specific 64-bit CPUs.
2427 2005-02-01 Richard Earnshaw <rearnsha@arm.com>
2430 * arm.c (arm_eliminable_register): New function.
2431 (adjacent_mem_locations): Don't allow eliminable registers. Use
2432 HOST_WIDE_INT for address offsets.
2433 * arm-protos.h (arm_eliminable_register): Add prototype.
2435 2005-02-01 Steven Bosscher <stevenb@suse.de>
2437 PR optimization/15242
2438 * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
2439 * basic-block.h (duplicate_computed_gotos): Add prototype.
2440 * bb-reorder.c (duplicate_computed_gotos): New function to
2441 duplicate sufficiently small blocks ending in a computed jump.
2442 * passes.c (rest_of_compilation): Call duplicate_computed_gotos
2443 if not optimizing for size.
2444 * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
2445 never do tail merging for blocks ending in a computed jump.
2446 * doc/invoke.texi: Document the max-goto-duplication-insns param.
2448 2005-02-01 Eric Botcazou <ebotcazou@libertysurf.fr>
2450 Patch from Richard Sandiford <rsandifo@redhat.com>
2451 * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
2452 from inheriting a subreg equivalence with a non-spill register.
2454 * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
2456 2005-02-01 Alexandre Oliva <aoliva@redhat.com>
2458 * config/frv/frv.c (movcc_fp_destination_operand): New.
2459 (gpr_or_memory_operand): Fix typo in comment.
2460 (gpr_or_memory_operand_with_scratch): New.
2461 * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
2462 * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
2463 movcc_fp_destination_operand.
2464 (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
2465 Legitimize memory addresses using a scratch register.
2467 2005-01-31 Jeff Law <law@redhat.com>
2469 * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
2470 bitmap a sparse bitmap instead of a simple bitmap.
2471 (mark_def_sites_initialize_block): Corresponding changes.
2472 (ssa_mark_def_sites_initialize_block): Likewise.
2473 (ssa_mark_phi_uses): Likewise.
2474 (mark_def_site, ssa_mark_def_sites): Likewise.
2475 (mark_def_site_blocks): Likewise.
2476 (rewrite_ssa_into_ssa): Likewise.
2478 * tree-ssa-dom.c (record_cond): Pass correct variable type
2479 for last argument to htab_find_slot_with_hash.
2481 * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
2482 effects when optimizing 0 % X. Do not try to optimize X % 0.
2484 2005-01-31 James E. Wilson <wilson@specifixinc.com>
2486 * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
2489 2005-02-01 Eric Christopher <echristo@redhat.com>
2491 * config/mips/mips.c (override_options): Warn if -mint64
2493 * doc/invoke.texi (MIPS Options): Document that -mint64 is
2496 2005-02-01 Kazu Hirata <kazu@cs.umass.edu>
2498 * cse.c (cse_reg_info): Remove hash_next, next, regno. Add
2500 (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
2501 REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
2502 cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
2503 (cached_regno): Initialize to INVALID_REGNUM.
2504 (cse_reg_info_table_size,
2505 cse_reg_info_table_first_uninitialized,
2506 cse_reg_info_timestamp): New.
2507 (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
2509 (init_cse_reg_info, get_cse_reg_info_1): New.
2510 (get_cse_reg_info): Cache the last look-up.
2511 (new_basic_block): Update the code to clear mappings from
2512 registers to cse_reg_info entries.
2513 (cse_main): Call init_cse_reg_info.
2515 * cse.c (get_cse_reg_info): Update a comment.
2517 2005-01-31 Steven Bosscher <stevenb@suse.de>
2520 * c-decl.c (start_decl): Do not warn about arrays of elements with
2521 an incomplete type here.
2522 (grokdeclarator): Do it here by making a pedwarn an error.
2523 * c-typeck.c (push_init_level): If there were previous errors with
2524 the constructor type, do not warn about braces for initializers.
2525 (process_init_element): Likewise for excess initializer elements.
2527 2005-01-31 Kazu Hirata <kazu@cs.umass.edu>
2529 * cse.c (delete_trivially_dead_insn): Don't iterate.
2531 2005-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2533 * config/rs6000/rs6000.md (copysignsf3): New expand.
2534 (copysigndf3): Likewise.
2536 2005-01-31 Steven Bosscher <stevenb@suse.de>
2538 * recog.c (constrain_operands): Only look for earlyclobber operand
2539 conflicts if an '&' constraint was seen.
2541 2005-01-31 Marc Espie <espie@openbsd.org>
2543 * config.gcc: Don't include embedded systems fragment, switches default
2544 debugging format to ELF.
2545 * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
2546 longer pick it up there.
2548 2005-01-31 Dale Johannesen <dalej@apple.com>
2550 * doc/extend.texi (nested functions): Fix linkage description.
2551 Clarify that static is not allowed.
2553 2005-01-31 Dale Johannesen <dalej@apple.com>
2555 * config/rs6000/darwin.md (movsf_low_di): Make work.
2556 (movdf_low_di): Make work.
2558 2005-01-31 Dale Johannesen <dalej@apple.com>
2560 * config/rs6000/darwin-tramp.asm (__trampoline_setup):
2561 Make work for 64 bit.
2563 2005-01-31 Roger Sayle <roger@eyesopen.com>
2564 Dale Johannesen <dalej@apple.com>
2567 * fold-const.c (fold_binary_op_with_conditional_arg):
2568 Make types match original operands, before STRIP_NOPS.
2570 2005-01-31 Alan Modra <amodra@bigpond.net.au>
2572 * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
2573 (struct gcc_regs): Rename from gcc_pt_regs. Add more regs.
2574 (struct gcc_sigcontext): Delete. Merge contents to..
2575 (struct gcc_ucontext): ..here.
2576 (get_sigcontext): Delete.
2577 (get_regs): New function, like get_sigcontext but return regs ptr.
2578 64-bit version finds regs from r1 to support vdso.
2579 (ppc_linux_aux_vector): New function.
2580 (ppc_fallback_frame_state): Modify for get_regs. Restore fprs
2583 2005-01-31 Ira Rosen <irar@il.ibm.com>
2585 * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
2587 (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
2588 redundant fold. Fix misalignment for MINUS_EXPR.
2589 (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
2590 (vect_analyze_pointer_ref_access): Likewise.
2591 (vect_get_memtag_and_dr): Likewise.
2593 2005-01-31 Richard Henderson <rth@redhat.com>
2595 * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
2596 (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
2597 absnegdf2_i387, absnegxf2_i387): Likewise.
2599 2005-01-31 Richard Henderson <rth@redhat.com>
2602 * optabs.c (expand_copysign_absneg): New.
2603 (expand_copysign_bit): Split out from ...
2604 (expand_copysign): ... here. Use expand_copysign_absneg.
2606 2005-01-30 Roger Sayle <roger@eyesopen.com>
2609 * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
2610 constant as the second operand and a register as the third.
2612 2005-01-31 Danny Smith <dannysmith@users.sourceforge.net>
2615 * config/i386/i386.c (ix86_function_ok_for_sibcall): Also check
2616 that dllimport'd functions do not use all call-clobbered registers
2619 2005-01-30 Richard Henderson <rth@redhat.com>
2622 * optabs.c (expand_absneg_bit): Split out from expand_unop and
2623 expand_abs_nojump and generalize. Use operand_subword and
2624 emit_no_conflict_block. Support large modes.
2625 (expand_abs_nojump): Use it. Use HONOR_SIGNED_ZEROS to fall
2627 (expand_unop): Likewise. Use HONOR_SIGNED_ZEROS to fall back
2628 negation to subtraction.
2629 (expand_copysign): Check that the format has signed zeros.
2630 Use operand_subword and emit_no_conflict_block. Support large modes.
2632 2005-01-30 Daniel Berlin <dberlin@dberlin.org>
2634 Fix PR tree-optimization/19624
2636 * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
2637 * tree-ssa-pre.c: Add cfgloop.h.
2639 (pre_stats): New member, constified.
2640 (inserted_exprs): New static variable.
2641 (NECESSARY): New macro.
2642 (create_expression_by_pieces): Fold the expression, and
2643 mark it as defaulting to not necessary. Also put in
2645 (fully_constant_expression): New function.
2646 (insert_into_preds_of_block): Modify to not insert phis when we
2647 are playing with induction variables.
2648 Push phis onto the inserted_exprs vector, and mark them as not
2649 necessary by default.
2650 (insert_aux): Call fully_constant_expression on eprime.
2651 If all edges produce the same value, mark it constant.
2652 (mark_operand_necessary): New function.
2653 (remove_dead_inserted_code): New function.
2654 (init_pre): Init loop optimizer to get loop info.
2655 (fini_pre): Free loop_optimizer, and inserted_exprs vec.
2656 (execute_pre): Commit edge inserts, then remove dead code.
2658 2005-01-30 Richard Henderson <rth@redhat.com>
2660 * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
2661 * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
2663 2005-01-30 Richard Henderson <rth@redhat.com>
2666 * config/i386/i386.c (ix86_expand_copysign): New.
2667 (ix86_split_copysign_const): New.
2668 (ix86_split_copysign_var): Rename from ix86_split_copysign,
2669 rearrange op1/nmask operands.
2670 * config/i386/i386-protos.h: Update.
2671 * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
2672 (copysigndf3): Likewise.
2673 (copysignsf3_const, copysigndf3_const): New.
2674 (copysignsf3_var): Rename from copysignsf3, split out splitter
2675 and fix split predicate for X constraint.
2676 (copysigndf3_var): Similarly.
2678 2005-01-30 Kazu Hirata <kazu@cs.umass.edu>
2680 * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
2681 doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
2682 doc/tm.texi, doc/tree-ssa.texi: Update copyright.
2684 2005-01-29 Richard Henderson <rth@redhat.com>
2687 * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
2688 of # and * in constraints.
2690 2005-01-29 Richard Henderson <rth@redhat.com>
2693 * expr.c (store_field): Don't strip sub-mode cast when the input
2694 data is even smaller.
2696 2005-01-29 Richard Henderson <rth@redhat.com>
2699 * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
2702 2005-01-29 Richard Henderson <rth@redhat.com>
2704 * combine.c (make_field_assignment): Fix argument order
2707 2005-01-29 Richard Guenther <richard.guenther@uni-tuebingen.de>
2709 PR tree-optimization/15791
2710 * fold-const.c (extract_array_ref): New function.
2711 (fold): Fold comparisons between &a[i] and &a[j] or
2712 semantically equivalent trees.
2714 2005-01-29 Jeff Law <law@redhat.com>
2716 * gcse.c (insert_expr_in_table): Revamp handling of available
2717 and anticipatable occurrence lists to avoid unnecessary list
2719 (insert_set_in_table): Similarly.
2721 2005-01-29 Joseph S. Myers <joseph@codesourcery.com>
2723 * c-common.c (fix_string_type): Just use c_build_qualified_type to
2725 (c_build_qualified_type): Build qualified array types with
2726 TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
2727 * c-decl.c (c_make_fname_decl): Build unqualified array type
2728 before qualified type.
2729 (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
2730 type is qualified, not just if type itself is. Don't apply
2731 qualifiers to array type when declarator is processed. Apply
2732 qualifiers to field type whether or not it is an array type.
2733 Don't handle array types specially for applying qualifiers to
2735 * c-typeck.c (composite_type): Build unqualified element type and
2736 array type when forming composite of array types.
2737 (common_pointer_type, comptypes, comp_target_types,
2738 type_lists_compatible_p, build_indirect_ref, build_array_ref,
2739 convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
2741 (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
2742 (args2) in variables a1 and a2.
2744 2005-01-29 Kazu Hirata <kazu@cs.umass.edu>
2746 * cse.c (n_elements_made, max_elements_made): Remove.
2747 (insert): Don't touch n_elements_made.
2748 (cse_main): Don't touch n_elements_made or max_elements_made.
2750 2005-01-28 Stephane Carrez <stcarrez@nerim.fr>
2753 * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
2754 configuration part of dp-bit.c to be lost.
2756 2005-01-28 Roger Sayle <roger@eyesopen.com>
2758 * expmed.c (expand_mult_highpart_optab): When attempting to use
2759 a non-widening multiplication in a wider mode, the operands need
2760 to be converted (zero or sign extended) to that mode.
2762 2005-01-28 Ian Lance Taylor <ian@airs.com>
2766 * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
2767 through if both operands fall through.
2769 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
2771 * cse.c (fold_rtx) <PC>: Don't optimize.
2773 2005-01-28 Jeff Law <law@redhat.com>
2775 * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
2776 (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
2778 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
2780 * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
2781 cse_reg_info_used_list_end): Remove.
2782 (cse_reg_info_list, cse_reg_info_list_free): New.
2783 (get_cse_reg_info): When allocating an instance of
2784 cse_reg_info, add it to the beginning of the cse_reg_info_list
2785 list. Remove code to maintain cse_reg_info_used_list.
2786 (new_basic_block): Reset the free list to the beginning of
2789 2005-01-28 Richard Sandiford <rsandifo@redhat.com>
2791 * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
2792 (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
2793 (frv_expand_mdpackh_builtin): New function.
2794 (frv_expand_builtin): Use it to expand __MDPACKH.
2795 * doc/extend.texi (__MDPACKH): Update documentation.
2797 2005-01-28 Uros Bizjak <uros@kss-loka.si>
2799 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
2800 SSE_FLOAT_MODE_P for use_sse computation.
2802 2005-01-28 Ralf Corsepius <ralf.corsepius@rtems.org>
2805 * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
2807 2005-01-27 Richard Henderson <rth@redhat.com>
2809 * builtins.c (expand_builtin_copysign): New.
2810 (expand_builtin): Call it.
2811 * genopinit.c (optabs): Add copysign_optab.
2812 * optabs.c (init_optabs): Initialize it.
2813 (expand_copysign): New.
2814 * optabs.h (OTI_copysign, copysign_optab): New.
2815 (expand_copysign): Declare.
2817 * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
2818 (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
2820 * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
2821 (ix86_expand_fp_absneg_operator): ... here.
2822 (ix86_split_copysign): New.
2823 * config/i386/i386-protos.h: Update.
2824 * config/i386/i386.md (UNSPEC_COPYSIGN): New.
2825 (copysignsf3, copysigndf3): New.
2827 * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
2828 (copysignsf3, ncopysignsf3): New.
2829 (copysigndf3, ncopysigndf3): New.
2830 (copysignxf3, ncopysignxf3): New.
2831 * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
2833 2005-01-27 Arend Bayer <arend.bayer@web.de>
2834 Kazu Hirata <kazu@cs.umass.edu>
2836 * cse.c: (find_best_addr): Don't call copy_rtx before calling
2837 fold_rtx. Save cost recomputation if fold_rtx did nothing.
2838 (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
2841 2005-01-27 Jeff Law <law@redhat.com>
2843 * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
2844 definitions of SSA_NAMEs which are not being rewritten.
2845 (rewrite_ssa_into_ssa): Only initialize the current definition
2846 of an SSA_NAME if that SSA_NAME has been marked for rewriting.
2847 If checking is enabled, assert that SSA_NAME_AUX is clear for all
2848 SSA_NAMEs before returning.
2850 2005-01-27 Kazu Hirata <kazu@cs.umass.edu>
2852 * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
2853 cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
2854 tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
2855 config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
2856 config/mips/iris6.h, config/sh/sh.c: Update copyright.
2858 2005-01-27 Steven Bosscher <stevenb@suse.de>
2861 * opts.c (decode_options): Move flag_thread_jumps from -O1 and
2862 higher to -O2 and higher. Likewise for tree PRE.
2863 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
2866 2005-01-27 Ian Lance Taylor <ian@airs.com>
2869 * gimple-low.c (try_catch_may_fallthru): New static function.
2870 (block_may_fallthru): Handle TRY_CATCH_EXPR.
2871 * tree-inline.c (expand_call_inline): Don't warn about reaching
2872 the end of a non-void function being inlined if the function uses
2875 2005-01-27 Jakub Jelinek <jakub@redhat.com>
2877 * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
2880 * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
2881 (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
2882 (implicitly_declare): Handle error_mark_node.
2884 2005-01-27 Richard Henderson <rth@redhat.com>
2887 * tree.h (struct tree_decl): Add debug_expr_is_from.
2888 (DECL_DEBUG_EXPR_IS_FROM): New.
2889 (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
2890 * dwarf2out.c (dwarf2out_var_location): Update to match.
2891 * tree-outof-ssa.c (create_temp): Likewise.
2892 * var-tracking.c (track_expr_p): Likewise.
2893 * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
2894 * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
2895 * toplev.c (default_tree_printer): Likewise.
2897 2005-01-27 Alexandre Oliva <aoliva@redhat.com>
2899 * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
2900 GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
2902 2005-01-27 Steven Bosscher <stevenb@suse.de>
2904 * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
2905 CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
2906 ASM_CLOBBERS): Add tree checks.
2908 * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
2909 (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
2910 * c-common.def (SWITCH_STMT): Update to match.
2911 * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
2912 macros instead of SWITCH_EXPR ones.
2913 * c-dump.c (c_dump_tree): Likewise.
2914 * c-gimplify.c (gimplify_switch_stmt): Likewise.
2915 * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
2917 * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
2919 2005-01-27 Alan Modra <amodra@bigpond.net.au>
2921 * unwind-dw2.c (execute_stack_op): Add missing cases for
2922 DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
2924 2005-01-27 Eric Botcazou <ebotcazou@libertysurf.fr>
2926 * config.gcc (Obsolete configurations): Remove 'dummy', add
2927 sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
2930 2005-01-26 Diego Novillo <dnovillo@redhat.com>
2932 PR tree-optimization/19633
2933 * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
2935 (maybe_create_global_var): Do not create .GLOBAL_VAR if there
2936 are no call-clobbered variables.
2937 * tree-outof-ssa.c (check_replaceable): Return false for calls
2940 2005-01-26 Ulrich Weigand <uweigand@de.ibm.com>
2942 * dbxout.c (dbxout_symbol_location): Resolve constant pool references
2943 even for variables with NULL DECL_INITIAL.
2945 2005-01-26 Stuart Hastings <stuart@apple.com>
2947 * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
2949 2005-01-26 Richard Henderson <rth@redhat.com>
2952 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2954 * expr.c (store_field): Strip conversions to odd-bit-sized types
2955 if the destination field width matches.
2957 2005-01-26 Richard Henderson <rth@redhat.com>
2959 * c-decl.c, expmed.c, expr.c: Revert last change.
2961 2005-01-26 Richard Henderson <rth@redhat.com>
2964 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2966 * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
2967 if we don't need the bits above those present in the current mode.
2968 * expr.c (store_field): Strip conversions to odd-bit-sized types
2969 if the destination field width matches.
2971 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
2973 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2974 either -ffast-math or -funsafe-math-optimizations is in use.
2976 2005-01-26 Marek Michalkiewicz <marekm@amelek.gda.pl>
2980 * config/avr/avr.c (notice_update_cc): Only set condition code for
2981 ashrqi3 if shift count > 0.
2982 (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
2983 (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
2984 ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
2985 count <= 0 as a no-op, and shift count >= width by copying zero
2986 or sign bit to all bits of the result.
2987 * config/avr/avr.md (all shifts): Add alternatives for zero shift
2988 count, with attribute "length" set to 0 and "cc" set to "none".
2990 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
2992 * doc/invoke.texi: Document -mTLS.
2994 * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
2995 * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
2996 * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
2997 * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
2998 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
2999 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
3000 * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
3001 * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
3003 * configure.ac: Check for a TLS capable gas.
3005 * configure: Regenerate.
3007 2005-01-26 Richard Henderson <rth@redhat.com>
3010 * combine.c (make_field_assignment): Simplify store to zero_extract
3011 from a source with an overlapping mask.
3013 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
3015 2004-11-11 Eric Christopher <echristo@redhat.com>
3017 * config/frv/frv.md: Add fr400_integer automaton. Don't
3018 allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
3021 2005-01-26 Steven Bosscher <stevenb@suse.de>
3024 * cfgbuild.c (make_edges): Do not clear or set
3025 current_function_has_computed_jump.
3026 * function.h (struct function): Remove the has_computed_jump field.
3027 (current_function_has_computed_jump): Do not define.
3028 * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
3029 in a computed jump. Ignore current_function_has_computed_jump.
3031 2005-01-26 Richard Henderson <rth@redhat.com>
3034 * expr.c (categorize_ctor_elements): New argument p_must_clear.
3035 (categorize_ctor_elements_1): Likewise. Detect a union that isn't
3037 (mostly_zeros_p): Update for new categorize_ctor_elements argument.
3038 * gimplify.c (gimplify_init_constructor): Likewise. Only shove
3039 objects into static storage if they have more than one non-zero value.
3040 * tree.h (categorize_ctor_elements): Update decl.
3042 2005-01-26 Steven Bosscher <stevenb@suse.de>
3045 * tree.h (CALL_EXPR_TAILCALL): Add comment.
3046 * calls.c (check_sibcall_argument_overlap_1): Revert the change
3047 to this function from 2004-07-10.
3048 * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
3049 the current function for tail call optimizations if the address
3050 of one of it its arguments is taken.
3052 2005-01-26 Kazu Hirata <kazu@cs.umass.edu>
3054 * cse.c (fold_rtx): Call equiv_constant only when necessary.
3056 2005-01-26 Bernd Schmidt <bernd.schmidt@analog.com>
3058 * function.c (expand_function_end): If current_function_calls_alloca,
3059 emit stack restore in a place that is reached when the function falls
3062 2005-01-26 Alexandre Oliva <aoliva@redhat.com>
3064 * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
3065 rule to avoid matching inappropriate suffix rule.
3067 2005-01-26 Jan Hubicka <jh@suse.cz>
3069 PR tree-optimization/19241
3070 * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
3072 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
3074 * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
3075 -lsyssim. Wrap -lc -lsyssim in --start-group --end-group instead
3077 (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
3078 <sim*>: Always use crt1.o, regardless of N in simN.
3079 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3080 (ENDFILE_SPEC): Add crtn.o, after crtend.o.
3081 (CRT_CALL_STATIC_FUNCTION): Remove.
3082 * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
3083 use crt1.o, regardless of N in simN.
3084 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3085 (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
3086 (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
3087 case isystem setting.
3088 (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
3090 2005-01-25 Ian Lance Taylor <ian@airs.com>
3092 * gimple-low.c (block_may_fallthru): Correct handling of
3093 SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
3095 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
3097 * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
3098 handlers to match indentation; nested under the mtune=* handler.
3099 Similar for mcpu= and march=.
3101 2005-01-25 Daniel Jacobowitz <dan@codesourcery.com>
3103 * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
3104 * config/mips/linux64.h (LIB_SPEC): Likewise.
3105 * config/mn10300/linux.h (LIB_SPEC): Likewise.
3106 * config/sh/linux.h (LIB_SPEC): Likewise.
3108 2005-01-25 Aldy Hernandez <aldyh@redhat.com>
3110 * config/frv/frv.c (frv_legitimize_tls_address): New.
3111 (TARGET_HAVE_TLS): Define.
3112 (FRV_SYMBOL_REF_TLS_P): Define.
3113 (frv_override_options): Handle new register classes.
3114 (frv_legitimate_address_p): Reject tls addresses.
3115 (frv_legitimize_address): Handle TLS addresses.
3116 (gen_inlined_tls_plt): New.
3118 (frv_legitimize_tls_address): New.
3119 (unspec_got_name): Add TLS entries.
3120 (got12_operand): Add R_FRV_TLSMOFF12 case.
3121 (frv_emit_move): Fixup TLS addresses.
3122 (frv_emit_movsi): Legitimize TLS addresses.
3124 * config/frv/frv.h (MASK_BIG_TLS): New.
3125 (TARGET_BIG_TLS): New.
3126 (HAVE_AS_TLS): Define.
3127 (TARGET_SWITCHES): Add -mTLS and -mtls options.
3128 (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
3129 (REG_CLASS_NAMES): Same.
3130 (REG_CLASS_CONTENTS): Same.
3131 (CONSTRAINT_LEN): New.
3132 (REG_CLASS_FROM_CONSTRAINT): New.
3133 (PREDICATE_CODES): Add symbolic_operand.
3135 * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
3136 UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
3137 UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
3138 UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
3139 R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
3140 R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
3141 R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
3142 GR9_REG, GR14_REG, LRREG.
3143 (type): Add load_or_call attribute.
3144 ("load_or_call"): New reservation.
3145 ("call_gettlsoff"): New.
3146 ("tls_indirect_call"): New.
3147 ("tls_load_gottlsoff12"): New.
3148 ("tlsoff_hilo"): New.
3149 ("tls_tlsdesc_ldd"): New.
3150 ("tls_tlsoff_ld"): New.
3153 * config/frv/frv-protos.h (symbolic_operand): Protoize.
3155 2005-01-25 Alexandre Oliva <aoliva@redhat.com>
3157 * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
3158 * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
3159 * config/frv/frv.c (TLS_BIAS): Define.
3160 (frv_output_dwarf_dtprel): New.
3162 2005-01-26 Jakub Jelinek <jakub@redhat.com>
3164 PR rtl-optimization/19579
3165 * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
3166 both A and B, see if they don't clobber registers the other expr uses.
3168 2005-01-25 J"orn Rennecke <joern.rennecke@st.com>
3170 * real.c (do_add): Initialize signalling and canonical members.
3172 * real.c (real_from_integer): Zero out destination.
3174 2005-01-18 Jan Hubicka <jh@suse.cz>
3176 PR tree-optimize/19337
3177 * tree-inline.c (initialize_inlined_parameters): Copy
3178 saved_static_chain_decl only.
3180 2005-01-25 Richard Henderson <rth@redhat.com>
3184 * config/i386/i386.c (x86_inter_unit_moves): Zero.
3185 (ix86_preferred_reload_class): Rewrite fp-constant section, with
3186 80387 enabled, to return a proper subclass. Return the subset that
3187 overlaps with GENERAL_REGS for PLUS.
3188 * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
3190 2005-01-25 Richard Henderson <rth@redhat.com>
3193 * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
3195 2005-01-25 Roger Sayle <roger@eyesopen.com>
3197 * expmed.c (choose_multiplier): Change interface to return the
3198 multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
3199 (expand_divmod): Update calls to choose_multiplier.
3201 2005-01-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3204 * expmed.c (extract_bit_field): Use adjust_address instead of
3205 gen_lowpart when op0 is a MEM.
3207 2005-01-24 Steven Bosscher <stevenb@suse.de>
3209 * cfgexpand.c (expand_gimple_tailcall): Fix typo.
3211 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
3213 * config/mips/irix-csr.c: New file.
3214 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3215 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3216 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3219 2005-01-24 Eric Botcazou <ebotcazou@libertysurf.fr>
3222 * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
3223 sparc/elf.h, add sparc/sp-elf.h.
3224 (sparc-*-rtems*): Likewise.
3225 (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
3226 tm-dwarf2.h, add sparc/sp-elf.h.
3227 (sparc86x-*-elf): Likewise.
3228 (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
3229 * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
3230 TARGET_OS_CPP_BUILTINS.
3231 * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3232 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3234 * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
3235 * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
3236 (SWITCH_TAKES_ARG): Likewise.
3237 (LOCAL_LABEL_PREFIX): Likewise.
3238 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3239 (TARGET_N_FORMAT_TYPES): Delete.
3240 (TARGET_FORMAT_TYPES): Likewise.
3241 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
3242 * config/sparc/elf.h: Delete.
3243 * config/sparc/sp-elf.h: New file.
3245 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
3247 * tree-flow-inline.h (phi_arg_from_edge): Remove.
3248 * tree-flow.h: Remove the corresponding prototype.
3249 * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
3250 tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
3252 2005-01-24 Jakub Jelinek <jakub@redhat.com>
3255 * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
3256 for AIX ABI or ELF -fPIC.
3257 (rs6000_emit_load_toc_table): Don't create toc_section here.
3258 (rs6000_xcoff_file_start): Nor here.
3260 2005-01-24 J"orn Rennecke <joern.rennecke@st.com>
3262 * sh.c (ra.h): Don't #include.
3263 (hard_regs_intersect_p): New function, resurrected from ra.c.
3265 * sh.c: Fix 1996 Copyright.
3267 2005-01-24 Richard Henderson <rth@redhat.com>
3268 Aldy Hernandez <aldyh@redhat.com>
3270 * regrename.c (note_sets): Handle subregs.
3272 2005-01-24 Joseph S. Myers <joseph@codesourcery.com>
3275 * genconditions.c (write_header, write_conditions): Elide file if
3278 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
3280 * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
3281 config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
3284 2005-01-24 Jakub Jelinek <jakub@redhat.com>
3286 * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
3287 expand_builtin_printf, expand_builtin_fprintf,
3288 expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
3289 checking against POINTER_TYPE.
3290 (validate_arglist): Handle POINTER_TYPE code by checking
3293 2005-01-24 Paolo Bonzini <bonzini@gnu.org>
3295 * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
3297 (for_each_rtx): Call for_each_rtx_1.
3298 * rtl.h (init_rtlanal): Declare.
3299 * toplev.c (backend_init): Call init_rtlanal.
3301 2005-01-24 Jakub Jelinek <jakub@redhat.com>
3303 * flow.c (propagate_one_insn): Formatting.
3306 * flow.c (libcall_dead_p): Be more conservative if unsure.
3307 If there are any instructions between insn and call, see if they are
3308 all dead before saying the libcall is dead.
3310 2005-01-24 Uros Bizjak <uros@kss-loka.si>
3312 * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
3313 operand constraint for operand 0.
3315 2005-01-23 Richard Henderson <rth@redhat.com>
3318 * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
3319 edges leading to join block.
3321 2005-01-23 Roger Sayle <roger@eyesopen.com>
3323 * expmed.c (expand_mult_highpart): Make static. Change type of
3324 constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
3325 (expand_divmod): Updates calls to expand_mult_highpart by using
3326 gen_int_mode to pass a CONST_INT rtx.
3327 * rtl.h (expand_mult_highpart): Remove prototype.
3329 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
3331 * flow.c (regset_bytes, regset_size): Remove.
3333 * cfganal.c: Fix a reference to Harvey's paper.
3335 2005-01-23 Steven Bosscher <stevenb@suse.de>
3337 PR rtl-optimization/19464
3338 * tree-optimize.c (init_tree_optimization_passes): Add one more
3339 copyrename pass just before out-of-ssa.
3341 2005-01-23 Joseph S. Myers <joseph@codesourcery.com>
3344 * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
3345 * ggc-none.c (ggc_free): Define.
3347 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
3349 * cse.c (max_reg, max_insn_uid): Remove.
3350 (cse_main): Don't access max_reg or max_insn_uid.
3352 * c-common.c (explicit_flag_signed_bitfields,
3353 lang_statement_code_p, lang_expand_function_end): Remove.
3354 * c-common.h: Remove the corresponding declarations.
3355 * c-opts.c (c_common_handle_option): Remove all write access
3356 to explicit_flag_signed_bitfields.
3358 * cgraph.c (cgraph_varpool_n_nodes): Remove.
3359 (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
3360 * cgraph.h: Remove the corresponding declaration.
3362 * gcse.c (null_pointer_info): Remove.
3364 2005-01-23 Roger Sayle <roger@eyesopen.com>
3365 Eric Botcazou <ebotcazou@libertysurf.fr>
3367 * combine.c (simplify_logical): Only simplify logical expressions
3368 of the form ior(and(x,y),z) by the inverse distributive law if the
3369 result is cheaper than the original.
3371 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
3373 * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
3374 fold-const.c, gimplify.c, params.h, tree-data-ref.c,
3375 tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
3376 tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
3377 config/freebsd-spec.h, config/arm/arm.h,
3378 config/h8300/h8300.md, config/i386/i386.md,
3379 config/i386/predicates.md, config/i386/sse.md,
3380 config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
3381 config/vax/vax.md: Fix comment typos. Follow spelling
3384 2005-01-23 Steven Bosscher <stevenb@suse.de>
3386 * gengtype.c (walk_type): Produce `not equal to' compares for loop
3387 tests, instead of `less than'.
3389 2005-01-23 Richard Sandiford <rsandifo@redhat.com>
3391 * function.c (assign_parm_setup_block): When creating a new stack slot
3392 for a parameter, get its alignment from the parameter's DECL_ALIGN
3393 rather than the type's TYPE_ALIGN. Make sure that the parameter
3394 is at least word aligned.
3396 2005-01-22 Roger Sayle <roger@eyesopen.com>
3399 * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
3401 2005-01-22 Richard Henderson <rth@redhat.com>
3404 * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
3405 in both compare operands.
3406 (movdfcc_1_sse_max): Likewise.
3407 (movsfcc_1_sse): Likewise. Add earlyclobber for scratch.
3408 (movdfcc_1_sse): Likewise.
3409 * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
3410 scratch register as needed.
3412 2005-01-22 Richard Henderson <rth@redhat.com>
3414 * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
3416 * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
3418 2005-01-22 Richard Henderson <rth@redhat.com>
3420 * genopinit.c (optabs): Use smin/smax for floating point too.
3421 * doc/md.texi: Update to match. Clarify that floating point
3422 results are undefined for +0/-0 and NaN.
3423 * doc/rtl.texi: Likewise.
3424 * rtl.def (SMIN, SMAX): Likewise
3425 * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
3427 * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
3428 leading 's' to the name.
3429 * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
3430 smaxxf3, sminxf3): Likewise.
3431 * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
3434 2005-01-22 Paul Brook <paul@codesourcery.com>
3436 * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
3438 2005-01-21 Mark Dettinger <dettinge@de.ibm.com>
3440 * config/s390/s390.c (struct processor_costs): New fields
3441 dlgr, dlr, dr, dsgfr, dsgr.
3442 (z900_cost, z990_cost): Values for new fields.
3443 (s390_rtx_costs): New cases MEM und COMPARE in switch
3444 statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
3445 DIV, MOD, UDIV, UMOD.
3447 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
3449 * config/s390/s390.md ("doloop_si64"): Reload input value directly
3450 into the register being decremented.
3451 ("doloop_si31", "doloop_di"): Likewise.
3452 ("*doloop_si_long"): Adapt pattern.
3454 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
3456 * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
3458 (CLASS_MAX_NREGS): Likewise.
3460 2005-01-21 Daniel Berlin <dberlin@dberlin.org>
3462 * doc/tree-ssa.texi (Statement Operands): Add example for new
3463 must-def macro. Note deprecation of old operands interface.
3465 2005-01-22 Richard Sandiford <rsandifo@redhat.com>
3467 PR tree-optimization/19484
3468 * tree-cfg.c (remove_fallthru_edge): New function.
3469 (cleanup_control_flow): Remove fallthru edges from calls that are
3470 now known not to return.
3472 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
3474 Fix PR tree-optimization/19038
3475 * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
3476 copies with loop variant ones.
3478 2005-01-22 Kazu Hirata <kazu@cs.umass.edu>
3480 * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
3481 config/alpha/alpha-protos.h, config/alpha/alpha.h,
3482 config/alpha/alpha.md, config/alpha/predicates.md,
3483 config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
3484 config/sparc/sol2.h: Update copyright.
3486 * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
3487 first label to see if it is a nonlocal label.
3489 2005-01-22 David Edelsohn <edelsohn@gnu.org>
3490 Andrew Pinski <pinskia@physics.uc.edu>
3493 * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
3494 maximum number of GPRs. Saturate n_fpr at maximum number of FPRs.
3496 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
3498 * config/rs6000/rtems.h: Update copyright.
3500 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
3503 * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
3504 (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
3505 (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
3507 2005-01-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3510 * c-typeck.c (convert_arguments): Check for error_mark_node.
3512 2005-01-21 Ian Lance Taylor <ian@airs.com>
3514 PR tree-optimization/13000
3515 * tree-inline.c: Include "tree-flow.h".
3516 (expand_call_inline): If warn_return_type, warn if non-void inline
3517 function falls through.
3518 * tree-cfg.c (execute_warn_function_return): Don't warn about
3519 control reaching end if TREE_NO_WARNING is set. Set
3521 * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
3523 * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
3524 branch if we don't need one.
3525 * c-typeck.c: Include "tree-flow.h"
3526 (c_finish_bc_stmt): Don't add a goto if the current statement
3527 list doesn't fall through to the current point.
3529 2005-01-21 Roger Sayle <roger@eyesopen.com>
3531 PR rtl-optimization/576
3532 * real.c (real_arithmetic): Change return type from void to bool
3533 to return an indication that the result may be inexact.
3534 * real.h (real_arithmeric): Update prototype.
3535 * fold-const.c (const_binop): Don't constant fold floating
3536 point expressions when the user specifies -frounding-math and
3537 the result may depend upon the run-time rounding mode.
3538 (fold_convert_const_real_from_real): Clean-up.
3539 (fold_initializer): Ignore flag_rounding_math for initializers.
3540 * simplify-rtx.c (simplify_binary_operation): Likewise, don't
3541 constant fold FP operations with flag_rounding_math if the
3542 result may depend upon the run-time rounding mode.
3544 2005-01-21 Tom Tromey <tromey@redhat.com>
3546 * c-cppbuiltin.c (define__GNUC__): Correct assertion.
3548 2005-01-21 Kazu Hirata <kazu@cs.umass.edu>
3550 * tree-cfg.c: Fix comment typos.
3552 2005-01-21 J"orn Rennecke <joern.rennecke@st.com>
3554 * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
3555 around the call to rest_of_handle_branch_target_load_optimize.
3557 2005-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3559 * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
3560 (sparc64-*-openbsd*): Likewise.
3561 (sparclite-*-elf*): Include tm-dwarf2.h.
3562 (sparc86x-*-elf*): Likewise.
3563 (sparc64-*-elf*): Likewise.
3564 * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
3565 (DBX_DEBUGGING_INFO): Likewise.
3566 * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
3567 (PREFERRED_DEBUGGING_TYPE): Likewise.
3568 * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3569 * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
3570 (PREFERRED_DEBUGGING_TYPE): Likewise.
3571 * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
3572 (PREFERRED_DEBUGGING_TYPE): Likewise.
3573 * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
3575 2005-01-21 Hans-Peter Nilsson <hp@bitrange.com>
3578 * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
3580 2005-01-20 Paul Brook <paul@codesourcery.com>
3582 * doc/rtl.texi: Document value extension requirements for CONST_INT.
3584 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
3586 * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
3587 label is first in a sequence of labels.
3589 * tree-cfg.c (tree_verify_flow_info): Fix a typo.
3591 2005-01-20 Janis Johnson <janis187@us.ibm.com>
3592 Giovanni Bajo <giovannibajo@gcc.gnu.org>
3594 * doc/sourcebuild.texi (Test Directives): New.
3596 2005-01-20 Roger Sayle <roger@eyesopen.com>
3598 * real.c (real_floor): Don't leave the result uninitialized when
3599 mode is VOIDMode, but return the unrounded intermediate value.
3600 (real_ceil): Likewise.
3602 2005-01-20 Paul Brook <paul@codesourcery.com>
3604 * config/arm/arm.md (insv): Use gen_int_mode.
3606 2005-01-20 Eric Botcazou <ebotcazou@libertysurf.fr>
3608 * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
3609 * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3610 * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3611 * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3612 * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3614 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
3617 * dwarf2out.c (concat_loc_descriptor): We don't know we can use
3618 fbreg, so we have to assume we can't.
3619 (loc_descriptor_from_tree_1): Ditto.
3620 (containing_function_has_frame_base): New function.
3621 (add_location_or_const_value_attribute): Use it.
3622 Also try to generate a frame_base from a single element location
3625 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
3627 PR tree-optimization/15349
3628 * timevar.def (TV_TREE_MERGE_PHI): New.
3629 * tree-cfg.c (tree_forwarder_block_p): Add a new argument
3631 (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
3632 calls to tree_forwarder_block_p.
3633 (remove_forwarder_block_with_phi, merge_phi_nodes,
3634 gate_merge_phi, pass_merge_phi): New.
3635 * tree-optimize.c (init_tree_optimization_passes): Add
3637 * tree-pass.h: Add an extern for pass_merge_phi;
3639 2005-01-20 Richard Henderson <rth@redhat.com>
3642 * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
3643 (_mm_castps_pd, _mm_castps_si128): New.
3644 (_mm_castsi128_ps, _mm_castsi128_pd): New.
3646 2005-01-20 Richard Henderson <rth@redhat.com>
3649 * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
3650 __builtin_ia32_vec_init_v2si.
3651 (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
3652 * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
3653 (ix86_init_mmx_sse_builtins): Create it.
3654 (ix86_expand_builtin): Expand it.
3655 (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
3656 * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
3657 (vec_extractv2si_0, vec_extractv2si_1): New.
3659 2005-01-20 Richard Henderson <rth@redhat.com>
3662 * config/i386/i386.c (ix86_expand_push): New.
3663 * config/i386/mmx.md (push<MMXMODE>1): New.
3664 * config/i386/sse.md (push<SSEMODE>1): New.
3665 * config/i386/i386-protos.h: Update.
3667 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
3669 * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
3672 2005-01-20 Richard Henderson <rth@redhat.com>
3674 * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
3675 * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
3677 2005-01-19 Richard Henderson <rth@redhat.com>
3680 * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
3681 to V4SFmode in SSE1 fallback load path.
3683 2005-01-19 Richard Henderson <rth@redhat.com>
3685 * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
3686 in QImode expansion to ix86_expand_vector_set.
3687 (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
3689 2005-01-19 Richard Henderson <rth@redhat.com>
3692 * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
3693 subclass of the input class.
3694 (ix86_secondary_memory_needed): Always true for cross-MMX classes.
3695 Always true for cross-SSE1 classes. Rationalize conditionals.
3696 * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
3697 * config/i386/i386.md (movsi_1): Add MMX/SSE zeros. Fix alternatives
3698 for SSE1. Don't check TARGET_INTER_UNIT_MOVES.
3699 (movdi_2): Add MMX/SSE zeros.
3700 (movdi_1_rex64): Likewise. Don't check TARGET_INTER_UNIT_MOVES.
3701 (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
3702 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3703 (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
3704 (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
3705 (zero_extendsidi2_rex64_1): Remove.
3706 (MOV0 peephole): Check GENERAL_REG_P.
3708 2005-01-19 Richard Henderson <rth@redhat.com>
3711 * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
3713 (ix86_expand_vector_extract): Likewise.
3715 2005-01-19 Richard Henderson <rth@redhat.com>
3718 * expr.c (emit_move_change_mode): New argument force; use
3719 simplify_gen_subreg if true.
3720 (emit_move_via_alt_mode): Merge into ...
3721 (emit_move_via_integer): ... here.
3722 (emit_move_ccmode): Use emit_move_change_mode directly.
3724 2005-01-19 Richard Henderson <rth@redhat.com>
3727 * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
3728 (alpha_preferred_reload_class): Handle CONST_VECTOR.
3729 (alpha_emit_set_const_1): Add no_output parameter; don't emit
3731 (alpha_emit_set_const): Likewise. Make static.
3732 (alpha_emit_set_long_const): Make static.
3733 (alpha_extract_integer): Split out from alpha_expand_mov.
3734 (alpha_split_const_mov): Likewise.
3735 (alpha_expand_mov): Use them. Handle CONST_VECTOR.
3736 (alpha_legitimate_constant_p): New.
3737 * config/alpha/alpha-protos.h: Update.
3738 * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
3739 (LEGITIMATE_CONSTANT_P): Re-implement with a function.
3740 * config/alpha/alpha.md (movsi): Add n alternative.
3741 (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
3742 (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
3743 (splitters for all of the above): Use alpha_split_const_mov.
3744 * config/alpha/predicates.md (non_add_const_operand): New.
3745 (non_zero_const_operand): New.
3746 (input_operand): Use alpha_legitimate_constant_p after reload.
3748 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
3750 PR tree-optimization/19038
3751 * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
3752 (add_candidate): Add ivs with increment in latch only if
3753 allow_ip_end_pos_p is true.
3754 (determine_iv_cost): Use empty_block_p.
3756 2005-01-19 Daniel Berlin <dberlin@dberlin.org>
3758 * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
3759 (compute_dominance_frontiers): Ditto.
3761 2005-01-19 Ralf Corsepius <ralf.corsepius@rtems.org>
3764 * config/sh/t-rtems: New.
3765 * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
3767 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
3769 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
3770 the offset of the selected field.
3772 2005-01-19 Kazu Hirata <kazu@cs.umass.edu>
3774 * tree-cfg.c (remove_forwarder_block): Fix the check to
3775 prevent a nonlocal label from appearing in the middle of a
3778 2005-01-19 Hans-Peter Nilsson <hp@axis.com>
3780 PR rtl-optimization/19462
3781 * reorg.c (find_end_label): Create return insn only if
3782 current_function_epilogue_delay_list is empty.
3784 2005-01-19 Paolo Bonzini <bonzini@gnu.org>
3786 * doc/passes.texi: Remove paragraph mentioning new-ra.
3788 2005-01-19 Jakub Jelinek <jakub@redhat.com>
3790 PR rtl-optimization/15139
3791 * combine.c: Include params.h.
3792 (count_rtxs): New function.
3793 (record_value_for_reg): If replace_rtx would replace at least
3794 2 occurrences of REG in VALUE and TEM is really large, replace REG with
3795 (clobber (const_int 0)) instead of TEM.
3796 * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
3797 * params.h (MAX_LAST_VALUE_RTL): New.
3798 * Makefile.in (combine.o): Depend on $(PARAMS_H).
3799 * doc/invoke.texi (--param max-last-value-rtl=N): Document.
3802 * c-typeck.c (digest_init): Only call build_vector if all constructor
3803 elements are *_CST nodes.
3804 * gimplify.c (gimplify_init_constructor): Likewise.
3807 * c-typeck.c (digest_init): Only call build_vector if inside_init
3810 2005-01-18 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
3812 * toplev.c (init_asm_output): Remove dead #ifdef.
3814 2005-01-18 Kaz Kojima <kkojima@gcc.gnu.org>
3816 * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
3818 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
3820 * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
3821 accessing DECL_FUNCTION_CODE.
3822 * dojump.c (do_jump): Likewise.
3823 * gimplify.c (gimplify_call_expr): Likewise.
3824 * predict.c (expr_expected_value): Likewise.
3825 (strip_builtin_expect): Likewise.
3826 * tree-inline.c (estimate_num_insns_1): Likewise.
3827 * tree-ssa-loop-im.c (stmt_cost): Likewise
3828 * fold-const.c (fold): Test for BUILT_IN_NORMAL.
3829 (tree_expr_nonnegative_p): Likewise.
3831 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
3833 * config/sparc/sparc.c (load_pic_register): Emit the appropriate
3834 variant of the load_pcrel_sym pattern.
3835 * config/sparc/sparc.md (P macro): Move to the top.
3836 (load_pcrel_sym): Macroize using P.
3837 (save_register_window): Likewise.
3839 2005-01-18 Aldy Hernandez <aldyh@redhat.com>
3841 * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
3844 2005-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3847 * c-typeck.c (build_asm_expr): Strip nops off
3848 input memory operands.
3850 2005-01-18 David Edelsohn <edelsohn@gnu.org>
3852 * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
3853 _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
3854 * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
3855 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
3857 2005-01-18 Joel Sherrill <joel.sherrill@oarcorp.com>
3860 * config/i386/i386.c (override_options): If the 80387 is disabled,
3861 then do not return FP values using FP registers.
3863 2005-01-18 Kazu Hirata <kazu@cs.umass.edu>
3865 * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
3866 c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
3867 combine.c, config.gcc, coverage.h, cse.c, cselib.c,
3868 defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
3869 flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
3870 gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
3871 output.h, postreload-gcse.c, postreload.c, recog.c,
3872 resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
3873 targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
3874 tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
3875 tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
3876 tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
3877 tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
3878 tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
3879 unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
3881 * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
3882 config/alpha/alpha.c, config/arm/vfp.md,
3883 config/i386/emmintrin.h, config/i386/i386-modes.def,
3884 config/i386/i386-protos.h, config/i386/i386.h,
3885 config/i386/pmmintrin.h, config/i386/ppro.md,
3886 config/i386/predicates.md, config/i386/xmmintrin.h,
3887 config/i860/i860.c, config/ia64/ia64-modes.def,
3888 config/ia64/ia64-protos.h, config/ia64/ia64.h,
3889 config/ia64/ia64.md, config/ia64/itanium1.md,
3890 config/ia64/itanium2.md, config/ia64/predicates.md,
3891 config/iq2000/iq2000.h, config/mips/linux64.h,
3892 config/rs6000/aix41.h, config/rs6000/aix43.h,
3893 config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
3894 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3895 config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
3896 config/sparc/linux64.h, config/sparc/litecoff.h,
3897 config/sparc/sp64-elf.h, config/sparc/sparc.c,
3898 config/sparc/sparc.h, config/sparc/sparc.md,
3899 config/sparc/sysv4-only.h: Update copyright.
3901 2005-01-18 Richard Henderson <rth@redhat.com>
3904 * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
3906 2005-01-18 Marc Espie <espie@openbsd.org>
3907 * config/i386/openbsdelf.h: Typo.
3909 2005-01-18 Richard Henderson <rth@redhat.com>
3911 * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
3912 special case for sse.
3913 * config/i386/predicates.md (sse_comparison_operator): Likewise.
3915 2005-01-18 Dorit Naishlos <dorit@il.ibm.com>
3917 * tree-inline.c (estimate_num_insns_1): Added cases for
3918 ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
3920 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
3922 PR rtl-optimization/19296
3923 * combine.c (simplify_comparison): Rewrite the condition under
3924 which a non-paradoxical SUBREG of a PLUS can be lifted when
3925 compared against a constant.
3927 2005-01-18 Andi Kleen <ak@muc.de>
3929 * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
3930 * c.opt (-Wpointer-sign): Add.
3931 * doc/invoke.texi: (-Wpointer-sign): Add.
3933 2005-01-18 Uros Bizjak <uros@kss-loka.si>
3935 * config/i386/i386.c (override_options): Revert 2004-11-24 change.
3936 * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
3937 *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
3938 logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
3939 exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
3940 nearbyintsf2): Disable for TARGET_SSE_MATH. Leave patterns enabled
3941 for TARGET_MIX_SSE_I387.
3942 (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
3943 sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
3944 atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
3945 log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
3946 floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
3947 (TARGET_SSE2 && TARGET_SSE_MATH). Leave patterns enabled for
3948 TARGET_MIX_SSE_I387.
3949 (atan2sf3, atan2df3, atan2xf3): Remove register constraints
3952 2005-01-18 Uros Bizjak <uros@kss-loka.si>
3955 * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
3956 Add movaps alternative for xmm reg->reg move.
3958 2005-01-17 Jeff Law <law@redhat.com>
3960 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
3961 at the end of the main DOM loop rather than just before DOM exits.
3963 2005-01-17 Diego Novillo <dnovillo@redhat.com>
3965 PR tree-optimization/19121
3966 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
3967 adding aliases to a name tag, also add them to the pointer's
3969 * tree-ssa-copy.c (merge_alias_info): Do not merge flow
3970 sensitive alias info at all. Only check that the two pointers
3971 have compatible pointed-to sets.
3972 * tree-ssa.c (verify_name_tags): Verify that the alias set of
3973 a pointer's type tag is a superset of the alias set of the
3976 2005-01-17 James E Wilson <wilson@specifixinc.com>
3979 * config/ia64/ia64.md (movxf): Handle general register source. Adjust
3980 comment to document why.
3982 2005-01-17 Richard Henderson <rth@redhat.com>
3984 * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
3985 sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
3986 sse2_vmsmaxv2df3_finite, sminv2df3_finite,
3987 sse2_vmsminv2df3_finite): New.
3988 (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
3989 sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
3990 Force op1 into register.
3992 2005-01-17 Kelley Cook <kcook@gcc.gnu.org>
3994 * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
3995 bubblestrap from always rebuilding build directory.
3997 2005-01-17 Ulrich Weigand <uweigand@de.ibm.com>
3999 * config/s390/s390.md ("*clc"): Remove incorrect '='.
4000 ("*cmpmem_short"): Likewise.
4002 2005-01-17 Steven Bosscher <stevenb@suse.de>
4004 * basic-block.h: Document BB_* flags.
4005 * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
4006 use an sbitmap instead.
4007 * sched-rgn.c (compute_trg_info): Likewise.
4009 2005-01-17 Richard Sandiford <rsandifo@redhat.com>
4011 * config.gcc (mips64*-*-linux*): Set the default abi to n32. Remove
4012 redundant target_cpu_default and extra_parts lines. Use the default
4014 * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
4015 (SUBTARGET_EXTRA_SPECS): Delete.
4016 (DRIVER_SELF_SPECS): Remove architecture lines. Set the ABI directly.
4017 (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
4018 * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
4019 and "n32" for -mabi=n32.
4021 2005-01-17 Ian Lance Taylor <ian@airs.com>
4024 * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
4025 fold constant variables into initial values.
4027 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
4029 * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
4031 * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
4032 through the statements backward.
4034 2005-01-17 Ian Lance Taylor <ian@airs.com>
4036 PR middle-end/13127:
4037 * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
4038 a variable set to the return value of the inlined function.
4040 2005-01-17 Mark Dettinger <dettinge@de.ibm.com>
4042 * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
4043 when modes are tieable.
4045 2005-01-17 Ranjit Mathew <rmathew@hotmail.com>
4047 * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
4048 of pthread_create to find out if threads are enabled.
4049 * gthr-posix95.h (__gthread_active_p): Likewise.
4051 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
4053 * common.opt (-fnew-ra): Remove.
4055 * toplev.h (flag_new_regalloc): Remove.
4056 * Makefile.in (ra*.*): Don't mention.
4057 * passes.c (rest_of_handle_new_regalloc): Remove.
4058 (rest_of_handle_combine, rest_of_compilation): Always consider
4059 flag_new_regalloc as false.
4060 * doc/invoke.texi: Don't document -fnew-ra.
4062 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
4064 * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
4065 last parameter to reg_scan.
4066 * loop.c (loop_optimize): Likewise.
4067 * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
4068 rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
4069 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
4070 rest_of_handle_gcse, rest_of_handle_loop_optimize,
4071 rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
4072 * regclass.c (reg_scan): Likewise, for the declaration.
4073 * rtl.h (reg_scan): Likewise, for the prototype.
4075 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
4077 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
4078 mark_dfs_back_edges.
4080 2005-01-16 Daniel Berlin <dberlin@dberlin.org>
4082 * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
4083 (compute_avail): Uses don't go in tmp_gen.
4085 2005-01-16 Steven Bosscher <stevenb@suse.de>
4087 * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
4088 loop to look for a free slot in a page entry.
4090 2005-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4093 * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
4094 * toplev.c (compile_file): Call process_pending_assemble_output_defs
4095 just before targetm.asm_out.file_end.
4096 * tree.h (process_pending_assemble_output_defs): Declare.
4097 * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
4099 (assemble_alias): Defer generation of assembly code for defines when
4100 TARGET_DEFERRED_OUTPUT_DEFS is true.
4101 * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4102 * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4103 * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
4105 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4108 * pa.c (pa_scalar_mode_supported_p): New function.
4109 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4110 * pa.h (MIN_UNITS_PER_WORD): Add comment.
4112 * pa-protos.h (prefetch_operand): Delete.
4113 (prefetch_cc_operand, prefetch_nocc_operand): New declations.
4114 * pa.c (prefetch_operand): Delete.
4115 (prefetch_cc_operand, prefetch_nocc_operand): New functions.
4116 * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
4117 (PREDICATE_CODES): Delete prefetch_operand. Add prefetch_cc_operand
4118 and prefetch_nocc_operand.
4119 * pa.md (prefetch): Rework to avoid reload problems handling short
4120 displacements when a cache control completer needs to be provided.
4121 (prefetch_32, prefetch_64): Delete.
4122 (prefetch_cc, prefetch_nocc): New patterns.
4124 2005-01-15 David Edelsohn <edelsohn@gnu.org>
4126 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
4128 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4131 * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
4132 exceeds maximum alignment for global common data.
4133 * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
4134 * som.h (MAX_OFILE_ALIGNMENT): Likewise.
4136 2004-01-15 Roger Sayle <roger@eyesopen.com>
4138 * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
4140 2004-01-15 Roger Sayle <roger@eyesopen.com>
4142 * harg-reg-set.h (reg_class_names): Prototype global array.
4143 * regclass.c (reg_class_names): Declare here and initialize to
4145 (dump_regclass): Remove local declaration of reg_class_names.
4146 (regclass): Likewise.
4147 * cfg.c (dump_flow_info): Likewise.
4148 * ra-debug.c (reg_class_names): Likewise.
4149 * regrename.c (reg_class_names): Likewise.
4150 * reload.c (reg_class_names): Likewise.
4151 * reload1.c (spill_failure): Likewise.
4152 * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
4154 2005-01-15 Ulrich Weigand <uweigand@de.ibm.com>
4156 * config/s390/s390.md ("reload_outti"): Remove predicate for
4157 output operand. Abort if operand is not a MEM.
4158 ("reload_outdi", "reload_outdf"): Likewise.
4160 2005-01-15 Marc Espie <espie@openbsd.org>
4162 * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
4163 (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
4164 * config/openbsd.h: Fix C++ includes for native configurations.
4165 Add proper OS_CPP_BUILTINS. Fix libspec for recent OpenBSD.
4166 Add trampoline support.
4167 * config/i386/openbsdelf.h: New.
4169 2005-01-15 Marc Espie <espie@openbsd.org>
4171 * collect2.c (main): Explicitly parse -dynamic-linker option.
4173 2005-01-15 Jakub Jelinek <jakub@redhat.com>
4175 PR tree-optimization/19060
4176 * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
4177 Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
4178 (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
4179 and handle extract_range_from_cond returning false.
4180 * fold-const.c (fold): Optimize comparisons with min/max even for
4181 width > HOST_BITS_PER_WIDE_INT.
4183 2005-01-15 Ralf Corsepius <ralf.corsepius@rtems.org>
4185 * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
4186 * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
4187 Remove little endian multilib variants.
4188 Add mips32 multilib variant.
4190 2005-01-15 Kazu Hirata <kazu@cs.umass.edu>
4192 * explow.c (copy_all_reg, stabilize): Remove.
4193 * expr.h: Remove the corresponding prototypes.
4195 * rtlanal.c (regs_set_between_p): Remove.
4196 * rtl.h: Remove the corresponding prototype.
4198 2005-01-14 David Edelsohn <edelsohn@gnu.org>
4200 * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
4201 to rs6000_nonimmediate_operand.
4202 * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
4203 rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
4204 * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
4205 rs6000_nonimmediate_operand.
4206 * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
4207 rs6000_nonimmediate_operand.
4209 2005-01-14 Andrew Pinski <pinskia@physics.uc.edu>
4211 * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
4213 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
4215 * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
4217 (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
4218 (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
4220 * config/rs6000/rs6000.c (invalid_e500_subreg): New.
4221 (rs6k_nonimmediate_operand): New.
4222 (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
4224 (legitimate_lo_sum_address_p): Same.
4225 (rs6000_legitimize_address): Same.
4226 (rs6000_legitimize_reload_address): Same.
4227 (rs6000_legitimate_address): Same.
4228 (spe_build_register_parallel): Pass DF and DC modes in a DI
4231 * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
4232 to rs6k_nonimmediate_operand.
4234 * config/rs6000/spe.md ("*frob_df_di"): New.
4235 ("*frob_di_df"): New.
4236 ("*frob_di_df_2"): New.
4237 ("*mov_sidf_e500_subreg0"): New.
4238 ("*mov_sidf_e500_subreg4"): New.
4239 ("*movdf_e500_double"): Change predicate to
4240 rs6k_nonimmediate_operand.
4242 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
4244 * postreload.c (move2add_note_store): Only call
4245 trunc_int_for_mode on scalar integers.
4247 2005-01-14 Steven Bosscher <stevenb@suse.de>
4249 * tree-ssa-dce.c (visited_control_parents): New sbitmap to
4250 replace BB_VISITED uses.
4251 (find_obviously_necessary_stmts): Don't clear BB_VISITED.
4252 (propagate_necessity): Check the bitmap instead of BB_VISITED.
4253 (tree_dce_done): Free visited_control_parents.
4254 (perform_tree_ssa_dce): Allocate and clear it.
4255 * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
4256 (compute_antic): Iterate from here using a DFS. Use an sbitmap
4257 instead of BB_VISITED.
4259 2005-01-14 Kazu Hirata <kazu@cs.umass.edu>
4261 * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
4262 rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
4263 Remove unused prototypes.
4265 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
4267 * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
4268 64-bit register usage.
4269 (spe_func_has_64bit_regs_p): Add FIXME note.
4271 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
4273 * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
4274 flag_finite_math_only with flag_unsafe_math_optimizations.
4276 2005-01-14 J. D. Johnston <jjohnst@us.ibm.com>
4278 * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
4280 (__tpf_eh_return): Copy TPF private stack area from the module
4281 boundary stack frame. Add check for when module addresses are
4282 equal, but no stub address is found.
4284 2005-01-14 Richard Earnshaw <rearnsha@arm.com>
4287 * arm.h (struct machine_function): Add call_via field.
4288 (thumb_call_via_label): Declare.
4289 * arm.c (thumb_call_via_label): New variable.
4290 (thumb_call_reg_needed): New variable.
4291 (arm_output_function_epilogue): For Thumb code, output any per-function
4292 call-indirect trampolines.
4293 (thumb_call_via_reg): New function.
4294 (arm_file_end): New function.
4295 (TARGET_ASM_FILE_END): Call arm_file_end.
4296 (aof_file_end): Likewise.
4297 * arm-protos.h (thumb_call_via_reg): Declare.
4298 * arm.md (call_reg_thumb, call_value_reg_thumb): Call
4299 thumb_call_via_reg in normal case.
4301 2005-01-14 Jakub Jelinek <jakub@redhat.com>
4304 PR rtl-optimization/19348
4305 * recog.c (peephole2_optimize): Do global life update if some peephole
4306 decides it doesn't need at least one of its inputs and that change
4307 influences liveness at the start of the basic block.
4309 * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
4310 arguments instead of 1.
4312 2005-01-14 Eric Botcazou <ebotcazou@libertysurf.fr>
4315 * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
4316 zero for nested functions needing a static chain or functions
4317 with a non-constant address.
4319 2005-01-13 Roger Sayle <roger@eyesopen.com>
4321 * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
4322 (and (sign_extend X) C) into (zero_extend (and X C)).
4324 2005-01-13 David O'Brien <obrien@FreeBSD.org>
4326 * config/freebsd-spec.h: Make KSE pthread lib logic the default.
4328 2005-01-13 Richard Henderson <rth@redhat.com>
4333 * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
4334 bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
4335 not just TARGET_SSE.
4336 (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns.
4337 (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
4338 (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
4339 (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
4340 (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
4341 (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
4342 (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
4343 fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
4344 (movdicc_c_rex64): Rename with '*'.
4345 (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
4346 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
4347 (movsfcc_1_387): Rename from movsfcc_1.
4348 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
4349 (movdfcc_1, movdfcc_1_rex64): Add check for 387.
4350 (sminsf3, smaxsf3, smindf3, smaxdf3): New.
4351 (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
4352 mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
4353 maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
4354 sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
4355 sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
4356 sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
4357 sse_movdfcc_const0_4): Remove.
4358 * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
4359 recognize min/max early. Update for changed sse cmove patterns.
4360 (ix86_split_sse_movcc): New.
4361 * config/i386/i386-protos.h: Update.
4363 2005-01-13 Steven Bosscher <stevenb@suse.de>
4365 * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
4366 (fix_stmt_v_may_defs): Likewise.
4368 2005-01-13 Richard Henderson <rth@redhat.com>
4370 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
4371 for converting the mask.
4373 2005-01-13 David Edelsohn <edelsohn@gnu.org>
4375 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
4378 2005-01-13 Richard Henderson <rth@redhat.com>
4380 * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
4381 IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
4382 IX86_BUILTIN_MOVDQ2Q): Remove.
4383 (IX86_BUILTIN_VEC_EXT_V4SI): New.
4384 (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
4385 (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
4387 * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
4388 (sse2_pextrw): Fix immediate constraint.
4389 (sse2_loadq, sse2_loadq_rex64): Remove.
4390 * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
4391 Use __builtin_ia32_vec_ext_<size>.
4392 (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
4394 2005-01-13 Aldy Hernandez <aldyh@redhat.com>
4396 * function.c (assign_parm_setup_block): Look inside original
4397 entry_parm when inspecting PARALLEL.
4399 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
4400 Joel Sherrill <joel@oarcorp.com>
4403 * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
4404 (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
4405 rtems_gxx_recursive_mutex_init.
4406 (__gthread_recursive_mutex_lock): New function.
4407 (__gthread_recursive_mutex_trylock): Likewise.
4408 (__gthread_recursive_mutex_unlock): Likewise.
4410 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
4412 * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
4414 2005-01-13 Jan Beulich <jbeulich@novell.com>
4416 * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
4417 (ashrti3_internal): Indicate output is early clobber. Generate result
4418 into output rather than first input. Use move for low word of output
4419 if shift count is exactly 64.
4420 (lshrti3_internal): Likewise.
4422 2005-01-13 Hans-Peter Nilsson <hp@bitrange.com>
4426 * reload1.c (delete_output_reload): Don't delete an output reload
4427 if the pseudo lives longer than a single basic block. Adjust and
4428 improve wording of comment.
4430 2005-01-12 Andrew Pinski <pinskia@physics.uc.edu>
4433 * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
4434 of TYPE_SIZE where we mean the number of bytes.
4436 2005-01-12 Aldy Hernandez <aldyh@redhat.com>
4438 * function.c (assign_parm_setup_block): Relax condition on
4439 multi-register optimization.
4441 2005-01-12 Nick Clifton <nickc@redhat.com>
4443 * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
4444 an "in_delay_slot" attribute of "no" to prevent them being used in
4445 delay slots. This is forbidden because they might generate
4448 2005-01-12 Alan Modra <amodra@bigpond.net.au>
4451 * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
4454 2005-01-12 Nick Clifton <nickc@redhat.com>
4456 * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
4457 passed on to GAS) but do not define, as GAS no longer supports or
4458 needs the -m2000 option.
4460 2005-01-11 Roger Sayle <roger@eyesopen.com>
4462 * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
4463 type as args of unprototyped builtins aren't automatically promoted.
4464 (fold_builtin_abs): Likewise.
4466 2005-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4468 * Makefile.in: Set a `build-warn' variable.
4470 2005-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4472 PR tree-optimization/17949
4473 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
4474 (find_interesting_uses_address): Use it.
4476 2005-01-11 Aldy Hernandez <aldyh@redhat.com>
4478 * regrename.c (kill_value): Handle subreg's that won't simplify.
4480 2005-01-11 Richard Henderson <rth@redhat.com>
4483 * config/i386/i386.h (enum ix86_builtins): Move ...
4484 * config/i386/i386.c: ... here.
4485 (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
4486 IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
4487 IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
4488 IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
4489 IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD, IX86_BUILTIN_STOREHPD,
4490 IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
4491 IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
4492 IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
4493 IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
4494 IX86_BUILTIN_LOADDDUP): Remove.
4495 (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
4496 IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
4497 IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
4498 IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
4499 IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
4500 (ix86_init_builtins): Make static.
4501 (ix86_init_mmx_sse_builtins): Update for changed builtins.
4502 (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
4503 if all the modes match. Otherwise, fake it.
4504 (get_element_number, ix86_expand_vec_init_builtin,
4505 ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
4506 (ix86_expand_builtin): Make static. Update for changed builtins.
4507 (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
4508 operand instead of sse2_loadsd. Cast sse1 fallback to V4SFmode.
4509 (ix86_expand_vector_init_duplicate): New.
4510 (ix86_expand_vector_init_low_nonzero): New.
4511 (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
4512 Split out from ix86_expand_vector_init; handle integer modes.
4513 (ix86_expand_vector_init): Use them.
4514 (ix86_expand_vector_set, ix86_expand_vector_extract): New.
4515 * config/i386/i386-protos.h: Update.
4516 * config/i386/predicates.md (reg_or_0_operand): New.
4517 * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
4518 (movv2sf_internal): Likewise. And a splitter to match them all.
4519 (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
4520 vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
4521 vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
4522 vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
4523 (mmx_pinsrw): Fix operand ordering.
4524 * config/i386/sse.md (movv4sf splitter): Use direct pattern,
4525 rather than sse_loadss expander.
4526 (movv2df splitter): Similarly.
4527 (sse_loadss, sse_loadlss): Remove.
4528 (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
4529 (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
4530 (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
4531 (sse3_movddup): Rename with '*'.
4532 (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
4533 (sse2_loadsd): Remove.
4534 (vec_dupv2df_sse3): Rename from sse3_loadddup.
4535 (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
4536 (sse2_pinsrw): Fix argument ordering.
4537 (sse2_loadld, sse2_loadq): Add sse1 alternatives.
4538 (sse2_stored): Remove 'r' destination.
4539 (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
4540 vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
4541 vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
4542 vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
4543 vec_extractv16qi, vec_initv16qi): New.
4545 * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
4546 (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
4547 _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
4549 (_mm_load_pd, _mm_store_pd): Use plain dereference.
4550 (_mm_load_si128, _mm_store_si128): Likewise.
4551 (_mm_load1_pd): Use _mm_set1_pd.
4552 (_mm_load_sd): Use _mm_set_sd.
4553 (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
4554 (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
4555 (_mm_set_epi64): Use _mm_set_epi64x.
4556 (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
4557 _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
4558 _mm_setr_epi8): Use _mm_set_foo form.
4559 (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
4560 (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
4561 (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
4562 (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
4563 * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
4564 (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
4565 (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
4566 (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
4567 (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
4568 * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
4569 (_mm_movedup_pd): Use _mm_shuffle_pd.
4570 * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
4571 _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
4572 (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
4573 _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
4575 (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
4576 (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
4577 (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
4578 (_mm_store_ps): Use raw dereference.
4579 (_mm_store1_ps): Use _mm_storeu_ps.
4580 (_mm_storer_ps): Use _mm_store_ps.
4581 (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
4582 (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
4584 2005-01-11 Stan Shebs <shebs@apple.com>
4586 * config/rs6000/rs6000.c (machopic_output_stub): Issue
4587 ldu instead of lwzu if 64-bit -mdynamic-no-pic.
4589 2005-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4592 * config/rs6000/rs6000.c (rs6000_special_round_type_align):
4593 Skip all DECLs except for FIELD_DECLs.
4595 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
4597 * config/s390/s390.c (override_options): Return error if
4598 -mbackchain, -mpacked-stack and -mhard-float are used together.
4599 (s390_va_start): Remove the backchain && packed-stack special case.
4600 (s390_gimplify_va_arg): Likewise.
4601 * doc/invoke.texi: Remove the ABI incompatibility note.
4603 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
4605 * config/s390/s390.c (struct s390_frame_layout): Remove
4607 (s390_frame_info, s390_emit_prologue): Replace occurrences of
4608 save_backchain_p with TARGET_BACKCHAIN.
4610 2005-01-11 Alan Modra <amodra@bigpond.net.au>
4613 * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
4614 * expr.h (struct locate_and_pad_arg_data): Add "boundary".
4615 * function.c (locate_and_pad_parm): Set new field.
4616 (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
4617 Tweak where_pad test to include "none". Always set mem align for
4619 (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
4620 not sufficient for type.
4621 (assign_parm_setup_block): If stack_parm is zero on entry, always
4622 make a new stack local. Block move old stack parm if necessary
4623 to new aligned stack local.
4624 (assign_parm_setup_stack): Use a block move to handle
4625 potentially misaligned entry_parm.
4626 (assign_parms_unsplit_complex): Specify required alignment when
4627 creating stack local.
4628 * calls.c (compute_argument_addresses): Override alignment of stack
4629 arg calculated from its type with the alignment given by
4630 FUNCTION_ARG_BOUNDARY.
4631 (store_one_arg): Likewise.
4633 2005-01-11 Jan Beulich <jbeulich@novell.com>
4635 * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
4636 Change respective itanium_class attribute to ialu.
4637 (shladdp4_internal): New.
4638 * config/ia64/predicates.md (shladd_log2_operand): New.
4640 2005-01-11 Richard Henderson <rth@redhat.com>
4642 * expr.c (store_constructor): Use rtvec_alloc instead of
4643 alloca+gen_rtvec_v, and an incorrect number passed to alloca.
4645 2005-01-11 Kazu Hirata <kazu@cs.umass.edu>
4647 * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
4649 2005-01-11 Alan Modra <amodra@bigpond.net.au>
4651 * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
4652 * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
4653 (TARGET_RWRELOC): Define.
4654 (ia64_rwreloc_section_type_flags): Delete.
4655 (ia64_section_type_flags): New function.
4656 * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
4657 (TARGET_RWRELOC): Define.
4659 2005-01-10 David Mosberger <davidm@hpl.hp.com>
4662 * config/ia64/ia64.c (process_set): For alloc insn, only call
4663 process_epilogue is !frame_pointer_needed.
4665 2005-01-10 Roger Sayle <roger@eyesopen.com>
4668 * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
4669 unary operator and can't be treated as a binary/comparison operator.
4671 2005-01-10 Richard Henderson <rth@redhat.com>
4673 * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
4674 (ix86_return_in_memory): Likewise.
4675 (function_arg_advance): Likewise. Mirror structure in function_arg
4676 for choosing register to advance.
4678 2005-01-10 Kazu Hirata <kazu@cs.umass.edu>
4680 * tree-vectorizer.c, tree.def: Fix comment typos.
4682 2005-01-10 Mark Dettinger <dettinge@de.ibm.com>
4684 * config/s390/s390.c (struct processor_costs): 4 new fields:
4685 ddbr, ddr, debr, der.
4686 (s390_rtx_costs): More precise handling of divide instructions.
4688 2005-01-10 David Edelsohn <edelsohn@gnu.org>
4690 * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
4692 2005-01-10 Jan Beulich <jbeulich@novell.com>
4694 * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
4695 names resulting from -ffunction-sections/-fdata-sections and linkonce
4697 * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
4698 based on the section name. Rearrange the section name comparison logic
4699 slightly so that each section name is compared against at most once.
4701 2005-01-10 Ben Elliston <bje@au.ibm.com>
4703 * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
4704 targets for which -fPIC reduces limitations on the GOT size.
4706 2005-01-09 Falk Hueffner <falk@debian.org>
4708 * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
4711 2005-01-09 David Edelsohn <edelsohn@gnu.org>
4714 * collect2.c (main): Set aixrtl_flag for -brtl option.
4715 (resolve_lib_name): Search for .so file extension before .a
4718 2005-01-09 Dorit Naishlos <dorit@il.ibm.com>
4720 * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
4721 (vect_analyze_data_refs_alignment): Add dump prints.
4723 2005-01-09 Ira Rosen <irar@il.ibm.com>
4725 * tree-vectorizer.c (vect_analyze_offset_expr): Use
4726 expr_invariant_in_loop_p.
4727 Initialize outputs first thing in the function.
4728 (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
4729 (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
4730 (vect_analyze_pointer_ref_access): Check that the initial condition of
4731 the access function is loop invariant.
4733 2005-01-09 Richard Henderson <rth@redhat.com>
4735 * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
4736 (ix86_expand_builtin): Likewise. Frob MASKMOVQ wrt the input mem
4737 just like MASKMOVDQU. Return plain zero for MMX_ZERO.
4738 * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
4739 mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
4740 movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
4741 movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
4742 sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
4743 ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
4744 mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4745 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4746 sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
4747 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
4748 mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
4749 gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
4750 ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
4751 mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4752 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4753 mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
4754 eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
4755 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
4756 pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
4757 pswapdv2sf2): Move to mmx.md; rename as necessary with leading
4759 (mmx_clrdi, pavgusb): Remove.
4760 (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
4761 with leading sse_ prefix.
4762 * config/i386/sse.md: Receive them.
4763 * config/i386/mmx.md: New file.
4764 (MMXMODE12, MMXMODE24, mmxvecsize): New.
4765 (subrv2sf3): Turn into expander for normal subtraction.
4766 (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
4767 mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
4768 mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
4769 mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
4770 commutative; use ix86_binary_operator_ok.
4771 (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
4772 mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
4773 mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
4774 mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
4775 mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
4776 Macroize from existing patterns; use ix86_binary_operator_ok.
4777 (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
4778 (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
4779 mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise. Model
4780 with vec_select+vec_concat.
4781 (mmx_pshufw, mmx_pshufw_1): Likewise.
4782 (mmx_uavgv8qi3): Merge pavgusb. Model correcty.
4783 (mmx_uavgv4hi3): Model correctly.
4784 * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
4785 _mm_xor_si64): Remove casts.
4787 2005-01-09 Zdenek Dvorak <dvorakz@suse.cz>
4789 PR tree-optimization/19224
4790 * tree-scalar-evolution.c (get_instantiated_value,
4791 set_instantiated_value): New functions.
4792 (instantiate_parameters_1): Cache the results.
4793 (instantiate_parameters, resolve_mixers): Initialize and free
4796 2005-01-08 David Edelsohn <edelsohn@gnu.org>
4798 * config/i386/i386.md (addhi_4): Correct reference in comment.
4801 2005-01-08 Richard Henderson <rth@redhat.com>
4803 * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
4804 (_mm_cvtsi128_si64x): Likewise.
4805 (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
4806 _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
4807 the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
4808 * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
4809 * config/i386/i386-protos.h: Update.
4810 * config/i386/i386.c (print_operand): Add 'H'.
4811 (ix86_fixup_binary_operands): Split out from ...
4812 (ix86_expand_binary_operator): ... here.
4813 (ix86_fixup_binary_operands_no_copy): New.
4814 (ix86_expand_fp_absneg_operator): Handle vector mode results.
4815 (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
4816 (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
4817 (safe_vector_operand): Use CONST0_RTX.
4818 (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
4819 (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
4820 CODE_FOR_sse2_maskmovdqu. Special case SSE version of MASKMOVDQU
4821 expansion. Update names for sse{,2,3}_ prefixes. Remove *maskncmp*
4823 * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
4824 (IX86_BUILTIN_CMPNGESS): New.
4825 * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
4826 (attr type): Add sselog1.
4827 (attr unit, attr memory): Handle it.
4828 (movti, movti_internal, movti_rex64): Move near other integer moves.
4829 (movtf, movtf_internal): Move near other fp moves.
4830 (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
4831 vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
4832 movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
4833 movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
4834 sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
4835 sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
4836 sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
4837 mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
4838 rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
4839 sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
4840 sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
4841 sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
4842 vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4843 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4844 cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
4845 cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
4846 vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
4847 vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
4848 sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
4849 sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
4850 cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
4851 cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
4852 cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
4853 cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
4854 ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
4855 subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
4856 smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
4857 sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
4858 sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
4859 sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
4860 gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
4861 ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
4862 ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
4863 sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
4864 sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
4865 sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
4866 sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
4867 sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
4868 sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
4869 sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
4870 mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
4871 addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
4872 movsldup, lddqu, loadddup, movddup): Move to sse.md. Any with
4873 non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
4875 (SSEPUSH, push<SSEPUSH>): Remove.
4876 (MMXPUSH, push<MMXPUSH>): Remove.
4877 (sse_movaps, sse_movaps_1, sse_movups): Remove.
4878 (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
4879 (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
4880 (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
4881 (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
4882 (maskncmpv2df3, vmmaskncmpv2df3): Remove.
4883 (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
4884 (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
4885 * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
4886 (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
4887 * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
4888 (ppro_sse_log_V4SF_load): Similarly. Handle sselog1.
4889 (ppro_sse_log_V4SF): Handle sselog1.
4890 * config/i386/predicates.md (const_0_to_1_operand): New.
4891 (const_0_to_255_mul_8_operand): New.
4892 (const_1_to_31_operand): Rename from const_int_1_31_operand.
4893 (const_2_to_3_operand, const_4_to_7_operand): New.
4894 * config/i386/sse.md: New file.
4895 (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
4896 (sse_movups): Rename from sse_movups_1.
4897 (sse_loadlss): Rename from sse_loadss_1.
4898 (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
4900 (negv4sf2): Use ix86_expand_fp_absneg_operator.
4901 (absv4sf2, negv2df, absv2df): New.
4902 (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
4903 (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
4904 iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
4905 smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
4906 umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
4907 (sse3_addsubv4sf3): Model correctly.
4908 sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
4909 sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
4910 (sse_movhlps): Model with vec_select+vec_concat.
4911 (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
4912 sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
4913 sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
4914 sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
4915 sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
4916 sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
4917 sse2_pshufhw_1): Likewise.
4918 (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
4919 (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
4920 sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
4921 ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
4922 sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
4923 ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
4924 (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
4925 sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
4926 mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
4927 sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
4928 sminv8hi3): Mark commutative
4929 operands. Use ix86_binary_operator_ok.
4930 (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
4931 sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
4932 sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
4933 sse2_punpcklqdq): Allow operand2 in memory.
4934 (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
4935 sse2_movsd): Add memory alternatives.
4936 (sse_storelps): Turn expander into an insn; split after reload.
4937 (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
4938 (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
4940 2005-01-08 Eric Botcazou <ebotcazou@libertysurf.fr>
4942 * configure.ac (DWARF-2 debug_line): Use objdump.
4943 * configure: Regenerate.
4945 2005-01-08 Jeff Law <law@redhat.com>
4946 Diego Novillo <dnovillo@redhat.com>
4948 PR tree-optimization/18241
4949 * tree-nrv.c (tree_nrv): Ignore volatile return values.
4950 * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
4951 statements with volatile operands.
4952 * tree-ssa-operands.c (add_stmt_operand): Do add volatile
4953 operands after marking a statement with has_volatile_ops.
4955 2005-01-08 Roger Sayle <roger@eyesopen.com>
4957 * tree.c (int_fits_type_p): Always honor integer constant
4958 TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
4960 2005-01-08 Roger Sayle <roger@eyesopen.com>
4962 * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
4963 the latent bug in rtl_delete_block has been resolved.
4965 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
4967 * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
4968 (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
4970 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
4972 * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
4973 library as @multilib_dir@/$(SHLIB_SONAME).
4975 2005-01-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4977 * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
4978 * configure: Regenerate.
4980 2005-01-07 Jakub Jelinek <jakub@redhat.com>
4982 * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
4985 2005-01-07 David Edelsohn <edelsohn@gnu.org>
4988 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4989 Convert non-word aligned offset address using ld/std into
4992 2005-01-07 Richard Henderson <rth@redhat.com>
4994 * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
4996 2005-01-07 Richard SAndiford <rsandifo@redhat.com>
4998 * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
5000 2005-01-07 Jakub Jelinek <jakub@redhat.com>
5002 PR tree-optimization/19283
5003 * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
5004 is not shorter than the original type.
5006 PR rtl-optimization/19012
5007 * config/i386/i386.md (addqi_1_slp): Set memory attribute.
5009 PR rtl-optimization/18861
5010 * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
5011 (FULL_STATE): Define.
5012 (mark_tablejump_edge): New function.
5013 (purge_dead_tablejump_edges): New function.
5014 (find_bb_boundaries): Use it.
5016 PR tree-optimization/18828
5017 * builtins.c (expand_builtin_next_arg): Remove argument and all
5018 the argument checking.
5019 (expand_builtin): Adjust caller.
5020 (expand_builtin_va_start): Likewise. Remove error for too many
5022 (fold_builtin_next_arg): Issue error for too many arguments.
5023 After checking arguments, replace them with magic arguments that
5024 prevent further checking of the args.
5026 2005-01-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5028 * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
5030 2005-01-06 Roger Sayle <roger@eyesopen.com>
5033 * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
5034 and %{.S:...} (and their negative variants) to test whether the
5035 input file is assembler or pre-processed-assembler independent of
5036 the actual filename extension.
5038 2005-01-06 Roger Sayle <roger@eyesopen.com>
5040 * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
5041 of sign or zero extended values.
5043 2005-01-06 Geoffrey Keating <geoffk@apple.com>
5045 * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
5046 for IBM long double format correctly.
5048 2005-01-06 Daniel Berlin <dberlin@dberlin.org>
5050 Fix PR tree-optimization/18792
5052 * tree-data-ref.c (build_classic_dist_vector): Change first_loop
5053 to first_loop_depth, and use loop depth instead of loop number.
5054 (build_classic_dir_vector): Ditto.
5055 (compute_data_dependences_for_loop): Use depth, not loop number.
5056 * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
5057 number. Pass in loops, instead of loop numbers.
5058 (gather_interchange_stats): Ditto.
5059 (linear_transform_loops): Ditto.
5061 2005-01-06 Richard Sandiford <rsandifo@redhat.com>
5064 * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
5065 biv_fits_mode_p, extension_within_bounds_p): New functions.
5066 (check_ext_dependent_givs): Use them.
5068 2005-01-06 Roger Sayle <roger@eyesopen.com>
5070 * cfgrtl.c (rtl_delete_block): A basic block may be followed by
5071 more than one barrier, in which case we should delete them all.
5073 2005-01-06 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
5075 * gcc.c (process_command): Change year in 'gcc --version' to 2005.
5077 2005-01-05 Daniel Berlin <dberlin@dberlin.org>
5079 Fix PR middle-end/19286
5081 * dwarf2out.c (gen_subprogram_die): If we've already tried to
5082 output this subprogram, simply ignore this attempt to do it again.
5083 (add_abstract_origin_attribute): Don't abort trying to add the abstract
5084 origin attribute if it's not possible.
5085 (gen_block_die): Don't ignore subblocks of "unused" blocks.
5086 (decls_for_scope): Ditto.
5087 * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
5088 (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
5090 2005-01-05 Richard Henderson <rth@redhat.com>
5093 * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
5094 (bdesc_2arg): Use it.
5095 (ix86_expand_binop_builtin): Force operands into registers
5097 (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
5098 ix86_expand_sse_compare, ix86_expand_sse_comi,
5099 ix86_expand_builtin): Likewise.
5101 2005-01-05 Richard Henderson <rth@redhat.com>
5103 * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
5105 * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
5106 (mulv4hi3): Set itanium_class mmmul.
5107 (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
5108 (fpack): Rename from fpack_sfsf.
5110 2005-01-05 Richard Henderson <rth@redhat.com>
5113 * reload1.c (do_input_reload): Restrict the optimization deleteing
5114 a previous output reload to RELOAD_FOR_INPUT.
5116 2005-01-05 Steven Bosscher <stevenb@suse.de>
5118 * combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add
5119 comment that we fall through after case.
5120 (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
5121 (distribute_links): Likewise.
5122 * cse.c (cse_insn): Likewise.
5123 * cselib.c (cselib_invalidate_mem): Likewise.
5124 * df.c: Update comments at the top of the file.
5125 (read_modify_subreg_p): Update comments here too.
5126 (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
5127 * flow.c (mark_set_1): Likewise.
5128 (mark_used_regs): Likewise.
5129 * gcse.c (mems_conflict_for_gcse_p): Likewise.
5130 (canon_list_insert): Likewise.
5131 (mark_set): Likewise.
5132 (try_replace_reg): Likewise.
5133 (store_killed_in_insn): Likewise.
5134 * loop.c (count_one_set): Likewise.
5135 (basic_induction_var): Likewise.
5136 * postreload-gcse.c (find_mem_conflicts): Likewise.
5137 * postreload.c (reload_combine_note_store): Likewise.
5138 (move2add_note_store): Likewise.
5139 * reload.c (find_equiv_reg): Likewise.
5140 (mark_referenced_resources): Likewise.
5141 * rtlanal.c (set_noop_p): Likewise.
5142 (note_stores): Likewise.
5143 (note_uses): Likewise.
5144 * sched-deps.c (sched_analyze_1): Likewise.
5145 * sched-rgn.c (check_live_1): Likewise.
5146 (update_live_1): Likewise.
5147 * config/i860/i860.c: Likewise.
5149 * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
5151 (ZERO_EXTRACT): Mention that this one can be an lvalue.
5153 * doc/rtl.texi: Update documentation for bit-fields and SET.
5155 2005-01-05 Roger Sayle <roger@eyesopen.com>
5157 * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
5159 2005-01-05 Jan Hubicka <jh@suse.cz>
5160 Richard Henderson <rth@redhat.com>
5163 * config/i386/i386.c (ix86_expand_move): Handle tls symbols
5166 2005-01-05 Richard Henderson <rth@redhat.com>
5169 * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
5170 (sse_shufps): Change operand 3 to const_int_operand.
5171 (sse2_storelps): Fix typo in template.
5172 (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
5173 * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
5174 (ix86_expand_builtin): Likewise.
5176 2005-01-05 Julian Brown <julian@codesourcery.com>
5178 * config/arm/arm.c (arm_return_in_memory): Treat complex types
5179 as aggregates for AAPCS ABIs.
5181 2005-01-05 Stan Shebs <shebs@apple.com>
5183 * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
5184 Mach-O getters if ppc64.
5185 * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
5187 * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5188 signed four-byte field for global code case.
5189 (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
5191 2005-01-05 Roger Sayle <roger@eyesopen.com>
5194 * c-common.c: Include real.h.
5195 (c_common_truthvalue_conversion): Avoid destructively modifying expr.
5196 Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
5197 Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
5198 * Makefile.in (c-common.o): Update dependencies.
5200 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
5202 * c-parse.in (asm_string): Add trailing semicolon.
5204 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
5206 * c-parse.in (asm_string): New. Don't allow wide strings in
5208 (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
5209 asm_string instead of STRING.
5211 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
5213 * c-typeck.c (constructor_no_implicit): Remove.
5214 (set_designator, process_init_element): Don't check
5215 constructor_no_implicit.
5217 2005-01-05 J"orn Rennecke <joern.rennecke@st.com>
5218 Kaz Kojima <kkojima@gcc.gnu.org>
5221 * lcm.c (create_pre_exit): New.
5222 (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
5223 ENTRY_EXIT_EXTRA to 3. Use create_pre_exit.
5225 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
5227 * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
5228 -msoft-float in target_float_switch.
5229 * arm.c (arm_override_options): Fix processing of target_float_switch.
5231 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
5233 * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
5236 2004-01-05 Uros Bizjak <uros@kss-loka.si>
5238 * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
5239 Replace i387 with 'i386 compiler' in -mfpmath=sse option.
5241 2005-01-04 Roger Sayle <roger@eyesopen.com>
5243 * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
5244 if deleting the then-block allows the test-block to fallthru to the
5247 2005-01-04 Andrew Pinski <pinskia@physics.uc.edu>
5250 * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
5251 after the full declaration if the are in two different TUs.
5253 2005-01-04 Richard Henderson <rth@redhat.com>
5256 * tree-sra.c (generate_one_element_init): Just
5257 call gimplify_and_add.
5258 (generate_element_init): Record the
5259 new referenced variables and mark them for renaming
5260 and split out to ...
5261 (generate_element_init_1): This.
5262 (scalarize_init): Don't call push_gimplify_context/
5263 pop_gimplify_context.
5265 2005-01-04 Geoffrey Keating <geoffk@apple.com>
5267 * toplev.c (get_src_pwd): Handle failure of getpwd().
5269 2005-01-04 Roger Sayle <roger@eyesopen.com>
5271 * fold-const.c (fold_single_bit_test): Delete unreachable handling
5273 (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
5274 all the cases handled by it are inverted by invert_truthvalue.
5276 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5278 * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
5279 (save_register_windowsi): Likewise.
5281 2005-01-04 Richard Henderson <rth@redhat.com>
5283 * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
5285 2005-01-04 Uros Bizjak <uros@kss-loka.si>
5288 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
5289 any simplifications of vector mode comparison operators.
5290 * simplify-rtx.c (simplify_relational_operation): Fix variable name.
5292 2005-01-04 Paolo Bonzini <bonzini@gnu.org>
5293 Devang Patel <dpatel@apple.com>
5295 PR tree-optimization/18308
5296 * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
5297 the operands before creating a new expression.
5298 * dojump.c (do_jump): Make drop_through_label available
5299 for all cases. Add expansion of COND_EXPR.
5301 2005-01-04 Ira Rosen <irar@il.ibm.com>
5303 * tree-vectorizer.c (vect_analyze_offset_expr): Test for
5304 INTEGER_CST instead of TREE_CONSTANT.
5305 (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
5306 instead of TREE_CONSTANT.
5307 (vect_analyze_pointer_ref_access): Test for INTEGER_CST
5308 instead of TREE_CONSTANT.
5310 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5312 * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
5314 2005-01-04 Uros Bizjak <uros@kss-loka.si>
5317 * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
5318 (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
5320 2005-01-03 Richard Henderson <rth@redhat.com>
5322 * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
5323 (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
5324 fold_convert_const_real_from_real): Split out from ...
5325 (fold_convert_const): ... here.
5327 2005-01-03 Richard Henderson <rth@redhat.com>
5330 * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
5331 (mov<MMXMODEI>_internal): Likewise.
5332 (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
5333 Add V2SF case; use it for SSE1; don't use TI.
5334 (movdf_integer): Likewise.
5335 (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
5337 2005-01-03 Ira Rosen <irar@il.ibm.com>
5339 * tree-vectorizer.c (vect_strip_conversions): New function.
5340 (vect_analyze_offset_expr): Call vect_strip_conversions. Add
5341 check for binary class.
5343 2005-01-03 Daniel Berlin <dberlin@dberlin.org>
5347 * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
5349 * gimple-low.c (mark_blocks_with_used_vars): New function.
5350 (mark_blocks_with_used_subblocks): Ditto.
5351 (mark_used_blocks): Ditto.
5352 (pass_mark_used_blocks): New pass.
5353 * tree-inline.c: Include debug.h.
5354 (expand_call_inline): Call outlining_inline_function here.
5355 * tree-optimize.c (init_tree_optimization_passes): Add
5356 pass_mark_used_blocks.
5357 * tree-pass.h (pass_mark_used_blocks): New.
5358 * Makefile.in (tree-inline.o): Add debug.h dependency.
5360 2005-01-03 Geoffrey Keating <geoffk@apple.com>
5362 * config/darwin.c (darwin_handle_weak_import_attribute): Permit
5363 VAR_DECLs to have weak_import attribute.
5365 * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
5368 2004-01-03 Steven Bosscher <stevenb@suse.de>
5370 * passes.c (rest_of_compilation): Don't run regmove if only
5371 flag_expensive_optimizations, require flag_regmove instead.
5373 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
5375 * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
5377 * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
5378 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5379 * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
5380 * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5382 2005-01-03 Richard Henderson <rth@redhat.com>
5384 * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
5385 (ia64_const_ok_for_letter_p): New.
5386 (ia64_const_double_ok_for_letter_p): New.
5387 (ia64_extra_constraint): New.
5388 (ia64_expand_vecint_compare): New.
5389 (ia64_expand_vcondu_v2si): New.
5390 (ia64_expand_vecint_cmov): New.
5391 (ia64_expand_vecint_minmax): New.
5392 (ia64_print_operand): Add 'v'.
5393 (ia64_preferred_reload_class): New.
5394 (ia64_vector_mode_supported_p): New.
5395 * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
5396 (PREFERRED_RELOAD_CLASS): Move to function.
5397 (CONST_OK_FOR_LETTER_P): Move to function.
5398 (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
5399 (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
5400 (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
5401 (EXTRA_CONSTRAINT): Move to function.
5402 * config/ia64/ia64.md: Include vect.md.
5403 (itanium_class): Add mmalua.
5405 * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses.
5407 * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
5408 * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
5410 (const_int_2bit_operand): New.
5411 (fr_reg_or_0_operand): New.
5412 * config/ia64/ia64-modes.def: Add vector modes.
5413 * config/ia64/ia64-protos.h: Update.
5414 * config/ia64/vect.md: New file.
5416 2005-01-03 Richard Henderson <rth@redhat.com>
5418 * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
5420 2005-01-03 Uros Bizjak <uros@kss-loka.si>
5423 * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
5425 (log1pdf2): Change mode of operands[0,1] to DFmode.
5427 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
5429 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
5430 * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
5431 * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
5432 * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
5433 SPARC_RELAXED_ORDERING.
5435 2005-01-03 Richard Henderson <rth@redhat.com>
5436 Uros Bizjak <uros@kss-loka.si>
5439 * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
5440 IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
5441 * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
5443 (*mmx_pinsrw, *sse2_pinsrw): New patterns.
5444 * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
5445 const_pow2_1_to_128_operand): New predicates.
5447 2005-01-02 Greg McGary <greg@mcgary.org>
5449 * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
5451 (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
5452 object. [ptr_type]: Remove unused variable.
5453 Remember nearest addressable array-element or record-component
5454 when checking bitfield components. Tolerate empty BIND_EXPR.
5456 2005-01-01 Richard Henderson <rth@redhat.com>
5458 * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
5459 that don't narrow the value. Fail for other conversions.
5461 2005-01-01 Richard Henderson <rth@redhat.com>
5464 * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
5465 * c-lang.c (finish_file): Don't do it here.
5466 * objc/objc-act.c (objc_finish_file): Likewise.
5468 * cgraph.c (decl_assembler_name_equal): New.
5469 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
5470 (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
5471 * cgraph.h (struct cgraph_varpool_node): Add next.
5472 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
5473 * varasm.c (assemble_alias): Mark the target as needed.
5475 2005-01-01 Andrew Pinski <pinskia@physics.uc.edu>
5478 * function.c (get_arg_pointer_save_area): Use entry_of_function
5479 instead of get_insns.
5481 2005-01-01 Roger Sayle <roger@eyesopen.com>
5482 Andrew Pinski <pinskia@physics.uc.edu>
5483 James E. Wilson <wilson@specifixinc.com>
5485 PR rtl-optimization/12092
5486 * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
5489 2005-01-01 Roger Sayle <roger@eyesopen.com>
5490 Olivier Hainque <hainque@act-europe.fr>
5492 * tree.c (int_fits_type_p): A narrower type always fits in a
5493 wider one, except for negative values into unsigned types.
5495 2005-01-01 Roger Sayle <roger@eyesopen.com>
5497 * tree.c (int_fits_type_p): Compare the result of force_fit_type
5498 with the original constant rather than require TREE_OVERFLOW.
5500 2005-01-01 Steven Bosscher <stevenb@suse.de>
5503 * c-decl.c (finish_function): If compiling C99, annotate the
5504 compiler generated return with the current file name and line 0.
5505 * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
5506 the source line is greater than 0.
5507 (remove_bb): Likewise.
5509 See ChangeLog.12 for earlier changes.