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1 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
2
3         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
4         config/i386/sse.md: Fix comment typos.
5
6 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7
8         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
9         * configure: Regenerate.
10         * config.in: Likewise.
11         * system.h: Declare vsnprintf if not already declared.
12
13 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
14
15         * optc-gen.awk: Handle stand-alone Mask records.
16         * opth-gen.awk: Likewise.
17         * doc/options.texi (Option file format): Document them.
18         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
19         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
20         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
21         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
22         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
23         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
24         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
25         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
26         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
27         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
28         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
29         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
30         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
31         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
32         TARGET_LONG_DOUBLE_128): Likewise.
33         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
34         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
35         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
36         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
37         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
38         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
39         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
40         * config/sparc/sparc.c (fpu_option_set): New global.
41         (sparc_handle_option): New function.
42         (sparc_override_options): Test fpu_option_set.
43         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
44         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
45         * config/sparc/sparc.opt: New file.
46         * config/sparc/little-endian.opt: Likewise.
47         * config/sparc/long-double-switch.opt: Likewise.
48
49 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
50
51         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
52         (bfin_handle_options): Set it if -mshared-library-id= is seen.
53         * config/bfin/bfin.opt (mshared-library-id=): Lose
54         Var(bfin_lib_id_given).
55
56 2005-04-13  Matt Thomas  <matt@3am-software.com>
57  
58         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
59         defining.
60
61 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
62
63         * rtl.h (CLEAR_RTX_FLAGS): Remove.
64
65         * cgraphunit.c (INSNS_PER_CALL): Remove.
66
67         * tree-ssa-forwprop.c (vars,
68         record_single_argument_cond_exprs,
69         substitute_single_use_vars): Remove.
70         (forward_propagate_into_cond_1, forward_propagate_into_cond):
71         New.
72         (tree_ssa_forward_propagate_single_use_vars): Call
73         forward_propagate_into_cond for each COND_EXPR.
74
75         * tree-inline.c (INSNS_PER_STMT): Remove.
76
77 2005-04-12  Richard Henderson  <rth@redhat.com>
78
79         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
80         (ix86_expand_sse_fp_minmax): ... from ... 
81         (ix86_expand_fp_movcc): ... here.
82         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
83         * config/i386/i386-protos.h: Update.
84         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
85         (sse_setccsf, sse_setccdf): Allow before reload.
86         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
87         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
88         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
89         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
90         (anddf3, nanddf3, iordf3, xordf3): New.
91
92 2005-04-12  Jeff Law  <law@redhat.com>
93
94         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
95         (tree-ssa-uncprop.o): Add dependencies.
96         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
97         * tree-flow.h (remove_useless_stmts): Remove prototype.
98         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
99         remove_useless_stmts.
100         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
101         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
102         * tree-pass.h (pass_uncprop): Declare.
103         * tree-ssa-uncprop.c: New file.
104
105 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
106
107         PR target/20670
108         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
109
110 2005-04-12  Caroline Tice  <ctice@apple.com>
111
112         Temporary fix for partitioning problems.
113         * passes.c (rest_of_handle_final): Remove code that 
114         frees unlikely_text_section_name,
115         * varasm.c (assemble_start_function): Test for partitioning
116         flag before writing out section labels.
117         (assemble_end_function): Test for partitioning flag before
118         writing out section labels.
119         
120 2005-04-12  Steven Bosscher  <stevenb@suse.de>
121             Stuart Hastings <stuart@apple.com>
122             Jan Hubicka  <jh@suse.cz>
123
124         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
125         references to gt-tree-cfg.h.
126         * basic-block.h (struct basic_block_def): Don't skip rbi
127         for garbage collection.
128         (struct reorder_block_def): Make GTY-able.
129         (struct control_flow_graph): New structure.
130         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
131         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
132         but instead defines to the control_flow_graph for cfun.
133         (label_to_block_map): New define, points to the label map of
134         the control_flow_graph for cfun.
135         (n_edges_for_function, n_basic_blocks_for_function,
136         last_basic_block_for_function, basic_block_info_for_function,
137         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
138         basic_block_info_for_function, label_to_block_map_for_function):
139         Counterparts for the above, taking a struct function as an extra
140         argument.
141         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
142         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
143         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
144         (alloc_rbi_pool, free_rbi_pool): Remove.
145         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
146         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
147         here...
148         (cfg_layout_finalize) ... and don't free it here.
149         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
150         garbage collected.
151         * flow.c (free_basic_block_vars): Set label_to_block_map and
152         n_edges to zero too.
153         * function.h (struct function): Add cfg field.
154         * function.c (allocate_struct_function): Allocate the cfg.
155         * tree-cfg.c (label_to_block_map): Remove.
156         (build_tree_cfg): Don't allocate the rbi pool here...
157         (delete_tree_cfg_annotations): ...and don't free it here.
158         Also don't nullify label_to_block_map for cfun.
159
160 2005-04-12  Caroline Tice  <ctice@apple.com>
161
162         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
163         Revert my patch from April 9.
164         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
165         (reorder_basic_blocks): Revert my patch from April 9.
166         (insert_section_boundary_note): Revert my patch from April 9.
167         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
168         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
169         (COLD_END_LABEL):  Revert my patch from April 9.
170         (cold_text_section_label):  Revert my patch from April 9.
171         (cold_end_label): Revert my patch from April 9.
172         (dwarf2out_switch_text_section): Revert my patch from April 9.
173         (output_aranges): Revert my patch from April 9.
174         (output_ranges):  Revert my patch from April 9.
175         (output_line_info): Revert my patch from April 9.
176         (add_location_or_const_value_attribute):  Revert my patch from April 9.
177         (dwarf2out_var_location): Revert my patch from April 9.
178         (dwarf2out_init):  Revert my patch from April 9.
179         (dwarf2out_finish): Revert my patch from April 9.
180         * function.h (struct function): Revert my patch from April 9.
181         * opts.c (decode_options): Revert my patch from April 9.
182         * output.h (unlikely_section_label, hot_section_label,
183         hot_section_end_label, cold_section_end_label, 
184         unlikely_text_section_name): Revert my patch from April 9.
185         * passes.c (rest_of_handle_final): Revert my patch from April 9.
186         * varasm.c (unlikely_section_label, hot_section_label,
187         hot_section_end_label, cold_section_end_label,
188         unlikely_text_section_name): Revert my patch from April 9.
189         (initialize_cold_section_name): Revert my patch from April 9.
190         (unlikely_text_section): Revert my patch from April 9.
191         (in_unlikely_text_section): Revert my patch from April 9.
192         (named_section): Revert my patch from April 9.
193         (function_section): Revert my patch from April 9.
194         (current_function_section): Revert my patch from April 9.
195         (assemble_start_function): Revert my patch from April 9.
196         (assemble_end_function): Revert my patch from April 9.
197         (default_section_type_flags_1): Revert my patch from April 9.
198         
199 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
200
201         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
202         * config/sparc/sparc.md (untyped_call): Save the registers manually.
203
204         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
205
206 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
207
208         PR middle-end/20917
209         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
210         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
211
212 2004-04-12  Richard Henderson  <rth@redhat.com>
213
214         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
215         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
216         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
217         (UNSPEC_*, UNSPECV_*): Renumber.
218
219 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
220
221         PR mudflap/19266
222         From Richard Henderson <rth@redhat.com>:
223         * tree-mudflap.c (mf_build_check_statement_for): Correct block
224         splitting logic.
225
226 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
227
228         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
229
230 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
231
232         * config/bfin/bfin.c (bfin_library_id_string): Remove.
233         (bfin_library_id): New variable.
234         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
235         instead of bfin_library_id_string.
236         (bfin_handle_option): New function.
237         (override_options): Remove most code to deal with shared library IDs,
238         just check they aren't used without -mid-shared-library.
239         (TARGET_HANDLE_OPTION): Define.
240         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
241         * config/bfin/bfin.opt (mshared-library-id=): New.
242
243 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
244
245         * tree-vect-transform.c: Fix comment typos.
246
247 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
248
249         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
250         split critical edges when not possible/profitable.
251
252 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
253
254         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
255         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
256         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
257         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
258         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
259         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
260         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
261         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
262         MASK_NO_BITFIELD.
263         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
264         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
265         * config/ns32k/ns32k.opt: New file.
266
267 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
268
269         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
270         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
271         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
272         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
273         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
274         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
275         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
276         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
277         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
278         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
279         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
280         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
281         (MASK_COLDFIRE): Formatting fixes.
282         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
283         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
284         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
285         "_current_shared_library_a5_offset_".
286         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
287         (MASK_ALL_CPU_BITS): New macro.
288         (m68k_handle_option): New function.
289         (override_options): Remove handling of m68k_library_id_string.
290         * config/m68k/m68k.opt: New file.
291         * config/m68k/ieee.opt: New file.
292
293 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
294
295         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
296         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
297         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
298         (TARGET_CXX): Adjust accordingly.
299         * target.h (struct gcc_target): Remove epxort_class_data.  Add
300         determine_class_data_visibility and class_data_always_comdat.
301         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
302         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
303         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
304         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
305         (arm_cxx_determine_class_data_visibility): New.
306         (arm_cxx_class_data_always_comdat): Likewise.
307         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
308         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
309         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
310         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
311         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
312         Define.
313
314 2005-04-11  Devang Patel  <dpatel@apple.com>
315
316         * tree-data-ref.c (build_classic_dist_vector,
317         compute_subscript_distance): Make externally visible.
318         * tree-data-ref.h (build_classic_dist_vector,
319         compute_subscript_distance): Same.
320         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
321         Check distance vector against vectorization factor.
322         (vect_analyze_loop): Determine vectorizaion factor before
323         analyzing data dependences.
324         * tree-vectorizer.c (loops_num): Make it externally visible and
325         rename ...
326         * tree-vectorizer.c (vect_loops_num): ... new name.
327         * tree-vectorizer.h  (vect_loops_num): New.
328
329 2005-04-11  Devang Patel  <dpatel@apple.com>
330
331         * tree-vect-analyze.c (vect_analyze_operations): Check
332         vectorizable codition.
333         * tree-vect-transform.c (vect_is_simple_cond): New function.
334         (vectorizable_condition): New function.
335         (vect_transform_stmt): Handle condition_vec_info_type.
336         * tree-vectorizer.h (enum stmt_vec_info_type): Add
337         condition_vec_info_type.
338         (vectorizable_condition): New.
339         
340 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
341
342         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
343         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
344         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
345
346         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
347         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
348
349         * dwarf2out.c (output_line_info): Don't try to dereference
350         a NULL current_function_decl.
351
352         * config/t-slibgcc-darwin: Don't put shared libraries in
353         directories other than $(slibdir).
354         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
355         OS uses for it.
356
357 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
358
359         PR tree-optimization/20933
360         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
361         logic to reject aliases between read-only and writable
362         variables ...
363         (may_alias_p): ... here.
364         (get_tmt_for): Do not associate read-only tags to pointers
365         whose pointed-to type is not read-only.
366         * tree-ssa.c (verify_ssa): Check that memory stores have at
367         least one V_MAY_DEF or V_MUST_DEF.
368
369 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
370
371         PR/17092
372         * configure.ac (gcc_UNLOCKED_FUNCS): New.
373         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
374         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
375         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
376         _unlocked function.
377         (fwrite_unlocked): Fix prototype.
378         
379         * configure, config.in: Regenerate.
380
381 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
382
383         * tree-ssa-loop-im.c: Include real.h.
384         (determine_invariantness_stmt): If real division divisor is
385         invariant and flag_unsafe_math_optimizations enabled, generate
386         invariant reciprocal for hoisting.
387         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
388
389 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
390
391         Fix PR tree-optimization/20926
392         
393         * tree-ssa-alias.c (add_type_alias): Handle subvars.
394         
395 2005-04-11  Devang Patel  <dpatel@apple.com>
396
397         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
398         operand ordering.
399         
400 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
401
402         * fold-const.c (fold_binary_op_with_conditional_arg):
403         use fold_buildN instead of "fold (buildN" in some
404         non obvious places.
405         (fold_unary): Likewise.
406         (fold_binary): Likewise.
407
408 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
409         
410         Fix PR tree-optimization/20612
411         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
412         handling
413         (perfect_nestify): preheaderbb is *not* part of loop of the
414         old destination.
415
416 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
417
418         * tree-ssa-alias.c (may_alias_p): If the variable
419         is a global variable and the pointer is parameter
420         and -fargument-noalias-global is used, then
421         the pointer cannot alias the variable.
422
423 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
424
425         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
426         * config/sparc/sparc.h: Likewise.
427         * config/sparc/sparc.md: Likewise.
428
429 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
430
431         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
432
433         * tree-vrp.c: Fix a comment typo.
434
435 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
436
437         PR tree-optimization/20920
438         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
439         SSA_NAME flows through an abnormal edge.
440         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
441         through abnormal edges.
442         (maybe_add_assert_expr): Likewise.
443
444 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
445
446         * config/s390/s390.h (s390_tune_string, s390_arch_string)
447         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
448         (s390_stack_size_string, s390_stack_guard_string, target_flags)
449         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
450         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
451         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
452         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
453         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
454         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
455         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
456         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
457         (TARGET_HANDLE_OPTION): Likewise.
458         (s390_tune): Initialize to PROCESSOR_max.
459         (s390_arch_string): Make static.
460         (s390_tune_string, s390_warn_framesize_string): Delete.
461         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
462         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
463         (s390_handle_arch_option, s390_handle_option): New functions.
464         (override_options): Remove parsing of option strings.
465         * config/s390/s390.opt: New file.
466
467 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
468
469         * tree-complex.c (expand_vector_operations): Call
470         update_stmt_if_modified.
471
472 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
473
474         * tree-vect-analyze (vect_determine_vectorization_factor):
475         Do not use GET_MODE_NUNITS.
476         * tree-vect-transform.c (vect_get_vec_def_for_operand,
477         (vectorizable_load, vect_transform_loop): Likewise.
478
479 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
480
481         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
482         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
483         * optabs.h (enum optab_index): Add new OTI_lceil.
484         (lceil_optab): Define corresponding macro.
485         * optabs.c (init_optabs): Initialize lceil_optab.
486         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
487         and lceildi2 patterns.
488         * builtins.c (expand_builtin_int_roundingfn): Handle
489         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
490         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
491         BUILT_IN_LLCEIL{,F,L}.
492         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
493         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
494         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
495         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
496         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
497         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
498         into lceil built-in function and (long long int)ceil{,f,l} into
499         llceil built-in function.
500         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
501         BUILT_IN_LLCEIL.
502
503 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
504
505         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
506         zero.
507
508 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
509
510         * config/arm/arm.c: Fix a comment typo.
511         * doc/tree-ssa.texi: Fix a typo.
512
513 2005-04-10  Steven Bosscher  <stevenb@suse.de>
514
515         * cselib.c (clear_table): Rename to cselib_clear_table.
516         * cselib.h (cselib_clear_table): Add prototype.
517         * gcse.c (gcse_main): Make 'f' argument unused.
518         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
519         of each basic block instead.
520         (compute_sets, compute_hash_table_work): Likewise.
521         (constprop_register): Change int 'alter_jumps' argument to bool.
522         (do_local_cprop): Likewise.
523         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
524         the insn chain.  Explicitly clear the cselib tables after finishing
525         one basic block.  Make sure there are no unterminated libcall blocks.
526         Update compute_sets call.
527         (cprop): Walk basic blocks instead of the insn chain.
528         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
529         Likewise.
530         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
531         one_cprop_pass calls.
532
533 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
534
535         * combine.c (combine_simplify_rtx): Remove a transformation that
536         relies on an invalid assumption about rtl sign-extension semantics.
537
538 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
539
540         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
541         to build_int_cst_wide.
542
543 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
544
545         PR target/20126
546         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
547         set the original address pseudo to the correct value before the
548         original insn, if possible, and leave the insn alone, otherwise
549         create a new pseudo, set it and replace it in the insn.
550         * recog.c (validate_change_maybe_volatile): New.
551         * recog.h (validate_change_maybe_volatile): Declare.
552
553 2005-04-09  Caroline Tice  <ctice@apple.com>
554
555         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
556         Remove targetm.have_named_sections test.
557         (fix_edges_for_rarely_executed_code): Likewise.
558         (insert_section_boundary_note): Likewise.
559         (reorder_basic_blocks): Check partitioning flag before calling
560         verify_hot_cold_block_grouping.
561         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
562         the function struct rather than global variables.
563         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
564         (COLD_END_LABEL): Likewise
565         (cold_text_section_label): New static global variable.
566         (cold_end_label): Likewise.
567         (dwarf2out_switch_text_section): Get hot/cold section labels from
568         the function struct rather than global variables.
569         (output_aranges): Use cold_text_section_label and cold_end_label;
570         check partitioning flag before putting out delta.
571         (output_ranges): Remove incorrect code attempting to use
572         hot/cold labels.
573         (output_line_info): Get cold section label from function struct.
574         (add_location_or_const_value_attribute): Likewise.
575         (get_subprogram_die): Get hot/cold section labels from function struct.
576         (dwarf2out_var_location): Likewise.
577         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
578         write out cold_text_section_label if partition flag is set.
579         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
580         * function.h (struct function): Add new fields to point to hot/cold
581         section labels: hot_section_label, cold_section_label,
582         hot_section_end_label and cold_section_end_label; also add new field
583         for cold text section name, unlikely_text_section_name.
584         * opts.c (decode_options): Turn off partitioning flag if
585         !targetm.have_named_sections.
586         * output.h (hot_section_label): Remove.
587         (hot_section_end_label): Remove.
588         (cold_section_end_label): Remove.
589         (unlikely_section_label): Remove.
590         (unlikely_text_section_name): Remove.
591         * passes.c (rest_of_handle_final):  Remove code that frees
592         unlikely_text_section_name.
593         * varasm.c (unlikely_section_label): Remove.
594         (hot_section_label): Remove.
595         (hot_section_end_label): Remove.
596         (cold_section_end_label): Remove.
597         (unlikely_text_section_name):  Remove.
598         (initialize_cold_section_name): Modify to call
599         targetm.strip_name_encoding; to store cold section name in current
600         function struct, if it exists; and to only use the decl_section_name
601         if flag_named_sections is true.
602         (unlikely_text_section): Modify to get section name out of current
603         function struct, if there is one; otherwise build it from
604         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
605         (in_unlikely_text_section): Likewise.
606         (named_section): Modify to get/put cold section name in current function
607         struct, if there is one.
608         (function_section):  Change 'bool unlikely' to 'int reloc'; check
609         targetm.have_named_sections before calling named_section.
610         (current_function_section): Likewise.
611         (assemble_start_function): Modify to get/put unlikely_text_section_name
612         in current function struct; modify to get hot/cold section labels
613         from function struct; initialize labels using 
614         ASM_GENERATE_INTERNAL_LABEL;
615         test partitioning flag before writing out hot section label.
616         (assemble_end_function): Test partitioning flag before writing out
617         hot/cold section labels.
618         (default_section_type_flags_1):  Modify to use array instead of
619          char* for unlikely_text_section_name; set flags correctly for
620          cold text section if there is not a current function decl.
621
622 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
623
624         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
625         and TI_VA_LIST_FPR_COUNTER_FIELD.
626         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
627         * tree-pass.h (pass_stdarg): Add.
628         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
629         * tree-stdarg.c: New file.
630         * tree-stdarg.h: New file.
631         * Makefile.in (OBJS-common): Add tree-stdarg.o.
632         (tree-stdarg.o): Add dependencies.
633         * function.h (struct function): Add va_list_gpr_size and
634         va_list_fpr_size fields.
635         * function.c (allocate_struct_function): Initialize them.
636         * target.h (struct gcc_target): Add stdarg_optimize_hook.
637         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
638         (TARGET_INITIALIZER): Add it.
639
640         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
641         va_list_{g,f}pr_counter_field.
642         (ix86_setup_incoming_varargs): Don't do anything if reg_save
643         area will not be used.  Only save registers that tree-stdarg.c
644         detected they need saving.
645         (ix86_va_start): Don't set up fields that won't be used.
646
647         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
648         va_list_{g,f}pr_counter_field.
649         (setup_incoming_varargs): Don't do anything if reg_save
650         area will not be used.  Only save registers that tree-stdarg.c
651         detected they need saving.
652         (rs6000_va_start): Don't set up fields that won't be used.
653
654         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
655         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
656         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
657         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
658
659 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
660
661         PR target/20795
662         * config/i386/i386.c (construct_container): Pass empty aligned
663         struct, union or class in memory.
664
665 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
666
667         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
668         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
669         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
670         config/rs6000/predicates.md: Fix comment typos.
671
672         * sched-int.h (haifa_insn_data): Remove blockage and units.
673         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
674         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
675         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
676
677 2005-04-09  Jan Hubicka  <jh@suse.cz>
678             Steven Bosscher  <stevenb@suse.de>
679
680         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
681         * cfgloop.c (get_loop_exit_edges): Likewise.
682         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
683         (unloop): Likewise.
684         * loop-unroll.c (analyze_insns_in_loop): Likewise.
685         * tree-cfg.c (dump_cfg_status): Likewise.
686
687 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
688
689         * config/rs6000/predicates.md (altivec_register_operand): Remove
690         redundant match_code test.
691         (gpc_reg_operand): Same.
692         (cc_reg_operand): Same.
693         (cc_reg_not_cr0_operand): Same.
694
695 2005-04-09  Jan Hubicka  <jh@suse.cz>
696
697         Forgotten hunk from my last merge patch:
698         * final.c (output_addr_const): Do not call mark_referenced.
699
700 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
701
702         * doc/tree-ssa.texi: Add immediate use documentation.
703
704 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
705
706         * arm.c (FL_WBUF): Define.
707         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
708         (arm_is_6_or_7): Delete.
709         (arm_tune_wbuf): New.
710         (arm_override_options): Set arm_tune_wbuf.
711         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
712         (arm_is_6_or_7): Delete declaration.
713         (arm_tune_wbuf): New declartion.
714         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
715         (model_wbuf): Derive from arm_tune_wbuf.
716         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
717         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
718         (arm740t): Mark CPUs as having a write buffer.
719
720 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
721
722         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
723         of 'const_double_operand' in operand 2 constraints.  Update enable
724         condition.
725
726 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
727
728         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
729         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
730         * optabs.h (enum optab_index): Add new OTI_lfloor.
731         (lfloor_optab): Define corresponding macro.
732         * optabs.c (init_optabs): Initialize lfloor_optab.
733         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
734         and lfloordi2 patterns.
735         * builtins.c (expand_builtin_int_roundingfn): New prototype.
736         (expand_builtin_int_roundingfn): New function.
737         (fold_builtin_int_roundingfn): New prototype.
738         (fold_builtin_int_roundingfn): New function, renamed from
739         fold_builtin_lround.
740         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
741         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
742         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
743         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
744         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
745         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
746         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
747         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
748         into lfloor built-in function and (long long int)floor{,f,l} into
749         llfloor built-in function.
750         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
751         BUILT_IN_LLFLOOR.
752
753 2005-04-08  Ian Lance Taylor  <ian@airs.com>
754
755         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
756         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
757         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
758         (DO_COND, DO_BODY): Likewise.
759         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
760         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
761         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
762         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
763         (build_continue_stmt, build_break_stmt): Don't declare.
764         (c_do_switch_warnings): Update declaration.
765         * c-gimplify.c (enum bc_t): Remove.
766         (struct c_gimplify_ctx, ctxp): Remove.
767         (push_context, pop_context): Remove static functions.
768         (c_genericize): Don't call push_context or pop_context.
769         (begin_bc_block, finish_bc_block): Remove static functions.
770         (build_bc_goto): Likewise.
771         (gimplify_c_loop): Likewise.
772         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
773         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
774         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
775         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
776         * c-common.c (c_do_switch_warnings): Rename from
777         c_do_switch_warnings_1.
778         (c_do_switch_warnings) [old version]: Remove.
779         (c_do_switch_expr_warnings): Remove.
780         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
781         function instead of c_do_switch_expr_warnings.
782         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
783         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
784         * c-pretty-print.c (pp_c_statement): Likewise.
785         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
786
787 2005-04-08  Devang Patel  <dpatel@apple.com>
788
789         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
790         While selecting replacement condition pay attention to loop header.
791
792 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
793
794         Merge from tree-cleanup-branch: VRP, store CCP, store
795             copy-prop, incremental SSA updating of FUD chains and
796             newly exposed symbols.
797
798         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
799         (OBJS-common): Add tree-vrp.o.
800         (tree-vrp.o): New rule.
801         * basic-block.h (nearest_common_dominator_for_set): Declare.
802         * common.opt (ftree-store-ccp): New flag.
803         (ftree-copy-prop): New flag.
804         (ftree-vrp): New flag.
805         (ftree-store-copy-prop): New flag.
806         * dominance.c (nearest_common_dominator_for_set): New.
807         * domwalk.c (walk_dominator_tree): Only traverse
808         statements in blocks marked in walk_data->interesting_blocks.
809         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
810         * fold-const.c (fold): Handle ASSERT_EXPR.
811         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
812         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
813         flag_tree_vrp at -O2.
814         * timevar.def (TV_TREE_VRP): Define.
815         (TV_TREE_COPY_PROP): Define.
816         (TV_TREE_STORE_COPY_PROP): Define.
817         (TV_TREE_SSA_INCREMENTAL): Define.
818         (TV_TREE_STORE_CCP): Define.
819         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
820         to kill_redundant_phi_nodes from comment.
821         (verify_expr): Handle ASSERT_EXPR.
822         * tree-dfa.c (mark_new_vars_to_rename): Remove second
823         argument.  Update all users.
824         (mark_call_clobbered_vars_to_rename): Remove.  Update all
825         users.
826         * tree-flow-inline.h (unmodifiable_var_p): New.
827         * tree-flow.h (enum value_range_type): Declare.
828         (struct value_range_def): Declare.
829         (value_range): Declare.
830         (remove_all_phi_nodes_for): Remove.  Update all users.
831         (find_phi_node_for): Declare.
832         (add_type_alias): Declare.
833         (count_uses_and_derefs): Declare.
834         (kill_redundant_phi_nodes): Remove.
835         (rewrite_into_ssa): Remove.
836         (rewrite_def_def_chains): Remove.
837         (update_ssa, register_new_name_mapping, create_new_def_for,
838         need_ssa_update_p, name_registered_for_update_p,
839         release_ssa_name_after_update_ssa, dump_repl_tbl,
840         debug_repl_tbl, dump_names_replaced_by,
841         debug_names_replaced_by, mark_sym_for_renaming,
842         mark_set_for_renaming, get_current_def, set_current_def,
843         get_value_range, dump_value_range, debug_value_range,
844         dump_all_value_ranges, debug_all_value_ranges,
845         expr_computes_nonzero, loop_depth_of_name,
846         unmodifiable_var_p): Declare.
847         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
848         ASSERT_EXPR.
849         * tree-into-ssa.c (block_defs_stack): Update comment.
850         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
851         syms_to_rename, names_to_release, repl_tbl,
852         need_to_initialize_update_ssa_p, need_to_update_vops_p,
853         need_to_replace_names_p): New locals.
854         (NAME_SETS_GROWTH_FACTOR): Define.
855         (struct repl_map_d): Declare.
856         (struct mark_def_sites_global_data): Add field
857         interesting_blocks.
858         (enum rewrite_mode): Declare.
859         (REGISTER_DEFS_IN_THIS_STMT): Define.
860         (compute_global_livein): Use last_basic_block instead of
861         n_basic_blocks.
862         (set_def_block): Remove last argument.  Update all callers.
863         (prepare_use_operand_for_rename): Remove.  Update all callers.
864         (prepare_def_operand_for_rename): Remove.  Update all callers.
865         (symbol_marked_for_renaming): New.
866         (is_old_name): New.
867         (is_new_name): New.
868         (repl_map_hash): New.
869         (repl_map_eq): New.
870         (repl_map_free): New.
871         (names_replaced_by): New.
872         (add_to_repl_tbl): New.
873         (add_new_name_mapping): New.
874         (mark_def_sites): Assume that all the operands in the
875         statement are in normal form.
876         (find_idf): Assert that the block in the stack is valid.
877         (get_default_def_for): New.
878         (insert_phi_nodes_for): Add new argument 'update_p'.
879         Add documentation.
880         If update_p is true, add a new mapping between the LHS of
881         each new PHI and the name that it replaces.
882         (insert_phi_nodes_1): Only call find_idf if needed.
883         (get_reaching_def): Call get_default_def_for.
884         (rewrite_operand): Remove.
885         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
886         and REWRITE_THIS_STMT are false.
887         Assume that all the operands in the statement are in
888         normal form.
889         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
890         (rewrite_virtual_phi_arguments): Remove.
891         (invalidate_name_tags): Remove.
892         (register_new_update_single, register_new_update_set,
893         rewrite_update_init_block, replace_use,
894         rewrite_update_fini_block, rewrite_update_stmt,
895         rewrite_update_phi_arguments): New.
896         rewrite_blocks): Remove argument 'fix_virtual_phis'.
897         Add arguments 'entry', 'what' and 'blocks'.
898         Initialize the dominator walker according to 'what' and
899         'blocks'.
900         Start the dominator walk at 'entry'.
901         (mark_def_site_blocks): Add argument 'interesting_blocks'.
902         Use it to configure the dominator walker.
903         (rewrite_into_ssa): Remove argument 'all'.
904         Make internal.
905         (rewrite_all_into_ssa): Remove.
906         (rewrite_def_def_chains): Remove.
907         (mark_def_interesting, mark_use_interesting,
908         prepare_phi_args_for_update, prepare_block_for_update,
909         prepare_def_site_for, prepare_def_sites,
910         dump_names_replaced_by, debug_names_replaced_by,
911         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
912         delete_update_ssa, create_new_def_for,
913         register_new_name_mapping, mark_sym_for_renaming,
914         mark_set_for_renaming, need_ssa_update_p,
915         name_registered_for_update_p, ssa_names_to_replace,
916         release_ssa_name_after_update_ssa,
917         insert_updated_phi_nodes_for, update_ssa): New.
918         * tree-loop-linear.c (linear_transform_loops): Call
919         update_ssa instead of rewrite_into_ssa.
920         * tree-optimize.c (vars_to_rename): Remove.
921         Update all users.
922         (init_tree_optimization_passes): Replace
923         pass_redundant_phi with pass_copy_prop.
924         Add pass_vrp.
925         Replace pass_ccp with pass_store_ccp.
926         Add pass_store_copy_prop after pass_store_ccp.
927         (execute_todo): If the TODO_ flags don't include updating
928         the SSA form, assert that it does not need to be updated.
929         Call update_ssa instead of rewrite_into_ssa and
930         rewrite_def_def_chains.
931         If TODO_verify_loops is set, call verify_loop_closed_ssa.
932         (tree_rest_of_compilation):
933         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
934         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
935         TODO_cleanup_cfg): Renumber.
936         (TODO_verify_loops, TODO_update_ssa,
937         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
938         TODO_update_ssa_only_virtuals): Define.
939         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
940         Declare.
941         * tree-phinodes.c (make_phi_node): Update documentation.
942         (remove_all_phi_nodes_for): Remove.
943         (find_phi_node_for): New.
944         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
945         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
946         (interpret_rhs_modify_expr): Likewise.
947         * tree-sra.c (decide_instantiations): Mark all symbols in
948         SRA_CANDIDATES for renaming.
949         (mark_all_v_defs_1): Rename from mark_all_v_defs.
950         (mark_all_v_defs): New function.  Update all users to call it 
951         with the whole list of scalarized statements, not just the
952         first one.
953         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
954         (compute_flow_insensitive_aliasing): If the tag is
955         unmodifiable and the variable isn't or vice-versa, don't
956         make them alias of each other.
957         (setup_pointers_and_addressables): If the type tag for
958         VAR is about to change, mark the old one for renaming.
959         (add_type_alias): New.
960         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
961         (ccp_lattice_t): Rename from latticevalue.
962         (value): Remove.  Update all users.
963         (const_val): New local variable.
964         (do_store_ccp): New local variable.
965         (dump_lattice_value): Handle UNINITIALIZED.
966         (debug_lattice_value): New.
967         (get_default_value): Re-write.
968         (set_lattice_value): Re-write.
969         (def_to_varying): Remove.  Update all users.
970         (likely_value): Return VARYING for statements that make
971         stores when STORE_CCP is false.
972         Return VARYING for any statement other than MODIFY_EXPR,
973         COND_EXPR and SWITCH_EXPR.
974         (ccp_initialize): Re-write.
975         (replace_uses_in, replace_vuse_in, substitute_and_fold):
976         Move to tree-ssa-propagate.c.
977         (ccp_lattice_meet): Handle memory stores when
978         DO_STORE_CCP is true.
979         (ccp_visit_phi_node): Likewise.
980         (ccp_fold): Likewise.
981         (evaluate_stmt): Likewise.
982         (visit_assignment): Likewise.
983         (ccp_visit_stmt): Likewise.
984         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
985         into DO_STORE_CCP.
986         (do_ssa_ccp): New.
987         (pass_ccp): Use it.
988         (do_ssa_store_ccp): New.
989         (gate_store_ccp): New.
990         (pass_store_ccp): Declare.
991         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
992         (may_propagate_copy): Reformat.
993         Don't abort if ORIG is a virtual and DEST isn't.
994         If NEW does not have alias information but DEST does,
995         copy it.
996         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
997         copy_prop_kind, which_copy_prop): Declare.
998         (stmt_may_generate_copy, get_copy_of_val,
999         get_last_copy_of, set_copy_of_val, dump_copy_of,
1000         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
1001         copy_prop_visit_stmt, copy_prop_visit_phi_node,
1002         init_copy_prop, fini_copy_prop, execute_copy_prop,
1003         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
1004         store_copy_prop): New.
1005         (pass_copy_prop, pass_store_copy_prop): Declare.
1006         * tree-ssa-dom.c (struct opt_stats_d): Add fields
1007         'num_const_prop' and 'num_copy_prop'.
1008         (cprop_operand): Update them.
1009         (dump_dominator_optimization_stats): Dump them.
1010         (tree_ssa_dominator_optimize): Call update_ssa instead of
1011         rewrite_into_ssa.
1012         (loop_depth_of_name): Declare extern.
1013         (simplify_cond_and_lookup_avail_expr): Guard against NULL
1014         values for LOW or HIGH.
1015         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
1016         (record_equivalences_from_stmt): Call expr_computes_nonzero.
1017         (cprop_operand): Only propagate if VAL != OP.
1018         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
1019         statement for renaming.
1020         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
1021         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
1022         add_type_alias if necessary.
1023         Call mark_new_vars_to_rename.
1024         (tree_ssa_iv_optimize): If new symbols need to be renamed,
1025         mark every statement updated, call update_ssa and
1026         rewrite_into_loop_closed_ssa.
1027         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
1028         from LIVEIN if VAR is a virtual.
1029         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
1030         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
1031         (get_call_expr_operands): Reformat statement.
1032         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
1033         symbols.
1034         * tree-ssa-propagate.c (ssa_prop_init): Initialize
1035         SSA_NAME_VALUE for every name.
1036         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1037         get_value_loaded_by): New.
1038         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
1039         substitute_and_fold): Move from tree-ssa-ccp.c.
1040         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
1041         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1042         get_value_loaded_by, replace_uses_in, substitute_and_fold):
1043         Declare.
1044         * tree-ssa.c (verify_use): Fix error message.
1045         (propagate_into_addr, replace_immediate_uses, get_eq_name,
1046         check_phi_redundancy, kill_redundant_phi_nodes,
1047         pass_redundant_phi): Remove.  Update all users.
1048         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1049         add_type_alias, if necessary.
1050         * tree-vectorizer.h (struct _stmt_vect_info): Update
1051         documentation for field 'memtag'.
1052         * tree-vrp.c: New file.
1053         * tree.def (ASSERT_EXPR): Define.
1054         * tree.h (ASSERT_EXPR_VAR): Define.
1055         (ASSERT_EXPR_COND): Define.
1056         (SSA_NAME_VALUE_RANGE): Define.
1057         (struct tree_ssa_name): Add field 'value_range'.
1058         (PHI_REWRITTEN): Remove.
1059         (struct tree_phi_node): Remove field 'rewritten'.
1060         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
1061         -ftree-store-copy-prop): Document.
1062         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
1063         Document usage of update_ssa.
1064
1065 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
1066
1067         PR target/20814
1068         * config/rs6000/predicates.md (altivec_register_operand): Accept
1069         SUBREG. 
1070         (and64_operand): Do not limit CONST_INT to mask64_operand.
1071         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
1072         (and_operand): Do not limit CONST_INT to mask_operand.
1073
1074 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
1075
1076         PR rtl-optimization/20466
1077         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
1078         for overlap of the address of each list member.
1079         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
1080
1081 2005-04-08  Mike Stump  <mrs@apple.com>
1082
1083         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
1084         
1085         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
1086         instead of 4.
1087
1088 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1089
1090         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
1091
1092         * function.c (push_function_context_to): Don't set
1093         contains_functions.
1094         * function.h (function): Remove contains_functions.
1095         (current_function_contains_functions): Remove.
1096
1097         * function.h (function): Remove instrument_entry_exit.
1098         (current_function_instrument_entry_exit): Remove.
1099
1100         * function.h (nonlocal_labels): Remove.
1101
1102         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
1103
1104         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
1105         (check_attr_value, write_attr_get, write_expr_attr_cache,
1106         find_attr, make_internal_attr): Don't reference negative_ok or
1107         unsigned_p.
1108         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
1109         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
1110         (ATTR_STATIC): Adjust the value.
1111
1112         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
1113
1114 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
1115
1116         * config/s390/tpf.h (ASM_SPEC): Define.
1117
1118 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1119
1120         * tree-flow.h: Remove the prototype for
1121         redirect_immediate_uses.
1122         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
1123
1124 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
1125
1126         * arm.c (arm_const_double_by_parts): New function.
1127         * arm-protos.h (arm_const_double_by_parts): Add prototype.
1128         * arm.md (define_split for 64-bit constants): Add another one.
1129
1130 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
1131
1132         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
1133
1134 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1135
1136         * system.h: Revert last change.
1137
1138 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
1139
1140         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
1141         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
1142         (TARGET_SWITCHES): Delete.
1143         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1144         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
1145         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
1146         * config/xtensa/xtensa.opt: New file.
1147
1148 2005-04-08  Ben Elliston  <bje@au.ibm.com>
1149
1150         * config/fp-bit.c: Include L_mul_tf in #endif comment.
1151         * config/fp-bit.h: Tidy comments.
1152
1153 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1154
1155         * system.h: Poison PARAMS.
1156
1157 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
1158
1159         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
1160         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
1161         (TARGET_SWITCHES): Delete.
1162         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1163         * config/vax/vax.opt: New file.
1164
1165 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
1166
1167         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
1168
1169 2005-04-07  Ian Lance Taylor  <ian@airs.com>
1170
1171         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
1172         define.
1173         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
1174         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
1175         Likewise.
1176
1177 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
1178
1179         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
1180         all immediate uses in PHI nodes.
1181
1182 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
1183
1184         * arm.c (arm_const_double_inline_cost): Handle any constant by
1185         using gen_lowpart and gen_highpart_mode.
1186         (note_invalid_constants): All constants in an RTX with a constraint
1187         that permits memory are now pushed to the constant pool.
1188         (output_move_double): Delete code to handle reg to reg and 
1189         constant to reg moves.
1190         (const_double_needs_minipool, output_mov_immediate): Delete.
1191         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
1192         CONST_INT and CONST_VECTOR.
1193         * arm.md (ANY64): New mode macro.
1194         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
1195         (movdf_soft_insn): Split reg-reg and const-reg moves.
1196         (split patterns for 64-bit constant and register moves): New.
1197         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
1198         (cirrus_movdf_hard_insn): Likewise.
1199         * fpa.md (movdf_fpa): Likewise.
1200         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
1201         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
1202         constraints.
1203         (movv2si_internal_2): Likewise.
1204         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
1205         (movdf_vfp): Likewise.
1206         * arm-protos.h (output_mov_immediate): Delete prototype.
1207
1208 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
1209
1210         PR target/20093
1211         * simplify-rtx.c (simplify_unary_operation_1): Check
1212         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
1213
1214 2005-04-06  James E Wilson  <wilson@specifixinc.com>
1215
1216         PR target/20717
1217         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
1218         ADDR_EXPR.
1219
1220 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1221
1222         * coverage.h (GCOV_TYPE_NODE): Delete.
1223         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
1224         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
1225         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
1226         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
1227         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
1228
1229 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1230
1231         PR other/20792
1232         * Makefile.in (gcc.pot): Remove options.c dependency.
1233         * optc-gen.awk: Don't quote help strings with N_().
1234
1235 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
1236
1237         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
1238         the function returns a pointer type.
1239
1240 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
1241
1242         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
1243         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
1244         * doc/invoke.texi: Documnet salias-max-implicit-fields.
1245         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
1246         explicit_uses members.
1247         (get_or_create_used_part_for): Initialize new fields.
1248         (fieldoff_compare): New function.
1249         (create_overlap_variables_for): Count number of fields, use
1250         heuristic to determine whether to create subvars for vars with
1251         only implicit uses.
1252         Sort the field list by offset and avoid creating duplicate SFT's.
1253
1254 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1255
1256         * c.opt (-F): Remove trailing whitespace from help string.
1257         (-finput-charset): Use a tab to separate the switch name and help
1258         string.
1259         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
1260         (-ftree-vectorizer-verbose): Likewise.
1261
1262 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1263
1264         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
1265         a PHI argument where a use occurs instead of all PHI arguments.
1266
1267 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
1268
1269         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
1270         scope.
1271
1272 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1273
1274         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
1275         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
1276         config/bfin/bfin.h: Fix comment typos.
1277
1278 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
1279
1280         * doc/install.texi: Update the URL for Jacks.
1281         * doc/sourcebuild.texi: Likewise.
1282
1283 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
1284
1285         PR target/17245
1286         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
1287         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
1288
1289 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1290
1291         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
1292
1293 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1294
1295         * config/v850/v850-protos.h (override_options): Delete.
1296         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
1297         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
1298         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
1299         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
1300         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
1301         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
1302         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
1303         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
1304         (OVERRIDE_OPTIONS): Delete.
1305         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
1306         (small_memory_info): Remove the value field.
1307         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
1308         TARGET_NO_APP_REGS.
1309         * config/v850/v850.c (small_memory): Remove the value field.
1310         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1311         (override_options): Delete.
1312         (v850_handle_memory_option, v850_handle_option): New functions.
1313         * config/v850/v850.opt: New file.
1314
1315 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
1316
1317         * config.host: Add a section for generic hosts, and a subsection
1318         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
1319         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
1320         * config/host-darwin.h: New.
1321         * config/x-darwin: New.
1322         * config/i386/host-i386-darwin.c: New.
1323         * config/i386/x-darwin: New.
1324         * config/rs6000/host-darwin.c: Include host-darwin.h.
1325         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
1326         (darwin_rs6000_gt_pch_use_address): Likewise.
1327         * config/rs6000/x-darwin: Change name of .o built, update
1328         dependencies for changes to rs6000/host-darwin.c.
1329
1330 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1331
1332         PR target/17824
1333         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
1334
1335 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
1336
1337         * tree-vect-analyze.c (vect_analyze_loop_form): Call
1338         split_loop_exit_edge instead of loop_split_edge_with. 
1339
1340 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
1341
1342         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
1343         UNSPEC_SET_VSCR): New constants, used throughout.
1344         (*andc3_v4sf): New.
1345         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
1346         Replace with...
1347         (altivec_vspltis<VI_char>): ... this pattern, using
1348         a QImode const_int_operand for the immediate.
1349         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
1350         define_expands.
1351
1352 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1353
1354         PR target/17822
1355         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
1356
1357 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1358
1359         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
1360
1361 2005-04-06  Ben Elliston  <bje@au.ibm.com>
1362
1363         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
1364         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
1365         macros as living in "this file" and not gcc.h.
1366
1367 2005-04-06  Ben Elliston  <bje@au.ibm.com>
1368
1369         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
1370         -ftree-live_range_split.  Perhaps renamed at some point?
1371
1372 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1373
1374         PR target/20625
1375         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
1376         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
1377
1378 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1379
1380         * tree-flow.h (number_of_iterations_cond): Declaration removed.
1381         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
1382         (number_of_iterations_special): New function.
1383         (number_of_iterations_exit): Use number_of_iterations_special.
1384         Use simplify_using_outer_evolutions only at -O3.
1385         (number_of_iterations_cond, tree_simplify_using_condition,
1386         simplify_using_initial_conditions, loop_niter_by_eval,
1387         compare_trees, can_count_iv_in_wider_type_bound,
1388         simplify_using_outer_evolutions): Use fold_build.
1389
1390 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
1391
1392         * doc/install.texi (Configuration): Document --with-java-home.
1393
1394 2005-04-05  Richard Henderson  <rth@redhat.com>
1395
1396         PR target/20342
1397         PR target/20447
1398         * config/i386/i386.c (print_operand): Handle vector zeros.
1399         (ix86_split_to_parts): Handle CONST_VECTOR.
1400         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
1401         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
1402         what modes to tie for MMX and SSE registers.
1403         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
1404         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
1405         to vector modes as well.
1406         * config/i386/predicates.md (const0_operand): Handle VOIDmode
1407         properly as an input mode.
1408
1409 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1410
1411         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
1412
1413 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1414
1415         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
1416
1417 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
1418
1419         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
1420         and local functions, set sse_nregs to 8 and float_in_sse.
1421         (function_arg_advance, function_arg): If float_in_sse, pass
1422         SFmode and DFmode arguments in SSE registers.
1423         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
1424
1425         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
1426         of -funit-at-a-time.
1427
1428 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
1429
1430         * config/i386/i386-protos.h (ix86_function_value): Accept two
1431         arguments, like the target macro.
1432         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
1433         * config/i386/i386.c (ix86_function_value): Accept the second
1434         argument of the target macro.
1435         (ix86_function_ok_for_sibcall): Pass a function pointer to
1436         ix86_function_value.
1437         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
1438         call to ix86_value_regno).
1439         (ix86_value_regno): Add support for returning floating point values
1440         in SSE registers.
1441
1442 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
1443
1444         PR tree-optimization/20076
1445         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
1446         that call __builtin_return or __builtin_apply_args.
1447
1448 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1449
1450         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
1451         Use immediate use iterator.
1452         (stmt_is_bumper_for_loop): Use immediate use iterator.
1453         * predict.c (strip_builtin_expect): Use update_stmt.
1454         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
1455         on all elements of a STATEMENT_LIST.
1456         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
1457         (bsi_remove): Remove imm_use links and mark the stmt as modified.
1458         (bsi_replace): Mark stmt as modified and the update it.
1459         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
1460         (expand_complex_libcal): Call update_stmt.
1461         (expand_complex_comparison): Call mark_stmt_modified.
1462         (expand_complex_operations_1): Call update_stmt_if_modified.
1463         (expand_vector_operations_1): Call mark_stmt_modified.
1464         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
1465         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
1466         add_immediate_use, redirect_immediate_use,
1467         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
1468         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
1469         (mark_new_vars_to_rename): Call update_stmt.
1470         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
1471         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.  
1472         Ignore PHI nodes.
1473         (unmodify_stmt): Delete.
1474         (update_stmt): New.  Force an update of a stmt.
1475         (update_stmt_if_modified): update a stmt if it is out of date.
1476         (get_stmt_operands): Verify stmt is NOT modified. 
1477         (stmt_modified_p): Update comment.
1478         (delink_imm_use): Remove a use node from its immuse list.
1479         (link_imm_use_to_list): Link a use node to a specific list.
1480         (link_imm_use): Link a node to the correct list.
1481         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
1482         it in the correct list, if appropriate.
1483         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
1484         (relink_imm_use): Link a use node in place of another node in a list.
1485         (relink_imm_use_stmt): LInk a node in place of another node, and set
1486         the stmt pointer.
1487         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
1488         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
1489         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
1490         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
1491         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
1492         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
1493         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
1494         (has_zero_uses): New.  Return true if there are no uses of a var.
1495         (has_single_use): New.  Return true if there is only a single use of a
1496         variable.
1497         (single_imm_use): New.  Return the simgle immediate use.
1498         (num_imm_uses): New.  Return the number of immediate uses.
1499         (get_v_must_def_ops): Use is now a pointer.
1500         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
1501         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of 
1502         the use node.
1503         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
1504         (delink_stmt_imm_use): Delink all immuses from a stmt.
1505         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
1506         * tree-flow.h (struct dataflow_d): Delete.
1507         (immediate_use_iterator_d): New.  Immediate use iterator struct.
1508         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
1509         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
1510         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe 
1511         iteration.
1512         (struct stmt_ann_d): Remove dataflow_t from struct.
1513         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
1514         (if_convertible_phi_p): Use FAST immuse iterator.
1515         (if_convertible_loop_p): Don't call compute_immediate_uses.
1516         (replace_phi_with_cond_modify_expr): Call update_stmt.
1517         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call 
1518         update_stmt_if_modified.
1519         (rewrite_all_into_ssa): Initialize ssa operands.
1520         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
1521         compute_immediate_uses.
1522         * tree-optimize.c (execute_todo): Call verify_ssa whenever the 
1523         ssa_property is available.
1524         (execute_one_pass):  Change parameters passed to execute_todo.
1525         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
1526         (remove_ssa_form): Call fini_ssa_operands.
1527         (insert_backedge_copies): Delete call to modify_stmt.
1528         * tree-phinodes.c (make_phi_node): Initialize use nodes.
1529         (release_phi_node): Delink any use nodes before releasing.
1530         (resize_phi_node): Relink any use nodes.
1531         (remove_phi_arg_num): Delink the use node.
1532         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
1533         (remove_all_phi_nodes_for): Release phi node first.
1534         * tree-pretty-print.c (dump_generic_node): Print stmt address.
1535         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
1536         (scalarize_use, scalarize_copy): Call update_stmt.
1537         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
1538         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
1539         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
1540         (ccp_initialize): Remove call to compute_immediate_uses.
1541         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
1542         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified 
1543         stmts.
1544         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
1545         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
1546         (eliminate_redundant_computations): Call mark_stmt_modified.
1547         (cprop_operand): Call mark_stmt_modified.
1548         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
1549         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
1550         (dse_optimize_stmt): Use new immuse interface.
1551         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
1552         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
1553         (substitute_single_use_vars): Use new immuse interface.
1554         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
1555         and compute_immediate_uses.
1556         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse 
1557         interface.
1558         (rewrite_mem_refs): Call update_stmt.
1559         (determine_lsm): Remove call to compute_imm_uses and free_df.
1560         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
1561         (try_unroll_loop_completely): Call update_stmt.
1562         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
1563         (rewrite_use_compare): Call update_stmt.
1564         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
1565         (rewrite_use) : Call update_stmt.
1566         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
1567         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call 
1568         update_stmt.
1569         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
1570         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
1571         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
1572         use nodes.
1573         (initialize_vuse_operand): New.  Initialize a vuse operand.
1574         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
1575         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
1576         (finalize_ssa_defs): Use stmt parameter.
1577         (correct_use_link): Ensure a use node is in the correct list, and has
1578         the correct stmt pointer.
1579         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
1580         finalize_ssa_v_must_defs): Also initialize use nodes.
1581         (finalize_ssa_stmt_operands): Pass extra stmt operands.
1582         (build_ssa_operands): Seperate parsing from final operand construction.
1583         (parse_ssa_operands): New.  Parse entry point for operand building.
1584         (swap_tree_operands): New.  Swap 2 tree operands.
1585         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
1586         operands.
1587         (get_expr_operands): Call swap_tree_operands when needed.
1588         (copy_virtual_operands): Use initialize routines for virtual use ops.
1589         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
1590         (verify_abort): New.  Issue imm_use error.
1591         (verify_imm_links): New Verify imm_use links for a var.
1592         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
1593         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
1594         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
1595         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
1596         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
1597         (NULL_USE_OPERAND_P) Define.
1598         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
1599         use node.
1600         (struct vuse_operand_type): New struct.
1601         (SET_USE): Call set_ssa_use_from_ptr.
1602         (USE_STMT): Define.
1603         (PHI_ARG_INDEX_FROM_USE): Define.
1604         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi 
1605         argument via SET_USE, not PHI_ARG_DEF_TREE.
1606         * tree-ssa-pre.c (eliminate): Call update_stmt.
1607         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
1608         call free_df.
1609         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
1610         (nearest_common_dominator_of_uses): Use imm_use iterator.
1611         (statement_sink_location): Use imm_use iterator and interface.
1612         (execute_sink_code): Don't call compute_immediate_uses or free-df.
1613         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
1614         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
1615         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
1616         (verify_ssa): Ensure no stmt is marked modify after optimization pass
1617         if new parameter is true.
1618         (init_tree_ssa): Don't initialize operand cache here.
1619         (delete_tree_ssa): Don't destroy operand cache here.
1620         (propagate_into_addr): Pass in a use pointer, return true if anything
1621         was changed.
1622         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
1623         (check_phi_redundancy): Use imm_use iterator.
1624         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or 
1625         free_df.
1626         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
1627         (release_ssa_name): Delink node and all elements in its imm_use list.
1628         * tree-tailcall.c (adjust_return_value): Call update_stmt.
1629         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
1630         * tree-vectorizer.c (need_imm_uses_for): Delete.
1631         (vectorize_loops): Dont call compute_immediate_uses or free_df.
1632         * tree.h (struct ssa_imm_use_d): Define.
1633         (SSA_NAME_IMM_USE_NODE): Define.
1634         (struct tree_ssa_name): Add imm_use node.
1635         (PHI_DF): Delete.
1636         (PHI_ARG_IMM_USE_NODE): Define.
1637         (struct phi_arg_d): Add imm_use node.
1638         (struct tree_phi_node): Remove struct dataflow_d element.
1639         (TDF_STMTADDR): Define.
1640
1641 2005-04-05  Dale Johannesen  <dalej@apple.com>
1642
1643         * doc/invoke.texi (Optimization Options):  Remove
1644         duplicate -fcse-follow-jumps.  Add -fweb.
1645         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
1646         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
1647
1648 2005-04-05  Per Bothner  <per@bothner.com>
1649
1650         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
1651         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
1652         (warn_uninit): Get EXPR_LOCUS from context now instead.
1653         This fixes a USE_MAPPED_LOCATION testsuite failure.
1654
1655         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
1656
1657 2005-04-05  Per Bothner  <per@bothner.com>
1658
1659         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
1660         of the artification 'return 0' in main() to BUILTINS_LOCATION.
1661         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
1662         before warning. 
1663
1664 2004-04-05  Devang Patel  <dpatel@apple.com>
1665
1666         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
1667         (lhsr<mode>3): ... new name.
1668         (altivec_vsra<VI_char>): Rename to ..
1669         (ashr<mode>3): ... new name.
1670         * config/rs6000/rs6000.c (builtin_description): Rename shift
1671         operations.
1672         
1673 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
1674
1675         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
1676         gen_lowpart_for_combine.
1677         * cse.c (gen_lowpart_if_possible): Move...
1678         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
1679         gen_lowpart_SUBREG.
1680         (gen_lowpart_no_emit_general): Use it.
1681
1682 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1683
1684         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
1685         overriding.
1686
1687 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
1688
1689         * system.h: Fix typo.
1690
1691 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1692
1693         * config/bfin/bfin-modes.def: New file.
1694         * config/bfin/bfin-protos.h: New file.
1695         * config/bfin/bfin.c: New file.
1696         * config/bfin/bfin.h: New file.
1697         * config/bfin/bfin.md: New file.
1698         * config/bfin/bfin.opt: New file.
1699         * config/bfin/crti.s: New file.
1700         * config/bfin/crtn.s: New file.
1701         * config/bfin/elf.h: New file.
1702         * config/bfin/lib1funcs.asm: New file.
1703         * config/bfin/predicates.md: New file.
1704         * config/bfin/t-bfin: New file.
1705         * config/bfin/t-bfin-elf: New file.
1706         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
1707         Document new attributes.
1708         (interrupt, interrupt_handler, saveall): Update documentation for
1709         these attributes.
1710         * doc/install.texi (Specific): Add entry for the Blackfin.
1711         * doc/invoke.texi (Blackfin Options): New section.
1712         * doc/md.texi (Blackfin family): New section to document constraints.
1713         * config.gcc: Add bfin*-* and bfin*-elf configurations.
1714
1715 2005-04-05  Olivier Hainque  <hainque@adacore.com>
1716         
1717         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
1718         match what the system unwinder expects.
1719         * config/mips/mips.c (mips_frame_set): If we're saving the return
1720         address register and the dwarf return address column number differs
1721         from the hard register number, adjust the note reg to refer to the
1722         former.
1723
1724 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
1725
1726         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
1727         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
1728         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
1729         (processor_type): New enum.
1730         (mn10300_processor): New variable.
1731         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
1732         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
1733         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
1734         (PROCESSOR_DEFAULT): New macro.
1735         * config/mn10300/mn10300.c (mn10300_processor): New variable.
1736         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1737         (mn10300_handle_option, mn10300_override_options): New functions.
1738         * config/mn10300/mn10300.opt: New file.
1739
1740 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1741             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
1742
1743         PR tree-optimization/19903
1744         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
1745         that don't fit in their type after conversion.
1746
1747 2005-04-05  Uros Bizjak <uros@kss-loka.si>
1748
1749         PR target/20421
1750         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
1751         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
1752         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
1753         flag here. Implement using define_insn_and_split.  
1754         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
1755         (frndintxf2_mask_pm_i387): New insn patterns.
1756         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
1757         Do not set ix86_optimize_mode_switching flag.
1758         (ceilsf2, ceildf2, ceilxf2): Same.
1759         (btruncsf2, btruncdf2, btruncxf2): Same.
1760         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
1761
1762 2005-04-05  Ian Lance Taylor  <ian@airs.com>
1763
1764         PR debug/9963
1765         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
1766         i386_pe_record_external_function.
1767         (i386_pe_record_external_function): Update declaration.
1768         * config/i386/winnt.c (struct extern_list): Add decl field.
1769         (i386_pe_record_external_function): Add decl parameter.
1770         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
1771         identifier.
1772         * config/i386/i386-protos.h (i386_pe_record_external_function):
1773         Update declaration.
1774
1775 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
1776
1777         * config/m68k/m68k-protos.h: Add a prototype for
1778         valid_dbcc_comparison_p_2.
1779         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
1780         extend_operator, const_uint32_operand, const_sint32_operand,
1781         general_src_operand, nonimmediate_src_operand,
1782         memory_src_operand, post_inc_operand, pre_dec_operand,
1783         pcrel_address): Move to predicates to predicates.md.
1784         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
1785         * config/m68k/m68k.md: Include predicates.md.
1786         * config/m68k/predicates.md: New.
1787
1788 2005-04-04  Roger Sayle  <roger@eyesopen.com>
1789
1790         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
1791
1792         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
1793
1794 2005-04-04  Ian Lance Taylor  <ian@airs.com>
1795
1796         * c-typeck.c (struct c_switch): Rename switch_stmt field to
1797         switch_expr.
1798         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
1799         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
1800         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
1801         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
1802         * c-common.c (c_do_switch_warnings_1): New static function broken
1803         out of c_do_switch_warnings.
1804         (c_do_switch_warnings): Call c_do_switch_warnings_1.
1805         (c_do_switch_expr_warnings): New function.
1806         * c-common.h (c_do_switch_expr_warnings): Declare.
1807
1808 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
1809             Daniel Jacobowitz  <dan@codesourcery.com>
1810
1811         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
1812         trapping divide.
1813         * rtlanal.c (may_trap_p): Same.
1814
1815 2005-04-04  Dale Johannesen  <dalej@apple.com>
1816
1817         * ChangeLog:  remove reference to ChangeLog.12.
1818
1819 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
1820
1821         CRIS epilogue as RTL.
1822         * config/cris/cris.md: Change all 0 in unspec 0 to
1823         CRIS_UNSPEC_PLT.
1824         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
1825         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
1826         patterns.
1827         ("return"): Change to define_expand.  Call cris_expand_return for
1828         actual expansion.
1829         ("*return_expanded"): New pattern.
1830         ("epilogue"): New define_expand.
1831         * config/cris/cris.h (PREDICATE_CODES): Add
1832         cris_load_multiple_op.
1833         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
1834         type.
1835         (enum cris_retinsn_type): New.
1836         (struct machine_function): New member return_type.
1837         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
1838         (cris_target_asm_function_epilogue): Remove, moving RTLified
1839         contents to...
1840         (cris_expand_epilogue): New function.
1841         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
1842         (cris_gen_movem_load, cris_load_multiple_op)
1843         (cris_return_address_on_stack_for_return, cris_expand_return): New
1844         functions.
1845         (cris_target_asm_function_prologue)
1846         (cris_initial_frame_pointer_offset): Call
1847         cris_reg_saved_in_regsave_area instead of complicated expression.
1848         Call cris_return_address_on_stack instead of an expression.
1849         (cris_print_operand) <case 'o', case 'O'>: New cases.
1850         (cris_return_address_on_stack): Change return-type to bool.
1851         (cris_simple_epilogue): Ditto.  Return false if registers are
1852         saved.
1853         * config/cris/cris-protos.h (cris_simple_epilogue)
1854         (cris_return_address_on_stack): Adjust prototype return type.
1855         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
1856         (cris_return_address_on_stack_for_return): New prototypes.
1857
1858 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
1859
1860         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
1861         gpr_or_int12_operand.
1862
1863         * config/frv/frv-protos.h: Add a prototype to
1864         frv_legitimate_memory_operand and frv_const_unspec_p.
1865         (frv_unspec): Move from frv.c.
1866         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
1867         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
1868         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
1869         gpr_or_fpr_operand, gpr_or_int12_operand,
1870         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
1871         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
1872         int6_operand, int5_operand, uint5_operand, uint4_operand,
1873         uint1_operand, int_2word_operand, uint16_operand,
1874         upper_int16_operand, integer_register_operand,
1875         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
1876         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
1877         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
1878         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
1879         move_destination_operand, movcc_fp_destination_operand,
1880         frv_function_symbol_referenced_p, move_source_operand,
1881         condexec_dest_operand, condexec_source_operand,
1882         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
1883         const_unspec_operand, gpr_or_memory_operand,
1884         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
1885         icc_operand, fcc_operand, cc_operand, icr_operand,
1886         fcr_operand, cr_operand, call_operand, sibcall_operand,
1887         symbolic_operand, relational_operator,
1888         integer_relational_operator, float_relational_operator,
1889         ccr_eqne_operator, minmax_operator,
1890         condexec_si_binary_operator, condexec_si_media_operator,
1891         condexec_si_divide_operator, condexec_si_unary_operator,
1892         condexec_sf_conv_operator, condexec_sf_add_operator,
1893         condexec_memory_operand, intop_compare_operator, acc_operand,
1894         even_acc_operand, quad_acc_operand, accg_operand: Move to
1895         predicates.md.
1896         * config/frv/frv.h (PREDICATE_CODES): Remove.
1897         * config/frv/frv.md: Include predicates.md.
1898         * config/frv/predicates.md: New.
1899
1900 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
1901
1902         PR target/19537
1903         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
1904         * tree-ssa-loop-ivopts.c: Include langhooks.h.
1905         (add_standard_iv_candidates_for_size): New function, extracting code
1906         from add_standard_iv_candidates and parameterizing it by type size.
1907         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
1908
1909 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
1910
1911         * system.h (GCOV_SIZE_TYPE): Unposion.
1912         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
1913         (GCOV_TYPE_SIZE): ...this new macro.
1914         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
1915         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
1916         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
1917         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
1918         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
1919         instead of unsigned_intSI_type_node.
1920         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
1921         (rtl_gen_one_value_profiler_no_edge_manipulation)
1922         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
1923         * value-prof.c: Include coverage.h.
1924
1925 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
1926             Diego Novillo <dnovillo@redhat.com>
1927             
1928         Fix PR tree-optimization/20703
1929         Fix PR tree-optimization/20725
1930         
1931         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
1932         (create_expression_by_pieces): Ditto.
1933         (valid_in_set): Ditto. Also handle tcc_declaration.
1934         (find_or_generate_expression): Handle comparison class.
1935         (insert_into_preds_of_block): Ditto.
1936         (insert_aux): Ditto.
1937         (create_value_expr_from): Handle comparison class, recursively
1938         handle reference nodes.
1939         (compute_avail): Handle comparison classes, rewrite a little cleaner.
1940         (execute_pre): Fix spacing.
1941         (do_fre): Renamed to execute_fre.
1942
1943 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
1944
1945         * doc/invoke.texi (SPARC options): Document that
1946         -mlittle-endian is not supported on Linux either.
1947
1948 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
1949
1950         PR target/4198
1951         PR target/12027
1952         * config.gcc (Obsolete configurations): Remove
1953         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
1954         (sparclite-*-coff*): Delete.
1955         (sparclite-*-elf*): Likewise.
1956         (sparc86x-*-elf*): Likewise.
1957         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
1958         * config/sparc/lite.h: Delete.
1959         * config/sparc/litecoff.h: Likewise.
1960         * config/sparc/liteelf.h: Likewise.
1961         * config/sparc/sp86x-elf.h: Likewise.
1962         * config/sparc/t-sparclite: Likewise.
1963         * config/sparc/t-sp86x: Likewise.
1964
1965 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
1966
1967         * config/s390/s390-protos.h: (s390_comparison,
1968         s390_alc_comparison, s390_slb_comparison, const0_operand,
1969         consttable_operand, larl_operand, s_operand,
1970         shift_count_operand, bras_sym_operand, load_multiple_operation,
1971         store_multiple_operation, s390_plus_operand): Remove prototypes.
1972         (s390_legitimate_address_without_index_p): New prototype.
1973         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
1974         to s390.h.
1975         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
1976         const0_operand, consttable_operand, larl_operand, s_operand,
1977         shift_count_operand, bras_sym_operand, load_multiple_operation,
1978         store_multiple_operation, s390_plus_operand): Move to
1979         predicates.md.
1980         (check_mode): Remove.
1981         (s390_branch_condition_mask): Remove 'static'. Move prototype to
1982         s390-protos.h.
1983         (s390_legitimate_address_without_index_p): New.
1984         * config/s390/s390.h (PREDICATE_CODES): Remove.
1985         * config/s390/s390.md: Include predicates.md.
1986         * config/s390/predicates.md: New.
1987
1988 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
1989
1990         PR target/20446
1991         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
1992         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
1993         (NEED_INDICATE_EXEC_STACK): Define to 1.
1994         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
1995         (NEED_INDICATE_EXEC_STACK): Define to 1.
1996         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
1997         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
1998         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
1999         (pic_helper_emitted_p): New global.
2000         (emit_pic_helper): New function extracted from...
2001         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
2002         Do not call emit_pic_helper if delay_pic_helper is true.
2003         (sparc_expand_prologue): Pass 'false' to load_pic_register.
2004         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
2005         (sparc_file_end): New function.
2006
2007 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2008
2009         * config/mcore/mcore-protos.h: Remove the prototypes for
2010         mcore_arith_reg_operand, mcore_general_movsrc_operand,
2011         mcore_general_movdst_operand, mcore_reload_operand,
2012         mcore_arith_J_operand, mcore_arith_K_operand,
2013         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
2014         mcore_arith_K_S_operand, mcore_arith_imm_operand,
2015         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2016         mcore_literal_K_operand, mcore_addsub_operand,
2017         mcore_compare_operand, mcore_load_multiple_operation,
2018         mcore_store_multiple_operation, mcore_call_address_operand.
2019         Add a prototype for const_ok_for_mcore.
2020         * config/mcore/mcore.c (mcore_call_address_operand,
2021         mcore_general_movsrc_operand, mcore_general_movdst_operand,
2022         mcore_arith_reg_operand, mcore_reload_operand,
2023         mcore_arith_J_operand, mcore_arith_K_operand,
2024         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
2025         mcore_arith_M_operand, mcore_arith_imm_operand,
2026         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2027         mcore_literal_K_operand, mcore_addsub_operand,
2028         mcore_compare_operand, mcore_load_multiple_operation,
2029         mcore_store_multiple_operation): Move to predicates.md.
2030         (const_ok_for_mcore): Export.
2031         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
2032         * config/mcore/mcore.md: Include predicates.md.
2033         * config/mcore/predicates.md: New.
2034
2035         * config/mcore/predicates.md: Fix a comment typo.
2036
2037 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2038             Adrian Straetling  <straetling@de.ibm.com>
2039
2040         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
2041         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
2042         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
2043         attribute.
2044         ("imul"): Removed from "type" attribute.
2045         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
2046         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"): 
2047         Changed type to imulsi.
2048         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
2049
2050 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2051
2052         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
2053         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
2054         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
2055         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
2056         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
2057         (TARGET_SWITCHES, mcore_stack_increment_string)
2058         (TARGET_OPTIONS): Delete.
2059         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
2060         than *_BIT constants.
2061         (TARGET_8ALIGN): #undef old definition before redefining to 1.
2062         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
2063         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
2064         (mcore_override_options): Delete mcore_stack_increment code.
2065         Change use of M340_BIT to MASK_M340.
2066         * config/mcore/mcore.opt: New file.
2067
2068 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2069
2070         * config/arm/arm.c (replace_symbols_in_block): Remove static
2071         function.
2072
2073 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2074
2075         * config/fr30/fr30-protos.h: Remove the prototypes for
2076         stack_add_operand, add_immediate_operand,
2077         high_register_operand, low_register_operand, call_operand,
2078         di_operand, and nonimmediate_di_operand.
2079         * config/fr30/fr30.c (stack_add_operand,
2080         add_immediate_operand, high_register_operand,
2081         low_register_operand, call_operand, di_operand,
2082         nonimmediate_di_operand): Move to predicates.md.
2083         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
2084         * config/fr30/fr30.md: Include predicates.md.
2085         * config/fr30/predicates.md: New.
2086
2087         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
2088         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
2089         mcore_call_address_operand.
2090
2091         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
2092         general_movsrc_operand.
2093
2094 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
2095
2096         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
2097         after freeing.
2098
2099 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
2100
2101         PR target/14812
2102         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
2103         a negated value.
2104
2105 2005-04-04  Richard Henderson  <rth@redhat.com>
2106             Jakub Jelinek  <jakub@redhat.com>
2107
2108         PR rtl-optimization/16104
2109         * fold-const.c (fold_unary): Fix folding of vector conversions.
2110
2111 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2112
2113         * config.gcc (xstormy16-*-elf): Set extra_options.
2114         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
2115         * config/stormy16/stormy16.opt: New file.
2116
2117 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2118
2119         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
2120         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
2121         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
2122         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
2123         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
2124         (TARGET_UNIX_ASM): Delete.
2125         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
2126         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
2127         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
2128         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2129         * config/pdp11/pdp11.opt: New file.
2130
2131 2005-04-03  Roger Sayle  <roger@eyesopen.com>
2132             Alexandre Oliva  <aoliva@redhat.com>
2133
2134         PR c++/19199
2135         * fold-const.c (non_lvalue): Split tests into...
2136         (maybe_lvalue_p): New function.
2137         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
2138         C++ front-end prior to lowering into gimple form.
2139
2140 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2141
2142         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
2143         BUILT_IN_STRNCASECMP): New.
2144         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
2145         and strndup.
2146
2147 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
2148
2149         PR target/14812
2150         * arm.md (addsi3_compare0_for_combiner): Delete.
2151         (addsi3_compare0_scratch_for_combiner): Delete.
2152         (cmpsi_neg_shiftsi): Delete.
2153         (compare_negsi_si): New pattern.
2154         (cmpsi_negshiftsi_si): New pattern.
2155         (negated_cbranchsi4): Restrict to equality_operator.
2156         
2157         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
2158         template.
2159
2160 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2161
2162         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
2163         Fix comment typos.
2164
2165         * doc/install.texi: Fix a typo.
2166
2167 2005-04-03  Steven Bosscher  <stevenb@suse.de>
2168
2169         PR middle-end/20648
2170         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
2171         a computed goto if the edge to the computed goto block has
2172         incoming abnormal edges.  Clarify how the function works.
2173
2174 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
2175
2176         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
2177         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
2178         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
2179         hash_scan_set, reg_set_between_after_reload_p,
2180         reg_used_between_after_reload_p, get_avail_load_store_reg,
2181         eliminate_partially_redundant_load): Likewise.
2182         * postreload.c (reload_cse_simplify_set,
2183         reload_combine_note_use): Likewise.
2184         * predict.c (predict_insn, expected_value_to_br_prob,
2185         propagate_freq, expensive_function_p): Likewise.
2186         * print-rtl.c (print_rtx): Likewise.
2187         * profile.c (instrument_edges, instrument_values,
2188         compute_branch_probabilities, branch_prob, union_groups,
2189         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
2190         * protoize.c (in_system_include_dir, file_could_be_converted,
2191         file_normally_convertible, gen_aux_info_file, seek_to_line,
2192         do_cleaning): Likewise.
2193         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
2194         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
2195         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
2196
2197 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2198
2199         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
2200         * modulo-sched.c (undo_replace_buff_elem): New structure.
2201         (kernel_number_of_cycles, ps_unschedule_node,
2202         undo_generate_reg_moves,free_undo_replace_buff,
2203         undo_permute_partial_schedule,  loop_single_full_bb_p,
2204         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
2205         build_loops_structure, get_sched_window): New.
2206         (generate_reg_moves): Return undo_replace_buff_elem and other
2207         fixes.
2208         (generate_prolog_epilog): Remove old loop versioning.
2209         (sms_schedule): Use loop information and loop_version.
2210         (sms_schedule_by_order): Split part of it to get_sched_window.
2211         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
2212         cfg_layout_finalize and free_dominance_info before/after SMS.
2213
2214 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2215
2216         * cfghooks.c (lv_flush_pending_stmts,
2217         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
2218         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
2219         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
2220         lv_add_condition_to_bb,
2221         lv_adjust_loop_header_phi, extract_cond_bb_edges,
2222         flush_pending_stmts): New in cfg_hooks structure.
2223         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
2224         extract_cond_bb_edges, lv_adjust_loop_header_phi,
2225         lv_add_condition_to_bb): New declarations.
2226         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
2227         bool.
2228         (loop_version): Declare.
2229         * cfgloopmanip.c (cfghooks.h): Include.
2230         (duplicate_loop_to_header_edge): Change return type to bool.
2231         (loop_version, lv_adjust_loop_entry_edge): Move here.
2232         * cfgrtl.c (cfgloop.h): Include.
2233         (rtl_verify_flow_info_1): Fix.
2234         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
2235         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
2236         initialization.
2237         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
2238         tree_lv_add_condition_to_bb): New.
2239         (tree_cfg_hooks): Add new hooks to initialization.
2240         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
2241         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
2242
2243 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2244
2245         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
2246         xstormy16_below100_or_register,
2247         xstormy16_splittable_below100_or_register, and
2248         nonimmediate_nonstack_operand.
2249
2250         * config/stormy16/stormy16-protos.h: Remove the prototypes for
2251         xstormy16_ineqsi_operator, equality_operator,
2252         inequality_operator, shift_operator,
2253         xstormy16_below100_operand, xstormy16_below100_or_register,
2254         xstormy16_splittable_below100_or_register,
2255         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
2256         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
2257         equality_operator, inequality_operator,
2258         xstormy16_below100_operand, xstormy16_below100_or_register,
2259         xstormy16_splittable_below100_or_register,
2260         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
2261         nonimmediate_nonstack_operand, shift_operator): Move to
2262         predicates.md.
2263         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
2264         * config/stormy16/stormy16.md: Include predicates.md.
2265         * config/stormy16/predicates.md: New.
2266
2267 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2268
2269         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
2270         small_int, large_int, reg_or_0_operand, simple_memory_operand,
2271         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
2272         move_operand, power_of_2_operand): Move to predicates.md.
2273         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
2274         PREDICATE_CODE): Remove.
2275         * config/iq2000/iq2000.md: Include predicates.md.
2276         * config/iq2000/predicates.md: New.
2277
2278 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
2279
2280         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
2281         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
2282         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
2283         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
2284         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
2285         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
2286         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
2287         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2288         (TARGET_M68HC11): Delete.
2289         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
2290         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
2291         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
2292         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2293         (nb_soft_regs): Delete.
2294         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
2295         (m68hc11_override_options): Remove the code that caters for MASK_M6811
2296         and MASK_M6812 being set simultaneously.  Change the code that sets
2297         the default m68hc11_soft_reg_count to use integers instead of strings.
2298         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
2299         m68hc11_soft_reg_count (which now has an int type) as the number
2300         of soft registers.
2301         * config/m68hc11/m68hc11.opt: New file.
2302
2303 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2304
2305         * config/fr30/fr30.h (PREDICATE_CODES): Remove
2306         fp_displacement_operand, sp_displacement_operand.
2307
2308         * config/m68hc11/m68hc11-protos.h: Add a prototype for
2309         m68hcc_auto_inc_p.
2310         Remove the prototypes for tst_operand, cmp_operand,
2311         stack_register_operand, d_register_operand,
2312         hard_addr_reg_operand, splitable_operand,
2313         m68hc11_logical_operator, m68hc11_arith_operator,
2314         m68hc11_non_shift_operator, m68hc11_shift_operator,
2315         m68hc11_unary_operator, m68hc11_eq_compare_operator,
2316         non_push_operand, hard_reg_operand, and
2317         reg_or_some_mem_operand.
2318         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
2319         extern.
2320         (tst_operand, cmp_operand, non_push_operand,
2321         splitable_operand, reg_or_some_mem_operand,
2322         stack_register_operand, d_register_operand,
2323         hard_addr_reg_operand, hard_reg_operand,
2324         m68hc11_eq_compare_operator, m68hc11_logical_operator,
2325         m68hc11_arith_operator, m68hc11_non_shift_operator,
2326         m68hc11_shift_operator, m68hc11_unary_operator): Move to
2327         predicates.md.
2328         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
2329         * config/m68hc11/m68hc11.md: Include predicates.md.
2330         * config/m68hc11/predicates.md: New.
2331
2332 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2333
2334         PR debug/19345
2335         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
2336         change checked in along with 2005-03-03's patch for debug/20253.
2337         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
2338         (remap_decl): Insert type decl in map earlier.
2339
2340 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2341
2342         PR tree-optimization/20640
2343         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
2344         post-dominator if it has phi nodes.
2345         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
2346         before dead statements.
2347
2348 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2349
2350         PR middle-end/20491
2351         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
2352
2353 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2354
2355         PR rtl-optimization/20290
2356         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
2357         in every iteration if the entry point is the exit test.
2358
2359 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
2360
2361         * config/cris/cris.md (attribute "length"): Define.
2362
2363 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
2364
2365         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
2366         (word_offset_memref_operand): New.
2367         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
2368         (indexed_or_indirect_operand): Delete.
2369         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
2370         (indexed_or_indirect_operand): Delete.
2371
2372         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
2373
2374         PR 20650
2375         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
2376         a register.
2377
2378         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
2379         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
2380
2381 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
2382
2383         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
2384
2385 2005-04-01  Ian Lance Taylor  <ian@airs.com>
2386
2387         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
2388         (rus, prus): Remove static variables.
2389         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
2390         (process_command): Permit report_times and use_pipes together.
2391
2392 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
2393
2394         * c-decl.c (validate_proto_after_old_defn): Look at
2395         TYPE_MAIN_VARIANT of argument types.
2396
2397 2005-04-01  Paul Brook  <paul@codesourcery.com>
2398
2399         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
2400         (arm_output_function_epilogue): Allow call_via_SP.
2401         (thumb_call_via_reg, arm_file_end): Ditto.
2402         * config/arm/arm.h (struct machine_function): Include space for SP.
2403         (thumb_call_via_label): Update declaration.
2404
2405 2005-04-01  Ian Lance Taylor  <ian@airs.com>
2406
2407         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
2408         doing a peephole optimization, once again put any notes in the
2409         proper position.
2410
2411 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2412
2413         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
2414
2415 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
2416
2417         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
2418         (block_alloc, find_free_reg): Likewise.
2419         * loop-doloop.c (doloop_modify): Likewise.
2420         * loop-invariant.c (record_use): Likewise.
2421         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
2422         get_iv_value, canon_condition, eliminate_implied_condition,
2423         eliminate_implied_condition, simplify_using_initial_values,
2424         shorten_into_mode, canonicalize_iv_subregs,
2425         iv_number_of_iterations): Likewise.
2426         * loop-unroll.c (expand_var_during_unrolling): Likewise.
2427         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
2428         unswitch_loop): Likewise.
2429         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
2430         move_movables, replace_call_address, find_and_verify_loops,
2431         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
2432         record_giv, final_giv_value, general_induction_var,
2433         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
2434         loop_giv_dump): Likewise.
2435
2436         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
2437         GCOV_CHECK_WRITING): Remove.
2438         (gcov_position, gcov_rewrite): Use gcc_assert.
2439         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
2440         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
2441         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
2442         gcc_assert.
2443
2444 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2445
2446         * tree-inline.c: Fix a typo.
2447
2448 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
2449
2450         * configure.ac (enable-checking): Explicitly set all variables for
2451         collective switch values.  Alphabetize variables. Rename
2452         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
2453         synonym for 'no'.
2454         * doc/install.texi (enable-checking): Update documentation.
2455         * configure: Rebuilt.
2456
2457 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2458
2459         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
2460         possible.
2461
2462 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
2463
2464         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
2465         Also reject cases where this pattern will cause load delay stalls
2466         unless optimizing for size and it will produce a shorter sequence.
2467         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
2468         variants to avoid pre-adjusting the base when possible.
2469
2470 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
2471
2472         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
2473         the frame and argument pointers.
2474         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
2475         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
2476         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
2477         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
2478         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
2479         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
2480
2481 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
2482
2483         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
2484         with entry for selectany attribute.
2485         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
2486         Declare.
2487         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
2488         (i386_pe_asm_named_section): Handle sections generated by
2489         selectany attribute.
2490         * doc/extend.texi (selectany): Document attribute.
2491
2492 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
2493             Jan Hubicka  <jh@suse.cz>
2494
2495         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
2496         to fix addresses involving EBP and ESP.
2497         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
2498         for SUBREGed registers.
2499         (legitimate_address_p): Accept SUBREGed registers.
2500
2501 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
2502
2503         PR c++/19406
2504         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
2505         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
2506         for FIELD_DECLs.
2507
2508 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2509
2510         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
2511
2512 2005-04-01  James E Wilson  <wilson@specifixinc.com>
2513
2514         PR c++/20505
2515         * dwarf2out.c (rtl_for_decl_init): New function.
2516         (rtl_for_decl_location): Extracted from here.
2517         (tree_add_const_value_attribute): Call rtl_for_decl_init and
2518         add_const_value_attribute.  Delete initializer_constant_valid_p call.
2519
2520 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2521
2522         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
2523         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
2524         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
2525         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
2526         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
2527         config/i386/i386.md, config/rs6000/predicates.md,
2528         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
2529         config/s390/s390.c, config/stormy16/stormy16.c,
2530         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
2531         typos.
2532
2533 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
2534
2535         PR c/17855
2536         * gimplify.c (gimplify_expr): Create a temporary for lvalue
2537         COND_EXPR and CALL_EXPR.
2538
2539 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
2540
2541         PR target/20632
2542         * genautomata.c (first_cycle_unit_presence): Check all alternative
2543         states for unit presence.
2544
2545         * doc/md.texi: Remove remark about impossibility to query unit
2546         presence in non nondeterministic automaton state.
2547         
2548         * config/ia64/ia64.c (get_template): Change order of unit querying.
2549
2550 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
2551
2552         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
2553         obsolete comment.
2554
2555 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
2556
2557         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
2558         flag for edges outside any loops.
2559
2560 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
2561
2562         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
2563
2564 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
2565
2566         * tree-ssa-alias.c: Follow spelling conventions.
2567         * doc/tree-ssa.texi: Fix a typo.
2568
2569 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
2570
2571         * postreload-gcse.c: Include target.h.
2572         (gcse_after_reload_main): Return early if we cannot modify jumps.
2573         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
2574
2575 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
2576
2577         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
2578         expensive operations.
2579
2580 2005-03-31  Ian Lance Taylor  <ian@airs.com>
2581
2582         * collect2.c (lderrout): New variable.
2583         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
2584         if it is set, to stderr.
2585         (handler): Unlink lderrout if it is set.
2586         (dump_file): Add "to" parameter.  Change all callers.
2587         (main): Initialize lderrout.
2588         (collect_execute): Add errname parameter.  Change all callers.
2589         Rename redir parameter to outname.  Never pass
2590         PEX_STDERR_TO_STDOUT to pex_run.
2591         * collect2.h (collect_execute, dump_file): Update declarations.
2592         * tlink.c (tlink_execute): Add errname parameter.  Change all
2593         callers.
2594         (do_tlink): Check lderrout as well as ldout.
2595
2596 2005-03-31  Caroline Tice  <ctice@apple.com>
2597
2598         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
2599         (bb-reorder.o): Add errors.h to list of requirements.
2600         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
2601         profiledbootstrap flags.
2602         * bb-reorder.c (errors.h): Add new include.
2603         (struct bbro_basic_block_data_def): Add new field, in_trace.
2604         (add_unlikely_executed_notes):  Remove function.
2605         (mark_bb_for_unlikely_executed_section): Remove function.
2606         (insert_section_boundary_note): New function.
2607         (verify_hot_cold_block_grouping): New function.
2608         (push_to_next_round_p): Remove variables and tests that push all
2609         cold blocks to last round.
2610         (find_traces): Remove code that added extra round of trace finding
2611         when doing partitioning.
2612         (find_traces_1_round) :  Remove variable last_round;  add code to 
2613         update new struct field, in_trace; correct trace_length where it was 
2614         incorrect before (after call to copy_bb); change code that pushed all 
2615         cold blocks to last round. Instead verify that all blocks going into 
2616         a trace belong in the same partition.
2617         (connect_traces): Modify to connect the traces in two passes, if the
2618         function contains both hot and cold blocks.  The first pass connects 
2619         all the traces for blocks in the partition that the first block in 
2620         the function belongs to; the second pass connnects all the traces 
2621         containing blocks that belong in the other partition.
2622         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
2623         code that automatically put the first block in a function into the
2624         hot partition if the function had any hot blocks.
2625         (fix_crossing_unconditional_branches): Check number of succ edges 
2626         before attempting to get one.
2627         (fix_edges_for_rarely_executed_code):  Update comment describing
2628         function.
2629         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
2630         remove call to add_unlikely_executed_notes; add call to 
2631         verify_hot_cold_block_grouping.
2632         (duplicate_computed_gotos): Don't change computed goto if it's a 
2633         crossing edge.
2634         (partition_hot_cold_basic_blocks):  Update function comment.
2635         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from 
2636         condition.
2637         (try_forward_edges): Likewise.
2638         (merge_blocks_move_predecessor_nojumps): Likewise.
2639         (merge_blocks_move_successor_nojumps): Likewise.
2640         (merge_blocks_move): Likewise.
2641         (try_crossjump_bb): Likewise.
2642         * cfglayout.c (update_unlikely_executed_notes): Remove function.
2643         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
2644         notes to cold bb's; remove call to update_unlikely_executed_notes.
2645         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
2646         NOTE_INSN_SWITCH_TEXT_SECTIONS.
2647         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
2648         function declaration.
2649         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
2650         from consideration.
2651         (rtl_can_merge_blocks): Remove redundancy from condition.
2652         (try_redirect_by_replacing_jump): Likewise.
2653         (force_nonfallthru_and_redirect): Remove code for adding
2654         UNLIKELY_EXECUTED_CODE notes to cold bb's.
2655         (commit_one_edge_insertion): Likewise.
2656         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
2657         * dbxout.c (FORCE_TEXT): Replace function_section with 
2658         current_function_section.
2659         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
2660         function, switch_text_section.
2661         (struct xcoff_debug): Likewise.
2662         (dbxout_function_end): Add code to put out label diffs for both
2663         hot and cold sections.
2664         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
2665         for new debug_hooks funciton, switch_text_section..
2666         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
2667         switch_text_section.
2668         * dwarf2out.c (struct dw_fde_struct):  Add five new fields: 
2669         dw_fde_hot_section_label, dw_fde_hot_section_end_label, 
2670         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and 
2671         dw_fde_switched_sections.
2672         (output_call_frame_info):  Add test to see if function switches text
2673         sections in the middle; if so, use appropriate extra hot and cold 
2674         section labels to compute size deltas for the hot and cold sections.
2675         (dwarf2out_begin_prologue): Add code to initialize new fields in 
2676         dw_fde_struct.
2677         (dwarf2out_switch_text_section): New function (invoked through 
2678         debug_hook); updates new fields in dw_fde_struct appropriately and
2679         increments separate_line_info_table_in_use.
2680         (dwarf2_debug_hooks): Initialize switch_text_section function to be
2681         dwarf2out_switch_text_section.
2682         (struct var_loc_node): Add new field, section_label.
2683         (output_aranges): Add code to check whether in hot or cold section and
2684         use the appropriate label in calculating deltas.
2685         (output_ranges): Likewise.
2686         (output_line_info): Add code to check which section we're in and
2687         use appropriate hot/cold label.
2688         (add_location_or_constant_value_attribute): Likewise.
2689         (gen_subprogam_die): Modify arange attributes to use correct labels.
2690         (dwarf2out_begin_block): Change call to function_section into call to
2691         current_function_section.
2692         (dwarf2out_end_block): Likewise.
2693         (dwarf2out_source_line): Likewise.
2694         (dwarf2out_var_location): Add code to check whether in hot or cold 
2695         section and use the appropriate label.
2696         * except.c (output_function_exception_table): Change call to 
2697         function_section into call to current_function_section.
2698         * final.c (profile_function): Likewise.
2699         (scan_ahead_for_unlikely_executed_note): Remove function.
2700         (final_scan_insn):  Remove calls to 
2701         scan_ahead_for_unlikely_executed_note, and related code for switching 
2702         to cold section, except for the single time 
2703         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to 
2704         debug_hooks->switch_text_sections; replace appropriate calls to 
2705         function_section with calls to current_function_section.
2706         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add 
2707         test_bb to condition.
2708         (find_if_case_2): Likewise.
2709         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
2710         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
2711         * opts.c (decode_options): Change warning about hot/cold partitioning
2712         with exceptionss to inform (so as not to cause bootstrap failures);
2713         remove warning about partitioning with DWARF debug info.
2714         * output.h (current_function_section): Add new function decl.
2715         (insert_section_boundary_note): Likewise.
2716         (enum in_section): Move this declaration here from varasm.c.
2717         (unlikely_section_label): Likewise.
2718         (unlikely_text_section_name): Likewise.
2719         (last_text_section_name): New global variable.
2720         (last_text_section): Likewise.
2721         (hot_section_label): Likewise.
2722         (hot_section_end_label): Likewise.
2723         (cold_section_end_label): Likewise.
2724         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
2725         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
2726         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
2727         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note 
2728         insn from consideration.
2729         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function, 
2730         switch_text_section.
2731         * varasm.c (basic-block.h): Add new include.
2732         (unlikely_section_label_printed): Remove global variable.
2733         (unlikely_section_label): Make global variable not be static any more.
2734         (unlikely_text_section_name): Likewise.
2735         (hot_section_end_label): New global variable (not static)
2736         (first_function_block_is_cold): Likewise.
2737         (hot_section_label): Likewise.
2738         (cold_section_end_label): Likewise..
2739         (last_text_section): New global variable, not static.
2740         (last_text_section_name): New global variable, not static.
2741         (initialize_cold_section_name): New function.
2742         (enum in_section): Move declaration to output.h.
2743         (text_section): Update last_text_section.
2744         (unlikely_text_section): Replace code to determine cold section name 
2745         with call to initialize_cold_section_name; Add code to update 
2746         last_text_section; remove code for printing out label.
2747         (named_section_real): Add code to update last_text_section and 
2748         last_text_section_name as appropriate.
2749         (function_section): Change test for 'unlikely' to depend on
2750         first_function_block_is_cold (moved old test to 
2751         current_function_section).
2752         (current_function_section): New function.
2753         (assemble_start_function): Move code that frees 
2754         unlikely_text_section_name; initialize hot_section_end_label; 
2755         print hot and cold section labels at the start of the function; 
2756         set first_function_block_is_cold, if appropriate; initialize l
2757         ast_text_section; add call to insert_section_boundary_note.
2758         (assemble_end_function):  Add code to write out hot and cold section
2759         end labels.
2760         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
2761         switch_text_section.
2762         * config/darwin.c (machopic_select_section): Replace incorrect 
2763         function in base_funs; update reloc for cold sections if necessary.
2764         * config/darwin.h (SECTION_FUNCTION):  Add code to update 
2765         last_text_section if appropriate.
2766         (text_unlikely_section): Remove.
2767         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
2768         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
2769         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
2770         partitioning for this architecture.
2771
2772 2005-03-31  Olivier Hainque  <hainque@adacore.com>
2773
2774         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
2775         defined and non-zero.
2776
2777 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2778
2779         PR c++/18644
2780         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
2781         semantics. 
2782
2783 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
2784
2785         PR target/20611
2786         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
2787         label operand.  Remove (use (unspec..)).  Don't emit a label on
2788         the offset word.
2789         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
2790         generate inline label for load_toc_v4_PIC_1b.
2791         (rs6000_emit_load_toc_table): Likewise.
2792
2793 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
2794
2795         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
2796         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
2797
2798 2005-03-29  Devang Patel  <dpatel@apple.com>
2799
2800         * tree-sra.c (decide_block_copy): Disable scalarization of
2801         sub-elements.
2802         
2803 2005-03-30  Stuart Hastings  <stuart@apple.com>
2804             Dale Johannesen  <dalej@apple.com>
2805
2806         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
2807         * print-tree.c (print_node):  Add case STATEMENT_LIST.
2808
2809 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
2810
2811         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
2812         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
2813         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
2814         is given with "powerpc64*" or "all", or when --with-cpu chooses
2815         a 64-bit cpu.
2816
2817 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
2818
2819         PR debug/20268
2820         * dwarf2out.c (add_high_low_attributes): New function, extracted from
2821         gen_lexical_block_die.
2822         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
2823
2824 2005-03-31  Jan Hubicka  <jh@suse.cz>
2825
2826         2004-11-02  Jan Hubicka  <jh@suse.cz>
2827
2828         * cgraph.c (cgraph_varpool_node_name): New function.
2829         (dump_cgraph_varpool_node): New function.
2830         (dump_varpool): New function.
2831         * cgraphunit.c (cgraph_optimize): Dump varpool.
2832
2833         2004-10-16  Jan Hubicka  <jh@suse.cz>
2834
2835         * cgraph.c (decide_is_variable_needed): New function.
2836         (cgraph_varpool_finalize_decl): Use it.
2837         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
2838         unit-at-a-time.
2839         * final.c (output_addr_const): Do not call mark_referenced.
2840         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
2841         always go via cgraph.
2842         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
2843         (check_global_declarations): Ifdef out code clearing DECL_RTL.
2844         * tree-optimize.c (execute_inline): Mark functions called.
2845         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
2846
2847         2004-10-11  Jan Hubicka  <jh@suse.cz>
2848
2849         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
2850         (cgraph_varpool_last_needed_node): New static variable.
2851         (enqueue_needed_varpool_node): Break out from ...; add items to the
2852         end of queue; update first pointers.
2853         (cgraph_varpool_mark_needed_node): ... here.
2854         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
2855         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
2856         * cgraph.h (cgraph_varpool_node): Add analyzed field.
2857         (cgraph_varpool_first_unanalyzed_node): Declare.
2858         * cgraphunit.c: Include output.h.
2859         (cgraph_varpool_analyze_pending_decls): New function.
2860         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
2861         for errors, analyze pending decls.
2862         (cgraph_finalize_compilation_unit): Only analyze decls.
2863         (cgraph_optimize): Assemble the decls after expanding.
2864
2865 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
2866
2867         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
2868         subvars get marked properly in tags for grouping.
2869         (add_pointed_to_var): Mark only actual pointed to
2870         variables/subvars in addresses needed.
2871         (create_overlap_variables_for): Clear call clobbered on original
2872         variable.
2873         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
2874         addresable vars with subvars into list.
2875         * tree-ssa.c (verify_ssa_name): Verify original is not used where
2876         subvar should be.
2877
2878 2005-03-30  Richard Henderson  <rth@redhat.com>
2879
2880         * cgraph.h (struct cgraph_node): Add alias.
2881         * varasm.c (assemble_alias): Set it.
2882         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
2883         avoid calling cgraph_expand_function.
2884
2885 2005-03-30  Tom Tromey  <tromey@redhat.com>
2886
2887         * tree.def (FILE_TYPE): Removed.
2888         * typeclass.h (enum type_class): Removed file_type_class.
2889         * dwarf2out.c (is_base_type): Updated.
2890         (gen_type_die): Likewise.
2891         * dbxout.c (dbxout_type): Updated.
2892         * builtins.c (type_to_class): Updated.
2893         * tree.c (type_contains_placeholder_1): Updated.
2894         * config/sparc/sparc.c (sparc_type_code): Updated.
2895         * config/ia64/ia64.c (hfa_element_mode): Updated.
2896         * expr.c (count_type_elements): Updated.
2897         * stor-layout.c (layout_type): Updated.
2898         * tree-inline.c (remap_type): Updated.
2899         * tree-pretty-print.c (dump_generic_node): Updated.
2900
2901 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
2902
2903         * builtins.c (expand_builtin_powi): Fix mode of
2904         2nd argument to match int.
2905         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
2906         2nd argument type to int.
2907         * libgcc2.c: Change prototype of __powi* functions to use
2908         int.
2909
2910 2005-03-30  Dale Johannesen  <dalej@apple.com>
2911
2912         PR middle-end/19225
2913         * calls.c (expand_call):  Flush pending deferrals before
2914         throwing call.
2915
2916 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
2917
2918         PR c/772
2919         PR c/17913
2920         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
2921         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
2922         c_label_context, label_context_stack): New.
2923         * c-decl.c (define_label): Check for jumps into statement
2924         expressions.  Add label to list of defined labels.
2925         (start_function): Push context on label_context_stack.
2926         (finish_function): Pop context from label_context_stack.
2927         * c-typeck.c (label_context_stack): New.
2928         (c_finish_goto_label): Check for jumps into statement
2929         expressions.  Add label to list of jumped to labels.
2930         (struct c_switch): Add blocked_stmt_expr.
2931         (c_start_case): Initialize it.
2932         (do_case): Check it.
2933         (c_finish_case): Verify !blocked_stmt_expr.
2934         (c_begin_stmt_expr):  Push context on label_context_stack.
2935         Increment blocked_stmt_expr.  Mark labels jumped to from outside
2936         as undefinable.
2937         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
2938         defined in the statement expression and no longer jumpable to.
2939         Mark labels jumped to from just outside the statement expression
2940         as again definable.  Pop context from label_context_stack.
2941         * doc/extend.texi (Statement Exprs): Update.
2942
2943 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
2944
2945         PR c/20368
2946         * c-decl.c (start_function): Check for old_decl being
2947         error_mark_node.
2948
2949 2005-03-30  Ian Lance Taylor  <ian@airs.com>
2950
2951         * final.c (final): Remove prescan parameter.  Change all callers.
2952         (final_scan_insn): Remove prescan parameter.  Change all callers.
2953
2954 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
2955
2956         * tree-vectorizer.c: Fix comment typos.
2957
2958 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
2959
2960         * tree-scalar-evolution.c (instantiate_parameters_1): Return
2961         as soon as a chrec_dont_know is detected.
2962
2963 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
2964
2965         Merge from csl-arm-branch.
2966         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
2967
2968         * tlink.c (recompile_files): Do not assume that "rename" can
2969         overwrite an existing file.
2970
2971 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
2972
2973         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
2974         * gcc/configure: Regenerate.
2975
2976 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
2977
2978         * doc/install.texi: Update binutils requirement for powerpc*-linux.
2979
2980         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
2981
2982         * calls.c (struct arg_data): Update "partial" comment.
2983         (load_register_parameters): Update "nregs" comment.
2984
2985 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
2986
2987         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
2988         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
2989         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
2990         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
2991         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
2992         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
2993         than target_flags & 0.
2994         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
2995         (iq2000_arch, iq2000_parse_cpu): Delete.
2996         (TARGET_HANDLE_OPTION): Override default.
2997         (iq2000_handle_option): New function.
2998         (override_options): Remove -march= and -mcpu= handling.
2999         * config/iq2000/iq2000.opt: New file.
3000
3001 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3002
3003         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
3004         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
3005         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
3006         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
3007         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
3008         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
3009         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
3010         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
3011         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
3012         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
3013         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
3014         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
3015         (c4x_rpts_cycles_string, c4x_cpu_version_string)
3016         (TARGET_OPTIONS): Delete.
3017         (c4x_rpts_cycles, c4x_cpu_version): Declare.
3018         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
3019         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
3020         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
3021         (c4x_cpu_version_string): Delete.
3022         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3023         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
3024         equivalent -mcpu= option.
3025         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
3026         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
3027         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
3028         or clearing the appropriate MASK_* bit.
3029         (c4x_file_start): Use c4x_cpu_version.
3030         * config/c4x/c4x.opt: New file.
3031
3032 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3033
3034         * doc/options.texi: Document the new MaskExists flag.
3035         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
3036         if the option has the MaskExists flag.
3037
3038 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3039
3040         * opt-functions.awk (flag_set_p, test_flag): New functions.
3041         (switch_flags): Use them.
3042         * opth-gen.awk: Use flag_set_p to check for flags.
3043         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
3044
3045 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3046
3047         * config.host (i[34567]86-*-mingw32*): Don't set
3048         host_can_use_collect2 to no.
3049
3050 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3051
3052         PR target/20203
3053         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
3054         Remove convert_memory_address call duplicating that in memory_address.
3055
3056 2005-03-29  Richard Henderson  <rth@redhat.com>
3057
3058         PR c/20519
3059         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
3060         (build_compound_literal): Likewise.  Propagate decl type into the
3061         initializer.
3062         (finish_decl): Likewise.  Use new return value from complete_array_type
3063         for zero sized arrays.
3064         (complete_array_type): Move ...
3065         * c-common.c (complete_array_type): ... here.  Change first argument
3066         to pointer-to-type-node.  Consistently use sizetype for the index
3067         except for zero sized arrays.  Detect zero sized arrays for pedantic
3068         mode diagnostics.  Create a new type node instead of modifying the
3069         old node in place.
3070         * c-tree.h (complete_array_type): Move decl ...
3071         * c-common.h (complete_array_type): ... here.
3072
3073 2005-03-29  Richard Henderson  <rth@redhat.com>
3074
3075         PR tree-opt/19108
3076         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
3077
3078 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
3079
3080         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
3081         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
3082         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
3083         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
3084
3085 2005-03-29  Eric Christopher  <echristo@redhat.com>
3086
3087         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
3088         truthvalue conversion removal.
3089
3090 2005-03-29  Ian Lance Taylor  <ian@airs.com>
3091
3092         PR bootstrap/14316
3093         * collect2.c: Never include <vfork.h>.
3094         (VFORK_STRING, vfork): Don't define.
3095         (pid): Remove global variable.
3096         (handler): Call raise instead of kill (getpid(), ...).
3097         (collect_wait): Add pex parameter.  Change all callers.  Use
3098         pex_get_status rather than pwait.
3099         (do_wait): Add pex parameter.  Change all callers.
3100         (collect_execute): Return struct pex_obj * rather than void.  Use
3101         pex routines rather than pexecute.
3102         (fork_execute): Get pex_obj from collect_execute, and pass it to
3103         do_wait.
3104         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
3105         Only declare quit_handler if SIGQUIT is defined.
3106         (scan_libraries): Likewise.
3107         * collect2.h (collect_execute): Update declaration.
3108         (collect_wait): Update declaration.
3109         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
3110         pass it to collect_wait.
3111
3112 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
3113
3114         PR c/20672
3115         * c-parser.c (c_parser_compound_statement_nostart): Give error
3116         message for EOF instead of just setting parser->error.
3117
3118 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
3119
3120         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
3121         (slpeel_update_phi_nodes_for_guard1): New function.
3122         (slpeel_update_phi_nodes_for_guard2): New function.
3123         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
3124         of slpeel_update_phi_nodes_for_guard.
3125         (vectorize_loops): Remove call to loop_closed_rewrite.
3126         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
3127         assertion.
3128
3129 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
3130
3131         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
3132         (TARGET_LITTLE_ENDIAN): New macro.
3133         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
3134         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
3135         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
3136         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
3137         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
3138         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
3139         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
3140         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
3141         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
3142         (TARGET_OPTIONS): Delete.
3143         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
3144         (CACHE_FLUSH_TRAP): Turn into an integer.
3145         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
3146         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
3147         -mflush-trap is in use.
3148         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
3149         (m32r_cache_flush_trap_string): Delete.
3150         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
3151         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
3152         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
3153         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3154         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
3155         -mmodel= and -msdata= handling from...
3156         (m32r_init): ...here.
3157         * config/m32r/m32r.opt: New file.
3158
3159 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
3160
3161         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
3162         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
3163         * tree-vect-analyze.c (vect_object_analysis): additional parm
3164         pass back a "struct ptr_info_def *" with the points-to info.
3165         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
3166         statement using info returned from vect_object_analysis.
3167         * tree-vect-transform.c (update_vuses_to_preheader): New function.
3168         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
3169         for virtual uses and defs when creating a replacement vector
3170         reference.  Call duplicate_ssa_name_ptr_info to define points-to
3171         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
3172         (vectorizable_store): copy_virtual_operands and update
3173         definition statements.
3174         (vectorizable_load): copy_virtual_operands.  Remove call to
3175         mark_call_clobbered_vars_to_rename for call to "const" builtin.
3176         * tree-vectorizer.c (vectorize_loops): Remove calls to
3177         rewrite_into_ssa and bitmap_clear (vars_to_rename).
3178         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
3179         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
3180         define macro STMT_VINFO_PTR_INFO for use in accessing.
3181         * tree.h add export of duplicate_ssa_name_ptr_info.
3182         * rs6000.c (altivec_init_builtins): Declare builtin function
3183         __builtin_altivec_mask_for_load to be "const".
3184
3185 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
3186
3187         PR middle-end/20622
3188         * cgraph.h (struct cgraph_varpool_node): Add alias field.
3189         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
3190         assemble_variable on aliases.
3191         * varasm.c (assemble_alias): Set node->alias.
3192         * toplev.c (wrapup_global_declarations): Don't call
3193         rest_of_decl_compilation on aliases again.
3194
3195 2005-03-29  Paul Brook  <paul@codesourcery.com>
3196
3197         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
3198         * config/arm/arm.c (arm_dbx_register_number): New function.
3199         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
3200
3201 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
3202
3203         PR middle-end/20263
3204         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
3205         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
3206
3207 2005-03-29  Dale Johannesen <dalej@apple.com>
3208
3209         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
3210         $(TREE_H) and $(COVERAGE_H).
3211         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
3212         * opts.c (common_handle_option): Enable tree-based value transforms.
3213         * toplev.c (process_options): Ditto.
3214         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
3215         refers to references to this type.
3216         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
3217         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
3218         for may_be_more, may_be_less.
3219         (rtl_gen_pow2_profiler): Adjust.
3220         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
3221         (rtl_gen_one_value_profiler): Adjust.
3222         (rtl_gen_const_delta_profiler): Adjust.
3223         * tree-profile.c (tree_gen_interval_profiler): Implement.
3224         (tree_gen_pow2_profiler): Ditto.
3225         (tree_gen_one_value_profiler): Ditto.
3226         (tree_profiling): New.
3227         (pass_tree_profile): Reference it.
3228         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
3229         tree.h, gcov-io.h.
3230         (insn_divmod_values_to_profile): Rename to
3231         rtl_divmod_values_to_profile. Adjust.
3232         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
3233         (insn_prefetch_values_to_profile): Adjust.
3234         (rtl_value_profile_transformations): Adjust.
3235         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
3236         (gen_mod_pow2): Rename to rtl_mod_pow2.
3237         (gen_mod_subtract): Rename to rtl_mod_subtract.
3238         (divmod_fixed_value_transform): Rename to
3239         rtl_divmod_fixed_value_transform.
3240         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
3241         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
3242         (rtl_find_values_to_profile): Adjust.
3243         (tree_value_profile_transformations): Implement.
3244         (tree_divmod_values_to_profile): New.
3245         (tree_values_to_profile): New.
3246         (tree_divmod_fixed_value): New.
3247         (tree_mod_pow2): New.
3248         (tree_mod_subtract): New.
3249         (tree_divmod_fixed_value_transform): New.
3250         (tree_mod_pow2_value_transform): New.
3251         (tree_mod_subtract_transform): New.
3252         (tree_find_values_to_profile): Implement.
3253         * profile.c (instrument_values):  Free histograms.
3254         (compute_value_histograms): Adjust. Implement tree version.
3255
3256 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
3257
3258         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
3259         * config/i386/i386.c (output_fix_trunc): Add new round_mode
3260         variable.  Output "fldcw" depending on round_mode.
3261         * config/i386/i386.md (UNSPEC_FIST): New.
3262         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
3263         New isns patterns to implement lrint and llrint built-ins as x87
3264         intrinsic function.
3265         (fistdi2, fist<mode>2 splitters): New splitters.
3266         (lrint<mode>2): New expanders.
3267
3268 2005-03-28  Ian Lance Taylor  <ian@airs.com>
3269
3270         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
3271         0 when calling final_scan_insn.
3272
3273 2005-03-28  Jan Hubicka  <jh@suse.cz>
3274
3275         PR middle-end/20635
3276         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
3277         as needed.
3278
3279         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
3280         types where possible.
3281
3282 2005-03-26  Per Bothner  <per@bothner.com>
3283
3284         Make -f[no-]show-column also control non-cpp diagnostics.
3285         * c.opt (fshow-column): Move option from here ...
3286         * common.opt (fshow-column): ... to here.
3287         * diagnostic.c (diagnostic_build_prefix): Only print column number
3288         if flag_show_column.
3289
3290 2005-03-27  Steven Bosscher  <stevenb@suse.de>
3291
3292         * vax-protos.h (vax_output_int_move, vax_output_int_add,
3293         vax_output_conditional_branch): New prototypes.
3294         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
3295         extracted from vax.md mov and add patterns.
3296         (vax_output_conditional_branch): New function to output conditional
3297         branch instructions.
3298         * vax.md: Use mode macros for arithmetic and mov patterns.
3299         Use code macros for the jump patterns.
3300
3301 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3302
3303         * Makefile.in (libbackend.o): Depend on version files;
3304         add custom generation command.
3305
3306 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3307
3308         PR target/20636
3309         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
3310         sure that we have a REG before getting its REGNO.
3311
3312 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3313
3314         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
3315         * builtins.def (BUILT_IN_STRNDUP): New.
3316
3317 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
3318
3319         PR tree-optimization/20470
3320         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
3321         ABS(x-y).
3322
3323 2005-03-25  Mike Stump  <mrs@apple.com>
3324
3325         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
3326         sized objects.
3327
3328 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
3329
3330         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
3331         Use our own structure definitions.
3332
3333         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
3334         (fix_truncdfsi2): Allow registers or memory as destination.
3335         When TARGET_PPC_GFXOPT, generate simplified pattern.
3336         (fix_truncdfsi2_internal): Use define_insn_and_split.
3337         (fix_truncdfsi2_internal_gfxopt): New.
3338         (fctiwz): Don't confuse register allocation by giving it no choices.
3339         (stfiwx): New.
3340         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
3341         (EXTRA_MEMORY_CONSTRAINT): Likewise.
3342         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
3343         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
3344
3345 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
3346
3347         * dominance.c (free_dominance_info): Speed up by freeing et
3348         data structures without maintaining other nodes.
3349         * et-forest.c (et_free_tree_force): New.
3350         * et-forest.h: Add a prototype for et_free_tree_force.
3351
3352         * tree.c (get_set_constructor_bits,
3353         get_set_constructor_bytes): Remove.
3354         * tree.h: Remove the corresponding prototypes.
3355
3356 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
3357
3358         PR target/15491
3359         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
3360         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
3361         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
3362         PRE_DEC, NEG and NOT.
3363
3364 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
3365
3366         * fold-const.c: Convert uses of fold (build (...)) to
3367         fold_buildN.
3368
3369 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
3370
3371         PR rtl-optimization/20249
3372         * cse.c (insert_regs): Do not record equivalence of registers in
3373         different modes.
3374
3375 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
3376
3377         * emit-rtl.c (reverse_comparison): Remove.
3378         * rtl.h: Remove the corresponding prototype.
3379
3380 2005-03-24  James E Wilson  <wilson@specifixinc.com>
3381
3382         * doc/install.texi (--enable-altivec): Delete docs.
3383
3384 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
3385
3386         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
3387         SFmode and DFmode before reload when
3388         flag_unsafe_math_optimizations not enabled.
3389
3390 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
3391
3392         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
3393
3394         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
3395         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
3396
3397 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
3398
3399         * configure.ac (enable-checking): Add 'runtime' option.
3400         * doc/install.texi (enable-checking): Document 'runtime' checking.
3401         * tsystem.h (gcc_assert, gcc_unreachable): Define.
3402         * config.in: Regenerated.
3403         * configure: Regenerated.
3404
3405 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
3406
3407         * optabs.h (enum optab_index): Remove OTI_llrint.
3408         (llrint_optab): Remove macro.
3409         * optabs.c (init_optabs): Remove llrint_optab initialization.
3410         * genopinit.c (optabs): Remove llrint_optab implementation.
3411         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
3412         using lrint_optab.
3413
3414 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
3415
3416         PR rtl-optimization/20532
3417         * simplify-rtx.c (simplify_binary_operation_1): Protect from
3418         overflow when adding coefficients for PLUS or MINUS.
3419         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
3420         two as multiplier.
3421
3422 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3423
3424         * langhooks.h (truthvalue_conversion): Remove.
3425         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
3426         LANG_HOOKS_TRUTHVALUE_CONVERSION.
3427         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
3428         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
3429         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
3430
3431 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
3432
3433         * params.def: Fix a typo.
3434         * config/mips/mips.c: Follow the spelling convensions.
3435         * doc/invoke.texi: Fix typos.
3436
3437 2005-03-18  Dale Johannese  <dalej@apple.com>
3438
3439         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
3440
3441 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
3442
3443         Fix PR tree-optimization/20601
3444
3445         * tree-ssa-pre.c (insert_aux): Add missing condition to
3446         constification.
3447
3448 2005-03-23  Ian Lance Taylor  <ian@airs.com>
3449
3450         * final.c (final_scan_insn): Don't remove no-op instructions.
3451         * reload1.c (reload): Remove simple no-op instructions even when
3452         not optimizing.
3453
3454 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
3455
3456         PR tree-optimization/20501
3457         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
3458         reporting that peeling for alignment is applied moved to...
3459         * (vect_analyze_data_refs_alignment): Here.
3460
3461 2005-03-23  Ian Lance Taylor  <ian@airs.com>
3462
3463         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
3464
3465 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3466
3467         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
3468         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
3469
3470 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
3471
3472         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
3473         imply that this is called once, independent of asms in code.
3474         Adjust to now being pased output and input lists.  Mention helper
3475         function decl_overlaps_hard_reg_set_p.
3476         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
3477         hook_tree_tree_identity and to take three trees, returning third.
3478         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
3479         prototype.
3480         * stmt.c: include hard-reg-set.h before tree.h.
3481         (decl_overlaps_hard_reg_set_p): New function, broken out from...
3482         (decl_conflicts_with_clobbers_p): Call
3483         decl_overlaps_hard_reg_set_p.
3484         (expand_asm_operands): Pass output and input lists in call to
3485         targetm.md_asm_clobbers.
3486         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
3487         hook_tree_tree_tree_tree_3rd_identity.
3488         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
3489         parameters.
3490         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
3491         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
3492         parameters, first two unused.
3493         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
3494         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
3495         in constraint letters and MOF is not mentioned as a asm-declared
3496         register in neither of the input and output lists.
3497
3498 2005-03-23  DJ Delorie  <dj@redhat.com>
3499
3500         * optabs.c (expand_binop): Make sure the first subword's result
3501         gets stored.
3502
3503 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3504
3505         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
3506         Call c_common_truthvalue_conversion rather than
3507         lang_hooks.truthvalue_conversion.
3508         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
3509         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
3510         c-typeck.c.
3511         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
3512         c_common_truthvalue_conversion.
3513         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
3514         c_parser_conditional_expression, c_parser_binary_expression): Call
3515         c_objc_common_truthvalue_conversion.
3516         * c-typeck.c (build_unary_op): Call
3517         c_objc_common_truthvalue_conversion.
3518         (build_conditional_expr): Do not call
3519         lang_hooks.truthvalue_conversion.
3520         (build_binary_op): Call c_common_truthvalue_conversion.
3521         (c_objc_common_truthvalue_conversion): Moved from
3522         c-objc-common.c.  Call default_function_array_conversion instead
3523         of default_conversion.
3524
3525 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3526
3527         * c-common.h (default_conversion): Remove.
3528         (perform_integral_promotions): Add.
3529         * c-tree.h (default_conversion): Add.
3530         * c-typeck.c (perform_integral_promotions): New, split out from
3531         default_conversion.
3532         * c-common.c (check_case_value): Use perform_integral_promotions,
3533         not default_conversion.
3534         (c_add_case_label): Don't continue processing case label after
3535         found to be pointer.
3536
3537 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
3538
3539         * gcc.c (do_spec_1): Do not add a -L path for a directory in
3540         the prefix list if we have already added a multilib directory
3541         based on that path.
3542         (main): Do not add MD_EXEC_PREFIX to the list of directories to
3543         search with -L.
3544
3545 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
3546
3547         * reload1.c (indirect_symref_ok, reload_obstack): Make them
3548         static.
3549         * reload.h: Remove the prototype for indirect_symref_ok.
3550
3551         * reload1.c (indirect_symref_ok): Make it global.
3552         * reload.h: Add a prototype for indirect_symref_ok.
3553
3554 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
3555
3556         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
3557         ashlhi3 expander.
3558
3559 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3560
3561         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
3562
3563 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
3564
3565         * c-opts.c (c_common_parse_file): Only start/end main source file
3566         if debug hooks says the writer wants it.
3567         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
3568         member.
3569         (xcoff_debug_hooks): Ditto.
3570         * debug.c (do_nothing_hooks): Ditto.
3571         * debug.h (gcc_debug_hooks): Ditto.
3572         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
3573         * sdbout.c (sdb_debug_hooks): Ditto.
3574         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
3575
3576 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
3577
3578         * doc/extend.texi: Deprecate C++ min/max operators.
3579
3580 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
3581
3582         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
3583         artificial original candidates.
3584
3585 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
3586             Jan Hubicka  <jh@suse.cz>
3587             Steven Bosscher <stevenb@suse.de>
3588
3589         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
3590         call cost based on argument sizes.
3591         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
3592         inlining.
3593         * params.def: (max-inline-inssn-single): Set to 450.
3594         (max-inline-insns-auto): Set to 90.
3595         (max-inline-insns-recursive): Set to 450
3596         (max-inline-insns-recursive-auto): Set to 450.
3597         (large-function-insns): Set to 2700.
3598         (inline-call-cost): New parameter.
3599         * tree-inline.c (estimate_move_cost): New function.
3600         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
3601         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
3602         based on arguments.
3603         * tree-inline.h (estimate_move_cost): Declare.
3604         * invoke.texi: (max-inline-inssn-single): Change default to 450.
3605         (max-inline-insns-auto): Change default to 90.
3606         (max-inline-insns-recursive): Change default to 450
3607         (max-inline-insns-recursive-auto): Change default to 450.
3608         (large-function-insns): Change default to 2700.
3609         (inline-call-cost): Document new parameter.
3610
3611 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
3612
3613         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
3614         (TARGET_DEFAULT): Delete.
3615         * config/i860/i860.opt: New file.
3616
3617 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
3618
3619         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
3620         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
3621         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
3622         (frv_sched_lookahead): Delete.
3623         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
3624         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
3625         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
3626         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
3627         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
3628         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
3629         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
3630         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
3631         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
3632         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
3633         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
3634         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
3635         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
3636         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
3637         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
3638         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
3639         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
3640         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
3641         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
3642         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
3643         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
3644         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
3645         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
3646         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
3647         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
3648         (frv_sched_lookahead): Delete.
3649         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
3650         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3651         (frv_handle_option): New function.  Move -mcpu= handling from...
3652         (frv_override_options): ...here.  Remove handling of other
3653         TARGET_OPTIONS.
3654         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
3655         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
3656         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
3657         and TARGET_NO_MULTI_CE.
3658         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
3659         !TARGET_VLIW_BRANCH.
3660         * config/frv/frv.opt: New file.
3661
3662 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
3663
3664         * fold-const.c (fold_ternary): Take decomposed arguments of
3665         CALL_EXPR.
3666         (fold): Update a call to fold_ternary.
3667
3668         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
3669         * tree.h: Add corresponding prototypes.
3670
3671 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
3672
3673         PR target/20561
3674         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
3675         between jump table and its label.
3676         * final.c (shorten_branches): Handle notes in between ADDR_VEC
3677         resp. ADDR_DIFF_VEC and the label preceeding it.
3678         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
3679         is emitted in the right section.
3680
3681 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
3682
3683         * fold-const.c (fold_unary, fold_binary): Update comments
3684         about arguments.
3685
3686 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
3687
3688         PR rtl-optimization/20527
3689         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
3690         REG_INC note, test that the register also isn't mentioned in PRED
3691         or SUCC.
3692
3693 2005-03-22  Ben Elliston  <bje@au.ibm.com>
3694
3695         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
3696         and definition.
3697
3698 2005-03-21  Mike Stump  <mrs@apple.com>
3699
3700         * varasm.c (default_assemble_visibility): Remove extra ().
3701
3702 2005-03-21  Roger Sayle  <roger@eyesopen.com>
3703
3704         PR middle-end/20557
3705         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
3706         to determine whether a block can be duplicated, rather than test
3707         whether the block contains noncopyable insns ourselves.
3708
3709 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3710
3711         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
3712         predicates.
3713
3714 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
3715
3716         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
3717
3718 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
3719
3720         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
3721         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
3722         * config/fr30/fr30.opt: New file.
3723
3724 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
3725
3726         Fix PR tree-optimization/20542
3727
3728         * tree-flow-inline.h (overlap_subvar): Move to here.
3729         * tree-ssa-operands.c: From here.
3730         * tree-flow.h (overlap_subvar): Declare.
3731         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
3732         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
3733         for variables with subvars.
3734
3735 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
3736
3737         PR middle-end/20177
3738         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
3739         * modulo-sched.c (const_iteration_count): Return on NULL
3740         pre-header.
3741         (print_node_sched_params): Return on NULL dump_file.
3742         (generate_reg_moves): Handle reg-anti dependencies and disregard
3743         closing branch when generating register moves.
3744         (sms_schedule): Mark the SMSed block dirty.
3745         * passes.c (rest_of_handle_sms): Call update_life_info for all
3746         basic-blocks.
3747         * testsuite/gcc.dg/20050321-1.c: New test.
3748
3749 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
3750
3751         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
3752         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
3753         movqi_internal): Likewise.
3754
3755 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
3756
3757         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
3758         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
3759         xtensa_b4const): Delete prototypes.
3760         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
3761         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
3762         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
3763         xtensa_extra_constraint): New prototypes.
3764         (add_operand, arith_operand, nonimmed_operand, mem_operand,
3765         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
3766         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
3767         move_operand, const_float_1_operand, fpmem_offset_operand,
3768         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
3769         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
3770         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
3771         argument type to HOST_WIDE_INT.
3772         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
3773         xtensa_mask_immediate): Likewise.
3774         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
3775         Likewise.  Also make these functions static.
3776         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
3777         (xtensa_const_ok_for_letter_p): New.
3778         (add_operand, arith_operand, nonimmed_operand, mem_operand,
3779         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
3780         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
3781         move_operand, const_float_1_operand, fpmem_offset_operand,
3782         branch_operator, ubranch_operator, boolean_operator): Move to
3783         predicates.md.
3784         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
3785         (xtensa_mem_offset): Change return type to bool.
3786         (xtensa_extra_constraint): New.
3787         (gen_int_relational): Update type of const_range_p function pointer.
3788         Use xtensa_b4const_or_zero.
3789         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
3790         xtensa_const_ok_for_letter_p.  Update comments.
3791         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
3792         (PREDICATE_CODES): Delete.
3793         * config/xtensa/xtensa.md: Include predicates.md.
3794         * config/xtensa/predicates.md: New file.
3795
3796 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3797
3798         * config/v850/v850-protos.h: Remove the prototypes for
3799         reg_or_int9_operand, reg_or_const_operand,
3800         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
3801         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
3802         movsi_source_operand, power_of_two_operand,
3803         not_power_of_two_operand, special_symbolref_operand,
3804         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
3805         register_is_ok_for_epilogue.
3806         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
3807         reg_or_int9_operand, reg_or_const_operand,
3808         call_address_operand, special_symbolref_operand,
3809         movsi_source_operand, power_of_two_operand,
3810         not_power_of_two_operand, register_is_ok_for_epilogue,
3811         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
3812         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
3813         predicates.md.
3814         * config/v850/v850.h (PREDICATE_CODES): Remove.
3815         * config/v850/v850.md: Include predicates.md.
3816         * config/v850/predicates.md: New.
3817
3818 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
3819
3820         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
3821         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
3822         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
3823         (itoolsdir, itoolsdatadir): Move definition above new first use.
3824         (install-itoolsdirs): New rule.
3825         (install-mkheaders): Depend on install-itoolsdirs, not
3826         install-include-dir.
3827
3828 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3829
3830         * tree-into-ssa.c: Remove obsolete comments.
3831
3832 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
3833
3834         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
3835         unrolling if -fpeel-loops is specified, too.
3836         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
3837         Remove superfluous check for flag_unroll_loops.
3838
3839 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
3840
3841         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
3842         (lrint_optab, llrint_optab): Define corresponding macros.
3843         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
3844         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
3845         pattern and llrint_optab using llrintdi2 patterns.
3846         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
3847         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
3848         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
3849         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
3850         flag_unsafe_math_optimizations is set.
3851
3852 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
3853
3854         * combine.c (combine_simplify_rtx, simplify_if_then_else,
3855         simplify_logical, if_then_else_cond, known_cond,
3856         simplify_comparison): Adjust calls to reverse_comparison.
3857         Don't use combine_reversed_comparison_code).
3858         (combine_reversed_comparison_code): Remove.
3859         (reversed_comparison): Using reversed_comparison_code, move it...
3860         * jump.c (reversed_comparison): ... here.
3861         * rtl.h (reversed_comparison): Add prototype.
3862
3863 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3864
3865         * builtins.c (fold_builtin): Take decomposed arguments of
3866         CALL_EXPR.
3867         * fold-const.c (fold_ternary): Update a call to fold_builtin.
3868         * gimplify.c (gimplify_call_expr): Likewise.
3869         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
3870         * tree.h: Update the prototype of fold_builtin.
3871
3872 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
3873
3874         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
3875         * rtlhooks.c (gen_lowpart_no_emit_general): New.
3876         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
3877         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
3878         * simplify-rtx.c (simplify_binary_operation_1): Use it.
3879
3880 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3881
3882         * builtins.c (fold_builtin_1): Take decomposed arguments of
3883         CALL_EXPR.
3884         (fold_builtin): Update a call to fold_builtin_1.
3885
3886 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
3887
3888         PR other/20564
3889         * gcov.c (output_lines): Only output function block summary when
3890         outputting branch information.
3891         * doc/gcov.texi: Document format of preamble and additional block
3892         information lines.
3893
3894 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
3895
3896         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
3897         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
3898         the defaults false if BITS_PER_UNIT != 8.
3899         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
3900         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
3901         than BITS_PER_UNIT != 8.
3902         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
3903         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
3904         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
3905         #undefs.
3906         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
3907         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
3908
3909 2005-03-20  Roger Sayle  <roger@eyesopen.com>
3910
3911         PR middle-end/20539
3912         * fold-const.c (fold_binary): Fix type mismatch between
3913         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
3914         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
3915         for non-truth-valued expressions.
3916
3917         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
3918         and FUNCTION_DECL in the main switch.
3919         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
3920         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
3921         we also need to convert their operands to match.
3922         <TRUTH_NOT_EXPR>: Likewise.
3923
3924 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
3925
3926         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
3927         diagnostic without checking whether an lvalue.
3928         * c-common.h (lvalue_p): Remove.
3929         (enum lvalue_use): Update comment.
3930         (lvalue_or_else): Replace by lvalue_error.
3931         * c-typeck.c (lvalue_p): Make static.
3932         (lvalue_or_else): New.  Call lvalue_error.
3933
3934 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
3935
3936         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
3937         (function_arg_advance): Use rs6000_parm_start.
3938         (function_arg, rs6000_arg_partial_bytes): Likewise.
3939
3940 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
3941
3942         * c-common.c (check_case_value): Adjust comment about stripping
3943         NOPs.
3944         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
3945         * c-typeck.c (default_conversion, convert_arguments,
3946         build_modify_expr, convert_for_assignment, store_init_value,
3947         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
3948         manually.  Remove inaccurate comments.
3949
3950 2005-03-20  Roger Sayle  <roger@eyesopen.com>
3951             Joseph S. Myers  <joseph@codesourcery.com>
3952
3953         * varasm.c (do_assemble_alias): Restore comment describing function.
3954         Annotate the target parameter as potentially unused.
3955
3956 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
3957
3958         PR target/18551
3959         * config/avr/avr.c (avr_output_function_prologue): Do not use
3960         current_function_name() in a label, use a local label instead.
3961
3962 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
3963
3964         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
3965         flag_finite_math_only, not flag_unsafe_math_optimizations.
3966
3967 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
3968
3969         * builtins.c (fold_builtin_1): Update a call to
3970         targetm.fold_builtin.
3971         * hooks.c (hook_tree_tree_bool_null): Rename to
3972         hook_tree_tree_tree_bool_null.  Take one more argument of type
3973         tree.
3974         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
3975         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
3976         hook_tree_tree_tree_bool_null.
3977         * target.h (gcc_target): Update the prototype of fold_builtin.
3978         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
3979         arguments of CALL_EXPR.
3980         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
3981         new prototype.
3982
3983 2005-03-20  Jan Hubicka  <jh@suse.cz>
3984
3985         * cgraph.h (cgraph_node): Add prev_clone pointer.
3986         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
3987         (cgraph_clone_node): Produce doubly linked chain.
3988
3989 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
3990
3991         * c-common.c (handle_aligned_attribute, check_function_sentinel,
3992         get_nonnull_operand, handle_sentinel_attribute,
3993         check_function_arguments_recurse): Do not strip NOPS from
3994         INTEGER_CSTs.
3995         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
3996         Likewise.
3997         * c-format.c (get_constant): Likewise.
3998         * c-parser.c (c_parser_postfix_expression): Likewise.
3999         * c-typeck.c (set_init_index): Likewise.
4000         (convert_arguments): Don't check for NOP_EXPR containing integer
4001         constant.
4002
4003 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4004
4005         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
4006         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
4007         Take decomposed arguments of CALL_EXPR.
4008         (fold_builtin_1): Update calls to the functions mentioned
4009         above.
4010
4011 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4012
4013         * c-decl.c (check_bitfield_type_and_width): Require bit-field
4014         width to have integer type.
4015         (build_enumerator): Require enumerator value to have integer type.
4016
4017 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4018
4019         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
4020         to __builtin_inff.
4021
4022 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4023
4024         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
4025         std=iso9899:199x): Correct descriptions.
4026
4027 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4028
4029         * config.gcc: Consistently use solaris2.1[0-9]* instead of
4030         solaris2.1[0-9].
4031
4032 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
4033
4034         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
4035         of CALL_EXPR.
4036         (expand_builtin_memcpy, fold_builtin_1): Update calls to
4037         fold_builtin_memcpy.
4038
4039         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
4040         arguments of CALL_EXPR.
4041         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
4042         fold_builtin_found, fold_builtin_1): Update calls to
4043         fold_trunc_transparent_mathfn.
4044
4045 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4046
4047         PR middle-end/20493
4048         * fold-const.c (fold_widened_comparison): Don't optimize casts of
4049         function pointers on targets that require function pointer
4050         canonicalization.
4051         (fold_sign_changed_comparison): Likewise.
4052
4053 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
4054
4055         * combine.c (try_combine): When changing the mode of a hard reg, make
4056         sure that doing so is valid.
4057
4058 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
4059
4060         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
4061         (TARGET_HANDLE_OPTION): Override default.
4062         (avr_handle_option): New function.
4063         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
4064         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
4065         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
4066         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
4067         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
4068         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
4069         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
4070         (TARGET_OPTIONS): Delete.
4071         * config/avr/avr.opt: New file.
4072
4073 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4074
4075         * config/m32r/m32r-protos.h: Remove the prototypes for
4076         call_address_operand, symbolic_operand, seth_add3_operand,
4077         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4078         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4079         two_insn_const_operand, move_src_operand,
4080         move_double_src_operand, move_dest_operand,
4081         eqne_comparison_operator, signed_comparison_operator,
4082         large_insn_p, conditional_move_operand, carry_compare_operand,
4083         m32r_block_immediate_operand, extend_operand,
4084         reg_or_eq_int16_operand, int8_operand, and
4085         reg_or_zero_operand.
4086         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4087         seth_add3_operand, int8_operand, cmp_int16_operand,
4088         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4089         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4090         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4091         move_double_src_operand, move_dest_operand,
4092         eqne_comparison_operator, signed_comparison_operator,
4093         extend_operand, small_insn_p, large_insn_p,
4094         conditional_move_operand, carry_compare_operand,
4095         m32r_block_immediate_operand): Move to predicates.md.
4096         (MAX_MOVE_BYTES): Move to m32r.h.
4097         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4098         * config/m32r/m32r.md: Include predicates.md.
4099         * config/m32r/predicates.md: New.
4100
4101 2005-03-18  James E Wilson  <wilson@specifixinc.com>
4102
4103         PR c++/19769
4104         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
4105         origin.
4106
4107 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4108
4109         * config/mn10300/mn10300-protos.h: Remove the prototypes for
4110         call_address_operand, const_8bit_operand.
4111         * config/mn10300/mn10300.c (call_address_operand,
4112         const_8bit_operand, const_1f_operand): Move to predicates.md.
4113         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
4114         * config/mn10300/mn10300.md: Include predicates.md.
4115         * config/mn10300/predicates.md: New.
4116
4117 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
4118
4119         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
4120         declarations in diagnostics and %E for identifiers, not %s.
4121
4122 2005-03-18  Jan Hubicka  <jh@suse.cz>
4123             Dale Johannesen  <dalej@apple.com>
4124
4125         * basic-block.h (scale_bbs_frequencies_int,
4126         scale_bbs_frequencies_gcov_type): Declare.
4127         * cfg.c (RDIV): New macro.
4128         (update_bb_frequency_for_threading): Fix.
4129         * basic-block.h (scale_bbs_frequencies_int,
4130         scale_bbs_frequencies_gcov_type): New.
4131         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
4132         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
4133         scale_bbs_frequencies_int.
4134         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
4135
4136 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4137
4138         * config/m32r/m32r-protos.h: Remove the prototypes for
4139         call_address_operand, symbolic_operand, seth_add3_operand,
4140         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4141         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4142         two_insn_const_operand, move_src_operand,
4143         move_double_src_operand, move_dest_operand,
4144         eqne_comparison_operator, signed_comparison_operator,
4145         large_insn_p, conditional_move_operand, carry_compare_operand,
4146         m32r_block_immediate_operand, extend_operand,
4147         reg_or_eq_int16_operand, int8_operand, and
4148         reg_or_zero_operand.
4149         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4150         seth_add3_operand, int8_operand, cmp_int16_operand,
4151         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4152         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4153         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4154         move_double_src_operand, move_dest_operand,
4155         eqne_comparison_operator, signed_comparison_operator,
4156         extend_operand, small_insn_p, large_insn_p,
4157         conditional_move_operand, carry_compare_operand,
4158         m32r_block_immediate_operand): Move to predicates.md.
4159         (MAX_MOVE_BYTES): Move to m32r.h.
4160         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4161         * config/m32r/m32r.md: Include predicates.md.
4162         * config/m32r/predicates.md: New.
4163
4164         * config/pa/pa-protos.h: Add prototypes for magic_milli and
4165         shadd_constant_p.
4166         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
4167         symbolic_operand, symbolic_memory_operand,
4168         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
4169         indexed_memory_operand, move_dest_operand, move_src_operand,
4170         prefetch_cc_operand, prefetch_nocc_operand,
4171         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
4172         arith_operand, arith11_operand, pre_cint_operand,
4173         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
4174         ireg_operand, int5_operand, uint5_operand, int11_operand,
4175         uint32_operand, arith5_operand, and_operand, ior_operand,
4176         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
4177         pc_or_label_operand, div_operand, plus_xor_ior_operator,
4178         shadd_operand, movb_comparison_operator,
4179         cmpib_comparison_operator): Move to predicates.md.
4180         (magic_milli, shadd_constant_p): Make it extern.
4181         * config/pa/pa.h (PREDICATE_CODES): Remove.
4182         * config/pa/pa.md: Include predicates.md.
4183         * config/pa/predicates.md: New.
4184
4185         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
4186         predicate.
4187
4188 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4189
4190         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
4191         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
4192         config/alpha/freebsd.h, config/alpha/linux.h,
4193         config/alpha/netbsd.h, config/alpha/osf5.h,
4194         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
4195         config/h8300/h8300-protos.h, config/h8300/h8300.c,
4196         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
4197         doc/cppopts.texi: Update copyright.
4198
4199 2005-03-18  Jan Hubicka  <jh@suse.cz>
4200
4201         PR middle-end/20225
4202         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
4203         too late.
4204         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
4205         called too late.
4206
4207 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4208
4209         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
4210         VEC_safe_push.
4211
4212 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
4213
4214         * combine.c (gen_binary): Remove.
4215         (known_cond, simplify_shift_const, find_split_point,
4216         combine_simplify_rtx, simplify_if_then_else, simplify_set,
4217         simplify_logical, expand_field_assignment, extract_left_shift,
4218         force_to_mode, if_then_else_cond, apply_distributive_law,
4219         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
4220         simplify_comparison, reversed_comparison): Replace with
4221         simplify_gen_binary, simplify_gen_relational or
4222         distribute_and_simplify_rtx.
4223         (distribute_and_simplify_rtx): New function.
4224
4225 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
4226             Paolo Bonzini  <gcc.gnu.org>
4227
4228         * calls.c (setjmp_call_p, special_function_p): Update comments
4229         at the head of the functions.
4230
4231 2005-03-18  Jan Hubicka  <jh@suse.cz>
4232
4233         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
4234
4235         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
4236         function body should be released; do not proactively release function
4237         bodies in non-unit-at-a-time mode.
4238
4239 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
4240
4241         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
4242         mno-fp-ret-in-387 multilib variants.
4243
4244 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
4245
4246         * common.opt (m): Remove.
4247         * opts.c (handle_option): Pass 'm' options to set_target_switch if
4248         table lookup fails.
4249         (common_handle_option): Remove OPT_m case.
4250
4251 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4252
4253         * builtins.c (fold_builtin_bitop): Take decomposed arguments
4254         of CALL_EXPR.
4255         (fold_builtin_1): Update a call to fold_builtin_bitop.
4256
4257         * builtins.c (fold_builtin_signbit): Take decomposed arguments
4258         of CALL_EXPR.
4259         (fold_builtin_1): Update a call to fold_builtin_signbit.
4260
4261 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
4262
4263         PR tree-optimization/20474
4264         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
4265         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
4266
4267 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4268
4269         * config/h8300/h8300-protos.h: Remove prototypes for
4270         general_operand_src, general_operand_dst, single_one_operand,
4271         single_zero_operand, call_insn_operand,
4272         two_insn_adds_subs_operand, small_call_insn_operand,
4273         jump_address_operand, bit_operand, bit_memory_operand,
4274         stack_pointer_operand, const_int_gt_2_operand,
4275         const_int_ge_8_operand, const_int_qi_operand,
4276         const_int_hi_operand, incdec_operand, bit_operator,
4277         nshift_operator, eqne_operator, gtle_operator,
4278         gtuleu_operator, iorxor_operator.
4279         Add prototypes for h8sx_shift_type h8sx_classify_shift and
4280         h8300_ldm_stm_parallel.
4281         * config/h8300/h8300.c (h8sx_shift_type,): Move to
4282         h8300-protos.h.
4283         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
4284         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
4285         (h8300_ldm_stm_parallel): Make it extern.
4286         (h8300_ldm_parallel, h8300_stm_parallel,
4287         h8300_return_parallel, general_operand_src,
4288         general_operand_dst, h8300_dst_operand, h8300_src_operand,
4289         nibble_operand, reg_or_nibble_operand, single_one_operand,
4290         single_zero_operand, call_insn_operand,
4291         two_insn_adds_subs_operand, small_call_insn_operand,
4292         jump_address_operand, bit_operand, bit_memory_operand,
4293         stack_pointer_operand, const_int_gt_2_operand,
4294         const_int_ge_8_operand, const_int_qi_operand,
4295         const_int_hi_operand, incdec_operand, eqne_operator,
4296         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
4297         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
4298         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
4299         nshift_operator): Move to predicates.md.
4300         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
4301         * config/h8300/h8300.md: Include predicates.md.
4302         * config/h8300/predicates.md: New.
4303
4304 2005-03-17  Richard Henderson  <rth@redhat.com>
4305
4306         * config.gcc (ia64*-*-hpux*): Add extra_options.
4307         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
4308         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4309         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
4310         (ia64_tls_size_string, ia64_tune_string): Remove.
4311         (ia64_tune): Init to PROCESSOR_ITANIUM2.
4312         (TARGET_DEFAULT_TARGET_FLAGS): New.
4313         (TARGET_HANDLE_OPTION): New.
4314         (ia64_override_options): Move options parsing ...
4315         (ia64_handle_option): ... here.  New.
4316         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
4317         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
4318         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
4319         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
4320         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
4321         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
4322         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
4323         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
4324         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
4325         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
4326         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
4327         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
4328         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
4329         TARGET_EARLY_STOP_BITS): Remove.
4330         (TARGET_ILP32): Default false.
4331         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
4332         (enum ia64_inline_type): New.
4333         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4334         * config/ia64/ia64.md: Update for new definitions of
4335         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
4336         * config/ia64/ia64.opt: New file.
4337         * config/ia64/ilp32.opt: New file.
4338
4339 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4340
4341         PR target/18380
4342         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
4343
4344 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4345
4346         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
4347         instead of MASK_H8300S.
4348         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
4349         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
4350         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
4351         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
4352         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
4353         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
4354         TARGET_SWITCHES): Remove.
4355         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
4356         TARGET_H8300SX.
4357         * config/h8300/h8300.opt: New.
4358
4359         * config/alpha/alpha.opt, config/arc/arc.opt,
4360         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
4361         notices.
4362
4363 2005-03-17  Ian Lance Taylor  <ian@airs.com>
4364
4365         * gmon.c: Remove.
4366
4367 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
4368
4369         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
4370         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
4371         (TARGET_HANDLE_OPTION): Override default.
4372         (arc_handle_option): New function.
4373         (arc_init): Remove code to set arch_cpu_string.
4374         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
4375         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
4376         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
4377         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
4378         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
4379         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
4380         (arc_rodata_string, TARGET_OPTIONS): Delete.
4381         * config/arc/arc.opt: New file.
4382
4383 2005-03-17  Richard Henderson  <rth@redhat.com>
4384
4385         * doc/extend.texi (Weak Pragmas): New section.
4386         (attribute alias): Clarify that target must be in the same
4387         translation unit.
4388
4389 2005-03-17  Richard Henderson  <rth@redhat.com>
4390
4391         * config/alpha/alpha.opt: New file.
4392         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
4393         of alpha_cpu.
4394         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
4395         alpha_fprm_string, alpha_fptm_string): Make static.
4396         (alpha_tls_size_string): Remove.
4397         (alpha_handle_option): New.
4398         (override_options): Update for alpha_cpu/alpha_tune split.
4399         (alpha_file_start): Likewise.
4400         (TARGET_DEFAULT_TARGET_FLAGS): New.
4401         (TARGET_HANDLE_OPTION): New.
4402         * config/alpha/alpha.h (alpha_tune): Declare.
4403         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
4404         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
4405         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
4406         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
4407         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
4408         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
4409         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
4410         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
4411         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
4412         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
4413         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
4414         (TARGET_DEFAULT): Remove MASK_FP.
4415         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
4416         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
4417         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
4418         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
4419         alpha_tls_size_string): Remove.
4420         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
4421         (attribute tune): Rename from attribute cpu.
4422         * config/alpha/ev4.md: Update to match.
4423         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
4424         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
4425         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
4426         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
4427         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
4428         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
4429
4430 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
4431
4432         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
4433         and return without creating new state if before_nops_num is nonzero.
4434         * config/ia64/ia64.md (first_insn): New attribute.
4435         (alloc): Set it to yes.
4436
4437 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4438
4439         * tree-vectorizer.c (new_vec_stmt_info): Initialize
4440         STMT_VINFO_SUBVARS to NULL.
4441         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4442
4443 2005-03-16 Dale Johannesen  <dalej@apple.com>
4444
4445         * rtlanal.c (find_first_parameter_load):  Rewrite to
4446         return actual first param load or the call if none,
4447         instead of first in block, when not all loads exist.
4448
4449 2005-03-16  Roger Sayle  <roger@eyesopen.com>
4450
4451         * optabs.c (expand_copysign_absneg): Make static.
4452         * optabs.h (expand_copysign_absneg): Delete prototype.
4453         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
4454
4455 2005-03-16  Richard Henderson  <rth@redhat.com>
4456
4457         PR middle-end/15700
4458         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
4459         (alias_pairs): Rename from output_defs.
4460         (find_decl_and_mark_needed): Split out from assemble_alias.
4461         (do_assemble_alias): New.
4462         (assemble_output_def): Remove.
4463         (finish_aliases_1, finish_aliases_2): New.
4464         (process_pending_assemble_output_defs): Remove.
4465         (assemble_alias): Defer aliases for which we don't yet have a
4466         non-external decl for the target symbol.
4467         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
4468         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
4469         * toplev.c (compile_file): Use finish_aliases_2 instead of
4470         process_pending_assemble_output_defs.
4471         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
4472         (process_pending_assemble_output_defs): Remove.
4473
4474 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4475
4476         Fix PR tree-optimization/20489
4477
4478         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
4479         for empty structures.
4480
4481 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4482
4483         Fix PR tree-optimization/20490
4484
4485         * tree-ssa-pre.c (create_expression_by_pieces): Use
4486         force_gimple_operand on result of fold.
4487
4488 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
4489
4490         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
4491         of closing parenthesis.
4492
4493 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
4494
4495         * builtins.c (expand_movstr): Update a call to
4496         fold_builtin_strcpy.
4497         (expand_builtin_strncpy): Update a call to
4498         fold_builtin_strncpy.
4499         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
4500         arguments of CALL_EXPR.
4501         (fold_builtin_1): Update calls to fold_builtin_strcpy and
4502         fold_builtin_strncpy.
4503         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
4504         * tree.h: Update the prototypes of fold_builtin_strcpy and
4505         fold_builtin_strncpy.
4506
4507 2005-03-16  Steven Bosscher  <stevenb@suse.de>
4508             Dorit Naishlos  <dorit@il.ibm.com>
4509
4510         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
4511         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
4512         error.
4513
4514 2005-03-16  Steven Bosscher  <stevenb@suse.de>
4515
4516         * tree-inline.c (walk_type_fields, walk_tree,
4517         walk_tree_without_duplicates): Move from here...
4518         * tree.c: ...to here.
4519
4520 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
4521
4522         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
4523         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
4524         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
4525         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
4526         (version): Define using $(BASEVER_c).
4527         (Makefile, config.status, build/gcov-iov.o): No longer depends on
4528         version.c.
4529         (version.o): Depend on version files; add custom generation command.
4530         (prefix.o): Define BASEVER on command line.
4531         (s-iov): Depend on version files; adjust command.
4532         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
4533         Add gcc-vers.texi.
4534         (gcc-vers.texi): New rule.
4535         (doc/%.info, doc/%.dvi): Add -I . to command line.
4536         (doc/gccinstall.dvi): Likewise.
4537         (PACKAGE): Delete.  All uses replaced with "gcc".
4538         * aclocal.m4: Do not include gcc-version.m4.
4539         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
4540         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
4541         Set is_release based on contents of DEV-PHASE.
4542         Set gcc_version based on contents of BASE-VER.
4543         Define WIN32_REGISTRY_KEY only if the user overrode the default.
4544         * config.in, configure: Regenerate.
4545         * gccbug.in: Determine version of GCC in use at runtime.
4546         * gcov-iov.c: Get version number and development phase from
4547         command line, not by including version.c.
4548         * intl.c: Replace all uses of PACKAGE with "gcc".
4549         * libada-mk.in: Delete unused "gcc_version" variable.
4550         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
4551         * version.c: (VERSUFFIX): New hook for redistributors; adjust
4552         commentary to match.
4553         (version_string): Put together from pieces.
4554         * config/alpha/x-vms: Do not use $(gcc_version).
4555         * config/i386/t-nwld: Likewise.
4556         * doc/include/gcc-common.texi: Include gcc-vers.texi for
4557         version-GCC and DEVELOPMENT.
4558
4559 2005-03-15  Roger Sayle  <roger@eyesopen.com>
4560
4561         PR tree-optimization/17454
4562         * tree.c (tree_size): Add case for TREE_BINFO.
4563         * fold-const.c (fold_checksum_tree): Only clear the overloaded
4564         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
4565
4566 2005-03-15  Roger Sayle  <roger@eyesopen.com>
4567
4568         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
4569         op1 whilst expanding the signed widenening multiply variant.
4570
4571 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
4572
4573         * toplev.c (display_target_options): Avoid unused variable warning if
4574         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
4575         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
4576         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
4577         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
4578         (mips_isa_info): New variable.
4579         (mips_parse_cpu): Remove the first argument and leave the caller
4580         to report errors.
4581         (TARGET_HANDLE_OPTION): Override default.
4582         (mips_handle_option): New function.  Move option validation code from...
4583         (override_options): ...here.  Update calls to mips_parse_cpu.
4584         * config/mips/mips.h (mips_arch_string, mips_tune_string)
4585         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
4586         (SUBTARGET_TARGET_OPTIONS): Delete.
4587         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
4588         (mno-flush-func, mtune=): New options.
4589
4590 2005-03-15  Roger Sayle  <roger@eyesopen.com>
4591             Richard Henderson  <rth@redhat.com>
4592
4593         * real.c (c4x_single_format, c4x_extended_format): Provide values
4594         for signbit_ro for c4x's single and extended floating point formats.
4595         * optabs.c (expand_copysign): Use the floating point format's
4596         signbit_ro for expanding via expand_copysign_absneg, and it's
4597         signbit_rw field for expanding via expand_copysign_bit.
4598
4599 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
4600
4601         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
4602         known_alignment_for_access_p.
4603         (known_alignment_for_access_p): New.
4604         (do_peeling_for_alignment): Field made int instead of bool and renamed
4605         to peeling_for_alignment.
4606         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
4607         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
4608         functionality used to be in vect_analyze_operations.
4609         (vect_analyze_operations): Code to determine vectorization factor was
4610         moved to vect_determine_vectorization_factor.
4611         (vect_enhance_data_refs_alignment): Update to correct alignment when it
4612         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
4613         factor.
4614         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
4615         be part of vect_analyze_operations).
4616         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
4617         creating the guard condition, as the number of iterations may be
4618         constant.
4619         (slpeel_tree_peel_loop_to_edge): Use new name of
4620         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
4621         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
4622         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
4623         (vect_do_peeling_for_alignment): Use fold.
4624         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
4625
4626         (vect_update_inits_of_dr): Renamed to
4627         vect_update_init_of_dr.
4628         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
4629         (vectorizable_store): Fix assertion to use == instead of =.
4630
4631 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
4632
4633         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
4634         call_used_regs for wCG registers.
4635
4636 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
4637
4638         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
4639         for non-offsettable memory references to cope with outstanding reload
4640         replacements, take 2.
4641
4642 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
4643
4644         PR target/18668
4645         * config/i386/i386.h (x86_fisttp): New.
4646         (TARGET_FISTTP): New macro.
4647         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
4648         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
4649         instruction when fisttp flag is set.
4650         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
4651
4652         * config/i386/i386.md (type attribute): Add fisttp.
4653         (unit attribute): Set to i387 for fisttp type.
4654         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
4655         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
4656         TARGET_FISTTP.
4657         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
4658         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
4659         macros.
4660         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
4661         patterns for TARGET_FISTTP.  Enable patterns for
4662         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
4663         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
4664         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
4665         implement fisttp x87 insn.
4666         (fix_trunc*_i387_fisttp splitters): New patterns.
4667         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
4668         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
4669         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
4670         clobber.
4671         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
4672         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
4673         Implement using mode macros. Disable patterns for TARGET_FISTTP.
4674         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
4675         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
4676         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
4677         Disable patterns for TARGET_FISTTP.
4678         (fix_trunc*_i387 splitters): Implement usign mode macros.
4679         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
4680         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
4681         (fix_trunx*_sse peephole2s): Implement using mode macros.
4682
4683 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
4684
4685         PR rtl-optimization/20291
4686         * combine.c (try_combine): If splitting fails, re-try with
4687         original combined pattern, i.e. before clobber stripping.
4688
4689 2005-03-14  Eric Christopher  <echristo@redhat.com>
4690
4691         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
4692         STACK_GROWS_DOWNWARD.
4693
4694 2005-03-14  Roger Sayle  <roger@eyesopen.com>
4695
4696         * real.h (struct real_format): Split the signbit field into two
4697         two fields, signbit_ro and signbit_rw.
4698         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
4699         mips_double_format, ieee_extended_motorola_format,
4700         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
4701         ieee_extended_intel_128_format, ibm_extended_format,
4702         mips_extended_format, ieee_quad_format, mips_quad_format,
4703         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
4704         i370_double_format, c4x_single_format, c4x_extended_format,
4705         real_internal_format): Update initializers for new field.
4706         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
4707         real_format structure.
4708         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
4709         field of the real_format structure.
4710
4711 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
4712
4713         Fix PR tree-optimization/20458
4714
4715         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
4716         DECL_EXTERNAL on STRUCT_FIELD tags.
4717         (clear_call_clobbered): Ditto.
4718         * tree-ssa-operands.c (note_addressable): Make sure the original
4719         variable doesn't slip into the addressable list if we have
4720         subvars.
4721         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
4722         tags too.
4723
4724 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
4725
4726         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
4727         (-fwide-exec-charset): Likewise.
4728         (-finput-charset): Likewise.
4729         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
4730         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
4731         * c.opt (Wnormalized): New.
4732
4733 2005-03-14  Devang Patel  <dpatel@apple.com>
4734
4735         * doc/invoke.texi: Add reference to Visibility document.
4736
4737 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
4738
4739         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
4740         MASK_SPLIT_ADDRESSES.
4741         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
4742         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
4743         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
4744         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
4745         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
4746         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
4747         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
4748         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
4749         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
4750         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
4751         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
4752         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
4753         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
4754         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
4755         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
4756         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
4757         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
4758         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
4759         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
4760         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
4761         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
4762         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
4763         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
4764         (TARGET_EXPLICIT_RELOCS): Delete.
4765         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
4766         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
4767         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
4768         (override_options): Set MASK_LONG64 if -mint64 is given and no
4769         -mlongXX option is.  Complain about -mint64 -mlong32.
4770         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
4771         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
4772         * config/mips/mips.opt: New file.
4773
4774 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
4775
4776         * config.gcc (extra_options): New variable for listing option files.
4777         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
4778         * configure.ac (extra_opt_files): New AC_SUBST variable.
4779         (tm_file_list, tm_include_list): Include options.h first.
4780         * configure: Regenerate.
4781         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
4782         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
4783         (s-options-h): New rule.
4784         (options.h): Depend on it.
4785         (TEXI_GCCINT_FILES): Add options.texi.
4786         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
4787         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
4788         * target.h (gcc_target): Add default_target_flags and handle_option.
4789         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
4790         (TARGET_HANDLE_OPTION): New macros.
4791         (TARGET_INITIALIZER): Include them.
4792         * opt-functions.awk (opt_args, nth_arg): New functions.
4793         (switch_flags): Handle the "Target" flag.
4794         (var_args): Delete.
4795         (var_name): Use opt_args and nth_arg.
4796         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
4797         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
4798         macros for the "Mask" and "InverseMask" options.
4799         * opts.h (cl_var_cond): New enum.
4800         (cl_option): Replace the "has_set_value" and "set_value" fields with
4801         "var_cond" and "var_value".
4802         (CL_TARGET): New macro.
4803         (option_enabled, print_filtered_help): Declare.
4804         (decode_options): Move definition.
4805         * opts.c (handle_option): Search for the original option before
4806         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
4807         var_cond and var_value fields.  Use targetm.handle_option to handle
4808         target options.
4809         (decode_options): Set target_flags to targetm.default_target_flags.
4810         (print_filtered_help): Make global.  Handle CL_TARGET.
4811         (option_enabled): New function.
4812         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
4813         (display_target_options, set_target_switch, print_switch_values)
4814         (default_pch_valid_p): Guard uses of target_switches with
4815         #ifdef TARGET_SWITCHES.  Also...
4816         (display_target_options): Display the CL_TARGET entries in cl_options.
4817         (set_target_option): Don't complain about the "" option when
4818         TARGET_SWITCHES is undefined.
4819         (print_switch_values): Use option_enabled.
4820         (default_pch_valid_p): Check cl_options[] when looking for something
4821         that has changed the value of target_flags.
4822         * c.opt: Remove documentation from top of file.
4823         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
4824         * doc/sourecebuild.texi: Refer to the new options documentation
4825         instead of c.opt.  Document machine-specific .opt files.
4826         * doc/tm.texi (target_flags): Say that this variable is declared
4827         by options.h.
4828         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
4829         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
4830         an alternative.
4831         * doc/options.texi: New file.
4832
4833 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
4834
4835         PR middle-end/18628
4836         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
4837         register.
4838
4839 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
4840
4841         PR c++/20280
4842         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
4843         temporary variable of pointer type if an lvalues is required.
4844         (gimplify_modify_expr_rhs): Request an rvalue from it.
4845         (gimplify_expr): Pass fallback on.
4846
4847 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
4848
4849         * cfgbuild.c: Update comments.
4850
4851 2005-03-14  Roger Sayle  <roger@eyesopen.com>
4852
4853         PR rtl-optimization/17236
4854         * optabs.c (expand_doubleword_mult): New helper function split out
4855         from expand_binop.  Permute the order in which instructions are
4856         emitted to minimize the number of simultaneously live registers.
4857         (expand_binop): Call expand_doubleword_mult to synthesize a double
4858         word multiplication.
4859
4860 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
4861
4862         * basic-block.h: Update the prototypes of cached_make_edge and
4863         rtl_make_eh_edge.
4864         * cfg.c (cached_make_edge): Take edge_cache representing one
4865         row of the adjacency matrix of edges.
4866         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
4867         (make_edges): Initialize edge_cache to represent one row of
4868         the adjacency matrix of edges.
4869
4870 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
4871
4872         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
4873         New functions.
4874         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
4875         Remove unused removed_phis variable.
4876         (conditional_replacement): Use build1/build2.
4877         (abs_replacement): Use last_and_only_stmt and build1/build2.
4878
4879 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
4880
4881         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
4882         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
4883         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
4884         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
4885         * c-common.c (handle_novops_attribute): New function.
4886         (c_common_attribute_table): Add "no vops" entry.
4887         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
4888         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
4889         * tree-ssa-operands.c (get_call_expr_operands): Do not
4890         create virtual operands for calls with ECF_NOVOPS flag.
4891         * tree.h (DECL_IS_NOVOPS): New macro.
4892         (struct tree_decl): Add novops_flag.
4893         (ECF_NOVOPS): New constant.
4894
4895 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
4896
4897         PR target/17688
4898         * config/i386/i386.c (x86_use_himode_fiop): New.
4899         (x86_use_simode_fiop): Rename from x86_use_fiop.
4900         * config/i386/i386.h (x86_use_himode_fiop): Declare.
4901         (TARGET_USE_HIMODE_FIOP): New.
4902         (x86_use_simode_fiop): Rename from x86_use_fiop.
4903         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
4904
4905         * config/i386/i386.md (X87MODEI12): New mode macro define.
4906         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
4907         to implement x87 FP compare with HImode input operands.
4908         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
4909         Use X87MODEI12 mode macro to handle HImode input operands.
4910         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
4911         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
4912         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
4913         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
4914         macro to implement x87 operators with HImode input operands.
4915         (fop splitters): Use X87MODEI12 mode macro to handle HImode
4916         input operands.
4917
4918 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
4919
4920         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
4921         integer_zerop.
4922         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
4923         constants invariant.
4924
4925 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
4926
4927         * basic-block.h (BB_VISITED): Removed.
4928         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
4929
4930 2005-03-14  Falk Hueffner  <falk@debian.org>
4931
4932         PR bootstrap/20424
4933         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
4934
4935 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
4936
4937         * ggc-zone.c: Fix comment typos.
4938
4939         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
4940         stringpool.c, config/mips/mips-protos.h: Update copyright.
4941
4942 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
4943
4944         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
4945         throughout with its typedef, "rtx".
4946         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
4947         (rs6000_tls_symbol_ref_1): Remove inline keyword.
4948         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
4949         regs in comment to match code.
4950
4951 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
4952
4953         * except.c (check_handled): Make it static.
4954         * except.h: Remove the corresponding prototype.
4955
4956         * function.c (get_func_frame_size): Make it static.
4957         * function.h: Remove the corresponding type.
4958
4959         * regclass.c (reg_class_superclasses, reg_class_subclasses):
4960         Make them static.
4961         * hard-reg-set.h: Remove the corresponding declarations.
4962
4963         * tree-cfg.c (verify_stmts): Check that
4964         bb_for_stmt (stmt) == bb for every PHI node and statement.
4965
4966 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
4967
4968         * config.gcc: Remove excess indentation.
4969         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
4970
4971 2005-03-13  Roger Sayle  <roger@eyesopen.com>
4972
4973         PR middle-end/19331
4974         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
4975         * fold-const.c (fold_sign_changed_comparison): Likewise.
4976         (fold_binary): Optimize comparisons against widened operands if
4977         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
4978
4979 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4980
4981         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
4982         (sparc_override_options): Initialize it.
4983         (sparc_struct_value_rtx): Set it on the MEM to be returned.
4984
4985 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
4986
4987         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
4988         (reg_or_none500mem_operand): New predicate.
4989         (zero_reg_mem_operand): New predicate.
4990         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
4991         to reg_or_none500mem_operand.
4992         (extendsfdf2_fpr): Add MEM alternative.
4993         (extenddftf2_internal): Change operand2 predicate to
4994         zero_reg_mem_operand.
4995
4996 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
4997
4998         * ggc-zone.c: Rewritten.
4999
5000         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
5001         if there are none.
5002         * configure.ac: Define GGC_ZONE for --with-gc=zone.
5003         * config.in: Regenerated.
5004         * configure: Regenerated.
5005         * gengtype.c (write_types_process_field, write_func_for_structure):
5006         Pass new argument to gt_pch_note_object.
5007         * ggc-common.c (struct ptr_data): Add TYPE.
5008         (gt_pch_note_object): Take TYPE argument and save it.
5009         (call_count): Update call to ggc_pch_count_object.
5010         (call_alloc): Update call to ggc_pch_alloc_object.
5011         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
5012         file.
5013         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
5014         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
5015         (ggc_alloc_zone_stat): Delete.
5016         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
5017         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
5018         (ggc_pch_alloc_object): Update prototypes.
5019         (garbage_zone): Delete.
5020         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
5021         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
5022         pointers.
5023         (tree_id_zone): New variable.
5024         (ggc_alloc_cleared_zone): Remove unused.
5025         (ggc_alloc_zone): Define.
5026         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
5027         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
5028         ggc_alloc_zone_stat.
5029         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
5030         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
5031         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
5032         (make_node_stat): Likewise.  Use tree_id_zone.
5033
5034 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5035             Joseph S. Myers  <joseph@codesourcery.com>
5036
5037         * configure.ac: Check for MIPS TLS.
5038         * configure: Regenerated.
5039         * config/mips/mips-protos.h (enum mips_symbol_type): Add
5040         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
5041         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
5042         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
5043         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
5044         (mips_classify_symbol, mips_symbolic_constant_p)
5045         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
5046         (mips_tls_operand_p, mips_call_tls_get_addr)
5047         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
5048         (mips_tls_symbol_ref_1): New functions.
5049         (mips_legitimize_address, mips_legitimize_const_move): Call
5050         mips_legitimize_tls_address.
5051         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
5052         for MIPS16.
5053         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
5054         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
5055         (mips_char_to_class): Document V1_REG.
5056         (HAVE_AS_TLS): Provide default.
5057         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
5058         constants.
5059         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
5060         !TARGET_ABICALLS.
5061         (tls_get_tp_<mode>): New instruction.
5062
5063 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5064
5065         * configure.ac: Update checks for target tools.
5066         * configure: Regenerated.
5067
5068 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5069
5070         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
5071
5072 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5073
5074         * expmed.c (expand_mult): Use synthetic multiplication sequences for
5075         more classes of DImode multiplication by constant.  Allow both
5076         multiplication by small negative constants (by performing a
5077         multiplication by a positive constant and negating the result) and
5078         multiplications by large powers of two, by using a left shift.
5079
5080 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5081
5082         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
5083         of basic blocks into work_stack.
5084
5085         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
5086         config/mips/vr.h: Update copyright.
5087
5088         * c-decl.c (c_init_decl_processing): Remove useless calls to
5089         build_function_type.
5090
5091         * builtins.c (fold_trunc_transparent_mathfn,
5092         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
5093         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5094         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
5095         fold_builtin_strcpy, fold_builtin_strncpy,
5096         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
5097         TREE_TYPE (exp).
5098
5099         * builtins.c (expand_builtin_mathfn_3): Remove local variable
5100         before_call.
5101
5102         * lambda-code.c (lambda_compute_auxillary_space): Remove local
5103         variable determinant.
5104
5105         * tree-cfg.c (group_case_labels): Remove local variable type.
5106
5107         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
5108         variable ann.
5109
5110         * tree-ssa-phiopt.c (value_replacement): Remove local variable
5111         result.
5112
5113 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
5114
5115         PR target/18251
5116         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
5117         (*movmemqi_insn): Delete.
5118         (*movmemhi): Delete.
5119
5120 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5121
5122         * builtins.c (fold_builtin_classify): Take decomposed
5123         arguments of CALL_EXPR.
5124         (fold_builtin_1): Update a call to fold_builtin_classify.
5125
5126 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
5127
5128         PR c/20402
5129         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
5130         through into call to parser_xref_tag after parse error.
5131         (c_parser_struct_declaration): Consistently return NULL_TREE on
5132         error.
5133
5134 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
5135
5136         * tree-flow-inline.h (ref_contains_array_ref): New function.
5137         (lookup_subvars_for_var): Ditto.
5138         (get_subvars_for_var): Ditto.
5139         (var_can_have_subvars): Ditto.
5140
5141         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
5142         (struct subvar): New type.
5143
5144         * tree-dfa.c (okay_component_ref_for_subvars): New function.
5145
5146         * tree-optimize.c (init_tree_optimization_passes): Call
5147         pass_create_structure_vars.
5148
5149         * tree-ssa-alias.c: Include vec.h.
5150         (init_alias_info): Don't auto-clear call clobbered on struct-field
5151         tags.
5152         (compute_flow_insensitive_aliasing): Handle subvars.
5153         (group_aliases): Handle STRUCT_FIELD aliases.
5154         (setup_pointers_and_addressables): Ditto.
5155         Don't mark variables non-addressable if they still have
5156         addressable subvars.
5157         Also mark subvars addressable when the real variable is marked
5158         addressable.
5159         (add_pointed_to_var): Try to prune the pointed-to set by only
5160         pointing to subvars when possible.
5161         Otherwise, make sure we set addresses_needed and pt_vars to
5162         properly include subvars.
5163         (bitpos_of_field): New function.
5164         (push_fields_onto_fieldstack): Ditto.
5165         (get_or_create_used_part_for): Ditto.
5166         (create_overlap_variables_for): Ditto.
5167         (find_used_portions): Ditto.
5168         (create_structure_vars): Ditto.
5169         (pass_create_structure_vars): New structure.
5170
5171         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
5172         (get_expr_operands): Handle subvars.  Also try to turn
5173         COMPONENT_REF accesses into must-defs now that we can accurately
5174         portray it.
5175         (note_addressable): Try to only mark as addressable those subvars
5176         we know a COMPONENT_REF touches.
5177         (overlap_subvar): New function.
5178
5179         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
5180         Handle subvar storing.
5181         (vect_address_analysis): Update caller of vect_object_analysis.
5182
5183         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
5184
5185         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
5186         (STMT_VINFO_SUBVARS): New macro.
5187
5188         * common.opts: add flag_tree_salias.
5189
5190         * opts.c (decode_options): flag_tree_salias defaults to on.
5191
5192         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
5193
5194         * doc/tree-ssa.texi: Document structural alias analysis.
5195
5196 2005-03-12  Steven Bosscher  <stevenb@suse.de>
5197
5198         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
5199         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
5200         * tree-ssa-operands.c (get_expr_operands): Likewise.
5201         (get_expr_operands): Likewise for ERROR_MARK.
5202
5203 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5204
5205         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
5206         var.
5207
5208         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
5209         removed_phis.
5210
5211         * tree-ssa-pre.c (compute_avail): Remove local variable val.
5212         (mark_operand_necessary): Remove local variable ver.
5213
5214         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
5215         variable prefix_len.
5216
5217         * value-prof.c (mod_subtract_transform): Remove local variable
5218         value.
5219
5220         * builtins.c (fold_builtin_exponent): Take decomposed
5221         arguments of CALL_EXPR.
5222         (fold_builtin_1): Update a call to fold_builtin_exponent.
5223
5224         * builtins.c (fold_builtin_logarithm): Take decomposed
5225         arguments of CALL_EXPR.
5226         (fold_builtin_1): Update a call to fold_builtin_logarithm.
5227
5228         * c-decl.c (c_init_decl_processing): Remove local variables
5229         ptr_ftype_void and ptr_ftype_ptr.
5230
5231         * gimplify.c (gimplify_expr): Remove local variables r0 and
5232         r1.
5233
5234         * reg-stack.c (move_for_stack_reg): Remove local variable
5235         push_insn.
5236         (compare_for_stack_reg): Remove local variable flags_user.
5237         (convert_regs_1): Remove local variable deleted.
5238
5239         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
5240         variable new_cond.
5241         (combine_blocks): Remove local variables exits and new_e.
5242
5243         * tree-inline.c (expand_call_inline): Remove local variable
5244         decl.
5245
5246         * tree-ssa-live.c (create_ssa_var_map,
5247         calculate_live_on_entry): Remove local variable snn.
5248
5249 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
5250
5251         * c-lex.c (c_lex_with_flags): Add parameter to call to
5252         cpp_spell_token.
5253
5254 2005-03-11  Per Bothner  <per@bothner.com>
5255
5256         * c-tree.h (struct c_declarator): New id_loc field.
5257         * c-pragma.h (c_lex_with_flags): Take position reference.
5258         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
5259         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
5260         (c_lex): Pass dummy location to c_lex_with_flags.
5261         * c-parser.c (c_lex_one_token): Set c_token's location using
5262         c_lex_with_flags, instead of input_location, which might be "ahead".
5263         (c_parser_direct_declarator): Set declarator's id_loc from
5264         c_token's id_loc.
5265         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
5266         declarator's id_loc, rather than probably-imprecise input_location.
5267         (build_id_declarator): Initialize c_declarator's id_loc field.
5268
5269 2005-03-11  Roger Sayle  <roger@eyesopen.com>
5270
5271         PR middle-end/20419
5272         * builtins.c (expand_builtin_signbit): Force the signbit's word
5273         into an integer register to avoid SUBREGs of floating point modes.
5274
5275 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5276
5277         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
5278         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
5279         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
5280         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
5281
5282 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
5283
5284         PR rtl-optimization/20306
5285         * expr.c (emit_move_complex): Set try_int false if mode is
5286         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
5287         emit_block_move if try_int is true.
5288
5289 2005-03-11  Richard Henderson  <rth@redhat.com>
5290
5291         PR target/20415
5292         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
5293         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
5294         to match.
5295
5296 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5297
5298         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
5299         (TARGET_FIX_VR4130): New macro.
5300         (TARGET_OPTIONS): Add -mfix-vr4130.
5301         (ISA_HAS_MACCHI): New macro.
5302         (ASM_SPEC): Add -mfix-vr4130.
5303         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
5304         (override_options): Handle mips_fix_vr4130_string.
5305         (mips_avoid_hazards): Clear all_noreorder_p
5306         if we're working around VR4130 errata and the macc alternatives
5307         are not available.
5308         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
5309         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
5310         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
5311         (MULTILIB_DEFAULTS): Remove leading "march=".
5312         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
5313         if no architecture option is given.
5314         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
5315         VR4130 multilibs.
5316         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
5317         * doc/invoke.texi: Document -mfix-vr4130.
5318
5319 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5320
5321         * config/mips/mips.c (override_options): Only warn about -mint64
5322         deprecation if TARGET_INT64.
5323
5324 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5325
5326         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
5327         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
5328         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
5329         are non-specific regarding the nonnull parameter positions.
5330         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
5331         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
5332         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
5333         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
5334
5335         * builtins.def: Use the non-specific "nonnull" attibute lists.
5336
5337 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5338
5339         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5340         single_pred_edge, single_succ, single_pred): Improve comments.
5341
5342 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5343
5344         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5345         single_pred_edge, single_succ, single_pred): New inline functions.
5346         * bb-reorder.c (rotate_loop, find_traces_1_round,
5347         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
5348         duplicate_computed_gotos): Use the single_succ/pred functions.
5349         * cfganal.c (forwarder_block_p): Ditto.
5350         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
5351         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
5352         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
5353         merge_seq_blocks): Ditto.
5354         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
5355         * cfglayout.c (fixup_reorder_chain): Ditto.
5356         * cfgloop.c (mark_single_exit_loops, update_latch_info,
5357         canonicalize_loop_headers, verify_loop_structure): Ditto.
5358         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
5359         mfb_update_loops, create_preheader, force_single_succ_latches,
5360         create_loop_notes): Ditto.
5361         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
5362         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
5363         commit_one_edge_insertion, purge_dead_edges,
5364         cfg_layout_can_merge_blocks_p): Ditto.
5365         * except.c (sjlj_emit_function_enter): Ditto.
5366         * flow.c (init_propagate_block_info): Ditto.
5367         * function.c (thread_prologue_and_epilogue_insns): Ditto.
5368         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
5369         insert_insn_end_bb): Ditto.
5370         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
5371         find_if_case_2): Ditto.
5372         * lambda-code.c (perfect_nestify): Ditto.
5373         * lcm.c (optimize_mode_switching): Ditto.
5374         * loop-doloop.c (doloop_modify): Ditto.
5375         * loop-init.c (loop_optimizer_init): Ditto.
5376         * loop-iv.c (simplify_using_initial_values): Ditto.
5377         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
5378         * loop-unswitch.c (unswitch_loop): Ditto.
5379         * modulo-sched.c (generate_prolog_epilog): Ditto.
5380         * predict.c (combine_predictions_for_insn, estimate_probability,
5381         tree_estimate_probability, last_basic_block_p,
5382         estimate_bb_frequencies): Ditto.
5383         * profile.c (branch_prob): Ditto.
5384         * regrename.c (copyprop_hardreg_forward): Ditto.
5385         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
5386         * tracer.c (layout_superblocks): Ditto.
5387         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
5388         cfg_remove_useless_stmts_bb, cleanup_control_flow,
5389         cleanup_control_expr_graph, disband_implicit_edges,
5390         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
5391         tree_verify_flow_info, tree_make_forwarder_block,
5392         tree_forwarder_block_p, remove_forwarder_block,
5393         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
5394         * tree-if-conv.c (tree_if_conversion): Ditto.
5395         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
5396         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
5397         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
5398         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
5399         copy_loop_headers): Ditto.
5400         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
5401         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
5402         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
5403         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
5404         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
5405         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
5406         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
5407         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
5408         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
5409         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
5410         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
5411         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
5412         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
5413         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
5414         slpeel_add_loop_guard): Ditto.
5415
5416 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
5417
5418         PR tree-optimization/15784
5419         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
5420         and -1 - A to ~A.
5421
5422         * stmt.c (expand_case): Don't change index_type.  Convert minval
5423         to the proper type.
5424
5425         PR tree-optimization/20130
5426         * fold-const.c (fold): Fold x * -1 into -x.
5427
5428 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
5429
5430         PR rtl-optimization/20331
5431         * rtlanal.c (modified_between_p): Check its address first for MEM.
5432         (modified_in_p): Likewise.
5433
5434 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
5435
5436         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
5437
5438 2005-03-10  Steven Bosscher  <stevenb@suse.de>
5439
5440         * expr.c (expand_expr_real_1): If possible, use a conditional
5441         move for expanding MIN_EXPR and MAX_EXPR.
5442         Use temp for moving around rtx-en.
5443
5444 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
5445
5446         PR rtl-opt/20412
5447         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
5448         correct mode.
5449
5450 2005-03-10  Roger Sayle  <roger@eyesopen.com>
5451
5452         * builtins.c (expand_builtin_signbit): Extend to handle floating
5453         point modes wider than the largest integer type, using the
5454         operand_subword_force function to obtain the signbit's word.
5455
5456 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
5457
5458         PR target/20322
5459         * combine.c (try_combine): If recog_for_combine added CLOBBERs
5460         to NEWI2PAT, fail to combine if they are used by NEWPAT.
5461
5462 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
5463
5464         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
5465
5466 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
5467
5468         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
5469         type void.
5470         (perform_edge_inserts): Unconditionally call
5471         free_dominator_info.
5472
5473         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
5474
5475 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
5476
5477         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
5478
5479 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
5480
5481         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
5482
5483         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
5484         gcc_unreachable.
5485         (rtl_register_value_prof_hooks,
5486         tree_value_profile_transformations,
5487         tree_register_value_prof_hooks): Likewise.
5488         * var-tracking.c (stack_adjust_offset_pre_post,
5489         variable_htab_free, variable_union, dataflow_set_different_2,
5490         count_uses, variable_was_changed, set_frame_base_location,
5491         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
5492         vt_add_function_parameters): Likewise.
5493         * varasm.c (named_section_real, named_section, make_decl_rtl,
5494         asm_emit_uninitialised, assemble_integer, decode_addr_const,
5495         const_hash_1, compare_constant, copy_constant, force_const_mem,
5496         output_constant_pool_2, output_constant_pool_1, output_constant,
5497         output_constructor, make_decl_one_only, decl_tls_model,
5498         default_no_named_section, default_elf_select_section_1,
5499         default_unique_section_1): Likewise.
5500         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
5501         * vmsdbgout.c (addr_const_to_string): Likewise.
5502
5503         PR c++/20375
5504         * function.c (struct assign_parm_data_one): Remove last_named
5505         field.
5506         (assign_parm_find_data_types): Don't determine last_named.
5507         Reorder named_parm determination.
5508         (assign_parms): Only setup varargs on the last non-varadic
5509         parameter.
5510
5511 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
5512
5513         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
5514         sda base address on medium model.
5515
5516 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
5517
5518         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
5519         * cfgloop.c (flow_loop_nodes_find): Export.
5520         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
5521         Declare.
5522         * cfgloopmanip.c (fix_loop_structure): New function.
5523         * predict.c (predict_loops): Clean up the loops information.
5524         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
5525         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
5526         loop structure.
5527         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
5528         (rewrite_into_loop_closed_ssa): Declaration changed.
5529         * tree-loop-linear.c (linear_transform_loops): Add argument to
5530         rewrite_into_loop_closed_ssa call.
5531         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5532         * tree-ssa-loop-im.c (move_computations): Ditto.
5533         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5534         * tree-vectorizer.c (vectorize_loops): Ditto.
5535         * tree-optimize.c: Include cfgloop.h.
5536         (execute_todo): Choose whether to call cleanup_tree_cfg or
5537         cleanup_tree_cfg_loop.
5538         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
5539         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
5540         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
5541         cleanup_tree_cfg_loop call.
5542         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
5543         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
5544         work on part of cfg.
5545
5546 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
5547
5548         PR inline-asm/20314
5549         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
5550         with multiple alternatives.
5551
5552         * stmt.c (parse_output_constraint): Fix a typo.
5553
5554 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
5555
5556         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
5557         assembly directive instead of deprecated "no-generics".
5558
5559 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
5560
5561         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
5562         for non-offsettable memory references to cope with outstanding reload
5563         replacements.
5564         * config/s390/s390.md ("reload_outti"): Call find_replacement to
5565         avoid losing outstanding address reloads.
5566         ("reload_outdi", "reload_outdf"): Likewise.
5567
5568 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5569
5570         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
5571         code.  Add more cbrt transformations.
5572
5573 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5574
5575         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
5576
5577 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
5578
5579         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
5580         NULL_TREE when a given tree is not simplified.
5581         (fold): Return the original tree when any of the functions
5582         mentioned above NULL_TREE.
5583
5584         * fold-const.c (fold_unary, fold_binary): Take decomposed
5585         arguments, code, type, op0, and op1 in case of fold_binary.
5586         (fold): Update calls to fold_unary and fold_binary.
5587
5588 2005-03-09  Roger Sayle  <roger@eyesopen.com>
5589
5590         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
5591         a fndecl and an arglist instead of a CALL_EXPR, exp.
5592
5593 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
5594
5595         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
5596
5597         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
5598
5599         * expr.c (expand_assignment): Remove orig_to_rtx.
5600
5601         * fold-const.c (int_const_binop): Remove no_overflow.
5602
5603         * ifcvt.c (noce_emit_move_insn): Remove inmode.
5604
5605         * loop-iv.c (get_biv_step_1): Remove lhs.
5606
5607         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
5608
5609         * real.c (real_nan): Remove neg.
5610
5611         * function.c (thread_prologue_and_epilogue_insns): Remove i
5612         and newinsn.
5613
5614         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
5615         tb.
5616
5617         * tree-eh.c (tree_could_trap_p): Remove idx.
5618
5619         * tree-into-ssa.c (ann): Remove ann.
5620
5621         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
5622
5623         * tree-sra.c (decide_block_copy): Remove inst_count.
5624
5625         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
5626
5627         * tree-ssa-loop-im.c (lhs): Remove.
5628
5629         * cfgbuild.c (state, STATE, SET_STATE,
5630         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
5631         make_edges.
5632         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
5633         (find_basic_blocks): Set the state of each basic block to
5634         BLOCK_NEW.
5635
5636 2005-03-08  Jeff Law  <law@redhat.com>
5637
5638         * tree-cfg.c (cleanup_control_flow): If removal of a computed
5639         goto results in the removal of edges in the CFG, then we need
5640         to recompute dominators.
5641
5642 2005-03-09  Ben Elliston  <bje@au.ibm.com>
5643
5644         * c-common.c (c_do_switch_warnings): Comment fix.
5645
5646 2005-03-08  Julian Brown  <julian@codesourcery.com>
5647
5648         * Patch from 2005-03-08 reverted for causing regressions and
5649         ppc-darwin bootstrap failure.
5650
5651 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
5652
5653         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
5654         Define the real function for ppc-darwin.
5655         * c-typeck.c (convert_arguments): Check for target-specific
5656         invalid argument call to unprototyped function.
5657         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5658         New Macro.
5659         * target.h (invalid_arg_for_unprototyped_fn): New field
5660         in struct calls.
5661         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
5662         default target hook.
5663         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
5664         Declare.
5665
5666 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5667
5668         * c-typeck.c (constructor_stack, constructor_range_stack,
5669         initializer_stack): Make them static.
5670
5671         * cfg.c (rbi_pool): Make it static.
5672
5673         * gimple-low.c (lower_stmt_body): Make it static.
5674         * tree-flow.h: Remove the corresponding prototype.  Don't
5675         declare lower_data.
5676
5677         * sched-deps.c (cache_size): Make it static.
5678
5679         * stor-layout.c (lang_adjust_rli): Make it static.
5680
5681 2005-03-08  Julian Brown  <julian@codesourcery.com>
5682
5683         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
5684         from being used for symbols with vague linkage when
5685         HAVE_GAS_COMDAT_GROUP is true.
5686
5687 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
5688
5689         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
5690         nlabel == JUMP_LABEL (jump).
5691
5692 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5693
5694         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
5695         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
5696         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
5697         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
5698
5699 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
5700
5701         PR c/14411
5702         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
5703         * c-common.c (handle_returns_twice): New function.
5704         (c_common_attribute_table): Declare eturns_twice' attribute.
5705         * doc/extend.texi: Document eturns_twice' attribute.
5706         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
5707         (struct tree_decl): Add returns_twice_flag.
5708
5709 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5710
5711         * tree-ssa-phiopt.c: Fix a comment typo.
5712
5713         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
5714         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
5715         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
5716         copyright.
5717
5718 2005-03-08  Richard Henderson  <rth@redhat.com>
5719
5720         * config/alpha/alpha.c (code_for_builtin): Replace special-case
5721         builtin codes with ctzdi2, clzdi2, popcountdi2.
5722         (struct alpha_builtin_def): Add is_const.
5723         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
5724         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
5725         (alpha_init_builtins): Init them.  Set nothrow and const attributes
5726         on builtins.
5727         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
5728         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
5729         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
5730         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
5731         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
5732         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
5733         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
5734         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
5735         (TARGET_FOLD_BUILTIN): New.
5736         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
5737         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
5738         (ffsdi2): Use ctz.
5739         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
5740
5741 2005-03-08  Ira Rosen  <irar@il.ibm.com>
5742
5743         PR tree-optimization/20122
5744         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
5745         condition of access function instead of base.
5746
5747 2005-03-07  Jeff Law  <law@redhat.com>
5748             Steven Bosscher  <stevenb@suse.de>
5749
5750         * tree-cfg.c (find_taken_edge_computed_goto): New function.
5751         (find_taken_edge): Call find_taken_edge_computed_goto as
5752         appropriate.  Allow any gimple invariant rather than just
5753         INTEGER_CST for VAL.
5754         (cleanup_control_flow): Cleanup a computed goto which has turned
5755         into a simple goto.
5756         (tree_merge_blocks): If block B has any forced labels, move
5757         them to the start of block A.
5758         * tree-ssa-dom.c (thread_across_edge): Allow threading across
5759         computed gotos as well.
5760         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
5761         removal of unnecessary computed gotos too.
5762         (lookup_redirection_data): Fix type of INSERT argument.  Callers
5763         updated.
5764
5765 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5766
5767         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
5768         Remove trailing spaces.
5769
5770         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
5771         unshare_all_trees): Make them static.
5772         * tree-gimple.h: Remove the corresponding prototypes.
5773
5774         * diagnostic.h: Remove unused prototype
5775         debug_output_buffer.
5776         * modulo-sched.c: Remove unused prototype
5777         set_row_column_for_ps.
5778
5779         * tree-ssa-phiopt.c (tree_ssa_phiopt,
5780         replace_phi_edge_with_variable): Remove unused variable i.
5781
5782 2005-03-07  Per Bothner  <per@bothner.com>
5783
5784         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
5785
5786 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
5787
5788         PR tree-opt/17671
5789         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
5790         bbs on the COND_EXPR instead of the PHI_NODEs.
5791         (candidate_bb_for_phi_optimization): Remove.
5792         (replace_phi_with_stmt): Rename to ...
5793         (replace_phi_edge_with_variable): this and change so that we
5794         replace the phi argument instead of removing the PHI.
5795         (conditional_replacement): Change so we deal with PHI with more
5796         than two arguments.
5797         (value_replacement): Likewise.
5798         (abs_replacement): Likewise.
5799
5800 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
5801
5802         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
5803         output_e500_flip_gt_bit.
5804
5805         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
5806         as bit 31.
5807         (rs6000_generate_compare): Fix logic to look at the correct bits.
5808         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
5809         Look at GT bit.
5810         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
5811         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
5812         gen_move_from_CR_gt_bit.
5813
5814         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
5815         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
5816         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
5817
5818         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
5819         (E500_CR_IOR_COMPARE): New constant.
5820
5821 2005-03-08  Earl Chew <earl_chew@agilent.com>
5822             David Billinghurst <David.Billinghurst@riotinto.com>
5823
5824         * config/i386/host-cygwin.c: New file to support precompiled
5825         headers on cygwin
5826         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
5827         * config.host: Use above files for cygwin host.
5828
5829 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
5830
5831         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
5832         ordering ops from earlier change.
5833
5834 2005-03-07  Per Bothner  <per@bothner.com>
5835
5836         Various fixes to allow us to again build if --enable-mapped-location:
5837         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
5838         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
5839         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
5840         local variable loc. Change logic appropriately.
5841         * tree-vect-transform.c (vect_finish_stmt_generation): Use
5842         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
5843         * c-parser.c (c_parser_for_statement): Initialize loc variable.
5844         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
5845         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
5846
5847 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
5848
5849         PR rtl-optimization/19683
5850         * reload1.c (choose_reload_regs): Pass the number of bits, not the
5851         number of bytes, to smallest_int_for_mode.  Fix arguments to
5852         REG_CANNOT_CHANGE_MODE_P.
5853
5854 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5855
5856         * reorg.c (relax_delay_slots): Check that the jump is
5857         conditional before trying to invert it.
5858
5859 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
5860
5861         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
5862         Make them static.
5863
5864         * calls (stack_arg_under_construction): Make it static.
5865
5866         * flow.c (regs_live_at_setjmp): Make it static.
5867         * flow.h: Remove the corresponding prototype.
5868
5869         * reload1.c (reload_startobj, reload_firstobj,
5870         something_needs_operands_changed, reload_inherited,
5871         reload_inheritance_insn, reload_override_in,
5872         reload_spill_index): Make them static.
5873
5874         * recog.c (verify_changes): Make it static.
5875         * recog.h: Remove the corresponding prototype.
5876
5877         * cfgbuild.c (find_sub_basic_blocks): Remove.
5878         * basic-block.h: Remove the corresponding prototype.
5879         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
5880         in comments.
5881         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
5882
5883         * tree-ssa-operands.c (check_build_stmt): Remove.
5884
5885         * stor-layout.c (set_alignment): Remove.
5886         * tree.h: Remove the corresponding prototype.
5887
5888         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
5889
5890         * tree-ssa-dce.c (control_dependence_map,
5891         visited_control_parents): Make them static.
5892
5893         * cfghooks.c (verify_flow_info): Remove local variable
5894         num_bb_notes.
5895
5896         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
5897         last_bb_seen.
5898
5899         * loop-unswitch.c (unswitch_loop): Remove local variable src.
5900
5901 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
5902
5903         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
5904
5905 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
5906
5907         * config/ia64/hpux.h (LINK_SPEC): Add -z.
5908         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
5909         PARALLEL for an empty structure.
5910
5911 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
5912
5913         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
5914
5915         * fold-const.c (fold_binary): Unroll the very first "for"
5916         loop.
5917
5918 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
5919
5920         * config/rs6000/predicates.md (branch_comparison_operator): Remove
5921         redundant match_code test.
5922         (scc_comparison_operator): Swap match_operand and match_code
5923         tests.
5924         (branch_positive_comparison_operator): Same.
5925         (trap_comparison_operator): Use comparison_operator and swap with
5926         match_code test.
5927
5928 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
5929
5930         PR target/20288
5931         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
5932         (out_movhi_r_mr): Read low byte of volatile MEM first.
5933         (out_movhi_mr_r): Write high byte of volatile MEM first.
5934
5935 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
5936
5937         * cselib.c (reg_values, reg_values_size): Make them static.
5938
5939         * cse.c (cse_reg_info_table): Make it static.
5940
5941         * fold-const.c (fold_unary): Use build1 instead of copy_node.
5942
5943 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
5944
5945         * cse.c (find_best_addr): Use canon_for_address.
5946
5947 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
5948
5949         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
5950         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
5951         SUBREG and MEM, respectively.
5952
5953         * fold-const.c (fold_binary): Use code instead of t.
5954
5955         * fold-const.c (optimize_minmax_comparison): Take decomposed
5956         arguments code, type, op0, and op1 instead of t.
5957         (fold_binary): Update a call to optimize_minmax_comparison.
5958
5959         * fold-const.c (fold_range_test): Take decomposed arguments
5960         code, type, op0, and op1 instead of t.
5961         (fold_binary): Update a call to fold_range_test.
5962
5963         * fold-const.c (fold_binary_op_with_conditional_arg): Take
5964         decomposed arguments code, type, op0, and op1 instead of t.
5965         (fold_binary): Update a call to fold_range_test.
5966
5967 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
5968
5969         * fold-const.c (fold_binary): Avoid directly using the original
5970         expression t as much as possible.
5971
5972 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
5973
5974         * c-semantics.c (build_stmt): Use TYPE_P instead of
5975         IS_NON_TYPE_CODE_CLASS.
5976         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
5977         (NON_TYPE_CHECK): Use TYPE_P instead of
5978         IS_NON_TYPE_CODE_CLASS.
5979
5980         * fold-const.c (fold): Remove handling of binary expressions.
5981
5982 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
5983
5984         * doc/c-tree.texi: Wrap comments in @r{}.
5985         * doc/cpp.texi: Likewise.
5986         * doc/cppinternals.texi: Likewise.
5987         * doc/extend.texi: Likewise.
5988         * doc/md.texi: Likewise.
5989         * doc/objc.texi: Likewise.
5990         * doc/sourcebuild.texi: Likewise.
5991         * doc/tm.texi: Likewise.
5992         * doc/tree-ssa.texi
5993
5994 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
5995
5996         * predict.c (apply_return_prediction): Standardize PHI chain
5997         walking.
5998         * tree-ssa.c (ssa_redirect_edge): Likewise.
5999
6000         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
6001         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
6002         Update copyright.
6003
6004         * tree-phinodes.c (remove_phi_node): Drop the last argument.
6005         * tree-flow.h: Adjust the prototype for remove_phi_node.
6006         * lambda-code.c (perfect_nestify): Adjust a call to
6007         remove_phi_node.
6008         * tree-cfg.c
6009         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
6010         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
6011         Likewise.
6012         * tree-ssa-dce.c (remove_dead_phis): Likewise.
6013         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6014         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6015         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
6016
6017         * combine.c (simplify_and_const_int): Use gen_int_mode instead
6018         of GEN_INT (trunc_int_for_mode (...)).
6019         * loop-iv.c (iv_number_of_iterations): Likewise.
6020         * postreload.c (reload_cse_move2add): Likewise.
6021         * simplify-rtx.c (simplify_const_unary_operation,
6022         simplify_const_binary_operation): Likewise.
6023         * stor-layout.c (get_mode_bounds): Likewise.
6024
6025         * fold-const.c (fold_binary): New.
6026         (fold): Call fold_binary on binary expressions.
6027
6028 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
6029
6030         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
6031         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
6032         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
6033         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
6034         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
6035
6036 2005-03-04  Devang Patel  <dpatel@apple.com>
6037
6038         PR tree-optimization/18815
6039         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6040         loops with zero exit edges.
6041
6042 2005-03-04  Devang Patel  <dpatel@apple.com>
6043
6044         * doc/invoke.texi: Remove reference to webpage that does not exist.
6045
6046 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
6047             Joseph S. Myers  <joseph@codesourcery.com>
6048
6049         PR c++/19797
6050         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
6051         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
6052         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
6053         * pa.c (get_plabel): Change argument to symbol_ref.  Call
6054         maybe_get_identifier instead of get_identifier.
6055         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
6056         (struct deferred_plabel): Replace name field with symbol field.
6057         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
6058         ASM_OUTPUT_EXTERNAL_REAL is defined.
6059         (output_global_address): Use output_addr_const for output of all
6060         symbol_refs.
6061         (output_deferred_plabels): Use symbol_ref instead of name for address
6062         output.
6063         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
6064         ASM_OUTPUT_SYMBOL_REF): New macros.
6065         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
6066         comment.
6067         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
6068         label.
6069
6070 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
6071
6072         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
6073         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
6074
6075 2005-03-04  Jeff Law  <law@redhat.com>
6076
6077         * basic-block.h (rediscover_loops_after_threading): Declare.
6078         * tree-ssa-dom.c: Include cfgloop.h.
6079         (tree_ssa_dominator_optimize): Discover loops and some basic
6080         properties.  Remove forwarder blocks recreated by loop header
6081         canonicalization.  Also mark backedges in the CFG.
6082         * tree-ssa-threadupdate.c: Include cfgloop.h
6083         (rediscover_loops_after_threading): Define.
6084         (struct local_info): New field, JUMP_THREADED.
6085         (prune_undesirable_thread_requests): New function.
6086         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
6087         then record that fact for the callers of redirct_edges.
6088         (thread_block): If BB has incoming backedges, then call
6089         prune_undesirable_thraed_requests.    Note when we are
6090         going to have to rediscover loop information.  Return a
6091         boolean indicating if any jumps were threaded.
6092         (thread_through_all_blocks): Bubble up boolean indicating
6093         if any jumps were threaded.
6094         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
6095         (tree-ssa-threadupdate.o): Similarly.
6096
6097 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6098
6099         * fold-const.c (fold_ternary): Unroll the "for" loop to
6100         extract operands.
6101
6102 2005-03-04  Andrew Haley  <aph@redhat.com>
6103
6104         * unwind-dw2-fde-glibc.c (struct
6105         unw_eh_callback_data.check_cache): New field.
6106         (frame_hdr_cache): New.
6107         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
6108         Cache frame header info.
6109
6110 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
6111
6112         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
6113         (print_c_condition): Declare.
6114         * read-rtl.c (ptr_loc): New structure.
6115         (ptr_locs, ptr_loc_obstack, joined_conditions)
6116         (joined_conditions_obstack): New variables.
6117         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
6118         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
6119         (join_c_conditions, print_c_condition): New functions.
6120         (apply_macro_to_string): Associate the new string with the same
6121         source location as the old one.
6122         (add_condition_to_string): Use join_c_conditions.
6123         (read_string): Use set_rtx_ptr_loc to record a filename and line
6124         number for the string.
6125         (read_rtx): Initialize the new variables above.
6126         * genattrtab.c (write_test_expr, write_attr_value): Use
6127         print_c_condition.
6128         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
6129         comment above the GCC_VERSION check.
6130         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
6131         Inline the definition of MAYBE_EVAL.
6132         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
6133         * genoutput.c (process_template): Likewise.
6134         * genpreds.c (write_predicate_subfunction): Likewise.
6135         (write_predicate_expr): Use print_c_condition.
6136         * genrecog.c (write_cond): Likewise.
6137         * gensupport.c (process_rtx): Use join_c_conditions to join the
6138         conditions of a define_insn_and_split.  Record a source location
6139         for the string after the "&&".
6140         (alter_test_for_insn): Use join_c_conditions.
6141
6142 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
6143
6144         Revert for now:
6145         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6146         PR tree-optimization/15784
6147         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6148         and -1 - A to ~A.
6149
6150 2005-03-04  Ben Elliston  <bje@au.ibm.com>
6151
6152         * gcc.c (option_map): Add --coverage.
6153         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
6154         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
6155         * config/darwin.h: Pass -lgcov for `coverage'.
6156         * doc/invoke.texi (Debugging Options): Document --coverage.
6157
6158 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6159
6160         * gcse.c (bypass_block): Use find_edge wherever possible.
6161
6162 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
6163
6164         Fix PR debug/20253
6165
6166         * c-opts.c (c_common_parse_file): Call start_source_file
6167         and end_source_file at the approriate times.
6168
6169         * dwarf2out.c (dwarf2out_finish): Don't auto-end
6170         the main file, it will be done for us now.
6171
6172 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6173
6174         * fold-const.c (fold_ternary): New.
6175         (fold): Call fold_ternary on ternary expressions.  Remove
6176         handling of ternary expressions.
6177
6178 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6179
6180         PR tree-optimization/15784
6181         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6182         and -1 - A to ~A.
6183
6184 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
6185
6186         * config/rs6000/predicates.md (branch_comparison_operator):
6187         Convert from C block to conditional format.
6188
6189 2005-03-03  Jan Hubicka  <jh@suse.cz>
6190
6191         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
6192         and non-constant public variables.
6193
6194 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
6195
6196         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
6197         with LABEL_EXPR.
6198
6199         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
6200         EDGE_I.
6201
6202         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
6203         calls to release_ssa_name and release_phi_node.
6204
6205         * fold-const.c (fold): Remove handling of unary expressions.
6206
6207         * fold-const.c (fold_unary): Avoid directly using the original
6208         expression t as much as possible.
6209
6210 2005-03-03  Roger Sayle  <roger@eyesopen.com>
6211             Andrew Pinski  <pinskia@physics.uc.edu>
6212
6213         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
6214         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
6215
6216 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
6217
6218         Describe special registers SRP and MOF as allocatable registers.
6219         * config/cris/cris.c (cris_md_asm_clobbers): New function.
6220         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
6221         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
6222         TARGET_HAS_MUL_INSNS.
6223         (cris_print_operand) <case 'd'>: New case.
6224         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
6225         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
6226         define.
6227         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
6228         (REG_ALLOC_ORDER): Update for MOF.
6229         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
6230         SPECIAL_REGS.
6231         (GENERAL_REGS): No longer a define of ALL_REGS.
6232         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
6233         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6234         Adjust accordingly.
6235         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
6236         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
6237         (SECONDARY_RELOAD_CLASS): Define.
6238         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
6239         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
6240         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
6241         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
6242         (REGISTER_MOVE_COST): Define.
6243         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
6244         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
6245         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
6246         (CRIS_MOF_REGNUM): New define_constants.
6247         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
6248         special registers.
6249         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
6250         New patterns.
6251         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
6252         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
6253         Adjust for MOF being properly described as a register.
6254         (indir_to_reg_split): Name this split.  Conditionalize on the
6255         destination register being a general register.
6256         (movei): Conditionalize on on operands 0 and 1 having the same
6257         register class.
6258
6259 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
6260
6261         PR target/20277
6262         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
6263         -mcpu to override any other explicitly given flags.
6264
6265 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
6266
6267         * recog.c (verify_changes, confirm_change_group): New functions,
6268         broken out of apply_change_group.
6269         (apply_change_group): Use them.
6270         * recog.h (verify_change, confirm_change_group): Declare.
6271         * rtl.h (redirect_jump_2): Declare.
6272         * jump.c (redirect_exp, invert_exp): Delete.
6273         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
6274         (redirect_jump_2): New function, broken out of redirect_jump.
6275         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
6276         (invert_jump): Use invert_jump_1 and redirect_jump_2.
6277         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
6278
6279 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
6280
6281         * varasm.c (named_section): Use xstrdup rather than doing it by
6282         hand.
6283
6284         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
6285
6286 2005-03-02  Devang Patel  <dpatel@apple.com>
6287
6288         Undo PR tree-optimization/18815 fix.
6289
6290 2005-03-02  Devang Patel  <dpatel@apple.com>
6291
6292         PR tree-optimization/18815
6293         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6294         loops with zero exit edges.
6295
6296 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6297
6298         * cfg.c (connect_src, connect_dest, disconnect_src,
6299         disconnct_dest): New.
6300         (unchecked_make_edge, remove_edge, redirect_edge_succ,
6301         redirect_edge_pred): Use the new functions.
6302
6303         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
6304         free_dominance_info only when needed.
6305
6306 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
6307
6308         PR target/20276
6309         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
6310         (reg_or_sub_cint64_operand): Same.
6311
6312 2005-03-02  Jeff Law  <law@redhat.com>
6313
6314         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
6315         CFG_ALTERED in the main DOM iteration loop.
6316
6317 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
6318
6319         PR c++/19916
6320         * varasm.c (initializer_constant_valid_p): Allow conversions
6321         between OFFSET_TYPEs.  Tidy.
6322
6323 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
6324
6325         * config/cris/cris.md ("return"): Remove epilogue delay list
6326         sanity check.
6327
6328 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
6329
6330         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
6331         for Thumb.
6332         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
6333
6334 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6335
6336         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
6337         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
6338         config/m68k/m68k.c, config/mips/mips.h,
6339         config/rs6000/rs6000-protos.h, doc/contrib.texi,
6340         doc/include/gcc-common.texi: Update copyright.
6341
6342         PR middle-end/18029 and PR middle-end/18030
6343         * expr.c (optimize_bitfield_assignment_op): Add a special case
6344         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
6345
6346         * fold-const.c (fold_unary): New.
6347         (fold): Call fold_unary on unary expressions.
6348
6349 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
6350
6351         * cgraph.h (struct cgraph_edge): Add prev_caller and
6352         prev_callee fields.
6353         (cgraph_node_remove_callees): Export.
6354         * cgraph.c (cgraph_create_edge): Initialize prev_caller
6355         and prev_callee.
6356         (cgraph_edge_remove_callee): New function.
6357         (cgraph_edge_remove_caller): Likewise.
6358         (cgraph_remove_edge): Use.
6359         (cgraph_redirect_edge_callee): Likewise.
6360         (cgraph_node_remove_callees): New function.
6361         (cgraph_node_remove_callers): Likewise.
6362         (cgraph_remove_node): Use.
6363         * tree-optimize.c (tree_rest_of_compilation): Use
6364         cgraph_node_remove_callees instead of manual loop.
6365         * cgraphunit.c (cgraph_finalize_function): Likewise.
6366         (cgraph_expand_function): Likewise.
6367         (cgraph_remove_unreachable_nodes): Likewise.
6368
6369 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
6370
6371         PR c/8927
6372         * c-tree.h (undeclared_variable, build_external_ref): Add extra
6373         argument.
6374         * c-decl.c (undeclared_variable): Take location as argument.
6375         * c-typeck.c (build_external_ref): Likewise.
6376         * c-parser.c (c_parser_postfix_expression): Pass location of
6377         identifier to build_external_ref.
6378
6379 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
6380
6381         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
6382         CCEQ mode for branch_positive_comparison_operator test.
6383         * config/rs6000/predicates (branch_comparison_operator): Revert to
6384         define_predicate.
6385         (scc_comparison_operator): Same.
6386         (branch_positive_comparison_operator): Same.
6387
6388 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
6389
6390         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
6391         (cris_delay_slots_for_epilogue): Remove.
6392         (save_last): Move into cris_target_asm_function_epilogue.
6393         (cris_target_asm_function_epilogue): Remove tests for file being
6394         NULL.
6395         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
6396         (cris_delay_slots_for_epilogue): Remove prototypes.
6397         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
6398         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
6399
6400 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
6401
6402         * config/rs6000/predicates.md (branch_comparison_operator): Change
6403         to define_special_predicate.
6404         (scc_comparison_operator): Same.
6405         (branch_positive_comparison_operator): Same.
6406
6407 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
6408
6409         * Makefile.in (tree-ssa-sink.o): New.
6410         (OBJS-common): Add tree-ssa-sink.o.
6411         * common.opt: Add -ftree-sink
6412         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
6413         * timevar.def (TV_TREE_SINK): new timevar.
6414         * tree-flow.h (is_hidden_global_store): Prototype.
6415         * tree-optimize.c (init_tree_optimization_passes): Add
6416         pass_sink_code.
6417         * tree-pass.h (pass_sink_code): New.
6418         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
6419         for non-obvious global store store to is_hidden_global_store, and
6420         call that new function.
6421         * tree-ssa-sink.c: New file.
6422         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
6423         * doc/passes.texi: Document forward store motion.
6424         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
6425         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
6426         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
6427         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
6428
6429 2005-03-01  Per Bothner  <per@bothner.com>
6430
6431         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
6432         and we have a non-zero column-number, add it to the message.
6433         Also factor out the diagnostic_kind_text.
6434
6435 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
6436
6437         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
6438         flow_loop_pre_header_scan, flow_loop_pre_header_find,
6439         flow_loop_scan): Removed.
6440         (flow_loop_dump): Do not dump removed fields.
6441         (flow_loop_free): Do not free removed fields.
6442         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
6443         (loop_exit_edge_p): New function.
6444         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
6445         num_pre_header_edges, entry_edges, num_entries, exit_edges,
6446         num_exits, exits_doms.
6447         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
6448         LOOP_EDGES, LOOP_ALL): Removed.
6449         (flow_loop_scan): Declaration removed.
6450         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
6451         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
6452         flow_loops_find.
6453         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
6454         (if_convert): Call flow_loops_find and flow_loops_free
6455         when calling mark_loop_exit_edges.
6456         * cfgloopanal.c (mark_loop_exit_edges): Moved from
6457         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
6458         free_dominance_info calls.
6459         * loop-init.c (flow_loops_find): Ditto.
6460         * passes.c (rest_of_handle_branch_prob): Ditto.
6461         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
6462         * loop-unroll.c (analyze_insns_in_loop): Do not use
6463         EDGE_LOOP_EXIT.
6464         * predict.c (predict_loops): Do not call flow_loop_scan.
6465         Use get_loop_exit_edges.
6466         (tree_estimate_probability): Do not pass flags to flow_loops_find.
6467         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
6468         Do not use EDGE_LOOP_EXIT.
6469         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
6470         to bb_with_exit_edge_p.
6471         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
6472         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
6473         to bb_with_exit_edge_p.
6474         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
6475         EDGE_LOOP_EXIT.
6476         * tree-loop-linear.c (linear_transform_loops): Do not call
6477         flow_loop_scan.  Use loop->single_exit.
6478         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
6479         (vect_analyze_loop_form): Do not call flow_loop_scan.
6480         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
6481         loop->single_exit.
6482         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
6483         loop->single_exit.
6484         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
6485         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
6486         slpeel_tree_duplicate_loop_to_edge_cfg,
6487         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
6488         Use loop_preheader_edge and loop->single_exit.  Do not call
6489         flow_loop_scan.
6490
6491 2005-03-01  Nick Clifton  <nickc@redhat.com>
6492
6493         * config/arm/arm.c (thumb_find_work_register): Check all of the
6494         argument registers to see if they are free, and a couple of
6495         special cases where the last argument register but can be proved
6496         to be available during the function's prologue.
6497         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
6498         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
6499         thumb_unexpanded_epilogue): Use unsigned long as the type for the
6500         register bit-mask.
6501         (thumb_compute_save_reg_mask): Likewise.  Also use
6502         thumb_find_work_register() to ensure that there is agreement about
6503         which work register is going to be used in the prologue.
6504         (thumb_output_function_prologue): Use unsigned long as the type
6505         for the register bit-mask.  Also delay pushing the link register if
6506         other high registers are going to be pushed.
6507         (thumb_compute_save_reg_mask, emit_multi_reg_push,
6508         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
6509         redundant prototypes.
6510
6511 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
6512
6513         PR target/19819
6514         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
6515         and after reload in REG+REG indexed addresses without REG_POINTER
6516         set in the base and not set in the index.
6517
6518 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
6519
6520         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
6521         Don't undefine here.
6522         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
6523         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
6524         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
6525         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
6526         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
6527         Delete.
6528         * config.gcc (sh*-*-linux*): Use config/linux.h.
6529
6530 2005-02-28  Dale Johannesen  <dalej@apple.com>
6531             Stan Shebs  <shebs@apple.com>
6532
6533         Rewrite of 64-bit Darwin structure-by-value pass/return.
6534         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
6535         intoffset, use_stack, named.
6536         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
6537         (rs6000_darwin64_record_arg_advance_flush):  New.
6538         (rs6000_darwin64_record_arg_advance_recurse): New.
6539         (rs6000_darwin64_record_arg_flush):  New.
6540         (rs6000_darwin64_record_arg_recurse):  New.
6541         (rs6000_darwin64_record_arg):  New.
6542         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
6543         (function_arg_boundary):  Handle 128-bit aligned structs.
6544         (function_arg_advance):  Rewrite darwin64 struct handling.
6545         (function_arg):  Call rs6000_darwin64_record_arg.
6546         (function_arg_partial_nregs):  Handle darwin64 structs.
6547         (rs6000_darwin64_function_value):  Remove.
6548         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
6549
6550 2005-02-28  Roger Sayle  <roger@eyesopen.com>
6551
6552         PR tree-optimization/20216
6553         * tree-chrec.c (tree_fold_factorial): Delete.
6554         (tree_fold_binomial): Change argument list to take a return type
6555         and change the type of K to unsigned int.  Rewrite to avoid explicit
6556         evaluation of factorials, and (recursively) calling fold to perform
6557         compile-time arithmetic.  Return NULL on (internal) overflow.
6558         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
6559         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
6560         if any intermediate calculation overflows.
6561         (chrec_apply): Update call to chrec_evaluate.
6562
6563 2005-02-28  James E Wilson  <wilson@specifixinc.com>
6564
6565         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
6566
6567 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
6568
6569         PR c/20245
6570         * c-parser.c (c_parser_compound_statement): Return error_mark_node
6571         instead of NULL_TREE on error.
6572
6573 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
6574
6575         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
6576         (EASY_VECTOR_15_ADD_SELF): Remove.
6577         (num_insns_constant_wide): Not static.
6578         (validate_condition_mode): Not static.
6579         (toc_relative_expr_p): Not static.
6580         (legitimate_indirect_address_p): Not static.
6581         (macho_lo_sum_memory_operand): Not static.
6582         (invalid_e500_subreg): Not static.
6583         (easy_vector_same): Not static.
6584         (easy_vector_splat_const): Not static.
6585         (RS6000_SYMBOL_REF_TLS_P): Remove.
6586         (any_operand): Delete.
6587         (any_parallel_operand): Delete.
6588         (count_register_operand): Delete.
6589         (altivec_register_operand): Delete.
6590         (xer_operand): Delete.
6591         (s8bit_cint_operand): Delete.
6592         (short_cint_operand): Delete.
6593         (u_short_cint_operand): Delete.
6594         (non_short_cint_operand): Delete.
6595         (exact_log2_cint_operand): Delete.
6596         (gpc_reg_operand): Delete.
6597         (cc_reg_operand): Delete.
6598         (cc_reg_not_cr0_operand): Delete.
6599         (reg_or_short_operand): Delete.
6600         (reg_or_neg_short_operand): Delete.
6601         (reg_or_aligned_short_operand): Delete.
6602         (reg_or_u_short_operand): Delete.
6603         (reg_or_cint_operand): Delete.
6604         (reg_or_arith_cint_operand): Delete.
6605         (reg_or_add_cint64_operand): Delete.
6606         (reg_or_sub_cint64_operand): Delete.
6607         (reg_or_logical_cint_operand): Delete.
6608         (got_operand): Delete.
6609         (got_no_const_operand): Delete.
6610         (easy_fp_constant): Delete.
6611         (easy_vector_constant): Delete.
6612         (easy_vector_constant_add_self): Delete.
6613         (zero_constant): Delete.
6614         (zero_fp_constant): Delete.
6615         (volatile_mem_operand): Delete.
6616         (offsettable_mem_operand): Delete.
6617         (mem_or_easy_const_operand): Delete.
6618         (add_operand): Delete.
6619         (non_add_cint_operand): Delete.
6620         (logical_operand): Delete.
6621         (non_logical_cint_operand): Delete.
6622         (mask_operand): Delete.
6623         (mask_operand_wrap): Delete.
6624         (mask64_operand): Delete.
6625         (mask64_2_operand): Delete.
6626         (and64_operand): Delete.
6627         (and64_2_operand): Delete.
6628         (and_operand): Delete.
6629         (reg_or_mem_operand): Delete.
6630         (lwa_operand): Delete.
6631         (symbol_ref_operand): Delete.
6632         (call_operand): Delete.
6633         (current_file_function_operand): Delete.
6634         (input_operand): Delete.
6635         (rs6000_nonimmediate_operand): Delete.
6636         (rs6000_tls_symbol_ref): Delete.
6637         (save_world_operation): Delete.
6638         (restore_world_operation): Delete.
6639         (load_multiple_operation): Delete.
6640         (store_multiple_operation): Delete.
6641         (vrsave_operation): Delete.
6642         (mfcr_operation): Delete.
6643         (mtcrf_operation): Delete.
6644         (lmw_operation): Delete.
6645         (stmw_operation): Delete.
6646         (branch_comparison_operator): Delete.
6647         (branch_positive_comparison_operator): Delete.
6648         (scc_comparison_operator): Delete.
6649         (trap_comparison_operator): Delete.
6650         (boolean_operator): Delete.
6651         (boolean_or_operator): Delete.
6652         (min_max_operator): Delete.
6653         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
6654         (EASY_VECTOR_15): Moved to here.
6655         (EASY_VECTOR_15_ADD_SELF): Move to here.
6656         (PREDICATE_CODES): Delete.
6657         * config/rs6000/rs6000-protos.h: Delete predicate functions.
6658         Declare functions no longer static.
6659         * config/rs6000/predicates.md: New.
6660         * config/rs6000/rs6000.md: Include predicates.md
6661
6662 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
6663
6664         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
6665         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
6666         REG_ALWAYS_RETURN.
6667         * cfgrtl.c (need_fake_edge_p): Likewise.
6668         * combine.c (distribute_notes): Likewise.
6669         * emit-rtl.c (try_split): Likewise.
6670         * recog.c (peephole2_opimize): Likewise.
6671         * reg-notes.def (ALWAYS_RETURN): Remove.
6672         * rtl.h (LCT_ALWAYS_RETURN): Remove.
6673         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
6674         * tree.h (ECF_ALWAYS_RETURN): Remove.
6675
6676 2005-02-28  Roger Sayle  <roger@eyesopen.com>
6677
6678         PR middle-end/19874
6679         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
6680         between different machine modes is never a "useless" conversion.
6681
6682 2005-02-28  Geert Bosch  <bosch@gnat.com>
6683
6684         PR ada/15977
6685         * doc/contrib.texi: List contributors for Ada front end
6686
6687 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
6688
6689         * simplify-rtx.c (simplify_unary_operation_1,
6690         simplify_const_unary_operation): New, extracted from...
6691         (simplify_unary_operation): ... this one.
6692         (simplify_binary_operation_1,
6693         simplify_const_binary_operation): New, extracted from...
6694         (simplify_binary_operation): ... this one.
6695         * rtl.h (simplify_const_unary_operation,
6696         simplify_const_binary_operation): Add prototypes.
6697
6698 2005-02-28  Julian Brown  <julian@codesourcery.com>
6699
6700         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
6701         building libjava and caused PR regression/20228.
6702
6703 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
6704
6705         PR bootstrap/17383
6706         * Makefile.in (host_subdir): New.
6707         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
6708         * configure: Regenerate.
6709
6710 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
6711
6712         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
6713         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
6714         installation directory first.
6715
6716 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
6717
6718         PR target/19065.
6719         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
6720         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
6721         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
6722         * config/cris/cris.md: Tweak comments referring to Q.
6723         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
6724         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
6725         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
6726         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
6727         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
6728         Insert spaces in constraints to align alternatives vertically for
6729         readability.
6730         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
6731         operand 1: "M".
6732
6733 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6734
6735         PR rtl-optimization/17728
6736         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
6737         operand 0 from general_operand to move_dest_operand.
6738
6739 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6740
6741         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
6742         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
6743         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
6744         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
6745
6746 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
6747
6748         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
6749         * configure: Regenerate.
6750         * libada-mk.in: Remove CC; rename
6751         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
6752
6753 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
6754
6755         PR tree-opt/20188
6756         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
6757         for the lhs, also walk over the tree.  Likewise for rhs.
6758
6759 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
6760
6761         * tree-ssa-dom.c (simple_iv_increment_p): New function.
6762         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
6763         Do not propagate value of iv before increment over the increment.
6764
6765 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
6766
6767         * c-parser.c: New file.
6768         * c-parse.in: Remove.
6769         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
6770         Remove.
6771         (c-parser.o): Add dependencies.
6772         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
6773         maintainer-clean, TAGS): Update.
6774         * c-config-lang.in (gtfiles): Update.
6775         * gengtype-lex.l: Don't handle "@@".
6776         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
6777         objc_build_synchronized, objc_begin_try_stmt,
6778         objc_begin_catch_clause, objc_finish_catch_clause,
6779         objc_build_finally_clause, objc_finish_try_stmt): New.
6780         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
6781         type_seen_p.
6782         (c_parse_init): Update comment.
6783         * c-decl.c (c_init_decl_processing): Update comment.
6784         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
6785         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
6786         new c_declspecs members.
6787
6788 2005-02-25  Julian Brown  <julian@codesourcery.com>
6789
6790         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
6791         from being used for symbols with vague linkage when
6792         HAVE_GAS_COMDAT_GROUP is true.
6793
6794 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
6795
6796         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
6797
6798 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
6799
6800         PR target/19930
6801         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
6802         (LIBGCC2_HAS_DF_MODE): New.
6803         (LIBGCC2_HAS_XF_MODE): New.
6804         (LIBGCC2_HAS_TF_MODE): New.
6805         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
6806         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
6807         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
6808         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
6809         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
6810         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
6811         and add _fixtfdi, _fixunstfdi, _floatditf
6812         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
6813         L_fixunstfdi, L_floatditf.
6814         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
6815         (LIBGCC2_HAS_TF_MODE): Define.
6816
6817 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
6818
6819         PR tree-optimization/20204
6820         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
6821         REWRITE_THIS_STMT markers on PHI nodes.
6822         (rewrite_initialize_block): Likewise.
6823
6824 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
6825
6826         * version.c (version_string): Update to 4.1.
6827
6828 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
6829
6830         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
6831         Clarify that the alternative way doesn't work in GNU C++.
6832
6833 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6834
6835         PR tree-optimization/19937
6836         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
6837         to the type of the induction variable.
6838
6839 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
6840
6841         PR rtl-optimization/20117
6842         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
6843         the block including noncopyable insn.
6844
6845 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
6846
6847         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
6848         calls to find_reg_note.
6849
6850 2005-02-24  Richard Henderson  <rth@redhat.com>
6851
6852         PR tree-opt/20127
6853         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
6854         the type.
6855
6856 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
6857
6858         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
6859         vector types if to use base reg for misaligned non-word ld/std.
6860
6861 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
6862
6863         PR target/14619
6864         * config/cris/cris.c (cris_target_asm_function_prologue): Create
6865         dwarf2 label manually and put it after, not before the prologue.
6866
6867 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
6868
6869         PR target/19019
6870         * reload.c (operands_match_p): Only increment register number for
6871         SCALAR_INT_MODE_P modes in multiple hard registers.
6872
6873         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
6874         Fix formatting.
6875
6876 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6877
6878         * ChangeLog.5: Fix log message typo(s).
6879         * ChangeLog.7: Likewise.
6880         * ChangeLog.tree-ssa: Likewise.
6881         * cfgexpand.c: Fix comment typo(s).
6882         * conflict.c: Likewise.
6883         * defaults.h: Likewise.
6884         * dwarf2out.c: Likewise.
6885         * gcse.c: Likewise.
6886         * ggc-page.c: Likewise.
6887         * tree-eh.c: Likewise.
6888         * tree-ssa-dom.c: Likewise.
6889
6890 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
6891
6892         PR target/19019
6893         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
6894         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
6895         if SHARED is defined.
6896
6897         PR target/20196
6898         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
6899         allow splitting only if operands 0 and 3 don't overlap.
6900
6901 2005-02-24  Richard Henderson  <rth@redhat.com>
6902
6903         PR middle-end/19953
6904         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
6905         (fold_builtin_1): Call them.
6906         * fold-const.c (fold_complex_mult_parts): Split out from ...
6907         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
6908         (fold_complex_div_parts, fold_complex_div): New.
6909         (fold): Use them.
6910         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
6911
6912 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6913
6914         * tree-ssa-ccp.c (visit_assignment): Verify that result of
6915         VIEW_CONVERT_EXPR is_gimple_min_invariant.
6916
6917         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
6918         (print_node): Likewise.
6919         Print TYPE_SIZES_GIMPLIFIED.
6920
6921 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
6922
6923         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
6924         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
6925         operands as commutative in constraints.
6926
6927 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
6928
6929         * tree-into-ssa.c: Re-organize internal functions.
6930
6931 2005-02-24  Richard Henderson  <rth@redhat.com>
6932
6933         PR middle-end/18902
6934         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
6935         for c99.
6936         * common.opt (fcx-limited-range): New.
6937         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
6938         * toplev.c (flag_complex_method): Initialize to 1.
6939         (process_options): Set flag_complex_method to 0 if
6940         flag_cx_limited_range.
6941         * doc/invoke.texi (-fcx-limited-range): New.
6942
6943 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
6944
6945         * cse.c (delete_trivially_dead_insns): Speed up by using
6946         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
6947         prev_real_insn.
6948
6949 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
6950
6951         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
6952         functions when -mid-shared-library is being used.
6953
6954 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
6955
6956         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
6957         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
6958         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
6959         * system.h: Poison LINK_LIBGCC_SPECIAL.
6960
6961 2005-02-23  James E Wilson  <wilson@specifixinc.com>
6962
6963         * gengtype.c (note_insn_name): Make 1 element larger.
6964
6965 2005-02-23  Roger Sayle  <roger@eyesopen.com>
6966
6967         PR target/20018
6968         PR rtl-optimization/20097
6969         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
6970         BImode SUBREGs of SImode registers which confuse the ia64 backend.
6971
6972 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
6973
6974         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
6975         * t-aix52 (SHLIB_INSTALL): Same.
6976
6977 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
6978
6979         * genpreds.c: Update copyright.
6980
6981 2005-02-23  Michael Beach  <michaelb@ieee.org>
6982
6983         PR target/20159
6984         * config/sparc/t-elf (startup files): Assemble with CPP.
6985
6986 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
6987
6988         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
6989         (write_predicate_expr): Likewise.
6990
6991 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
6992
6993         PR tree-optimization/20100
6994         PR tree-optimization/20115
6995         * tree-optimize.c (init_tree_optimization_passes): Remove
6996         pass_maybe_create_global_var.
6997         * tree-pass.h (pass_maybe_create_global_var): Remove.
6998         * tree-ssa-alias.c (aliases_computed_p): Declare.
6999         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
7000         (count_calls_and_maybe_create_global_var): Remove.
7001         (pass_maybe_create_global_var): Remove.
7002         (init_alias_info): Do not declare aliases_computed_p.
7003         (maybe_create_global_var): If the function contains no
7004         call-clobbered variables and a mix of pure/const and regular
7005         function calls, create .GLOBAL_VAR.
7006         Mark all call-clobbered variables for renaming.
7007         (merge_pointed_to_info): Update comment.
7008         (add_pointed_to_var): Likewise.
7009         (is_escape_site): Likewise.
7010         Accept struct alias_info * instead of size_t *.
7011         Update all users.
7012         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
7013         as necessary.
7014         * tree-ssa-operands.c (get_call_expr_operands): If
7015         ALIASES_COMPUTED_P is false, do not add call-clobbering
7016         operands.
7017         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
7018         (delete_tree_ssa): Likewise.
7019
7020 2005-02-22  James E Wilson  <wilson@specifixinc.com>
7021
7022         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
7023         (do_compile): Do call it here.
7024
7025 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7026
7027         PR rtl-optimization/20017.
7028         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
7029         rest_of_handle_cse2, rest_of_handle_gcse): Call
7030         delete_dead_jumptables immediately before calling cleanup_cfg.
7031
7032 2005-02-22  Devang Patel  <dpatel@apple.com>
7033
7034         PR 19952
7035         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
7036         all labels
7037
7038 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
7039
7040         * config/rs6000/aix.h (WINT_TYPE): Define.
7041
7042 2005-02-22  Stan Shebs  <shebs@apple.com>
7043
7044         * config/rs6000/rs6000.c (rs6000_override_options): Default to
7045         natural alignment for 64-bit Darwin.
7046         (rs6000_parse_alignment_option): Warn about uses of -malign-power
7047         on 64-bit Darwin.
7048         * doc/invoke.texi: Document this.
7049
7050 2005-02-22  DJ Delorie  <dj@redhat.com>
7051
7052         * c-common.c (c_common_type_for_mode): Pass the mode's precision
7053         to make_[un]signed_type, not the mode itself.
7054
7055 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7056
7057         * cfg.c (cached_make_edge): Call make_edge if edge cache is
7058         not available.  Use tail calls wherever possible.
7059         (make_edge): Call unchecked_make_edge to create an edge.
7060
7061         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
7062         (coalesce_ssa_name): Don't check for
7063         SSANORM_USE_COALESCE_LIST.
7064         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
7065
7066 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7067
7068         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
7069         (rewrite_into_ssa): ... here.
7070
7071 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
7072
7073         PR tree-optimization/19786
7074         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
7075         tag to another's may-alias bitmap when adding to the other's list.
7076
7077 2005-02-21  DJ Delorie  <dj@redhat.com>
7078
7079         * tree-ssa-loop-ivopts.c (computation_cost): Start register
7080         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
7081         registers in unsupported ways.
7082         * expmed.c (init_expmed): Likewise.
7083
7084 2005-02-21  Stan Cox  <scox@redhat.com>
7085
7086         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
7087
7088 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7089
7090         * tree-cfg.c (fold_cond_expr_cond): New.
7091         (make_edges): Call fold_cond_expr_cond.
7092         (find_taken_edge): Accept nothing but INTEGER_CST.
7093         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
7094         and 1.
7095         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
7096
7097         * flow.c (delete_dead_jumptables): Speed up by scanning insns
7098         that do not belong to any basic block.
7099
7100 2005-02-21  Jeff Law  <law@redhat.com>
7101
7102         * cfganal.c (find_unreachable_blocks): Manually CSE load of
7103         e->dest.
7104
7105 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7106
7107         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
7108         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
7109         Adjust their definitions.
7110         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
7111         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
7112
7113         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
7114         genautomata.c, langhooks.c, langhooks.h, system.h,
7115         config/arm/lib1funcs.asm: Update copyright.
7116
7117 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
7118
7119         * dbxout.c (dbxout_function_end): Emit Lscope label always.
7120
7121 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
7122
7123         PR bootstrap/13770
7124         * doc/install.texi: Document --with-gc.
7125
7126 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
7127
7128         * simplify-rtx.c (simplify_unary_operation): Add a missing
7129         "break" statement.
7130
7131 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7132
7133         PR tree-optimization/18663
7134         * tree-ssa-dom.c (extract_range_from_cond): Return 0
7135         if the type has variable bounds.
7136
7137 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
7138
7139         * gcse.c: Remove an obsolete comment.
7140
7141         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
7142
7143 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
7144
7145         * doc/extend.texi (Function Attributes) <Attribute const>: The
7146         attribute "pure" is below this text, not above.
7147
7148 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7149
7150         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
7151         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
7152         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
7153
7154 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
7155
7156         PR 18785
7157         * langhooks.h (struct lang_hooks): Add to_target_charset.
7158         * langhooks.c (lhd_to_target_charset): New function.
7159         * langhooks-def.h: Declare lhd_to_target_charset.
7160         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
7161         (LANG_HOOKS_INITIALIZER): Update.
7162         * c-common.c (c_common_to_target_charset): New function.
7163         * c-common.h: Declare it.
7164         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
7165         c_common_to_target_charset.
7166
7167         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
7168         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
7169         Delete definitions.
7170         * system.h: Poison them.
7171         * doc/tm.texi: Don't discuss them.
7172         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
7173         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
7174         (pp_c_char): Do not attempt to generate letter escapes for
7175         newline, tab, etc.
7176         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
7177         * config/mips/mips.c (mips_output_ascii): Likewise.
7178
7179 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
7180
7181         PR tree-optimization/19951
7182         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
7183         is abnormal.
7184
7185 2005-02-19  Steven Bosscher  <stevenb@suse.de>
7186
7187         PR middle-end/19698
7188         * function.h (struct function): New field `max_loop_depth'.
7189         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
7190         (flow_loops_find): Reset the max loop depth count before finding loops.
7191         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
7192         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
7193         (calculate_global_regs_live): Make sure the loop will terminate
7194         when the initial sets are not empty.
7195
7196 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
7197
7198         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
7199         object inside.
7200         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
7201
7202 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
7203
7204         PR other/19525
7205         * doc/invoke.texi: Remove documentation of %M spec.
7206         * gcc.c: Likewise.
7207         (init_spec): Remove %M suffix from -lgcc_s.
7208         (do_spec_1): Remove 'M' case.
7209         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
7210         to put shared libraries in the multilib directory.  Remove the
7211         shlib_so_soname substitution variable.  Don't add a multilib encoding
7212         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
7213         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
7214         SHLIB_INSTALL as well as SHLIB_LINK.
7215         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
7216         (SHLIB_NAME): Delete.
7217         (SHLIB_DIR): New macro.
7218         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
7219         (SHLIB_INSTALL): Adjust accordingly.
7220         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
7221         * config/t-slibgcc-sld: Likewise.
7222         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
7223         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
7224         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
7225         in $(SHLIB_DIR).
7226         (SHLIBUNWIND_INSTALL): Adjust accordingly.
7227         * config/i386/t-nwld (SHLIB_SONAME): Delete.
7228         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
7229         Use @shlib_base_name@ instead of @shlib_so_name@.
7230         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
7231         and @shlib_base_name@.so in @multilib_dir@.
7232         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
7233         to the install path.
7234         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
7235         (SHLIB_LINK): Remove previous workaround.
7236         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
7237         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
7238         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
7239         the install path.
7240         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
7241         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
7242         (SHLIB_INSTALL): Adjust accordingly.
7243         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
7244         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
7245         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
7246         config/t-slibgcc-elf-ver.
7247
7248 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
7249             Jakub Jelinek  <jakub@redhat.com>
7250
7251         PR tree-optimization/19828
7252         * tree-ssa-loop-im.c: Add a TODO comment.
7253         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
7254         without side-effects.
7255
7256 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7257
7258         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
7259         call fold_convert.
7260
7261 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
7262
7263         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
7264         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
7265         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
7266         functions.
7267         (ia64_reorg): Delete fixup_errata call.
7268         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
7269         (TARGET_SWITCHES): Delete -mb-step entry.
7270
7271 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
7272
7273         PR c/20043
7274         * c-typeck.c (composite_type): Handle quals in transparent unions.
7275         (type_lists_compatible_p): Likewise.
7276
7277 2005-02-18  Stan Shebs  <shebs@apple.com>
7278
7279         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
7280         expressions in the .literal8 section.
7281
7282 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
7283
7284         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
7285
7286 2005-02-18  Roger Sayle  <roger@eyesopen.com>
7287
7288         * fold-const.c (constant_boolean_node): Always create values of the
7289         specified type, don't bother calling truthvalue_conversion.
7290
7291 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7292
7293         * except.c (output_function_exception_table): Call
7294         assemble_external_libcall (eh_personality_libfunc).
7295
7296 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7297
7298         PR target/19886
7299         * config/ia64/ia64.h (struct machine_function): Add state_num.
7300         * config/ia64/ia64.c (process_epilogue,
7301         process_for_unwind_directive): Use new unwind state numbers each
7302         time rather than state 1.
7303
7304 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
7305
7306         PR target/20054
7307         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
7308         before the "*llgt_didi" pattern.
7309
7310 2005-02-18  Jason Merrill  <jason@redhat.com>
7311
7312         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
7313
7314 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
7315
7316         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
7317         (div0): Use it in place of ARM_FUNC_ALIAS.
7318         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
7319
7320 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
7321
7322         PR middle-end/20030
7323         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
7324         access, the lower bound of the array type if it exists.
7325
7326 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
7327
7328         PR c++/20008
7329         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
7330         cases that are out-of-range for the index type.
7331
7332 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7333
7334         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
7335         (estimate_case_costs): Don't call convert.
7336         * expmed.c (expand_shift): Likewise.
7337         (make_tree): Call fold_convert instead of convert.
7338
7339 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7340
7341         PR c++/19813
7342         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
7343         that ref to be marked MEM_READONLY_P doesn't have base that needs
7344         constructing.
7345
7346 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7347
7348         * genautomata.c (output_get_cpu_unit_code_func,
7349         output_cpu_unit_reservation_p): Don't generate old-style function
7350         definitions.
7351
7352 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7353
7354         PR c++/20023
7355         PR tree-optimization/20009
7356         * convert.c (convert_to_integer): Revert 2005-02-16 change.
7357
7358         PR tree-optimization/18947
7359         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
7360         inline, remove all nodes that are inlined into the extern inline
7361         being redefined.
7362
7363 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
7364
7365         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
7366         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
7367         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
7368         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
7369         Update copyright.
7370
7371 2005-02-17  Roger Sayle  <roger@eyesopen.com>
7372
7373         PR tree-optimization/19917
7374         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
7375         to be potentially trapping.
7376
7377 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
7378
7379         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
7380
7381 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7382
7383         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
7384         tem becomes a local variable which is set to the value of the
7385         back end defined INITIAL_FRAME_ADDRESS macro.
7386         (expand_builtin_frame_address): Omit the base parameter to
7387         expand_builtin_return_addr.
7388         (expand_builtin_profile_func): Likewise.
7389         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
7390         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
7391         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
7392
7393 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
7394
7395         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
7396         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
7397         * config/frv/frv.c (frv_function_epilogue): Likewise.
7398
7399 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
7400
7401         * lambda-code (perfect_nestify): Remove mark/unmark
7402         for rewriting hack.
7403         * tree-loop-linear.c (linear_transform_loops): Add
7404         rewrite_into_ssa call so that ssa is correct for
7405         rewriting into loop closed.
7406
7407 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
7408
7409         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
7410         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
7411         BITMAP_FREE.
7412         * bt-load.c (btr_def_live_range, combine_btr_defs,
7413         migrate_btr_def, migrate_btr_defs): Likewise.
7414         * cfgcleanup.c (thread_jump): Likewise.
7415         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
7416         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
7417         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
7418         df_rd_local_compute, df_reg_info_compute): Likewise.
7419         * dominance.c (init_dom_info, free_dom_info): Likewise.
7420         * flow.c (init_propagate_block_info,
7421         free_propagate_block_info): Likewise.
7422         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
7423         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
7424         modify_reg_pav): Likewise.
7425         * loop-invariant.c (find_defs, find_invariant_insn,
7426         find_invariants, free_inv_motion_data): Likewise.
7427         * predict.c (tree_predict_by_opcode,
7428         estimate_bb_frequencies): Likewise.
7429         * stmt.c (expand_case): Likewise.
7430         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
7431         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
7432         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
7433         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
7434         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
7435         rewrite_ssa_into_ssa): Likewise.
7436         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7437         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
7438         analyze_edges_for_bb, perform_edge_inserts): Likewise.
7439         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
7440         * tree-sra.c (tree_sra): Likewise.
7441         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
7442         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
7443         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
7444         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
7445         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
7446         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
7447         Likewise.
7448         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
7449         calculate_live_on_entry, calculate_live_on_exit,
7450         build_tree_conflict_graph): Likewise.
7451         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
7452         record_important_candidates, set_use_iv_cost, find_depends,
7453         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
7454         tree_ssa_iv_optimize_finalize): Likewise.
7455         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
7456         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
7457         tree_duplicate_loop_to_header_edge): Likewise.
7458         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
7459         * tree-ssa.c (verify_flow_insensitive_alias_info,
7460         verify_name_tags, verify_ssa, init_tree_ssa,
7461         delete_tree_ssa): Likewise.
7462         * tree-ssanames.c (marked_ssa_names, init_ssanames,
7463         fini_ssanames): Likewise.
7464         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
7465
7466 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
7467
7468         * config/rs6000/t-rtems: Completely reworked.
7469
7470 2005-02-17  Ira Rosen  <irar@il.ibm.com>
7471
7472         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
7473
7474 2005-02-17  Ira Rosen  <irar@il.ibm.com>
7475
7476         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
7477         POINTER_TYPE_P when checking that type is a pointer.
7478         (vect_get_memtag): Remove.
7479         (vect_address_analysis): Use POINTER_TYPE_P. Call
7480         vect_object_analysis with dummy parameter for memtag.
7481         (vect_object_analysis): Extract memtag (functionality that
7482         used to be in vect_get_memtag and moved here). Fix printings.
7483         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
7484         with correct parameters. Remove call to vect_get_memtag.
7485
7486 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
7487
7488         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
7489         (tree-vectorizer.o): Added missing dependencies.
7490
7491         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
7492         decleration.
7493         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
7494         declaration in tree-vectorizer.c, now has an extern declaration in
7495         tree-vectorizer.h).
7496         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7497         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
7498         get_vectype_for_scalar_type, vect_is_simple_use,
7499         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
7500         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
7501         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
7502         vectorizable_store, vectorizable_operation, vectorizable_assignment,
7503         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
7504         find_loop_location): Likewise.
7505
7506         * tree-vectorizer.c (langhooks.h): #include removed.
7507         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
7508         moved to tree-vectorized.h.
7509         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7510         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
7511         get_vectype_for_scalar_type, vect_is_simple_use,
7512         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
7513         vect_supportable_dr_alignment, new_loop_vec_info,
7514         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
7515         vect_set_verbosity_level, find_loop_location): Likewise.
7516
7517         (vect_analyze_loop): Function externalized. Declaration moved to
7518         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
7519         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
7520         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
7521         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
7522         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
7523         vect_enhance_data_refs_alignment, vect_analyze_operations,
7524         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
7525         vect_stmt_relevant_p, vect_get_loop_niters,
7526         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
7527         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
7528         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
7529         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
7530         vect_get_memtag): Likewise.
7531
7532         (vectorizable_load): Function externalized. Declaration moved to
7533         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
7534         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
7535         vect_transform_loop): Likewise.
7536         (vect_transform_stmt): Moved to tree-vect-transform.c.
7537         (vect_align_data_ref, vect_create_destination_var,
7538         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
7539         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
7540         vect_get_vec_def_for_operand, vect_init_vector,
7541         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
7542         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
7543         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
7544         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
7545         vect_do_peeling_for_loop_bound): Likewise.
7546
7547         * tree-vect-analyze.c: New file.
7548         * tree-vect-transform.c: New file.
7549
7550 2005-02-17  Jason Merrill  <jason@redhat.com>
7551
7552         PR mudflap/19319, c++/19317
7553         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
7554         slot explicit.
7555
7556 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
7557
7558         * doc/install.texi (Specific): Update link for Darwin-specific
7559         tool binary site.
7560
7561 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
7562
7563         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
7564         constant_boolean_node.
7565
7566 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
7567
7568         PR target/19019
7569         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
7570         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
7571
7572 2005-02-16  Richard Henderson  <rth@redhat.com>
7573
7574         PR 19920
7575         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
7576         with W_TYPE_SIZE.
7577         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
7578         replace uses with Wtype_MAXp1_F.
7579         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
7580         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
7581         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
7582         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
7583         and HAVE_TFMODE as appropriate.
7584         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
7585         (__floatdisf): Likewise.
7586         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
7587         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
7588         (Wtype_MAXp1_F): New.
7589         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
7590         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
7591
7592 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
7593
7594         * PR target/19162
7595         * arm.c (arm_apply_result_size): New function.
7596         * arm.h (APPLY_RESULT_SIZE): Define.
7597         * arm-protos.h (arm_apply_result_size): Add prototype.
7598         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
7599         (movxf): New expand.
7600         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
7601         (call_value_symbol): Remove predicate for operand 0.
7602         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
7603         (untyped_call): Rework to correclty return values for any type.
7604         (untyped_return): New expand.
7605         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
7606
7607 2005-02-16  Stan Shebs  <shebs@apple.com>
7608
7609         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
7610         * config/rs6000/t-darwin8: New, for 64-bit multilib.
7611
7612 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
7613
7614         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
7615         configure settings on Solaris 7 and later.
7616
7617 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
7618
7619         PR tree-optimization/19865
7620         * tree-optimize.c (init_tree_optimization_passes): Run
7621         pass_may_alias after pass_sra.
7622
7623 2005-02-16  Richard Henderson  <rth@redhat.com>
7624             Stuart Hastings  <stuart@apple.com>
7625
7626         PR debug/19521
7627         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
7628         Do nothing if debug info suppressed for this function.
7629         (dbxout_begin_function): Early exit if debug info suppressed for
7630         this function.
7631
7632 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
7633
7634         PR target/20007
7635         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
7636         find_basic_blocks.
7637         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
7638
7639         PR tree-optimization/19967
7640         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
7641         expand_builtin_strchr, expand_builtin_strrchr): Take a new
7642         argument TYPE.  Adjust calls to fold_builtin_XXX.
7643         (expand_builtin, fold_builtin_1): Adjust calls to
7644         expand_builtin_XXX.
7645         (fold_builtin_strchr, fold_builtin_strpbrk,
7646         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
7647         result to a requested type TYPE.
7648
7649 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
7650
7651         PR middle-end/19857
7652         * fold-const.c (fold): Don't optimize (T)(x & cst) to
7653         (T)x & (T)cst if (T)cst overflows.
7654         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
7655         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
7656
7657 2005-02-15  Jeff Law  <law@redhat.com>
7658
7659         * gcse.c (blocks_with_calls): New bitmap.
7660         (alloc_gcse_mem): Allocate it.
7661         (free_gcse_mem): Free it.
7662         (clear_modifY_mem_tables): Clear it.
7663         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
7664         when we encounter CALL_INSNs.
7665         (compute_transp, case MEM): Handle blocks with calls separate
7666         from blocks without calls.  Use bitmap iterators rather than
7667         FOR_EACH_BB.
7668
7669 2005-02-15  Peter O'Gorman  <peter@pogma.com>
7670
7671         PR bootstrap/18810
7672         * mklibgcc.in (vis_hide): Use a temporary object file, not
7673         -o /dev/null.
7674
7675 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
7676
7677         PR target/19924
7678         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
7679         access optimization.
7680
7681 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
7682             Alan Modra  <amodra@bigpond.net.au>
7683
7684         PR target/19019
7685         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
7686         (_xlqsub): Rename to __gcc_qsub.
7687         (_xlqmul): Rename to __gcc_qmul.
7688         (_xlqdiv): Rename to __gcc_qdiv.
7689         Provide versioned symbol aliases with old names.
7690         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
7691         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
7692         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
7693         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
7694         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
7695
7696 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
7697
7698         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
7699         Fold ~(A - 1) and ~(A + -1) to -A.
7700
7701 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
7702
7703         PR pch/14940
7704         PR target/19300
7705         * config/host-linux.c (linux_gt_pch_use_address): Copy from
7706         config/pa/pa-host.c:pa_gt_pch_use_address.
7707
7708 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
7709
7710         * tree-vn.c (get_value_handle): Make sure that given an
7711         is_gimple_min_invariant expression, we always return it.
7712
7713 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
7714
7715         * passes.c (rest_of_handle_gcse): Fix a comment.
7716
7717 2005-02-15  Jeff Law  <law@redhat.com>
7718
7719         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
7720         bitmap.
7721         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
7722         (canon_list_insert, record_last_mem_set_info): Similarly.
7723         (clear_modify_mem_tables): Similarly.
7724
7725 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
7726
7727         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
7728         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
7729         config/mips/mips.md, config/rs6000/aix.h,
7730         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
7731
7732 2005-02-15  Richard Henderson  <rth@redhat.com>
7733
7734         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
7735         call to be best_edge.
7736
7737 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
7738
7739         * basic-block.h: Adjust the prototype for find_basic_blocks.
7740         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
7741         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
7742         find_basic_blocks.
7743
7744         * flow.c (recompute_reg_usage): Remove all arguments.
7745         * passes.c (rest_of_compilation): Adjust the call to
7746         recompute_reg_usage.
7747         * rtl.h: Adjust the prototype for recompute_reg_usage.
7748
7749 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
7750
7751         * tree-dump.c (dump_files): Update to reflect new member
7752         of dump_file_info.
7753         (dump_register): Add new argument.
7754         Set glob name.
7755         (dump_switch_p_1): Check against glob name if doglob was passed.
7756         (dump_switch_p): Check against regular first, then glob if
7757         we didn't have any hits on the dump name.
7758         * tree-optimize.c (register_one_dump_file):
7759         Pass in glob name as well.
7760         * tree-pass.h (struct dump_file_info): Add glob
7761         member.
7762
7763 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
7764
7765         PR preprocessor/16323
7766         * doc/invoke.texi: Document that -Wendif-labels is on by default.
7767
7768 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
7769
7770         PR target/19019
7771         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
7772         (trunctfdf2_internal1): New.
7773         (trunctfdf2_internal2): Renamed from trunctfdf2.
7774
7775 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
7776
7777         PR tree-optimization/19853
7778         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
7779
7780 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
7781
7782         * passes.c (rest_of_handle_loop_optimize): Remove calls to
7783         delete_dead_jumptables and cleanup_cfg.
7784
7785 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
7786
7787         * reload.c (find_reloads): Swap address_reloaded flags when
7788         swapping commutative operands.
7789
7790 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
7791
7792         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
7793         Use standard_iv_increment_position for computing the bsi position
7794         for create_iv.
7795         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
7796         the bsi position.
7797
7798 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
7799
7800         PR target/17428
7801         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
7802         life range of hard registers.
7803         * value-prof.c (insn_prefetch_values_to_profile): Only
7804         scan normal insns.
7805
7806         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
7807         profile in libcalls.
7808
7809 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
7810
7811         * bitmap.h (bitmap_and_compl_into): Return bool.
7812         * bitmap.c (bitmap_and_compl_into): Return changed flag.
7813
7814 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
7815
7816         PR tree-optimization/19944
7817         * fold-const.c (fold): Re-add ABS_EXPR folding.
7818
7819 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
7820
7821         PR target/19019
7822         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
7823         {TARGET,MASK}_XL_COMPAT.
7824         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
7825         MASK_XL_COMPAT.
7826         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
7827         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
7828         TARGET_XL_COMPAT.
7829         (rs6000_arg_partial_bytes): Same.
7830         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
7831         and XL compatibility enabled.
7832         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
7833         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
7834         test to final condition.
7835         (cmptf_internal2): New.
7836         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
7837         xl-compat.  Add TFmode information to description.
7838
7839 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
7840
7841         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
7842
7843 2005-02-13  Jason Merrill  <jason@redhat.com>
7844
7845         PR c++/16405
7846         * fold-const.c (fold_indirect_ref_1): Split out from...
7847         (build_fold_indirect_ref): Here.
7848         (fold_indirect_ref): New fn.
7849         * tree.h: Declare it.
7850         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
7851         (gimplify_modify_expr_rhs): Likewise.
7852         (gimplify_expr): Likewise.
7853
7854 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
7855
7856         PR tree-optimization/14303
7857         PR tree-optimization/15784
7858         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
7859         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
7860         ABS_EXPR<x> != 0 to x != 0.
7861
7862 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
7863
7864         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
7865         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
7866         spelling conventions.
7867
7868         * passes.c (rest_of_handle_gcse): Don't run cse_main and
7869         delete_trivially_dead_insns too many times.
7870
7871         * passes.c (rest_of_handle_gcse): Remove dead assignments to
7872         tem and tem2.
7873
7874 2005-02-12  Ira Rosen  <irar@il.ibm.com>
7875
7876         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
7877         (vect_is_simple_iv_evolution): Remove redundant parameter
7878         and step check.
7879         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
7880         without last parameter.
7881         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
7882         Return pointer step. Call vect_is_simple_iv_evolution without
7883         last parameter. Check only that the step is multiple of size
7884         type. Remove stmt_vinfo updates.
7885         (vect_get_memtag_and_dr): Remove.
7886         (vect_get_memtag): New function.
7887         (vect_address_analysis): New function.
7888         (vect_object_analysis): New function.
7889         (vect_analyze_data_refs): Call vect_object_analysis and
7890         vect_get_memtag. Update stmt_vinfo fields.
7891
7892 2005-02-12  Ira Rosen  <irar@il.ibm.com>
7893
7894         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
7895         exist and are objects. Remove checks for pointer.
7896         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
7897         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
7898         (vect_create_data_ref_ptr): Likewise.
7899         (vect_base_addr_differ_p): New function.
7900         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
7901         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
7902         Don't set the DR_BASE_NAME field of data-ref.
7903         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
7904
7905 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
7906
7907         * optabs.h (enum optab_index): Add new OTI_ldexp.
7908         (ldexp_optab): Define corresponding macro.
7909         * optabs.c (init_optabs): Initialize ldexp_optab.
7910         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
7911         patterns.
7912         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
7913         using ldexp_optab.
7914         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
7915         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
7916
7917         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
7918         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
7919         intrinsics.
7920
7921 2005-02-12  Ira Rosen  <irar@il.ibm.com>
7922
7923         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
7924         to base_address.
7925         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
7926         stmt_vec_info.
7927         (vect_get_base_and_offset): Always return an address.
7928         (vect_create_addr_base_for_vector_ref): Remove treatment for
7929         different data reference types.
7930         (vect_compute_data_ref_alignment): Rename base to base_address in
7931         stmt_vec_info. Get the object in order to force its alignment.
7932         (vect_get_memtag_and_dr): Rename base to base_address in
7933         stmt_vec_info. Extract the object for memtag analysis.
7934
7935 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
7936
7937         PR regression/19898.
7938         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
7939         changes cc_status, use apply modified_in_p to part of cc_status
7940         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
7941         body.
7942
7943 2005-02-11  Richard Henderson  <rth@redhat.com>
7944
7945         * tree-complex.c (expand_complex_libcall): New.
7946         (expand_complex_multiplication): Use it for c99 compliance.
7947         (expand_complex_division): Likewise.
7948         * fold-const.c (fold_complex_add, fold_complex_mult): New.
7949         (fold): Call them.
7950         * builtins.c (built_in_names): Remove const.
7951         * tree.c (build_common_builtin_nodes): Build complex arithmetic
7952         builtins.
7953         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
7954         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
7955         (built_in_names): Remove const.
7956         * c-common.c (c_common_type_for_mode): Handle complex modes.
7957         * flags.h, toplev.c (flag_complex_method): Rename from
7958         flag_complex_divide_method.
7959         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
7960         __mulsc3, __muldc3, __mulxc3, __multc3): New.
7961         * libgcc2.h: Declare them.
7962         * libgcc-std.ver: Export them.
7963         * mklibgcc.in (lib2funcs): Build them.
7964
7965 2005-02-11  Steven Bosscher  <stevenb@suse.de>
7966
7967         PR tree-optimization/19876
7968         Partially revert my change from 2005-01-14
7969         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
7970         (compute_antic): ...and remove the loop here.
7971
7972 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
7973
7974         PR middle-end/19858
7975         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
7976         is number of inner's bits, avoid creating a BIT_FIELD_REF.
7977
7978         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
7979         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
7980
7981 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
7982
7983         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
7984         offsets for the big-endian 32-bit case.
7985
7986 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
7987
7988         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
7989
7990 2005-02-11  Dale Johannesen  <dalej@apple.com>
7991
7992         * cselib.c (cselib_process_insn):  Clear out regs where
7993         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
7994         * reload.c (find_equiv_reg): Ditto.
7995
7996 2005-02-11  Ian Lance Taylor  <ian@airs.com>
7997
7998         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
7999         with no elements.
8000
8001         * tree.c (build_function_type_list): Work correctly if there are
8002         no arguments.
8003
8004 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
8005
8006         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
8007         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
8008         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
8009         TARGET_ZARCH instead of TARGET_64BIT.
8010
8011 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
8012
8013         * config/rs6000/t-rtems:
8014         (MULTILIB_OPTIONS): Remove mcpu=602.
8015         (MUTLILIB_DIRNAMES): Remove m602.
8016         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
8017         Let mcpu=602 match mcpu=603.
8018         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
8019
8020 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8021
8022         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
8023         signal trampolines.
8024
8025 2005-02-10  David Daney  <ddaney@avtrex.com>
8026
8027         * config/alpha/linux-unwind.h: Add exception clause to copyright.
8028         * config/i386/linux-unwind.h: Likewise.
8029         * config/ia64/linux-unwind.h: Likewise.
8030         * config/mips/linux-unwind.h: Likewise.
8031         * config/pa/linux-unwind.h: Likewise.
8032         * config/rs6000/linux-unwind.h: Likewise.
8033         * config/s390/linux-unwind.h: Likewise.
8034         * config/sh/linux-unwind.h: Likewise.
8035         * config/sparc/linux-unwind.h: Likewise.
8036
8037 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8038
8039         PR tree-optimization/17549
8040         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
8041         TER to replace a DEF with its expression if the DEF and the
8042         rhs of the expression we replace into have the same root
8043         variable.
8044
8045 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
8046
8047         * config/mips/mips.md: Fix the placement of the match_scratch in the
8048         lea64 peephole2.
8049
8050 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8051
8052         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
8053         Fix comment typos.
8054
8055 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
8056
8057         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
8058         (strip_offset): Handle addresses.
8059         (add_address_candidates): Use strip_offset.
8060         (difference_cost): Reflect strip_offset change.
8061         (force_var_cost, difference_cost): Strip nops.
8062
8063 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8064
8065         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
8066
8067         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
8068         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
8069         config/cris/cris-protos.h, config/cris/cris.c: Update
8070         copyright.
8071
8072 2005-02-10  Jeff Law  <law@redhat.com>
8073
8074         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
8075         (lookup_avail_expr): Similarly.
8076
8077 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
8078
8079         * builtins.c (fold_builtin_powi): New function.
8080         (fold_builtin_1): Call it.
8081
8082 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8083
8084         PR documentation/19309
8085         * doc/cpp.texi: The __GNUC__ and related predefined macros
8086         are also defined for the "standalone" cpp.
8087         Some non-GCC compilers may also define __GNUC__.
8088
8089 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
8090
8091         PR c/19342
8092         * c-typeck.c (common_type): New routine.  Old common_type renamed
8093         to...
8094         (c_common_type): ...this.
8095         (build_conditional_expr, build_binary_op): Use c_common_type instead
8096         of common_type.
8097
8098 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8099
8100         * doc/md.texi: Replace @samp{length} with @code{length}.
8101
8102 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8103
8104         PR tree-optimization/18687
8105         * tree-flow.h (find_loop_niter): Declare.
8106         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
8107         Try using scev even for loops with more than one exit.
8108         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
8109         (struct ivopts_data): Added niters field.
8110         (struct nfe_cache_elt): New.
8111         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
8112         functions.
8113         (tree_ssa_iv_optimize_init): Initialize niters cache.
8114         (determine_number_of_iterations): Removed.
8115         (find_induction_variables): Do not call determine_number_of_iterations.
8116         Access niters for single exit through niter_for_single_dom_exit.
8117         (add_iv_outer_candidates): Access niters for single exit through
8118         niter_for_single_dom_exit.
8119         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
8120         number_of_iterations_cond.
8121         (iv_period): New function.
8122         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
8123         (may_replace_final_value): Take data argument.  Use
8124         niter_for_single_dom_exit.
8125         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
8126         (rewrite_use_compare): Pass data to may_eliminate_iv.
8127         (rewrite_use_outer): Pass data to may_replace_final_value.
8128         (free_loop_data): Clean up the niters cache.
8129         (tree_ssa_iv_optimize_finalize): Free the niters cache.
8130         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
8131         * tree-ssa-loop-niter.c (find_loop_niter): New function.
8132         (find_loop_niter_by_eval): Use tree_int_cst_lt.
8133         (num_ending_zeros): Moved to tree.c.
8134         * tree.h (num_ending_zeros): Declare.
8135         * tree.c (num_ending_zeros): Moved from tree.c.
8136
8137 2005-02-09  Richard Henderson  <rth@redhat.com>
8138
8139         * builtins.c (DEF_BUILTIN): Add COND argument.
8140         * tree.h (DEF_BUILTIN): Likewise.
8141         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
8142         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
8143         match.
8144         (DEF_BUILTIN_STUB): New.
8145         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
8146         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
8147         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
8148         * c-common.c (DEF_BUILTIN): Add COND argument.
8149         * tree.c (local_define_builtin): New.
8150         (build_common_builtin_nodes): New.
8151
8152 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8153
8154         * fold-const.c (fold_strip_sign_ops): New function to simplify a
8155         floating point expression ignoring the sign of the result.
8156         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
8157         (fold) <MULT_EXPR>: Use it to simplify x*x.
8158         * tree.h (fold_strip_sign_ops): Prototype here.
8159         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
8160         argument.  Use fold_strip_sign_ops to simplify the first argument.
8161         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
8162         first argument when the second argument is an even integer
8163         constant, but only with -funsafe_math_optimizations.
8164         (fold_builtin_1): Update call to fold_builtin_copysign.
8165
8166 2005-02-09  Ian Lance Taylor  <ian@airs.com>
8167
8168         PR middle-end/19583
8169         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
8170         just check whether EH_FILTER_FAILURE falls through.
8171
8172 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
8173
8174         * gcc/haifa-sched.c (schedule_block): Make queued sched group
8175         insns return to ready list in the next turn.
8176
8177 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8178
8179         PR middle-end/19402
8180         * builtins.def: New __builtin_powi[lf].
8181         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
8182         (expand_builtin_powi): New function.
8183         (expand_builtin): Dispatch to expand_builtin_powi.
8184         * libgcc2.h: Add prototypes for __builtin_powi[lf].
8185         * libgcc2.c: Add __builtin_powi[lf] implementation.
8186         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
8187         * optabs.h: Add powi_optab.
8188         * optabs.c (init_optabs): Initialize powi_optab.
8189         * doc/extend.texi: Document __builtin_powi[lf].
8190
8191 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
8192
8193         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
8194         exists.
8195
8196 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8197
8198         PR middle-end/19854
8199         * fold-const.c (try_move_mult_to_index): Remove redundant
8200         type argument.  Create ADDR_EXPR with correct type.
8201         (fold): Update callers of try_move_mult_to_index.  Convert
8202         result to the appropriate type.
8203
8204 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8205
8206         PR target/19597
8207         * config/avr/avr.c (default_rtx_costs): Delete.
8208         (avr_operand_rtx_cost): New function.
8209         (avr_rtx_costs): Completely rewrite.
8210
8211 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
8212
8213         PR target/19806
8214         * config/cris/cris.c (in_code): New variable.
8215         (cris_output_addr_const): Now a static function, a wrapper for
8216         output_addr_const.
8217         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
8218         case from old cris_output_addr_const.
8219         (cris_asm_output_label_ref): Similar for LABEL_REF.
8220         (cris_output_addr_const_extra): Similar for UNSPEC.
8221         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
8222         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
8223         * config/cris/cris-protos.h (cris_output_addr_const): Remove
8224         declaration.
8225         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
8226         (cris_asm_output_label_ref): Declare.
8227
8228 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
8229
8230         PR preprocessor/19801
8231         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
8232         filenames that changed when libcpp was moved to the toplevel.
8233
8234 2005-02-07  Roger Sayle  <roger@eyesopen.com>
8235
8236         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
8237         zero extensions of BImode operands.  Call lowpart_subreg instead
8238         of gen_lowpart_common and gen_lowpart_SUBREG.
8239
8240 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
8241
8242         PR ada/19489
8243         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
8244         * configure.ac: Set cc_for_cross_gnattools.
8245         * configure: Regenerate.
8246
8247 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
8248
8249         PR target/19803
8250         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
8251
8252 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8253
8254         PR debug/19327
8255         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
8256         of nested functions.
8257
8258 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
8259
8260         * doc/extend.texi: Document deprecated extensions allowing
8261         static floating-point members to have initializers and allowing
8262         floating-point literals in integral constant expressions.
8263
8264 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
8265
8266         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
8267         config/darwin7.h, config/mips/mips.c,
8268         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
8269         Update copyright.
8270
8271         * cse.c: Update comments.
8272
8273 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
8274
8275         PR middle-end/19775
8276         * builtins.c (fold_builtin_sqrt): Transform
8277         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
8278         pow(x,y*0.5).
8279
8280 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
8281             Dorit Naishlos  <dorit@il.ibm.com>
8282
8283         * doc/invoke.texi (ftree-vectorizer-verbose): New.
8284         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
8285         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
8286         was added.
8287         * tree.h (vect_set_verbosity_level): New extern function declaration
8288         added.
8289         * tree-vectorizer.h (verbosity_levels): New enum type.
8290         * tree-vectorizer.c (vect_debug_stats): Function removed.
8291         (vect_debug_details): Likewise.
8292         (vect_verbosity_level): Global variable was defined and initialized.
8293         (vect_dump): Global variable definition.
8294         (vect_print_dump_info): New function.
8295         (vect_set_dump_settings): New function.
8296         (vect_set_verbosity_level): New function.
8297         (vectorize_loops): Add call to vect_set_dump_settings.
8298
8299         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
8300         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8301         (slpeel_tree_peel_loop_to_edge): Likewise.
8302
8303         (vect_analyze_offset_expr): Call to vect_print_dump_info with
8304         appropriate verbosity level instead of call to vect_debug_details
8305         or vect_debug_stats.
8306         (vect_get_base_and_offset):
8307         (vect_create_addr_base_for_vector_ref):
8308         (get_vectype_for_scalar_type):
8309         (vect_create_data_ref_ptr):
8310         (vect_init_vector):
8311         (vect_get_vec_def_for_operand):
8312         (vect_finish_stmt_generation):
8313         (vectorizable_assignment):
8314         (vectorizable_operation):
8315         (vectorizable_store):
8316         (vectorizable_load):
8317         (vect_transform_stmt):
8318         (vect_update_ivs_after_vectorizer):
8319         (vect_do_peeling_for_loop_bound):
8320         (vect_update_inits_of_drs):
8321         (vect_do_peeling_for_alignment):
8322         (vect_transform_loop):
8323         (vect_is_simple_use):
8324         (vect_analyze_operations):
8325         (vect_is_simple_iv_evolution):
8326         (vect_analyze_scalar_cycles):
8327         (vect_analyze_data_ref_dependence):
8328         (vect_analyze_data_ref_dependences):
8329         (vect_compute_data_ref_alignment):
8330         (vect_enhance_data_refs_alignment):
8331         (vect_analyze_data_refs_alignment):
8332         (vect_analyze_data_ref_access):
8333         (vect_analyze_data_ref_accesses):
8334         (vect_analyze_pointer_ref_access):
8335         (vect_get_memtag_and_dr):
8336         (vect_analyze_data_refs):
8337         (vect_mark_relevant):
8338         (vect_stmt_relevant_p):
8339         (vect_mark_stmts_to_be_vectorized):
8340         (vect_can_advance_ivs_p):
8341         (vect_get_loop_niters):
8342         (vect_analyze_loop_form):
8343         (vect_analyze_loop):
8344         (vectorize_loops): Likewise.
8345
8346         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
8347         (vect_update_inits_of_drs):
8348         (vect_do_peeling_for_alignment):
8349         (vect_transform_loop):
8350         (vect_analyze_operations):
8351         (vect_analyze_scalar_cycles):
8352         (vect_analyze_data_ref_dependences):
8353         (vect_analyze_data_refs_alignment):
8354         (vect_analyze_data_ref_accesses):
8355         (vect_analyze_data_refs):
8356         (vect_mark_stmts_to_be_vectorized):
8357         (vect_get_loop_niters):
8358         (vect_analyze_loop_form):
8359         (vect_analyze_loop): Likewise.
8360         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
8361
8362 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
8363
8364         PR bootstrap/19796
8365         Revert:
8366         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
8367         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
8368         either -ffast-math or -funsafe-math-optimizations is in use.
8369
8370         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
8371         * config/mips/irix-csr.c: New file.
8372         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
8373         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
8374         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
8375         executables.
8376
8377 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
8378
8379         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
8380         redundant, incorrect definitions.
8381
8382         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
8383         expand.
8384         ("*tls_indirect_call"): New, reference hard regs directly.
8385         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
8386
8387 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
8388
8389         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
8390         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
8391
8392 2005-02-06  Roger Sayle  <roger@eyesopen.com>
8393
8394         PR rtl-optimization/19800
8395         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
8396         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
8397         gen_lowpart.
8398
8399 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
8400
8401         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
8402
8403 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
8404
8405         PR other/17135
8406         * doc/invoke.texi: Correct documentation of -freorder-functions.
8407
8408 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8409
8410         PR other/14402
8411         * doc/invoke.texi: Don't mention gccbug.
8412
8413 2005-02-06  Roger Sayle  <roger@eyesopen.com>
8414             Andrew Pinski  <pinskia@physics.uc.edu>
8415             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
8416
8417         * simplify-rtx.c (simplify_relational_operation_1): Simplify
8418         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
8419         into just (zero_extract:SI FOO (const_int 1) BAR).
8420
8421 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8422
8423         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
8424         macro locally.  Don't give last revision date.  Use GCC version
8425         number from gcc-common.texi.
8426         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
8427         revision date.  Use GCC version number from gcc-common.texi.
8428         Describe being a library as current state rather than as 3.x
8429         history.
8430         * doc/gcc.texi: Remove last update date.
8431         * doc/gccint.texi: Likewise.  Update copyright dates.
8432         * doc/install.texi: Update copyright dates.
8433
8434 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8435
8436         PR other/7549
8437         * doc/invoke.texi: Mention for each option included in -Wall that
8438         it is included in -Wall.
8439         * doc/gcc.texi: Update copyright and last modification date.
8440
8441 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
8442
8443         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
8444         unnecessary cast to original induction variable increments.
8445
8446 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
8447
8448         PR tree-optimization/18219
8449         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
8450         in distributed form.
8451
8452 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
8453
8454         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
8455         Set bitpos and offset later in the function.  Do nothing if the
8456         target is a register and if the bitfield lies completely outside
8457         that register.
8458         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
8459         here.  Return an uninitialised register if the source value is stored
8460         in a register and the bitfield lies completely outside that register.
8461
8462 2005-02-06  Steven Bosscher  <stevenb@suse.de>
8463
8464         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
8465         not SET_DEST.
8466
8467 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
8468
8469         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
8470
8471 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
8472
8473         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
8474         * config/darwin8.h: New.
8475         * config/darwin7.h: Update comment.
8476
8477 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
8478             Dorit Naishlos  <dorit@il.ibm.com>
8479
8480         * tree-vectorizer.h (LOC): New type.
8481         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
8482         (loop_line_number): New field in struct _loop_vec_info.
8483         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
8484
8485         * tree-vectorizer.c (input.h): Included.
8486         (find_loop_location): New function.
8487         (vect_debug_stats): Argument changed from loop to LOC. Computation of
8488         loop line number removed.
8489         (vect_debug_details): Likewise.
8490         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
8491
8492         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
8493         call to vect_debug_details/stats changed from loop to loop_loc.
8494         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8495         (slpeel_tree_peel_loop_to_edge): Likewise.
8496
8497         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
8498         changed from NULL to UNKNOWN_LOC.
8499         (vect_get_base_and_offset):
8500         (vect_create_addr_base_for_vector_ref):
8501         (get_vectype_for_scalar_type):
8502         (vect_create_data_ref_ptr):
8503         (vect_init_vector):
8504         (vect_get_vec_def_for_operand):
8505         (vect_finish_stmt_generation):
8506         (vectorizable_assignment):
8507         (vectorizable_operation):
8508         (vectorizable_store):
8509         (vectorizable_load):
8510         (vect_transform_stmt):
8511         (vect_update_ivs_after_vectorizer):
8512         (vect_do_peeling_for_loop_bound):
8513         (vect_do_peeling_for_alignment):
8514         (vect_transform_loop):
8515         (vect_is_simple_use):
8516         (vect_analyze_operations):
8517         (vect_is_simple_iv_evolution):
8518         (vect_analyze_scalar_cycles):
8519         (vect_analyze_data_ref_dependences):
8520         (vect_compute_data_ref_alignment):
8521         (vect_enhance_data_refs_alignment):
8522         (vect_analyze_data_ref_access):
8523         (vect_analyze_data_ref_accesses):
8524         (vect_analyze_pointer_ref_access):
8525         (vect_get_memtag_and_dr):
8526         (vect_analyze_data_refs):
8527         (vect_mark_relevant):
8528         (vect_stmt_relevant_p):
8529         (vect_mark_stmts_to_be_vectorized):
8530         (vect_can_advance_ivs_p):
8531         (vect_get_loop_niters):
8532         (vect_analyze_loop):
8533         (vectorize_loops): Likewise.
8534
8535         (vectorizable_load): Argument in call to vect_debug_details/stats
8536         changed from loop to LOOP_LOC (loop_vinfo).
8537         (vect_transform_loop):
8538         (vect_analyze_operations):
8539         (vect_analyze_scalar_cycles):
8540         (vect_analyze_data_ref_dependence):
8541         (vect_enhance_data_refs_alignment):
8542         (vect_analyze_data_ref_accesses):
8543         (vect_analyze_pointer_ref_access):
8544         (vect_analyze_data_refs):
8545         (vect_analyze_loop): Likewise.
8546
8547         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
8548         changed from loop to loop_loc.
8549
8550         (vect_enhance_data_refs_alignment): Removed unused variable loop.
8551
8552 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
8553             Dorit Naishlos  <dorit@il.ibm.com>
8554
8555         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
8556         declaration added.
8557         (vect_analyze_data_ref_dependences): Likewise.
8558
8559         (vect_is_simple_use): Argument changed from loop structure to
8560         loop_vect_info structure.
8561         (vect_can_advance_ivs_p): Likewise.
8562         (vect_create_index_for_vector_ref): Likewise.
8563         (vect_update_ivs_after_vectorizer): Likewise.
8564         (new_stmt_vec_info): Likewise.
8565
8566         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
8567         changed from loop to loop_vinfo.
8568         (vect_create_data_ref_ptr): First argument in call to
8569         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
8570         (vectorizable_assignment): Second argument in call to vect_is_simple_use
8571         was changed from loop to loop_vinfo.
8572         (vectorizable_operation): Likewise.
8573         (vectorizable_store): Likewise.
8574         (vect_mark_stmts_to_be_vectorized): Likewise.
8575         (vect_do_peeling_for_loop_bound): First argument in call to
8576         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
8577         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
8578         was changed from loop to loop_vinfo.
8579         (vect_analyze_data_ref_dependences): Third argument in call to
8580         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
8581
8582         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
8583         (vect_create_data_ref_ptr): Likewise.
8584         (vect_init_vector): Likewise.
8585         (vect_get_vec_def_for_operand): Likewise.
8586         (vectorizable_assignment): Likewise.
8587         (vectorizable_operation): Likewise.
8588         (vectorizable_store): Likewise.
8589         (vectorizable_load): Likewise.
8590         (vect_update_ivs_after_vectorizer): Likewise.
8591         (vect_is_simple_use): Likewise.
8592         (vect_analyze_data_ref_dependence): Likewise.
8593         (vect_analyze_pointer_ref_access): Likewise.
8594         (vect_can_advance_ivs_p): Likewise.
8595
8596         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
8597         before _stmt_vec_info.
8598         (_stmt_vec_info): Loop field replaced by loop_vec_info.
8599         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
8600         (new_stmt_vec_info): Argument changed from loop structure to
8601         loop_vect_info structure
8602
8603         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
8604         (vect_analyze_offset_expr): Avoid 80 columns overflow.
8605         (vect_create_addr_base_for_vector_ref): Likewise.
8606         (vect_analyze_pointer_ref_access): Likewise.
8607
8608 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
8609
8610         PR tree-opt/19768
8611         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
8612         phi flag if the phi is abnormal.
8613
8614 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
8615
8616         PR tree-opt/19736
8617         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
8618         information for the new statement.
8619
8620 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
8621
8622         PR driver/19117
8623         * gcc.c (main): Include the target in -v output.
8624
8625 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
8626
8627         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
8628         Do not drop the extend if we'd have to add a paradoxical subreg
8629         later.  Include optabs.h and insn-codes.h.
8630         * Makefile.in (combine.o): Depend on $(OPTABS_H).
8631
8632 2005-02-02  Roger Sayle  <roger@eyesopen.com>
8633
8634         PR middle-end/19405
8635         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
8636         * fold-const.c (const_binop): Avoid constant folding floating
8637         point operations in modes that use composite representations.
8638         * simplify-rtx.c (simplify_binary_operation): Likewise.
8639
8640 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
8641
8642         * config/rs6000/altivec.md (altivec_dst): Make the first operand
8643         a REG, not a MEM.
8644         (altivec_dstt): Likewise.
8645         (altivec_dstst): Likewise.
8646         (altivec_dststt): Likewise.
8647         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
8648         of first operand.
8649
8650 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
8651
8652         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
8653         EXPR_LOCUS from orig_cond to the new cond_stmt.
8654         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
8655         the new vec_stmt.
8656
8657 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
8658
8659         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
8660         standard_iv_increment_position. Remove call to bsi_next
8661         (no need to bump the iterator anymore).
8662         (vect_create_index_for_vector_ref): Call
8663         standard_iv_increment_position. Remove second function argument.
8664         (vect_finish_stmt_generation): Remove call to bsi_next
8665         (no need to bump the iterator anymore).
8666         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
8667         to vect_create_index_for_vector_ref.
8668
8669 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
8670
8671         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
8672         phis are used out of the loop.
8673
8674 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
8675
8676         PR c/17807
8677         * c-decl.c (undef_nested_function): New variable.
8678         (pop_scope): Diagnose undefined nested functions.
8679         (finish_function): Don't attempt cgraph processing or genericizing
8680         if current top-level function contained an undefined nested
8681         function.  Reset undef_nested_function at the end of a top-level
8682         function.
8683
8684 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
8685
8686         * tree.c (build_int_cst_type): Take sign of the value into account
8687         when deciding whether sign extend the value.
8688
8689 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
8690
8691         PR c/18502
8692         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
8693         (cpp_options, cc1_options): Change %{std*&ansi} to
8694         %{std*&ansi&trigraphs}.
8695
8696 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
8697
8698         * cse.c: Update comments.
8699
8700 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
8701
8702         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
8703         arguments go on the stack.  Do not put complex doubles in odd/even
8704         pairs.
8705
8706 2005-02-02  Steven Bosscher  <stevenb@suse.de>
8707
8708         * doc/invoke.texi: Update the options enabled at -O1, -O2,
8709         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
8710         -ftree-pre, and -fthread-jumps.
8711
8712 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
8713
8714         PR tree-optimization/19578
8715         * tree-flow.h (modified_noreturn_calls): Declare.
8716         (noreturn_call_p): Declare.
8717         * tree-flow-inline.h (noreturn_call_p): New function.
8718         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
8719         * tree-cfg.c (modified_noreturn_calls): New variable.
8720         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
8721         that contain a mid-block noreturn call.
8722         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
8723
8724 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
8725
8726         * df.c (df_def_record_1, df_uses_record): Don't use
8727         DF_FOR_REGALLOC.
8728         * df.h (DF_FOR_REGALLOC): Remove.
8729
8730 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
8731
8732         PR c/19435
8733         * c-typeck.c (really_start_incremental_init): Reset
8734         constructor_max_index for arrays of incomplete type.
8735
8736 2005-02-02  Jeff Law  <law@redhat.com>
8737
8738         * gcse.c (struct reg_set): Store the block index where the register
8739         was set rather than the setting insn.
8740         (record_one_set, compute_transp): Corresponding changes.
8741         (pre_insert_copy_insn): Do not call replace_one_set.
8742         (replace_one_set): Remove.
8743
8744 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
8745
8746         PR other/15514
8747         * doc/gcov.texi: Fix typo.
8748
8749 2005-02-01  Richard Henderson  <rth@redhat.com
8750
8751         PR target/19680
8752         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
8753         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
8754         type to bool.
8755         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
8756         * config/i386/i386-protos.h: Update.
8757
8758 2005-02-01  Steven Bosscher  <stevenb@suse.de>
8759
8760         PR tree-optimization/19217
8761         * tree-cfg.c (verify_expr): Use the data field to see if TP was
8762         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
8763         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
8764         that it is walking a PHI node.
8765
8766 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
8767
8768         * doc/extend.texi (Nested Functions): Update.
8769
8770 2005-02-01  Richard Henderson  <rth@redhat.com>
8771
8772         PR 19696
8773         * optabs.c (expand_copysign_absneg): Export.
8774         * optabs.h (expand_copysign_absneg): Declare.
8775         * config/rs6000/rs6000.md (copysigntf3): New.
8776
8777 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
8778
8779         PR tree-optimization/19633
8780         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
8781         * tree-ssa-alias.c (init_alias_info): Initialize.
8782         (merge_pointed_to_info): Set.
8783         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
8784         (dump_points_to_info_for): Show value of pt_null.
8785         (struct count_ptr_d): Declare.
8786         (find_ptr_dereference): Remove.
8787         (ptr_is_dereferenced_by): Remove.
8788         (count_ptr_derefs): New local function.
8789         (count_uses_and_derefs): New local function.
8790         (compute_points_to_and_addr_escape): Call it.  If the number
8791         of dereferences is greater than zero, mark the pointer as
8792         dereferenced.  If there are fewer dereferences than uses of
8793         the pointer, the pointer's value escapes.
8794
8795 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
8796
8797         PR tree-optimization/19670
8798         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
8799         here...
8800         (verify_use): ... set it here, instead.
8801
8802 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
8803
8804         * doc/sourcebuild.texi (Test directives): Fix formatting.
8805
8806         * doc/sourcebuild.texi (Test directives): Describe selector
8807         expressions.
8808
8809 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8810
8811         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
8812         specific 64-bit CPUs.
8813
8814 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
8815
8816         PR target/16201
8817         * arm.c (arm_eliminable_register): New function.
8818         (adjacent_mem_locations): Don't allow eliminable registers.  Use
8819         HOST_WIDE_INT for address offsets.
8820         * arm-protos.h (arm_eliminable_register): Add prototype.
8821
8822 2005-02-01  Steven Bosscher  <stevenb@suse.de>
8823
8824         PR optimization/15242
8825         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
8826         * basic-block.h (duplicate_computed_gotos): Add prototype.
8827         * bb-reorder.c (duplicate_computed_gotos): New function to
8828         duplicate sufficiently small blocks ending in a computed jump.
8829         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
8830         if not optimizing for size.
8831         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
8832         never do tail merging for blocks ending in a computed jump.
8833         * doc/invoke.texi: Document the max-goto-duplication-insns param.
8834
8835 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
8836
8837         Patch from Richard Sandiford <rsandifo@redhat.com>
8838         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
8839         from inheriting a subreg equivalence with a non-spill register.
8840
8841         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
8842
8843 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
8844
8845         * config/frv/frv.c (movcc_fp_destination_operand): New.
8846         (gpr_or_memory_operand): Fix typo in comment.
8847         (gpr_or_memory_operand_with_scratch): New.
8848         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
8849         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
8850         movcc_fp_destination_operand.
8851         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
8852         Legitimize memory addresses using a scratch register.
8853
8854 2005-01-31  Jeff Law  <law@redhat.com>
8855
8856         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
8857         bitmap a sparse bitmap instead of a simple bitmap.
8858         (mark_def_sites_initialize_block):  Corresponding changes.
8859         (ssa_mark_def_sites_initialize_block): Likewise.
8860         (ssa_mark_phi_uses): Likewise.
8861         (mark_def_site, ssa_mark_def_sites): Likewise.
8862         (mark_def_site_blocks): Likewise.
8863         (rewrite_ssa_into_ssa): Likewise.
8864
8865         * tree-ssa-dom.c (record_cond): Pass correct variable type
8866         for last argument to htab_find_slot_with_hash.
8867
8868         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
8869         effects when optimizing 0 % X.  Do not try to optimize X % 0.
8870
8871 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
8872
8873         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
8874         1_mmalua.
8875
8876 2005-02-01  Eric Christopher  <echristo@redhat.com>
8877
8878         * config/mips/mips.c (override_options): Warn if -mint64
8879         is used.
8880         * doc/invoke.texi (MIPS Options): Document that -mint64 is
8881         deprecated.
8882
8883 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
8884
8885         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
8886         timestamp.
8887         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
8888         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
8889         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
8890         (cached_regno): Initialize to INVALID_REGNUM.
8891         (cse_reg_info_table_size,
8892         cse_reg_info_table_first_uninitialized,
8893         cse_reg_info_timestamp): New.
8894         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
8895         get_cse_reg_info.
8896         (init_cse_reg_info, get_cse_reg_info_1): New.
8897         (get_cse_reg_info): Cache the last look-up.
8898         (new_basic_block): Update the code to clear mappings from
8899         registers to cse_reg_info entries.
8900         (cse_main): Call init_cse_reg_info.
8901
8902         * cse.c (get_cse_reg_info): Update a comment.
8903
8904 2005-01-31  Steven Bosscher  <stevenb@suse.de>
8905
8906         PR c/19333
8907         * c-decl.c (start_decl): Do not warn about arrays of elements with
8908         an incomplete type here.
8909         (grokdeclarator): Do it here by making a pedwarn an error.
8910         * c-typeck.c (push_init_level): If there were previous errors with
8911         the constructor type, do not warn about braces for initializers.
8912         (process_init_element): Likewise for excess initializer elements.
8913
8914 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
8915
8916         * cse.c (delete_trivially_dead_insn): Don't iterate.
8917
8918 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
8919
8920         * config/rs6000/rs6000.md (copysignsf3): New expand.
8921         (copysigndf3): Likewise.
8922
8923 2005-01-31  Steven Bosscher  <stevenb@suse.de>
8924
8925         * recog.c (constrain_operands): Only look for earlyclobber operand
8926         conflicts if an '&' constraint was seen.
8927
8928 2005-01-31  Marc Espie <espie@openbsd.org>
8929
8930         * config.gcc: Don't include embedded systems fragment, switches default
8931         debugging format to ELF.
8932         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
8933         longer pick it up there.
8934
8935 2005-01-31  Dale Johannesen  <dalej@apple.com>
8936
8937         * doc/extend.texi (nested functions): Fix linkage description.
8938         Clarify that static is not allowed.
8939
8940 2005-01-31  Dale Johannesen  <dalej@apple.com>
8941
8942         * config/rs6000/darwin.md (movsf_low_di):  Make work.
8943         (movdf_low_di):  Make work.
8944
8945 2005-01-31  Dale Johannesen  <dalej@apple.com>
8946
8947         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
8948         Make work for 64 bit.
8949
8950 2005-01-31  Roger Sayle  <roger@eyesopen.com>
8951             Dale Johannesen  <dalej@apple.com>
8952
8953         PR middle-end/19650
8954         * fold-const.c (fold_binary_op_with_conditional_arg):
8955         Make types match original operands, before STRIP_NOPS.
8956
8957 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
8958
8959         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
8960         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
8961         (struct gcc_sigcontext): Delete.  Merge contents to..
8962         (struct gcc_ucontext): ..here.
8963         (get_sigcontext): Delete.
8964         (get_regs): New function, like get_sigcontext but return regs ptr.
8965         64-bit version finds regs from r1 to support vdso.
8966         (ppc_linux_aux_vector): New function.
8967         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
8968         and vector regs.
8969
8970 2005-01-31  Ira Rosen  <irar@il.ibm.com>
8971
8972         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
8973         sizetype.
8974         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
8975         redundant fold. Fix misalignment for MINUS_EXPR.
8976         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
8977         (vect_analyze_pointer_ref_access): Likewise.
8978         (vect_get_memtag_and_dr): Likewise.
8979
8980 2005-01-31  Richard Henderson  <rth@redhat.com>
8981
8982         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
8983         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
8984         absnegdf2_i387, absnegxf2_i387): Likewise.
8985
8986 2005-01-31  Richard Henderson  <rth@redhat.com>
8987
8988         PR 19696
8989         * optabs.c (expand_copysign_absneg): New.
8990         (expand_copysign_bit): Split out from ...
8991         (expand_copysign): ... here.  Use expand_copysign_absneg.
8992
8993 2005-01-30  Roger Sayle  <roger@eyesopen.com>
8994
8995         PR middle-end/19697
8996         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
8997         constant as the second operand and a register as the third.
8998
8999 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
9000
9001         PR target/19704
9002         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
9003         that dllimport'd functions do not use all call-clobbered registers
9004         to pass parameters.
9005
9006 2005-01-30  Richard Henderson  <rth@redhat.com>
9007
9008         PR 19696
9009         * optabs.c (expand_absneg_bit): Split out from expand_unop and
9010         expand_abs_nojump and generalize.  Use operand_subword and
9011         emit_no_conflict_block.  Support large modes.
9012         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
9013         back to maximum.
9014         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
9015         negation to subtraction.
9016         (expand_copysign): Check that the format has signed zeros.
9017         Use operand_subword and emit_no_conflict_block.  Support large modes.
9018
9019 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
9020
9021         Fix PR tree-optimization/19624
9022
9023         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
9024         * tree-ssa-pre.c: Add cfgloop.h.
9025         Update comment.
9026         (pre_stats): New member, constified.
9027         (inserted_exprs): New static variable.
9028         (NECESSARY): New macro.
9029         (create_expression_by_pieces): Fold the expression, and
9030         mark it as defaulting to not necessary. Also put in
9031         inserted_exprs.
9032         (fully_constant_expression): New function.
9033         (insert_into_preds_of_block): Modify to not insert phis when we
9034         are playing with induction variables.
9035         Push phis onto the inserted_exprs vector, and mark them as not
9036         necessary by default.
9037         (insert_aux): Call fully_constant_expression on eprime.
9038         If all edges produce the same value, mark it constant.
9039         (mark_operand_necessary): New function.
9040         (remove_dead_inserted_code): New function.
9041         (init_pre): Init loop optimizer to get loop info.
9042         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
9043         (execute_pre): Commit edge inserts, then remove dead code.
9044
9045 2005-01-30  Richard Henderson  <rth@redhat.com>
9046
9047         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
9048         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
9049
9050 2005-01-30  Richard Henderson  <rth@redhat.com>
9051
9052         PR target/19700
9053         * config/i386/i386.c (ix86_expand_copysign): New.
9054         (ix86_split_copysign_const): New.
9055         (ix86_split_copysign_var): Rename from ix86_split_copysign,
9056         rearrange op1/nmask operands.
9057         * config/i386/i386-protos.h: Update.
9058         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
9059         (copysigndf3): Likewise.
9060         (copysignsf3_const, copysigndf3_const): New.
9061         (copysignsf3_var): Rename from copysignsf3, split out splitter
9062         and fix split predicate for X constraint.
9063         (copysigndf3_var): Similarly.
9064
9065 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
9066
9067         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
9068         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
9069         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
9070
9071 2005-01-29  Richard Henderson  <rth@redhat.com>
9072
9073         PR target/19690
9074         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
9075         of # and * in constraints.
9076
9077 2005-01-29  Richard Henderson  <rth@redhat.com>
9078
9079         PR middle-end/19689
9080         * expr.c (store_field): Don't strip sub-mode cast when the input
9081         data is even smaller.
9082
9083 2005-01-29  Richard Henderson  <rth@redhat.com>
9084
9085         PR middle-end/19687
9086         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
9087         union being empty.
9088
9089 2005-01-29  Richard Henderson  <rth@redhat.com>
9090
9091         * combine.c (make_field_assignment): Fix argument order
9092         to gen_int_mode.
9093
9094 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
9095
9096         PR tree-optimization/15791
9097         * fold-const.c (extract_array_ref): New function.
9098         (fold): Fold comparisons between &a[i] and &a[j] or
9099         semantically equivalent trees.
9100
9101 2005-01-29  Jeff Law  <law@redhat.com>
9102
9103         * gcse.c (insert_expr_in_table): Revamp handling of available
9104         and anticipatable occurrence lists to avoid unnecessary list
9105         walking.
9106         (insert_set_in_table): Similarly.
9107
9108 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
9109
9110         * c-common.c (fix_string_type): Just use c_build_qualified_type to
9111         build string type.
9112         (c_build_qualified_type): Build qualified array types with
9113         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
9114         * c-decl.c (c_make_fname_decl): Build unqualified array type
9115         before qualified type.
9116         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
9117         type is qualified, not just if type itself is.  Don't apply
9118         qualifiers to array type when declarator is processed.  Apply
9119         qualifiers to field type whether or not it is an array type.
9120         Don't handle array types specially for applying qualifiers to
9121         variables.
9122         * c-typeck.c (composite_type): Build unqualified element type and
9123         array type when forming composite of array types.
9124         (common_pointer_type, comptypes, comp_target_types,
9125         type_lists_compatible_p, build_indirect_ref, build_array_ref,
9126         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
9127         types.
9128         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
9129         (args2) in variables a1 and a2.
9130
9131 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
9132
9133         * cse.c (n_elements_made, max_elements_made): Remove.
9134         (insert): Don't touch n_elements_made.
9135         (cse_main): Don't touch n_elements_made or max_elements_made.
9136
9137 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
9138
9139         PR target/15384
9140         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
9141         configuration part of dp-bit.c to be lost.
9142
9143 2005-01-28  Roger Sayle  <roger@eyesopen.com>
9144
9145         * expmed.c (expand_mult_highpart_optab): When attempting to use
9146         a non-widening multiplication in a wider mode, the operands need
9147         to be converted (zero or sign extended) to that mode.
9148
9149 2005-01-28  Ian Lance Taylor  <ian@airs.com>
9150
9151         PR middle-end/16558
9152         PR middle-end/19583
9153         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
9154         through if both operands fall through.
9155
9156 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9157
9158         * cse.c (fold_rtx) <PC>: Don't optimize.
9159
9160 2005-01-28  Jeff Law  <law@redhat.com>
9161
9162         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
9163         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
9164
9165 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9166
9167         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
9168         cse_reg_info_used_list_end): Remove.
9169         (cse_reg_info_list, cse_reg_info_list_free): New.
9170         (get_cse_reg_info): When allocating an instance of
9171         cse_reg_info, add it to the beginning of the cse_reg_info_list
9172         list.  Remove code to maintain cse_reg_info_used_list.
9173         (new_basic_block): Reset the free list to the beginning of
9174         cse_reg_info_list.
9175
9176 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
9177
9178         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
9179         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
9180         (frv_expand_mdpackh_builtin): New function.
9181         (frv_expand_builtin): Use it to expand __MDPACKH.
9182         * doc/extend.texi (__MDPACKH): Update documentation.
9183
9184 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
9185
9186         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
9187         SSE_FLOAT_MODE_P for use_sse computation.
9188
9189 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
9190
9191         PR target/19663
9192         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
9193
9194 2005-01-27  Richard Henderson  <rth@redhat.com>
9195
9196         * builtins.c (expand_builtin_copysign): New.
9197         (expand_builtin): Call it.
9198         * genopinit.c (optabs): Add copysign_optab.
9199         * optabs.c (init_optabs): Initialize it.
9200         (expand_copysign): New.
9201         * optabs.h (OTI_copysign, copysign_optab): New.
9202         (expand_copysign): Declare.
9203
9204         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
9205         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
9206
9207         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
9208         (ix86_expand_fp_absneg_operator): ... here.
9209         (ix86_split_copysign): New.
9210         * config/i386/i386-protos.h: Update.
9211         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
9212         (copysignsf3, copysigndf3): New.
9213
9214         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
9215         (copysignsf3, ncopysignsf3): New.
9216         (copysigndf3, ncopysigndf3): New.
9217         (copysignxf3, ncopysignxf3): New.
9218         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
9219
9220 2005-01-27  Arend Bayer  <arend.bayer@web.de>
9221             Kazu Hirata  <kazu@cs.umass.edu>
9222
9223         * cse.c: (find_best_addr): Don't call copy_rtx before calling
9224         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
9225         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
9226         NULL_RTX.
9227
9228 2005-01-27  Jeff Law  <law@redhat.com>
9229
9230         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
9231         definitions of SSA_NAMEs which are not being rewritten.
9232         (rewrite_ssa_into_ssa): Only initialize the current definition
9233         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
9234         If checking is enabled, assert that SSA_NAME_AUX is clear for all
9235         SSA_NAMEs before returning.
9236
9237 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
9238
9239         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
9240         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
9241         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
9242         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
9243         config/mips/iris6.h, config/sh/sh.c: Update copyright.
9244
9245 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9246
9247         PR middle-end/17278
9248         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
9249         higher to -O2 and higher.  Likewise for tree PRE.
9250         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
9251         and better.
9252
9253 2005-01-27  Ian Lance Taylor  <ian@airs.com>
9254
9255         PR middle-end/19583
9256         * gimple-low.c (try_catch_may_fallthru): New static function.
9257         (block_may_fallthru): Handle TRY_CATCH_EXPR.
9258         * tree-inline.c (expand_call_inline): Don't warn about reaching
9259         the end of a non-void function being inlined if the function uses
9260         a return slot.
9261
9262 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
9263
9264         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
9265
9266         PR c/18946
9267         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
9268         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
9269         (implicitly_declare): Handle error_mark_node.
9270
9271 2005-01-27  Richard Henderson  <rth@redhat.com>
9272
9273         PR tree-opt/14329
9274         * tree.h (struct tree_decl): Add debug_expr_is_from.
9275         (DECL_DEBUG_EXPR_IS_FROM): New.
9276         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
9277         * dwarf2out.c (dwarf2out_var_location): Update to match.
9278         * tree-outof-ssa.c (create_temp): Likewise.
9279         * var-tracking.c (track_expr_p): Likewise.
9280         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
9281         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
9282         * toplev.c (default_tree_printer): Likewise.
9283
9284 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
9285
9286         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
9287         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
9288
9289 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9290
9291         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
9292         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
9293         ASM_CLOBBERS): Add tree checks.
9294
9295         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
9296         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
9297         * c-common.def (SWITCH_STMT): Update to match.
9298         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
9299         macros instead of SWITCH_EXPR ones.
9300         * c-dump.c (c_dump_tree): Likewise.
9301         * c-gimplify.c (gimplify_switch_stmt): Likewise.
9302         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
9303
9304         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
9305
9306 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
9307
9308         * unwind-dw2.c (execute_stack_op): Add missing cases for
9309         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
9310
9311 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
9312
9313         * config.gcc (Obsolete configurations): Remove 'dummy', add
9314         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
9315         sparc-*-openbsd*.
9316
9317 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
9318
9319         PR tree-optimization/19633
9320         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
9321         CALL_EXPRs.
9322         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
9323         are no call-clobbered variables.
9324         * tree-outof-ssa.c (check_replaceable): Return false for calls
9325         with side-effects.
9326
9327 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
9328
9329         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
9330         even for variables with NULL DECL_INITIAL.
9331
9332 2005-01-26  Stuart Hastings  <stuart@apple.com>
9333
9334         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
9335
9336 2005-01-26  Richard Henderson  <rth@redhat.com>
9337
9338         PR middle-end/18008
9339         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9340         field's type.
9341         * expr.c (store_field): Strip conversions to odd-bit-sized types
9342         if the destination field width matches.
9343
9344 2005-01-26  Richard Henderson  <rth@redhat.com>
9345
9346         * c-decl.c, expmed.c, expr.c: Revert last change.
9347
9348 2005-01-26  Richard Henderson  <rth@redhat.com>
9349
9350         PR middle-end/18008
9351         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9352         field's type.
9353         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
9354         if we don't need the bits above those present in the current mode.
9355         * expr.c (store_field): Strip conversions to odd-bit-sized types
9356         if the destination field width matches.
9357
9358 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
9359
9360         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
9361         either -ffast-math or -funsafe-math-optimizations is in use.
9362
9363 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
9364
9365         PR target/19293
9366         PR target/19329
9367         * config/avr/avr.c (notice_update_cc): Only set condition code for
9368         ashrqi3 if shift count > 0.
9369         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
9370         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
9371         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
9372         count <= 0 as a no-op, and shift count >= width by copying zero
9373         or sign bit to all bits of the result.
9374         * config/avr/avr.md (all shifts): Add alternatives for zero shift
9375         count, with attribute "length" set to 0 and "cc" set to "none".
9376
9377 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
9378
9379         * doc/invoke.texi: Document -mTLS.
9380
9381         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
9382         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
9383         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
9384         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
9385         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
9386         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
9387         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
9388         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
9389
9390         * configure.ac: Check for a TLS capable gas.
9391
9392         * configure: Regenerate.
9393
9394 2005-01-26  Richard Henderson  <rth@redhat.com>
9395
9396         PR middle-end/18008
9397         * combine.c (make_field_assignment): Simplify store to zero_extract
9398         from a source with an overlapping mask.
9399
9400 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
9401
9402         2004-11-11  Eric Christopher  <echristo@redhat.com>
9403
9404         * config/frv/frv.md: Add fr400_integer automaton. Don't
9405         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
9406         to TYPE_MACC.
9407
9408 2005-01-26  Steven Bosscher  <stevenb@suse.de>
9409
9410         PR middle-end/16585
9411         * cfgbuild.c (make_edges): Do not clear or set
9412         current_function_has_computed_jump.
9413         * function.h (struct function): Remove the has_computed_jump field.
9414         (current_function_has_computed_jump): Do not define.
9415         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
9416         in a computed jump.  Ignore current_function_has_computed_jump.
9417
9418 2005-01-26  Richard Henderson  <rth@redhat.com>
9419
9420         PR middle-end/19515
9421         * expr.c (categorize_ctor_elements): New argument p_must_clear.
9422         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
9423         fully initialized.
9424         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
9425         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
9426         objects into static storage if they have more than one non-zero value.
9427         * tree.h (categorize_ctor_elements): Update decl.
9428
9429 2005-01-26  Steven Bosscher  <stevenb@suse.de>
9430
9431         PR middle-end/19616
9432         * tree.h (CALL_EXPR_TAILCALL): Add comment.
9433         * calls.c (check_sibcall_argument_overlap_1): Revert the change
9434         to this function from 2004-07-10.
9435         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
9436         the current function for tail call optimizations if the address
9437         of one of it its arguments is taken.
9438
9439 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
9440
9441         * cse.c (fold_rtx): Call equiv_constant only when necessary.
9442
9443 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
9444
9445         * function.c (expand_function_end): If current_function_calls_alloca,
9446         emit stack restore in a place that is reached when the function falls
9447         through at the end.
9448
9449 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
9450
9451         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
9452         rule to avoid matching inappropriate suffix rule.
9453
9454 2005-01-26  Jan Hubicka  <jh@suse.cz>
9455
9456         PR tree-optimization/19241
9457         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
9458
9459 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
9460
9461         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
9462         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
9463         of doubling.
9464         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
9465         <sim*>: Always use crt1.o, regardless of N in simN.
9466         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
9467         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
9468         (CRT_CALL_STATIC_FUNCTION): Remove.
9469         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
9470         use crt1.o, regardless of N in simN.
9471         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
9472         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
9473         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
9474         case isystem setting.
9475         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
9476
9477 2005-01-25  Ian Lance Taylor  <ian@airs.com>
9478
9479         * gimple-low.c (block_may_fallthru): Correct handling of
9480         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
9481
9482 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
9483
9484         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
9485         handlers to match indentation; nested under the mtune=* handler.
9486         Similar for mcpu= and march=.
9487
9488 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
9489
9490         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
9491         * config/mips/linux64.h (LIB_SPEC): Likewise.
9492         * config/mn10300/linux.h (LIB_SPEC): Likewise.
9493         * config/sh/linux.h (LIB_SPEC): Likewise.
9494
9495 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
9496
9497         * config/frv/frv.c (frv_legitimize_tls_address): New.
9498         (TARGET_HAVE_TLS): Define.
9499         (FRV_SYMBOL_REF_TLS_P): Define.
9500         (frv_override_options): Handle new register classes.
9501         (frv_legitimate_address_p): Reject tls addresses.
9502         (frv_legitimize_address): Handle TLS addresses.
9503         (gen_inlined_tls_plt): New.
9504         (gen_tlsmoff): New.
9505         (frv_legitimize_tls_address): New.
9506         (unspec_got_name): Add TLS entries.
9507         (got12_operand): Add R_FRV_TLSMOFF12 case.
9508         (frv_emit_move): Fixup TLS addresses.
9509         (frv_emit_movsi): Legitimize TLS addresses.
9510
9511         * config/frv/frv.h (MASK_BIG_TLS): New.
9512         (TARGET_BIG_TLS): New.
9513         (HAVE_AS_TLS): Define.
9514         (TARGET_SWITCHES): Add -mTLS and -mtls options.
9515         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
9516         (REG_CLASS_NAMES): Same.
9517         (REG_CLASS_CONTENTS): Same.
9518         (CONSTRAINT_LEN): New.
9519         (REG_CLASS_FROM_CONSTRAINT): New.
9520         (PREDICATE_CODES): Add symbolic_operand.
9521
9522         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
9523         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
9524         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
9525         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
9526         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
9527         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
9528         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
9529         GR9_REG, GR14_REG, LRREG.
9530         (type): Add load_or_call attribute.
9531         ("load_or_call"): New reservation.
9532         ("call_gettlsoff"): New.
9533         ("tls_indirect_call"): New.
9534         ("tls_load_gottlsoff12"): New.
9535         ("tlsoff_hilo"): New.
9536         ("tls_tlsdesc_ldd"): New.
9537         ("tls_tlsoff_ld"): New.
9538         ("tls_lddi"): New.
9539
9540         * config/frv/frv-protos.h (symbolic_operand): Protoize.
9541
9542         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
9543
9544         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
9545         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
9546         * config/frv/frv.c (TLS_BIAS): Define.
9547         (frv_output_dwarf_dtprel): New.
9548
9549 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
9550
9551         PR rtl-optimization/19579
9552         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
9553         both A and B, see if they don't clobber registers the other expr uses.
9554
9555 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
9556
9557         * real.c (do_add): Initialize signalling and canonical members.
9558
9559         * real.c (real_from_integer): Zero out destination.
9560
9561 2005-01-18  Jan Hubicka  <jh@suse.cz>
9562
9563         PR tree-optimize/19337
9564         * tree-inline.c (initialize_inlined_parameters): Copy
9565         saved_static_chain_decl only.
9566
9567 2005-01-25  Richard Henderson  <rth@redhat.com>
9568
9569         PR target/19556
9570         PR target/19584
9571         * config/i386/i386.c (x86_inter_unit_moves): Zero.
9572         (ix86_preferred_reload_class): Rewrite fp-constant section, with
9573         80387 enabled, to return a proper subclass.  Return the subset that
9574         overlaps with GENERAL_REGS for PLUS.
9575         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
9576
9577 2005-01-25  Richard Henderson  <rth@redhat.com>
9578
9579         PR middle-end/19609
9580         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
9581
9582 2005-01-25  Roger Sayle  <roger@eyesopen.com>
9583
9584         * expmed.c (choose_multiplier): Change interface to return the
9585         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
9586         (expand_divmod): Update calls to choose_multiplier.
9587
9588 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9589
9590         PR middle-end/19330
9591         * expmed.c (extract_bit_field): Use adjust_address instead of
9592         gen_lowpart when op0 is a MEM.
9593
9594 2005-01-24  Steven Bosscher  <stevenb@suse.de>
9595
9596         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
9597
9598 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
9599
9600         * config/mips/irix-csr.c: New file.
9601         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
9602         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
9603         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
9604         executables.
9605
9606 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
9607
9608         PR bootstrap/19364
9609         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
9610         sparc/elf.h, add sparc/sp-elf.h.
9611         (sparc-*-rtems*): Likewise.
9612         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
9613         tm-dwarf2.h, add sparc/sp-elf.h.
9614         (sparc86x-*-elf): Likewise.
9615         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
9616         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
9617         TARGET_OS_CPP_BUILTINS.
9618         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
9619         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
9620         Undefine it.
9621         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
9622         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
9623         (SWITCH_TAKES_ARG): Likewise.
9624         (LOCAL_LABEL_PREFIX): Likewise.
9625         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
9626         (TARGET_N_FORMAT_TYPES): Delete.
9627         (TARGET_FORMAT_TYPES): Likewise.
9628         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
9629         * config/sparc/elf.h: Delete.
9630         * config/sparc/sp-elf.h: New file.
9631
9632 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
9633
9634         * tree-flow-inline.h (phi_arg_from_edge): Remove.
9635         * tree-flow.h: Remove the corresponding prototype.
9636         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
9637         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
9638
9639 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
9640
9641         PR target/17751
9642         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
9643         for AIX ABI or ELF -fPIC.
9644         (rs6000_emit_load_toc_table): Don't create toc_section here.
9645         (rs6000_xcoff_file_start): Nor here.
9646
9647 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
9648
9649         * sh.c (ra.h): Don't #include.
9650         (hard_regs_intersect_p): New function, resurrected from ra.c.
9651
9652         * sh.c: Fix 1996 Copyright.
9653
9654 2005-01-24  Richard Henderson  <rth@redhat.com>
9655             Aldy Hernandez  <aldyh@redhat.com>
9656
9657         * regrename.c (note_sets): Handle subregs.
9658
9659 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
9660
9661         PR bootstrap/18058
9662         * genconditions.c (write_header, write_conditions): Elide file if
9663         not GCC >= 3.0.1.
9664
9665 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
9666
9667         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
9668         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
9669         Update copyright.
9670
9671 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
9672
9673         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
9674         expand_builtin_printf, expand_builtin_fprintf,
9675         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
9676         checking against POINTER_TYPE.
9677         (validate_arglist): Handle POINTER_TYPE code by checking
9678         POINTER_TYPE_P.
9679
9680 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
9681
9682         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
9683         init_rtlanal): New.
9684         (for_each_rtx): Call for_each_rtx_1.
9685         * rtl.h (init_rtlanal): Declare.
9686         * toplev.c (backend_init): Call init_rtlanal.
9687
9688 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
9689
9690         * flow.c (propagate_one_insn): Formatting.
9691
9692         PR middle-end/19551
9693         * flow.c (libcall_dead_p): Be more conservative if unsure.
9694         If there are any instructions between insn and call, see if they are
9695         all dead before saying the libcall is dead.
9696
9697 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
9698
9699         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
9700         operand constraint for operand 0.
9701
9702 2005-01-23  Richard Henderson  <rth@redhat.com>
9703
9704         PR 19486
9705         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
9706         edges leading to join block.
9707
9708 2005-01-23  Roger Sayle  <roger@eyesopen.com>
9709
9710         * expmed.c (expand_mult_highpart): Make static.  Change type of
9711         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
9712         (expand_divmod): Updates calls to expand_mult_highpart by using
9713         gen_int_mode to pass a CONST_INT rtx.
9714         * rtl.h (expand_mult_highpart): Remove prototype.
9715
9716 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
9717
9718         * flow.c (regset_bytes, regset_size): Remove.
9719
9720         * cfganal.c: Fix a reference to Harvey's paper.
9721
9722 2005-01-23  Steven Bosscher  <stevenb@suse.de>
9723
9724         PR rtl-optimization/19464
9725         * tree-optimize.c (init_tree_optimization_passes): Add one more
9726         copyrename pass just before out-of-ssa.
9727
9728 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
9729
9730         PR bootstrap/18058
9731         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
9732         * ggc-none.c (ggc_free): Define.
9733
9734 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
9735
9736         * cse.c (max_reg, max_insn_uid): Remove.
9737         (cse_main): Don't access max_reg or max_insn_uid.
9738
9739         * c-common.c (explicit_flag_signed_bitfields,
9740         lang_statement_code_p, lang_expand_function_end): Remove.
9741         * c-common.h: Remove the corresponding declarations.
9742         * c-opts.c (c_common_handle_option): Remove all write access
9743         to explicit_flag_signed_bitfields.
9744
9745         * cgraph.c (cgraph_varpool_n_nodes): Remove.
9746         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
9747         * cgraph.h: Remove the corresponding declaration.
9748
9749         * gcse.c (null_pointer_info): Remove.
9750
9751 2005-01-23  Roger Sayle  <roger@eyesopen.com>
9752             Eric Botcazou  <ebotcazou@libertysurf.fr>
9753
9754         * combine.c (simplify_logical): Only simplify logical expressions
9755         of the form ior(and(x,y),z) by the inverse distributive law if the
9756         result is cheaper than the original.
9757
9758 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
9759
9760         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
9761         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
9762         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
9763         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
9764         config/freebsd-spec.h, config/arm/arm.h,
9765         config/h8300/h8300.md, config/i386/i386.md,
9766         config/i386/predicates.md, config/i386/sse.md,
9767         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
9768         config/vax/vax.md: Fix comment typos.  Follow spelling
9769         conventions.
9770
9771 2005-01-23  Steven Bosscher  <stevenb@suse.de>
9772
9773         * gengtype.c (walk_type): Produce `not equal to' compares for loop
9774         tests, instead of `less than'.
9775
9776 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
9777
9778         * function.c (assign_parm_setup_block): When creating a new stack slot
9779         for a parameter, get its alignment from the parameter's DECL_ALIGN
9780         rather than the type's TYPE_ALIGN.  Make sure that the parameter
9781         is at least word aligned.
9782
9783 2005-01-22  Roger Sayle  <roger@eyesopen.com>
9784
9785         PR middle-end/19378
9786         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
9787
9788 2005-01-22  Richard Henderson  <rth@redhat.com>
9789
9790         PR target/19506
9791         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
9792         in both compare operands.
9793         (movdfcc_1_sse_max): Likewise.
9794         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
9795         (movdfcc_1_sse): Likewise.
9796         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
9797         scratch register as needed.
9798
9799 2005-01-22  Richard Henderson  <rth@redhat.com>
9800
9801         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
9802
9803         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
9804
9805 2005-01-22  Richard Henderson  <rth@redhat.com>
9806
9807         * genopinit.c (optabs): Use smin/smax for floating point too.
9808         * doc/md.texi: Update to match.  Clarify that floating point
9809         results are undefined for +0/-0 and NaN.
9810         * doc/rtl.texi: Likewise.
9811         * rtl.def (SMIN, SMAX): Likewise
9812         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
9813
9814         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
9815         leading 's' to the name.
9816         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
9817         smaxxf3, sminxf3): Likewise.
9818         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
9819         Likewise.
9820
9821 2005-01-22  Paul Brook  <paul@codesourcery.com>
9822
9823         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
9824
9825 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
9826
9827         * config/s390/s390.c (struct processor_costs): New fields
9828         dlgr, dlr, dr, dsgfr, dsgr.
9829         (z900_cost, z990_cost): Values for new fields.
9830         (s390_rtx_costs): New cases MEM und COMPARE in switch
9831         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
9832         DIV, MOD, UDIV, UMOD.
9833
9834 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
9835
9836         * config/s390/s390.md ("doloop_si64"): Reload input value directly
9837         into the register being decremented.
9838         ("doloop_si31", "doloop_di"): Likewise.
9839         ("*doloop_si_long"): Adapt pattern.
9840
9841 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
9842
9843         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
9844         access registers.
9845         (CLASS_MAX_NREGS): Likewise.
9846
9847 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
9848
9849         * doc/tree-ssa.texi (Statement Operands): Add example for new
9850         must-def macro. Note deprecation of old operands interface.
9851
9852 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
9853
9854         PR tree-optimization/19484
9855         * tree-cfg.c (remove_fallthru_edge): New function.
9856         (cleanup_control_flow): Remove fallthru edges from calls that are
9857         now known not to return.
9858
9859 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
9860
9861         Fix PR tree-optimization/19038
9862         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
9863         copies with loop variant ones.
9864
9865 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
9866
9867         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
9868         config/alpha/alpha-protos.h, config/alpha/alpha.h,
9869         config/alpha/alpha.md, config/alpha/predicates.md,
9870         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
9871         config/sparc/sol2.h: Update copyright.
9872
9873         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
9874         first label to see if it is a nonlocal label.
9875
9876 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
9877             Andrew Pinski  <pinskia@physics.uc.edu>
9878
9879         PR target/19491
9880         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
9881         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
9882
9883 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
9884
9885         * config/rs6000/rtems.h: Update copyright.
9886
9887 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
9888
9889         PR target/19548
9890         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
9891         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
9892         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
9893
9894 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9895
9896         PR c/18809
9897         * c-typeck.c (convert_arguments): Check for error_mark_node.
9898
9899 2005-01-21  Ian Lance Taylor  <ian@airs.com>
9900
9901         PR tree-optimization/13000
9902         * tree-inline.c: Include "tree-flow.h".
9903         (expand_call_inline): If warn_return_type, warn if non-void inline
9904         function falls through.
9905         * tree-cfg.c (execute_warn_function_return): Don't warn about
9906         control reaching end if TREE_NO_WARNING is set.  Set
9907         TREE_NO_WARNING.
9908         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
9909         has been lowered.
9910         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
9911         branch if we don't need one.
9912         * c-typeck.c: Include "tree-flow.h"
9913         (c_finish_bc_stmt): Don't add a goto if the current statement
9914         list doesn't fall through to the current point.
9915
9916 2005-01-21  Roger Sayle  <roger@eyesopen.com>
9917
9918         PR rtl-optimization/576
9919         * real.c (real_arithmetic): Change return type from void to bool
9920         to return an indication that the result may be inexact.
9921         * real.h (real_arithmeric): Update prototype.
9922         * fold-const.c (const_binop):  Don't constant fold floating
9923         point expressions when the user specifies -frounding-math and
9924         the result may depend upon the run-time rounding mode.
9925         (fold_convert_const_real_from_real): Clean-up.
9926         (fold_initializer): Ignore flag_rounding_math for initializers.
9927         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
9928         constant fold FP operations with flag_rounding_math if the
9929         result may depend upon the run-time rounding mode.
9930
9931 2005-01-21  Tom Tromey  <tromey@redhat.com>
9932
9933         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
9934
9935 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
9936
9937         * tree-cfg.c: Fix comment typos.
9938
9939 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
9940
9941         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
9942         around the call to rest_of_handle_branch_target_load_optimize.
9943
9944 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9945
9946         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
9947         (sparc64-*-openbsd*): Likewise.
9948         (sparclite-*-elf*): Include tm-dwarf2.h.
9949         (sparc86x-*-elf*): Likewise.
9950         (sparc64-*-elf*): Likewise.
9951         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
9952         (DBX_DEBUGGING_INFO): Likewise.
9953         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
9954         (PREFERRED_DEBUGGING_TYPE): Likewise.
9955         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
9956         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
9957         (PREFERRED_DEBUGGING_TYPE): Likewise.
9958         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
9959         (PREFERRED_DEBUGGING_TYPE): Likewise.
9960         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
9961
9962 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
9963
9964         PR target/18701
9965         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
9966
9967 2005-01-20  Paul Brook  <paul@codesourcery.com>
9968
9969         * doc/rtl.texi: Document value extension requirements for CONST_INT.
9970
9971 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
9972
9973         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
9974         label is first in a sequence of labels.
9975
9976         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
9977
9978 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
9979             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
9980
9981         * doc/sourcebuild.texi (Test Directives): New.
9982
9983 2005-01-20  Roger Sayle  <roger@eyesopen.com>
9984
9985         * real.c (real_floor): Don't leave the result uninitialized when
9986         mode is VOIDMode, but return the unrounded intermediate value.
9987         (real_ceil): Likewise.
9988
9989 2005-01-20  Paul Brook  <paul@codesourcery.com>
9990
9991         * config/arm/arm.md (insv): Use gen_int_mode.
9992
9993 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
9994
9995         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
9996         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
9997         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
9998         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
9999         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10000
10001 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10002
10003         Fix PR debug/19124
10004         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
10005         fbreg, so we have to assume we can't.
10006         (loc_descriptor_from_tree_1): Ditto.
10007         (containing_function_has_frame_base): New function.
10008         (add_location_or_const_value_attribute): Use it.
10009         Also try to generate a frame_base from a single element location
10010         list.
10011
10012 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10013
10014         PR tree-optimization/15349
10015         * timevar.def (TV_TREE_MERGE_PHI): New.
10016         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
10017         PHI_WANTED.
10018         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
10019         calls to tree_forwarder_block_p.
10020         (remove_forwarder_block_with_phi, merge_phi_nodes,
10021         gate_merge_phi, pass_merge_phi): New.
10022         * tree-optimize.c (init_tree_optimization_passes): Add
10023         pass_merge_phi.
10024         * tree-pass.h: Add an extern for pass_merge_phi;
10025
10026 2005-01-20  Richard Henderson  <rth@redhat.com>
10027
10028         PR target/19418
10029         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
10030         (_mm_castps_pd, _mm_castps_si128): New.
10031         (_mm_castsi128_ps, _mm_castsi128_pd): New.
10032
10033 2005-01-20  Richard Henderson  <rth@redhat.com>
10034
10035         PR target/19530
10036         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
10037         __builtin_ia32_vec_init_v2si.
10038         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
10039         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
10040         (ix86_init_mmx_sse_builtins): Create it.
10041         (ix86_expand_builtin): Expand it.
10042         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
10043         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
10044         (vec_extractv2si_0, vec_extractv2si_1): New.
10045
10046 2005-01-20  Richard Henderson  <rth@redhat.com>
10047
10048         PR target/16533
10049         * config/i386/i386.c (ix86_expand_push): New.
10050         * config/i386/mmx.md (push<MMXMODE>1): New.
10051         * config/i386/sse.md (push<SSEMODE>1): New.
10052         * config/i386/i386-protos.h: Update.
10053
10054 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10055
10056         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
10057         copyright.
10058
10059 2005-01-20  Richard Henderson  <rth@redhat.com>
10060
10061         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
10062         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
10063
10064 2005-01-19  Richard Henderson  <rth@redhat.com>
10065
10066         PR target/19350
10067         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
10068         to V4SFmode in SSE1 fallback load path.
10069
10070 2005-01-19  Richard Henderson  <rth@redhat.com>
10071
10072         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
10073         in QImode expansion to ix86_expand_vector_set.
10074         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
10075
10076 2005-01-19  Richard Henderson  <rth@redhat.com>
10077
10078         PR target/19511
10079         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
10080         subclass of the input class.
10081         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
10082         Always true for cross-SSE1 classes.  Rationalize conditionals.
10083         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
10084         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
10085         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
10086         (movdi_2): Add MMX/SSE zeros.
10087         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
10088         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
10089         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
10090         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
10091         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
10092         (zero_extendsidi2_rex64_1): Remove.
10093         (MOV0 peephole): Check GENERAL_REG_P.
10094
10095 2005-01-19  Richard Henderson  <rth@redhat.com>
10096
10097         PR target/19427
10098         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
10099         shufps elements.
10100         (ix86_expand_vector_extract): Likewise.
10101
10102 2005-01-19  Richard Henderson  <rth@redhat.com>
10103
10104         PR middle-end/19304
10105         * expr.c (emit_move_change_mode): New argument force; use
10106         simplify_gen_subreg if true.
10107         (emit_move_via_alt_mode): Merge into ...
10108         (emit_move_via_integer): ... here.
10109         (emit_move_ccmode): Use emit_move_change_mode directly.
10110
10111 2005-01-19  Richard Henderson  <rth@redhat.com>
10112
10113         PR target/19518
10114         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
10115         (alpha_preferred_reload_class): Handle CONST_VECTOR.
10116         (alpha_emit_set_const_1): Add no_output parameter; don't emit
10117         rtl if true.
10118         (alpha_emit_set_const): Likewise.  Make static.
10119         (alpha_emit_set_long_const): Make static.
10120         (alpha_extract_integer): Split out from alpha_expand_mov.
10121         (alpha_split_const_mov): Likewise.
10122         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
10123         (alpha_legitimate_constant_p): New.
10124         * config/alpha/alpha-protos.h: Update.
10125         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
10126         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
10127         * config/alpha/alpha.md (movsi): Add n alternative.
10128         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
10129         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
10130         (splitters for all of the above): Use alpha_split_const_mov.
10131         * config/alpha/predicates.md (non_add_const_operand): New.
10132         (non_zero_const_operand): New.
10133         (input_operand): Use alpha_legitimate_constant_p after reload.
10134
10135 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10136
10137         PR tree-optimization/19038
10138         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
10139         (add_candidate): Add ivs with increment in latch only if
10140         allow_ip_end_pos_p is true.
10141         (determine_iv_cost): Use empty_block_p.
10142
10143 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
10144
10145         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
10146         (compute_dominance_frontiers): Ditto.
10147
10148 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
10149
10150         PR target/19529
10151         * config/sh/t-rtems: New.
10152         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
10153
10154 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10155
10156         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
10157         the offset of the selected field.
10158
10159 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
10160
10161         * tree-cfg.c (remove_forwarder_block): Fix the check to
10162         prevent a nonlocal label from appearing in the middle of a
10163         basic block.
10164
10165 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
10166
10167         PR rtl-optimization/19462
10168         * reorg.c (find_end_label): Create return insn only if
10169         current_function_epilogue_delay_list is empty.
10170
10171 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
10172
10173         * doc/passes.texi: Remove paragraph mentioning new-ra.
10174
10175 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
10176
10177         PR rtl-optimization/15139
10178         * combine.c: Include params.h.
10179         (count_rtxs): New function.
10180         (record_value_for_reg): If replace_rtx would replace at least
10181         2 occurrences of REG in VALUE and TEM is really large, replace REG with
10182         (clobber (const_int 0)) instead of TEM.
10183         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
10184         * params.h (MAX_LAST_VALUE_RTL): New.
10185         * Makefile.in (combine.o): Depend on $(PARAMS_H).
10186         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
10187
10188         PR c/17297
10189         * c-typeck.c (digest_init): Only call build_vector if all constructor
10190         elements are *_CST nodes.
10191         * gimplify.c (gimplify_init_constructor): Likewise.
10192
10193         PR middle-end/19164
10194         * c-typeck.c (digest_init): Only call build_vector if inside_init
10195         is a CONSTRUCTOR.
10196
10197 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
10198
10199         * toplev.c (init_asm_output): Remove dead #ifdef.
10200
10201 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
10202
10203         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
10204
10205 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10206
10207         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
10208         accessing DECL_FUNCTION_CODE.
10209         * dojump.c (do_jump): Likewise.
10210         * gimplify.c (gimplify_call_expr): Likewise.
10211         * predict.c (expr_expected_value): Likewise.
10212         (strip_builtin_expect): Likewise.
10213         * tree-inline.c (estimate_num_insns_1): Likewise.
10214         * tree-ssa-loop-im.c (stmt_cost): Likewise
10215         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
10216         (tree_expr_nonnegative_p): Likewise.
10217
10218 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10219
10220         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
10221         variant of the load_pcrel_sym pattern.
10222         * config/sparc/sparc.md (P macro): Move to the top.
10223         (load_pcrel_sym): Macroize using P.
10224         (save_register_window): Likewise.
10225
10226 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
10227
10228         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
10229         ("sordered"): Same.
10230
10231 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
10232
10233         PR C/19472
10234         * c-typeck.c (build_asm_expr): Strip nops off
10235         input memory operands.
10236
10237 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
10238
10239         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
10240         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
10241         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
10242         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
10243
10244 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
10245
10246         PR target/19379
10247         * config/i386/i386.c (override_options): If the 80387 is disabled,
10248         then do not return FP values using FP registers.
10249
10250 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
10251
10252         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
10253         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
10254         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
10255         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
10256         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
10257         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
10258         output.h, postreload-gcse.c, postreload.c, recog.c,
10259         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
10260         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
10261         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
10262         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
10263         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
10264         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
10265         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
10266         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
10267
10268         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
10269         config/alpha/alpha.c, config/arm/vfp.md,
10270         config/i386/emmintrin.h, config/i386/i386-modes.def,
10271         config/i386/i386-protos.h, config/i386/i386.h,
10272         config/i386/pmmintrin.h, config/i386/ppro.md,
10273         config/i386/predicates.md, config/i386/xmmintrin.h,
10274         config/i860/i860.c, config/ia64/ia64-modes.def,
10275         config/ia64/ia64-protos.h, config/ia64/ia64.h,
10276         config/ia64/ia64.md, config/ia64/itanium1.md,
10277         config/ia64/itanium2.md, config/ia64/predicates.md,
10278         config/iq2000/iq2000.h, config/mips/linux64.h,
10279         config/rs6000/aix41.h, config/rs6000/aix43.h,
10280         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
10281         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
10282         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
10283         config/sparc/linux64.h, config/sparc/litecoff.h,
10284         config/sparc/sp64-elf.h, config/sparc/sparc.c,
10285         config/sparc/sparc.h, config/sparc/sparc.md,
10286         config/sparc/sysv4-only.h: Update copyright.
10287
10288 2005-01-18  Richard Henderson  <rth@redhat.com>
10289
10290         PR target/19496
10291         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
10292
10293 2005-01-18  Marc Espie  <espie@openbsd.org>
10294         * config/i386/openbsdelf.h: Typo.
10295
10296 2005-01-18  Richard Henderson  <rth@redhat.com>
10297
10298         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
10299         special case for sse.
10300         * config/i386/predicates.md (sse_comparison_operator): Likewise.
10301
10302 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
10303
10304         * tree-inline.c (estimate_num_insns_1): Added cases for
10305         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
10306
10307 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10308
10309         PR rtl-optimization/19296
10310         * combine.c (simplify_comparison): Rewrite the condition under
10311         which a non-paradoxical SUBREG of a PLUS can be lifted when
10312         compared against a constant.
10313
10314 2005-01-18  Andi Kleen <ak@muc.de>
10315
10316         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
10317         * c.opt (-Wpointer-sign): Add.
10318         * doc/invoke.texi: (-Wpointer-sign): Add.
10319
10320 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10321
10322         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
10323         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
10324         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
10325         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
10326         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
10327         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
10328         for TARGET_MIX_SSE_I387.
10329         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
10330         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
10331         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
10332         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
10333         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
10334         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
10335         TARGET_MIX_SSE_I387.
10336         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
10337         from expander.
10338
10339 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10340
10341         PR target/19424
10342         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
10343         Add movaps alternative for xmm reg->reg move.
10344
10345 2005-01-17  Jeff Law  <law@redhat.com>
10346
10347         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
10348         at the end of the main DOM loop rather than just before DOM exits.
10349
10350 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
10351
10352         PR tree-optimization/19121
10353         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
10354         adding aliases to a name tag, also add them to the pointer's
10355         type tag.
10356         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
10357         sensitive alias info at all.  Only check that the two pointers
10358         have compatible pointed-to sets.
10359         * tree-ssa.c (verify_name_tags): Verify that the alias set of
10360         a pointer's type tag is a superset of the alias set of the
10361         pointer's name tag.
10362
10363 2005-01-17  James E Wilson  <wilson@specifixinc.com>
10364
10365         PR target/19357
10366         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
10367         comment to document why.
10368
10369 2005-01-17  Richard Henderson  <rth@redhat.com>
10370
10371         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
10372         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
10373         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
10374         sse2_vmsminv2df3_finite): New.
10375         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
10376         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
10377         Force op1 into register.
10378
10379 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
10380
10381         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
10382         bubblestrap from always rebuilding build directory.
10383
10384 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
10385
10386         * config/s390/s390.md ("*clc"): Remove incorrect '='.
10387         ("*cmpmem_short"): Likewise.
10388
10389 2005-01-17  Steven Bosscher  <stevenb@suse.de>
10390
10391         * basic-block.h: Document BB_* flags.
10392         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
10393         use an sbitmap instead.
10394         * sched-rgn.c (compute_trg_info): Likewise.
10395
10396 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
10397
10398         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
10399         redundant target_cpu_default and extra_parts lines.  Use the default
10400         "from-abi" ISA.
10401         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
10402         (SUBTARGET_EXTRA_SPECS): Delete.
10403         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
10404         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
10405         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
10406         and "n32" for -mabi=n32.
10407
10408 2005-01-17  Ian Lance Taylor  <ian@airs.com>
10409
10410         PR c/5675
10411         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
10412         fold constant variables into initial values.
10413
10414 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
10415
10416         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
10417
10418         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
10419         through the statements backward.
10420
10421 2005-01-17  Ian Lance Taylor  <ian@airs.com>
10422
10423         PR middle-end/13127:
10424         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
10425         a variable set to the return value of the inlined function.
10426
10427 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
10428
10429         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
10430         when modes are tieable.
10431
10432 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
10433
10434         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
10435         of pthread_create to find out if threads are enabled.
10436         * gthr-posix95.h (__gthread_active_p): Likewise.
10437
10438 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
10439
10440         * common.opt (-fnew-ra): Remove.
10441         * ra*.*: Remove.
10442         * toplev.h (flag_new_regalloc): Remove.
10443         * Makefile.in (ra*.*): Don't mention.
10444         * passes.c (rest_of_handle_new_regalloc): Remove.
10445         (rest_of_handle_combine, rest_of_compilation): Always consider
10446         flag_new_regalloc as false.
10447         * doc/invoke.texi: Don't document -fnew-ra.
10448
10449 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
10450
10451         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
10452         last parameter to reg_scan.
10453         * loop.c (loop_optimize): Likewise.
10454         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
10455         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
10456         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
10457         rest_of_handle_gcse, rest_of_handle_loop_optimize,
10458         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
10459         * regclass.c (reg_scan): Likewise, for the declaration.
10460         * rtl.h (reg_scan): Likewise, for the prototype.
10461
10462 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
10463
10464         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
10465         mark_dfs_back_edges.
10466
10467 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
10468
10469         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
10470         (compute_avail): Uses don't go in tmp_gen.
10471
10472 2005-01-16  Steven Bosscher  <stevenb@suse.de>
10473
10474         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
10475         loop to look for a free slot in a page entry.
10476
10477 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10478
10479         PR target/16304
10480         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
10481         * toplev.c (compile_file): Call process_pending_assemble_output_defs
10482         just before targetm.asm_out.file_end.
10483         * tree.h (process_pending_assemble_output_defs): Declare.
10484         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
10485         New functions.
10486         (assemble_alias): Defer generation of assembly code for defines when
10487         TARGET_DEFERRED_OUTPUT_DEFS is true.
10488         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
10489         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
10490         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
10491
10492 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10493
10494         PR target/19336
10495         * pa.c (pa_scalar_mode_supported_p): New function.
10496         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10497         * pa.h (MIN_UNITS_PER_WORD): Add comment.
10498
10499         * pa-protos.h (prefetch_operand): Delete.
10500         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
10501         * pa.c (prefetch_operand): Delete.
10502         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
10503         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
10504         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
10505         and prefetch_nocc_operand.
10506         * pa.md (prefetch): Rework to avoid reload problems handling short
10507         displacements when a cache control completer needs to be provided.
10508         (prefetch_32, prefetch_64): Delete.
10509         (prefetch_cc, prefetch_nocc): New patterns.
10510
10511 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
10512
10513         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
10514
10515 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10516
10517         PR ada/19388
10518         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
10519         exceeds maximum alignment for global common data.
10520         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
10521         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
10522
10523 2004-01-15  Roger Sayle  <roger@eyesopen.com>
10524
10525         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
10526
10527 2004-01-15  Roger Sayle  <roger@eyesopen.com>
10528
10529         * harg-reg-set.h (reg_class_names): Prototype global array.
10530         * regclass.c (reg_class_names): Declare here and initialize to
10531         REG_CLASS_NAMES.
10532         (dump_regclass): Remove local declaration of reg_class_names.
10533         (regclass): Likewise.
10534         * cfg.c (dump_flow_info): Likewise.
10535         * ra-debug.c (reg_class_names): Likewise.
10536         * regrename.c (reg_class_names): Likewise.
10537         * reload.c (reg_class_names): Likewise.
10538         * reload1.c (spill_failure): Likewise.
10539         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
10540
10541 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
10542
10543         * config/s390/s390.md ("reload_outti"): Remove predicate for
10544         output operand.  Abort if operand is not a MEM.
10545         ("reload_outdi", "reload_outdf"): Likewise.
10546
10547 2005-01-15  Marc Espie  <espie@openbsd.org>
10548
10549         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
10550         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
10551         * config/openbsd.h:  Fix C++ includes for native configurations.
10552         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
10553         Add trampoline support.
10554         * config/i386/openbsdelf.h: New.
10555
10556 2005-01-15  Marc Espie  <espie@openbsd.org>
10557
10558         * collect2.c (main): Explicitly parse -dynamic-linker option.
10559
10560 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
10561
10562         PR tree-optimization/19060
10563         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
10564         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
10565         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
10566         and handle extract_range_from_cond returning false.
10567         * fold-const.c (fold): Optimize comparisons with min/max even for
10568         width > HOST_BITS_PER_WIDE_INT.
10569
10570 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
10571
10572         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
10573         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
10574         Remove little endian multilib variants.
10575         Add mips32 multilib variant.
10576
10577 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
10578
10579         * explow.c (copy_all_reg, stabilize): Remove.
10580         * expr.h: Remove the corresponding prototypes.
10581
10582         * rtlanal.c (regs_set_between_p): Remove.
10583         * rtl.h: Remove the corresponding prototype.
10584
10585 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
10586
10587         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
10588         to rs6000_nonimmediate_operand.
10589         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
10590         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
10591         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
10592         rs6000_nonimmediate_operand.
10593         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
10594         rs6000_nonimmediate_operand.
10595
10596 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
10597
10598         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
10599
10600 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10601
10602         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
10603         on e500v2.
10604         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
10605         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
10606
10607         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
10608         (rs6k_nonimmediate_operand): New.
10609         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
10610         correctly.
10611         (legitimate_lo_sum_address_p): Same.
10612         (rs6000_legitimize_address): Same.
10613         (rs6000_legitimize_reload_address): Same.
10614         (rs6000_legitimate_address): Same.
10615         (spe_build_register_parallel): Pass DF and DC modes in a DI
10616         register.
10617
10618         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
10619         to rs6k_nonimmediate_operand.
10620
10621         * config/rs6000/spe.md ("*frob_df_di"): New.
10622         ("*frob_di_df"): New.
10623         ("*frob_di_df_2"): New.
10624         ("*mov_sidf_e500_subreg0"): New.
10625         ("*mov_sidf_e500_subreg4"): New.
10626         ("*movdf_e500_double"): Change predicate to
10627         rs6k_nonimmediate_operand.
10628
10629 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10630
10631         * postreload.c (move2add_note_store): Only call
10632         trunc_int_for_mode on scalar integers.
10633
10634 2005-01-14  Steven Bosscher  <stevenb@suse.de>
10635
10636         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
10637         replace BB_VISITED uses.
10638         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
10639         (propagate_necessity): Check the bitmap instead of BB_VISITED.
10640         (tree_dce_done): Free visited_control_parents.
10641         (perform_tree_ssa_dce): Allocate and clear it.
10642         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
10643         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
10644         instead of BB_VISITED.
10645
10646 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
10647
10648         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
10649         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
10650         Remove unused prototypes.
10651
10652 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10653
10654         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
10655         64-bit register usage.
10656         (spe_func_has_64bit_regs_p): Add FIXME note.
10657
10658 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10659
10660         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
10661         flag_finite_math_only with flag_unsafe_math_optimizations.
10662
10663 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
10664
10665         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
10666         end-of-stack check.
10667         (__tpf_eh_return): Copy TPF private stack area from the module
10668         boundary stack frame.  Add check for when module addresses are
10669         equal, but no stub address is found.
10670
10671 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
10672
10673         PR target/7525
10674         * arm.h (struct machine_function): Add call_via field.
10675         (thumb_call_via_label): Declare.
10676         * arm.c (thumb_call_via_label): New variable.
10677         (thumb_call_reg_needed): New variable.
10678         (arm_output_function_epilogue): For Thumb code, output any per-function
10679         call-indirect trampolines.
10680         (thumb_call_via_reg): New function.
10681         (arm_file_end): New function.
10682         (TARGET_ASM_FILE_END): Call arm_file_end.
10683         (aof_file_end): Likewise.
10684         * arm-protos.h (thumb_call_via_reg): Declare.
10685         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
10686         thumb_call_via_reg in normal case.
10687
10688 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
10689
10690         PR middle-end/19084
10691         PR rtl-optimization/19348
10692         * recog.c (peephole2_optimize): Do global life update if some peephole
10693         decides it doesn't need at least one of its inputs and that change
10694         influences liveness at the start of the basic block.
10695
10696         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
10697         arguments instead of 1.
10698
10699 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
10700
10701         PR middle-end/18820
10702         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
10703         zero for nested functions needing a static chain or functions
10704         with a non-constant address.
10705
10706 2005-01-13  Roger Sayle  <roger@eyesopen.com>
10707
10708         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
10709         (and (sign_extend X) C) into (zero_extend (and X C)).
10710
10711 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
10712
10713         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
10714
10715 2005-01-13  Richard Henderson  <rth@redhat.com>
10716
10717         PR target/19009
10718         PR target/19250
10719         PR target/19252
10720         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
10721         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
10722         not just TARGET_SSE.
10723         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
10724         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
10725         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
10726         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
10727         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
10728         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
10729         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
10730         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
10731         (movdicc_c_rex64): Rename with '*'.
10732         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
10733         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
10734         (movsfcc_1_387): Rename from movsfcc_1.
10735         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
10736         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
10737         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
10738         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
10739         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
10740         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
10741         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
10742         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
10743         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
10744         sse_movdfcc_const0_4): Remove.
10745         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
10746         recognize min/max early.  Update for changed sse cmove patterns.
10747         (ix86_split_sse_movcc): New.
10748         * config/i386/i386-protos.h: Update.
10749
10750 2005-01-13  Steven Bosscher  <stevenb@suse.de>
10751
10752         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
10753         (fix_stmt_v_may_defs): Likewise.
10754
10755 2005-01-13  Richard Henderson  <rth@redhat.com>
10756
10757         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
10758         for converting the mask.
10759
10760 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
10761
10762         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
10763         definition to 600.
10764
10765 2005-01-13  Richard Henderson  <rth@redhat.com>
10766
10767         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
10768         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
10769         IX86_BUILTIN_MOVDQ2Q): Remove.
10770         (IX86_BUILTIN_VEC_EXT_V4SI): New.
10771         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
10772         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
10773         shuffling.
10774         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
10775         (sse2_pextrw): Fix immediate constraint.
10776         (sse2_loadq, sse2_loadq_rex64): Remove.
10777         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
10778         Use __builtin_ia32_vec_ext_<size>.
10779         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
10780
10781 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
10782
10783         * function.c (assign_parm_setup_block): Look inside original
10784         entry_parm when inspecting PARALLEL.
10785
10786 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
10787             Joel Sherrill  <joel@oarcorp.com>
10788
10789         PR target/19399
10790         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
10791         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
10792         rtems_gxx_recursive_mutex_init.
10793         (__gthread_recursive_mutex_lock): New function.
10794         (__gthread_recursive_mutex_trylock): Likewise.
10795         (__gthread_recursive_mutex_unlock): Likewise.
10796
10797 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
10798
10799         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
10800
10801 2005-01-13  Jan Beulich  <jbeulich@novell.com>
10802
10803         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
10804         (ashrti3_internal): Indicate output is early clobber. Generate result
10805         into output rather than first input. Use move for low word of output
10806         if shift count is exactly 64.
10807         (lshrti3_internal): Likewise.
10808
10809 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
10810
10811         PR target/18329
10812         PR target/18330
10813         * reload1.c (delete_output_reload): Don't delete an output reload
10814         if the pseudo lives longer than a single basic block.  Adjust and
10815         improve wording of comment.
10816
10817 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
10818
10819         PR target/19334
10820         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
10821         of TYPE_SIZE where we mean the number of bytes.
10822
10823 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
10824
10825         * function.c (assign_parm_setup_block): Relax condition on
10826         multi-register optimization.
10827
10828 2005-01-12  Nick Clifton  <nickc@redhat.com>
10829
10830         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
10831         an "in_delay_slot" attribute of "no" to prevent them being used in
10832         delay slots.  This is forbidden because they might generate
10833         exceptions.
10834
10835 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
10836
10837         PR target/19389
10838         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
10839         with r->Y and Y->r.
10840
10841 2005-01-12  Nick Clifton  <nickc@redhat.com>
10842
10843         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
10844         passed on to GAS) but do not define, as GAS no longer supports or
10845         needs the -m2000 option.
10846
10847 2005-01-11  Roger Sayle  <roger@eyesopen.com>
10848
10849         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
10850         type as args of unprototyped builtins aren't automatically promoted.
10851         (fold_builtin_abs): Likewise.
10852
10853 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10854
10855         * Makefile.in: Set a `build-warn' variable.
10856
10857 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
10858
10859         PR tree-optimization/17949
10860         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
10861         (find_interesting_uses_address): Use it.
10862
10863 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
10864
10865         * regrename.c (kill_value): Handle subreg's that won't simplify.
10866
10867 2005-01-11  Richard Henderson  <rth@redhat.com>
10868
10869         PR target/13366
10870         * config/i386/i386.h (enum ix86_builtins): Move ...
10871         * config/i386/i386.c: ... here.
10872         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
10873         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
10874         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
10875         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
10876         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
10877         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
10878         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
10879         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
10880         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
10881         IX86_BUILTIN_LOADDDUP): Remove.
10882         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
10883         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
10884         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
10885         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
10886         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
10887         (ix86_init_builtins): Make static.
10888         (ix86_init_mmx_sse_builtins): Update for changed builtins.
10889         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
10890         if all the modes match.  Otherwise, fake it.
10891         (get_element_number, ix86_expand_vec_init_builtin,
10892         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
10893         (ix86_expand_builtin): Make static.  Update for changed builtins.
10894         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
10895         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
10896         (ix86_expand_vector_init_duplicate): New.
10897         (ix86_expand_vector_init_low_nonzero): New.
10898         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
10899         Split out from ix86_expand_vector_init; handle integer modes.
10900         (ix86_expand_vector_init): Use them.
10901         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
10902         * config/i386/i386-protos.h: Update.
10903         * config/i386/predicates.md (reg_or_0_operand): New.
10904         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
10905         (movv2sf_internal): Likewise.  And a splitter to match them all.
10906         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
10907         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
10908         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
10909         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
10910         (mmx_pinsrw): Fix operand ordering.
10911         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
10912         rather than sse_loadss expander.
10913         (movv2df splitter): Similarly.
10914         (sse_loadss, sse_loadlss): Remove.
10915         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
10916         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
10917         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
10918         (sse3_movddup): Rename with '*'.
10919         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
10920         (sse2_loadsd): Remove.
10921         (vec_dupv2df_sse3): Rename from sse3_loadddup.
10922         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
10923         (sse2_pinsrw): Fix argument ordering.
10924         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
10925         (sse2_stored): Remove 'r' destination.
10926         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
10927         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
10928         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
10929         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
10930         vec_extractv16qi, vec_initv16qi): New.
10931
10932         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
10933         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
10934         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
10935         constructor form.
10936         (_mm_load_pd, _mm_store_pd): Use plain dereference.
10937         (_mm_load_si128, _mm_store_si128): Likewise.
10938         (_mm_load1_pd): Use _mm_set1_pd.
10939         (_mm_load_sd): Use _mm_set_sd.
10940         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
10941         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
10942         (_mm_set_epi64): Use _mm_set_epi64x.
10943         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
10944         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
10945         _mm_setr_epi8): Use _mm_set_foo form.
10946         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
10947         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
10948         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
10949         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
10950         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
10951         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
10952         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
10953         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
10954         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
10955         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
10956         (_mm_movedup_pd): Use _mm_shuffle_pd.
10957         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
10958         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
10959         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
10960         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
10961         Use _mm_setzero_ps.
10962         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
10963         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
10964         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
10965         (_mm_store_ps): Use raw dereference.
10966         (_mm_store1_ps): Use _mm_storeu_ps.
10967         (_mm_storer_ps): Use _mm_store_ps.
10968         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
10969         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
10970
10971 2005-01-11  Stan Shebs  <shebs@apple.com>
10972
10973         * config/rs6000/rs6000.c (machopic_output_stub): Issue
10974         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
10975
10976 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
10977
10978         PR target/18761
10979         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
10980         Skip all DECLs except for FIELD_DECLs.
10981
10982 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
10983
10984         * config/s390/s390.c (override_options): Return error if
10985         -mbackchain, -mpacked-stack and -mhard-float are used together.
10986         (s390_va_start): Remove the backchain && packed-stack special case.
10987         (s390_gimplify_va_arg): Likewise.
10988         * doc/invoke.texi: Remove the ABI incompatibility note.
10989
10990 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
10991
10992         * config/s390/s390.c (struct s390_frame_layout): Remove
10993         save_backchain_p.
10994         (s390_frame_info, s390_emit_prologue): Replace occurrences of
10995         save_backchain_p with TARGET_BACKCHAIN.
10996
10997 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
10998
10999         PR target/18916
11000         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
11001         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
11002         * function.c (locate_and_pad_parm): Set new field.
11003         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
11004         Tweak where_pad test to include "none".  Always set mem align for
11005         stack_parm.
11006         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
11007         not sufficient for type.
11008         (assign_parm_setup_block): If stack_parm is zero on entry, always
11009         make a new stack local.  Block move old stack parm if necessary
11010         to new aligned stack local.
11011         (assign_parm_setup_stack): Use a block move to handle
11012         potentially misaligned entry_parm.
11013         (assign_parms_unsplit_complex): Specify required alignment when
11014         creating stack local.
11015         * calls.c (compute_argument_addresses): Override alignment of stack
11016         arg calculated from its type with the alignment given by
11017         FUNCTION_ARG_BOUNDARY.
11018         (store_one_arg): Likewise.
11019
11020 2005-01-11  Jan Beulich  <jbeulich@novell.com>
11021
11022         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
11023         Change respective itanium_class attribute to ialu.
11024         (shladdp4_internal): New.
11025         * config/ia64/predicates.md (shladd_log2_operand): New.
11026
11027 2005-01-11  Richard Henderson  <rth@redhat.com>
11028
11029         * expr.c (store_constructor): Use rtvec_alloc instead of
11030         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
11031
11032 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
11033
11034         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
11035
11036 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11037
11038         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
11039         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
11040         (TARGET_RWRELOC): Define.
11041         (ia64_rwreloc_section_type_flags): Delete.
11042         (ia64_section_type_flags): New function.
11043         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
11044         (TARGET_RWRELOC): Define.
11045
11046 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
11047
11048         PR target/18987
11049         * config/ia64/ia64.c (process_set): For alloc insn, only call
11050         process_epilogue is !frame_pointer_needed.
11051
11052 2005-01-10  Roger Sayle  <roger@eyesopen.com>
11053
11054         PR c++/19355
11055         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
11056         unary operator and can't be treated as a binary/comparison operator.
11057
11058 2005-01-10  Richard Henderson  <rth@redhat.com>
11059
11060         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
11061         (ix86_return_in_memory): Likewise.
11062         (function_arg_advance):  Likewise.  Mirror structure in function_arg
11063         for choosing register to advance.
11064
11065 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
11066
11067         * tree-vectorizer.c, tree.def: Fix comment typos.
11068
11069 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
11070
11071         * config/s390/s390.c (struct processor_costs): 4 new fields:
11072         ddbr, ddr, debr, der.
11073         (s390_rtx_costs): More precise handling of divide instructions.
11074
11075 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
11076
11077         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
11078
11079 2005-01-10  Jan Beulich  <jbeulich@novell.com>
11080
11081         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
11082         names resulting from -ffunction-sections/-fdata-sections and linkonce
11083         ones.
11084         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
11085         based on the section name. Rearrange the section name comparison logic
11086         slightly so that each section name is compared against at most once.
11087
11088 2005-01-10  Ben Elliston  <bje@au.ibm.com>
11089
11090         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
11091         targets for which -fPIC reduces limitations on the GOT size.
11092
11093 2005-01-09  Falk Hueffner  <falk@debian.org>
11094
11095         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
11096         X/C1 cmpop C2.
11097
11098 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
11099
11100         PR target/18720
11101         * collect2.c (main): Set aixrtl_flag for -brtl option.
11102         (resolve_lib_name): Search for .so file extension before .a
11103         if aixrtl_flag set.
11104
11105 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
11106
11107         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
11108         (vect_analyze_data_refs_alignment): Add dump prints.
11109
11110 2005-01-09  Ira Rosen  <irar@il.ibm.com>
11111
11112         * tree-vectorizer.c (vect_analyze_offset_expr): Use
11113         expr_invariant_in_loop_p.
11114         Initialize outputs first thing in the function.
11115         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
11116         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
11117         (vect_analyze_pointer_ref_access): Check that the initial condition of
11118         the access function is loop invariant.
11119
11120 2005-01-09  Richard Henderson  <rth@redhat.com>
11121
11122         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
11123         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
11124         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
11125         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
11126         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
11127         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
11128         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
11129         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
11130         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
11131         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
11132         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
11133         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
11134         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
11135         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
11136         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
11137         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
11138         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
11139         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
11140         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
11141         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
11142         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
11143         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
11144         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
11145         mmx_ prefix.
11146         (mmx_clrdi, pavgusb): Remove.
11147         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
11148         with leading sse_ prefix.
11149         * config/i386/sse.md: Receive them.
11150         * config/i386/mmx.md: New file.
11151         (MMXMODE12, MMXMODE24, mmxvecsize): New.
11152         (subrv2sf3): Turn into expander for normal subtraction.
11153         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
11154         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
11155         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
11156         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
11157         commutative; use ix86_binary_operator_ok.
11158         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
11159         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
11160         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
11161         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
11162         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
11163         Macroize from existing patterns; use ix86_binary_operator_ok.
11164         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
11165         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
11166         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
11167         with vec_select+vec_concat.
11168         (mmx_pshufw, mmx_pshufw_1): Likewise.
11169         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
11170         (mmx_uavgv4hi3): Model correctly.
11171         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
11172         _mm_xor_si64): Remove casts.
11173
11174 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
11175
11176         PR tree-optimization/19224
11177         * tree-scalar-evolution.c (get_instantiated_value,
11178         set_instantiated_value): New functions.
11179         (instantiate_parameters_1): Cache the results.
11180         (instantiate_parameters, resolve_mixers): Initialize and free
11181         the cache.
11182
11183 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
11184
11185         * config/i386/i386.md (addhi_4): Correct reference in comment.
11186         (addqi_4): Same.
11187
11188 2005-01-08  Richard Henderson  <rth@redhat.com>
11189
11190         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
11191         (_mm_cvtsi128_si64x): Likewise.
11192         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
11193         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
11194         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
11195         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
11196         * config/i386/i386-protos.h: Update.
11197         * config/i386/i386.c (print_operand): Add 'H'.
11198         (ix86_fixup_binary_operands): Split out from ...
11199         (ix86_expand_binary_operator): ... here.
11200         (ix86_fixup_binary_operands_no_copy): New.
11201         (ix86_expand_fp_absneg_operator): Handle vector mode results.
11202         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
11203         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
11204         (safe_vector_operand): Use CONST0_RTX.
11205         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
11206         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
11207         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
11208         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
11209         special cases.
11210         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
11211         (IX86_BUILTIN_CMPNGESS): New.
11212         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
11213         (attr type): Add sselog1.
11214         (attr unit, attr memory): Handle it.
11215         (movti, movti_internal, movti_rex64): Move near other integer moves.
11216         (movtf, movtf_internal): Move near other fp moves.
11217         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
11218         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
11219         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
11220         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
11221         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
11222         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
11223         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
11224         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
11225         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
11226         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
11227         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
11228         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
11229         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
11230         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
11231         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
11232         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
11233         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
11234         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
11235         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
11236         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
11237         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
11238         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
11239         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
11240         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
11241         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
11242         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
11243         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
11244         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
11245         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
11246         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
11247         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
11248         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
11249         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
11250         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
11251         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
11252         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
11253         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
11254         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
11255         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
11256         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
11257         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
11258         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
11259         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
11260         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
11261         same time.
11262         (SSEPUSH, push<SSEPUSH>): Remove.
11263         (MMXPUSH, push<MMXPUSH>): Remove.
11264         (sse_movaps, sse_movaps_1, sse_movups): Remove.
11265         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
11266         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
11267         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
11268         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
11269         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
11270         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
11271         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
11272         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
11273         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
11274         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
11275         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
11276         (ppro_sse_log_V4SF): Handle sselog1.
11277         * config/i386/predicates.md (const_0_to_1_operand): New.
11278         (const_0_to_255_mul_8_operand): New.
11279         (const_1_to_31_operand): Rename from const_int_1_31_operand.
11280         (const_2_to_3_operand, const_4_to_7_operand): New.
11281         * config/i386/sse.md: New file.
11282         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
11283         (sse_movups): Rename from sse_movups_1.
11284         (sse_loadlss): Rename from sse_loadss_1.
11285         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
11286         from the name.
11287         (negv4sf2): Use ix86_expand_fp_absneg_operator.
11288         (absv4sf2, negv2df, absv2df): New.
11289         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
11290         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
11291         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
11292         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
11293         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
11294         (sse3_addsubv4sf3): Model correctly.
11295         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
11296         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
11297         (sse_movhlps): Model with vec_select+vec_concat.
11298         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
11299         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
11300         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
11301         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
11302         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
11303         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
11304         sse2_pshufhw_1): Likewise.
11305         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
11306         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
11307         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
11308         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
11309         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
11310         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
11311         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
11312         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
11313         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
11314         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
11315         sminv8hi3): Mark commutative
11316         operands.  Use ix86_binary_operator_ok.
11317         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
11318         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
11319         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
11320         sse2_punpcklqdq): Allow operand2 in memory.
11321         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
11322         sse2_movsd): Add memory alternatives.
11323         (sse_storelps): Turn expander into an insn; split after reload.
11324         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
11325         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
11326
11327 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
11328
11329         * configure.ac (DWARF-2 debug_line): Use objdump.
11330         * configure: Regenerate.
11331
11332 2005-01-08  Jeff Law  <law@redhat.com>
11333             Diego Novillo  <dnovillo@redhat.com>
11334
11335         PR tree-optimization/18241
11336         * tree-nrv.c (tree_nrv): Ignore volatile return values.
11337         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
11338         statements with volatile operands.
11339         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
11340         operands after marking a statement with has_volatile_ops.
11341
11342 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11343
11344         * tree.c (int_fits_type_p): Always honor integer constant
11345         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
11346
11347 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11348
11349         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
11350         the latent bug in rtl_delete_block has been resolved.
11351
11352 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
11353
11354         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
11355         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
11356
11357 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
11358
11359         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
11360         library as @multilib_dir@/$(SHLIB_SONAME).
11361
11362 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
11363
11364         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
11365         * configure: Regenerate.
11366
11367 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
11368
11369         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
11370         TYPE_MODE.
11371
11372 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
11373
11374         PR target/13674
11375         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
11376         Convert non-word aligned offset address using ld/std into
11377         indirect address.
11378
11379 2005-01-07  Richard Henderson  <rth@redhat.com>
11380
11381         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
11382
11383 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
11384
11385         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
11386
11387 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
11388
11389         PR tree-optimization/19283
11390         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
11391         is not shorter than the original type.
11392
11393         PR rtl-optimization/19012
11394         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
11395
11396         PR rtl-optimization/18861
11397         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
11398         (FULL_STATE): Define.
11399         (mark_tablejump_edge): New function.
11400         (purge_dead_tablejump_edges): New function.
11401         (find_bb_boundaries): Use it.
11402
11403         PR tree-optimization/18828
11404         * builtins.c (expand_builtin_next_arg): Remove argument and all
11405         the argument checking.
11406         (expand_builtin): Adjust caller.
11407         (expand_builtin_va_start): Likewise.  Remove error for too many
11408         arguments.
11409         (fold_builtin_next_arg): Issue error for too many arguments.
11410         After checking arguments, replace them with magic arguments that
11411         prevent further checking of the args.
11412
11413 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11414
11415         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
11416
11417 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11418
11419         PR target/6077
11420         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
11421         and %{.S:...} (and their negative variants) to test whether the
11422         input file is assembler or pre-processed-assembler independent of
11423         the actual filename extension.
11424
11425 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11426
11427         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
11428         of sign or zero extended values.
11429
11430 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
11431
11432         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
11433         for IBM long double format correctly.
11434
11435 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
11436
11437         Fix PR tree-optimization/18792
11438
11439         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
11440         to first_loop_depth, and use loop depth instead of loop number.
11441         (build_classic_dir_vector): Ditto.
11442         (compute_data_dependences_for_loop): Use depth, not loop number.
11443         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
11444         number. Pass in loops, instead of loop numbers.
11445         (gather_interchange_stats): Ditto.
11446         (linear_transform_loops): Ditto.
11447
11448 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
11449
11450         PR rtl-opt/13299
11451         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
11452         biv_fits_mode_p, extension_within_bounds_p): New functions.
11453         (check_ext_dependent_givs): Use them.
11454
11455 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11456
11457         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
11458         more than one barrier, in which case we should delete them all.
11459
11460 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
11461
11462         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
11463
11464 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
11465
11466         Fix PR middle-end/19286
11467         Fix PR debug/19267
11468         * dwarf2out.c (gen_subprogram_die): If we've already tried to
11469         output this subprogram, simply ignore this attempt to do it again.
11470         (add_abstract_origin_attribute): Don't abort trying to add the abstract
11471         origin attribute if it's not possible.
11472         (gen_block_die): Don't ignore subblocks of "unused" blocks.
11473         (decls_for_scope): Ditto.
11474         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
11475         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
11476
11477 2005-01-05  Richard Henderson  <rth@redhat.com>
11478
11479         PR target/11327
11480         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
11481         (bdesc_2arg): Use it.
11482         (ix86_expand_binop_builtin): Force operands into registers
11483         when optimizing.
11484         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
11485         ix86_expand_sse_compare, ix86_expand_sse_comi,
11486         ix86_expand_builtin): Likewise.
11487
11488 2005-01-05  Richard Henderson  <rth@redhat.com>
11489
11490         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
11491         and VEC_SELECT.
11492         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
11493         (mulv4hi3): Set itanium_class mmmul.
11494         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
11495         (fpack): Rename from fpack_sfsf.
11496
11497 2005-01-05  Richard Henderson  <rth@redhat.com>
11498
11499         PR rtl-opt/10692
11500         * reload1.c (do_input_reload): Restrict the optimization deleteing
11501         a previous output reload to RELOAD_FOR_INPUT.
11502
11503 2005-01-05  Steven Bosscher  <stevenb@suse.de>
11504
11505         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
11506         comment that we fall through after case.
11507         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
11508         (distribute_links): Likewise.
11509         * cse.c (cse_insn): Likewise.
11510         * cselib.c (cselib_invalidate_mem): Likewise.
11511         * df.c: Update comments at the top of the file.
11512         (read_modify_subreg_p): Update comments here too.
11513         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
11514         * flow.c (mark_set_1): Likewise.
11515         (mark_used_regs): Likewise.
11516         * gcse.c (mems_conflict_for_gcse_p): Likewise.
11517         (canon_list_insert): Likewise.
11518         (mark_set): Likewise.
11519         (try_replace_reg): Likewise.
11520         (store_killed_in_insn): Likewise.
11521         * loop.c (count_one_set): Likewise.
11522         (basic_induction_var): Likewise.
11523         * postreload-gcse.c (find_mem_conflicts): Likewise.
11524         * postreload.c (reload_combine_note_store): Likewise.
11525         (move2add_note_store): Likewise.
11526         * reload.c (find_equiv_reg): Likewise.
11527         (mark_referenced_resources): Likewise.
11528         * rtlanal.c (set_noop_p): Likewise.
11529         (note_stores): Likewise.
11530         (note_uses): Likewise.
11531         * sched-deps.c (sched_analyze_1): Likewise.
11532         * sched-rgn.c (check_live_1): Likewise.
11533         (update_live_1): Likewise.
11534         * config/i860/i860.c: Likewise.
11535
11536         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
11537         an lvalue.
11538         (ZERO_EXTRACT): Mention that this one can be an lvalue.
11539
11540         * doc/rtl.texi: Update documentation for bit-fields and SET.
11541
11542 2005-01-05  Roger Sayle  <roger@eyesopen.com>
11543
11544         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
11545
11546 2005-01-05  Jan Hubicka  <jh@suse.cz>
11547             Richard Henderson  <rth@redhat.com>
11548
11549         PR target/18910
11550         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
11551         with an offset.
11552
11553 2005-01-05  Richard Henderson  <rth@redhat.com>
11554
11555         PR target/12902
11556         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
11557         (sse_shufps): Change operand 3 to const_int_operand.
11558         (sse2_storelps): Fix typo in template.
11559         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
11560         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
11561         (ix86_expand_builtin): Likewise.
11562
11563 2005-01-05  Julian Brown  <julian@codesourcery.com>
11564
11565         * config/arm/arm.c (arm_return_in_memory): Treat complex types
11566         as aggregates for AAPCS ABIs.
11567
11568 2005-01-05  Stan Shebs  <shebs@apple.com>
11569
11570         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
11571         Mach-O getters if ppc64.
11572         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
11573         size argument.
11574         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
11575         signed four-byte field for global code case.
11576         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
11577
11578 2005-01-05  Roger Sayle  <roger@eyesopen.com>
11579
11580         PR middle-end/19100
11581         * c-common.c: Include real.h.
11582         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
11583         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
11584         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
11585         * Makefile.in (c-common.o): Update dependencies.
11586
11587 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
11588
11589         * c-parse.in (asm_string): Add trailing semicolon.
11590
11591 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
11592
11593         * c-parse.in (asm_string): New.  Don't allow wide strings in
11594         'asm'.
11595         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
11596         asm_string instead of STRING.
11597
11598 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
11599
11600         * c-typeck.c (constructor_no_implicit): Remove.
11601         (set_designator, process_init_element): Don't check
11602         constructor_no_implicit.
11603
11604 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
11605             Kaz Kojima  <kkojima@gcc.gnu.org>
11606
11607         PR target/16482
11608         * lcm.c (create_pre_exit): New.
11609         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
11610         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
11611
11612 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
11613
11614         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
11615         -msoft-float in target_float_switch.
11616         * arm.c (arm_override_options): Fix processing of target_float_switch.
11617
11618 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
11619
11620         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
11621         preferencing.
11622
11623 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
11624
11625         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
11626         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
11627
11628 2005-01-04  Roger Sayle  <roger@eyesopen.com>
11629
11630         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
11631         if deleting the then-block allows the test-block to fallthru to the
11632         else-block.
11633
11634 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
11635
11636         PR c/19152
11637         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
11638         after the full declaration if the are in two different TUs.
11639
11640 2005-01-04  Richard Henderson  <rth@redhat.com>
11641
11642         PR tree-opt/19158
11643         * tree-sra.c (generate_one_element_init): Just
11644         call gimplify_and_add.
11645         (generate_element_init): Record the
11646         new referenced variables and mark them for renaming
11647         and split out to ...
11648         (generate_element_init_1): This.
11649         (scalarize_init): Don't call push_gimplify_context/
11650         pop_gimplify_context.
11651
11652 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
11653
11654         * toplev.c (get_src_pwd): Handle failure of getpwd().
11655
11656 2005-01-04  Roger Sayle  <roger@eyesopen.com>
11657
11658         * fold-const.c (fold_single_bit_test): Delete unreachable handling
11659         of TRUTH_NOT_EXPR.
11660         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
11661         all the cases handled by it are inverted by invert_truthvalue.
11662
11663 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11664
11665         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
11666         (save_register_windowsi): Likewise.
11667
11668 2005-01-04  Richard Henderson  <rth@redhat.com>
11669
11670         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
11671
11672 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
11673
11674         PR middle-end/17767
11675         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
11676         any simplifications of vector mode comparison operators.
11677         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
11678
11679 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
11680             Devang Patel  <dpatel@apple.com>
11681
11682         PR tree-optimization/18308
11683         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
11684         the operands before creating a new expression.
11685         * dojump.c (do_jump): Make drop_through_label available
11686         for all cases.  Add expansion of COND_EXPR.
11687
11688 2005-01-04  Ira Rosen  <irar@il.ibm.com>
11689
11690         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
11691         INTEGER_CST instead of TREE_CONSTANT.
11692         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
11693         instead of TREE_CONSTANT.
11694         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
11695         instead of TREE_CONSTANT.
11696
11697 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11698
11699         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
11700
11701 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
11702
11703         PR target/19240
11704         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
11705         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
11706
11707 2005-01-03  Richard Henderson  <rth@redhat.com>
11708
11709         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
11710         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
11711         fold_convert_const_real_from_real): Split out from ...
11712         (fold_convert_const): ... here.
11713
11714 2005-01-03  Richard Henderson  <rth@redhat.com>
11715
11716         PR target/19235
11717         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
11718         (mov<MMXMODEI>_internal): Likewise.
11719         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
11720         Add V2SF case; use it for SSE1; don't use TI.
11721         (movdf_integer): Likewise.
11722         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
11723
11724 2005-01-03  Ira Rosen  <irar@il.ibm.com>
11725
11726         * tree-vectorizer.c (vect_strip_conversions): New function.
11727         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
11728         check for binary class.
11729
11730 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
11731
11732         Fix PR debug/17924
11733         Fix PR debug/19191
11734         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
11735         is a decl.
11736         * gimple-low.c (mark_blocks_with_used_vars): New function.
11737         (mark_blocks_with_used_subblocks): Ditto.
11738         (mark_used_blocks): Ditto.
11739         (pass_mark_used_blocks): New pass.
11740         * tree-inline.c: Include debug.h.
11741         (expand_call_inline): Call outlining_inline_function here.
11742         * tree-optimize.c (init_tree_optimization_passes): Add
11743         pass_mark_used_blocks.
11744         * tree-pass.h (pass_mark_used_blocks): New.
11745         * Makefile.in (tree-inline.o): Add debug.h dependency.
11746
11747 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
11748
11749         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
11750         VAR_DECLs to have weak_import attribute.
11751
11752         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
11753         'struct ucontext'.
11754
11755 2004-01-03  Steven Bosscher  <stevenb@suse.de>
11756
11757         * passes.c (rest_of_compilation): Don't run regmove if only
11758         flag_expensive_optimizations, require flag_regmove instead.
11759
11760 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
11761
11762         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
11763         register "sparc".
11764         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
11765         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11766         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
11767         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11768
11769 2005-01-03  Richard Henderson  <rth@redhat.com>
11770
11771         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
11772         (ia64_const_ok_for_letter_p): New.
11773         (ia64_const_double_ok_for_letter_p): New.
11774         (ia64_extra_constraint): New.
11775         (ia64_expand_vecint_compare): New.
11776         (ia64_expand_vcondu_v2si): New.
11777         (ia64_expand_vecint_cmov): New.
11778         (ia64_expand_vecint_minmax): New.
11779         (ia64_print_operand): Add 'v'.
11780         (ia64_preferred_reload_class): New.
11781         (ia64_vector_mode_supported_p): New.
11782         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
11783         (PREFERRED_RELOAD_CLASS): Move to function.
11784         (CONST_OK_FOR_LETTER_P): Move to function.
11785         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
11786         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
11787         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
11788         (EXTRA_CONSTRAINT): Move to function.
11789         * config/ia64/ia64.md: Include vect.md.
11790         (itanium_class): Add mmalua.
11791         (type): Handle it.
11792         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
11793         (1b_mmalua): New.
11794         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
11795         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
11796         CONST0_RTX.
11797         (const_int_2bit_operand): New.
11798         (fr_reg_or_0_operand): New.
11799         * config/ia64/ia64-modes.def: Add vector modes.
11800         * config/ia64/ia64-protos.h: Update.
11801         * config/ia64/vect.md: New file.
11802
11803 2005-01-03  Richard Henderson  <rth@redhat.com>
11804
11805         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
11806
11807 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
11808
11809         PR target/19236
11810         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
11811         to SFmode.
11812         (log1pdf2): Change mode of operands[0,1] to DFmode.
11813
11814 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
11815
11816         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
11817         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
11818         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
11819         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
11820         SPARC_RELAXED_ORDERING.
11821
11822 2005-01-03  Richard Henderson  <rth@redhat.com>
11823             Uros Bizjak  <uros@kss-loka.si>
11824
11825         PR target/14631
11826         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
11827         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
11828         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
11829         handling.
11830         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
11831         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
11832         const_pow2_1_to_128_operand): New predicates.
11833
11834 2005-01-02  Greg McGary  <greg@mcgary.org>
11835
11836         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
11837         anonymous decls.
11838         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
11839         object.  [ptr_type]: Remove unused variable.
11840         Remember nearest addressable array-element or record-component
11841         when checking bitfield components.  Tolerate empty BIND_EXPR.
11842
11843 2005-01-01  Richard Henderson  <rth@redhat.com>
11844
11845         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
11846         that don't narrow the value.  Fail for other conversions.
11847
11848 2005-01-01  Richard Henderson  <rth@redhat.com>
11849
11850         PR c/19031
11851         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
11852         * c-lang.c (finish_file): Don't do it here.
11853         * objc/objc-act.c (objc_finish_file): Likewise.
11854
11855         * cgraph.c (decl_assembler_name_equal): New.
11856         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
11857         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
11858         * cgraph.h (struct cgraph_varpool_node): Add next.
11859         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
11860         * varasm.c (assemble_alias): Mark the target as needed.
11861
11862 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
11863
11864         PR middle-end/19221
11865         * function.c (get_arg_pointer_save_area): Use entry_of_function
11866         instead of get_insns.
11867
11868 2005-01-01  Roger Sayle  <roger@eyesopen.com>
11869             Andrew Pinski  <pinskia@physics.uc.edu>
11870             James E. Wilson  <wilson@specifixinc.com>
11871
11872         PR rtl-optimization/12092
11873         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
11874         is zero.
11875
11876 2005-01-01  Roger Sayle  <roger@eyesopen.com>
11877             Olivier Hainque  <hainque@act-europe.fr>
11878
11879         * tree.c (int_fits_type_p): A narrower type always fits in a
11880         wider one, except for negative values into unsigned types.
11881
11882 2005-01-01  Roger Sayle  <roger@eyesopen.com>
11883
11884         * tree.c (int_fits_type_p): Compare the result of force_fit_type
11885         with the original constant rather than require TREE_OVERFLOW.
11886
11887 2005-01-01  Steven Bosscher  <stevenb@suse.de>
11888
11889         PR middle-end/17544
11890         * c-decl.c (finish_function): If compiling C99, annotate the
11891         compiler generated return with the current file name and line 0.
11892         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
11893         the source line is greater than 0.
11894         (remove_bb): Likewise.