1 2005-03-15 Roger Sayle <roger@eyesopen.com>
3 PR tree-optimization/17454
4 * tree.c (tree_size): Add case for TREE_BINFO.
5 * fold-const.c (fold_checksum_tree): Only clear the overloaded
6 field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
8 2005-03-15 Roger Sayle <roger@eyesopen.com>
10 * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
11 op1 whilst expanding the signed widenening multiply variant.
13 2005-03-15 Richard Sandiford <rsandifo@redhat.com>
15 * toplev.c (display_target_options): Avoid unused variable warning if
16 TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
17 * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
18 (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
19 (mips_isa): Initialize to MIPS_ABI_DEFAULT.
20 (mips_isa_info): New variable.
21 (mips_parse_cpu): Remove the first argument and leave the caller
23 (TARGET_HANDLE_OPTION): Override default.
24 (mips_handle_option): New function. Move option validation code from...
25 (override_options): ...here. Update calls to mips_parse_cpu.
26 * config/mips/mips.h (mips_arch_string, mips_tune_string)
27 (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
28 (SUBTARGET_TARGET_OPTIONS): Delete.
29 * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
30 (mno-flush-func, mtune=): New options.
32 2005-03-15 Roger Sayle <roger@eyesopen.com>
33 Richard Henderson <rth@redhat.com>
35 * real.c (c4x_single_format, c4x_extended_format): Provide values
36 for signbit_ro for c4x's single and extended floating point formats.
37 * optabs.c (expand_copysign): Use the floating point format's
38 signbit_ro for expanding via expand_copysign_absneg, and it's
39 signbit_rw field for expanding via expand_copysign_bit.
41 2005-03-15 Dorit Naishlos <dorit@il.ibm.com>
43 * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
44 known_alignment_for_access_p.
45 (known_alignment_for_access_p): New.
46 (do_peeling_for_alignment): Field made int instead of bool and renamed
47 to peeling_for_alignment.
48 (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
49 * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
50 functionality used to be in vect_analyze_operations.
51 (vect_analyze_operations): Code to determine vectorization factor was
52 moved to vect_determine_vectorization_factor.
53 (vect_enhance_data_refs_alignment): Update to correct alignment when it
54 is known instead of -1. Set LOOP_PEELING_FOR_ALIGNMENT to peeling
56 (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
57 be part of vect_analyze_operations).
58 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
59 creating the guard condition, as the number of iterations may be
61 (slpeel_tree_peel_loop_to_edge): Use new name of
62 LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
63 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
64 alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
65 (vect_do_peeling_for_alignment): Use fold.
66 (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
68 (vect_update_inits_of_dr): Renamed to
69 vect_update_init_of_dr.
70 (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
71 (vectorizable_store): Fix assertion to use == instead of =.
73 2005-03-15 Daniel Jacobowitz <dan@codesourcery.com>
75 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
76 call_used_regs for wCG registers.
78 2005-03-15 Ulrich Weigand <uweigand@de.ibm.com>
80 * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
81 for non-offsettable memory references to cope with outstanding reload
84 2005-03-15 Uros Bizjak <uros@kss-loka.si>
87 * config/i386/i386.h (x86_fisttp): New.
88 (TARGET_FISTTP): New macro.
89 * config/i386/i386.c (x86_fisttp): Set for NOCONA.
90 (output_fix_trunc): Add fisttp parameter. Generate fisttp x87
91 instruction when fisttp flag is set.
92 * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
94 * config/i386/i386.md (type attribute): Add fisttp.
95 (unit attribute): Set to i387 for fisttp type.
96 (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
97 (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
99 (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
100 Generate fisttp patterns for TARGET_FISTTP. Implement using mode
102 (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
103 patterns for TARGET_FISTTP. Enable patterns for
104 (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
105 (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
106 fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
107 implement fisttp x87 insn.
108 (fix_trunc*_i387_fisttp splitters): New patterns.
109 (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
110 Rename to *fix_trunc<mode>_i387_1. Implement using mode macros.
111 Disable patterns for TARGET_FISTTP. Add comment about FLAGS_REG
113 (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
114 Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
115 Implement using mode macros. Disable patterns for TARGET_FISTTP.
116 (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
117 fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
118 fix_trunc<mode>_i387_with_temp. Implement using mode macros.
119 Disable patterns for TARGET_FISTTP.
120 (fix_trunc*_i387 splitters): Implement usign mode macros.
121 (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
122 fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
123 (fix_trunx*_sse peephole2s): Implement using mode macros.
125 2005-03-15 J"orn Rennecke <joern.rennecke@st.com>
127 PR rtl-optimization/20291
128 * combine.c (try_combine): If splitting fails, re-try with
129 original combined pattern, i.e. before clobber stripping.
131 2005-03-14 Eric Christopher <echristo@redhat.com>
133 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
134 STACK_GROWS_DOWNWARD.
136 2005-03-14 Roger Sayle <roger@eyesopen.com>
138 * real.h (struct real_format): Split the signbit field into two
139 two fields, signbit_ro and signbit_rw.
140 * real.c (ieee_single_format, mips_single_format, ieee_double_format,
141 mips_double_format, ieee_extended_motorola_format,
142 ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
143 ieee_extended_intel_128_format, ibm_extended_format,
144 mips_extended_format, ieee_quad_format, mips_quad_format,
145 vax_f_format, vax_d_format, vax_g_format, i370_single_format,
146 i370_double_format, c4x_single_format, c4x_extended_format,
147 real_internal_format): Update initializers for new field.
148 * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
149 real_format structure.
150 * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
151 field of the real_format structure.
153 2005-03-14 Daniel Berlin <dberlin@dberlin.org>
155 Fix PR tree-optimization/20458
157 * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
158 DECL_EXTERNAL on STRUCT_FIELD tags.
159 (clear_call_clobbered): Ditto.
160 * tree-ssa-operands.c (note_addressable): Make sure the original
161 variable doesn't slip into the addressable list if we have
163 * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
166 2005-03-14 Geoffrey Keating <geoffk@apple.com>
168 * doc/cppopts.texi (-fexec-charset): Add concept index entry.
169 (-fwide-exec-charset): Likewise.
170 (-finput-charset): Likewise.
171 * doc/invoke.texi (Warning Options): Document -Wnormalized=.
172 * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
173 * c.opt (Wnormalized): New.
175 2005-03-14 Devang Patel <dpatel@apple.com>
177 * doc/invoke.texi: Add reference to Visibility document.
179 2005-03-14 Richard Sandiford <rsandifo@redhat.com>
181 * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
182 MASK_SPLIT_ADDRESSES.
183 * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
184 (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
185 (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
186 (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
187 (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
188 (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
189 (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
190 (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
191 (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
192 (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
193 (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
194 (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
195 (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
196 (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
197 (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
198 (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
199 (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
200 (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
201 (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
202 (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
203 (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
204 (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
205 (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
206 (TARGET_EXPLICIT_RELOCS): Delete.
207 (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
208 (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
209 * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
210 (override_options): Set MASK_LONG64 if -mint64 is given and no
211 -mlongXX option is. Complain about -mint64 -mlong32.
212 (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
213 MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
214 * config/mips/mips.opt: New file.
216 2005-03-14 Richard Sandiford <rsandifo@redhat.com>
218 * config.gcc (extra_options): New variable for listing option files.
219 Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
220 * configure.ac (extra_opt_files): New AC_SUBST variable.
221 (tm_file_list, tm_include_list): Include options.h first.
222 * configure: Regenerate.
223 * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
224 (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
225 (s-options-h): New rule.
226 (options.h): Depend on it.
227 (TEXI_GCCINT_FILES): Add options.texi.
228 * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
229 * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
230 * target.h (gcc_target): Add default_target_flags and handle_option.
231 * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
232 (TARGET_HANDLE_OPTION): New macros.
233 (TARGET_INITIALIZER): Include them.
234 * opt-functions.awk (opt_args, nth_arg): New functions.
235 (switch_flags): Handle the "Target" flag.
237 (var_name): Use opt_args and nth_arg.
238 (var_set, var_ref): Likewise. Handle "Mask" and "InverseMask".
239 * opth-gen.awk: Declare target_flags. Declare MASK_* and TARGET_*
240 macros for the "Mask" and "InverseMask" options.
241 * opts.h (cl_var_cond): New enum.
242 (cl_option): Replace the "has_set_value" and "set_value" fields with
243 "var_cond" and "var_value".
244 (CL_TARGET): New macro.
245 (option_enabled, print_filtered_help): Declare.
246 (decode_options): Move definition.
247 * opts.c (handle_option): Search for the original option before
248 removing any "no-" prefix. Handle CL_TARGET. Adjust for the new
249 var_cond and var_value fields. Use targetm.handle_option to handle
251 (decode_options): Set target_flags to targetm.default_target_flags.
252 (print_filtered_help): Make global. Handle CL_TARGET.
253 (option_enabled): New function.
254 * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
255 (display_target_options, set_target_switch, print_switch_values)
256 (default_pch_valid_p): Guard uses of target_switches with
257 #ifdef TARGET_SWITCHES. Also...
258 (display_target_options): Display the CL_TARGET entries in cl_options.
259 (set_target_option): Don't complain about the "" option when
260 TARGET_SWITCHES is undefined.
261 (print_switch_values): Use option_enabled.
262 (default_pch_valid_p): Check cl_options[] when looking for something
263 that has changed the value of target_flags.
264 * c.opt: Remove documentation from top of file.
265 * doc/gccint.texi: Add an "Options" chapter. Include options.texi.
266 * doc/sourecebuild.texi: Refer to the new options documentation
267 instead of c.opt. Document machine-specific .opt files.
268 * doc/tm.texi (target_flags): Say that this variable is declared
270 (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
271 (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
273 * doc/options.texi: New file.
275 2005-03-14 Alexandre Oliva <aoliva@redhat.com>
278 * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
281 2005-03-14 Alexandre Oliva <aoliva@redhat.com>
284 * gimplify.c (gimplify_cond_expr): Add fallback argument. Use a
285 temporary variable of pointer type if an lvalues is required.
286 (gimplify_modify_expr_rhs): Request an rvalue from it.
287 (gimplify_expr): Pass fallback on.
289 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
291 * cfgbuild.c: Update comments.
293 2005-03-14 Roger Sayle <roger@eyesopen.com>
295 PR rtl-optimization/17236
296 * optabs.c (expand_doubleword_mult): New helper function split out
297 from expand_binop. Permute the order in which instructions are
298 emitted to minimize the number of simultaneously live registers.
299 (expand_binop): Call expand_doubleword_mult to synthesize a double
302 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
304 * basic-block.h: Update the prototypes of cached_make_edge and
306 * cfg.c (cached_make_edge): Take edge_cache representing one
307 row of the adjacency matrix of edges.
308 * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
309 (make_edges): Initialize edge_cache to represent one row of
310 the adjacency matrix of edges.
312 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
314 * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
316 (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
317 Remove unused removed_phis variable.
318 (conditional_replacement): Use build1/build2.
319 (abs_replacement): Use last_and_only_stmt and build1/build2.
321 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
323 * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
324 ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
325 * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
326 (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
327 * c-common.c (handle_novops_attribute): New function.
328 (c_common_attribute_table): Add "no vops" entry.
329 * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
330 * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
331 * tree-ssa-operands.c (get_call_expr_operands): Do not
332 create virtual operands for calls with ECF_NOVOPS flag.
333 * tree.h (DECL_IS_NOVOPS): New macro.
334 (struct tree_decl): Add novops_flag.
335 (ECF_NOVOPS): New constant.
337 2005-03-14 Uros Bizjak <uros@kss-loka.si>
340 * config/i386/i386.c (x86_use_himode_fiop): New.
341 (x86_use_simode_fiop): Rename from x86_use_fiop.
342 * config/i386/i386.h (x86_use_himode_fiop): Declare.
343 (TARGET_USE_HIMODE_FIOP): New.
344 (x86_use_simode_fiop): Rename from x86_use_fiop.
345 (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
347 * config/i386/i386.md (X87MODEI12): New mode macro define.
348 (*cmpfp_<mode>): Rename from *cmpfp_si. Use X87MODEI12 mode macro
349 to implement x87 FP compare with HImode input operands.
350 (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
351 Use X87MODEI12 mode macro to handle HImode input operands.
352 (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
353 *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
354 Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
355 *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
356 macro to implement x87 operators with HImode input operands.
357 (fop splitters): Use X87MODEI12 mode macro to handle HImode
360 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
362 * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
364 * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
367 2005-03-14 Zdenek Dvorak <dvorakz@suse.cz>
369 * basic-block.h (BB_VISITED): Removed.
370 * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
372 2005-03-14 Falk Hueffner <falk@debian.org>
375 * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
377 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
379 * ggc-zone.c: Fix comment typos.
381 * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
382 stringpool.c, config/mips/mips-protos.h: Update copyright.
384 2005-03-14 Alan Modra <amodra@bigpond.net.au>
386 * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
387 throughout with its typedef, "rtx".
388 * config/rs6000/rs6000.c: Likewise. Formatting fixes.
389 (rs6000_tls_symbol_ref_1): Remove inline keyword.
390 * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting. Reorder
391 regs in comment to match code.
393 2005-03-14 Kazu Hirata <kazu@cs.umass.edu>
395 * except.c (check_handled): Make it static.
396 * except.h: Remove the corresponding prototype.
398 * function.c (get_func_frame_size): Make it static.
399 * function.h: Remove the corresponding type.
401 * regclass.c (reg_class_superclasses, reg_class_subclasses):
403 * hard-reg-set.h: Remove the corresponding declarations.
405 * tree-cfg.c (verify_stmts): Check that
406 bb_for_stmt (stmt) == bb for every PHI node and statement.
408 2005-03-14 Alan Modra <amodra@bigpond.net.au>
410 * config.gcc: Remove excess indentation.
411 (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
413 2005-03-13 Roger Sayle <roger@eyesopen.com>
416 * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
417 * fold-const.c (fold_sign_changed_comparison): Likewise.
418 (fold_binary): Optimize comparisons against widened operands if
419 the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
421 2005-03-13 Eric Botcazou <ebotcazou@libertysurf.fr>
423 * config/sparc/sparc.c (struct_value_alias_set): New global variable.
424 (sparc_override_options): Initialize it.
425 (sparc_struct_value_rtx): Set it on the MEM to be returned.
427 2005-03-13 David Edelsohn <edelsohn@gnu.org>
429 * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
430 (reg_or_none500mem_operand): New predicate.
431 (zero_reg_mem_operand): New predicate.
432 * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
433 to reg_or_none500mem_operand.
434 (extendsfdf2_fpr): Add MEM alternative.
435 (extenddftf2_internal): Change operand2 predicate to
436 zero_reg_mem_operand.
438 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
440 * ggc-zone.c: Rewritten.
442 * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
444 * configure.ac: Define GGC_ZONE for --with-gc=zone.
445 * config.in: Regenerated.
446 * configure: Regenerated.
447 * gengtype.c (write_types_process_field, write_func_for_structure):
448 Pass new argument to gt_pch_note_object.
449 * ggc-common.c (struct ptr_data): Add TYPE.
450 (gt_pch_note_object): Take TYPE argument and save it.
451 (call_count): Update call to ggc_pch_count_object.
452 (call_alloc): Update call to ggc_pch_alloc_object.
453 (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
455 * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
456 * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
457 (ggc_alloc_zone_stat): Delete.
458 (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
459 * ggc.h (gt_pch_note_object, ggc_pch_count_object)
460 (ggc_pch_alloc_object): Update prototypes.
461 (garbage_zone): Delete.
462 (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
463 GGC_ZONE conditional. Update. Change tree_zone and rtl_zone into
465 (tree_id_zone): New variable.
466 (ggc_alloc_cleared_zone): Remove unused.
467 (ggc_alloc_zone): Define.
468 (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
469 * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
471 * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
472 * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
473 (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
474 (make_node_stat): Likewise. Use tree_id_zone.
476 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
477 Joseph S. Myers <joseph@codesourcery.com>
479 * configure.ac: Check for MIPS TLS.
480 * configure: Regenerated.
481 * config/mips/mips-protos.h (enum mips_symbol_type): Add
482 SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
483 SYMBOL_GOTTPREL, and SYMBOL_TPREL.
484 * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
485 (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
486 (mips_classify_symbol, mips_symbolic_constant_p)
487 (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
488 (mips_tls_operand_p, mips_call_tls_get_addr)
489 (mips_legitimize_tls_address, mips_cannot_force_const_mem)
490 (mips_tls_symbol_ref_1): New functions.
491 (mips_legitimize_address, mips_legitimize_const_move): Call
492 mips_legitimize_tls_address.
493 (override_options): Handle V1_REG and TLS symbols. Disable TLS
495 * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
496 (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
497 (mips_char_to_class): Document V1_REG.
498 (HAVE_AS_TLS): Provide default.
499 * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
501 (load_got<mode>): Renamed from *load_got<mode>. Allow when
503 (tls_get_tp_<mode>): New instruction.
505 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
507 * configure.ac: Update checks for target tools.
508 * configure: Regenerated.
510 2005-03-13 Daniel Jacobowitz <dan@codesourcery.com>
512 * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
514 2005-03-13 Roger Sayle <roger@eyesopen.com>
516 * expmed.c (expand_mult): Use synthetic multiplication sequences for
517 more classes of DImode multiplication by constant. Allow both
518 multiplication by small negative constants (by performing a
519 multiplication by a positive constant and negating the result) and
520 multiplications by large powers of two, by using a left shift.
522 2005-03-13 Kazu Hirata <kazu@cs.umass.edu>
524 * tree-into-ssa.c (find_idf): Speed up by putting the indexes
525 of basic blocks into work_stack.
527 * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
528 config/mips/vr.h: Update copyright.
530 * c-decl.c (c_init_decl_processing): Remove useless calls to
533 * builtins.c (fold_trunc_transparent_mathfn,
534 fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
535 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
536 fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
537 fold_builtin_strcpy, fold_builtin_strncpy,
538 fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
541 * builtins.c (expand_builtin_mathfn_3): Remove local variable
544 * lambda-code.c (lambda_compute_auxillary_space): Remove local
545 variable determinant.
547 * tree-cfg.c (group_case_labels): Remove local variable type.
549 * tree-ssa-live.c (build_tree_conflict_graph): Remove local
552 * tree-ssa-phiopt.c (value_replacement): Remove local variable
555 2005-03-13 Andy Hutchinson <HutchinsonAndy@netscape.net>
558 * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
559 (*movmemqi_insn): Delete.
562 2005-03-13 Kazu Hirata <kazu@cs.umass.edu>
564 * builtins.c (fold_builtin_classify): Take decomposed
565 arguments of CALL_EXPR.
566 (fold_builtin_1): Update a call to fold_builtin_classify.
568 2005-03-13 Joseph S. Myers <joseph@codesourcery.com>
571 * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
572 through into call to parser_xref_tag after parse error.
573 (c_parser_struct_declaration): Consistently return NULL_TREE on
576 2005-03-12 Daniel Berlin <dberlin@dberlin.org>
578 * tree-flow-inline.h (ref_contains_array_ref): New function.
579 (lookup_subvars_for_var): Ditto.
580 (get_subvars_for_var): Ditto.
581 (var_can_have_subvars): Ditto.
583 * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
584 (struct subvar): New type.
586 * tree-dfa.c (okay_component_ref_for_subvars): New function.
588 * tree-optimize.c (init_tree_optimization_passes): Call
589 pass_create_structure_vars.
591 * tree-ssa-alias.c: Include vec.h.
592 (init_alias_info): Don't auto-clear call clobbered on struct-field
594 (compute_flow_insensitive_aliasing): Handle subvars.
595 (group_aliases): Handle STRUCT_FIELD aliases.
596 (setup_pointers_and_addressables): Ditto.
597 Don't mark variables non-addressable if they still have
599 Also mark subvars addressable when the real variable is marked
601 (add_pointed_to_var): Try to prune the pointed-to set by only
602 pointing to subvars when possible.
603 Otherwise, make sure we set addresses_needed and pt_vars to
604 properly include subvars.
605 (bitpos_of_field): New function.
606 (push_fields_onto_fieldstack): Ditto.
607 (get_or_create_used_part_for): Ditto.
608 (create_overlap_variables_for): Ditto.
609 (find_used_portions): Ditto.
610 (create_structure_vars): Ditto.
611 (pass_create_structure_vars): New structure.
613 * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
614 (get_expr_operands): Handle subvars. Also try to turn
615 COMPONENT_REF accesses into must-defs now that we can accurately
617 (note_addressable): Try to only mark as addressable those subvars
618 we know a COMPONENT_REF touches.
619 (overlap_subvar): New function.
621 * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
622 Handle subvar storing.
623 (vect_address_analysis): Update caller of vect_object_analysis.
625 * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
627 * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
628 (STMT_VINFO_SUBVARS): New macro.
630 * common.opts: add flag_tree_salias.
632 * opts.c (decode_options): flag_tree_salias defaults to on.
634 * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
636 * doc/tree-ssa.texi: Document structural alias analysis.
638 2005-03-12 Steven Bosscher <stevenb@suse.de>
640 * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
641 * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
642 * tree-ssa-operands.c (get_expr_operands): Likewise.
643 (get_expr_operands): Likewise for ERROR_MARK.
645 2005-03-12 Kazu Hirata <kazu@cs.umass.edu>
647 * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
650 * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
653 * tree-ssa-pre.c (compute_avail): Remove local variable val.
654 (mark_operand_necessary): Remove local variable ver.
656 * tree-vect-transform.c (vect_get_new_vect_var): Remove local
659 * value-prof.c (mod_subtract_transform): Remove local variable
662 * builtins.c (fold_builtin_exponent): Take decomposed
663 arguments of CALL_EXPR.
664 (fold_builtin_1): Update a call to fold_builtin_exponent.
666 * builtins.c (fold_builtin_logarithm): Take decomposed
667 arguments of CALL_EXPR.
668 (fold_builtin_1): Update a call to fold_builtin_logarithm.
670 * c-decl.c (c_init_decl_processing): Remove local variables
671 ptr_ftype_void and ptr_ftype_ptr.
673 * gimplify.c (gimplify_expr): Remove local variables r0 and
676 * reg-stack.c (move_for_stack_reg): Remove local variable
678 (compare_for_stack_reg): Remove local variable flags_user.
679 (convert_regs_1): Remove local variable deleted.
681 * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
683 (combine_blocks): Remove local variables exits and new_e.
685 * tree-inline.c (expand_call_inline): Remove local variable
688 * tree-ssa-live.c (create_ssa_var_map,
689 calculate_live_on_entry): Remove local variable snn.
691 2005-03-12 Geoffrey Keating <geoffk@apple.com>
693 * c-lex.c (c_lex_with_flags): Add parameter to call to
696 2005-03-11 Per Bothner <per@bothner.com>
698 * c-tree.h (struct c_declarator): New id_loc field.
699 * c-pragma.h (c_lex_with_flags): Take position reference.
700 * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
701 iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
702 (c_lex): Pass dummy location to c_lex_with_flags.
703 * c-parser.c (c_lex_one_token): Set c_token's location using
704 c_lex_with_flags, instead of input_location, which might be "ahead".
705 (c_parser_direct_declarator): Set declarator's id_loc from
707 * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
708 declarator's id_loc, rather than probably-imprecise input_location.
709 (build_id_declarator): Initialize c_declarator's id_loc field.
711 2005-03-11 Roger Sayle <roger@eyesopen.com>
714 * builtins.c (expand_builtin_signbit): Force the signbit's word
715 into an integer register to avoid SUBREGs of floating point modes.
717 2005-03-12 Kazu Hirata <kazu@cs.umass.edu>
719 * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
720 target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
721 tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
722 config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
724 2005-03-11 David Edelsohn <edelsohn@gnu.org>
726 PR rtl-optimization/20306
727 * expr.c (emit_move_complex): Set try_int false if mode is
728 MODE_COMPLEX_FLOAT and mov_optab exists for inner mode. Only try
729 emit_block_move if try_int is true.
731 2005-03-11 Richard Henderson <rth@redhat.com>
734 * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
735 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
738 2005-03-11 Richard Sandiford <rsandifo@redhat.com>
740 * config/mips/mips.h (mips_fix_vr4130_string): Declare.
741 (TARGET_FIX_VR4130): New macro.
742 (TARGET_OPTIONS): Add -mfix-vr4130.
743 (ISA_HAS_MACCHI): New macro.
744 (ASM_SPEC): Add -mfix-vr4130.
745 * config/mips/mips.c (mips_fix_vr4130_string): New variable.
746 (override_options): Handle mips_fix_vr4130_string.
747 (mips_avoid_hazards): Clear all_noreorder_p
748 if we're working around VR4130 errata and the macc alternatives
750 * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
751 (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
752 * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
753 (MULTILIB_DEFAULTS): Remove leading "march=".
754 (DRIVER_SELF_SPECS): Likewise. Make -mfix-vr4130 imply -march=vr4130
755 if no architecture option is given.
756 * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
758 (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
759 * doc/invoke.texi: Document -mfix-vr4130.
761 2005-03-11 Richard Sandiford <rsandifo@redhat.com>
763 * config/mips/mips.c (override_options): Only warn about -mint64
764 deprecation if TARGET_INT64.
766 2005-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
768 * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
769 ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
770 ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
771 are non-specific regarding the nonnull parameter positions.
772 (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
773 ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
774 ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
775 ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
777 * builtins.def: Use the non-specific "nonnull" attibute lists.
779 2005-03-11 Zdenek Dvorak <dvorakz@suse.cz>
781 * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
782 single_pred_edge, single_succ, single_pred): Improve comments.
784 2005-03-11 Zdenek Dvorak <dvorakz@suse.cz>
786 * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
787 single_pred_edge, single_succ, single_pred): New inline functions.
788 * bb-reorder.c (rotate_loop, find_traces_1_round,
789 add_labels_and_missing_jumps, fix_up_fall_thru_edges,
790 duplicate_computed_gotos): Use the single_succ/pred functions.
791 * cfganal.c (forwarder_block_p): Ditto.
792 * cfgbuild.c (compute_outgoing_frequencies): Ditto.
793 * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
794 outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
795 merge_seq_blocks): Ditto.
796 * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
797 * cfglayout.c (fixup_reorder_chain): Ditto.
798 * cfgloop.c (mark_single_exit_loops, update_latch_info,
799 canonicalize_loop_headers, verify_loop_structure): Ditto.
800 * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
801 mfb_update_loops, create_preheader, force_single_succ_latches,
802 create_loop_notes): Ditto.
803 * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
804 force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
805 commit_one_edge_insertion, purge_dead_edges,
806 cfg_layout_can_merge_blocks_p): Ditto.
807 * except.c (sjlj_emit_function_enter): Ditto.
808 * flow.c (init_propagate_block_info): Ditto.
809 * function.c (thread_prologue_and_epilogue_insns): Ditto.
810 * gcse.c (find_implicit_sets, bypass_conditional_jumps,
811 insert_insn_end_bb): Ditto.
812 * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
813 find_if_case_2): Ditto.
814 * lambda-code.c (perfect_nestify): Ditto.
815 * lcm.c (optimize_mode_switching): Ditto.
816 * loop-doloop.c (doloop_modify): Ditto.
817 * loop-init.c (loop_optimizer_init): Ditto.
818 * loop-iv.c (simplify_using_initial_values): Ditto.
819 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
820 * loop-unswitch.c (unswitch_loop): Ditto.
821 * modulo-sched.c (generate_prolog_epilog): Ditto.
822 * predict.c (combine_predictions_for_insn, estimate_probability,
823 tree_estimate_probability, last_basic_block_p,
824 estimate_bb_frequencies): Ditto.
825 * profile.c (branch_prob): Ditto.
826 * regrename.c (copyprop_hardreg_forward): Ditto.
827 * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
828 * tracer.c (layout_superblocks): Ditto.
829 * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
830 cfg_remove_useless_stmts_bb, cleanup_control_flow,
831 cleanup_control_expr_graph, disband_implicit_edges,
832 tree_find_edge_insert_loc, bsi_commit_edge_inserts,
833 tree_verify_flow_info, tree_make_forwarder_block,
834 tree_forwarder_block_p, remove_forwarder_block,
835 remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
836 * tree-if-conv.c (tree_if_conversion): Ditto.
837 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
838 * tree-ssa-dce.c (remove_dead_stmt): Ditto.
839 * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
840 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
841 copy_loop_headers): Ditto.
842 * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
843 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
844 * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
845 lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
846 * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
847 * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
848 * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
849 * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
850 * tree-ssa-threadupdate.c (redirect_edges): Ditto.
851 * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
852 eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
853 * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
854 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
855 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
856 slpeel_add_loop_guard): Ditto.
858 2005-03-11 James A. Morrison <phython@gcc.gnu.org>
860 PR tree-optimization/15784
861 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
864 * stmt.c (expand_case): Don't change index_type. Convert minval
867 PR tree-optimization/20130
868 * fold-const.c (fold): Fold x * -1 into -x.
870 2005-03-11 Kaz Kojima <kkojima@gcc.gnu.org>
872 PR rtl-optimization/20331
873 * rtlanal.c (modified_between_p): Check its address first for MEM.
874 (modified_in_p): Likewise.
876 2005-03-11 Joseph S. Myers <joseph@codesourcery.com>
878 * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
880 2005-03-10 Steven Bosscher <stevenb@suse.de>
882 * expr.c (expand_expr_real_1): If possible, use a conditional
883 move for expanding MIN_EXPR and MAX_EXPR.
884 Use temp for moving around rtx-en.
886 2005-03-10 Andrew Pinski <pinskia@physics.uc.edu>
889 * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
892 2005-03-10 Roger Sayle <roger@eyesopen.com>
894 * builtins.c (expand_builtin_signbit): Extend to handle floating
895 point modes wider than the largest integer type, using the
896 operand_subword_force function to obtain the signbit's word.
898 2005-03-10 Jakub Jelinek <jakub@redhat.com>
901 * combine.c (try_combine): If recog_for_combine added CLOBBERs
902 to NEWI2PAT, fail to combine if they are used by NEWPAT.
904 2005-03-10 Aldy Hernandez <aldyh@redhat.com>
906 * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
908 2005-03-10 Kazu Hirata <kazu@cs.umass.edu>
910 * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
912 (perform_edge_inserts): Unconditionally call
915 * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
917 2005-03-10 Bob Wilson <bob.wilson@acm.org>
919 * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
921 2005-03-10 Nathan Sidwell <nathan@codesourcery.com>
923 * bitmap.c (bitmap_copy): Remove manual loop unrolling.
925 * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
927 (rtl_register_value_prof_hooks,
928 tree_value_profile_transformations,
929 tree_register_value_prof_hooks): Likewise.
930 * var-tracking.c (stack_adjust_offset_pre_post,
931 variable_htab_free, variable_union, dataflow_set_different_2,
932 count_uses, variable_was_changed, set_frame_base_location,
933 set_variable_part, emit_note_insn_var_location, vt_emit_notes,
934 vt_add_function_parameters): Likewise.
935 * varasm.c (named_section_real, named_section, make_decl_rtl,
936 asm_emit_uninitialised, assemble_integer, decode_addr_const,
937 const_hash_1, compare_constant, copy_constant, force_const_mem,
938 output_constant_pool_2, output_constant_pool_1, output_constant,
939 output_constructor, make_decl_one_only, decl_tls_model,
940 default_no_named_section, default_elf_select_section_1,
941 default_unique_section_1): Likewise.
942 * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
943 * vmsdbgout.c (addr_const_to_string): Likewise.
946 * function.c (struct assign_parm_data_one): Remove last_named
948 (assign_parm_find_data_types): Don't determine last_named.
949 Reorder named_parm determination.
950 (assign_parms): Only setup varargs on the last non-varadic
953 2005-03-10 Kazuhiro Inaoka <inaoka.lazuhiro@renesas.com>
955 * config/m32r/m32r.md (load_sda_base_32): New pattern. Loads
956 sda base address on medium model.
958 2005-03-10 Zdenek Dvorak <dvorakz@suse.cz>
960 * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
961 * cfgloop.c (flow_loop_nodes_find): Export.
962 * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
964 * cfgloopmanip.c (fix_loop_structure): New function.
965 * predict.c (predict_loops): Clean up the loops information.
966 * tree-cfg.c (cleanup_tree_cfg_loop): New function.
967 (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
969 * tree-flow.h (cleanup_tree_cfg_loop): Declare.
970 (rewrite_into_loop_closed_ssa): Declaration changed.
971 * tree-loop-linear.c (linear_transform_loops): Add argument to
972 rewrite_into_loop_closed_ssa call.
973 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
974 * tree-ssa-loop-im.c (move_computations): Ditto.
975 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
976 * tree-vectorizer.c (vectorize_loops): Ditto.
977 * tree-optimize.c: Include cfgloop.h.
978 (execute_todo): Choose whether to call cleanup_tree_cfg or
979 cleanup_tree_cfg_loop.
980 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
981 (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
982 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
983 cleanup_tree_cfg_loop call.
984 * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
985 (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
988 2005-03-10 Jakub Jelinek <jakub@redhat.com>
991 * gimplify.c (gimplify_asm_expr): Handle input/output constraints
992 with multiple alternatives.
994 * stmt.c (parse_output_constraint): Fix a typo.
996 2005-03-09 Bob Wilson <bob.wilson@acm.org>
998 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
999 assembly directive instead of deprecated "no-generics".
1001 2005-03-09 Ulrich Weigand <uweigand@de.ibm.com>
1003 * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1004 for non-offsettable memory references to cope with outstanding reload
1006 * config/s390/s390.md ("reload_outti"): Call find_replacement to
1007 avoid losing outstanding address reloads.
1008 ("reload_outdi", "reload_outdf"): Likewise.
1010 2005-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1012 * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
1013 code. Add more cbrt transformations.
1015 2005-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1017 * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
1019 2005-03-09 Kazu Hirata <kazu@cs.umass.edu>
1021 * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
1022 NULL_TREE when a given tree is not simplified.
1023 (fold): Return the original tree when any of the functions
1024 mentioned above NULL_TREE.
1026 * fold-const.c (fold_unary, fold_binary): Take decomposed
1027 arguments, code, type, op0, and op1 in case of fold_binary.
1028 (fold): Update calls to fold_unary and fold_binary.
1030 2005-03-09 Roger Sayle <roger@eyesopen.com>
1032 * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
1033 a fndecl and an arglist instead of a CALL_EXPR, exp.
1035 2005-03-09 Kazu Hirata <kazu@cs.umass.edu>
1037 * cfglayout.c (fixup_reorder_chain): Remove old_bb.
1039 * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
1041 * expr.c (expand_assignment): Remove orig_to_rtx.
1043 * fold-const.c (int_const_binop): Remove no_overflow.
1045 * ifcvt.c (noce_emit_move_insn): Remove inmode.
1047 * loop-iv.c (get_biv_step_1): Remove lhs.
1049 * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
1051 * real.c (real_nan): Remove neg.
1053 * function.c (thread_prologue_and_epilogue_insns): Remove i
1056 * tree-data-ref.c (array_base_name_differ_p): Remove ta and
1059 * tree-eh.c (tree_could_trap_p): Remove idx.
1061 * tree-into-ssa.c (ann): Remove ann.
1063 * tree-outof-ssa.c (num_nodes): Remove num_nodes.
1065 * tree-sra.c (decide_block_copy): Remove inst_count.
1067 * tree-ssa-alias.c (may_alias_p): Remove v_ann.
1069 * tree-ssa-loop-im.c (lhs): Remove.
1071 * cfgbuild.c (state, STATE, SET_STATE,
1072 BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
1074 (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
1075 (find_basic_blocks): Set the state of each basic block to
1078 2005-03-08 Jeff Law <law@redhat.com>
1080 * tree-cfg.c (cleanup_control_flow): If removal of a computed
1081 goto results in the removal of edges in the CFG, then we need
1082 to recompute dominators.
1084 2005-03-09 Ben Elliston <bje@au.ibm.com>
1086 * c-common.c (c_do_switch_warnings): Comment fix.
1088 2005-03-08 Julian Brown <julian@codesourcery.com>
1090 * Patch from 2005-03-08 reverted for causing regressions and
1091 ppc-darwin bootstrap failure.
1093 2005-03-08 Fariborz Jahanian <fjahanian@apple.com>
1095 * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
1096 Define the real function for ppc-darwin.
1097 * c-typeck.c (convert_arguments): Check for target-specific
1098 invalid argument call to unprototyped function.
1099 * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
1101 * target.h (invalid_arg_for_unprototyped_fn): New field
1103 * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
1104 default target hook.
1105 * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
1108 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
1110 * c-typeck.c (constructor_stack, constructor_range_stack,
1111 initializer_stack): Make them static.
1113 * cfg.c (rbi_pool): Make it static.
1115 * gimple-low.c (lower_stmt_body): Make it static.
1116 * tree-flow.h: Remove the corresponding prototype. Don't
1119 * sched-deps.c (cache_size): Make it static.
1121 * stor-layout.c (lang_adjust_rli): Make it static.
1123 2005-03-08 Julian Brown <julian@codesourcery.com>
1125 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1126 from being used for symbols with vague linkage when
1127 HAVE_GAS_COMDAT_GROUP is true.
1129 2005-03-08 J"orn Rennecke <joern.rennecke@st.com>
1131 * jump.c (invert_jump_1): Don't call redirect_jump_1 with
1132 nlabel == JUMP_LABEL (jump).
1134 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
1136 * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
1137 gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
1138 tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
1139 tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
1141 2005-03-08 Alexey Neyman <alex.neyman@auriga.ru>
1144 * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
1145 * c-common.c (handle_returns_twice): New function.
1146 (c_common_attribute_table): Declare eturns_twice' attribute.
1147 * doc/extend.texi: Document eturns_twice' attribute.
1148 * tree.h (DECL_IS_RETURNS_TWICE): New macro.
1149 (struct tree_decl): Add returns_twice_flag.
1151 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
1153 * tree-ssa-phiopt.c: Fix a comment typo.
1155 * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
1156 loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
1157 config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
1160 2005-03-08 Richard Henderson <rth@redhat.com>
1162 * config/alpha/alpha.c (code_for_builtin): Replace special-case
1163 builtin codes with ctzdi2, clzdi2, popcountdi2.
1164 (struct alpha_builtin_def): Add is_const.
1165 (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
1166 (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
1167 (alpha_init_builtins): Init them. Set nothrow and const attributes
1169 (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
1170 alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
1171 alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
1172 alpha_fold_vector_minmax, alpha_fold_builtin_perr,
1173 alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
1174 alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
1175 alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
1176 alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
1177 (TARGET_FOLD_BUILTIN): New.
1178 * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
1179 (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
1181 (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
1183 2005-03-08 Ira Rosen <irar@il.ibm.com>
1185 PR tree-optimization/20122
1186 * tree-vect-analyze.c (vect_object_analysis): Analyze initial
1187 condition of access function instead of base.
1189 2005-03-07 Jeff Law <law@redhat.com>
1190 Steven Bosscher <stevenb@suse.de>
1192 * tree-cfg.c (find_taken_edge_computed_goto): New function.
1193 (find_taken_edge): Call find_taken_edge_computed_goto as
1194 appropriate. Allow any gimple invariant rather than just
1195 INTEGER_CST for VAL.
1196 (cleanup_control_flow): Cleanup a computed goto which has turned
1198 (tree_merge_blocks): If block B has any forced labels, move
1199 them to the start of block A.
1200 * tree-ssa-dom.c (thread_across_edge): Allow threading across
1201 computed gotos as well.
1202 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
1203 removal of unnecessary computed gotos too.
1204 (lookup_redirection_data): Fix type of INSERT argument. Callers
1207 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
1209 * tree-ssa-phiopt.c: Update copyright. Fix indentations.
1210 Remove trailing spaces.
1212 * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
1213 unshare_all_trees): Make them static.
1214 * tree-gimple.h: Remove the corresponding prototypes.
1216 * diagnostic.h: Remove unused prototype
1217 debug_output_buffer.
1218 * modulo-sched.c: Remove unused prototype
1219 set_row_column_for_ps.
1221 * tree-ssa-phiopt.c (tree_ssa_phiopt,
1222 replace_phi_edge_with_variable): Remove unused variable i.
1224 2005-03-07 Per Bothner <per@bothner.com>
1226 * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
1228 2005-03-06 Andrew Pinski <pinskia@physics.uc.edu>
1231 * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
1232 bbs on the COND_EXPR instead of the PHI_NODEs.
1233 (candidate_bb_for_phi_optimization): Remove.
1234 (replace_phi_with_stmt): Rename to ...
1235 (replace_phi_edge_with_variable): this and change so that we
1236 replace the phi argument instead of removing the PHI.
1237 (conditional_replacement): Change so we deal with PHI with more
1239 (value_replacement): Likewise.
1240 (abs_replacement): Likewise.
1242 2005-03-07 Aldy Hernandez <aldyh@redhat.com>
1244 * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
1245 output_e500_flip_gt_bit.
1247 * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
1249 (rs6000_generate_compare): Fix logic to look at the correct bits.
1250 (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
1252 (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
1253 gen_e500_flip_gt_bit. Rename gen_move_from_CR_eq_bit to
1254 gen_move_from_CR_gt_bit.
1256 * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
1257 ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
1258 (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
1260 * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
1261 (E500_CR_IOR_COMPARE): New constant.
1263 2005-03-08 Earl Chew <earl_chew@agilent.com>
1264 David Billinghurst <David.Billinghurst@riotinto.com>
1266 * config/i386/host-cygwin.c: New file to support precompiled
1268 * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
1269 * config.host: Use above files for cygwin host.
1271 2005-03-07 David Edelsohn <edelsohn@gnu.org>
1273 * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
1274 ordering ops from earlier change.
1276 2005-03-07 Per Bothner <per@bothner.com>
1278 Various fixes to allow us to again build if --enable-mapped-location:
1279 * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
1280 unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
1281 * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
1282 local variable loc. Change logic appropriately.
1283 * tree-vect-transform.c (vect_finish_stmt_generation): Use
1284 EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
1285 * c-parser.c (c_parser_for_statement): Initialize loc variable.
1286 * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
1287 DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
1289 2005-03-07 Richard Sandiford <rsandifo@redhat.com>
1291 PR rtl-optimization/19683
1292 * reload1.c (choose_reload_regs): Pass the number of bits, not the
1293 number of bytes, to smallest_int_for_mode. Fix arguments to
1294 REG_CANNOT_CHANGE_MODE_P.
1296 2005-03-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1298 * reorg.c (relax_delay_slots): Check that the jump is
1299 conditional before trying to invert it.
1301 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
1303 * bb-reorder.c (max_entry_frequency, max_entry_frequency):
1306 * calls (stack_arg_under_construction): Make it static.
1308 * flow.c (regs_live_at_setjmp): Make it static.
1309 * flow.h: Remove the corresponding prototype.
1311 * reload1.c (reload_startobj, reload_firstobj,
1312 something_needs_operands_changed, reload_inherited,
1313 reload_inheritance_insn, reload_override_in,
1314 reload_spill_index): Make them static.
1316 * recog.c (verify_changes): Make it static.
1317 * recog.h: Remove the corresponding prototype.
1319 * cfgbuild.c (find_sub_basic_blocks): Remove.
1320 * basic-block.h: Remove the corresponding prototype.
1321 * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
1323 * doc/cfg.texi: Don't mention find_sub_basic_blocks.
1325 * tree-ssa-operands.c (check_build_stmt): Remove.
1327 * stor-layout.c (set_alignment): Remove.
1328 * tree.h: Remove the corresponding prototype.
1330 * tree-ssa-pre.c (has_abnormal_preds): Make it static.
1332 * tree-ssa-dce.c (control_dependence_map,
1333 visited_control_parents): Make them static.
1335 * cfghooks.c (verify_flow_info): Remove local variable
1338 * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
1341 * loop-unswitch.c (unswitch_loop): Remove local variable src.
1343 2005-03-07 David Billinghurst <David.Billinghurst@riotinto.com>
1345 * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
1347 2005-03-07 Joseph S. Myers <joseph@codesourcery.com>
1349 * config/ia64/hpux.h (LINK_SPEC): Add -z.
1350 * config/ia64/ia64.c (ia64_function_value): Return a REG not a
1351 PARALLEL for an empty structure.
1353 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
1355 * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
1357 * fold-const.c (fold_binary): Unroll the very first "for"
1360 2005-03-06 David Edelsohn <edelsohn@gnu.org>
1362 * config/rs6000/predicates.md (branch_comparison_operator): Remove
1363 redundant match_code test.
1364 (scc_comparison_operator): Swap match_operand and match_code
1366 (branch_positive_comparison_operator): Same.
1367 (trap_comparison_operator): Use comparison_operator and swap with
1370 2005-03-06 Marek Michalkiewicz <marekm@amelek.gda.pl>
1373 * config/avr/avr.c (print_operand): Add 'p' and 'r'.
1374 (out_movhi_r_mr): Read low byte of volatile MEM first.
1375 (out_movhi_mr_r): Write high byte of volatile MEM first.
1377 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
1379 * cselib.c (reg_values, reg_values_size): Make them static.
1381 * cse.c (cse_reg_info_table): Make it static.
1383 * fold-const.c (fold_unary): Use build1 instead of copy_node.
1385 2005-03-06 Zdenek Dvorak <dvorakz@suse.cz>
1387 * cse.c (find_best_addr): Use canon_for_address.
1389 2005-03-06 Kazu Hirata <kazu@cs.umass.edu>
1391 * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
1392 (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
1393 SUBREG and MEM, respectively.
1395 * fold-const.c (fold_binary): Use code instead of t.
1397 * fold-const.c (optimize_minmax_comparison): Take decomposed
1398 arguments code, type, op0, and op1 instead of t.
1399 (fold_binary): Update a call to optimize_minmax_comparison.
1401 * fold-const.c (fold_range_test): Take decomposed arguments
1402 code, type, op0, and op1 instead of t.
1403 (fold_binary): Update a call to fold_range_test.
1405 * fold-const.c (fold_binary_op_with_conditional_arg): Take
1406 decomposed arguments code, type, op0, and op1 instead of t.
1407 (fold_binary): Update a call to fold_range_test.
1409 2005-03-06 Kazu Hirata <kazu@cs.umass.edu>
1411 * fold-const.c (fold_binary): Avoid directly using the original
1412 expression t as much as possible.
1414 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
1416 * c-semantics.c (build_stmt): Use TYPE_P instead of
1417 IS_NON_TYPE_CODE_CLASS.
1418 * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
1419 (NON_TYPE_CHECK): Use TYPE_P instead of
1420 IS_NON_TYPE_CODE_CLASS.
1422 * fold-const.c (fold): Remove handling of binary expressions.
1424 2005-03-05 James A. Morrison <phython@gcc.gnu.org>
1426 * doc/c-tree.texi: Wrap comments in @r{}.
1427 * doc/cpp.texi: Likewise.
1428 * doc/cppinternals.texi: Likewise.
1429 * doc/extend.texi: Likewise.
1430 * doc/md.texi: Likewise.
1431 * doc/objc.texi: Likewise.
1432 * doc/sourcebuild.texi: Likewise.
1433 * doc/tm.texi: Likewise.
1436 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
1438 * predict.c (apply_return_prediction): Standardize PHI chain
1440 * tree-ssa.c (ssa_redirect_edge): Likewise.
1442 * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
1443 gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
1446 * tree-phinodes.c (remove_phi_node): Drop the last argument.
1447 * tree-flow.h: Adjust the prototype for remove_phi_node.
1448 * lambda-code.c (perfect_nestify): Adjust a call to
1451 (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
1452 * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
1454 * tree-ssa-dce.c (remove_dead_phis): Likewise.
1455 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
1456 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
1457 * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
1459 * combine.c (simplify_and_const_int): Use gen_int_mode instead
1460 of GEN_INT (trunc_int_for_mode (...)).
1461 * loop-iv.c (iv_number_of_iterations): Likewise.
1462 * postreload.c (reload_cse_move2add): Likewise.
1463 * simplify-rtx.c (simplify_const_unary_operation,
1464 simplify_const_binary_operation): Likewise.
1465 * stor-layout.c (get_mode_bounds): Likewise.
1467 * fold-const.c (fold_binary): New.
1468 (fold): Call fold_binary on binary expressions.
1470 2005-03-05 Richard Sandiford <rsandifo@redhat.com>
1472 * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
1473 * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
1474 (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
1475 (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
1476 (ASM_SPEC): Pass down -msym32 and -mno-sym32.
1478 2005-03-04 Devang Patel <dpatel@apple.com>
1480 PR tree-optimization/18815
1481 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1482 loops with zero exit edges.
1484 2005-03-04 Devang Patel <dpatel@apple.com>
1486 * doc/invoke.texi: Remove reference to webpage that does not exist.
1488 2005-03-04 John David Anglin <dave.danglin@nrc-cnrc.gc.ca>
1489 Joseph S. Myers <joseph@codesourcery.com>
1492 * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
1493 (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
1494 * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
1495 * pa.c (get_plabel): Change argument to symbol_ref. Call
1496 maybe_get_identifier instead of get_identifier.
1497 (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
1498 (struct deferred_plabel): Replace name field with symbol field.
1499 (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
1500 ASM_OUTPUT_EXTERNAL_REAL is defined.
1501 (output_global_address): Use output_addr_const for output of all
1503 (output_deferred_plabels): Use symbol_ref instead of name for address
1505 * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
1506 ASM_OUTPUT_SYMBOL_REF): New macros.
1507 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw. Update
1509 (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
1512 2005-03-05 Joseph S. Myers <joseph@codesourcery.com>
1514 * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
1515 *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
1517 2005-03-04 Jeff Law <law@redhat.com>
1519 * basic-block.h (rediscover_loops_after_threading): Declare.
1520 * tree-ssa-dom.c: Include cfgloop.h.
1521 (tree_ssa_dominator_optimize): Discover loops and some basic
1522 properties. Remove forwarder blocks recreated by loop header
1523 canonicalization. Also mark backedges in the CFG.
1524 * tree-ssa-threadupdate.c: Include cfgloop.h
1525 (rediscover_loops_after_threading): Define.
1526 (struct local_info): New field, JUMP_THREADED.
1527 (prune_undesirable_thread_requests): New function.
1528 (redirect_edges): Clear EDGE_ABNORMAL. If edges were threaded
1529 then record that fact for the callers of redirct_edges.
1530 (thread_block): If BB has incoming backedges, then call
1531 prune_undesirable_thraed_requests. Note when we are
1532 going to have to rediscover loop information. Return a
1533 boolean indicating if any jumps were threaded.
1534 (thread_through_all_blocks): Bubble up boolean indicating
1535 if any jumps were threaded.
1536 * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
1537 (tree-ssa-threadupdate.o): Similarly.
1539 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
1541 * fold-const.c (fold_ternary): Unroll the "for" loop to
1544 2005-03-04 Andrew Haley <aph@redhat.com>
1546 * unwind-dw2-fde-glibc.c (struct
1547 unw_eh_callback_data.check_cache): New field.
1548 (frame_hdr_cache): New.
1549 (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
1550 Cache frame header info.
1552 2005-03-04 Richard Sandiford <rsandifo@redhat.com>
1554 * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
1555 (print_c_condition): Declare.
1556 * read-rtl.c (ptr_loc): New structure.
1557 (ptr_locs, ptr_loc_obstack, joined_conditions)
1558 (joined_conditions_obstack): New variables.
1559 (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
1560 (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
1561 (join_c_conditions, print_c_condition): New functions.
1562 (apply_macro_to_string): Associate the new string with the same
1563 source location as the old one.
1564 (add_condition_to_string): Use join_c_conditions.
1565 (read_string): Use set_rtx_ptr_loc to record a filename and line
1566 number for the string.
1567 (read_rtx): Initialize the new variables above.
1568 * genattrtab.c (write_test_expr, write_attr_value): Use
1570 * genconditions.c (write_header): Don't define MAYBE_EVAL. Move its
1571 comment above the GCC_VERSION check.
1572 (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
1573 Inline the definition of MAYBE_EVAL.
1574 * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
1575 * genoutput.c (process_template): Likewise.
1576 * genpreds.c (write_predicate_subfunction): Likewise.
1577 (write_predicate_expr): Use print_c_condition.
1578 * genrecog.c (write_cond): Likewise.
1579 * gensupport.c (process_rtx): Use join_c_conditions to join the
1580 conditions of a define_insn_and_split. Record a source location
1581 for the string after the "&&".
1582 (alter_test_for_insn): Use join_c_conditions.
1584 2005-03-04 Andrew Pinski <pinskia@physics.uc.edu>
1587 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
1588 PR tree-optimization/15784
1589 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
1592 2005-03-04 Ben Elliston <bje@au.ibm.com>
1594 * gcc.c (option_map): Add --coverage.
1595 (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
1596 (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
1597 * config/darwin.h: Pass -lgcov for `coverage'.
1598 * doc/invoke.texi (Debugging Options): Document --coverage.
1600 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
1602 * gcse.c (bypass_block): Use find_edge wherever possible.
1604 2005-03-03 Daniel Berlin <dberlin@dbrelin.org>
1608 * c-opts.c (c_common_parse_file): Call start_source_file
1609 and end_source_file at the approriate times.
1611 * dwarf2out.c (dwarf2out_finish): Don't auto-end
1612 the main file, it will be done for us now.
1614 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
1616 * fold-const.c (fold_ternary): New.
1617 (fold): Call fold_ternary on ternary expressions. Remove
1618 handling of ternary expressions.
1620 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
1622 PR tree-optimization/15784
1623 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
1626 2005-03-03 David Edelsohn <edelsohn@gnu.org>
1628 * config/rs6000/predicates.md (branch_comparison_operator):
1629 Convert from C block to conditional format.
1631 2005-03-03 Jan Hubicka <jh@suse.cz>
1633 * tree-dfa.c (add_referenced_var): Don't walk initializer of external
1634 and non-constant public variables.
1636 2005-03-03 Kazu Hirata <kazu@cs.umass.edu>
1638 * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
1641 * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
1644 * tree-phinodes.c (remove_phi_node): Clean up by factoring out
1645 calls to release_ssa_name and release_phi_node.
1647 * fold-const.c (fold): Remove handling of unary expressions.
1649 * fold-const.c (fold_unary): Avoid directly using the original
1650 expression t as much as possible.
1652 2005-03-03 Roger Sayle <roger@eyesopen.com>
1653 Andrew Pinski <pinskia@physics.uc.edu>
1655 * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
1656 RETURN rtx, and not a LABEL_REF containing a NULL pointer.
1658 2005-03-03 Hans-Peter Nilsson <hp@axis.com>
1660 Describe special registers SRP and MOF as allocatable registers.
1661 * config/cris/cris.c (cris_md_asm_clobbers): New function.
1662 (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
1663 (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
1664 TARGET_HAS_MUL_INSNS.
1665 (cris_print_operand) <case 'd'>: New case.
1666 <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
1667 * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
1669 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
1670 (REG_ALLOC_ORDER): Update for MOF.
1671 (enum reg_class): New members MOF_REGS, GENERAL_REGS and
1673 (GENERAL_REGS): No longer a define of ALL_REGS.
1674 (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
1675 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1677 (CRIS_SPECIAL_REGS_CONTENTS): New macro.
1678 (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
1679 (SECONDARY_RELOAD_CLASS): Define.
1680 (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
1681 (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
1682 (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
1683 (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
1684 (REGISTER_MOVE_COST): Define.
1685 (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
1686 * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
1687 (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
1688 (CRIS_MOF_REGNUM): New define_constants.
1689 ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
1691 ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
1693 ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
1694 ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
1695 Adjust for MOF being properly described as a register.
1696 (indir_to_reg_split): Name this split. Conditionalize on the
1697 destination register being a general register.
1698 (movei): Conditionalize on on operands 0 and 1 having the same
1701 2005-03-03 Alan Modra <amodra@bigpond.net.au>
1704 * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
1705 -mcpu to override any other explicitly given flags.
1707 2005-03-02 J"orn Rennecke <joern.rennecke@st.com>
1709 * recog.c (verify_changes, confirm_change_group): New functions,
1710 broken out of apply_change_group.
1711 (apply_change_group): Use them.
1712 * recog.h (verify_change, confirm_change_group): Declare.
1713 * rtl.h (redirect_jump_2): Declare.
1714 * jump.c (redirect_exp, invert_exp): Delete.
1715 (invert_exp_1): Take second parameter. Return value. Changed caller.
1716 (redirect_jump_2): New function, broken out of redirect_jump.
1717 (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
1718 (invert_jump): Use invert_jump_1 and redirect_jump_2.
1719 * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
1721 2005-03-02 Geoffrey Keating <geoffk@apple.com>
1723 * varasm.c (named_section): Use xstrdup rather than doing it by
1726 * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
1728 2005-03-02 Devang Patel <dpatel@apple.com>
1730 Undo PR tree-optimization/18815 fix.
1732 2005-03-02 Devang Patel <dpatel@apple.com>
1734 PR tree-optimization/18815
1735 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1736 loops with zero exit edges.
1738 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
1740 * cfg.c (connect_src, connect_dest, disconnect_src,
1741 disconnct_dest): New.
1742 (unchecked_make_edge, remove_edge, redirect_edge_succ,
1743 redirect_edge_pred): Use the new functions.
1745 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1746 free_dominance_info only when needed.
1748 2005-03-02 David Edelsohn <edelsohn@gnu.org>
1751 * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
1752 (reg_or_sub_cint64_operand): Same.
1754 2005-03-02 Jeff Law <law@redhat.com>
1756 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
1757 CFG_ALTERED in the main DOM iteration loop.
1759 2005-03-02 Mark Mitchell <mark@codesourcery.com>
1762 * varasm.c (initializer_constant_valid_p): Allow conversions
1763 between OFFSET_TYPEs. Tidy.
1765 2005-03-02 Hans-Peter Nilsson <hp@axis.com>
1767 * config/cris/cris.md ("return"): Remove epilogue delay list
1770 2005-03-02 Daniel Jacobowitz <dan@codesourcery.com>
1772 * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
1774 * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
1776 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
1778 * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
1779 loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
1780 config/m68k/m68k.c, config/mips/mips.h,
1781 config/rs6000/rs6000-protos.h, doc/contrib.texi,
1782 doc/include/gcc-common.texi: Update copyright.
1784 PR middle-end/18029 and PR middle-end/18030
1785 * expr.c (optimize_bitfield_assignment_op): Add a special case
1786 to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
1788 * fold-const.c (fold_unary): New.
1789 (fold): Call fold_unary on unary expressions.
1791 2005-03-02 Richard Guenther <rguenth@gcc.gnu.org>
1793 * cgraph.h (struct cgraph_edge): Add prev_caller and
1795 (cgraph_node_remove_callees): Export.
1796 * cgraph.c (cgraph_create_edge): Initialize prev_caller
1798 (cgraph_edge_remove_callee): New function.
1799 (cgraph_edge_remove_caller): Likewise.
1800 (cgraph_remove_edge): Use.
1801 (cgraph_redirect_edge_callee): Likewise.
1802 (cgraph_node_remove_callees): New function.
1803 (cgraph_node_remove_callers): Likewise.
1804 (cgraph_remove_node): Use.
1805 * tree-optimize.c (tree_rest_of_compilation): Use
1806 cgraph_node_remove_callees instead of manual loop.
1807 * cgraphunit.c (cgraph_finalize_function): Likewise.
1808 (cgraph_expand_function): Likewise.
1809 (cgraph_remove_unreachable_nodes): Likewise.
1811 2005-03-02 Joseph S. Myers <joseph@codesourcery.com>
1814 * c-tree.h (undeclared_variable, build_external_ref): Add extra
1816 * c-decl.c (undeclared_variable): Take location as argument.
1817 * c-typeck.c (build_external_ref): Likewise.
1818 * c-parser.c (c_parser_postfix_expression): Pass location of
1819 identifier to build_external_ref.
1821 2005-03-01 David Edelsohn <edelsohn@gnu.org>
1823 * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
1824 CCEQ mode for branch_positive_comparison_operator test.
1825 * config/rs6000/predicates (branch_comparison_operator): Revert to
1827 (scc_comparison_operator): Same.
1828 (branch_positive_comparison_operator): Same.
1830 2005-03-01 Hans-Peter Nilsson <hp@axis.com>
1832 * config/cris/cris.c (cris_eligible_for_epilogue_delay)
1833 (cris_delay_slots_for_epilogue): Remove.
1834 (save_last): Move into cris_target_asm_function_epilogue.
1835 (cris_target_asm_function_epilogue): Remove tests for file being
1837 * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
1838 (cris_delay_slots_for_epilogue): Remove prototypes.
1839 * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
1840 (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
1842 2005-03-01 David Edelsohn <edelsohn@gnu.org>
1844 * config/rs6000/predicates.md (branch_comparison_operator): Change
1845 to define_special_predicate.
1846 (scc_comparison_operator): Same.
1847 (branch_positive_comparison_operator): Same.
1849 2005-03-01 Daniel Berlin <dberlin@dberlin.org>
1851 * Makefile.in (tree-ssa-sink.o): New.
1852 (OBJS-common): Add tree-ssa-sink.o.
1853 * common.opt: Add -ftree-sink
1854 * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
1855 * timevar.def (TV_TREE_SINK): new timevar.
1856 * tree-flow.h (is_hidden_global_store): Prototype.
1857 * tree-optimize.c (init_tree_optimization_passes): Add
1859 * tree-pass.h (pass_sink_code): New.
1860 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
1861 for non-obvious global store store to is_hidden_global_store, and
1862 call that new function.
1863 * tree-ssa-sink.c: New file.
1864 * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
1865 * doc/passes.texi: Document forward store motion.
1866 * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
1867 * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
1868 * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
1869 * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
1871 2005-03-01 Per Bothner <per@bothner.com>
1873 * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
1874 and we have a non-zero column-number, add it to the message.
1875 Also factor out the diagnostic_kind_text.
1877 2005-03-01 Zdenek Dvorak <dvorakz@suse.cz>
1879 * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
1880 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1881 flow_loop_scan): Removed.
1882 (flow_loop_dump): Do not dump removed fields.
1883 (flow_loop_free): Do not free removed fields.
1884 (flow_loops_find): Flags argument removed. Do not call flow_loop_scan.
1885 (loop_exit_edge_p): New function.
1886 * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
1887 num_pre_header_edges, entry_edges, num_entries, exit_edges,
1888 num_exits, exits_doms.
1889 (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
1890 LOOP_EDGES, LOOP_ALL): Removed.
1891 (flow_loop_scan): Declaration removed.
1892 (loop_exit_edge_p, mark_loop_exit_edges): Declare.
1893 * cfgloopmanip.c (create_loop_notes): Do not pass flags to
1895 * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
1896 (if_convert): Call flow_loops_find and flow_loops_free
1897 when calling mark_loop_exit_edges.
1898 * cfgloopanal.c (mark_loop_exit_edges): Moved from
1899 ifcvt.c. Removed the flow_loops_find, flow_loops_free and
1900 free_dominance_info calls.
1901 * loop-init.c (flow_loops_find): Ditto.
1902 * passes.c (rest_of_handle_branch_prob): Ditto.
1903 * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
1904 * loop-unroll.c (analyze_insns_in_loop): Do not use
1906 * predict.c (predict_loops): Do not call flow_loop_scan.
1907 Use get_loop_exit_edges.
1908 (tree_estimate_probability): Do not pass flags to flow_loops_find.
1909 * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
1910 Do not use EDGE_LOOP_EXIT.
1911 (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
1912 to bb_with_exit_edge_p.
1913 (if_convertible_loop_p): Do not call flow_loop_scan. Use
1914 loop->single_exit. Do not use EDGE_LOOP_EXIT. Pass loop
1915 to bb_with_exit_edge_p.
1916 (combine_blocks): Pass loop to bb_with_exit_edge_p. Do not use
1918 * tree-loop-linear.c (linear_transform_loops): Do not call
1919 flow_loop_scan. Use loop->single_exit.
1920 * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
1921 (vect_analyze_loop_form): Do not call flow_loop_scan.
1922 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
1924 (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
1926 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1927 slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1928 slpeel_tree_duplicate_loop_to_edge_cfg,
1929 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1930 Use loop_preheader_edge and loop->single_exit. Do not call
1933 2005-03-01 Nick Clifton <nickc@redhat.com>
1935 * config/arm/arm.c (thumb_find_work_register): Check all of the
1936 argument registers to see if they are free, and a couple of
1937 special cases where the last argument register but can be proved
1938 to be available during the function's prologue.
1939 (print_multi_reg, arm_compute_save_reg0_reg12_mask,
1940 output_return_instruction, emit_multi_reg_push, thumb_pushpop,
1941 thumb_unexpanded_epilogue): Use unsigned long as the type for the
1943 (thumb_compute_save_reg_mask): Likewise. Also use
1944 thumb_find_work_register() to ensure that there is agreement about
1945 which work register is going to be used in the prologue.
1946 (thumb_output_function_prologue): Use unsigned long as the type
1947 for the register bit-mask. Also delay pushing the link register if
1948 other high registers are going to be pushed.
1949 (thumb_compute_save_reg_mask, emit_multi_reg_push,
1950 print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
1951 redundant prototypes.
1953 2005-02-28 John David Anglin <dave.anglin#nrc-cnrc.gc.ca>
1956 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
1957 and after reload in REG+REG indexed addresses without REG_POINTER
1958 set in the base and not set in the index.
1960 2005-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
1962 * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
1963 Don't undefine here.
1964 (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
1965 (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
1966 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1967 (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
1968 LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
1970 * config.gcc (sh*-*-linux*): Use config/linux.h.
1972 2005-02-28 Dale Johannesen <dalej@apple.com>
1973 Stan Shebs <shebs@apple.com>
1975 Rewrite of 64-bit Darwin structure-by-value pass/return.
1976 * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
1977 intoffset, use_stack, named.
1978 * config/rs6000/rs6000.c (rs6000_darwin64_function_arg): Remove.
1979 (rs6000_darwin64_record_arg_advance_flush): New.
1980 (rs6000_darwin64_record_arg_advance_recurse): New.
1981 (rs6000_darwin64_record_arg_flush): New.
1982 (rs6000_darwin64_record_arg_recurse): New.
1983 (rs6000_darwin64_record_arg): New.
1984 (rs6000_return_in_memory): Remove AGGREGATE_TYPE_P check.
1985 (function_arg_boundary): Handle 128-bit aligned structs.
1986 (function_arg_advance): Rewrite darwin64 struct handling.
1987 (function_arg): Call rs6000_darwin64_record_arg.
1988 (function_arg_partial_nregs): Handle darwin64 structs.
1989 (rs6000_darwin64_function_value): Remove.
1990 (rs6000_function_value): Call rs6000_darwin64_record_arg.
1992 2005-02-28 Roger Sayle <roger@eyesopen.com>
1994 PR tree-optimization/20216
1995 * tree-chrec.c (tree_fold_factorial): Delete.
1996 (tree_fold_binomial): Change argument list to take a return type
1997 and change the type of K to unsigned int. Rewrite to avoid explicit
1998 evaluation of factorials, and (recursively) calling fold to perform
1999 compile-time arithmetic. Return NULL on (internal) overflow.
2000 (chrec_evaluate): Change type of K to an unsigned int. Avoid
2001 calling tree_fold_binomial unnecessarily. Return chrec_dont_know
2002 if any intermediate calculation overflows.
2003 (chrec_apply): Update call to chrec_evaluate.
2005 2005-02-28 James E Wilson <wilson@specifixinc.com>
2007 * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
2009 2005-02-28 Joseph S. Myers <joseph@codesourcery.com>
2012 * c-parser.c (c_parser_compound_statement): Return error_mark_node
2013 instead of NULL_TREE on error.
2015 2005-02-28 David Edelsohn <edelsohn@gnu.org>
2017 * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
2018 (EASY_VECTOR_15_ADD_SELF): Remove.
2019 (num_insns_constant_wide): Not static.
2020 (validate_condition_mode): Not static.
2021 (toc_relative_expr_p): Not static.
2022 (legitimate_indirect_address_p): Not static.
2023 (macho_lo_sum_memory_operand): Not static.
2024 (invalid_e500_subreg): Not static.
2025 (easy_vector_same): Not static.
2026 (easy_vector_splat_const): Not static.
2027 (RS6000_SYMBOL_REF_TLS_P): Remove.
2028 (any_operand): Delete.
2029 (any_parallel_operand): Delete.
2030 (count_register_operand): Delete.
2031 (altivec_register_operand): Delete.
2032 (xer_operand): Delete.
2033 (s8bit_cint_operand): Delete.
2034 (short_cint_operand): Delete.
2035 (u_short_cint_operand): Delete.
2036 (non_short_cint_operand): Delete.
2037 (exact_log2_cint_operand): Delete.
2038 (gpc_reg_operand): Delete.
2039 (cc_reg_operand): Delete.
2040 (cc_reg_not_cr0_operand): Delete.
2041 (reg_or_short_operand): Delete.
2042 (reg_or_neg_short_operand): Delete.
2043 (reg_or_aligned_short_operand): Delete.
2044 (reg_or_u_short_operand): Delete.
2045 (reg_or_cint_operand): Delete.
2046 (reg_or_arith_cint_operand): Delete.
2047 (reg_or_add_cint64_operand): Delete.
2048 (reg_or_sub_cint64_operand): Delete.
2049 (reg_or_logical_cint_operand): Delete.
2050 (got_operand): Delete.
2051 (got_no_const_operand): Delete.
2052 (easy_fp_constant): Delete.
2053 (easy_vector_constant): Delete.
2054 (easy_vector_constant_add_self): Delete.
2055 (zero_constant): Delete.
2056 (zero_fp_constant): Delete.
2057 (volatile_mem_operand): Delete.
2058 (offsettable_mem_operand): Delete.
2059 (mem_or_easy_const_operand): Delete.
2060 (add_operand): Delete.
2061 (non_add_cint_operand): Delete.
2062 (logical_operand): Delete.
2063 (non_logical_cint_operand): Delete.
2064 (mask_operand): Delete.
2065 (mask_operand_wrap): Delete.
2066 (mask64_operand): Delete.
2067 (mask64_2_operand): Delete.
2068 (and64_operand): Delete.
2069 (and64_2_operand): Delete.
2070 (and_operand): Delete.
2071 (reg_or_mem_operand): Delete.
2072 (lwa_operand): Delete.
2073 (symbol_ref_operand): Delete.
2074 (call_operand): Delete.
2075 (current_file_function_operand): Delete.
2076 (input_operand): Delete.
2077 (rs6000_nonimmediate_operand): Delete.
2078 (rs6000_tls_symbol_ref): Delete.
2079 (save_world_operation): Delete.
2080 (restore_world_operation): Delete.
2081 (load_multiple_operation): Delete.
2082 (store_multiple_operation): Delete.
2083 (vrsave_operation): Delete.
2084 (mfcr_operation): Delete.
2085 (mtcrf_operation): Delete.
2086 (lmw_operation): Delete.
2087 (stmw_operation): Delete.
2088 (branch_comparison_operator): Delete.
2089 (branch_positive_comparison_operator): Delete.
2090 (scc_comparison_operator): Delete.
2091 (trap_comparison_operator): Delete.
2092 (boolean_operator): Delete.
2093 (boolean_or_operator): Delete.
2094 (min_max_operator): Delete.
2095 * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
2096 (EASY_VECTOR_15): Moved to here.
2097 (EASY_VECTOR_15_ADD_SELF): Move to here.
2098 (PREDICATE_CODES): Delete.
2099 * config/rs6000/rs6000-protos.h: Delete predicate functions.
2100 Declare functions no longer static.
2101 * config/rs6000/predicates.md: New.
2102 * config/rs6000/rs6000.md: Include predicates.md
2104 2005-02-28 Kazu Hirata <kazu@cs.umass.edu>
2106 * calls.c (emit_call_1): Don't use REG_ALWAYS_RETURN.
2107 (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
2109 * cfgrtl.c (need_fake_edge_p): Likewise.
2110 * combine.c (distribute_notes): Likewise.
2111 * emit-rtl.c (try_split): Likewise.
2112 * recog.c (peephole2_opimize): Likewise.
2113 * reg-notes.def (ALWAYS_RETURN): Remove.
2114 * rtl.h (LCT_ALWAYS_RETURN): Remove.
2115 * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
2116 * tree.h (ECF_ALWAYS_RETURN): Remove.
2118 2005-02-28 Roger Sayle <roger@eyesopen.com>
2121 * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
2122 between different machine modes is never a "useless" conversion.
2124 2005-02-28 Geert Bosch <bosch@gnat.com>
2127 * doc/contrib.texi: List contributors for Ada front end
2129 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
2131 * simplify-rtx.c (simplify_unary_operation_1,
2132 simplify_const_unary_operation): New, extracted from...
2133 (simplify_unary_operation): ... this one.
2134 (simplify_binary_operation_1,
2135 simplify_const_binary_operation): New, extracted from...
2136 (simplify_binary_operation): ... this one.
2137 * rtl.h (simplify_const_unary_operation,
2138 simplify_const_binary_operation): Add prototypes.
2140 2005-02-28 Julian Brown <julian@codesourcery.com>
2142 * config/elfos.h: Revert my patch from 2005-02-25 since it broke
2143 building libjava and caused PR regression/20228.
2145 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
2148 * Makefile.in (host_subdir): New.
2149 (build_objdir): New. Replace ../$(build_subdir) with it throughout.
2150 * configure: Regenerate.
2152 2005-02-27 Zack Weinberg <zack@codesourcery.com>
2154 * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
2155 * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
2156 installation directory first.
2158 2005-02-28 Hans-Peter Nilsson <hp@axis.com>
2161 * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
2162 not including (reg). Do not check for reg being CRIS_PC_REGNUM.
2163 (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
2164 * config/cris/cris.md: Tweak comments referring to Q.
2165 ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
2166 ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
2167 ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
2168 ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
2169 ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
2170 Insert spaces in constraints to align alternatives vertically for
2172 ("cmphi"): Ditto. Add separate alternative for operand 0 "r",
2175 2005-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2177 PR rtl-optimization/17728
2178 * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
2179 operand 0 from general_operand to move_dest_operand.
2181 2005-02-26 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2183 * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
2184 instead of trying to save and restore TREE_SYMBOL_REFERENCED.
2185 * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
2186 (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
2188 2005-02-26 Nathanael Nerode <neroden@gcc.gnu.org>
2190 * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
2191 * configure: Regenerate.
2192 * libada-mk.in: Remove CC; rename
2193 cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
2195 2005-02-26 Andrew Pinski <pinskia@physics.uc.edu>
2198 * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
2199 for the lhs, also walk over the tree. Likewise for rhs.
2201 2005-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2203 * tree-ssa-dom.c (simple_iv_increment_p): New function.
2204 (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
2205 Do not propagate value of iv before increment over the increment.
2207 2005-02-25 Joseph S. Myers <joseph@codesourcery.com>
2209 * c-parser.c: New file.
2210 * c-parse.in: Remove.
2211 * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
2213 (c-parser.o): Add dependencies.
2214 (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
2215 maintainer-clean, TAGS): Update.
2216 * c-config-lang.in (gtfiles): Update.
2217 * gengtype-lex.l: Don't handle "@@".
2218 * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
2219 objc_build_synchronized, objc_begin_try_stmt,
2220 objc_begin_catch_clause, objc_finish_catch_clause,
2221 objc_build_finally_clause, objc_finish_try_stmt): New.
2222 * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
2224 (c_parse_init): Update comment.
2225 * c-decl.c (c_init_decl_processing): Update comment.
2226 (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
2227 declspecs_add_scspec, declspecs_add_attrs): Initialize and update
2228 new c_declspecs members.
2230 2005-02-25 Julian Brown <julian@codesourcery.com>
2232 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2233 from being used for symbols with vague linkage when
2234 HAVE_GAS_COMDAT_GROUP is true.
2236 2005-02-25 Mark Mitchell <mark@codesourcery.com>
2238 * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
2240 2005-02-25 Steve Ellcey <sje@cup.hp.com>
2243 * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
2244 (LIBGCC2_HAS_DF_MODE): New.
2245 (LIBGCC2_HAS_XF_MODE): New.
2246 (LIBGCC2_HAS_TF_MODE): New.
2247 * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2248 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2249 * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2250 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2251 (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
2252 * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
2253 and add _fixtfdi, _fixunstfdi, _floatditf
2254 * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
2255 L_fixunstfdi, L_floatditf.
2256 * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
2257 (LIBGCC2_HAS_TF_MODE): Define.
2259 2005-02-25 Diego Novillo <dnovillo@redhat.com>
2261 PR tree-optimization/20204
2262 * tree-into-ssa.c (insert_phi_nodes_for): Do not use
2263 REWRITE_THIS_STMT markers on PHI nodes.
2264 (rewrite_initialize_block): Likewise.
2266 2005-02-25 Mark Mitchell <mark@codesourcery.com>
2268 * version.c (version_string): Update to 4.1.
2270 2005-02-25 Paolo Carlini <pcarlini@suse.de>
2272 * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
2273 Clarify that the alternative way doesn't work in GNU C++.
2275 2005-02-25 Zdenek Dvorak <dvorakz@suse.cz>
2277 PR tree-optimization/19937
2278 * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
2279 to the type of the induction variable.
2281 2005-02-25 Kaz Kojima <kkojima@gcc.gnu.org>
2283 PR rtl-optimization/20117
2284 * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
2285 the block including noncopyable insn.
2287 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
2289 * cse.c (delete_trivially_dead_insns): Speed up by minimizing
2290 calls to find_reg_note.
2292 2005-02-24 Richard Henderson <rth@redhat.com>
2295 * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
2298 2005-02-24 Fariborz Jahanian <fjahanian@apple.com>
2300 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
2301 vector types if to use base reg for misaligned non-word ld/std.
2303 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
2306 * config/cris/cris.c (cris_target_asm_function_prologue): Create
2307 dwarf2 label manually and put it after, not before the prologue.
2309 2005-02-24 David Edelsohn <edelsohn@gnu.org>
2312 * reload.c (operands_match_p): Only increment register number for
2313 SCALAR_INT_MODE_P modes in multiple hard registers.
2315 * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
2318 2005-02-24 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2320 * ChangeLog.5: Fix log message typo(s).
2321 * ChangeLog.7: Likewise.
2322 * ChangeLog.tree-ssa: Likewise.
2323 * cfgexpand.c: Fix comment typo(s).
2324 * conflict.c: Likewise.
2325 * defaults.h: Likewise.
2326 * dwarf2out.c: Likewise.
2328 * ggc-page.c: Likewise.
2329 * tree-eh.c: Likewise.
2330 * tree-ssa-dom.c: Likewise.
2332 2005-02-24 Jakub Jelinek <jakub@redhat.com>
2335 * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
2336 * config/rs6000/darwin-ldouble.c: Only use the .symver directives
2337 if SHARED is defined.
2340 * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
2341 allow splitting only if operands 0 and 3 don't overlap.
2343 2005-02-24 Richard Henderson <rth@redhat.com>
2346 * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
2347 (fold_builtin_1): Call them.
2348 * fold-const.c (fold_complex_mult_parts): Split out from ...
2349 (fold_complex_mult): ... here. Fix typo in both imaginary case.
2350 (fold_complex_div_parts, fold_complex_div): New.
2352 * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
2354 2005-02-24 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2356 * tree-ssa-ccp.c (visit_assignment): Verify that result of
2357 VIEW_CONVERT_EXPR is_gimple_min_invariant.
2359 * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
2360 (print_node): Likewise.
2361 Print TYPE_SIZES_GIMPLIFIED.
2363 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
2365 * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
2366 ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
2367 operands as commutative in constraints.
2369 2005-02-24 Diego Novillo <dnovillo@redhat.com>
2371 * tree-into-ssa.c: Re-organize internal functions.
2373 2005-02-24 Richard Henderson <rth@redhat.com>
2376 * c-opts.c (c_common_post_options): Set flag_complex_method to 2
2378 * common.opt (fcx-limited-range): New.
2379 * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
2380 * toplev.c (flag_complex_method): Initialize to 1.
2381 (process_options): Set flag_complex_method to 0 if
2382 flag_cx_limited_range.
2383 * doc/invoke.texi (-fcx-limited-range): New.
2385 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
2387 * cse.c (delete_trivially_dead_insns): Speed up by using
2388 NEXT_INSN and PREV_INSN directly instead of next_real_insn and
2391 2005-02-24 Andrea Tarani <andrea.tarani@gilbarco.com>
2393 * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
2394 functions when -mid-shared-library is being used.
2396 2005-02-23 Daniel Jacobowitz <dan@codesourcery.com>
2398 * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
2399 (LINK_LIBGCC_SPECIAL_1): Don't mention it.
2400 * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
2401 * system.h: Poison LINK_LIBGCC_SPECIAL.
2403 2005-02-23 James E Wilson <wilson@specifixinc.com>
2405 * gengtype.c (note_insn_name): Make 1 element larger.
2407 2005-02-23 Roger Sayle <roger@eyesopen.com>
2410 PR rtl-optimization/20097
2411 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2412 BImode SUBREGs of SImode registers which confuse the ia64 backend.
2414 2005-02-23 David Edelsohn <edelsohn@gnu.org>
2416 * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
2417 * t-aix52 (SHLIB_INSTALL): Same.
2419 2005-02-23 Kazu Hirata <kazu@cs.umass.edu>
2421 * genpreds.c: Update copyright.
2423 2005-02-23 Michael Beach <michaelb@ieee.org>
2426 * config/sparc/t-elf (startup files): Assemble with CPP.
2428 2005-02-23 Paolo Bonzini <bonzini@gnu.org>
2430 * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
2431 (write_predicate_expr): Likewise.
2433 2005-02-22 Diego Novillo <dnovillo@redhat.com>
2435 PR tree-optimization/20100
2436 PR tree-optimization/20115
2437 * tree-optimize.c (init_tree_optimization_passes): Remove
2438 pass_maybe_create_global_var.
2439 * tree-pass.h (pass_maybe_create_global_var): Remove.
2440 * tree-ssa-alias.c (aliases_computed_p): Declare.
2441 (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
2442 (count_calls_and_maybe_create_global_var): Remove.
2443 (pass_maybe_create_global_var): Remove.
2444 (init_alias_info): Do not declare aliases_computed_p.
2445 (maybe_create_global_var): If the function contains no
2446 call-clobbered variables and a mix of pure/const and regular
2447 function calls, create .GLOBAL_VAR.
2448 Mark all call-clobbered variables for renaming.
2449 (merge_pointed_to_info): Update comment.
2450 (add_pointed_to_var): Likewise.
2451 (is_escape_site): Likewise.
2452 Accept struct alias_info * instead of size_t *.
2454 Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
2456 * tree-ssa-operands.c (get_call_expr_operands): If
2457 ALIASES_COMPUTED_P is false, do not add call-clobbering
2459 * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
2460 (delete_tree_ssa): Likewise.
2462 2005-02-22 James E Wilson <wilson@specifixinc.com>
2464 * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
2465 (do_compile): Do call it here.
2467 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
2469 PR rtl-optimization/20017.
2470 * passes.c (rest_of_handle_combine, rest_of_handle_cse,
2471 rest_of_handle_cse2, rest_of_handle_gcse): Call
2472 delete_dead_jumptables immediately before calling cleanup_cfg.
2474 2005-02-22 Devang Patel <dpatel@apple.com>
2477 * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
2480 2005-02-22 David Edelsohn <edelsohn@gnu.org>
2482 * config/rs6000/aix.h (WINT_TYPE): Define.
2484 2005-02-22 Stan Shebs <shebs@apple.com>
2486 * config/rs6000/rs6000.c (rs6000_override_options): Default to
2487 natural alignment for 64-bit Darwin.
2488 (rs6000_parse_alignment_option): Warn about uses of -malign-power
2490 * doc/invoke.texi: Document this.
2492 2005-02-22 DJ Delorie <dj@redhat.com>
2494 * c-common.c (c_common_type_for_mode): Pass the mode's precision
2495 to make_[un]signed_type, not the mode itself.
2497 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
2499 * cfg.c (cached_make_edge): Call make_edge if edge cache is
2500 not available. Use tail calls wherever possible.
2501 (make_edge): Call unchecked_make_edge to create an edge.
2503 * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
2504 (coalesce_ssa_name): Don't check for
2505 SSANORM_USE_COALESCE_LIST.
2506 (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
2508 2005-02-22 Diego Novillo <dnovillo@redhat.com>
2510 * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
2511 (rewrite_into_ssa): ... here.
2513 2005-02-21 Alexandre Oliva <aoliva@redhat.com>
2515 PR tree-optimization/19786
2516 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
2517 tag to another's may-alias bitmap when adding to the other's list.
2519 2005-02-21 DJ Delorie <dj@redhat.com>
2521 * tree-ssa-loop-ivopts.c (computation_cost): Start register
2522 numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
2523 registers in unsupported ways.
2524 * expmed.c (init_expmed): Likewise.
2526 2005-02-21 Stan Cox <scox@redhat.com>
2528 * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
2530 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
2532 * tree-cfg.c (fold_cond_expr_cond): New.
2533 (make_edges): Call fold_cond_expr_cond.
2534 (find_taken_edge): Accept nothing but INTEGER_CST.
2535 (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
2537 (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
2539 * flow.c (delete_dead_jumptables): Speed up by scanning insns
2540 that do not belong to any basic block.
2542 2005-02-21 Jeff Law <law@redhat.com>
2544 * cfganal.c (find_unreachable_blocks): Manually CSE load of
2547 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
2549 * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
2550 (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
2551 Adjust their definitions.
2552 (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
2553 (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
2555 * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
2556 genautomata.c, langhooks.c, langhooks.h, system.h,
2557 config/arm/lib1funcs.asm: Update copyright.
2559 2005-02-21 Ulrich Weigand <uweigand@de.ibm.com>
2561 * dbxout.c (dbxout_function_end): Emit Lscope label always.
2563 2005-02-21 Richard Guenther <rguenth@gcc.gnu.org>
2566 * doc/install.texi: Document --with-gc.
2568 2005-02-21 Paolo Bonzini <bonzini@gnu.org>
2570 * simplify-rtx.c (simplify_unary_operation): Add a missing
2573 2005-02-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2575 PR tree-optimization/18663
2576 * tree-ssa-dom.c (extract_range_from_cond): Return 0
2577 if the type has variable bounds.
2579 2005-02-20 Kazu Hirata <kazu@cs.umass.edu>
2581 * gcse.c: Remove an obsolete comment.
2583 * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
2585 2005-02-20 Hans-Peter Nilsson <hp@axis.com>
2587 * doc/extend.texi (Function Attributes) <Attribute const>: The
2588 attribute "pure" is below this text, not above.
2590 2005-02-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2592 * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
2593 (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
2594 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
2596 2005-02-20 Zack Weinberg <zack@codesourcery.com>
2599 * langhooks.h (struct lang_hooks): Add to_target_charset.
2600 * langhooks.c (lhd_to_target_charset): New function.
2601 * langhooks-def.h: Declare lhd_to_target_charset.
2602 (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
2603 (LANG_HOOKS_INITIALIZER): Update.
2604 * c-common.c (c_common_to_target_charset): New function.
2605 * c-common.h: Declare it.
2606 * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
2607 c_common_to_target_charset.
2609 * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
2610 (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
2612 * system.h: Poison them.
2613 * doc/tm.texi: Don't discuss them.
2614 * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
2615 * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
2616 (pp_c_char): Do not attempt to generate letter escapes for
2618 * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
2619 * config/mips/mips.c (mips_output_ascii): Likewise.
2621 2005-02-20 Dorit Naishlos <dorit@il.ibm.com>
2623 PR tree-optimization/19951
2624 * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
2627 2005-02-19 Steven Bosscher <stevenb@suse.de>
2630 * function.h (struct function): New field `max_loop_depth'.
2631 * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
2632 (flow_loops_find): Reset the max loop depth count before finding loops.
2633 * flow.c (MAX_LIVENESS_ROUNDS): New constant.
2634 (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
2635 (calculate_global_regs_live): Make sure the loop will terminate
2636 when the initial sets are not empty.
2638 2005-02-19 Zack Weinberg <zack@codesourcery.com>
2640 * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
2642 * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
2644 2005-02-19 Richard Sandiford <rsandifo@redhat.com>
2647 * doc/invoke.texi: Remove documentation of %M spec.
2649 (init_spec): Remove %M suffix from -lgcc_s.
2650 (do_spec_1): Remove 'M' case.
2651 * mklibgcc.in: Remove SHLIB_MULTILIB handling. Expect SHLIB_LINK
2652 to put shared libraries in the multilib directory. Remove the
2653 shlib_so_soname substitution variable. Don't add a multilib encoding
2654 to shlib_base_name. Set shlib_slibdir_qual to the full pathname
2655 reported by -print-multi-os-directory. Pass @multilib_dir@ to
2656 SHLIB_INSTALL as well as SHLIB_LINK.
2657 * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
2658 (SHLIB_NAME): Delete.
2659 (SHLIB_DIR): New macro.
2660 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
2661 (SHLIB_INSTALL): Adjust accordingly.
2662 * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
2663 * config/t-slibgcc-sld: Likewise.
2664 * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
2665 (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
2666 (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
2668 (SHLIBUNWIND_INSTALL): Adjust accordingly.
2669 * config/i386/t-nwld (SHLIB_SONAME): Delete.
2670 (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
2671 Use @shlib_base_name@ instead of @shlib_so_name@.
2672 * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
2673 and @shlib_base_name@.so in @multilib_dir@.
2674 (SHLIB_INSTALL): Adjust accordingly. Add @shlib_slibdir_qual@
2675 to the install path.
2676 * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
2677 (SHLIB_LINK): Remove previous workaround.
2678 * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
2679 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
2680 (SHLIB_INSTALL): Adjust accordingly. Add $(SHLIB_SLIBDIR_QUAL) to
2682 * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
2683 @multilib_dir@. Use @multilib_dir@ to check for threading libraries.
2684 (SHLIB_INSTALL): Adjust accordingly.
2685 (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
2686 * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
2687 * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
2688 config/t-slibgcc-elf-ver.
2690 2005-02-19 Zdenek Dvorak <dvorakz@suse.cz>
2691 Jakub Jelinek <jakub@redhat.com>
2693 PR tree-optimization/19828
2694 * tree-ssa-loop-im.c: Add a TODO comment.
2695 (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
2696 without side-effects.
2698 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
2700 * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
2703 2005-02-18 James E. Wilson <wilson@specifixinc.com>
2705 * doc/invoke.texi (IA-64 Options): Delete -mb-step.
2706 * config/ia64/ia64.c (last_group, group_idx): Delete variables.
2707 (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
2709 (ia64_reorg): Delete fixup_errata call.
2710 * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
2711 (TARGET_SWITCHES): Delete -mb-step entry.
2713 2005-02-19 Jakub Jelinek <jakub@redhat.com>
2716 * c-typeck.c (composite_type): Handle quals in transparent unions.
2717 (type_lists_compatible_p): Likewise.
2719 2005-02-18 Stan Shebs <shebs@apple.com>
2721 * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
2722 expressions in the .literal8 section.
2724 2005-02-18 Geoffrey Keating <geoffk@apple.com>
2726 * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
2728 2005-02-18 Roger Sayle <roger@eyesopen.com>
2730 * fold-const.c (constant_boolean_node): Always create values of the
2731 specified type, don't bother calling truthvalue_conversion.
2733 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
2735 * except.c (output_function_exception_table): Call
2736 assemble_external_libcall (eh_personality_libfunc).
2738 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
2741 * config/ia64/ia64.h (struct machine_function): Add state_num.
2742 * config/ia64/ia64.c (process_epilogue,
2743 process_for_unwind_directive): Use new unwind state numbers each
2744 time rather than state 1.
2746 2005-02-18 Ulrich Weigand <uweigand@de.ibm.com>
2749 * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
2750 before the "*llgt_didi" pattern.
2752 2005-02-18 Jason Merrill <jason@redhat.com>
2754 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
2756 2005-02-18 Richard Earnshaw <rearnsha@arm.com>
2758 * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
2759 (div0): Use it in place of ARM_FUNC_ALIAS.
2760 (lshrdi3, ashrdi3, ashlrdi3): Likewise.
2762 2005-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2765 * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
2766 access, the lower bound of the array type if it exists.
2768 2005-02-18 Alexandre Oliva <aoliva@redhat.com>
2771 * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
2772 cases that are out-of-range for the index type.
2774 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
2776 * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
2777 (estimate_case_costs): Don't call convert.
2778 * expmed.c (expand_shift): Likewise.
2779 (make_tree): Call fold_convert instead of convert.
2781 2005-02-18 Jakub Jelinek <jakub@redhat.com>
2784 * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
2785 that ref to be marked MEM_READONLY_P doesn't have base that needs
2788 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
2790 * genautomata.c (output_get_cpu_unit_code_func,
2791 output_cpu_unit_reservation_p): Don't generate old-style function
2794 2005-02-18 Jakub Jelinek <jakub@redhat.com>
2797 PR tree-optimization/20009
2798 * convert.c (convert_to_integer): Revert 2005-02-16 change.
2800 PR tree-optimization/18947
2801 * cgraphunit.c (cgraph_finalize_function): When redefining an extern
2802 inline, remove all nodes that are inlined into the extern inline
2805 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
2807 * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
2808 loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
2809 tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
2810 config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
2813 2005-02-17 Roger Sayle <roger@eyesopen.com>
2815 PR tree-optimization/19917
2816 * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
2817 to be potentially trapping.
2819 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
2821 * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
2823 2005-02-17 Andreas Krebbel <krebbel1@de.ibm.com>
2825 * builtins.c (expand_builtin_return_addr): Remove tem parameter.
2826 tem becomes a local variable which is set to the value of the
2827 back end defined INITIAL_FRAME_ADDRESS macro.
2828 (expand_builtin_frame_address): Omit the base parameter to
2829 expand_builtin_return_addr.
2830 (expand_builtin_profile_func): Likewise.
2831 * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
2832 (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
2833 * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
2835 2005-02-17 Jakub Jelinek <jakub@redhat.com>
2837 * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
2838 s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
2839 * config/frv/frv.c (frv_function_epilogue): Likewise.
2841 2005-02-17 Daniel Berlin <dberlin@dberlin.org>
2843 * lambda-code (perfect_nestify): Remove mark/unmark
2845 * tree-loop-linear.c (linear_transform_loops): Add
2846 rewrite_into_ssa call so that ssa is correct for
2847 rewriting into loop closed.
2849 2005-02-17 Nathan Sidwell <nathan@codesourcery.com>
2851 * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
2852 * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
2854 * bt-load.c (btr_def_live_range, combine_btr_defs,
2855 migrate_btr_def, migrate_btr_defs): Likewise.
2856 * cfgcleanup.c (thread_jump): Likewise.
2857 * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
2858 * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
2859 df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
2860 df_rd_local_compute, df_reg_info_compute): Likewise.
2861 * dominance.c (init_dom_info, free_dom_info): Likewise.
2862 * flow.c (init_propagate_block_info,
2863 free_propagate_block_info): Likewise.
2864 * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
2865 * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
2866 modify_reg_pav): Likewise.
2867 * loop-invariant.c (find_defs, find_invariant_insn,
2868 find_invariants, free_inv_motion_data): Likewise.
2869 * predict.c (tree_predict_by_opcode,
2870 estimate_bb_frequencies): Likewise.
2871 * stmt.c (expand_case): Likewise.
2872 * tree-cfg.c (tree_duplicate_sese_region): Likewise.
2873 * tree-dfa.c (mark_new_vars_to_rename): Likewise.
2874 * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
2875 * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
2876 get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
2877 rewrite_ssa_into_ssa): Likewise.
2878 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2879 * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
2880 analyze_edges_for_bb, perform_edge_inserts): Likewise.
2881 * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
2882 * tree-sra.c (tree_sra): Likewise.
2883 * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
2884 * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2885 * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
2886 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2887 * tree-ssa-dse.c (tree_ssa_dse): Likewise.
2888 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
2890 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
2891 calculate_live_on_entry, calculate_live_on_exit,
2892 build_tree_conflict_graph): Likewise.
2893 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
2894 record_important_candidates, set_use_iv_cost, find_depends,
2895 determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
2896 tree_ssa_iv_optimize_finalize): Likewise.
2897 * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
2898 find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
2899 tree_duplicate_loop_to_header_edge): Likewise.
2900 * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
2901 * tree-ssa.c (verify_flow_insensitive_alias_info,
2902 verify_name_tags, verify_ssa, init_tree_ssa,
2903 delete_tree_ssa): Likewise.
2904 * tree-ssanames.c (marked_ssa_names, init_ssanames,
2905 fini_ssanames): Likewise.
2906 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
2908 2005-02-17 Ralf Corsepius <ralf.corsepius@rtems.org>
2910 * config/rs6000/t-rtems: Completely reworked.
2912 2005-02-17 Ira Rosen <irar@il.ibm.com>
2914 * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
2916 2005-02-17 Ira Rosen <irar@il.ibm.com>
2918 * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
2919 POINTER_TYPE_P when checking that type is a pointer.
2920 (vect_get_memtag): Remove.
2921 (vect_address_analysis): Use POINTER_TYPE_P. Call
2922 vect_object_analysis with dummy parameter for memtag.
2923 (vect_object_analysis): Extract memtag (functionality that
2924 used to be in vect_get_memtag and moved here). Fix printings.
2925 (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
2926 with correct parameters. Remove call to vect_get_memtag.
2928 2005-02-17 Dorit Naishlos <dorit@il.ibm.com>
2930 * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
2931 (tree-vectorizer.o): Added missing dependencies.
2933 * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
2935 (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
2936 declaration in tree-vectorizer.c, now has an extern declaration in
2938 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2939 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2940 get_vectype_for_scalar_type, vect_is_simple_use,
2941 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2942 vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
2943 new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
2944 vectorizable_store, vectorizable_operation, vectorizable_assignment,
2945 vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
2946 find_loop_location): Likewise.
2948 * tree-vectorizer.c (langhooks.h): #include removed.
2949 (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
2950 moved to tree-vectorized.h.
2951 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2952 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2953 get_vectype_for_scalar_type, vect_is_simple_use,
2954 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2955 vect_supportable_dr_alignment, new_loop_vec_info,
2956 destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
2957 vect_set_verbosity_level, find_loop_location): Likewise.
2959 (vect_analyze_loop): Function externalized. Declaration moved to
2960 tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
2961 (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
2962 (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
2963 vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
2964 vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
2965 vect_enhance_data_refs_alignment, vect_analyze_operations,
2966 exist_non_indexing_operands_for_use_p, vect_mark_relevant,
2967 vect_stmt_relevant_p, vect_get_loop_niters,
2968 vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
2969 vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
2970 vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
2971 vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
2972 vect_get_memtag): Likewise.
2974 (vectorizable_load): Function externalized. Declaration moved to
2975 tree-vectorized.h. Function definition moved to tree-vect-transform.c.
2976 (vectorizable_store, vectorizable_operation, vectorizable_assignment,
2977 vect_transform_loop): Likewise.
2978 (vect_transform_stmt): Moved to tree-vect-transform.c.
2979 (vect_align_data_ref, vect_create_destination_var,
2980 vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
2981 vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
2982 vect_get_vec_def_for_operand, vect_init_vector,
2983 vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
2984 vect_build_loop_niters, vect_update_ivs_after_vectorizer,
2985 vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
2986 vect_update_inits_of_drs, vect_do_peeling_for_alignment,
2987 vect_do_peeling_for_loop_bound): Likewise.
2989 * tree-vect-analyze.c: New file.
2990 * tree-vect-transform.c: New file.
2992 2005-02-17 Jason Merrill <jason@redhat.com>
2994 PR mudflap/19319, c++/19317
2995 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
2998 2005-02-17 Gerald Pfeifer <gerald@pfeifer.com>
3000 * doc/install.texi (Specific): Update link for Darwin-specific
3003 2005-02-16 James A. Morrison <phython@gcc.gnu.org>
3005 * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
3006 constant_boolean_node.
3008 2005-02-16 David Edelsohn <edelsohn@gnu.org>
3011 * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
3012 * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
3014 2005-02-16 Richard Henderson <rth@redhat.com>
3017 * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
3019 (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
3020 replace uses with Wtype_MAXp1_F.
3021 (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
3022 L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
3023 L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
3024 L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
3025 and HAVE_TFMODE as appropriate.
3026 (__fixunssfDI): Provide an implementation that doesn't need DFmode.
3027 (__floatdisf): Likewise.
3028 * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
3029 (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
3030 (Wtype_MAXp1_F): New.
3031 (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
3032 __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
3034 2005-02-16 Richard Earnshaw <rearnsha@arm.com>
3037 * arm.c (arm_apply_result_size): New function.
3038 * arm.h (APPLY_RESULT_SIZE): Define.
3039 * arm-protos.h (arm_apply_result_size): Add prototype.
3040 * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
3041 (movxf): New expand.
3042 (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
3043 (call_value_symbol): Remove predicate for operand 0.
3044 (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
3045 (untyped_call): Rework to correclty return values for any type.
3046 (untyped_return): New expand.
3047 * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
3049 2005-02-16 Stan Shebs <shebs@apple.com>
3051 * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
3052 * config/rs6000/t-darwin8: New, for 64-bit multilib.
3054 2005-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3056 * doc/install.texi (sparc-sun-solaris2*): Document required GMP
3057 configure settings on Solaris 7 and later.
3059 2005-02-16 Diego Novillo <dnovillo@redhat.com>
3061 PR tree-optimization/19865
3062 * tree-optimize.c (init_tree_optimization_passes): Run
3063 pass_may_alias after pass_sra.
3065 2005-02-16 Richard Henderson <rth@redhat.com>
3066 Stuart Hastings <stuart@apple.com>
3069 * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
3070 Do nothing if debug info suppressed for this function.
3071 (dbxout_begin_function): Early exit if debug info suppressed for
3074 2005-02-16 Kazu Hirata <kazu@cs.umass.edu>
3077 * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
3079 * config/sh/sh.c (sh_output_mi_thunk): Likewise.
3081 PR tree-optimization/19967
3082 * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
3083 expand_builtin_strchr, expand_builtin_strrchr): Take a new
3084 argument TYPE. Adjust calls to fold_builtin_XXX.
3085 (expand_builtin, fold_builtin_1): Adjust calls to
3087 (fold_builtin_strchr, fold_builtin_strpbrk,
3088 fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
3089 result to a requested type TYPE.
3091 2005-02-16 Jakub Jelinek <jakub@redhat.com>
3094 * fold-const.c (fold): Don't optimize (T)(x & cst) to
3095 (T)x & (T)cst if (T)cst overflows.
3096 * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
3097 TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
3099 2005-02-15 Jeff Law <law@redhat.com>
3101 * gcse.c (blocks_with_calls): New bitmap.
3102 (alloc_gcse_mem): Allocate it.
3103 (free_gcse_mem): Free it.
3104 (clear_modifY_mem_tables): Clear it.
3105 (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
3106 when we encounter CALL_INSNs.
3107 (compute_transp, case MEM): Handle blocks with calls separate
3108 from blocks without calls. Use bitmap iterators rather than
3111 2005-02-15 Peter O'Gorman <peter@pogma.com>
3114 * mklibgcc.in (vis_hide): Use a temporary object file, not
3117 2005-02-15 Andy Hutchinson <HutchinsonAndy@netscape.net>
3120 * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
3121 access optimization.
3123 2005-02-15 David Edelsohn <edelsohn@gnu.org>
3124 Alan Modra <amodra@bigpond.net.au>
3127 * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
3128 (_xlqsub): Rename to __gcc_qsub.
3129 (_xlqmul): Rename to __gcc_qmul.
3130 (_xlqdiv): Rename to __gcc_qdiv.
3131 Provide versioned symbol aliases with old names.
3132 * config/rs6000/libgcc-ppc64.ver: Rename symbols.
3133 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
3134 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
3135 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
3136 * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
3138 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
3140 * fold-const.c (fold): Fold -(~A) to A + 1. Fold ~(-A) to A - 1.
3141 Fold ~(A - 1) and ~(A + -1) to -A.
3143 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
3147 * config/host-linux.c (linux_gt_pch_use_address): Copy from
3148 config/pa/pa-host.c:pa_gt_pch_use_address.
3150 2005-02-15 Daniel Berlin <dberlin@dberlin.org>
3152 * tree-vn.c (get_value_handle): Make sure that given an
3153 is_gimple_min_invariant expression, we always return it.
3155 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
3157 * passes.c (rest_of_handle_gcse): Fix a comment.
3159 2005-02-15 Jeff Law <law@redhat.com>
3161 * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
3163 (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
3164 (canon_list_insert, record_last_mem_set_info): Similarly.
3165 (clear_modify_mem_tables): Similarly.
3167 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
3169 * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
3170 tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
3171 config/mips/mips.md, config/rs6000/aix.h,
3172 config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
3174 2005-02-15 Richard Henderson <rth@redhat.com>
3176 * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
3177 call to be best_edge.
3179 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
3181 * basic-block.h: Adjust the prototype for find_basic_blocks.
3182 * cfgbuild.c (find_basic_blocks): Remove unused arguments.
3183 * passes.c (rest_of_handle_loop_optimize): Adjust the call to
3186 * flow.c (recompute_reg_usage): Remove all arguments.
3187 * passes.c (rest_of_compilation): Adjust the call to
3188 recompute_reg_usage.
3189 * rtl.h: Adjust the prototype for recompute_reg_usage.
3191 2005-02-14 Daniel Berlin <dberlin@dberlin.org>
3193 * tree-dump.c (dump_files): Update to reflect new member
3195 (dump_register): Add new argument.
3197 (dump_switch_p_1): Check against glob name if doglob was passed.
3198 (dump_switch_p): Check against regular first, then glob if
3199 we didn't have any hits on the dump name.
3200 * tree-optimize.c (register_one_dump_file):
3201 Pass in glob name as well.
3202 * tree-pass.h (struct dump_file_info): Add glob
3205 2005-02-14 Joseph S. Myers <joseph@codesourcery.com>
3207 PR preprocessor/16323
3208 * doc/invoke.texi: Document that -Wendif-labels is on by default.
3210 2005-02-14 David Edelsohn <edelsohn@gnu.org>
3213 * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
3214 (trunctfdf2_internal1): New.
3215 (trunctfdf2_internal2): Renamed from trunctfdf2.
3217 2005-02-14 Diego Novillo <dnovillo@redhat.com>
3219 PR tree-optimization/19853
3220 * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
3222 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
3224 * passes.c (rest_of_handle_loop_optimize): Remove calls to
3225 delete_dead_jumptables and cleanup_cfg.
3227 2005-02-14 Ulrich Weigand <uweigand@de.ibm.com>
3229 * reload.c (find_reloads): Swap address_reloaded flags when
3230 swapping commutative operands.
3232 2005-02-14 Sebastian Pop <pop@cri.ensmp.fr>
3234 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
3235 Use standard_iv_increment_position for computing the bsi position
3237 * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
3240 2005-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3243 * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
3244 life range of hard registers.
3245 * value-prof.c (insn_prefetch_values_to_profile): Only
3248 * value-prof.c (rtl_find_values_to_profile): Do not look for values to
3249 profile in libcalls.
3251 2005-02-13 Nathan Sidwell <nathan@codesourcery.com>
3253 * bitmap.h (bitmap_and_compl_into): Return bool.
3254 * bitmap.c (bitmap_and_compl_into): Return changed flag.
3256 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
3258 PR tree-optimization/19944
3259 * fold-const.c (fold): Re-add ABS_EXPR folding.
3261 2005-02-13 David Edelsohn <edelsohn@gnu.org>
3264 * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
3265 {TARGET,MASK}_XL_COMPAT.
3266 (SUBTARGET_SWITCHES): Rename xl-call to xl-compat. Use
3268 * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
3269 * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
3271 (rs6000_arg_partial_bytes): Same.
3272 (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
3273 and XL compatibility enabled.
3274 * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
3275 * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
3276 test to final condition.
3277 (cmptf_internal2): New.
3278 * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
3279 xl-compat. Add TFmode information to description.
3281 2005-02-13 Kazu Hirata <kazu@cs.umass.edu>
3283 * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
3285 2005-02-13 Jason Merrill <jason@redhat.com>
3288 * fold-const.c (fold_indirect_ref_1): Split out from...
3289 (build_fold_indirect_ref): Here.
3290 (fold_indirect_ref): New fn.
3291 * tree.h: Declare it.
3292 * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
3293 (gimplify_modify_expr_rhs): Likewise.
3294 (gimplify_expr): Likewise.
3296 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
3298 PR tree-optimization/14303
3299 PR tree-optimization/15784
3300 * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
3301 Fold ABS_EXPR<x> < 0 to false. Fold ABS_EXPR<x> == 0 to x == 0 and
3302 ABS_EXPR<x> != 0 to x != 0.
3304 2005-02-12 Kazu Hirata <kazu@cs.umass.edu>
3306 * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
3307 simplify-rtx.c, tree-ssa-live.h: Fix comment typos. Follow
3308 spelling conventions.
3310 * passes.c (rest_of_handle_gcse): Don't run cse_main and
3311 delete_trivially_dead_insns too many times.
3313 * passes.c (rest_of_handle_gcse): Remove dead assignments to
3316 2005-02-12 Ira Rosen <irar@il.ibm.com>
3318 * tree-vectorizer.c (vect_get_base_and_offset): Remove.
3319 (vect_is_simple_iv_evolution): Remove redundant parameter
3321 (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
3322 without last parameter.
3323 (vect_analyze_pointer_ref_access): Get access_fn as parameter.
3324 Return pointer step. Call vect_is_simple_iv_evolution without
3325 last parameter. Check only that the step is multiple of size
3326 type. Remove stmt_vinfo updates.
3327 (vect_get_memtag_and_dr): Remove.
3328 (vect_get_memtag): New function.
3329 (vect_address_analysis): New function.
3330 (vect_object_analysis): New function.
3331 (vect_analyze_data_refs): Call vect_object_analysis and
3332 vect_get_memtag. Update stmt_vinfo fields.
3334 2005-02-12 Ira Rosen <irar@il.ibm.com>
3336 * tree-data-ref.c (array_base_name_differ_p): Check that the bases
3337 exist and are objects. Remove checks for pointer.
3338 * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
3339 STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
3340 (vect_create_data_ref_ptr): Likewise.
3341 (vect_base_addr_differ_p): New function.
3342 (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
3343 (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
3344 Don't set the DR_BASE_NAME field of data-ref.
3345 (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
3347 2005-02-12 Uros Bizjak <uros@kss-loka.si>
3349 * optabs.h (enum optab_index): Add new OTI_ldexp.
3350 (ldexp_optab): Define corresponding macro.
3351 * optabs.c (init_optabs): Initialize ldexp_optab.
3352 * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
3354 * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
3356 (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
3357 expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
3359 * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
3360 to implement ldexpf, ldexp and ldexpl built-ins as inline x87
3363 2005-02-12 Ira Rosen <irar@il.ibm.com>
3365 * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
3367 * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
3369 (vect_get_base_and_offset): Always return an address.
3370 (vect_create_addr_base_for_vector_ref): Remove treatment for
3371 different data reference types.
3372 (vect_compute_data_ref_alignment): Rename base to base_address in
3373 stmt_vec_info. Get the object in order to force its alignment.
3374 (vect_get_memtag_and_dr): Rename base to base_address in
3375 stmt_vec_info. Extract the object for memtag analysis.
3377 2005-02-12 Hans-Peter Nilsson <hp@axis.com>
3379 PR regression/19898.
3380 * config/cris/cris.c (cris_notice_update_cc): When testing if insn
3381 changes cc_status, use apply modified_in_p to part of cc_status
3382 and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
3385 2005-02-11 Richard Henderson <rth@redhat.com>
3387 * tree-complex.c (expand_complex_libcall): New.
3388 (expand_complex_multiplication): Use it for c99 compliance.
3389 (expand_complex_division): Likewise.
3390 * fold-const.c (fold_complex_add, fold_complex_mult): New.
3392 * builtins.c (built_in_names): Remove const.
3393 * tree.c (build_common_builtin_nodes): Build complex arithmetic
3395 * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
3396 (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
3397 (built_in_names): Remove const.
3398 * c-common.c (c_common_type_for_mode): Handle complex modes.
3399 * flags.h, toplev.c (flag_complex_method): Rename from
3400 flag_complex_divide_method.
3401 * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
3402 __mulsc3, __muldc3, __mulxc3, __multc3): New.
3403 * libgcc2.h: Declare them.
3404 * libgcc-std.ver: Export them.
3405 * mklibgcc.in (lib2funcs): Build them.
3407 2005-02-11 Steven Bosscher <stevenb@suse.de>
3409 PR tree-optimization/19876
3410 Partially revert my change from 2005-01-14
3411 * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
3412 (compute_antic): ...and remove the loop here.
3414 2005-02-11 Jakub Jelinek <jakub@redhat.com>
3417 * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
3418 is number of inner's bits, avoid creating a BIT_FIELD_REF.
3420 * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
3421 crtend.o if -pie. Use %{x:a;:b} spec syntax.
3423 2005-02-11 Daniel Jacobowitz <dan@codesourcery.com>
3425 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3426 offsets for the big-endian 32-bit case.
3428 2005-02-11 Joseph S. Myers <joseph@codesourcery.com>
3430 * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3432 2005-02-11 Dale Johannesen <dalej@apple.com>
3434 * cselib.c (cselib_process_insn): Clear out regs where
3435 HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
3436 * reload.c (find_equiv_reg): Ditto.
3438 2005-02-11 Ian Lance Taylor <ian@airs.com>
3440 * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
3443 * tree.c (build_function_type_list): Work correctly if there are
3446 2005-02-11 Ulrich Weigand <uweigand@de.ibm.com>
3448 * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
3449 "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
3450 ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
3451 TARGET_ZARCH instead of TARGET_64BIT.
3453 2005-02-11 Ralf Corsepius <ralf.corsepius@rtems.org>
3455 * config/rs6000/t-rtems:
3456 (MULTILIB_OPTIONS): Remove mcpu=602.
3457 (MUTLILIB_DIRNAMES): Remove m602.
3458 (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
3459 Let mcpu=602 match mcpu=603.
3460 (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
3462 2005-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3464 * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
3467 2005-02-10 David Daney <ddaney@avtrex.com>
3469 * config/alpha/linux-unwind.h: Add exception clause to copyright.
3470 * config/i386/linux-unwind.h: Likewise.
3471 * config/ia64/linux-unwind.h: Likewise.
3472 * config/mips/linux-unwind.h: Likewise.
3473 * config/pa/linux-unwind.h: Likewise.
3474 * config/rs6000/linux-unwind.h: Likewise.
3475 * config/s390/linux-unwind.h: Likewise.
3476 * config/sh/linux-unwind.h: Likewise.
3477 * config/sparc/linux-unwind.h: Likewise.
3479 2005-02-10 Steven Bosscher <stevenb@suse.de>
3481 PR tree-optimization/17549
3482 * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
3483 TER to replace a DEF with its expression if the DEF and the
3484 rhs of the expression we replace into have the same root
3487 2005-02-10 Richard Sandiford <rsandifo@redhat.com>
3489 * config/mips/mips.md: Fix the placement of the match_scratch in the
3492 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
3494 * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
3497 2005-02-10 Zdenek Dvorak <dvorakz@suse.cz>
3499 * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
3500 (strip_offset): Handle addresses.
3501 (add_address_candidates): Use strip_offset.
3502 (difference_cost): Reflect strip_offset change.
3503 (force_var_cost, difference_cost): Strip nops.
3505 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
3507 * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
3509 * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
3510 tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
3511 config/cris/cris-protos.h, config/cris/cris.c: Update
3514 2005-02-10 Jeff Law <law@redhat.com>
3516 * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
3517 (lookup_avail_expr): Similarly.
3519 2005-02-10 Richard Guenther <rguenth@gcc.gnu.org>
3521 * builtins.c (fold_builtin_powi): New function.
3522 (fold_builtin_1): Call it.
3524 2005-02-10 Steven Bosscher <stevenb@suse.de>
3526 PR documentation/19309
3527 * doc/cpp.texi: The __GNUC__ and related predefined macros
3528 are also defined for the "standalone" cpp.
3529 Some non-GCC compilers may also define __GNUC__.
3531 2005-02-10 Jakub Jelinek <jakub@redhat.com>
3534 * c-typeck.c (common_type): New routine. Old common_type renamed
3536 (c_common_type): ...this.
3537 (build_conditional_expr, build_binary_op): Use c_common_type instead
3540 2005-02-10 Steven Bosscher <stevenb@suse.de>
3542 * doc/md.texi: Replace @samp{length} with @code{length}.
3544 2005-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3546 PR tree-optimization/18687
3547 * tree-flow.h (find_loop_niter): Declare.
3548 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3549 Try using scev even for loops with more than one exit.
3550 * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
3551 (struct ivopts_data): Added niters field.
3552 (struct nfe_cache_elt): New.
3553 (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
3555 (tree_ssa_iv_optimize_init): Initialize niters cache.
3556 (determine_number_of_iterations): Removed.
3557 (find_induction_variables): Do not call determine_number_of_iterations.
3558 Access niters for single exit through niter_for_single_dom_exit.
3559 (add_iv_outer_candidates): Access niters for single exit through
3560 niter_for_single_dom_exit.
3561 (may_eliminate_iv): Take data argument. Use niter_for_exit. Do not use
3562 number_of_iterations_cond.
3563 (iv_period): New function.
3564 (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
3565 (may_replace_final_value): Take data argument. Use
3566 niter_for_single_dom_exit.
3567 (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
3568 (rewrite_use_compare): Pass data to may_eliminate_iv.
3569 (rewrite_use_outer): Pass data to may_replace_final_value.
3570 (free_loop_data): Clean up the niters cache.
3571 (tree_ssa_iv_optimize_finalize): Free the niters cache.
3572 (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
3573 * tree-ssa-loop-niter.c (find_loop_niter): New function.
3574 (find_loop_niter_by_eval): Use tree_int_cst_lt.
3575 (num_ending_zeros): Moved to tree.c.
3576 * tree.h (num_ending_zeros): Declare.
3577 * tree.c (num_ending_zeros): Moved from tree.c.
3579 2005-02-09 Richard Henderson <rth@redhat.com>
3581 * builtins.c (DEF_BUILTIN): Add COND argument.
3582 * tree.h (DEF_BUILTIN): Likewise.
3583 * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
3584 DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
3586 (DEF_BUILTIN_STUB): New.
3587 (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
3588 BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
3589 BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
3590 * c-common.c (DEF_BUILTIN): Add COND argument.
3591 * tree.c (local_define_builtin): New.
3592 (build_common_builtin_nodes): New.
3594 2005-02-09 Roger Sayle <roger@eyesopen.com>
3596 * fold-const.c (fold_strip_sign_ops): New function to simplify a
3597 floating point expression ignoring the sign of the result.
3598 (fold) <ABS_EXPR>: Use it to simplify fabs(x).
3599 (fold) <MULT_EXPR>: Use it to simplify x*x.
3600 * tree.h (fold_strip_sign_ops): Prototype here.
3601 * builtins.c (fold_builtin_copysign): Take an additional FNDECL
3602 argument. Use fold_strip_sign_ops to simplify the first argument.
3603 (fold_builtin_pow): Use fold_strip_sign_ops to simplify the
3604 first argument when the second argument is an even integer
3605 constant, but only with -funsafe_math_optimizations.
3606 (fold_builtin_1): Update call to fold_builtin_copysign.
3608 2005-02-09 Ian Lance Taylor <ian@airs.com>
3611 * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
3612 just check whether EH_FILTER_FAILURE falls through.
3614 2005-02-09 Andreas Krebbel <krebbel1@de.ibm.com>
3616 * gcc/haifa-sched.c (schedule_block): Make queued sched group
3617 insns return to ready list in the next turn.
3619 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
3622 * builtins.def: New __builtin_powi[lf].
3623 * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
3624 (expand_builtin_powi): New function.
3625 (expand_builtin): Dispatch to expand_builtin_powi.
3626 * libgcc2.h: Add prototypes for __builtin_powi[lf].
3627 * libgcc2.c: Add __builtin_powi[lf] implementation.
3628 * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
3629 * optabs.h: Add powi_optab.
3630 * optabs.c (init_optabs): Initialize powi_optab.
3631 * doc/extend.texi: Document __builtin_powi[lf].
3633 2005-02-09 Dorit Naishlos <dorit@il.ibm.com>
3635 * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
3638 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
3641 * fold-const.c (try_move_mult_to_index): Remove redundant
3642 type argument. Create ADDR_EXPR with correct type.
3643 (fold): Update callers of try_move_mult_to_index. Convert
3644 result to the appropriate type.
3646 2005-02-09 Roger Sayle <roger@eyesopen.com>
3649 * config/avr/avr.c (default_rtx_costs): Delete.
3650 (avr_operand_rtx_cost): New function.
3651 (avr_rtx_costs): Completely rewrite.
3653 2005-02-08 Hans-Peter Nilsson <hp@axis.com>
3656 * config/cris/cris.c (in_code): New variable.
3657 (cris_output_addr_const): Now a static function, a wrapper for
3659 (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
3660 case from old cris_output_addr_const.
3661 (cris_asm_output_label_ref): Similar for LABEL_REF.
3662 (cris_output_addr_const_extra): Similar for UNSPEC.
3663 * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
3664 (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
3665 * config/cris/cris-protos.h (cris_output_addr_const): Remove
3667 (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
3668 (cris_asm_output_label_ref): Declare.
3670 2005-02-08 Paolo Bonzini <bonzini@gnu.org>
3672 PR preprocessor/19801
3673 * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
3674 filenames that changed when libcpp was moved to the toplevel.
3676 2005-02-07 Roger Sayle <roger@eyesopen.com>
3678 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3679 zero extensions of BImode operands. Call lowpart_subreg instead
3680 of gen_lowpart_common and gen_lowpart_SUBREG.
3682 2005-02-07 Nathanael Nerode <neroden@gcc.gnu.org>
3685 * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
3686 * configure.ac: Set cc_for_cross_gnattools.
3687 * configure: Regenerate.
3689 2005-02-08 Alan Modra <amodra@bigpond.net.au>
3692 * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
3694 2005-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3697 * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
3698 of nested functions.
3700 2005-02-07 Jonathan Wakely <redi@gcc.gnu.org>
3702 * doc/extend.texi: Document deprecated extensions allowing
3703 static floating-point members to have initializers and allowing
3704 floating-point literals in integral constant expressions.
3706 2005-02-07 Kazu Hirata <kazu@cs.umass.edu>
3708 * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
3709 config/darwin7.h, config/mips/mips.c,
3710 config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
3713 * cse.c: Update comments.
3715 2005-02-07 Richard Guenther <rguenth@gcc.gnu.org>
3718 * builtins.c (fold_builtin_sqrt): Transform
3719 sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
3722 2005-02-07 Leehod Baruch <leehod@il.ibm.com>
3723 Dorit Naishlos <dorit@il.ibm.com>
3725 * doc/invoke.texi (ftree-vectorizer-verbose): New.
3726 * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
3727 * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
3729 * tree.h (vect_set_verbosity_level): New extern function declaration
3731 * tree-vectorizer.h (verbosity_levels): New enum type.
3732 * tree-vectorizer.c (vect_debug_stats): Function removed.
3733 (vect_debug_details): Likewise.
3734 (vect_verbosity_level): Global variable was defined and initialized.
3735 (vect_dump): Global variable definition.
3736 (vect_print_dump_info): New function.
3737 (vect_set_dump_settings): New function.
3738 (vect_set_verbosity_level): New function.
3739 (vectorize_loops): Add call to vect_set_dump_settings.
3741 (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
3742 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3743 (slpeel_tree_peel_loop_to_edge): Likewise.
3745 (vect_analyze_offset_expr): Call to vect_print_dump_info with
3746 appropriate verbosity level instead of call to vect_debug_details
3747 or vect_debug_stats.
3748 (vect_get_base_and_offset):
3749 (vect_create_addr_base_for_vector_ref):
3750 (get_vectype_for_scalar_type):
3751 (vect_create_data_ref_ptr):
3753 (vect_get_vec_def_for_operand):
3754 (vect_finish_stmt_generation):
3755 (vectorizable_assignment):
3756 (vectorizable_operation):
3757 (vectorizable_store):
3758 (vectorizable_load):
3759 (vect_transform_stmt):
3760 (vect_update_ivs_after_vectorizer):
3761 (vect_do_peeling_for_loop_bound):
3762 (vect_update_inits_of_drs):
3763 (vect_do_peeling_for_alignment):
3764 (vect_transform_loop):
3765 (vect_is_simple_use):
3766 (vect_analyze_operations):
3767 (vect_is_simple_iv_evolution):
3768 (vect_analyze_scalar_cycles):
3769 (vect_analyze_data_ref_dependence):
3770 (vect_analyze_data_ref_dependences):
3771 (vect_compute_data_ref_alignment):
3772 (vect_enhance_data_refs_alignment):
3773 (vect_analyze_data_refs_alignment):
3774 (vect_analyze_data_ref_access):
3775 (vect_analyze_data_ref_accesses):
3776 (vect_analyze_pointer_ref_access):
3777 (vect_get_memtag_and_dr):
3778 (vect_analyze_data_refs):
3779 (vect_mark_relevant):
3780 (vect_stmt_relevant_p):
3781 (vect_mark_stmts_to_be_vectorized):
3782 (vect_can_advance_ivs_p):
3783 (vect_get_loop_niters):
3784 (vect_analyze_loop_form):
3785 (vect_analyze_loop):
3786 (vectorize_loops): Likewise.
3788 (vect_do_peeling_for_loop_bound): Dump format slightly changed.
3789 (vect_update_inits_of_drs):
3790 (vect_do_peeling_for_alignment):
3791 (vect_transform_loop):
3792 (vect_analyze_operations):
3793 (vect_analyze_scalar_cycles):
3794 (vect_analyze_data_ref_dependences):
3795 (vect_analyze_data_refs_alignment):
3796 (vect_analyze_data_ref_accesses):
3797 (vect_analyze_data_refs):
3798 (vect_mark_stmts_to_be_vectorized):
3799 (vect_get_loop_niters):
3800 (vect_analyze_loop_form):
3801 (vect_analyze_loop): Likewise.
3802 (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
3804 2005-02-07 Richard Sandiford <rsandifo@redhat.com>
3808 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
3809 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3810 either -ffast-math or -funsafe-math-optimizations is in use.
3812 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
3813 * config/mips/irix-csr.c: New file.
3814 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3815 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3816 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3819 2005-02-07 Alexandre Oliva <aoliva@redhat.com>
3821 * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
3822 redundant, incorrect definitions.
3824 * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
3826 ("*tls_indirect_call"): New, reference hard regs directly.
3827 * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
3829 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
3831 * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
3832 Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
3834 2005-02-06 Roger Sayle <roger@eyesopen.com>
3836 PR rtl-optimization/19800
3837 * simplify_rtx.c (simplify_relational_operation_1): Explicitly
3838 call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
3841 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
3843 * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
3845 2005-02-07 Joseph S. Myers <joseph@codesourcery.com>
3848 * doc/invoke.texi: Correct documentation of -freorder-functions.
3850 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
3853 * doc/invoke.texi: Don't mention gccbug.
3855 2005-02-06 Roger Sayle <roger@eyesopen.com>
3856 Andrew Pinski <pinskia@physics.uc.edu>
3857 Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
3859 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3860 (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
3861 into just (zero_extract:SI FOO (const_int 1) BAR).
3863 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
3865 * doc/cpp.texi: Include gcc-common.texi. Don't define gcctabopt
3866 macro locally. Don't give last revision date. Use GCC version
3867 number from gcc-common.texi.
3868 * doc/cppinternals.texi: Include gcc-common.texi. Don't give last
3869 revision date. Use GCC version number from gcc-common.texi.
3870 Describe being a library as current state rather than as 3.x
3872 * doc/gcc.texi: Remove last update date.
3873 * doc/gccint.texi: Likewise. Update copyright dates.
3874 * doc/install.texi: Update copyright dates.
3876 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
3879 * doc/invoke.texi: Mention for each option included in -Wall that
3880 it is included in -Wall.
3881 * doc/gcc.texi: Update copyright and last modification date.
3883 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3885 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
3886 unnecessary cast to original induction variable increments.
3888 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3890 PR tree-optimization/18219
3891 * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
3892 in distributed form.
3894 2005-02-06 Richard Sandiford <rsandifo@redhat.com>
3896 * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
3897 Set bitpos and offset later in the function. Do nothing if the
3898 target is a register and if the bitfield lies completely outside
3900 (extract_bit_field): Make the same SUBREG, bitpos and offset changes
3901 here. Return an uninitialised register if the source value is stored
3902 in a register and the bitfield lies completely outside that register.
3904 2005-02-06 Steven Bosscher <stevenb@suse.de>
3906 * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
3909 2005-02-06 Marcin Dalecki <martin@dalecki.de>
3911 * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
3913 2005-02-06 Geoffrey Keating <geoffk@apple.com>
3915 * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
3916 * config/darwin8.h: New.
3917 * config/darwin7.h: Update comment.
3919 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
3920 Dorit Naishlos <dorit@il.ibm.com>
3922 * tree-vectorizer.h (LOC): New type.
3923 (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
3924 (loop_line_number): New field in struct _loop_vec_info.
3925 (LOOP_VINFO_LOC, LOOP_LOC): New macros.
3927 * tree-vectorizer.c (input.h): Included.
3928 (find_loop_location): New function.
3929 (vect_debug_stats): Argument changed from loop to LOC. Computation of
3930 loop line number removed.
3931 (vect_debug_details): Likewise.
3932 (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
3934 (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
3935 call to vect_debug_details/stats changed from loop to loop_loc.
3936 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3937 (slpeel_tree_peel_loop_to_edge): Likewise.
3939 (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
3940 changed from NULL to UNKNOWN_LOC.
3941 (vect_get_base_and_offset):
3942 (vect_create_addr_base_for_vector_ref):
3943 (get_vectype_for_scalar_type):
3944 (vect_create_data_ref_ptr):
3946 (vect_get_vec_def_for_operand):
3947 (vect_finish_stmt_generation):
3948 (vectorizable_assignment):
3949 (vectorizable_operation):
3950 (vectorizable_store):
3951 (vectorizable_load):
3952 (vect_transform_stmt):
3953 (vect_update_ivs_after_vectorizer):
3954 (vect_do_peeling_for_loop_bound):
3955 (vect_do_peeling_for_alignment):
3956 (vect_transform_loop):
3957 (vect_is_simple_use):
3958 (vect_analyze_operations):
3959 (vect_is_simple_iv_evolution):
3960 (vect_analyze_scalar_cycles):
3961 (vect_analyze_data_ref_dependences):
3962 (vect_compute_data_ref_alignment):
3963 (vect_enhance_data_refs_alignment):
3964 (vect_analyze_data_ref_access):
3965 (vect_analyze_data_ref_accesses):
3966 (vect_analyze_pointer_ref_access):
3967 (vect_get_memtag_and_dr):
3968 (vect_analyze_data_refs):
3969 (vect_mark_relevant):
3970 (vect_stmt_relevant_p):
3971 (vect_mark_stmts_to_be_vectorized):
3972 (vect_can_advance_ivs_p):
3973 (vect_get_loop_niters):
3974 (vect_analyze_loop):
3975 (vectorize_loops): Likewise.
3977 (vectorizable_load): Argument in call to vect_debug_details/stats
3978 changed from loop to LOOP_LOC (loop_vinfo).
3979 (vect_transform_loop):
3980 (vect_analyze_operations):
3981 (vect_analyze_scalar_cycles):
3982 (vect_analyze_data_ref_dependence):
3983 (vect_enhance_data_refs_alignment):
3984 (vect_analyze_data_ref_accesses):
3985 (vect_analyze_pointer_ref_access):
3986 (vect_analyze_data_refs):
3987 (vect_analyze_loop): Likewise.
3989 (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
3990 changed from loop to loop_loc.
3992 (vect_enhance_data_refs_alignment): Removed unused variable loop.
3994 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
3995 Dorit Naishlos <dorit@il.ibm.com>
3997 * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
3999 (vect_analyze_data_ref_dependences): Likewise.
4001 (vect_is_simple_use): Argument changed from loop structure to
4002 loop_vect_info structure.
4003 (vect_can_advance_ivs_p): Likewise.
4004 (vect_create_index_for_vector_ref): Likewise.
4005 (vect_update_ivs_after_vectorizer): Likewise.
4006 (new_stmt_vec_info): Likewise.
4008 (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
4009 changed from loop to loop_vinfo.
4010 (vect_create_data_ref_ptr): First argument in call to
4011 vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
4012 (vectorizable_assignment): Second argument in call to vect_is_simple_use
4013 was changed from loop to loop_vinfo.
4014 (vectorizable_operation): Likewise.
4015 (vectorizable_store): Likewise.
4016 (vect_mark_stmts_to_be_vectorized): Likewise.
4017 (vect_do_peeling_for_loop_bound): First argument in call to
4018 vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
4019 (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
4020 was changed from loop to loop_vinfo.
4021 (vect_analyze_data_ref_dependences): Third argument in call to
4022 vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
4024 (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
4025 (vect_create_data_ref_ptr): Likewise.
4026 (vect_init_vector): Likewise.
4027 (vect_get_vec_def_for_operand): Likewise.
4028 (vectorizable_assignment): Likewise.
4029 (vectorizable_operation): Likewise.
4030 (vectorizable_store): Likewise.
4031 (vectorizable_load): Likewise.
4032 (vect_update_ivs_after_vectorizer): Likewise.
4033 (vect_is_simple_use): Likewise.
4034 (vect_analyze_data_ref_dependence): Likewise.
4035 (vect_analyze_pointer_ref_access): Likewise.
4036 (vect_can_advance_ivs_p): Likewise.
4038 * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
4039 before _stmt_vec_info.
4040 (_stmt_vec_info): Loop field replaced by loop_vec_info.
4041 (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
4042 (new_stmt_vec_info): Argument changed from loop structure to
4043 loop_vect_info structure
4045 (vect_analyze_data_ref_dependences): Unnecessary line was removed.
4046 (vect_analyze_offset_expr): Avoid 80 columns overflow.
4047 (vect_create_addr_base_for_vector_ref): Likewise.
4048 (vect_analyze_pointer_ref_access): Likewise.
4050 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
4053 * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
4054 phi flag if the phi is abnormal.
4056 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
4059 * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
4060 information for the new statement.
4062 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
4065 * gcc.c (main): Include the target in -v output.
4067 2005-02-03 Alexandre Oliva <aoliva@redhat.com>
4069 * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
4070 Do not drop the extend if we'd have to add a paradoxical subreg
4071 later. Include optabs.h and insn-codes.h.
4072 * Makefile.in (combine.o): Depend on $(OPTABS_H).
4074 2005-02-02 Roger Sayle <roger@eyesopen.com>
4077 * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
4078 * fold-const.c (const_binop): Avoid constant folding floating
4079 point operations in modes that use composite representations.
4080 * simplify-rtx.c (simplify_binary_operation): Likewise.
4082 2005-02-02 Geoffrey Keating <geoffk@apple.com>
4084 * config/rs6000/altivec.md (altivec_dst): Make the first operand
4086 (altivec_dstt): Likewise.
4087 (altivec_dstst): Likewise.
4088 (altivec_dststt): Likewise.
4089 * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
4092 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
4094 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
4095 EXPR_LOCUS from orig_cond to the new cond_stmt.
4096 (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
4099 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
4101 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
4102 standard_iv_increment_position. Remove call to bsi_next
4103 (no need to bump the iterator anymore).
4104 (vect_create_index_for_vector_ref): Call
4105 standard_iv_increment_position. Remove second function argument.
4106 (vect_finish_stmt_generation): Remove call to bsi_next
4107 (no need to bump the iterator anymore).
4108 (vect_create_data_ref_ptr): Remove second argument (bsi) in call
4109 to vect_create_index_for_vector_ref.
4111 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
4113 * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
4114 phis are used out of the loop.
4116 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
4119 * c-decl.c (undef_nested_function): New variable.
4120 (pop_scope): Diagnose undefined nested functions.
4121 (finish_function): Don't attempt cgraph processing or genericizing
4122 if current top-level function contained an undefined nested
4123 function. Reset undef_nested_function at the end of a top-level
4126 2005-02-02 Zdenek Dvorak <dvorakz@suse.cz>
4128 * tree.c (build_int_cst_type): Take sign of the value into account
4129 when deciding whether sign extend the value.
4131 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
4134 * gcc.c (cpp_unique_options): Remove %{trigraphs}.
4135 (cpp_options, cc1_options): Change %{std*&ansi} to
4136 %{std*&ansi&trigraphs}.
4138 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
4140 * cse.c: Update comments.
4142 2005-02-02 Aldy Hernandez <aldyh@redhat.com>
4144 * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
4145 arguments go on the stack. Do not put complex doubles in odd/even
4148 2005-02-02 Steven Bosscher <stevenb@suse.de>
4150 * doc/invoke.texi: Update the options enabled at -O1, -O2,
4151 and -O3. Update the documentation for -fgcse-sm, -fgcse-las,
4152 -ftree-pre, and -fthread-jumps.
4154 2005-02-02 Richard Sandiford <rsandifo@redhat.com>
4156 PR tree-optimization/19578
4157 * tree-flow.h (modified_noreturn_calls): Declare.
4158 (noreturn_call_p): Declare.
4159 * tree-flow-inline.h (noreturn_call_p): New function.
4160 (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
4161 * tree-cfg.c (modified_noreturn_calls): New variable.
4162 (cleanup_control_flow): Use noreturn_call_p. Split basic blocks
4163 that contain a mid-block noreturn call.
4164 * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
4166 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
4168 * df.c (df_def_record_1, df_uses_record): Don't use
4170 * df.h (DF_FOR_REGALLOC): Remove.
4172 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
4175 * c-typeck.c (really_start_incremental_init): Reset
4176 constructor_max_index for arrays of incomplete type.
4178 2005-02-02 Jeff Law <law@redhat.com>
4180 * gcse.c (struct reg_set): Store the block index where the register
4181 was set rather than the setting insn.
4182 (record_one_set, compute_transp): Corresponding changes.
4183 (pre_insert_copy_insn): Do not call replace_one_set.
4184 (replace_one_set): Remove.
4186 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
4189 * doc/gcov.texi: Fix typo.
4191 2005-02-01 Richard Henderson <rth@redhat.com
4194 * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
4195 * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
4197 (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
4198 * config/i386/i386-protos.h: Update.
4200 2005-02-01 Steven Bosscher <stevenb@suse.de>
4202 PR tree-optimization/19217
4203 * tree-cfg.c (verify_expr): Use the data field to see if TP was
4204 seen inside a PHI node. Do not do the ADDR_EXPR check if it was.
4205 (verify_stmts): Pass (void*)1 as data to verify_expr to signal
4206 that it is walking a PHI node.
4208 2005-02-01 Joseph S. Myers <joseph@codesourcery.com>
4210 * doc/extend.texi (Nested Functions): Update.
4212 2005-02-01 Richard Henderson <rth@redhat.com>
4215 * optabs.c (expand_copysign_absneg): Export.
4216 * optabs.h (expand_copysign_absneg): Declare.
4217 * config/rs6000/rs6000.md (copysigntf3): New.
4219 2005-02-01 Diego Novillo <dnovillo@redhat.com>
4221 PR tree-optimization/19633
4222 * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
4223 * tree-ssa-alias.c (init_alias_info): Initialize.
4224 (merge_pointed_to_info): Set.
4225 (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
4226 (dump_points_to_info_for): Show value of pt_null.
4227 (struct count_ptr_d): Declare.
4228 (find_ptr_dereference): Remove.
4229 (ptr_is_dereferenced_by): Remove.
4230 (count_ptr_derefs): New local function.
4231 (count_uses_and_derefs): New local function.
4232 (compute_points_to_and_addr_escape): Call it. If the number
4233 of dereferences is greater than zero, mark the pointer as
4234 dereferenced. If there are fewer dereferences than uses of
4235 the pointer, the pointer's value escapes.
4237 2005-02-01 Diego Novillo <dnovillo@redhat.com>
4239 PR tree-optimization/19670
4240 * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
4242 (verify_use): ... set it here, instead.
4244 2005-02-01 Janis Johnson <janis187@us.ibm.com>
4246 * doc/sourcebuild.texi (Test directives): Fix formatting.
4248 * doc/sourcebuild.texi (Test directives): Describe selector
4251 2005-02-01 Segher Boessenkool <segher@kernel.crashing.org>
4253 * config.gcc (powerpc64-*-linux*): Default to -m64 also for
4254 specific 64-bit CPUs.
4256 2005-02-01 Richard Earnshaw <rearnsha@arm.com>
4259 * arm.c (arm_eliminable_register): New function.
4260 (adjacent_mem_locations): Don't allow eliminable registers. Use
4261 HOST_WIDE_INT for address offsets.
4262 * arm-protos.h (arm_eliminable_register): Add prototype.
4264 2005-02-01 Steven Bosscher <stevenb@suse.de>
4266 PR optimization/15242
4267 * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
4268 * basic-block.h (duplicate_computed_gotos): Add prototype.
4269 * bb-reorder.c (duplicate_computed_gotos): New function to
4270 duplicate sufficiently small blocks ending in a computed jump.
4271 * passes.c (rest_of_compilation): Call duplicate_computed_gotos
4272 if not optimizing for size.
4273 * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
4274 never do tail merging for blocks ending in a computed jump.
4275 * doc/invoke.texi: Document the max-goto-duplication-insns param.
4277 2005-02-01 Eric Botcazou <ebotcazou@libertysurf.fr>
4279 Patch from Richard Sandiford <rsandifo@redhat.com>
4280 * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
4281 from inheriting a subreg equivalence with a non-spill register.
4283 * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
4285 2005-02-01 Alexandre Oliva <aoliva@redhat.com>
4287 * config/frv/frv.c (movcc_fp_destination_operand): New.
4288 (gpr_or_memory_operand): Fix typo in comment.
4289 (gpr_or_memory_operand_with_scratch): New.
4290 * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
4291 * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
4292 movcc_fp_destination_operand.
4293 (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
4294 Legitimize memory addresses using a scratch register.
4296 2005-01-31 Jeff Law <law@redhat.com>
4298 * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
4299 bitmap a sparse bitmap instead of a simple bitmap.
4300 (mark_def_sites_initialize_block): Corresponding changes.
4301 (ssa_mark_def_sites_initialize_block): Likewise.
4302 (ssa_mark_phi_uses): Likewise.
4303 (mark_def_site, ssa_mark_def_sites): Likewise.
4304 (mark_def_site_blocks): Likewise.
4305 (rewrite_ssa_into_ssa): Likewise.
4307 * tree-ssa-dom.c (record_cond): Pass correct variable type
4308 for last argument to htab_find_slot_with_hash.
4310 * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
4311 effects when optimizing 0 % X. Do not try to optimize X % 0.
4313 2005-01-31 James E. Wilson <wilson@specifixinc.com>
4315 * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
4318 2005-02-01 Eric Christopher <echristo@redhat.com>
4320 * config/mips/mips.c (override_options): Warn if -mint64
4322 * doc/invoke.texi (MIPS Options): Document that -mint64 is
4325 2005-02-01 Kazu Hirata <kazu@cs.umass.edu>
4327 * cse.c (cse_reg_info): Remove hash_next, next, regno. Add
4329 (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
4330 REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
4331 cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
4332 (cached_regno): Initialize to INVALID_REGNUM.
4333 (cse_reg_info_table_size,
4334 cse_reg_info_table_first_uninitialized,
4335 cse_reg_info_timestamp): New.
4336 (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
4338 (init_cse_reg_info, get_cse_reg_info_1): New.
4339 (get_cse_reg_info): Cache the last look-up.
4340 (new_basic_block): Update the code to clear mappings from
4341 registers to cse_reg_info entries.
4342 (cse_main): Call init_cse_reg_info.
4344 * cse.c (get_cse_reg_info): Update a comment.
4346 2005-01-31 Steven Bosscher <stevenb@suse.de>
4349 * c-decl.c (start_decl): Do not warn about arrays of elements with
4350 an incomplete type here.
4351 (grokdeclarator): Do it here by making a pedwarn an error.
4352 * c-typeck.c (push_init_level): If there were previous errors with
4353 the constructor type, do not warn about braces for initializers.
4354 (process_init_element): Likewise for excess initializer elements.
4356 2005-01-31 Kazu Hirata <kazu@cs.umass.edu>
4358 * cse.c (delete_trivially_dead_insn): Don't iterate.
4360 2005-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4362 * config/rs6000/rs6000.md (copysignsf3): New expand.
4363 (copysigndf3): Likewise.
4365 2005-01-31 Steven Bosscher <stevenb@suse.de>
4367 * recog.c (constrain_operands): Only look for earlyclobber operand
4368 conflicts if an '&' constraint was seen.
4370 2005-01-31 Marc Espie <espie@openbsd.org>
4372 * config.gcc: Don't include embedded systems fragment, switches default
4373 debugging format to ELF.
4374 * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
4375 longer pick it up there.
4377 2005-01-31 Dale Johannesen <dalej@apple.com>
4379 * doc/extend.texi (nested functions): Fix linkage description.
4380 Clarify that static is not allowed.
4382 2005-01-31 Dale Johannesen <dalej@apple.com>
4384 * config/rs6000/darwin.md (movsf_low_di): Make work.
4385 (movdf_low_di): Make work.
4387 2005-01-31 Dale Johannesen <dalej@apple.com>
4389 * config/rs6000/darwin-tramp.asm (__trampoline_setup):
4390 Make work for 64 bit.
4392 2005-01-31 Roger Sayle <roger@eyesopen.com>
4393 Dale Johannesen <dalej@apple.com>
4396 * fold-const.c (fold_binary_op_with_conditional_arg):
4397 Make types match original operands, before STRIP_NOPS.
4399 2005-01-31 Alan Modra <amodra@bigpond.net.au>
4401 * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
4402 (struct gcc_regs): Rename from gcc_pt_regs. Add more regs.
4403 (struct gcc_sigcontext): Delete. Merge contents to..
4404 (struct gcc_ucontext): ..here.
4405 (get_sigcontext): Delete.
4406 (get_regs): New function, like get_sigcontext but return regs ptr.
4407 64-bit version finds regs from r1 to support vdso.
4408 (ppc_linux_aux_vector): New function.
4409 (ppc_fallback_frame_state): Modify for get_regs. Restore fprs
4412 2005-01-31 Ira Rosen <irar@il.ibm.com>
4414 * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
4416 (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
4417 redundant fold. Fix misalignment for MINUS_EXPR.
4418 (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
4419 (vect_analyze_pointer_ref_access): Likewise.
4420 (vect_get_memtag_and_dr): Likewise.
4422 2005-01-31 Richard Henderson <rth@redhat.com>
4424 * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
4425 (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
4426 absnegdf2_i387, absnegxf2_i387): Likewise.
4428 2005-01-31 Richard Henderson <rth@redhat.com>
4431 * optabs.c (expand_copysign_absneg): New.
4432 (expand_copysign_bit): Split out from ...
4433 (expand_copysign): ... here. Use expand_copysign_absneg.
4435 2005-01-30 Roger Sayle <roger@eyesopen.com>
4438 * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
4439 constant as the second operand and a register as the third.
4441 2005-01-31 Danny Smith <dannysmith@users.sourceforge.net>
4444 * config/i386/i386.c (ix86_function_ok_for_sibcall): Also check
4445 that dllimport'd functions do not use all call-clobbered registers
4448 2005-01-30 Richard Henderson <rth@redhat.com>
4451 * optabs.c (expand_absneg_bit): Split out from expand_unop and
4452 expand_abs_nojump and generalize. Use operand_subword and
4453 emit_no_conflict_block. Support large modes.
4454 (expand_abs_nojump): Use it. Use HONOR_SIGNED_ZEROS to fall
4456 (expand_unop): Likewise. Use HONOR_SIGNED_ZEROS to fall back
4457 negation to subtraction.
4458 (expand_copysign): Check that the format has signed zeros.
4459 Use operand_subword and emit_no_conflict_block. Support large modes.
4461 2005-01-30 Daniel Berlin <dberlin@dberlin.org>
4463 Fix PR tree-optimization/19624
4465 * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
4466 * tree-ssa-pre.c: Add cfgloop.h.
4468 (pre_stats): New member, constified.
4469 (inserted_exprs): New static variable.
4470 (NECESSARY): New macro.
4471 (create_expression_by_pieces): Fold the expression, and
4472 mark it as defaulting to not necessary. Also put in
4474 (fully_constant_expression): New function.
4475 (insert_into_preds_of_block): Modify to not insert phis when we
4476 are playing with induction variables.
4477 Push phis onto the inserted_exprs vector, and mark them as not
4478 necessary by default.
4479 (insert_aux): Call fully_constant_expression on eprime.
4480 If all edges produce the same value, mark it constant.
4481 (mark_operand_necessary): New function.
4482 (remove_dead_inserted_code): New function.
4483 (init_pre): Init loop optimizer to get loop info.
4484 (fini_pre): Free loop_optimizer, and inserted_exprs vec.
4485 (execute_pre): Commit edge inserts, then remove dead code.
4487 2005-01-30 Richard Henderson <rth@redhat.com>
4489 * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
4490 * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
4492 2005-01-30 Richard Henderson <rth@redhat.com>
4495 * config/i386/i386.c (ix86_expand_copysign): New.
4496 (ix86_split_copysign_const): New.
4497 (ix86_split_copysign_var): Rename from ix86_split_copysign,
4498 rearrange op1/nmask operands.
4499 * config/i386/i386-protos.h: Update.
4500 * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
4501 (copysigndf3): Likewise.
4502 (copysignsf3_const, copysigndf3_const): New.
4503 (copysignsf3_var): Rename from copysignsf3, split out splitter
4504 and fix split predicate for X constraint.
4505 (copysigndf3_var): Similarly.
4507 2005-01-30 Kazu Hirata <kazu@cs.umass.edu>
4509 * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
4510 doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
4511 doc/tm.texi, doc/tree-ssa.texi: Update copyright.
4513 2005-01-29 Richard Henderson <rth@redhat.com>
4516 * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
4517 of # and * in constraints.
4519 2005-01-29 Richard Henderson <rth@redhat.com>
4522 * expr.c (store_field): Don't strip sub-mode cast when the input
4523 data is even smaller.
4525 2005-01-29 Richard Henderson <rth@redhat.com>
4528 * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
4531 2005-01-29 Richard Henderson <rth@redhat.com>
4533 * combine.c (make_field_assignment): Fix argument order
4536 2005-01-29 Richard Guenther <richard.guenther@uni-tuebingen.de>
4538 PR tree-optimization/15791
4539 * fold-const.c (extract_array_ref): New function.
4540 (fold): Fold comparisons between &a[i] and &a[j] or
4541 semantically equivalent trees.
4543 2005-01-29 Jeff Law <law@redhat.com>
4545 * gcse.c (insert_expr_in_table): Revamp handling of available
4546 and anticipatable occurrence lists to avoid unnecessary list
4548 (insert_set_in_table): Similarly.
4550 2005-01-29 Joseph S. Myers <joseph@codesourcery.com>
4552 * c-common.c (fix_string_type): Just use c_build_qualified_type to
4554 (c_build_qualified_type): Build qualified array types with
4555 TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
4556 * c-decl.c (c_make_fname_decl): Build unqualified array type
4557 before qualified type.
4558 (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
4559 type is qualified, not just if type itself is. Don't apply
4560 qualifiers to array type when declarator is processed. Apply
4561 qualifiers to field type whether or not it is an array type.
4562 Don't handle array types specially for applying qualifiers to
4564 * c-typeck.c (composite_type): Build unqualified element type and
4565 array type when forming composite of array types.
4566 (common_pointer_type, comptypes, comp_target_types,
4567 type_lists_compatible_p, build_indirect_ref, build_array_ref,
4568 convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
4570 (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
4571 (args2) in variables a1 and a2.
4573 2005-01-29 Kazu Hirata <kazu@cs.umass.edu>
4575 * cse.c (n_elements_made, max_elements_made): Remove.
4576 (insert): Don't touch n_elements_made.
4577 (cse_main): Don't touch n_elements_made or max_elements_made.
4579 2005-01-28 Stephane Carrez <stcarrez@nerim.fr>
4582 * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
4583 configuration part of dp-bit.c to be lost.
4585 2005-01-28 Roger Sayle <roger@eyesopen.com>
4587 * expmed.c (expand_mult_highpart_optab): When attempting to use
4588 a non-widening multiplication in a wider mode, the operands need
4589 to be converted (zero or sign extended) to that mode.
4591 2005-01-28 Ian Lance Taylor <ian@airs.com>
4595 * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
4596 through if both operands fall through.
4598 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
4600 * cse.c (fold_rtx) <PC>: Don't optimize.
4602 2005-01-28 Jeff Law <law@redhat.com>
4604 * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
4605 (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
4607 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
4609 * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
4610 cse_reg_info_used_list_end): Remove.
4611 (cse_reg_info_list, cse_reg_info_list_free): New.
4612 (get_cse_reg_info): When allocating an instance of
4613 cse_reg_info, add it to the beginning of the cse_reg_info_list
4614 list. Remove code to maintain cse_reg_info_used_list.
4615 (new_basic_block): Reset the free list to the beginning of
4618 2005-01-28 Richard Sandiford <rsandifo@redhat.com>
4620 * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
4621 (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
4622 (frv_expand_mdpackh_builtin): New function.
4623 (frv_expand_builtin): Use it to expand __MDPACKH.
4624 * doc/extend.texi (__MDPACKH): Update documentation.
4626 2005-01-28 Uros Bizjak <uros@kss-loka.si>
4628 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
4629 SSE_FLOAT_MODE_P for use_sse computation.
4631 2005-01-28 Ralf Corsepius <ralf.corsepius@rtems.org>
4634 * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
4636 2005-01-27 Richard Henderson <rth@redhat.com>
4638 * builtins.c (expand_builtin_copysign): New.
4639 (expand_builtin): Call it.
4640 * genopinit.c (optabs): Add copysign_optab.
4641 * optabs.c (init_optabs): Initialize it.
4642 (expand_copysign): New.
4643 * optabs.h (OTI_copysign, copysign_optab): New.
4644 (expand_copysign): Declare.
4646 * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
4647 (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
4649 * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
4650 (ix86_expand_fp_absneg_operator): ... here.
4651 (ix86_split_copysign): New.
4652 * config/i386/i386-protos.h: Update.
4653 * config/i386/i386.md (UNSPEC_COPYSIGN): New.
4654 (copysignsf3, copysigndf3): New.
4656 * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
4657 (copysignsf3, ncopysignsf3): New.
4658 (copysigndf3, ncopysigndf3): New.
4659 (copysignxf3, ncopysignxf3): New.
4660 * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
4662 2005-01-27 Arend Bayer <arend.bayer@web.de>
4663 Kazu Hirata <kazu@cs.umass.edu>
4665 * cse.c: (find_best_addr): Don't call copy_rtx before calling
4666 fold_rtx. Save cost recomputation if fold_rtx did nothing.
4667 (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
4670 2005-01-27 Jeff Law <law@redhat.com>
4672 * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
4673 definitions of SSA_NAMEs which are not being rewritten.
4674 (rewrite_ssa_into_ssa): Only initialize the current definition
4675 of an SSA_NAME if that SSA_NAME has been marked for rewriting.
4676 If checking is enabled, assert that SSA_NAME_AUX is clear for all
4677 SSA_NAMEs before returning.
4679 2005-01-27 Kazu Hirata <kazu@cs.umass.edu>
4681 * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
4682 cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
4683 tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
4684 config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
4685 config/mips/iris6.h, config/sh/sh.c: Update copyright.
4687 2005-01-27 Steven Bosscher <stevenb@suse.de>
4690 * opts.c (decode_options): Move flag_thread_jumps from -O1 and
4691 higher to -O2 and higher. Likewise for tree PRE.
4692 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
4695 2005-01-27 Ian Lance Taylor <ian@airs.com>
4698 * gimple-low.c (try_catch_may_fallthru): New static function.
4699 (block_may_fallthru): Handle TRY_CATCH_EXPR.
4700 * tree-inline.c (expand_call_inline): Don't warn about reaching
4701 the end of a non-void function being inlined if the function uses
4704 2005-01-27 Jakub Jelinek <jakub@redhat.com>
4706 * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
4709 * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
4710 (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
4711 (implicitly_declare): Handle error_mark_node.
4713 2005-01-27 Richard Henderson <rth@redhat.com>
4716 * tree.h (struct tree_decl): Add debug_expr_is_from.
4717 (DECL_DEBUG_EXPR_IS_FROM): New.
4718 (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
4719 * dwarf2out.c (dwarf2out_var_location): Update to match.
4720 * tree-outof-ssa.c (create_temp): Likewise.
4721 * var-tracking.c (track_expr_p): Likewise.
4722 * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
4723 * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
4724 * toplev.c (default_tree_printer): Likewise.
4726 2005-01-27 Alexandre Oliva <aoliva@redhat.com>
4728 * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
4729 GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
4731 2005-01-27 Steven Bosscher <stevenb@suse.de>
4733 * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
4734 CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
4735 ASM_CLOBBERS): Add tree checks.
4737 * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
4738 (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
4739 * c-common.def (SWITCH_STMT): Update to match.
4740 * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
4741 macros instead of SWITCH_EXPR ones.
4742 * c-dump.c (c_dump_tree): Likewise.
4743 * c-gimplify.c (gimplify_switch_stmt): Likewise.
4744 * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
4746 * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
4748 2005-01-27 Alan Modra <amodra@bigpond.net.au>
4750 * unwind-dw2.c (execute_stack_op): Add missing cases for
4751 DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
4753 2005-01-27 Eric Botcazou <ebotcazou@libertysurf.fr>
4755 * config.gcc (Obsolete configurations): Remove 'dummy', add
4756 sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
4759 2005-01-26 Diego Novillo <dnovillo@redhat.com>
4761 PR tree-optimization/19633
4762 * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
4764 (maybe_create_global_var): Do not create .GLOBAL_VAR if there
4765 are no call-clobbered variables.
4766 * tree-outof-ssa.c (check_replaceable): Return false for calls
4769 2005-01-26 Ulrich Weigand <uweigand@de.ibm.com>
4771 * dbxout.c (dbxout_symbol_location): Resolve constant pool references
4772 even for variables with NULL DECL_INITIAL.
4774 2005-01-26 Stuart Hastings <stuart@apple.com>
4776 * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
4778 2005-01-26 Richard Henderson <rth@redhat.com>
4781 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4783 * expr.c (store_field): Strip conversions to odd-bit-sized types
4784 if the destination field width matches.
4786 2005-01-26 Richard Henderson <rth@redhat.com>
4788 * c-decl.c, expmed.c, expr.c: Revert last change.
4790 2005-01-26 Richard Henderson <rth@redhat.com>
4793 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4795 * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
4796 if we don't need the bits above those present in the current mode.
4797 * expr.c (store_field): Strip conversions to odd-bit-sized types
4798 if the destination field width matches.
4800 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
4802 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
4803 either -ffast-math or -funsafe-math-optimizations is in use.
4805 2005-01-26 Marek Michalkiewicz <marekm@amelek.gda.pl>
4809 * config/avr/avr.c (notice_update_cc): Only set condition code for
4810 ashrqi3 if shift count > 0.
4811 (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
4812 (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
4813 ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
4814 count <= 0 as a no-op, and shift count >= width by copying zero
4815 or sign bit to all bits of the result.
4816 * config/avr/avr.md (all shifts): Add alternatives for zero shift
4817 count, with attribute "length" set to 0 and "cc" set to "none".
4819 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
4821 * doc/invoke.texi: Document -mTLS.
4823 * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
4824 * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
4825 * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
4826 * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
4827 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
4828 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
4829 * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
4830 * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
4832 * configure.ac: Check for a TLS capable gas.
4834 * configure: Regenerate.
4836 2005-01-26 Richard Henderson <rth@redhat.com>
4839 * combine.c (make_field_assignment): Simplify store to zero_extract
4840 from a source with an overlapping mask.
4842 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
4844 2004-11-11 Eric Christopher <echristo@redhat.com>
4846 * config/frv/frv.md: Add fr400_integer automaton. Don't
4847 allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
4850 2005-01-26 Steven Bosscher <stevenb@suse.de>
4853 * cfgbuild.c (make_edges): Do not clear or set
4854 current_function_has_computed_jump.
4855 * function.h (struct function): Remove the has_computed_jump field.
4856 (current_function_has_computed_jump): Do not define.
4857 * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
4858 in a computed jump. Ignore current_function_has_computed_jump.
4860 2005-01-26 Richard Henderson <rth@redhat.com>
4863 * expr.c (categorize_ctor_elements): New argument p_must_clear.
4864 (categorize_ctor_elements_1): Likewise. Detect a union that isn't
4866 (mostly_zeros_p): Update for new categorize_ctor_elements argument.
4867 * gimplify.c (gimplify_init_constructor): Likewise. Only shove
4868 objects into static storage if they have more than one non-zero value.
4869 * tree.h (categorize_ctor_elements): Update decl.
4871 2005-01-26 Steven Bosscher <stevenb@suse.de>
4874 * tree.h (CALL_EXPR_TAILCALL): Add comment.
4875 * calls.c (check_sibcall_argument_overlap_1): Revert the change
4876 to this function from 2004-07-10.
4877 * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
4878 the current function for tail call optimizations if the address
4879 of one of it its arguments is taken.
4881 2005-01-26 Kazu Hirata <kazu@cs.umass.edu>
4883 * cse.c (fold_rtx): Call equiv_constant only when necessary.
4885 2005-01-26 Bernd Schmidt <bernd.schmidt@analog.com>
4887 * function.c (expand_function_end): If current_function_calls_alloca,
4888 emit stack restore in a place that is reached when the function falls
4891 2005-01-26 Alexandre Oliva <aoliva@redhat.com>
4893 * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
4894 rule to avoid matching inappropriate suffix rule.
4896 2005-01-26 Jan Hubicka <jh@suse.cz>
4898 PR tree-optimization/19241
4899 * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
4901 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
4903 * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
4904 -lsyssim. Wrap -lc -lsyssim in --start-group --end-group instead
4906 (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
4907 <sim*>: Always use crt1.o, regardless of N in simN.
4908 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4909 (ENDFILE_SPEC): Add crtn.o, after crtend.o.
4910 (CRT_CALL_STATIC_FUNCTION): Remove.
4911 * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
4912 use crt1.o, regardless of N in simN.
4913 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4914 (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
4915 (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
4916 case isystem setting.
4917 (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
4919 2005-01-25 Ian Lance Taylor <ian@airs.com>
4921 * gimple-low.c (block_may_fallthru): Correct handling of
4922 SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
4924 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
4926 * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
4927 handlers to match indentation; nested under the mtune=* handler.
4928 Similar for mcpu= and march=.
4930 2005-01-25 Daniel Jacobowitz <dan@codesourcery.com>
4932 * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
4933 * config/mips/linux64.h (LIB_SPEC): Likewise.
4934 * config/mn10300/linux.h (LIB_SPEC): Likewise.
4935 * config/sh/linux.h (LIB_SPEC): Likewise.
4937 2005-01-25 Aldy Hernandez <aldyh@redhat.com>
4939 * config/frv/frv.c (frv_legitimize_tls_address): New.
4940 (TARGET_HAVE_TLS): Define.
4941 (FRV_SYMBOL_REF_TLS_P): Define.
4942 (frv_override_options): Handle new register classes.
4943 (frv_legitimate_address_p): Reject tls addresses.
4944 (frv_legitimize_address): Handle TLS addresses.
4945 (gen_inlined_tls_plt): New.
4947 (frv_legitimize_tls_address): New.
4948 (unspec_got_name): Add TLS entries.
4949 (got12_operand): Add R_FRV_TLSMOFF12 case.
4950 (frv_emit_move): Fixup TLS addresses.
4951 (frv_emit_movsi): Legitimize TLS addresses.
4953 * config/frv/frv.h (MASK_BIG_TLS): New.
4954 (TARGET_BIG_TLS): New.
4955 (HAVE_AS_TLS): Define.
4956 (TARGET_SWITCHES): Add -mTLS and -mtls options.
4957 (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
4958 (REG_CLASS_NAMES): Same.
4959 (REG_CLASS_CONTENTS): Same.
4960 (CONSTRAINT_LEN): New.
4961 (REG_CLASS_FROM_CONSTRAINT): New.
4962 (PREDICATE_CODES): Add symbolic_operand.
4964 * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
4965 UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
4966 UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
4967 UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
4968 R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
4969 R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
4970 R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
4971 GR9_REG, GR14_REG, LRREG.
4972 (type): Add load_or_call attribute.
4973 ("load_or_call"): New reservation.
4974 ("call_gettlsoff"): New.
4975 ("tls_indirect_call"): New.
4976 ("tls_load_gottlsoff12"): New.
4977 ("tlsoff_hilo"): New.
4978 ("tls_tlsdesc_ldd"): New.
4979 ("tls_tlsoff_ld"): New.
4982 * config/frv/frv-protos.h (symbolic_operand): Protoize.
4984 2005-01-25 Alexandre Oliva <aoliva@redhat.com>
4986 * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
4987 * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
4988 * config/frv/frv.c (TLS_BIAS): Define.
4989 (frv_output_dwarf_dtprel): New.
4991 2005-01-26 Jakub Jelinek <jakub@redhat.com>
4993 PR rtl-optimization/19579
4994 * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
4995 both A and B, see if they don't clobber registers the other expr uses.
4997 2005-01-25 J"orn Rennecke <joern.rennecke@st.com>
4999 * real.c (do_add): Initialize signalling and canonical members.
5001 * real.c (real_from_integer): Zero out destination.
5003 2005-01-18 Jan Hubicka <jh@suse.cz>
5005 PR tree-optimize/19337
5006 * tree-inline.c (initialize_inlined_parameters): Copy
5007 saved_static_chain_decl only.
5009 2005-01-25 Richard Henderson <rth@redhat.com>
5013 * config/i386/i386.c (x86_inter_unit_moves): Zero.
5014 (ix86_preferred_reload_class): Rewrite fp-constant section, with
5015 80387 enabled, to return a proper subclass. Return the subset that
5016 overlaps with GENERAL_REGS for PLUS.
5017 * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
5019 2005-01-25 Richard Henderson <rth@redhat.com>
5022 * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
5024 2005-01-25 Roger Sayle <roger@eyesopen.com>
5026 * expmed.c (choose_multiplier): Change interface to return the
5027 multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
5028 (expand_divmod): Update calls to choose_multiplier.
5030 2005-01-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5033 * expmed.c (extract_bit_field): Use adjust_address instead of
5034 gen_lowpart when op0 is a MEM.
5036 2005-01-24 Steven Bosscher <stevenb@suse.de>
5038 * cfgexpand.c (expand_gimple_tailcall): Fix typo.
5040 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
5042 * config/mips/irix-csr.c: New file.
5043 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
5044 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
5045 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
5048 2005-01-24 Eric Botcazou <ebotcazou@libertysurf.fr>
5051 * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
5052 sparc/elf.h, add sparc/sp-elf.h.
5053 (sparc-*-rtems*): Likewise.
5054 (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
5055 tm-dwarf2.h, add sparc/sp-elf.h.
5056 (sparc86x-*-elf): Likewise.
5057 (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
5058 * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
5059 TARGET_OS_CPP_BUILTINS.
5060 * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5061 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5063 * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
5064 * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
5065 (SWITCH_TAKES_ARG): Likewise.
5066 (LOCAL_LABEL_PREFIX): Likewise.
5067 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5068 (TARGET_N_FORMAT_TYPES): Delete.
5069 (TARGET_FORMAT_TYPES): Likewise.
5070 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5071 * config/sparc/elf.h: Delete.
5072 * config/sparc/sp-elf.h: New file.
5074 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
5076 * tree-flow-inline.h (phi_arg_from_edge): Remove.
5077 * tree-flow.h: Remove the corresponding prototype.
5078 * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
5079 tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
5081 2005-01-24 Jakub Jelinek <jakub@redhat.com>
5084 * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
5085 for AIX ABI or ELF -fPIC.
5086 (rs6000_emit_load_toc_table): Don't create toc_section here.
5087 (rs6000_xcoff_file_start): Nor here.
5089 2005-01-24 J"orn Rennecke <joern.rennecke@st.com>
5091 * sh.c (ra.h): Don't #include.
5092 (hard_regs_intersect_p): New function, resurrected from ra.c.
5094 * sh.c: Fix 1996 Copyright.
5096 2005-01-24 Richard Henderson <rth@redhat.com>
5097 Aldy Hernandez <aldyh@redhat.com>
5099 * regrename.c (note_sets): Handle subregs.
5101 2005-01-24 Joseph S. Myers <joseph@codesourcery.com>
5104 * genconditions.c (write_header, write_conditions): Elide file if
5107 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
5109 * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
5110 config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
5113 2005-01-24 Jakub Jelinek <jakub@redhat.com>
5115 * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
5116 expand_builtin_printf, expand_builtin_fprintf,
5117 expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
5118 checking against POINTER_TYPE.
5119 (validate_arglist): Handle POINTER_TYPE code by checking
5122 2005-01-24 Paolo Bonzini <bonzini@gnu.org>
5124 * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
5126 (for_each_rtx): Call for_each_rtx_1.
5127 * rtl.h (init_rtlanal): Declare.
5128 * toplev.c (backend_init): Call init_rtlanal.
5130 2005-01-24 Jakub Jelinek <jakub@redhat.com>
5132 * flow.c (propagate_one_insn): Formatting.
5135 * flow.c (libcall_dead_p): Be more conservative if unsure.
5136 If there are any instructions between insn and call, see if they are
5137 all dead before saying the libcall is dead.
5139 2005-01-24 Uros Bizjak <uros@kss-loka.si>
5141 * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
5142 operand constraint for operand 0.
5144 2005-01-23 Richard Henderson <rth@redhat.com>
5147 * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
5148 edges leading to join block.
5150 2005-01-23 Roger Sayle <roger@eyesopen.com>
5152 * expmed.c (expand_mult_highpart): Make static. Change type of
5153 constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
5154 (expand_divmod): Updates calls to expand_mult_highpart by using
5155 gen_int_mode to pass a CONST_INT rtx.
5156 * rtl.h (expand_mult_highpart): Remove prototype.
5158 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
5160 * flow.c (regset_bytes, regset_size): Remove.
5162 * cfganal.c: Fix a reference to Harvey's paper.
5164 2005-01-23 Steven Bosscher <stevenb@suse.de>
5166 PR rtl-optimization/19464
5167 * tree-optimize.c (init_tree_optimization_passes): Add one more
5168 copyrename pass just before out-of-ssa.
5170 2005-01-23 Joseph S. Myers <joseph@codesourcery.com>
5173 * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
5174 * ggc-none.c (ggc_free): Define.
5176 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
5178 * cse.c (max_reg, max_insn_uid): Remove.
5179 (cse_main): Don't access max_reg or max_insn_uid.
5181 * c-common.c (explicit_flag_signed_bitfields,
5182 lang_statement_code_p, lang_expand_function_end): Remove.
5183 * c-common.h: Remove the corresponding declarations.
5184 * c-opts.c (c_common_handle_option): Remove all write access
5185 to explicit_flag_signed_bitfields.
5187 * cgraph.c (cgraph_varpool_n_nodes): Remove.
5188 (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
5189 * cgraph.h: Remove the corresponding declaration.
5191 * gcse.c (null_pointer_info): Remove.
5193 2005-01-23 Roger Sayle <roger@eyesopen.com>
5194 Eric Botcazou <ebotcazou@libertysurf.fr>
5196 * combine.c (simplify_logical): Only simplify logical expressions
5197 of the form ior(and(x,y),z) by the inverse distributive law if the
5198 result is cheaper than the original.
5200 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
5202 * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
5203 fold-const.c, gimplify.c, params.h, tree-data-ref.c,
5204 tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
5205 tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
5206 config/freebsd-spec.h, config/arm/arm.h,
5207 config/h8300/h8300.md, config/i386/i386.md,
5208 config/i386/predicates.md, config/i386/sse.md,
5209 config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
5210 config/vax/vax.md: Fix comment typos. Follow spelling
5213 2005-01-23 Steven Bosscher <stevenb@suse.de>
5215 * gengtype.c (walk_type): Produce `not equal to' compares for loop
5216 tests, instead of `less than'.
5218 2005-01-23 Richard Sandiford <rsandifo@redhat.com>
5220 * function.c (assign_parm_setup_block): When creating a new stack slot
5221 for a parameter, get its alignment from the parameter's DECL_ALIGN
5222 rather than the type's TYPE_ALIGN. Make sure that the parameter
5223 is at least word aligned.
5225 2005-01-22 Roger Sayle <roger@eyesopen.com>
5228 * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
5230 2005-01-22 Richard Henderson <rth@redhat.com>
5233 * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
5234 in both compare operands.
5235 (movdfcc_1_sse_max): Likewise.
5236 (movsfcc_1_sse): Likewise. Add earlyclobber for scratch.
5237 (movdfcc_1_sse): Likewise.
5238 * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
5239 scratch register as needed.
5241 2005-01-22 Richard Henderson <rth@redhat.com>
5243 * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
5245 * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
5247 2005-01-22 Richard Henderson <rth@redhat.com>
5249 * genopinit.c (optabs): Use smin/smax for floating point too.
5250 * doc/md.texi: Update to match. Clarify that floating point
5251 results are undefined for +0/-0 and NaN.
5252 * doc/rtl.texi: Likewise.
5253 * rtl.def (SMIN, SMAX): Likewise
5254 * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
5256 * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
5257 leading 's' to the name.
5258 * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
5259 smaxxf3, sminxf3): Likewise.
5260 * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
5263 2005-01-22 Paul Brook <paul@codesourcery.com>
5265 * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
5267 2005-01-21 Mark Dettinger <dettinge@de.ibm.com>
5269 * config/s390/s390.c (struct processor_costs): New fields
5270 dlgr, dlr, dr, dsgfr, dsgr.
5271 (z900_cost, z990_cost): Values for new fields.
5272 (s390_rtx_costs): New cases MEM und COMPARE in switch
5273 statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
5274 DIV, MOD, UDIV, UMOD.
5276 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
5278 * config/s390/s390.md ("doloop_si64"): Reload input value directly
5279 into the register being decremented.
5280 ("doloop_si31", "doloop_di"): Likewise.
5281 ("*doloop_si_long"): Adapt pattern.
5283 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
5285 * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
5287 (CLASS_MAX_NREGS): Likewise.
5289 2005-01-21 Daniel Berlin <dberlin@dberlin.org>
5291 * doc/tree-ssa.texi (Statement Operands): Add example for new
5292 must-def macro. Note deprecation of old operands interface.
5294 2005-01-22 Richard Sandiford <rsandifo@redhat.com>
5296 PR tree-optimization/19484
5297 * tree-cfg.c (remove_fallthru_edge): New function.
5298 (cleanup_control_flow): Remove fallthru edges from calls that are
5299 now known not to return.
5301 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
5303 Fix PR tree-optimization/19038
5304 * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
5305 copies with loop variant ones.
5307 2005-01-22 Kazu Hirata <kazu@cs.umass.edu>
5309 * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
5310 config/alpha/alpha-protos.h, config/alpha/alpha.h,
5311 config/alpha/alpha.md, config/alpha/predicates.md,
5312 config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
5313 config/sparc/sol2.h: Update copyright.
5315 * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
5316 first label to see if it is a nonlocal label.
5318 2005-01-22 David Edelsohn <edelsohn@gnu.org>
5319 Andrew Pinski <pinskia@physics.uc.edu>
5322 * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
5323 maximum number of GPRs. Saturate n_fpr at maximum number of FPRs.
5325 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
5327 * config/rs6000/rtems.h: Update copyright.
5329 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
5332 * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
5333 (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
5334 (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
5336 2005-01-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5339 * c-typeck.c (convert_arguments): Check for error_mark_node.
5341 2005-01-21 Ian Lance Taylor <ian@airs.com>
5343 PR tree-optimization/13000
5344 * tree-inline.c: Include "tree-flow.h".
5345 (expand_call_inline): If warn_return_type, warn if non-void inline
5346 function falls through.
5347 * tree-cfg.c (execute_warn_function_return): Don't warn about
5348 control reaching end if TREE_NO_WARNING is set. Set
5350 * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
5352 * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
5353 branch if we don't need one.
5354 * c-typeck.c: Include "tree-flow.h"
5355 (c_finish_bc_stmt): Don't add a goto if the current statement
5356 list doesn't fall through to the current point.
5358 2005-01-21 Roger Sayle <roger@eyesopen.com>
5360 PR rtl-optimization/576
5361 * real.c (real_arithmetic): Change return type from void to bool
5362 to return an indication that the result may be inexact.
5363 * real.h (real_arithmeric): Update prototype.
5364 * fold-const.c (const_binop): Don't constant fold floating
5365 point expressions when the user specifies -frounding-math and
5366 the result may depend upon the run-time rounding mode.
5367 (fold_convert_const_real_from_real): Clean-up.
5368 (fold_initializer): Ignore flag_rounding_math for initializers.
5369 * simplify-rtx.c (simplify_binary_operation): Likewise, don't
5370 constant fold FP operations with flag_rounding_math if the
5371 result may depend upon the run-time rounding mode.
5373 2005-01-21 Tom Tromey <tromey@redhat.com>
5375 * c-cppbuiltin.c (define__GNUC__): Correct assertion.
5377 2005-01-21 Kazu Hirata <kazu@cs.umass.edu>
5379 * tree-cfg.c: Fix comment typos.
5381 2005-01-21 J"orn Rennecke <joern.rennecke@st.com>
5383 * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
5384 around the call to rest_of_handle_branch_target_load_optimize.
5386 2005-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5388 * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
5389 (sparc64-*-openbsd*): Likewise.
5390 (sparclite-*-elf*): Include tm-dwarf2.h.
5391 (sparc86x-*-elf*): Likewise.
5392 (sparc64-*-elf*): Likewise.
5393 * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
5394 (DBX_DEBUGGING_INFO): Likewise.
5395 * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
5396 (PREFERRED_DEBUGGING_TYPE): Likewise.
5397 * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
5398 * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
5399 (PREFERRED_DEBUGGING_TYPE): Likewise.
5400 * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
5401 (PREFERRED_DEBUGGING_TYPE): Likewise.
5402 * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
5404 2005-01-21 Hans-Peter Nilsson <hp@bitrange.com>
5407 * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
5409 2005-01-20 Paul Brook <paul@codesourcery.com>
5411 * doc/rtl.texi: Document value extension requirements for CONST_INT.
5413 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
5415 * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
5416 label is first in a sequence of labels.
5418 * tree-cfg.c (tree_verify_flow_info): Fix a typo.
5420 2005-01-20 Janis Johnson <janis187@us.ibm.com>
5421 Giovanni Bajo <giovannibajo@gcc.gnu.org>
5423 * doc/sourcebuild.texi (Test Directives): New.
5425 2005-01-20 Roger Sayle <roger@eyesopen.com>
5427 * real.c (real_floor): Don't leave the result uninitialized when
5428 mode is VOIDMode, but return the unrounded intermediate value.
5429 (real_ceil): Likewise.
5431 2005-01-20 Paul Brook <paul@codesourcery.com>
5433 * config/arm/arm.md (insv): Use gen_int_mode.
5435 2005-01-20 Eric Botcazou <ebotcazou@libertysurf.fr>
5437 * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
5438 * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5439 * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5440 * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5441 * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5443 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
5446 * dwarf2out.c (concat_loc_descriptor): We don't know we can use
5447 fbreg, so we have to assume we can't.
5448 (loc_descriptor_from_tree_1): Ditto.
5449 (containing_function_has_frame_base): New function.
5450 (add_location_or_const_value_attribute): Use it.
5451 Also try to generate a frame_base from a single element location
5454 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
5456 PR tree-optimization/15349
5457 * timevar.def (TV_TREE_MERGE_PHI): New.
5458 * tree-cfg.c (tree_forwarder_block_p): Add a new argument
5460 (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
5461 calls to tree_forwarder_block_p.
5462 (remove_forwarder_block_with_phi, merge_phi_nodes,
5463 gate_merge_phi, pass_merge_phi): New.
5464 * tree-optimize.c (init_tree_optimization_passes): Add
5466 * tree-pass.h: Add an extern for pass_merge_phi;
5468 2005-01-20 Richard Henderson <rth@redhat.com>
5471 * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
5472 (_mm_castps_pd, _mm_castps_si128): New.
5473 (_mm_castsi128_ps, _mm_castsi128_pd): New.
5475 2005-01-20 Richard Henderson <rth@redhat.com>
5478 * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
5479 __builtin_ia32_vec_init_v2si.
5480 (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
5481 * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
5482 (ix86_init_mmx_sse_builtins): Create it.
5483 (ix86_expand_builtin): Expand it.
5484 (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
5485 * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
5486 (vec_extractv2si_0, vec_extractv2si_1): New.
5488 2005-01-20 Richard Henderson <rth@redhat.com>
5491 * config/i386/i386.c (ix86_expand_push): New.
5492 * config/i386/mmx.md (push<MMXMODE>1): New.
5493 * config/i386/sse.md (push<SSEMODE>1): New.
5494 * config/i386/i386-protos.h: Update.
5496 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
5498 * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
5501 2005-01-20 Richard Henderson <rth@redhat.com>
5503 * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
5504 * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
5506 2005-01-19 Richard Henderson <rth@redhat.com>
5509 * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
5510 to V4SFmode in SSE1 fallback load path.
5512 2005-01-19 Richard Henderson <rth@redhat.com>
5514 * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
5515 in QImode expansion to ix86_expand_vector_set.
5516 (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
5518 2005-01-19 Richard Henderson <rth@redhat.com>
5521 * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
5522 subclass of the input class.
5523 (ix86_secondary_memory_needed): Always true for cross-MMX classes.
5524 Always true for cross-SSE1 classes. Rationalize conditionals.
5525 * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
5526 * config/i386/i386.md (movsi_1): Add MMX/SSE zeros. Fix alternatives
5527 for SSE1. Don't check TARGET_INTER_UNIT_MOVES.
5528 (movdi_2): Add MMX/SSE zeros.
5529 (movdi_1_rex64): Likewise. Don't check TARGET_INTER_UNIT_MOVES.
5530 (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
5531 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5532 (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
5533 (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
5534 (zero_extendsidi2_rex64_1): Remove.
5535 (MOV0 peephole): Check GENERAL_REG_P.
5537 2005-01-19 Richard Henderson <rth@redhat.com>
5540 * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
5542 (ix86_expand_vector_extract): Likewise.
5544 2005-01-19 Richard Henderson <rth@redhat.com>
5547 * expr.c (emit_move_change_mode): New argument force; use
5548 simplify_gen_subreg if true.
5549 (emit_move_via_alt_mode): Merge into ...
5550 (emit_move_via_integer): ... here.
5551 (emit_move_ccmode): Use emit_move_change_mode directly.
5553 2005-01-19 Richard Henderson <rth@redhat.com>
5556 * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
5557 (alpha_preferred_reload_class): Handle CONST_VECTOR.
5558 (alpha_emit_set_const_1): Add no_output parameter; don't emit
5560 (alpha_emit_set_const): Likewise. Make static.
5561 (alpha_emit_set_long_const): Make static.
5562 (alpha_extract_integer): Split out from alpha_expand_mov.
5563 (alpha_split_const_mov): Likewise.
5564 (alpha_expand_mov): Use them. Handle CONST_VECTOR.
5565 (alpha_legitimate_constant_p): New.
5566 * config/alpha/alpha-protos.h: Update.
5567 * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
5568 (LEGITIMATE_CONSTANT_P): Re-implement with a function.
5569 * config/alpha/alpha.md (movsi): Add n alternative.
5570 (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
5571 (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
5572 (splitters for all of the above): Use alpha_split_const_mov.
5573 * config/alpha/predicates.md (non_add_const_operand): New.
5574 (non_zero_const_operand): New.
5575 (input_operand): Use alpha_legitimate_constant_p after reload.
5577 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
5579 PR tree-optimization/19038
5580 * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
5581 (add_candidate): Add ivs with increment in latch only if
5582 allow_ip_end_pos_p is true.
5583 (determine_iv_cost): Use empty_block_p.
5585 2005-01-19 Daniel Berlin <dberlin@dberlin.org>
5587 * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
5588 (compute_dominance_frontiers): Ditto.
5590 2005-01-19 Ralf Corsepius <ralf.corsepius@rtems.org>
5593 * config/sh/t-rtems: New.
5594 * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
5596 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
5598 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
5599 the offset of the selected field.
5601 2005-01-19 Kazu Hirata <kazu@cs.umass.edu>
5603 * tree-cfg.c (remove_forwarder_block): Fix the check to
5604 prevent a nonlocal label from appearing in the middle of a
5607 2005-01-19 Hans-Peter Nilsson <hp@axis.com>
5609 PR rtl-optimization/19462
5610 * reorg.c (find_end_label): Create return insn only if
5611 current_function_epilogue_delay_list is empty.
5613 2005-01-19 Paolo Bonzini <bonzini@gnu.org>
5615 * doc/passes.texi: Remove paragraph mentioning new-ra.
5617 2005-01-19 Jakub Jelinek <jakub@redhat.com>
5619 PR rtl-optimization/15139
5620 * combine.c: Include params.h.
5621 (count_rtxs): New function.
5622 (record_value_for_reg): If replace_rtx would replace at least
5623 2 occurrences of REG in VALUE and TEM is really large, replace REG with
5624 (clobber (const_int 0)) instead of TEM.
5625 * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
5626 * params.h (MAX_LAST_VALUE_RTL): New.
5627 * Makefile.in (combine.o): Depend on $(PARAMS_H).
5628 * doc/invoke.texi (--param max-last-value-rtl=N): Document.
5631 * c-typeck.c (digest_init): Only call build_vector if all constructor
5632 elements are *_CST nodes.
5633 * gimplify.c (gimplify_init_constructor): Likewise.
5636 * c-typeck.c (digest_init): Only call build_vector if inside_init
5639 2005-01-18 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
5641 * toplev.c (init_asm_output): Remove dead #ifdef.
5643 2005-01-18 Kaz Kojima <kkojima@gcc.gnu.org>
5645 * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
5647 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
5649 * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
5650 accessing DECL_FUNCTION_CODE.
5651 * dojump.c (do_jump): Likewise.
5652 * gimplify.c (gimplify_call_expr): Likewise.
5653 * predict.c (expr_expected_value): Likewise.
5654 (strip_builtin_expect): Likewise.
5655 * tree-inline.c (estimate_num_insns_1): Likewise.
5656 * tree-ssa-loop-im.c (stmt_cost): Likewise
5657 * fold-const.c (fold): Test for BUILT_IN_NORMAL.
5658 (tree_expr_nonnegative_p): Likewise.
5660 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
5662 * config/sparc/sparc.c (load_pic_register): Emit the appropriate
5663 variant of the load_pcrel_sym pattern.
5664 * config/sparc/sparc.md (P macro): Move to the top.
5665 (load_pcrel_sym): Macroize using P.
5666 (save_register_window): Likewise.
5668 2005-01-18 Aldy Hernandez <aldyh@redhat.com>
5670 * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
5673 2005-01-18 Andrew Pinski <pinskia@physics.uc.edu>
5676 * c-typeck.c (build_asm_expr): Strip nops off
5677 input memory operands.
5679 2005-01-18 David Edelsohn <edelsohn@gnu.org>
5681 * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
5682 _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
5683 * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
5684 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
5686 2005-01-18 Joel Sherrill <joel.sherrill@oarcorp.com>
5689 * config/i386/i386.c (override_options): If the 80387 is disabled,
5690 then do not return FP values using FP registers.
5692 2005-01-18 Kazu Hirata <kazu@cs.umass.edu>
5694 * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
5695 c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
5696 combine.c, config.gcc, coverage.h, cse.c, cselib.c,
5697 defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
5698 flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
5699 gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
5700 output.h, postreload-gcse.c, postreload.c, recog.c,
5701 resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
5702 targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
5703 tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
5704 tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
5705 tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
5706 tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
5707 tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
5708 unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
5710 * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
5711 config/alpha/alpha.c, config/arm/vfp.md,
5712 config/i386/emmintrin.h, config/i386/i386-modes.def,
5713 config/i386/i386-protos.h, config/i386/i386.h,
5714 config/i386/pmmintrin.h, config/i386/ppro.md,
5715 config/i386/predicates.md, config/i386/xmmintrin.h,
5716 config/i860/i860.c, config/ia64/ia64-modes.def,
5717 config/ia64/ia64-protos.h, config/ia64/ia64.h,
5718 config/ia64/ia64.md, config/ia64/itanium1.md,
5719 config/ia64/itanium2.md, config/ia64/predicates.md,
5720 config/iq2000/iq2000.h, config/mips/linux64.h,
5721 config/rs6000/aix41.h, config/rs6000/aix43.h,
5722 config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
5723 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5724 config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
5725 config/sparc/linux64.h, config/sparc/litecoff.h,
5726 config/sparc/sp64-elf.h, config/sparc/sparc.c,
5727 config/sparc/sparc.h, config/sparc/sparc.md,
5728 config/sparc/sysv4-only.h: Update copyright.
5730 2005-01-18 Richard Henderson <rth@redhat.com>
5733 * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
5735 2005-01-18 Marc Espie <espie@openbsd.org>
5736 * config/i386/openbsdelf.h: Typo.
5738 2005-01-18 Richard Henderson <rth@redhat.com>
5740 * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
5741 special case for sse.
5742 * config/i386/predicates.md (sse_comparison_operator): Likewise.
5744 2005-01-18 Dorit Naishlos <dorit@il.ibm.com>
5746 * tree-inline.c (estimate_num_insns_1): Added cases for
5747 ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
5749 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
5751 PR rtl-optimization/19296
5752 * combine.c (simplify_comparison): Rewrite the condition under
5753 which a non-paradoxical SUBREG of a PLUS can be lifted when
5754 compared against a constant.
5756 2005-01-18 Andi Kleen <ak@muc.de>
5758 * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
5759 * c.opt (-Wpointer-sign): Add.
5760 * doc/invoke.texi: (-Wpointer-sign): Add.
5762 2005-01-18 Uros Bizjak <uros@kss-loka.si>
5764 * config/i386/i386.c (override_options): Revert 2004-11-24 change.
5765 * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
5766 *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
5767 logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
5768 exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
5769 nearbyintsf2): Disable for TARGET_SSE_MATH. Leave patterns enabled
5770 for TARGET_MIX_SSE_I387.
5771 (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
5772 sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
5773 atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
5774 log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
5775 floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
5776 (TARGET_SSE2 && TARGET_SSE_MATH). Leave patterns enabled for
5777 TARGET_MIX_SSE_I387.
5778 (atan2sf3, atan2df3, atan2xf3): Remove register constraints
5781 2005-01-18 Uros Bizjak <uros@kss-loka.si>
5784 * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
5785 Add movaps alternative for xmm reg->reg move.
5787 2005-01-17 Jeff Law <law@redhat.com>
5789 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
5790 at the end of the main DOM loop rather than just before DOM exits.
5792 2005-01-17 Diego Novillo <dnovillo@redhat.com>
5794 PR tree-optimization/19121
5795 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
5796 adding aliases to a name tag, also add them to the pointer's
5798 * tree-ssa-copy.c (merge_alias_info): Do not merge flow
5799 sensitive alias info at all. Only check that the two pointers
5800 have compatible pointed-to sets.
5801 * tree-ssa.c (verify_name_tags): Verify that the alias set of
5802 a pointer's type tag is a superset of the alias set of the
5805 2005-01-17 James E Wilson <wilson@specifixinc.com>
5808 * config/ia64/ia64.md (movxf): Handle general register source. Adjust
5809 comment to document why.
5811 2005-01-17 Richard Henderson <rth@redhat.com>
5813 * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
5814 sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
5815 sse2_vmsmaxv2df3_finite, sminv2df3_finite,
5816 sse2_vmsminv2df3_finite): New.
5817 (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
5818 sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
5819 Force op1 into register.
5821 2005-01-17 Kelley Cook <kcook@gcc.gnu.org>
5823 * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
5824 bubblestrap from always rebuilding build directory.
5826 2005-01-17 Ulrich Weigand <uweigand@de.ibm.com>
5828 * config/s390/s390.md ("*clc"): Remove incorrect '='.
5829 ("*cmpmem_short"): Likewise.
5831 2005-01-17 Steven Bosscher <stevenb@suse.de>
5833 * basic-block.h: Document BB_* flags.
5834 * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
5835 use an sbitmap instead.
5836 * sched-rgn.c (compute_trg_info): Likewise.
5838 2005-01-17 Richard Sandiford <rsandifo@redhat.com>
5840 * config.gcc (mips64*-*-linux*): Set the default abi to n32. Remove
5841 redundant target_cpu_default and extra_parts lines. Use the default
5843 * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
5844 (SUBTARGET_EXTRA_SPECS): Delete.
5845 (DRIVER_SELF_SPECS): Remove architecture lines. Set the ABI directly.
5846 (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
5847 * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
5848 and "n32" for -mabi=n32.
5850 2005-01-17 Ian Lance Taylor <ian@airs.com>
5853 * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
5854 fold constant variables into initial values.
5856 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
5858 * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
5860 * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
5861 through the statements backward.
5863 2005-01-17 Ian Lance Taylor <ian@airs.com>
5865 PR middle-end/13127:
5866 * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
5867 a variable set to the return value of the inlined function.
5869 2005-01-17 Mark Dettinger <dettinge@de.ibm.com>
5871 * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
5872 when modes are tieable.
5874 2005-01-17 Ranjit Mathew <rmathew@hotmail.com>
5876 * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
5877 of pthread_create to find out if threads are enabled.
5878 * gthr-posix95.h (__gthread_active_p): Likewise.
5880 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
5882 * common.opt (-fnew-ra): Remove.
5884 * toplev.h (flag_new_regalloc): Remove.
5885 * Makefile.in (ra*.*): Don't mention.
5886 * passes.c (rest_of_handle_new_regalloc): Remove.
5887 (rest_of_handle_combine, rest_of_compilation): Always consider
5888 flag_new_regalloc as false.
5889 * doc/invoke.texi: Don't document -fnew-ra.
5891 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
5893 * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
5894 last parameter to reg_scan.
5895 * loop.c (loop_optimize): Likewise.
5896 * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
5897 rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
5898 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5899 rest_of_handle_gcse, rest_of_handle_loop_optimize,
5900 rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
5901 * regclass.c (reg_scan): Likewise, for the declaration.
5902 * rtl.h (reg_scan): Likewise, for the prototype.
5904 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
5906 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
5907 mark_dfs_back_edges.
5909 2005-01-16 Daniel Berlin <dberlin@dberlin.org>
5911 * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
5912 (compute_avail): Uses don't go in tmp_gen.
5914 2005-01-16 Steven Bosscher <stevenb@suse.de>
5916 * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
5917 loop to look for a free slot in a page entry.
5919 2005-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5922 * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
5923 * toplev.c (compile_file): Call process_pending_assemble_output_defs
5924 just before targetm.asm_out.file_end.
5925 * tree.h (process_pending_assemble_output_defs): Declare.
5926 * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
5928 (assemble_alias): Defer generation of assembly code for defines when
5929 TARGET_DEFERRED_OUTPUT_DEFS is true.
5930 * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5931 * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5932 * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
5934 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5937 * pa.c (pa_scalar_mode_supported_p): New function.
5938 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5939 * pa.h (MIN_UNITS_PER_WORD): Add comment.
5941 * pa-protos.h (prefetch_operand): Delete.
5942 (prefetch_cc_operand, prefetch_nocc_operand): New declations.
5943 * pa.c (prefetch_operand): Delete.
5944 (prefetch_cc_operand, prefetch_nocc_operand): New functions.
5945 * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
5946 (PREDICATE_CODES): Delete prefetch_operand. Add prefetch_cc_operand
5947 and prefetch_nocc_operand.
5948 * pa.md (prefetch): Rework to avoid reload problems handling short
5949 displacements when a cache control completer needs to be provided.
5950 (prefetch_32, prefetch_64): Delete.
5951 (prefetch_cc, prefetch_nocc): New patterns.
5953 2005-01-15 David Edelsohn <edelsohn@gnu.org>
5955 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
5957 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5960 * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
5961 exceeds maximum alignment for global common data.
5962 * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
5963 * som.h (MAX_OFILE_ALIGNMENT): Likewise.
5965 2004-01-15 Roger Sayle <roger@eyesopen.com>
5967 * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
5969 2004-01-15 Roger Sayle <roger@eyesopen.com>
5971 * harg-reg-set.h (reg_class_names): Prototype global array.
5972 * regclass.c (reg_class_names): Declare here and initialize to
5974 (dump_regclass): Remove local declaration of reg_class_names.
5975 (regclass): Likewise.
5976 * cfg.c (dump_flow_info): Likewise.
5977 * ra-debug.c (reg_class_names): Likewise.
5978 * regrename.c (reg_class_names): Likewise.
5979 * reload.c (reg_class_names): Likewise.
5980 * reload1.c (spill_failure): Likewise.
5981 * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
5983 2005-01-15 Ulrich Weigand <uweigand@de.ibm.com>
5985 * config/s390/s390.md ("reload_outti"): Remove predicate for
5986 output operand. Abort if operand is not a MEM.
5987 ("reload_outdi", "reload_outdf"): Likewise.
5989 2005-01-15 Marc Espie <espie@openbsd.org>
5991 * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
5992 (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
5993 * config/openbsd.h: Fix C++ includes for native configurations.
5994 Add proper OS_CPP_BUILTINS. Fix libspec for recent OpenBSD.
5995 Add trampoline support.
5996 * config/i386/openbsdelf.h: New.
5998 2005-01-15 Marc Espie <espie@openbsd.org>
6000 * collect2.c (main): Explicitly parse -dynamic-linker option.
6002 2005-01-15 Jakub Jelinek <jakub@redhat.com>
6004 PR tree-optimization/19060
6005 * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
6006 Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
6007 (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
6008 and handle extract_range_from_cond returning false.
6009 * fold-const.c (fold): Optimize comparisons with min/max even for
6010 width > HOST_BITS_PER_WIDE_INT.
6012 2005-01-15 Ralf Corsepius <ralf.corsepius@rtems.org>
6014 * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
6015 * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
6016 Remove little endian multilib variants.
6017 Add mips32 multilib variant.
6019 2005-01-15 Kazu Hirata <kazu@cs.umass.edu>
6021 * explow.c (copy_all_reg, stabilize): Remove.
6022 * expr.h: Remove the corresponding prototypes.
6024 * rtlanal.c (regs_set_between_p): Remove.
6025 * rtl.h: Remove the corresponding prototype.
6027 2005-01-14 David Edelsohn <edelsohn@gnu.org>
6029 * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
6030 to rs6000_nonimmediate_operand.
6031 * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
6032 rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
6033 * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
6034 rs6000_nonimmediate_operand.
6035 * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
6036 rs6000_nonimmediate_operand.
6038 2005-01-14 Andrew Pinski <pinskia@physics.uc.edu>
6040 * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
6042 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
6044 * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
6046 (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
6047 (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
6049 * config/rs6000/rs6000.c (invalid_e500_subreg): New.
6050 (rs6k_nonimmediate_operand): New.
6051 (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
6053 (legitimate_lo_sum_address_p): Same.
6054 (rs6000_legitimize_address): Same.
6055 (rs6000_legitimize_reload_address): Same.
6056 (rs6000_legitimate_address): Same.
6057 (spe_build_register_parallel): Pass DF and DC modes in a DI
6060 * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
6061 to rs6k_nonimmediate_operand.
6063 * config/rs6000/spe.md ("*frob_df_di"): New.
6064 ("*frob_di_df"): New.
6065 ("*frob_di_df_2"): New.
6066 ("*mov_sidf_e500_subreg0"): New.
6067 ("*mov_sidf_e500_subreg4"): New.
6068 ("*movdf_e500_double"): Change predicate to
6069 rs6k_nonimmediate_operand.
6071 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
6073 * postreload.c (move2add_note_store): Only call
6074 trunc_int_for_mode on scalar integers.
6076 2005-01-14 Steven Bosscher <stevenb@suse.de>
6078 * tree-ssa-dce.c (visited_control_parents): New sbitmap to
6079 replace BB_VISITED uses.
6080 (find_obviously_necessary_stmts): Don't clear BB_VISITED.
6081 (propagate_necessity): Check the bitmap instead of BB_VISITED.
6082 (tree_dce_done): Free visited_control_parents.
6083 (perform_tree_ssa_dce): Allocate and clear it.
6084 * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
6085 (compute_antic): Iterate from here using a DFS. Use an sbitmap
6086 instead of BB_VISITED.
6088 2005-01-14 Kazu Hirata <kazu@cs.umass.edu>
6090 * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
6091 rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
6092 Remove unused prototypes.
6094 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
6096 * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
6097 64-bit register usage.
6098 (spe_func_has_64bit_regs_p): Add FIXME note.
6100 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
6102 * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
6103 flag_finite_math_only with flag_unsafe_math_optimizations.
6105 2005-01-14 J. D. Johnston <jjohnst@us.ibm.com>
6107 * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
6109 (__tpf_eh_return): Copy TPF private stack area from the module
6110 boundary stack frame. Add check for when module addresses are
6111 equal, but no stub address is found.
6113 2005-01-14 Richard Earnshaw <rearnsha@arm.com>
6116 * arm.h (struct machine_function): Add call_via field.
6117 (thumb_call_via_label): Declare.
6118 * arm.c (thumb_call_via_label): New variable.
6119 (thumb_call_reg_needed): New variable.
6120 (arm_output_function_epilogue): For Thumb code, output any per-function
6121 call-indirect trampolines.
6122 (thumb_call_via_reg): New function.
6123 (arm_file_end): New function.
6124 (TARGET_ASM_FILE_END): Call arm_file_end.
6125 (aof_file_end): Likewise.
6126 * arm-protos.h (thumb_call_via_reg): Declare.
6127 * arm.md (call_reg_thumb, call_value_reg_thumb): Call
6128 thumb_call_via_reg in normal case.
6130 2005-01-14 Jakub Jelinek <jakub@redhat.com>
6133 PR rtl-optimization/19348
6134 * recog.c (peephole2_optimize): Do global life update if some peephole
6135 decides it doesn't need at least one of its inputs and that change
6136 influences liveness at the start of the basic block.
6138 * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
6139 arguments instead of 1.
6141 2005-01-14 Eric Botcazou <ebotcazou@libertysurf.fr>
6144 * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
6145 zero for nested functions needing a static chain or functions
6146 with a non-constant address.
6148 2005-01-13 Roger Sayle <roger@eyesopen.com>
6150 * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
6151 (and (sign_extend X) C) into (zero_extend (and X C)).
6153 2005-01-13 David O'Brien <obrien@FreeBSD.org>
6155 * config/freebsd-spec.h: Make KSE pthread lib logic the default.
6157 2005-01-13 Richard Henderson <rth@redhat.com>
6162 * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
6163 bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
6164 not just TARGET_SSE.
6165 (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns.
6166 (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
6167 (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
6168 (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
6169 (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
6170 (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
6171 (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
6172 fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
6173 (movdicc_c_rex64): Rename with '*'.
6174 (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
6175 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
6176 (movsfcc_1_387): Rename from movsfcc_1.
6177 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
6178 (movdfcc_1, movdfcc_1_rex64): Add check for 387.
6179 (sminsf3, smaxsf3, smindf3, smaxdf3): New.
6180 (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
6181 mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
6182 maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
6183 sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
6184 sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
6185 sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
6186 sse_movdfcc_const0_4): Remove.
6187 * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
6188 recognize min/max early. Update for changed sse cmove patterns.
6189 (ix86_split_sse_movcc): New.
6190 * config/i386/i386-protos.h: Update.
6192 2005-01-13 Steven Bosscher <stevenb@suse.de>
6194 * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
6195 (fix_stmt_v_may_defs): Likewise.
6197 2005-01-13 Richard Henderson <rth@redhat.com>
6199 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
6200 for converting the mask.
6202 2005-01-13 David Edelsohn <edelsohn@gnu.org>
6204 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
6207 2005-01-13 Richard Henderson <rth@redhat.com>
6209 * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
6210 IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
6211 IX86_BUILTIN_MOVDQ2Q): Remove.
6212 (IX86_BUILTIN_VEC_EXT_V4SI): New.
6213 (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
6214 (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
6216 * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
6217 (sse2_pextrw): Fix immediate constraint.
6218 (sse2_loadq, sse2_loadq_rex64): Remove.
6219 * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
6220 Use __builtin_ia32_vec_ext_<size>.
6221 (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
6223 2005-01-13 Aldy Hernandez <aldyh@redhat.com>
6225 * function.c (assign_parm_setup_block): Look inside original
6226 entry_parm when inspecting PARALLEL.
6228 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
6229 Joel Sherrill <joel@oarcorp.com>
6232 * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
6233 (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
6234 rtems_gxx_recursive_mutex_init.
6235 (__gthread_recursive_mutex_lock): New function.
6236 (__gthread_recursive_mutex_trylock): Likewise.
6237 (__gthread_recursive_mutex_unlock): Likewise.
6239 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
6241 * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
6243 2005-01-13 Jan Beulich <jbeulich@novell.com>
6245 * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
6246 (ashrti3_internal): Indicate output is early clobber. Generate result
6247 into output rather than first input. Use move for low word of output
6248 if shift count is exactly 64.
6249 (lshrti3_internal): Likewise.
6251 2005-01-13 Hans-Peter Nilsson <hp@bitrange.com>
6255 * reload1.c (delete_output_reload): Don't delete an output reload
6256 if the pseudo lives longer than a single basic block. Adjust and
6257 improve wording of comment.
6259 2005-01-12 Andrew Pinski <pinskia@physics.uc.edu>
6262 * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
6263 of TYPE_SIZE where we mean the number of bytes.
6265 2005-01-12 Aldy Hernandez <aldyh@redhat.com>
6267 * function.c (assign_parm_setup_block): Relax condition on
6268 multi-register optimization.
6270 2005-01-12 Nick Clifton <nickc@redhat.com>
6272 * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
6273 an "in_delay_slot" attribute of "no" to prevent them being used in
6274 delay slots. This is forbidden because they might generate
6277 2005-01-12 Alan Modra <amodra@bigpond.net.au>
6280 * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
6283 2005-01-12 Nick Clifton <nickc@redhat.com>
6285 * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
6286 passed on to GAS) but do not define, as GAS no longer supports or
6287 needs the -m2000 option.
6289 2005-01-11 Roger Sayle <roger@eyesopen.com>
6291 * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
6292 type as args of unprototyped builtins aren't automatically promoted.
6293 (fold_builtin_abs): Likewise.
6295 2005-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6297 * Makefile.in: Set a `build-warn' variable.
6299 2005-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6301 PR tree-optimization/17949
6302 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
6303 (find_interesting_uses_address): Use it.
6305 2005-01-11 Aldy Hernandez <aldyh@redhat.com>
6307 * regrename.c (kill_value): Handle subreg's that won't simplify.
6309 2005-01-11 Richard Henderson <rth@redhat.com>
6312 * config/i386/i386.h (enum ix86_builtins): Move ...
6313 * config/i386/i386.c: ... here.
6314 (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
6315 IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
6316 IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
6317 IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
6318 IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD, IX86_BUILTIN_STOREHPD,
6319 IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
6320 IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
6321 IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
6322 IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
6323 IX86_BUILTIN_LOADDDUP): Remove.
6324 (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
6325 IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
6326 IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
6327 IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
6328 IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
6329 (ix86_init_builtins): Make static.
6330 (ix86_init_mmx_sse_builtins): Update for changed builtins.
6331 (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
6332 if all the modes match. Otherwise, fake it.
6333 (get_element_number, ix86_expand_vec_init_builtin,
6334 ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
6335 (ix86_expand_builtin): Make static. Update for changed builtins.
6336 (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
6337 operand instead of sse2_loadsd. Cast sse1 fallback to V4SFmode.
6338 (ix86_expand_vector_init_duplicate): New.
6339 (ix86_expand_vector_init_low_nonzero): New.
6340 (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
6341 Split out from ix86_expand_vector_init; handle integer modes.
6342 (ix86_expand_vector_init): Use them.
6343 (ix86_expand_vector_set, ix86_expand_vector_extract): New.
6344 * config/i386/i386-protos.h: Update.
6345 * config/i386/predicates.md (reg_or_0_operand): New.
6346 * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
6347 (movv2sf_internal): Likewise. And a splitter to match them all.
6348 (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
6349 vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
6350 vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
6351 vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
6352 (mmx_pinsrw): Fix operand ordering.
6353 * config/i386/sse.md (movv4sf splitter): Use direct pattern,
6354 rather than sse_loadss expander.
6355 (movv2df splitter): Similarly.
6356 (sse_loadss, sse_loadlss): Remove.
6357 (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
6358 (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
6359 (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
6360 (sse3_movddup): Rename with '*'.
6361 (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
6362 (sse2_loadsd): Remove.
6363 (vec_dupv2df_sse3): Rename from sse3_loadddup.
6364 (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
6365 (sse2_pinsrw): Fix argument ordering.
6366 (sse2_loadld, sse2_loadq): Add sse1 alternatives.
6367 (sse2_stored): Remove 'r' destination.
6368 (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
6369 vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
6370 vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
6371 vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
6372 vec_extractv16qi, vec_initv16qi): New.
6374 * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
6375 (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
6376 _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
6378 (_mm_load_pd, _mm_store_pd): Use plain dereference.
6379 (_mm_load_si128, _mm_store_si128): Likewise.
6380 (_mm_load1_pd): Use _mm_set1_pd.
6381 (_mm_load_sd): Use _mm_set_sd.
6382 (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
6383 (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
6384 (_mm_set_epi64): Use _mm_set_epi64x.
6385 (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
6386 _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
6387 _mm_setr_epi8): Use _mm_set_foo form.
6388 (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
6389 (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
6390 (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
6391 (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
6392 * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
6393 (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
6394 (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
6395 (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
6396 (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
6397 * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
6398 (_mm_movedup_pd): Use _mm_shuffle_pd.
6399 * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
6400 _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
6401 (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
6402 _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
6404 (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
6405 (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
6406 (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
6407 (_mm_store_ps): Use raw dereference.
6408 (_mm_store1_ps): Use _mm_storeu_ps.
6409 (_mm_storer_ps): Use _mm_store_ps.
6410 (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
6411 (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
6413 2005-01-11 Stan Shebs <shebs@apple.com>
6415 * config/rs6000/rs6000.c (machopic_output_stub): Issue
6416 ldu instead of lwzu if 64-bit -mdynamic-no-pic.
6418 2005-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6421 * config/rs6000/rs6000.c (rs6000_special_round_type_align):
6422 Skip all DECLs except for FIELD_DECLs.
6424 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
6426 * config/s390/s390.c (override_options): Return error if
6427 -mbackchain, -mpacked-stack and -mhard-float are used together.
6428 (s390_va_start): Remove the backchain && packed-stack special case.
6429 (s390_gimplify_va_arg): Likewise.
6430 * doc/invoke.texi: Remove the ABI incompatibility note.
6432 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
6434 * config/s390/s390.c (struct s390_frame_layout): Remove
6436 (s390_frame_info, s390_emit_prologue): Replace occurrences of
6437 save_backchain_p with TARGET_BACKCHAIN.
6439 2005-01-11 Alan Modra <amodra@bigpond.net.au>
6442 * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
6443 * expr.h (struct locate_and_pad_arg_data): Add "boundary".
6444 * function.c (locate_and_pad_parm): Set new field.
6445 (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
6446 Tweak where_pad test to include "none". Always set mem align for
6448 (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
6449 not sufficient for type.
6450 (assign_parm_setup_block): If stack_parm is zero on entry, always
6451 make a new stack local. Block move old stack parm if necessary
6452 to new aligned stack local.
6453 (assign_parm_setup_stack): Use a block move to handle
6454 potentially misaligned entry_parm.
6455 (assign_parms_unsplit_complex): Specify required alignment when
6456 creating stack local.
6457 * calls.c (compute_argument_addresses): Override alignment of stack
6458 arg calculated from its type with the alignment given by
6459 FUNCTION_ARG_BOUNDARY.
6460 (store_one_arg): Likewise.
6462 2005-01-11 Jan Beulich <jbeulich@novell.com>
6464 * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
6465 Change respective itanium_class attribute to ialu.
6466 (shladdp4_internal): New.
6467 * config/ia64/predicates.md (shladd_log2_operand): New.
6469 2005-01-11 Richard Henderson <rth@redhat.com>
6471 * expr.c (store_constructor): Use rtvec_alloc instead of
6472 alloca+gen_rtvec_v, and an incorrect number passed to alloca.
6474 2005-01-11 Kazu Hirata <kazu@cs.umass.edu>
6476 * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
6478 2005-01-11 Alan Modra <amodra@bigpond.net.au>
6480 * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
6481 * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
6482 (TARGET_RWRELOC): Define.
6483 (ia64_rwreloc_section_type_flags): Delete.
6484 (ia64_section_type_flags): New function.
6485 * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
6486 (TARGET_RWRELOC): Define.
6488 2005-01-10 David Mosberger <davidm@hpl.hp.com>
6491 * config/ia64/ia64.c (process_set): For alloc insn, only call
6492 process_epilogue is !frame_pointer_needed.
6494 2005-01-10 Roger Sayle <roger@eyesopen.com>
6497 * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
6498 unary operator and can't be treated as a binary/comparison operator.
6500 2005-01-10 Richard Henderson <rth@redhat.com>
6502 * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
6503 (ix86_return_in_memory): Likewise.
6504 (function_arg_advance): Likewise. Mirror structure in function_arg
6505 for choosing register to advance.
6507 2005-01-10 Kazu Hirata <kazu@cs.umass.edu>
6509 * tree-vectorizer.c, tree.def: Fix comment typos.
6511 2005-01-10 Mark Dettinger <dettinge@de.ibm.com>
6513 * config/s390/s390.c (struct processor_costs): 4 new fields:
6514 ddbr, ddr, debr, der.
6515 (s390_rtx_costs): More precise handling of divide instructions.
6517 2005-01-10 David Edelsohn <edelsohn@gnu.org>
6519 * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
6521 2005-01-10 Jan Beulich <jbeulich@novell.com>
6523 * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
6524 names resulting from -ffunction-sections/-fdata-sections and linkonce
6526 * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
6527 based on the section name. Rearrange the section name comparison logic
6528 slightly so that each section name is compared against at most once.
6530 2005-01-10 Ben Elliston <bje@au.ibm.com>
6532 * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
6533 targets for which -fPIC reduces limitations on the GOT size.
6535 2005-01-09 Falk Hueffner <falk@debian.org>
6537 * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
6540 2005-01-09 David Edelsohn <edelsohn@gnu.org>
6543 * collect2.c (main): Set aixrtl_flag for -brtl option.
6544 (resolve_lib_name): Search for .so file extension before .a
6547 2005-01-09 Dorit Naishlos <dorit@il.ibm.com>
6549 * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
6550 (vect_analyze_data_refs_alignment): Add dump prints.
6552 2005-01-09 Ira Rosen <irar@il.ibm.com>
6554 * tree-vectorizer.c (vect_analyze_offset_expr): Use
6555 expr_invariant_in_loop_p.
6556 Initialize outputs first thing in the function.
6557 (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
6558 (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
6559 (vect_analyze_pointer_ref_access): Check that the initial condition of
6560 the access function is loop invariant.
6562 2005-01-09 Richard Henderson <rth@redhat.com>
6564 * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
6565 (ix86_expand_builtin): Likewise. Frob MASKMOVQ wrt the input mem
6566 just like MASKMOVDQU. Return plain zero for MMX_ZERO.
6567 * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
6568 mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
6569 movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
6570 movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
6571 sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
6572 ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
6573 mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6574 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6575 sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
6576 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
6577 mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
6578 gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
6579 ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
6580 mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6581 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6582 mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
6583 eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
6584 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
6585 pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
6586 pswapdv2sf2): Move to mmx.md; rename as necessary with leading
6588 (mmx_clrdi, pavgusb): Remove.
6589 (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
6590 with leading sse_ prefix.
6591 * config/i386/sse.md: Receive them.
6592 * config/i386/mmx.md: New file.
6593 (MMXMODE12, MMXMODE24, mmxvecsize): New.
6594 (subrv2sf3): Turn into expander for normal subtraction.
6595 (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
6596 mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
6597 mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
6598 mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
6599 commutative; use ix86_binary_operator_ok.
6600 (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
6601 mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
6602 mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
6603 mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
6604 mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
6605 Macroize from existing patterns; use ix86_binary_operator_ok.
6606 (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
6607 (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
6608 mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise. Model
6609 with vec_select+vec_concat.
6610 (mmx_pshufw, mmx_pshufw_1): Likewise.
6611 (mmx_uavgv8qi3): Merge pavgusb. Model correcty.
6612 (mmx_uavgv4hi3): Model correctly.
6613 * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
6614 _mm_xor_si64): Remove casts.
6616 2005-01-09 Zdenek Dvorak <dvorakz@suse.cz>
6618 PR tree-optimization/19224
6619 * tree-scalar-evolution.c (get_instantiated_value,
6620 set_instantiated_value): New functions.
6621 (instantiate_parameters_1): Cache the results.
6622 (instantiate_parameters, resolve_mixers): Initialize and free
6625 2005-01-08 David Edelsohn <edelsohn@gnu.org>
6627 * config/i386/i386.md (addhi_4): Correct reference in comment.
6630 2005-01-08 Richard Henderson <rth@redhat.com>
6632 * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
6633 (_mm_cvtsi128_si64x): Likewise.
6634 (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
6635 _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
6636 the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
6637 * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
6638 * config/i386/i386-protos.h: Update.
6639 * config/i386/i386.c (print_operand): Add 'H'.
6640 (ix86_fixup_binary_operands): Split out from ...
6641 (ix86_expand_binary_operator): ... here.
6642 (ix86_fixup_binary_operands_no_copy): New.
6643 (ix86_expand_fp_absneg_operator): Handle vector mode results.
6644 (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
6645 (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
6646 (safe_vector_operand): Use CONST0_RTX.
6647 (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
6648 (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
6649 CODE_FOR_sse2_maskmovdqu. Special case SSE version of MASKMOVDQU
6650 expansion. Update names for sse{,2,3}_ prefixes. Remove *maskncmp*
6652 * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
6653 (IX86_BUILTIN_CMPNGESS): New.
6654 * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
6655 (attr type): Add sselog1.
6656 (attr unit, attr memory): Handle it.
6657 (movti, movti_internal, movti_rex64): Move near other integer moves.
6658 (movtf, movtf_internal): Move near other fp moves.
6659 (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
6660 vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
6661 movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
6662 movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
6663 sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
6664 sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
6665 sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
6666 mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
6667 rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
6668 sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
6669 sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
6670 sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
6671 vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6672 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6673 cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
6674 cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
6675 vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
6676 vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
6677 sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
6678 sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
6679 cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
6680 cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
6681 cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
6682 cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
6683 ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
6684 subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
6685 smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
6686 sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
6687 sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
6688 sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
6689 gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
6690 ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
6691 ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
6692 sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
6693 sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
6694 sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
6695 sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
6696 sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
6697 sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
6698 sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
6699 mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
6700 addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
6701 movsldup, lddqu, loadddup, movddup): Move to sse.md. Any with
6702 non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
6704 (SSEPUSH, push<SSEPUSH>): Remove.
6705 (MMXPUSH, push<MMXPUSH>): Remove.
6706 (sse_movaps, sse_movaps_1, sse_movups): Remove.
6707 (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
6708 (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
6709 (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
6710 (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
6711 (maskncmpv2df3, vmmaskncmpv2df3): Remove.
6712 (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
6713 (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
6714 * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
6715 (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
6716 * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
6717 (ppro_sse_log_V4SF_load): Similarly. Handle sselog1.
6718 (ppro_sse_log_V4SF): Handle sselog1.
6719 * config/i386/predicates.md (const_0_to_1_operand): New.
6720 (const_0_to_255_mul_8_operand): New.
6721 (const_1_to_31_operand): Rename from const_int_1_31_operand.
6722 (const_2_to_3_operand, const_4_to_7_operand): New.
6723 * config/i386/sse.md: New file.
6724 (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
6725 (sse_movups): Rename from sse_movups_1.
6726 (sse_loadlss): Rename from sse_loadss_1.
6727 (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
6729 (negv4sf2): Use ix86_expand_fp_absneg_operator.
6730 (absv4sf2, negv2df, absv2df): New.
6731 (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
6732 (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
6733 iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
6734 smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
6735 umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
6736 (sse3_addsubv4sf3): Model correctly.
6737 sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
6738 sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
6739 (sse_movhlps): Model with vec_select+vec_concat.
6740 (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
6741 sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
6742 sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
6743 sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
6744 sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
6745 sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
6746 sse2_pshufhw_1): Likewise.
6747 (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
6748 (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
6749 sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
6750 ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
6751 sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
6752 ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
6753 (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
6754 sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
6755 mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
6756 sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
6757 sminv8hi3): Mark commutative
6758 operands. Use ix86_binary_operator_ok.
6759 (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
6760 sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
6761 sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
6762 sse2_punpcklqdq): Allow operand2 in memory.
6763 (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
6764 sse2_movsd): Add memory alternatives.
6765 (sse_storelps): Turn expander into an insn; split after reload.
6766 (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
6767 (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
6769 2005-01-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6771 * configure.ac (DWARF-2 debug_line): Use objdump.
6772 * configure: Regenerate.
6774 2005-01-08 Jeff Law <law@redhat.com>
6775 Diego Novillo <dnovillo@redhat.com>
6777 PR tree-optimization/18241
6778 * tree-nrv.c (tree_nrv): Ignore volatile return values.
6779 * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
6780 statements with volatile operands.
6781 * tree-ssa-operands.c (add_stmt_operand): Do add volatile
6782 operands after marking a statement with has_volatile_ops.
6784 2005-01-08 Roger Sayle <roger@eyesopen.com>
6786 * tree.c (int_fits_type_p): Always honor integer constant
6787 TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
6789 2005-01-08 Roger Sayle <roger@eyesopen.com>
6791 * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
6792 the latent bug in rtl_delete_block has been resolved.
6794 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
6796 * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
6797 (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
6799 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
6801 * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
6802 library as @multilib_dir@/$(SHLIB_SONAME).
6804 2005-01-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6806 * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
6807 * configure: Regenerate.
6809 2005-01-07 Jakub Jelinek <jakub@redhat.com>
6811 * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
6814 2005-01-07 David Edelsohn <edelsohn@gnu.org>
6817 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6818 Convert non-word aligned offset address using ld/std into
6821 2005-01-07 Richard Henderson <rth@redhat.com>
6823 * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
6825 2005-01-07 Richard SAndiford <rsandifo@redhat.com>
6827 * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
6829 2005-01-07 Jakub Jelinek <jakub@redhat.com>
6831 PR tree-optimization/19283
6832 * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
6833 is not shorter than the original type.
6835 PR rtl-optimization/19012
6836 * config/i386/i386.md (addqi_1_slp): Set memory attribute.
6838 PR rtl-optimization/18861
6839 * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
6840 (FULL_STATE): Define.
6841 (mark_tablejump_edge): New function.
6842 (purge_dead_tablejump_edges): New function.
6843 (find_bb_boundaries): Use it.
6845 PR tree-optimization/18828
6846 * builtins.c (expand_builtin_next_arg): Remove argument and all
6847 the argument checking.
6848 (expand_builtin): Adjust caller.
6849 (expand_builtin_va_start): Likewise. Remove error for too many
6851 (fold_builtin_next_arg): Issue error for too many arguments.
6852 After checking arguments, replace them with magic arguments that
6853 prevent further checking of the args.
6855 2005-01-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6857 * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
6859 2005-01-06 Roger Sayle <roger@eyesopen.com>
6862 * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
6863 and %{.S:...} (and their negative variants) to test whether the
6864 input file is assembler or pre-processed-assembler independent of
6865 the actual filename extension.
6867 2005-01-06 Roger Sayle <roger@eyesopen.com>
6869 * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
6870 of sign or zero extended values.
6872 2005-01-06 Geoffrey Keating <geoffk@apple.com>
6874 * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
6875 for IBM long double format correctly.
6877 2005-01-06 Daniel Berlin <dberlin@dberlin.org>
6879 Fix PR tree-optimization/18792
6881 * tree-data-ref.c (build_classic_dist_vector): Change first_loop
6882 to first_loop_depth, and use loop depth instead of loop number.
6883 (build_classic_dir_vector): Ditto.
6884 (compute_data_dependences_for_loop): Use depth, not loop number.
6885 * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
6886 number. Pass in loops, instead of loop numbers.
6887 (gather_interchange_stats): Ditto.
6888 (linear_transform_loops): Ditto.
6890 2005-01-06 Richard Sandiford <rsandifo@redhat.com>
6893 * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
6894 biv_fits_mode_p, extension_within_bounds_p): New functions.
6895 (check_ext_dependent_givs): Use them.
6897 2005-01-06 Roger Sayle <roger@eyesopen.com>
6899 * cfgrtl.c (rtl_delete_block): A basic block may be followed by
6900 more than one barrier, in which case we should delete them all.
6902 2005-01-06 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
6904 * gcc.c (process_command): Change year in 'gcc --version' to 2005.
6906 2005-01-05 Daniel Berlin <dberlin@dberlin.org>
6908 Fix PR middle-end/19286
6910 * dwarf2out.c (gen_subprogram_die): If we've already tried to
6911 output this subprogram, simply ignore this attempt to do it again.
6912 (add_abstract_origin_attribute): Don't abort trying to add the abstract
6913 origin attribute if it's not possible.
6914 (gen_block_die): Don't ignore subblocks of "unused" blocks.
6915 (decls_for_scope): Ditto.
6916 * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
6917 (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
6919 2005-01-05 Richard Henderson <rth@redhat.com>
6922 * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
6923 (bdesc_2arg): Use it.
6924 (ix86_expand_binop_builtin): Force operands into registers
6926 (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
6927 ix86_expand_sse_compare, ix86_expand_sse_comi,
6928 ix86_expand_builtin): Likewise.
6930 2005-01-05 Richard Henderson <rth@redhat.com>
6932 * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
6934 * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
6935 (mulv4hi3): Set itanium_class mmmul.
6936 (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
6937 (fpack): Rename from fpack_sfsf.
6939 2005-01-05 Richard Henderson <rth@redhat.com>
6942 * reload1.c (do_input_reload): Restrict the optimization deleteing
6943 a previous output reload to RELOAD_FOR_INPUT.
6945 2005-01-05 Steven Bosscher <stevenb@suse.de>
6947 * combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add
6948 comment that we fall through after case.
6949 (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
6950 (distribute_links): Likewise.
6951 * cse.c (cse_insn): Likewise.
6952 * cselib.c (cselib_invalidate_mem): Likewise.
6953 * df.c: Update comments at the top of the file.
6954 (read_modify_subreg_p): Update comments here too.
6955 (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
6956 * flow.c (mark_set_1): Likewise.
6957 (mark_used_regs): Likewise.
6958 * gcse.c (mems_conflict_for_gcse_p): Likewise.
6959 (canon_list_insert): Likewise.
6960 (mark_set): Likewise.
6961 (try_replace_reg): Likewise.
6962 (store_killed_in_insn): Likewise.
6963 * loop.c (count_one_set): Likewise.
6964 (basic_induction_var): Likewise.
6965 * postreload-gcse.c (find_mem_conflicts): Likewise.
6966 * postreload.c (reload_combine_note_store): Likewise.
6967 (move2add_note_store): Likewise.
6968 * reload.c (find_equiv_reg): Likewise.
6969 (mark_referenced_resources): Likewise.
6970 * rtlanal.c (set_noop_p): Likewise.
6971 (note_stores): Likewise.
6972 (note_uses): Likewise.
6973 * sched-deps.c (sched_analyze_1): Likewise.
6974 * sched-rgn.c (check_live_1): Likewise.
6975 (update_live_1): Likewise.
6976 * config/i860/i860.c: Likewise.
6978 * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
6980 (ZERO_EXTRACT): Mention that this one can be an lvalue.
6982 * doc/rtl.texi: Update documentation for bit-fields and SET.
6984 2005-01-05 Roger Sayle <roger@eyesopen.com>
6986 * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
6988 2005-01-05 Jan Hubicka <jh@suse.cz>
6989 Richard Henderson <rth@redhat.com>
6992 * config/i386/i386.c (ix86_expand_move): Handle tls symbols
6995 2005-01-05 Richard Henderson <rth@redhat.com>
6998 * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
6999 (sse_shufps): Change operand 3 to const_int_operand.
7000 (sse2_storelps): Fix typo in template.
7001 (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
7002 * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
7003 (ix86_expand_builtin): Likewise.
7005 2005-01-05 Julian Brown <julian@codesourcery.com>
7007 * config/arm/arm.c (arm_return_in_memory): Treat complex types
7008 as aggregates for AAPCS ABIs.
7010 2005-01-05 Stan Shebs <shebs@apple.com>
7012 * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
7013 Mach-O getters if ppc64.
7014 * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
7016 * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
7017 signed four-byte field for global code case.
7018 (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
7020 2005-01-05 Roger Sayle <roger@eyesopen.com>
7023 * c-common.c: Include real.h.
7024 (c_common_truthvalue_conversion): Avoid destructively modifying expr.
7025 Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
7026 Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
7027 * Makefile.in (c-common.o): Update dependencies.
7029 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
7031 * c-parse.in (asm_string): Add trailing semicolon.
7033 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
7035 * c-parse.in (asm_string): New. Don't allow wide strings in
7037 (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
7038 asm_string instead of STRING.
7040 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
7042 * c-typeck.c (constructor_no_implicit): Remove.
7043 (set_designator, process_init_element): Don't check
7044 constructor_no_implicit.
7046 2005-01-05 J"orn Rennecke <joern.rennecke@st.com>
7047 Kaz Kojima <kkojima@gcc.gnu.org>
7050 * lcm.c (create_pre_exit): New.
7051 (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
7052 ENTRY_EXIT_EXTRA to 3. Use create_pre_exit.
7054 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
7056 * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
7057 -msoft-float in target_float_switch.
7058 * arm.c (arm_override_options): Fix processing of target_float_switch.
7060 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
7062 * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
7065 2004-01-05 Uros Bizjak <uros@kss-loka.si>
7067 * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
7068 Replace i387 with 'i386 compiler' in -mfpmath=sse option.
7070 2005-01-04 Roger Sayle <roger@eyesopen.com>
7072 * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
7073 if deleting the then-block allows the test-block to fallthru to the
7076 2005-01-04 Andrew Pinski <pinskia@physics.uc.edu>
7079 * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
7080 after the full declaration if the are in two different TUs.
7082 2005-01-04 Richard Henderson <rth@redhat.com>
7085 * tree-sra.c (generate_one_element_init): Just
7086 call gimplify_and_add.
7087 (generate_element_init): Record the
7088 new referenced variables and mark them for renaming
7089 and split out to ...
7090 (generate_element_init_1): This.
7091 (scalarize_init): Don't call push_gimplify_context/
7092 pop_gimplify_context.
7094 2005-01-04 Geoffrey Keating <geoffk@apple.com>
7096 * toplev.c (get_src_pwd): Handle failure of getpwd().
7098 2005-01-04 Roger Sayle <roger@eyesopen.com>
7100 * fold-const.c (fold_single_bit_test): Delete unreachable handling
7102 (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
7103 all the cases handled by it are inverted by invert_truthvalue.
7105 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7107 * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
7108 (save_register_windowsi): Likewise.
7110 2005-01-04 Richard Henderson <rth@redhat.com>
7112 * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
7114 2005-01-04 Uros Bizjak <uros@kss-loka.si>
7117 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
7118 any simplifications of vector mode comparison operators.
7119 * simplify-rtx.c (simplify_relational_operation): Fix variable name.
7121 2005-01-04 Paolo Bonzini <bonzini@gnu.org>
7122 Devang Patel <dpatel@apple.com>
7124 PR tree-optimization/18308
7125 * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
7126 the operands before creating a new expression.
7127 * dojump.c (do_jump): Make drop_through_label available
7128 for all cases. Add expansion of COND_EXPR.
7130 2005-01-04 Ira Rosen <irar@il.ibm.com>
7132 * tree-vectorizer.c (vect_analyze_offset_expr): Test for
7133 INTEGER_CST instead of TREE_CONSTANT.
7134 (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
7135 instead of TREE_CONSTANT.
7136 (vect_analyze_pointer_ref_access): Test for INTEGER_CST
7137 instead of TREE_CONSTANT.
7139 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7141 * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
7143 2005-01-04 Uros Bizjak <uros@kss-loka.si>
7146 * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
7147 (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
7149 2005-01-03 Richard Henderson <rth@redhat.com>
7151 * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
7152 (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
7153 fold_convert_const_real_from_real): Split out from ...
7154 (fold_convert_const): ... here.
7156 2005-01-03 Richard Henderson <rth@redhat.com>
7159 * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
7160 (mov<MMXMODEI>_internal): Likewise.
7161 (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
7162 Add V2SF case; use it for SSE1; don't use TI.
7163 (movdf_integer): Likewise.
7164 (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
7166 2005-01-03 Ira Rosen <irar@il.ibm.com>
7168 * tree-vectorizer.c (vect_strip_conversions): New function.
7169 (vect_analyze_offset_expr): Call vect_strip_conversions. Add
7170 check for binary class.
7172 2005-01-03 Daniel Berlin <dberlin@dberlin.org>
7176 * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
7178 * gimple-low.c (mark_blocks_with_used_vars): New function.
7179 (mark_blocks_with_used_subblocks): Ditto.
7180 (mark_used_blocks): Ditto.
7181 (pass_mark_used_blocks): New pass.
7182 * tree-inline.c: Include debug.h.
7183 (expand_call_inline): Call outlining_inline_function here.
7184 * tree-optimize.c (init_tree_optimization_passes): Add
7185 pass_mark_used_blocks.
7186 * tree-pass.h (pass_mark_used_blocks): New.
7187 * Makefile.in (tree-inline.o): Add debug.h dependency.
7189 2005-01-03 Geoffrey Keating <geoffk@apple.com>
7191 * config/darwin.c (darwin_handle_weak_import_attribute): Permit
7192 VAR_DECLs to have weak_import attribute.
7194 * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
7197 2004-01-03 Steven Bosscher <stevenb@suse.de>
7199 * passes.c (rest_of_compilation): Don't run regmove if only
7200 flag_expensive_optimizations, require flag_regmove instead.
7202 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7204 * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
7206 * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
7207 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7208 * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
7209 * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7211 2005-01-03 Richard Henderson <rth@redhat.com>
7213 * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
7214 (ia64_const_ok_for_letter_p): New.
7215 (ia64_const_double_ok_for_letter_p): New.
7216 (ia64_extra_constraint): New.
7217 (ia64_expand_vecint_compare): New.
7218 (ia64_expand_vcondu_v2si): New.
7219 (ia64_expand_vecint_cmov): New.
7220 (ia64_expand_vecint_minmax): New.
7221 (ia64_print_operand): Add 'v'.
7222 (ia64_preferred_reload_class): New.
7223 (ia64_vector_mode_supported_p): New.
7224 * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
7225 (PREFERRED_RELOAD_CLASS): Move to function.
7226 (CONST_OK_FOR_LETTER_P): Move to function.
7227 (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
7228 (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
7229 (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
7230 (EXTRA_CONSTRAINT): Move to function.
7231 * config/ia64/ia64.md: Include vect.md.
7232 (itanium_class): Add mmalua.
7234 * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses.
7236 * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
7237 * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
7239 (const_int_2bit_operand): New.
7240 (fr_reg_or_0_operand): New.
7241 * config/ia64/ia64-modes.def: Add vector modes.
7242 * config/ia64/ia64-protos.h: Update.
7243 * config/ia64/vect.md: New file.
7245 2005-01-03 Richard Henderson <rth@redhat.com>
7247 * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
7249 2005-01-03 Uros Bizjak <uros@kss-loka.si>
7252 * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
7254 (log1pdf2): Change mode of operands[0,1] to DFmode.
7256 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7258 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
7259 * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
7260 * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
7261 * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
7262 SPARC_RELAXED_ORDERING.
7264 2005-01-03 Richard Henderson <rth@redhat.com>
7265 Uros Bizjak <uros@kss-loka.si>
7268 * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
7269 IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
7270 * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
7272 (*mmx_pinsrw, *sse2_pinsrw): New patterns.
7273 * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
7274 const_pow2_1_to_128_operand): New predicates.
7276 2005-01-02 Greg McGary <greg@mcgary.org>
7278 * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
7280 (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
7281 object. [ptr_type]: Remove unused variable.
7282 Remember nearest addressable array-element or record-component
7283 when checking bitfield components. Tolerate empty BIND_EXPR.
7285 2005-01-01 Richard Henderson <rth@redhat.com>
7287 * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
7288 that don't narrow the value. Fail for other conversions.
7290 2005-01-01 Richard Henderson <rth@redhat.com>
7293 * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
7294 * c-lang.c (finish_file): Don't do it here.
7295 * objc/objc-act.c (objc_finish_file): Likewise.
7297 * cgraph.c (decl_assembler_name_equal): New.
7298 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
7299 (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
7300 * cgraph.h (struct cgraph_varpool_node): Add next.
7301 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
7302 * varasm.c (assemble_alias): Mark the target as needed.
7304 2005-01-01 Andrew Pinski <pinskia@physics.uc.edu>
7307 * function.c (get_arg_pointer_save_area): Use entry_of_function
7308 instead of get_insns.
7310 2005-01-01 Roger Sayle <roger@eyesopen.com>
7311 Andrew Pinski <pinskia@physics.uc.edu>
7312 James E. Wilson <wilson@specifixinc.com>
7314 PR rtl-optimization/12092
7315 * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
7318 2005-01-01 Roger Sayle <roger@eyesopen.com>
7319 Olivier Hainque <hainque@act-europe.fr>
7321 * tree.c (int_fits_type_p): A narrower type always fits in a
7322 wider one, except for negative values into unsigned types.
7324 2005-01-01 Roger Sayle <roger@eyesopen.com>
7326 * tree.c (int_fits_type_p): Compare the result of force_fit_type
7327 with the original constant rather than require TREE_OVERFLOW.
7329 2005-01-01 Steven Bosscher <stevenb@suse.de>
7332 * c-decl.c (finish_function): If compiling C99, annotate the
7333 compiler generated return with the current file name and line 0.
7334 * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
7335 the source line is greater than 0.
7336 (remove_bb): Likewise.
7338 See ChangeLog.12 for earlier changes.