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1 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
2
3         PR tree-optimization/20913
4         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
5
6         PR tree-optimization/20702
7         * tree-vrp.c (maybe_add_assert_expr): Recurse into
8         dominator children that haven't been walked into.
9
10 2005-04-13  Julian Brown  <julian@codesourcery.com>
11
12         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
13         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
14         is true. 
15
16 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
17
18         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
19         config/i386/sse.md: Fix comment typos.
20
21         * genattrtab.c (NULL_ATTR): Remove.
22         * ifcvt.c (NULL_EDGE): Likewise.
23
24         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
25
26         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
27         NOTE_PREDICT): Remove.
28
29 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
30
31         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
32         * configure: Regenerate.
33         * config.in: Likewise.
34         * system.h: Declare vsnprintf if not already declared.
35
36 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
37
38         * optc-gen.awk: Handle stand-alone Mask records.
39         * opth-gen.awk: Likewise.
40         * doc/options.texi (Option file format): Document them.
41         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
42         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
43         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
44         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
45         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
46         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
47         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
48         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
49         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
50         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
51         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
52         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
53         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
54         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
55         TARGET_LONG_DOUBLE_128): Likewise.
56         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
57         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
58         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
59         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
60         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
61         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
62         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
63         * config/sparc/sparc.c (fpu_option_set): New global.
64         (sparc_handle_option): New function.
65         (sparc_override_options): Test fpu_option_set.
66         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
67         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
68         * config/sparc/sparc.opt: New file.
69         * config/sparc/little-endian.opt: Likewise.
70         * config/sparc/long-double-switch.opt: Likewise.
71
72 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
73
74         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
75         (bfin_handle_options): Set it if -mshared-library-id= is seen.
76         * config/bfin/bfin.opt (mshared-library-id=): Lose
77         Var(bfin_lib_id_given).
78
79 2005-04-13  Matt Thomas  <matt@3am-software.com>
80  
81         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
82         defining.
83
84 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
85
86         * rtl.h (CLEAR_RTX_FLAGS): Remove.
87
88         * cgraphunit.c (INSNS_PER_CALL): Remove.
89
90         * tree-ssa-forwprop.c (vars,
91         record_single_argument_cond_exprs,
92         substitute_single_use_vars): Remove.
93         (forward_propagate_into_cond_1, forward_propagate_into_cond):
94         New.
95         (tree_ssa_forward_propagate_single_use_vars): Call
96         forward_propagate_into_cond for each COND_EXPR.
97
98         * tree-inline.c (INSNS_PER_STMT): Remove.
99
100 2005-04-12  Richard Henderson  <rth@redhat.com>
101
102         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
103         (ix86_expand_sse_fp_minmax): ... from ... 
104         (ix86_expand_fp_movcc): ... here.
105         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
106         * config/i386/i386-protos.h: Update.
107         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
108         (sse_setccsf, sse_setccdf): Allow before reload.
109         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
110         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
111         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
112         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
113         (anddf3, nanddf3, iordf3, xordf3): New.
114
115 2005-04-12  Jeff Law  <law@redhat.com>
116
117         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
118         (tree-ssa-uncprop.o): Add dependencies.
119         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
120         * tree-flow.h (remove_useless_stmts): Remove prototype.
121         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
122         remove_useless_stmts.
123         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
124         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
125         * tree-pass.h (pass_uncprop): Declare.
126         * tree-ssa-uncprop.c: New file.
127
128 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
129
130         PR target/20670
131         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
132
133 2005-04-12  Caroline Tice  <ctice@apple.com>
134
135         Temporary fix for partitioning problems.
136         * passes.c (rest_of_handle_final): Remove code that 
137         frees unlikely_text_section_name,
138         * varasm.c (assemble_start_function): Test for partitioning
139         flag before writing out section labels.
140         (assemble_end_function): Test for partitioning flag before
141         writing out section labels.
142         
143 2005-04-12  Steven Bosscher  <stevenb@suse.de>
144             Stuart Hastings <stuart@apple.com>
145             Jan Hubicka  <jh@suse.cz>
146
147         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
148         references to gt-tree-cfg.h.
149         * basic-block.h (struct basic_block_def): Don't skip rbi
150         for garbage collection.
151         (struct reorder_block_def): Make GTY-able.
152         (struct control_flow_graph): New structure.
153         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
154         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
155         but instead defines to the control_flow_graph for cfun.
156         (label_to_block_map): New define, points to the label map of
157         the control_flow_graph for cfun.
158         (n_edges_for_function, n_basic_blocks_for_function,
159         last_basic_block_for_function, basic_block_info_for_function,
160         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
161         basic_block_info_for_function, label_to_block_map_for_function):
162         Counterparts for the above, taking a struct function as an extra
163         argument.
164         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
165         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
166         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
167         (alloc_rbi_pool, free_rbi_pool): Remove.
168         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
169         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
170         here...
171         (cfg_layout_finalize) ... and don't free it here.
172         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
173         garbage collected.
174         * flow.c (free_basic_block_vars): Set label_to_block_map and
175         n_edges to zero too.
176         * function.h (struct function): Add cfg field.
177         * function.c (allocate_struct_function): Allocate the cfg.
178         * tree-cfg.c (label_to_block_map): Remove.
179         (build_tree_cfg): Don't allocate the rbi pool here...
180         (delete_tree_cfg_annotations): ...and don't free it here.
181         Also don't nullify label_to_block_map for cfun.
182
183 2005-04-12  Caroline Tice  <ctice@apple.com>
184
185         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
186         Revert my patch from April 9.
187         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
188         (reorder_basic_blocks): Revert my patch from April 9.
189         (insert_section_boundary_note): Revert my patch from April 9.
190         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
191         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
192         (COLD_END_LABEL):  Revert my patch from April 9.
193         (cold_text_section_label):  Revert my patch from April 9.
194         (cold_end_label): Revert my patch from April 9.
195         (dwarf2out_switch_text_section): Revert my patch from April 9.
196         (output_aranges): Revert my patch from April 9.
197         (output_ranges):  Revert my patch from April 9.
198         (output_line_info): Revert my patch from April 9.
199         (add_location_or_const_value_attribute):  Revert my patch from April 9.
200         (dwarf2out_var_location): Revert my patch from April 9.
201         (dwarf2out_init):  Revert my patch from April 9.
202         (dwarf2out_finish): Revert my patch from April 9.
203         * function.h (struct function): Revert my patch from April 9.
204         * opts.c (decode_options): Revert my patch from April 9.
205         * output.h (unlikely_section_label, hot_section_label,
206         hot_section_end_label, cold_section_end_label, 
207         unlikely_text_section_name): Revert my patch from April 9.
208         * passes.c (rest_of_handle_final): Revert my patch from April 9.
209         * varasm.c (unlikely_section_label, hot_section_label,
210         hot_section_end_label, cold_section_end_label,
211         unlikely_text_section_name): Revert my patch from April 9.
212         (initialize_cold_section_name): Revert my patch from April 9.
213         (unlikely_text_section): Revert my patch from April 9.
214         (in_unlikely_text_section): Revert my patch from April 9.
215         (named_section): Revert my patch from April 9.
216         (function_section): Revert my patch from April 9.
217         (current_function_section): Revert my patch from April 9.
218         (assemble_start_function): Revert my patch from April 9.
219         (assemble_end_function): Revert my patch from April 9.
220         (default_section_type_flags_1): Revert my patch from April 9.
221         
222 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
223
224         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
225         * config/sparc/sparc.md (untyped_call): Save the registers manually.
226
227         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
228
229 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
230
231         PR middle-end/20917
232         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
233         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
234
235 2004-04-12  Richard Henderson  <rth@redhat.com>
236
237         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
238         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
239         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
240         (UNSPEC_*, UNSPECV_*): Renumber.
241
242 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
243
244         PR mudflap/19266
245         From Richard Henderson <rth@redhat.com>:
246         * tree-mudflap.c (mf_build_check_statement_for): Correct block
247         splitting logic.
248
249 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
250
251         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
252
253 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
254
255         * config/bfin/bfin.c (bfin_library_id_string): Remove.
256         (bfin_library_id): New variable.
257         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
258         instead of bfin_library_id_string.
259         (bfin_handle_option): New function.
260         (override_options): Remove most code to deal with shared library IDs,
261         just check they aren't used without -mid-shared-library.
262         (TARGET_HANDLE_OPTION): Define.
263         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
264         * config/bfin/bfin.opt (mshared-library-id=): New.
265
266 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
267
268         * tree-vect-transform.c: Fix comment typos.
269
270 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
271
272         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
273         split critical edges when not possible/profitable.
274
275 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
276
277         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
278         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
279         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
280         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
281         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
282         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
283         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
284         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
285         MASK_NO_BITFIELD.
286         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
287         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
288         * config/ns32k/ns32k.opt: New file.
289
290 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
291
292         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
293         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
294         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
295         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
296         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
297         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
298         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
299         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
300         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
301         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
302         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
303         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
304         (MASK_COLDFIRE): Formatting fixes.
305         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
306         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
307         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
308         "_current_shared_library_a5_offset_".
309         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
310         (MASK_ALL_CPU_BITS): New macro.
311         (m68k_handle_option): New function.
312         (override_options): Remove handling of m68k_library_id_string.
313         * config/m68k/m68k.opt: New file.
314         * config/m68k/ieee.opt: New file.
315
316 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
317
318         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
319         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
320         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
321         (TARGET_CXX): Adjust accordingly.
322         * target.h (struct gcc_target): Remove epxort_class_data.  Add
323         determine_class_data_visibility and class_data_always_comdat.
324         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
325         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
326         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
327         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
328         (arm_cxx_determine_class_data_visibility): New.
329         (arm_cxx_class_data_always_comdat): Likewise.
330         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
331         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
332         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
333         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
334         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
335         Define.
336
337 2005-04-11  Devang Patel  <dpatel@apple.com>
338
339         * tree-data-ref.c (build_classic_dist_vector,
340         compute_subscript_distance): Make externally visible.
341         * tree-data-ref.h (build_classic_dist_vector,
342         compute_subscript_distance): Same.
343         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
344         Check distance vector against vectorization factor.
345         (vect_analyze_loop): Determine vectorizaion factor before
346         analyzing data dependences.
347         * tree-vectorizer.c (loops_num): Make it externally visible and
348         rename ...
349         * tree-vectorizer.c (vect_loops_num): ... new name.
350         * tree-vectorizer.h  (vect_loops_num): New.
351
352 2005-04-11  Devang Patel  <dpatel@apple.com>
353
354         * tree-vect-analyze.c (vect_analyze_operations): Check
355         vectorizable codition.
356         * tree-vect-transform.c (vect_is_simple_cond): New function.
357         (vectorizable_condition): New function.
358         (vect_transform_stmt): Handle condition_vec_info_type.
359         * tree-vectorizer.h (enum stmt_vec_info_type): Add
360         condition_vec_info_type.
361         (vectorizable_condition): New.
362         
363 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
364
365         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
366         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
367         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
368
369         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
370         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
371
372         * dwarf2out.c (output_line_info): Don't try to dereference
373         a NULL current_function_decl.
374
375         * config/t-slibgcc-darwin: Don't put shared libraries in
376         directories other than $(slibdir).
377         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
378         OS uses for it.
379
380 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
381
382         PR tree-optimization/20933
383         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
384         logic to reject aliases between read-only and writable
385         variables ...
386         (may_alias_p): ... here.
387         (get_tmt_for): Do not associate read-only tags to pointers
388         whose pointed-to type is not read-only.
389         * tree-ssa.c (verify_ssa): Check that memory stores have at
390         least one V_MAY_DEF or V_MUST_DEF.
391
392 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
393
394         PR/17092
395         * configure.ac (gcc_UNLOCKED_FUNCS): New.
396         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
397         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
398         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
399         _unlocked function.
400         (fwrite_unlocked): Fix prototype.
401         
402         * configure, config.in: Regenerate.
403
404 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
405
406         * tree-ssa-loop-im.c: Include real.h.
407         (determine_invariantness_stmt): If real division divisor is
408         invariant and flag_unsafe_math_optimizations enabled, generate
409         invariant reciprocal for hoisting.
410         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
411
412 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
413
414         Fix PR tree-optimization/20926
415         
416         * tree-ssa-alias.c (add_type_alias): Handle subvars.
417         
418 2005-04-11  Devang Patel  <dpatel@apple.com>
419
420         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
421         operand ordering.
422         
423 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
424
425         * fold-const.c (fold_binary_op_with_conditional_arg):
426         use fold_buildN instead of "fold (buildN" in some
427         non obvious places.
428         (fold_unary): Likewise.
429         (fold_binary): Likewise.
430
431 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
432         
433         Fix PR tree-optimization/20612
434         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
435         handling
436         (perfect_nestify): preheaderbb is *not* part of loop of the
437         old destination.
438
439 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
440
441         * tree-ssa-alias.c (may_alias_p): If the variable
442         is a global variable and the pointer is parameter
443         and -fargument-noalias-global is used, then
444         the pointer cannot alias the variable.
445
446 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
447
448         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
449         * config/sparc/sparc.h: Likewise.
450         * config/sparc/sparc.md: Likewise.
451
452 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
453
454         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
455
456         * tree-vrp.c: Fix a comment typo.
457
458 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
459
460         PR tree-optimization/20920
461         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
462         SSA_NAME flows through an abnormal edge.
463         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
464         through abnormal edges.
465         (maybe_add_assert_expr): Likewise.
466
467 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
468
469         * config/s390/s390.h (s390_tune_string, s390_arch_string)
470         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
471         (s390_stack_size_string, s390_stack_guard_string, target_flags)
472         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
473         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
474         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
475         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
476         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
477         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
478         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
479         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
480         (TARGET_HANDLE_OPTION): Likewise.
481         (s390_tune): Initialize to PROCESSOR_max.
482         (s390_arch_string): Make static.
483         (s390_tune_string, s390_warn_framesize_string): Delete.
484         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
485         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
486         (s390_handle_arch_option, s390_handle_option): New functions.
487         (override_options): Remove parsing of option strings.
488         * config/s390/s390.opt: New file.
489
490 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
491
492         * tree-complex.c (expand_vector_operations): Call
493         update_stmt_if_modified.
494
495 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
496
497         * tree-vect-analyze (vect_determine_vectorization_factor):
498         Do not use GET_MODE_NUNITS.
499         * tree-vect-transform.c (vect_get_vec_def_for_operand,
500         (vectorizable_load, vect_transform_loop): Likewise.
501
502 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
503
504         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
505         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
506         * optabs.h (enum optab_index): Add new OTI_lceil.
507         (lceil_optab): Define corresponding macro.
508         * optabs.c (init_optabs): Initialize lceil_optab.
509         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
510         and lceildi2 patterns.
511         * builtins.c (expand_builtin_int_roundingfn): Handle
512         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
513         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
514         BUILT_IN_LLCEIL{,F,L}.
515         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
516         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
517         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
518         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
519         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
520         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
521         into lceil built-in function and (long long int)ceil{,f,l} into
522         llceil built-in function.
523         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
524         BUILT_IN_LLCEIL.
525
526 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
527
528         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
529         zero.
530
531 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
532
533         * config/arm/arm.c: Fix a comment typo.
534         * doc/tree-ssa.texi: Fix a typo.
535
536 2005-04-10  Steven Bosscher  <stevenb@suse.de>
537
538         * cselib.c (clear_table): Rename to cselib_clear_table.
539         * cselib.h (cselib_clear_table): Add prototype.
540         * gcse.c (gcse_main): Make 'f' argument unused.
541         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
542         of each basic block instead.
543         (compute_sets, compute_hash_table_work): Likewise.
544         (constprop_register): Change int 'alter_jumps' argument to bool.
545         (do_local_cprop): Likewise.
546         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
547         the insn chain.  Explicitly clear the cselib tables after finishing
548         one basic block.  Make sure there are no unterminated libcall blocks.
549         Update compute_sets call.
550         (cprop): Walk basic blocks instead of the insn chain.
551         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
552         Likewise.
553         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
554         one_cprop_pass calls.
555
556 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
557
558         * combine.c (combine_simplify_rtx): Remove a transformation that
559         relies on an invalid assumption about rtl sign-extension semantics.
560
561 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
562
563         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
564         to build_int_cst_wide.
565
566 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
567
568         PR target/20126
569         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
570         set the original address pseudo to the correct value before the
571         original insn, if possible, and leave the insn alone, otherwise
572         create a new pseudo, set it and replace it in the insn.
573         * recog.c (validate_change_maybe_volatile): New.
574         * recog.h (validate_change_maybe_volatile): Declare.
575
576 2005-04-09  Caroline Tice  <ctice@apple.com>
577
578         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
579         Remove targetm.have_named_sections test.
580         (fix_edges_for_rarely_executed_code): Likewise.
581         (insert_section_boundary_note): Likewise.
582         (reorder_basic_blocks): Check partitioning flag before calling
583         verify_hot_cold_block_grouping.
584         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
585         the function struct rather than global variables.
586         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
587         (COLD_END_LABEL): Likewise
588         (cold_text_section_label): New static global variable.
589         (cold_end_label): Likewise.
590         (dwarf2out_switch_text_section): Get hot/cold section labels from
591         the function struct rather than global variables.
592         (output_aranges): Use cold_text_section_label and cold_end_label;
593         check partitioning flag before putting out delta.
594         (output_ranges): Remove incorrect code attempting to use
595         hot/cold labels.
596         (output_line_info): Get cold section label from function struct.
597         (add_location_or_const_value_attribute): Likewise.
598         (get_subprogram_die): Get hot/cold section labels from function struct.
599         (dwarf2out_var_location): Likewise.
600         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
601         write out cold_text_section_label if partition flag is set.
602         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
603         * function.h (struct function): Add new fields to point to hot/cold
604         section labels: hot_section_label, cold_section_label,
605         hot_section_end_label and cold_section_end_label; also add new field
606         for cold text section name, unlikely_text_section_name.
607         * opts.c (decode_options): Turn off partitioning flag if
608         !targetm.have_named_sections.
609         * output.h (hot_section_label): Remove.
610         (hot_section_end_label): Remove.
611         (cold_section_end_label): Remove.
612         (unlikely_section_label): Remove.
613         (unlikely_text_section_name): Remove.
614         * passes.c (rest_of_handle_final):  Remove code that frees
615         unlikely_text_section_name.
616         * varasm.c (unlikely_section_label): Remove.
617         (hot_section_label): Remove.
618         (hot_section_end_label): Remove.
619         (cold_section_end_label): Remove.
620         (unlikely_text_section_name):  Remove.
621         (initialize_cold_section_name): Modify to call
622         targetm.strip_name_encoding; to store cold section name in current
623         function struct, if it exists; and to only use the decl_section_name
624         if flag_named_sections is true.
625         (unlikely_text_section): Modify to get section name out of current
626         function struct, if there is one; otherwise build it from
627         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
628         (in_unlikely_text_section): Likewise.
629         (named_section): Modify to get/put cold section name in current function
630         struct, if there is one.
631         (function_section):  Change 'bool unlikely' to 'int reloc'; check
632         targetm.have_named_sections before calling named_section.
633         (current_function_section): Likewise.
634         (assemble_start_function): Modify to get/put unlikely_text_section_name
635         in current function struct; modify to get hot/cold section labels
636         from function struct; initialize labels using 
637         ASM_GENERATE_INTERNAL_LABEL;
638         test partitioning flag before writing out hot section label.
639         (assemble_end_function): Test partitioning flag before writing out
640         hot/cold section labels.
641         (default_section_type_flags_1):  Modify to use array instead of
642          char* for unlikely_text_section_name; set flags correctly for
643          cold text section if there is not a current function decl.
644
645 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
646
647         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
648         and TI_VA_LIST_FPR_COUNTER_FIELD.
649         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
650         * tree-pass.h (pass_stdarg): Add.
651         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
652         * tree-stdarg.c: New file.
653         * tree-stdarg.h: New file.
654         * Makefile.in (OBJS-common): Add tree-stdarg.o.
655         (tree-stdarg.o): Add dependencies.
656         * function.h (struct function): Add va_list_gpr_size and
657         va_list_fpr_size fields.
658         * function.c (allocate_struct_function): Initialize them.
659         * target.h (struct gcc_target): Add stdarg_optimize_hook.
660         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
661         (TARGET_INITIALIZER): Add it.
662
663         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
664         va_list_{g,f}pr_counter_field.
665         (ix86_setup_incoming_varargs): Don't do anything if reg_save
666         area will not be used.  Only save registers that tree-stdarg.c
667         detected they need saving.
668         (ix86_va_start): Don't set up fields that won't be used.
669
670         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
671         va_list_{g,f}pr_counter_field.
672         (setup_incoming_varargs): Don't do anything if reg_save
673         area will not be used.  Only save registers that tree-stdarg.c
674         detected they need saving.
675         (rs6000_va_start): Don't set up fields that won't be used.
676
677         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
678         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
679         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
680         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
681
682 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
683
684         PR target/20795
685         * config/i386/i386.c (construct_container): Pass empty aligned
686         struct, union or class in memory.
687
688 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
689
690         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
691         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
692         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
693         config/rs6000/predicates.md: Fix comment typos.
694
695         * sched-int.h (haifa_insn_data): Remove blockage and units.
696         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
697         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
698         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
699
700 2005-04-09  Jan Hubicka  <jh@suse.cz>
701             Steven Bosscher  <stevenb@suse.de>
702
703         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
704         * cfgloop.c (get_loop_exit_edges): Likewise.
705         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
706         (unloop): Likewise.
707         * loop-unroll.c (analyze_insns_in_loop): Likewise.
708         * tree-cfg.c (dump_cfg_status): Likewise.
709
710 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
711
712         * config/rs6000/predicates.md (altivec_register_operand): Remove
713         redundant match_code test.
714         (gpc_reg_operand): Same.
715         (cc_reg_operand): Same.
716         (cc_reg_not_cr0_operand): Same.
717
718 2005-04-09  Jan Hubicka  <jh@suse.cz>
719
720         Forgotten hunk from my last merge patch:
721         * final.c (output_addr_const): Do not call mark_referenced.
722
723 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
724
725         * doc/tree-ssa.texi: Add immediate use documentation.
726
727 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
728
729         * arm.c (FL_WBUF): Define.
730         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
731         (arm_is_6_or_7): Delete.
732         (arm_tune_wbuf): New.
733         (arm_override_options): Set arm_tune_wbuf.
734         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
735         (arm_is_6_or_7): Delete declaration.
736         (arm_tune_wbuf): New declartion.
737         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
738         (model_wbuf): Derive from arm_tune_wbuf.
739         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
740         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
741         (arm740t): Mark CPUs as having a write buffer.
742
743 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
744
745         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
746         of 'const_double_operand' in operand 2 constraints.  Update enable
747         condition.
748
749 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
750
751         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
752         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
753         * optabs.h (enum optab_index): Add new OTI_lfloor.
754         (lfloor_optab): Define corresponding macro.
755         * optabs.c (init_optabs): Initialize lfloor_optab.
756         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
757         and lfloordi2 patterns.
758         * builtins.c (expand_builtin_int_roundingfn): New prototype.
759         (expand_builtin_int_roundingfn): New function.
760         (fold_builtin_int_roundingfn): New prototype.
761         (fold_builtin_int_roundingfn): New function, renamed from
762         fold_builtin_lround.
763         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
764         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
765         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
766         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
767         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
768         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
769         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
770         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
771         into lfloor built-in function and (long long int)floor{,f,l} into
772         llfloor built-in function.
773         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
774         BUILT_IN_LLFLOOR.
775
776 2005-04-08  Ian Lance Taylor  <ian@airs.com>
777
778         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
779         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
780         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
781         (DO_COND, DO_BODY): Likewise.
782         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
783         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
784         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
785         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
786         (build_continue_stmt, build_break_stmt): Don't declare.
787         (c_do_switch_warnings): Update declaration.
788         * c-gimplify.c (enum bc_t): Remove.
789         (struct c_gimplify_ctx, ctxp): Remove.
790         (push_context, pop_context): Remove static functions.
791         (c_genericize): Don't call push_context or pop_context.
792         (begin_bc_block, finish_bc_block): Remove static functions.
793         (build_bc_goto): Likewise.
794         (gimplify_c_loop): Likewise.
795         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
796         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
797         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
798         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
799         * c-common.c (c_do_switch_warnings): Rename from
800         c_do_switch_warnings_1.
801         (c_do_switch_warnings) [old version]: Remove.
802         (c_do_switch_expr_warnings): Remove.
803         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
804         function instead of c_do_switch_expr_warnings.
805         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
806         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
807         * c-pretty-print.c (pp_c_statement): Likewise.
808         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
809
810 2005-04-08  Devang Patel  <dpatel@apple.com>
811
812         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
813         While selecting replacement condition pay attention to loop header.
814
815 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
816
817         Merge from tree-cleanup-branch: VRP, store CCP, store
818             copy-prop, incremental SSA updating of FUD chains and
819             newly exposed symbols.
820
821         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
822         (OBJS-common): Add tree-vrp.o.
823         (tree-vrp.o): New rule.
824         * basic-block.h (nearest_common_dominator_for_set): Declare.
825         * common.opt (ftree-store-ccp): New flag.
826         (ftree-copy-prop): New flag.
827         (ftree-vrp): New flag.
828         (ftree-store-copy-prop): New flag.
829         * dominance.c (nearest_common_dominator_for_set): New.
830         * domwalk.c (walk_dominator_tree): Only traverse
831         statements in blocks marked in walk_data->interesting_blocks.
832         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
833         * fold-const.c (fold): Handle ASSERT_EXPR.
834         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
835         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
836         flag_tree_vrp at -O2.
837         * timevar.def (TV_TREE_VRP): Define.
838         (TV_TREE_COPY_PROP): Define.
839         (TV_TREE_STORE_COPY_PROP): Define.
840         (TV_TREE_SSA_INCREMENTAL): Define.
841         (TV_TREE_STORE_CCP): Define.
842         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
843         to kill_redundant_phi_nodes from comment.
844         (verify_expr): Handle ASSERT_EXPR.
845         * tree-dfa.c (mark_new_vars_to_rename): Remove second
846         argument.  Update all users.
847         (mark_call_clobbered_vars_to_rename): Remove.  Update all
848         users.
849         * tree-flow-inline.h (unmodifiable_var_p): New.
850         * tree-flow.h (enum value_range_type): Declare.
851         (struct value_range_def): Declare.
852         (value_range): Declare.
853         (remove_all_phi_nodes_for): Remove.  Update all users.
854         (find_phi_node_for): Declare.
855         (add_type_alias): Declare.
856         (count_uses_and_derefs): Declare.
857         (kill_redundant_phi_nodes): Remove.
858         (rewrite_into_ssa): Remove.
859         (rewrite_def_def_chains): Remove.
860         (update_ssa, register_new_name_mapping, create_new_def_for,
861         need_ssa_update_p, name_registered_for_update_p,
862         release_ssa_name_after_update_ssa, dump_repl_tbl,
863         debug_repl_tbl, dump_names_replaced_by,
864         debug_names_replaced_by, mark_sym_for_renaming,
865         mark_set_for_renaming, get_current_def, set_current_def,
866         get_value_range, dump_value_range, debug_value_range,
867         dump_all_value_ranges, debug_all_value_ranges,
868         expr_computes_nonzero, loop_depth_of_name,
869         unmodifiable_var_p): Declare.
870         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
871         ASSERT_EXPR.
872         * tree-into-ssa.c (block_defs_stack): Update comment.
873         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
874         syms_to_rename, names_to_release, repl_tbl,
875         need_to_initialize_update_ssa_p, need_to_update_vops_p,
876         need_to_replace_names_p): New locals.
877         (NAME_SETS_GROWTH_FACTOR): Define.
878         (struct repl_map_d): Declare.
879         (struct mark_def_sites_global_data): Add field
880         interesting_blocks.
881         (enum rewrite_mode): Declare.
882         (REGISTER_DEFS_IN_THIS_STMT): Define.
883         (compute_global_livein): Use last_basic_block instead of
884         n_basic_blocks.
885         (set_def_block): Remove last argument.  Update all callers.
886         (prepare_use_operand_for_rename): Remove.  Update all callers.
887         (prepare_def_operand_for_rename): Remove.  Update all callers.
888         (symbol_marked_for_renaming): New.
889         (is_old_name): New.
890         (is_new_name): New.
891         (repl_map_hash): New.
892         (repl_map_eq): New.
893         (repl_map_free): New.
894         (names_replaced_by): New.
895         (add_to_repl_tbl): New.
896         (add_new_name_mapping): New.
897         (mark_def_sites): Assume that all the operands in the
898         statement are in normal form.
899         (find_idf): Assert that the block in the stack is valid.
900         (get_default_def_for): New.
901         (insert_phi_nodes_for): Add new argument 'update_p'.
902         Add documentation.
903         If update_p is true, add a new mapping between the LHS of
904         each new PHI and the name that it replaces.
905         (insert_phi_nodes_1): Only call find_idf if needed.
906         (get_reaching_def): Call get_default_def_for.
907         (rewrite_operand): Remove.
908         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
909         and REWRITE_THIS_STMT are false.
910         Assume that all the operands in the statement are in
911         normal form.
912         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
913         (rewrite_virtual_phi_arguments): Remove.
914         (invalidate_name_tags): Remove.
915         (register_new_update_single, register_new_update_set,
916         rewrite_update_init_block, replace_use,
917         rewrite_update_fini_block, rewrite_update_stmt,
918         rewrite_update_phi_arguments): New.
919         rewrite_blocks): Remove argument 'fix_virtual_phis'.
920         Add arguments 'entry', 'what' and 'blocks'.
921         Initialize the dominator walker according to 'what' and
922         'blocks'.
923         Start the dominator walk at 'entry'.
924         (mark_def_site_blocks): Add argument 'interesting_blocks'.
925         Use it to configure the dominator walker.
926         (rewrite_into_ssa): Remove argument 'all'.
927         Make internal.
928         (rewrite_all_into_ssa): Remove.
929         (rewrite_def_def_chains): Remove.
930         (mark_def_interesting, mark_use_interesting,
931         prepare_phi_args_for_update, prepare_block_for_update,
932         prepare_def_site_for, prepare_def_sites,
933         dump_names_replaced_by, debug_names_replaced_by,
934         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
935         delete_update_ssa, create_new_def_for,
936         register_new_name_mapping, mark_sym_for_renaming,
937         mark_set_for_renaming, need_ssa_update_p,
938         name_registered_for_update_p, ssa_names_to_replace,
939         release_ssa_name_after_update_ssa,
940         insert_updated_phi_nodes_for, update_ssa): New.
941         * tree-loop-linear.c (linear_transform_loops): Call
942         update_ssa instead of rewrite_into_ssa.
943         * tree-optimize.c (vars_to_rename): Remove.
944         Update all users.
945         (init_tree_optimization_passes): Replace
946         pass_redundant_phi with pass_copy_prop.
947         Add pass_vrp.
948         Replace pass_ccp with pass_store_ccp.
949         Add pass_store_copy_prop after pass_store_ccp.
950         (execute_todo): If the TODO_ flags don't include updating
951         the SSA form, assert that it does not need to be updated.
952         Call update_ssa instead of rewrite_into_ssa and
953         rewrite_def_def_chains.
954         If TODO_verify_loops is set, call verify_loop_closed_ssa.
955         (tree_rest_of_compilation):
956         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
957         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
958         TODO_cleanup_cfg): Renumber.
959         (TODO_verify_loops, TODO_update_ssa,
960         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
961         TODO_update_ssa_only_virtuals): Define.
962         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
963         Declare.
964         * tree-phinodes.c (make_phi_node): Update documentation.
965         (remove_all_phi_nodes_for): Remove.
966         (find_phi_node_for): New.
967         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
968         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
969         (interpret_rhs_modify_expr): Likewise.
970         * tree-sra.c (decide_instantiations): Mark all symbols in
971         SRA_CANDIDATES for renaming.
972         (mark_all_v_defs_1): Rename from mark_all_v_defs.
973         (mark_all_v_defs): New function.  Update all users to call it 
974         with the whole list of scalarized statements, not just the
975         first one.
976         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
977         (compute_flow_insensitive_aliasing): If the tag is
978         unmodifiable and the variable isn't or vice-versa, don't
979         make them alias of each other.
980         (setup_pointers_and_addressables): If the type tag for
981         VAR is about to change, mark the old one for renaming.
982         (add_type_alias): New.
983         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
984         (ccp_lattice_t): Rename from latticevalue.
985         (value): Remove.  Update all users.
986         (const_val): New local variable.
987         (do_store_ccp): New local variable.
988         (dump_lattice_value): Handle UNINITIALIZED.
989         (debug_lattice_value): New.
990         (get_default_value): Re-write.
991         (set_lattice_value): Re-write.
992         (def_to_varying): Remove.  Update all users.
993         (likely_value): Return VARYING for statements that make
994         stores when STORE_CCP is false.
995         Return VARYING for any statement other than MODIFY_EXPR,
996         COND_EXPR and SWITCH_EXPR.
997         (ccp_initialize): Re-write.
998         (replace_uses_in, replace_vuse_in, substitute_and_fold):
999         Move to tree-ssa-propagate.c.
1000         (ccp_lattice_meet): Handle memory stores when
1001         DO_STORE_CCP is true.
1002         (ccp_visit_phi_node): Likewise.
1003         (ccp_fold): Likewise.
1004         (evaluate_stmt): Likewise.
1005         (visit_assignment): Likewise.
1006         (ccp_visit_stmt): Likewise.
1007         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
1008         into DO_STORE_CCP.
1009         (do_ssa_ccp): New.
1010         (pass_ccp): Use it.
1011         (do_ssa_store_ccp): New.
1012         (gate_store_ccp): New.
1013         (pass_store_ccp): Declare.
1014         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
1015         (may_propagate_copy): Reformat.
1016         Don't abort if ORIG is a virtual and DEST isn't.
1017         If NEW does not have alias information but DEST does,
1018         copy it.
1019         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
1020         copy_prop_kind, which_copy_prop): Declare.
1021         (stmt_may_generate_copy, get_copy_of_val,
1022         get_last_copy_of, set_copy_of_val, dump_copy_of,
1023         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
1024         copy_prop_visit_stmt, copy_prop_visit_phi_node,
1025         init_copy_prop, fini_copy_prop, execute_copy_prop,
1026         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
1027         store_copy_prop): New.
1028         (pass_copy_prop, pass_store_copy_prop): Declare.
1029         * tree-ssa-dom.c (struct opt_stats_d): Add fields
1030         'num_const_prop' and 'num_copy_prop'.
1031         (cprop_operand): Update them.
1032         (dump_dominator_optimization_stats): Dump them.
1033         (tree_ssa_dominator_optimize): Call update_ssa instead of
1034         rewrite_into_ssa.
1035         (loop_depth_of_name): Declare extern.
1036         (simplify_cond_and_lookup_avail_expr): Guard against NULL
1037         values for LOW or HIGH.
1038         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
1039         (record_equivalences_from_stmt): Call expr_computes_nonzero.
1040         (cprop_operand): Only propagate if VAL != OP.
1041         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
1042         statement for renaming.
1043         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
1044         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
1045         add_type_alias if necessary.
1046         Call mark_new_vars_to_rename.
1047         (tree_ssa_iv_optimize): If new symbols need to be renamed,
1048         mark every statement updated, call update_ssa and
1049         rewrite_into_loop_closed_ssa.
1050         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
1051         from LIVEIN if VAR is a virtual.
1052         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
1053         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
1054         (get_call_expr_operands): Reformat statement.
1055         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
1056         symbols.
1057         * tree-ssa-propagate.c (ssa_prop_init): Initialize
1058         SSA_NAME_VALUE for every name.
1059         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1060         get_value_loaded_by): New.
1061         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
1062         substitute_and_fold): Move from tree-ssa-ccp.c.
1063         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
1064         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1065         get_value_loaded_by, replace_uses_in, substitute_and_fold):
1066         Declare.
1067         * tree-ssa.c (verify_use): Fix error message.
1068         (propagate_into_addr, replace_immediate_uses, get_eq_name,
1069         check_phi_redundancy, kill_redundant_phi_nodes,
1070         pass_redundant_phi): Remove.  Update all users.
1071         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1072         add_type_alias, if necessary.
1073         * tree-vectorizer.h (struct _stmt_vect_info): Update
1074         documentation for field 'memtag'.
1075         * tree-vrp.c: New file.
1076         * tree.def (ASSERT_EXPR): Define.
1077         * tree.h (ASSERT_EXPR_VAR): Define.
1078         (ASSERT_EXPR_COND): Define.
1079         (SSA_NAME_VALUE_RANGE): Define.
1080         (struct tree_ssa_name): Add field 'value_range'.
1081         (PHI_REWRITTEN): Remove.
1082         (struct tree_phi_node): Remove field 'rewritten'.
1083         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
1084         -ftree-store-copy-prop): Document.
1085         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
1086         Document usage of update_ssa.
1087
1088 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
1089
1090         PR target/20814
1091         * config/rs6000/predicates.md (altivec_register_operand): Accept
1092         SUBREG. 
1093         (and64_operand): Do not limit CONST_INT to mask64_operand.
1094         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
1095         (and_operand): Do not limit CONST_INT to mask_operand.
1096
1097 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
1098
1099         PR rtl-optimization/20466
1100         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
1101         for overlap of the address of each list member.
1102         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
1103
1104 2005-04-08  Mike Stump  <mrs@apple.com>
1105
1106         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
1107         
1108         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
1109         instead of 4.
1110
1111 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1112
1113         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
1114
1115         * function.c (push_function_context_to): Don't set
1116         contains_functions.
1117         * function.h (function): Remove contains_functions.
1118         (current_function_contains_functions): Remove.
1119
1120         * function.h (function): Remove instrument_entry_exit.
1121         (current_function_instrument_entry_exit): Remove.
1122
1123         * function.h (nonlocal_labels): Remove.
1124
1125         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
1126
1127         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
1128         (check_attr_value, write_attr_get, write_expr_attr_cache,
1129         find_attr, make_internal_attr): Don't reference negative_ok or
1130         unsigned_p.
1131         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
1132         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
1133         (ATTR_STATIC): Adjust the value.
1134
1135         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
1136
1137 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
1138
1139         * config/s390/tpf.h (ASM_SPEC): Define.
1140
1141 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1142
1143         * tree-flow.h: Remove the prototype for
1144         redirect_immediate_uses.
1145         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
1146
1147 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
1148
1149         * arm.c (arm_const_double_by_parts): New function.
1150         * arm-protos.h (arm_const_double_by_parts): Add prototype.
1151         * arm.md (define_split for 64-bit constants): Add another one.
1152
1153 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
1154
1155         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
1156
1157 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1158
1159         * system.h: Revert last change.
1160
1161 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
1162
1163         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
1164         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
1165         (TARGET_SWITCHES): Delete.
1166         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1167         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
1168         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
1169         * config/xtensa/xtensa.opt: New file.
1170
1171 2005-04-08  Ben Elliston  <bje@au.ibm.com>
1172
1173         * config/fp-bit.c: Include L_mul_tf in #endif comment.
1174         * config/fp-bit.h: Tidy comments.
1175
1176 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1177
1178         * system.h: Poison PARAMS.
1179
1180 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
1181
1182         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
1183         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
1184         (TARGET_SWITCHES): Delete.
1185         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1186         * config/vax/vax.opt: New file.
1187
1188 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
1189
1190         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
1191
1192 2005-04-07  Ian Lance Taylor  <ian@airs.com>
1193
1194         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
1195         define.
1196         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
1197         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
1198         Likewise.
1199
1200 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
1201
1202         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
1203         all immediate uses in PHI nodes.
1204
1205 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
1206
1207         * arm.c (arm_const_double_inline_cost): Handle any constant by
1208         using gen_lowpart and gen_highpart_mode.
1209         (note_invalid_constants): All constants in an RTX with a constraint
1210         that permits memory are now pushed to the constant pool.
1211         (output_move_double): Delete code to handle reg to reg and 
1212         constant to reg moves.
1213         (const_double_needs_minipool, output_mov_immediate): Delete.
1214         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
1215         CONST_INT and CONST_VECTOR.
1216         * arm.md (ANY64): New mode macro.
1217         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
1218         (movdf_soft_insn): Split reg-reg and const-reg moves.
1219         (split patterns for 64-bit constant and register moves): New.
1220         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
1221         (cirrus_movdf_hard_insn): Likewise.
1222         * fpa.md (movdf_fpa): Likewise.
1223         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
1224         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
1225         constraints.
1226         (movv2si_internal_2): Likewise.
1227         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
1228         (movdf_vfp): Likewise.
1229         * arm-protos.h (output_mov_immediate): Delete prototype.
1230
1231 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
1232
1233         PR target/20093
1234         * simplify-rtx.c (simplify_unary_operation_1): Check
1235         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
1236
1237 2005-04-06  James E Wilson  <wilson@specifixinc.com>
1238
1239         PR target/20717
1240         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
1241         ADDR_EXPR.
1242
1243 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1244
1245         * coverage.h (GCOV_TYPE_NODE): Delete.
1246         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
1247         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
1248         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
1249         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
1250         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
1251
1252 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1253
1254         PR other/20792
1255         * Makefile.in (gcc.pot): Remove options.c dependency.
1256         * optc-gen.awk: Don't quote help strings with N_().
1257
1258 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
1259
1260         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
1261         the function returns a pointer type.
1262
1263 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
1264
1265         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
1266         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
1267         * doc/invoke.texi: Documnet salias-max-implicit-fields.
1268         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
1269         explicit_uses members.
1270         (get_or_create_used_part_for): Initialize new fields.
1271         (fieldoff_compare): New function.
1272         (create_overlap_variables_for): Count number of fields, use
1273         heuristic to determine whether to create subvars for vars with
1274         only implicit uses.
1275         Sort the field list by offset and avoid creating duplicate SFT's.
1276
1277 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1278
1279         * c.opt (-F): Remove trailing whitespace from help string.
1280         (-finput-charset): Use a tab to separate the switch name and help
1281         string.
1282         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
1283         (-ftree-vectorizer-verbose): Likewise.
1284
1285 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1286
1287         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
1288         a PHI argument where a use occurs instead of all PHI arguments.
1289
1290 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
1291
1292         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
1293         scope.
1294
1295 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1296
1297         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
1298         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
1299         config/bfin/bfin.h: Fix comment typos.
1300
1301 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
1302
1303         * doc/install.texi: Update the URL for Jacks.
1304         * doc/sourcebuild.texi: Likewise.
1305
1306 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
1307
1308         PR target/17245
1309         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
1310         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
1311
1312 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1313
1314         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
1315
1316 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1317
1318         * config/v850/v850-protos.h (override_options): Delete.
1319         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
1320         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
1321         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
1322         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
1323         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
1324         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
1325         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
1326         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
1327         (OVERRIDE_OPTIONS): Delete.
1328         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
1329         (small_memory_info): Remove the value field.
1330         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
1331         TARGET_NO_APP_REGS.
1332         * config/v850/v850.c (small_memory): Remove the value field.
1333         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1334         (override_options): Delete.
1335         (v850_handle_memory_option, v850_handle_option): New functions.
1336         * config/v850/v850.opt: New file.
1337
1338 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
1339
1340         * config.host: Add a section for generic hosts, and a subsection
1341         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
1342         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
1343         * config/host-darwin.h: New.
1344         * config/x-darwin: New.
1345         * config/i386/host-i386-darwin.c: New.
1346         * config/i386/x-darwin: New.
1347         * config/rs6000/host-darwin.c: Include host-darwin.h.
1348         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
1349         (darwin_rs6000_gt_pch_use_address): Likewise.
1350         * config/rs6000/x-darwin: Change name of .o built, update
1351         dependencies for changes to rs6000/host-darwin.c.
1352
1353 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1354
1355         PR target/17824
1356         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
1357
1358 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
1359
1360         * tree-vect-analyze.c (vect_analyze_loop_form): Call
1361         split_loop_exit_edge instead of loop_split_edge_with. 
1362
1363 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
1364
1365         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
1366         UNSPEC_SET_VSCR): New constants, used throughout.
1367         (*andc3_v4sf): New.
1368         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
1369         Replace with...
1370         (altivec_vspltis<VI_char>): ... this pattern, using
1371         a QImode const_int_operand for the immediate.
1372         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
1373         define_expands.
1374
1375 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1376
1377         PR target/17822
1378         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
1379
1380 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1381
1382         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
1383
1384 2005-04-06  Ben Elliston  <bje@au.ibm.com>
1385
1386         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
1387         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
1388         macros as living in "this file" and not gcc.h.
1389
1390 2005-04-06  Ben Elliston  <bje@au.ibm.com>
1391
1392         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
1393         -ftree-live_range_split.  Perhaps renamed at some point?
1394
1395 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1396
1397         PR target/20625
1398         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
1399         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
1400
1401 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1402
1403         * tree-flow.h (number_of_iterations_cond): Declaration removed.
1404         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
1405         (number_of_iterations_special): New function.
1406         (number_of_iterations_exit): Use number_of_iterations_special.
1407         Use simplify_using_outer_evolutions only at -O3.
1408         (number_of_iterations_cond, tree_simplify_using_condition,
1409         simplify_using_initial_conditions, loop_niter_by_eval,
1410         compare_trees, can_count_iv_in_wider_type_bound,
1411         simplify_using_outer_evolutions): Use fold_build.
1412
1413 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
1414
1415         * doc/install.texi (Configuration): Document --with-java-home.
1416
1417 2005-04-05  Richard Henderson  <rth@redhat.com>
1418
1419         PR target/20342
1420         PR target/20447
1421         * config/i386/i386.c (print_operand): Handle vector zeros.
1422         (ix86_split_to_parts): Handle CONST_VECTOR.
1423         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
1424         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
1425         what modes to tie for MMX and SSE registers.
1426         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
1427         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
1428         to vector modes as well.
1429         * config/i386/predicates.md (const0_operand): Handle VOIDmode
1430         properly as an input mode.
1431
1432 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1433
1434         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
1435
1436 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1437
1438         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
1439
1440 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
1441
1442         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
1443         and local functions, set sse_nregs to 8 and float_in_sse.
1444         (function_arg_advance, function_arg): If float_in_sse, pass
1445         SFmode and DFmode arguments in SSE registers.
1446         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
1447
1448         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
1449         of -funit-at-a-time.
1450
1451 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
1452
1453         * config/i386/i386-protos.h (ix86_function_value): Accept two
1454         arguments, like the target macro.
1455         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
1456         * config/i386/i386.c (ix86_function_value): Accept the second
1457         argument of the target macro.
1458         (ix86_function_ok_for_sibcall): Pass a function pointer to
1459         ix86_function_value.
1460         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
1461         call to ix86_value_regno).
1462         (ix86_value_regno): Add support for returning floating point values
1463         in SSE registers.
1464
1465 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
1466
1467         PR tree-optimization/20076
1468         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
1469         that call __builtin_return or __builtin_apply_args.
1470
1471 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1472
1473         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
1474         Use immediate use iterator.
1475         (stmt_is_bumper_for_loop): Use immediate use iterator.
1476         * predict.c (strip_builtin_expect): Use update_stmt.
1477         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
1478         on all elements of a STATEMENT_LIST.
1479         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
1480         (bsi_remove): Remove imm_use links and mark the stmt as modified.
1481         (bsi_replace): Mark stmt as modified and the update it.
1482         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
1483         (expand_complex_libcal): Call update_stmt.
1484         (expand_complex_comparison): Call mark_stmt_modified.
1485         (expand_complex_operations_1): Call update_stmt_if_modified.
1486         (expand_vector_operations_1): Call mark_stmt_modified.
1487         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
1488         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
1489         add_immediate_use, redirect_immediate_use,
1490         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
1491         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
1492         (mark_new_vars_to_rename): Call update_stmt.
1493         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
1494         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.  
1495         Ignore PHI nodes.
1496         (unmodify_stmt): Delete.
1497         (update_stmt): New.  Force an update of a stmt.
1498         (update_stmt_if_modified): update a stmt if it is out of date.
1499         (get_stmt_operands): Verify stmt is NOT modified. 
1500         (stmt_modified_p): Update comment.
1501         (delink_imm_use): Remove a use node from its immuse list.
1502         (link_imm_use_to_list): Link a use node to a specific list.
1503         (link_imm_use): Link a node to the correct list.
1504         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
1505         it in the correct list, if appropriate.
1506         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
1507         (relink_imm_use): Link a use node in place of another node in a list.
1508         (relink_imm_use_stmt): LInk a node in place of another node, and set
1509         the stmt pointer.
1510         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
1511         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
1512         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
1513         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
1514         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
1515         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
1516         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
1517         (has_zero_uses): New.  Return true if there are no uses of a var.
1518         (has_single_use): New.  Return true if there is only a single use of a
1519         variable.
1520         (single_imm_use): New.  Return the simgle immediate use.
1521         (num_imm_uses): New.  Return the number of immediate uses.
1522         (get_v_must_def_ops): Use is now a pointer.
1523         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
1524         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of 
1525         the use node.
1526         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
1527         (delink_stmt_imm_use): Delink all immuses from a stmt.
1528         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
1529         * tree-flow.h (struct dataflow_d): Delete.
1530         (immediate_use_iterator_d): New.  Immediate use iterator struct.
1531         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
1532         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
1533         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe 
1534         iteration.
1535         (struct stmt_ann_d): Remove dataflow_t from struct.
1536         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
1537         (if_convertible_phi_p): Use FAST immuse iterator.
1538         (if_convertible_loop_p): Don't call compute_immediate_uses.
1539         (replace_phi_with_cond_modify_expr): Call update_stmt.
1540         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call 
1541         update_stmt_if_modified.
1542         (rewrite_all_into_ssa): Initialize ssa operands.
1543         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
1544         compute_immediate_uses.
1545         * tree-optimize.c (execute_todo): Call verify_ssa whenever the 
1546         ssa_property is available.
1547         (execute_one_pass):  Change parameters passed to execute_todo.
1548         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
1549         (remove_ssa_form): Call fini_ssa_operands.
1550         (insert_backedge_copies): Delete call to modify_stmt.
1551         * tree-phinodes.c (make_phi_node): Initialize use nodes.
1552         (release_phi_node): Delink any use nodes before releasing.
1553         (resize_phi_node): Relink any use nodes.
1554         (remove_phi_arg_num): Delink the use node.
1555         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
1556         (remove_all_phi_nodes_for): Release phi node first.
1557         * tree-pretty-print.c (dump_generic_node): Print stmt address.
1558         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
1559         (scalarize_use, scalarize_copy): Call update_stmt.
1560         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
1561         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
1562         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
1563         (ccp_initialize): Remove call to compute_immediate_uses.
1564         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
1565         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified 
1566         stmts.
1567         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
1568         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
1569         (eliminate_redundant_computations): Call mark_stmt_modified.
1570         (cprop_operand): Call mark_stmt_modified.
1571         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
1572         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
1573         (dse_optimize_stmt): Use new immuse interface.
1574         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
1575         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
1576         (substitute_single_use_vars): Use new immuse interface.
1577         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
1578         and compute_immediate_uses.
1579         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse 
1580         interface.
1581         (rewrite_mem_refs): Call update_stmt.
1582         (determine_lsm): Remove call to compute_imm_uses and free_df.
1583         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
1584         (try_unroll_loop_completely): Call update_stmt.
1585         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
1586         (rewrite_use_compare): Call update_stmt.
1587         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
1588         (rewrite_use) : Call update_stmt.
1589         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
1590         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call 
1591         update_stmt.
1592         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
1593         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
1594         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
1595         use nodes.
1596         (initialize_vuse_operand): New.  Initialize a vuse operand.
1597         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
1598         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
1599         (finalize_ssa_defs): Use stmt parameter.
1600         (correct_use_link): Ensure a use node is in the correct list, and has
1601         the correct stmt pointer.
1602         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
1603         finalize_ssa_v_must_defs): Also initialize use nodes.
1604         (finalize_ssa_stmt_operands): Pass extra stmt operands.
1605         (build_ssa_operands): Seperate parsing from final operand construction.
1606         (parse_ssa_operands): New.  Parse entry point for operand building.
1607         (swap_tree_operands): New.  Swap 2 tree operands.
1608         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
1609         operands.
1610         (get_expr_operands): Call swap_tree_operands when needed.
1611         (copy_virtual_operands): Use initialize routines for virtual use ops.
1612         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
1613         (verify_abort): New.  Issue imm_use error.
1614         (verify_imm_links): New Verify imm_use links for a var.
1615         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
1616         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
1617         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
1618         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
1619         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
1620         (NULL_USE_OPERAND_P) Define.
1621         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
1622         use node.
1623         (struct vuse_operand_type): New struct.
1624         (SET_USE): Call set_ssa_use_from_ptr.
1625         (USE_STMT): Define.
1626         (PHI_ARG_INDEX_FROM_USE): Define.
1627         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi 
1628         argument via SET_USE, not PHI_ARG_DEF_TREE.
1629         * tree-ssa-pre.c (eliminate): Call update_stmt.
1630         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
1631         call free_df.
1632         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
1633         (nearest_common_dominator_of_uses): Use imm_use iterator.
1634         (statement_sink_location): Use imm_use iterator and interface.
1635         (execute_sink_code): Don't call compute_immediate_uses or free-df.
1636         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
1637         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
1638         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
1639         (verify_ssa): Ensure no stmt is marked modify after optimization pass
1640         if new parameter is true.
1641         (init_tree_ssa): Don't initialize operand cache here.
1642         (delete_tree_ssa): Don't destroy operand cache here.
1643         (propagate_into_addr): Pass in a use pointer, return true if anything
1644         was changed.
1645         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
1646         (check_phi_redundancy): Use imm_use iterator.
1647         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or 
1648         free_df.
1649         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
1650         (release_ssa_name): Delink node and all elements in its imm_use list.
1651         * tree-tailcall.c (adjust_return_value): Call update_stmt.
1652         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
1653         * tree-vectorizer.c (need_imm_uses_for): Delete.
1654         (vectorize_loops): Dont call compute_immediate_uses or free_df.
1655         * tree.h (struct ssa_imm_use_d): Define.
1656         (SSA_NAME_IMM_USE_NODE): Define.
1657         (struct tree_ssa_name): Add imm_use node.
1658         (PHI_DF): Delete.
1659         (PHI_ARG_IMM_USE_NODE): Define.
1660         (struct phi_arg_d): Add imm_use node.
1661         (struct tree_phi_node): Remove struct dataflow_d element.
1662         (TDF_STMTADDR): Define.
1663
1664 2005-04-05  Dale Johannesen  <dalej@apple.com>
1665
1666         * doc/invoke.texi (Optimization Options):  Remove
1667         duplicate -fcse-follow-jumps.  Add -fweb.
1668         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
1669         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
1670
1671 2005-04-05  Per Bothner  <per@bothner.com>
1672
1673         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
1674         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
1675         (warn_uninit): Get EXPR_LOCUS from context now instead.
1676         This fixes a USE_MAPPED_LOCATION testsuite failure.
1677
1678         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
1679
1680 2005-04-05  Per Bothner  <per@bothner.com>
1681
1682         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
1683         of the artification 'return 0' in main() to BUILTINS_LOCATION.
1684         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
1685         before warning. 
1686
1687 2004-04-05  Devang Patel  <dpatel@apple.com>
1688
1689         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
1690         (lhsr<mode>3): ... new name.
1691         (altivec_vsra<VI_char>): Rename to ..
1692         (ashr<mode>3): ... new name.
1693         * config/rs6000/rs6000.c (builtin_description): Rename shift
1694         operations.
1695         
1696 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
1697
1698         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
1699         gen_lowpart_for_combine.
1700         * cse.c (gen_lowpart_if_possible): Move...
1701         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
1702         gen_lowpart_SUBREG.
1703         (gen_lowpart_no_emit_general): Use it.
1704
1705 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1706
1707         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
1708         overriding.
1709
1710 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
1711
1712         * system.h: Fix typo.
1713
1714 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1715
1716         * config/bfin/bfin-modes.def: New file.
1717         * config/bfin/bfin-protos.h: New file.
1718         * config/bfin/bfin.c: New file.
1719         * config/bfin/bfin.h: New file.
1720         * config/bfin/bfin.md: New file.
1721         * config/bfin/bfin.opt: New file.
1722         * config/bfin/crti.s: New file.
1723         * config/bfin/crtn.s: New file.
1724         * config/bfin/elf.h: New file.
1725         * config/bfin/lib1funcs.asm: New file.
1726         * config/bfin/predicates.md: New file.
1727         * config/bfin/t-bfin: New file.
1728         * config/bfin/t-bfin-elf: New file.
1729         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
1730         Document new attributes.
1731         (interrupt, interrupt_handler, saveall): Update documentation for
1732         these attributes.
1733         * doc/install.texi (Specific): Add entry for the Blackfin.
1734         * doc/invoke.texi (Blackfin Options): New section.
1735         * doc/md.texi (Blackfin family): New section to document constraints.
1736         * config.gcc: Add bfin*-* and bfin*-elf configurations.
1737
1738 2005-04-05  Olivier Hainque  <hainque@adacore.com>
1739         
1740         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
1741         match what the system unwinder expects.
1742         * config/mips/mips.c (mips_frame_set): If we're saving the return
1743         address register and the dwarf return address column number differs
1744         from the hard register number, adjust the note reg to refer to the
1745         former.
1746
1747 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
1748
1749         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
1750         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
1751         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
1752         (processor_type): New enum.
1753         (mn10300_processor): New variable.
1754         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
1755         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
1756         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
1757         (PROCESSOR_DEFAULT): New macro.
1758         * config/mn10300/mn10300.c (mn10300_processor): New variable.
1759         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1760         (mn10300_handle_option, mn10300_override_options): New functions.
1761         * config/mn10300/mn10300.opt: New file.
1762
1763 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1764             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
1765
1766         PR tree-optimization/19903
1767         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
1768         that don't fit in their type after conversion.
1769
1770 2005-04-05  Uros Bizjak <uros@kss-loka.si>
1771
1772         PR target/20421
1773         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
1774         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
1775         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
1776         flag here. Implement using define_insn_and_split.  
1777         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
1778         (frndintxf2_mask_pm_i387): New insn patterns.
1779         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
1780         Do not set ix86_optimize_mode_switching flag.
1781         (ceilsf2, ceildf2, ceilxf2): Same.
1782         (btruncsf2, btruncdf2, btruncxf2): Same.
1783         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
1784
1785 2005-04-05  Ian Lance Taylor  <ian@airs.com>
1786
1787         PR debug/9963
1788         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
1789         i386_pe_record_external_function.
1790         (i386_pe_record_external_function): Update declaration.
1791         * config/i386/winnt.c (struct extern_list): Add decl field.
1792         (i386_pe_record_external_function): Add decl parameter.
1793         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
1794         identifier.
1795         * config/i386/i386-protos.h (i386_pe_record_external_function):
1796         Update declaration.
1797
1798 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
1799
1800         * config/m68k/m68k-protos.h: Add a prototype for
1801         valid_dbcc_comparison_p_2.
1802         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
1803         extend_operator, const_uint32_operand, const_sint32_operand,
1804         general_src_operand, nonimmediate_src_operand,
1805         memory_src_operand, post_inc_operand, pre_dec_operand,
1806         pcrel_address): Move to predicates to predicates.md.
1807         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
1808         * config/m68k/m68k.md: Include predicates.md.
1809         * config/m68k/predicates.md: New.
1810
1811 2005-04-04  Roger Sayle  <roger@eyesopen.com>
1812
1813         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
1814
1815         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
1816
1817 2005-04-04  Ian Lance Taylor  <ian@airs.com>
1818
1819         * c-typeck.c (struct c_switch): Rename switch_stmt field to
1820         switch_expr.
1821         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
1822         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
1823         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
1824         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
1825         * c-common.c (c_do_switch_warnings_1): New static function broken
1826         out of c_do_switch_warnings.
1827         (c_do_switch_warnings): Call c_do_switch_warnings_1.
1828         (c_do_switch_expr_warnings): New function.
1829         * c-common.h (c_do_switch_expr_warnings): Declare.
1830
1831 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
1832             Daniel Jacobowitz  <dan@codesourcery.com>
1833
1834         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
1835         trapping divide.
1836         * rtlanal.c (may_trap_p): Same.
1837
1838 2005-04-04  Dale Johannesen  <dalej@apple.com>
1839
1840         * ChangeLog:  remove reference to ChangeLog.12.
1841
1842 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
1843
1844         CRIS epilogue as RTL.
1845         * config/cris/cris.md: Change all 0 in unspec 0 to
1846         CRIS_UNSPEC_PLT.
1847         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
1848         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
1849         patterns.
1850         ("return"): Change to define_expand.  Call cris_expand_return for
1851         actual expansion.
1852         ("*return_expanded"): New pattern.
1853         ("epilogue"): New define_expand.
1854         * config/cris/cris.h (PREDICATE_CODES): Add
1855         cris_load_multiple_op.
1856         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
1857         type.
1858         (enum cris_retinsn_type): New.
1859         (struct machine_function): New member return_type.
1860         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
1861         (cris_target_asm_function_epilogue): Remove, moving RTLified
1862         contents to...
1863         (cris_expand_epilogue): New function.
1864         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
1865         (cris_gen_movem_load, cris_load_multiple_op)
1866         (cris_return_address_on_stack_for_return, cris_expand_return): New
1867         functions.
1868         (cris_target_asm_function_prologue)
1869         (cris_initial_frame_pointer_offset): Call
1870         cris_reg_saved_in_regsave_area instead of complicated expression.
1871         Call cris_return_address_on_stack instead of an expression.
1872         (cris_print_operand) <case 'o', case 'O'>: New cases.
1873         (cris_return_address_on_stack): Change return-type to bool.
1874         (cris_simple_epilogue): Ditto.  Return false if registers are
1875         saved.
1876         * config/cris/cris-protos.h (cris_simple_epilogue)
1877         (cris_return_address_on_stack): Adjust prototype return type.
1878         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
1879         (cris_return_address_on_stack_for_return): New prototypes.
1880
1881 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
1882
1883         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
1884         gpr_or_int12_operand.
1885
1886         * config/frv/frv-protos.h: Add a prototype to
1887         frv_legitimate_memory_operand and frv_const_unspec_p.
1888         (frv_unspec): Move from frv.c.
1889         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
1890         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
1891         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
1892         gpr_or_fpr_operand, gpr_or_int12_operand,
1893         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
1894         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
1895         int6_operand, int5_operand, uint5_operand, uint4_operand,
1896         uint1_operand, int_2word_operand, uint16_operand,
1897         upper_int16_operand, integer_register_operand,
1898         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
1899         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
1900         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
1901         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
1902         move_destination_operand, movcc_fp_destination_operand,
1903         frv_function_symbol_referenced_p, move_source_operand,
1904         condexec_dest_operand, condexec_source_operand,
1905         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
1906         const_unspec_operand, gpr_or_memory_operand,
1907         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
1908         icc_operand, fcc_operand, cc_operand, icr_operand,
1909         fcr_operand, cr_operand, call_operand, sibcall_operand,
1910         symbolic_operand, relational_operator,
1911         integer_relational_operator, float_relational_operator,
1912         ccr_eqne_operator, minmax_operator,
1913         condexec_si_binary_operator, condexec_si_media_operator,
1914         condexec_si_divide_operator, condexec_si_unary_operator,
1915         condexec_sf_conv_operator, condexec_sf_add_operator,
1916         condexec_memory_operand, intop_compare_operator, acc_operand,
1917         even_acc_operand, quad_acc_operand, accg_operand: Move to
1918         predicates.md.
1919         * config/frv/frv.h (PREDICATE_CODES): Remove.
1920         * config/frv/frv.md: Include predicates.md.
1921         * config/frv/predicates.md: New.
1922
1923 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
1924
1925         PR target/19537
1926         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
1927         * tree-ssa-loop-ivopts.c: Include langhooks.h.
1928         (add_standard_iv_candidates_for_size): New function, extracting code
1929         from add_standard_iv_candidates and parameterizing it by type size.
1930         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
1931
1932 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
1933
1934         * system.h (GCOV_SIZE_TYPE): Unposion.
1935         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
1936         (GCOV_TYPE_SIZE): ...this new macro.
1937         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
1938         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
1939         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
1940         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
1941         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
1942         instead of unsigned_intSI_type_node.
1943         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
1944         (rtl_gen_one_value_profiler_no_edge_manipulation)
1945         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
1946         * value-prof.c: Include coverage.h.
1947
1948 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
1949             Diego Novillo <dnovillo@redhat.com>
1950             
1951         Fix PR tree-optimization/20703
1952         Fix PR tree-optimization/20725
1953         
1954         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
1955         (create_expression_by_pieces): Ditto.
1956         (valid_in_set): Ditto. Also handle tcc_declaration.
1957         (find_or_generate_expression): Handle comparison class.
1958         (insert_into_preds_of_block): Ditto.
1959         (insert_aux): Ditto.
1960         (create_value_expr_from): Handle comparison class, recursively
1961         handle reference nodes.
1962         (compute_avail): Handle comparison classes, rewrite a little cleaner.
1963         (execute_pre): Fix spacing.
1964         (do_fre): Renamed to execute_fre.
1965
1966 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
1967
1968         * doc/invoke.texi (SPARC options): Document that
1969         -mlittle-endian is not supported on Linux either.
1970
1971 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
1972
1973         PR target/4198
1974         PR target/12027
1975         * config.gcc (Obsolete configurations): Remove
1976         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
1977         (sparclite-*-coff*): Delete.
1978         (sparclite-*-elf*): Likewise.
1979         (sparc86x-*-elf*): Likewise.
1980         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
1981         * config/sparc/lite.h: Delete.
1982         * config/sparc/litecoff.h: Likewise.
1983         * config/sparc/liteelf.h: Likewise.
1984         * config/sparc/sp86x-elf.h: Likewise.
1985         * config/sparc/t-sparclite: Likewise.
1986         * config/sparc/t-sp86x: Likewise.
1987
1988 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
1989
1990         * config/s390/s390-protos.h: (s390_comparison,
1991         s390_alc_comparison, s390_slb_comparison, const0_operand,
1992         consttable_operand, larl_operand, s_operand,
1993         shift_count_operand, bras_sym_operand, load_multiple_operation,
1994         store_multiple_operation, s390_plus_operand): Remove prototypes.
1995         (s390_legitimate_address_without_index_p): New prototype.
1996         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
1997         to s390.h.
1998         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
1999         const0_operand, consttable_operand, larl_operand, s_operand,
2000         shift_count_operand, bras_sym_operand, load_multiple_operation,
2001         store_multiple_operation, s390_plus_operand): Move to
2002         predicates.md.
2003         (check_mode): Remove.
2004         (s390_branch_condition_mask): Remove 'static'. Move prototype to
2005         s390-protos.h.
2006         (s390_legitimate_address_without_index_p): New.
2007         * config/s390/s390.h (PREDICATE_CODES): Remove.
2008         * config/s390/s390.md: Include predicates.md.
2009         * config/s390/predicates.md: New.
2010
2011 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2012
2013         PR target/20446
2014         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
2015         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
2016         (NEED_INDICATE_EXEC_STACK): Define to 1.
2017         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
2018         (NEED_INDICATE_EXEC_STACK): Define to 1.
2019         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
2020         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
2021         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
2022         (pic_helper_emitted_p): New global.
2023         (emit_pic_helper): New function extracted from...
2024         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
2025         Do not call emit_pic_helper if delay_pic_helper is true.
2026         (sparc_expand_prologue): Pass 'false' to load_pic_register.
2027         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
2028         (sparc_file_end): New function.
2029
2030 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2031
2032         * config/mcore/mcore-protos.h: Remove the prototypes for
2033         mcore_arith_reg_operand, mcore_general_movsrc_operand,
2034         mcore_general_movdst_operand, mcore_reload_operand,
2035         mcore_arith_J_operand, mcore_arith_K_operand,
2036         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
2037         mcore_arith_K_S_operand, mcore_arith_imm_operand,
2038         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2039         mcore_literal_K_operand, mcore_addsub_operand,
2040         mcore_compare_operand, mcore_load_multiple_operation,
2041         mcore_store_multiple_operation, mcore_call_address_operand.
2042         Add a prototype for const_ok_for_mcore.
2043         * config/mcore/mcore.c (mcore_call_address_operand,
2044         mcore_general_movsrc_operand, mcore_general_movdst_operand,
2045         mcore_arith_reg_operand, mcore_reload_operand,
2046         mcore_arith_J_operand, mcore_arith_K_operand,
2047         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
2048         mcore_arith_M_operand, mcore_arith_imm_operand,
2049         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2050         mcore_literal_K_operand, mcore_addsub_operand,
2051         mcore_compare_operand, mcore_load_multiple_operation,
2052         mcore_store_multiple_operation): Move to predicates.md.
2053         (const_ok_for_mcore): Export.
2054         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
2055         * config/mcore/mcore.md: Include predicates.md.
2056         * config/mcore/predicates.md: New.
2057
2058         * config/mcore/predicates.md: Fix a comment typo.
2059
2060 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2061             Adrian Straetling  <straetling@de.ibm.com>
2062
2063         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
2064         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
2065         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
2066         attribute.
2067         ("imul"): Removed from "type" attribute.
2068         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
2069         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"): 
2070         Changed type to imulsi.
2071         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
2072
2073 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2074
2075         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
2076         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
2077         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
2078         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
2079         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
2080         (TARGET_SWITCHES, mcore_stack_increment_string)
2081         (TARGET_OPTIONS): Delete.
2082         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
2083         than *_BIT constants.
2084         (TARGET_8ALIGN): #undef old definition before redefining to 1.
2085         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
2086         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
2087         (mcore_override_options): Delete mcore_stack_increment code.
2088         Change use of M340_BIT to MASK_M340.
2089         * config/mcore/mcore.opt: New file.
2090
2091 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2092
2093         * config/arm/arm.c (replace_symbols_in_block): Remove static
2094         function.
2095
2096 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2097
2098         * config/fr30/fr30-protos.h: Remove the prototypes for
2099         stack_add_operand, add_immediate_operand,
2100         high_register_operand, low_register_operand, call_operand,
2101         di_operand, and nonimmediate_di_operand.
2102         * config/fr30/fr30.c (stack_add_operand,
2103         add_immediate_operand, high_register_operand,
2104         low_register_operand, call_operand, di_operand,
2105         nonimmediate_di_operand): Move to predicates.md.
2106         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
2107         * config/fr30/fr30.md: Include predicates.md.
2108         * config/fr30/predicates.md: New.
2109
2110         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
2111         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
2112         mcore_call_address_operand.
2113
2114         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
2115         general_movsrc_operand.
2116
2117 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
2118
2119         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
2120         after freeing.
2121
2122 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
2123
2124         PR target/14812
2125         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
2126         a negated value.
2127
2128 2005-04-04  Richard Henderson  <rth@redhat.com>
2129             Jakub Jelinek  <jakub@redhat.com>
2130
2131         PR rtl-optimization/16104
2132         * fold-const.c (fold_unary): Fix folding of vector conversions.
2133
2134 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2135
2136         * config.gcc (xstormy16-*-elf): Set extra_options.
2137         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
2138         * config/stormy16/stormy16.opt: New file.
2139
2140 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2141
2142         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
2143         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
2144         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
2145         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
2146         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
2147         (TARGET_UNIX_ASM): Delete.
2148         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
2149         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
2150         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
2151         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2152         * config/pdp11/pdp11.opt: New file.
2153
2154 2005-04-03  Roger Sayle  <roger@eyesopen.com>
2155             Alexandre Oliva  <aoliva@redhat.com>
2156
2157         PR c++/19199
2158         * fold-const.c (non_lvalue): Split tests into...
2159         (maybe_lvalue_p): New function.
2160         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
2161         C++ front-end prior to lowering into gimple form.
2162
2163 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2164
2165         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
2166         BUILT_IN_STRNCASECMP): New.
2167         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
2168         and strndup.
2169
2170 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
2171
2172         PR target/14812
2173         * arm.md (addsi3_compare0_for_combiner): Delete.
2174         (addsi3_compare0_scratch_for_combiner): Delete.
2175         (cmpsi_neg_shiftsi): Delete.
2176         (compare_negsi_si): New pattern.
2177         (cmpsi_negshiftsi_si): New pattern.
2178         (negated_cbranchsi4): Restrict to equality_operator.
2179         
2180         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
2181         template.
2182
2183 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2184
2185         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
2186         Fix comment typos.
2187
2188         * doc/install.texi: Fix a typo.
2189
2190 2005-04-03  Steven Bosscher  <stevenb@suse.de>
2191
2192         PR middle-end/20648
2193         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
2194         a computed goto if the edge to the computed goto block has
2195         incoming abnormal edges.  Clarify how the function works.
2196
2197 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
2198
2199         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
2200         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
2201         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
2202         hash_scan_set, reg_set_between_after_reload_p,
2203         reg_used_between_after_reload_p, get_avail_load_store_reg,
2204         eliminate_partially_redundant_load): Likewise.
2205         * postreload.c (reload_cse_simplify_set,
2206         reload_combine_note_use): Likewise.
2207         * predict.c (predict_insn, expected_value_to_br_prob,
2208         propagate_freq, expensive_function_p): Likewise.
2209         * print-rtl.c (print_rtx): Likewise.
2210         * profile.c (instrument_edges, instrument_values,
2211         compute_branch_probabilities, branch_prob, union_groups,
2212         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
2213         * protoize.c (in_system_include_dir, file_could_be_converted,
2214         file_normally_convertible, gen_aux_info_file, seek_to_line,
2215         do_cleaning): Likewise.
2216         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
2217         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
2218         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
2219
2220 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2221
2222         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
2223         * modulo-sched.c (undo_replace_buff_elem): New structure.
2224         (kernel_number_of_cycles, ps_unschedule_node,
2225         undo_generate_reg_moves,free_undo_replace_buff,
2226         undo_permute_partial_schedule,  loop_single_full_bb_p,
2227         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
2228         build_loops_structure, get_sched_window): New.
2229         (generate_reg_moves): Return undo_replace_buff_elem and other
2230         fixes.
2231         (generate_prolog_epilog): Remove old loop versioning.
2232         (sms_schedule): Use loop information and loop_version.
2233         (sms_schedule_by_order): Split part of it to get_sched_window.
2234         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
2235         cfg_layout_finalize and free_dominance_info before/after SMS.
2236
2237 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2238
2239         * cfghooks.c (lv_flush_pending_stmts,
2240         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
2241         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
2242         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
2243         lv_add_condition_to_bb,
2244         lv_adjust_loop_header_phi, extract_cond_bb_edges,
2245         flush_pending_stmts): New in cfg_hooks structure.
2246         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
2247         extract_cond_bb_edges, lv_adjust_loop_header_phi,
2248         lv_add_condition_to_bb): New declarations.
2249         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
2250         bool.
2251         (loop_version): Declare.
2252         * cfgloopmanip.c (cfghooks.h): Include.
2253         (duplicate_loop_to_header_edge): Change return type to bool.
2254         (loop_version, lv_adjust_loop_entry_edge): Move here.
2255         * cfgrtl.c (cfgloop.h): Include.
2256         (rtl_verify_flow_info_1): Fix.
2257         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
2258         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
2259         initialization.
2260         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
2261         tree_lv_add_condition_to_bb): New.
2262         (tree_cfg_hooks): Add new hooks to initialization.
2263         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
2264         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
2265
2266 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2267
2268         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
2269         xstormy16_below100_or_register,
2270         xstormy16_splittable_below100_or_register, and
2271         nonimmediate_nonstack_operand.
2272
2273         * config/stormy16/stormy16-protos.h: Remove the prototypes for
2274         xstormy16_ineqsi_operator, equality_operator,
2275         inequality_operator, shift_operator,
2276         xstormy16_below100_operand, xstormy16_below100_or_register,
2277         xstormy16_splittable_below100_or_register,
2278         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
2279         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
2280         equality_operator, inequality_operator,
2281         xstormy16_below100_operand, xstormy16_below100_or_register,
2282         xstormy16_splittable_below100_or_register,
2283         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
2284         nonimmediate_nonstack_operand, shift_operator): Move to
2285         predicates.md.
2286         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
2287         * config/stormy16/stormy16.md: Include predicates.md.
2288         * config/stormy16/predicates.md: New.
2289
2290 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2291
2292         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
2293         small_int, large_int, reg_or_0_operand, simple_memory_operand,
2294         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
2295         move_operand, power_of_2_operand): Move to predicates.md.
2296         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
2297         PREDICATE_CODE): Remove.
2298         * config/iq2000/iq2000.md: Include predicates.md.
2299         * config/iq2000/predicates.md: New.
2300
2301 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
2302
2303         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
2304         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
2305         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
2306         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
2307         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
2308         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
2309         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
2310         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2311         (TARGET_M68HC11): Delete.
2312         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
2313         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
2314         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
2315         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2316         (nb_soft_regs): Delete.
2317         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
2318         (m68hc11_override_options): Remove the code that caters for MASK_M6811
2319         and MASK_M6812 being set simultaneously.  Change the code that sets
2320         the default m68hc11_soft_reg_count to use integers instead of strings.
2321         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
2322         m68hc11_soft_reg_count (which now has an int type) as the number
2323         of soft registers.
2324         * config/m68hc11/m68hc11.opt: New file.
2325
2326 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2327
2328         * config/fr30/fr30.h (PREDICATE_CODES): Remove
2329         fp_displacement_operand, sp_displacement_operand.
2330
2331         * config/m68hc11/m68hc11-protos.h: Add a prototype for
2332         m68hcc_auto_inc_p.
2333         Remove the prototypes for tst_operand, cmp_operand,
2334         stack_register_operand, d_register_operand,
2335         hard_addr_reg_operand, splitable_operand,
2336         m68hc11_logical_operator, m68hc11_arith_operator,
2337         m68hc11_non_shift_operator, m68hc11_shift_operator,
2338         m68hc11_unary_operator, m68hc11_eq_compare_operator,
2339         non_push_operand, hard_reg_operand, and
2340         reg_or_some_mem_operand.
2341         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
2342         extern.
2343         (tst_operand, cmp_operand, non_push_operand,
2344         splitable_operand, reg_or_some_mem_operand,
2345         stack_register_operand, d_register_operand,
2346         hard_addr_reg_operand, hard_reg_operand,
2347         m68hc11_eq_compare_operator, m68hc11_logical_operator,
2348         m68hc11_arith_operator, m68hc11_non_shift_operator,
2349         m68hc11_shift_operator, m68hc11_unary_operator): Move to
2350         predicates.md.
2351         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
2352         * config/m68hc11/m68hc11.md: Include predicates.md.
2353         * config/m68hc11/predicates.md: New.
2354
2355 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2356
2357         PR debug/19345
2358         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
2359         change checked in along with 2005-03-03's patch for debug/20253.
2360         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
2361         (remap_decl): Insert type decl in map earlier.
2362
2363 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2364
2365         PR tree-optimization/20640
2366         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
2367         post-dominator if it has phi nodes.
2368         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
2369         before dead statements.
2370
2371 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2372
2373         PR middle-end/20491
2374         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
2375
2376 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2377
2378         PR rtl-optimization/20290
2379         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
2380         in every iteration if the entry point is the exit test.
2381
2382 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
2383
2384         * config/cris/cris.md (attribute "length"): Define.
2385
2386 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
2387
2388         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
2389         (word_offset_memref_operand): New.
2390         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
2391         (indexed_or_indirect_operand): Delete.
2392         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
2393         (indexed_or_indirect_operand): Delete.
2394
2395         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
2396
2397         PR 20650
2398         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
2399         a register.
2400
2401         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
2402         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
2403
2404 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
2405
2406         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
2407
2408 2005-04-01  Ian Lance Taylor  <ian@airs.com>
2409
2410         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
2411         (rus, prus): Remove static variables.
2412         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
2413         (process_command): Permit report_times and use_pipes together.
2414
2415 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
2416
2417         * c-decl.c (validate_proto_after_old_defn): Look at
2418         TYPE_MAIN_VARIANT of argument types.
2419
2420 2005-04-01  Paul Brook  <paul@codesourcery.com>
2421
2422         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
2423         (arm_output_function_epilogue): Allow call_via_SP.
2424         (thumb_call_via_reg, arm_file_end): Ditto.
2425         * config/arm/arm.h (struct machine_function): Include space for SP.
2426         (thumb_call_via_label): Update declaration.
2427
2428 2005-04-01  Ian Lance Taylor  <ian@airs.com>
2429
2430         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
2431         doing a peephole optimization, once again put any notes in the
2432         proper position.
2433
2434 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2435
2436         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
2437
2438 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
2439
2440         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
2441         (block_alloc, find_free_reg): Likewise.
2442         * loop-doloop.c (doloop_modify): Likewise.
2443         * loop-invariant.c (record_use): Likewise.
2444         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
2445         get_iv_value, canon_condition, eliminate_implied_condition,
2446         eliminate_implied_condition, simplify_using_initial_values,
2447         shorten_into_mode, canonicalize_iv_subregs,
2448         iv_number_of_iterations): Likewise.
2449         * loop-unroll.c (expand_var_during_unrolling): Likewise.
2450         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
2451         unswitch_loop): Likewise.
2452         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
2453         move_movables, replace_call_address, find_and_verify_loops,
2454         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
2455         record_giv, final_giv_value, general_induction_var,
2456         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
2457         loop_giv_dump): Likewise.
2458
2459         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
2460         GCOV_CHECK_WRITING): Remove.
2461         (gcov_position, gcov_rewrite): Use gcc_assert.
2462         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
2463         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
2464         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
2465         gcc_assert.
2466
2467 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2468
2469         * tree-inline.c: Fix a typo.
2470
2471 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
2472
2473         * configure.ac (enable-checking): Explicitly set all variables for
2474         collective switch values.  Alphabetize variables. Rename
2475         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
2476         synonym for 'no'.
2477         * doc/install.texi (enable-checking): Update documentation.
2478         * configure: Rebuilt.
2479
2480 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2481
2482         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
2483         possible.
2484
2485 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
2486
2487         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
2488         Also reject cases where this pattern will cause load delay stalls
2489         unless optimizing for size and it will produce a shorter sequence.
2490         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
2491         variants to avoid pre-adjusting the base when possible.
2492
2493 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
2494
2495         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
2496         the frame and argument pointers.
2497         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
2498         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
2499         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
2500         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
2501         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
2502         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
2503
2504 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
2505
2506         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
2507         with entry for selectany attribute.
2508         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
2509         Declare.
2510         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
2511         (i386_pe_asm_named_section): Handle sections generated by
2512         selectany attribute.
2513         * doc/extend.texi (selectany): Document attribute.
2514
2515 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
2516             Jan Hubicka  <jh@suse.cz>
2517
2518         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
2519         to fix addresses involving EBP and ESP.
2520         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
2521         for SUBREGed registers.
2522         (legitimate_address_p): Accept SUBREGed registers.
2523
2524 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
2525
2526         PR c++/19406
2527         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
2528         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
2529         for FIELD_DECLs.
2530
2531 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2532
2533         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
2534
2535 2005-04-01  James E Wilson  <wilson@specifixinc.com>
2536
2537         PR c++/20505
2538         * dwarf2out.c (rtl_for_decl_init): New function.
2539         (rtl_for_decl_location): Extracted from here.
2540         (tree_add_const_value_attribute): Call rtl_for_decl_init and
2541         add_const_value_attribute.  Delete initializer_constant_valid_p call.
2542
2543 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2544
2545         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
2546         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
2547         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
2548         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
2549         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
2550         config/i386/i386.md, config/rs6000/predicates.md,
2551         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
2552         config/s390/s390.c, config/stormy16/stormy16.c,
2553         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
2554         typos.
2555
2556 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
2557
2558         PR c/17855
2559         * gimplify.c (gimplify_expr): Create a temporary for lvalue
2560         COND_EXPR and CALL_EXPR.
2561
2562 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
2563
2564         PR target/20632
2565         * genautomata.c (first_cycle_unit_presence): Check all alternative
2566         states for unit presence.
2567
2568         * doc/md.texi: Remove remark about impossibility to query unit
2569         presence in non nondeterministic automaton state.
2570         
2571         * config/ia64/ia64.c (get_template): Change order of unit querying.
2572
2573 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
2574
2575         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
2576         obsolete comment.
2577
2578 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
2579
2580         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
2581         flag for edges outside any loops.
2582
2583 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
2584
2585         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
2586
2587 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
2588
2589         * tree-ssa-alias.c: Follow spelling conventions.
2590         * doc/tree-ssa.texi: Fix a typo.
2591
2592 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
2593
2594         * postreload-gcse.c: Include target.h.
2595         (gcse_after_reload_main): Return early if we cannot modify jumps.
2596         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
2597
2598 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
2599
2600         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
2601         expensive operations.
2602
2603 2005-03-31  Ian Lance Taylor  <ian@airs.com>
2604
2605         * collect2.c (lderrout): New variable.
2606         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
2607         if it is set, to stderr.
2608         (handler): Unlink lderrout if it is set.
2609         (dump_file): Add "to" parameter.  Change all callers.
2610         (main): Initialize lderrout.
2611         (collect_execute): Add errname parameter.  Change all callers.
2612         Rename redir parameter to outname.  Never pass
2613         PEX_STDERR_TO_STDOUT to pex_run.
2614         * collect2.h (collect_execute, dump_file): Update declarations.
2615         * tlink.c (tlink_execute): Add errname parameter.  Change all
2616         callers.
2617         (do_tlink): Check lderrout as well as ldout.
2618
2619 2005-03-31  Caroline Tice  <ctice@apple.com>
2620
2621         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
2622         (bb-reorder.o): Add errors.h to list of requirements.
2623         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
2624         profiledbootstrap flags.
2625         * bb-reorder.c (errors.h): Add new include.
2626         (struct bbro_basic_block_data_def): Add new field, in_trace.
2627         (add_unlikely_executed_notes):  Remove function.
2628         (mark_bb_for_unlikely_executed_section): Remove function.
2629         (insert_section_boundary_note): New function.
2630         (verify_hot_cold_block_grouping): New function.
2631         (push_to_next_round_p): Remove variables and tests that push all
2632         cold blocks to last round.
2633         (find_traces): Remove code that added extra round of trace finding
2634         when doing partitioning.
2635         (find_traces_1_round) :  Remove variable last_round;  add code to 
2636         update new struct field, in_trace; correct trace_length where it was 
2637         incorrect before (after call to copy_bb); change code that pushed all 
2638         cold blocks to last round. Instead verify that all blocks going into 
2639         a trace belong in the same partition.
2640         (connect_traces): Modify to connect the traces in two passes, if the
2641         function contains both hot and cold blocks.  The first pass connects 
2642         all the traces for blocks in the partition that the first block in 
2643         the function belongs to; the second pass connnects all the traces 
2644         containing blocks that belong in the other partition.
2645         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
2646         code that automatically put the first block in a function into the
2647         hot partition if the function had any hot blocks.
2648         (fix_crossing_unconditional_branches): Check number of succ edges 
2649         before attempting to get one.
2650         (fix_edges_for_rarely_executed_code):  Update comment describing
2651         function.
2652         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
2653         remove call to add_unlikely_executed_notes; add call to 
2654         verify_hot_cold_block_grouping.
2655         (duplicate_computed_gotos): Don't change computed goto if it's a 
2656         crossing edge.
2657         (partition_hot_cold_basic_blocks):  Update function comment.
2658         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from 
2659         condition.
2660         (try_forward_edges): Likewise.
2661         (merge_blocks_move_predecessor_nojumps): Likewise.
2662         (merge_blocks_move_successor_nojumps): Likewise.
2663         (merge_blocks_move): Likewise.
2664         (try_crossjump_bb): Likewise.
2665         * cfglayout.c (update_unlikely_executed_notes): Remove function.
2666         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
2667         notes to cold bb's; remove call to update_unlikely_executed_notes.
2668         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
2669         NOTE_INSN_SWITCH_TEXT_SECTIONS.
2670         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
2671         function declaration.
2672         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
2673         from consideration.
2674         (rtl_can_merge_blocks): Remove redundancy from condition.
2675         (try_redirect_by_replacing_jump): Likewise.
2676         (force_nonfallthru_and_redirect): Remove code for adding
2677         UNLIKELY_EXECUTED_CODE notes to cold bb's.
2678         (commit_one_edge_insertion): Likewise.
2679         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
2680         * dbxout.c (FORCE_TEXT): Replace function_section with 
2681         current_function_section.
2682         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
2683         function, switch_text_section.
2684         (struct xcoff_debug): Likewise.
2685         (dbxout_function_end): Add code to put out label diffs for both
2686         hot and cold sections.
2687         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
2688         for new debug_hooks funciton, switch_text_section..
2689         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
2690         switch_text_section.
2691         * dwarf2out.c (struct dw_fde_struct):  Add five new fields: 
2692         dw_fde_hot_section_label, dw_fde_hot_section_end_label, 
2693         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and 
2694         dw_fde_switched_sections.
2695         (output_call_frame_info):  Add test to see if function switches text
2696         sections in the middle; if so, use appropriate extra hot and cold 
2697         section labels to compute size deltas for the hot and cold sections.
2698         (dwarf2out_begin_prologue): Add code to initialize new fields in 
2699         dw_fde_struct.
2700         (dwarf2out_switch_text_section): New function (invoked through 
2701         debug_hook); updates new fields in dw_fde_struct appropriately and
2702         increments separate_line_info_table_in_use.
2703         (dwarf2_debug_hooks): Initialize switch_text_section function to be
2704         dwarf2out_switch_text_section.
2705         (struct var_loc_node): Add new field, section_label.
2706         (output_aranges): Add code to check whether in hot or cold section and
2707         use the appropriate label in calculating deltas.
2708         (output_ranges): Likewise.
2709         (output_line_info): Add code to check which section we're in and
2710         use appropriate hot/cold label.
2711         (add_location_or_constant_value_attribute): Likewise.
2712         (gen_subprogam_die): Modify arange attributes to use correct labels.
2713         (dwarf2out_begin_block): Change call to function_section into call to
2714         current_function_section.
2715         (dwarf2out_end_block): Likewise.
2716         (dwarf2out_source_line): Likewise.
2717         (dwarf2out_var_location): Add code to check whether in hot or cold 
2718         section and use the appropriate label.
2719         * except.c (output_function_exception_table): Change call to 
2720         function_section into call to current_function_section.
2721         * final.c (profile_function): Likewise.
2722         (scan_ahead_for_unlikely_executed_note): Remove function.
2723         (final_scan_insn):  Remove calls to 
2724         scan_ahead_for_unlikely_executed_note, and related code for switching 
2725         to cold section, except for the single time 
2726         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to 
2727         debug_hooks->switch_text_sections; replace appropriate calls to 
2728         function_section with calls to current_function_section.
2729         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add 
2730         test_bb to condition.
2731         (find_if_case_2): Likewise.
2732         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
2733         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
2734         * opts.c (decode_options): Change warning about hot/cold partitioning
2735         with exceptionss to inform (so as not to cause bootstrap failures);
2736         remove warning about partitioning with DWARF debug info.
2737         * output.h (current_function_section): Add new function decl.
2738         (insert_section_boundary_note): Likewise.
2739         (enum in_section): Move this declaration here from varasm.c.
2740         (unlikely_section_label): Likewise.
2741         (unlikely_text_section_name): Likewise.
2742         (last_text_section_name): New global variable.
2743         (last_text_section): Likewise.
2744         (hot_section_label): Likewise.
2745         (hot_section_end_label): Likewise.
2746         (cold_section_end_label): Likewise.
2747         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
2748         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
2749         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
2750         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note 
2751         insn from consideration.
2752         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function, 
2753         switch_text_section.
2754         * varasm.c (basic-block.h): Add new include.
2755         (unlikely_section_label_printed): Remove global variable.
2756         (unlikely_section_label): Make global variable not be static any more.
2757         (unlikely_text_section_name): Likewise.
2758         (hot_section_end_label): New global variable (not static)
2759         (first_function_block_is_cold): Likewise.
2760         (hot_section_label): Likewise.
2761         (cold_section_end_label): Likewise..
2762         (last_text_section): New global variable, not static.
2763         (last_text_section_name): New global variable, not static.
2764         (initialize_cold_section_name): New function.
2765         (enum in_section): Move declaration to output.h.
2766         (text_section): Update last_text_section.
2767         (unlikely_text_section): Replace code to determine cold section name 
2768         with call to initialize_cold_section_name; Add code to update 
2769         last_text_section; remove code for printing out label.
2770         (named_section_real): Add code to update last_text_section and 
2771         last_text_section_name as appropriate.
2772         (function_section): Change test for 'unlikely' to depend on
2773         first_function_block_is_cold (moved old test to 
2774         current_function_section).
2775         (current_function_section): New function.
2776         (assemble_start_function): Move code that frees 
2777         unlikely_text_section_name; initialize hot_section_end_label; 
2778         print hot and cold section labels at the start of the function; 
2779         set first_function_block_is_cold, if appropriate; initialize l
2780         ast_text_section; add call to insert_section_boundary_note.
2781         (assemble_end_function):  Add code to write out hot and cold section
2782         end labels.
2783         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
2784         switch_text_section.
2785         * config/darwin.c (machopic_select_section): Replace incorrect 
2786         function in base_funs; update reloc for cold sections if necessary.
2787         * config/darwin.h (SECTION_FUNCTION):  Add code to update 
2788         last_text_section if appropriate.
2789         (text_unlikely_section): Remove.
2790         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
2791         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
2792         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
2793         partitioning for this architecture.
2794
2795 2005-03-31  Olivier Hainque  <hainque@adacore.com>
2796
2797         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
2798         defined and non-zero.
2799
2800 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2801
2802         PR c++/18644
2803         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
2804         semantics. 
2805
2806 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
2807
2808         PR target/20611
2809         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
2810         label operand.  Remove (use (unspec..)).  Don't emit a label on
2811         the offset word.
2812         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
2813         generate inline label for load_toc_v4_PIC_1b.
2814         (rs6000_emit_load_toc_table): Likewise.
2815
2816 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
2817
2818         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
2819         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
2820
2821 2005-03-29  Devang Patel  <dpatel@apple.com>
2822
2823         * tree-sra.c (decide_block_copy): Disable scalarization of
2824         sub-elements.
2825         
2826 2005-03-30  Stuart Hastings  <stuart@apple.com>
2827             Dale Johannesen  <dalej@apple.com>
2828
2829         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
2830         * print-tree.c (print_node):  Add case STATEMENT_LIST.
2831
2832 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
2833
2834         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
2835         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
2836         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
2837         is given with "powerpc64*" or "all", or when --with-cpu chooses
2838         a 64-bit cpu.
2839
2840 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
2841
2842         PR debug/20268
2843         * dwarf2out.c (add_high_low_attributes): New function, extracted from
2844         gen_lexical_block_die.
2845         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
2846
2847 2005-03-31  Jan Hubicka  <jh@suse.cz>
2848
2849         2004-11-02  Jan Hubicka  <jh@suse.cz>
2850
2851         * cgraph.c (cgraph_varpool_node_name): New function.
2852         (dump_cgraph_varpool_node): New function.
2853         (dump_varpool): New function.
2854         * cgraphunit.c (cgraph_optimize): Dump varpool.
2855
2856         2004-10-16  Jan Hubicka  <jh@suse.cz>
2857
2858         * cgraph.c (decide_is_variable_needed): New function.
2859         (cgraph_varpool_finalize_decl): Use it.
2860         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
2861         unit-at-a-time.
2862         * final.c (output_addr_const): Do not call mark_referenced.
2863         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
2864         always go via cgraph.
2865         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
2866         (check_global_declarations): Ifdef out code clearing DECL_RTL.
2867         * tree-optimize.c (execute_inline): Mark functions called.
2868         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
2869
2870         2004-10-11  Jan Hubicka  <jh@suse.cz>
2871
2872         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
2873         (cgraph_varpool_last_needed_node): New static variable.
2874         (enqueue_needed_varpool_node): Break out from ...; add items to the
2875         end of queue; update first pointers.
2876         (cgraph_varpool_mark_needed_node): ... here.
2877         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
2878         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
2879         * cgraph.h (cgraph_varpool_node): Add analyzed field.
2880         (cgraph_varpool_first_unanalyzed_node): Declare.
2881         * cgraphunit.c: Include output.h.
2882         (cgraph_varpool_analyze_pending_decls): New function.
2883         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
2884         for errors, analyze pending decls.
2885         (cgraph_finalize_compilation_unit): Only analyze decls.
2886         (cgraph_optimize): Assemble the decls after expanding.
2887
2888 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
2889
2890         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
2891         subvars get marked properly in tags for grouping.
2892         (add_pointed_to_var): Mark only actual pointed to
2893         variables/subvars in addresses needed.
2894         (create_overlap_variables_for): Clear call clobbered on original
2895         variable.
2896         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
2897         addresable vars with subvars into list.
2898         * tree-ssa.c (verify_ssa_name): Verify original is not used where
2899         subvar should be.
2900
2901 2005-03-30  Richard Henderson  <rth@redhat.com>
2902
2903         * cgraph.h (struct cgraph_node): Add alias.
2904         * varasm.c (assemble_alias): Set it.
2905         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
2906         avoid calling cgraph_expand_function.
2907
2908 2005-03-30  Tom Tromey  <tromey@redhat.com>
2909
2910         * tree.def (FILE_TYPE): Removed.
2911         * typeclass.h (enum type_class): Removed file_type_class.
2912         * dwarf2out.c (is_base_type): Updated.
2913         (gen_type_die): Likewise.
2914         * dbxout.c (dbxout_type): Updated.
2915         * builtins.c (type_to_class): Updated.
2916         * tree.c (type_contains_placeholder_1): Updated.
2917         * config/sparc/sparc.c (sparc_type_code): Updated.
2918         * config/ia64/ia64.c (hfa_element_mode): Updated.
2919         * expr.c (count_type_elements): Updated.
2920         * stor-layout.c (layout_type): Updated.
2921         * tree-inline.c (remap_type): Updated.
2922         * tree-pretty-print.c (dump_generic_node): Updated.
2923
2924 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
2925
2926         * builtins.c (expand_builtin_powi): Fix mode of
2927         2nd argument to match int.
2928         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
2929         2nd argument type to int.
2930         * libgcc2.c: Change prototype of __powi* functions to use
2931         int.
2932
2933 2005-03-30  Dale Johannesen  <dalej@apple.com>
2934
2935         PR middle-end/19225
2936         * calls.c (expand_call):  Flush pending deferrals before
2937         throwing call.
2938
2939 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
2940
2941         PR c/772
2942         PR c/17913
2943         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
2944         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
2945         c_label_context, label_context_stack): New.
2946         * c-decl.c (define_label): Check for jumps into statement
2947         expressions.  Add label to list of defined labels.
2948         (start_function): Push context on label_context_stack.
2949         (finish_function): Pop context from label_context_stack.
2950         * c-typeck.c (label_context_stack): New.
2951         (c_finish_goto_label): Check for jumps into statement
2952         expressions.  Add label to list of jumped to labels.
2953         (struct c_switch): Add blocked_stmt_expr.
2954         (c_start_case): Initialize it.
2955         (do_case): Check it.
2956         (c_finish_case): Verify !blocked_stmt_expr.
2957         (c_begin_stmt_expr):  Push context on label_context_stack.
2958         Increment blocked_stmt_expr.  Mark labels jumped to from outside
2959         as undefinable.
2960         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
2961         defined in the statement expression and no longer jumpable to.
2962         Mark labels jumped to from just outside the statement expression
2963         as again definable.  Pop context from label_context_stack.
2964         * doc/extend.texi (Statement Exprs): Update.
2965
2966 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
2967
2968         PR c/20368
2969         * c-decl.c (start_function): Check for old_decl being
2970         error_mark_node.
2971
2972 2005-03-30  Ian Lance Taylor  <ian@airs.com>
2973
2974         * final.c (final): Remove prescan parameter.  Change all callers.
2975         (final_scan_insn): Remove prescan parameter.  Change all callers.
2976
2977 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
2978
2979         * tree-vectorizer.c: Fix comment typos.
2980
2981 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
2982
2983         * tree-scalar-evolution.c (instantiate_parameters_1): Return
2984         as soon as a chrec_dont_know is detected.
2985
2986 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
2987
2988         Merge from csl-arm-branch.
2989         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
2990
2991         * tlink.c (recompile_files): Do not assume that "rename" can
2992         overwrite an existing file.
2993
2994 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
2995
2996         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
2997         * gcc/configure: Regenerate.
2998
2999 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3000
3001         * doc/install.texi: Update binutils requirement for powerpc*-linux.
3002
3003         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
3004
3005         * calls.c (struct arg_data): Update "partial" comment.
3006         (load_register_parameters): Update "nregs" comment.
3007
3008 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3009
3010         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
3011         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
3012         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
3013         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
3014         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
3015         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
3016         than target_flags & 0.
3017         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
3018         (iq2000_arch, iq2000_parse_cpu): Delete.
3019         (TARGET_HANDLE_OPTION): Override default.
3020         (iq2000_handle_option): New function.
3021         (override_options): Remove -march= and -mcpu= handling.
3022         * config/iq2000/iq2000.opt: New file.
3023
3024 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3025
3026         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
3027         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
3028         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
3029         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
3030         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
3031         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
3032         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
3033         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
3034         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
3035         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
3036         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
3037         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
3038         (c4x_rpts_cycles_string, c4x_cpu_version_string)
3039         (TARGET_OPTIONS): Delete.
3040         (c4x_rpts_cycles, c4x_cpu_version): Declare.
3041         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
3042         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
3043         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
3044         (c4x_cpu_version_string): Delete.
3045         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3046         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
3047         equivalent -mcpu= option.
3048         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
3049         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
3050         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
3051         or clearing the appropriate MASK_* bit.
3052         (c4x_file_start): Use c4x_cpu_version.
3053         * config/c4x/c4x.opt: New file.
3054
3055 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3056
3057         * doc/options.texi: Document the new MaskExists flag.
3058         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
3059         if the option has the MaskExists flag.
3060
3061 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3062
3063         * opt-functions.awk (flag_set_p, test_flag): New functions.
3064         (switch_flags): Use them.
3065         * opth-gen.awk: Use flag_set_p to check for flags.
3066         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
3067
3068 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3069
3070         * config.host (i[34567]86-*-mingw32*): Don't set
3071         host_can_use_collect2 to no.
3072
3073 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3074
3075         PR target/20203
3076         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
3077         Remove convert_memory_address call duplicating that in memory_address.
3078
3079 2005-03-29  Richard Henderson  <rth@redhat.com>
3080
3081         PR c/20519
3082         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
3083         (build_compound_literal): Likewise.  Propagate decl type into the
3084         initializer.
3085         (finish_decl): Likewise.  Use new return value from complete_array_type
3086         for zero sized arrays.
3087         (complete_array_type): Move ...
3088         * c-common.c (complete_array_type): ... here.  Change first argument
3089         to pointer-to-type-node.  Consistently use sizetype for the index
3090         except for zero sized arrays.  Detect zero sized arrays for pedantic
3091         mode diagnostics.  Create a new type node instead of modifying the
3092         old node in place.
3093         * c-tree.h (complete_array_type): Move decl ...
3094         * c-common.h (complete_array_type): ... here.
3095
3096 2005-03-29  Richard Henderson  <rth@redhat.com>
3097
3098         PR tree-opt/19108
3099         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
3100
3101 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
3102
3103         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
3104         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
3105         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
3106         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
3107
3108 2005-03-29  Eric Christopher  <echristo@redhat.com>
3109
3110         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
3111         truthvalue conversion removal.
3112
3113 2005-03-29  Ian Lance Taylor  <ian@airs.com>
3114
3115         PR bootstrap/14316
3116         * collect2.c: Never include <vfork.h>.
3117         (VFORK_STRING, vfork): Don't define.
3118         (pid): Remove global variable.
3119         (handler): Call raise instead of kill (getpid(), ...).
3120         (collect_wait): Add pex parameter.  Change all callers.  Use
3121         pex_get_status rather than pwait.
3122         (do_wait): Add pex parameter.  Change all callers.
3123         (collect_execute): Return struct pex_obj * rather than void.  Use
3124         pex routines rather than pexecute.
3125         (fork_execute): Get pex_obj from collect_execute, and pass it to
3126         do_wait.
3127         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
3128         Only declare quit_handler if SIGQUIT is defined.
3129         (scan_libraries): Likewise.
3130         * collect2.h (collect_execute): Update declaration.
3131         (collect_wait): Update declaration.
3132         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
3133         pass it to collect_wait.
3134
3135 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
3136
3137         PR c/20672
3138         * c-parser.c (c_parser_compound_statement_nostart): Give error
3139         message for EOF instead of just setting parser->error.
3140
3141 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
3142
3143         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
3144         (slpeel_update_phi_nodes_for_guard1): New function.
3145         (slpeel_update_phi_nodes_for_guard2): New function.
3146         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
3147         of slpeel_update_phi_nodes_for_guard.
3148         (vectorize_loops): Remove call to loop_closed_rewrite.
3149         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
3150         assertion.
3151
3152 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
3153
3154         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
3155         (TARGET_LITTLE_ENDIAN): New macro.
3156         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
3157         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
3158         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
3159         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
3160         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
3161         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
3162         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
3163         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
3164         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
3165         (TARGET_OPTIONS): Delete.
3166         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
3167         (CACHE_FLUSH_TRAP): Turn into an integer.
3168         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
3169         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
3170         -mflush-trap is in use.
3171         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
3172         (m32r_cache_flush_trap_string): Delete.
3173         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
3174         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
3175         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
3176         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3177         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
3178         -mmodel= and -msdata= handling from...
3179         (m32r_init): ...here.
3180         * config/m32r/m32r.opt: New file.
3181
3182 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
3183
3184         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
3185         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
3186         * tree-vect-analyze.c (vect_object_analysis): additional parm
3187         pass back a "struct ptr_info_def *" with the points-to info.
3188         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
3189         statement using info returned from vect_object_analysis.
3190         * tree-vect-transform.c (update_vuses_to_preheader): New function.
3191         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
3192         for virtual uses and defs when creating a replacement vector
3193         reference.  Call duplicate_ssa_name_ptr_info to define points-to
3194         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
3195         (vectorizable_store): copy_virtual_operands and update
3196         definition statements.
3197         (vectorizable_load): copy_virtual_operands.  Remove call to
3198         mark_call_clobbered_vars_to_rename for call to "const" builtin.
3199         * tree-vectorizer.c (vectorize_loops): Remove calls to
3200         rewrite_into_ssa and bitmap_clear (vars_to_rename).
3201         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
3202         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
3203         define macro STMT_VINFO_PTR_INFO for use in accessing.
3204         * tree.h add export of duplicate_ssa_name_ptr_info.
3205         * rs6000.c (altivec_init_builtins): Declare builtin function
3206         __builtin_altivec_mask_for_load to be "const".
3207
3208 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
3209
3210         PR middle-end/20622
3211         * cgraph.h (struct cgraph_varpool_node): Add alias field.
3212         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
3213         assemble_variable on aliases.
3214         * varasm.c (assemble_alias): Set node->alias.
3215         * toplev.c (wrapup_global_declarations): Don't call
3216         rest_of_decl_compilation on aliases again.
3217
3218 2005-03-29  Paul Brook  <paul@codesourcery.com>
3219
3220         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
3221         * config/arm/arm.c (arm_dbx_register_number): New function.
3222         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
3223
3224 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
3225
3226         PR middle-end/20263
3227         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
3228         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
3229
3230 2005-03-29  Dale Johannesen <dalej@apple.com>
3231
3232         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
3233         $(TREE_H) and $(COVERAGE_H).
3234         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
3235         * opts.c (common_handle_option): Enable tree-based value transforms.
3236         * toplev.c (process_options): Ditto.
3237         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
3238         refers to references to this type.
3239         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
3240         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
3241         for may_be_more, may_be_less.
3242         (rtl_gen_pow2_profiler): Adjust.
3243         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
3244         (rtl_gen_one_value_profiler): Adjust.
3245         (rtl_gen_const_delta_profiler): Adjust.
3246         * tree-profile.c (tree_gen_interval_profiler): Implement.
3247         (tree_gen_pow2_profiler): Ditto.
3248         (tree_gen_one_value_profiler): Ditto.
3249         (tree_profiling): New.
3250         (pass_tree_profile): Reference it.
3251         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
3252         tree.h, gcov-io.h.
3253         (insn_divmod_values_to_profile): Rename to
3254         rtl_divmod_values_to_profile. Adjust.
3255         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
3256         (insn_prefetch_values_to_profile): Adjust.
3257         (rtl_value_profile_transformations): Adjust.
3258         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
3259         (gen_mod_pow2): Rename to rtl_mod_pow2.
3260         (gen_mod_subtract): Rename to rtl_mod_subtract.
3261         (divmod_fixed_value_transform): Rename to
3262         rtl_divmod_fixed_value_transform.
3263         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
3264         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
3265         (rtl_find_values_to_profile): Adjust.
3266         (tree_value_profile_transformations): Implement.
3267         (tree_divmod_values_to_profile): New.
3268         (tree_values_to_profile): New.
3269         (tree_divmod_fixed_value): New.
3270         (tree_mod_pow2): New.
3271         (tree_mod_subtract): New.
3272         (tree_divmod_fixed_value_transform): New.
3273         (tree_mod_pow2_value_transform): New.
3274         (tree_mod_subtract_transform): New.
3275         (tree_find_values_to_profile): Implement.
3276         * profile.c (instrument_values):  Free histograms.
3277         (compute_value_histograms): Adjust. Implement tree version.
3278
3279 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
3280
3281         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
3282         * config/i386/i386.c (output_fix_trunc): Add new round_mode
3283         variable.  Output "fldcw" depending on round_mode.
3284         * config/i386/i386.md (UNSPEC_FIST): New.
3285         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
3286         New isns patterns to implement lrint and llrint built-ins as x87
3287         intrinsic function.
3288         (fistdi2, fist<mode>2 splitters): New splitters.
3289         (lrint<mode>2): New expanders.
3290
3291 2005-03-28  Ian Lance Taylor  <ian@airs.com>
3292
3293         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
3294         0 when calling final_scan_insn.
3295
3296 2005-03-28  Jan Hubicka  <jh@suse.cz>
3297
3298         PR middle-end/20635
3299         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
3300         as needed.
3301
3302         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
3303         types where possible.
3304
3305 2005-03-26  Per Bothner  <per@bothner.com>
3306
3307         Make -f[no-]show-column also control non-cpp diagnostics.
3308         * c.opt (fshow-column): Move option from here ...
3309         * common.opt (fshow-column): ... to here.
3310         * diagnostic.c (diagnostic_build_prefix): Only print column number
3311         if flag_show_column.
3312
3313 2005-03-27  Steven Bosscher  <stevenb@suse.de>
3314
3315         * vax-protos.h (vax_output_int_move, vax_output_int_add,
3316         vax_output_conditional_branch): New prototypes.
3317         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
3318         extracted from vax.md mov and add patterns.
3319         (vax_output_conditional_branch): New function to output conditional
3320         branch instructions.
3321         * vax.md: Use mode macros for arithmetic and mov patterns.
3322         Use code macros for the jump patterns.
3323
3324 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3325
3326         * Makefile.in (libbackend.o): Depend on version files;
3327         add custom generation command.
3328
3329 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3330
3331         PR target/20636
3332         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
3333         sure that we have a REG before getting its REGNO.
3334
3335 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3336
3337         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
3338         * builtins.def (BUILT_IN_STRNDUP): New.
3339
3340 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
3341
3342         PR tree-optimization/20470
3343         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
3344         ABS(x-y).
3345
3346 2005-03-25  Mike Stump  <mrs@apple.com>
3347
3348         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
3349         sized objects.
3350
3351 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
3352
3353         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
3354         Use our own structure definitions.
3355
3356         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
3357         (fix_truncdfsi2): Allow registers or memory as destination.
3358         When TARGET_PPC_GFXOPT, generate simplified pattern.
3359         (fix_truncdfsi2_internal): Use define_insn_and_split.
3360         (fix_truncdfsi2_internal_gfxopt): New.
3361         (fctiwz): Don't confuse register allocation by giving it no choices.
3362         (stfiwx): New.
3363         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
3364         (EXTRA_MEMORY_CONSTRAINT): Likewise.
3365         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
3366         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
3367
3368 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
3369
3370         * dominance.c (free_dominance_info): Speed up by freeing et
3371         data structures without maintaining other nodes.
3372         * et-forest.c (et_free_tree_force): New.
3373         * et-forest.h: Add a prototype for et_free_tree_force.
3374
3375         * tree.c (get_set_constructor_bits,
3376         get_set_constructor_bytes): Remove.
3377         * tree.h: Remove the corresponding prototypes.
3378
3379 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
3380
3381         PR target/15491
3382         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
3383         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
3384         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
3385         PRE_DEC, NEG and NOT.
3386
3387 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
3388
3389         * fold-const.c: Convert uses of fold (build (...)) to
3390         fold_buildN.
3391
3392 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
3393
3394         PR rtl-optimization/20249
3395         * cse.c (insert_regs): Do not record equivalence of registers in
3396         different modes.
3397
3398 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
3399
3400         * emit-rtl.c (reverse_comparison): Remove.
3401         * rtl.h: Remove the corresponding prototype.
3402
3403 2005-03-24  James E Wilson  <wilson@specifixinc.com>
3404
3405         * doc/install.texi (--enable-altivec): Delete docs.
3406
3407 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
3408
3409         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
3410         SFmode and DFmode before reload when
3411         flag_unsafe_math_optimizations not enabled.
3412
3413 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
3414
3415         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
3416
3417         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
3418         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
3419
3420 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
3421
3422         * configure.ac (enable-checking): Add 'runtime' option.
3423         * doc/install.texi (enable-checking): Document 'runtime' checking.
3424         * tsystem.h (gcc_assert, gcc_unreachable): Define.
3425         * config.in: Regenerated.
3426         * configure: Regenerated.
3427
3428 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
3429
3430         * optabs.h (enum optab_index): Remove OTI_llrint.
3431         (llrint_optab): Remove macro.
3432         * optabs.c (init_optabs): Remove llrint_optab initialization.
3433         * genopinit.c (optabs): Remove llrint_optab implementation.
3434         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
3435         using lrint_optab.
3436
3437 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
3438
3439         PR rtl-optimization/20532
3440         * simplify-rtx.c (simplify_binary_operation_1): Protect from
3441         overflow when adding coefficients for PLUS or MINUS.
3442         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
3443         two as multiplier.
3444
3445 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3446
3447         * langhooks.h (truthvalue_conversion): Remove.
3448         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
3449         LANG_HOOKS_TRUTHVALUE_CONVERSION.
3450         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
3451         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
3452         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
3453
3454 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
3455
3456         * params.def: Fix a typo.
3457         * config/mips/mips.c: Follow the spelling convensions.
3458         * doc/invoke.texi: Fix typos.
3459
3460 2005-03-18  Dale Johannese  <dalej@apple.com>
3461
3462         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
3463
3464 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
3465
3466         Fix PR tree-optimization/20601
3467
3468         * tree-ssa-pre.c (insert_aux): Add missing condition to
3469         constification.
3470
3471 2005-03-23  Ian Lance Taylor  <ian@airs.com>
3472
3473         * final.c (final_scan_insn): Don't remove no-op instructions.
3474         * reload1.c (reload): Remove simple no-op instructions even when
3475         not optimizing.
3476
3477 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
3478
3479         PR tree-optimization/20501
3480         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
3481         reporting that peeling for alignment is applied moved to...
3482         * (vect_analyze_data_refs_alignment): Here.
3483
3484 2005-03-23  Ian Lance Taylor  <ian@airs.com>
3485
3486         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
3487
3488 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3489
3490         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
3491         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
3492
3493 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
3494
3495         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
3496         imply that this is called once, independent of asms in code.
3497         Adjust to now being pased output and input lists.  Mention helper
3498         function decl_overlaps_hard_reg_set_p.
3499         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
3500         hook_tree_tree_identity and to take three trees, returning third.
3501         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
3502         prototype.
3503         * stmt.c: include hard-reg-set.h before tree.h.
3504         (decl_overlaps_hard_reg_set_p): New function, broken out from...
3505         (decl_conflicts_with_clobbers_p): Call
3506         decl_overlaps_hard_reg_set_p.
3507         (expand_asm_operands): Pass output and input lists in call to
3508         targetm.md_asm_clobbers.
3509         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
3510         hook_tree_tree_tree_tree_3rd_identity.
3511         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
3512         parameters.
3513         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
3514         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
3515         parameters, first two unused.
3516         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
3517         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
3518         in constraint letters and MOF is not mentioned as a asm-declared
3519         register in neither of the input and output lists.
3520
3521 2005-03-23  DJ Delorie  <dj@redhat.com>
3522
3523         * optabs.c (expand_binop): Make sure the first subword's result
3524         gets stored.
3525
3526 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3527
3528         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
3529         Call c_common_truthvalue_conversion rather than
3530         lang_hooks.truthvalue_conversion.
3531         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
3532         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
3533         c-typeck.c.
3534         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
3535         c_common_truthvalue_conversion.
3536         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
3537         c_parser_conditional_expression, c_parser_binary_expression): Call
3538         c_objc_common_truthvalue_conversion.
3539         * c-typeck.c (build_unary_op): Call
3540         c_objc_common_truthvalue_conversion.
3541         (build_conditional_expr): Do not call
3542         lang_hooks.truthvalue_conversion.
3543         (build_binary_op): Call c_common_truthvalue_conversion.
3544         (c_objc_common_truthvalue_conversion): Moved from
3545         c-objc-common.c.  Call default_function_array_conversion instead
3546         of default_conversion.
3547
3548 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3549
3550         * c-common.h (default_conversion): Remove.
3551         (perform_integral_promotions): Add.
3552         * c-tree.h (default_conversion): Add.
3553         * c-typeck.c (perform_integral_promotions): New, split out from
3554         default_conversion.
3555         * c-common.c (check_case_value): Use perform_integral_promotions,
3556         not default_conversion.
3557         (c_add_case_label): Don't continue processing case label after
3558         found to be pointer.
3559
3560 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
3561
3562         * gcc.c (do_spec_1): Do not add a -L path for a directory in
3563         the prefix list if we have already added a multilib directory
3564         based on that path.
3565         (main): Do not add MD_EXEC_PREFIX to the list of directories to
3566         search with -L.
3567
3568 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
3569
3570         * reload1.c (indirect_symref_ok, reload_obstack): Make them
3571         static.
3572         * reload.h: Remove the prototype for indirect_symref_ok.
3573
3574         * reload1.c (indirect_symref_ok): Make it global.
3575         * reload.h: Add a prototype for indirect_symref_ok.
3576
3577 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
3578
3579         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
3580         ashlhi3 expander.
3581
3582 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3583
3584         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
3585
3586 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
3587
3588         * c-opts.c (c_common_parse_file): Only start/end main source file
3589         if debug hooks says the writer wants it.
3590         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
3591         member.
3592         (xcoff_debug_hooks): Ditto.
3593         * debug.c (do_nothing_hooks): Ditto.
3594         * debug.h (gcc_debug_hooks): Ditto.
3595         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
3596         * sdbout.c (sdb_debug_hooks): Ditto.
3597         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
3598
3599 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
3600
3601         * doc/extend.texi: Deprecate C++ min/max operators.
3602
3603 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
3604
3605         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
3606         artificial original candidates.
3607
3608 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
3609             Jan Hubicka  <jh@suse.cz>
3610             Steven Bosscher <stevenb@suse.de>
3611
3612         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
3613         call cost based on argument sizes.
3614         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
3615         inlining.
3616         * params.def: (max-inline-inssn-single): Set to 450.
3617         (max-inline-insns-auto): Set to 90.
3618         (max-inline-insns-recursive): Set to 450
3619         (max-inline-insns-recursive-auto): Set to 450.
3620         (large-function-insns): Set to 2700.
3621         (inline-call-cost): New parameter.
3622         * tree-inline.c (estimate_move_cost): New function.
3623         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
3624         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
3625         based on arguments.
3626         * tree-inline.h (estimate_move_cost): Declare.
3627         * invoke.texi: (max-inline-inssn-single): Change default to 450.
3628         (max-inline-insns-auto): Change default to 90.
3629         (max-inline-insns-recursive): Change default to 450
3630         (max-inline-insns-recursive-auto): Change default to 450.
3631         (large-function-insns): Change default to 2700.
3632         (inline-call-cost): Document new parameter.
3633
3634 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
3635
3636         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
3637         (TARGET_DEFAULT): Delete.
3638         * config/i860/i860.opt: New file.
3639
3640 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
3641
3642         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
3643         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
3644         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
3645         (frv_sched_lookahead): Delete.
3646         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
3647         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
3648         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
3649         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
3650         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
3651         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
3652         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
3653         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
3654         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
3655         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
3656         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
3657         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
3658         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
3659         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
3660         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
3661         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
3662         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
3663         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
3664         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
3665         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
3666         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
3667         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
3668         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
3669         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
3670         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
3671         (frv_sched_lookahead): Delete.
3672         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
3673         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3674         (frv_handle_option): New function.  Move -mcpu= handling from...
3675         (frv_override_options): ...here.  Remove handling of other
3676         TARGET_OPTIONS.
3677         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
3678         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
3679         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
3680         and TARGET_NO_MULTI_CE.
3681         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
3682         !TARGET_VLIW_BRANCH.
3683         * config/frv/frv.opt: New file.
3684
3685 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
3686
3687         * fold-const.c (fold_ternary): Take decomposed arguments of
3688         CALL_EXPR.
3689         (fold): Update a call to fold_ternary.
3690
3691         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
3692         * tree.h: Add corresponding prototypes.
3693
3694 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
3695
3696         PR target/20561
3697         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
3698         between jump table and its label.
3699         * final.c (shorten_branches): Handle notes in between ADDR_VEC
3700         resp. ADDR_DIFF_VEC and the label preceeding it.
3701         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
3702         is emitted in the right section.
3703
3704 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
3705
3706         * fold-const.c (fold_unary, fold_binary): Update comments
3707         about arguments.
3708
3709 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
3710
3711         PR rtl-optimization/20527
3712         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
3713         REG_INC note, test that the register also isn't mentioned in PRED
3714         or SUCC.
3715
3716 2005-03-22  Ben Elliston  <bje@au.ibm.com>
3717
3718         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
3719         and definition.
3720
3721 2005-03-21  Mike Stump  <mrs@apple.com>
3722
3723         * varasm.c (default_assemble_visibility): Remove extra ().
3724
3725 2005-03-21  Roger Sayle  <roger@eyesopen.com>
3726
3727         PR middle-end/20557
3728         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
3729         to determine whether a block can be duplicated, rather than test
3730         whether the block contains noncopyable insns ourselves.
3731
3732 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3733
3734         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
3735         predicates.
3736
3737 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
3738
3739         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
3740
3741 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
3742
3743         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
3744         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
3745         * config/fr30/fr30.opt: New file.
3746
3747 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
3748
3749         Fix PR tree-optimization/20542
3750
3751         * tree-flow-inline.h (overlap_subvar): Move to here.
3752         * tree-ssa-operands.c: From here.
3753         * tree-flow.h (overlap_subvar): Declare.
3754         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
3755         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
3756         for variables with subvars.
3757
3758 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
3759
3760         PR middle-end/20177
3761         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
3762         * modulo-sched.c (const_iteration_count): Return on NULL
3763         pre-header.
3764         (print_node_sched_params): Return on NULL dump_file.
3765         (generate_reg_moves): Handle reg-anti dependencies and disregard
3766         closing branch when generating register moves.
3767         (sms_schedule): Mark the SMSed block dirty.
3768         * passes.c (rest_of_handle_sms): Call update_life_info for all
3769         basic-blocks.
3770         * testsuite/gcc.dg/20050321-1.c: New test.
3771
3772 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
3773
3774         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
3775         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
3776         movqi_internal): Likewise.
3777
3778 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
3779
3780         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
3781         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
3782         xtensa_b4const): Delete prototypes.
3783         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
3784         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
3785         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
3786         xtensa_extra_constraint): New prototypes.
3787         (add_operand, arith_operand, nonimmed_operand, mem_operand,
3788         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
3789         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
3790         move_operand, const_float_1_operand, fpmem_offset_operand,
3791         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
3792         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
3793         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
3794         argument type to HOST_WIDE_INT.
3795         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
3796         xtensa_mask_immediate): Likewise.
3797         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
3798         Likewise.  Also make these functions static.
3799         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
3800         (xtensa_const_ok_for_letter_p): New.
3801         (add_operand, arith_operand, nonimmed_operand, mem_operand,
3802         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
3803         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
3804         move_operand, const_float_1_operand, fpmem_offset_operand,
3805         branch_operator, ubranch_operator, boolean_operator): Move to
3806         predicates.md.
3807         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
3808         (xtensa_mem_offset): Change return type to bool.
3809         (xtensa_extra_constraint): New.
3810         (gen_int_relational): Update type of const_range_p function pointer.
3811         Use xtensa_b4const_or_zero.
3812         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
3813         xtensa_const_ok_for_letter_p.  Update comments.
3814         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
3815         (PREDICATE_CODES): Delete.
3816         * config/xtensa/xtensa.md: Include predicates.md.
3817         * config/xtensa/predicates.md: New file.
3818
3819 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3820
3821         * config/v850/v850-protos.h: Remove the prototypes for
3822         reg_or_int9_operand, reg_or_const_operand,
3823         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
3824         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
3825         movsi_source_operand, power_of_two_operand,
3826         not_power_of_two_operand, special_symbolref_operand,
3827         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
3828         register_is_ok_for_epilogue.
3829         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
3830         reg_or_int9_operand, reg_or_const_operand,
3831         call_address_operand, special_symbolref_operand,
3832         movsi_source_operand, power_of_two_operand,
3833         not_power_of_two_operand, register_is_ok_for_epilogue,
3834         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
3835         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
3836         predicates.md.
3837         * config/v850/v850.h (PREDICATE_CODES): Remove.
3838         * config/v850/v850.md: Include predicates.md.
3839         * config/v850/predicates.md: New.
3840
3841 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
3842
3843         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
3844         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
3845         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
3846         (itoolsdir, itoolsdatadir): Move definition above new first use.
3847         (install-itoolsdirs): New rule.
3848         (install-mkheaders): Depend on install-itoolsdirs, not
3849         install-include-dir.
3850
3851 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3852
3853         * tree-into-ssa.c: Remove obsolete comments.
3854
3855 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
3856
3857         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
3858         unrolling if -fpeel-loops is specified, too.
3859         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
3860         Remove superfluous check for flag_unroll_loops.
3861
3862 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
3863
3864         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
3865         (lrint_optab, llrint_optab): Define corresponding macros.
3866         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
3867         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
3868         pattern and llrint_optab using llrintdi2 patterns.
3869         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
3870         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
3871         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
3872         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
3873         flag_unsafe_math_optimizations is set.
3874
3875 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
3876
3877         * combine.c (combine_simplify_rtx, simplify_if_then_else,
3878         simplify_logical, if_then_else_cond, known_cond,
3879         simplify_comparison): Adjust calls to reverse_comparison.
3880         Don't use combine_reversed_comparison_code).
3881         (combine_reversed_comparison_code): Remove.
3882         (reversed_comparison): Using reversed_comparison_code, move it...
3883         * jump.c (reversed_comparison): ... here.
3884         * rtl.h (reversed_comparison): Add prototype.
3885
3886 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3887
3888         * builtins.c (fold_builtin): Take decomposed arguments of
3889         CALL_EXPR.
3890         * fold-const.c (fold_ternary): Update a call to fold_builtin.
3891         * gimplify.c (gimplify_call_expr): Likewise.
3892         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
3893         * tree.h: Update the prototype of fold_builtin.
3894
3895 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
3896
3897         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
3898         * rtlhooks.c (gen_lowpart_no_emit_general): New.
3899         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
3900         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
3901         * simplify-rtx.c (simplify_binary_operation_1): Use it.
3902
3903 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3904
3905         * builtins.c (fold_builtin_1): Take decomposed arguments of
3906         CALL_EXPR.
3907         (fold_builtin): Update a call to fold_builtin_1.
3908
3909 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
3910
3911         PR other/20564
3912         * gcov.c (output_lines): Only output function block summary when
3913         outputting branch information.
3914         * doc/gcov.texi: Document format of preamble and additional block
3915         information lines.
3916
3917 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
3918
3919         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
3920         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
3921         the defaults false if BITS_PER_UNIT != 8.
3922         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
3923         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
3924         than BITS_PER_UNIT != 8.
3925         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
3926         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
3927         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
3928         #undefs.
3929         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
3930         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
3931
3932 2005-03-20  Roger Sayle  <roger@eyesopen.com>
3933
3934         PR middle-end/20539
3935         * fold-const.c (fold_binary): Fix type mismatch between
3936         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
3937         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
3938         for non-truth-valued expressions.
3939
3940         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
3941         and FUNCTION_DECL in the main switch.
3942         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
3943         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
3944         we also need to convert their operands to match.
3945         <TRUTH_NOT_EXPR>: Likewise.
3946
3947 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
3948
3949         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
3950         diagnostic without checking whether an lvalue.
3951         * c-common.h (lvalue_p): Remove.
3952         (enum lvalue_use): Update comment.
3953         (lvalue_or_else): Replace by lvalue_error.
3954         * c-typeck.c (lvalue_p): Make static.
3955         (lvalue_or_else): New.  Call lvalue_error.
3956
3957 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
3958
3959         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
3960         (function_arg_advance): Use rs6000_parm_start.
3961         (function_arg, rs6000_arg_partial_bytes): Likewise.
3962
3963 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
3964
3965         * c-common.c (check_case_value): Adjust comment about stripping
3966         NOPs.
3967         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
3968         * c-typeck.c (default_conversion, convert_arguments,
3969         build_modify_expr, convert_for_assignment, store_init_value,
3970         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
3971         manually.  Remove inaccurate comments.
3972
3973 2005-03-20  Roger Sayle  <roger@eyesopen.com>
3974             Joseph S. Myers  <joseph@codesourcery.com>
3975
3976         * varasm.c (do_assemble_alias): Restore comment describing function.
3977         Annotate the target parameter as potentially unused.
3978
3979 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
3980
3981         PR target/18551
3982         * config/avr/avr.c (avr_output_function_prologue): Do not use
3983         current_function_name() in a label, use a local label instead.
3984
3985 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
3986
3987         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
3988         flag_finite_math_only, not flag_unsafe_math_optimizations.
3989
3990 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
3991
3992         * builtins.c (fold_builtin_1): Update a call to
3993         targetm.fold_builtin.
3994         * hooks.c (hook_tree_tree_bool_null): Rename to
3995         hook_tree_tree_tree_bool_null.  Take one more argument of type
3996         tree.
3997         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
3998         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
3999         hook_tree_tree_tree_bool_null.
4000         * target.h (gcc_target): Update the prototype of fold_builtin.
4001         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
4002         arguments of CALL_EXPR.
4003         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
4004         new prototype.
4005
4006 2005-03-20  Jan Hubicka  <jh@suse.cz>
4007
4008         * cgraph.h (cgraph_node): Add prev_clone pointer.
4009         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
4010         (cgraph_clone_node): Produce doubly linked chain.
4011
4012 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4013
4014         * c-common.c (handle_aligned_attribute, check_function_sentinel,
4015         get_nonnull_operand, handle_sentinel_attribute,
4016         check_function_arguments_recurse): Do not strip NOPS from
4017         INTEGER_CSTs.
4018         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
4019         Likewise.
4020         * c-format.c (get_constant): Likewise.
4021         * c-parser.c (c_parser_postfix_expression): Likewise.
4022         * c-typeck.c (set_init_index): Likewise.
4023         (convert_arguments): Don't check for NOP_EXPR containing integer
4024         constant.
4025
4026 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4027
4028         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
4029         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
4030         Take decomposed arguments of CALL_EXPR.
4031         (fold_builtin_1): Update calls to the functions mentioned
4032         above.
4033
4034 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4035
4036         * c-decl.c (check_bitfield_type_and_width): Require bit-field
4037         width to have integer type.
4038         (build_enumerator): Require enumerator value to have integer type.
4039
4040 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4041
4042         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
4043         to __builtin_inff.
4044
4045 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4046
4047         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
4048         std=iso9899:199x): Correct descriptions.
4049
4050 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4051
4052         * config.gcc: Consistently use solaris2.1[0-9]* instead of
4053         solaris2.1[0-9].
4054
4055 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
4056
4057         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
4058         of CALL_EXPR.
4059         (expand_builtin_memcpy, fold_builtin_1): Update calls to
4060         fold_builtin_memcpy.
4061
4062         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
4063         arguments of CALL_EXPR.
4064         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
4065         fold_builtin_found, fold_builtin_1): Update calls to
4066         fold_trunc_transparent_mathfn.
4067
4068 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4069
4070         PR middle-end/20493
4071         * fold-const.c (fold_widened_comparison): Don't optimize casts of
4072         function pointers on targets that require function pointer
4073         canonicalization.
4074         (fold_sign_changed_comparison): Likewise.
4075
4076 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
4077
4078         * combine.c (try_combine): When changing the mode of a hard reg, make
4079         sure that doing so is valid.
4080
4081 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
4082
4083         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
4084         (TARGET_HANDLE_OPTION): Override default.
4085         (avr_handle_option): New function.
4086         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
4087         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
4088         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
4089         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
4090         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
4091         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
4092         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
4093         (TARGET_OPTIONS): Delete.
4094         * config/avr/avr.opt: New file.
4095
4096 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4097
4098         * config/m32r/m32r-protos.h: Remove the prototypes for
4099         call_address_operand, symbolic_operand, seth_add3_operand,
4100         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4101         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4102         two_insn_const_operand, move_src_operand,
4103         move_double_src_operand, move_dest_operand,
4104         eqne_comparison_operator, signed_comparison_operator,
4105         large_insn_p, conditional_move_operand, carry_compare_operand,
4106         m32r_block_immediate_operand, extend_operand,
4107         reg_or_eq_int16_operand, int8_operand, and
4108         reg_or_zero_operand.
4109         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4110         seth_add3_operand, int8_operand, cmp_int16_operand,
4111         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4112         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4113         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4114         move_double_src_operand, move_dest_operand,
4115         eqne_comparison_operator, signed_comparison_operator,
4116         extend_operand, small_insn_p, large_insn_p,
4117         conditional_move_operand, carry_compare_operand,
4118         m32r_block_immediate_operand): Move to predicates.md.
4119         (MAX_MOVE_BYTES): Move to m32r.h.
4120         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4121         * config/m32r/m32r.md: Include predicates.md.
4122         * config/m32r/predicates.md: New.
4123
4124 2005-03-18  James E Wilson  <wilson@specifixinc.com>
4125
4126         PR c++/19769
4127         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
4128         origin.
4129
4130 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4131
4132         * config/mn10300/mn10300-protos.h: Remove the prototypes for
4133         call_address_operand, const_8bit_operand.
4134         * config/mn10300/mn10300.c (call_address_operand,
4135         const_8bit_operand, const_1f_operand): Move to predicates.md.
4136         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
4137         * config/mn10300/mn10300.md: Include predicates.md.
4138         * config/mn10300/predicates.md: New.
4139
4140 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
4141
4142         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
4143         declarations in diagnostics and %E for identifiers, not %s.
4144
4145 2005-03-18  Jan Hubicka  <jh@suse.cz>
4146             Dale Johannesen  <dalej@apple.com>
4147
4148         * basic-block.h (scale_bbs_frequencies_int,
4149         scale_bbs_frequencies_gcov_type): Declare.
4150         * cfg.c (RDIV): New macro.
4151         (update_bb_frequency_for_threading): Fix.
4152         * basic-block.h (scale_bbs_frequencies_int,
4153         scale_bbs_frequencies_gcov_type): New.
4154         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
4155         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
4156         scale_bbs_frequencies_int.
4157         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
4158
4159 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4160
4161         * config/m32r/m32r-protos.h: Remove the prototypes for
4162         call_address_operand, symbolic_operand, seth_add3_operand,
4163         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4164         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4165         two_insn_const_operand, move_src_operand,
4166         move_double_src_operand, move_dest_operand,
4167         eqne_comparison_operator, signed_comparison_operator,
4168         large_insn_p, conditional_move_operand, carry_compare_operand,
4169         m32r_block_immediate_operand, extend_operand,
4170         reg_or_eq_int16_operand, int8_operand, and
4171         reg_or_zero_operand.
4172         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4173         seth_add3_operand, int8_operand, cmp_int16_operand,
4174         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4175         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4176         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4177         move_double_src_operand, move_dest_operand,
4178         eqne_comparison_operator, signed_comparison_operator,
4179         extend_operand, small_insn_p, large_insn_p,
4180         conditional_move_operand, carry_compare_operand,
4181         m32r_block_immediate_operand): Move to predicates.md.
4182         (MAX_MOVE_BYTES): Move to m32r.h.
4183         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4184         * config/m32r/m32r.md: Include predicates.md.
4185         * config/m32r/predicates.md: New.
4186
4187         * config/pa/pa-protos.h: Add prototypes for magic_milli and
4188         shadd_constant_p.
4189         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
4190         symbolic_operand, symbolic_memory_operand,
4191         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
4192         indexed_memory_operand, move_dest_operand, move_src_operand,
4193         prefetch_cc_operand, prefetch_nocc_operand,
4194         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
4195         arith_operand, arith11_operand, pre_cint_operand,
4196         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
4197         ireg_operand, int5_operand, uint5_operand, int11_operand,
4198         uint32_operand, arith5_operand, and_operand, ior_operand,
4199         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
4200         pc_or_label_operand, div_operand, plus_xor_ior_operator,
4201         shadd_operand, movb_comparison_operator,
4202         cmpib_comparison_operator): Move to predicates.md.
4203         (magic_milli, shadd_constant_p): Make it extern.
4204         * config/pa/pa.h (PREDICATE_CODES): Remove.
4205         * config/pa/pa.md: Include predicates.md.
4206         * config/pa/predicates.md: New.
4207
4208         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
4209         predicate.
4210
4211 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4212
4213         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
4214         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
4215         config/alpha/freebsd.h, config/alpha/linux.h,
4216         config/alpha/netbsd.h, config/alpha/osf5.h,
4217         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
4218         config/h8300/h8300-protos.h, config/h8300/h8300.c,
4219         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
4220         doc/cppopts.texi: Update copyright.
4221
4222 2005-03-18  Jan Hubicka  <jh@suse.cz>
4223
4224         PR middle-end/20225
4225         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
4226         too late.
4227         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
4228         called too late.
4229
4230 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4231
4232         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
4233         VEC_safe_push.
4234
4235 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
4236
4237         * combine.c (gen_binary): Remove.
4238         (known_cond, simplify_shift_const, find_split_point,
4239         combine_simplify_rtx, simplify_if_then_else, simplify_set,
4240         simplify_logical, expand_field_assignment, extract_left_shift,
4241         force_to_mode, if_then_else_cond, apply_distributive_law,
4242         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
4243         simplify_comparison, reversed_comparison): Replace with
4244         simplify_gen_binary, simplify_gen_relational or
4245         distribute_and_simplify_rtx.
4246         (distribute_and_simplify_rtx): New function.
4247
4248 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
4249             Paolo Bonzini  <gcc.gnu.org>
4250
4251         * calls.c (setjmp_call_p, special_function_p): Update comments
4252         at the head of the functions.
4253
4254 2005-03-18  Jan Hubicka  <jh@suse.cz>
4255
4256         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
4257
4258         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
4259         function body should be released; do not proactively release function
4260         bodies in non-unit-at-a-time mode.
4261
4262 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
4263
4264         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
4265         mno-fp-ret-in-387 multilib variants.
4266
4267 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
4268
4269         * common.opt (m): Remove.
4270         * opts.c (handle_option): Pass 'm' options to set_target_switch if
4271         table lookup fails.
4272         (common_handle_option): Remove OPT_m case.
4273
4274 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4275
4276         * builtins.c (fold_builtin_bitop): Take decomposed arguments
4277         of CALL_EXPR.
4278         (fold_builtin_1): Update a call to fold_builtin_bitop.
4279
4280         * builtins.c (fold_builtin_signbit): Take decomposed arguments
4281         of CALL_EXPR.
4282         (fold_builtin_1): Update a call to fold_builtin_signbit.
4283
4284 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
4285
4286         PR tree-optimization/20474
4287         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
4288         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
4289
4290 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4291
4292         * config/h8300/h8300-protos.h: Remove prototypes for
4293         general_operand_src, general_operand_dst, single_one_operand,
4294         single_zero_operand, call_insn_operand,
4295         two_insn_adds_subs_operand, small_call_insn_operand,
4296         jump_address_operand, bit_operand, bit_memory_operand,
4297         stack_pointer_operand, const_int_gt_2_operand,
4298         const_int_ge_8_operand, const_int_qi_operand,
4299         const_int_hi_operand, incdec_operand, bit_operator,
4300         nshift_operator, eqne_operator, gtle_operator,
4301         gtuleu_operator, iorxor_operator.
4302         Add prototypes for h8sx_shift_type h8sx_classify_shift and
4303         h8300_ldm_stm_parallel.
4304         * config/h8300/h8300.c (h8sx_shift_type,): Move to
4305         h8300-protos.h.
4306         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
4307         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
4308         (h8300_ldm_stm_parallel): Make it extern.
4309         (h8300_ldm_parallel, h8300_stm_parallel,
4310         h8300_return_parallel, general_operand_src,
4311         general_operand_dst, h8300_dst_operand, h8300_src_operand,
4312         nibble_operand, reg_or_nibble_operand, single_one_operand,
4313         single_zero_operand, call_insn_operand,
4314         two_insn_adds_subs_operand, small_call_insn_operand,
4315         jump_address_operand, bit_operand, bit_memory_operand,
4316         stack_pointer_operand, const_int_gt_2_operand,
4317         const_int_ge_8_operand, const_int_qi_operand,
4318         const_int_hi_operand, incdec_operand, eqne_operator,
4319         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
4320         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
4321         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
4322         nshift_operator): Move to predicates.md.
4323         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
4324         * config/h8300/h8300.md: Include predicates.md.
4325         * config/h8300/predicates.md: New.
4326
4327 2005-03-17  Richard Henderson  <rth@redhat.com>
4328
4329         * config.gcc (ia64*-*-hpux*): Add extra_options.
4330         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
4331         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4332         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
4333         (ia64_tls_size_string, ia64_tune_string): Remove.
4334         (ia64_tune): Init to PROCESSOR_ITANIUM2.
4335         (TARGET_DEFAULT_TARGET_FLAGS): New.
4336         (TARGET_HANDLE_OPTION): New.
4337         (ia64_override_options): Move options parsing ...
4338         (ia64_handle_option): ... here.  New.
4339         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
4340         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
4341         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
4342         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
4343         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
4344         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
4345         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
4346         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
4347         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
4348         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
4349         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
4350         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
4351         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
4352         TARGET_EARLY_STOP_BITS): Remove.
4353         (TARGET_ILP32): Default false.
4354         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
4355         (enum ia64_inline_type): New.
4356         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4357         * config/ia64/ia64.md: Update for new definitions of
4358         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
4359         * config/ia64/ia64.opt: New file.
4360         * config/ia64/ilp32.opt: New file.
4361
4362 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4363
4364         PR target/18380
4365         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
4366
4367 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4368
4369         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
4370         instead of MASK_H8300S.
4371         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
4372         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
4373         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
4374         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
4375         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
4376         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
4377         TARGET_SWITCHES): Remove.
4378         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
4379         TARGET_H8300SX.
4380         * config/h8300/h8300.opt: New.
4381
4382         * config/alpha/alpha.opt, config/arc/arc.opt,
4383         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
4384         notices.
4385
4386 2005-03-17  Ian Lance Taylor  <ian@airs.com>
4387
4388         * gmon.c: Remove.
4389
4390 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
4391
4392         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
4393         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
4394         (TARGET_HANDLE_OPTION): Override default.
4395         (arc_handle_option): New function.
4396         (arc_init): Remove code to set arch_cpu_string.
4397         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
4398         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
4399         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
4400         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
4401         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
4402         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
4403         (arc_rodata_string, TARGET_OPTIONS): Delete.
4404         * config/arc/arc.opt: New file.
4405
4406 2005-03-17  Richard Henderson  <rth@redhat.com>
4407
4408         * doc/extend.texi (Weak Pragmas): New section.
4409         (attribute alias): Clarify that target must be in the same
4410         translation unit.
4411
4412 2005-03-17  Richard Henderson  <rth@redhat.com>
4413
4414         * config/alpha/alpha.opt: New file.
4415         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
4416         of alpha_cpu.
4417         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
4418         alpha_fprm_string, alpha_fptm_string): Make static.
4419         (alpha_tls_size_string): Remove.
4420         (alpha_handle_option): New.
4421         (override_options): Update for alpha_cpu/alpha_tune split.
4422         (alpha_file_start): Likewise.
4423         (TARGET_DEFAULT_TARGET_FLAGS): New.
4424         (TARGET_HANDLE_OPTION): New.
4425         * config/alpha/alpha.h (alpha_tune): Declare.
4426         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
4427         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
4428         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
4429         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
4430         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
4431         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
4432         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
4433         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
4434         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
4435         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
4436         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
4437         (TARGET_DEFAULT): Remove MASK_FP.
4438         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
4439         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
4440         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
4441         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
4442         alpha_tls_size_string): Remove.
4443         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
4444         (attribute tune): Rename from attribute cpu.
4445         * config/alpha/ev4.md: Update to match.
4446         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
4447         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
4448         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
4449         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
4450         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
4451         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
4452
4453 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
4454
4455         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
4456         and return without creating new state if before_nops_num is nonzero.
4457         * config/ia64/ia64.md (first_insn): New attribute.
4458         (alloc): Set it to yes.
4459
4460 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4461
4462         * tree-vectorizer.c (new_vec_stmt_info): Initialize
4463         STMT_VINFO_SUBVARS to NULL.
4464         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4465
4466 2005-03-16 Dale Johannesen  <dalej@apple.com>
4467
4468         * rtlanal.c (find_first_parameter_load):  Rewrite to
4469         return actual first param load or the call if none,
4470         instead of first in block, when not all loads exist.
4471
4472 2005-03-16  Roger Sayle  <roger@eyesopen.com>
4473
4474         * optabs.c (expand_copysign_absneg): Make static.
4475         * optabs.h (expand_copysign_absneg): Delete prototype.
4476         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
4477
4478 2005-03-16  Richard Henderson  <rth@redhat.com>
4479
4480         PR middle-end/15700
4481         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
4482         (alias_pairs): Rename from output_defs.
4483         (find_decl_and_mark_needed): Split out from assemble_alias.
4484         (do_assemble_alias): New.
4485         (assemble_output_def): Remove.
4486         (finish_aliases_1, finish_aliases_2): New.
4487         (process_pending_assemble_output_defs): Remove.
4488         (assemble_alias): Defer aliases for which we don't yet have a
4489         non-external decl for the target symbol.
4490         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
4491         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
4492         * toplev.c (compile_file): Use finish_aliases_2 instead of
4493         process_pending_assemble_output_defs.
4494         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
4495         (process_pending_assemble_output_defs): Remove.
4496
4497 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4498
4499         Fix PR tree-optimization/20489
4500
4501         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
4502         for empty structures.
4503
4504 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4505
4506         Fix PR tree-optimization/20490
4507
4508         * tree-ssa-pre.c (create_expression_by_pieces): Use
4509         force_gimple_operand on result of fold.
4510
4511 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
4512
4513         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
4514         of closing parenthesis.
4515
4516 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
4517
4518         * builtins.c (expand_movstr): Update a call to
4519         fold_builtin_strcpy.
4520         (expand_builtin_strncpy): Update a call to
4521         fold_builtin_strncpy.
4522         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
4523         arguments of CALL_EXPR.
4524         (fold_builtin_1): Update calls to fold_builtin_strcpy and
4525         fold_builtin_strncpy.
4526         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
4527         * tree.h: Update the prototypes of fold_builtin_strcpy and
4528         fold_builtin_strncpy.
4529
4530 2005-03-16  Steven Bosscher  <stevenb@suse.de>
4531             Dorit Naishlos  <dorit@il.ibm.com>
4532
4533         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
4534         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
4535         error.
4536
4537 2005-03-16  Steven Bosscher  <stevenb@suse.de>
4538
4539         * tree-inline.c (walk_type_fields, walk_tree,
4540         walk_tree_without_duplicates): Move from here...
4541         * tree.c: ...to here.
4542
4543 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
4544
4545         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
4546         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
4547         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
4548         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
4549         (version): Define using $(BASEVER_c).
4550         (Makefile, config.status, build/gcov-iov.o): No longer depends on
4551         version.c.
4552         (version.o): Depend on version files; add custom generation command.
4553         (prefix.o): Define BASEVER on command line.
4554         (s-iov): Depend on version files; adjust command.
4555         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
4556         Add gcc-vers.texi.
4557         (gcc-vers.texi): New rule.
4558         (doc/%.info, doc/%.dvi): Add -I . to command line.
4559         (doc/gccinstall.dvi): Likewise.
4560         (PACKAGE): Delete.  All uses replaced with "gcc".
4561         * aclocal.m4: Do not include gcc-version.m4.
4562         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
4563         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
4564         Set is_release based on contents of DEV-PHASE.
4565         Set gcc_version based on contents of BASE-VER.
4566         Define WIN32_REGISTRY_KEY only if the user overrode the default.
4567         * config.in, configure: Regenerate.
4568         * gccbug.in: Determine version of GCC in use at runtime.
4569         * gcov-iov.c: Get version number and development phase from
4570         command line, not by including version.c.
4571         * intl.c: Replace all uses of PACKAGE with "gcc".
4572         * libada-mk.in: Delete unused "gcc_version" variable.
4573         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
4574         * version.c: (VERSUFFIX): New hook for redistributors; adjust
4575         commentary to match.
4576         (version_string): Put together from pieces.
4577         * config/alpha/x-vms: Do not use $(gcc_version).
4578         * config/i386/t-nwld: Likewise.
4579         * doc/include/gcc-common.texi: Include gcc-vers.texi for
4580         version-GCC and DEVELOPMENT.
4581
4582 2005-03-15  Roger Sayle  <roger@eyesopen.com>
4583
4584         PR tree-optimization/17454
4585         * tree.c (tree_size): Add case for TREE_BINFO.
4586         * fold-const.c (fold_checksum_tree): Only clear the overloaded
4587         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
4588
4589 2005-03-15  Roger Sayle  <roger@eyesopen.com>
4590
4591         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
4592         op1 whilst expanding the signed widenening multiply variant.
4593
4594 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
4595
4596         * toplev.c (display_target_options): Avoid unused variable warning if
4597         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
4598         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
4599         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
4600         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
4601         (mips_isa_info): New variable.
4602         (mips_parse_cpu): Remove the first argument and leave the caller
4603         to report errors.
4604         (TARGET_HANDLE_OPTION): Override default.
4605         (mips_handle_option): New function.  Move option validation code from...
4606         (override_options): ...here.  Update calls to mips_parse_cpu.
4607         * config/mips/mips.h (mips_arch_string, mips_tune_string)
4608         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
4609         (SUBTARGET_TARGET_OPTIONS): Delete.
4610         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
4611         (mno-flush-func, mtune=): New options.
4612
4613 2005-03-15  Roger Sayle  <roger@eyesopen.com>
4614             Richard Henderson  <rth@redhat.com>
4615
4616         * real.c (c4x_single_format, c4x_extended_format): Provide values
4617         for signbit_ro for c4x's single and extended floating point formats.
4618         * optabs.c (expand_copysign): Use the floating point format's
4619         signbit_ro for expanding via expand_copysign_absneg, and it's
4620         signbit_rw field for expanding via expand_copysign_bit.
4621
4622 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
4623
4624         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
4625         known_alignment_for_access_p.
4626         (known_alignment_for_access_p): New.
4627         (do_peeling_for_alignment): Field made int instead of bool and renamed
4628         to peeling_for_alignment.
4629         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
4630         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
4631         functionality used to be in vect_analyze_operations.
4632         (vect_analyze_operations): Code to determine vectorization factor was
4633         moved to vect_determine_vectorization_factor.
4634         (vect_enhance_data_refs_alignment): Update to correct alignment when it
4635         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
4636         factor.
4637         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
4638         be part of vect_analyze_operations).
4639         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
4640         creating the guard condition, as the number of iterations may be
4641         constant.
4642         (slpeel_tree_peel_loop_to_edge): Use new name of
4643         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
4644         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
4645         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
4646         (vect_do_peeling_for_alignment): Use fold.
4647         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
4648
4649         (vect_update_inits_of_dr): Renamed to
4650         vect_update_init_of_dr.
4651         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
4652         (vectorizable_store): Fix assertion to use == instead of =.
4653
4654 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
4655
4656         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
4657         call_used_regs for wCG registers.
4658
4659 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
4660
4661         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
4662         for non-offsettable memory references to cope with outstanding reload
4663         replacements, take 2.
4664
4665 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
4666
4667         PR target/18668
4668         * config/i386/i386.h (x86_fisttp): New.
4669         (TARGET_FISTTP): New macro.
4670         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
4671         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
4672         instruction when fisttp flag is set.
4673         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
4674
4675         * config/i386/i386.md (type attribute): Add fisttp.
4676         (unit attribute): Set to i387 for fisttp type.
4677         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
4678         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
4679         TARGET_FISTTP.
4680         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
4681         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
4682         macros.
4683         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
4684         patterns for TARGET_FISTTP.  Enable patterns for
4685         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
4686         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
4687         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
4688         implement fisttp x87 insn.
4689         (fix_trunc*_i387_fisttp splitters): New patterns.
4690         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
4691         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
4692         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
4693         clobber.
4694         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
4695         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
4696         Implement using mode macros. Disable patterns for TARGET_FISTTP.
4697         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
4698         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
4699         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
4700         Disable patterns for TARGET_FISTTP.
4701         (fix_trunc*_i387 splitters): Implement usign mode macros.
4702         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
4703         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
4704         (fix_trunx*_sse peephole2s): Implement using mode macros.
4705
4706 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
4707
4708         PR rtl-optimization/20291
4709         * combine.c (try_combine): If splitting fails, re-try with
4710         original combined pattern, i.e. before clobber stripping.
4711
4712 2005-03-14  Eric Christopher  <echristo@redhat.com>
4713
4714         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
4715         STACK_GROWS_DOWNWARD.
4716
4717 2005-03-14  Roger Sayle  <roger@eyesopen.com>
4718
4719         * real.h (struct real_format): Split the signbit field into two
4720         two fields, signbit_ro and signbit_rw.
4721         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
4722         mips_double_format, ieee_extended_motorola_format,
4723         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
4724         ieee_extended_intel_128_format, ibm_extended_format,
4725         mips_extended_format, ieee_quad_format, mips_quad_format,
4726         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
4727         i370_double_format, c4x_single_format, c4x_extended_format,
4728         real_internal_format): Update initializers for new field.
4729         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
4730         real_format structure.
4731         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
4732         field of the real_format structure.
4733
4734 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
4735
4736         Fix PR tree-optimization/20458
4737
4738         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
4739         DECL_EXTERNAL on STRUCT_FIELD tags.
4740         (clear_call_clobbered): Ditto.
4741         * tree-ssa-operands.c (note_addressable): Make sure the original
4742         variable doesn't slip into the addressable list if we have
4743         subvars.
4744         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
4745         tags too.
4746
4747 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
4748
4749         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
4750         (-fwide-exec-charset): Likewise.
4751         (-finput-charset): Likewise.
4752         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
4753         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
4754         * c.opt (Wnormalized): New.
4755
4756 2005-03-14  Devang Patel  <dpatel@apple.com>
4757
4758         * doc/invoke.texi: Add reference to Visibility document.
4759
4760 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
4761
4762         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
4763         MASK_SPLIT_ADDRESSES.
4764         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
4765         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
4766         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
4767         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
4768         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
4769         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
4770         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
4771         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
4772         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
4773         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
4774         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
4775         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
4776         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
4777         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
4778         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
4779         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
4780         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
4781         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
4782         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
4783         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
4784         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
4785         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
4786         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
4787         (TARGET_EXPLICIT_RELOCS): Delete.
4788         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
4789         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
4790         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
4791         (override_options): Set MASK_LONG64 if -mint64 is given and no
4792         -mlongXX option is.  Complain about -mint64 -mlong32.
4793         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
4794         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
4795         * config/mips/mips.opt: New file.
4796
4797 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
4798
4799         * config.gcc (extra_options): New variable for listing option files.
4800         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
4801         * configure.ac (extra_opt_files): New AC_SUBST variable.
4802         (tm_file_list, tm_include_list): Include options.h first.
4803         * configure: Regenerate.
4804         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
4805         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
4806         (s-options-h): New rule.
4807         (options.h): Depend on it.
4808         (TEXI_GCCINT_FILES): Add options.texi.
4809         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
4810         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
4811         * target.h (gcc_target): Add default_target_flags and handle_option.
4812         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
4813         (TARGET_HANDLE_OPTION): New macros.
4814         (TARGET_INITIALIZER): Include them.
4815         * opt-functions.awk (opt_args, nth_arg): New functions.
4816         (switch_flags): Handle the "Target" flag.
4817         (var_args): Delete.
4818         (var_name): Use opt_args and nth_arg.
4819         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
4820         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
4821         macros for the "Mask" and "InverseMask" options.
4822         * opts.h (cl_var_cond): New enum.
4823         (cl_option): Replace the "has_set_value" and "set_value" fields with
4824         "var_cond" and "var_value".
4825         (CL_TARGET): New macro.
4826         (option_enabled, print_filtered_help): Declare.
4827         (decode_options): Move definition.
4828         * opts.c (handle_option): Search for the original option before
4829         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
4830         var_cond and var_value fields.  Use targetm.handle_option to handle
4831         target options.
4832         (decode_options): Set target_flags to targetm.default_target_flags.
4833         (print_filtered_help): Make global.  Handle CL_TARGET.
4834         (option_enabled): New function.
4835         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
4836         (display_target_options, set_target_switch, print_switch_values)
4837         (default_pch_valid_p): Guard uses of target_switches with
4838         #ifdef TARGET_SWITCHES.  Also...
4839         (display_target_options): Display the CL_TARGET entries in cl_options.
4840         (set_target_option): Don't complain about the "" option when
4841         TARGET_SWITCHES is undefined.
4842         (print_switch_values): Use option_enabled.
4843         (default_pch_valid_p): Check cl_options[] when looking for something
4844         that has changed the value of target_flags.
4845         * c.opt: Remove documentation from top of file.
4846         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
4847         * doc/sourecebuild.texi: Refer to the new options documentation
4848         instead of c.opt.  Document machine-specific .opt files.
4849         * doc/tm.texi (target_flags): Say that this variable is declared
4850         by options.h.
4851         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
4852         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
4853         an alternative.
4854         * doc/options.texi: New file.
4855
4856 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
4857
4858         PR middle-end/18628
4859         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
4860         register.
4861
4862 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
4863
4864         PR c++/20280
4865         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
4866         temporary variable of pointer type if an lvalues is required.
4867         (gimplify_modify_expr_rhs): Request an rvalue from it.
4868         (gimplify_expr): Pass fallback on.
4869
4870 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
4871
4872         * cfgbuild.c: Update comments.
4873
4874 2005-03-14  Roger Sayle  <roger@eyesopen.com>
4875
4876         PR rtl-optimization/17236
4877         * optabs.c (expand_doubleword_mult): New helper function split out
4878         from expand_binop.  Permute the order in which instructions are
4879         emitted to minimize the number of simultaneously live registers.
4880         (expand_binop): Call expand_doubleword_mult to synthesize a double
4881         word multiplication.
4882
4883 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
4884
4885         * basic-block.h: Update the prototypes of cached_make_edge and
4886         rtl_make_eh_edge.
4887         * cfg.c (cached_make_edge): Take edge_cache representing one
4888         row of the adjacency matrix of edges.
4889         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
4890         (make_edges): Initialize edge_cache to represent one row of
4891         the adjacency matrix of edges.
4892
4893 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
4894
4895         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
4896         New functions.
4897         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
4898         Remove unused removed_phis variable.
4899         (conditional_replacement): Use build1/build2.
4900         (abs_replacement): Use last_and_only_stmt and build1/build2.
4901
4902 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
4903
4904         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
4905         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
4906         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
4907         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
4908         * c-common.c (handle_novops_attribute): New function.
4909         (c_common_attribute_table): Add "no vops" entry.
4910         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
4911         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
4912         * tree-ssa-operands.c (get_call_expr_operands): Do not
4913         create virtual operands for calls with ECF_NOVOPS flag.
4914         * tree.h (DECL_IS_NOVOPS): New macro.
4915         (struct tree_decl): Add novops_flag.
4916         (ECF_NOVOPS): New constant.
4917
4918 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
4919
4920         PR target/17688
4921         * config/i386/i386.c (x86_use_himode_fiop): New.
4922         (x86_use_simode_fiop): Rename from x86_use_fiop.
4923         * config/i386/i386.h (x86_use_himode_fiop): Declare.
4924         (TARGET_USE_HIMODE_FIOP): New.
4925         (x86_use_simode_fiop): Rename from x86_use_fiop.
4926         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
4927
4928         * config/i386/i386.md (X87MODEI12): New mode macro define.
4929         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
4930         to implement x87 FP compare with HImode input operands.
4931         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
4932         Use X87MODEI12 mode macro to handle HImode input operands.
4933         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
4934         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
4935         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
4936         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
4937         macro to implement x87 operators with HImode input operands.
4938         (fop splitters): Use X87MODEI12 mode macro to handle HImode
4939         input operands.
4940
4941 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
4942
4943         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
4944         integer_zerop.
4945         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
4946         constants invariant.
4947
4948 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
4949
4950         * basic-block.h (BB_VISITED): Removed.
4951         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
4952
4953 2005-03-14  Falk Hueffner  <falk@debian.org>
4954
4955         PR bootstrap/20424
4956         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
4957
4958 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
4959
4960         * ggc-zone.c: Fix comment typos.
4961
4962         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
4963         stringpool.c, config/mips/mips-protos.h: Update copyright.
4964
4965 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
4966
4967         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
4968         throughout with its typedef, "rtx".
4969         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
4970         (rs6000_tls_symbol_ref_1): Remove inline keyword.
4971         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
4972         regs in comment to match code.
4973
4974 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
4975
4976         * except.c (check_handled): Make it static.
4977         * except.h: Remove the corresponding prototype.
4978
4979         * function.c (get_func_frame_size): Make it static.
4980         * function.h: Remove the corresponding type.
4981
4982         * regclass.c (reg_class_superclasses, reg_class_subclasses):
4983         Make them static.
4984         * hard-reg-set.h: Remove the corresponding declarations.
4985
4986         * tree-cfg.c (verify_stmts): Check that
4987         bb_for_stmt (stmt) == bb for every PHI node and statement.
4988
4989 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
4990
4991         * config.gcc: Remove excess indentation.
4992         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
4993
4994 2005-03-13  Roger Sayle  <roger@eyesopen.com>
4995
4996         PR middle-end/19331
4997         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
4998         * fold-const.c (fold_sign_changed_comparison): Likewise.
4999         (fold_binary): Optimize comparisons against widened operands if
5000         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
5001
5002 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5003
5004         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
5005         (sparc_override_options): Initialize it.
5006         (sparc_struct_value_rtx): Set it on the MEM to be returned.
5007
5008 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
5009
5010         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
5011         (reg_or_none500mem_operand): New predicate.
5012         (zero_reg_mem_operand): New predicate.
5013         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
5014         to reg_or_none500mem_operand.
5015         (extendsfdf2_fpr): Add MEM alternative.
5016         (extenddftf2_internal): Change operand2 predicate to
5017         zero_reg_mem_operand.
5018
5019 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5020
5021         * ggc-zone.c: Rewritten.
5022
5023         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
5024         if there are none.
5025         * configure.ac: Define GGC_ZONE for --with-gc=zone.
5026         * config.in: Regenerated.
5027         * configure: Regenerated.
5028         * gengtype.c (write_types_process_field, write_func_for_structure):
5029         Pass new argument to gt_pch_note_object.
5030         * ggc-common.c (struct ptr_data): Add TYPE.
5031         (gt_pch_note_object): Take TYPE argument and save it.
5032         (call_count): Update call to ggc_pch_count_object.
5033         (call_alloc): Update call to ggc_pch_alloc_object.
5034         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
5035         file.
5036         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
5037         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
5038         (ggc_alloc_zone_stat): Delete.
5039         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
5040         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
5041         (ggc_pch_alloc_object): Update prototypes.
5042         (garbage_zone): Delete.
5043         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
5044         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
5045         pointers.
5046         (tree_id_zone): New variable.
5047         (ggc_alloc_cleared_zone): Remove unused.
5048         (ggc_alloc_zone): Define.
5049         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
5050         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
5051         ggc_alloc_zone_stat.
5052         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
5053         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
5054         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
5055         (make_node_stat): Likewise.  Use tree_id_zone.
5056
5057 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5058             Joseph S. Myers  <joseph@codesourcery.com>
5059
5060         * configure.ac: Check for MIPS TLS.
5061         * configure: Regenerated.
5062         * config/mips/mips-protos.h (enum mips_symbol_type): Add
5063         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
5064         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
5065         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
5066         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
5067         (mips_classify_symbol, mips_symbolic_constant_p)
5068         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
5069         (mips_tls_operand_p, mips_call_tls_get_addr)
5070         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
5071         (mips_tls_symbol_ref_1): New functions.
5072         (mips_legitimize_address, mips_legitimize_const_move): Call
5073         mips_legitimize_tls_address.
5074         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
5075         for MIPS16.
5076         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
5077         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
5078         (mips_char_to_class): Document V1_REG.
5079         (HAVE_AS_TLS): Provide default.
5080         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
5081         constants.
5082         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
5083         !TARGET_ABICALLS.
5084         (tls_get_tp_<mode>): New instruction.
5085
5086 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5087
5088         * configure.ac: Update checks for target tools.
5089         * configure: Regenerated.
5090
5091 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5092
5093         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
5094
5095 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5096
5097         * expmed.c (expand_mult): Use synthetic multiplication sequences for
5098         more classes of DImode multiplication by constant.  Allow both
5099         multiplication by small negative constants (by performing a
5100         multiplication by a positive constant and negating the result) and
5101         multiplications by large powers of two, by using a left shift.
5102
5103 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5104
5105         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
5106         of basic blocks into work_stack.
5107
5108         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
5109         config/mips/vr.h: Update copyright.
5110
5111         * c-decl.c (c_init_decl_processing): Remove useless calls to
5112         build_function_type.
5113
5114         * builtins.c (fold_trunc_transparent_mathfn,
5115         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
5116         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5117         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
5118         fold_builtin_strcpy, fold_builtin_strncpy,
5119         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
5120         TREE_TYPE (exp).
5121
5122         * builtins.c (expand_builtin_mathfn_3): Remove local variable
5123         before_call.
5124
5125         * lambda-code.c (lambda_compute_auxillary_space): Remove local
5126         variable determinant.
5127
5128         * tree-cfg.c (group_case_labels): Remove local variable type.
5129
5130         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
5131         variable ann.
5132
5133         * tree-ssa-phiopt.c (value_replacement): Remove local variable
5134         result.
5135
5136 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
5137
5138         PR target/18251
5139         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
5140         (*movmemqi_insn): Delete.
5141         (*movmemhi): Delete.
5142
5143 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5144
5145         * builtins.c (fold_builtin_classify): Take decomposed
5146         arguments of CALL_EXPR.
5147         (fold_builtin_1): Update a call to fold_builtin_classify.
5148
5149 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
5150
5151         PR c/20402
5152         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
5153         through into call to parser_xref_tag after parse error.
5154         (c_parser_struct_declaration): Consistently return NULL_TREE on
5155         error.
5156
5157 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
5158
5159         * tree-flow-inline.h (ref_contains_array_ref): New function.
5160         (lookup_subvars_for_var): Ditto.
5161         (get_subvars_for_var): Ditto.
5162         (var_can_have_subvars): Ditto.
5163
5164         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
5165         (struct subvar): New type.
5166
5167         * tree-dfa.c (okay_component_ref_for_subvars): New function.
5168
5169         * tree-optimize.c (init_tree_optimization_passes): Call
5170         pass_create_structure_vars.
5171
5172         * tree-ssa-alias.c: Include vec.h.
5173         (init_alias_info): Don't auto-clear call clobbered on struct-field
5174         tags.
5175         (compute_flow_insensitive_aliasing): Handle subvars.
5176         (group_aliases): Handle STRUCT_FIELD aliases.
5177         (setup_pointers_and_addressables): Ditto.
5178         Don't mark variables non-addressable if they still have
5179         addressable subvars.
5180         Also mark subvars addressable when the real variable is marked
5181         addressable.
5182         (add_pointed_to_var): Try to prune the pointed-to set by only
5183         pointing to subvars when possible.
5184         Otherwise, make sure we set addresses_needed and pt_vars to
5185         properly include subvars.
5186         (bitpos_of_field): New function.
5187         (push_fields_onto_fieldstack): Ditto.
5188         (get_or_create_used_part_for): Ditto.
5189         (create_overlap_variables_for): Ditto.
5190         (find_used_portions): Ditto.
5191         (create_structure_vars): Ditto.
5192         (pass_create_structure_vars): New structure.
5193
5194         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
5195         (get_expr_operands): Handle subvars.  Also try to turn
5196         COMPONENT_REF accesses into must-defs now that we can accurately
5197         portray it.
5198         (note_addressable): Try to only mark as addressable those subvars
5199         we know a COMPONENT_REF touches.
5200         (overlap_subvar): New function.
5201
5202         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
5203         Handle subvar storing.
5204         (vect_address_analysis): Update caller of vect_object_analysis.
5205
5206         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
5207
5208         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
5209         (STMT_VINFO_SUBVARS): New macro.
5210
5211         * common.opts: add flag_tree_salias.
5212
5213         * opts.c (decode_options): flag_tree_salias defaults to on.
5214
5215         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
5216
5217         * doc/tree-ssa.texi: Document structural alias analysis.
5218
5219 2005-03-12  Steven Bosscher  <stevenb@suse.de>
5220
5221         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
5222         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
5223         * tree-ssa-operands.c (get_expr_operands): Likewise.
5224         (get_expr_operands): Likewise for ERROR_MARK.
5225
5226 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5227
5228         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
5229         var.
5230
5231         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
5232         removed_phis.
5233
5234         * tree-ssa-pre.c (compute_avail): Remove local variable val.
5235         (mark_operand_necessary): Remove local variable ver.
5236
5237         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
5238         variable prefix_len.
5239
5240         * value-prof.c (mod_subtract_transform): Remove local variable
5241         value.
5242
5243         * builtins.c (fold_builtin_exponent): Take decomposed
5244         arguments of CALL_EXPR.
5245         (fold_builtin_1): Update a call to fold_builtin_exponent.
5246
5247         * builtins.c (fold_builtin_logarithm): Take decomposed
5248         arguments of CALL_EXPR.
5249         (fold_builtin_1): Update a call to fold_builtin_logarithm.
5250
5251         * c-decl.c (c_init_decl_processing): Remove local variables
5252         ptr_ftype_void and ptr_ftype_ptr.
5253
5254         * gimplify.c (gimplify_expr): Remove local variables r0 and
5255         r1.
5256
5257         * reg-stack.c (move_for_stack_reg): Remove local variable
5258         push_insn.
5259         (compare_for_stack_reg): Remove local variable flags_user.
5260         (convert_regs_1): Remove local variable deleted.
5261
5262         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
5263         variable new_cond.
5264         (combine_blocks): Remove local variables exits and new_e.
5265
5266         * tree-inline.c (expand_call_inline): Remove local variable
5267         decl.
5268
5269         * tree-ssa-live.c (create_ssa_var_map,
5270         calculate_live_on_entry): Remove local variable snn.
5271
5272 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
5273
5274         * c-lex.c (c_lex_with_flags): Add parameter to call to
5275         cpp_spell_token.
5276
5277 2005-03-11  Per Bothner  <per@bothner.com>
5278
5279         * c-tree.h (struct c_declarator): New id_loc field.
5280         * c-pragma.h (c_lex_with_flags): Take position reference.
5281         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
5282         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
5283         (c_lex): Pass dummy location to c_lex_with_flags.
5284         * c-parser.c (c_lex_one_token): Set c_token's location using
5285         c_lex_with_flags, instead of input_location, which might be "ahead".
5286         (c_parser_direct_declarator): Set declarator's id_loc from
5287         c_token's id_loc.
5288         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
5289         declarator's id_loc, rather than probably-imprecise input_location.
5290         (build_id_declarator): Initialize c_declarator's id_loc field.
5291
5292 2005-03-11  Roger Sayle  <roger@eyesopen.com>
5293
5294         PR middle-end/20419
5295         * builtins.c (expand_builtin_signbit): Force the signbit's word
5296         into an integer register to avoid SUBREGs of floating point modes.
5297
5298 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5299
5300         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
5301         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
5302         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
5303         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
5304
5305 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
5306
5307         PR rtl-optimization/20306
5308         * expr.c (emit_move_complex): Set try_int false if mode is
5309         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
5310         emit_block_move if try_int is true.
5311
5312 2005-03-11  Richard Henderson  <rth@redhat.com>
5313
5314         PR target/20415
5315         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
5316         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
5317         to match.
5318
5319 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5320
5321         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
5322         (TARGET_FIX_VR4130): New macro.
5323         (TARGET_OPTIONS): Add -mfix-vr4130.
5324         (ISA_HAS_MACCHI): New macro.
5325         (ASM_SPEC): Add -mfix-vr4130.
5326         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
5327         (override_options): Handle mips_fix_vr4130_string.
5328         (mips_avoid_hazards): Clear all_noreorder_p
5329         if we're working around VR4130 errata and the macc alternatives
5330         are not available.
5331         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
5332         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
5333         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
5334         (MULTILIB_DEFAULTS): Remove leading "march=".
5335         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
5336         if no architecture option is given.
5337         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
5338         VR4130 multilibs.
5339         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
5340         * doc/invoke.texi: Document -mfix-vr4130.
5341
5342 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5343
5344         * config/mips/mips.c (override_options): Only warn about -mint64
5345         deprecation if TARGET_INT64.
5346
5347 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5348
5349         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
5350         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
5351         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
5352         are non-specific regarding the nonnull parameter positions.
5353         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
5354         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
5355         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
5356         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
5357
5358         * builtins.def: Use the non-specific "nonnull" attibute lists.
5359
5360 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5361
5362         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5363         single_pred_edge, single_succ, single_pred): Improve comments.
5364
5365 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5366
5367         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5368         single_pred_edge, single_succ, single_pred): New inline functions.
5369         * bb-reorder.c (rotate_loop, find_traces_1_round,
5370         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
5371         duplicate_computed_gotos): Use the single_succ/pred functions.
5372         * cfganal.c (forwarder_block_p): Ditto.
5373         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
5374         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
5375         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
5376         merge_seq_blocks): Ditto.
5377         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
5378         * cfglayout.c (fixup_reorder_chain): Ditto.
5379         * cfgloop.c (mark_single_exit_loops, update_latch_info,
5380         canonicalize_loop_headers, verify_loop_structure): Ditto.
5381         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
5382         mfb_update_loops, create_preheader, force_single_succ_latches,
5383         create_loop_notes): Ditto.
5384         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
5385         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
5386         commit_one_edge_insertion, purge_dead_edges,
5387         cfg_layout_can_merge_blocks_p): Ditto.
5388         * except.c (sjlj_emit_function_enter): Ditto.
5389         * flow.c (init_propagate_block_info): Ditto.
5390         * function.c (thread_prologue_and_epilogue_insns): Ditto.
5391         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
5392         insert_insn_end_bb): Ditto.
5393         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
5394         find_if_case_2): Ditto.
5395         * lambda-code.c (perfect_nestify): Ditto.
5396         * lcm.c (optimize_mode_switching): Ditto.
5397         * loop-doloop.c (doloop_modify): Ditto.
5398         * loop-init.c (loop_optimizer_init): Ditto.
5399         * loop-iv.c (simplify_using_initial_values): Ditto.
5400         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
5401         * loop-unswitch.c (unswitch_loop): Ditto.
5402         * modulo-sched.c (generate_prolog_epilog): Ditto.
5403         * predict.c (combine_predictions_for_insn, estimate_probability,
5404         tree_estimate_probability, last_basic_block_p,
5405         estimate_bb_frequencies): Ditto.
5406         * profile.c (branch_prob): Ditto.
5407         * regrename.c (copyprop_hardreg_forward): Ditto.
5408         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
5409         * tracer.c (layout_superblocks): Ditto.
5410         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
5411         cfg_remove_useless_stmts_bb, cleanup_control_flow,
5412         cleanup_control_expr_graph, disband_implicit_edges,
5413         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
5414         tree_verify_flow_info, tree_make_forwarder_block,
5415         tree_forwarder_block_p, remove_forwarder_block,
5416         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
5417         * tree-if-conv.c (tree_if_conversion): Ditto.
5418         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
5419         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
5420         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
5421         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
5422         copy_loop_headers): Ditto.
5423         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
5424         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
5425         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
5426         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
5427         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
5428         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
5429         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
5430         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
5431         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
5432         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
5433         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
5434         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
5435         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
5436         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
5437         slpeel_add_loop_guard): Ditto.
5438
5439 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
5440
5441         PR tree-optimization/15784
5442         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
5443         and -1 - A to ~A.
5444
5445         * stmt.c (expand_case): Don't change index_type.  Convert minval
5446         to the proper type.
5447
5448         PR tree-optimization/20130
5449         * fold-const.c (fold): Fold x * -1 into -x.
5450
5451 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
5452
5453         PR rtl-optimization/20331
5454         * rtlanal.c (modified_between_p): Check its address first for MEM.
5455         (modified_in_p): Likewise.
5456
5457 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
5458
5459         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
5460
5461 2005-03-10  Steven Bosscher  <stevenb@suse.de>
5462
5463         * expr.c (expand_expr_real_1): If possible, use a conditional
5464         move for expanding MIN_EXPR and MAX_EXPR.
5465         Use temp for moving around rtx-en.
5466
5467 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
5468
5469         PR rtl-opt/20412
5470         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
5471         correct mode.
5472
5473 2005-03-10  Roger Sayle  <roger@eyesopen.com>
5474
5475         * builtins.c (expand_builtin_signbit): Extend to handle floating
5476         point modes wider than the largest integer type, using the
5477         operand_subword_force function to obtain the signbit's word.
5478
5479 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
5480
5481         PR target/20322
5482         * combine.c (try_combine): If recog_for_combine added CLOBBERs
5483         to NEWI2PAT, fail to combine if they are used by NEWPAT.
5484
5485 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
5486
5487         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
5488
5489 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
5490
5491         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
5492         type void.
5493         (perform_edge_inserts): Unconditionally call
5494         free_dominator_info.
5495
5496         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
5497
5498 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
5499
5500         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
5501
5502 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
5503
5504         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
5505
5506         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
5507         gcc_unreachable.
5508         (rtl_register_value_prof_hooks,
5509         tree_value_profile_transformations,
5510         tree_register_value_prof_hooks): Likewise.
5511         * var-tracking.c (stack_adjust_offset_pre_post,
5512         variable_htab_free, variable_union, dataflow_set_different_2,
5513         count_uses, variable_was_changed, set_frame_base_location,
5514         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
5515         vt_add_function_parameters): Likewise.
5516         * varasm.c (named_section_real, named_section, make_decl_rtl,
5517         asm_emit_uninitialised, assemble_integer, decode_addr_const,
5518         const_hash_1, compare_constant, copy_constant, force_const_mem,
5519         output_constant_pool_2, output_constant_pool_1, output_constant,
5520         output_constructor, make_decl_one_only, decl_tls_model,
5521         default_no_named_section, default_elf_select_section_1,
5522         default_unique_section_1): Likewise.
5523         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
5524         * vmsdbgout.c (addr_const_to_string): Likewise.
5525
5526         PR c++/20375
5527         * function.c (struct assign_parm_data_one): Remove last_named
5528         field.
5529         (assign_parm_find_data_types): Don't determine last_named.
5530         Reorder named_parm determination.
5531         (assign_parms): Only setup varargs on the last non-varadic
5532         parameter.
5533
5534 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
5535
5536         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
5537         sda base address on medium model.
5538
5539 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
5540
5541         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
5542         * cfgloop.c (flow_loop_nodes_find): Export.
5543         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
5544         Declare.
5545         * cfgloopmanip.c (fix_loop_structure): New function.
5546         * predict.c (predict_loops): Clean up the loops information.
5547         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
5548         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
5549         loop structure.
5550         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
5551         (rewrite_into_loop_closed_ssa): Declaration changed.
5552         * tree-loop-linear.c (linear_transform_loops): Add argument to
5553         rewrite_into_loop_closed_ssa call.
5554         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5555         * tree-ssa-loop-im.c (move_computations): Ditto.
5556         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5557         * tree-vectorizer.c (vectorize_loops): Ditto.
5558         * tree-optimize.c: Include cfgloop.h.
5559         (execute_todo): Choose whether to call cleanup_tree_cfg or
5560         cleanup_tree_cfg_loop.
5561         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
5562         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
5563         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
5564         cleanup_tree_cfg_loop call.
5565         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
5566         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
5567         work on part of cfg.
5568
5569 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
5570
5571         PR inline-asm/20314
5572         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
5573         with multiple alternatives.
5574
5575         * stmt.c (parse_output_constraint): Fix a typo.
5576
5577 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
5578
5579         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
5580         assembly directive instead of deprecated "no-generics".
5581
5582 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
5583
5584         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
5585         for non-offsettable memory references to cope with outstanding reload
5586         replacements.
5587         * config/s390/s390.md ("reload_outti"): Call find_replacement to
5588         avoid losing outstanding address reloads.
5589         ("reload_outdi", "reload_outdf"): Likewise.
5590
5591 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5592
5593         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
5594         code.  Add more cbrt transformations.
5595
5596 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5597
5598         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
5599
5600 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
5601
5602         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
5603         NULL_TREE when a given tree is not simplified.
5604         (fold): Return the original tree when any of the functions
5605         mentioned above NULL_TREE.
5606
5607         * fold-const.c (fold_unary, fold_binary): Take decomposed
5608         arguments, code, type, op0, and op1 in case of fold_binary.
5609         (fold): Update calls to fold_unary and fold_binary.
5610
5611 2005-03-09  Roger Sayle  <roger@eyesopen.com>
5612
5613         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
5614         a fndecl and an arglist instead of a CALL_EXPR, exp.
5615
5616 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
5617
5618         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
5619
5620         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
5621
5622         * expr.c (expand_assignment): Remove orig_to_rtx.
5623
5624         * fold-const.c (int_const_binop): Remove no_overflow.
5625
5626         * ifcvt.c (noce_emit_move_insn): Remove inmode.
5627
5628         * loop-iv.c (get_biv_step_1): Remove lhs.
5629
5630         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
5631
5632         * real.c (real_nan): Remove neg.
5633
5634         * function.c (thread_prologue_and_epilogue_insns): Remove i
5635         and newinsn.
5636
5637         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
5638         tb.
5639
5640         * tree-eh.c (tree_could_trap_p): Remove idx.
5641
5642         * tree-into-ssa.c (ann): Remove ann.
5643
5644         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
5645
5646         * tree-sra.c (decide_block_copy): Remove inst_count.
5647
5648         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
5649
5650         * tree-ssa-loop-im.c (lhs): Remove.
5651
5652         * cfgbuild.c (state, STATE, SET_STATE,
5653         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
5654         make_edges.
5655         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
5656         (find_basic_blocks): Set the state of each basic block to
5657         BLOCK_NEW.
5658
5659 2005-03-08  Jeff Law  <law@redhat.com>
5660
5661         * tree-cfg.c (cleanup_control_flow): If removal of a computed
5662         goto results in the removal of edges in the CFG, then we need
5663         to recompute dominators.
5664
5665 2005-03-09  Ben Elliston  <bje@au.ibm.com>
5666
5667         * c-common.c (c_do_switch_warnings): Comment fix.
5668
5669 2005-03-08  Julian Brown  <julian@codesourcery.com>
5670
5671         * Patch from 2005-03-08 reverted for causing regressions and
5672         ppc-darwin bootstrap failure.
5673
5674 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
5675
5676         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
5677         Define the real function for ppc-darwin.
5678         * c-typeck.c (convert_arguments): Check for target-specific
5679         invalid argument call to unprototyped function.
5680         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5681         New Macro.
5682         * target.h (invalid_arg_for_unprototyped_fn): New field
5683         in struct calls.
5684         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
5685         default target hook.
5686         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
5687         Declare.
5688
5689 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5690
5691         * c-typeck.c (constructor_stack, constructor_range_stack,
5692         initializer_stack): Make them static.
5693
5694         * cfg.c (rbi_pool): Make it static.
5695
5696         * gimple-low.c (lower_stmt_body): Make it static.
5697         * tree-flow.h: Remove the corresponding prototype.  Don't
5698         declare lower_data.
5699
5700         * sched-deps.c (cache_size): Make it static.
5701
5702         * stor-layout.c (lang_adjust_rli): Make it static.
5703
5704 2005-03-08  Julian Brown  <julian@codesourcery.com>
5705
5706         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
5707         from being used for symbols with vague linkage when
5708         HAVE_GAS_COMDAT_GROUP is true.
5709
5710 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
5711
5712         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
5713         nlabel == JUMP_LABEL (jump).
5714
5715 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5716
5717         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
5718         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
5719         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
5720         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
5721
5722 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
5723
5724         PR c/14411
5725         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
5726         * c-common.c (handle_returns_twice): New function.
5727         (c_common_attribute_table): Declare eturns_twice' attribute.
5728         * doc/extend.texi: Document eturns_twice' attribute.
5729         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
5730         (struct tree_decl): Add returns_twice_flag.
5731
5732 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5733
5734         * tree-ssa-phiopt.c: Fix a comment typo.
5735
5736         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
5737         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
5738         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
5739         copyright.
5740
5741 2005-03-08  Richard Henderson  <rth@redhat.com>
5742
5743         * config/alpha/alpha.c (code_for_builtin): Replace special-case
5744         builtin codes with ctzdi2, clzdi2, popcountdi2.
5745         (struct alpha_builtin_def): Add is_const.
5746         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
5747         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
5748         (alpha_init_builtins): Init them.  Set nothrow and const attributes
5749         on builtins.
5750         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
5751         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
5752         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
5753         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
5754         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
5755         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
5756         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
5757         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
5758         (TARGET_FOLD_BUILTIN): New.
5759         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
5760         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
5761         (ffsdi2): Use ctz.
5762         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
5763
5764 2005-03-08  Ira Rosen  <irar@il.ibm.com>
5765
5766         PR tree-optimization/20122
5767         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
5768         condition of access function instead of base.
5769
5770 2005-03-07  Jeff Law  <law@redhat.com>
5771             Steven Bosscher  <stevenb@suse.de>
5772
5773         * tree-cfg.c (find_taken_edge_computed_goto): New function.
5774         (find_taken_edge): Call find_taken_edge_computed_goto as
5775         appropriate.  Allow any gimple invariant rather than just
5776         INTEGER_CST for VAL.
5777         (cleanup_control_flow): Cleanup a computed goto which has turned
5778         into a simple goto.
5779         (tree_merge_blocks): If block B has any forced labels, move
5780         them to the start of block A.
5781         * tree-ssa-dom.c (thread_across_edge): Allow threading across
5782         computed gotos as well.
5783         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
5784         removal of unnecessary computed gotos too.
5785         (lookup_redirection_data): Fix type of INSERT argument.  Callers
5786         updated.
5787
5788 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5789
5790         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
5791         Remove trailing spaces.
5792
5793         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
5794         unshare_all_trees): Make them static.
5795         * tree-gimple.h: Remove the corresponding prototypes.
5796
5797         * diagnostic.h: Remove unused prototype
5798         debug_output_buffer.
5799         * modulo-sched.c: Remove unused prototype
5800         set_row_column_for_ps.
5801
5802         * tree-ssa-phiopt.c (tree_ssa_phiopt,
5803         replace_phi_edge_with_variable): Remove unused variable i.
5804
5805 2005-03-07  Per Bothner  <per@bothner.com>
5806
5807         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
5808
5809 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
5810
5811         PR tree-opt/17671
5812         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
5813         bbs on the COND_EXPR instead of the PHI_NODEs.
5814         (candidate_bb_for_phi_optimization): Remove.
5815         (replace_phi_with_stmt): Rename to ...
5816         (replace_phi_edge_with_variable): this and change so that we
5817         replace the phi argument instead of removing the PHI.
5818         (conditional_replacement): Change so we deal with PHI with more
5819         than two arguments.
5820         (value_replacement): Likewise.
5821         (abs_replacement): Likewise.
5822
5823 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
5824
5825         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
5826         output_e500_flip_gt_bit.
5827
5828         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
5829         as bit 31.
5830         (rs6000_generate_compare): Fix logic to look at the correct bits.
5831         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
5832         Look at GT bit.
5833         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
5834         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
5835         gen_move_from_CR_gt_bit.
5836
5837         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
5838         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
5839         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
5840
5841         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
5842         (E500_CR_IOR_COMPARE): New constant.
5843
5844 2005-03-08  Earl Chew <earl_chew@agilent.com>
5845             David Billinghurst <David.Billinghurst@riotinto.com>
5846
5847         * config/i386/host-cygwin.c: New file to support precompiled
5848         headers on cygwin
5849         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
5850         * config.host: Use above files for cygwin host.
5851
5852 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
5853
5854         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
5855         ordering ops from earlier change.
5856
5857 2005-03-07  Per Bothner  <per@bothner.com>
5858
5859         Various fixes to allow us to again build if --enable-mapped-location:
5860         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
5861         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
5862         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
5863         local variable loc. Change logic appropriately.
5864         * tree-vect-transform.c (vect_finish_stmt_generation): Use
5865         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
5866         * c-parser.c (c_parser_for_statement): Initialize loc variable.
5867         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
5868         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
5869
5870 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
5871
5872         PR rtl-optimization/19683
5873         * reload1.c (choose_reload_regs): Pass the number of bits, not the
5874         number of bytes, to smallest_int_for_mode.  Fix arguments to
5875         REG_CANNOT_CHANGE_MODE_P.
5876
5877 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5878
5879         * reorg.c (relax_delay_slots): Check that the jump is
5880         conditional before trying to invert it.
5881
5882 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
5883
5884         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
5885         Make them static.
5886
5887         * calls (stack_arg_under_construction): Make it static.
5888
5889         * flow.c (regs_live_at_setjmp): Make it static.
5890         * flow.h: Remove the corresponding prototype.
5891
5892         * reload1.c (reload_startobj, reload_firstobj,
5893         something_needs_operands_changed, reload_inherited,
5894         reload_inheritance_insn, reload_override_in,
5895         reload_spill_index): Make them static.
5896
5897         * recog.c (verify_changes): Make it static.
5898         * recog.h: Remove the corresponding prototype.
5899
5900         * cfgbuild.c (find_sub_basic_blocks): Remove.
5901         * basic-block.h: Remove the corresponding prototype.
5902         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
5903         in comments.
5904         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
5905
5906         * tree-ssa-operands.c (check_build_stmt): Remove.
5907
5908         * stor-layout.c (set_alignment): Remove.
5909         * tree.h: Remove the corresponding prototype.
5910
5911         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
5912
5913         * tree-ssa-dce.c (control_dependence_map,
5914         visited_control_parents): Make them static.
5915
5916         * cfghooks.c (verify_flow_info): Remove local variable
5917         num_bb_notes.
5918
5919         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
5920         last_bb_seen.
5921
5922         * loop-unswitch.c (unswitch_loop): Remove local variable src.
5923
5924 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
5925
5926         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
5927
5928 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
5929
5930         * config/ia64/hpux.h (LINK_SPEC): Add -z.
5931         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
5932         PARALLEL for an empty structure.
5933
5934 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
5935
5936         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
5937
5938         * fold-const.c (fold_binary): Unroll the very first "for"
5939         loop.
5940
5941 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
5942
5943         * config/rs6000/predicates.md (branch_comparison_operator): Remove
5944         redundant match_code test.
5945         (scc_comparison_operator): Swap match_operand and match_code
5946         tests.
5947         (branch_positive_comparison_operator): Same.
5948         (trap_comparison_operator): Use comparison_operator and swap with
5949         match_code test.
5950
5951 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
5952
5953         PR target/20288
5954         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
5955         (out_movhi_r_mr): Read low byte of volatile MEM first.
5956         (out_movhi_mr_r): Write high byte of volatile MEM first.
5957
5958 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
5959
5960         * cselib.c (reg_values, reg_values_size): Make them static.
5961
5962         * cse.c (cse_reg_info_table): Make it static.
5963
5964         * fold-const.c (fold_unary): Use build1 instead of copy_node.
5965
5966 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
5967
5968         * cse.c (find_best_addr): Use canon_for_address.
5969
5970 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
5971
5972         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
5973         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
5974         SUBREG and MEM, respectively.
5975
5976         * fold-const.c (fold_binary): Use code instead of t.
5977
5978         * fold-const.c (optimize_minmax_comparison): Take decomposed
5979         arguments code, type, op0, and op1 instead of t.
5980         (fold_binary): Update a call to optimize_minmax_comparison.
5981
5982         * fold-const.c (fold_range_test): Take decomposed arguments
5983         code, type, op0, and op1 instead of t.
5984         (fold_binary): Update a call to fold_range_test.
5985
5986         * fold-const.c (fold_binary_op_with_conditional_arg): Take
5987         decomposed arguments code, type, op0, and op1 instead of t.
5988         (fold_binary): Update a call to fold_range_test.
5989
5990 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
5991
5992         * fold-const.c (fold_binary): Avoid directly using the original
5993         expression t as much as possible.
5994
5995 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
5996
5997         * c-semantics.c (build_stmt): Use TYPE_P instead of
5998         IS_NON_TYPE_CODE_CLASS.
5999         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
6000         (NON_TYPE_CHECK): Use TYPE_P instead of
6001         IS_NON_TYPE_CODE_CLASS.
6002
6003         * fold-const.c (fold): Remove handling of binary expressions.
6004
6005 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
6006
6007         * doc/c-tree.texi: Wrap comments in @r{}.
6008         * doc/cpp.texi: Likewise.
6009         * doc/cppinternals.texi: Likewise.
6010         * doc/extend.texi: Likewise.
6011         * doc/md.texi: Likewise.
6012         * doc/objc.texi: Likewise.
6013         * doc/sourcebuild.texi: Likewise.
6014         * doc/tm.texi: Likewise.
6015         * doc/tree-ssa.texi
6016
6017 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6018
6019         * predict.c (apply_return_prediction): Standardize PHI chain
6020         walking.
6021         * tree-ssa.c (ssa_redirect_edge): Likewise.
6022
6023         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
6024         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
6025         Update copyright.
6026
6027         * tree-phinodes.c (remove_phi_node): Drop the last argument.
6028         * tree-flow.h: Adjust the prototype for remove_phi_node.
6029         * lambda-code.c (perfect_nestify): Adjust a call to
6030         remove_phi_node.
6031         * tree-cfg.c
6032         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
6033         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
6034         Likewise.
6035         * tree-ssa-dce.c (remove_dead_phis): Likewise.
6036         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6037         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6038         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
6039
6040         * combine.c (simplify_and_const_int): Use gen_int_mode instead
6041         of GEN_INT (trunc_int_for_mode (...)).
6042         * loop-iv.c (iv_number_of_iterations): Likewise.
6043         * postreload.c (reload_cse_move2add): Likewise.
6044         * simplify-rtx.c (simplify_const_unary_operation,
6045         simplify_const_binary_operation): Likewise.
6046         * stor-layout.c (get_mode_bounds): Likewise.
6047
6048         * fold-const.c (fold_binary): New.
6049         (fold): Call fold_binary on binary expressions.
6050
6051 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
6052
6053         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
6054         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
6055         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
6056         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
6057         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
6058
6059 2005-03-04  Devang Patel  <dpatel@apple.com>
6060
6061         PR tree-optimization/18815
6062         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6063         loops with zero exit edges.
6064
6065 2005-03-04  Devang Patel  <dpatel@apple.com>
6066
6067         * doc/invoke.texi: Remove reference to webpage that does not exist.
6068
6069 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
6070             Joseph S. Myers  <joseph@codesourcery.com>
6071
6072         PR c++/19797
6073         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
6074         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
6075         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
6076         * pa.c (get_plabel): Change argument to symbol_ref.  Call
6077         maybe_get_identifier instead of get_identifier.
6078         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
6079         (struct deferred_plabel): Replace name field with symbol field.
6080         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
6081         ASM_OUTPUT_EXTERNAL_REAL is defined.
6082         (output_global_address): Use output_addr_const for output of all
6083         symbol_refs.
6084         (output_deferred_plabels): Use symbol_ref instead of name for address
6085         output.
6086         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
6087         ASM_OUTPUT_SYMBOL_REF): New macros.
6088         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
6089         comment.
6090         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
6091         label.
6092
6093 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
6094
6095         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
6096         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
6097
6098 2005-03-04  Jeff Law  <law@redhat.com>
6099
6100         * basic-block.h (rediscover_loops_after_threading): Declare.
6101         * tree-ssa-dom.c: Include cfgloop.h.
6102         (tree_ssa_dominator_optimize): Discover loops and some basic
6103         properties.  Remove forwarder blocks recreated by loop header
6104         canonicalization.  Also mark backedges in the CFG.
6105         * tree-ssa-threadupdate.c: Include cfgloop.h
6106         (rediscover_loops_after_threading): Define.
6107         (struct local_info): New field, JUMP_THREADED.
6108         (prune_undesirable_thread_requests): New function.
6109         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
6110         then record that fact for the callers of redirct_edges.
6111         (thread_block): If BB has incoming backedges, then call
6112         prune_undesirable_thraed_requests.    Note when we are
6113         going to have to rediscover loop information.  Return a
6114         boolean indicating if any jumps were threaded.
6115         (thread_through_all_blocks): Bubble up boolean indicating
6116         if any jumps were threaded.
6117         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
6118         (tree-ssa-threadupdate.o): Similarly.
6119
6120 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6121
6122         * fold-const.c (fold_ternary): Unroll the "for" loop to
6123         extract operands.
6124
6125 2005-03-04  Andrew Haley  <aph@redhat.com>
6126
6127         * unwind-dw2-fde-glibc.c (struct
6128         unw_eh_callback_data.check_cache): New field.
6129         (frame_hdr_cache): New.
6130         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
6131         Cache frame header info.
6132
6133 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
6134
6135         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
6136         (print_c_condition): Declare.
6137         * read-rtl.c (ptr_loc): New structure.
6138         (ptr_locs, ptr_loc_obstack, joined_conditions)
6139         (joined_conditions_obstack): New variables.
6140         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
6141         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
6142         (join_c_conditions, print_c_condition): New functions.
6143         (apply_macro_to_string): Associate the new string with the same
6144         source location as the old one.
6145         (add_condition_to_string): Use join_c_conditions.
6146         (read_string): Use set_rtx_ptr_loc to record a filename and line
6147         number for the string.
6148         (read_rtx): Initialize the new variables above.
6149         * genattrtab.c (write_test_expr, write_attr_value): Use
6150         print_c_condition.
6151         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
6152         comment above the GCC_VERSION check.
6153         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
6154         Inline the definition of MAYBE_EVAL.
6155         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
6156         * genoutput.c (process_template): Likewise.
6157         * genpreds.c (write_predicate_subfunction): Likewise.
6158         (write_predicate_expr): Use print_c_condition.
6159         * genrecog.c (write_cond): Likewise.
6160         * gensupport.c (process_rtx): Use join_c_conditions to join the
6161         conditions of a define_insn_and_split.  Record a source location
6162         for the string after the "&&".
6163         (alter_test_for_insn): Use join_c_conditions.
6164
6165 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
6166
6167         Revert for now:
6168         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6169         PR tree-optimization/15784
6170         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6171         and -1 - A to ~A.
6172
6173 2005-03-04  Ben Elliston  <bje@au.ibm.com>
6174
6175         * gcc.c (option_map): Add --coverage.
6176         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
6177         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
6178         * config/darwin.h: Pass -lgcov for `coverage'.
6179         * doc/invoke.texi (Debugging Options): Document --coverage.
6180
6181 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6182
6183         * gcse.c (bypass_block): Use find_edge wherever possible.
6184
6185 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
6186
6187         Fix PR debug/20253
6188
6189         * c-opts.c (c_common_parse_file): Call start_source_file
6190         and end_source_file at the approriate times.
6191
6192         * dwarf2out.c (dwarf2out_finish): Don't auto-end
6193         the main file, it will be done for us now.
6194
6195 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6196
6197         * fold-const.c (fold_ternary): New.
6198         (fold): Call fold_ternary on ternary expressions.  Remove
6199         handling of ternary expressions.
6200
6201 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6202
6203         PR tree-optimization/15784
6204         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6205         and -1 - A to ~A.
6206
6207 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
6208
6209         * config/rs6000/predicates.md (branch_comparison_operator):
6210         Convert from C block to conditional format.
6211
6212 2005-03-03  Jan Hubicka  <jh@suse.cz>
6213
6214         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
6215         and non-constant public variables.
6216
6217 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
6218
6219         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
6220         with LABEL_EXPR.
6221
6222         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
6223         EDGE_I.
6224
6225         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
6226         calls to release_ssa_name and release_phi_node.
6227
6228         * fold-const.c (fold): Remove handling of unary expressions.
6229
6230         * fold-const.c (fold_unary): Avoid directly using the original
6231         expression t as much as possible.
6232
6233 2005-03-03  Roger Sayle  <roger@eyesopen.com>
6234             Andrew Pinski  <pinskia@physics.uc.edu>
6235
6236         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
6237         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
6238
6239 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
6240
6241         Describe special registers SRP and MOF as allocatable registers.
6242         * config/cris/cris.c (cris_md_asm_clobbers): New function.
6243         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
6244         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
6245         TARGET_HAS_MUL_INSNS.
6246         (cris_print_operand) <case 'd'>: New case.
6247         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
6248         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
6249         define.
6250         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
6251         (REG_ALLOC_ORDER): Update for MOF.
6252         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
6253         SPECIAL_REGS.
6254         (GENERAL_REGS): No longer a define of ALL_REGS.
6255         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
6256         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6257         Adjust accordingly.
6258         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
6259         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
6260         (SECONDARY_RELOAD_CLASS): Define.
6261         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
6262         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
6263         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
6264         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
6265         (REGISTER_MOVE_COST): Define.
6266         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
6267         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
6268         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
6269         (CRIS_MOF_REGNUM): New define_constants.
6270         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
6271         special registers.
6272         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
6273         New patterns.
6274         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
6275         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
6276         Adjust for MOF being properly described as a register.
6277         (indir_to_reg_split): Name this split.  Conditionalize on the
6278         destination register being a general register.
6279         (movei): Conditionalize on on operands 0 and 1 having the same
6280         register class.
6281
6282 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
6283
6284         PR target/20277
6285         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
6286         -mcpu to override any other explicitly given flags.
6287
6288 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
6289
6290         * recog.c (verify_changes, confirm_change_group): New functions,
6291         broken out of apply_change_group.
6292         (apply_change_group): Use them.
6293         * recog.h (verify_change, confirm_change_group): Declare.
6294         * rtl.h (redirect_jump_2): Declare.
6295         * jump.c (redirect_exp, invert_exp): Delete.
6296         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
6297         (redirect_jump_2): New function, broken out of redirect_jump.
6298         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
6299         (invert_jump): Use invert_jump_1 and redirect_jump_2.
6300         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
6301
6302 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
6303
6304         * varasm.c (named_section): Use xstrdup rather than doing it by
6305         hand.
6306
6307         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
6308
6309 2005-03-02  Devang Patel  <dpatel@apple.com>
6310
6311         Undo PR tree-optimization/18815 fix.
6312
6313 2005-03-02  Devang Patel  <dpatel@apple.com>
6314
6315         PR tree-optimization/18815
6316         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6317         loops with zero exit edges.
6318
6319 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6320
6321         * cfg.c (connect_src, connect_dest, disconnect_src,
6322         disconnct_dest): New.
6323         (unchecked_make_edge, remove_edge, redirect_edge_succ,
6324         redirect_edge_pred): Use the new functions.
6325
6326         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
6327         free_dominance_info only when needed.
6328
6329 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
6330
6331         PR target/20276
6332         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
6333         (reg_or_sub_cint64_operand): Same.
6334
6335 2005-03-02  Jeff Law  <law@redhat.com>
6336
6337         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
6338         CFG_ALTERED in the main DOM iteration loop.
6339
6340 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
6341
6342         PR c++/19916
6343         * varasm.c (initializer_constant_valid_p): Allow conversions
6344         between OFFSET_TYPEs.  Tidy.
6345
6346 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
6347
6348         * config/cris/cris.md ("return"): Remove epilogue delay list
6349         sanity check.
6350
6351 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
6352
6353         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
6354         for Thumb.
6355         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
6356
6357 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6358
6359         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
6360         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
6361         config/m68k/m68k.c, config/mips/mips.h,
6362         config/rs6000/rs6000-protos.h, doc/contrib.texi,
6363         doc/include/gcc-common.texi: Update copyright.
6364
6365         PR middle-end/18029 and PR middle-end/18030
6366         * expr.c (optimize_bitfield_assignment_op): Add a special case
6367         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
6368
6369         * fold-const.c (fold_unary): New.
6370         (fold): Call fold_unary on unary expressions.
6371
6372 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
6373
6374         * cgraph.h (struct cgraph_edge): Add prev_caller and
6375         prev_callee fields.
6376         (cgraph_node_remove_callees): Export.
6377         * cgraph.c (cgraph_create_edge): Initialize prev_caller
6378         and prev_callee.
6379         (cgraph_edge_remove_callee): New function.
6380         (cgraph_edge_remove_caller): Likewise.
6381         (cgraph_remove_edge): Use.
6382         (cgraph_redirect_edge_callee): Likewise.
6383         (cgraph_node_remove_callees): New function.
6384         (cgraph_node_remove_callers): Likewise.
6385         (cgraph_remove_node): Use.
6386         * tree-optimize.c (tree_rest_of_compilation): Use
6387         cgraph_node_remove_callees instead of manual loop.
6388         * cgraphunit.c (cgraph_finalize_function): Likewise.
6389         (cgraph_expand_function): Likewise.
6390         (cgraph_remove_unreachable_nodes): Likewise.
6391
6392 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
6393
6394         PR c/8927
6395         * c-tree.h (undeclared_variable, build_external_ref): Add extra
6396         argument.
6397         * c-decl.c (undeclared_variable): Take location as argument.
6398         * c-typeck.c (build_external_ref): Likewise.
6399         * c-parser.c (c_parser_postfix_expression): Pass location of
6400         identifier to build_external_ref.
6401
6402 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
6403
6404         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
6405         CCEQ mode for branch_positive_comparison_operator test.
6406         * config/rs6000/predicates (branch_comparison_operator): Revert to
6407         define_predicate.
6408         (scc_comparison_operator): Same.
6409         (branch_positive_comparison_operator): Same.
6410
6411 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
6412
6413         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
6414         (cris_delay_slots_for_epilogue): Remove.
6415         (save_last): Move into cris_target_asm_function_epilogue.
6416         (cris_target_asm_function_epilogue): Remove tests for file being
6417         NULL.
6418         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
6419         (cris_delay_slots_for_epilogue): Remove prototypes.
6420         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
6421         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
6422
6423 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
6424
6425         * config/rs6000/predicates.md (branch_comparison_operator): Change
6426         to define_special_predicate.
6427         (scc_comparison_operator): Same.
6428         (branch_positive_comparison_operator): Same.
6429
6430 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
6431
6432         * Makefile.in (tree-ssa-sink.o): New.
6433         (OBJS-common): Add tree-ssa-sink.o.
6434         * common.opt: Add -ftree-sink
6435         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
6436         * timevar.def (TV_TREE_SINK): new timevar.
6437         * tree-flow.h (is_hidden_global_store): Prototype.
6438         * tree-optimize.c (init_tree_optimization_passes): Add
6439         pass_sink_code.
6440         * tree-pass.h (pass_sink_code): New.
6441         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
6442         for non-obvious global store store to is_hidden_global_store, and
6443         call that new function.
6444         * tree-ssa-sink.c: New file.
6445         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
6446         * doc/passes.texi: Document forward store motion.
6447         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
6448         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
6449         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
6450         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
6451
6452 2005-03-01  Per Bothner  <per@bothner.com>
6453
6454         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
6455         and we have a non-zero column-number, add it to the message.
6456         Also factor out the diagnostic_kind_text.
6457
6458 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
6459
6460         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
6461         flow_loop_pre_header_scan, flow_loop_pre_header_find,
6462         flow_loop_scan): Removed.
6463         (flow_loop_dump): Do not dump removed fields.
6464         (flow_loop_free): Do not free removed fields.
6465         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
6466         (loop_exit_edge_p): New function.
6467         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
6468         num_pre_header_edges, entry_edges, num_entries, exit_edges,
6469         num_exits, exits_doms.
6470         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
6471         LOOP_EDGES, LOOP_ALL): Removed.
6472         (flow_loop_scan): Declaration removed.
6473         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
6474         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
6475         flow_loops_find.
6476         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
6477         (if_convert): Call flow_loops_find and flow_loops_free
6478         when calling mark_loop_exit_edges.
6479         * cfgloopanal.c (mark_loop_exit_edges): Moved from
6480         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
6481         free_dominance_info calls.
6482         * loop-init.c (flow_loops_find): Ditto.
6483         * passes.c (rest_of_handle_branch_prob): Ditto.
6484         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
6485         * loop-unroll.c (analyze_insns_in_loop): Do not use
6486         EDGE_LOOP_EXIT.
6487         * predict.c (predict_loops): Do not call flow_loop_scan.
6488         Use get_loop_exit_edges.
6489         (tree_estimate_probability): Do not pass flags to flow_loops_find.
6490         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
6491         Do not use EDGE_LOOP_EXIT.
6492         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
6493         to bb_with_exit_edge_p.
6494         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
6495         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
6496         to bb_with_exit_edge_p.
6497         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
6498         EDGE_LOOP_EXIT.
6499         * tree-loop-linear.c (linear_transform_loops): Do not call
6500         flow_loop_scan.  Use loop->single_exit.
6501         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
6502         (vect_analyze_loop_form): Do not call flow_loop_scan.
6503         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
6504         loop->single_exit.
6505         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
6506         loop->single_exit.
6507         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
6508         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
6509         slpeel_tree_duplicate_loop_to_edge_cfg,
6510         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
6511         Use loop_preheader_edge and loop->single_exit.  Do not call
6512         flow_loop_scan.
6513
6514 2005-03-01  Nick Clifton  <nickc@redhat.com>
6515
6516         * config/arm/arm.c (thumb_find_work_register): Check all of the
6517         argument registers to see if they are free, and a couple of
6518         special cases where the last argument register but can be proved
6519         to be available during the function's prologue.
6520         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
6521         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
6522         thumb_unexpanded_epilogue): Use unsigned long as the type for the
6523         register bit-mask.
6524         (thumb_compute_save_reg_mask): Likewise.  Also use
6525         thumb_find_work_register() to ensure that there is agreement about
6526         which work register is going to be used in the prologue.
6527         (thumb_output_function_prologue): Use unsigned long as the type
6528         for the register bit-mask.  Also delay pushing the link register if
6529         other high registers are going to be pushed.
6530         (thumb_compute_save_reg_mask, emit_multi_reg_push,
6531         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
6532         redundant prototypes.
6533
6534 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
6535
6536         PR target/19819
6537         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
6538         and after reload in REG+REG indexed addresses without REG_POINTER
6539         set in the base and not set in the index.
6540
6541 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
6542
6543         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
6544         Don't undefine here.
6545         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
6546         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
6547         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
6548         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
6549         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
6550         Delete.
6551         * config.gcc (sh*-*-linux*): Use config/linux.h.
6552
6553 2005-02-28  Dale Johannesen  <dalej@apple.com>
6554             Stan Shebs  <shebs@apple.com>
6555
6556         Rewrite of 64-bit Darwin structure-by-value pass/return.
6557         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
6558         intoffset, use_stack, named.
6559         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
6560         (rs6000_darwin64_record_arg_advance_flush):  New.
6561         (rs6000_darwin64_record_arg_advance_recurse): New.
6562         (rs6000_darwin64_record_arg_flush):  New.
6563         (rs6000_darwin64_record_arg_recurse):  New.
6564         (rs6000_darwin64_record_arg):  New.
6565         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
6566         (function_arg_boundary):  Handle 128-bit aligned structs.
6567         (function_arg_advance):  Rewrite darwin64 struct handling.
6568         (function_arg):  Call rs6000_darwin64_record_arg.
6569         (function_arg_partial_nregs):  Handle darwin64 structs.
6570         (rs6000_darwin64_function_value):  Remove.
6571         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
6572
6573 2005-02-28  Roger Sayle  <roger@eyesopen.com>
6574
6575         PR tree-optimization/20216
6576         * tree-chrec.c (tree_fold_factorial): Delete.
6577         (tree_fold_binomial): Change argument list to take a return type
6578         and change the type of K to unsigned int.  Rewrite to avoid explicit
6579         evaluation of factorials, and (recursively) calling fold to perform
6580         compile-time arithmetic.  Return NULL on (internal) overflow.
6581         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
6582         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
6583         if any intermediate calculation overflows.
6584         (chrec_apply): Update call to chrec_evaluate.
6585
6586 2005-02-28  James E Wilson  <wilson@specifixinc.com>
6587
6588         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
6589
6590 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
6591
6592         PR c/20245
6593         * c-parser.c (c_parser_compound_statement): Return error_mark_node
6594         instead of NULL_TREE on error.
6595
6596 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
6597
6598         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
6599         (EASY_VECTOR_15_ADD_SELF): Remove.
6600         (num_insns_constant_wide): Not static.
6601         (validate_condition_mode): Not static.
6602         (toc_relative_expr_p): Not static.
6603         (legitimate_indirect_address_p): Not static.
6604         (macho_lo_sum_memory_operand): Not static.
6605         (invalid_e500_subreg): Not static.
6606         (easy_vector_same): Not static.
6607         (easy_vector_splat_const): Not static.
6608         (RS6000_SYMBOL_REF_TLS_P): Remove.
6609         (any_operand): Delete.
6610         (any_parallel_operand): Delete.
6611         (count_register_operand): Delete.
6612         (altivec_register_operand): Delete.
6613         (xer_operand): Delete.
6614         (s8bit_cint_operand): Delete.
6615         (short_cint_operand): Delete.
6616         (u_short_cint_operand): Delete.
6617         (non_short_cint_operand): Delete.
6618         (exact_log2_cint_operand): Delete.
6619         (gpc_reg_operand): Delete.
6620         (cc_reg_operand): Delete.
6621         (cc_reg_not_cr0_operand): Delete.
6622         (reg_or_short_operand): Delete.
6623         (reg_or_neg_short_operand): Delete.
6624         (reg_or_aligned_short_operand): Delete.
6625         (reg_or_u_short_operand): Delete.
6626         (reg_or_cint_operand): Delete.
6627         (reg_or_arith_cint_operand): Delete.
6628         (reg_or_add_cint64_operand): Delete.
6629         (reg_or_sub_cint64_operand): Delete.
6630         (reg_or_logical_cint_operand): Delete.
6631         (got_operand): Delete.
6632         (got_no_const_operand): Delete.
6633         (easy_fp_constant): Delete.
6634         (easy_vector_constant): Delete.
6635         (easy_vector_constant_add_self): Delete.
6636         (zero_constant): Delete.
6637         (zero_fp_constant): Delete.
6638         (volatile_mem_operand): Delete.
6639         (offsettable_mem_operand): Delete.
6640         (mem_or_easy_const_operand): Delete.
6641         (add_operand): Delete.
6642         (non_add_cint_operand): Delete.
6643         (logical_operand): Delete.
6644         (non_logical_cint_operand): Delete.
6645         (mask_operand): Delete.
6646         (mask_operand_wrap): Delete.
6647         (mask64_operand): Delete.
6648         (mask64_2_operand): Delete.
6649         (and64_operand): Delete.
6650         (and64_2_operand): Delete.
6651         (and_operand): Delete.
6652         (reg_or_mem_operand): Delete.
6653         (lwa_operand): Delete.
6654         (symbol_ref_operand): Delete.
6655         (call_operand): Delete.
6656         (current_file_function_operand): Delete.
6657         (input_operand): Delete.
6658         (rs6000_nonimmediate_operand): Delete.
6659         (rs6000_tls_symbol_ref): Delete.
6660         (save_world_operation): Delete.
6661         (restore_world_operation): Delete.
6662         (load_multiple_operation): Delete.
6663         (store_multiple_operation): Delete.
6664         (vrsave_operation): Delete.
6665         (mfcr_operation): Delete.
6666         (mtcrf_operation): Delete.
6667         (lmw_operation): Delete.
6668         (stmw_operation): Delete.
6669         (branch_comparison_operator): Delete.
6670         (branch_positive_comparison_operator): Delete.
6671         (scc_comparison_operator): Delete.
6672         (trap_comparison_operator): Delete.
6673         (boolean_operator): Delete.
6674         (boolean_or_operator): Delete.
6675         (min_max_operator): Delete.
6676         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
6677         (EASY_VECTOR_15): Moved to here.
6678         (EASY_VECTOR_15_ADD_SELF): Move to here.
6679         (PREDICATE_CODES): Delete.
6680         * config/rs6000/rs6000-protos.h: Delete predicate functions.
6681         Declare functions no longer static.
6682         * config/rs6000/predicates.md: New.
6683         * config/rs6000/rs6000.md: Include predicates.md
6684
6685 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
6686
6687         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
6688         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
6689         REG_ALWAYS_RETURN.
6690         * cfgrtl.c (need_fake_edge_p): Likewise.
6691         * combine.c (distribute_notes): Likewise.
6692         * emit-rtl.c (try_split): Likewise.
6693         * recog.c (peephole2_opimize): Likewise.
6694         * reg-notes.def (ALWAYS_RETURN): Remove.
6695         * rtl.h (LCT_ALWAYS_RETURN): Remove.
6696         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
6697         * tree.h (ECF_ALWAYS_RETURN): Remove.
6698
6699 2005-02-28  Roger Sayle  <roger@eyesopen.com>
6700
6701         PR middle-end/19874
6702         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
6703         between different machine modes is never a "useless" conversion.
6704
6705 2005-02-28  Geert Bosch  <bosch@gnat.com>
6706
6707         PR ada/15977
6708         * doc/contrib.texi: List contributors for Ada front end
6709
6710 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
6711
6712         * simplify-rtx.c (simplify_unary_operation_1,
6713         simplify_const_unary_operation): New, extracted from...
6714         (simplify_unary_operation): ... this one.
6715         (simplify_binary_operation_1,
6716         simplify_const_binary_operation): New, extracted from...
6717         (simplify_binary_operation): ... this one.
6718         * rtl.h (simplify_const_unary_operation,
6719         simplify_const_binary_operation): Add prototypes.
6720
6721 2005-02-28  Julian Brown  <julian@codesourcery.com>
6722
6723         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
6724         building libjava and caused PR regression/20228.
6725
6726 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
6727
6728         PR bootstrap/17383
6729         * Makefile.in (host_subdir): New.
6730         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
6731         * configure: Regenerate.
6732
6733 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
6734
6735         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
6736         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
6737         installation directory first.
6738
6739 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
6740
6741         PR target/19065.
6742         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
6743         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
6744         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
6745         * config/cris/cris.md: Tweak comments referring to Q.
6746         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
6747         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
6748         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
6749         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
6750         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
6751         Insert spaces in constraints to align alternatives vertically for
6752         readability.
6753         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
6754         operand 1: "M".
6755
6756 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6757
6758         PR rtl-optimization/17728
6759         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
6760         operand 0 from general_operand to move_dest_operand.
6761
6762 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6763
6764         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
6765         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
6766         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
6767         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
6768
6769 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
6770
6771         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
6772         * configure: Regenerate.
6773         * libada-mk.in: Remove CC; rename
6774         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
6775
6776 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
6777
6778         PR tree-opt/20188
6779         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
6780         for the lhs, also walk over the tree.  Likewise for rhs.
6781
6782 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
6783
6784         * tree-ssa-dom.c (simple_iv_increment_p): New function.
6785         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
6786         Do not propagate value of iv before increment over the increment.
6787
6788 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
6789
6790         * c-parser.c: New file.
6791         * c-parse.in: Remove.
6792         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
6793         Remove.
6794         (c-parser.o): Add dependencies.
6795         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
6796         maintainer-clean, TAGS): Update.
6797         * c-config-lang.in (gtfiles): Update.
6798         * gengtype-lex.l: Don't handle "@@".
6799         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
6800         objc_build_synchronized, objc_begin_try_stmt,
6801         objc_begin_catch_clause, objc_finish_catch_clause,
6802         objc_build_finally_clause, objc_finish_try_stmt): New.
6803         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
6804         type_seen_p.
6805         (c_parse_init): Update comment.
6806         * c-decl.c (c_init_decl_processing): Update comment.
6807         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
6808         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
6809         new c_declspecs members.
6810
6811 2005-02-25  Julian Brown  <julian@codesourcery.com>
6812
6813         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
6814         from being used for symbols with vague linkage when
6815         HAVE_GAS_COMDAT_GROUP is true.
6816
6817 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
6818
6819         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
6820
6821 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
6822
6823         PR target/19930
6824         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
6825         (LIBGCC2_HAS_DF_MODE): New.
6826         (LIBGCC2_HAS_XF_MODE): New.
6827         (LIBGCC2_HAS_TF_MODE): New.
6828         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
6829         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
6830         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
6831         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
6832         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
6833         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
6834         and add _fixtfdi, _fixunstfdi, _floatditf
6835         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
6836         L_fixunstfdi, L_floatditf.
6837         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
6838         (LIBGCC2_HAS_TF_MODE): Define.
6839
6840 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
6841
6842         PR tree-optimization/20204
6843         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
6844         REWRITE_THIS_STMT markers on PHI nodes.
6845         (rewrite_initialize_block): Likewise.
6846
6847 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
6848
6849         * version.c (version_string): Update to 4.1.
6850
6851 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
6852
6853         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
6854         Clarify that the alternative way doesn't work in GNU C++.
6855
6856 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6857
6858         PR tree-optimization/19937
6859         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
6860         to the type of the induction variable.
6861
6862 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
6863
6864         PR rtl-optimization/20117
6865         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
6866         the block including noncopyable insn.
6867
6868 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
6869
6870         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
6871         calls to find_reg_note.
6872
6873 2005-02-24  Richard Henderson  <rth@redhat.com>
6874
6875         PR tree-opt/20127
6876         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
6877         the type.
6878
6879 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
6880
6881         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
6882         vector types if to use base reg for misaligned non-word ld/std.
6883
6884 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
6885
6886         PR target/14619
6887         * config/cris/cris.c (cris_target_asm_function_prologue): Create
6888         dwarf2 label manually and put it after, not before the prologue.
6889
6890 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
6891
6892         PR target/19019
6893         * reload.c (operands_match_p): Only increment register number for
6894         SCALAR_INT_MODE_P modes in multiple hard registers.
6895
6896         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
6897         Fix formatting.
6898
6899 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6900
6901         * ChangeLog.5: Fix log message typo(s).
6902         * ChangeLog.7: Likewise.
6903         * ChangeLog.tree-ssa: Likewise.
6904         * cfgexpand.c: Fix comment typo(s).
6905         * conflict.c: Likewise.
6906         * defaults.h: Likewise.
6907         * dwarf2out.c: Likewise.
6908         * gcse.c: Likewise.
6909         * ggc-page.c: Likewise.
6910         * tree-eh.c: Likewise.
6911         * tree-ssa-dom.c: Likewise.
6912
6913 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
6914
6915         PR target/19019
6916         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
6917         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
6918         if SHARED is defined.
6919
6920         PR target/20196
6921         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
6922         allow splitting only if operands 0 and 3 don't overlap.
6923
6924 2005-02-24  Richard Henderson  <rth@redhat.com>
6925
6926         PR middle-end/19953
6927         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
6928         (fold_builtin_1): Call them.
6929         * fold-const.c (fold_complex_mult_parts): Split out from ...
6930         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
6931         (fold_complex_div_parts, fold_complex_div): New.
6932         (fold): Use them.
6933         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
6934
6935 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6936
6937         * tree-ssa-ccp.c (visit_assignment): Verify that result of
6938         VIEW_CONVERT_EXPR is_gimple_min_invariant.
6939
6940         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
6941         (print_node): Likewise.
6942         Print TYPE_SIZES_GIMPLIFIED.
6943
6944 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
6945
6946         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
6947         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
6948         operands as commutative in constraints.
6949
6950 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
6951
6952         * tree-into-ssa.c: Re-organize internal functions.
6953
6954 2005-02-24  Richard Henderson  <rth@redhat.com>
6955
6956         PR middle-end/18902
6957         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
6958         for c99.
6959         * common.opt (fcx-limited-range): New.
6960         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
6961         * toplev.c (flag_complex_method): Initialize to 1.
6962         (process_options): Set flag_complex_method to 0 if
6963         flag_cx_limited_range.
6964         * doc/invoke.texi (-fcx-limited-range): New.
6965
6966 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
6967
6968         * cse.c (delete_trivially_dead_insns): Speed up by using
6969         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
6970         prev_real_insn.
6971
6972 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
6973
6974         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
6975         functions when -mid-shared-library is being used.
6976
6977 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
6978
6979         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
6980         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
6981         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
6982         * system.h: Poison LINK_LIBGCC_SPECIAL.
6983
6984 2005-02-23  James E Wilson  <wilson@specifixinc.com>
6985
6986         * gengtype.c (note_insn_name): Make 1 element larger.
6987
6988 2005-02-23  Roger Sayle  <roger@eyesopen.com>
6989
6990         PR target/20018
6991         PR rtl-optimization/20097
6992         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
6993         BImode SUBREGs of SImode registers which confuse the ia64 backend.
6994
6995 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
6996
6997         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
6998         * t-aix52 (SHLIB_INSTALL): Same.
6999
7000 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
7001
7002         * genpreds.c: Update copyright.
7003
7004 2005-02-23  Michael Beach  <michaelb@ieee.org>
7005
7006         PR target/20159
7007         * config/sparc/t-elf (startup files): Assemble with CPP.
7008
7009 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
7010
7011         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
7012         (write_predicate_expr): Likewise.
7013
7014 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7015
7016         PR tree-optimization/20100
7017         PR tree-optimization/20115
7018         * tree-optimize.c (init_tree_optimization_passes): Remove
7019         pass_maybe_create_global_var.
7020         * tree-pass.h (pass_maybe_create_global_var): Remove.
7021         * tree-ssa-alias.c (aliases_computed_p): Declare.
7022         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
7023         (count_calls_and_maybe_create_global_var): Remove.
7024         (pass_maybe_create_global_var): Remove.
7025         (init_alias_info): Do not declare aliases_computed_p.
7026         (maybe_create_global_var): If the function contains no
7027         call-clobbered variables and a mix of pure/const and regular
7028         function calls, create .GLOBAL_VAR.
7029         Mark all call-clobbered variables for renaming.
7030         (merge_pointed_to_info): Update comment.
7031         (add_pointed_to_var): Likewise.
7032         (is_escape_site): Likewise.
7033         Accept struct alias_info * instead of size_t *.
7034         Update all users.
7035         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
7036         as necessary.
7037         * tree-ssa-operands.c (get_call_expr_operands): If
7038         ALIASES_COMPUTED_P is false, do not add call-clobbering
7039         operands.
7040         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
7041         (delete_tree_ssa): Likewise.
7042
7043 2005-02-22  James E Wilson  <wilson@specifixinc.com>
7044
7045         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
7046         (do_compile): Do call it here.
7047
7048 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7049
7050         PR rtl-optimization/20017.
7051         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
7052         rest_of_handle_cse2, rest_of_handle_gcse): Call
7053         delete_dead_jumptables immediately before calling cleanup_cfg.
7054
7055 2005-02-22  Devang Patel  <dpatel@apple.com>
7056
7057         PR 19952
7058         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
7059         all labels
7060
7061 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
7062
7063         * config/rs6000/aix.h (WINT_TYPE): Define.
7064
7065 2005-02-22  Stan Shebs  <shebs@apple.com>
7066
7067         * config/rs6000/rs6000.c (rs6000_override_options): Default to
7068         natural alignment for 64-bit Darwin.
7069         (rs6000_parse_alignment_option): Warn about uses of -malign-power
7070         on 64-bit Darwin.
7071         * doc/invoke.texi: Document this.
7072
7073 2005-02-22  DJ Delorie  <dj@redhat.com>
7074
7075         * c-common.c (c_common_type_for_mode): Pass the mode's precision
7076         to make_[un]signed_type, not the mode itself.
7077
7078 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7079
7080         * cfg.c (cached_make_edge): Call make_edge if edge cache is
7081         not available.  Use tail calls wherever possible.
7082         (make_edge): Call unchecked_make_edge to create an edge.
7083
7084         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
7085         (coalesce_ssa_name): Don't check for
7086         SSANORM_USE_COALESCE_LIST.
7087         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
7088
7089 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7090
7091         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
7092         (rewrite_into_ssa): ... here.
7093
7094 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
7095
7096         PR tree-optimization/19786
7097         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
7098         tag to another's may-alias bitmap when adding to the other's list.
7099
7100 2005-02-21  DJ Delorie  <dj@redhat.com>
7101
7102         * tree-ssa-loop-ivopts.c (computation_cost): Start register
7103         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
7104         registers in unsupported ways.
7105         * expmed.c (init_expmed): Likewise.
7106
7107 2005-02-21  Stan Cox  <scox@redhat.com>
7108
7109         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
7110
7111 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7112
7113         * tree-cfg.c (fold_cond_expr_cond): New.
7114         (make_edges): Call fold_cond_expr_cond.
7115         (find_taken_edge): Accept nothing but INTEGER_CST.
7116         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
7117         and 1.
7118         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
7119
7120         * flow.c (delete_dead_jumptables): Speed up by scanning insns
7121         that do not belong to any basic block.
7122
7123 2005-02-21  Jeff Law  <law@redhat.com>
7124
7125         * cfganal.c (find_unreachable_blocks): Manually CSE load of
7126         e->dest.
7127
7128 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7129
7130         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
7131         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
7132         Adjust their definitions.
7133         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
7134         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
7135
7136         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
7137         genautomata.c, langhooks.c, langhooks.h, system.h,
7138         config/arm/lib1funcs.asm: Update copyright.
7139
7140 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
7141
7142         * dbxout.c (dbxout_function_end): Emit Lscope label always.
7143
7144 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
7145
7146         PR bootstrap/13770
7147         * doc/install.texi: Document --with-gc.
7148
7149 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
7150
7151         * simplify-rtx.c (simplify_unary_operation): Add a missing
7152         "break" statement.
7153
7154 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7155
7156         PR tree-optimization/18663
7157         * tree-ssa-dom.c (extract_range_from_cond): Return 0
7158         if the type has variable bounds.
7159
7160 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
7161
7162         * gcse.c: Remove an obsolete comment.
7163
7164         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
7165
7166 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
7167
7168         * doc/extend.texi (Function Attributes) <Attribute const>: The
7169         attribute "pure" is below this text, not above.
7170
7171 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7172
7173         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
7174         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
7175         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
7176
7177 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
7178
7179         PR 18785
7180         * langhooks.h (struct lang_hooks): Add to_target_charset.
7181         * langhooks.c (lhd_to_target_charset): New function.
7182         * langhooks-def.h: Declare lhd_to_target_charset.
7183         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
7184         (LANG_HOOKS_INITIALIZER): Update.
7185         * c-common.c (c_common_to_target_charset): New function.
7186         * c-common.h: Declare it.
7187         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
7188         c_common_to_target_charset.
7189
7190         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
7191         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
7192         Delete definitions.
7193         * system.h: Poison them.
7194         * doc/tm.texi: Don't discuss them.
7195         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
7196         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
7197         (pp_c_char): Do not attempt to generate letter escapes for
7198         newline, tab, etc.
7199         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
7200         * config/mips/mips.c (mips_output_ascii): Likewise.
7201
7202 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
7203
7204         PR tree-optimization/19951
7205         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
7206         is abnormal.
7207
7208 2005-02-19  Steven Bosscher  <stevenb@suse.de>
7209
7210         PR middle-end/19698
7211         * function.h (struct function): New field `max_loop_depth'.
7212         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
7213         (flow_loops_find): Reset the max loop depth count before finding loops.
7214         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
7215         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
7216         (calculate_global_regs_live): Make sure the loop will terminate
7217         when the initial sets are not empty.
7218
7219 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
7220
7221         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
7222         object inside.
7223         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
7224
7225 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
7226
7227         PR other/19525
7228         * doc/invoke.texi: Remove documentation of %M spec.
7229         * gcc.c: Likewise.
7230         (init_spec): Remove %M suffix from -lgcc_s.
7231         (do_spec_1): Remove 'M' case.
7232         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
7233         to put shared libraries in the multilib directory.  Remove the
7234         shlib_so_soname substitution variable.  Don't add a multilib encoding
7235         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
7236         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
7237         SHLIB_INSTALL as well as SHLIB_LINK.
7238         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
7239         (SHLIB_NAME): Delete.
7240         (SHLIB_DIR): New macro.
7241         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
7242         (SHLIB_INSTALL): Adjust accordingly.
7243         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
7244         * config/t-slibgcc-sld: Likewise.
7245         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
7246         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
7247         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
7248         in $(SHLIB_DIR).
7249         (SHLIBUNWIND_INSTALL): Adjust accordingly.
7250         * config/i386/t-nwld (SHLIB_SONAME): Delete.
7251         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
7252         Use @shlib_base_name@ instead of @shlib_so_name@.
7253         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
7254         and @shlib_base_name@.so in @multilib_dir@.
7255         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
7256         to the install path.
7257         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
7258         (SHLIB_LINK): Remove previous workaround.
7259         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
7260         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
7261         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
7262         the install path.
7263         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
7264         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
7265         (SHLIB_INSTALL): Adjust accordingly.
7266         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
7267         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
7268         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
7269         config/t-slibgcc-elf-ver.
7270
7271 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
7272             Jakub Jelinek  <jakub@redhat.com>
7273
7274         PR tree-optimization/19828
7275         * tree-ssa-loop-im.c: Add a TODO comment.
7276         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
7277         without side-effects.
7278
7279 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7280
7281         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
7282         call fold_convert.
7283
7284 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
7285
7286         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
7287         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
7288         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
7289         functions.
7290         (ia64_reorg): Delete fixup_errata call.
7291         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
7292         (TARGET_SWITCHES): Delete -mb-step entry.
7293
7294 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
7295
7296         PR c/20043
7297         * c-typeck.c (composite_type): Handle quals in transparent unions.
7298         (type_lists_compatible_p): Likewise.
7299
7300 2005-02-18  Stan Shebs  <shebs@apple.com>
7301
7302         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
7303         expressions in the .literal8 section.
7304
7305 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
7306
7307         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
7308
7309 2005-02-18  Roger Sayle  <roger@eyesopen.com>
7310
7311         * fold-const.c (constant_boolean_node): Always create values of the
7312         specified type, don't bother calling truthvalue_conversion.
7313
7314 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7315
7316         * except.c (output_function_exception_table): Call
7317         assemble_external_libcall (eh_personality_libfunc).
7318
7319 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7320
7321         PR target/19886
7322         * config/ia64/ia64.h (struct machine_function): Add state_num.
7323         * config/ia64/ia64.c (process_epilogue,
7324         process_for_unwind_directive): Use new unwind state numbers each
7325         time rather than state 1.
7326
7327 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
7328
7329         PR target/20054
7330         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
7331         before the "*llgt_didi" pattern.
7332
7333 2005-02-18  Jason Merrill  <jason@redhat.com>
7334
7335         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
7336
7337 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
7338
7339         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
7340         (div0): Use it in place of ARM_FUNC_ALIAS.
7341         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
7342
7343 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
7344
7345         PR middle-end/20030
7346         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
7347         access, the lower bound of the array type if it exists.
7348
7349 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
7350
7351         PR c++/20008
7352         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
7353         cases that are out-of-range for the index type.
7354
7355 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7356
7357         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
7358         (estimate_case_costs): Don't call convert.
7359         * expmed.c (expand_shift): Likewise.
7360         (make_tree): Call fold_convert instead of convert.
7361
7362 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7363
7364         PR c++/19813
7365         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
7366         that ref to be marked MEM_READONLY_P doesn't have base that needs
7367         constructing.
7368
7369 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7370
7371         * genautomata.c (output_get_cpu_unit_code_func,
7372         output_cpu_unit_reservation_p): Don't generate old-style function
7373         definitions.
7374
7375 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7376
7377         PR c++/20023
7378         PR tree-optimization/20009
7379         * convert.c (convert_to_integer): Revert 2005-02-16 change.
7380
7381         PR tree-optimization/18947
7382         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
7383         inline, remove all nodes that are inlined into the extern inline
7384         being redefined.
7385
7386 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
7387
7388         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
7389         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
7390         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
7391         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
7392         Update copyright.
7393
7394 2005-02-17  Roger Sayle  <roger@eyesopen.com>
7395
7396         PR tree-optimization/19917
7397         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
7398         to be potentially trapping.
7399
7400 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
7401
7402         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
7403
7404 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7405
7406         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
7407         tem becomes a local variable which is set to the value of the
7408         back end defined INITIAL_FRAME_ADDRESS macro.
7409         (expand_builtin_frame_address): Omit the base parameter to
7410         expand_builtin_return_addr.
7411         (expand_builtin_profile_func): Likewise.
7412         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
7413         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
7414         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
7415
7416 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
7417
7418         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
7419         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
7420         * config/frv/frv.c (frv_function_epilogue): Likewise.
7421
7422 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
7423
7424         * lambda-code (perfect_nestify): Remove mark/unmark
7425         for rewriting hack.
7426         * tree-loop-linear.c (linear_transform_loops): Add
7427         rewrite_into_ssa call so that ssa is correct for
7428         rewriting into loop closed.
7429
7430 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
7431
7432         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
7433         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
7434         BITMAP_FREE.
7435         * bt-load.c (btr_def_live_range, combine_btr_defs,
7436         migrate_btr_def, migrate_btr_defs): Likewise.
7437         * cfgcleanup.c (thread_jump): Likewise.
7438         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
7439         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
7440         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
7441         df_rd_local_compute, df_reg_info_compute): Likewise.
7442         * dominance.c (init_dom_info, free_dom_info): Likewise.
7443         * flow.c (init_propagate_block_info,
7444         free_propagate_block_info): Likewise.
7445         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
7446         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
7447         modify_reg_pav): Likewise.
7448         * loop-invariant.c (find_defs, find_invariant_insn,
7449         find_invariants, free_inv_motion_data): Likewise.
7450         * predict.c (tree_predict_by_opcode,
7451         estimate_bb_frequencies): Likewise.
7452         * stmt.c (expand_case): Likewise.
7453         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
7454         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
7455         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
7456         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
7457         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
7458         rewrite_ssa_into_ssa): Likewise.
7459         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7460         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
7461         analyze_edges_for_bb, perform_edge_inserts): Likewise.
7462         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
7463         * tree-sra.c (tree_sra): Likewise.
7464         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
7465         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
7466         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
7467         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
7468         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
7469         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
7470         Likewise.
7471         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
7472         calculate_live_on_entry, calculate_live_on_exit,
7473         build_tree_conflict_graph): Likewise.
7474         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
7475         record_important_candidates, set_use_iv_cost, find_depends,
7476         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
7477         tree_ssa_iv_optimize_finalize): Likewise.
7478         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
7479         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
7480         tree_duplicate_loop_to_header_edge): Likewise.
7481         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
7482         * tree-ssa.c (verify_flow_insensitive_alias_info,
7483         verify_name_tags, verify_ssa, init_tree_ssa,
7484         delete_tree_ssa): Likewise.
7485         * tree-ssanames.c (marked_ssa_names, init_ssanames,
7486         fini_ssanames): Likewise.
7487         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
7488
7489 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
7490
7491         * config/rs6000/t-rtems: Completely reworked.
7492
7493 2005-02-17  Ira Rosen  <irar@il.ibm.com>
7494
7495         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
7496
7497 2005-02-17  Ira Rosen  <irar@il.ibm.com>
7498
7499         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
7500         POINTER_TYPE_P when checking that type is a pointer.
7501         (vect_get_memtag): Remove.
7502         (vect_address_analysis): Use POINTER_TYPE_P. Call
7503         vect_object_analysis with dummy parameter for memtag.
7504         (vect_object_analysis): Extract memtag (functionality that
7505         used to be in vect_get_memtag and moved here). Fix printings.
7506         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
7507         with correct parameters. Remove call to vect_get_memtag.
7508
7509 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
7510
7511         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
7512         (tree-vectorizer.o): Added missing dependencies.
7513
7514         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
7515         decleration.
7516         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
7517         declaration in tree-vectorizer.c, now has an extern declaration in
7518         tree-vectorizer.h).
7519         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7520         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
7521         get_vectype_for_scalar_type, vect_is_simple_use,
7522         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
7523         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
7524         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
7525         vectorizable_store, vectorizable_operation, vectorizable_assignment,
7526         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
7527         find_loop_location): Likewise.
7528
7529         * tree-vectorizer.c (langhooks.h): #include removed.
7530         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
7531         moved to tree-vectorized.h.
7532         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7533         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
7534         get_vectype_for_scalar_type, vect_is_simple_use,
7535         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
7536         vect_supportable_dr_alignment, new_loop_vec_info,
7537         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
7538         vect_set_verbosity_level, find_loop_location): Likewise.
7539
7540         (vect_analyze_loop): Function externalized. Declaration moved to
7541         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
7542         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
7543         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
7544         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
7545         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
7546         vect_enhance_data_refs_alignment, vect_analyze_operations,
7547         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
7548         vect_stmt_relevant_p, vect_get_loop_niters,
7549         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
7550         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
7551         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
7552         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
7553         vect_get_memtag): Likewise.
7554
7555         (vectorizable_load): Function externalized. Declaration moved to
7556         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
7557         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
7558         vect_transform_loop): Likewise.
7559         (vect_transform_stmt): Moved to tree-vect-transform.c.
7560         (vect_align_data_ref, vect_create_destination_var,
7561         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
7562         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
7563         vect_get_vec_def_for_operand, vect_init_vector,
7564         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
7565         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
7566         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
7567         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
7568         vect_do_peeling_for_loop_bound): Likewise.
7569
7570         * tree-vect-analyze.c: New file.
7571         * tree-vect-transform.c: New file.
7572
7573 2005-02-17  Jason Merrill  <jason@redhat.com>
7574
7575         PR mudflap/19319, c++/19317
7576         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
7577         slot explicit.
7578
7579 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
7580
7581         * doc/install.texi (Specific): Update link for Darwin-specific
7582         tool binary site.
7583
7584 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
7585
7586         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
7587         constant_boolean_node.
7588
7589 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
7590
7591         PR target/19019
7592         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
7593         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
7594
7595 2005-02-16  Richard Henderson  <rth@redhat.com>
7596
7597         PR 19920
7598         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
7599         with W_TYPE_SIZE.
7600         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
7601         replace uses with Wtype_MAXp1_F.
7602         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
7603         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
7604         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
7605         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
7606         and HAVE_TFMODE as appropriate.
7607         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
7608         (__floatdisf): Likewise.
7609         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
7610         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
7611         (Wtype_MAXp1_F): New.
7612         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
7613         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
7614
7615 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
7616
7617         * PR target/19162
7618         * arm.c (arm_apply_result_size): New function.
7619         * arm.h (APPLY_RESULT_SIZE): Define.
7620         * arm-protos.h (arm_apply_result_size): Add prototype.
7621         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
7622         (movxf): New expand.
7623         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
7624         (call_value_symbol): Remove predicate for operand 0.
7625         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
7626         (untyped_call): Rework to correclty return values for any type.
7627         (untyped_return): New expand.
7628         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
7629
7630 2005-02-16  Stan Shebs  <shebs@apple.com>
7631
7632         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
7633         * config/rs6000/t-darwin8: New, for 64-bit multilib.
7634
7635 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
7636
7637         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
7638         configure settings on Solaris 7 and later.
7639
7640 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
7641
7642         PR tree-optimization/19865
7643         * tree-optimize.c (init_tree_optimization_passes): Run
7644         pass_may_alias after pass_sra.
7645
7646 2005-02-16  Richard Henderson  <rth@redhat.com>
7647             Stuart Hastings  <stuart@apple.com>
7648
7649         PR debug/19521
7650         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
7651         Do nothing if debug info suppressed for this function.
7652         (dbxout_begin_function): Early exit if debug info suppressed for
7653         this function.
7654
7655 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
7656
7657         PR target/20007
7658         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
7659         find_basic_blocks.
7660         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
7661
7662         PR tree-optimization/19967
7663         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
7664         expand_builtin_strchr, expand_builtin_strrchr): Take a new
7665         argument TYPE.  Adjust calls to fold_builtin_XXX.
7666         (expand_builtin, fold_builtin_1): Adjust calls to
7667         expand_builtin_XXX.
7668         (fold_builtin_strchr, fold_builtin_strpbrk,
7669         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
7670         result to a requested type TYPE.
7671
7672 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
7673
7674         PR middle-end/19857
7675         * fold-const.c (fold): Don't optimize (T)(x & cst) to
7676         (T)x & (T)cst if (T)cst overflows.
7677         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
7678         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
7679
7680 2005-02-15  Jeff Law  <law@redhat.com>
7681
7682         * gcse.c (blocks_with_calls): New bitmap.
7683         (alloc_gcse_mem): Allocate it.
7684         (free_gcse_mem): Free it.
7685         (clear_modifY_mem_tables): Clear it.
7686         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
7687         when we encounter CALL_INSNs.
7688         (compute_transp, case MEM): Handle blocks with calls separate
7689         from blocks without calls.  Use bitmap iterators rather than
7690         FOR_EACH_BB.
7691
7692 2005-02-15  Peter O'Gorman  <peter@pogma.com>
7693
7694         PR bootstrap/18810
7695         * mklibgcc.in (vis_hide): Use a temporary object file, not
7696         -o /dev/null.
7697
7698 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
7699
7700         PR target/19924
7701         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
7702         access optimization.
7703
7704 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
7705             Alan Modra  <amodra@bigpond.net.au>
7706
7707         PR target/19019
7708         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
7709         (_xlqsub): Rename to __gcc_qsub.
7710         (_xlqmul): Rename to __gcc_qmul.
7711         (_xlqdiv): Rename to __gcc_qdiv.
7712         Provide versioned symbol aliases with old names.
7713         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
7714         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
7715         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
7716         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
7717         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
7718
7719 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
7720
7721         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
7722         Fold ~(A - 1) and ~(A + -1) to -A.
7723
7724 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
7725
7726         PR pch/14940
7727         PR target/19300
7728         * config/host-linux.c (linux_gt_pch_use_address): Copy from
7729         config/pa/pa-host.c:pa_gt_pch_use_address.
7730
7731 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
7732
7733         * tree-vn.c (get_value_handle): Make sure that given an
7734         is_gimple_min_invariant expression, we always return it.
7735
7736 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
7737
7738         * passes.c (rest_of_handle_gcse): Fix a comment.
7739
7740 2005-02-15  Jeff Law  <law@redhat.com>
7741
7742         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
7743         bitmap.
7744         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
7745         (canon_list_insert, record_last_mem_set_info): Similarly.
7746         (clear_modify_mem_tables): Similarly.
7747
7748 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
7749
7750         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
7751         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
7752         config/mips/mips.md, config/rs6000/aix.h,
7753         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
7754
7755 2005-02-15  Richard Henderson  <rth@redhat.com>
7756
7757         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
7758         call to be best_edge.
7759
7760 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
7761
7762         * basic-block.h: Adjust the prototype for find_basic_blocks.
7763         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
7764         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
7765         find_basic_blocks.
7766
7767         * flow.c (recompute_reg_usage): Remove all arguments.
7768         * passes.c (rest_of_compilation): Adjust the call to
7769         recompute_reg_usage.
7770         * rtl.h: Adjust the prototype for recompute_reg_usage.
7771
7772 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
7773
7774         * tree-dump.c (dump_files): Update to reflect new member
7775         of dump_file_info.
7776         (dump_register): Add new argument.
7777         Set glob name.
7778         (dump_switch_p_1): Check against glob name if doglob was passed.
7779         (dump_switch_p): Check against regular first, then glob if
7780         we didn't have any hits on the dump name.
7781         * tree-optimize.c (register_one_dump_file):
7782         Pass in glob name as well.
7783         * tree-pass.h (struct dump_file_info): Add glob
7784         member.
7785
7786 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
7787
7788         PR preprocessor/16323
7789         * doc/invoke.texi: Document that -Wendif-labels is on by default.
7790
7791 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
7792
7793         PR target/19019
7794         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
7795         (trunctfdf2_internal1): New.
7796         (trunctfdf2_internal2): Renamed from trunctfdf2.
7797
7798 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
7799
7800         PR tree-optimization/19853
7801         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
7802
7803 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
7804
7805         * passes.c (rest_of_handle_loop_optimize): Remove calls to
7806         delete_dead_jumptables and cleanup_cfg.
7807
7808 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
7809
7810         * reload.c (find_reloads): Swap address_reloaded flags when
7811         swapping commutative operands.
7812
7813 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
7814
7815         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
7816         Use standard_iv_increment_position for computing the bsi position
7817         for create_iv.
7818         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
7819         the bsi position.
7820
7821 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
7822
7823         PR target/17428
7824         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
7825         life range of hard registers.
7826         * value-prof.c (insn_prefetch_values_to_profile): Only
7827         scan normal insns.
7828
7829         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
7830         profile in libcalls.
7831
7832 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
7833
7834         * bitmap.h (bitmap_and_compl_into): Return bool.
7835         * bitmap.c (bitmap_and_compl_into): Return changed flag.
7836
7837 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
7838
7839         PR tree-optimization/19944
7840         * fold-const.c (fold): Re-add ABS_EXPR folding.
7841
7842 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
7843
7844         PR target/19019
7845         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
7846         {TARGET,MASK}_XL_COMPAT.
7847         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
7848         MASK_XL_COMPAT.
7849         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
7850         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
7851         TARGET_XL_COMPAT.
7852         (rs6000_arg_partial_bytes): Same.
7853         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
7854         and XL compatibility enabled.
7855         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
7856         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
7857         test to final condition.
7858         (cmptf_internal2): New.
7859         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
7860         xl-compat.  Add TFmode information to description.
7861
7862 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
7863
7864         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
7865
7866 2005-02-13  Jason Merrill  <jason@redhat.com>
7867
7868         PR c++/16405
7869         * fold-const.c (fold_indirect_ref_1): Split out from...
7870         (build_fold_indirect_ref): Here.
7871         (fold_indirect_ref): New fn.
7872         * tree.h: Declare it.
7873         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
7874         (gimplify_modify_expr_rhs): Likewise.
7875         (gimplify_expr): Likewise.
7876
7877 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
7878
7879         PR tree-optimization/14303
7880         PR tree-optimization/15784
7881         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
7882         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
7883         ABS_EXPR<x> != 0 to x != 0.
7884
7885 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
7886
7887         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
7888         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
7889         spelling conventions.
7890
7891         * passes.c (rest_of_handle_gcse): Don't run cse_main and
7892         delete_trivially_dead_insns too many times.
7893
7894         * passes.c (rest_of_handle_gcse): Remove dead assignments to
7895         tem and tem2.
7896
7897 2005-02-12  Ira Rosen  <irar@il.ibm.com>
7898
7899         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
7900         (vect_is_simple_iv_evolution): Remove redundant parameter
7901         and step check.
7902         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
7903         without last parameter.
7904         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
7905         Return pointer step. Call vect_is_simple_iv_evolution without
7906         last parameter. Check only that the step is multiple of size
7907         type. Remove stmt_vinfo updates.
7908         (vect_get_memtag_and_dr): Remove.
7909         (vect_get_memtag): New function.
7910         (vect_address_analysis): New function.
7911         (vect_object_analysis): New function.
7912         (vect_analyze_data_refs): Call vect_object_analysis and
7913         vect_get_memtag. Update stmt_vinfo fields.
7914
7915 2005-02-12  Ira Rosen  <irar@il.ibm.com>
7916
7917         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
7918         exist and are objects. Remove checks for pointer.
7919         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
7920         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
7921         (vect_create_data_ref_ptr): Likewise.
7922         (vect_base_addr_differ_p): New function.
7923         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
7924         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
7925         Don't set the DR_BASE_NAME field of data-ref.
7926         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
7927
7928 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
7929
7930         * optabs.h (enum optab_index): Add new OTI_ldexp.
7931         (ldexp_optab): Define corresponding macro.
7932         * optabs.c (init_optabs): Initialize ldexp_optab.
7933         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
7934         patterns.
7935         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
7936         using ldexp_optab.
7937         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
7938         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
7939
7940         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
7941         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
7942         intrinsics.
7943
7944 2005-02-12  Ira Rosen  <irar@il.ibm.com>
7945
7946         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
7947         to base_address.
7948         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
7949         stmt_vec_info.
7950         (vect_get_base_and_offset): Always return an address.
7951         (vect_create_addr_base_for_vector_ref): Remove treatment for
7952         different data reference types.
7953         (vect_compute_data_ref_alignment): Rename base to base_address in
7954         stmt_vec_info. Get the object in order to force its alignment.
7955         (vect_get_memtag_and_dr): Rename base to base_address in
7956         stmt_vec_info. Extract the object for memtag analysis.
7957
7958 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
7959
7960         PR regression/19898.
7961         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
7962         changes cc_status, use apply modified_in_p to part of cc_status
7963         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
7964         body.
7965
7966 2005-02-11  Richard Henderson  <rth@redhat.com>
7967
7968         * tree-complex.c (expand_complex_libcall): New.
7969         (expand_complex_multiplication): Use it for c99 compliance.
7970         (expand_complex_division): Likewise.
7971         * fold-const.c (fold_complex_add, fold_complex_mult): New.
7972         (fold): Call them.
7973         * builtins.c (built_in_names): Remove const.
7974         * tree.c (build_common_builtin_nodes): Build complex arithmetic
7975         builtins.
7976         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
7977         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
7978         (built_in_names): Remove const.
7979         * c-common.c (c_common_type_for_mode): Handle complex modes.
7980         * flags.h, toplev.c (flag_complex_method): Rename from
7981         flag_complex_divide_method.
7982         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
7983         __mulsc3, __muldc3, __mulxc3, __multc3): New.
7984         * libgcc2.h: Declare them.
7985         * libgcc-std.ver: Export them.
7986         * mklibgcc.in (lib2funcs): Build them.
7987
7988 2005-02-11  Steven Bosscher  <stevenb@suse.de>
7989
7990         PR tree-optimization/19876
7991         Partially revert my change from 2005-01-14
7992         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
7993         (compute_antic): ...and remove the loop here.
7994
7995 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
7996
7997         PR middle-end/19858
7998         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
7999         is number of inner's bits, avoid creating a BIT_FIELD_REF.
8000
8001         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
8002         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
8003
8004 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
8005
8006         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
8007         offsets for the big-endian 32-bit case.
8008
8009 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
8010
8011         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
8012
8013 2005-02-11  Dale Johannesen  <dalej@apple.com>
8014
8015         * cselib.c (cselib_process_insn):  Clear out regs where
8016         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
8017         * reload.c (find_equiv_reg): Ditto.
8018
8019 2005-02-11  Ian Lance Taylor  <ian@airs.com>
8020
8021         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
8022         with no elements.
8023
8024         * tree.c (build_function_type_list): Work correctly if there are
8025         no arguments.
8026
8027 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
8028
8029         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
8030         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
8031         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
8032         TARGET_ZARCH instead of TARGET_64BIT.
8033
8034 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
8035
8036         * config/rs6000/t-rtems:
8037         (MULTILIB_OPTIONS): Remove mcpu=602.
8038         (MUTLILIB_DIRNAMES): Remove m602.
8039         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
8040         Let mcpu=602 match mcpu=603.
8041         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
8042
8043 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8044
8045         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
8046         signal trampolines.
8047
8048 2005-02-10  David Daney  <ddaney@avtrex.com>
8049
8050         * config/alpha/linux-unwind.h: Add exception clause to copyright.
8051         * config/i386/linux-unwind.h: Likewise.
8052         * config/ia64/linux-unwind.h: Likewise.
8053         * config/mips/linux-unwind.h: Likewise.
8054         * config/pa/linux-unwind.h: Likewise.
8055         * config/rs6000/linux-unwind.h: Likewise.
8056         * config/s390/linux-unwind.h: Likewise.
8057         * config/sh/linux-unwind.h: Likewise.
8058         * config/sparc/linux-unwind.h: Likewise.
8059
8060 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8061
8062         PR tree-optimization/17549
8063         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
8064         TER to replace a DEF with its expression if the DEF and the
8065         rhs of the expression we replace into have the same root
8066         variable.
8067
8068 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
8069
8070         * config/mips/mips.md: Fix the placement of the match_scratch in the
8071         lea64 peephole2.
8072
8073 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8074
8075         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
8076         Fix comment typos.
8077
8078 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
8079
8080         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
8081         (strip_offset): Handle addresses.
8082         (add_address_candidates): Use strip_offset.
8083         (difference_cost): Reflect strip_offset change.
8084         (force_var_cost, difference_cost): Strip nops.
8085
8086 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8087
8088         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
8089
8090         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
8091         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
8092         config/cris/cris-protos.h, config/cris/cris.c: Update
8093         copyright.
8094
8095 2005-02-10  Jeff Law  <law@redhat.com>
8096
8097         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
8098         (lookup_avail_expr): Similarly.
8099
8100 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
8101
8102         * builtins.c (fold_builtin_powi): New function.
8103         (fold_builtin_1): Call it.
8104
8105 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8106
8107         PR documentation/19309
8108         * doc/cpp.texi: The __GNUC__ and related predefined macros
8109         are also defined for the "standalone" cpp.
8110         Some non-GCC compilers may also define __GNUC__.
8111
8112 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
8113
8114         PR c/19342
8115         * c-typeck.c (common_type): New routine.  Old common_type renamed
8116         to...
8117         (c_common_type): ...this.
8118         (build_conditional_expr, build_binary_op): Use c_common_type instead
8119         of common_type.
8120
8121 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8122
8123         * doc/md.texi: Replace @samp{length} with @code{length}.
8124
8125 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8126
8127         PR tree-optimization/18687
8128         * tree-flow.h (find_loop_niter): Declare.
8129         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
8130         Try using scev even for loops with more than one exit.
8131         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
8132         (struct ivopts_data): Added niters field.
8133         (struct nfe_cache_elt): New.
8134         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
8135         functions.
8136         (tree_ssa_iv_optimize_init): Initialize niters cache.
8137         (determine_number_of_iterations): Removed.
8138         (find_induction_variables): Do not call determine_number_of_iterations.
8139         Access niters for single exit through niter_for_single_dom_exit.
8140         (add_iv_outer_candidates): Access niters for single exit through
8141         niter_for_single_dom_exit.
8142         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
8143         number_of_iterations_cond.
8144         (iv_period): New function.
8145         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
8146         (may_replace_final_value): Take data argument.  Use
8147         niter_for_single_dom_exit.
8148         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
8149         (rewrite_use_compare): Pass data to may_eliminate_iv.
8150         (rewrite_use_outer): Pass data to may_replace_final_value.
8151         (free_loop_data): Clean up the niters cache.
8152         (tree_ssa_iv_optimize_finalize): Free the niters cache.
8153         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
8154         * tree-ssa-loop-niter.c (find_loop_niter): New function.
8155         (find_loop_niter_by_eval): Use tree_int_cst_lt.
8156         (num_ending_zeros): Moved to tree.c.
8157         * tree.h (num_ending_zeros): Declare.
8158         * tree.c (num_ending_zeros): Moved from tree.c.
8159
8160 2005-02-09  Richard Henderson  <rth@redhat.com>
8161
8162         * builtins.c (DEF_BUILTIN): Add COND argument.
8163         * tree.h (DEF_BUILTIN): Likewise.
8164         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
8165         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
8166         match.
8167         (DEF_BUILTIN_STUB): New.
8168         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
8169         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
8170         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
8171         * c-common.c (DEF_BUILTIN): Add COND argument.
8172         * tree.c (local_define_builtin): New.
8173         (build_common_builtin_nodes): New.
8174
8175 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8176
8177         * fold-const.c (fold_strip_sign_ops): New function to simplify a
8178         floating point expression ignoring the sign of the result.
8179         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
8180         (fold) <MULT_EXPR>: Use it to simplify x*x.
8181         * tree.h (fold_strip_sign_ops): Prototype here.
8182         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
8183         argument.  Use fold_strip_sign_ops to simplify the first argument.
8184         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
8185         first argument when the second argument is an even integer
8186         constant, but only with -funsafe_math_optimizations.
8187         (fold_builtin_1): Update call to fold_builtin_copysign.
8188
8189 2005-02-09  Ian Lance Taylor  <ian@airs.com>
8190
8191         PR middle-end/19583
8192         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
8193         just check whether EH_FILTER_FAILURE falls through.
8194
8195 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
8196
8197         * gcc/haifa-sched.c (schedule_block): Make queued sched group
8198         insns return to ready list in the next turn.
8199
8200 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8201
8202         PR middle-end/19402
8203         * builtins.def: New __builtin_powi[lf].
8204         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
8205         (expand_builtin_powi): New function.
8206         (expand_builtin): Dispatch to expand_builtin_powi.
8207         * libgcc2.h: Add prototypes for __builtin_powi[lf].
8208         * libgcc2.c: Add __builtin_powi[lf] implementation.
8209         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
8210         * optabs.h: Add powi_optab.
8211         * optabs.c (init_optabs): Initialize powi_optab.
8212         * doc/extend.texi: Document __builtin_powi[lf].
8213
8214 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
8215
8216         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
8217         exists.
8218
8219 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8220
8221         PR middle-end/19854
8222         * fold-const.c (try_move_mult_to_index): Remove redundant
8223         type argument.  Create ADDR_EXPR with correct type.
8224         (fold): Update callers of try_move_mult_to_index.  Convert
8225         result to the appropriate type.
8226
8227 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8228
8229         PR target/19597
8230         * config/avr/avr.c (default_rtx_costs): Delete.
8231         (avr_operand_rtx_cost): New function.
8232         (avr_rtx_costs): Completely rewrite.
8233
8234 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
8235
8236         PR target/19806
8237         * config/cris/cris.c (in_code): New variable.
8238         (cris_output_addr_const): Now a static function, a wrapper for
8239         output_addr_const.
8240         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
8241         case from old cris_output_addr_const.
8242         (cris_asm_output_label_ref): Similar for LABEL_REF.
8243         (cris_output_addr_const_extra): Similar for UNSPEC.
8244         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
8245         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
8246         * config/cris/cris-protos.h (cris_output_addr_const): Remove
8247         declaration.
8248         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
8249         (cris_asm_output_label_ref): Declare.
8250
8251 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
8252
8253         PR preprocessor/19801
8254         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
8255         filenames that changed when libcpp was moved to the toplevel.
8256
8257 2005-02-07  Roger Sayle  <roger@eyesopen.com>
8258
8259         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
8260         zero extensions of BImode operands.  Call lowpart_subreg instead
8261         of gen_lowpart_common and gen_lowpart_SUBREG.
8262
8263 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
8264
8265         PR ada/19489
8266         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
8267         * configure.ac: Set cc_for_cross_gnattools.
8268         * configure: Regenerate.
8269
8270 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
8271
8272         PR target/19803
8273         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
8274
8275 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8276
8277         PR debug/19327
8278         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
8279         of nested functions.
8280
8281 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
8282
8283         * doc/extend.texi: Document deprecated extensions allowing
8284         static floating-point members to have initializers and allowing
8285         floating-point literals in integral constant expressions.
8286
8287 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
8288
8289         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
8290         config/darwin7.h, config/mips/mips.c,
8291         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
8292         Update copyright.
8293
8294         * cse.c: Update comments.
8295
8296 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
8297
8298         PR middle-end/19775
8299         * builtins.c (fold_builtin_sqrt): Transform
8300         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
8301         pow(x,y*0.5).
8302
8303 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
8304             Dorit Naishlos  <dorit@il.ibm.com>
8305
8306         * doc/invoke.texi (ftree-vectorizer-verbose): New.
8307         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
8308         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
8309         was added.
8310         * tree.h (vect_set_verbosity_level): New extern function declaration
8311         added.
8312         * tree-vectorizer.h (verbosity_levels): New enum type.
8313         * tree-vectorizer.c (vect_debug_stats): Function removed.
8314         (vect_debug_details): Likewise.
8315         (vect_verbosity_level): Global variable was defined and initialized.
8316         (vect_dump): Global variable definition.
8317         (vect_print_dump_info): New function.
8318         (vect_set_dump_settings): New function.
8319         (vect_set_verbosity_level): New function.
8320         (vectorize_loops): Add call to vect_set_dump_settings.
8321
8322         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
8323         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8324         (slpeel_tree_peel_loop_to_edge): Likewise.
8325
8326         (vect_analyze_offset_expr): Call to vect_print_dump_info with
8327         appropriate verbosity level instead of call to vect_debug_details
8328         or vect_debug_stats.
8329         (vect_get_base_and_offset):
8330         (vect_create_addr_base_for_vector_ref):
8331         (get_vectype_for_scalar_type):
8332         (vect_create_data_ref_ptr):
8333         (vect_init_vector):
8334         (vect_get_vec_def_for_operand):
8335         (vect_finish_stmt_generation):
8336         (vectorizable_assignment):
8337         (vectorizable_operation):
8338         (vectorizable_store):
8339         (vectorizable_load):
8340         (vect_transform_stmt):
8341         (vect_update_ivs_after_vectorizer):
8342         (vect_do_peeling_for_loop_bound):
8343         (vect_update_inits_of_drs):
8344         (vect_do_peeling_for_alignment):
8345         (vect_transform_loop):
8346         (vect_is_simple_use):
8347         (vect_analyze_operations):
8348         (vect_is_simple_iv_evolution):
8349         (vect_analyze_scalar_cycles):
8350         (vect_analyze_data_ref_dependence):
8351         (vect_analyze_data_ref_dependences):
8352         (vect_compute_data_ref_alignment):
8353         (vect_enhance_data_refs_alignment):
8354         (vect_analyze_data_refs_alignment):
8355         (vect_analyze_data_ref_access):
8356         (vect_analyze_data_ref_accesses):
8357         (vect_analyze_pointer_ref_access):
8358         (vect_get_memtag_and_dr):
8359         (vect_analyze_data_refs):
8360         (vect_mark_relevant):
8361         (vect_stmt_relevant_p):
8362         (vect_mark_stmts_to_be_vectorized):
8363         (vect_can_advance_ivs_p):
8364         (vect_get_loop_niters):
8365         (vect_analyze_loop_form):
8366         (vect_analyze_loop):
8367         (vectorize_loops): Likewise.
8368
8369         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
8370         (vect_update_inits_of_drs):
8371         (vect_do_peeling_for_alignment):
8372         (vect_transform_loop):
8373         (vect_analyze_operations):
8374         (vect_analyze_scalar_cycles):
8375         (vect_analyze_data_ref_dependences):
8376         (vect_analyze_data_refs_alignment):
8377         (vect_analyze_data_ref_accesses):
8378         (vect_analyze_data_refs):
8379         (vect_mark_stmts_to_be_vectorized):
8380         (vect_get_loop_niters):
8381         (vect_analyze_loop_form):
8382         (vect_analyze_loop): Likewise.
8383         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
8384
8385 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
8386
8387         PR bootstrap/19796
8388         Revert:
8389         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
8390         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
8391         either -ffast-math or -funsafe-math-optimizations is in use.
8392
8393         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
8394         * config/mips/irix-csr.c: New file.
8395         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
8396         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
8397         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
8398         executables.
8399
8400 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
8401
8402         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
8403         redundant, incorrect definitions.
8404
8405         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
8406         expand.
8407         ("*tls_indirect_call"): New, reference hard regs directly.
8408         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
8409
8410 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
8411
8412         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
8413         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
8414
8415 2005-02-06  Roger Sayle  <roger@eyesopen.com>
8416
8417         PR rtl-optimization/19800
8418         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
8419         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
8420         gen_lowpart.
8421
8422 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
8423
8424         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
8425
8426 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
8427
8428         PR other/17135
8429         * doc/invoke.texi: Correct documentation of -freorder-functions.
8430
8431 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8432
8433         PR other/14402
8434         * doc/invoke.texi: Don't mention gccbug.
8435
8436 2005-02-06  Roger Sayle  <roger@eyesopen.com>
8437             Andrew Pinski  <pinskia@physics.uc.edu>
8438             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
8439
8440         * simplify-rtx.c (simplify_relational_operation_1): Simplify
8441         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
8442         into just (zero_extract:SI FOO (const_int 1) BAR).
8443
8444 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8445
8446         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
8447         macro locally.  Don't give last revision date.  Use GCC version
8448         number from gcc-common.texi.
8449         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
8450         revision date.  Use GCC version number from gcc-common.texi.
8451         Describe being a library as current state rather than as 3.x
8452         history.
8453         * doc/gcc.texi: Remove last update date.
8454         * doc/gccint.texi: Likewise.  Update copyright dates.
8455         * doc/install.texi: Update copyright dates.
8456
8457 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8458
8459         PR other/7549
8460         * doc/invoke.texi: Mention for each option included in -Wall that
8461         it is included in -Wall.
8462         * doc/gcc.texi: Update copyright and last modification date.
8463
8464 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
8465
8466         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
8467         unnecessary cast to original induction variable increments.
8468
8469 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
8470
8471         PR tree-optimization/18219
8472         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
8473         in distributed form.
8474
8475 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
8476
8477         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
8478         Set bitpos and offset later in the function.  Do nothing if the
8479         target is a register and if the bitfield lies completely outside
8480         that register.
8481         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
8482         here.  Return an uninitialised register if the source value is stored
8483         in a register and the bitfield lies completely outside that register.
8484
8485 2005-02-06  Steven Bosscher  <stevenb@suse.de>
8486
8487         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
8488         not SET_DEST.
8489
8490 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
8491
8492         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
8493
8494 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
8495
8496         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
8497         * config/darwin8.h: New.
8498         * config/darwin7.h: Update comment.
8499
8500 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
8501             Dorit Naishlos  <dorit@il.ibm.com>
8502
8503         * tree-vectorizer.h (LOC): New type.
8504         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
8505         (loop_line_number): New field in struct _loop_vec_info.
8506         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
8507
8508         * tree-vectorizer.c (input.h): Included.
8509         (find_loop_location): New function.
8510         (vect_debug_stats): Argument changed from loop to LOC. Computation of
8511         loop line number removed.
8512         (vect_debug_details): Likewise.
8513         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
8514
8515         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
8516         call to vect_debug_details/stats changed from loop to loop_loc.
8517         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8518         (slpeel_tree_peel_loop_to_edge): Likewise.
8519
8520         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
8521         changed from NULL to UNKNOWN_LOC.
8522         (vect_get_base_and_offset):
8523         (vect_create_addr_base_for_vector_ref):
8524         (get_vectype_for_scalar_type):
8525         (vect_create_data_ref_ptr):
8526         (vect_init_vector):
8527         (vect_get_vec_def_for_operand):
8528         (vect_finish_stmt_generation):
8529         (vectorizable_assignment):
8530         (vectorizable_operation):
8531         (vectorizable_store):
8532         (vectorizable_load):
8533         (vect_transform_stmt):
8534         (vect_update_ivs_after_vectorizer):
8535         (vect_do_peeling_for_loop_bound):
8536         (vect_do_peeling_for_alignment):
8537         (vect_transform_loop):
8538         (vect_is_simple_use):
8539         (vect_analyze_operations):
8540         (vect_is_simple_iv_evolution):
8541         (vect_analyze_scalar_cycles):
8542         (vect_analyze_data_ref_dependences):
8543         (vect_compute_data_ref_alignment):
8544         (vect_enhance_data_refs_alignment):
8545         (vect_analyze_data_ref_access):
8546         (vect_analyze_data_ref_accesses):
8547         (vect_analyze_pointer_ref_access):
8548         (vect_get_memtag_and_dr):
8549         (vect_analyze_data_refs):
8550         (vect_mark_relevant):
8551         (vect_stmt_relevant_p):
8552         (vect_mark_stmts_to_be_vectorized):
8553         (vect_can_advance_ivs_p):
8554         (vect_get_loop_niters):
8555         (vect_analyze_loop):
8556         (vectorize_loops): Likewise.
8557
8558         (vectorizable_load): Argument in call to vect_debug_details/stats
8559         changed from loop to LOOP_LOC (loop_vinfo).
8560         (vect_transform_loop):
8561         (vect_analyze_operations):
8562         (vect_analyze_scalar_cycles):
8563         (vect_analyze_data_ref_dependence):
8564         (vect_enhance_data_refs_alignment):
8565         (vect_analyze_data_ref_accesses):
8566         (vect_analyze_pointer_ref_access):
8567         (vect_analyze_data_refs):
8568         (vect_analyze_loop): Likewise.
8569
8570         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
8571         changed from loop to loop_loc.
8572
8573         (vect_enhance_data_refs_alignment): Removed unused variable loop.
8574
8575 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
8576             Dorit Naishlos  <dorit@il.ibm.com>
8577
8578         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
8579         declaration added.
8580         (vect_analyze_data_ref_dependences): Likewise.
8581
8582         (vect_is_simple_use): Argument changed from loop structure to
8583         loop_vect_info structure.
8584         (vect_can_advance_ivs_p): Likewise.
8585         (vect_create_index_for_vector_ref): Likewise.
8586         (vect_update_ivs_after_vectorizer): Likewise.
8587         (new_stmt_vec_info): Likewise.
8588
8589         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
8590         changed from loop to loop_vinfo.
8591         (vect_create_data_ref_ptr): First argument in call to
8592         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
8593         (vectorizable_assignment): Second argument in call to vect_is_simple_use
8594         was changed from loop to loop_vinfo.
8595         (vectorizable_operation): Likewise.
8596         (vectorizable_store): Likewise.
8597         (vect_mark_stmts_to_be_vectorized): Likewise.
8598         (vect_do_peeling_for_loop_bound): First argument in call to
8599         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
8600         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
8601         was changed from loop to loop_vinfo.
8602         (vect_analyze_data_ref_dependences): Third argument in call to
8603         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
8604
8605         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
8606         (vect_create_data_ref_ptr): Likewise.
8607         (vect_init_vector): Likewise.
8608         (vect_get_vec_def_for_operand): Likewise.
8609         (vectorizable_assignment): Likewise.
8610         (vectorizable_operation): Likewise.
8611         (vectorizable_store): Likewise.
8612         (vectorizable_load): Likewise.
8613         (vect_update_ivs_after_vectorizer): Likewise.
8614         (vect_is_simple_use): Likewise.
8615         (vect_analyze_data_ref_dependence): Likewise.
8616         (vect_analyze_pointer_ref_access): Likewise.
8617         (vect_can_advance_ivs_p): Likewise.
8618
8619         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
8620         before _stmt_vec_info.
8621         (_stmt_vec_info): Loop field replaced by loop_vec_info.
8622         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
8623         (new_stmt_vec_info): Argument changed from loop structure to
8624         loop_vect_info structure
8625
8626         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
8627         (vect_analyze_offset_expr): Avoid 80 columns overflow.
8628         (vect_create_addr_base_for_vector_ref): Likewise.
8629         (vect_analyze_pointer_ref_access): Likewise.
8630
8631 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
8632
8633         PR tree-opt/19768
8634         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
8635         phi flag if the phi is abnormal.
8636
8637 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
8638
8639         PR tree-opt/19736
8640         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
8641         information for the new statement.
8642
8643 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
8644
8645         PR driver/19117
8646         * gcc.c (main): Include the target in -v output.
8647
8648 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
8649
8650         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
8651         Do not drop the extend if we'd have to add a paradoxical subreg
8652         later.  Include optabs.h and insn-codes.h.
8653         * Makefile.in (combine.o): Depend on $(OPTABS_H).
8654
8655 2005-02-02  Roger Sayle  <roger@eyesopen.com>
8656
8657         PR middle-end/19405
8658         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
8659         * fold-const.c (const_binop): Avoid constant folding floating
8660         point operations in modes that use composite representations.
8661         * simplify-rtx.c (simplify_binary_operation): Likewise.
8662
8663 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
8664
8665         * config/rs6000/altivec.md (altivec_dst): Make the first operand
8666         a REG, not a MEM.
8667         (altivec_dstt): Likewise.
8668         (altivec_dstst): Likewise.
8669         (altivec_dststt): Likewise.
8670         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
8671         of first operand.
8672
8673 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
8674
8675         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
8676         EXPR_LOCUS from orig_cond to the new cond_stmt.
8677         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
8678         the new vec_stmt.
8679
8680 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
8681
8682         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
8683         standard_iv_increment_position. Remove call to bsi_next
8684         (no need to bump the iterator anymore).
8685         (vect_create_index_for_vector_ref): Call
8686         standard_iv_increment_position. Remove second function argument.
8687         (vect_finish_stmt_generation): Remove call to bsi_next
8688         (no need to bump the iterator anymore).
8689         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
8690         to vect_create_index_for_vector_ref.
8691
8692 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
8693
8694         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
8695         phis are used out of the loop.
8696
8697 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
8698
8699         PR c/17807
8700         * c-decl.c (undef_nested_function): New variable.
8701         (pop_scope): Diagnose undefined nested functions.
8702         (finish_function): Don't attempt cgraph processing or genericizing
8703         if current top-level function contained an undefined nested
8704         function.  Reset undef_nested_function at the end of a top-level
8705         function.
8706
8707 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
8708
8709         * tree.c (build_int_cst_type): Take sign of the value into account
8710         when deciding whether sign extend the value.
8711
8712 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
8713
8714         PR c/18502
8715         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
8716         (cpp_options, cc1_options): Change %{std*&ansi} to
8717         %{std*&ansi&trigraphs}.
8718
8719 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
8720
8721         * cse.c: Update comments.
8722
8723 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
8724
8725         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
8726         arguments go on the stack.  Do not put complex doubles in odd/even
8727         pairs.
8728
8729 2005-02-02  Steven Bosscher  <stevenb@suse.de>
8730
8731         * doc/invoke.texi: Update the options enabled at -O1, -O2,
8732         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
8733         -ftree-pre, and -fthread-jumps.
8734
8735 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
8736
8737         PR tree-optimization/19578
8738         * tree-flow.h (modified_noreturn_calls): Declare.
8739         (noreturn_call_p): Declare.
8740         * tree-flow-inline.h (noreturn_call_p): New function.
8741         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
8742         * tree-cfg.c (modified_noreturn_calls): New variable.
8743         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
8744         that contain a mid-block noreturn call.
8745         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
8746
8747 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
8748
8749         * df.c (df_def_record_1, df_uses_record): Don't use
8750         DF_FOR_REGALLOC.
8751         * df.h (DF_FOR_REGALLOC): Remove.
8752
8753 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
8754
8755         PR c/19435
8756         * c-typeck.c (really_start_incremental_init): Reset
8757         constructor_max_index for arrays of incomplete type.
8758
8759 2005-02-02  Jeff Law  <law@redhat.com>
8760
8761         * gcse.c (struct reg_set): Store the block index where the register
8762         was set rather than the setting insn.
8763         (record_one_set, compute_transp): Corresponding changes.
8764         (pre_insert_copy_insn): Do not call replace_one_set.
8765         (replace_one_set): Remove.
8766
8767 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
8768
8769         PR other/15514
8770         * doc/gcov.texi: Fix typo.
8771
8772 2005-02-01  Richard Henderson  <rth@redhat.com
8773
8774         PR target/19680
8775         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
8776         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
8777         type to bool.
8778         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
8779         * config/i386/i386-protos.h: Update.
8780
8781 2005-02-01  Steven Bosscher  <stevenb@suse.de>
8782
8783         PR tree-optimization/19217
8784         * tree-cfg.c (verify_expr): Use the data field to see if TP was
8785         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
8786         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
8787         that it is walking a PHI node.
8788
8789 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
8790
8791         * doc/extend.texi (Nested Functions): Update.
8792
8793 2005-02-01  Richard Henderson  <rth@redhat.com>
8794
8795         PR 19696
8796         * optabs.c (expand_copysign_absneg): Export.
8797         * optabs.h (expand_copysign_absneg): Declare.
8798         * config/rs6000/rs6000.md (copysigntf3): New.
8799
8800 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
8801
8802         PR tree-optimization/19633
8803         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
8804         * tree-ssa-alias.c (init_alias_info): Initialize.
8805         (merge_pointed_to_info): Set.
8806         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
8807         (dump_points_to_info_for): Show value of pt_null.
8808         (struct count_ptr_d): Declare.
8809         (find_ptr_dereference): Remove.
8810         (ptr_is_dereferenced_by): Remove.
8811         (count_ptr_derefs): New local function.
8812         (count_uses_and_derefs): New local function.
8813         (compute_points_to_and_addr_escape): Call it.  If the number
8814         of dereferences is greater than zero, mark the pointer as
8815         dereferenced.  If there are fewer dereferences than uses of
8816         the pointer, the pointer's value escapes.
8817
8818 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
8819
8820         PR tree-optimization/19670
8821         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
8822         here...
8823         (verify_use): ... set it here, instead.
8824
8825 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
8826
8827         * doc/sourcebuild.texi (Test directives): Fix formatting.
8828
8829         * doc/sourcebuild.texi (Test directives): Describe selector
8830         expressions.
8831
8832 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8833
8834         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
8835         specific 64-bit CPUs.
8836
8837 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
8838
8839         PR target/16201
8840         * arm.c (arm_eliminable_register): New function.
8841         (adjacent_mem_locations): Don't allow eliminable registers.  Use
8842         HOST_WIDE_INT for address offsets.
8843         * arm-protos.h (arm_eliminable_register): Add prototype.
8844
8845 2005-02-01  Steven Bosscher  <stevenb@suse.de>
8846
8847         PR optimization/15242
8848         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
8849         * basic-block.h (duplicate_computed_gotos): Add prototype.
8850         * bb-reorder.c (duplicate_computed_gotos): New function to
8851         duplicate sufficiently small blocks ending in a computed jump.
8852         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
8853         if not optimizing for size.
8854         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
8855         never do tail merging for blocks ending in a computed jump.
8856         * doc/invoke.texi: Document the max-goto-duplication-insns param.
8857
8858 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
8859
8860         Patch from Richard Sandiford <rsandifo@redhat.com>
8861         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
8862         from inheriting a subreg equivalence with a non-spill register.
8863
8864         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
8865
8866 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
8867
8868         * config/frv/frv.c (movcc_fp_destination_operand): New.
8869         (gpr_or_memory_operand): Fix typo in comment.
8870         (gpr_or_memory_operand_with_scratch): New.
8871         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
8872         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
8873         movcc_fp_destination_operand.
8874         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
8875         Legitimize memory addresses using a scratch register.
8876
8877 2005-01-31  Jeff Law  <law@redhat.com>
8878
8879         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
8880         bitmap a sparse bitmap instead of a simple bitmap.
8881         (mark_def_sites_initialize_block):  Corresponding changes.
8882         (ssa_mark_def_sites_initialize_block): Likewise.
8883         (ssa_mark_phi_uses): Likewise.
8884         (mark_def_site, ssa_mark_def_sites): Likewise.
8885         (mark_def_site_blocks): Likewise.
8886         (rewrite_ssa_into_ssa): Likewise.
8887
8888         * tree-ssa-dom.c (record_cond): Pass correct variable type
8889         for last argument to htab_find_slot_with_hash.
8890
8891         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
8892         effects when optimizing 0 % X.  Do not try to optimize X % 0.
8893
8894 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
8895
8896         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
8897         1_mmalua.
8898
8899 2005-02-01  Eric Christopher  <echristo@redhat.com>
8900
8901         * config/mips/mips.c (override_options): Warn if -mint64
8902         is used.
8903         * doc/invoke.texi (MIPS Options): Document that -mint64 is
8904         deprecated.
8905
8906 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
8907
8908         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
8909         timestamp.
8910         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
8911         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
8912         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
8913         (cached_regno): Initialize to INVALID_REGNUM.
8914         (cse_reg_info_table_size,
8915         cse_reg_info_table_first_uninitialized,
8916         cse_reg_info_timestamp): New.
8917         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
8918         get_cse_reg_info.
8919         (init_cse_reg_info, get_cse_reg_info_1): New.
8920         (get_cse_reg_info): Cache the last look-up.
8921         (new_basic_block): Update the code to clear mappings from
8922         registers to cse_reg_info entries.
8923         (cse_main): Call init_cse_reg_info.
8924
8925         * cse.c (get_cse_reg_info): Update a comment.
8926
8927 2005-01-31  Steven Bosscher  <stevenb@suse.de>
8928
8929         PR c/19333
8930         * c-decl.c (start_decl): Do not warn about arrays of elements with
8931         an incomplete type here.
8932         (grokdeclarator): Do it here by making a pedwarn an error.
8933         * c-typeck.c (push_init_level): If there were previous errors with
8934         the constructor type, do not warn about braces for initializers.
8935         (process_init_element): Likewise for excess initializer elements.
8936
8937 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
8938
8939         * cse.c (delete_trivially_dead_insn): Don't iterate.
8940
8941 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
8942
8943         * config/rs6000/rs6000.md (copysignsf3): New expand.
8944         (copysigndf3): Likewise.
8945
8946 2005-01-31  Steven Bosscher  <stevenb@suse.de>
8947
8948         * recog.c (constrain_operands): Only look for earlyclobber operand
8949         conflicts if an '&' constraint was seen.
8950
8951 2005-01-31  Marc Espie <espie@openbsd.org>
8952
8953         * config.gcc: Don't include embedded systems fragment, switches default
8954         debugging format to ELF.
8955         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
8956         longer pick it up there.
8957
8958 2005-01-31  Dale Johannesen  <dalej@apple.com>
8959
8960         * doc/extend.texi (nested functions): Fix linkage description.
8961         Clarify that static is not allowed.
8962
8963 2005-01-31  Dale Johannesen  <dalej@apple.com>
8964
8965         * config/rs6000/darwin.md (movsf_low_di):  Make work.
8966         (movdf_low_di):  Make work.
8967
8968 2005-01-31  Dale Johannesen  <dalej@apple.com>
8969
8970         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
8971         Make work for 64 bit.
8972
8973 2005-01-31  Roger Sayle  <roger@eyesopen.com>
8974             Dale Johannesen  <dalej@apple.com>
8975
8976         PR middle-end/19650
8977         * fold-const.c (fold_binary_op_with_conditional_arg):
8978         Make types match original operands, before STRIP_NOPS.
8979
8980 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
8981
8982         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
8983         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
8984         (struct gcc_sigcontext): Delete.  Merge contents to..
8985         (struct gcc_ucontext): ..here.
8986         (get_sigcontext): Delete.
8987         (get_regs): New function, like get_sigcontext but return regs ptr.
8988         64-bit version finds regs from r1 to support vdso.
8989         (ppc_linux_aux_vector): New function.
8990         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
8991         and vector regs.
8992
8993 2005-01-31  Ira Rosen  <irar@il.ibm.com>
8994
8995         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
8996         sizetype.
8997         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
8998         redundant fold. Fix misalignment for MINUS_EXPR.
8999         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
9000         (vect_analyze_pointer_ref_access): Likewise.
9001         (vect_get_memtag_and_dr): Likewise.
9002
9003 2005-01-31  Richard Henderson  <rth@redhat.com>
9004
9005         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
9006         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
9007         absnegdf2_i387, absnegxf2_i387): Likewise.
9008
9009 2005-01-31  Richard Henderson  <rth@redhat.com>
9010
9011         PR 19696
9012         * optabs.c (expand_copysign_absneg): New.
9013         (expand_copysign_bit): Split out from ...
9014         (expand_copysign): ... here.  Use expand_copysign_absneg.
9015
9016 2005-01-30  Roger Sayle  <roger@eyesopen.com>
9017
9018         PR middle-end/19697
9019         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
9020         constant as the second operand and a register as the third.
9021
9022 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
9023
9024         PR target/19704
9025         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
9026         that dllimport'd functions do not use all call-clobbered registers
9027         to pass parameters.
9028
9029 2005-01-30  Richard Henderson  <rth@redhat.com>
9030
9031         PR 19696
9032         * optabs.c (expand_absneg_bit): Split out from expand_unop and
9033         expand_abs_nojump and generalize.  Use operand_subword and
9034         emit_no_conflict_block.  Support large modes.
9035         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
9036         back to maximum.
9037         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
9038         negation to subtraction.
9039         (expand_copysign): Check that the format has signed zeros.
9040         Use operand_subword and emit_no_conflict_block.  Support large modes.
9041
9042 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
9043
9044         Fix PR tree-optimization/19624
9045
9046         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
9047         * tree-ssa-pre.c: Add cfgloop.h.
9048         Update comment.
9049         (pre_stats): New member, constified.
9050         (inserted_exprs): New static variable.
9051         (NECESSARY): New macro.
9052         (create_expression_by_pieces): Fold the expression, and
9053         mark it as defaulting to not necessary. Also put in
9054         inserted_exprs.
9055         (fully_constant_expression): New function.
9056         (insert_into_preds_of_block): Modify to not insert phis when we
9057         are playing with induction variables.
9058         Push phis onto the inserted_exprs vector, and mark them as not
9059         necessary by default.
9060         (insert_aux): Call fully_constant_expression on eprime.
9061         If all edges produce the same value, mark it constant.
9062         (mark_operand_necessary): New function.
9063         (remove_dead_inserted_code): New function.
9064         (init_pre): Init loop optimizer to get loop info.
9065         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
9066         (execute_pre): Commit edge inserts, then remove dead code.
9067
9068 2005-01-30  Richard Henderson  <rth@redhat.com>
9069
9070         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
9071         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
9072
9073 2005-01-30  Richard Henderson  <rth@redhat.com>
9074
9075         PR target/19700
9076         * config/i386/i386.c (ix86_expand_copysign): New.
9077         (ix86_split_copysign_const): New.
9078         (ix86_split_copysign_var): Rename from ix86_split_copysign,
9079         rearrange op1/nmask operands.
9080         * config/i386/i386-protos.h: Update.
9081         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
9082         (copysigndf3): Likewise.
9083         (copysignsf3_const, copysigndf3_const): New.
9084         (copysignsf3_var): Rename from copysignsf3, split out splitter
9085         and fix split predicate for X constraint.
9086         (copysigndf3_var): Similarly.
9087
9088 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
9089
9090         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
9091         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
9092         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
9093
9094 2005-01-29  Richard Henderson  <rth@redhat.com>
9095
9096         PR target/19690
9097         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
9098         of # and * in constraints.
9099
9100 2005-01-29  Richard Henderson  <rth@redhat.com>
9101
9102         PR middle-end/19689
9103         * expr.c (store_field): Don't strip sub-mode cast when the input
9104         data is even smaller.
9105
9106 2005-01-29  Richard Henderson  <rth@redhat.com>
9107
9108         PR middle-end/19687
9109         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
9110         union being empty.
9111
9112 2005-01-29  Richard Henderson  <rth@redhat.com>
9113
9114         * combine.c (make_field_assignment): Fix argument order
9115         to gen_int_mode.
9116
9117 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
9118
9119         PR tree-optimization/15791
9120         * fold-const.c (extract_array_ref): New function.
9121         (fold): Fold comparisons between &a[i] and &a[j] or
9122         semantically equivalent trees.
9123
9124 2005-01-29  Jeff Law  <law@redhat.com>
9125
9126         * gcse.c (insert_expr_in_table): Revamp handling of available
9127         and anticipatable occurrence lists to avoid unnecessary list
9128         walking.
9129         (insert_set_in_table): Similarly.
9130
9131 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
9132
9133         * c-common.c (fix_string_type): Just use c_build_qualified_type to
9134         build string type.
9135         (c_build_qualified_type): Build qualified array types with
9136         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
9137         * c-decl.c (c_make_fname_decl): Build unqualified array type
9138         before qualified type.
9139         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
9140         type is qualified, not just if type itself is.  Don't apply
9141         qualifiers to array type when declarator is processed.  Apply
9142         qualifiers to field type whether or not it is an array type.
9143         Don't handle array types specially for applying qualifiers to
9144         variables.
9145         * c-typeck.c (composite_type): Build unqualified element type and
9146         array type when forming composite of array types.
9147         (common_pointer_type, comptypes, comp_target_types,
9148         type_lists_compatible_p, build_indirect_ref, build_array_ref,
9149         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
9150         types.
9151         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
9152         (args2) in variables a1 and a2.
9153
9154 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
9155
9156         * cse.c (n_elements_made, max_elements_made): Remove.
9157         (insert): Don't touch n_elements_made.
9158         (cse_main): Don't touch n_elements_made or max_elements_made.
9159
9160 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
9161
9162         PR target/15384
9163         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
9164         configuration part of dp-bit.c to be lost.
9165
9166 2005-01-28  Roger Sayle  <roger@eyesopen.com>
9167
9168         * expmed.c (expand_mult_highpart_optab): When attempting to use
9169         a non-widening multiplication in a wider mode, the operands need
9170         to be converted (zero or sign extended) to that mode.
9171
9172 2005-01-28  Ian Lance Taylor  <ian@airs.com>
9173
9174         PR middle-end/16558
9175         PR middle-end/19583
9176         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
9177         through if both operands fall through.
9178
9179 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9180
9181         * cse.c (fold_rtx) <PC>: Don't optimize.
9182
9183 2005-01-28  Jeff Law  <law@redhat.com>
9184
9185         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
9186         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
9187
9188 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9189
9190         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
9191         cse_reg_info_used_list_end): Remove.
9192         (cse_reg_info_list, cse_reg_info_list_free): New.
9193         (get_cse_reg_info): When allocating an instance of
9194         cse_reg_info, add it to the beginning of the cse_reg_info_list
9195         list.  Remove code to maintain cse_reg_info_used_list.
9196         (new_basic_block): Reset the free list to the beginning of
9197         cse_reg_info_list.
9198
9199 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
9200
9201         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
9202         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
9203         (frv_expand_mdpackh_builtin): New function.
9204         (frv_expand_builtin): Use it to expand __MDPACKH.
9205         * doc/extend.texi (__MDPACKH): Update documentation.
9206
9207 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
9208
9209         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
9210         SSE_FLOAT_MODE_P for use_sse computation.
9211
9212 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
9213
9214         PR target/19663
9215         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
9216
9217 2005-01-27  Richard Henderson  <rth@redhat.com>
9218
9219         * builtins.c (expand_builtin_copysign): New.
9220         (expand_builtin): Call it.
9221         * genopinit.c (optabs): Add copysign_optab.
9222         * optabs.c (init_optabs): Initialize it.
9223         (expand_copysign): New.
9224         * optabs.h (OTI_copysign, copysign_optab): New.
9225         (expand_copysign): Declare.
9226
9227         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
9228         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
9229
9230         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
9231         (ix86_expand_fp_absneg_operator): ... here.
9232         (ix86_split_copysign): New.
9233         * config/i386/i386-protos.h: Update.
9234         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
9235         (copysignsf3, copysigndf3): New.
9236
9237         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
9238         (copysignsf3, ncopysignsf3): New.
9239         (copysigndf3, ncopysigndf3): New.
9240         (copysignxf3, ncopysignxf3): New.
9241         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
9242
9243 2005-01-27  Arend Bayer  <arend.bayer@web.de>
9244             Kazu Hirata  <kazu@cs.umass.edu>
9245
9246         * cse.c: (find_best_addr): Don't call copy_rtx before calling
9247         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
9248         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
9249         NULL_RTX.
9250
9251 2005-01-27  Jeff Law  <law@redhat.com>
9252
9253         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
9254         definitions of SSA_NAMEs which are not being rewritten.
9255         (rewrite_ssa_into_ssa): Only initialize the current definition
9256         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
9257         If checking is enabled, assert that SSA_NAME_AUX is clear for all
9258         SSA_NAMEs before returning.
9259
9260 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
9261
9262         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
9263         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
9264         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
9265         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
9266         config/mips/iris6.h, config/sh/sh.c: Update copyright.
9267
9268 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9269
9270         PR middle-end/17278
9271         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
9272         higher to -O2 and higher.  Likewise for tree PRE.
9273         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
9274         and better.
9275
9276 2005-01-27  Ian Lance Taylor  <ian@airs.com>
9277
9278         PR middle-end/19583
9279         * gimple-low.c (try_catch_may_fallthru): New static function.
9280         (block_may_fallthru): Handle TRY_CATCH_EXPR.
9281         * tree-inline.c (expand_call_inline): Don't warn about reaching
9282         the end of a non-void function being inlined if the function uses
9283         a return slot.
9284
9285 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
9286
9287         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
9288
9289         PR c/18946
9290         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
9291         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
9292         (implicitly_declare): Handle error_mark_node.
9293
9294 2005-01-27  Richard Henderson  <rth@redhat.com>
9295
9296         PR tree-opt/14329
9297         * tree.h (struct tree_decl): Add debug_expr_is_from.
9298         (DECL_DEBUG_EXPR_IS_FROM): New.
9299         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
9300         * dwarf2out.c (dwarf2out_var_location): Update to match.
9301         * tree-outof-ssa.c (create_temp): Likewise.
9302         * var-tracking.c (track_expr_p): Likewise.
9303         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
9304         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
9305         * toplev.c (default_tree_printer): Likewise.
9306
9307 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
9308
9309         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
9310         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
9311
9312 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9313
9314         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
9315         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
9316         ASM_CLOBBERS): Add tree checks.
9317
9318         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
9319         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
9320         * c-common.def (SWITCH_STMT): Update to match.
9321         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
9322         macros instead of SWITCH_EXPR ones.
9323         * c-dump.c (c_dump_tree): Likewise.
9324         * c-gimplify.c (gimplify_switch_stmt): Likewise.
9325         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
9326
9327         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
9328
9329 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
9330
9331         * unwind-dw2.c (execute_stack_op): Add missing cases for
9332         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
9333
9334 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
9335
9336         * config.gcc (Obsolete configurations): Remove 'dummy', add
9337         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
9338         sparc-*-openbsd*.
9339
9340 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
9341
9342         PR tree-optimization/19633
9343         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
9344         CALL_EXPRs.
9345         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
9346         are no call-clobbered variables.
9347         * tree-outof-ssa.c (check_replaceable): Return false for calls
9348         with side-effects.
9349
9350 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
9351
9352         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
9353         even for variables with NULL DECL_INITIAL.
9354
9355 2005-01-26  Stuart Hastings  <stuart@apple.com>
9356
9357         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
9358
9359 2005-01-26  Richard Henderson  <rth@redhat.com>
9360
9361         PR middle-end/18008
9362         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9363         field's type.
9364         * expr.c (store_field): Strip conversions to odd-bit-sized types
9365         if the destination field width matches.
9366
9367 2005-01-26  Richard Henderson  <rth@redhat.com>
9368
9369         * c-decl.c, expmed.c, expr.c: Revert last change.
9370
9371 2005-01-26  Richard Henderson  <rth@redhat.com>
9372
9373         PR middle-end/18008
9374         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9375         field's type.
9376         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
9377         if we don't need the bits above those present in the current mode.
9378         * expr.c (store_field): Strip conversions to odd-bit-sized types
9379         if the destination field width matches.
9380
9381 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
9382
9383         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
9384         either -ffast-math or -funsafe-math-optimizations is in use.
9385
9386 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
9387
9388         PR target/19293
9389         PR target/19329
9390         * config/avr/avr.c (notice_update_cc): Only set condition code for
9391         ashrqi3 if shift count > 0.
9392         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
9393         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
9394         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
9395         count <= 0 as a no-op, and shift count >= width by copying zero
9396         or sign bit to all bits of the result.
9397         * config/avr/avr.md (all shifts): Add alternatives for zero shift
9398         count, with attribute "length" set to 0 and "cc" set to "none".
9399
9400 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
9401
9402         * doc/invoke.texi: Document -mTLS.
9403
9404         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
9405         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
9406         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
9407         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
9408         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
9409         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
9410         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
9411         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
9412
9413         * configure.ac: Check for a TLS capable gas.
9414
9415         * configure: Regenerate.
9416
9417 2005-01-26  Richard Henderson  <rth@redhat.com>
9418
9419         PR middle-end/18008
9420         * combine.c (make_field_assignment): Simplify store to zero_extract
9421         from a source with an overlapping mask.
9422
9423 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
9424
9425         2004-11-11  Eric Christopher  <echristo@redhat.com>
9426
9427         * config/frv/frv.md: Add fr400_integer automaton. Don't
9428         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
9429         to TYPE_MACC.
9430
9431 2005-01-26  Steven Bosscher  <stevenb@suse.de>
9432
9433         PR middle-end/16585
9434         * cfgbuild.c (make_edges): Do not clear or set
9435         current_function_has_computed_jump.
9436         * function.h (struct function): Remove the has_computed_jump field.
9437         (current_function_has_computed_jump): Do not define.
9438         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
9439         in a computed jump.  Ignore current_function_has_computed_jump.
9440
9441 2005-01-26  Richard Henderson  <rth@redhat.com>
9442
9443         PR middle-end/19515
9444         * expr.c (categorize_ctor_elements): New argument p_must_clear.
9445         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
9446         fully initialized.
9447         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
9448         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
9449         objects into static storage if they have more than one non-zero value.
9450         * tree.h (categorize_ctor_elements): Update decl.
9451
9452 2005-01-26  Steven Bosscher  <stevenb@suse.de>
9453
9454         PR middle-end/19616
9455         * tree.h (CALL_EXPR_TAILCALL): Add comment.
9456         * calls.c (check_sibcall_argument_overlap_1): Revert the change
9457         to this function from 2004-07-10.
9458         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
9459         the current function for tail call optimizations if the address
9460         of one of it its arguments is taken.
9461
9462 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
9463
9464         * cse.c (fold_rtx): Call equiv_constant only when necessary.
9465
9466 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
9467
9468         * function.c (expand_function_end): If current_function_calls_alloca,
9469         emit stack restore in a place that is reached when the function falls
9470         through at the end.
9471
9472 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
9473
9474         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
9475         rule to avoid matching inappropriate suffix rule.
9476
9477 2005-01-26  Jan Hubicka  <jh@suse.cz>
9478
9479         PR tree-optimization/19241
9480         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
9481
9482 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
9483
9484         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
9485         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
9486         of doubling.
9487         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
9488         <sim*>: Always use crt1.o, regardless of N in simN.
9489         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
9490         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
9491         (CRT_CALL_STATIC_FUNCTION): Remove.
9492         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
9493         use crt1.o, regardless of N in simN.
9494         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
9495         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
9496         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
9497         case isystem setting.
9498         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
9499
9500 2005-01-25  Ian Lance Taylor  <ian@airs.com>
9501
9502         * gimple-low.c (block_may_fallthru): Correct handling of
9503         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
9504
9505 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
9506
9507         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
9508         handlers to match indentation; nested under the mtune=* handler.
9509         Similar for mcpu= and march=.
9510
9511 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
9512
9513         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
9514         * config/mips/linux64.h (LIB_SPEC): Likewise.
9515         * config/mn10300/linux.h (LIB_SPEC): Likewise.
9516         * config/sh/linux.h (LIB_SPEC): Likewise.
9517
9518 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
9519
9520         * config/frv/frv.c (frv_legitimize_tls_address): New.
9521         (TARGET_HAVE_TLS): Define.
9522         (FRV_SYMBOL_REF_TLS_P): Define.
9523         (frv_override_options): Handle new register classes.
9524         (frv_legitimate_address_p): Reject tls addresses.
9525         (frv_legitimize_address): Handle TLS addresses.
9526         (gen_inlined_tls_plt): New.
9527         (gen_tlsmoff): New.
9528         (frv_legitimize_tls_address): New.
9529         (unspec_got_name): Add TLS entries.
9530         (got12_operand): Add R_FRV_TLSMOFF12 case.
9531         (frv_emit_move): Fixup TLS addresses.
9532         (frv_emit_movsi): Legitimize TLS addresses.
9533
9534         * config/frv/frv.h (MASK_BIG_TLS): New.
9535         (TARGET_BIG_TLS): New.
9536         (HAVE_AS_TLS): Define.
9537         (TARGET_SWITCHES): Add -mTLS and -mtls options.
9538         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
9539         (REG_CLASS_NAMES): Same.
9540         (REG_CLASS_CONTENTS): Same.
9541         (CONSTRAINT_LEN): New.
9542         (REG_CLASS_FROM_CONSTRAINT): New.
9543         (PREDICATE_CODES): Add symbolic_operand.
9544
9545         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
9546         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
9547         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
9548         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
9549         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
9550         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
9551         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
9552         GR9_REG, GR14_REG, LRREG.
9553         (type): Add load_or_call attribute.
9554         ("load_or_call"): New reservation.
9555         ("call_gettlsoff"): New.
9556         ("tls_indirect_call"): New.
9557         ("tls_load_gottlsoff12"): New.
9558         ("tlsoff_hilo"): New.
9559         ("tls_tlsdesc_ldd"): New.
9560         ("tls_tlsoff_ld"): New.
9561         ("tls_lddi"): New.
9562
9563         * config/frv/frv-protos.h (symbolic_operand): Protoize.
9564
9565         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
9566
9567         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
9568         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
9569         * config/frv/frv.c (TLS_BIAS): Define.
9570         (frv_output_dwarf_dtprel): New.
9571
9572 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
9573
9574         PR rtl-optimization/19579
9575         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
9576         both A and B, see if they don't clobber registers the other expr uses.
9577
9578 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
9579
9580         * real.c (do_add): Initialize signalling and canonical members.
9581
9582         * real.c (real_from_integer): Zero out destination.
9583
9584 2005-01-18  Jan Hubicka  <jh@suse.cz>
9585
9586         PR tree-optimize/19337
9587         * tree-inline.c (initialize_inlined_parameters): Copy
9588         saved_static_chain_decl only.
9589
9590 2005-01-25  Richard Henderson  <rth@redhat.com>
9591
9592         PR target/19556
9593         PR target/19584
9594         * config/i386/i386.c (x86_inter_unit_moves): Zero.
9595         (ix86_preferred_reload_class): Rewrite fp-constant section, with
9596         80387 enabled, to return a proper subclass.  Return the subset that
9597         overlaps with GENERAL_REGS for PLUS.
9598         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
9599
9600 2005-01-25  Richard Henderson  <rth@redhat.com>
9601
9602         PR middle-end/19609
9603         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
9604
9605 2005-01-25  Roger Sayle  <roger@eyesopen.com>
9606
9607         * expmed.c (choose_multiplier): Change interface to return the
9608         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
9609         (expand_divmod): Update calls to choose_multiplier.
9610
9611 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9612
9613         PR middle-end/19330
9614         * expmed.c (extract_bit_field): Use adjust_address instead of
9615         gen_lowpart when op0 is a MEM.
9616
9617 2005-01-24  Steven Bosscher  <stevenb@suse.de>
9618
9619         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
9620
9621 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
9622
9623         * config/mips/irix-csr.c: New file.
9624         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
9625         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
9626         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
9627         executables.
9628
9629 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
9630
9631         PR bootstrap/19364
9632         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
9633         sparc/elf.h, add sparc/sp-elf.h.
9634         (sparc-*-rtems*): Likewise.
9635         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
9636         tm-dwarf2.h, add sparc/sp-elf.h.
9637         (sparc86x-*-elf): Likewise.
9638         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
9639         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
9640         TARGET_OS_CPP_BUILTINS.
9641         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
9642         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
9643         Undefine it.
9644         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
9645         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
9646         (SWITCH_TAKES_ARG): Likewise.
9647         (LOCAL_LABEL_PREFIX): Likewise.
9648         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
9649         (TARGET_N_FORMAT_TYPES): Delete.
9650         (TARGET_FORMAT_TYPES): Likewise.
9651         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
9652         * config/sparc/elf.h: Delete.
9653         * config/sparc/sp-elf.h: New file.
9654
9655 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
9656
9657         * tree-flow-inline.h (phi_arg_from_edge): Remove.
9658         * tree-flow.h: Remove the corresponding prototype.
9659         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
9660         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
9661
9662 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
9663
9664         PR target/17751
9665         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
9666         for AIX ABI or ELF -fPIC.
9667         (rs6000_emit_load_toc_table): Don't create toc_section here.
9668         (rs6000_xcoff_file_start): Nor here.
9669
9670 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
9671
9672         * sh.c (ra.h): Don't #include.
9673         (hard_regs_intersect_p): New function, resurrected from ra.c.
9674
9675         * sh.c: Fix 1996 Copyright.
9676
9677 2005-01-24  Richard Henderson  <rth@redhat.com>
9678             Aldy Hernandez  <aldyh@redhat.com>
9679
9680         * regrename.c (note_sets): Handle subregs.
9681
9682 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
9683
9684         PR bootstrap/18058
9685         * genconditions.c (write_header, write_conditions): Elide file if
9686         not GCC >= 3.0.1.
9687
9688 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
9689
9690         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
9691         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
9692         Update copyright.
9693
9694 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
9695
9696         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
9697         expand_builtin_printf, expand_builtin_fprintf,
9698         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
9699         checking against POINTER_TYPE.
9700         (validate_arglist): Handle POINTER_TYPE code by checking
9701         POINTER_TYPE_P.
9702
9703 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
9704
9705         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
9706         init_rtlanal): New.
9707         (for_each_rtx): Call for_each_rtx_1.
9708         * rtl.h (init_rtlanal): Declare.
9709         * toplev.c (backend_init): Call init_rtlanal.
9710
9711 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
9712
9713         * flow.c (propagate_one_insn): Formatting.
9714
9715         PR middle-end/19551
9716         * flow.c (libcall_dead_p): Be more conservative if unsure.
9717         If there are any instructions between insn and call, see if they are
9718         all dead before saying the libcall is dead.
9719
9720 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
9721
9722         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
9723         operand constraint for operand 0.
9724
9725 2005-01-23  Richard Henderson  <rth@redhat.com>
9726
9727         PR 19486
9728         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
9729         edges leading to join block.
9730
9731 2005-01-23  Roger Sayle  <roger@eyesopen.com>
9732
9733         * expmed.c (expand_mult_highpart): Make static.  Change type of
9734         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
9735         (expand_divmod): Updates calls to expand_mult_highpart by using
9736         gen_int_mode to pass a CONST_INT rtx.
9737         * rtl.h (expand_mult_highpart): Remove prototype.
9738
9739 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
9740
9741         * flow.c (regset_bytes, regset_size): Remove.
9742
9743         * cfganal.c: Fix a reference to Harvey's paper.
9744
9745 2005-01-23  Steven Bosscher  <stevenb@suse.de>
9746
9747         PR rtl-optimization/19464
9748         * tree-optimize.c (init_tree_optimization_passes): Add one more
9749         copyrename pass just before out-of-ssa.
9750
9751 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
9752
9753         PR bootstrap/18058
9754         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
9755         * ggc-none.c (ggc_free): Define.
9756
9757 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
9758
9759         * cse.c (max_reg, max_insn_uid): Remove.
9760         (cse_main): Don't access max_reg or max_insn_uid.
9761
9762         * c-common.c (explicit_flag_signed_bitfields,
9763         lang_statement_code_p, lang_expand_function_end): Remove.
9764         * c-common.h: Remove the corresponding declarations.
9765         * c-opts.c (c_common_handle_option): Remove all write access
9766         to explicit_flag_signed_bitfields.
9767
9768         * cgraph.c (cgraph_varpool_n_nodes): Remove.
9769         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
9770         * cgraph.h: Remove the corresponding declaration.
9771
9772         * gcse.c (null_pointer_info): Remove.
9773
9774 2005-01-23  Roger Sayle  <roger@eyesopen.com>
9775             Eric Botcazou  <ebotcazou@libertysurf.fr>
9776
9777         * combine.c (simplify_logical): Only simplify logical expressions
9778         of the form ior(and(x,y),z) by the inverse distributive law if the
9779         result is cheaper than the original.
9780
9781 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
9782
9783         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
9784         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
9785         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
9786         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
9787         config/freebsd-spec.h, config/arm/arm.h,
9788         config/h8300/h8300.md, config/i386/i386.md,
9789         config/i386/predicates.md, config/i386/sse.md,
9790         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
9791         config/vax/vax.md: Fix comment typos.  Follow spelling
9792         conventions.
9793
9794 2005-01-23  Steven Bosscher  <stevenb@suse.de>
9795
9796         * gengtype.c (walk_type): Produce `not equal to' compares for loop
9797         tests, instead of `less than'.
9798
9799 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
9800
9801         * function.c (assign_parm_setup_block): When creating a new stack slot
9802         for a parameter, get its alignment from the parameter's DECL_ALIGN
9803         rather than the type's TYPE_ALIGN.  Make sure that the parameter
9804         is at least word aligned.
9805
9806 2005-01-22  Roger Sayle  <roger@eyesopen.com>
9807
9808         PR middle-end/19378
9809         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
9810
9811 2005-01-22  Richard Henderson  <rth@redhat.com>
9812
9813         PR target/19506
9814         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
9815         in both compare operands.
9816         (movdfcc_1_sse_max): Likewise.
9817         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
9818         (movdfcc_1_sse): Likewise.
9819         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
9820         scratch register as needed.
9821
9822 2005-01-22  Richard Henderson  <rth@redhat.com>
9823
9824         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
9825
9826         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
9827
9828 2005-01-22  Richard Henderson  <rth@redhat.com>
9829
9830         * genopinit.c (optabs): Use smin/smax for floating point too.
9831         * doc/md.texi: Update to match.  Clarify that floating point
9832         results are undefined for +0/-0 and NaN.
9833         * doc/rtl.texi: Likewise.
9834         * rtl.def (SMIN, SMAX): Likewise
9835         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
9836
9837         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
9838         leading 's' to the name.
9839         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
9840         smaxxf3, sminxf3): Likewise.
9841         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
9842         Likewise.
9843
9844 2005-01-22  Paul Brook  <paul@codesourcery.com>
9845
9846         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
9847
9848 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
9849
9850         * config/s390/s390.c (struct processor_costs): New fields
9851         dlgr, dlr, dr, dsgfr, dsgr.
9852         (z900_cost, z990_cost): Values for new fields.
9853         (s390_rtx_costs): New cases MEM und COMPARE in switch
9854         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
9855         DIV, MOD, UDIV, UMOD.
9856
9857 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
9858
9859         * config/s390/s390.md ("doloop_si64"): Reload input value directly
9860         into the register being decremented.
9861         ("doloop_si31", "doloop_di"): Likewise.
9862         ("*doloop_si_long"): Adapt pattern.
9863
9864 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
9865
9866         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
9867         access registers.
9868         (CLASS_MAX_NREGS): Likewise.
9869
9870 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
9871
9872         * doc/tree-ssa.texi (Statement Operands): Add example for new
9873         must-def macro. Note deprecation of old operands interface.
9874
9875 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
9876
9877         PR tree-optimization/19484
9878         * tree-cfg.c (remove_fallthru_edge): New function.
9879         (cleanup_control_flow): Remove fallthru edges from calls that are
9880         now known not to return.
9881
9882 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
9883
9884         Fix PR tree-optimization/19038
9885         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
9886         copies with loop variant ones.
9887
9888 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
9889
9890         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
9891         config/alpha/alpha-protos.h, config/alpha/alpha.h,
9892         config/alpha/alpha.md, config/alpha/predicates.md,
9893         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
9894         config/sparc/sol2.h: Update copyright.
9895
9896         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
9897         first label to see if it is a nonlocal label.
9898
9899 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
9900             Andrew Pinski  <pinskia@physics.uc.edu>
9901
9902         PR target/19491
9903         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
9904         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
9905
9906 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
9907
9908         * config/rs6000/rtems.h: Update copyright.
9909
9910 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
9911
9912         PR target/19548
9913         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
9914         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
9915         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
9916
9917 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9918
9919         PR c/18809
9920         * c-typeck.c (convert_arguments): Check for error_mark_node.
9921
9922 2005-01-21  Ian Lance Taylor  <ian@airs.com>
9923
9924         PR tree-optimization/13000
9925         * tree-inline.c: Include "tree-flow.h".
9926         (expand_call_inline): If warn_return_type, warn if non-void inline
9927         function falls through.
9928         * tree-cfg.c (execute_warn_function_return): Don't warn about
9929         control reaching end if TREE_NO_WARNING is set.  Set
9930         TREE_NO_WARNING.
9931         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
9932         has been lowered.
9933         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
9934         branch if we don't need one.
9935         * c-typeck.c: Include "tree-flow.h"
9936         (c_finish_bc_stmt): Don't add a goto if the current statement
9937         list doesn't fall through to the current point.
9938
9939 2005-01-21  Roger Sayle  <roger@eyesopen.com>
9940
9941         PR rtl-optimization/576
9942         * real.c (real_arithmetic): Change return type from void to bool
9943         to return an indication that the result may be inexact.
9944         * real.h (real_arithmeric): Update prototype.
9945         * fold-const.c (const_binop):  Don't constant fold floating
9946         point expressions when the user specifies -frounding-math and
9947         the result may depend upon the run-time rounding mode.
9948         (fold_convert_const_real_from_real): Clean-up.
9949         (fold_initializer): Ignore flag_rounding_math for initializers.
9950         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
9951         constant fold FP operations with flag_rounding_math if the
9952         result may depend upon the run-time rounding mode.
9953
9954 2005-01-21  Tom Tromey  <tromey@redhat.com>
9955
9956         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
9957
9958 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
9959
9960         * tree-cfg.c: Fix comment typos.
9961
9962 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
9963
9964         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
9965         around the call to rest_of_handle_branch_target_load_optimize.
9966
9967 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9968
9969         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
9970         (sparc64-*-openbsd*): Likewise.
9971         (sparclite-*-elf*): Include tm-dwarf2.h.
9972         (sparc86x-*-elf*): Likewise.
9973         (sparc64-*-elf*): Likewise.
9974         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
9975         (DBX_DEBUGGING_INFO): Likewise.
9976         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
9977         (PREFERRED_DEBUGGING_TYPE): Likewise.
9978         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
9979         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
9980         (PREFERRED_DEBUGGING_TYPE): Likewise.
9981         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
9982         (PREFERRED_DEBUGGING_TYPE): Likewise.
9983         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
9984
9985 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
9986
9987         PR target/18701
9988         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
9989
9990 2005-01-20  Paul Brook  <paul@codesourcery.com>
9991
9992         * doc/rtl.texi: Document value extension requirements for CONST_INT.
9993
9994 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
9995
9996         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
9997         label is first in a sequence of labels.
9998
9999         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
10000
10001 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
10002             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
10003
10004         * doc/sourcebuild.texi (Test Directives): New.
10005
10006 2005-01-20  Roger Sayle  <roger@eyesopen.com>
10007
10008         * real.c (real_floor): Don't leave the result uninitialized when
10009         mode is VOIDMode, but return the unrounded intermediate value.
10010         (real_ceil): Likewise.
10011
10012 2005-01-20  Paul Brook  <paul@codesourcery.com>
10013
10014         * config/arm/arm.md (insv): Use gen_int_mode.
10015
10016 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
10017
10018         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
10019         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10020         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10021         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10022         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10023
10024 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10025
10026         Fix PR debug/19124
10027         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
10028         fbreg, so we have to assume we can't.
10029         (loc_descriptor_from_tree_1): Ditto.
10030         (containing_function_has_frame_base): New function.
10031         (add_location_or_const_value_attribute): Use it.
10032         Also try to generate a frame_base from a single element location
10033         list.
10034
10035 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10036
10037         PR tree-optimization/15349
10038         * timevar.def (TV_TREE_MERGE_PHI): New.
10039         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
10040         PHI_WANTED.
10041         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
10042         calls to tree_forwarder_block_p.
10043         (remove_forwarder_block_with_phi, merge_phi_nodes,
10044         gate_merge_phi, pass_merge_phi): New.
10045         * tree-optimize.c (init_tree_optimization_passes): Add
10046         pass_merge_phi.
10047         * tree-pass.h: Add an extern for pass_merge_phi;
10048
10049 2005-01-20  Richard Henderson  <rth@redhat.com>
10050
10051         PR target/19418
10052         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
10053         (_mm_castps_pd, _mm_castps_si128): New.
10054         (_mm_castsi128_ps, _mm_castsi128_pd): New.
10055
10056 2005-01-20  Richard Henderson  <rth@redhat.com>
10057
10058         PR target/19530
10059         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
10060         __builtin_ia32_vec_init_v2si.
10061         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
10062         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
10063         (ix86_init_mmx_sse_builtins): Create it.
10064         (ix86_expand_builtin): Expand it.
10065         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
10066         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
10067         (vec_extractv2si_0, vec_extractv2si_1): New.
10068
10069 2005-01-20  Richard Henderson  <rth@redhat.com>
10070
10071         PR target/16533
10072         * config/i386/i386.c (ix86_expand_push): New.
10073         * config/i386/mmx.md (push<MMXMODE>1): New.
10074         * config/i386/sse.md (push<SSEMODE>1): New.
10075         * config/i386/i386-protos.h: Update.
10076
10077 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10078
10079         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
10080         copyright.
10081
10082 2005-01-20  Richard Henderson  <rth@redhat.com>
10083
10084         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
10085         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
10086
10087 2005-01-19  Richard Henderson  <rth@redhat.com>
10088
10089         PR target/19350
10090         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
10091         to V4SFmode in SSE1 fallback load path.
10092
10093 2005-01-19  Richard Henderson  <rth@redhat.com>
10094
10095         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
10096         in QImode expansion to ix86_expand_vector_set.
10097         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
10098
10099 2005-01-19  Richard Henderson  <rth@redhat.com>
10100
10101         PR target/19511
10102         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
10103         subclass of the input class.
10104         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
10105         Always true for cross-SSE1 classes.  Rationalize conditionals.
10106         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
10107         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
10108         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
10109         (movdi_2): Add MMX/SSE zeros.
10110         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
10111         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
10112         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
10113         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
10114         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
10115         (zero_extendsidi2_rex64_1): Remove.
10116         (MOV0 peephole): Check GENERAL_REG_P.
10117
10118 2005-01-19  Richard Henderson  <rth@redhat.com>
10119
10120         PR target/19427
10121         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
10122         shufps elements.
10123         (ix86_expand_vector_extract): Likewise.
10124
10125 2005-01-19  Richard Henderson  <rth@redhat.com>
10126
10127         PR middle-end/19304
10128         * expr.c (emit_move_change_mode): New argument force; use
10129         simplify_gen_subreg if true.
10130         (emit_move_via_alt_mode): Merge into ...
10131         (emit_move_via_integer): ... here.
10132         (emit_move_ccmode): Use emit_move_change_mode directly.
10133
10134 2005-01-19  Richard Henderson  <rth@redhat.com>
10135
10136         PR target/19518
10137         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
10138         (alpha_preferred_reload_class): Handle CONST_VECTOR.
10139         (alpha_emit_set_const_1): Add no_output parameter; don't emit
10140         rtl if true.
10141         (alpha_emit_set_const): Likewise.  Make static.
10142         (alpha_emit_set_long_const): Make static.
10143         (alpha_extract_integer): Split out from alpha_expand_mov.
10144         (alpha_split_const_mov): Likewise.
10145         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
10146         (alpha_legitimate_constant_p): New.
10147         * config/alpha/alpha-protos.h: Update.
10148         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
10149         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
10150         * config/alpha/alpha.md (movsi): Add n alternative.
10151         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
10152         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
10153         (splitters for all of the above): Use alpha_split_const_mov.
10154         * config/alpha/predicates.md (non_add_const_operand): New.
10155         (non_zero_const_operand): New.
10156         (input_operand): Use alpha_legitimate_constant_p after reload.
10157
10158 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10159
10160         PR tree-optimization/19038
10161         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
10162         (add_candidate): Add ivs with increment in latch only if
10163         allow_ip_end_pos_p is true.
10164         (determine_iv_cost): Use empty_block_p.
10165
10166 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
10167
10168         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
10169         (compute_dominance_frontiers): Ditto.
10170
10171 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
10172
10173         PR target/19529
10174         * config/sh/t-rtems: New.
10175         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
10176
10177 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10178
10179         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
10180         the offset of the selected field.
10181
10182 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
10183
10184         * tree-cfg.c (remove_forwarder_block): Fix the check to
10185         prevent a nonlocal label from appearing in the middle of a
10186         basic block.
10187
10188 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
10189
10190         PR rtl-optimization/19462
10191         * reorg.c (find_end_label): Create return insn only if
10192         current_function_epilogue_delay_list is empty.
10193
10194 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
10195
10196         * doc/passes.texi: Remove paragraph mentioning new-ra.
10197
10198 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
10199
10200         PR rtl-optimization/15139
10201         * combine.c: Include params.h.
10202         (count_rtxs): New function.
10203         (record_value_for_reg): If replace_rtx would replace at least
10204         2 occurrences of REG in VALUE and TEM is really large, replace REG with
10205         (clobber (const_int 0)) instead of TEM.
10206         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
10207         * params.h (MAX_LAST_VALUE_RTL): New.
10208         * Makefile.in (combine.o): Depend on $(PARAMS_H).
10209         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
10210
10211         PR c/17297
10212         * c-typeck.c (digest_init): Only call build_vector if all constructor
10213         elements are *_CST nodes.
10214         * gimplify.c (gimplify_init_constructor): Likewise.
10215
10216         PR middle-end/19164
10217         * c-typeck.c (digest_init): Only call build_vector if inside_init
10218         is a CONSTRUCTOR.
10219
10220 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
10221
10222         * toplev.c (init_asm_output): Remove dead #ifdef.
10223
10224 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
10225
10226         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
10227
10228 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10229
10230         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
10231         accessing DECL_FUNCTION_CODE.
10232         * dojump.c (do_jump): Likewise.
10233         * gimplify.c (gimplify_call_expr): Likewise.
10234         * predict.c (expr_expected_value): Likewise.
10235         (strip_builtin_expect): Likewise.
10236         * tree-inline.c (estimate_num_insns_1): Likewise.
10237         * tree-ssa-loop-im.c (stmt_cost): Likewise
10238         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
10239         (tree_expr_nonnegative_p): Likewise.
10240
10241 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10242
10243         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
10244         variant of the load_pcrel_sym pattern.
10245         * config/sparc/sparc.md (P macro): Move to the top.
10246         (load_pcrel_sym): Macroize using P.
10247         (save_register_window): Likewise.
10248
10249 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
10250
10251         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
10252         ("sordered"): Same.
10253
10254 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
10255
10256         PR C/19472
10257         * c-typeck.c (build_asm_expr): Strip nops off
10258         input memory operands.
10259
10260 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
10261
10262         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
10263         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
10264         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
10265         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
10266
10267 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
10268
10269         PR target/19379
10270         * config/i386/i386.c (override_options): If the 80387 is disabled,
10271         then do not return FP values using FP registers.
10272
10273 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
10274
10275         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
10276         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
10277         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
10278         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
10279         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
10280         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
10281         output.h, postreload-gcse.c, postreload.c, recog.c,
10282         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
10283         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
10284         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
10285         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
10286         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
10287         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
10288         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
10289         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
10290
10291         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
10292         config/alpha/alpha.c, config/arm/vfp.md,
10293         config/i386/emmintrin.h, config/i386/i386-modes.def,
10294         config/i386/i386-protos.h, config/i386/i386.h,
10295         config/i386/pmmintrin.h, config/i386/ppro.md,
10296         config/i386/predicates.md, config/i386/xmmintrin.h,
10297         config/i860/i860.c, config/ia64/ia64-modes.def,
10298         config/ia64/ia64-protos.h, config/ia64/ia64.h,
10299         config/ia64/ia64.md, config/ia64/itanium1.md,
10300         config/ia64/itanium2.md, config/ia64/predicates.md,
10301         config/iq2000/iq2000.h, config/mips/linux64.h,
10302         config/rs6000/aix41.h, config/rs6000/aix43.h,
10303         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
10304         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
10305         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
10306         config/sparc/linux64.h, config/sparc/litecoff.h,
10307         config/sparc/sp64-elf.h, config/sparc/sparc.c,
10308         config/sparc/sparc.h, config/sparc/sparc.md,
10309         config/sparc/sysv4-only.h: Update copyright.
10310
10311 2005-01-18  Richard Henderson  <rth@redhat.com>
10312
10313         PR target/19496
10314         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
10315
10316 2005-01-18  Marc Espie  <espie@openbsd.org>
10317         * config/i386/openbsdelf.h: Typo.
10318
10319 2005-01-18  Richard Henderson  <rth@redhat.com>
10320
10321         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
10322         special case for sse.
10323         * config/i386/predicates.md (sse_comparison_operator): Likewise.
10324
10325 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
10326
10327         * tree-inline.c (estimate_num_insns_1): Added cases for
10328         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
10329
10330 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10331
10332         PR rtl-optimization/19296
10333         * combine.c (simplify_comparison): Rewrite the condition under
10334         which a non-paradoxical SUBREG of a PLUS can be lifted when
10335         compared against a constant.
10336
10337 2005-01-18  Andi Kleen <ak@muc.de>
10338
10339         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
10340         * c.opt (-Wpointer-sign): Add.
10341         * doc/invoke.texi: (-Wpointer-sign): Add.
10342
10343 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10344
10345         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
10346         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
10347         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
10348         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
10349         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
10350         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
10351         for TARGET_MIX_SSE_I387.
10352         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
10353         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
10354         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
10355         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
10356         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
10357         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
10358         TARGET_MIX_SSE_I387.
10359         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
10360         from expander.
10361
10362 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10363
10364         PR target/19424
10365         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
10366         Add movaps alternative for xmm reg->reg move.
10367
10368 2005-01-17  Jeff Law  <law@redhat.com>
10369
10370         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
10371         at the end of the main DOM loop rather than just before DOM exits.
10372
10373 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
10374
10375         PR tree-optimization/19121
10376         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
10377         adding aliases to a name tag, also add them to the pointer's
10378         type tag.
10379         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
10380         sensitive alias info at all.  Only check that the two pointers
10381         have compatible pointed-to sets.
10382         * tree-ssa.c (verify_name_tags): Verify that the alias set of
10383         a pointer's type tag is a superset of the alias set of the
10384         pointer's name tag.
10385
10386 2005-01-17  James E Wilson  <wilson@specifixinc.com>
10387
10388         PR target/19357
10389         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
10390         comment to document why.
10391
10392 2005-01-17  Richard Henderson  <rth@redhat.com>
10393
10394         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
10395         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
10396         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
10397         sse2_vmsminv2df3_finite): New.
10398         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
10399         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
10400         Force op1 into register.
10401
10402 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
10403
10404         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
10405         bubblestrap from always rebuilding build directory.
10406
10407 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
10408
10409         * config/s390/s390.md ("*clc"): Remove incorrect '='.
10410         ("*cmpmem_short"): Likewise.
10411
10412 2005-01-17  Steven Bosscher  <stevenb@suse.de>
10413
10414         * basic-block.h: Document BB_* flags.
10415         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
10416         use an sbitmap instead.
10417         * sched-rgn.c (compute_trg_info): Likewise.
10418
10419 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
10420
10421         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
10422         redundant target_cpu_default and extra_parts lines.  Use the default
10423         "from-abi" ISA.
10424         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
10425         (SUBTARGET_EXTRA_SPECS): Delete.
10426         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
10427         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
10428         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
10429         and "n32" for -mabi=n32.
10430
10431 2005-01-17  Ian Lance Taylor  <ian@airs.com>
10432
10433         PR c/5675
10434         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
10435         fold constant variables into initial values.
10436
10437 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
10438
10439         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
10440
10441         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
10442         through the statements backward.
10443
10444 2005-01-17  Ian Lance Taylor  <ian@airs.com>
10445
10446         PR middle-end/13127:
10447         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
10448         a variable set to the return value of the inlined function.
10449
10450 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
10451
10452         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
10453         when modes are tieable.
10454
10455 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
10456
10457         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
10458         of pthread_create to find out if threads are enabled.
10459         * gthr-posix95.h (__gthread_active_p): Likewise.
10460
10461 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
10462
10463         * common.opt (-fnew-ra): Remove.
10464         * ra*.*: Remove.
10465         * toplev.h (flag_new_regalloc): Remove.
10466         * Makefile.in (ra*.*): Don't mention.
10467         * passes.c (rest_of_handle_new_regalloc): Remove.
10468         (rest_of_handle_combine, rest_of_compilation): Always consider
10469         flag_new_regalloc as false.
10470         * doc/invoke.texi: Don't document -fnew-ra.
10471
10472 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
10473
10474         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
10475         last parameter to reg_scan.
10476         * loop.c (loop_optimize): Likewise.
10477         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
10478         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
10479         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
10480         rest_of_handle_gcse, rest_of_handle_loop_optimize,
10481         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
10482         * regclass.c (reg_scan): Likewise, for the declaration.
10483         * rtl.h (reg_scan): Likewise, for the prototype.
10484
10485 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
10486
10487         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
10488         mark_dfs_back_edges.
10489
10490 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
10491
10492         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
10493         (compute_avail): Uses don't go in tmp_gen.
10494
10495 2005-01-16  Steven Bosscher  <stevenb@suse.de>
10496
10497         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
10498         loop to look for a free slot in a page entry.
10499
10500 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10501
10502         PR target/16304
10503         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
10504         * toplev.c (compile_file): Call process_pending_assemble_output_defs
10505         just before targetm.asm_out.file_end.
10506         * tree.h (process_pending_assemble_output_defs): Declare.
10507         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
10508         New functions.
10509         (assemble_alias): Defer generation of assembly code for defines when
10510         TARGET_DEFERRED_OUTPUT_DEFS is true.
10511         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
10512         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
10513         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
10514
10515 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10516
10517         PR target/19336
10518         * pa.c (pa_scalar_mode_supported_p): New function.
10519         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10520         * pa.h (MIN_UNITS_PER_WORD): Add comment.
10521
10522         * pa-protos.h (prefetch_operand): Delete.
10523         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
10524         * pa.c (prefetch_operand): Delete.
10525         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
10526         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
10527         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
10528         and prefetch_nocc_operand.
10529         * pa.md (prefetch): Rework to avoid reload problems handling short
10530         displacements when a cache control completer needs to be provided.
10531         (prefetch_32, prefetch_64): Delete.
10532         (prefetch_cc, prefetch_nocc): New patterns.
10533
10534 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
10535
10536         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
10537
10538 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10539
10540         PR ada/19388
10541         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
10542         exceeds maximum alignment for global common data.
10543         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
10544         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
10545
10546 2004-01-15  Roger Sayle  <roger@eyesopen.com>
10547
10548         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
10549
10550 2004-01-15  Roger Sayle  <roger@eyesopen.com>
10551
10552         * harg-reg-set.h (reg_class_names): Prototype global array.
10553         * regclass.c (reg_class_names): Declare here and initialize to
10554         REG_CLASS_NAMES.
10555         (dump_regclass): Remove local declaration of reg_class_names.
10556         (regclass): Likewise.
10557         * cfg.c (dump_flow_info): Likewise.
10558         * ra-debug.c (reg_class_names): Likewise.
10559         * regrename.c (reg_class_names): Likewise.
10560         * reload.c (reg_class_names): Likewise.
10561         * reload1.c (spill_failure): Likewise.
10562         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
10563
10564 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
10565
10566         * config/s390/s390.md ("reload_outti"): Remove predicate for
10567         output operand.  Abort if operand is not a MEM.
10568         ("reload_outdi", "reload_outdf"): Likewise.
10569
10570 2005-01-15  Marc Espie  <espie@openbsd.org>
10571
10572         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
10573         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
10574         * config/openbsd.h:  Fix C++ includes for native configurations.
10575         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
10576         Add trampoline support.
10577         * config/i386/openbsdelf.h: New.
10578
10579 2005-01-15  Marc Espie  <espie@openbsd.org>
10580
10581         * collect2.c (main): Explicitly parse -dynamic-linker option.
10582
10583 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
10584
10585         PR tree-optimization/19060
10586         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
10587         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
10588         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
10589         and handle extract_range_from_cond returning false.
10590         * fold-const.c (fold): Optimize comparisons with min/max even for
10591         width > HOST_BITS_PER_WIDE_INT.
10592
10593 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
10594
10595         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
10596         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
10597         Remove little endian multilib variants.
10598         Add mips32 multilib variant.
10599
10600 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
10601
10602         * explow.c (copy_all_reg, stabilize): Remove.
10603         * expr.h: Remove the corresponding prototypes.
10604
10605         * rtlanal.c (regs_set_between_p): Remove.
10606         * rtl.h: Remove the corresponding prototype.
10607
10608 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
10609
10610         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
10611         to rs6000_nonimmediate_operand.
10612         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
10613         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
10614         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
10615         rs6000_nonimmediate_operand.
10616         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
10617         rs6000_nonimmediate_operand.
10618
10619 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
10620
10621         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
10622
10623 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10624
10625         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
10626         on e500v2.
10627         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
10628         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
10629
10630         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
10631         (rs6k_nonimmediate_operand): New.
10632         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
10633         correctly.
10634         (legitimate_lo_sum_address_p): Same.
10635         (rs6000_legitimize_address): Same.
10636         (rs6000_legitimize_reload_address): Same.
10637         (rs6000_legitimate_address): Same.
10638         (spe_build_register_parallel): Pass DF and DC modes in a DI
10639         register.
10640
10641         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
10642         to rs6k_nonimmediate_operand.
10643
10644         * config/rs6000/spe.md ("*frob_df_di"): New.
10645         ("*frob_di_df"): New.
10646         ("*frob_di_df_2"): New.
10647         ("*mov_sidf_e500_subreg0"): New.
10648         ("*mov_sidf_e500_subreg4"): New.
10649         ("*movdf_e500_double"): Change predicate to
10650         rs6k_nonimmediate_operand.
10651
10652 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10653
10654         * postreload.c (move2add_note_store): Only call
10655         trunc_int_for_mode on scalar integers.
10656
10657 2005-01-14  Steven Bosscher  <stevenb@suse.de>
10658
10659         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
10660         replace BB_VISITED uses.
10661         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
10662         (propagate_necessity): Check the bitmap instead of BB_VISITED.
10663         (tree_dce_done): Free visited_control_parents.
10664         (perform_tree_ssa_dce): Allocate and clear it.
10665         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
10666         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
10667         instead of BB_VISITED.
10668
10669 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
10670
10671         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
10672         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
10673         Remove unused prototypes.
10674
10675 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10676
10677         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
10678         64-bit register usage.
10679         (spe_func_has_64bit_regs_p): Add FIXME note.
10680
10681 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10682
10683         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
10684         flag_finite_math_only with flag_unsafe_math_optimizations.
10685
10686 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
10687
10688         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
10689         end-of-stack check.
10690         (__tpf_eh_return): Copy TPF private stack area from the module
10691         boundary stack frame.  Add check for when module addresses are
10692         equal, but no stub address is found.
10693
10694 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
10695
10696         PR target/7525
10697         * arm.h (struct machine_function): Add call_via field.
10698         (thumb_call_via_label): Declare.
10699         * arm.c (thumb_call_via_label): New variable.
10700         (thumb_call_reg_needed): New variable.
10701         (arm_output_function_epilogue): For Thumb code, output any per-function
10702         call-indirect trampolines.
10703         (thumb_call_via_reg): New function.
10704         (arm_file_end): New function.
10705         (TARGET_ASM_FILE_END): Call arm_file_end.
10706         (aof_file_end): Likewise.
10707         * arm-protos.h (thumb_call_via_reg): Declare.
10708         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
10709         thumb_call_via_reg in normal case.
10710
10711 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
10712
10713         PR middle-end/19084
10714         PR rtl-optimization/19348
10715         * recog.c (peephole2_optimize): Do global life update if some peephole
10716         decides it doesn't need at least one of its inputs and that change
10717         influences liveness at the start of the basic block.
10718
10719         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
10720         arguments instead of 1.
10721
10722 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
10723
10724         PR middle-end/18820
10725         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
10726         zero for nested functions needing a static chain or functions
10727         with a non-constant address.
10728
10729 2005-01-13  Roger Sayle  <roger@eyesopen.com>
10730
10731         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
10732         (and (sign_extend X) C) into (zero_extend (and X C)).
10733
10734 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
10735
10736         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
10737
10738 2005-01-13  Richard Henderson  <rth@redhat.com>
10739
10740         PR target/19009
10741         PR target/19250
10742         PR target/19252
10743         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
10744         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
10745         not just TARGET_SSE.
10746         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
10747         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
10748         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
10749         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
10750         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
10751         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
10752         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
10753         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
10754         (movdicc_c_rex64): Rename with '*'.
10755         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
10756         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
10757         (movsfcc_1_387): Rename from movsfcc_1.
10758         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
10759         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
10760         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
10761         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
10762         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
10763         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
10764         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
10765         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
10766         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
10767         sse_movdfcc_const0_4): Remove.
10768         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
10769         recognize min/max early.  Update for changed sse cmove patterns.
10770         (ix86_split_sse_movcc): New.
10771         * config/i386/i386-protos.h: Update.
10772
10773 2005-01-13  Steven Bosscher  <stevenb@suse.de>
10774
10775         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
10776         (fix_stmt_v_may_defs): Likewise.
10777
10778 2005-01-13  Richard Henderson  <rth@redhat.com>
10779
10780         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
10781         for converting the mask.
10782
10783 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
10784
10785         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
10786         definition to 600.
10787
10788 2005-01-13  Richard Henderson  <rth@redhat.com>
10789
10790         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
10791         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
10792         IX86_BUILTIN_MOVDQ2Q): Remove.
10793         (IX86_BUILTIN_VEC_EXT_V4SI): New.
10794         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
10795         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
10796         shuffling.
10797         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
10798         (sse2_pextrw): Fix immediate constraint.
10799         (sse2_loadq, sse2_loadq_rex64): Remove.
10800         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
10801         Use __builtin_ia32_vec_ext_<size>.
10802         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
10803
10804 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
10805
10806         * function.c (assign_parm_setup_block): Look inside original
10807         entry_parm when inspecting PARALLEL.
10808
10809 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
10810             Joel Sherrill  <joel@oarcorp.com>
10811
10812         PR target/19399
10813         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
10814         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
10815         rtems_gxx_recursive_mutex_init.
10816         (__gthread_recursive_mutex_lock): New function.
10817         (__gthread_recursive_mutex_trylock): Likewise.
10818         (__gthread_recursive_mutex_unlock): Likewise.
10819
10820 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
10821
10822         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
10823
10824 2005-01-13  Jan Beulich  <jbeulich@novell.com>
10825
10826         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
10827         (ashrti3_internal): Indicate output is early clobber. Generate result
10828         into output rather than first input. Use move for low word of output
10829         if shift count is exactly 64.
10830         (lshrti3_internal): Likewise.
10831
10832 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
10833
10834         PR target/18329
10835         PR target/18330
10836         * reload1.c (delete_output_reload): Don't delete an output reload
10837         if the pseudo lives longer than a single basic block.  Adjust and
10838         improve wording of comment.
10839
10840 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
10841
10842         PR target/19334
10843         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
10844         of TYPE_SIZE where we mean the number of bytes.
10845
10846 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
10847
10848         * function.c (assign_parm_setup_block): Relax condition on
10849         multi-register optimization.
10850
10851 2005-01-12  Nick Clifton  <nickc@redhat.com>
10852
10853         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
10854         an "in_delay_slot" attribute of "no" to prevent them being used in
10855         delay slots.  This is forbidden because they might generate
10856         exceptions.
10857
10858 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
10859
10860         PR target/19389
10861         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
10862         with r->Y and Y->r.
10863
10864 2005-01-12  Nick Clifton  <nickc@redhat.com>
10865
10866         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
10867         passed on to GAS) but do not define, as GAS no longer supports or
10868         needs the -m2000 option.
10869
10870 2005-01-11  Roger Sayle  <roger@eyesopen.com>
10871
10872         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
10873         type as args of unprototyped builtins aren't automatically promoted.
10874         (fold_builtin_abs): Likewise.
10875
10876 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10877
10878         * Makefile.in: Set a `build-warn' variable.
10879
10880 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
10881
10882         PR tree-optimization/17949
10883         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
10884         (find_interesting_uses_address): Use it.
10885
10886 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
10887
10888         * regrename.c (kill_value): Handle subreg's that won't simplify.
10889
10890 2005-01-11  Richard Henderson  <rth@redhat.com>
10891
10892         PR target/13366
10893         * config/i386/i386.h (enum ix86_builtins): Move ...
10894         * config/i386/i386.c: ... here.
10895         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
10896         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
10897         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
10898         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
10899         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
10900         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
10901         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
10902         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
10903         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
10904         IX86_BUILTIN_LOADDDUP): Remove.
10905         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
10906         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
10907         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
10908         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
10909         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
10910         (ix86_init_builtins): Make static.
10911         (ix86_init_mmx_sse_builtins): Update for changed builtins.
10912         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
10913         if all the modes match.  Otherwise, fake it.
10914         (get_element_number, ix86_expand_vec_init_builtin,
10915         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
10916         (ix86_expand_builtin): Make static.  Update for changed builtins.
10917         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
10918         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
10919         (ix86_expand_vector_init_duplicate): New.
10920         (ix86_expand_vector_init_low_nonzero): New.
10921         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
10922         Split out from ix86_expand_vector_init; handle integer modes.
10923         (ix86_expand_vector_init): Use them.
10924         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
10925         * config/i386/i386-protos.h: Update.
10926         * config/i386/predicates.md (reg_or_0_operand): New.
10927         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
10928         (movv2sf_internal): Likewise.  And a splitter to match them all.
10929         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
10930         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
10931         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
10932         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
10933         (mmx_pinsrw): Fix operand ordering.
10934         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
10935         rather than sse_loadss expander.
10936         (movv2df splitter): Similarly.
10937         (sse_loadss, sse_loadlss): Remove.
10938         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
10939         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
10940         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
10941         (sse3_movddup): Rename with '*'.
10942         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
10943         (sse2_loadsd): Remove.
10944         (vec_dupv2df_sse3): Rename from sse3_loadddup.
10945         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
10946         (sse2_pinsrw): Fix argument ordering.
10947         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
10948         (sse2_stored): Remove 'r' destination.
10949         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
10950         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
10951         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
10952         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
10953         vec_extractv16qi, vec_initv16qi): New.
10954
10955         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
10956         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
10957         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
10958         constructor form.
10959         (_mm_load_pd, _mm_store_pd): Use plain dereference.
10960         (_mm_load_si128, _mm_store_si128): Likewise.
10961         (_mm_load1_pd): Use _mm_set1_pd.
10962         (_mm_load_sd): Use _mm_set_sd.
10963         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
10964         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
10965         (_mm_set_epi64): Use _mm_set_epi64x.
10966         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
10967         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
10968         _mm_setr_epi8): Use _mm_set_foo form.
10969         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
10970         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
10971         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
10972         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
10973         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
10974         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
10975         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
10976         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
10977         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
10978         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
10979         (_mm_movedup_pd): Use _mm_shuffle_pd.
10980         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
10981         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
10982         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
10983         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
10984         Use _mm_setzero_ps.
10985         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
10986         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
10987         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
10988         (_mm_store_ps): Use raw dereference.
10989         (_mm_store1_ps): Use _mm_storeu_ps.
10990         (_mm_storer_ps): Use _mm_store_ps.
10991         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
10992         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
10993
10994 2005-01-11  Stan Shebs  <shebs@apple.com>
10995
10996         * config/rs6000/rs6000.c (machopic_output_stub): Issue
10997         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
10998
10999 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
11000
11001         PR target/18761
11002         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
11003         Skip all DECLs except for FIELD_DECLs.
11004
11005 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11006
11007         * config/s390/s390.c (override_options): Return error if
11008         -mbackchain, -mpacked-stack and -mhard-float are used together.
11009         (s390_va_start): Remove the backchain && packed-stack special case.
11010         (s390_gimplify_va_arg): Likewise.
11011         * doc/invoke.texi: Remove the ABI incompatibility note.
11012
11013 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11014
11015         * config/s390/s390.c (struct s390_frame_layout): Remove
11016         save_backchain_p.
11017         (s390_frame_info, s390_emit_prologue): Replace occurrences of
11018         save_backchain_p with TARGET_BACKCHAIN.
11019
11020 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11021
11022         PR target/18916
11023         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
11024         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
11025         * function.c (locate_and_pad_parm): Set new field.
11026         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
11027         Tweak where_pad test to include "none".  Always set mem align for
11028         stack_parm.
11029         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
11030         not sufficient for type.
11031         (assign_parm_setup_block): If stack_parm is zero on entry, always
11032         make a new stack local.  Block move old stack parm if necessary
11033         to new aligned stack local.
11034         (assign_parm_setup_stack): Use a block move to handle
11035         potentially misaligned entry_parm.
11036         (assign_parms_unsplit_complex): Specify required alignment when
11037         creating stack local.
11038         * calls.c (compute_argument_addresses): Override alignment of stack
11039         arg calculated from its type with the alignment given by
11040         FUNCTION_ARG_BOUNDARY.
11041         (store_one_arg): Likewise.
11042
11043 2005-01-11  Jan Beulich  <jbeulich@novell.com>
11044
11045         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
11046         Change respective itanium_class attribute to ialu.
11047         (shladdp4_internal): New.
11048         * config/ia64/predicates.md (shladd_log2_operand): New.
11049
11050 2005-01-11  Richard Henderson  <rth@redhat.com>
11051
11052         * expr.c (store_constructor): Use rtvec_alloc instead of
11053         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
11054
11055 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
11056
11057         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
11058
11059 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11060
11061         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
11062         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
11063         (TARGET_RWRELOC): Define.
11064         (ia64_rwreloc_section_type_flags): Delete.
11065         (ia64_section_type_flags): New function.
11066         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
11067         (TARGET_RWRELOC): Define.
11068
11069 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
11070
11071         PR target/18987
11072         * config/ia64/ia64.c (process_set): For alloc insn, only call
11073         process_epilogue is !frame_pointer_needed.
11074
11075 2005-01-10  Roger Sayle  <roger@eyesopen.com>
11076
11077         PR c++/19355
11078         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
11079         unary operator and can't be treated as a binary/comparison operator.
11080
11081 2005-01-10  Richard Henderson  <rth@redhat.com>
11082
11083         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
11084         (ix86_return_in_memory): Likewise.
11085         (function_arg_advance):  Likewise.  Mirror structure in function_arg
11086         for choosing register to advance.
11087
11088 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
11089
11090         * tree-vectorizer.c, tree.def: Fix comment typos.
11091
11092 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
11093
11094         * config/s390/s390.c (struct processor_costs): 4 new fields:
11095         ddbr, ddr, debr, der.
11096         (s390_rtx_costs): More precise handling of divide instructions.
11097
11098 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
11099
11100         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
11101
11102 2005-01-10  Jan Beulich  <jbeulich@novell.com>
11103
11104         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
11105         names resulting from -ffunction-sections/-fdata-sections and linkonce
11106         ones.
11107         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
11108         based on the section name. Rearrange the section name comparison logic
11109         slightly so that each section name is compared against at most once.
11110
11111 2005-01-10  Ben Elliston  <bje@au.ibm.com>
11112
11113         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
11114         targets for which -fPIC reduces limitations on the GOT size.
11115
11116 2005-01-09  Falk Hueffner  <falk@debian.org>
11117
11118         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
11119         X/C1 cmpop C2.
11120
11121 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
11122
11123         PR target/18720
11124         * collect2.c (main): Set aixrtl_flag for -brtl option.
11125         (resolve_lib_name): Search for .so file extension before .a
11126         if aixrtl_flag set.
11127
11128 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
11129
11130         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
11131         (vect_analyze_data_refs_alignment): Add dump prints.
11132
11133 2005-01-09  Ira Rosen  <irar@il.ibm.com>
11134
11135         * tree-vectorizer.c (vect_analyze_offset_expr): Use
11136         expr_invariant_in_loop_p.
11137         Initialize outputs first thing in the function.
11138         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
11139         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
11140         (vect_analyze_pointer_ref_access): Check that the initial condition of
11141         the access function is loop invariant.
11142
11143 2005-01-09  Richard Henderson  <rth@redhat.com>
11144
11145         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
11146         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
11147         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
11148         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
11149         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
11150         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
11151         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
11152         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
11153         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
11154         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
11155         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
11156         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
11157         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
11158         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
11159         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
11160         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
11161         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
11162         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
11163         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
11164         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
11165         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
11166         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
11167         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
11168         mmx_ prefix.
11169         (mmx_clrdi, pavgusb): Remove.
11170         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
11171         with leading sse_ prefix.
11172         * config/i386/sse.md: Receive them.
11173         * config/i386/mmx.md: New file.
11174         (MMXMODE12, MMXMODE24, mmxvecsize): New.
11175         (subrv2sf3): Turn into expander for normal subtraction.
11176         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
11177         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
11178         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
11179         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
11180         commutative; use ix86_binary_operator_ok.
11181         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
11182         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
11183         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
11184         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
11185         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
11186         Macroize from existing patterns; use ix86_binary_operator_ok.
11187         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
11188         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
11189         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
11190         with vec_select+vec_concat.
11191         (mmx_pshufw, mmx_pshufw_1): Likewise.
11192         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
11193         (mmx_uavgv4hi3): Model correctly.
11194         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
11195         _mm_xor_si64): Remove casts.
11196
11197 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
11198
11199         PR tree-optimization/19224
11200         * tree-scalar-evolution.c (get_instantiated_value,
11201         set_instantiated_value): New functions.
11202         (instantiate_parameters_1): Cache the results.
11203         (instantiate_parameters, resolve_mixers): Initialize and free
11204         the cache.
11205
11206 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
11207
11208         * config/i386/i386.md (addhi_4): Correct reference in comment.
11209         (addqi_4): Same.
11210
11211 2005-01-08  Richard Henderson  <rth@redhat.com>
11212
11213         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
11214         (_mm_cvtsi128_si64x): Likewise.
11215         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
11216         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
11217         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
11218         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
11219         * config/i386/i386-protos.h: Update.
11220         * config/i386/i386.c (print_operand): Add 'H'.
11221         (ix86_fixup_binary_operands): Split out from ...
11222         (ix86_expand_binary_operator): ... here.
11223         (ix86_fixup_binary_operands_no_copy): New.
11224         (ix86_expand_fp_absneg_operator): Handle vector mode results.
11225         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
11226         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
11227         (safe_vector_operand): Use CONST0_RTX.
11228         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
11229         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
11230         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
11231         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
11232         special cases.
11233         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
11234         (IX86_BUILTIN_CMPNGESS): New.
11235         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
11236         (attr type): Add sselog1.
11237         (attr unit, attr memory): Handle it.
11238         (movti, movti_internal, movti_rex64): Move near other integer moves.
11239         (movtf, movtf_internal): Move near other fp moves.
11240         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
11241         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
11242         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
11243         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
11244         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
11245         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
11246         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
11247         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
11248         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
11249         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
11250         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
11251         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
11252         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
11253         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
11254         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
11255         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
11256         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
11257         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
11258         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
11259         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
11260         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
11261         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
11262         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
11263         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
11264         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
11265         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
11266         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
11267         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
11268         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
11269         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
11270         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
11271         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
11272         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
11273         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
11274         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
11275         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
11276         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
11277         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
11278         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
11279         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
11280         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
11281         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
11282         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
11283         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
11284         same time.
11285         (SSEPUSH, push<SSEPUSH>): Remove.
11286         (MMXPUSH, push<MMXPUSH>): Remove.
11287         (sse_movaps, sse_movaps_1, sse_movups): Remove.
11288         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
11289         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
11290         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
11291         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
11292         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
11293         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
11294         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
11295         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
11296         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
11297         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
11298         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
11299         (ppro_sse_log_V4SF): Handle sselog1.
11300         * config/i386/predicates.md (const_0_to_1_operand): New.
11301         (const_0_to_255_mul_8_operand): New.
11302         (const_1_to_31_operand): Rename from const_int_1_31_operand.
11303         (const_2_to_3_operand, const_4_to_7_operand): New.
11304         * config/i386/sse.md: New file.
11305         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
11306         (sse_movups): Rename from sse_movups_1.
11307         (sse_loadlss): Rename from sse_loadss_1.
11308         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
11309         from the name.
11310         (negv4sf2): Use ix86_expand_fp_absneg_operator.
11311         (absv4sf2, negv2df, absv2df): New.
11312         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
11313         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
11314         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
11315         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
11316         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
11317         (sse3_addsubv4sf3): Model correctly.
11318         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
11319         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
11320         (sse_movhlps): Model with vec_select+vec_concat.
11321         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
11322         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
11323         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
11324         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
11325         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
11326         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
11327         sse2_pshufhw_1): Likewise.
11328         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
11329         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
11330         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
11331         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
11332         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
11333         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
11334         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
11335         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
11336         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
11337         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
11338         sminv8hi3): Mark commutative
11339         operands.  Use ix86_binary_operator_ok.
11340         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
11341         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
11342         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
11343         sse2_punpcklqdq): Allow operand2 in memory.
11344         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
11345         sse2_movsd): Add memory alternatives.
11346         (sse_storelps): Turn expander into an insn; split after reload.
11347         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
11348         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
11349
11350 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
11351
11352         * configure.ac (DWARF-2 debug_line): Use objdump.
11353         * configure: Regenerate.
11354
11355 2005-01-08  Jeff Law  <law@redhat.com>
11356             Diego Novillo  <dnovillo@redhat.com>
11357
11358         PR tree-optimization/18241
11359         * tree-nrv.c (tree_nrv): Ignore volatile return values.
11360         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
11361         statements with volatile operands.
11362         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
11363         operands after marking a statement with has_volatile_ops.
11364
11365 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11366
11367         * tree.c (int_fits_type_p): Always honor integer constant
11368         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
11369
11370 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11371
11372         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
11373         the latent bug in rtl_delete_block has been resolved.
11374
11375 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
11376
11377         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
11378         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
11379
11380 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
11381
11382         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
11383         library as @multilib_dir@/$(SHLIB_SONAME).
11384
11385 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
11386
11387         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
11388         * configure: Regenerate.
11389
11390 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
11391
11392         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
11393         TYPE_MODE.
11394
11395 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
11396
11397         PR target/13674
11398         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
11399         Convert non-word aligned offset address using ld/std into
11400         indirect address.
11401
11402 2005-01-07  Richard Henderson  <rth@redhat.com>
11403
11404         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
11405
11406 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
11407
11408         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
11409
11410 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
11411
11412         PR tree-optimization/19283
11413         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
11414         is not shorter than the original type.
11415
11416         PR rtl-optimization/19012
11417         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
11418
11419         PR rtl-optimization/18861
11420         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
11421         (FULL_STATE): Define.
11422         (mark_tablejump_edge): New function.
11423         (purge_dead_tablejump_edges): New function.
11424         (find_bb_boundaries): Use it.
11425
11426         PR tree-optimization/18828
11427         * builtins.c (expand_builtin_next_arg): Remove argument and all
11428         the argument checking.
11429         (expand_builtin): Adjust caller.
11430         (expand_builtin_va_start): Likewise.  Remove error for too many
11431         arguments.
11432         (fold_builtin_next_arg): Issue error for too many arguments.
11433         After checking arguments, replace them with magic arguments that
11434         prevent further checking of the args.
11435
11436 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11437
11438         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
11439
11440 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11441
11442         PR target/6077
11443         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
11444         and %{.S:...} (and their negative variants) to test whether the
11445         input file is assembler or pre-processed-assembler independent of
11446         the actual filename extension.
11447
11448 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11449
11450         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
11451         of sign or zero extended values.
11452
11453 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
11454
11455         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
11456         for IBM long double format correctly.
11457
11458 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
11459
11460         Fix PR tree-optimization/18792
11461
11462         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
11463         to first_loop_depth, and use loop depth instead of loop number.
11464         (build_classic_dir_vector): Ditto.
11465         (compute_data_dependences_for_loop): Use depth, not loop number.
11466         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
11467         number. Pass in loops, instead of loop numbers.
11468         (gather_interchange_stats): Ditto.
11469         (linear_transform_loops): Ditto.
11470
11471 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
11472
11473         PR rtl-opt/13299
11474         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
11475         biv_fits_mode_p, extension_within_bounds_p): New functions.
11476         (check_ext_dependent_givs): Use them.
11477
11478 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11479
11480         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
11481         more than one barrier, in which case we should delete them all.
11482
11483 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
11484
11485         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
11486
11487 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
11488
11489         Fix PR middle-end/19286
11490         Fix PR debug/19267
11491         * dwarf2out.c (gen_subprogram_die): If we've already tried to
11492         output this subprogram, simply ignore this attempt to do it again.
11493         (add_abstract_origin_attribute): Don't abort trying to add the abstract
11494         origin attribute if it's not possible.
11495         (gen_block_die): Don't ignore subblocks of "unused" blocks.
11496         (decls_for_scope): Ditto.
11497         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
11498         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
11499
11500 2005-01-05  Richard Henderson  <rth@redhat.com>
11501
11502         PR target/11327
11503         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
11504         (bdesc_2arg): Use it.
11505         (ix86_expand_binop_builtin): Force operands into registers
11506         when optimizing.
11507         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
11508         ix86_expand_sse_compare, ix86_expand_sse_comi,
11509         ix86_expand_builtin): Likewise.
11510
11511 2005-01-05  Richard Henderson  <rth@redhat.com>
11512
11513         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
11514         and VEC_SELECT.
11515         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
11516         (mulv4hi3): Set itanium_class mmmul.
11517         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
11518         (fpack): Rename from fpack_sfsf.
11519
11520 2005-01-05  Richard Henderson  <rth@redhat.com>
11521
11522         PR rtl-opt/10692
11523         * reload1.c (do_input_reload): Restrict the optimization deleteing
11524         a previous output reload to RELOAD_FOR_INPUT.
11525
11526 2005-01-05  Steven Bosscher  <stevenb@suse.de>
11527
11528         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
11529         comment that we fall through after case.
11530         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
11531         (distribute_links): Likewise.
11532         * cse.c (cse_insn): Likewise.
11533         * cselib.c (cselib_invalidate_mem): Likewise.
11534         * df.c: Update comments at the top of the file.
11535         (read_modify_subreg_p): Update comments here too.
11536         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
11537         * flow.c (mark_set_1): Likewise.
11538         (mark_used_regs): Likewise.
11539         * gcse.c (mems_conflict_for_gcse_p): Likewise.
11540         (canon_list_insert): Likewise.
11541         (mark_set): Likewise.
11542         (try_replace_reg): Likewise.
11543         (store_killed_in_insn): Likewise.
11544         * loop.c (count_one_set): Likewise.
11545         (basic_induction_var): Likewise.
11546         * postreload-gcse.c (find_mem_conflicts): Likewise.
11547         * postreload.c (reload_combine_note_store): Likewise.
11548         (move2add_note_store): Likewise.
11549         * reload.c (find_equiv_reg): Likewise.
11550         (mark_referenced_resources): Likewise.
11551         * rtlanal.c (set_noop_p): Likewise.
11552         (note_stores): Likewise.
11553         (note_uses): Likewise.
11554         * sched-deps.c (sched_analyze_1): Likewise.
11555         * sched-rgn.c (check_live_1): Likewise.
11556         (update_live_1): Likewise.
11557         * config/i860/i860.c: Likewise.
11558
11559         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
11560         an lvalue.
11561         (ZERO_EXTRACT): Mention that this one can be an lvalue.
11562
11563         * doc/rtl.texi: Update documentation for bit-fields and SET.
11564
11565 2005-01-05  Roger Sayle  <roger@eyesopen.com>
11566
11567         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
11568
11569 2005-01-05  Jan Hubicka  <jh@suse.cz>
11570             Richard Henderson  <rth@redhat.com>
11571
11572         PR target/18910
11573         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
11574         with an offset.
11575
11576 2005-01-05  Richard Henderson  <rth@redhat.com>
11577
11578         PR target/12902
11579         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
11580         (sse_shufps): Change operand 3 to const_int_operand.
11581         (sse2_storelps): Fix typo in template.
11582         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
11583         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
11584         (ix86_expand_builtin): Likewise.
11585
11586 2005-01-05  Julian Brown  <julian@codesourcery.com>
11587
11588         * config/arm/arm.c (arm_return_in_memory): Treat complex types
11589         as aggregates for AAPCS ABIs.
11590
11591 2005-01-05  Stan Shebs  <shebs@apple.com>
11592
11593         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
11594         Mach-O getters if ppc64.
11595         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
11596         size argument.
11597         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
11598         signed four-byte field for global code case.
11599         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
11600
11601 2005-01-05  Roger Sayle  <roger@eyesopen.com>
11602
11603         PR middle-end/19100
11604         * c-common.c: Include real.h.
11605         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
11606         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
11607         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
11608         * Makefile.in (c-common.o): Update dependencies.
11609
11610 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
11611
11612         * c-parse.in (asm_string): Add trailing semicolon.
11613
11614 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
11615
11616         * c-parse.in (asm_string): New.  Don't allow wide strings in
11617         'asm'.
11618         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
11619         asm_string instead of STRING.
11620
11621 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
11622
11623         * c-typeck.c (constructor_no_implicit): Remove.
11624         (set_designator, process_init_element): Don't check
11625         constructor_no_implicit.
11626
11627 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
11628             Kaz Kojima  <kkojima@gcc.gnu.org>
11629
11630         PR target/16482
11631         * lcm.c (create_pre_exit): New.
11632         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
11633         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
11634
11635 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
11636
11637         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
11638         -msoft-float in target_float_switch.
11639         * arm.c (arm_override_options): Fix processing of target_float_switch.
11640
11641 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
11642
11643         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
11644         preferencing.
11645
11646 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
11647
11648         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
11649         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
11650
11651 2005-01-04  Roger Sayle  <roger@eyesopen.com>
11652
11653         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
11654         if deleting the then-block allows the test-block to fallthru to the
11655         else-block.
11656
11657 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
11658
11659         PR c/19152
11660         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
11661         after the full declaration if the are in two different TUs.
11662
11663 2005-01-04  Richard Henderson  <rth@redhat.com>
11664
11665         PR tree-opt/19158
11666         * tree-sra.c (generate_one_element_init): Just
11667         call gimplify_and_add.
11668         (generate_element_init): Record the
11669         new referenced variables and mark them for renaming
11670         and split out to ...
11671         (generate_element_init_1): This.
11672         (scalarize_init): Don't call push_gimplify_context/
11673         pop_gimplify_context.
11674
11675 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
11676
11677         * toplev.c (get_src_pwd): Handle failure of getpwd().
11678
11679 2005-01-04  Roger Sayle  <roger@eyesopen.com>
11680
11681         * fold-const.c (fold_single_bit_test): Delete unreachable handling
11682         of TRUTH_NOT_EXPR.
11683         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
11684         all the cases handled by it are inverted by invert_truthvalue.
11685
11686 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11687
11688         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
11689         (save_register_windowsi): Likewise.
11690
11691 2005-01-04  Richard Henderson  <rth@redhat.com>
11692
11693         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
11694
11695 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
11696
11697         PR middle-end/17767
11698         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
11699         any simplifications of vector mode comparison operators.
11700         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
11701
11702 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
11703             Devang Patel  <dpatel@apple.com>
11704
11705         PR tree-optimization/18308
11706         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
11707         the operands before creating a new expression.
11708         * dojump.c (do_jump): Make drop_through_label available
11709         for all cases.  Add expansion of COND_EXPR.
11710
11711 2005-01-04  Ira Rosen  <irar@il.ibm.com>
11712
11713         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
11714         INTEGER_CST instead of TREE_CONSTANT.
11715         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
11716         instead of TREE_CONSTANT.
11717         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
11718         instead of TREE_CONSTANT.
11719
11720 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11721
11722         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
11723
11724 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
11725
11726         PR target/19240
11727         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
11728         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
11729
11730 2005-01-03  Richard Henderson  <rth@redhat.com>
11731
11732         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
11733         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
11734         fold_convert_const_real_from_real): Split out from ...
11735         (fold_convert_const): ... here.
11736
11737 2005-01-03  Richard Henderson  <rth@redhat.com>
11738
11739         PR target/19235
11740         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
11741         (mov<MMXMODEI>_internal): Likewise.
11742         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
11743         Add V2SF case; use it for SSE1; don't use TI.
11744         (movdf_integer): Likewise.
11745         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
11746
11747 2005-01-03  Ira Rosen  <irar@il.ibm.com>
11748
11749         * tree-vectorizer.c (vect_strip_conversions): New function.
11750         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
11751         check for binary class.
11752
11753 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
11754
11755         Fix PR debug/17924
11756         Fix PR debug/19191
11757         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
11758         is a decl.
11759         * gimple-low.c (mark_blocks_with_used_vars): New function.
11760         (mark_blocks_with_used_subblocks): Ditto.
11761         (mark_used_blocks): Ditto.
11762         (pass_mark_used_blocks): New pass.
11763         * tree-inline.c: Include debug.h.
11764         (expand_call_inline): Call outlining_inline_function here.
11765         * tree-optimize.c (init_tree_optimization_passes): Add
11766         pass_mark_used_blocks.
11767         * tree-pass.h (pass_mark_used_blocks): New.
11768         * Makefile.in (tree-inline.o): Add debug.h dependency.
11769
11770 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
11771
11772         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
11773         VAR_DECLs to have weak_import attribute.
11774
11775         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
11776         'struct ucontext'.
11777
11778 2004-01-03  Steven Bosscher  <stevenb@suse.de>
11779
11780         * passes.c (rest_of_compilation): Don't run regmove if only
11781         flag_expensive_optimizations, require flag_regmove instead.
11782
11783 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
11784
11785         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
11786         register "sparc".
11787         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
11788         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11789         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
11790         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11791
11792 2005-01-03  Richard Henderson  <rth@redhat.com>
11793
11794         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
11795         (ia64_const_ok_for_letter_p): New.
11796         (ia64_const_double_ok_for_letter_p): New.
11797         (ia64_extra_constraint): New.
11798         (ia64_expand_vecint_compare): New.
11799         (ia64_expand_vcondu_v2si): New.
11800         (ia64_expand_vecint_cmov): New.
11801         (ia64_expand_vecint_minmax): New.
11802         (ia64_print_operand): Add 'v'.
11803         (ia64_preferred_reload_class): New.
11804         (ia64_vector_mode_supported_p): New.
11805         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
11806         (PREFERRED_RELOAD_CLASS): Move to function.
11807         (CONST_OK_FOR_LETTER_P): Move to function.
11808         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
11809         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
11810         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
11811         (EXTRA_CONSTRAINT): Move to function.
11812         * config/ia64/ia64.md: Include vect.md.
11813         (itanium_class): Add mmalua.
11814         (type): Handle it.
11815         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
11816         (1b_mmalua): New.
11817         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
11818         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
11819         CONST0_RTX.
11820         (const_int_2bit_operand): New.
11821         (fr_reg_or_0_operand): New.
11822         * config/ia64/ia64-modes.def: Add vector modes.
11823         * config/ia64/ia64-protos.h: Update.
11824         * config/ia64/vect.md: New file.
11825
11826 2005-01-03  Richard Henderson  <rth@redhat.com>
11827
11828         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
11829
11830 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
11831
11832         PR target/19236
11833         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
11834         to SFmode.
11835         (log1pdf2): Change mode of operands[0,1] to DFmode.
11836
11837 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
11838
11839         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
11840         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
11841         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
11842         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
11843         SPARC_RELAXED_ORDERING.
11844
11845 2005-01-03  Richard Henderson  <rth@redhat.com>
11846             Uros Bizjak  <uros@kss-loka.si>
11847
11848         PR target/14631
11849         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
11850         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
11851         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
11852         handling.
11853         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
11854         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
11855         const_pow2_1_to_128_operand): New predicates.
11856
11857 2005-01-02  Greg McGary  <greg@mcgary.org>
11858
11859         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
11860         anonymous decls.
11861         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
11862         object.  [ptr_type]: Remove unused variable.
11863         Remember nearest addressable array-element or record-component
11864         when checking bitfield components.  Tolerate empty BIND_EXPR.
11865
11866 2005-01-01  Richard Henderson  <rth@redhat.com>
11867
11868         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
11869         that don't narrow the value.  Fail for other conversions.
11870
11871 2005-01-01  Richard Henderson  <rth@redhat.com>
11872
11873         PR c/19031
11874         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
11875         * c-lang.c (finish_file): Don't do it here.
11876         * objc/objc-act.c (objc_finish_file): Likewise.
11877
11878         * cgraph.c (decl_assembler_name_equal): New.
11879         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
11880         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
11881         * cgraph.h (struct cgraph_varpool_node): Add next.
11882         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
11883         * varasm.c (assemble_alias): Mark the target as needed.
11884
11885 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
11886
11887         PR middle-end/19221
11888         * function.c (get_arg_pointer_save_area): Use entry_of_function
11889         instead of get_insns.
11890
11891 2005-01-01  Roger Sayle  <roger@eyesopen.com>
11892             Andrew Pinski  <pinskia@physics.uc.edu>
11893             James E. Wilson  <wilson@specifixinc.com>
11894
11895         PR rtl-optimization/12092
11896         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
11897         is zero.
11898
11899 2005-01-01  Roger Sayle  <roger@eyesopen.com>
11900             Olivier Hainque  <hainque@act-europe.fr>
11901
11902         * tree.c (int_fits_type_p): A narrower type always fits in a
11903         wider one, except for negative values into unsigned types.
11904
11905 2005-01-01  Roger Sayle  <roger@eyesopen.com>
11906
11907         * tree.c (int_fits_type_p): Compare the result of force_fit_type
11908         with the original constant rather than require TREE_OVERFLOW.
11909
11910 2005-01-01  Steven Bosscher  <stevenb@suse.de>
11911
11912         PR middle-end/17544
11913         * c-decl.c (finish_function): If compiling C99, annotate the
11914         compiler generated return with the current file name and line 0.
11915         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
11916         the source line is greater than 0.
11917         (remove_bb): Likewise.