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2005-04-13 Dale Johannesen <dalej@apple.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-04-13  Dale Johannesen  <dalej@apple.com>
2
3         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
4         (objc-act.o):  Ditto.
5         * objc/objc-act.c (objc_gimplify_expr):  New.
6         (objc_get_callee_fndecl):  New.
7         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
8         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
9         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
10
11 2005-04-13  Devang Patel  <dpatel@apple.com>
12
13         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
14         temp variables.
15         
16 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
17
18         CRIS prologue as RTL.
19         * config/cris/cris-protos.h (cris_emit_movem_store)
20         (cris_expand_prologue): Prototype.
21         * config/cris/cris.c (struct machine_function): New member
22         stdarg_regs.
23         (cfa_label_num, cris_target_asm_function_prologue): Remove.
24         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
25         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
26         (cris_load_multiple_op, cris_return_address_on_stack)
27         (cris_return_address_on_stack_for_return): ISO-Cify.
28         (cris_store_multiple_op): New predicate function.
29         (cris_expand_prologue, cris_emit_movem_store): New functions.
30         (cris_print_operand) <case 'O'>: Handle modifications other than
31         post-increment.
32         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
33         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
34         (cris_gen_movem_load): Rearrange slightly to make local variable
35         src a parameter, removing osrc.
36         (cris_setup_incoming_varargs): Set machine_function member
37         stdarg_regs to correspond to the number of registers that need to
38         be saved.
39         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
40         CRIS_UNSPEC_GOT.
41         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
42         cris_general_operand_or_gotless_symbol accept UNSPEC.
43         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
44         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
45         ("*cris_store_multiple"): New pattern.  Tweak common comment above
46         this and "*cris_load_multiple".
47         ("prologue"): New define_expand.
48
49         * config/cris/cris.md ("epilogue"): Conditionalize on
50         TARGET_PROLOGUE_EPILOGUE.
51
52 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
53
54         PR target/20924
55         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
56         fpsr 0 instead of fpsr 1.
57         (divsf3_internal_thr): Ditto.
58         (divdf3_internal_lat): Ditto.
59         (divdf3_internal_thr): Ditto.
60         (divxf3_internal_lat): Ditto.
61         (divxf3_internal_thr): Ditto.
62
63 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
64
65         PR tree-optimization/20913
66         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
67
68         PR tree-optimization/20702
69         * tree-vrp.c (maybe_add_assert_expr): Recurse into
70         dominator children that haven't been walked into.
71
72 2005-04-13  Julian Brown  <julian@codesourcery.com>
73
74         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
75         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
76         is true. 
77
78 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
79
80         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
81         config/i386/sse.md: Fix comment typos.
82
83         * genattrtab.c (NULL_ATTR): Remove.
84         * ifcvt.c (NULL_EDGE): Likewise.
85
86         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
87
88         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
89         NOTE_PREDICT): Remove.
90
91 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
92
93         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
94         * configure: Regenerate.
95         * config.in: Likewise.
96         * system.h: Declare vsnprintf if not already declared.
97
98 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
99
100         * optc-gen.awk: Handle stand-alone Mask records.
101         * opth-gen.awk: Likewise.
102         * doc/options.texi (Option file format): Document them.
103         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
104         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
105         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
106         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
107         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
108         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
109         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
110         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
111         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
112         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
113         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
114         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
115         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
116         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
117         TARGET_LONG_DOUBLE_128): Likewise.
118         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
119         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
120         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
121         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
122         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
123         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
124         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
125         * config/sparc/sparc.c (fpu_option_set): New global.
126         (sparc_handle_option): New function.
127         (sparc_override_options): Test fpu_option_set.
128         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
129         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
130         * config/sparc/sparc.opt: New file.
131         * config/sparc/little-endian.opt: Likewise.
132         * config/sparc/long-double-switch.opt: Likewise.
133
134 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
135
136         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
137         (bfin_handle_options): Set it if -mshared-library-id= is seen.
138         * config/bfin/bfin.opt (mshared-library-id=): Lose
139         Var(bfin_lib_id_given).
140
141 2005-04-13  Matt Thomas  <matt@3am-software.com>
142  
143         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
144         defining.
145
146 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
147
148         * rtl.h (CLEAR_RTX_FLAGS): Remove.
149
150         * cgraphunit.c (INSNS_PER_CALL): Remove.
151
152         * tree-ssa-forwprop.c (vars,
153         record_single_argument_cond_exprs,
154         substitute_single_use_vars): Remove.
155         (forward_propagate_into_cond_1, forward_propagate_into_cond):
156         New.
157         (tree_ssa_forward_propagate_single_use_vars): Call
158         forward_propagate_into_cond for each COND_EXPR.
159
160         * tree-inline.c (INSNS_PER_STMT): Remove.
161
162 2005-04-12  Richard Henderson  <rth@redhat.com>
163
164         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
165         (ix86_expand_sse_fp_minmax): ... from ... 
166         (ix86_expand_fp_movcc): ... here.
167         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
168         * config/i386/i386-protos.h: Update.
169         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
170         (sse_setccsf, sse_setccdf): Allow before reload.
171         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
172         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
173         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
174         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
175         (anddf3, nanddf3, iordf3, xordf3): New.
176
177 2005-04-12  Jeff Law  <law@redhat.com>
178
179         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
180         (tree-ssa-uncprop.o): Add dependencies.
181         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
182         * tree-flow.h (remove_useless_stmts): Remove prototype.
183         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
184         remove_useless_stmts.
185         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
186         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
187         * tree-pass.h (pass_uncprop): Declare.
188         * tree-ssa-uncprop.c: New file.
189
190 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
191
192         PR target/20670
193         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
194
195 2005-04-12  Caroline Tice  <ctice@apple.com>
196
197         Temporary fix for partitioning problems.
198         * passes.c (rest_of_handle_final): Remove code that 
199         frees unlikely_text_section_name,
200         * varasm.c (assemble_start_function): Test for partitioning
201         flag before writing out section labels.
202         (assemble_end_function): Test for partitioning flag before
203         writing out section labels.
204         
205 2005-04-12  Steven Bosscher  <stevenb@suse.de>
206             Stuart Hastings <stuart@apple.com>
207             Jan Hubicka  <jh@suse.cz>
208
209         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
210         references to gt-tree-cfg.h.
211         * basic-block.h (struct basic_block_def): Don't skip rbi
212         for garbage collection.
213         (struct reorder_block_def): Make GTY-able.
214         (struct control_flow_graph): New structure.
215         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
216         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
217         but instead defines to the control_flow_graph for cfun.
218         (label_to_block_map): New define, points to the label map of
219         the control_flow_graph for cfun.
220         (n_edges_for_function, n_basic_blocks_for_function,
221         last_basic_block_for_function, basic_block_info_for_function,
222         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
223         basic_block_info_for_function, label_to_block_map_for_function):
224         Counterparts for the above, taking a struct function as an extra
225         argument.
226         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
227         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
228         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
229         (alloc_rbi_pool, free_rbi_pool): Remove.
230         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
231         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
232         here...
233         (cfg_layout_finalize) ... and don't free it here.
234         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
235         garbage collected.
236         * flow.c (free_basic_block_vars): Set label_to_block_map and
237         n_edges to zero too.
238         * function.h (struct function): Add cfg field.
239         * function.c (allocate_struct_function): Allocate the cfg.
240         * tree-cfg.c (label_to_block_map): Remove.
241         (build_tree_cfg): Don't allocate the rbi pool here...
242         (delete_tree_cfg_annotations): ...and don't free it here.
243         Also don't nullify label_to_block_map for cfun.
244
245 2005-04-12  Caroline Tice  <ctice@apple.com>
246
247         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
248         Revert my patch from April 9.
249         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
250         (reorder_basic_blocks): Revert my patch from April 9.
251         (insert_section_boundary_note): Revert my patch from April 9.
252         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
253         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
254         (COLD_END_LABEL):  Revert my patch from April 9.
255         (cold_text_section_label):  Revert my patch from April 9.
256         (cold_end_label): Revert my patch from April 9.
257         (dwarf2out_switch_text_section): Revert my patch from April 9.
258         (output_aranges): Revert my patch from April 9.
259         (output_ranges):  Revert my patch from April 9.
260         (output_line_info): Revert my patch from April 9.
261         (add_location_or_const_value_attribute):  Revert my patch from April 9.
262         (dwarf2out_var_location): Revert my patch from April 9.
263         (dwarf2out_init):  Revert my patch from April 9.
264         (dwarf2out_finish): Revert my patch from April 9.
265         * function.h (struct function): Revert my patch from April 9.
266         * opts.c (decode_options): Revert my patch from April 9.
267         * output.h (unlikely_section_label, hot_section_label,
268         hot_section_end_label, cold_section_end_label, 
269         unlikely_text_section_name): Revert my patch from April 9.
270         * passes.c (rest_of_handle_final): Revert my patch from April 9.
271         * varasm.c (unlikely_section_label, hot_section_label,
272         hot_section_end_label, cold_section_end_label,
273         unlikely_text_section_name): Revert my patch from April 9.
274         (initialize_cold_section_name): Revert my patch from April 9.
275         (unlikely_text_section): Revert my patch from April 9.
276         (in_unlikely_text_section): Revert my patch from April 9.
277         (named_section): Revert my patch from April 9.
278         (function_section): Revert my patch from April 9.
279         (current_function_section): Revert my patch from April 9.
280         (assemble_start_function): Revert my patch from April 9.
281         (assemble_end_function): Revert my patch from April 9.
282         (default_section_type_flags_1): Revert my patch from April 9.
283         
284 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
285
286         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
287         * config/sparc/sparc.md (untyped_call): Save the registers manually.
288
289         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
290
291 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
292
293         PR middle-end/20917
294         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
295         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
296
297 2004-04-12  Richard Henderson  <rth@redhat.com>
298
299         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
300         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
301         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
302         (UNSPEC_*, UNSPECV_*): Renumber.
303
304 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
305
306         PR mudflap/19266
307         From Richard Henderson <rth@redhat.com>:
308         * tree-mudflap.c (mf_build_check_statement_for): Correct block
309         splitting logic.
310
311 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
312
313         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
314
315 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
316
317         * config/bfin/bfin.c (bfin_library_id_string): Remove.
318         (bfin_library_id): New variable.
319         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
320         instead of bfin_library_id_string.
321         (bfin_handle_option): New function.
322         (override_options): Remove most code to deal with shared library IDs,
323         just check they aren't used without -mid-shared-library.
324         (TARGET_HANDLE_OPTION): Define.
325         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
326         * config/bfin/bfin.opt (mshared-library-id=): New.
327
328 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
329
330         * tree-vect-transform.c: Fix comment typos.
331
332 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
333
334         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
335         split critical edges when not possible/profitable.
336
337 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
338
339         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
340         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
341         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
342         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
343         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
344         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
345         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
346         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
347         MASK_NO_BITFIELD.
348         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
349         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
350         * config/ns32k/ns32k.opt: New file.
351
352 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
353
354         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
355         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
356         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
357         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
358         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
359         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
360         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
361         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
362         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
363         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
364         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
365         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
366         (MASK_COLDFIRE): Formatting fixes.
367         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
368         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
369         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
370         "_current_shared_library_a5_offset_".
371         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
372         (MASK_ALL_CPU_BITS): New macro.
373         (m68k_handle_option): New function.
374         (override_options): Remove handling of m68k_library_id_string.
375         * config/m68k/m68k.opt: New file.
376         * config/m68k/ieee.opt: New file.
377
378 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
379
380         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
381         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
382         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
383         (TARGET_CXX): Adjust accordingly.
384         * target.h (struct gcc_target): Remove epxort_class_data.  Add
385         determine_class_data_visibility and class_data_always_comdat.
386         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
387         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
388         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
389         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
390         (arm_cxx_determine_class_data_visibility): New.
391         (arm_cxx_class_data_always_comdat): Likewise.
392         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
393         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
394         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
395         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
396         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
397         Define.
398
399 2005-04-11  Devang Patel  <dpatel@apple.com>
400
401         * tree-data-ref.c (build_classic_dist_vector,
402         compute_subscript_distance): Make externally visible.
403         * tree-data-ref.h (build_classic_dist_vector,
404         compute_subscript_distance): Same.
405         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
406         Check distance vector against vectorization factor.
407         (vect_analyze_loop): Determine vectorizaion factor before
408         analyzing data dependences.
409         * tree-vectorizer.c (loops_num): Make it externally visible and
410         rename ...
411         * tree-vectorizer.c (vect_loops_num): ... new name.
412         * tree-vectorizer.h  (vect_loops_num): New.
413
414 2005-04-11  Devang Patel  <dpatel@apple.com>
415
416         * tree-vect-analyze.c (vect_analyze_operations): Check
417         vectorizable codition.
418         * tree-vect-transform.c (vect_is_simple_cond): New function.
419         (vectorizable_condition): New function.
420         (vect_transform_stmt): Handle condition_vec_info_type.
421         * tree-vectorizer.h (enum stmt_vec_info_type): Add
422         condition_vec_info_type.
423         (vectorizable_condition): New.
424         
425 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
426
427         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
428         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
429         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
430
431         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
432         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
433
434         * dwarf2out.c (output_line_info): Don't try to dereference
435         a NULL current_function_decl.
436
437         * config/t-slibgcc-darwin: Don't put shared libraries in
438         directories other than $(slibdir).
439         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
440         OS uses for it.
441
442 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
443
444         PR tree-optimization/20933
445         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
446         logic to reject aliases between read-only and writable
447         variables ...
448         (may_alias_p): ... here.
449         (get_tmt_for): Do not associate read-only tags to pointers
450         whose pointed-to type is not read-only.
451         * tree-ssa.c (verify_ssa): Check that memory stores have at
452         least one V_MAY_DEF or V_MUST_DEF.
453
454 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
455
456         PR/17092
457         * configure.ac (gcc_UNLOCKED_FUNCS): New.
458         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
459         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
460         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
461         _unlocked function.
462         (fwrite_unlocked): Fix prototype.
463         
464         * configure, config.in: Regenerate.
465
466 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
467
468         * tree-ssa-loop-im.c: Include real.h.
469         (determine_invariantness_stmt): If real division divisor is
470         invariant and flag_unsafe_math_optimizations enabled, generate
471         invariant reciprocal for hoisting.
472         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
473
474 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
475
476         Fix PR tree-optimization/20926
477         
478         * tree-ssa-alias.c (add_type_alias): Handle subvars.
479         
480 2005-04-11  Devang Patel  <dpatel@apple.com>
481
482         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
483         operand ordering.
484         
485 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
486
487         * fold-const.c (fold_binary_op_with_conditional_arg):
488         use fold_buildN instead of "fold (buildN" in some
489         non obvious places.
490         (fold_unary): Likewise.
491         (fold_binary): Likewise.
492
493 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
494         
495         Fix PR tree-optimization/20612
496         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
497         handling
498         (perfect_nestify): preheaderbb is *not* part of loop of the
499         old destination.
500
501 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
502
503         * tree-ssa-alias.c (may_alias_p): If the variable
504         is a global variable and the pointer is parameter
505         and -fargument-noalias-global is used, then
506         the pointer cannot alias the variable.
507
508 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
509
510         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
511         * config/sparc/sparc.h: Likewise.
512         * config/sparc/sparc.md: Likewise.
513
514 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
515
516         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
517
518         * tree-vrp.c: Fix a comment typo.
519
520 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
521
522         PR tree-optimization/20920
523         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
524         SSA_NAME flows through an abnormal edge.
525         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
526         through abnormal edges.
527         (maybe_add_assert_expr): Likewise.
528
529 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
530
531         * config/s390/s390.h (s390_tune_string, s390_arch_string)
532         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
533         (s390_stack_size_string, s390_stack_guard_string, target_flags)
534         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
535         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
536         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
537         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
538         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
539         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
540         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
541         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
542         (TARGET_HANDLE_OPTION): Likewise.
543         (s390_tune): Initialize to PROCESSOR_max.
544         (s390_arch_string): Make static.
545         (s390_tune_string, s390_warn_framesize_string): Delete.
546         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
547         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
548         (s390_handle_arch_option, s390_handle_option): New functions.
549         (override_options): Remove parsing of option strings.
550         * config/s390/s390.opt: New file.
551
552 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
553
554         * tree-complex.c (expand_vector_operations): Call
555         update_stmt_if_modified.
556
557 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
558
559         * tree-vect-analyze (vect_determine_vectorization_factor):
560         Do not use GET_MODE_NUNITS.
561         * tree-vect-transform.c (vect_get_vec_def_for_operand,
562         (vectorizable_load, vect_transform_loop): Likewise.
563
564 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
565
566         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
567         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
568         * optabs.h (enum optab_index): Add new OTI_lceil.
569         (lceil_optab): Define corresponding macro.
570         * optabs.c (init_optabs): Initialize lceil_optab.
571         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
572         and lceildi2 patterns.
573         * builtins.c (expand_builtin_int_roundingfn): Handle
574         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
575         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
576         BUILT_IN_LLCEIL{,F,L}.
577         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
578         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
579         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
580         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
581         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
582         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
583         into lceil built-in function and (long long int)ceil{,f,l} into
584         llceil built-in function.
585         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
586         BUILT_IN_LLCEIL.
587
588 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
589
590         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
591         zero.
592
593 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
594
595         * config/arm/arm.c: Fix a comment typo.
596         * doc/tree-ssa.texi: Fix a typo.
597
598 2005-04-10  Steven Bosscher  <stevenb@suse.de>
599
600         * cselib.c (clear_table): Rename to cselib_clear_table.
601         * cselib.h (cselib_clear_table): Add prototype.
602         * gcse.c (gcse_main): Make 'f' argument unused.
603         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
604         of each basic block instead.
605         (compute_sets, compute_hash_table_work): Likewise.
606         (constprop_register): Change int 'alter_jumps' argument to bool.
607         (do_local_cprop): Likewise.
608         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
609         the insn chain.  Explicitly clear the cselib tables after finishing
610         one basic block.  Make sure there are no unterminated libcall blocks.
611         Update compute_sets call.
612         (cprop): Walk basic blocks instead of the insn chain.
613         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
614         Likewise.
615         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
616         one_cprop_pass calls.
617
618 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
619
620         * combine.c (combine_simplify_rtx): Remove a transformation that
621         relies on an invalid assumption about rtl sign-extension semantics.
622
623 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
624
625         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
626         to build_int_cst_wide.
627
628 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
629
630         PR target/20126
631         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
632         set the original address pseudo to the correct value before the
633         original insn, if possible, and leave the insn alone, otherwise
634         create a new pseudo, set it and replace it in the insn.
635         * recog.c (validate_change_maybe_volatile): New.
636         * recog.h (validate_change_maybe_volatile): Declare.
637
638 2005-04-09  Caroline Tice  <ctice@apple.com>
639
640         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
641         Remove targetm.have_named_sections test.
642         (fix_edges_for_rarely_executed_code): Likewise.
643         (insert_section_boundary_note): Likewise.
644         (reorder_basic_blocks): Check partitioning flag before calling
645         verify_hot_cold_block_grouping.
646         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
647         the function struct rather than global variables.
648         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
649         (COLD_END_LABEL): Likewise
650         (cold_text_section_label): New static global variable.
651         (cold_end_label): Likewise.
652         (dwarf2out_switch_text_section): Get hot/cold section labels from
653         the function struct rather than global variables.
654         (output_aranges): Use cold_text_section_label and cold_end_label;
655         check partitioning flag before putting out delta.
656         (output_ranges): Remove incorrect code attempting to use
657         hot/cold labels.
658         (output_line_info): Get cold section label from function struct.
659         (add_location_or_const_value_attribute): Likewise.
660         (get_subprogram_die): Get hot/cold section labels from function struct.
661         (dwarf2out_var_location): Likewise.
662         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
663         write out cold_text_section_label if partition flag is set.
664         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
665         * function.h (struct function): Add new fields to point to hot/cold
666         section labels: hot_section_label, cold_section_label,
667         hot_section_end_label and cold_section_end_label; also add new field
668         for cold text section name, unlikely_text_section_name.
669         * opts.c (decode_options): Turn off partitioning flag if
670         !targetm.have_named_sections.
671         * output.h (hot_section_label): Remove.
672         (hot_section_end_label): Remove.
673         (cold_section_end_label): Remove.
674         (unlikely_section_label): Remove.
675         (unlikely_text_section_name): Remove.
676         * passes.c (rest_of_handle_final):  Remove code that frees
677         unlikely_text_section_name.
678         * varasm.c (unlikely_section_label): Remove.
679         (hot_section_label): Remove.
680         (hot_section_end_label): Remove.
681         (cold_section_end_label): Remove.
682         (unlikely_text_section_name):  Remove.
683         (initialize_cold_section_name): Modify to call
684         targetm.strip_name_encoding; to store cold section name in current
685         function struct, if it exists; and to only use the decl_section_name
686         if flag_named_sections is true.
687         (unlikely_text_section): Modify to get section name out of current
688         function struct, if there is one; otherwise build it from
689         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
690         (in_unlikely_text_section): Likewise.
691         (named_section): Modify to get/put cold section name in current function
692         struct, if there is one.
693         (function_section):  Change 'bool unlikely' to 'int reloc'; check
694         targetm.have_named_sections before calling named_section.
695         (current_function_section): Likewise.
696         (assemble_start_function): Modify to get/put unlikely_text_section_name
697         in current function struct; modify to get hot/cold section labels
698         from function struct; initialize labels using 
699         ASM_GENERATE_INTERNAL_LABEL;
700         test partitioning flag before writing out hot section label.
701         (assemble_end_function): Test partitioning flag before writing out
702         hot/cold section labels.
703         (default_section_type_flags_1):  Modify to use array instead of
704          char* for unlikely_text_section_name; set flags correctly for
705          cold text section if there is not a current function decl.
706
707 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
708
709         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
710         and TI_VA_LIST_FPR_COUNTER_FIELD.
711         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
712         * tree-pass.h (pass_stdarg): Add.
713         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
714         * tree-stdarg.c: New file.
715         * tree-stdarg.h: New file.
716         * Makefile.in (OBJS-common): Add tree-stdarg.o.
717         (tree-stdarg.o): Add dependencies.
718         * function.h (struct function): Add va_list_gpr_size and
719         va_list_fpr_size fields.
720         * function.c (allocate_struct_function): Initialize them.
721         * target.h (struct gcc_target): Add stdarg_optimize_hook.
722         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
723         (TARGET_INITIALIZER): Add it.
724
725         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
726         va_list_{g,f}pr_counter_field.
727         (ix86_setup_incoming_varargs): Don't do anything if reg_save
728         area will not be used.  Only save registers that tree-stdarg.c
729         detected they need saving.
730         (ix86_va_start): Don't set up fields that won't be used.
731
732         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
733         va_list_{g,f}pr_counter_field.
734         (setup_incoming_varargs): Don't do anything if reg_save
735         area will not be used.  Only save registers that tree-stdarg.c
736         detected they need saving.
737         (rs6000_va_start): Don't set up fields that won't be used.
738
739         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
740         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
741         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
742         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
743
744 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
745
746         PR target/20795
747         * config/i386/i386.c (construct_container): Pass empty aligned
748         struct, union or class in memory.
749
750 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
751
752         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
753         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
754         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
755         config/rs6000/predicates.md: Fix comment typos.
756
757         * sched-int.h (haifa_insn_data): Remove blockage and units.
758         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
759         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
760         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
761
762 2005-04-09  Jan Hubicka  <jh@suse.cz>
763             Steven Bosscher  <stevenb@suse.de>
764
765         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
766         * cfgloop.c (get_loop_exit_edges): Likewise.
767         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
768         (unloop): Likewise.
769         * loop-unroll.c (analyze_insns_in_loop): Likewise.
770         * tree-cfg.c (dump_cfg_status): Likewise.
771
772 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
773
774         * config/rs6000/predicates.md (altivec_register_operand): Remove
775         redundant match_code test.
776         (gpc_reg_operand): Same.
777         (cc_reg_operand): Same.
778         (cc_reg_not_cr0_operand): Same.
779
780 2005-04-09  Jan Hubicka  <jh@suse.cz>
781
782         Forgotten hunk from my last merge patch:
783         * final.c (output_addr_const): Do not call mark_referenced.
784
785 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
786
787         * doc/tree-ssa.texi: Add immediate use documentation.
788
789 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
790
791         * arm.c (FL_WBUF): Define.
792         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
793         (arm_is_6_or_7): Delete.
794         (arm_tune_wbuf): New.
795         (arm_override_options): Set arm_tune_wbuf.
796         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
797         (arm_is_6_or_7): Delete declaration.
798         (arm_tune_wbuf): New declartion.
799         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
800         (model_wbuf): Derive from arm_tune_wbuf.
801         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
802         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
803         (arm740t): Mark CPUs as having a write buffer.
804
805 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
806
807         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
808         of 'const_double_operand' in operand 2 constraints.  Update enable
809         condition.
810
811 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
812
813         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
814         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
815         * optabs.h (enum optab_index): Add new OTI_lfloor.
816         (lfloor_optab): Define corresponding macro.
817         * optabs.c (init_optabs): Initialize lfloor_optab.
818         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
819         and lfloordi2 patterns.
820         * builtins.c (expand_builtin_int_roundingfn): New prototype.
821         (expand_builtin_int_roundingfn): New function.
822         (fold_builtin_int_roundingfn): New prototype.
823         (fold_builtin_int_roundingfn): New function, renamed from
824         fold_builtin_lround.
825         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
826         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
827         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
828         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
829         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
830         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
831         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
832         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
833         into lfloor built-in function and (long long int)floor{,f,l} into
834         llfloor built-in function.
835         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
836         BUILT_IN_LLFLOOR.
837
838 2005-04-08  Ian Lance Taylor  <ian@airs.com>
839
840         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
841         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
842         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
843         (DO_COND, DO_BODY): Likewise.
844         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
845         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
846         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
847         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
848         (build_continue_stmt, build_break_stmt): Don't declare.
849         (c_do_switch_warnings): Update declaration.
850         * c-gimplify.c (enum bc_t): Remove.
851         (struct c_gimplify_ctx, ctxp): Remove.
852         (push_context, pop_context): Remove static functions.
853         (c_genericize): Don't call push_context or pop_context.
854         (begin_bc_block, finish_bc_block): Remove static functions.
855         (build_bc_goto): Likewise.
856         (gimplify_c_loop): Likewise.
857         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
858         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
859         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
860         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
861         * c-common.c (c_do_switch_warnings): Rename from
862         c_do_switch_warnings_1.
863         (c_do_switch_warnings) [old version]: Remove.
864         (c_do_switch_expr_warnings): Remove.
865         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
866         function instead of c_do_switch_expr_warnings.
867         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
868         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
869         * c-pretty-print.c (pp_c_statement): Likewise.
870         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
871
872 2005-04-08  Devang Patel  <dpatel@apple.com>
873
874         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
875         While selecting replacement condition pay attention to loop header.
876
877 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
878
879         Merge from tree-cleanup-branch: VRP, store CCP, store
880             copy-prop, incremental SSA updating of FUD chains and
881             newly exposed symbols.
882
883         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
884         (OBJS-common): Add tree-vrp.o.
885         (tree-vrp.o): New rule.
886         * basic-block.h (nearest_common_dominator_for_set): Declare.
887         * common.opt (ftree-store-ccp): New flag.
888         (ftree-copy-prop): New flag.
889         (ftree-vrp): New flag.
890         (ftree-store-copy-prop): New flag.
891         * dominance.c (nearest_common_dominator_for_set): New.
892         * domwalk.c (walk_dominator_tree): Only traverse
893         statements in blocks marked in walk_data->interesting_blocks.
894         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
895         * fold-const.c (fold): Handle ASSERT_EXPR.
896         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
897         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
898         flag_tree_vrp at -O2.
899         * timevar.def (TV_TREE_VRP): Define.
900         (TV_TREE_COPY_PROP): Define.
901         (TV_TREE_STORE_COPY_PROP): Define.
902         (TV_TREE_SSA_INCREMENTAL): Define.
903         (TV_TREE_STORE_CCP): Define.
904         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
905         to kill_redundant_phi_nodes from comment.
906         (verify_expr): Handle ASSERT_EXPR.
907         * tree-dfa.c (mark_new_vars_to_rename): Remove second
908         argument.  Update all users.
909         (mark_call_clobbered_vars_to_rename): Remove.  Update all
910         users.
911         * tree-flow-inline.h (unmodifiable_var_p): New.
912         * tree-flow.h (enum value_range_type): Declare.
913         (struct value_range_def): Declare.
914         (value_range): Declare.
915         (remove_all_phi_nodes_for): Remove.  Update all users.
916         (find_phi_node_for): Declare.
917         (add_type_alias): Declare.
918         (count_uses_and_derefs): Declare.
919         (kill_redundant_phi_nodes): Remove.
920         (rewrite_into_ssa): Remove.
921         (rewrite_def_def_chains): Remove.
922         (update_ssa, register_new_name_mapping, create_new_def_for,
923         need_ssa_update_p, name_registered_for_update_p,
924         release_ssa_name_after_update_ssa, dump_repl_tbl,
925         debug_repl_tbl, dump_names_replaced_by,
926         debug_names_replaced_by, mark_sym_for_renaming,
927         mark_set_for_renaming, get_current_def, set_current_def,
928         get_value_range, dump_value_range, debug_value_range,
929         dump_all_value_ranges, debug_all_value_ranges,
930         expr_computes_nonzero, loop_depth_of_name,
931         unmodifiable_var_p): Declare.
932         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
933         ASSERT_EXPR.
934         * tree-into-ssa.c (block_defs_stack): Update comment.
935         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
936         syms_to_rename, names_to_release, repl_tbl,
937         need_to_initialize_update_ssa_p, need_to_update_vops_p,
938         need_to_replace_names_p): New locals.
939         (NAME_SETS_GROWTH_FACTOR): Define.
940         (struct repl_map_d): Declare.
941         (struct mark_def_sites_global_data): Add field
942         interesting_blocks.
943         (enum rewrite_mode): Declare.
944         (REGISTER_DEFS_IN_THIS_STMT): Define.
945         (compute_global_livein): Use last_basic_block instead of
946         n_basic_blocks.
947         (set_def_block): Remove last argument.  Update all callers.
948         (prepare_use_operand_for_rename): Remove.  Update all callers.
949         (prepare_def_operand_for_rename): Remove.  Update all callers.
950         (symbol_marked_for_renaming): New.
951         (is_old_name): New.
952         (is_new_name): New.
953         (repl_map_hash): New.
954         (repl_map_eq): New.
955         (repl_map_free): New.
956         (names_replaced_by): New.
957         (add_to_repl_tbl): New.
958         (add_new_name_mapping): New.
959         (mark_def_sites): Assume that all the operands in the
960         statement are in normal form.
961         (find_idf): Assert that the block in the stack is valid.
962         (get_default_def_for): New.
963         (insert_phi_nodes_for): Add new argument 'update_p'.
964         Add documentation.
965         If update_p is true, add a new mapping between the LHS of
966         each new PHI and the name that it replaces.
967         (insert_phi_nodes_1): Only call find_idf if needed.
968         (get_reaching_def): Call get_default_def_for.
969         (rewrite_operand): Remove.
970         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
971         and REWRITE_THIS_STMT are false.
972         Assume that all the operands in the statement are in
973         normal form.
974         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
975         (rewrite_virtual_phi_arguments): Remove.
976         (invalidate_name_tags): Remove.
977         (register_new_update_single, register_new_update_set,
978         rewrite_update_init_block, replace_use,
979         rewrite_update_fini_block, rewrite_update_stmt,
980         rewrite_update_phi_arguments): New.
981         rewrite_blocks): Remove argument 'fix_virtual_phis'.
982         Add arguments 'entry', 'what' and 'blocks'.
983         Initialize the dominator walker according to 'what' and
984         'blocks'.
985         Start the dominator walk at 'entry'.
986         (mark_def_site_blocks): Add argument 'interesting_blocks'.
987         Use it to configure the dominator walker.
988         (rewrite_into_ssa): Remove argument 'all'.
989         Make internal.
990         (rewrite_all_into_ssa): Remove.
991         (rewrite_def_def_chains): Remove.
992         (mark_def_interesting, mark_use_interesting,
993         prepare_phi_args_for_update, prepare_block_for_update,
994         prepare_def_site_for, prepare_def_sites,
995         dump_names_replaced_by, debug_names_replaced_by,
996         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
997         delete_update_ssa, create_new_def_for,
998         register_new_name_mapping, mark_sym_for_renaming,
999         mark_set_for_renaming, need_ssa_update_p,
1000         name_registered_for_update_p, ssa_names_to_replace,
1001         release_ssa_name_after_update_ssa,
1002         insert_updated_phi_nodes_for, update_ssa): New.
1003         * tree-loop-linear.c (linear_transform_loops): Call
1004         update_ssa instead of rewrite_into_ssa.
1005         * tree-optimize.c (vars_to_rename): Remove.
1006         Update all users.
1007         (init_tree_optimization_passes): Replace
1008         pass_redundant_phi with pass_copy_prop.
1009         Add pass_vrp.
1010         Replace pass_ccp with pass_store_ccp.
1011         Add pass_store_copy_prop after pass_store_ccp.
1012         (execute_todo): If the TODO_ flags don't include updating
1013         the SSA form, assert that it does not need to be updated.
1014         Call update_ssa instead of rewrite_into_ssa and
1015         rewrite_def_def_chains.
1016         If TODO_verify_loops is set, call verify_loop_closed_ssa.
1017         (tree_rest_of_compilation):
1018         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
1019         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
1020         TODO_cleanup_cfg): Renumber.
1021         (TODO_verify_loops, TODO_update_ssa,
1022         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
1023         TODO_update_ssa_only_virtuals): Define.
1024         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
1025         Declare.
1026         * tree-phinodes.c (make_phi_node): Update documentation.
1027         (remove_all_phi_nodes_for): Remove.
1028         (find_phi_node_for): New.
1029         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
1030         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
1031         (interpret_rhs_modify_expr): Likewise.
1032         * tree-sra.c (decide_instantiations): Mark all symbols in
1033         SRA_CANDIDATES for renaming.
1034         (mark_all_v_defs_1): Rename from mark_all_v_defs.
1035         (mark_all_v_defs): New function.  Update all users to call it 
1036         with the whole list of scalarized statements, not just the
1037         first one.
1038         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
1039         (compute_flow_insensitive_aliasing): If the tag is
1040         unmodifiable and the variable isn't or vice-versa, don't
1041         make them alias of each other.
1042         (setup_pointers_and_addressables): If the type tag for
1043         VAR is about to change, mark the old one for renaming.
1044         (add_type_alias): New.
1045         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
1046         (ccp_lattice_t): Rename from latticevalue.
1047         (value): Remove.  Update all users.
1048         (const_val): New local variable.
1049         (do_store_ccp): New local variable.
1050         (dump_lattice_value): Handle UNINITIALIZED.
1051         (debug_lattice_value): New.
1052         (get_default_value): Re-write.
1053         (set_lattice_value): Re-write.
1054         (def_to_varying): Remove.  Update all users.
1055         (likely_value): Return VARYING for statements that make
1056         stores when STORE_CCP is false.
1057         Return VARYING for any statement other than MODIFY_EXPR,
1058         COND_EXPR and SWITCH_EXPR.
1059         (ccp_initialize): Re-write.
1060         (replace_uses_in, replace_vuse_in, substitute_and_fold):
1061         Move to tree-ssa-propagate.c.
1062         (ccp_lattice_meet): Handle memory stores when
1063         DO_STORE_CCP is true.
1064         (ccp_visit_phi_node): Likewise.
1065         (ccp_fold): Likewise.
1066         (evaluate_stmt): Likewise.
1067         (visit_assignment): Likewise.
1068         (ccp_visit_stmt): Likewise.
1069         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
1070         into DO_STORE_CCP.
1071         (do_ssa_ccp): New.
1072         (pass_ccp): Use it.
1073         (do_ssa_store_ccp): New.
1074         (gate_store_ccp): New.
1075         (pass_store_ccp): Declare.
1076         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
1077         (may_propagate_copy): Reformat.
1078         Don't abort if ORIG is a virtual and DEST isn't.
1079         If NEW does not have alias information but DEST does,
1080         copy it.
1081         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
1082         copy_prop_kind, which_copy_prop): Declare.
1083         (stmt_may_generate_copy, get_copy_of_val,
1084         get_last_copy_of, set_copy_of_val, dump_copy_of,
1085         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
1086         copy_prop_visit_stmt, copy_prop_visit_phi_node,
1087         init_copy_prop, fini_copy_prop, execute_copy_prop,
1088         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
1089         store_copy_prop): New.
1090         (pass_copy_prop, pass_store_copy_prop): Declare.
1091         * tree-ssa-dom.c (struct opt_stats_d): Add fields
1092         'num_const_prop' and 'num_copy_prop'.
1093         (cprop_operand): Update them.
1094         (dump_dominator_optimization_stats): Dump them.
1095         (tree_ssa_dominator_optimize): Call update_ssa instead of
1096         rewrite_into_ssa.
1097         (loop_depth_of_name): Declare extern.
1098         (simplify_cond_and_lookup_avail_expr): Guard against NULL
1099         values for LOW or HIGH.
1100         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
1101         (record_equivalences_from_stmt): Call expr_computes_nonzero.
1102         (cprop_operand): Only propagate if VAL != OP.
1103         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
1104         statement for renaming.
1105         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
1106         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
1107         add_type_alias if necessary.
1108         Call mark_new_vars_to_rename.
1109         (tree_ssa_iv_optimize): If new symbols need to be renamed,
1110         mark every statement updated, call update_ssa and
1111         rewrite_into_loop_closed_ssa.
1112         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
1113         from LIVEIN if VAR is a virtual.
1114         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
1115         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
1116         (get_call_expr_operands): Reformat statement.
1117         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
1118         symbols.
1119         * tree-ssa-propagate.c (ssa_prop_init): Initialize
1120         SSA_NAME_VALUE for every name.
1121         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1122         get_value_loaded_by): New.
1123         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
1124         substitute_and_fold): Move from tree-ssa-ccp.c.
1125         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
1126         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1127         get_value_loaded_by, replace_uses_in, substitute_and_fold):
1128         Declare.
1129         * tree-ssa.c (verify_use): Fix error message.
1130         (propagate_into_addr, replace_immediate_uses, get_eq_name,
1131         check_phi_redundancy, kill_redundant_phi_nodes,
1132         pass_redundant_phi): Remove.  Update all users.
1133         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1134         add_type_alias, if necessary.
1135         * tree-vectorizer.h (struct _stmt_vect_info): Update
1136         documentation for field 'memtag'.
1137         * tree-vrp.c: New file.
1138         * tree.def (ASSERT_EXPR): Define.
1139         * tree.h (ASSERT_EXPR_VAR): Define.
1140         (ASSERT_EXPR_COND): Define.
1141         (SSA_NAME_VALUE_RANGE): Define.
1142         (struct tree_ssa_name): Add field 'value_range'.
1143         (PHI_REWRITTEN): Remove.
1144         (struct tree_phi_node): Remove field 'rewritten'.
1145         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
1146         -ftree-store-copy-prop): Document.
1147         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
1148         Document usage of update_ssa.
1149
1150 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
1151
1152         PR target/20814
1153         * config/rs6000/predicates.md (altivec_register_operand): Accept
1154         SUBREG. 
1155         (and64_operand): Do not limit CONST_INT to mask64_operand.
1156         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
1157         (and_operand): Do not limit CONST_INT to mask_operand.
1158
1159 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
1160
1161         PR rtl-optimization/20466
1162         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
1163         for overlap of the address of each list member.
1164         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
1165
1166 2005-04-08  Mike Stump  <mrs@apple.com>
1167
1168         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
1169         
1170         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
1171         instead of 4.
1172
1173 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1174
1175         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
1176
1177         * function.c (push_function_context_to): Don't set
1178         contains_functions.
1179         * function.h (function): Remove contains_functions.
1180         (current_function_contains_functions): Remove.
1181
1182         * function.h (function): Remove instrument_entry_exit.
1183         (current_function_instrument_entry_exit): Remove.
1184
1185         * function.h (nonlocal_labels): Remove.
1186
1187         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
1188
1189         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
1190         (check_attr_value, write_attr_get, write_expr_attr_cache,
1191         find_attr, make_internal_attr): Don't reference negative_ok or
1192         unsigned_p.
1193         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
1194         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
1195         (ATTR_STATIC): Adjust the value.
1196
1197         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
1198
1199 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
1200
1201         * config/s390/tpf.h (ASM_SPEC): Define.
1202
1203 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1204
1205         * tree-flow.h: Remove the prototype for
1206         redirect_immediate_uses.
1207         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
1208
1209 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
1210
1211         * arm.c (arm_const_double_by_parts): New function.
1212         * arm-protos.h (arm_const_double_by_parts): Add prototype.
1213         * arm.md (define_split for 64-bit constants): Add another one.
1214
1215 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
1216
1217         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
1218
1219 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1220
1221         * system.h: Revert last change.
1222
1223 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
1224
1225         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
1226         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
1227         (TARGET_SWITCHES): Delete.
1228         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1229         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
1230         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
1231         * config/xtensa/xtensa.opt: New file.
1232
1233 2005-04-08  Ben Elliston  <bje@au.ibm.com>
1234
1235         * config/fp-bit.c: Include L_mul_tf in #endif comment.
1236         * config/fp-bit.h: Tidy comments.
1237
1238 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1239
1240         * system.h: Poison PARAMS.
1241
1242 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
1243
1244         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
1245         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
1246         (TARGET_SWITCHES): Delete.
1247         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1248         * config/vax/vax.opt: New file.
1249
1250 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
1251
1252         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
1253
1254 2005-04-07  Ian Lance Taylor  <ian@airs.com>
1255
1256         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
1257         define.
1258         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
1259         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
1260         Likewise.
1261
1262 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
1263
1264         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
1265         all immediate uses in PHI nodes.
1266
1267 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
1268
1269         * arm.c (arm_const_double_inline_cost): Handle any constant by
1270         using gen_lowpart and gen_highpart_mode.
1271         (note_invalid_constants): All constants in an RTX with a constraint
1272         that permits memory are now pushed to the constant pool.
1273         (output_move_double): Delete code to handle reg to reg and 
1274         constant to reg moves.
1275         (const_double_needs_minipool, output_mov_immediate): Delete.
1276         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
1277         CONST_INT and CONST_VECTOR.
1278         * arm.md (ANY64): New mode macro.
1279         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
1280         (movdf_soft_insn): Split reg-reg and const-reg moves.
1281         (split patterns for 64-bit constant and register moves): New.
1282         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
1283         (cirrus_movdf_hard_insn): Likewise.
1284         * fpa.md (movdf_fpa): Likewise.
1285         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
1286         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
1287         constraints.
1288         (movv2si_internal_2): Likewise.
1289         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
1290         (movdf_vfp): Likewise.
1291         * arm-protos.h (output_mov_immediate): Delete prototype.
1292
1293 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
1294
1295         PR target/20093
1296         * simplify-rtx.c (simplify_unary_operation_1): Check
1297         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
1298
1299 2005-04-06  James E Wilson  <wilson@specifixinc.com>
1300
1301         PR target/20717
1302         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
1303         ADDR_EXPR.
1304
1305 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1306
1307         * coverage.h (GCOV_TYPE_NODE): Delete.
1308         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
1309         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
1310         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
1311         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
1312         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
1313
1314 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1315
1316         PR other/20792
1317         * Makefile.in (gcc.pot): Remove options.c dependency.
1318         * optc-gen.awk: Don't quote help strings with N_().
1319
1320 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
1321
1322         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
1323         the function returns a pointer type.
1324
1325 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
1326
1327         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
1328         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
1329         * doc/invoke.texi: Documnet salias-max-implicit-fields.
1330         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
1331         explicit_uses members.
1332         (get_or_create_used_part_for): Initialize new fields.
1333         (fieldoff_compare): New function.
1334         (create_overlap_variables_for): Count number of fields, use
1335         heuristic to determine whether to create subvars for vars with
1336         only implicit uses.
1337         Sort the field list by offset and avoid creating duplicate SFT's.
1338
1339 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1340
1341         * c.opt (-F): Remove trailing whitespace from help string.
1342         (-finput-charset): Use a tab to separate the switch name and help
1343         string.
1344         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
1345         (-ftree-vectorizer-verbose): Likewise.
1346
1347 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1348
1349         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
1350         a PHI argument where a use occurs instead of all PHI arguments.
1351
1352 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
1353
1354         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
1355         scope.
1356
1357 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1358
1359         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
1360         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
1361         config/bfin/bfin.h: Fix comment typos.
1362
1363 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
1364
1365         * doc/install.texi: Update the URL for Jacks.
1366         * doc/sourcebuild.texi: Likewise.
1367
1368 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
1369
1370         PR target/17245
1371         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
1372         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
1373
1374 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1375
1376         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
1377
1378 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1379
1380         * config/v850/v850-protos.h (override_options): Delete.
1381         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
1382         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
1383         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
1384         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
1385         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
1386         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
1387         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
1388         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
1389         (OVERRIDE_OPTIONS): Delete.
1390         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
1391         (small_memory_info): Remove the value field.
1392         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
1393         TARGET_NO_APP_REGS.
1394         * config/v850/v850.c (small_memory): Remove the value field.
1395         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1396         (override_options): Delete.
1397         (v850_handle_memory_option, v850_handle_option): New functions.
1398         * config/v850/v850.opt: New file.
1399
1400 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
1401
1402         * config.host: Add a section for generic hosts, and a subsection
1403         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
1404         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
1405         * config/host-darwin.h: New.
1406         * config/x-darwin: New.
1407         * config/i386/host-i386-darwin.c: New.
1408         * config/i386/x-darwin: New.
1409         * config/rs6000/host-darwin.c: Include host-darwin.h.
1410         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
1411         (darwin_rs6000_gt_pch_use_address): Likewise.
1412         * config/rs6000/x-darwin: Change name of .o built, update
1413         dependencies for changes to rs6000/host-darwin.c.
1414
1415 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1416
1417         PR target/17824
1418         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
1419
1420 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
1421
1422         * tree-vect-analyze.c (vect_analyze_loop_form): Call
1423         split_loop_exit_edge instead of loop_split_edge_with. 
1424
1425 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
1426
1427         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
1428         UNSPEC_SET_VSCR): New constants, used throughout.
1429         (*andc3_v4sf): New.
1430         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
1431         Replace with...
1432         (altivec_vspltis<VI_char>): ... this pattern, using
1433         a QImode const_int_operand for the immediate.
1434         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
1435         define_expands.
1436
1437 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1438
1439         PR target/17822
1440         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
1441
1442 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1443
1444         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
1445
1446 2005-04-06  Ben Elliston  <bje@au.ibm.com>
1447
1448         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
1449         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
1450         macros as living in "this file" and not gcc.h.
1451
1452 2005-04-06  Ben Elliston  <bje@au.ibm.com>
1453
1454         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
1455         -ftree-live_range_split.  Perhaps renamed at some point?
1456
1457 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1458
1459         PR target/20625
1460         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
1461         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
1462
1463 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1464
1465         * tree-flow.h (number_of_iterations_cond): Declaration removed.
1466         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
1467         (number_of_iterations_special): New function.
1468         (number_of_iterations_exit): Use number_of_iterations_special.
1469         Use simplify_using_outer_evolutions only at -O3.
1470         (number_of_iterations_cond, tree_simplify_using_condition,
1471         simplify_using_initial_conditions, loop_niter_by_eval,
1472         compare_trees, can_count_iv_in_wider_type_bound,
1473         simplify_using_outer_evolutions): Use fold_build.
1474
1475 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
1476
1477         * doc/install.texi (Configuration): Document --with-java-home.
1478
1479 2005-04-05  Richard Henderson  <rth@redhat.com>
1480
1481         PR target/20342
1482         PR target/20447
1483         * config/i386/i386.c (print_operand): Handle vector zeros.
1484         (ix86_split_to_parts): Handle CONST_VECTOR.
1485         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
1486         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
1487         what modes to tie for MMX and SSE registers.
1488         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
1489         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
1490         to vector modes as well.
1491         * config/i386/predicates.md (const0_operand): Handle VOIDmode
1492         properly as an input mode.
1493
1494 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1495
1496         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
1497
1498 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1499
1500         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
1501
1502 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
1503
1504         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
1505         and local functions, set sse_nregs to 8 and float_in_sse.
1506         (function_arg_advance, function_arg): If float_in_sse, pass
1507         SFmode and DFmode arguments in SSE registers.
1508         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
1509
1510         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
1511         of -funit-at-a-time.
1512
1513 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
1514
1515         * config/i386/i386-protos.h (ix86_function_value): Accept two
1516         arguments, like the target macro.
1517         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
1518         * config/i386/i386.c (ix86_function_value): Accept the second
1519         argument of the target macro.
1520         (ix86_function_ok_for_sibcall): Pass a function pointer to
1521         ix86_function_value.
1522         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
1523         call to ix86_value_regno).
1524         (ix86_value_regno): Add support for returning floating point values
1525         in SSE registers.
1526
1527 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
1528
1529         PR tree-optimization/20076
1530         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
1531         that call __builtin_return or __builtin_apply_args.
1532
1533 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1534
1535         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
1536         Use immediate use iterator.
1537         (stmt_is_bumper_for_loop): Use immediate use iterator.
1538         * predict.c (strip_builtin_expect): Use update_stmt.
1539         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
1540         on all elements of a STATEMENT_LIST.
1541         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
1542         (bsi_remove): Remove imm_use links and mark the stmt as modified.
1543         (bsi_replace): Mark stmt as modified and the update it.
1544         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
1545         (expand_complex_libcal): Call update_stmt.
1546         (expand_complex_comparison): Call mark_stmt_modified.
1547         (expand_complex_operations_1): Call update_stmt_if_modified.
1548         (expand_vector_operations_1): Call mark_stmt_modified.
1549         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
1550         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
1551         add_immediate_use, redirect_immediate_use,
1552         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
1553         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
1554         (mark_new_vars_to_rename): Call update_stmt.
1555         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
1556         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.  
1557         Ignore PHI nodes.
1558         (unmodify_stmt): Delete.
1559         (update_stmt): New.  Force an update of a stmt.
1560         (update_stmt_if_modified): update a stmt if it is out of date.
1561         (get_stmt_operands): Verify stmt is NOT modified. 
1562         (stmt_modified_p): Update comment.
1563         (delink_imm_use): Remove a use node from its immuse list.
1564         (link_imm_use_to_list): Link a use node to a specific list.
1565         (link_imm_use): Link a node to the correct list.
1566         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
1567         it in the correct list, if appropriate.
1568         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
1569         (relink_imm_use): Link a use node in place of another node in a list.
1570         (relink_imm_use_stmt): LInk a node in place of another node, and set
1571         the stmt pointer.
1572         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
1573         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
1574         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
1575         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
1576         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
1577         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
1578         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
1579         (has_zero_uses): New.  Return true if there are no uses of a var.
1580         (has_single_use): New.  Return true if there is only a single use of a
1581         variable.
1582         (single_imm_use): New.  Return the simgle immediate use.
1583         (num_imm_uses): New.  Return the number of immediate uses.
1584         (get_v_must_def_ops): Use is now a pointer.
1585         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
1586         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of 
1587         the use node.
1588         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
1589         (delink_stmt_imm_use): Delink all immuses from a stmt.
1590         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
1591         * tree-flow.h (struct dataflow_d): Delete.
1592         (immediate_use_iterator_d): New.  Immediate use iterator struct.
1593         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
1594         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
1595         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe 
1596         iteration.
1597         (struct stmt_ann_d): Remove dataflow_t from struct.
1598         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
1599         (if_convertible_phi_p): Use FAST immuse iterator.
1600         (if_convertible_loop_p): Don't call compute_immediate_uses.
1601         (replace_phi_with_cond_modify_expr): Call update_stmt.
1602         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call 
1603         update_stmt_if_modified.
1604         (rewrite_all_into_ssa): Initialize ssa operands.
1605         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
1606         compute_immediate_uses.
1607         * tree-optimize.c (execute_todo): Call verify_ssa whenever the 
1608         ssa_property is available.
1609         (execute_one_pass):  Change parameters passed to execute_todo.
1610         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
1611         (remove_ssa_form): Call fini_ssa_operands.
1612         (insert_backedge_copies): Delete call to modify_stmt.
1613         * tree-phinodes.c (make_phi_node): Initialize use nodes.
1614         (release_phi_node): Delink any use nodes before releasing.
1615         (resize_phi_node): Relink any use nodes.
1616         (remove_phi_arg_num): Delink the use node.
1617         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
1618         (remove_all_phi_nodes_for): Release phi node first.
1619         * tree-pretty-print.c (dump_generic_node): Print stmt address.
1620         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
1621         (scalarize_use, scalarize_copy): Call update_stmt.
1622         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
1623         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
1624         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
1625         (ccp_initialize): Remove call to compute_immediate_uses.
1626         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
1627         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified 
1628         stmts.
1629         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
1630         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
1631         (eliminate_redundant_computations): Call mark_stmt_modified.
1632         (cprop_operand): Call mark_stmt_modified.
1633         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
1634         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
1635         (dse_optimize_stmt): Use new immuse interface.
1636         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
1637         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
1638         (substitute_single_use_vars): Use new immuse interface.
1639         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
1640         and compute_immediate_uses.
1641         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse 
1642         interface.
1643         (rewrite_mem_refs): Call update_stmt.
1644         (determine_lsm): Remove call to compute_imm_uses and free_df.
1645         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
1646         (try_unroll_loop_completely): Call update_stmt.
1647         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
1648         (rewrite_use_compare): Call update_stmt.
1649         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
1650         (rewrite_use) : Call update_stmt.
1651         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
1652         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call 
1653         update_stmt.
1654         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
1655         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
1656         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
1657         use nodes.
1658         (initialize_vuse_operand): New.  Initialize a vuse operand.
1659         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
1660         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
1661         (finalize_ssa_defs): Use stmt parameter.
1662         (correct_use_link): Ensure a use node is in the correct list, and has
1663         the correct stmt pointer.
1664         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
1665         finalize_ssa_v_must_defs): Also initialize use nodes.
1666         (finalize_ssa_stmt_operands): Pass extra stmt operands.
1667         (build_ssa_operands): Seperate parsing from final operand construction.
1668         (parse_ssa_operands): New.  Parse entry point for operand building.
1669         (swap_tree_operands): New.  Swap 2 tree operands.
1670         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
1671         operands.
1672         (get_expr_operands): Call swap_tree_operands when needed.
1673         (copy_virtual_operands): Use initialize routines for virtual use ops.
1674         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
1675         (verify_abort): New.  Issue imm_use error.
1676         (verify_imm_links): New Verify imm_use links for a var.
1677         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
1678         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
1679         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
1680         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
1681         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
1682         (NULL_USE_OPERAND_P) Define.
1683         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
1684         use node.
1685         (struct vuse_operand_type): New struct.
1686         (SET_USE): Call set_ssa_use_from_ptr.
1687         (USE_STMT): Define.
1688         (PHI_ARG_INDEX_FROM_USE): Define.
1689         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi 
1690         argument via SET_USE, not PHI_ARG_DEF_TREE.
1691         * tree-ssa-pre.c (eliminate): Call update_stmt.
1692         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
1693         call free_df.
1694         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
1695         (nearest_common_dominator_of_uses): Use imm_use iterator.
1696         (statement_sink_location): Use imm_use iterator and interface.
1697         (execute_sink_code): Don't call compute_immediate_uses or free-df.
1698         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
1699         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
1700         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
1701         (verify_ssa): Ensure no stmt is marked modify after optimization pass
1702         if new parameter is true.
1703         (init_tree_ssa): Don't initialize operand cache here.
1704         (delete_tree_ssa): Don't destroy operand cache here.
1705         (propagate_into_addr): Pass in a use pointer, return true if anything
1706         was changed.
1707         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
1708         (check_phi_redundancy): Use imm_use iterator.
1709         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or 
1710         free_df.
1711         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
1712         (release_ssa_name): Delink node and all elements in its imm_use list.
1713         * tree-tailcall.c (adjust_return_value): Call update_stmt.
1714         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
1715         * tree-vectorizer.c (need_imm_uses_for): Delete.
1716         (vectorize_loops): Dont call compute_immediate_uses or free_df.
1717         * tree.h (struct ssa_imm_use_d): Define.
1718         (SSA_NAME_IMM_USE_NODE): Define.
1719         (struct tree_ssa_name): Add imm_use node.
1720         (PHI_DF): Delete.
1721         (PHI_ARG_IMM_USE_NODE): Define.
1722         (struct phi_arg_d): Add imm_use node.
1723         (struct tree_phi_node): Remove struct dataflow_d element.
1724         (TDF_STMTADDR): Define.
1725
1726 2005-04-05  Dale Johannesen  <dalej@apple.com>
1727
1728         * doc/invoke.texi (Optimization Options):  Remove
1729         duplicate -fcse-follow-jumps.  Add -fweb.
1730         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
1731         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
1732
1733 2005-04-05  Per Bothner  <per@bothner.com>
1734
1735         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
1736         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
1737         (warn_uninit): Get EXPR_LOCUS from context now instead.
1738         This fixes a USE_MAPPED_LOCATION testsuite failure.
1739
1740         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
1741
1742 2005-04-05  Per Bothner  <per@bothner.com>
1743
1744         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
1745         of the artification 'return 0' in main() to BUILTINS_LOCATION.
1746         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
1747         before warning. 
1748
1749 2004-04-05  Devang Patel  <dpatel@apple.com>
1750
1751         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
1752         (lhsr<mode>3): ... new name.
1753         (altivec_vsra<VI_char>): Rename to ..
1754         (ashr<mode>3): ... new name.
1755         * config/rs6000/rs6000.c (builtin_description): Rename shift
1756         operations.
1757         
1758 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
1759
1760         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
1761         gen_lowpart_for_combine.
1762         * cse.c (gen_lowpart_if_possible): Move...
1763         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
1764         gen_lowpart_SUBREG.
1765         (gen_lowpart_no_emit_general): Use it.
1766
1767 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1768
1769         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
1770         overriding.
1771
1772 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
1773
1774         * system.h: Fix typo.
1775
1776 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1777
1778         * config/bfin/bfin-modes.def: New file.
1779         * config/bfin/bfin-protos.h: New file.
1780         * config/bfin/bfin.c: New file.
1781         * config/bfin/bfin.h: New file.
1782         * config/bfin/bfin.md: New file.
1783         * config/bfin/bfin.opt: New file.
1784         * config/bfin/crti.s: New file.
1785         * config/bfin/crtn.s: New file.
1786         * config/bfin/elf.h: New file.
1787         * config/bfin/lib1funcs.asm: New file.
1788         * config/bfin/predicates.md: New file.
1789         * config/bfin/t-bfin: New file.
1790         * config/bfin/t-bfin-elf: New file.
1791         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
1792         Document new attributes.
1793         (interrupt, interrupt_handler, saveall): Update documentation for
1794         these attributes.
1795         * doc/install.texi (Specific): Add entry for the Blackfin.
1796         * doc/invoke.texi (Blackfin Options): New section.
1797         * doc/md.texi (Blackfin family): New section to document constraints.
1798         * config.gcc: Add bfin*-* and bfin*-elf configurations.
1799
1800 2005-04-05  Olivier Hainque  <hainque@adacore.com>
1801         
1802         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
1803         match what the system unwinder expects.
1804         * config/mips/mips.c (mips_frame_set): If we're saving the return
1805         address register and the dwarf return address column number differs
1806         from the hard register number, adjust the note reg to refer to the
1807         former.
1808
1809 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
1810
1811         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
1812         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
1813         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
1814         (processor_type): New enum.
1815         (mn10300_processor): New variable.
1816         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
1817         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
1818         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
1819         (PROCESSOR_DEFAULT): New macro.
1820         * config/mn10300/mn10300.c (mn10300_processor): New variable.
1821         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1822         (mn10300_handle_option, mn10300_override_options): New functions.
1823         * config/mn10300/mn10300.opt: New file.
1824
1825 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1826             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
1827
1828         PR tree-optimization/19903
1829         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
1830         that don't fit in their type after conversion.
1831
1832 2005-04-05  Uros Bizjak <uros@kss-loka.si>
1833
1834         PR target/20421
1835         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
1836         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
1837         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
1838         flag here. Implement using define_insn_and_split.  
1839         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
1840         (frndintxf2_mask_pm_i387): New insn patterns.
1841         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
1842         Do not set ix86_optimize_mode_switching flag.
1843         (ceilsf2, ceildf2, ceilxf2): Same.
1844         (btruncsf2, btruncdf2, btruncxf2): Same.
1845         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
1846
1847 2005-04-05  Ian Lance Taylor  <ian@airs.com>
1848
1849         PR debug/9963
1850         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
1851         i386_pe_record_external_function.
1852         (i386_pe_record_external_function): Update declaration.
1853         * config/i386/winnt.c (struct extern_list): Add decl field.
1854         (i386_pe_record_external_function): Add decl parameter.
1855         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
1856         identifier.
1857         * config/i386/i386-protos.h (i386_pe_record_external_function):
1858         Update declaration.
1859
1860 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
1861
1862         * config/m68k/m68k-protos.h: Add a prototype for
1863         valid_dbcc_comparison_p_2.
1864         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
1865         extend_operator, const_uint32_operand, const_sint32_operand,
1866         general_src_operand, nonimmediate_src_operand,
1867         memory_src_operand, post_inc_operand, pre_dec_operand,
1868         pcrel_address): Move to predicates to predicates.md.
1869         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
1870         * config/m68k/m68k.md: Include predicates.md.
1871         * config/m68k/predicates.md: New.
1872
1873 2005-04-04  Roger Sayle  <roger@eyesopen.com>
1874
1875         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
1876
1877         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
1878
1879 2005-04-04  Ian Lance Taylor  <ian@airs.com>
1880
1881         * c-typeck.c (struct c_switch): Rename switch_stmt field to
1882         switch_expr.
1883         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
1884         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
1885         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
1886         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
1887         * c-common.c (c_do_switch_warnings_1): New static function broken
1888         out of c_do_switch_warnings.
1889         (c_do_switch_warnings): Call c_do_switch_warnings_1.
1890         (c_do_switch_expr_warnings): New function.
1891         * c-common.h (c_do_switch_expr_warnings): Declare.
1892
1893 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
1894             Daniel Jacobowitz  <dan@codesourcery.com>
1895
1896         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
1897         trapping divide.
1898         * rtlanal.c (may_trap_p): Same.
1899
1900 2005-04-04  Dale Johannesen  <dalej@apple.com>
1901
1902         * ChangeLog:  remove reference to ChangeLog.12.
1903
1904 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
1905
1906         CRIS epilogue as RTL.
1907         * config/cris/cris.md: Change all 0 in unspec 0 to
1908         CRIS_UNSPEC_PLT.
1909         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
1910         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
1911         patterns.
1912         ("return"): Change to define_expand.  Call cris_expand_return for
1913         actual expansion.
1914         ("*return_expanded"): New pattern.
1915         ("epilogue"): New define_expand.
1916         * config/cris/cris.h (PREDICATE_CODES): Add
1917         cris_load_multiple_op.
1918         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
1919         type.
1920         (enum cris_retinsn_type): New.
1921         (struct machine_function): New member return_type.
1922         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
1923         (cris_target_asm_function_epilogue): Remove, moving RTLified
1924         contents to...
1925         (cris_expand_epilogue): New function.
1926         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
1927         (cris_gen_movem_load, cris_load_multiple_op)
1928         (cris_return_address_on_stack_for_return, cris_expand_return): New
1929         functions.
1930         (cris_target_asm_function_prologue)
1931         (cris_initial_frame_pointer_offset): Call
1932         cris_reg_saved_in_regsave_area instead of complicated expression.
1933         Call cris_return_address_on_stack instead of an expression.
1934         (cris_print_operand) <case 'o', case 'O'>: New cases.
1935         (cris_return_address_on_stack): Change return-type to bool.
1936         (cris_simple_epilogue): Ditto.  Return false if registers are
1937         saved.
1938         * config/cris/cris-protos.h (cris_simple_epilogue)
1939         (cris_return_address_on_stack): Adjust prototype return type.
1940         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
1941         (cris_return_address_on_stack_for_return): New prototypes.
1942
1943 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
1944
1945         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
1946         gpr_or_int12_operand.
1947
1948         * config/frv/frv-protos.h: Add a prototype to
1949         frv_legitimate_memory_operand and frv_const_unspec_p.
1950         (frv_unspec): Move from frv.c.
1951         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
1952         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
1953         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
1954         gpr_or_fpr_operand, gpr_or_int12_operand,
1955         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
1956         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
1957         int6_operand, int5_operand, uint5_operand, uint4_operand,
1958         uint1_operand, int_2word_operand, uint16_operand,
1959         upper_int16_operand, integer_register_operand,
1960         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
1961         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
1962         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
1963         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
1964         move_destination_operand, movcc_fp_destination_operand,
1965         frv_function_symbol_referenced_p, move_source_operand,
1966         condexec_dest_operand, condexec_source_operand,
1967         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
1968         const_unspec_operand, gpr_or_memory_operand,
1969         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
1970         icc_operand, fcc_operand, cc_operand, icr_operand,
1971         fcr_operand, cr_operand, call_operand, sibcall_operand,
1972         symbolic_operand, relational_operator,
1973         integer_relational_operator, float_relational_operator,
1974         ccr_eqne_operator, minmax_operator,
1975         condexec_si_binary_operator, condexec_si_media_operator,
1976         condexec_si_divide_operator, condexec_si_unary_operator,
1977         condexec_sf_conv_operator, condexec_sf_add_operator,
1978         condexec_memory_operand, intop_compare_operator, acc_operand,
1979         even_acc_operand, quad_acc_operand, accg_operand: Move to
1980         predicates.md.
1981         * config/frv/frv.h (PREDICATE_CODES): Remove.
1982         * config/frv/frv.md: Include predicates.md.
1983         * config/frv/predicates.md: New.
1984
1985 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
1986
1987         PR target/19537
1988         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
1989         * tree-ssa-loop-ivopts.c: Include langhooks.h.
1990         (add_standard_iv_candidates_for_size): New function, extracting code
1991         from add_standard_iv_candidates and parameterizing it by type size.
1992         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
1993
1994 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
1995
1996         * system.h (GCOV_SIZE_TYPE): Unposion.
1997         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
1998         (GCOV_TYPE_SIZE): ...this new macro.
1999         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
2000         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
2001         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
2002         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
2003         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
2004         instead of unsigned_intSI_type_node.
2005         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
2006         (rtl_gen_one_value_profiler_no_edge_manipulation)
2007         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
2008         * value-prof.c: Include coverage.h.
2009
2010 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
2011             Diego Novillo <dnovillo@redhat.com>
2012             
2013         Fix PR tree-optimization/20703
2014         Fix PR tree-optimization/20725
2015         
2016         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
2017         (create_expression_by_pieces): Ditto.
2018         (valid_in_set): Ditto. Also handle tcc_declaration.
2019         (find_or_generate_expression): Handle comparison class.
2020         (insert_into_preds_of_block): Ditto.
2021         (insert_aux): Ditto.
2022         (create_value_expr_from): Handle comparison class, recursively
2023         handle reference nodes.
2024         (compute_avail): Handle comparison classes, rewrite a little cleaner.
2025         (execute_pre): Fix spacing.
2026         (do_fre): Renamed to execute_fre.
2027
2028 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2029
2030         * doc/invoke.texi (SPARC options): Document that
2031         -mlittle-endian is not supported on Linux either.
2032
2033 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2034
2035         PR target/4198
2036         PR target/12027
2037         * config.gcc (Obsolete configurations): Remove
2038         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
2039         (sparclite-*-coff*): Delete.
2040         (sparclite-*-elf*): Likewise.
2041         (sparc86x-*-elf*): Likewise.
2042         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
2043         * config/sparc/lite.h: Delete.
2044         * config/sparc/litecoff.h: Likewise.
2045         * config/sparc/liteelf.h: Likewise.
2046         * config/sparc/sp86x-elf.h: Likewise.
2047         * config/sparc/t-sparclite: Likewise.
2048         * config/sparc/t-sp86x: Likewise.
2049
2050 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
2051
2052         * config/s390/s390-protos.h: (s390_comparison,
2053         s390_alc_comparison, s390_slb_comparison, const0_operand,
2054         consttable_operand, larl_operand, s_operand,
2055         shift_count_operand, bras_sym_operand, load_multiple_operation,
2056         store_multiple_operation, s390_plus_operand): Remove prototypes.
2057         (s390_legitimate_address_without_index_p): New prototype.
2058         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
2059         to s390.h.
2060         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
2061         const0_operand, consttable_operand, larl_operand, s_operand,
2062         shift_count_operand, bras_sym_operand, load_multiple_operation,
2063         store_multiple_operation, s390_plus_operand): Move to
2064         predicates.md.
2065         (check_mode): Remove.
2066         (s390_branch_condition_mask): Remove 'static'. Move prototype to
2067         s390-protos.h.
2068         (s390_legitimate_address_without_index_p): New.
2069         * config/s390/s390.h (PREDICATE_CODES): Remove.
2070         * config/s390/s390.md: Include predicates.md.
2071         * config/s390/predicates.md: New.
2072
2073 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2074
2075         PR target/20446
2076         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
2077         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
2078         (NEED_INDICATE_EXEC_STACK): Define to 1.
2079         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
2080         (NEED_INDICATE_EXEC_STACK): Define to 1.
2081         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
2082         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
2083         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
2084         (pic_helper_emitted_p): New global.
2085         (emit_pic_helper): New function extracted from...
2086         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
2087         Do not call emit_pic_helper if delay_pic_helper is true.
2088         (sparc_expand_prologue): Pass 'false' to load_pic_register.
2089         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
2090         (sparc_file_end): New function.
2091
2092 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2093
2094         * config/mcore/mcore-protos.h: Remove the prototypes for
2095         mcore_arith_reg_operand, mcore_general_movsrc_operand,
2096         mcore_general_movdst_operand, mcore_reload_operand,
2097         mcore_arith_J_operand, mcore_arith_K_operand,
2098         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
2099         mcore_arith_K_S_operand, mcore_arith_imm_operand,
2100         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2101         mcore_literal_K_operand, mcore_addsub_operand,
2102         mcore_compare_operand, mcore_load_multiple_operation,
2103         mcore_store_multiple_operation, mcore_call_address_operand.
2104         Add a prototype for const_ok_for_mcore.
2105         * config/mcore/mcore.c (mcore_call_address_operand,
2106         mcore_general_movsrc_operand, mcore_general_movdst_operand,
2107         mcore_arith_reg_operand, mcore_reload_operand,
2108         mcore_arith_J_operand, mcore_arith_K_operand,
2109         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
2110         mcore_arith_M_operand, mcore_arith_imm_operand,
2111         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2112         mcore_literal_K_operand, mcore_addsub_operand,
2113         mcore_compare_operand, mcore_load_multiple_operation,
2114         mcore_store_multiple_operation): Move to predicates.md.
2115         (const_ok_for_mcore): Export.
2116         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
2117         * config/mcore/mcore.md: Include predicates.md.
2118         * config/mcore/predicates.md: New.
2119
2120         * config/mcore/predicates.md: Fix a comment typo.
2121
2122 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2123             Adrian Straetling  <straetling@de.ibm.com>
2124
2125         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
2126         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
2127         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
2128         attribute.
2129         ("imul"): Removed from "type" attribute.
2130         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
2131         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"): 
2132         Changed type to imulsi.
2133         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
2134
2135 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2136
2137         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
2138         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
2139         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
2140         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
2141         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
2142         (TARGET_SWITCHES, mcore_stack_increment_string)
2143         (TARGET_OPTIONS): Delete.
2144         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
2145         than *_BIT constants.
2146         (TARGET_8ALIGN): #undef old definition before redefining to 1.
2147         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
2148         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
2149         (mcore_override_options): Delete mcore_stack_increment code.
2150         Change use of M340_BIT to MASK_M340.
2151         * config/mcore/mcore.opt: New file.
2152
2153 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2154
2155         * config/arm/arm.c (replace_symbols_in_block): Remove static
2156         function.
2157
2158 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2159
2160         * config/fr30/fr30-protos.h: Remove the prototypes for
2161         stack_add_operand, add_immediate_operand,
2162         high_register_operand, low_register_operand, call_operand,
2163         di_operand, and nonimmediate_di_operand.
2164         * config/fr30/fr30.c (stack_add_operand,
2165         add_immediate_operand, high_register_operand,
2166         low_register_operand, call_operand, di_operand,
2167         nonimmediate_di_operand): Move to predicates.md.
2168         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
2169         * config/fr30/fr30.md: Include predicates.md.
2170         * config/fr30/predicates.md: New.
2171
2172         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
2173         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
2174         mcore_call_address_operand.
2175
2176         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
2177         general_movsrc_operand.
2178
2179 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
2180
2181         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
2182         after freeing.
2183
2184 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
2185
2186         PR target/14812
2187         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
2188         a negated value.
2189
2190 2005-04-04  Richard Henderson  <rth@redhat.com>
2191             Jakub Jelinek  <jakub@redhat.com>
2192
2193         PR rtl-optimization/16104
2194         * fold-const.c (fold_unary): Fix folding of vector conversions.
2195
2196 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2197
2198         * config.gcc (xstormy16-*-elf): Set extra_options.
2199         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
2200         * config/stormy16/stormy16.opt: New file.
2201
2202 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2203
2204         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
2205         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
2206         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
2207         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
2208         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
2209         (TARGET_UNIX_ASM): Delete.
2210         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
2211         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
2212         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
2213         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2214         * config/pdp11/pdp11.opt: New file.
2215
2216 2005-04-03  Roger Sayle  <roger@eyesopen.com>
2217             Alexandre Oliva  <aoliva@redhat.com>
2218
2219         PR c++/19199
2220         * fold-const.c (non_lvalue): Split tests into...
2221         (maybe_lvalue_p): New function.
2222         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
2223         C++ front-end prior to lowering into gimple form.
2224
2225 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2226
2227         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
2228         BUILT_IN_STRNCASECMP): New.
2229         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
2230         and strndup.
2231
2232 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
2233
2234         PR target/14812
2235         * arm.md (addsi3_compare0_for_combiner): Delete.
2236         (addsi3_compare0_scratch_for_combiner): Delete.
2237         (cmpsi_neg_shiftsi): Delete.
2238         (compare_negsi_si): New pattern.
2239         (cmpsi_negshiftsi_si): New pattern.
2240         (negated_cbranchsi4): Restrict to equality_operator.
2241         
2242         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
2243         template.
2244
2245 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2246
2247         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
2248         Fix comment typos.
2249
2250         * doc/install.texi: Fix a typo.
2251
2252 2005-04-03  Steven Bosscher  <stevenb@suse.de>
2253
2254         PR middle-end/20648
2255         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
2256         a computed goto if the edge to the computed goto block has
2257         incoming abnormal edges.  Clarify how the function works.
2258
2259 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
2260
2261         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
2262         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
2263         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
2264         hash_scan_set, reg_set_between_after_reload_p,
2265         reg_used_between_after_reload_p, get_avail_load_store_reg,
2266         eliminate_partially_redundant_load): Likewise.
2267         * postreload.c (reload_cse_simplify_set,
2268         reload_combine_note_use): Likewise.
2269         * predict.c (predict_insn, expected_value_to_br_prob,
2270         propagate_freq, expensive_function_p): Likewise.
2271         * print-rtl.c (print_rtx): Likewise.
2272         * profile.c (instrument_edges, instrument_values,
2273         compute_branch_probabilities, branch_prob, union_groups,
2274         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
2275         * protoize.c (in_system_include_dir, file_could_be_converted,
2276         file_normally_convertible, gen_aux_info_file, seek_to_line,
2277         do_cleaning): Likewise.
2278         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
2279         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
2280         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
2281
2282 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2283
2284         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
2285         * modulo-sched.c (undo_replace_buff_elem): New structure.
2286         (kernel_number_of_cycles, ps_unschedule_node,
2287         undo_generate_reg_moves,free_undo_replace_buff,
2288         undo_permute_partial_schedule,  loop_single_full_bb_p,
2289         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
2290         build_loops_structure, get_sched_window): New.
2291         (generate_reg_moves): Return undo_replace_buff_elem and other
2292         fixes.
2293         (generate_prolog_epilog): Remove old loop versioning.
2294         (sms_schedule): Use loop information and loop_version.
2295         (sms_schedule_by_order): Split part of it to get_sched_window.
2296         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
2297         cfg_layout_finalize and free_dominance_info before/after SMS.
2298
2299 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2300
2301         * cfghooks.c (lv_flush_pending_stmts,
2302         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
2303         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
2304         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
2305         lv_add_condition_to_bb,
2306         lv_adjust_loop_header_phi, extract_cond_bb_edges,
2307         flush_pending_stmts): New in cfg_hooks structure.
2308         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
2309         extract_cond_bb_edges, lv_adjust_loop_header_phi,
2310         lv_add_condition_to_bb): New declarations.
2311         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
2312         bool.
2313         (loop_version): Declare.
2314         * cfgloopmanip.c (cfghooks.h): Include.
2315         (duplicate_loop_to_header_edge): Change return type to bool.
2316         (loop_version, lv_adjust_loop_entry_edge): Move here.
2317         * cfgrtl.c (cfgloop.h): Include.
2318         (rtl_verify_flow_info_1): Fix.
2319         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
2320         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
2321         initialization.
2322         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
2323         tree_lv_add_condition_to_bb): New.
2324         (tree_cfg_hooks): Add new hooks to initialization.
2325         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
2326         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
2327
2328 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2329
2330         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
2331         xstormy16_below100_or_register,
2332         xstormy16_splittable_below100_or_register, and
2333         nonimmediate_nonstack_operand.
2334
2335         * config/stormy16/stormy16-protos.h: Remove the prototypes for
2336         xstormy16_ineqsi_operator, equality_operator,
2337         inequality_operator, shift_operator,
2338         xstormy16_below100_operand, xstormy16_below100_or_register,
2339         xstormy16_splittable_below100_or_register,
2340         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
2341         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
2342         equality_operator, inequality_operator,
2343         xstormy16_below100_operand, xstormy16_below100_or_register,
2344         xstormy16_splittable_below100_or_register,
2345         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
2346         nonimmediate_nonstack_operand, shift_operator): Move to
2347         predicates.md.
2348         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
2349         * config/stormy16/stormy16.md: Include predicates.md.
2350         * config/stormy16/predicates.md: New.
2351
2352 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2353
2354         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
2355         small_int, large_int, reg_or_0_operand, simple_memory_operand,
2356         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
2357         move_operand, power_of_2_operand): Move to predicates.md.
2358         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
2359         PREDICATE_CODE): Remove.
2360         * config/iq2000/iq2000.md: Include predicates.md.
2361         * config/iq2000/predicates.md: New.
2362
2363 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
2364
2365         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
2366         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
2367         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
2368         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
2369         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
2370         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
2371         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
2372         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2373         (TARGET_M68HC11): Delete.
2374         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
2375         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
2376         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
2377         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2378         (nb_soft_regs): Delete.
2379         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
2380         (m68hc11_override_options): Remove the code that caters for MASK_M6811
2381         and MASK_M6812 being set simultaneously.  Change the code that sets
2382         the default m68hc11_soft_reg_count to use integers instead of strings.
2383         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
2384         m68hc11_soft_reg_count (which now has an int type) as the number
2385         of soft registers.
2386         * config/m68hc11/m68hc11.opt: New file.
2387
2388 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2389
2390         * config/fr30/fr30.h (PREDICATE_CODES): Remove
2391         fp_displacement_operand, sp_displacement_operand.
2392
2393         * config/m68hc11/m68hc11-protos.h: Add a prototype for
2394         m68hcc_auto_inc_p.
2395         Remove the prototypes for tst_operand, cmp_operand,
2396         stack_register_operand, d_register_operand,
2397         hard_addr_reg_operand, splitable_operand,
2398         m68hc11_logical_operator, m68hc11_arith_operator,
2399         m68hc11_non_shift_operator, m68hc11_shift_operator,
2400         m68hc11_unary_operator, m68hc11_eq_compare_operator,
2401         non_push_operand, hard_reg_operand, and
2402         reg_or_some_mem_operand.
2403         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
2404         extern.
2405         (tst_operand, cmp_operand, non_push_operand,
2406         splitable_operand, reg_or_some_mem_operand,
2407         stack_register_operand, d_register_operand,
2408         hard_addr_reg_operand, hard_reg_operand,
2409         m68hc11_eq_compare_operator, m68hc11_logical_operator,
2410         m68hc11_arith_operator, m68hc11_non_shift_operator,
2411         m68hc11_shift_operator, m68hc11_unary_operator): Move to
2412         predicates.md.
2413         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
2414         * config/m68hc11/m68hc11.md: Include predicates.md.
2415         * config/m68hc11/predicates.md: New.
2416
2417 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2418
2419         PR debug/19345
2420         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
2421         change checked in along with 2005-03-03's patch for debug/20253.
2422         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
2423         (remap_decl): Insert type decl in map earlier.
2424
2425 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2426
2427         PR tree-optimization/20640
2428         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
2429         post-dominator if it has phi nodes.
2430         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
2431         before dead statements.
2432
2433 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2434
2435         PR middle-end/20491
2436         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
2437
2438 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2439
2440         PR rtl-optimization/20290
2441         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
2442         in every iteration if the entry point is the exit test.
2443
2444 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
2445
2446         * config/cris/cris.md (attribute "length"): Define.
2447
2448 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
2449
2450         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
2451         (word_offset_memref_operand): New.
2452         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
2453         (indexed_or_indirect_operand): Delete.
2454         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
2455         (indexed_or_indirect_operand): Delete.
2456
2457         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
2458
2459         PR 20650
2460         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
2461         a register.
2462
2463         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
2464         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
2465
2466 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
2467
2468         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
2469
2470 2005-04-01  Ian Lance Taylor  <ian@airs.com>
2471
2472         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
2473         (rus, prus): Remove static variables.
2474         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
2475         (process_command): Permit report_times and use_pipes together.
2476
2477 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
2478
2479         * c-decl.c (validate_proto_after_old_defn): Look at
2480         TYPE_MAIN_VARIANT of argument types.
2481
2482 2005-04-01  Paul Brook  <paul@codesourcery.com>
2483
2484         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
2485         (arm_output_function_epilogue): Allow call_via_SP.
2486         (thumb_call_via_reg, arm_file_end): Ditto.
2487         * config/arm/arm.h (struct machine_function): Include space for SP.
2488         (thumb_call_via_label): Update declaration.
2489
2490 2005-04-01  Ian Lance Taylor  <ian@airs.com>
2491
2492         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
2493         doing a peephole optimization, once again put any notes in the
2494         proper position.
2495
2496 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2497
2498         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
2499
2500 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
2501
2502         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
2503         (block_alloc, find_free_reg): Likewise.
2504         * loop-doloop.c (doloop_modify): Likewise.
2505         * loop-invariant.c (record_use): Likewise.
2506         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
2507         get_iv_value, canon_condition, eliminate_implied_condition,
2508         eliminate_implied_condition, simplify_using_initial_values,
2509         shorten_into_mode, canonicalize_iv_subregs,
2510         iv_number_of_iterations): Likewise.
2511         * loop-unroll.c (expand_var_during_unrolling): Likewise.
2512         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
2513         unswitch_loop): Likewise.
2514         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
2515         move_movables, replace_call_address, find_and_verify_loops,
2516         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
2517         record_giv, final_giv_value, general_induction_var,
2518         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
2519         loop_giv_dump): Likewise.
2520
2521         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
2522         GCOV_CHECK_WRITING): Remove.
2523         (gcov_position, gcov_rewrite): Use gcc_assert.
2524         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
2525         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
2526         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
2527         gcc_assert.
2528
2529 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2530
2531         * tree-inline.c: Fix a typo.
2532
2533 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
2534
2535         * configure.ac (enable-checking): Explicitly set all variables for
2536         collective switch values.  Alphabetize variables. Rename
2537         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
2538         synonym for 'no'.
2539         * doc/install.texi (enable-checking): Update documentation.
2540         * configure: Rebuilt.
2541
2542 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2543
2544         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
2545         possible.
2546
2547 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
2548
2549         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
2550         Also reject cases where this pattern will cause load delay stalls
2551         unless optimizing for size and it will produce a shorter sequence.
2552         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
2553         variants to avoid pre-adjusting the base when possible.
2554
2555 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
2556
2557         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
2558         the frame and argument pointers.
2559         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
2560         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
2561         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
2562         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
2563         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
2564         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
2565
2566 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
2567
2568         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
2569         with entry for selectany attribute.
2570         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
2571         Declare.
2572         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
2573         (i386_pe_asm_named_section): Handle sections generated by
2574         selectany attribute.
2575         * doc/extend.texi (selectany): Document attribute.
2576
2577 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
2578             Jan Hubicka  <jh@suse.cz>
2579
2580         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
2581         to fix addresses involving EBP and ESP.
2582         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
2583         for SUBREGed registers.
2584         (legitimate_address_p): Accept SUBREGed registers.
2585
2586 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
2587
2588         PR c++/19406
2589         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
2590         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
2591         for FIELD_DECLs.
2592
2593 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2594
2595         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
2596
2597 2005-04-01  James E Wilson  <wilson@specifixinc.com>
2598
2599         PR c++/20505
2600         * dwarf2out.c (rtl_for_decl_init): New function.
2601         (rtl_for_decl_location): Extracted from here.
2602         (tree_add_const_value_attribute): Call rtl_for_decl_init and
2603         add_const_value_attribute.  Delete initializer_constant_valid_p call.
2604
2605 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2606
2607         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
2608         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
2609         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
2610         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
2611         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
2612         config/i386/i386.md, config/rs6000/predicates.md,
2613         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
2614         config/s390/s390.c, config/stormy16/stormy16.c,
2615         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
2616         typos.
2617
2618 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
2619
2620         PR c/17855
2621         * gimplify.c (gimplify_expr): Create a temporary for lvalue
2622         COND_EXPR and CALL_EXPR.
2623
2624 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
2625
2626         PR target/20632
2627         * genautomata.c (first_cycle_unit_presence): Check all alternative
2628         states for unit presence.
2629
2630         * doc/md.texi: Remove remark about impossibility to query unit
2631         presence in non nondeterministic automaton state.
2632         
2633         * config/ia64/ia64.c (get_template): Change order of unit querying.
2634
2635 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
2636
2637         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
2638         obsolete comment.
2639
2640 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
2641
2642         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
2643         flag for edges outside any loops.
2644
2645 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
2646
2647         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
2648
2649 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
2650
2651         * tree-ssa-alias.c: Follow spelling conventions.
2652         * doc/tree-ssa.texi: Fix a typo.
2653
2654 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
2655
2656         * postreload-gcse.c: Include target.h.
2657         (gcse_after_reload_main): Return early if we cannot modify jumps.
2658         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
2659
2660 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
2661
2662         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
2663         expensive operations.
2664
2665 2005-03-31  Ian Lance Taylor  <ian@airs.com>
2666
2667         * collect2.c (lderrout): New variable.
2668         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
2669         if it is set, to stderr.
2670         (handler): Unlink lderrout if it is set.
2671         (dump_file): Add "to" parameter.  Change all callers.
2672         (main): Initialize lderrout.
2673         (collect_execute): Add errname parameter.  Change all callers.
2674         Rename redir parameter to outname.  Never pass
2675         PEX_STDERR_TO_STDOUT to pex_run.
2676         * collect2.h (collect_execute, dump_file): Update declarations.
2677         * tlink.c (tlink_execute): Add errname parameter.  Change all
2678         callers.
2679         (do_tlink): Check lderrout as well as ldout.
2680
2681 2005-03-31  Caroline Tice  <ctice@apple.com>
2682
2683         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
2684         (bb-reorder.o): Add errors.h to list of requirements.
2685         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
2686         profiledbootstrap flags.
2687         * bb-reorder.c (errors.h): Add new include.
2688         (struct bbro_basic_block_data_def): Add new field, in_trace.
2689         (add_unlikely_executed_notes):  Remove function.
2690         (mark_bb_for_unlikely_executed_section): Remove function.
2691         (insert_section_boundary_note): New function.
2692         (verify_hot_cold_block_grouping): New function.
2693         (push_to_next_round_p): Remove variables and tests that push all
2694         cold blocks to last round.
2695         (find_traces): Remove code that added extra round of trace finding
2696         when doing partitioning.
2697         (find_traces_1_round) :  Remove variable last_round;  add code to 
2698         update new struct field, in_trace; correct trace_length where it was 
2699         incorrect before (after call to copy_bb); change code that pushed all 
2700         cold blocks to last round. Instead verify that all blocks going into 
2701         a trace belong in the same partition.
2702         (connect_traces): Modify to connect the traces in two passes, if the
2703         function contains both hot and cold blocks.  The first pass connects 
2704         all the traces for blocks in the partition that the first block in 
2705         the function belongs to; the second pass connnects all the traces 
2706         containing blocks that belong in the other partition.
2707         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
2708         code that automatically put the first block in a function into the
2709         hot partition if the function had any hot blocks.
2710         (fix_crossing_unconditional_branches): Check number of succ edges 
2711         before attempting to get one.
2712         (fix_edges_for_rarely_executed_code):  Update comment describing
2713         function.
2714         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
2715         remove call to add_unlikely_executed_notes; add call to 
2716         verify_hot_cold_block_grouping.
2717         (duplicate_computed_gotos): Don't change computed goto if it's a 
2718         crossing edge.
2719         (partition_hot_cold_basic_blocks):  Update function comment.
2720         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from 
2721         condition.
2722         (try_forward_edges): Likewise.
2723         (merge_blocks_move_predecessor_nojumps): Likewise.
2724         (merge_blocks_move_successor_nojumps): Likewise.
2725         (merge_blocks_move): Likewise.
2726         (try_crossjump_bb): Likewise.
2727         * cfglayout.c (update_unlikely_executed_notes): Remove function.
2728         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
2729         notes to cold bb's; remove call to update_unlikely_executed_notes.
2730         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
2731         NOTE_INSN_SWITCH_TEXT_SECTIONS.
2732         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
2733         function declaration.
2734         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
2735         from consideration.
2736         (rtl_can_merge_blocks): Remove redundancy from condition.
2737         (try_redirect_by_replacing_jump): Likewise.
2738         (force_nonfallthru_and_redirect): Remove code for adding
2739         UNLIKELY_EXECUTED_CODE notes to cold bb's.
2740         (commit_one_edge_insertion): Likewise.
2741         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
2742         * dbxout.c (FORCE_TEXT): Replace function_section with 
2743         current_function_section.
2744         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
2745         function, switch_text_section.
2746         (struct xcoff_debug): Likewise.
2747         (dbxout_function_end): Add code to put out label diffs for both
2748         hot and cold sections.
2749         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
2750         for new debug_hooks funciton, switch_text_section..
2751         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
2752         switch_text_section.
2753         * dwarf2out.c (struct dw_fde_struct):  Add five new fields: 
2754         dw_fde_hot_section_label, dw_fde_hot_section_end_label, 
2755         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and 
2756         dw_fde_switched_sections.
2757         (output_call_frame_info):  Add test to see if function switches text
2758         sections in the middle; if so, use appropriate extra hot and cold 
2759         section labels to compute size deltas for the hot and cold sections.
2760         (dwarf2out_begin_prologue): Add code to initialize new fields in 
2761         dw_fde_struct.
2762         (dwarf2out_switch_text_section): New function (invoked through 
2763         debug_hook); updates new fields in dw_fde_struct appropriately and
2764         increments separate_line_info_table_in_use.
2765         (dwarf2_debug_hooks): Initialize switch_text_section function to be
2766         dwarf2out_switch_text_section.
2767         (struct var_loc_node): Add new field, section_label.
2768         (output_aranges): Add code to check whether in hot or cold section and
2769         use the appropriate label in calculating deltas.
2770         (output_ranges): Likewise.
2771         (output_line_info): Add code to check which section we're in and
2772         use appropriate hot/cold label.
2773         (add_location_or_constant_value_attribute): Likewise.
2774         (gen_subprogam_die): Modify arange attributes to use correct labels.
2775         (dwarf2out_begin_block): Change call to function_section into call to
2776         current_function_section.
2777         (dwarf2out_end_block): Likewise.
2778         (dwarf2out_source_line): Likewise.
2779         (dwarf2out_var_location): Add code to check whether in hot or cold 
2780         section and use the appropriate label.
2781         * except.c (output_function_exception_table): Change call to 
2782         function_section into call to current_function_section.
2783         * final.c (profile_function): Likewise.
2784         (scan_ahead_for_unlikely_executed_note): Remove function.
2785         (final_scan_insn):  Remove calls to 
2786         scan_ahead_for_unlikely_executed_note, and related code for switching 
2787         to cold section, except for the single time 
2788         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to 
2789         debug_hooks->switch_text_sections; replace appropriate calls to 
2790         function_section with calls to current_function_section.
2791         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add 
2792         test_bb to condition.
2793         (find_if_case_2): Likewise.
2794         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
2795         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
2796         * opts.c (decode_options): Change warning about hot/cold partitioning
2797         with exceptionss to inform (so as not to cause bootstrap failures);
2798         remove warning about partitioning with DWARF debug info.
2799         * output.h (current_function_section): Add new function decl.
2800         (insert_section_boundary_note): Likewise.
2801         (enum in_section): Move this declaration here from varasm.c.
2802         (unlikely_section_label): Likewise.
2803         (unlikely_text_section_name): Likewise.
2804         (last_text_section_name): New global variable.
2805         (last_text_section): Likewise.
2806         (hot_section_label): Likewise.
2807         (hot_section_end_label): Likewise.
2808         (cold_section_end_label): Likewise.
2809         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
2810         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
2811         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
2812         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note 
2813         insn from consideration.
2814         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function, 
2815         switch_text_section.
2816         * varasm.c (basic-block.h): Add new include.
2817         (unlikely_section_label_printed): Remove global variable.
2818         (unlikely_section_label): Make global variable not be static any more.
2819         (unlikely_text_section_name): Likewise.
2820         (hot_section_end_label): New global variable (not static)
2821         (first_function_block_is_cold): Likewise.
2822         (hot_section_label): Likewise.
2823         (cold_section_end_label): Likewise..
2824         (last_text_section): New global variable, not static.
2825         (last_text_section_name): New global variable, not static.
2826         (initialize_cold_section_name): New function.
2827         (enum in_section): Move declaration to output.h.
2828         (text_section): Update last_text_section.
2829         (unlikely_text_section): Replace code to determine cold section name 
2830         with call to initialize_cold_section_name; Add code to update 
2831         last_text_section; remove code for printing out label.
2832         (named_section_real): Add code to update last_text_section and 
2833         last_text_section_name as appropriate.
2834         (function_section): Change test for 'unlikely' to depend on
2835         first_function_block_is_cold (moved old test to 
2836         current_function_section).
2837         (current_function_section): New function.
2838         (assemble_start_function): Move code that frees 
2839         unlikely_text_section_name; initialize hot_section_end_label; 
2840         print hot and cold section labels at the start of the function; 
2841         set first_function_block_is_cold, if appropriate; initialize l
2842         ast_text_section; add call to insert_section_boundary_note.
2843         (assemble_end_function):  Add code to write out hot and cold section
2844         end labels.
2845         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
2846         switch_text_section.
2847         * config/darwin.c (machopic_select_section): Replace incorrect 
2848         function in base_funs; update reloc for cold sections if necessary.
2849         * config/darwin.h (SECTION_FUNCTION):  Add code to update 
2850         last_text_section if appropriate.
2851         (text_unlikely_section): Remove.
2852         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
2853         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
2854         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
2855         partitioning for this architecture.
2856
2857 2005-03-31  Olivier Hainque  <hainque@adacore.com>
2858
2859         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
2860         defined and non-zero.
2861
2862 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2863
2864         PR c++/18644
2865         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
2866         semantics. 
2867
2868 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
2869
2870         PR target/20611
2871         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
2872         label operand.  Remove (use (unspec..)).  Don't emit a label on
2873         the offset word.
2874         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
2875         generate inline label for load_toc_v4_PIC_1b.
2876         (rs6000_emit_load_toc_table): Likewise.
2877
2878 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
2879
2880         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
2881         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
2882
2883 2005-03-29  Devang Patel  <dpatel@apple.com>
2884
2885         * tree-sra.c (decide_block_copy): Disable scalarization of
2886         sub-elements.
2887         
2888 2005-03-30  Stuart Hastings  <stuart@apple.com>
2889             Dale Johannesen  <dalej@apple.com>
2890
2891         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
2892         * print-tree.c (print_node):  Add case STATEMENT_LIST.
2893
2894 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
2895
2896         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
2897         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
2898         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
2899         is given with "powerpc64*" or "all", or when --with-cpu chooses
2900         a 64-bit cpu.
2901
2902 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
2903
2904         PR debug/20268
2905         * dwarf2out.c (add_high_low_attributes): New function, extracted from
2906         gen_lexical_block_die.
2907         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
2908
2909 2005-03-31  Jan Hubicka  <jh@suse.cz>
2910
2911         2004-11-02  Jan Hubicka  <jh@suse.cz>
2912
2913         * cgraph.c (cgraph_varpool_node_name): New function.
2914         (dump_cgraph_varpool_node): New function.
2915         (dump_varpool): New function.
2916         * cgraphunit.c (cgraph_optimize): Dump varpool.
2917
2918         2004-10-16  Jan Hubicka  <jh@suse.cz>
2919
2920         * cgraph.c (decide_is_variable_needed): New function.
2921         (cgraph_varpool_finalize_decl): Use it.
2922         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
2923         unit-at-a-time.
2924         * final.c (output_addr_const): Do not call mark_referenced.
2925         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
2926         always go via cgraph.
2927         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
2928         (check_global_declarations): Ifdef out code clearing DECL_RTL.
2929         * tree-optimize.c (execute_inline): Mark functions called.
2930         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
2931
2932         2004-10-11  Jan Hubicka  <jh@suse.cz>
2933
2934         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
2935         (cgraph_varpool_last_needed_node): New static variable.
2936         (enqueue_needed_varpool_node): Break out from ...; add items to the
2937         end of queue; update first pointers.
2938         (cgraph_varpool_mark_needed_node): ... here.
2939         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
2940         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
2941         * cgraph.h (cgraph_varpool_node): Add analyzed field.
2942         (cgraph_varpool_first_unanalyzed_node): Declare.
2943         * cgraphunit.c: Include output.h.
2944         (cgraph_varpool_analyze_pending_decls): New function.
2945         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
2946         for errors, analyze pending decls.
2947         (cgraph_finalize_compilation_unit): Only analyze decls.
2948         (cgraph_optimize): Assemble the decls after expanding.
2949
2950 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
2951
2952         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
2953         subvars get marked properly in tags for grouping.
2954         (add_pointed_to_var): Mark only actual pointed to
2955         variables/subvars in addresses needed.
2956         (create_overlap_variables_for): Clear call clobbered on original
2957         variable.
2958         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
2959         addresable vars with subvars into list.
2960         * tree-ssa.c (verify_ssa_name): Verify original is not used where
2961         subvar should be.
2962
2963 2005-03-30  Richard Henderson  <rth@redhat.com>
2964
2965         * cgraph.h (struct cgraph_node): Add alias.
2966         * varasm.c (assemble_alias): Set it.
2967         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
2968         avoid calling cgraph_expand_function.
2969
2970 2005-03-30  Tom Tromey  <tromey@redhat.com>
2971
2972         * tree.def (FILE_TYPE): Removed.
2973         * typeclass.h (enum type_class): Removed file_type_class.
2974         * dwarf2out.c (is_base_type): Updated.
2975         (gen_type_die): Likewise.
2976         * dbxout.c (dbxout_type): Updated.
2977         * builtins.c (type_to_class): Updated.
2978         * tree.c (type_contains_placeholder_1): Updated.
2979         * config/sparc/sparc.c (sparc_type_code): Updated.
2980         * config/ia64/ia64.c (hfa_element_mode): Updated.
2981         * expr.c (count_type_elements): Updated.
2982         * stor-layout.c (layout_type): Updated.
2983         * tree-inline.c (remap_type): Updated.
2984         * tree-pretty-print.c (dump_generic_node): Updated.
2985
2986 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
2987
2988         * builtins.c (expand_builtin_powi): Fix mode of
2989         2nd argument to match int.
2990         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
2991         2nd argument type to int.
2992         * libgcc2.c: Change prototype of __powi* functions to use
2993         int.
2994
2995 2005-03-30  Dale Johannesen  <dalej@apple.com>
2996
2997         PR middle-end/19225
2998         * calls.c (expand_call):  Flush pending deferrals before
2999         throwing call.
3000
3001 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3002
3003         PR c/772
3004         PR c/17913
3005         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
3006         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
3007         c_label_context, label_context_stack): New.
3008         * c-decl.c (define_label): Check for jumps into statement
3009         expressions.  Add label to list of defined labels.
3010         (start_function): Push context on label_context_stack.
3011         (finish_function): Pop context from label_context_stack.
3012         * c-typeck.c (label_context_stack): New.
3013         (c_finish_goto_label): Check for jumps into statement
3014         expressions.  Add label to list of jumped to labels.
3015         (struct c_switch): Add blocked_stmt_expr.
3016         (c_start_case): Initialize it.
3017         (do_case): Check it.
3018         (c_finish_case): Verify !blocked_stmt_expr.
3019         (c_begin_stmt_expr):  Push context on label_context_stack.
3020         Increment blocked_stmt_expr.  Mark labels jumped to from outside
3021         as undefinable.
3022         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
3023         defined in the statement expression and no longer jumpable to.
3024         Mark labels jumped to from just outside the statement expression
3025         as again definable.  Pop context from label_context_stack.
3026         * doc/extend.texi (Statement Exprs): Update.
3027
3028 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3029
3030         PR c/20368
3031         * c-decl.c (start_function): Check for old_decl being
3032         error_mark_node.
3033
3034 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3035
3036         * final.c (final): Remove prescan parameter.  Change all callers.
3037         (final_scan_insn): Remove prescan parameter.  Change all callers.
3038
3039 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
3040
3041         * tree-vectorizer.c: Fix comment typos.
3042
3043 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
3044
3045         * tree-scalar-evolution.c (instantiate_parameters_1): Return
3046         as soon as a chrec_dont_know is detected.
3047
3048 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
3049
3050         Merge from csl-arm-branch.
3051         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
3052
3053         * tlink.c (recompile_files): Do not assume that "rename" can
3054         overwrite an existing file.
3055
3056 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
3057
3058         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
3059         * gcc/configure: Regenerate.
3060
3061 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3062
3063         * doc/install.texi: Update binutils requirement for powerpc*-linux.
3064
3065         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
3066
3067         * calls.c (struct arg_data): Update "partial" comment.
3068         (load_register_parameters): Update "nregs" comment.
3069
3070 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3071
3072         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
3073         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
3074         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
3075         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
3076         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
3077         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
3078         than target_flags & 0.
3079         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
3080         (iq2000_arch, iq2000_parse_cpu): Delete.
3081         (TARGET_HANDLE_OPTION): Override default.
3082         (iq2000_handle_option): New function.
3083         (override_options): Remove -march= and -mcpu= handling.
3084         * config/iq2000/iq2000.opt: New file.
3085
3086 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3087
3088         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
3089         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
3090         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
3091         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
3092         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
3093         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
3094         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
3095         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
3096         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
3097         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
3098         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
3099         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
3100         (c4x_rpts_cycles_string, c4x_cpu_version_string)
3101         (TARGET_OPTIONS): Delete.
3102         (c4x_rpts_cycles, c4x_cpu_version): Declare.
3103         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
3104         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
3105         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
3106         (c4x_cpu_version_string): Delete.
3107         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3108         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
3109         equivalent -mcpu= option.
3110         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
3111         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
3112         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
3113         or clearing the appropriate MASK_* bit.
3114         (c4x_file_start): Use c4x_cpu_version.
3115         * config/c4x/c4x.opt: New file.
3116
3117 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3118
3119         * doc/options.texi: Document the new MaskExists flag.
3120         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
3121         if the option has the MaskExists flag.
3122
3123 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3124
3125         * opt-functions.awk (flag_set_p, test_flag): New functions.
3126         (switch_flags): Use them.
3127         * opth-gen.awk: Use flag_set_p to check for flags.
3128         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
3129
3130 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3131
3132         * config.host (i[34567]86-*-mingw32*): Don't set
3133         host_can_use_collect2 to no.
3134
3135 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3136
3137         PR target/20203
3138         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
3139         Remove convert_memory_address call duplicating that in memory_address.
3140
3141 2005-03-29  Richard Henderson  <rth@redhat.com>
3142
3143         PR c/20519
3144         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
3145         (build_compound_literal): Likewise.  Propagate decl type into the
3146         initializer.
3147         (finish_decl): Likewise.  Use new return value from complete_array_type
3148         for zero sized arrays.
3149         (complete_array_type): Move ...
3150         * c-common.c (complete_array_type): ... here.  Change first argument
3151         to pointer-to-type-node.  Consistently use sizetype for the index
3152         except for zero sized arrays.  Detect zero sized arrays for pedantic
3153         mode diagnostics.  Create a new type node instead of modifying the
3154         old node in place.
3155         * c-tree.h (complete_array_type): Move decl ...
3156         * c-common.h (complete_array_type): ... here.
3157
3158 2005-03-29  Richard Henderson  <rth@redhat.com>
3159
3160         PR tree-opt/19108
3161         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
3162
3163 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
3164
3165         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
3166         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
3167         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
3168         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
3169
3170 2005-03-29  Eric Christopher  <echristo@redhat.com>
3171
3172         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
3173         truthvalue conversion removal.
3174
3175 2005-03-29  Ian Lance Taylor  <ian@airs.com>
3176
3177         PR bootstrap/14316
3178         * collect2.c: Never include <vfork.h>.
3179         (VFORK_STRING, vfork): Don't define.
3180         (pid): Remove global variable.
3181         (handler): Call raise instead of kill (getpid(), ...).
3182         (collect_wait): Add pex parameter.  Change all callers.  Use
3183         pex_get_status rather than pwait.
3184         (do_wait): Add pex parameter.  Change all callers.
3185         (collect_execute): Return struct pex_obj * rather than void.  Use
3186         pex routines rather than pexecute.
3187         (fork_execute): Get pex_obj from collect_execute, and pass it to
3188         do_wait.
3189         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
3190         Only declare quit_handler if SIGQUIT is defined.
3191         (scan_libraries): Likewise.
3192         * collect2.h (collect_execute): Update declaration.
3193         (collect_wait): Update declaration.
3194         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
3195         pass it to collect_wait.
3196
3197 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
3198
3199         PR c/20672
3200         * c-parser.c (c_parser_compound_statement_nostart): Give error
3201         message for EOF instead of just setting parser->error.
3202
3203 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
3204
3205         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
3206         (slpeel_update_phi_nodes_for_guard1): New function.
3207         (slpeel_update_phi_nodes_for_guard2): New function.
3208         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
3209         of slpeel_update_phi_nodes_for_guard.
3210         (vectorize_loops): Remove call to loop_closed_rewrite.
3211         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
3212         assertion.
3213
3214 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
3215
3216         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
3217         (TARGET_LITTLE_ENDIAN): New macro.
3218         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
3219         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
3220         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
3221         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
3222         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
3223         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
3224         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
3225         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
3226         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
3227         (TARGET_OPTIONS): Delete.
3228         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
3229         (CACHE_FLUSH_TRAP): Turn into an integer.
3230         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
3231         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
3232         -mflush-trap is in use.
3233         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
3234         (m32r_cache_flush_trap_string): Delete.
3235         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
3236         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
3237         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
3238         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3239         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
3240         -mmodel= and -msdata= handling from...
3241         (m32r_init): ...here.
3242         * config/m32r/m32r.opt: New file.
3243
3244 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
3245
3246         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
3247         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
3248         * tree-vect-analyze.c (vect_object_analysis): additional parm
3249         pass back a "struct ptr_info_def *" with the points-to info.
3250         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
3251         statement using info returned from vect_object_analysis.
3252         * tree-vect-transform.c (update_vuses_to_preheader): New function.
3253         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
3254         for virtual uses and defs when creating a replacement vector
3255         reference.  Call duplicate_ssa_name_ptr_info to define points-to
3256         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
3257         (vectorizable_store): copy_virtual_operands and update
3258         definition statements.
3259         (vectorizable_load): copy_virtual_operands.  Remove call to
3260         mark_call_clobbered_vars_to_rename for call to "const" builtin.
3261         * tree-vectorizer.c (vectorize_loops): Remove calls to
3262         rewrite_into_ssa and bitmap_clear (vars_to_rename).
3263         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
3264         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
3265         define macro STMT_VINFO_PTR_INFO for use in accessing.
3266         * tree.h add export of duplicate_ssa_name_ptr_info.
3267         * rs6000.c (altivec_init_builtins): Declare builtin function
3268         __builtin_altivec_mask_for_load to be "const".
3269
3270 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
3271
3272         PR middle-end/20622
3273         * cgraph.h (struct cgraph_varpool_node): Add alias field.
3274         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
3275         assemble_variable on aliases.
3276         * varasm.c (assemble_alias): Set node->alias.
3277         * toplev.c (wrapup_global_declarations): Don't call
3278         rest_of_decl_compilation on aliases again.
3279
3280 2005-03-29  Paul Brook  <paul@codesourcery.com>
3281
3282         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
3283         * config/arm/arm.c (arm_dbx_register_number): New function.
3284         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
3285
3286 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
3287
3288         PR middle-end/20263
3289         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
3290         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
3291
3292 2005-03-29  Dale Johannesen <dalej@apple.com>
3293
3294         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
3295         $(TREE_H) and $(COVERAGE_H).
3296         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
3297         * opts.c (common_handle_option): Enable tree-based value transforms.
3298         * toplev.c (process_options): Ditto.
3299         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
3300         refers to references to this type.
3301         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
3302         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
3303         for may_be_more, may_be_less.
3304         (rtl_gen_pow2_profiler): Adjust.
3305         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
3306         (rtl_gen_one_value_profiler): Adjust.
3307         (rtl_gen_const_delta_profiler): Adjust.
3308         * tree-profile.c (tree_gen_interval_profiler): Implement.
3309         (tree_gen_pow2_profiler): Ditto.
3310         (tree_gen_one_value_profiler): Ditto.
3311         (tree_profiling): New.
3312         (pass_tree_profile): Reference it.
3313         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
3314         tree.h, gcov-io.h.
3315         (insn_divmod_values_to_profile): Rename to
3316         rtl_divmod_values_to_profile. Adjust.
3317         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
3318         (insn_prefetch_values_to_profile): Adjust.
3319         (rtl_value_profile_transformations): Adjust.
3320         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
3321         (gen_mod_pow2): Rename to rtl_mod_pow2.
3322         (gen_mod_subtract): Rename to rtl_mod_subtract.
3323         (divmod_fixed_value_transform): Rename to
3324         rtl_divmod_fixed_value_transform.
3325         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
3326         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
3327         (rtl_find_values_to_profile): Adjust.
3328         (tree_value_profile_transformations): Implement.
3329         (tree_divmod_values_to_profile): New.
3330         (tree_values_to_profile): New.
3331         (tree_divmod_fixed_value): New.
3332         (tree_mod_pow2): New.
3333         (tree_mod_subtract): New.
3334         (tree_divmod_fixed_value_transform): New.
3335         (tree_mod_pow2_value_transform): New.
3336         (tree_mod_subtract_transform): New.
3337         (tree_find_values_to_profile): Implement.
3338         * profile.c (instrument_values):  Free histograms.
3339         (compute_value_histograms): Adjust. Implement tree version.
3340
3341 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
3342
3343         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
3344         * config/i386/i386.c (output_fix_trunc): Add new round_mode
3345         variable.  Output "fldcw" depending on round_mode.
3346         * config/i386/i386.md (UNSPEC_FIST): New.
3347         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
3348         New isns patterns to implement lrint and llrint built-ins as x87
3349         intrinsic function.
3350         (fistdi2, fist<mode>2 splitters): New splitters.
3351         (lrint<mode>2): New expanders.
3352
3353 2005-03-28  Ian Lance Taylor  <ian@airs.com>
3354
3355         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
3356         0 when calling final_scan_insn.
3357
3358 2005-03-28  Jan Hubicka  <jh@suse.cz>
3359
3360         PR middle-end/20635
3361         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
3362         as needed.
3363
3364         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
3365         types where possible.
3366
3367 2005-03-26  Per Bothner  <per@bothner.com>
3368
3369         Make -f[no-]show-column also control non-cpp diagnostics.
3370         * c.opt (fshow-column): Move option from here ...
3371         * common.opt (fshow-column): ... to here.
3372         * diagnostic.c (diagnostic_build_prefix): Only print column number
3373         if flag_show_column.
3374
3375 2005-03-27  Steven Bosscher  <stevenb@suse.de>
3376
3377         * vax-protos.h (vax_output_int_move, vax_output_int_add,
3378         vax_output_conditional_branch): New prototypes.
3379         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
3380         extracted from vax.md mov and add patterns.
3381         (vax_output_conditional_branch): New function to output conditional
3382         branch instructions.
3383         * vax.md: Use mode macros for arithmetic and mov patterns.
3384         Use code macros for the jump patterns.
3385
3386 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3387
3388         * Makefile.in (libbackend.o): Depend on version files;
3389         add custom generation command.
3390
3391 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3392
3393         PR target/20636
3394         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
3395         sure that we have a REG before getting its REGNO.
3396
3397 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3398
3399         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
3400         * builtins.def (BUILT_IN_STRNDUP): New.
3401
3402 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
3403
3404         PR tree-optimization/20470
3405         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
3406         ABS(x-y).
3407
3408 2005-03-25  Mike Stump  <mrs@apple.com>
3409
3410         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
3411         sized objects.
3412
3413 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
3414
3415         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
3416         Use our own structure definitions.
3417
3418         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
3419         (fix_truncdfsi2): Allow registers or memory as destination.
3420         When TARGET_PPC_GFXOPT, generate simplified pattern.
3421         (fix_truncdfsi2_internal): Use define_insn_and_split.
3422         (fix_truncdfsi2_internal_gfxopt): New.
3423         (fctiwz): Don't confuse register allocation by giving it no choices.
3424         (stfiwx): New.
3425         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
3426         (EXTRA_MEMORY_CONSTRAINT): Likewise.
3427         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
3428         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
3429
3430 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
3431
3432         * dominance.c (free_dominance_info): Speed up by freeing et
3433         data structures without maintaining other nodes.
3434         * et-forest.c (et_free_tree_force): New.
3435         * et-forest.h: Add a prototype for et_free_tree_force.
3436
3437         * tree.c (get_set_constructor_bits,
3438         get_set_constructor_bytes): Remove.
3439         * tree.h: Remove the corresponding prototypes.
3440
3441 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
3442
3443         PR target/15491
3444         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
3445         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
3446         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
3447         PRE_DEC, NEG and NOT.
3448
3449 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
3450
3451         * fold-const.c: Convert uses of fold (build (...)) to
3452         fold_buildN.
3453
3454 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
3455
3456         PR rtl-optimization/20249
3457         * cse.c (insert_regs): Do not record equivalence of registers in
3458         different modes.
3459
3460 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
3461
3462         * emit-rtl.c (reverse_comparison): Remove.
3463         * rtl.h: Remove the corresponding prototype.
3464
3465 2005-03-24  James E Wilson  <wilson@specifixinc.com>
3466
3467         * doc/install.texi (--enable-altivec): Delete docs.
3468
3469 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
3470
3471         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
3472         SFmode and DFmode before reload when
3473         flag_unsafe_math_optimizations not enabled.
3474
3475 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
3476
3477         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
3478
3479         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
3480         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
3481
3482 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
3483
3484         * configure.ac (enable-checking): Add 'runtime' option.
3485         * doc/install.texi (enable-checking): Document 'runtime' checking.
3486         * tsystem.h (gcc_assert, gcc_unreachable): Define.
3487         * config.in: Regenerated.
3488         * configure: Regenerated.
3489
3490 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
3491
3492         * optabs.h (enum optab_index): Remove OTI_llrint.
3493         (llrint_optab): Remove macro.
3494         * optabs.c (init_optabs): Remove llrint_optab initialization.
3495         * genopinit.c (optabs): Remove llrint_optab implementation.
3496         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
3497         using lrint_optab.
3498
3499 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
3500
3501         PR rtl-optimization/20532
3502         * simplify-rtx.c (simplify_binary_operation_1): Protect from
3503         overflow when adding coefficients for PLUS or MINUS.
3504         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
3505         two as multiplier.
3506
3507 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3508
3509         * langhooks.h (truthvalue_conversion): Remove.
3510         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
3511         LANG_HOOKS_TRUTHVALUE_CONVERSION.
3512         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
3513         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
3514         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
3515
3516 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
3517
3518         * params.def: Fix a typo.
3519         * config/mips/mips.c: Follow the spelling convensions.
3520         * doc/invoke.texi: Fix typos.
3521
3522 2005-03-18  Dale Johannese  <dalej@apple.com>
3523
3524         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
3525
3526 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
3527
3528         Fix PR tree-optimization/20601
3529
3530         * tree-ssa-pre.c (insert_aux): Add missing condition to
3531         constification.
3532
3533 2005-03-23  Ian Lance Taylor  <ian@airs.com>
3534
3535         * final.c (final_scan_insn): Don't remove no-op instructions.
3536         * reload1.c (reload): Remove simple no-op instructions even when
3537         not optimizing.
3538
3539 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
3540
3541         PR tree-optimization/20501
3542         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
3543         reporting that peeling for alignment is applied moved to...
3544         * (vect_analyze_data_refs_alignment): Here.
3545
3546 2005-03-23  Ian Lance Taylor  <ian@airs.com>
3547
3548         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
3549
3550 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3551
3552         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
3553         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
3554
3555 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
3556
3557         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
3558         imply that this is called once, independent of asms in code.
3559         Adjust to now being pased output and input lists.  Mention helper
3560         function decl_overlaps_hard_reg_set_p.
3561         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
3562         hook_tree_tree_identity and to take three trees, returning third.
3563         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
3564         prototype.
3565         * stmt.c: include hard-reg-set.h before tree.h.
3566         (decl_overlaps_hard_reg_set_p): New function, broken out from...
3567         (decl_conflicts_with_clobbers_p): Call
3568         decl_overlaps_hard_reg_set_p.
3569         (expand_asm_operands): Pass output and input lists in call to
3570         targetm.md_asm_clobbers.
3571         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
3572         hook_tree_tree_tree_tree_3rd_identity.
3573         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
3574         parameters.
3575         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
3576         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
3577         parameters, first two unused.
3578         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
3579         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
3580         in constraint letters and MOF is not mentioned as a asm-declared
3581         register in neither of the input and output lists.
3582
3583 2005-03-23  DJ Delorie  <dj@redhat.com>
3584
3585         * optabs.c (expand_binop): Make sure the first subword's result
3586         gets stored.
3587
3588 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3589
3590         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
3591         Call c_common_truthvalue_conversion rather than
3592         lang_hooks.truthvalue_conversion.
3593         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
3594         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
3595         c-typeck.c.
3596         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
3597         c_common_truthvalue_conversion.
3598         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
3599         c_parser_conditional_expression, c_parser_binary_expression): Call
3600         c_objc_common_truthvalue_conversion.
3601         * c-typeck.c (build_unary_op): Call
3602         c_objc_common_truthvalue_conversion.
3603         (build_conditional_expr): Do not call
3604         lang_hooks.truthvalue_conversion.
3605         (build_binary_op): Call c_common_truthvalue_conversion.
3606         (c_objc_common_truthvalue_conversion): Moved from
3607         c-objc-common.c.  Call default_function_array_conversion instead
3608         of default_conversion.
3609
3610 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3611
3612         * c-common.h (default_conversion): Remove.
3613         (perform_integral_promotions): Add.
3614         * c-tree.h (default_conversion): Add.
3615         * c-typeck.c (perform_integral_promotions): New, split out from
3616         default_conversion.
3617         * c-common.c (check_case_value): Use perform_integral_promotions,
3618         not default_conversion.
3619         (c_add_case_label): Don't continue processing case label after
3620         found to be pointer.
3621
3622 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
3623
3624         * gcc.c (do_spec_1): Do not add a -L path for a directory in
3625         the prefix list if we have already added a multilib directory
3626         based on that path.
3627         (main): Do not add MD_EXEC_PREFIX to the list of directories to
3628         search with -L.
3629
3630 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
3631
3632         * reload1.c (indirect_symref_ok, reload_obstack): Make them
3633         static.
3634         * reload.h: Remove the prototype for indirect_symref_ok.
3635
3636         * reload1.c (indirect_symref_ok): Make it global.
3637         * reload.h: Add a prototype for indirect_symref_ok.
3638
3639 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
3640
3641         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
3642         ashlhi3 expander.
3643
3644 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3645
3646         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
3647
3648 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
3649
3650         * c-opts.c (c_common_parse_file): Only start/end main source file
3651         if debug hooks says the writer wants it.
3652         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
3653         member.
3654         (xcoff_debug_hooks): Ditto.
3655         * debug.c (do_nothing_hooks): Ditto.
3656         * debug.h (gcc_debug_hooks): Ditto.
3657         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
3658         * sdbout.c (sdb_debug_hooks): Ditto.
3659         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
3660
3661 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
3662
3663         * doc/extend.texi: Deprecate C++ min/max operators.
3664
3665 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
3666
3667         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
3668         artificial original candidates.
3669
3670 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
3671             Jan Hubicka  <jh@suse.cz>
3672             Steven Bosscher <stevenb@suse.de>
3673
3674         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
3675         call cost based on argument sizes.
3676         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
3677         inlining.
3678         * params.def: (max-inline-inssn-single): Set to 450.
3679         (max-inline-insns-auto): Set to 90.
3680         (max-inline-insns-recursive): Set to 450
3681         (max-inline-insns-recursive-auto): Set to 450.
3682         (large-function-insns): Set to 2700.
3683         (inline-call-cost): New parameter.
3684         * tree-inline.c (estimate_move_cost): New function.
3685         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
3686         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
3687         based on arguments.
3688         * tree-inline.h (estimate_move_cost): Declare.
3689         * invoke.texi: (max-inline-inssn-single): Change default to 450.
3690         (max-inline-insns-auto): Change default to 90.
3691         (max-inline-insns-recursive): Change default to 450
3692         (max-inline-insns-recursive-auto): Change default to 450.
3693         (large-function-insns): Change default to 2700.
3694         (inline-call-cost): Document new parameter.
3695
3696 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
3697
3698         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
3699         (TARGET_DEFAULT): Delete.
3700         * config/i860/i860.opt: New file.
3701
3702 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
3703
3704         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
3705         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
3706         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
3707         (frv_sched_lookahead): Delete.
3708         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
3709         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
3710         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
3711         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
3712         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
3713         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
3714         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
3715         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
3716         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
3717         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
3718         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
3719         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
3720         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
3721         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
3722         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
3723         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
3724         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
3725         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
3726         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
3727         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
3728         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
3729         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
3730         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
3731         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
3732         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
3733         (frv_sched_lookahead): Delete.
3734         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
3735         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3736         (frv_handle_option): New function.  Move -mcpu= handling from...
3737         (frv_override_options): ...here.  Remove handling of other
3738         TARGET_OPTIONS.
3739         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
3740         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
3741         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
3742         and TARGET_NO_MULTI_CE.
3743         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
3744         !TARGET_VLIW_BRANCH.
3745         * config/frv/frv.opt: New file.
3746
3747 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
3748
3749         * fold-const.c (fold_ternary): Take decomposed arguments of
3750         CALL_EXPR.
3751         (fold): Update a call to fold_ternary.
3752
3753         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
3754         * tree.h: Add corresponding prototypes.
3755
3756 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
3757
3758         PR target/20561
3759         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
3760         between jump table and its label.
3761         * final.c (shorten_branches): Handle notes in between ADDR_VEC
3762         resp. ADDR_DIFF_VEC and the label preceeding it.
3763         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
3764         is emitted in the right section.
3765
3766 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
3767
3768         * fold-const.c (fold_unary, fold_binary): Update comments
3769         about arguments.
3770
3771 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
3772
3773         PR rtl-optimization/20527
3774         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
3775         REG_INC note, test that the register also isn't mentioned in PRED
3776         or SUCC.
3777
3778 2005-03-22  Ben Elliston  <bje@au.ibm.com>
3779
3780         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
3781         and definition.
3782
3783 2005-03-21  Mike Stump  <mrs@apple.com>
3784
3785         * varasm.c (default_assemble_visibility): Remove extra ().
3786
3787 2005-03-21  Roger Sayle  <roger@eyesopen.com>
3788
3789         PR middle-end/20557
3790         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
3791         to determine whether a block can be duplicated, rather than test
3792         whether the block contains noncopyable insns ourselves.
3793
3794 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3795
3796         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
3797         predicates.
3798
3799 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
3800
3801         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
3802
3803 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
3804
3805         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
3806         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
3807         * config/fr30/fr30.opt: New file.
3808
3809 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
3810
3811         Fix PR tree-optimization/20542
3812
3813         * tree-flow-inline.h (overlap_subvar): Move to here.
3814         * tree-ssa-operands.c: From here.
3815         * tree-flow.h (overlap_subvar): Declare.
3816         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
3817         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
3818         for variables with subvars.
3819
3820 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
3821
3822         PR middle-end/20177
3823         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
3824         * modulo-sched.c (const_iteration_count): Return on NULL
3825         pre-header.
3826         (print_node_sched_params): Return on NULL dump_file.
3827         (generate_reg_moves): Handle reg-anti dependencies and disregard
3828         closing branch when generating register moves.
3829         (sms_schedule): Mark the SMSed block dirty.
3830         * passes.c (rest_of_handle_sms): Call update_life_info for all
3831         basic-blocks.
3832         * testsuite/gcc.dg/20050321-1.c: New test.
3833
3834 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
3835
3836         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
3837         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
3838         movqi_internal): Likewise.
3839
3840 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
3841
3842         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
3843         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
3844         xtensa_b4const): Delete prototypes.
3845         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
3846         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
3847         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
3848         xtensa_extra_constraint): New prototypes.
3849         (add_operand, arith_operand, nonimmed_operand, mem_operand,
3850         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
3851         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
3852         move_operand, const_float_1_operand, fpmem_offset_operand,
3853         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
3854         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
3855         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
3856         argument type to HOST_WIDE_INT.
3857         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
3858         xtensa_mask_immediate): Likewise.
3859         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
3860         Likewise.  Also make these functions static.
3861         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
3862         (xtensa_const_ok_for_letter_p): New.
3863         (add_operand, arith_operand, nonimmed_operand, mem_operand,
3864         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
3865         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
3866         move_operand, const_float_1_operand, fpmem_offset_operand,
3867         branch_operator, ubranch_operator, boolean_operator): Move to
3868         predicates.md.
3869         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
3870         (xtensa_mem_offset): Change return type to bool.
3871         (xtensa_extra_constraint): New.
3872         (gen_int_relational): Update type of const_range_p function pointer.
3873         Use xtensa_b4const_or_zero.
3874         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
3875         xtensa_const_ok_for_letter_p.  Update comments.
3876         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
3877         (PREDICATE_CODES): Delete.
3878         * config/xtensa/xtensa.md: Include predicates.md.
3879         * config/xtensa/predicates.md: New file.
3880
3881 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3882
3883         * config/v850/v850-protos.h: Remove the prototypes for
3884         reg_or_int9_operand, reg_or_const_operand,
3885         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
3886         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
3887         movsi_source_operand, power_of_two_operand,
3888         not_power_of_two_operand, special_symbolref_operand,
3889         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
3890         register_is_ok_for_epilogue.
3891         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
3892         reg_or_int9_operand, reg_or_const_operand,
3893         call_address_operand, special_symbolref_operand,
3894         movsi_source_operand, power_of_two_operand,
3895         not_power_of_two_operand, register_is_ok_for_epilogue,
3896         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
3897         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
3898         predicates.md.
3899         * config/v850/v850.h (PREDICATE_CODES): Remove.
3900         * config/v850/v850.md: Include predicates.md.
3901         * config/v850/predicates.md: New.
3902
3903 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
3904
3905         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
3906         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
3907         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
3908         (itoolsdir, itoolsdatadir): Move definition above new first use.
3909         (install-itoolsdirs): New rule.
3910         (install-mkheaders): Depend on install-itoolsdirs, not
3911         install-include-dir.
3912
3913 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3914
3915         * tree-into-ssa.c: Remove obsolete comments.
3916
3917 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
3918
3919         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
3920         unrolling if -fpeel-loops is specified, too.
3921         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
3922         Remove superfluous check for flag_unroll_loops.
3923
3924 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
3925
3926         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
3927         (lrint_optab, llrint_optab): Define corresponding macros.
3928         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
3929         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
3930         pattern and llrint_optab using llrintdi2 patterns.
3931         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
3932         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
3933         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
3934         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
3935         flag_unsafe_math_optimizations is set.
3936
3937 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
3938
3939         * combine.c (combine_simplify_rtx, simplify_if_then_else,
3940         simplify_logical, if_then_else_cond, known_cond,
3941         simplify_comparison): Adjust calls to reverse_comparison.
3942         Don't use combine_reversed_comparison_code).
3943         (combine_reversed_comparison_code): Remove.
3944         (reversed_comparison): Using reversed_comparison_code, move it...
3945         * jump.c (reversed_comparison): ... here.
3946         * rtl.h (reversed_comparison): Add prototype.
3947
3948 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3949
3950         * builtins.c (fold_builtin): Take decomposed arguments of
3951         CALL_EXPR.
3952         * fold-const.c (fold_ternary): Update a call to fold_builtin.
3953         * gimplify.c (gimplify_call_expr): Likewise.
3954         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
3955         * tree.h: Update the prototype of fold_builtin.
3956
3957 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
3958
3959         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
3960         * rtlhooks.c (gen_lowpart_no_emit_general): New.
3961         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
3962         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
3963         * simplify-rtx.c (simplify_binary_operation_1): Use it.
3964
3965 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3966
3967         * builtins.c (fold_builtin_1): Take decomposed arguments of
3968         CALL_EXPR.
3969         (fold_builtin): Update a call to fold_builtin_1.
3970
3971 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
3972
3973         PR other/20564
3974         * gcov.c (output_lines): Only output function block summary when
3975         outputting branch information.
3976         * doc/gcov.texi: Document format of preamble and additional block
3977         information lines.
3978
3979 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
3980
3981         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
3982         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
3983         the defaults false if BITS_PER_UNIT != 8.
3984         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
3985         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
3986         than BITS_PER_UNIT != 8.
3987         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
3988         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
3989         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
3990         #undefs.
3991         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
3992         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
3993
3994 2005-03-20  Roger Sayle  <roger@eyesopen.com>
3995
3996         PR middle-end/20539
3997         * fold-const.c (fold_binary): Fix type mismatch between
3998         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
3999         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
4000         for non-truth-valued expressions.
4001
4002         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
4003         and FUNCTION_DECL in the main switch.
4004         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
4005         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
4006         we also need to convert their operands to match.
4007         <TRUTH_NOT_EXPR>: Likewise.
4008
4009 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
4010
4011         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
4012         diagnostic without checking whether an lvalue.
4013         * c-common.h (lvalue_p): Remove.
4014         (enum lvalue_use): Update comment.
4015         (lvalue_or_else): Replace by lvalue_error.
4016         * c-typeck.c (lvalue_p): Make static.
4017         (lvalue_or_else): New.  Call lvalue_error.
4018
4019 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
4020
4021         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
4022         (function_arg_advance): Use rs6000_parm_start.
4023         (function_arg, rs6000_arg_partial_bytes): Likewise.
4024
4025 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4026
4027         * c-common.c (check_case_value): Adjust comment about stripping
4028         NOPs.
4029         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
4030         * c-typeck.c (default_conversion, convert_arguments,
4031         build_modify_expr, convert_for_assignment, store_init_value,
4032         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
4033         manually.  Remove inaccurate comments.
4034
4035 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4036             Joseph S. Myers  <joseph@codesourcery.com>
4037
4038         * varasm.c (do_assemble_alias): Restore comment describing function.
4039         Annotate the target parameter as potentially unused.
4040
4041 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4042
4043         PR target/18551
4044         * config/avr/avr.c (avr_output_function_prologue): Do not use
4045         current_function_name() in a label, use a local label instead.
4046
4047 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
4048
4049         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
4050         flag_finite_math_only, not flag_unsafe_math_optimizations.
4051
4052 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4053
4054         * builtins.c (fold_builtin_1): Update a call to
4055         targetm.fold_builtin.
4056         * hooks.c (hook_tree_tree_bool_null): Rename to
4057         hook_tree_tree_tree_bool_null.  Take one more argument of type
4058         tree.
4059         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
4060         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
4061         hook_tree_tree_tree_bool_null.
4062         * target.h (gcc_target): Update the prototype of fold_builtin.
4063         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
4064         arguments of CALL_EXPR.
4065         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
4066         new prototype.
4067
4068 2005-03-20  Jan Hubicka  <jh@suse.cz>
4069
4070         * cgraph.h (cgraph_node): Add prev_clone pointer.
4071         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
4072         (cgraph_clone_node): Produce doubly linked chain.
4073
4074 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4075
4076         * c-common.c (handle_aligned_attribute, check_function_sentinel,
4077         get_nonnull_operand, handle_sentinel_attribute,
4078         check_function_arguments_recurse): Do not strip NOPS from
4079         INTEGER_CSTs.
4080         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
4081         Likewise.
4082         * c-format.c (get_constant): Likewise.
4083         * c-parser.c (c_parser_postfix_expression): Likewise.
4084         * c-typeck.c (set_init_index): Likewise.
4085         (convert_arguments): Don't check for NOP_EXPR containing integer
4086         constant.
4087
4088 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4089
4090         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
4091         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
4092         Take decomposed arguments of CALL_EXPR.
4093         (fold_builtin_1): Update calls to the functions mentioned
4094         above.
4095
4096 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4097
4098         * c-decl.c (check_bitfield_type_and_width): Require bit-field
4099         width to have integer type.
4100         (build_enumerator): Require enumerator value to have integer type.
4101
4102 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4103
4104         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
4105         to __builtin_inff.
4106
4107 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4108
4109         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
4110         std=iso9899:199x): Correct descriptions.
4111
4112 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4113
4114         * config.gcc: Consistently use solaris2.1[0-9]* instead of
4115         solaris2.1[0-9].
4116
4117 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
4118
4119         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
4120         of CALL_EXPR.
4121         (expand_builtin_memcpy, fold_builtin_1): Update calls to
4122         fold_builtin_memcpy.
4123
4124         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
4125         arguments of CALL_EXPR.
4126         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
4127         fold_builtin_found, fold_builtin_1): Update calls to
4128         fold_trunc_transparent_mathfn.
4129
4130 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4131
4132         PR middle-end/20493
4133         * fold-const.c (fold_widened_comparison): Don't optimize casts of
4134         function pointers on targets that require function pointer
4135         canonicalization.
4136         (fold_sign_changed_comparison): Likewise.
4137
4138 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
4139
4140         * combine.c (try_combine): When changing the mode of a hard reg, make
4141         sure that doing so is valid.
4142
4143 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
4144
4145         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
4146         (TARGET_HANDLE_OPTION): Override default.
4147         (avr_handle_option): New function.
4148         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
4149         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
4150         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
4151         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
4152         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
4153         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
4154         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
4155         (TARGET_OPTIONS): Delete.
4156         * config/avr/avr.opt: New file.
4157
4158 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4159
4160         * config/m32r/m32r-protos.h: Remove the prototypes for
4161         call_address_operand, symbolic_operand, seth_add3_operand,
4162         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4163         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4164         two_insn_const_operand, move_src_operand,
4165         move_double_src_operand, move_dest_operand,
4166         eqne_comparison_operator, signed_comparison_operator,
4167         large_insn_p, conditional_move_operand, carry_compare_operand,
4168         m32r_block_immediate_operand, extend_operand,
4169         reg_or_eq_int16_operand, int8_operand, and
4170         reg_or_zero_operand.
4171         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4172         seth_add3_operand, int8_operand, cmp_int16_operand,
4173         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4174         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4175         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4176         move_double_src_operand, move_dest_operand,
4177         eqne_comparison_operator, signed_comparison_operator,
4178         extend_operand, small_insn_p, large_insn_p,
4179         conditional_move_operand, carry_compare_operand,
4180         m32r_block_immediate_operand): Move to predicates.md.
4181         (MAX_MOVE_BYTES): Move to m32r.h.
4182         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4183         * config/m32r/m32r.md: Include predicates.md.
4184         * config/m32r/predicates.md: New.
4185
4186 2005-03-18  James E Wilson  <wilson@specifixinc.com>
4187
4188         PR c++/19769
4189         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
4190         origin.
4191
4192 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4193
4194         * config/mn10300/mn10300-protos.h: Remove the prototypes for
4195         call_address_operand, const_8bit_operand.
4196         * config/mn10300/mn10300.c (call_address_operand,
4197         const_8bit_operand, const_1f_operand): Move to predicates.md.
4198         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
4199         * config/mn10300/mn10300.md: Include predicates.md.
4200         * config/mn10300/predicates.md: New.
4201
4202 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
4203
4204         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
4205         declarations in diagnostics and %E for identifiers, not %s.
4206
4207 2005-03-18  Jan Hubicka  <jh@suse.cz>
4208             Dale Johannesen  <dalej@apple.com>
4209
4210         * basic-block.h (scale_bbs_frequencies_int,
4211         scale_bbs_frequencies_gcov_type): Declare.
4212         * cfg.c (RDIV): New macro.
4213         (update_bb_frequency_for_threading): Fix.
4214         * basic-block.h (scale_bbs_frequencies_int,
4215         scale_bbs_frequencies_gcov_type): New.
4216         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
4217         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
4218         scale_bbs_frequencies_int.
4219         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
4220
4221 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4222
4223         * config/m32r/m32r-protos.h: Remove the prototypes for
4224         call_address_operand, symbolic_operand, seth_add3_operand,
4225         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4226         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4227         two_insn_const_operand, move_src_operand,
4228         move_double_src_operand, move_dest_operand,
4229         eqne_comparison_operator, signed_comparison_operator,
4230         large_insn_p, conditional_move_operand, carry_compare_operand,
4231         m32r_block_immediate_operand, extend_operand,
4232         reg_or_eq_int16_operand, int8_operand, and
4233         reg_or_zero_operand.
4234         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4235         seth_add3_operand, int8_operand, cmp_int16_operand,
4236         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4237         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4238         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4239         move_double_src_operand, move_dest_operand,
4240         eqne_comparison_operator, signed_comparison_operator,
4241         extend_operand, small_insn_p, large_insn_p,
4242         conditional_move_operand, carry_compare_operand,
4243         m32r_block_immediate_operand): Move to predicates.md.
4244         (MAX_MOVE_BYTES): Move to m32r.h.
4245         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4246         * config/m32r/m32r.md: Include predicates.md.
4247         * config/m32r/predicates.md: New.
4248
4249         * config/pa/pa-protos.h: Add prototypes for magic_milli and
4250         shadd_constant_p.
4251         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
4252         symbolic_operand, symbolic_memory_operand,
4253         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
4254         indexed_memory_operand, move_dest_operand, move_src_operand,
4255         prefetch_cc_operand, prefetch_nocc_operand,
4256         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
4257         arith_operand, arith11_operand, pre_cint_operand,
4258         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
4259         ireg_operand, int5_operand, uint5_operand, int11_operand,
4260         uint32_operand, arith5_operand, and_operand, ior_operand,
4261         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
4262         pc_or_label_operand, div_operand, plus_xor_ior_operator,
4263         shadd_operand, movb_comparison_operator,
4264         cmpib_comparison_operator): Move to predicates.md.
4265         (magic_milli, shadd_constant_p): Make it extern.
4266         * config/pa/pa.h (PREDICATE_CODES): Remove.
4267         * config/pa/pa.md: Include predicates.md.
4268         * config/pa/predicates.md: New.
4269
4270         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
4271         predicate.
4272
4273 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4274
4275         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
4276         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
4277         config/alpha/freebsd.h, config/alpha/linux.h,
4278         config/alpha/netbsd.h, config/alpha/osf5.h,
4279         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
4280         config/h8300/h8300-protos.h, config/h8300/h8300.c,
4281         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
4282         doc/cppopts.texi: Update copyright.
4283
4284 2005-03-18  Jan Hubicka  <jh@suse.cz>
4285
4286         PR middle-end/20225
4287         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
4288         too late.
4289         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
4290         called too late.
4291
4292 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4293
4294         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
4295         VEC_safe_push.
4296
4297 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
4298
4299         * combine.c (gen_binary): Remove.
4300         (known_cond, simplify_shift_const, find_split_point,
4301         combine_simplify_rtx, simplify_if_then_else, simplify_set,
4302         simplify_logical, expand_field_assignment, extract_left_shift,
4303         force_to_mode, if_then_else_cond, apply_distributive_law,
4304         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
4305         simplify_comparison, reversed_comparison): Replace with
4306         simplify_gen_binary, simplify_gen_relational or
4307         distribute_and_simplify_rtx.
4308         (distribute_and_simplify_rtx): New function.
4309
4310 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
4311             Paolo Bonzini  <gcc.gnu.org>
4312
4313         * calls.c (setjmp_call_p, special_function_p): Update comments
4314         at the head of the functions.
4315
4316 2005-03-18  Jan Hubicka  <jh@suse.cz>
4317
4318         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
4319
4320         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
4321         function body should be released; do not proactively release function
4322         bodies in non-unit-at-a-time mode.
4323
4324 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
4325
4326         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
4327         mno-fp-ret-in-387 multilib variants.
4328
4329 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
4330
4331         * common.opt (m): Remove.
4332         * opts.c (handle_option): Pass 'm' options to set_target_switch if
4333         table lookup fails.
4334         (common_handle_option): Remove OPT_m case.
4335
4336 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4337
4338         * builtins.c (fold_builtin_bitop): Take decomposed arguments
4339         of CALL_EXPR.
4340         (fold_builtin_1): Update a call to fold_builtin_bitop.
4341
4342         * builtins.c (fold_builtin_signbit): Take decomposed arguments
4343         of CALL_EXPR.
4344         (fold_builtin_1): Update a call to fold_builtin_signbit.
4345
4346 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
4347
4348         PR tree-optimization/20474
4349         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
4350         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
4351
4352 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4353
4354         * config/h8300/h8300-protos.h: Remove prototypes for
4355         general_operand_src, general_operand_dst, single_one_operand,
4356         single_zero_operand, call_insn_operand,
4357         two_insn_adds_subs_operand, small_call_insn_operand,
4358         jump_address_operand, bit_operand, bit_memory_operand,
4359         stack_pointer_operand, const_int_gt_2_operand,
4360         const_int_ge_8_operand, const_int_qi_operand,
4361         const_int_hi_operand, incdec_operand, bit_operator,
4362         nshift_operator, eqne_operator, gtle_operator,
4363         gtuleu_operator, iorxor_operator.
4364         Add prototypes for h8sx_shift_type h8sx_classify_shift and
4365         h8300_ldm_stm_parallel.
4366         * config/h8300/h8300.c (h8sx_shift_type,): Move to
4367         h8300-protos.h.
4368         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
4369         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
4370         (h8300_ldm_stm_parallel): Make it extern.
4371         (h8300_ldm_parallel, h8300_stm_parallel,
4372         h8300_return_parallel, general_operand_src,
4373         general_operand_dst, h8300_dst_operand, h8300_src_operand,
4374         nibble_operand, reg_or_nibble_operand, single_one_operand,
4375         single_zero_operand, call_insn_operand,
4376         two_insn_adds_subs_operand, small_call_insn_operand,
4377         jump_address_operand, bit_operand, bit_memory_operand,
4378         stack_pointer_operand, const_int_gt_2_operand,
4379         const_int_ge_8_operand, const_int_qi_operand,
4380         const_int_hi_operand, incdec_operand, eqne_operator,
4381         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
4382         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
4383         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
4384         nshift_operator): Move to predicates.md.
4385         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
4386         * config/h8300/h8300.md: Include predicates.md.
4387         * config/h8300/predicates.md: New.
4388
4389 2005-03-17  Richard Henderson  <rth@redhat.com>
4390
4391         * config.gcc (ia64*-*-hpux*): Add extra_options.
4392         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
4393         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4394         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
4395         (ia64_tls_size_string, ia64_tune_string): Remove.
4396         (ia64_tune): Init to PROCESSOR_ITANIUM2.
4397         (TARGET_DEFAULT_TARGET_FLAGS): New.
4398         (TARGET_HANDLE_OPTION): New.
4399         (ia64_override_options): Move options parsing ...
4400         (ia64_handle_option): ... here.  New.
4401         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
4402         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
4403         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
4404         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
4405         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
4406         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
4407         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
4408         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
4409         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
4410         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
4411         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
4412         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
4413         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
4414         TARGET_EARLY_STOP_BITS): Remove.
4415         (TARGET_ILP32): Default false.
4416         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
4417         (enum ia64_inline_type): New.
4418         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4419         * config/ia64/ia64.md: Update for new definitions of
4420         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
4421         * config/ia64/ia64.opt: New file.
4422         * config/ia64/ilp32.opt: New file.
4423
4424 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4425
4426         PR target/18380
4427         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
4428
4429 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4430
4431         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
4432         instead of MASK_H8300S.
4433         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
4434         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
4435         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
4436         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
4437         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
4438         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
4439         TARGET_SWITCHES): Remove.
4440         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
4441         TARGET_H8300SX.
4442         * config/h8300/h8300.opt: New.
4443
4444         * config/alpha/alpha.opt, config/arc/arc.opt,
4445         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
4446         notices.
4447
4448 2005-03-17  Ian Lance Taylor  <ian@airs.com>
4449
4450         * gmon.c: Remove.
4451
4452 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
4453
4454         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
4455         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
4456         (TARGET_HANDLE_OPTION): Override default.
4457         (arc_handle_option): New function.
4458         (arc_init): Remove code to set arch_cpu_string.
4459         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
4460         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
4461         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
4462         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
4463         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
4464         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
4465         (arc_rodata_string, TARGET_OPTIONS): Delete.
4466         * config/arc/arc.opt: New file.
4467
4468 2005-03-17  Richard Henderson  <rth@redhat.com>
4469
4470         * doc/extend.texi (Weak Pragmas): New section.
4471         (attribute alias): Clarify that target must be in the same
4472         translation unit.
4473
4474 2005-03-17  Richard Henderson  <rth@redhat.com>
4475
4476         * config/alpha/alpha.opt: New file.
4477         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
4478         of alpha_cpu.
4479         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
4480         alpha_fprm_string, alpha_fptm_string): Make static.
4481         (alpha_tls_size_string): Remove.
4482         (alpha_handle_option): New.
4483         (override_options): Update for alpha_cpu/alpha_tune split.
4484         (alpha_file_start): Likewise.
4485         (TARGET_DEFAULT_TARGET_FLAGS): New.
4486         (TARGET_HANDLE_OPTION): New.
4487         * config/alpha/alpha.h (alpha_tune): Declare.
4488         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
4489         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
4490         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
4491         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
4492         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
4493         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
4494         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
4495         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
4496         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
4497         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
4498         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
4499         (TARGET_DEFAULT): Remove MASK_FP.
4500         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
4501         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
4502         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
4503         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
4504         alpha_tls_size_string): Remove.
4505         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
4506         (attribute tune): Rename from attribute cpu.
4507         * config/alpha/ev4.md: Update to match.
4508         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
4509         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
4510         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
4511         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
4512         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
4513         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
4514
4515 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
4516
4517         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
4518         and return without creating new state if before_nops_num is nonzero.
4519         * config/ia64/ia64.md (first_insn): New attribute.
4520         (alloc): Set it to yes.
4521
4522 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4523
4524         * tree-vectorizer.c (new_vec_stmt_info): Initialize
4525         STMT_VINFO_SUBVARS to NULL.
4526         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4527
4528 2005-03-16 Dale Johannesen  <dalej@apple.com>
4529
4530         * rtlanal.c (find_first_parameter_load):  Rewrite to
4531         return actual first param load or the call if none,
4532         instead of first in block, when not all loads exist.
4533
4534 2005-03-16  Roger Sayle  <roger@eyesopen.com>
4535
4536         * optabs.c (expand_copysign_absneg): Make static.
4537         * optabs.h (expand_copysign_absneg): Delete prototype.
4538         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
4539
4540 2005-03-16  Richard Henderson  <rth@redhat.com>
4541
4542         PR middle-end/15700
4543         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
4544         (alias_pairs): Rename from output_defs.
4545         (find_decl_and_mark_needed): Split out from assemble_alias.
4546         (do_assemble_alias): New.
4547         (assemble_output_def): Remove.
4548         (finish_aliases_1, finish_aliases_2): New.
4549         (process_pending_assemble_output_defs): Remove.
4550         (assemble_alias): Defer aliases for which we don't yet have a
4551         non-external decl for the target symbol.
4552         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
4553         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
4554         * toplev.c (compile_file): Use finish_aliases_2 instead of
4555         process_pending_assemble_output_defs.
4556         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
4557         (process_pending_assemble_output_defs): Remove.
4558
4559 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4560
4561         Fix PR tree-optimization/20489
4562
4563         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
4564         for empty structures.
4565
4566 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4567
4568         Fix PR tree-optimization/20490
4569
4570         * tree-ssa-pre.c (create_expression_by_pieces): Use
4571         force_gimple_operand on result of fold.
4572
4573 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
4574
4575         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
4576         of closing parenthesis.
4577
4578 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
4579
4580         * builtins.c (expand_movstr): Update a call to
4581         fold_builtin_strcpy.
4582         (expand_builtin_strncpy): Update a call to
4583         fold_builtin_strncpy.
4584         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
4585         arguments of CALL_EXPR.
4586         (fold_builtin_1): Update calls to fold_builtin_strcpy and
4587         fold_builtin_strncpy.
4588         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
4589         * tree.h: Update the prototypes of fold_builtin_strcpy and
4590         fold_builtin_strncpy.
4591
4592 2005-03-16  Steven Bosscher  <stevenb@suse.de>
4593             Dorit Naishlos  <dorit@il.ibm.com>
4594
4595         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
4596         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
4597         error.
4598
4599 2005-03-16  Steven Bosscher  <stevenb@suse.de>
4600
4601         * tree-inline.c (walk_type_fields, walk_tree,
4602         walk_tree_without_duplicates): Move from here...
4603         * tree.c: ...to here.
4604
4605 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
4606
4607         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
4608         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
4609         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
4610         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
4611         (version): Define using $(BASEVER_c).
4612         (Makefile, config.status, build/gcov-iov.o): No longer depends on
4613         version.c.
4614         (version.o): Depend on version files; add custom generation command.
4615         (prefix.o): Define BASEVER on command line.
4616         (s-iov): Depend on version files; adjust command.
4617         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
4618         Add gcc-vers.texi.
4619         (gcc-vers.texi): New rule.
4620         (doc/%.info, doc/%.dvi): Add -I . to command line.
4621         (doc/gccinstall.dvi): Likewise.
4622         (PACKAGE): Delete.  All uses replaced with "gcc".
4623         * aclocal.m4: Do not include gcc-version.m4.
4624         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
4625         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
4626         Set is_release based on contents of DEV-PHASE.
4627         Set gcc_version based on contents of BASE-VER.
4628         Define WIN32_REGISTRY_KEY only if the user overrode the default.
4629         * config.in, configure: Regenerate.
4630         * gccbug.in: Determine version of GCC in use at runtime.
4631         * gcov-iov.c: Get version number and development phase from
4632         command line, not by including version.c.
4633         * intl.c: Replace all uses of PACKAGE with "gcc".
4634         * libada-mk.in: Delete unused "gcc_version" variable.
4635         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
4636         * version.c: (VERSUFFIX): New hook for redistributors; adjust
4637         commentary to match.
4638         (version_string): Put together from pieces.
4639         * config/alpha/x-vms: Do not use $(gcc_version).
4640         * config/i386/t-nwld: Likewise.
4641         * doc/include/gcc-common.texi: Include gcc-vers.texi for
4642         version-GCC and DEVELOPMENT.
4643
4644 2005-03-15  Roger Sayle  <roger@eyesopen.com>
4645
4646         PR tree-optimization/17454
4647         * tree.c (tree_size): Add case for TREE_BINFO.
4648         * fold-const.c (fold_checksum_tree): Only clear the overloaded
4649         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
4650
4651 2005-03-15  Roger Sayle  <roger@eyesopen.com>
4652
4653         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
4654         op1 whilst expanding the signed widenening multiply variant.
4655
4656 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
4657
4658         * toplev.c (display_target_options): Avoid unused variable warning if
4659         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
4660         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
4661         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
4662         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
4663         (mips_isa_info): New variable.
4664         (mips_parse_cpu): Remove the first argument and leave the caller
4665         to report errors.
4666         (TARGET_HANDLE_OPTION): Override default.
4667         (mips_handle_option): New function.  Move option validation code from...
4668         (override_options): ...here.  Update calls to mips_parse_cpu.
4669         * config/mips/mips.h (mips_arch_string, mips_tune_string)
4670         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
4671         (SUBTARGET_TARGET_OPTIONS): Delete.
4672         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
4673         (mno-flush-func, mtune=): New options.
4674
4675 2005-03-15  Roger Sayle  <roger@eyesopen.com>
4676             Richard Henderson  <rth@redhat.com>
4677
4678         * real.c (c4x_single_format, c4x_extended_format): Provide values
4679         for signbit_ro for c4x's single and extended floating point formats.
4680         * optabs.c (expand_copysign): Use the floating point format's
4681         signbit_ro for expanding via expand_copysign_absneg, and it's
4682         signbit_rw field for expanding via expand_copysign_bit.
4683
4684 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
4685
4686         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
4687         known_alignment_for_access_p.
4688         (known_alignment_for_access_p): New.
4689         (do_peeling_for_alignment): Field made int instead of bool and renamed
4690         to peeling_for_alignment.
4691         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
4692         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
4693         functionality used to be in vect_analyze_operations.
4694         (vect_analyze_operations): Code to determine vectorization factor was
4695         moved to vect_determine_vectorization_factor.
4696         (vect_enhance_data_refs_alignment): Update to correct alignment when it
4697         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
4698         factor.
4699         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
4700         be part of vect_analyze_operations).
4701         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
4702         creating the guard condition, as the number of iterations may be
4703         constant.
4704         (slpeel_tree_peel_loop_to_edge): Use new name of
4705         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
4706         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
4707         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
4708         (vect_do_peeling_for_alignment): Use fold.
4709         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
4710
4711         (vect_update_inits_of_dr): Renamed to
4712         vect_update_init_of_dr.
4713         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
4714         (vectorizable_store): Fix assertion to use == instead of =.
4715
4716 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
4717
4718         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
4719         call_used_regs for wCG registers.
4720
4721 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
4722
4723         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
4724         for non-offsettable memory references to cope with outstanding reload
4725         replacements, take 2.
4726
4727 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
4728
4729         PR target/18668
4730         * config/i386/i386.h (x86_fisttp): New.
4731         (TARGET_FISTTP): New macro.
4732         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
4733         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
4734         instruction when fisttp flag is set.
4735         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
4736
4737         * config/i386/i386.md (type attribute): Add fisttp.
4738         (unit attribute): Set to i387 for fisttp type.
4739         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
4740         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
4741         TARGET_FISTTP.
4742         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
4743         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
4744         macros.
4745         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
4746         patterns for TARGET_FISTTP.  Enable patterns for
4747         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
4748         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
4749         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
4750         implement fisttp x87 insn.
4751         (fix_trunc*_i387_fisttp splitters): New patterns.
4752         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
4753         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
4754         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
4755         clobber.
4756         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
4757         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
4758         Implement using mode macros. Disable patterns for TARGET_FISTTP.
4759         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
4760         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
4761         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
4762         Disable patterns for TARGET_FISTTP.
4763         (fix_trunc*_i387 splitters): Implement usign mode macros.
4764         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
4765         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
4766         (fix_trunx*_sse peephole2s): Implement using mode macros.
4767
4768 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
4769
4770         PR rtl-optimization/20291
4771         * combine.c (try_combine): If splitting fails, re-try with
4772         original combined pattern, i.e. before clobber stripping.
4773
4774 2005-03-14  Eric Christopher  <echristo@redhat.com>
4775
4776         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
4777         STACK_GROWS_DOWNWARD.
4778
4779 2005-03-14  Roger Sayle  <roger@eyesopen.com>
4780
4781         * real.h (struct real_format): Split the signbit field into two
4782         two fields, signbit_ro and signbit_rw.
4783         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
4784         mips_double_format, ieee_extended_motorola_format,
4785         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
4786         ieee_extended_intel_128_format, ibm_extended_format,
4787         mips_extended_format, ieee_quad_format, mips_quad_format,
4788         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
4789         i370_double_format, c4x_single_format, c4x_extended_format,
4790         real_internal_format): Update initializers for new field.
4791         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
4792         real_format structure.
4793         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
4794         field of the real_format structure.
4795
4796 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
4797
4798         Fix PR tree-optimization/20458
4799
4800         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
4801         DECL_EXTERNAL on STRUCT_FIELD tags.
4802         (clear_call_clobbered): Ditto.
4803         * tree-ssa-operands.c (note_addressable): Make sure the original
4804         variable doesn't slip into the addressable list if we have
4805         subvars.
4806         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
4807         tags too.
4808
4809 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
4810
4811         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
4812         (-fwide-exec-charset): Likewise.
4813         (-finput-charset): Likewise.
4814         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
4815         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
4816         * c.opt (Wnormalized): New.
4817
4818 2005-03-14  Devang Patel  <dpatel@apple.com>
4819
4820         * doc/invoke.texi: Add reference to Visibility document.
4821
4822 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
4823
4824         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
4825         MASK_SPLIT_ADDRESSES.
4826         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
4827         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
4828         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
4829         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
4830         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
4831         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
4832         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
4833         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
4834         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
4835         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
4836         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
4837         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
4838         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
4839         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
4840         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
4841         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
4842         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
4843         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
4844         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
4845         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
4846         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
4847         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
4848         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
4849         (TARGET_EXPLICIT_RELOCS): Delete.
4850         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
4851         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
4852         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
4853         (override_options): Set MASK_LONG64 if -mint64 is given and no
4854         -mlongXX option is.  Complain about -mint64 -mlong32.
4855         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
4856         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
4857         * config/mips/mips.opt: New file.
4858
4859 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
4860
4861         * config.gcc (extra_options): New variable for listing option files.
4862         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
4863         * configure.ac (extra_opt_files): New AC_SUBST variable.
4864         (tm_file_list, tm_include_list): Include options.h first.
4865         * configure: Regenerate.
4866         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
4867         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
4868         (s-options-h): New rule.
4869         (options.h): Depend on it.
4870         (TEXI_GCCINT_FILES): Add options.texi.
4871         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
4872         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
4873         * target.h (gcc_target): Add default_target_flags and handle_option.
4874         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
4875         (TARGET_HANDLE_OPTION): New macros.
4876         (TARGET_INITIALIZER): Include them.
4877         * opt-functions.awk (opt_args, nth_arg): New functions.
4878         (switch_flags): Handle the "Target" flag.
4879         (var_args): Delete.
4880         (var_name): Use opt_args and nth_arg.
4881         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
4882         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
4883         macros for the "Mask" and "InverseMask" options.
4884         * opts.h (cl_var_cond): New enum.
4885         (cl_option): Replace the "has_set_value" and "set_value" fields with
4886         "var_cond" and "var_value".
4887         (CL_TARGET): New macro.
4888         (option_enabled, print_filtered_help): Declare.
4889         (decode_options): Move definition.
4890         * opts.c (handle_option): Search for the original option before
4891         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
4892         var_cond and var_value fields.  Use targetm.handle_option to handle
4893         target options.
4894         (decode_options): Set target_flags to targetm.default_target_flags.
4895         (print_filtered_help): Make global.  Handle CL_TARGET.
4896         (option_enabled): New function.
4897         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
4898         (display_target_options, set_target_switch, print_switch_values)
4899         (default_pch_valid_p): Guard uses of target_switches with
4900         #ifdef TARGET_SWITCHES.  Also...
4901         (display_target_options): Display the CL_TARGET entries in cl_options.
4902         (set_target_option): Don't complain about the "" option when
4903         TARGET_SWITCHES is undefined.
4904         (print_switch_values): Use option_enabled.
4905         (default_pch_valid_p): Check cl_options[] when looking for something
4906         that has changed the value of target_flags.
4907         * c.opt: Remove documentation from top of file.
4908         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
4909         * doc/sourecebuild.texi: Refer to the new options documentation
4910         instead of c.opt.  Document machine-specific .opt files.
4911         * doc/tm.texi (target_flags): Say that this variable is declared
4912         by options.h.
4913         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
4914         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
4915         an alternative.
4916         * doc/options.texi: New file.
4917
4918 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
4919
4920         PR middle-end/18628
4921         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
4922         register.
4923
4924 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
4925
4926         PR c++/20280
4927         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
4928         temporary variable of pointer type if an lvalues is required.
4929         (gimplify_modify_expr_rhs): Request an rvalue from it.
4930         (gimplify_expr): Pass fallback on.
4931
4932 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
4933
4934         * cfgbuild.c: Update comments.
4935
4936 2005-03-14  Roger Sayle  <roger@eyesopen.com>
4937
4938         PR rtl-optimization/17236
4939         * optabs.c (expand_doubleword_mult): New helper function split out
4940         from expand_binop.  Permute the order in which instructions are
4941         emitted to minimize the number of simultaneously live registers.
4942         (expand_binop): Call expand_doubleword_mult to synthesize a double
4943         word multiplication.
4944
4945 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
4946
4947         * basic-block.h: Update the prototypes of cached_make_edge and
4948         rtl_make_eh_edge.
4949         * cfg.c (cached_make_edge): Take edge_cache representing one
4950         row of the adjacency matrix of edges.
4951         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
4952         (make_edges): Initialize edge_cache to represent one row of
4953         the adjacency matrix of edges.
4954
4955 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
4956
4957         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
4958         New functions.
4959         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
4960         Remove unused removed_phis variable.
4961         (conditional_replacement): Use build1/build2.
4962         (abs_replacement): Use last_and_only_stmt and build1/build2.
4963
4964 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
4965
4966         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
4967         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
4968         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
4969         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
4970         * c-common.c (handle_novops_attribute): New function.
4971         (c_common_attribute_table): Add "no vops" entry.
4972         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
4973         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
4974         * tree-ssa-operands.c (get_call_expr_operands): Do not
4975         create virtual operands for calls with ECF_NOVOPS flag.
4976         * tree.h (DECL_IS_NOVOPS): New macro.
4977         (struct tree_decl): Add novops_flag.
4978         (ECF_NOVOPS): New constant.
4979
4980 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
4981
4982         PR target/17688
4983         * config/i386/i386.c (x86_use_himode_fiop): New.
4984         (x86_use_simode_fiop): Rename from x86_use_fiop.
4985         * config/i386/i386.h (x86_use_himode_fiop): Declare.
4986         (TARGET_USE_HIMODE_FIOP): New.
4987         (x86_use_simode_fiop): Rename from x86_use_fiop.
4988         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
4989
4990         * config/i386/i386.md (X87MODEI12): New mode macro define.
4991         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
4992         to implement x87 FP compare with HImode input operands.
4993         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
4994         Use X87MODEI12 mode macro to handle HImode input operands.
4995         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
4996         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
4997         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
4998         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
4999         macro to implement x87 operators with HImode input operands.
5000         (fop splitters): Use X87MODEI12 mode macro to handle HImode
5001         input operands.
5002
5003 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5004
5005         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
5006         integer_zerop.
5007         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
5008         constants invariant.
5009
5010 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5011
5012         * basic-block.h (BB_VISITED): Removed.
5013         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
5014
5015 2005-03-14  Falk Hueffner  <falk@debian.org>
5016
5017         PR bootstrap/20424
5018         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
5019
5020 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5021
5022         * ggc-zone.c: Fix comment typos.
5023
5024         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
5025         stringpool.c, config/mips/mips-protos.h: Update copyright.
5026
5027 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5028
5029         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
5030         throughout with its typedef, "rtx".
5031         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
5032         (rs6000_tls_symbol_ref_1): Remove inline keyword.
5033         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
5034         regs in comment to match code.
5035
5036 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5037
5038         * except.c (check_handled): Make it static.
5039         * except.h: Remove the corresponding prototype.
5040
5041         * function.c (get_func_frame_size): Make it static.
5042         * function.h: Remove the corresponding type.
5043
5044         * regclass.c (reg_class_superclasses, reg_class_subclasses):
5045         Make them static.
5046         * hard-reg-set.h: Remove the corresponding declarations.
5047
5048         * tree-cfg.c (verify_stmts): Check that
5049         bb_for_stmt (stmt) == bb for every PHI node and statement.
5050
5051 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5052
5053         * config.gcc: Remove excess indentation.
5054         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
5055
5056 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5057
5058         PR middle-end/19331
5059         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
5060         * fold-const.c (fold_sign_changed_comparison): Likewise.
5061         (fold_binary): Optimize comparisons against widened operands if
5062         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
5063
5064 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5065
5066         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
5067         (sparc_override_options): Initialize it.
5068         (sparc_struct_value_rtx): Set it on the MEM to be returned.
5069
5070 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
5071
5072         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
5073         (reg_or_none500mem_operand): New predicate.
5074         (zero_reg_mem_operand): New predicate.
5075         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
5076         to reg_or_none500mem_operand.
5077         (extendsfdf2_fpr): Add MEM alternative.
5078         (extenddftf2_internal): Change operand2 predicate to
5079         zero_reg_mem_operand.
5080
5081 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5082
5083         * ggc-zone.c: Rewritten.
5084
5085         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
5086         if there are none.
5087         * configure.ac: Define GGC_ZONE for --with-gc=zone.
5088         * config.in: Regenerated.
5089         * configure: Regenerated.
5090         * gengtype.c (write_types_process_field, write_func_for_structure):
5091         Pass new argument to gt_pch_note_object.
5092         * ggc-common.c (struct ptr_data): Add TYPE.
5093         (gt_pch_note_object): Take TYPE argument and save it.
5094         (call_count): Update call to ggc_pch_count_object.
5095         (call_alloc): Update call to ggc_pch_alloc_object.
5096         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
5097         file.
5098         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
5099         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
5100         (ggc_alloc_zone_stat): Delete.
5101         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
5102         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
5103         (ggc_pch_alloc_object): Update prototypes.
5104         (garbage_zone): Delete.
5105         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
5106         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
5107         pointers.
5108         (tree_id_zone): New variable.
5109         (ggc_alloc_cleared_zone): Remove unused.
5110         (ggc_alloc_zone): Define.
5111         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
5112         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
5113         ggc_alloc_zone_stat.
5114         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
5115         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
5116         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
5117         (make_node_stat): Likewise.  Use tree_id_zone.
5118
5119 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5120             Joseph S. Myers  <joseph@codesourcery.com>
5121
5122         * configure.ac: Check for MIPS TLS.
5123         * configure: Regenerated.
5124         * config/mips/mips-protos.h (enum mips_symbol_type): Add
5125         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
5126         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
5127         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
5128         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
5129         (mips_classify_symbol, mips_symbolic_constant_p)
5130         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
5131         (mips_tls_operand_p, mips_call_tls_get_addr)
5132         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
5133         (mips_tls_symbol_ref_1): New functions.
5134         (mips_legitimize_address, mips_legitimize_const_move): Call
5135         mips_legitimize_tls_address.
5136         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
5137         for MIPS16.
5138         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
5139         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
5140         (mips_char_to_class): Document V1_REG.
5141         (HAVE_AS_TLS): Provide default.
5142         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
5143         constants.
5144         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
5145         !TARGET_ABICALLS.
5146         (tls_get_tp_<mode>): New instruction.
5147
5148 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5149
5150         * configure.ac: Update checks for target tools.
5151         * configure: Regenerated.
5152
5153 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5154
5155         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
5156
5157 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5158
5159         * expmed.c (expand_mult): Use synthetic multiplication sequences for
5160         more classes of DImode multiplication by constant.  Allow both
5161         multiplication by small negative constants (by performing a
5162         multiplication by a positive constant and negating the result) and
5163         multiplications by large powers of two, by using a left shift.
5164
5165 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5166
5167         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
5168         of basic blocks into work_stack.
5169
5170         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
5171         config/mips/vr.h: Update copyright.
5172
5173         * c-decl.c (c_init_decl_processing): Remove useless calls to
5174         build_function_type.
5175
5176         * builtins.c (fold_trunc_transparent_mathfn,
5177         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
5178         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5179         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
5180         fold_builtin_strcpy, fold_builtin_strncpy,
5181         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
5182         TREE_TYPE (exp).
5183
5184         * builtins.c (expand_builtin_mathfn_3): Remove local variable
5185         before_call.
5186
5187         * lambda-code.c (lambda_compute_auxillary_space): Remove local
5188         variable determinant.
5189
5190         * tree-cfg.c (group_case_labels): Remove local variable type.
5191
5192         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
5193         variable ann.
5194
5195         * tree-ssa-phiopt.c (value_replacement): Remove local variable
5196         result.
5197
5198 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
5199
5200         PR target/18251
5201         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
5202         (*movmemqi_insn): Delete.
5203         (*movmemhi): Delete.
5204
5205 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5206
5207         * builtins.c (fold_builtin_classify): Take decomposed
5208         arguments of CALL_EXPR.
5209         (fold_builtin_1): Update a call to fold_builtin_classify.
5210
5211 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
5212
5213         PR c/20402
5214         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
5215         through into call to parser_xref_tag after parse error.
5216         (c_parser_struct_declaration): Consistently return NULL_TREE on
5217         error.
5218
5219 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
5220
5221         * tree-flow-inline.h (ref_contains_array_ref): New function.
5222         (lookup_subvars_for_var): Ditto.
5223         (get_subvars_for_var): Ditto.
5224         (var_can_have_subvars): Ditto.
5225
5226         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
5227         (struct subvar): New type.
5228
5229         * tree-dfa.c (okay_component_ref_for_subvars): New function.
5230
5231         * tree-optimize.c (init_tree_optimization_passes): Call
5232         pass_create_structure_vars.
5233
5234         * tree-ssa-alias.c: Include vec.h.
5235         (init_alias_info): Don't auto-clear call clobbered on struct-field
5236         tags.
5237         (compute_flow_insensitive_aliasing): Handle subvars.
5238         (group_aliases): Handle STRUCT_FIELD aliases.
5239         (setup_pointers_and_addressables): Ditto.
5240         Don't mark variables non-addressable if they still have
5241         addressable subvars.
5242         Also mark subvars addressable when the real variable is marked
5243         addressable.
5244         (add_pointed_to_var): Try to prune the pointed-to set by only
5245         pointing to subvars when possible.
5246         Otherwise, make sure we set addresses_needed and pt_vars to
5247         properly include subvars.
5248         (bitpos_of_field): New function.
5249         (push_fields_onto_fieldstack): Ditto.
5250         (get_or_create_used_part_for): Ditto.
5251         (create_overlap_variables_for): Ditto.
5252         (find_used_portions): Ditto.
5253         (create_structure_vars): Ditto.
5254         (pass_create_structure_vars): New structure.
5255
5256         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
5257         (get_expr_operands): Handle subvars.  Also try to turn
5258         COMPONENT_REF accesses into must-defs now that we can accurately
5259         portray it.
5260         (note_addressable): Try to only mark as addressable those subvars
5261         we know a COMPONENT_REF touches.
5262         (overlap_subvar): New function.
5263
5264         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
5265         Handle subvar storing.
5266         (vect_address_analysis): Update caller of vect_object_analysis.
5267
5268         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
5269
5270         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
5271         (STMT_VINFO_SUBVARS): New macro.
5272
5273         * common.opts: add flag_tree_salias.
5274
5275         * opts.c (decode_options): flag_tree_salias defaults to on.
5276
5277         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
5278
5279         * doc/tree-ssa.texi: Document structural alias analysis.
5280
5281 2005-03-12  Steven Bosscher  <stevenb@suse.de>
5282
5283         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
5284         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
5285         * tree-ssa-operands.c (get_expr_operands): Likewise.
5286         (get_expr_operands): Likewise for ERROR_MARK.
5287
5288 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5289
5290         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
5291         var.
5292
5293         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
5294         removed_phis.
5295
5296         * tree-ssa-pre.c (compute_avail): Remove local variable val.
5297         (mark_operand_necessary): Remove local variable ver.
5298
5299         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
5300         variable prefix_len.
5301
5302         * value-prof.c (mod_subtract_transform): Remove local variable
5303         value.
5304
5305         * builtins.c (fold_builtin_exponent): Take decomposed
5306         arguments of CALL_EXPR.
5307         (fold_builtin_1): Update a call to fold_builtin_exponent.
5308
5309         * builtins.c (fold_builtin_logarithm): Take decomposed
5310         arguments of CALL_EXPR.
5311         (fold_builtin_1): Update a call to fold_builtin_logarithm.
5312
5313         * c-decl.c (c_init_decl_processing): Remove local variables
5314         ptr_ftype_void and ptr_ftype_ptr.
5315
5316         * gimplify.c (gimplify_expr): Remove local variables r0 and
5317         r1.
5318
5319         * reg-stack.c (move_for_stack_reg): Remove local variable
5320         push_insn.
5321         (compare_for_stack_reg): Remove local variable flags_user.
5322         (convert_regs_1): Remove local variable deleted.
5323
5324         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
5325         variable new_cond.
5326         (combine_blocks): Remove local variables exits and new_e.
5327
5328         * tree-inline.c (expand_call_inline): Remove local variable
5329         decl.
5330
5331         * tree-ssa-live.c (create_ssa_var_map,
5332         calculate_live_on_entry): Remove local variable snn.
5333
5334 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
5335
5336         * c-lex.c (c_lex_with_flags): Add parameter to call to
5337         cpp_spell_token.
5338
5339 2005-03-11  Per Bothner  <per@bothner.com>
5340
5341         * c-tree.h (struct c_declarator): New id_loc field.
5342         * c-pragma.h (c_lex_with_flags): Take position reference.
5343         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
5344         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
5345         (c_lex): Pass dummy location to c_lex_with_flags.
5346         * c-parser.c (c_lex_one_token): Set c_token's location using
5347         c_lex_with_flags, instead of input_location, which might be "ahead".
5348         (c_parser_direct_declarator): Set declarator's id_loc from
5349         c_token's id_loc.
5350         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
5351         declarator's id_loc, rather than probably-imprecise input_location.
5352         (build_id_declarator): Initialize c_declarator's id_loc field.
5353
5354 2005-03-11  Roger Sayle  <roger@eyesopen.com>
5355
5356         PR middle-end/20419
5357         * builtins.c (expand_builtin_signbit): Force the signbit's word
5358         into an integer register to avoid SUBREGs of floating point modes.
5359
5360 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5361
5362         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
5363         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
5364         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
5365         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
5366
5367 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
5368
5369         PR rtl-optimization/20306
5370         * expr.c (emit_move_complex): Set try_int false if mode is
5371         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
5372         emit_block_move if try_int is true.
5373
5374 2005-03-11  Richard Henderson  <rth@redhat.com>
5375
5376         PR target/20415
5377         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
5378         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
5379         to match.
5380
5381 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5382
5383         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
5384         (TARGET_FIX_VR4130): New macro.
5385         (TARGET_OPTIONS): Add -mfix-vr4130.
5386         (ISA_HAS_MACCHI): New macro.
5387         (ASM_SPEC): Add -mfix-vr4130.
5388         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
5389         (override_options): Handle mips_fix_vr4130_string.
5390         (mips_avoid_hazards): Clear all_noreorder_p
5391         if we're working around VR4130 errata and the macc alternatives
5392         are not available.
5393         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
5394         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
5395         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
5396         (MULTILIB_DEFAULTS): Remove leading "march=".
5397         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
5398         if no architecture option is given.
5399         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
5400         VR4130 multilibs.
5401         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
5402         * doc/invoke.texi: Document -mfix-vr4130.
5403
5404 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5405
5406         * config/mips/mips.c (override_options): Only warn about -mint64
5407         deprecation if TARGET_INT64.
5408
5409 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5410
5411         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
5412         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
5413         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
5414         are non-specific regarding the nonnull parameter positions.
5415         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
5416         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
5417         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
5418         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
5419
5420         * builtins.def: Use the non-specific "nonnull" attibute lists.
5421
5422 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5423
5424         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5425         single_pred_edge, single_succ, single_pred): Improve comments.
5426
5427 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5428
5429         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5430         single_pred_edge, single_succ, single_pred): New inline functions.
5431         * bb-reorder.c (rotate_loop, find_traces_1_round,
5432         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
5433         duplicate_computed_gotos): Use the single_succ/pred functions.
5434         * cfganal.c (forwarder_block_p): Ditto.
5435         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
5436         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
5437         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
5438         merge_seq_blocks): Ditto.
5439         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
5440         * cfglayout.c (fixup_reorder_chain): Ditto.
5441         * cfgloop.c (mark_single_exit_loops, update_latch_info,
5442         canonicalize_loop_headers, verify_loop_structure): Ditto.
5443         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
5444         mfb_update_loops, create_preheader, force_single_succ_latches,
5445         create_loop_notes): Ditto.
5446         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
5447         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
5448         commit_one_edge_insertion, purge_dead_edges,
5449         cfg_layout_can_merge_blocks_p): Ditto.
5450         * except.c (sjlj_emit_function_enter): Ditto.
5451         * flow.c (init_propagate_block_info): Ditto.
5452         * function.c (thread_prologue_and_epilogue_insns): Ditto.
5453         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
5454         insert_insn_end_bb): Ditto.
5455         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
5456         find_if_case_2): Ditto.
5457         * lambda-code.c (perfect_nestify): Ditto.
5458         * lcm.c (optimize_mode_switching): Ditto.
5459         * loop-doloop.c (doloop_modify): Ditto.
5460         * loop-init.c (loop_optimizer_init): Ditto.
5461         * loop-iv.c (simplify_using_initial_values): Ditto.
5462         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
5463         * loop-unswitch.c (unswitch_loop): Ditto.
5464         * modulo-sched.c (generate_prolog_epilog): Ditto.
5465         * predict.c (combine_predictions_for_insn, estimate_probability,
5466         tree_estimate_probability, last_basic_block_p,
5467         estimate_bb_frequencies): Ditto.
5468         * profile.c (branch_prob): Ditto.
5469         * regrename.c (copyprop_hardreg_forward): Ditto.
5470         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
5471         * tracer.c (layout_superblocks): Ditto.
5472         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
5473         cfg_remove_useless_stmts_bb, cleanup_control_flow,
5474         cleanup_control_expr_graph, disband_implicit_edges,
5475         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
5476         tree_verify_flow_info, tree_make_forwarder_block,
5477         tree_forwarder_block_p, remove_forwarder_block,
5478         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
5479         * tree-if-conv.c (tree_if_conversion): Ditto.
5480         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
5481         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
5482         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
5483         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
5484         copy_loop_headers): Ditto.
5485         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
5486         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
5487         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
5488         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
5489         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
5490         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
5491         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
5492         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
5493         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
5494         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
5495         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
5496         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
5497         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
5498         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
5499         slpeel_add_loop_guard): Ditto.
5500
5501 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
5502
5503         PR tree-optimization/15784
5504         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
5505         and -1 - A to ~A.
5506
5507         * stmt.c (expand_case): Don't change index_type.  Convert minval
5508         to the proper type.
5509
5510         PR tree-optimization/20130
5511         * fold-const.c (fold): Fold x * -1 into -x.
5512
5513 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
5514
5515         PR rtl-optimization/20331
5516         * rtlanal.c (modified_between_p): Check its address first for MEM.
5517         (modified_in_p): Likewise.
5518
5519 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
5520
5521         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
5522
5523 2005-03-10  Steven Bosscher  <stevenb@suse.de>
5524
5525         * expr.c (expand_expr_real_1): If possible, use a conditional
5526         move for expanding MIN_EXPR and MAX_EXPR.
5527         Use temp for moving around rtx-en.
5528
5529 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
5530
5531         PR rtl-opt/20412
5532         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
5533         correct mode.
5534
5535 2005-03-10  Roger Sayle  <roger@eyesopen.com>
5536
5537         * builtins.c (expand_builtin_signbit): Extend to handle floating
5538         point modes wider than the largest integer type, using the
5539         operand_subword_force function to obtain the signbit's word.
5540
5541 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
5542
5543         PR target/20322
5544         * combine.c (try_combine): If recog_for_combine added CLOBBERs
5545         to NEWI2PAT, fail to combine if they are used by NEWPAT.
5546
5547 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
5548
5549         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
5550
5551 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
5552
5553         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
5554         type void.
5555         (perform_edge_inserts): Unconditionally call
5556         free_dominator_info.
5557
5558         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
5559
5560 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
5561
5562         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
5563
5564 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
5565
5566         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
5567
5568         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
5569         gcc_unreachable.
5570         (rtl_register_value_prof_hooks,
5571         tree_value_profile_transformations,
5572         tree_register_value_prof_hooks): Likewise.
5573         * var-tracking.c (stack_adjust_offset_pre_post,
5574         variable_htab_free, variable_union, dataflow_set_different_2,
5575         count_uses, variable_was_changed, set_frame_base_location,
5576         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
5577         vt_add_function_parameters): Likewise.
5578         * varasm.c (named_section_real, named_section, make_decl_rtl,
5579         asm_emit_uninitialised, assemble_integer, decode_addr_const,
5580         const_hash_1, compare_constant, copy_constant, force_const_mem,
5581         output_constant_pool_2, output_constant_pool_1, output_constant,
5582         output_constructor, make_decl_one_only, decl_tls_model,
5583         default_no_named_section, default_elf_select_section_1,
5584         default_unique_section_1): Likewise.
5585         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
5586         * vmsdbgout.c (addr_const_to_string): Likewise.
5587
5588         PR c++/20375
5589         * function.c (struct assign_parm_data_one): Remove last_named
5590         field.
5591         (assign_parm_find_data_types): Don't determine last_named.
5592         Reorder named_parm determination.
5593         (assign_parms): Only setup varargs on the last non-varadic
5594         parameter.
5595
5596 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
5597
5598         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
5599         sda base address on medium model.
5600
5601 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
5602
5603         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
5604         * cfgloop.c (flow_loop_nodes_find): Export.
5605         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
5606         Declare.
5607         * cfgloopmanip.c (fix_loop_structure): New function.
5608         * predict.c (predict_loops): Clean up the loops information.
5609         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
5610         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
5611         loop structure.
5612         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
5613         (rewrite_into_loop_closed_ssa): Declaration changed.
5614         * tree-loop-linear.c (linear_transform_loops): Add argument to
5615         rewrite_into_loop_closed_ssa call.
5616         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5617         * tree-ssa-loop-im.c (move_computations): Ditto.
5618         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5619         * tree-vectorizer.c (vectorize_loops): Ditto.
5620         * tree-optimize.c: Include cfgloop.h.
5621         (execute_todo): Choose whether to call cleanup_tree_cfg or
5622         cleanup_tree_cfg_loop.
5623         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
5624         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
5625         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
5626         cleanup_tree_cfg_loop call.
5627         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
5628         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
5629         work on part of cfg.
5630
5631 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
5632
5633         PR inline-asm/20314
5634         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
5635         with multiple alternatives.
5636
5637         * stmt.c (parse_output_constraint): Fix a typo.
5638
5639 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
5640
5641         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
5642         assembly directive instead of deprecated "no-generics".
5643
5644 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
5645
5646         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
5647         for non-offsettable memory references to cope with outstanding reload
5648         replacements.
5649         * config/s390/s390.md ("reload_outti"): Call find_replacement to
5650         avoid losing outstanding address reloads.
5651         ("reload_outdi", "reload_outdf"): Likewise.
5652
5653 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5654
5655         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
5656         code.  Add more cbrt transformations.
5657
5658 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5659
5660         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
5661
5662 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
5663
5664         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
5665         NULL_TREE when a given tree is not simplified.
5666         (fold): Return the original tree when any of the functions
5667         mentioned above NULL_TREE.
5668
5669         * fold-const.c (fold_unary, fold_binary): Take decomposed
5670         arguments, code, type, op0, and op1 in case of fold_binary.
5671         (fold): Update calls to fold_unary and fold_binary.
5672
5673 2005-03-09  Roger Sayle  <roger@eyesopen.com>
5674
5675         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
5676         a fndecl and an arglist instead of a CALL_EXPR, exp.
5677
5678 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
5679
5680         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
5681
5682         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
5683
5684         * expr.c (expand_assignment): Remove orig_to_rtx.
5685
5686         * fold-const.c (int_const_binop): Remove no_overflow.
5687
5688         * ifcvt.c (noce_emit_move_insn): Remove inmode.
5689
5690         * loop-iv.c (get_biv_step_1): Remove lhs.
5691
5692         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
5693
5694         * real.c (real_nan): Remove neg.
5695
5696         * function.c (thread_prologue_and_epilogue_insns): Remove i
5697         and newinsn.
5698
5699         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
5700         tb.
5701
5702         * tree-eh.c (tree_could_trap_p): Remove idx.
5703
5704         * tree-into-ssa.c (ann): Remove ann.
5705
5706         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
5707
5708         * tree-sra.c (decide_block_copy): Remove inst_count.
5709
5710         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
5711
5712         * tree-ssa-loop-im.c (lhs): Remove.
5713
5714         * cfgbuild.c (state, STATE, SET_STATE,
5715         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
5716         make_edges.
5717         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
5718         (find_basic_blocks): Set the state of each basic block to
5719         BLOCK_NEW.
5720
5721 2005-03-08  Jeff Law  <law@redhat.com>
5722
5723         * tree-cfg.c (cleanup_control_flow): If removal of a computed
5724         goto results in the removal of edges in the CFG, then we need
5725         to recompute dominators.
5726
5727 2005-03-09  Ben Elliston  <bje@au.ibm.com>
5728
5729         * c-common.c (c_do_switch_warnings): Comment fix.
5730
5731 2005-03-08  Julian Brown  <julian@codesourcery.com>
5732
5733         * Patch from 2005-03-08 reverted for causing regressions and
5734         ppc-darwin bootstrap failure.
5735
5736 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
5737
5738         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
5739         Define the real function for ppc-darwin.
5740         * c-typeck.c (convert_arguments): Check for target-specific
5741         invalid argument call to unprototyped function.
5742         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5743         New Macro.
5744         * target.h (invalid_arg_for_unprototyped_fn): New field
5745         in struct calls.
5746         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
5747         default target hook.
5748         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
5749         Declare.
5750
5751 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5752
5753         * c-typeck.c (constructor_stack, constructor_range_stack,
5754         initializer_stack): Make them static.
5755
5756         * cfg.c (rbi_pool): Make it static.
5757
5758         * gimple-low.c (lower_stmt_body): Make it static.
5759         * tree-flow.h: Remove the corresponding prototype.  Don't
5760         declare lower_data.
5761
5762         * sched-deps.c (cache_size): Make it static.
5763
5764         * stor-layout.c (lang_adjust_rli): Make it static.
5765
5766 2005-03-08  Julian Brown  <julian@codesourcery.com>
5767
5768         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
5769         from being used for symbols with vague linkage when
5770         HAVE_GAS_COMDAT_GROUP is true.
5771
5772 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
5773
5774         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
5775         nlabel == JUMP_LABEL (jump).
5776
5777 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5778
5779         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
5780         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
5781         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
5782         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
5783
5784 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
5785
5786         PR c/14411
5787         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
5788         * c-common.c (handle_returns_twice): New function.
5789         (c_common_attribute_table): Declare eturns_twice' attribute.
5790         * doc/extend.texi: Document eturns_twice' attribute.
5791         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
5792         (struct tree_decl): Add returns_twice_flag.
5793
5794 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5795
5796         * tree-ssa-phiopt.c: Fix a comment typo.
5797
5798         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
5799         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
5800         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
5801         copyright.
5802
5803 2005-03-08  Richard Henderson  <rth@redhat.com>
5804
5805         * config/alpha/alpha.c (code_for_builtin): Replace special-case
5806         builtin codes with ctzdi2, clzdi2, popcountdi2.
5807         (struct alpha_builtin_def): Add is_const.
5808         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
5809         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
5810         (alpha_init_builtins): Init them.  Set nothrow and const attributes
5811         on builtins.
5812         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
5813         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
5814         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
5815         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
5816         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
5817         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
5818         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
5819         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
5820         (TARGET_FOLD_BUILTIN): New.
5821         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
5822         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
5823         (ffsdi2): Use ctz.
5824         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
5825
5826 2005-03-08  Ira Rosen  <irar@il.ibm.com>
5827
5828         PR tree-optimization/20122
5829         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
5830         condition of access function instead of base.
5831
5832 2005-03-07  Jeff Law  <law@redhat.com>
5833             Steven Bosscher  <stevenb@suse.de>
5834
5835         * tree-cfg.c (find_taken_edge_computed_goto): New function.
5836         (find_taken_edge): Call find_taken_edge_computed_goto as
5837         appropriate.  Allow any gimple invariant rather than just
5838         INTEGER_CST for VAL.
5839         (cleanup_control_flow): Cleanup a computed goto which has turned
5840         into a simple goto.
5841         (tree_merge_blocks): If block B has any forced labels, move
5842         them to the start of block A.
5843         * tree-ssa-dom.c (thread_across_edge): Allow threading across
5844         computed gotos as well.
5845         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
5846         removal of unnecessary computed gotos too.
5847         (lookup_redirection_data): Fix type of INSERT argument.  Callers
5848         updated.
5849
5850 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5851
5852         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
5853         Remove trailing spaces.
5854
5855         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
5856         unshare_all_trees): Make them static.
5857         * tree-gimple.h: Remove the corresponding prototypes.
5858
5859         * diagnostic.h: Remove unused prototype
5860         debug_output_buffer.
5861         * modulo-sched.c: Remove unused prototype
5862         set_row_column_for_ps.
5863
5864         * tree-ssa-phiopt.c (tree_ssa_phiopt,
5865         replace_phi_edge_with_variable): Remove unused variable i.
5866
5867 2005-03-07  Per Bothner  <per@bothner.com>
5868
5869         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
5870
5871 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
5872
5873         PR tree-opt/17671
5874         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
5875         bbs on the COND_EXPR instead of the PHI_NODEs.
5876         (candidate_bb_for_phi_optimization): Remove.
5877         (replace_phi_with_stmt): Rename to ...
5878         (replace_phi_edge_with_variable): this and change so that we
5879         replace the phi argument instead of removing the PHI.
5880         (conditional_replacement): Change so we deal with PHI with more
5881         than two arguments.
5882         (value_replacement): Likewise.
5883         (abs_replacement): Likewise.
5884
5885 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
5886
5887         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
5888         output_e500_flip_gt_bit.
5889
5890         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
5891         as bit 31.
5892         (rs6000_generate_compare): Fix logic to look at the correct bits.
5893         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
5894         Look at GT bit.
5895         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
5896         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
5897         gen_move_from_CR_gt_bit.
5898
5899         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
5900         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
5901         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
5902
5903         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
5904         (E500_CR_IOR_COMPARE): New constant.
5905
5906 2005-03-08  Earl Chew <earl_chew@agilent.com>
5907             David Billinghurst <David.Billinghurst@riotinto.com>
5908
5909         * config/i386/host-cygwin.c: New file to support precompiled
5910         headers on cygwin
5911         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
5912         * config.host: Use above files for cygwin host.
5913
5914 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
5915
5916         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
5917         ordering ops from earlier change.
5918
5919 2005-03-07  Per Bothner  <per@bothner.com>
5920
5921         Various fixes to allow us to again build if --enable-mapped-location:
5922         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
5923         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
5924         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
5925         local variable loc. Change logic appropriately.
5926         * tree-vect-transform.c (vect_finish_stmt_generation): Use
5927         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
5928         * c-parser.c (c_parser_for_statement): Initialize loc variable.
5929         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
5930         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
5931
5932 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
5933
5934         PR rtl-optimization/19683
5935         * reload1.c (choose_reload_regs): Pass the number of bits, not the
5936         number of bytes, to smallest_int_for_mode.  Fix arguments to
5937         REG_CANNOT_CHANGE_MODE_P.
5938
5939 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5940
5941         * reorg.c (relax_delay_slots): Check that the jump is
5942         conditional before trying to invert it.
5943
5944 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
5945
5946         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
5947         Make them static.
5948
5949         * calls (stack_arg_under_construction): Make it static.
5950
5951         * flow.c (regs_live_at_setjmp): Make it static.
5952         * flow.h: Remove the corresponding prototype.
5953
5954         * reload1.c (reload_startobj, reload_firstobj,
5955         something_needs_operands_changed, reload_inherited,
5956         reload_inheritance_insn, reload_override_in,
5957         reload_spill_index): Make them static.
5958
5959         * recog.c (verify_changes): Make it static.
5960         * recog.h: Remove the corresponding prototype.
5961
5962         * cfgbuild.c (find_sub_basic_blocks): Remove.
5963         * basic-block.h: Remove the corresponding prototype.
5964         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
5965         in comments.
5966         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
5967
5968         * tree-ssa-operands.c (check_build_stmt): Remove.
5969
5970         * stor-layout.c (set_alignment): Remove.
5971         * tree.h: Remove the corresponding prototype.
5972
5973         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
5974
5975         * tree-ssa-dce.c (control_dependence_map,
5976         visited_control_parents): Make them static.
5977
5978         * cfghooks.c (verify_flow_info): Remove local variable
5979         num_bb_notes.
5980
5981         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
5982         last_bb_seen.
5983
5984         * loop-unswitch.c (unswitch_loop): Remove local variable src.
5985
5986 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
5987
5988         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
5989
5990 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
5991
5992         * config/ia64/hpux.h (LINK_SPEC): Add -z.
5993         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
5994         PARALLEL for an empty structure.
5995
5996 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
5997
5998         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
5999
6000         * fold-const.c (fold_binary): Unroll the very first "for"
6001         loop.
6002
6003 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
6004
6005         * config/rs6000/predicates.md (branch_comparison_operator): Remove
6006         redundant match_code test.
6007         (scc_comparison_operator): Swap match_operand and match_code
6008         tests.
6009         (branch_positive_comparison_operator): Same.
6010         (trap_comparison_operator): Use comparison_operator and swap with
6011         match_code test.
6012
6013 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6014
6015         PR target/20288
6016         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
6017         (out_movhi_r_mr): Read low byte of volatile MEM first.
6018         (out_movhi_mr_r): Write high byte of volatile MEM first.
6019
6020 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6021
6022         * cselib.c (reg_values, reg_values_size): Make them static.
6023
6024         * cse.c (cse_reg_info_table): Make it static.
6025
6026         * fold-const.c (fold_unary): Use build1 instead of copy_node.
6027
6028 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
6029
6030         * cse.c (find_best_addr): Use canon_for_address.
6031
6032 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6033
6034         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
6035         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
6036         SUBREG and MEM, respectively.
6037
6038         * fold-const.c (fold_binary): Use code instead of t.
6039
6040         * fold-const.c (optimize_minmax_comparison): Take decomposed
6041         arguments code, type, op0, and op1 instead of t.
6042         (fold_binary): Update a call to optimize_minmax_comparison.
6043
6044         * fold-const.c (fold_range_test): Take decomposed arguments
6045         code, type, op0, and op1 instead of t.
6046         (fold_binary): Update a call to fold_range_test.
6047
6048         * fold-const.c (fold_binary_op_with_conditional_arg): Take
6049         decomposed arguments code, type, op0, and op1 instead of t.
6050         (fold_binary): Update a call to fold_range_test.
6051
6052 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6053
6054         * fold-const.c (fold_binary): Avoid directly using the original
6055         expression t as much as possible.
6056
6057 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6058
6059         * c-semantics.c (build_stmt): Use TYPE_P instead of
6060         IS_NON_TYPE_CODE_CLASS.
6061         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
6062         (NON_TYPE_CHECK): Use TYPE_P instead of
6063         IS_NON_TYPE_CODE_CLASS.
6064
6065         * fold-const.c (fold): Remove handling of binary expressions.
6066
6067 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
6068
6069         * doc/c-tree.texi: Wrap comments in @r{}.
6070         * doc/cpp.texi: Likewise.
6071         * doc/cppinternals.texi: Likewise.
6072         * doc/extend.texi: Likewise.
6073         * doc/md.texi: Likewise.
6074         * doc/objc.texi: Likewise.
6075         * doc/sourcebuild.texi: Likewise.
6076         * doc/tm.texi: Likewise.
6077         * doc/tree-ssa.texi
6078
6079 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6080
6081         * predict.c (apply_return_prediction): Standardize PHI chain
6082         walking.
6083         * tree-ssa.c (ssa_redirect_edge): Likewise.
6084
6085         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
6086         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
6087         Update copyright.
6088
6089         * tree-phinodes.c (remove_phi_node): Drop the last argument.
6090         * tree-flow.h: Adjust the prototype for remove_phi_node.
6091         * lambda-code.c (perfect_nestify): Adjust a call to
6092         remove_phi_node.
6093         * tree-cfg.c
6094         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
6095         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
6096         Likewise.
6097         * tree-ssa-dce.c (remove_dead_phis): Likewise.
6098         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6099         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6100         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
6101
6102         * combine.c (simplify_and_const_int): Use gen_int_mode instead
6103         of GEN_INT (trunc_int_for_mode (...)).
6104         * loop-iv.c (iv_number_of_iterations): Likewise.
6105         * postreload.c (reload_cse_move2add): Likewise.
6106         * simplify-rtx.c (simplify_const_unary_operation,
6107         simplify_const_binary_operation): Likewise.
6108         * stor-layout.c (get_mode_bounds): Likewise.
6109
6110         * fold-const.c (fold_binary): New.
6111         (fold): Call fold_binary on binary expressions.
6112
6113 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
6114
6115         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
6116         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
6117         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
6118         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
6119         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
6120
6121 2005-03-04  Devang Patel  <dpatel@apple.com>
6122
6123         PR tree-optimization/18815
6124         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6125         loops with zero exit edges.
6126
6127 2005-03-04  Devang Patel  <dpatel@apple.com>
6128
6129         * doc/invoke.texi: Remove reference to webpage that does not exist.
6130
6131 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
6132             Joseph S. Myers  <joseph@codesourcery.com>
6133
6134         PR c++/19797
6135         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
6136         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
6137         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
6138         * pa.c (get_plabel): Change argument to symbol_ref.  Call
6139         maybe_get_identifier instead of get_identifier.
6140         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
6141         (struct deferred_plabel): Replace name field with symbol field.
6142         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
6143         ASM_OUTPUT_EXTERNAL_REAL is defined.
6144         (output_global_address): Use output_addr_const for output of all
6145         symbol_refs.
6146         (output_deferred_plabels): Use symbol_ref instead of name for address
6147         output.
6148         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
6149         ASM_OUTPUT_SYMBOL_REF): New macros.
6150         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
6151         comment.
6152         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
6153         label.
6154
6155 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
6156
6157         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
6158         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
6159
6160 2005-03-04  Jeff Law  <law@redhat.com>
6161
6162         * basic-block.h (rediscover_loops_after_threading): Declare.
6163         * tree-ssa-dom.c: Include cfgloop.h.
6164         (tree_ssa_dominator_optimize): Discover loops and some basic
6165         properties.  Remove forwarder blocks recreated by loop header
6166         canonicalization.  Also mark backedges in the CFG.
6167         * tree-ssa-threadupdate.c: Include cfgloop.h
6168         (rediscover_loops_after_threading): Define.
6169         (struct local_info): New field, JUMP_THREADED.
6170         (prune_undesirable_thread_requests): New function.
6171         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
6172         then record that fact for the callers of redirct_edges.
6173         (thread_block): If BB has incoming backedges, then call
6174         prune_undesirable_thraed_requests.    Note when we are
6175         going to have to rediscover loop information.  Return a
6176         boolean indicating if any jumps were threaded.
6177         (thread_through_all_blocks): Bubble up boolean indicating
6178         if any jumps were threaded.
6179         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
6180         (tree-ssa-threadupdate.o): Similarly.
6181
6182 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6183
6184         * fold-const.c (fold_ternary): Unroll the "for" loop to
6185         extract operands.
6186
6187 2005-03-04  Andrew Haley  <aph@redhat.com>
6188
6189         * unwind-dw2-fde-glibc.c (struct
6190         unw_eh_callback_data.check_cache): New field.
6191         (frame_hdr_cache): New.
6192         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
6193         Cache frame header info.
6194
6195 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
6196
6197         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
6198         (print_c_condition): Declare.
6199         * read-rtl.c (ptr_loc): New structure.
6200         (ptr_locs, ptr_loc_obstack, joined_conditions)
6201         (joined_conditions_obstack): New variables.
6202         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
6203         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
6204         (join_c_conditions, print_c_condition): New functions.
6205         (apply_macro_to_string): Associate the new string with the same
6206         source location as the old one.
6207         (add_condition_to_string): Use join_c_conditions.
6208         (read_string): Use set_rtx_ptr_loc to record a filename and line
6209         number for the string.
6210         (read_rtx): Initialize the new variables above.
6211         * genattrtab.c (write_test_expr, write_attr_value): Use
6212         print_c_condition.
6213         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
6214         comment above the GCC_VERSION check.
6215         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
6216         Inline the definition of MAYBE_EVAL.
6217         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
6218         * genoutput.c (process_template): Likewise.
6219         * genpreds.c (write_predicate_subfunction): Likewise.
6220         (write_predicate_expr): Use print_c_condition.
6221         * genrecog.c (write_cond): Likewise.
6222         * gensupport.c (process_rtx): Use join_c_conditions to join the
6223         conditions of a define_insn_and_split.  Record a source location
6224         for the string after the "&&".
6225         (alter_test_for_insn): Use join_c_conditions.
6226
6227 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
6228
6229         Revert for now:
6230         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6231         PR tree-optimization/15784
6232         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6233         and -1 - A to ~A.
6234
6235 2005-03-04  Ben Elliston  <bje@au.ibm.com>
6236
6237         * gcc.c (option_map): Add --coverage.
6238         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
6239         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
6240         * config/darwin.h: Pass -lgcov for `coverage'.
6241         * doc/invoke.texi (Debugging Options): Document --coverage.
6242
6243 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6244
6245         * gcse.c (bypass_block): Use find_edge wherever possible.
6246
6247 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
6248
6249         Fix PR debug/20253
6250
6251         * c-opts.c (c_common_parse_file): Call start_source_file
6252         and end_source_file at the approriate times.
6253
6254         * dwarf2out.c (dwarf2out_finish): Don't auto-end
6255         the main file, it will be done for us now.
6256
6257 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6258
6259         * fold-const.c (fold_ternary): New.
6260         (fold): Call fold_ternary on ternary expressions.  Remove
6261         handling of ternary expressions.
6262
6263 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6264
6265         PR tree-optimization/15784
6266         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6267         and -1 - A to ~A.
6268
6269 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
6270
6271         * config/rs6000/predicates.md (branch_comparison_operator):
6272         Convert from C block to conditional format.
6273
6274 2005-03-03  Jan Hubicka  <jh@suse.cz>
6275
6276         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
6277         and non-constant public variables.
6278
6279 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
6280
6281         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
6282         with LABEL_EXPR.
6283
6284         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
6285         EDGE_I.
6286
6287         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
6288         calls to release_ssa_name and release_phi_node.
6289
6290         * fold-const.c (fold): Remove handling of unary expressions.
6291
6292         * fold-const.c (fold_unary): Avoid directly using the original
6293         expression t as much as possible.
6294
6295 2005-03-03  Roger Sayle  <roger@eyesopen.com>
6296             Andrew Pinski  <pinskia@physics.uc.edu>
6297
6298         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
6299         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
6300
6301 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
6302
6303         Describe special registers SRP and MOF as allocatable registers.
6304         * config/cris/cris.c (cris_md_asm_clobbers): New function.
6305         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
6306         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
6307         TARGET_HAS_MUL_INSNS.
6308         (cris_print_operand) <case 'd'>: New case.
6309         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
6310         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
6311         define.
6312         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
6313         (REG_ALLOC_ORDER): Update for MOF.
6314         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
6315         SPECIAL_REGS.
6316         (GENERAL_REGS): No longer a define of ALL_REGS.
6317         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
6318         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6319         Adjust accordingly.
6320         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
6321         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
6322         (SECONDARY_RELOAD_CLASS): Define.
6323         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
6324         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
6325         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
6326         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
6327         (REGISTER_MOVE_COST): Define.
6328         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
6329         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
6330         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
6331         (CRIS_MOF_REGNUM): New define_constants.
6332         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
6333         special registers.
6334         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
6335         New patterns.
6336         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
6337         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
6338         Adjust for MOF being properly described as a register.
6339         (indir_to_reg_split): Name this split.  Conditionalize on the
6340         destination register being a general register.
6341         (movei): Conditionalize on on operands 0 and 1 having the same
6342         register class.
6343
6344 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
6345
6346         PR target/20277
6347         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
6348         -mcpu to override any other explicitly given flags.
6349
6350 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
6351
6352         * recog.c (verify_changes, confirm_change_group): New functions,
6353         broken out of apply_change_group.
6354         (apply_change_group): Use them.
6355         * recog.h (verify_change, confirm_change_group): Declare.
6356         * rtl.h (redirect_jump_2): Declare.
6357         * jump.c (redirect_exp, invert_exp): Delete.
6358         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
6359         (redirect_jump_2): New function, broken out of redirect_jump.
6360         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
6361         (invert_jump): Use invert_jump_1 and redirect_jump_2.
6362         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
6363
6364 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
6365
6366         * varasm.c (named_section): Use xstrdup rather than doing it by
6367         hand.
6368
6369         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
6370
6371 2005-03-02  Devang Patel  <dpatel@apple.com>
6372
6373         Undo PR tree-optimization/18815 fix.
6374
6375 2005-03-02  Devang Patel  <dpatel@apple.com>
6376
6377         PR tree-optimization/18815
6378         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6379         loops with zero exit edges.
6380
6381 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6382
6383         * cfg.c (connect_src, connect_dest, disconnect_src,
6384         disconnct_dest): New.
6385         (unchecked_make_edge, remove_edge, redirect_edge_succ,
6386         redirect_edge_pred): Use the new functions.
6387
6388         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
6389         free_dominance_info only when needed.
6390
6391 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
6392
6393         PR target/20276
6394         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
6395         (reg_or_sub_cint64_operand): Same.
6396
6397 2005-03-02  Jeff Law  <law@redhat.com>
6398
6399         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
6400         CFG_ALTERED in the main DOM iteration loop.
6401
6402 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
6403
6404         PR c++/19916
6405         * varasm.c (initializer_constant_valid_p): Allow conversions
6406         between OFFSET_TYPEs.  Tidy.
6407
6408 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
6409
6410         * config/cris/cris.md ("return"): Remove epilogue delay list
6411         sanity check.
6412
6413 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
6414
6415         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
6416         for Thumb.
6417         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
6418
6419 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6420
6421         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
6422         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
6423         config/m68k/m68k.c, config/mips/mips.h,
6424         config/rs6000/rs6000-protos.h, doc/contrib.texi,
6425         doc/include/gcc-common.texi: Update copyright.
6426
6427         PR middle-end/18029 and PR middle-end/18030
6428         * expr.c (optimize_bitfield_assignment_op): Add a special case
6429         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
6430
6431         * fold-const.c (fold_unary): New.
6432         (fold): Call fold_unary on unary expressions.
6433
6434 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
6435
6436         * cgraph.h (struct cgraph_edge): Add prev_caller and
6437         prev_callee fields.
6438         (cgraph_node_remove_callees): Export.
6439         * cgraph.c (cgraph_create_edge): Initialize prev_caller
6440         and prev_callee.
6441         (cgraph_edge_remove_callee): New function.
6442         (cgraph_edge_remove_caller): Likewise.
6443         (cgraph_remove_edge): Use.
6444         (cgraph_redirect_edge_callee): Likewise.
6445         (cgraph_node_remove_callees): New function.
6446         (cgraph_node_remove_callers): Likewise.
6447         (cgraph_remove_node): Use.
6448         * tree-optimize.c (tree_rest_of_compilation): Use
6449         cgraph_node_remove_callees instead of manual loop.
6450         * cgraphunit.c (cgraph_finalize_function): Likewise.
6451         (cgraph_expand_function): Likewise.
6452         (cgraph_remove_unreachable_nodes): Likewise.
6453
6454 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
6455
6456         PR c/8927
6457         * c-tree.h (undeclared_variable, build_external_ref): Add extra
6458         argument.
6459         * c-decl.c (undeclared_variable): Take location as argument.
6460         * c-typeck.c (build_external_ref): Likewise.
6461         * c-parser.c (c_parser_postfix_expression): Pass location of
6462         identifier to build_external_ref.
6463
6464 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
6465
6466         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
6467         CCEQ mode for branch_positive_comparison_operator test.
6468         * config/rs6000/predicates (branch_comparison_operator): Revert to
6469         define_predicate.
6470         (scc_comparison_operator): Same.
6471         (branch_positive_comparison_operator): Same.
6472
6473 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
6474
6475         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
6476         (cris_delay_slots_for_epilogue): Remove.
6477         (save_last): Move into cris_target_asm_function_epilogue.
6478         (cris_target_asm_function_epilogue): Remove tests for file being
6479         NULL.
6480         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
6481         (cris_delay_slots_for_epilogue): Remove prototypes.
6482         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
6483         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
6484
6485 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
6486
6487         * config/rs6000/predicates.md (branch_comparison_operator): Change
6488         to define_special_predicate.
6489         (scc_comparison_operator): Same.
6490         (branch_positive_comparison_operator): Same.
6491
6492 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
6493
6494         * Makefile.in (tree-ssa-sink.o): New.
6495         (OBJS-common): Add tree-ssa-sink.o.
6496         * common.opt: Add -ftree-sink
6497         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
6498         * timevar.def (TV_TREE_SINK): new timevar.
6499         * tree-flow.h (is_hidden_global_store): Prototype.
6500         * tree-optimize.c (init_tree_optimization_passes): Add
6501         pass_sink_code.
6502         * tree-pass.h (pass_sink_code): New.
6503         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
6504         for non-obvious global store store to is_hidden_global_store, and
6505         call that new function.
6506         * tree-ssa-sink.c: New file.
6507         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
6508         * doc/passes.texi: Document forward store motion.
6509         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
6510         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
6511         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
6512         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
6513
6514 2005-03-01  Per Bothner  <per@bothner.com>
6515
6516         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
6517         and we have a non-zero column-number, add it to the message.
6518         Also factor out the diagnostic_kind_text.
6519
6520 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
6521
6522         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
6523         flow_loop_pre_header_scan, flow_loop_pre_header_find,
6524         flow_loop_scan): Removed.
6525         (flow_loop_dump): Do not dump removed fields.
6526         (flow_loop_free): Do not free removed fields.
6527         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
6528         (loop_exit_edge_p): New function.
6529         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
6530         num_pre_header_edges, entry_edges, num_entries, exit_edges,
6531         num_exits, exits_doms.
6532         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
6533         LOOP_EDGES, LOOP_ALL): Removed.
6534         (flow_loop_scan): Declaration removed.
6535         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
6536         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
6537         flow_loops_find.
6538         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
6539         (if_convert): Call flow_loops_find and flow_loops_free
6540         when calling mark_loop_exit_edges.
6541         * cfgloopanal.c (mark_loop_exit_edges): Moved from
6542         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
6543         free_dominance_info calls.
6544         * loop-init.c (flow_loops_find): Ditto.
6545         * passes.c (rest_of_handle_branch_prob): Ditto.
6546         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
6547         * loop-unroll.c (analyze_insns_in_loop): Do not use
6548         EDGE_LOOP_EXIT.
6549         * predict.c (predict_loops): Do not call flow_loop_scan.
6550         Use get_loop_exit_edges.
6551         (tree_estimate_probability): Do not pass flags to flow_loops_find.
6552         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
6553         Do not use EDGE_LOOP_EXIT.
6554         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
6555         to bb_with_exit_edge_p.
6556         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
6557         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
6558         to bb_with_exit_edge_p.
6559         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
6560         EDGE_LOOP_EXIT.
6561         * tree-loop-linear.c (linear_transform_loops): Do not call
6562         flow_loop_scan.  Use loop->single_exit.
6563         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
6564         (vect_analyze_loop_form): Do not call flow_loop_scan.
6565         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
6566         loop->single_exit.
6567         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
6568         loop->single_exit.
6569         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
6570         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
6571         slpeel_tree_duplicate_loop_to_edge_cfg,
6572         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
6573         Use loop_preheader_edge and loop->single_exit.  Do not call
6574         flow_loop_scan.
6575
6576 2005-03-01  Nick Clifton  <nickc@redhat.com>
6577
6578         * config/arm/arm.c (thumb_find_work_register): Check all of the
6579         argument registers to see if they are free, and a couple of
6580         special cases where the last argument register but can be proved
6581         to be available during the function's prologue.
6582         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
6583         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
6584         thumb_unexpanded_epilogue): Use unsigned long as the type for the
6585         register bit-mask.
6586         (thumb_compute_save_reg_mask): Likewise.  Also use
6587         thumb_find_work_register() to ensure that there is agreement about
6588         which work register is going to be used in the prologue.
6589         (thumb_output_function_prologue): Use unsigned long as the type
6590         for the register bit-mask.  Also delay pushing the link register if
6591         other high registers are going to be pushed.
6592         (thumb_compute_save_reg_mask, emit_multi_reg_push,
6593         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
6594         redundant prototypes.
6595
6596 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
6597
6598         PR target/19819
6599         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
6600         and after reload in REG+REG indexed addresses without REG_POINTER
6601         set in the base and not set in the index.
6602
6603 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
6604
6605         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
6606         Don't undefine here.
6607         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
6608         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
6609         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
6610         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
6611         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
6612         Delete.
6613         * config.gcc (sh*-*-linux*): Use config/linux.h.
6614
6615 2005-02-28  Dale Johannesen  <dalej@apple.com>
6616             Stan Shebs  <shebs@apple.com>
6617
6618         Rewrite of 64-bit Darwin structure-by-value pass/return.
6619         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
6620         intoffset, use_stack, named.
6621         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
6622         (rs6000_darwin64_record_arg_advance_flush):  New.
6623         (rs6000_darwin64_record_arg_advance_recurse): New.
6624         (rs6000_darwin64_record_arg_flush):  New.
6625         (rs6000_darwin64_record_arg_recurse):  New.
6626         (rs6000_darwin64_record_arg):  New.
6627         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
6628         (function_arg_boundary):  Handle 128-bit aligned structs.
6629         (function_arg_advance):  Rewrite darwin64 struct handling.
6630         (function_arg):  Call rs6000_darwin64_record_arg.
6631         (function_arg_partial_nregs):  Handle darwin64 structs.
6632         (rs6000_darwin64_function_value):  Remove.
6633         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
6634
6635 2005-02-28  Roger Sayle  <roger@eyesopen.com>
6636
6637         PR tree-optimization/20216
6638         * tree-chrec.c (tree_fold_factorial): Delete.
6639         (tree_fold_binomial): Change argument list to take a return type
6640         and change the type of K to unsigned int.  Rewrite to avoid explicit
6641         evaluation of factorials, and (recursively) calling fold to perform
6642         compile-time arithmetic.  Return NULL on (internal) overflow.
6643         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
6644         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
6645         if any intermediate calculation overflows.
6646         (chrec_apply): Update call to chrec_evaluate.
6647
6648 2005-02-28  James E Wilson  <wilson@specifixinc.com>
6649
6650         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
6651
6652 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
6653
6654         PR c/20245
6655         * c-parser.c (c_parser_compound_statement): Return error_mark_node
6656         instead of NULL_TREE on error.
6657
6658 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
6659
6660         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
6661         (EASY_VECTOR_15_ADD_SELF): Remove.
6662         (num_insns_constant_wide): Not static.
6663         (validate_condition_mode): Not static.
6664         (toc_relative_expr_p): Not static.
6665         (legitimate_indirect_address_p): Not static.
6666         (macho_lo_sum_memory_operand): Not static.
6667         (invalid_e500_subreg): Not static.
6668         (easy_vector_same): Not static.
6669         (easy_vector_splat_const): Not static.
6670         (RS6000_SYMBOL_REF_TLS_P): Remove.
6671         (any_operand): Delete.
6672         (any_parallel_operand): Delete.
6673         (count_register_operand): Delete.
6674         (altivec_register_operand): Delete.
6675         (xer_operand): Delete.
6676         (s8bit_cint_operand): Delete.
6677         (short_cint_operand): Delete.
6678         (u_short_cint_operand): Delete.
6679         (non_short_cint_operand): Delete.
6680         (exact_log2_cint_operand): Delete.
6681         (gpc_reg_operand): Delete.
6682         (cc_reg_operand): Delete.
6683         (cc_reg_not_cr0_operand): Delete.
6684         (reg_or_short_operand): Delete.
6685         (reg_or_neg_short_operand): Delete.
6686         (reg_or_aligned_short_operand): Delete.
6687         (reg_or_u_short_operand): Delete.
6688         (reg_or_cint_operand): Delete.
6689         (reg_or_arith_cint_operand): Delete.
6690         (reg_or_add_cint64_operand): Delete.
6691         (reg_or_sub_cint64_operand): Delete.
6692         (reg_or_logical_cint_operand): Delete.
6693         (got_operand): Delete.
6694         (got_no_const_operand): Delete.
6695         (easy_fp_constant): Delete.
6696         (easy_vector_constant): Delete.
6697         (easy_vector_constant_add_self): Delete.
6698         (zero_constant): Delete.
6699         (zero_fp_constant): Delete.
6700         (volatile_mem_operand): Delete.
6701         (offsettable_mem_operand): Delete.
6702         (mem_or_easy_const_operand): Delete.
6703         (add_operand): Delete.
6704         (non_add_cint_operand): Delete.
6705         (logical_operand): Delete.
6706         (non_logical_cint_operand): Delete.
6707         (mask_operand): Delete.
6708         (mask_operand_wrap): Delete.
6709         (mask64_operand): Delete.
6710         (mask64_2_operand): Delete.
6711         (and64_operand): Delete.
6712         (and64_2_operand): Delete.
6713         (and_operand): Delete.
6714         (reg_or_mem_operand): Delete.
6715         (lwa_operand): Delete.
6716         (symbol_ref_operand): Delete.
6717         (call_operand): Delete.
6718         (current_file_function_operand): Delete.
6719         (input_operand): Delete.
6720         (rs6000_nonimmediate_operand): Delete.
6721         (rs6000_tls_symbol_ref): Delete.
6722         (save_world_operation): Delete.
6723         (restore_world_operation): Delete.
6724         (load_multiple_operation): Delete.
6725         (store_multiple_operation): Delete.
6726         (vrsave_operation): Delete.
6727         (mfcr_operation): Delete.
6728         (mtcrf_operation): Delete.
6729         (lmw_operation): Delete.
6730         (stmw_operation): Delete.
6731         (branch_comparison_operator): Delete.
6732         (branch_positive_comparison_operator): Delete.
6733         (scc_comparison_operator): Delete.
6734         (trap_comparison_operator): Delete.
6735         (boolean_operator): Delete.
6736         (boolean_or_operator): Delete.
6737         (min_max_operator): Delete.
6738         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
6739         (EASY_VECTOR_15): Moved to here.
6740         (EASY_VECTOR_15_ADD_SELF): Move to here.
6741         (PREDICATE_CODES): Delete.
6742         * config/rs6000/rs6000-protos.h: Delete predicate functions.
6743         Declare functions no longer static.
6744         * config/rs6000/predicates.md: New.
6745         * config/rs6000/rs6000.md: Include predicates.md
6746
6747 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
6748
6749         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
6750         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
6751         REG_ALWAYS_RETURN.
6752         * cfgrtl.c (need_fake_edge_p): Likewise.
6753         * combine.c (distribute_notes): Likewise.
6754         * emit-rtl.c (try_split): Likewise.
6755         * recog.c (peephole2_opimize): Likewise.
6756         * reg-notes.def (ALWAYS_RETURN): Remove.
6757         * rtl.h (LCT_ALWAYS_RETURN): Remove.
6758         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
6759         * tree.h (ECF_ALWAYS_RETURN): Remove.
6760
6761 2005-02-28  Roger Sayle  <roger@eyesopen.com>
6762
6763         PR middle-end/19874
6764         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
6765         between different machine modes is never a "useless" conversion.
6766
6767 2005-02-28  Geert Bosch  <bosch@gnat.com>
6768
6769         PR ada/15977
6770         * doc/contrib.texi: List contributors for Ada front end
6771
6772 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
6773
6774         * simplify-rtx.c (simplify_unary_operation_1,
6775         simplify_const_unary_operation): New, extracted from...
6776         (simplify_unary_operation): ... this one.
6777         (simplify_binary_operation_1,
6778         simplify_const_binary_operation): New, extracted from...
6779         (simplify_binary_operation): ... this one.
6780         * rtl.h (simplify_const_unary_operation,
6781         simplify_const_binary_operation): Add prototypes.
6782
6783 2005-02-28  Julian Brown  <julian@codesourcery.com>
6784
6785         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
6786         building libjava and caused PR regression/20228.
6787
6788 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
6789
6790         PR bootstrap/17383
6791         * Makefile.in (host_subdir): New.
6792         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
6793         * configure: Regenerate.
6794
6795 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
6796
6797         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
6798         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
6799         installation directory first.
6800
6801 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
6802
6803         PR target/19065.
6804         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
6805         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
6806         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
6807         * config/cris/cris.md: Tweak comments referring to Q.
6808         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
6809         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
6810         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
6811         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
6812         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
6813         Insert spaces in constraints to align alternatives vertically for
6814         readability.
6815         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
6816         operand 1: "M".
6817
6818 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6819
6820         PR rtl-optimization/17728
6821         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
6822         operand 0 from general_operand to move_dest_operand.
6823
6824 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6825
6826         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
6827         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
6828         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
6829         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
6830
6831 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
6832
6833         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
6834         * configure: Regenerate.
6835         * libada-mk.in: Remove CC; rename
6836         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
6837
6838 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
6839
6840         PR tree-opt/20188
6841         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
6842         for the lhs, also walk over the tree.  Likewise for rhs.
6843
6844 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
6845
6846         * tree-ssa-dom.c (simple_iv_increment_p): New function.
6847         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
6848         Do not propagate value of iv before increment over the increment.
6849
6850 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
6851
6852         * c-parser.c: New file.
6853         * c-parse.in: Remove.
6854         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
6855         Remove.
6856         (c-parser.o): Add dependencies.
6857         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
6858         maintainer-clean, TAGS): Update.
6859         * c-config-lang.in (gtfiles): Update.
6860         * gengtype-lex.l: Don't handle "@@".
6861         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
6862         objc_build_synchronized, objc_begin_try_stmt,
6863         objc_begin_catch_clause, objc_finish_catch_clause,
6864         objc_build_finally_clause, objc_finish_try_stmt): New.
6865         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
6866         type_seen_p.
6867         (c_parse_init): Update comment.
6868         * c-decl.c (c_init_decl_processing): Update comment.
6869         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
6870         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
6871         new c_declspecs members.
6872
6873 2005-02-25  Julian Brown  <julian@codesourcery.com>
6874
6875         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
6876         from being used for symbols with vague linkage when
6877         HAVE_GAS_COMDAT_GROUP is true.
6878
6879 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
6880
6881         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
6882
6883 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
6884
6885         PR target/19930
6886         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
6887         (LIBGCC2_HAS_DF_MODE): New.
6888         (LIBGCC2_HAS_XF_MODE): New.
6889         (LIBGCC2_HAS_TF_MODE): New.
6890         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
6891         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
6892         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
6893         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
6894         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
6895         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
6896         and add _fixtfdi, _fixunstfdi, _floatditf
6897         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
6898         L_fixunstfdi, L_floatditf.
6899         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
6900         (LIBGCC2_HAS_TF_MODE): Define.
6901
6902 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
6903
6904         PR tree-optimization/20204
6905         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
6906         REWRITE_THIS_STMT markers on PHI nodes.
6907         (rewrite_initialize_block): Likewise.
6908
6909 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
6910
6911         * version.c (version_string): Update to 4.1.
6912
6913 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
6914
6915         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
6916         Clarify that the alternative way doesn't work in GNU C++.
6917
6918 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6919
6920         PR tree-optimization/19937
6921         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
6922         to the type of the induction variable.
6923
6924 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
6925
6926         PR rtl-optimization/20117
6927         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
6928         the block including noncopyable insn.
6929
6930 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
6931
6932         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
6933         calls to find_reg_note.
6934
6935 2005-02-24  Richard Henderson  <rth@redhat.com>
6936
6937         PR tree-opt/20127
6938         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
6939         the type.
6940
6941 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
6942
6943         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
6944         vector types if to use base reg for misaligned non-word ld/std.
6945
6946 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
6947
6948         PR target/14619
6949         * config/cris/cris.c (cris_target_asm_function_prologue): Create
6950         dwarf2 label manually and put it after, not before the prologue.
6951
6952 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
6953
6954         PR target/19019
6955         * reload.c (operands_match_p): Only increment register number for
6956         SCALAR_INT_MODE_P modes in multiple hard registers.
6957
6958         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
6959         Fix formatting.
6960
6961 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6962
6963         * ChangeLog.5: Fix log message typo(s).
6964         * ChangeLog.7: Likewise.
6965         * ChangeLog.tree-ssa: Likewise.
6966         * cfgexpand.c: Fix comment typo(s).
6967         * conflict.c: Likewise.
6968         * defaults.h: Likewise.
6969         * dwarf2out.c: Likewise.
6970         * gcse.c: Likewise.
6971         * ggc-page.c: Likewise.
6972         * tree-eh.c: Likewise.
6973         * tree-ssa-dom.c: Likewise.
6974
6975 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
6976
6977         PR target/19019
6978         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
6979         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
6980         if SHARED is defined.
6981
6982         PR target/20196
6983         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
6984         allow splitting only if operands 0 and 3 don't overlap.
6985
6986 2005-02-24  Richard Henderson  <rth@redhat.com>
6987
6988         PR middle-end/19953
6989         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
6990         (fold_builtin_1): Call them.
6991         * fold-const.c (fold_complex_mult_parts): Split out from ...
6992         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
6993         (fold_complex_div_parts, fold_complex_div): New.
6994         (fold): Use them.
6995         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
6996
6997 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6998
6999         * tree-ssa-ccp.c (visit_assignment): Verify that result of
7000         VIEW_CONVERT_EXPR is_gimple_min_invariant.
7001
7002         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
7003         (print_node): Likewise.
7004         Print TYPE_SIZES_GIMPLIFIED.
7005
7006 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
7007
7008         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
7009         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
7010         operands as commutative in constraints.
7011
7012 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
7013
7014         * tree-into-ssa.c: Re-organize internal functions.
7015
7016 2005-02-24  Richard Henderson  <rth@redhat.com>
7017
7018         PR middle-end/18902
7019         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
7020         for c99.
7021         * common.opt (fcx-limited-range): New.
7022         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
7023         * toplev.c (flag_complex_method): Initialize to 1.
7024         (process_options): Set flag_complex_method to 0 if
7025         flag_cx_limited_range.
7026         * doc/invoke.texi (-fcx-limited-range): New.
7027
7028 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7029
7030         * cse.c (delete_trivially_dead_insns): Speed up by using
7031         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
7032         prev_real_insn.
7033
7034 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
7035
7036         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
7037         functions when -mid-shared-library is being used.
7038
7039 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7040
7041         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
7042         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
7043         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
7044         * system.h: Poison LINK_LIBGCC_SPECIAL.
7045
7046 2005-02-23  James E Wilson  <wilson@specifixinc.com>
7047
7048         * gengtype.c (note_insn_name): Make 1 element larger.
7049
7050 2005-02-23  Roger Sayle  <roger@eyesopen.com>
7051
7052         PR target/20018
7053         PR rtl-optimization/20097
7054         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
7055         BImode SUBREGs of SImode registers which confuse the ia64 backend.
7056
7057 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
7058
7059         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
7060         * t-aix52 (SHLIB_INSTALL): Same.
7061
7062 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
7063
7064         * genpreds.c: Update copyright.
7065
7066 2005-02-23  Michael Beach  <michaelb@ieee.org>
7067
7068         PR target/20159
7069         * config/sparc/t-elf (startup files): Assemble with CPP.
7070
7071 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
7072
7073         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
7074         (write_predicate_expr): Likewise.
7075
7076 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7077
7078         PR tree-optimization/20100
7079         PR tree-optimization/20115
7080         * tree-optimize.c (init_tree_optimization_passes): Remove
7081         pass_maybe_create_global_var.
7082         * tree-pass.h (pass_maybe_create_global_var): Remove.
7083         * tree-ssa-alias.c (aliases_computed_p): Declare.
7084         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
7085         (count_calls_and_maybe_create_global_var): Remove.
7086         (pass_maybe_create_global_var): Remove.
7087         (init_alias_info): Do not declare aliases_computed_p.
7088         (maybe_create_global_var): If the function contains no
7089         call-clobbered variables and a mix of pure/const and regular
7090         function calls, create .GLOBAL_VAR.
7091         Mark all call-clobbered variables for renaming.
7092         (merge_pointed_to_info): Update comment.
7093         (add_pointed_to_var): Likewise.
7094         (is_escape_site): Likewise.
7095         Accept struct alias_info * instead of size_t *.
7096         Update all users.
7097         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
7098         as necessary.
7099         * tree-ssa-operands.c (get_call_expr_operands): If
7100         ALIASES_COMPUTED_P is false, do not add call-clobbering
7101         operands.
7102         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
7103         (delete_tree_ssa): Likewise.
7104
7105 2005-02-22  James E Wilson  <wilson@specifixinc.com>
7106
7107         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
7108         (do_compile): Do call it here.
7109
7110 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7111
7112         PR rtl-optimization/20017.
7113         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
7114         rest_of_handle_cse2, rest_of_handle_gcse): Call
7115         delete_dead_jumptables immediately before calling cleanup_cfg.
7116
7117 2005-02-22  Devang Patel  <dpatel@apple.com>
7118
7119         PR 19952
7120         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
7121         all labels
7122
7123 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
7124
7125         * config/rs6000/aix.h (WINT_TYPE): Define.
7126
7127 2005-02-22  Stan Shebs  <shebs@apple.com>
7128
7129         * config/rs6000/rs6000.c (rs6000_override_options): Default to
7130         natural alignment for 64-bit Darwin.
7131         (rs6000_parse_alignment_option): Warn about uses of -malign-power
7132         on 64-bit Darwin.
7133         * doc/invoke.texi: Document this.
7134
7135 2005-02-22  DJ Delorie  <dj@redhat.com>
7136
7137         * c-common.c (c_common_type_for_mode): Pass the mode's precision
7138         to make_[un]signed_type, not the mode itself.
7139
7140 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7141
7142         * cfg.c (cached_make_edge): Call make_edge if edge cache is
7143         not available.  Use tail calls wherever possible.
7144         (make_edge): Call unchecked_make_edge to create an edge.
7145
7146         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
7147         (coalesce_ssa_name): Don't check for
7148         SSANORM_USE_COALESCE_LIST.
7149         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
7150
7151 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7152
7153         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
7154         (rewrite_into_ssa): ... here.
7155
7156 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
7157
7158         PR tree-optimization/19786
7159         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
7160         tag to another's may-alias bitmap when adding to the other's list.
7161
7162 2005-02-21  DJ Delorie  <dj@redhat.com>
7163
7164         * tree-ssa-loop-ivopts.c (computation_cost): Start register
7165         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
7166         registers in unsupported ways.
7167         * expmed.c (init_expmed): Likewise.
7168
7169 2005-02-21  Stan Cox  <scox@redhat.com>
7170
7171         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
7172
7173 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7174
7175         * tree-cfg.c (fold_cond_expr_cond): New.
7176         (make_edges): Call fold_cond_expr_cond.
7177         (find_taken_edge): Accept nothing but INTEGER_CST.
7178         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
7179         and 1.
7180         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
7181
7182         * flow.c (delete_dead_jumptables): Speed up by scanning insns
7183         that do not belong to any basic block.
7184
7185 2005-02-21  Jeff Law  <law@redhat.com>
7186
7187         * cfganal.c (find_unreachable_blocks): Manually CSE load of
7188         e->dest.
7189
7190 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7191
7192         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
7193         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
7194         Adjust their definitions.
7195         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
7196         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
7197
7198         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
7199         genautomata.c, langhooks.c, langhooks.h, system.h,
7200         config/arm/lib1funcs.asm: Update copyright.
7201
7202 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
7203
7204         * dbxout.c (dbxout_function_end): Emit Lscope label always.
7205
7206 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
7207
7208         PR bootstrap/13770
7209         * doc/install.texi: Document --with-gc.
7210
7211 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
7212
7213         * simplify-rtx.c (simplify_unary_operation): Add a missing
7214         "break" statement.
7215
7216 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7217
7218         PR tree-optimization/18663
7219         * tree-ssa-dom.c (extract_range_from_cond): Return 0
7220         if the type has variable bounds.
7221
7222 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
7223
7224         * gcse.c: Remove an obsolete comment.
7225
7226         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
7227
7228 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
7229
7230         * doc/extend.texi (Function Attributes) <Attribute const>: The
7231         attribute "pure" is below this text, not above.
7232
7233 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7234
7235         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
7236         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
7237         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
7238
7239 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
7240
7241         PR 18785
7242         * langhooks.h (struct lang_hooks): Add to_target_charset.
7243         * langhooks.c (lhd_to_target_charset): New function.
7244         * langhooks-def.h: Declare lhd_to_target_charset.
7245         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
7246         (LANG_HOOKS_INITIALIZER): Update.
7247         * c-common.c (c_common_to_target_charset): New function.
7248         * c-common.h: Declare it.
7249         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
7250         c_common_to_target_charset.
7251
7252         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
7253         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
7254         Delete definitions.
7255         * system.h: Poison them.
7256         * doc/tm.texi: Don't discuss them.
7257         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
7258         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
7259         (pp_c_char): Do not attempt to generate letter escapes for
7260         newline, tab, etc.
7261         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
7262         * config/mips/mips.c (mips_output_ascii): Likewise.
7263
7264 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
7265
7266         PR tree-optimization/19951
7267         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
7268         is abnormal.
7269
7270 2005-02-19  Steven Bosscher  <stevenb@suse.de>
7271
7272         PR middle-end/19698
7273         * function.h (struct function): New field `max_loop_depth'.
7274         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
7275         (flow_loops_find): Reset the max loop depth count before finding loops.
7276         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
7277         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
7278         (calculate_global_regs_live): Make sure the loop will terminate
7279         when the initial sets are not empty.
7280
7281 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
7282
7283         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
7284         object inside.
7285         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
7286
7287 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
7288
7289         PR other/19525
7290         * doc/invoke.texi: Remove documentation of %M spec.
7291         * gcc.c: Likewise.
7292         (init_spec): Remove %M suffix from -lgcc_s.
7293         (do_spec_1): Remove 'M' case.
7294         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
7295         to put shared libraries in the multilib directory.  Remove the
7296         shlib_so_soname substitution variable.  Don't add a multilib encoding
7297         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
7298         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
7299         SHLIB_INSTALL as well as SHLIB_LINK.
7300         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
7301         (SHLIB_NAME): Delete.
7302         (SHLIB_DIR): New macro.
7303         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
7304         (SHLIB_INSTALL): Adjust accordingly.
7305         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
7306         * config/t-slibgcc-sld: Likewise.
7307         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
7308         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
7309         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
7310         in $(SHLIB_DIR).
7311         (SHLIBUNWIND_INSTALL): Adjust accordingly.
7312         * config/i386/t-nwld (SHLIB_SONAME): Delete.
7313         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
7314         Use @shlib_base_name@ instead of @shlib_so_name@.
7315         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
7316         and @shlib_base_name@.so in @multilib_dir@.
7317         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
7318         to the install path.
7319         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
7320         (SHLIB_LINK): Remove previous workaround.
7321         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
7322         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
7323         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
7324         the install path.
7325         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
7326         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
7327         (SHLIB_INSTALL): Adjust accordingly.
7328         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
7329         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
7330         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
7331         config/t-slibgcc-elf-ver.
7332
7333 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
7334             Jakub Jelinek  <jakub@redhat.com>
7335
7336         PR tree-optimization/19828
7337         * tree-ssa-loop-im.c: Add a TODO comment.
7338         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
7339         without side-effects.
7340
7341 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7342
7343         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
7344         call fold_convert.
7345
7346 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
7347
7348         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
7349         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
7350         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
7351         functions.
7352         (ia64_reorg): Delete fixup_errata call.
7353         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
7354         (TARGET_SWITCHES): Delete -mb-step entry.
7355
7356 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
7357
7358         PR c/20043
7359         * c-typeck.c (composite_type): Handle quals in transparent unions.
7360         (type_lists_compatible_p): Likewise.
7361
7362 2005-02-18  Stan Shebs  <shebs@apple.com>
7363
7364         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
7365         expressions in the .literal8 section.
7366
7367 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
7368
7369         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
7370
7371 2005-02-18  Roger Sayle  <roger@eyesopen.com>
7372
7373         * fold-const.c (constant_boolean_node): Always create values of the
7374         specified type, don't bother calling truthvalue_conversion.
7375
7376 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7377
7378         * except.c (output_function_exception_table): Call
7379         assemble_external_libcall (eh_personality_libfunc).
7380
7381 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7382
7383         PR target/19886
7384         * config/ia64/ia64.h (struct machine_function): Add state_num.
7385         * config/ia64/ia64.c (process_epilogue,
7386         process_for_unwind_directive): Use new unwind state numbers each
7387         time rather than state 1.
7388
7389 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
7390
7391         PR target/20054
7392         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
7393         before the "*llgt_didi" pattern.
7394
7395 2005-02-18  Jason Merrill  <jason@redhat.com>
7396
7397         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
7398
7399 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
7400
7401         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
7402         (div0): Use it in place of ARM_FUNC_ALIAS.
7403         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
7404
7405 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
7406
7407         PR middle-end/20030
7408         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
7409         access, the lower bound of the array type if it exists.
7410
7411 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
7412
7413         PR c++/20008
7414         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
7415         cases that are out-of-range for the index type.
7416
7417 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7418
7419         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
7420         (estimate_case_costs): Don't call convert.
7421         * expmed.c (expand_shift): Likewise.
7422         (make_tree): Call fold_convert instead of convert.
7423
7424 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7425
7426         PR c++/19813
7427         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
7428         that ref to be marked MEM_READONLY_P doesn't have base that needs
7429         constructing.
7430
7431 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7432
7433         * genautomata.c (output_get_cpu_unit_code_func,
7434         output_cpu_unit_reservation_p): Don't generate old-style function
7435         definitions.
7436
7437 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7438
7439         PR c++/20023
7440         PR tree-optimization/20009
7441         * convert.c (convert_to_integer): Revert 2005-02-16 change.
7442
7443         PR tree-optimization/18947
7444         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
7445         inline, remove all nodes that are inlined into the extern inline
7446         being redefined.
7447
7448 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
7449
7450         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
7451         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
7452         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
7453         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
7454         Update copyright.
7455
7456 2005-02-17  Roger Sayle  <roger@eyesopen.com>
7457
7458         PR tree-optimization/19917
7459         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
7460         to be potentially trapping.
7461
7462 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
7463
7464         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
7465
7466 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7467
7468         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
7469         tem becomes a local variable which is set to the value of the
7470         back end defined INITIAL_FRAME_ADDRESS macro.
7471         (expand_builtin_frame_address): Omit the base parameter to
7472         expand_builtin_return_addr.
7473         (expand_builtin_profile_func): Likewise.
7474         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
7475         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
7476         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
7477
7478 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
7479
7480         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
7481         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
7482         * config/frv/frv.c (frv_function_epilogue): Likewise.
7483
7484 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
7485
7486         * lambda-code (perfect_nestify): Remove mark/unmark
7487         for rewriting hack.
7488         * tree-loop-linear.c (linear_transform_loops): Add
7489         rewrite_into_ssa call so that ssa is correct for
7490         rewriting into loop closed.
7491
7492 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
7493
7494         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
7495         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
7496         BITMAP_FREE.
7497         * bt-load.c (btr_def_live_range, combine_btr_defs,
7498         migrate_btr_def, migrate_btr_defs): Likewise.
7499         * cfgcleanup.c (thread_jump): Likewise.
7500         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
7501         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
7502         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
7503         df_rd_local_compute, df_reg_info_compute): Likewise.
7504         * dominance.c (init_dom_info, free_dom_info): Likewise.
7505         * flow.c (init_propagate_block_info,
7506         free_propagate_block_info): Likewise.
7507         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
7508         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
7509         modify_reg_pav): Likewise.
7510         * loop-invariant.c (find_defs, find_invariant_insn,
7511         find_invariants, free_inv_motion_data): Likewise.
7512         * predict.c (tree_predict_by_opcode,
7513         estimate_bb_frequencies): Likewise.
7514         * stmt.c (expand_case): Likewise.
7515         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
7516         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
7517         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
7518         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
7519         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
7520         rewrite_ssa_into_ssa): Likewise.
7521         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7522         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
7523         analyze_edges_for_bb, perform_edge_inserts): Likewise.
7524         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
7525         * tree-sra.c (tree_sra): Likewise.
7526         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
7527         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
7528         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
7529         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
7530         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
7531         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
7532         Likewise.
7533         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
7534         calculate_live_on_entry, calculate_live_on_exit,
7535         build_tree_conflict_graph): Likewise.
7536         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
7537         record_important_candidates, set_use_iv_cost, find_depends,
7538         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
7539         tree_ssa_iv_optimize_finalize): Likewise.
7540         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
7541         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
7542         tree_duplicate_loop_to_header_edge): Likewise.
7543         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
7544         * tree-ssa.c (verify_flow_insensitive_alias_info,
7545         verify_name_tags, verify_ssa, init_tree_ssa,
7546         delete_tree_ssa): Likewise.
7547         * tree-ssanames.c (marked_ssa_names, init_ssanames,
7548         fini_ssanames): Likewise.
7549         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
7550
7551 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
7552
7553         * config/rs6000/t-rtems: Completely reworked.
7554
7555 2005-02-17  Ira Rosen  <irar@il.ibm.com>
7556
7557         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
7558
7559 2005-02-17  Ira Rosen  <irar@il.ibm.com>
7560
7561         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
7562         POINTER_TYPE_P when checking that type is a pointer.
7563         (vect_get_memtag): Remove.
7564         (vect_address_analysis): Use POINTER_TYPE_P. Call
7565         vect_object_analysis with dummy parameter for memtag.
7566         (vect_object_analysis): Extract memtag (functionality that
7567         used to be in vect_get_memtag and moved here). Fix printings.
7568         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
7569         with correct parameters. Remove call to vect_get_memtag.
7570
7571 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
7572
7573         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
7574         (tree-vectorizer.o): Added missing dependencies.
7575
7576         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
7577         decleration.
7578         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
7579         declaration in tree-vectorizer.c, now has an extern declaration in
7580         tree-vectorizer.h).
7581         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7582         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
7583         get_vectype_for_scalar_type, vect_is_simple_use,
7584         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
7585         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
7586         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
7587         vectorizable_store, vectorizable_operation, vectorizable_assignment,
7588         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
7589         find_loop_location): Likewise.
7590
7591         * tree-vectorizer.c (langhooks.h): #include removed.
7592         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
7593         moved to tree-vectorized.h.
7594         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7595         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
7596         get_vectype_for_scalar_type, vect_is_simple_use,
7597         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
7598         vect_supportable_dr_alignment, new_loop_vec_info,
7599         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
7600         vect_set_verbosity_level, find_loop_location): Likewise.
7601
7602         (vect_analyze_loop): Function externalized. Declaration moved to
7603         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
7604         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
7605         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
7606         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
7607         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
7608         vect_enhance_data_refs_alignment, vect_analyze_operations,
7609         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
7610         vect_stmt_relevant_p, vect_get_loop_niters,
7611         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
7612         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
7613         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
7614         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
7615         vect_get_memtag): Likewise.
7616
7617         (vectorizable_load): Function externalized. Declaration moved to
7618         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
7619         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
7620         vect_transform_loop): Likewise.
7621         (vect_transform_stmt): Moved to tree-vect-transform.c.
7622         (vect_align_data_ref, vect_create_destination_var,
7623         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
7624         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
7625         vect_get_vec_def_for_operand, vect_init_vector,
7626         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
7627         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
7628         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
7629         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
7630         vect_do_peeling_for_loop_bound): Likewise.
7631
7632         * tree-vect-analyze.c: New file.
7633         * tree-vect-transform.c: New file.
7634
7635 2005-02-17  Jason Merrill  <jason@redhat.com>
7636
7637         PR mudflap/19319, c++/19317
7638         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
7639         slot explicit.
7640
7641 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
7642
7643         * doc/install.texi (Specific): Update link for Darwin-specific
7644         tool binary site.
7645
7646 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
7647
7648         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
7649         constant_boolean_node.
7650
7651 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
7652
7653         PR target/19019
7654         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
7655         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
7656
7657 2005-02-16  Richard Henderson  <rth@redhat.com>
7658
7659         PR 19920
7660         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
7661         with W_TYPE_SIZE.
7662         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
7663         replace uses with Wtype_MAXp1_F.
7664         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
7665         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
7666         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
7667         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
7668         and HAVE_TFMODE as appropriate.
7669         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
7670         (__floatdisf): Likewise.
7671         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
7672         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
7673         (Wtype_MAXp1_F): New.
7674         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
7675         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
7676
7677 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
7678
7679         * PR target/19162
7680         * arm.c (arm_apply_result_size): New function.
7681         * arm.h (APPLY_RESULT_SIZE): Define.
7682         * arm-protos.h (arm_apply_result_size): Add prototype.
7683         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
7684         (movxf): New expand.
7685         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
7686         (call_value_symbol): Remove predicate for operand 0.
7687         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
7688         (untyped_call): Rework to correclty return values for any type.
7689         (untyped_return): New expand.
7690         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
7691
7692 2005-02-16  Stan Shebs  <shebs@apple.com>
7693
7694         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
7695         * config/rs6000/t-darwin8: New, for 64-bit multilib.
7696
7697 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
7698
7699         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
7700         configure settings on Solaris 7 and later.
7701
7702 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
7703
7704         PR tree-optimization/19865
7705         * tree-optimize.c (init_tree_optimization_passes): Run
7706         pass_may_alias after pass_sra.
7707
7708 2005-02-16  Richard Henderson  <rth@redhat.com>
7709             Stuart Hastings  <stuart@apple.com>
7710
7711         PR debug/19521
7712         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
7713         Do nothing if debug info suppressed for this function.
7714         (dbxout_begin_function): Early exit if debug info suppressed for
7715         this function.
7716
7717 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
7718
7719         PR target/20007
7720         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
7721         find_basic_blocks.
7722         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
7723
7724         PR tree-optimization/19967
7725         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
7726         expand_builtin_strchr, expand_builtin_strrchr): Take a new
7727         argument TYPE.  Adjust calls to fold_builtin_XXX.
7728         (expand_builtin, fold_builtin_1): Adjust calls to
7729         expand_builtin_XXX.
7730         (fold_builtin_strchr, fold_builtin_strpbrk,
7731         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
7732         result to a requested type TYPE.
7733
7734 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
7735
7736         PR middle-end/19857
7737         * fold-const.c (fold): Don't optimize (T)(x & cst) to
7738         (T)x & (T)cst if (T)cst overflows.
7739         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
7740         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
7741
7742 2005-02-15  Jeff Law  <law@redhat.com>
7743
7744         * gcse.c (blocks_with_calls): New bitmap.
7745         (alloc_gcse_mem): Allocate it.
7746         (free_gcse_mem): Free it.
7747         (clear_modifY_mem_tables): Clear it.
7748         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
7749         when we encounter CALL_INSNs.
7750         (compute_transp, case MEM): Handle blocks with calls separate
7751         from blocks without calls.  Use bitmap iterators rather than
7752         FOR_EACH_BB.
7753
7754 2005-02-15  Peter O'Gorman  <peter@pogma.com>
7755
7756         PR bootstrap/18810
7757         * mklibgcc.in (vis_hide): Use a temporary object file, not
7758         -o /dev/null.
7759
7760 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
7761
7762         PR target/19924
7763         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
7764         access optimization.
7765
7766 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
7767             Alan Modra  <amodra@bigpond.net.au>
7768
7769         PR target/19019
7770         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
7771         (_xlqsub): Rename to __gcc_qsub.
7772         (_xlqmul): Rename to __gcc_qmul.
7773         (_xlqdiv): Rename to __gcc_qdiv.
7774         Provide versioned symbol aliases with old names.
7775         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
7776         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
7777         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
7778         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
7779         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
7780
7781 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
7782
7783         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
7784         Fold ~(A - 1) and ~(A + -1) to -A.
7785
7786 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
7787
7788         PR pch/14940
7789         PR target/19300
7790         * config/host-linux.c (linux_gt_pch_use_address): Copy from
7791         config/pa/pa-host.c:pa_gt_pch_use_address.
7792
7793 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
7794
7795         * tree-vn.c (get_value_handle): Make sure that given an
7796         is_gimple_min_invariant expression, we always return it.
7797
7798 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
7799
7800         * passes.c (rest_of_handle_gcse): Fix a comment.
7801
7802 2005-02-15  Jeff Law  <law@redhat.com>
7803
7804         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
7805         bitmap.
7806         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
7807         (canon_list_insert, record_last_mem_set_info): Similarly.
7808         (clear_modify_mem_tables): Similarly.
7809
7810 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
7811
7812         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
7813         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
7814         config/mips/mips.md, config/rs6000/aix.h,
7815         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
7816
7817 2005-02-15  Richard Henderson  <rth@redhat.com>
7818
7819         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
7820         call to be best_edge.
7821
7822 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
7823
7824         * basic-block.h: Adjust the prototype for find_basic_blocks.
7825         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
7826         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
7827         find_basic_blocks.
7828
7829         * flow.c (recompute_reg_usage): Remove all arguments.
7830         * passes.c (rest_of_compilation): Adjust the call to
7831         recompute_reg_usage.
7832         * rtl.h: Adjust the prototype for recompute_reg_usage.
7833
7834 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
7835
7836         * tree-dump.c (dump_files): Update to reflect new member
7837         of dump_file_info.
7838         (dump_register): Add new argument.
7839         Set glob name.
7840         (dump_switch_p_1): Check against glob name if doglob was passed.
7841         (dump_switch_p): Check against regular first, then glob if
7842         we didn't have any hits on the dump name.
7843         * tree-optimize.c (register_one_dump_file):
7844         Pass in glob name as well.
7845         * tree-pass.h (struct dump_file_info): Add glob
7846         member.
7847
7848 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
7849
7850         PR preprocessor/16323
7851         * doc/invoke.texi: Document that -Wendif-labels is on by default.
7852
7853 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
7854
7855         PR target/19019
7856         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
7857         (trunctfdf2_internal1): New.
7858         (trunctfdf2_internal2): Renamed from trunctfdf2.
7859
7860 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
7861
7862         PR tree-optimization/19853
7863         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
7864
7865 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
7866
7867         * passes.c (rest_of_handle_loop_optimize): Remove calls to
7868         delete_dead_jumptables and cleanup_cfg.
7869
7870 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
7871
7872         * reload.c (find_reloads): Swap address_reloaded flags when
7873         swapping commutative operands.
7874
7875 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
7876
7877         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
7878         Use standard_iv_increment_position for computing the bsi position
7879         for create_iv.
7880         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
7881         the bsi position.
7882
7883 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
7884
7885         PR target/17428
7886         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
7887         life range of hard registers.
7888         * value-prof.c (insn_prefetch_values_to_profile): Only
7889         scan normal insns.
7890
7891         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
7892         profile in libcalls.
7893
7894 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
7895
7896         * bitmap.h (bitmap_and_compl_into): Return bool.
7897         * bitmap.c (bitmap_and_compl_into): Return changed flag.
7898
7899 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
7900
7901         PR tree-optimization/19944
7902         * fold-const.c (fold): Re-add ABS_EXPR folding.
7903
7904 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
7905
7906         PR target/19019
7907         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
7908         {TARGET,MASK}_XL_COMPAT.
7909         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
7910         MASK_XL_COMPAT.
7911         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
7912         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
7913         TARGET_XL_COMPAT.
7914         (rs6000_arg_partial_bytes): Same.
7915         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
7916         and XL compatibility enabled.
7917         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
7918         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
7919         test to final condition.
7920         (cmptf_internal2): New.
7921         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
7922         xl-compat.  Add TFmode information to description.
7923
7924 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
7925
7926         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
7927
7928 2005-02-13  Jason Merrill  <jason@redhat.com>
7929
7930         PR c++/16405
7931         * fold-const.c (fold_indirect_ref_1): Split out from...
7932         (build_fold_indirect_ref): Here.
7933         (fold_indirect_ref): New fn.
7934         * tree.h: Declare it.
7935         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
7936         (gimplify_modify_expr_rhs): Likewise.
7937         (gimplify_expr): Likewise.
7938
7939 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
7940
7941         PR tree-optimization/14303
7942         PR tree-optimization/15784
7943         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
7944         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
7945         ABS_EXPR<x> != 0 to x != 0.
7946
7947 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
7948
7949         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
7950         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
7951         spelling conventions.
7952
7953         * passes.c (rest_of_handle_gcse): Don't run cse_main and
7954         delete_trivially_dead_insns too many times.
7955
7956         * passes.c (rest_of_handle_gcse): Remove dead assignments to
7957         tem and tem2.
7958
7959 2005-02-12  Ira Rosen  <irar@il.ibm.com>
7960
7961         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
7962         (vect_is_simple_iv_evolution): Remove redundant parameter
7963         and step check.
7964         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
7965         without last parameter.
7966         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
7967         Return pointer step. Call vect_is_simple_iv_evolution without
7968         last parameter. Check only that the step is multiple of size
7969         type. Remove stmt_vinfo updates.
7970         (vect_get_memtag_and_dr): Remove.
7971         (vect_get_memtag): New function.
7972         (vect_address_analysis): New function.
7973         (vect_object_analysis): New function.
7974         (vect_analyze_data_refs): Call vect_object_analysis and
7975         vect_get_memtag. Update stmt_vinfo fields.
7976
7977 2005-02-12  Ira Rosen  <irar@il.ibm.com>
7978
7979         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
7980         exist and are objects. Remove checks for pointer.
7981         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
7982         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
7983         (vect_create_data_ref_ptr): Likewise.
7984         (vect_base_addr_differ_p): New function.
7985         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
7986         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
7987         Don't set the DR_BASE_NAME field of data-ref.
7988         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
7989
7990 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
7991
7992         * optabs.h (enum optab_index): Add new OTI_ldexp.
7993         (ldexp_optab): Define corresponding macro.
7994         * optabs.c (init_optabs): Initialize ldexp_optab.
7995         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
7996         patterns.
7997         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
7998         using ldexp_optab.
7999         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
8000         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
8001
8002         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
8003         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
8004         intrinsics.
8005
8006 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8007
8008         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
8009         to base_address.
8010         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
8011         stmt_vec_info.
8012         (vect_get_base_and_offset): Always return an address.
8013         (vect_create_addr_base_for_vector_ref): Remove treatment for
8014         different data reference types.
8015         (vect_compute_data_ref_alignment): Rename base to base_address in
8016         stmt_vec_info. Get the object in order to force its alignment.
8017         (vect_get_memtag_and_dr): Rename base to base_address in
8018         stmt_vec_info. Extract the object for memtag analysis.
8019
8020 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
8021
8022         PR regression/19898.
8023         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
8024         changes cc_status, use apply modified_in_p to part of cc_status
8025         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
8026         body.
8027
8028 2005-02-11  Richard Henderson  <rth@redhat.com>
8029
8030         * tree-complex.c (expand_complex_libcall): New.
8031         (expand_complex_multiplication): Use it for c99 compliance.
8032         (expand_complex_division): Likewise.
8033         * fold-const.c (fold_complex_add, fold_complex_mult): New.
8034         (fold): Call them.
8035         * builtins.c (built_in_names): Remove const.
8036         * tree.c (build_common_builtin_nodes): Build complex arithmetic
8037         builtins.
8038         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
8039         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
8040         (built_in_names): Remove const.
8041         * c-common.c (c_common_type_for_mode): Handle complex modes.
8042         * flags.h, toplev.c (flag_complex_method): Rename from
8043         flag_complex_divide_method.
8044         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
8045         __mulsc3, __muldc3, __mulxc3, __multc3): New.
8046         * libgcc2.h: Declare them.
8047         * libgcc-std.ver: Export them.
8048         * mklibgcc.in (lib2funcs): Build them.
8049
8050 2005-02-11  Steven Bosscher  <stevenb@suse.de>
8051
8052         PR tree-optimization/19876
8053         Partially revert my change from 2005-01-14
8054         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
8055         (compute_antic): ...and remove the loop here.
8056
8057 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
8058
8059         PR middle-end/19858
8060         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
8061         is number of inner's bits, avoid creating a BIT_FIELD_REF.
8062
8063         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
8064         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
8065
8066 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
8067
8068         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
8069         offsets for the big-endian 32-bit case.
8070
8071 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
8072
8073         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
8074
8075 2005-02-11  Dale Johannesen  <dalej@apple.com>
8076
8077         * cselib.c (cselib_process_insn):  Clear out regs where
8078         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
8079         * reload.c (find_equiv_reg): Ditto.
8080
8081 2005-02-11  Ian Lance Taylor  <ian@airs.com>
8082
8083         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
8084         with no elements.
8085
8086         * tree.c (build_function_type_list): Work correctly if there are
8087         no arguments.
8088
8089 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
8090
8091         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
8092         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
8093         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
8094         TARGET_ZARCH instead of TARGET_64BIT.
8095
8096 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
8097
8098         * config/rs6000/t-rtems:
8099         (MULTILIB_OPTIONS): Remove mcpu=602.
8100         (MUTLILIB_DIRNAMES): Remove m602.
8101         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
8102         Let mcpu=602 match mcpu=603.
8103         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
8104
8105 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8106
8107         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
8108         signal trampolines.
8109
8110 2005-02-10  David Daney  <ddaney@avtrex.com>
8111
8112         * config/alpha/linux-unwind.h: Add exception clause to copyright.
8113         * config/i386/linux-unwind.h: Likewise.
8114         * config/ia64/linux-unwind.h: Likewise.
8115         * config/mips/linux-unwind.h: Likewise.
8116         * config/pa/linux-unwind.h: Likewise.
8117         * config/rs6000/linux-unwind.h: Likewise.
8118         * config/s390/linux-unwind.h: Likewise.
8119         * config/sh/linux-unwind.h: Likewise.
8120         * config/sparc/linux-unwind.h: Likewise.
8121
8122 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8123
8124         PR tree-optimization/17549
8125         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
8126         TER to replace a DEF with its expression if the DEF and the
8127         rhs of the expression we replace into have the same root
8128         variable.
8129
8130 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
8131
8132         * config/mips/mips.md: Fix the placement of the match_scratch in the
8133         lea64 peephole2.
8134
8135 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8136
8137         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
8138         Fix comment typos.
8139
8140 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
8141
8142         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
8143         (strip_offset): Handle addresses.
8144         (add_address_candidates): Use strip_offset.
8145         (difference_cost): Reflect strip_offset change.
8146         (force_var_cost, difference_cost): Strip nops.
8147
8148 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8149
8150         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
8151
8152         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
8153         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
8154         config/cris/cris-protos.h, config/cris/cris.c: Update
8155         copyright.
8156
8157 2005-02-10  Jeff Law  <law@redhat.com>
8158
8159         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
8160         (lookup_avail_expr): Similarly.
8161
8162 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
8163
8164         * builtins.c (fold_builtin_powi): New function.
8165         (fold_builtin_1): Call it.
8166
8167 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8168
8169         PR documentation/19309
8170         * doc/cpp.texi: The __GNUC__ and related predefined macros
8171         are also defined for the "standalone" cpp.
8172         Some non-GCC compilers may also define __GNUC__.
8173
8174 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
8175
8176         PR c/19342
8177         * c-typeck.c (common_type): New routine.  Old common_type renamed
8178         to...
8179         (c_common_type): ...this.
8180         (build_conditional_expr, build_binary_op): Use c_common_type instead
8181         of common_type.
8182
8183 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8184
8185         * doc/md.texi: Replace @samp{length} with @code{length}.
8186
8187 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8188
8189         PR tree-optimization/18687
8190         * tree-flow.h (find_loop_niter): Declare.
8191         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
8192         Try using scev even for loops with more than one exit.
8193         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
8194         (struct ivopts_data): Added niters field.
8195         (struct nfe_cache_elt): New.
8196         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
8197         functions.
8198         (tree_ssa_iv_optimize_init): Initialize niters cache.
8199         (determine_number_of_iterations): Removed.
8200         (find_induction_variables): Do not call determine_number_of_iterations.
8201         Access niters for single exit through niter_for_single_dom_exit.
8202         (add_iv_outer_candidates): Access niters for single exit through
8203         niter_for_single_dom_exit.
8204         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
8205         number_of_iterations_cond.
8206         (iv_period): New function.
8207         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
8208         (may_replace_final_value): Take data argument.  Use
8209         niter_for_single_dom_exit.
8210         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
8211         (rewrite_use_compare): Pass data to may_eliminate_iv.
8212         (rewrite_use_outer): Pass data to may_replace_final_value.
8213         (free_loop_data): Clean up the niters cache.
8214         (tree_ssa_iv_optimize_finalize): Free the niters cache.
8215         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
8216         * tree-ssa-loop-niter.c (find_loop_niter): New function.
8217         (find_loop_niter_by_eval): Use tree_int_cst_lt.
8218         (num_ending_zeros): Moved to tree.c.
8219         * tree.h (num_ending_zeros): Declare.
8220         * tree.c (num_ending_zeros): Moved from tree.c.
8221
8222 2005-02-09  Richard Henderson  <rth@redhat.com>
8223
8224         * builtins.c (DEF_BUILTIN): Add COND argument.
8225         * tree.h (DEF_BUILTIN): Likewise.
8226         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
8227         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
8228         match.
8229         (DEF_BUILTIN_STUB): New.
8230         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
8231         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
8232         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
8233         * c-common.c (DEF_BUILTIN): Add COND argument.
8234         * tree.c (local_define_builtin): New.
8235         (build_common_builtin_nodes): New.
8236
8237 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8238
8239         * fold-const.c (fold_strip_sign_ops): New function to simplify a
8240         floating point expression ignoring the sign of the result.
8241         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
8242         (fold) <MULT_EXPR>: Use it to simplify x*x.
8243         * tree.h (fold_strip_sign_ops): Prototype here.
8244         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
8245         argument.  Use fold_strip_sign_ops to simplify the first argument.
8246         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
8247         first argument when the second argument is an even integer
8248         constant, but only with -funsafe_math_optimizations.
8249         (fold_builtin_1): Update call to fold_builtin_copysign.
8250
8251 2005-02-09  Ian Lance Taylor  <ian@airs.com>
8252
8253         PR middle-end/19583
8254         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
8255         just check whether EH_FILTER_FAILURE falls through.
8256
8257 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
8258
8259         * gcc/haifa-sched.c (schedule_block): Make queued sched group
8260         insns return to ready list in the next turn.
8261
8262 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8263
8264         PR middle-end/19402
8265         * builtins.def: New __builtin_powi[lf].
8266         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
8267         (expand_builtin_powi): New function.
8268         (expand_builtin): Dispatch to expand_builtin_powi.
8269         * libgcc2.h: Add prototypes for __builtin_powi[lf].
8270         * libgcc2.c: Add __builtin_powi[lf] implementation.
8271         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
8272         * optabs.h: Add powi_optab.
8273         * optabs.c (init_optabs): Initialize powi_optab.
8274         * doc/extend.texi: Document __builtin_powi[lf].
8275
8276 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
8277
8278         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
8279         exists.
8280
8281 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8282
8283         PR middle-end/19854
8284         * fold-const.c (try_move_mult_to_index): Remove redundant
8285         type argument.  Create ADDR_EXPR with correct type.
8286         (fold): Update callers of try_move_mult_to_index.  Convert
8287         result to the appropriate type.
8288
8289 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8290
8291         PR target/19597
8292         * config/avr/avr.c (default_rtx_costs): Delete.
8293         (avr_operand_rtx_cost): New function.
8294         (avr_rtx_costs): Completely rewrite.
8295
8296 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
8297
8298         PR target/19806
8299         * config/cris/cris.c (in_code): New variable.
8300         (cris_output_addr_const): Now a static function, a wrapper for
8301         output_addr_const.
8302         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
8303         case from old cris_output_addr_const.
8304         (cris_asm_output_label_ref): Similar for LABEL_REF.
8305         (cris_output_addr_const_extra): Similar for UNSPEC.
8306         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
8307         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
8308         * config/cris/cris-protos.h (cris_output_addr_const): Remove
8309         declaration.
8310         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
8311         (cris_asm_output_label_ref): Declare.
8312
8313 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
8314
8315         PR preprocessor/19801
8316         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
8317         filenames that changed when libcpp was moved to the toplevel.
8318
8319 2005-02-07  Roger Sayle  <roger@eyesopen.com>
8320
8321         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
8322         zero extensions of BImode operands.  Call lowpart_subreg instead
8323         of gen_lowpart_common and gen_lowpart_SUBREG.
8324
8325 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
8326
8327         PR ada/19489
8328         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
8329         * configure.ac: Set cc_for_cross_gnattools.
8330         * configure: Regenerate.
8331
8332 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
8333
8334         PR target/19803
8335         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
8336
8337 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8338
8339         PR debug/19327
8340         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
8341         of nested functions.
8342
8343 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
8344
8345         * doc/extend.texi: Document deprecated extensions allowing
8346         static floating-point members to have initializers and allowing
8347         floating-point literals in integral constant expressions.
8348
8349 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
8350
8351         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
8352         config/darwin7.h, config/mips/mips.c,
8353         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
8354         Update copyright.
8355
8356         * cse.c: Update comments.
8357
8358 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
8359
8360         PR middle-end/19775
8361         * builtins.c (fold_builtin_sqrt): Transform
8362         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
8363         pow(x,y*0.5).
8364
8365 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
8366             Dorit Naishlos  <dorit@il.ibm.com>
8367
8368         * doc/invoke.texi (ftree-vectorizer-verbose): New.
8369         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
8370         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
8371         was added.
8372         * tree.h (vect_set_verbosity_level): New extern function declaration
8373         added.
8374         * tree-vectorizer.h (verbosity_levels): New enum type.
8375         * tree-vectorizer.c (vect_debug_stats): Function removed.
8376         (vect_debug_details): Likewise.
8377         (vect_verbosity_level): Global variable was defined and initialized.
8378         (vect_dump): Global variable definition.
8379         (vect_print_dump_info): New function.
8380         (vect_set_dump_settings): New function.
8381         (vect_set_verbosity_level): New function.
8382         (vectorize_loops): Add call to vect_set_dump_settings.
8383
8384         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
8385         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8386         (slpeel_tree_peel_loop_to_edge): Likewise.
8387
8388         (vect_analyze_offset_expr): Call to vect_print_dump_info with
8389         appropriate verbosity level instead of call to vect_debug_details
8390         or vect_debug_stats.
8391         (vect_get_base_and_offset):
8392         (vect_create_addr_base_for_vector_ref):
8393         (get_vectype_for_scalar_type):
8394         (vect_create_data_ref_ptr):
8395         (vect_init_vector):
8396         (vect_get_vec_def_for_operand):
8397         (vect_finish_stmt_generation):
8398         (vectorizable_assignment):
8399         (vectorizable_operation):
8400         (vectorizable_store):
8401         (vectorizable_load):
8402         (vect_transform_stmt):
8403         (vect_update_ivs_after_vectorizer):
8404         (vect_do_peeling_for_loop_bound):
8405         (vect_update_inits_of_drs):
8406         (vect_do_peeling_for_alignment):
8407         (vect_transform_loop):
8408         (vect_is_simple_use):
8409         (vect_analyze_operations):
8410         (vect_is_simple_iv_evolution):
8411         (vect_analyze_scalar_cycles):
8412         (vect_analyze_data_ref_dependence):
8413         (vect_analyze_data_ref_dependences):
8414         (vect_compute_data_ref_alignment):
8415         (vect_enhance_data_refs_alignment):
8416         (vect_analyze_data_refs_alignment):
8417         (vect_analyze_data_ref_access):
8418         (vect_analyze_data_ref_accesses):
8419         (vect_analyze_pointer_ref_access):
8420         (vect_get_memtag_and_dr):
8421         (vect_analyze_data_refs):
8422         (vect_mark_relevant):
8423         (vect_stmt_relevant_p):
8424         (vect_mark_stmts_to_be_vectorized):
8425         (vect_can_advance_ivs_p):
8426         (vect_get_loop_niters):
8427         (vect_analyze_loop_form):
8428         (vect_analyze_loop):
8429         (vectorize_loops): Likewise.
8430
8431         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
8432         (vect_update_inits_of_drs):
8433         (vect_do_peeling_for_alignment):
8434         (vect_transform_loop):
8435         (vect_analyze_operations):
8436         (vect_analyze_scalar_cycles):
8437         (vect_analyze_data_ref_dependences):
8438         (vect_analyze_data_refs_alignment):
8439         (vect_analyze_data_ref_accesses):
8440         (vect_analyze_data_refs):
8441         (vect_mark_stmts_to_be_vectorized):
8442         (vect_get_loop_niters):
8443         (vect_analyze_loop_form):
8444         (vect_analyze_loop): Likewise.
8445         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
8446
8447 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
8448
8449         PR bootstrap/19796
8450         Revert:
8451         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
8452         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
8453         either -ffast-math or -funsafe-math-optimizations is in use.
8454
8455         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
8456         * config/mips/irix-csr.c: New file.
8457         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
8458         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
8459         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
8460         executables.
8461
8462 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
8463
8464         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
8465         redundant, incorrect definitions.
8466
8467         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
8468         expand.
8469         ("*tls_indirect_call"): New, reference hard regs directly.
8470         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
8471
8472 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
8473
8474         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
8475         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
8476
8477 2005-02-06  Roger Sayle  <roger@eyesopen.com>
8478
8479         PR rtl-optimization/19800
8480         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
8481         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
8482         gen_lowpart.
8483
8484 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
8485
8486         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
8487
8488 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
8489
8490         PR other/17135
8491         * doc/invoke.texi: Correct documentation of -freorder-functions.
8492
8493 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8494
8495         PR other/14402
8496         * doc/invoke.texi: Don't mention gccbug.
8497
8498 2005-02-06  Roger Sayle  <roger@eyesopen.com>
8499             Andrew Pinski  <pinskia@physics.uc.edu>
8500             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
8501
8502         * simplify-rtx.c (simplify_relational_operation_1): Simplify
8503         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
8504         into just (zero_extract:SI FOO (const_int 1) BAR).
8505
8506 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8507
8508         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
8509         macro locally.  Don't give last revision date.  Use GCC version
8510         number from gcc-common.texi.
8511         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
8512         revision date.  Use GCC version number from gcc-common.texi.
8513         Describe being a library as current state rather than as 3.x
8514         history.
8515         * doc/gcc.texi: Remove last update date.
8516         * doc/gccint.texi: Likewise.  Update copyright dates.
8517         * doc/install.texi: Update copyright dates.
8518
8519 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8520
8521         PR other/7549
8522         * doc/invoke.texi: Mention for each option included in -Wall that
8523         it is included in -Wall.
8524         * doc/gcc.texi: Update copyright and last modification date.
8525
8526 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
8527
8528         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
8529         unnecessary cast to original induction variable increments.
8530
8531 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
8532
8533         PR tree-optimization/18219
8534         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
8535         in distributed form.
8536
8537 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
8538
8539         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
8540         Set bitpos and offset later in the function.  Do nothing if the
8541         target is a register and if the bitfield lies completely outside
8542         that register.
8543         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
8544         here.  Return an uninitialised register if the source value is stored
8545         in a register and the bitfield lies completely outside that register.
8546
8547 2005-02-06  Steven Bosscher  <stevenb@suse.de>
8548
8549         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
8550         not SET_DEST.
8551
8552 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
8553
8554         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
8555
8556 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
8557
8558         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
8559         * config/darwin8.h: New.
8560         * config/darwin7.h: Update comment.
8561
8562 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
8563             Dorit Naishlos  <dorit@il.ibm.com>
8564
8565         * tree-vectorizer.h (LOC): New type.
8566         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
8567         (loop_line_number): New field in struct _loop_vec_info.
8568         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
8569
8570         * tree-vectorizer.c (input.h): Included.
8571         (find_loop_location): New function.
8572         (vect_debug_stats): Argument changed from loop to LOC. Computation of
8573         loop line number removed.
8574         (vect_debug_details): Likewise.
8575         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
8576
8577         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
8578         call to vect_debug_details/stats changed from loop to loop_loc.
8579         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8580         (slpeel_tree_peel_loop_to_edge): Likewise.
8581
8582         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
8583         changed from NULL to UNKNOWN_LOC.
8584         (vect_get_base_and_offset):
8585         (vect_create_addr_base_for_vector_ref):
8586         (get_vectype_for_scalar_type):
8587         (vect_create_data_ref_ptr):
8588         (vect_init_vector):
8589         (vect_get_vec_def_for_operand):
8590         (vect_finish_stmt_generation):
8591         (vectorizable_assignment):
8592         (vectorizable_operation):
8593         (vectorizable_store):
8594         (vectorizable_load):
8595         (vect_transform_stmt):
8596         (vect_update_ivs_after_vectorizer):
8597         (vect_do_peeling_for_loop_bound):
8598         (vect_do_peeling_for_alignment):
8599         (vect_transform_loop):
8600         (vect_is_simple_use):
8601         (vect_analyze_operations):
8602         (vect_is_simple_iv_evolution):
8603         (vect_analyze_scalar_cycles):
8604         (vect_analyze_data_ref_dependences):
8605         (vect_compute_data_ref_alignment):
8606         (vect_enhance_data_refs_alignment):
8607         (vect_analyze_data_ref_access):
8608         (vect_analyze_data_ref_accesses):
8609         (vect_analyze_pointer_ref_access):
8610         (vect_get_memtag_and_dr):
8611         (vect_analyze_data_refs):
8612         (vect_mark_relevant):
8613         (vect_stmt_relevant_p):
8614         (vect_mark_stmts_to_be_vectorized):
8615         (vect_can_advance_ivs_p):
8616         (vect_get_loop_niters):
8617         (vect_analyze_loop):
8618         (vectorize_loops): Likewise.
8619
8620         (vectorizable_load): Argument in call to vect_debug_details/stats
8621         changed from loop to LOOP_LOC (loop_vinfo).
8622         (vect_transform_loop):
8623         (vect_analyze_operations):
8624         (vect_analyze_scalar_cycles):
8625         (vect_analyze_data_ref_dependence):
8626         (vect_enhance_data_refs_alignment):
8627         (vect_analyze_data_ref_accesses):
8628         (vect_analyze_pointer_ref_access):
8629         (vect_analyze_data_refs):
8630         (vect_analyze_loop): Likewise.
8631
8632         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
8633         changed from loop to loop_loc.
8634
8635         (vect_enhance_data_refs_alignment): Removed unused variable loop.
8636
8637 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
8638             Dorit Naishlos  <dorit@il.ibm.com>
8639
8640         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
8641         declaration added.
8642         (vect_analyze_data_ref_dependences): Likewise.
8643
8644         (vect_is_simple_use): Argument changed from loop structure to
8645         loop_vect_info structure.
8646         (vect_can_advance_ivs_p): Likewise.
8647         (vect_create_index_for_vector_ref): Likewise.
8648         (vect_update_ivs_after_vectorizer): Likewise.
8649         (new_stmt_vec_info): Likewise.
8650
8651         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
8652         changed from loop to loop_vinfo.
8653         (vect_create_data_ref_ptr): First argument in call to
8654         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
8655         (vectorizable_assignment): Second argument in call to vect_is_simple_use
8656         was changed from loop to loop_vinfo.
8657         (vectorizable_operation): Likewise.
8658         (vectorizable_store): Likewise.
8659         (vect_mark_stmts_to_be_vectorized): Likewise.
8660         (vect_do_peeling_for_loop_bound): First argument in call to
8661         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
8662         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
8663         was changed from loop to loop_vinfo.
8664         (vect_analyze_data_ref_dependences): Third argument in call to
8665         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
8666
8667         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
8668         (vect_create_data_ref_ptr): Likewise.
8669         (vect_init_vector): Likewise.
8670         (vect_get_vec_def_for_operand): Likewise.
8671         (vectorizable_assignment): Likewise.
8672         (vectorizable_operation): Likewise.
8673         (vectorizable_store): Likewise.
8674         (vectorizable_load): Likewise.
8675         (vect_update_ivs_after_vectorizer): Likewise.
8676         (vect_is_simple_use): Likewise.
8677         (vect_analyze_data_ref_dependence): Likewise.
8678         (vect_analyze_pointer_ref_access): Likewise.
8679         (vect_can_advance_ivs_p): Likewise.
8680
8681         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
8682         before _stmt_vec_info.
8683         (_stmt_vec_info): Loop field replaced by loop_vec_info.
8684         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
8685         (new_stmt_vec_info): Argument changed from loop structure to
8686         loop_vect_info structure
8687
8688         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
8689         (vect_analyze_offset_expr): Avoid 80 columns overflow.
8690         (vect_create_addr_base_for_vector_ref): Likewise.
8691         (vect_analyze_pointer_ref_access): Likewise.
8692
8693 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
8694
8695         PR tree-opt/19768
8696         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
8697         phi flag if the phi is abnormal.
8698
8699 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
8700
8701         PR tree-opt/19736
8702         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
8703         information for the new statement.
8704
8705 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
8706
8707         PR driver/19117
8708         * gcc.c (main): Include the target in -v output.
8709
8710 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
8711
8712         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
8713         Do not drop the extend if we'd have to add a paradoxical subreg
8714         later.  Include optabs.h and insn-codes.h.
8715         * Makefile.in (combine.o): Depend on $(OPTABS_H).
8716
8717 2005-02-02  Roger Sayle  <roger@eyesopen.com>
8718
8719         PR middle-end/19405
8720         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
8721         * fold-const.c (const_binop): Avoid constant folding floating
8722         point operations in modes that use composite representations.
8723         * simplify-rtx.c (simplify_binary_operation): Likewise.
8724
8725 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
8726
8727         * config/rs6000/altivec.md (altivec_dst): Make the first operand
8728         a REG, not a MEM.
8729         (altivec_dstt): Likewise.
8730         (altivec_dstst): Likewise.
8731         (altivec_dststt): Likewise.
8732         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
8733         of first operand.
8734
8735 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
8736
8737         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
8738         EXPR_LOCUS from orig_cond to the new cond_stmt.
8739         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
8740         the new vec_stmt.
8741
8742 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
8743
8744         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
8745         standard_iv_increment_position. Remove call to bsi_next
8746         (no need to bump the iterator anymore).
8747         (vect_create_index_for_vector_ref): Call
8748         standard_iv_increment_position. Remove second function argument.
8749         (vect_finish_stmt_generation): Remove call to bsi_next
8750         (no need to bump the iterator anymore).
8751         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
8752         to vect_create_index_for_vector_ref.
8753
8754 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
8755
8756         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
8757         phis are used out of the loop.
8758
8759 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
8760
8761         PR c/17807
8762         * c-decl.c (undef_nested_function): New variable.
8763         (pop_scope): Diagnose undefined nested functions.
8764         (finish_function): Don't attempt cgraph processing or genericizing
8765         if current top-level function contained an undefined nested
8766         function.  Reset undef_nested_function at the end of a top-level
8767         function.
8768
8769 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
8770
8771         * tree.c (build_int_cst_type): Take sign of the value into account
8772         when deciding whether sign extend the value.
8773
8774 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
8775
8776         PR c/18502
8777         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
8778         (cpp_options, cc1_options): Change %{std*&ansi} to
8779         %{std*&ansi&trigraphs}.
8780
8781 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
8782
8783         * cse.c: Update comments.
8784
8785 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
8786
8787         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
8788         arguments go on the stack.  Do not put complex doubles in odd/even
8789         pairs.
8790
8791 2005-02-02  Steven Bosscher  <stevenb@suse.de>
8792
8793         * doc/invoke.texi: Update the options enabled at -O1, -O2,
8794         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
8795         -ftree-pre, and -fthread-jumps.
8796
8797 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
8798
8799         PR tree-optimization/19578
8800         * tree-flow.h (modified_noreturn_calls): Declare.
8801         (noreturn_call_p): Declare.
8802         * tree-flow-inline.h (noreturn_call_p): New function.
8803         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
8804         * tree-cfg.c (modified_noreturn_calls): New variable.
8805         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
8806         that contain a mid-block noreturn call.
8807         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
8808
8809 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
8810
8811         * df.c (df_def_record_1, df_uses_record): Don't use
8812         DF_FOR_REGALLOC.
8813         * df.h (DF_FOR_REGALLOC): Remove.
8814
8815 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
8816
8817         PR c/19435
8818         * c-typeck.c (really_start_incremental_init): Reset
8819         constructor_max_index for arrays of incomplete type.
8820
8821 2005-02-02  Jeff Law  <law@redhat.com>
8822
8823         * gcse.c (struct reg_set): Store the block index where the register
8824         was set rather than the setting insn.
8825         (record_one_set, compute_transp): Corresponding changes.
8826         (pre_insert_copy_insn): Do not call replace_one_set.
8827         (replace_one_set): Remove.
8828
8829 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
8830
8831         PR other/15514
8832         * doc/gcov.texi: Fix typo.
8833
8834 2005-02-01  Richard Henderson  <rth@redhat.com
8835
8836         PR target/19680
8837         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
8838         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
8839         type to bool.
8840         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
8841         * config/i386/i386-protos.h: Update.
8842
8843 2005-02-01  Steven Bosscher  <stevenb@suse.de>
8844
8845         PR tree-optimization/19217
8846         * tree-cfg.c (verify_expr): Use the data field to see if TP was
8847         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
8848         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
8849         that it is walking a PHI node.
8850
8851 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
8852
8853         * doc/extend.texi (Nested Functions): Update.
8854
8855 2005-02-01  Richard Henderson  <rth@redhat.com>
8856
8857         PR 19696
8858         * optabs.c (expand_copysign_absneg): Export.
8859         * optabs.h (expand_copysign_absneg): Declare.
8860         * config/rs6000/rs6000.md (copysigntf3): New.
8861
8862 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
8863
8864         PR tree-optimization/19633
8865         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
8866         * tree-ssa-alias.c (init_alias_info): Initialize.
8867         (merge_pointed_to_info): Set.
8868         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
8869         (dump_points_to_info_for): Show value of pt_null.
8870         (struct count_ptr_d): Declare.
8871         (find_ptr_dereference): Remove.
8872         (ptr_is_dereferenced_by): Remove.
8873         (count_ptr_derefs): New local function.
8874         (count_uses_and_derefs): New local function.
8875         (compute_points_to_and_addr_escape): Call it.  If the number
8876         of dereferences is greater than zero, mark the pointer as
8877         dereferenced.  If there are fewer dereferences than uses of
8878         the pointer, the pointer's value escapes.
8879
8880 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
8881
8882         PR tree-optimization/19670
8883         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
8884         here...
8885         (verify_use): ... set it here, instead.
8886
8887 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
8888
8889         * doc/sourcebuild.texi (Test directives): Fix formatting.
8890
8891         * doc/sourcebuild.texi (Test directives): Describe selector
8892         expressions.
8893
8894 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8895
8896         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
8897         specific 64-bit CPUs.
8898
8899 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
8900
8901         PR target/16201
8902         * arm.c (arm_eliminable_register): New function.
8903         (adjacent_mem_locations): Don't allow eliminable registers.  Use
8904         HOST_WIDE_INT for address offsets.
8905         * arm-protos.h (arm_eliminable_register): Add prototype.
8906
8907 2005-02-01  Steven Bosscher  <stevenb@suse.de>
8908
8909         PR optimization/15242
8910         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
8911         * basic-block.h (duplicate_computed_gotos): Add prototype.
8912         * bb-reorder.c (duplicate_computed_gotos): New function to
8913         duplicate sufficiently small blocks ending in a computed jump.
8914         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
8915         if not optimizing for size.
8916         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
8917         never do tail merging for blocks ending in a computed jump.
8918         * doc/invoke.texi: Document the max-goto-duplication-insns param.
8919
8920 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
8921
8922         Patch from Richard Sandiford <rsandifo@redhat.com>
8923         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
8924         from inheriting a subreg equivalence with a non-spill register.
8925
8926         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
8927
8928 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
8929
8930         * config/frv/frv.c (movcc_fp_destination_operand): New.
8931         (gpr_or_memory_operand): Fix typo in comment.
8932         (gpr_or_memory_operand_with_scratch): New.
8933         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
8934         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
8935         movcc_fp_destination_operand.
8936         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
8937         Legitimize memory addresses using a scratch register.
8938
8939 2005-01-31  Jeff Law  <law@redhat.com>
8940
8941         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
8942         bitmap a sparse bitmap instead of a simple bitmap.
8943         (mark_def_sites_initialize_block):  Corresponding changes.
8944         (ssa_mark_def_sites_initialize_block): Likewise.
8945         (ssa_mark_phi_uses): Likewise.
8946         (mark_def_site, ssa_mark_def_sites): Likewise.
8947         (mark_def_site_blocks): Likewise.
8948         (rewrite_ssa_into_ssa): Likewise.
8949
8950         * tree-ssa-dom.c (record_cond): Pass correct variable type
8951         for last argument to htab_find_slot_with_hash.
8952
8953         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
8954         effects when optimizing 0 % X.  Do not try to optimize X % 0.
8955
8956 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
8957
8958         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
8959         1_mmalua.
8960
8961 2005-02-01  Eric Christopher  <echristo@redhat.com>
8962
8963         * config/mips/mips.c (override_options): Warn if -mint64
8964         is used.
8965         * doc/invoke.texi (MIPS Options): Document that -mint64 is
8966         deprecated.
8967
8968 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
8969
8970         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
8971         timestamp.
8972         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
8973         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
8974         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
8975         (cached_regno): Initialize to INVALID_REGNUM.
8976         (cse_reg_info_table_size,
8977         cse_reg_info_table_first_uninitialized,
8978         cse_reg_info_timestamp): New.
8979         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
8980         get_cse_reg_info.
8981         (init_cse_reg_info, get_cse_reg_info_1): New.
8982         (get_cse_reg_info): Cache the last look-up.
8983         (new_basic_block): Update the code to clear mappings from
8984         registers to cse_reg_info entries.
8985         (cse_main): Call init_cse_reg_info.
8986
8987         * cse.c (get_cse_reg_info): Update a comment.
8988
8989 2005-01-31  Steven Bosscher  <stevenb@suse.de>
8990
8991         PR c/19333
8992         * c-decl.c (start_decl): Do not warn about arrays of elements with
8993         an incomplete type here.
8994         (grokdeclarator): Do it here by making a pedwarn an error.
8995         * c-typeck.c (push_init_level): If there were previous errors with
8996         the constructor type, do not warn about braces for initializers.
8997         (process_init_element): Likewise for excess initializer elements.
8998
8999 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
9000
9001         * cse.c (delete_trivially_dead_insn): Don't iterate.
9002
9003 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
9004
9005         * config/rs6000/rs6000.md (copysignsf3): New expand.
9006         (copysigndf3): Likewise.
9007
9008 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9009
9010         * recog.c (constrain_operands): Only look for earlyclobber operand
9011         conflicts if an '&' constraint was seen.
9012
9013 2005-01-31  Marc Espie <espie@openbsd.org>
9014
9015         * config.gcc: Don't include embedded systems fragment, switches default
9016         debugging format to ELF.
9017         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
9018         longer pick it up there.
9019
9020 2005-01-31  Dale Johannesen  <dalej@apple.com>
9021
9022         * doc/extend.texi (nested functions): Fix linkage description.
9023         Clarify that static is not allowed.
9024
9025 2005-01-31  Dale Johannesen  <dalej@apple.com>
9026
9027         * config/rs6000/darwin.md (movsf_low_di):  Make work.
9028         (movdf_low_di):  Make work.
9029
9030 2005-01-31  Dale Johannesen  <dalej@apple.com>
9031
9032         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
9033         Make work for 64 bit.
9034
9035 2005-01-31  Roger Sayle  <roger@eyesopen.com>
9036             Dale Johannesen  <dalej@apple.com>
9037
9038         PR middle-end/19650
9039         * fold-const.c (fold_binary_op_with_conditional_arg):
9040         Make types match original operands, before STRIP_NOPS.
9041
9042 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
9043
9044         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
9045         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
9046         (struct gcc_sigcontext): Delete.  Merge contents to..
9047         (struct gcc_ucontext): ..here.
9048         (get_sigcontext): Delete.
9049         (get_regs): New function, like get_sigcontext but return regs ptr.
9050         64-bit version finds regs from r1 to support vdso.
9051         (ppc_linux_aux_vector): New function.
9052         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
9053         and vector regs.
9054
9055 2005-01-31  Ira Rosen  <irar@il.ibm.com>
9056
9057         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
9058         sizetype.
9059         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
9060         redundant fold. Fix misalignment for MINUS_EXPR.
9061         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
9062         (vect_analyze_pointer_ref_access): Likewise.
9063         (vect_get_memtag_and_dr): Likewise.
9064
9065 2005-01-31  Richard Henderson  <rth@redhat.com>
9066
9067         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
9068         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
9069         absnegdf2_i387, absnegxf2_i387): Likewise.
9070
9071 2005-01-31  Richard Henderson  <rth@redhat.com>
9072
9073         PR 19696
9074         * optabs.c (expand_copysign_absneg): New.
9075         (expand_copysign_bit): Split out from ...
9076         (expand_copysign): ... here.  Use expand_copysign_absneg.
9077
9078 2005-01-30  Roger Sayle  <roger@eyesopen.com>
9079
9080         PR middle-end/19697
9081         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
9082         constant as the second operand and a register as the third.
9083
9084 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
9085
9086         PR target/19704
9087         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
9088         that dllimport'd functions do not use all call-clobbered registers
9089         to pass parameters.
9090
9091 2005-01-30  Richard Henderson  <rth@redhat.com>
9092
9093         PR 19696
9094         * optabs.c (expand_absneg_bit): Split out from expand_unop and
9095         expand_abs_nojump and generalize.  Use operand_subword and
9096         emit_no_conflict_block.  Support large modes.
9097         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
9098         back to maximum.
9099         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
9100         negation to subtraction.
9101         (expand_copysign): Check that the format has signed zeros.
9102         Use operand_subword and emit_no_conflict_block.  Support large modes.
9103
9104 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
9105
9106         Fix PR tree-optimization/19624
9107
9108         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
9109         * tree-ssa-pre.c: Add cfgloop.h.
9110         Update comment.
9111         (pre_stats): New member, constified.
9112         (inserted_exprs): New static variable.
9113         (NECESSARY): New macro.
9114         (create_expression_by_pieces): Fold the expression, and
9115         mark it as defaulting to not necessary. Also put in
9116         inserted_exprs.
9117         (fully_constant_expression): New function.
9118         (insert_into_preds_of_block): Modify to not insert phis when we
9119         are playing with induction variables.
9120         Push phis onto the inserted_exprs vector, and mark them as not
9121         necessary by default.
9122         (insert_aux): Call fully_constant_expression on eprime.
9123         If all edges produce the same value, mark it constant.
9124         (mark_operand_necessary): New function.
9125         (remove_dead_inserted_code): New function.
9126         (init_pre): Init loop optimizer to get loop info.
9127         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
9128         (execute_pre): Commit edge inserts, then remove dead code.
9129
9130 2005-01-30  Richard Henderson  <rth@redhat.com>
9131
9132         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
9133         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
9134
9135 2005-01-30  Richard Henderson  <rth@redhat.com>
9136
9137         PR target/19700
9138         * config/i386/i386.c (ix86_expand_copysign): New.
9139         (ix86_split_copysign_const): New.
9140         (ix86_split_copysign_var): Rename from ix86_split_copysign,
9141         rearrange op1/nmask operands.
9142         * config/i386/i386-protos.h: Update.
9143         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
9144         (copysigndf3): Likewise.
9145         (copysignsf3_const, copysigndf3_const): New.
9146         (copysignsf3_var): Rename from copysignsf3, split out splitter
9147         and fix split predicate for X constraint.
9148         (copysigndf3_var): Similarly.
9149
9150 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
9151
9152         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
9153         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
9154         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
9155
9156 2005-01-29  Richard Henderson  <rth@redhat.com>
9157
9158         PR target/19690
9159         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
9160         of # and * in constraints.
9161
9162 2005-01-29  Richard Henderson  <rth@redhat.com>
9163
9164         PR middle-end/19689
9165         * expr.c (store_field): Don't strip sub-mode cast when the input
9166         data is even smaller.
9167
9168 2005-01-29  Richard Henderson  <rth@redhat.com>
9169
9170         PR middle-end/19687
9171         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
9172         union being empty.
9173
9174 2005-01-29  Richard Henderson  <rth@redhat.com>
9175
9176         * combine.c (make_field_assignment): Fix argument order
9177         to gen_int_mode.
9178
9179 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
9180
9181         PR tree-optimization/15791
9182         * fold-const.c (extract_array_ref): New function.
9183         (fold): Fold comparisons between &a[i] and &a[j] or
9184         semantically equivalent trees.
9185
9186 2005-01-29  Jeff Law  <law@redhat.com>
9187
9188         * gcse.c (insert_expr_in_table): Revamp handling of available
9189         and anticipatable occurrence lists to avoid unnecessary list
9190         walking.
9191         (insert_set_in_table): Similarly.
9192
9193 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
9194
9195         * c-common.c (fix_string_type): Just use c_build_qualified_type to
9196         build string type.
9197         (c_build_qualified_type): Build qualified array types with
9198         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
9199         * c-decl.c (c_make_fname_decl): Build unqualified array type
9200         before qualified type.
9201         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
9202         type is qualified, not just if type itself is.  Don't apply
9203         qualifiers to array type when declarator is processed.  Apply
9204         qualifiers to field type whether or not it is an array type.
9205         Don't handle array types specially for applying qualifiers to
9206         variables.
9207         * c-typeck.c (composite_type): Build unqualified element type and
9208         array type when forming composite of array types.
9209         (common_pointer_type, comptypes, comp_target_types,
9210         type_lists_compatible_p, build_indirect_ref, build_array_ref,
9211         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
9212         types.
9213         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
9214         (args2) in variables a1 and a2.
9215
9216 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
9217
9218         * cse.c (n_elements_made, max_elements_made): Remove.
9219         (insert): Don't touch n_elements_made.
9220         (cse_main): Don't touch n_elements_made or max_elements_made.
9221
9222 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
9223
9224         PR target/15384
9225         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
9226         configuration part of dp-bit.c to be lost.
9227
9228 2005-01-28  Roger Sayle  <roger@eyesopen.com>
9229
9230         * expmed.c (expand_mult_highpart_optab): When attempting to use
9231         a non-widening multiplication in a wider mode, the operands need
9232         to be converted (zero or sign extended) to that mode.
9233
9234 2005-01-28  Ian Lance Taylor  <ian@airs.com>
9235
9236         PR middle-end/16558
9237         PR middle-end/19583
9238         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
9239         through if both operands fall through.
9240
9241 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9242
9243         * cse.c (fold_rtx) <PC>: Don't optimize.
9244
9245 2005-01-28  Jeff Law  <law@redhat.com>
9246
9247         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
9248         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
9249
9250 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9251
9252         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
9253         cse_reg_info_used_list_end): Remove.
9254         (cse_reg_info_list, cse_reg_info_list_free): New.
9255         (get_cse_reg_info): When allocating an instance of
9256         cse_reg_info, add it to the beginning of the cse_reg_info_list
9257         list.  Remove code to maintain cse_reg_info_used_list.
9258         (new_basic_block): Reset the free list to the beginning of
9259         cse_reg_info_list.
9260
9261 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
9262
9263         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
9264         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
9265         (frv_expand_mdpackh_builtin): New function.
9266         (frv_expand_builtin): Use it to expand __MDPACKH.
9267         * doc/extend.texi (__MDPACKH): Update documentation.
9268
9269 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
9270
9271         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
9272         SSE_FLOAT_MODE_P for use_sse computation.
9273
9274 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
9275
9276         PR target/19663
9277         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
9278
9279 2005-01-27  Richard Henderson  <rth@redhat.com>
9280
9281         * builtins.c (expand_builtin_copysign): New.
9282         (expand_builtin): Call it.
9283         * genopinit.c (optabs): Add copysign_optab.
9284         * optabs.c (init_optabs): Initialize it.
9285         (expand_copysign): New.
9286         * optabs.h (OTI_copysign, copysign_optab): New.
9287         (expand_copysign): Declare.
9288
9289         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
9290         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
9291
9292         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
9293         (ix86_expand_fp_absneg_operator): ... here.
9294         (ix86_split_copysign): New.
9295         * config/i386/i386-protos.h: Update.
9296         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
9297         (copysignsf3, copysigndf3): New.
9298
9299         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
9300         (copysignsf3, ncopysignsf3): New.
9301         (copysigndf3, ncopysigndf3): New.
9302         (copysignxf3, ncopysignxf3): New.
9303         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
9304
9305 2005-01-27  Arend Bayer  <arend.bayer@web.de>
9306             Kazu Hirata  <kazu@cs.umass.edu>
9307
9308         * cse.c: (find_best_addr): Don't call copy_rtx before calling
9309         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
9310         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
9311         NULL_RTX.
9312
9313 2005-01-27  Jeff Law  <law@redhat.com>
9314
9315         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
9316         definitions of SSA_NAMEs which are not being rewritten.
9317         (rewrite_ssa_into_ssa): Only initialize the current definition
9318         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
9319         If checking is enabled, assert that SSA_NAME_AUX is clear for all
9320         SSA_NAMEs before returning.
9321
9322 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
9323
9324         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
9325         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
9326         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
9327         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
9328         config/mips/iris6.h, config/sh/sh.c: Update copyright.
9329
9330 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9331
9332         PR middle-end/17278
9333         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
9334         higher to -O2 and higher.  Likewise for tree PRE.
9335         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
9336         and better.
9337
9338 2005-01-27  Ian Lance Taylor  <ian@airs.com>
9339
9340         PR middle-end/19583
9341         * gimple-low.c (try_catch_may_fallthru): New static function.
9342         (block_may_fallthru): Handle TRY_CATCH_EXPR.
9343         * tree-inline.c (expand_call_inline): Don't warn about reaching
9344         the end of a non-void function being inlined if the function uses
9345         a return slot.
9346
9347 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
9348
9349         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
9350
9351         PR c/18946
9352         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
9353         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
9354         (implicitly_declare): Handle error_mark_node.
9355
9356 2005-01-27  Richard Henderson  <rth@redhat.com>
9357
9358         PR tree-opt/14329
9359         * tree.h (struct tree_decl): Add debug_expr_is_from.
9360         (DECL_DEBUG_EXPR_IS_FROM): New.
9361         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
9362         * dwarf2out.c (dwarf2out_var_location): Update to match.
9363         * tree-outof-ssa.c (create_temp): Likewise.
9364         * var-tracking.c (track_expr_p): Likewise.
9365         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
9366         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
9367         * toplev.c (default_tree_printer): Likewise.
9368
9369 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
9370
9371         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
9372         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
9373
9374 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9375
9376         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
9377         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
9378         ASM_CLOBBERS): Add tree checks.
9379
9380         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
9381         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
9382         * c-common.def (SWITCH_STMT): Update to match.
9383         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
9384         macros instead of SWITCH_EXPR ones.
9385         * c-dump.c (c_dump_tree): Likewise.
9386         * c-gimplify.c (gimplify_switch_stmt): Likewise.
9387         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
9388
9389         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
9390
9391 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
9392
9393         * unwind-dw2.c (execute_stack_op): Add missing cases for
9394         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
9395
9396 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
9397
9398         * config.gcc (Obsolete configurations): Remove 'dummy', add
9399         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
9400         sparc-*-openbsd*.
9401
9402 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
9403
9404         PR tree-optimization/19633
9405         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
9406         CALL_EXPRs.
9407         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
9408         are no call-clobbered variables.
9409         * tree-outof-ssa.c (check_replaceable): Return false for calls
9410         with side-effects.
9411
9412 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
9413
9414         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
9415         even for variables with NULL DECL_INITIAL.
9416
9417 2005-01-26  Stuart Hastings  <stuart@apple.com>
9418
9419         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
9420
9421 2005-01-26  Richard Henderson  <rth@redhat.com>
9422
9423         PR middle-end/18008
9424         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9425         field's type.
9426         * expr.c (store_field): Strip conversions to odd-bit-sized types
9427         if the destination field width matches.
9428
9429 2005-01-26  Richard Henderson  <rth@redhat.com>
9430
9431         * c-decl.c, expmed.c, expr.c: Revert last change.
9432
9433 2005-01-26  Richard Henderson  <rth@redhat.com>
9434
9435         PR middle-end/18008
9436         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9437         field's type.
9438         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
9439         if we don't need the bits above those present in the current mode.
9440         * expr.c (store_field): Strip conversions to odd-bit-sized types
9441         if the destination field width matches.
9442
9443 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
9444
9445         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
9446         either -ffast-math or -funsafe-math-optimizations is in use.
9447
9448 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
9449
9450         PR target/19293
9451         PR target/19329
9452         * config/avr/avr.c (notice_update_cc): Only set condition code for
9453         ashrqi3 if shift count > 0.
9454         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
9455         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
9456         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
9457         count <= 0 as a no-op, and shift count >= width by copying zero
9458         or sign bit to all bits of the result.
9459         * config/avr/avr.md (all shifts): Add alternatives for zero shift
9460         count, with attribute "length" set to 0 and "cc" set to "none".
9461
9462 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
9463
9464         * doc/invoke.texi: Document -mTLS.
9465
9466         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
9467         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
9468         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
9469         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
9470         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
9471         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
9472         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
9473         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
9474
9475         * configure.ac: Check for a TLS capable gas.
9476
9477         * configure: Regenerate.
9478
9479 2005-01-26  Richard Henderson  <rth@redhat.com>
9480
9481         PR middle-end/18008
9482         * combine.c (make_field_assignment): Simplify store to zero_extract
9483         from a source with an overlapping mask.
9484
9485 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
9486
9487         2004-11-11  Eric Christopher  <echristo@redhat.com>
9488
9489         * config/frv/frv.md: Add fr400_integer automaton. Don't
9490         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
9491         to TYPE_MACC.
9492
9493 2005-01-26  Steven Bosscher  <stevenb@suse.de>
9494
9495         PR middle-end/16585
9496         * cfgbuild.c (make_edges): Do not clear or set
9497         current_function_has_computed_jump.
9498         * function.h (struct function): Remove the has_computed_jump field.
9499         (current_function_has_computed_jump): Do not define.
9500         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
9501         in a computed jump.  Ignore current_function_has_computed_jump.
9502
9503 2005-01-26  Richard Henderson  <rth@redhat.com>
9504
9505         PR middle-end/19515
9506         * expr.c (categorize_ctor_elements): New argument p_must_clear.
9507         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
9508         fully initialized.
9509         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
9510         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
9511         objects into static storage if they have more than one non-zero value.
9512         * tree.h (categorize_ctor_elements): Update decl.
9513
9514 2005-01-26  Steven Bosscher  <stevenb@suse.de>
9515
9516         PR middle-end/19616
9517         * tree.h (CALL_EXPR_TAILCALL): Add comment.
9518         * calls.c (check_sibcall_argument_overlap_1): Revert the change
9519         to this function from 2004-07-10.
9520         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
9521         the current function for tail call optimizations if the address
9522         of one of it its arguments is taken.
9523
9524 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
9525
9526         * cse.c (fold_rtx): Call equiv_constant only when necessary.
9527
9528 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
9529
9530         * function.c (expand_function_end): If current_function_calls_alloca,
9531         emit stack restore in a place that is reached when the function falls
9532         through at the end.
9533
9534 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
9535
9536         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
9537         rule to avoid matching inappropriate suffix rule.
9538
9539 2005-01-26  Jan Hubicka  <jh@suse.cz>
9540
9541         PR tree-optimization/19241
9542         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
9543
9544 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
9545
9546         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
9547         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
9548         of doubling.
9549         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
9550         <sim*>: Always use crt1.o, regardless of N in simN.
9551         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
9552         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
9553         (CRT_CALL_STATIC_FUNCTION): Remove.
9554         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
9555         use crt1.o, regardless of N in simN.
9556         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
9557         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
9558         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
9559         case isystem setting.
9560         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
9561
9562 2005-01-25  Ian Lance Taylor  <ian@airs.com>
9563
9564         * gimple-low.c (block_may_fallthru): Correct handling of
9565         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
9566
9567 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
9568
9569         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
9570         handlers to match indentation; nested under the mtune=* handler.
9571         Similar for mcpu= and march=.
9572
9573 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
9574
9575         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
9576         * config/mips/linux64.h (LIB_SPEC): Likewise.
9577         * config/mn10300/linux.h (LIB_SPEC): Likewise.
9578         * config/sh/linux.h (LIB_SPEC): Likewise.
9579
9580 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
9581
9582         * config/frv/frv.c (frv_legitimize_tls_address): New.
9583         (TARGET_HAVE_TLS): Define.
9584         (FRV_SYMBOL_REF_TLS_P): Define.
9585         (frv_override_options): Handle new register classes.
9586         (frv_legitimate_address_p): Reject tls addresses.
9587         (frv_legitimize_address): Handle TLS addresses.
9588         (gen_inlined_tls_plt): New.
9589         (gen_tlsmoff): New.
9590         (frv_legitimize_tls_address): New.
9591         (unspec_got_name): Add TLS entries.
9592         (got12_operand): Add R_FRV_TLSMOFF12 case.
9593         (frv_emit_move): Fixup TLS addresses.
9594         (frv_emit_movsi): Legitimize TLS addresses.
9595
9596         * config/frv/frv.h (MASK_BIG_TLS): New.
9597         (TARGET_BIG_TLS): New.
9598         (HAVE_AS_TLS): Define.
9599         (TARGET_SWITCHES): Add -mTLS and -mtls options.
9600         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
9601         (REG_CLASS_NAMES): Same.
9602         (REG_CLASS_CONTENTS): Same.
9603         (CONSTRAINT_LEN): New.
9604         (REG_CLASS_FROM_CONSTRAINT): New.
9605         (PREDICATE_CODES): Add symbolic_operand.
9606
9607         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
9608         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
9609         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
9610         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
9611         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
9612         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
9613         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
9614         GR9_REG, GR14_REG, LRREG.
9615         (type): Add load_or_call attribute.
9616         ("load_or_call"): New reservation.
9617         ("call_gettlsoff"): New.
9618         ("tls_indirect_call"): New.
9619         ("tls_load_gottlsoff12"): New.
9620         ("tlsoff_hilo"): New.
9621         ("tls_tlsdesc_ldd"): New.
9622         ("tls_tlsoff_ld"): New.
9623         ("tls_lddi"): New.
9624
9625         * config/frv/frv-protos.h (symbolic_operand): Protoize.
9626
9627         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
9628
9629         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
9630         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
9631         * config/frv/frv.c (TLS_BIAS): Define.
9632         (frv_output_dwarf_dtprel): New.
9633
9634 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
9635
9636         PR rtl-optimization/19579
9637         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
9638         both A and B, see if they don't clobber registers the other expr uses.
9639
9640 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
9641
9642         * real.c (do_add): Initialize signalling and canonical members.
9643
9644         * real.c (real_from_integer): Zero out destination.
9645
9646 2005-01-18  Jan Hubicka  <jh@suse.cz>
9647
9648         PR tree-optimize/19337
9649         * tree-inline.c (initialize_inlined_parameters): Copy
9650         saved_static_chain_decl only.
9651
9652 2005-01-25  Richard Henderson  <rth@redhat.com>
9653
9654         PR target/19556
9655         PR target/19584
9656         * config/i386/i386.c (x86_inter_unit_moves): Zero.
9657         (ix86_preferred_reload_class): Rewrite fp-constant section, with
9658         80387 enabled, to return a proper subclass.  Return the subset that
9659         overlaps with GENERAL_REGS for PLUS.
9660         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
9661
9662 2005-01-25  Richard Henderson  <rth@redhat.com>
9663
9664         PR middle-end/19609
9665         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
9666
9667 2005-01-25  Roger Sayle  <roger@eyesopen.com>
9668
9669         * expmed.c (choose_multiplier): Change interface to return the
9670         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
9671         (expand_divmod): Update calls to choose_multiplier.
9672
9673 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9674
9675         PR middle-end/19330
9676         * expmed.c (extract_bit_field): Use adjust_address instead of
9677         gen_lowpart when op0 is a MEM.
9678
9679 2005-01-24  Steven Bosscher  <stevenb@suse.de>
9680
9681         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
9682
9683 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
9684
9685         * config/mips/irix-csr.c: New file.
9686         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
9687         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
9688         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
9689         executables.
9690
9691 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
9692
9693         PR bootstrap/19364
9694         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
9695         sparc/elf.h, add sparc/sp-elf.h.
9696         (sparc-*-rtems*): Likewise.
9697         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
9698         tm-dwarf2.h, add sparc/sp-elf.h.
9699         (sparc86x-*-elf): Likewise.
9700         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
9701         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
9702         TARGET_OS_CPP_BUILTINS.
9703         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
9704         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
9705         Undefine it.
9706         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
9707         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
9708         (SWITCH_TAKES_ARG): Likewise.
9709         (LOCAL_LABEL_PREFIX): Likewise.
9710         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
9711         (TARGET_N_FORMAT_TYPES): Delete.
9712         (TARGET_FORMAT_TYPES): Likewise.
9713         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
9714         * config/sparc/elf.h: Delete.
9715         * config/sparc/sp-elf.h: New file.
9716
9717 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
9718
9719         * tree-flow-inline.h (phi_arg_from_edge): Remove.
9720         * tree-flow.h: Remove the corresponding prototype.
9721         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
9722         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
9723
9724 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
9725
9726         PR target/17751
9727         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
9728         for AIX ABI or ELF -fPIC.
9729         (rs6000_emit_load_toc_table): Don't create toc_section here.
9730         (rs6000_xcoff_file_start): Nor here.
9731
9732 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
9733
9734         * sh.c (ra.h): Don't #include.
9735         (hard_regs_intersect_p): New function, resurrected from ra.c.
9736
9737         * sh.c: Fix 1996 Copyright.
9738
9739 2005-01-24  Richard Henderson  <rth@redhat.com>
9740             Aldy Hernandez  <aldyh@redhat.com>
9741
9742         * regrename.c (note_sets): Handle subregs.
9743
9744 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
9745
9746         PR bootstrap/18058
9747         * genconditions.c (write_header, write_conditions): Elide file if
9748         not GCC >= 3.0.1.
9749
9750 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
9751
9752         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
9753         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
9754         Update copyright.
9755
9756 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
9757
9758         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
9759         expand_builtin_printf, expand_builtin_fprintf,
9760         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
9761         checking against POINTER_TYPE.
9762         (validate_arglist): Handle POINTER_TYPE code by checking
9763         POINTER_TYPE_P.
9764
9765 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
9766
9767         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
9768         init_rtlanal): New.
9769         (for_each_rtx): Call for_each_rtx_1.
9770         * rtl.h (init_rtlanal): Declare.
9771         * toplev.c (backend_init): Call init_rtlanal.
9772
9773 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
9774
9775         * flow.c (propagate_one_insn): Formatting.
9776
9777         PR middle-end/19551
9778         * flow.c (libcall_dead_p): Be more conservative if unsure.
9779         If there are any instructions between insn and call, see if they are
9780         all dead before saying the libcall is dead.
9781
9782 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
9783
9784         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
9785         operand constraint for operand 0.
9786
9787 2005-01-23  Richard Henderson  <rth@redhat.com>
9788
9789         PR 19486
9790         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
9791         edges leading to join block.
9792
9793 2005-01-23  Roger Sayle  <roger@eyesopen.com>
9794
9795         * expmed.c (expand_mult_highpart): Make static.  Change type of
9796         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
9797         (expand_divmod): Updates calls to expand_mult_highpart by using
9798         gen_int_mode to pass a CONST_INT rtx.
9799         * rtl.h (expand_mult_highpart): Remove prototype.
9800
9801 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
9802
9803         * flow.c (regset_bytes, regset_size): Remove.
9804
9805         * cfganal.c: Fix a reference to Harvey's paper.
9806
9807 2005-01-23  Steven Bosscher  <stevenb@suse.de>
9808
9809         PR rtl-optimization/19464
9810         * tree-optimize.c (init_tree_optimization_passes): Add one more
9811         copyrename pass just before out-of-ssa.
9812
9813 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
9814
9815         PR bootstrap/18058
9816         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
9817         * ggc-none.c (ggc_free): Define.
9818
9819 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
9820
9821         * cse.c (max_reg, max_insn_uid): Remove.
9822         (cse_main): Don't access max_reg or max_insn_uid.
9823
9824         * c-common.c (explicit_flag_signed_bitfields,
9825         lang_statement_code_p, lang_expand_function_end): Remove.
9826         * c-common.h: Remove the corresponding declarations.
9827         * c-opts.c (c_common_handle_option): Remove all write access
9828         to explicit_flag_signed_bitfields.
9829
9830         * cgraph.c (cgraph_varpool_n_nodes): Remove.
9831         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
9832         * cgraph.h: Remove the corresponding declaration.
9833
9834         * gcse.c (null_pointer_info): Remove.
9835
9836 2005-01-23  Roger Sayle  <roger@eyesopen.com>
9837             Eric Botcazou  <ebotcazou@libertysurf.fr>
9838
9839         * combine.c (simplify_logical): Only simplify logical expressions
9840         of the form ior(and(x,y),z) by the inverse distributive law if the
9841         result is cheaper than the original.
9842
9843 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
9844
9845         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
9846         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
9847         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
9848         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
9849         config/freebsd-spec.h, config/arm/arm.h,
9850         config/h8300/h8300.md, config/i386/i386.md,
9851         config/i386/predicates.md, config/i386/sse.md,
9852         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
9853         config/vax/vax.md: Fix comment typos.  Follow spelling
9854         conventions.
9855
9856 2005-01-23  Steven Bosscher  <stevenb@suse.de>
9857
9858         * gengtype.c (walk_type): Produce `not equal to' compares for loop
9859         tests, instead of `less than'.
9860
9861 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
9862
9863         * function.c (assign_parm_setup_block): When creating a new stack slot
9864         for a parameter, get its alignment from the parameter's DECL_ALIGN
9865         rather than the type's TYPE_ALIGN.  Make sure that the parameter
9866         is at least word aligned.
9867
9868 2005-01-22  Roger Sayle  <roger@eyesopen.com>
9869
9870         PR middle-end/19378
9871         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
9872
9873 2005-01-22  Richard Henderson  <rth@redhat.com>
9874
9875         PR target/19506
9876         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
9877         in both compare operands.
9878         (movdfcc_1_sse_max): Likewise.
9879         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
9880         (movdfcc_1_sse): Likewise.
9881         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
9882         scratch register as needed.
9883
9884 2005-01-22  Richard Henderson  <rth@redhat.com>
9885
9886         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
9887
9888         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
9889
9890 2005-01-22  Richard Henderson  <rth@redhat.com>
9891
9892         * genopinit.c (optabs): Use smin/smax for floating point too.
9893         * doc/md.texi: Update to match.  Clarify that floating point
9894         results are undefined for +0/-0 and NaN.
9895         * doc/rtl.texi: Likewise.
9896         * rtl.def (SMIN, SMAX): Likewise
9897         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
9898
9899         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
9900         leading 's' to the name.
9901         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
9902         smaxxf3, sminxf3): Likewise.
9903         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
9904         Likewise.
9905
9906 2005-01-22  Paul Brook  <paul@codesourcery.com>
9907
9908         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
9909
9910 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
9911
9912         * config/s390/s390.c (struct processor_costs): New fields
9913         dlgr, dlr, dr, dsgfr, dsgr.
9914         (z900_cost, z990_cost): Values for new fields.
9915         (s390_rtx_costs): New cases MEM und COMPARE in switch
9916         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
9917         DIV, MOD, UDIV, UMOD.
9918
9919 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
9920
9921         * config/s390/s390.md ("doloop_si64"): Reload input value directly
9922         into the register being decremented.
9923         ("doloop_si31", "doloop_di"): Likewise.
9924         ("*doloop_si_long"): Adapt pattern.
9925
9926 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
9927
9928         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
9929         access registers.
9930         (CLASS_MAX_NREGS): Likewise.
9931
9932 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
9933
9934         * doc/tree-ssa.texi (Statement Operands): Add example for new
9935         must-def macro. Note deprecation of old operands interface.
9936
9937 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
9938
9939         PR tree-optimization/19484
9940         * tree-cfg.c (remove_fallthru_edge): New function.
9941         (cleanup_control_flow): Remove fallthru edges from calls that are
9942         now known not to return.
9943
9944 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
9945
9946         Fix PR tree-optimization/19038
9947         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
9948         copies with loop variant ones.
9949
9950 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
9951
9952         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
9953         config/alpha/alpha-protos.h, config/alpha/alpha.h,
9954         config/alpha/alpha.md, config/alpha/predicates.md,
9955         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
9956         config/sparc/sol2.h: Update copyright.
9957
9958         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
9959         first label to see if it is a nonlocal label.
9960
9961 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
9962             Andrew Pinski  <pinskia@physics.uc.edu>
9963
9964         PR target/19491
9965         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
9966         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
9967
9968 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
9969
9970         * config/rs6000/rtems.h: Update copyright.
9971
9972 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
9973
9974         PR target/19548
9975         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
9976         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
9977         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
9978
9979 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9980
9981         PR c/18809
9982         * c-typeck.c (convert_arguments): Check for error_mark_node.
9983
9984 2005-01-21  Ian Lance Taylor  <ian@airs.com>
9985
9986         PR tree-optimization/13000
9987         * tree-inline.c: Include "tree-flow.h".
9988         (expand_call_inline): If warn_return_type, warn if non-void inline
9989         function falls through.
9990         * tree-cfg.c (execute_warn_function_return): Don't warn about
9991         control reaching end if TREE_NO_WARNING is set.  Set
9992         TREE_NO_WARNING.
9993         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
9994         has been lowered.
9995         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
9996         branch if we don't need one.
9997         * c-typeck.c: Include "tree-flow.h"
9998         (c_finish_bc_stmt): Don't add a goto if the current statement
9999         list doesn't fall through to the current point.
10000
10001 2005-01-21  Roger Sayle  <roger@eyesopen.com>
10002
10003         PR rtl-optimization/576
10004         * real.c (real_arithmetic): Change return type from void to bool
10005         to return an indication that the result may be inexact.
10006         * real.h (real_arithmeric): Update prototype.
10007         * fold-const.c (const_binop):  Don't constant fold floating
10008         point expressions when the user specifies -frounding-math and
10009         the result may depend upon the run-time rounding mode.
10010         (fold_convert_const_real_from_real): Clean-up.
10011         (fold_initializer): Ignore flag_rounding_math for initializers.
10012         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
10013         constant fold FP operations with flag_rounding_math if the
10014         result may depend upon the run-time rounding mode.
10015
10016 2005-01-21  Tom Tromey  <tromey@redhat.com>
10017
10018         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
10019
10020 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
10021
10022         * tree-cfg.c: Fix comment typos.
10023
10024 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
10025
10026         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
10027         around the call to rest_of_handle_branch_target_load_optimize.
10028
10029 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10030
10031         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
10032         (sparc64-*-openbsd*): Likewise.
10033         (sparclite-*-elf*): Include tm-dwarf2.h.
10034         (sparc86x-*-elf*): Likewise.
10035         (sparc64-*-elf*): Likewise.
10036         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
10037         (DBX_DEBUGGING_INFO): Likewise.
10038         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
10039         (PREFERRED_DEBUGGING_TYPE): Likewise.
10040         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
10041         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
10042         (PREFERRED_DEBUGGING_TYPE): Likewise.
10043         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
10044         (PREFERRED_DEBUGGING_TYPE): Likewise.
10045         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
10046
10047 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
10048
10049         PR target/18701
10050         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
10051
10052 2005-01-20  Paul Brook  <paul@codesourcery.com>
10053
10054         * doc/rtl.texi: Document value extension requirements for CONST_INT.
10055
10056 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10057
10058         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
10059         label is first in a sequence of labels.
10060
10061         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
10062
10063 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
10064             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
10065
10066         * doc/sourcebuild.texi (Test Directives): New.
10067
10068 2005-01-20  Roger Sayle  <roger@eyesopen.com>
10069
10070         * real.c (real_floor): Don't leave the result uninitialized when
10071         mode is VOIDMode, but return the unrounded intermediate value.
10072         (real_ceil): Likewise.
10073
10074 2005-01-20  Paul Brook  <paul@codesourcery.com>
10075
10076         * config/arm/arm.md (insv): Use gen_int_mode.
10077
10078 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
10079
10080         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
10081         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10082         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10083         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10084         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10085
10086 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10087
10088         Fix PR debug/19124
10089         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
10090         fbreg, so we have to assume we can't.
10091         (loc_descriptor_from_tree_1): Ditto.
10092         (containing_function_has_frame_base): New function.
10093         (add_location_or_const_value_attribute): Use it.
10094         Also try to generate a frame_base from a single element location
10095         list.
10096
10097 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10098
10099         PR tree-optimization/15349
10100         * timevar.def (TV_TREE_MERGE_PHI): New.
10101         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
10102         PHI_WANTED.
10103         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
10104         calls to tree_forwarder_block_p.
10105         (remove_forwarder_block_with_phi, merge_phi_nodes,
10106         gate_merge_phi, pass_merge_phi): New.
10107         * tree-optimize.c (init_tree_optimization_passes): Add
10108         pass_merge_phi.
10109         * tree-pass.h: Add an extern for pass_merge_phi;
10110
10111 2005-01-20  Richard Henderson  <rth@redhat.com>
10112
10113         PR target/19418
10114         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
10115         (_mm_castps_pd, _mm_castps_si128): New.
10116         (_mm_castsi128_ps, _mm_castsi128_pd): New.
10117
10118 2005-01-20  Richard Henderson  <rth@redhat.com>
10119
10120         PR target/19530
10121         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
10122         __builtin_ia32_vec_init_v2si.
10123         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
10124         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
10125         (ix86_init_mmx_sse_builtins): Create it.
10126         (ix86_expand_builtin): Expand it.
10127         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
10128         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
10129         (vec_extractv2si_0, vec_extractv2si_1): New.
10130
10131 2005-01-20  Richard Henderson  <rth@redhat.com>
10132
10133         PR target/16533
10134         * config/i386/i386.c (ix86_expand_push): New.
10135         * config/i386/mmx.md (push<MMXMODE>1): New.
10136         * config/i386/sse.md (push<SSEMODE>1): New.
10137         * config/i386/i386-protos.h: Update.
10138
10139 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10140
10141         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
10142         copyright.
10143
10144 2005-01-20  Richard Henderson  <rth@redhat.com>
10145
10146         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
10147         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
10148
10149 2005-01-19  Richard Henderson  <rth@redhat.com>
10150
10151         PR target/19350
10152         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
10153         to V4SFmode in SSE1 fallback load path.
10154
10155 2005-01-19  Richard Henderson  <rth@redhat.com>
10156
10157         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
10158         in QImode expansion to ix86_expand_vector_set.
10159         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
10160
10161 2005-01-19  Richard Henderson  <rth@redhat.com>
10162
10163         PR target/19511
10164         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
10165         subclass of the input class.
10166         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
10167         Always true for cross-SSE1 classes.  Rationalize conditionals.
10168         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
10169         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
10170         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
10171         (movdi_2): Add MMX/SSE zeros.
10172         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
10173         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
10174         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
10175         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
10176         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
10177         (zero_extendsidi2_rex64_1): Remove.
10178         (MOV0 peephole): Check GENERAL_REG_P.
10179
10180 2005-01-19  Richard Henderson  <rth@redhat.com>
10181
10182         PR target/19427
10183         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
10184         shufps elements.
10185         (ix86_expand_vector_extract): Likewise.
10186
10187 2005-01-19  Richard Henderson  <rth@redhat.com>
10188
10189         PR middle-end/19304
10190         * expr.c (emit_move_change_mode): New argument force; use
10191         simplify_gen_subreg if true.
10192         (emit_move_via_alt_mode): Merge into ...
10193         (emit_move_via_integer): ... here.
10194         (emit_move_ccmode): Use emit_move_change_mode directly.
10195
10196 2005-01-19  Richard Henderson  <rth@redhat.com>
10197
10198         PR target/19518
10199         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
10200         (alpha_preferred_reload_class): Handle CONST_VECTOR.
10201         (alpha_emit_set_const_1): Add no_output parameter; don't emit
10202         rtl if true.
10203         (alpha_emit_set_const): Likewise.  Make static.
10204         (alpha_emit_set_long_const): Make static.
10205         (alpha_extract_integer): Split out from alpha_expand_mov.
10206         (alpha_split_const_mov): Likewise.
10207         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
10208         (alpha_legitimate_constant_p): New.
10209         * config/alpha/alpha-protos.h: Update.
10210         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
10211         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
10212         * config/alpha/alpha.md (movsi): Add n alternative.
10213         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
10214         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
10215         (splitters for all of the above): Use alpha_split_const_mov.
10216         * config/alpha/predicates.md (non_add_const_operand): New.
10217         (non_zero_const_operand): New.
10218         (input_operand): Use alpha_legitimate_constant_p after reload.
10219
10220 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10221
10222         PR tree-optimization/19038
10223         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
10224         (add_candidate): Add ivs with increment in latch only if
10225         allow_ip_end_pos_p is true.
10226         (determine_iv_cost): Use empty_block_p.
10227
10228 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
10229
10230         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
10231         (compute_dominance_frontiers): Ditto.
10232
10233 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
10234
10235         PR target/19529
10236         * config/sh/t-rtems: New.
10237         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
10238
10239 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10240
10241         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
10242         the offset of the selected field.
10243
10244 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
10245
10246         * tree-cfg.c (remove_forwarder_block): Fix the check to
10247         prevent a nonlocal label from appearing in the middle of a
10248         basic block.
10249
10250 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
10251
10252         PR rtl-optimization/19462
10253         * reorg.c (find_end_label): Create return insn only if
10254         current_function_epilogue_delay_list is empty.
10255
10256 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
10257
10258         * doc/passes.texi: Remove paragraph mentioning new-ra.
10259
10260 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
10261
10262         PR rtl-optimization/15139
10263         * combine.c: Include params.h.
10264         (count_rtxs): New function.
10265         (record_value_for_reg): If replace_rtx would replace at least
10266         2 occurrences of REG in VALUE and TEM is really large, replace REG with
10267         (clobber (const_int 0)) instead of TEM.
10268         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
10269         * params.h (MAX_LAST_VALUE_RTL): New.
10270         * Makefile.in (combine.o): Depend on $(PARAMS_H).
10271         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
10272
10273         PR c/17297
10274         * c-typeck.c (digest_init): Only call build_vector if all constructor
10275         elements are *_CST nodes.
10276         * gimplify.c (gimplify_init_constructor): Likewise.
10277
10278         PR middle-end/19164
10279         * c-typeck.c (digest_init): Only call build_vector if inside_init
10280         is a CONSTRUCTOR.
10281
10282 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
10283
10284         * toplev.c (init_asm_output): Remove dead #ifdef.
10285
10286 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
10287
10288         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
10289
10290 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10291
10292         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
10293         accessing DECL_FUNCTION_CODE.
10294         * dojump.c (do_jump): Likewise.
10295         * gimplify.c (gimplify_call_expr): Likewise.
10296         * predict.c (expr_expected_value): Likewise.
10297         (strip_builtin_expect): Likewise.
10298         * tree-inline.c (estimate_num_insns_1): Likewise.
10299         * tree-ssa-loop-im.c (stmt_cost): Likewise
10300         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
10301         (tree_expr_nonnegative_p): Likewise.
10302
10303 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10304
10305         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
10306         variant of the load_pcrel_sym pattern.
10307         * config/sparc/sparc.md (P macro): Move to the top.
10308         (load_pcrel_sym): Macroize using P.
10309         (save_register_window): Likewise.
10310
10311 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
10312
10313         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
10314         ("sordered"): Same.
10315
10316 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
10317
10318         PR C/19472
10319         * c-typeck.c (build_asm_expr): Strip nops off
10320         input memory operands.
10321
10322 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
10323
10324         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
10325         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
10326         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
10327         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
10328
10329 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
10330
10331         PR target/19379
10332         * config/i386/i386.c (override_options): If the 80387 is disabled,
10333         then do not return FP values using FP registers.
10334
10335 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
10336
10337         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
10338         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
10339         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
10340         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
10341         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
10342         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
10343         output.h, postreload-gcse.c, postreload.c, recog.c,
10344         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
10345         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
10346         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
10347         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
10348         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
10349         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
10350         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
10351         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
10352
10353         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
10354         config/alpha/alpha.c, config/arm/vfp.md,
10355         config/i386/emmintrin.h, config/i386/i386-modes.def,
10356         config/i386/i386-protos.h, config/i386/i386.h,
10357         config/i386/pmmintrin.h, config/i386/ppro.md,
10358         config/i386/predicates.md, config/i386/xmmintrin.h,
10359         config/i860/i860.c, config/ia64/ia64-modes.def,
10360         config/ia64/ia64-protos.h, config/ia64/ia64.h,
10361         config/ia64/ia64.md, config/ia64/itanium1.md,
10362         config/ia64/itanium2.md, config/ia64/predicates.md,
10363         config/iq2000/iq2000.h, config/mips/linux64.h,
10364         config/rs6000/aix41.h, config/rs6000/aix43.h,
10365         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
10366         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
10367         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
10368         config/sparc/linux64.h, config/sparc/litecoff.h,
10369         config/sparc/sp64-elf.h, config/sparc/sparc.c,
10370         config/sparc/sparc.h, config/sparc/sparc.md,
10371         config/sparc/sysv4-only.h: Update copyright.
10372
10373 2005-01-18  Richard Henderson  <rth@redhat.com>
10374
10375         PR target/19496
10376         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
10377
10378 2005-01-18  Marc Espie  <espie@openbsd.org>
10379         * config/i386/openbsdelf.h: Typo.
10380
10381 2005-01-18  Richard Henderson  <rth@redhat.com>
10382
10383         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
10384         special case for sse.
10385         * config/i386/predicates.md (sse_comparison_operator): Likewise.
10386
10387 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
10388
10389         * tree-inline.c (estimate_num_insns_1): Added cases for
10390         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
10391
10392 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10393
10394         PR rtl-optimization/19296
10395         * combine.c (simplify_comparison): Rewrite the condition under
10396         which a non-paradoxical SUBREG of a PLUS can be lifted when
10397         compared against a constant.
10398
10399 2005-01-18  Andi Kleen <ak@muc.de>
10400
10401         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
10402         * c.opt (-Wpointer-sign): Add.
10403         * doc/invoke.texi: (-Wpointer-sign): Add.
10404
10405 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10406
10407         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
10408         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
10409         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
10410         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
10411         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
10412         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
10413         for TARGET_MIX_SSE_I387.
10414         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
10415         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
10416         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
10417         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
10418         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
10419         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
10420         TARGET_MIX_SSE_I387.
10421         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
10422         from expander.
10423
10424 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10425
10426         PR target/19424
10427         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
10428         Add movaps alternative for xmm reg->reg move.
10429
10430 2005-01-17  Jeff Law  <law@redhat.com>
10431
10432         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
10433         at the end of the main DOM loop rather than just before DOM exits.
10434
10435 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
10436
10437         PR tree-optimization/19121
10438         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
10439         adding aliases to a name tag, also add them to the pointer's
10440         type tag.
10441         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
10442         sensitive alias info at all.  Only check that the two pointers
10443         have compatible pointed-to sets.
10444         * tree-ssa.c (verify_name_tags): Verify that the alias set of
10445         a pointer's type tag is a superset of the alias set of the
10446         pointer's name tag.
10447
10448 2005-01-17  James E Wilson  <wilson@specifixinc.com>
10449
10450         PR target/19357
10451         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
10452         comment to document why.
10453
10454 2005-01-17  Richard Henderson  <rth@redhat.com>
10455
10456         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
10457         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
10458         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
10459         sse2_vmsminv2df3_finite): New.
10460         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
10461         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
10462         Force op1 into register.
10463
10464 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
10465
10466         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
10467         bubblestrap from always rebuilding build directory.
10468
10469 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
10470
10471         * config/s390/s390.md ("*clc"): Remove incorrect '='.
10472         ("*cmpmem_short"): Likewise.
10473
10474 2005-01-17  Steven Bosscher  <stevenb@suse.de>
10475
10476         * basic-block.h: Document BB_* flags.
10477         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
10478         use an sbitmap instead.
10479         * sched-rgn.c (compute_trg_info): Likewise.
10480
10481 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
10482
10483         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
10484         redundant target_cpu_default and extra_parts lines.  Use the default
10485         "from-abi" ISA.
10486         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
10487         (SUBTARGET_EXTRA_SPECS): Delete.
10488         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
10489         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
10490         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
10491         and "n32" for -mabi=n32.
10492
10493 2005-01-17  Ian Lance Taylor  <ian@airs.com>
10494
10495         PR c/5675
10496         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
10497         fold constant variables into initial values.
10498
10499 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
10500
10501         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
10502
10503         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
10504         through the statements backward.
10505
10506 2005-01-17  Ian Lance Taylor  <ian@airs.com>
10507
10508         PR middle-end/13127:
10509         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
10510         a variable set to the return value of the inlined function.
10511
10512 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
10513
10514         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
10515         when modes are tieable.
10516
10517 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
10518
10519         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
10520         of pthread_create to find out if threads are enabled.
10521         * gthr-posix95.h (__gthread_active_p): Likewise.
10522
10523 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
10524
10525         * common.opt (-fnew-ra): Remove.
10526         * ra*.*: Remove.
10527         * toplev.h (flag_new_regalloc): Remove.
10528         * Makefile.in (ra*.*): Don't mention.
10529         * passes.c (rest_of_handle_new_regalloc): Remove.
10530         (rest_of_handle_combine, rest_of_compilation): Always consider
10531         flag_new_regalloc as false.
10532         * doc/invoke.texi: Don't document -fnew-ra.
10533
10534 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
10535
10536         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
10537         last parameter to reg_scan.
10538         * loop.c (loop_optimize): Likewise.
10539         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
10540         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
10541         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
10542         rest_of_handle_gcse, rest_of_handle_loop_optimize,
10543         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
10544         * regclass.c (reg_scan): Likewise, for the declaration.
10545         * rtl.h (reg_scan): Likewise, for the prototype.
10546
10547 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
10548
10549         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
10550         mark_dfs_back_edges.
10551
10552 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
10553
10554         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
10555         (compute_avail): Uses don't go in tmp_gen.
10556
10557 2005-01-16  Steven Bosscher  <stevenb@suse.de>
10558
10559         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
10560         loop to look for a free slot in a page entry.
10561
10562 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10563
10564         PR target/16304
10565         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
10566         * toplev.c (compile_file): Call process_pending_assemble_output_defs
10567         just before targetm.asm_out.file_end.
10568         * tree.h (process_pending_assemble_output_defs): Declare.
10569         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
10570         New functions.
10571         (assemble_alias): Defer generation of assembly code for defines when
10572         TARGET_DEFERRED_OUTPUT_DEFS is true.
10573         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
10574         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
10575         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
10576
10577 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10578
10579         PR target/19336
10580         * pa.c (pa_scalar_mode_supported_p): New function.
10581         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10582         * pa.h (MIN_UNITS_PER_WORD): Add comment.
10583
10584         * pa-protos.h (prefetch_operand): Delete.
10585         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
10586         * pa.c (prefetch_operand): Delete.
10587         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
10588         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
10589         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
10590         and prefetch_nocc_operand.
10591         * pa.md (prefetch): Rework to avoid reload problems handling short
10592         displacements when a cache control completer needs to be provided.
10593         (prefetch_32, prefetch_64): Delete.
10594         (prefetch_cc, prefetch_nocc): New patterns.
10595
10596 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
10597
10598         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
10599
10600 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10601
10602         PR ada/19388
10603         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
10604         exceeds maximum alignment for global common data.
10605         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
10606         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
10607
10608 2004-01-15  Roger Sayle  <roger@eyesopen.com>
10609
10610         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
10611
10612 2004-01-15  Roger Sayle  <roger@eyesopen.com>
10613
10614         * harg-reg-set.h (reg_class_names): Prototype global array.
10615         * regclass.c (reg_class_names): Declare here and initialize to
10616         REG_CLASS_NAMES.
10617         (dump_regclass): Remove local declaration of reg_class_names.
10618         (regclass): Likewise.
10619         * cfg.c (dump_flow_info): Likewise.
10620         * ra-debug.c (reg_class_names): Likewise.
10621         * regrename.c (reg_class_names): Likewise.
10622         * reload.c (reg_class_names): Likewise.
10623         * reload1.c (spill_failure): Likewise.
10624         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
10625
10626 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
10627
10628         * config/s390/s390.md ("reload_outti"): Remove predicate for
10629         output operand.  Abort if operand is not a MEM.
10630         ("reload_outdi", "reload_outdf"): Likewise.
10631
10632 2005-01-15  Marc Espie  <espie@openbsd.org>
10633
10634         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
10635         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
10636         * config/openbsd.h:  Fix C++ includes for native configurations.
10637         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
10638         Add trampoline support.
10639         * config/i386/openbsdelf.h: New.
10640
10641 2005-01-15  Marc Espie  <espie@openbsd.org>
10642
10643         * collect2.c (main): Explicitly parse -dynamic-linker option.
10644
10645 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
10646
10647         PR tree-optimization/19060
10648         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
10649         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
10650         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
10651         and handle extract_range_from_cond returning false.
10652         * fold-const.c (fold): Optimize comparisons with min/max even for
10653         width > HOST_BITS_PER_WIDE_INT.
10654
10655 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
10656
10657         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
10658         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
10659         Remove little endian multilib variants.
10660         Add mips32 multilib variant.
10661
10662 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
10663
10664         * explow.c (copy_all_reg, stabilize): Remove.
10665         * expr.h: Remove the corresponding prototypes.
10666
10667         * rtlanal.c (regs_set_between_p): Remove.
10668         * rtl.h: Remove the corresponding prototype.
10669
10670 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
10671
10672         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
10673         to rs6000_nonimmediate_operand.
10674         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
10675         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
10676         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
10677         rs6000_nonimmediate_operand.
10678         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
10679         rs6000_nonimmediate_operand.
10680
10681 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
10682
10683         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
10684
10685 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10686
10687         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
10688         on e500v2.
10689         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
10690         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
10691
10692         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
10693         (rs6k_nonimmediate_operand): New.
10694         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
10695         correctly.
10696         (legitimate_lo_sum_address_p): Same.
10697         (rs6000_legitimize_address): Same.
10698         (rs6000_legitimize_reload_address): Same.
10699         (rs6000_legitimate_address): Same.
10700         (spe_build_register_parallel): Pass DF and DC modes in a DI
10701         register.
10702
10703         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
10704         to rs6k_nonimmediate_operand.
10705
10706         * config/rs6000/spe.md ("*frob_df_di"): New.
10707         ("*frob_di_df"): New.
10708         ("*frob_di_df_2"): New.
10709         ("*mov_sidf_e500_subreg0"): New.
10710         ("*mov_sidf_e500_subreg4"): New.
10711         ("*movdf_e500_double"): Change predicate to
10712         rs6k_nonimmediate_operand.
10713
10714 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10715
10716         * postreload.c (move2add_note_store): Only call
10717         trunc_int_for_mode on scalar integers.
10718
10719 2005-01-14  Steven Bosscher  <stevenb@suse.de>
10720
10721         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
10722         replace BB_VISITED uses.
10723         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
10724         (propagate_necessity): Check the bitmap instead of BB_VISITED.
10725         (tree_dce_done): Free visited_control_parents.
10726         (perform_tree_ssa_dce): Allocate and clear it.
10727         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
10728         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
10729         instead of BB_VISITED.
10730
10731 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
10732
10733         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
10734         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
10735         Remove unused prototypes.
10736
10737 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10738
10739         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
10740         64-bit register usage.
10741         (spe_func_has_64bit_regs_p): Add FIXME note.
10742
10743 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10744
10745         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
10746         flag_finite_math_only with flag_unsafe_math_optimizations.
10747
10748 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
10749
10750         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
10751         end-of-stack check.
10752         (__tpf_eh_return): Copy TPF private stack area from the module
10753         boundary stack frame.  Add check for when module addresses are
10754         equal, but no stub address is found.
10755
10756 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
10757
10758         PR target/7525
10759         * arm.h (struct machine_function): Add call_via field.
10760         (thumb_call_via_label): Declare.
10761         * arm.c (thumb_call_via_label): New variable.
10762         (thumb_call_reg_needed): New variable.
10763         (arm_output_function_epilogue): For Thumb code, output any per-function
10764         call-indirect trampolines.
10765         (thumb_call_via_reg): New function.
10766         (arm_file_end): New function.
10767         (TARGET_ASM_FILE_END): Call arm_file_end.
10768         (aof_file_end): Likewise.
10769         * arm-protos.h (thumb_call_via_reg): Declare.
10770         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
10771         thumb_call_via_reg in normal case.
10772
10773 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
10774
10775         PR middle-end/19084
10776         PR rtl-optimization/19348
10777         * recog.c (peephole2_optimize): Do global life update if some peephole
10778         decides it doesn't need at least one of its inputs and that change
10779         influences liveness at the start of the basic block.
10780
10781         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
10782         arguments instead of 1.
10783
10784 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
10785
10786         PR middle-end/18820
10787         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
10788         zero for nested functions needing a static chain or functions
10789         with a non-constant address.
10790
10791 2005-01-13  Roger Sayle  <roger@eyesopen.com>
10792
10793         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
10794         (and (sign_extend X) C) into (zero_extend (and X C)).
10795
10796 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
10797
10798         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
10799
10800 2005-01-13  Richard Henderson  <rth@redhat.com>
10801
10802         PR target/19009
10803         PR target/19250
10804         PR target/19252
10805         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
10806         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
10807         not just TARGET_SSE.
10808         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
10809         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
10810         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
10811         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
10812         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
10813         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
10814         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
10815         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
10816         (movdicc_c_rex64): Rename with '*'.
10817         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
10818         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
10819         (movsfcc_1_387): Rename from movsfcc_1.
10820         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
10821         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
10822         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
10823         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
10824         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
10825         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
10826         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
10827         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
10828         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
10829         sse_movdfcc_const0_4): Remove.
10830         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
10831         recognize min/max early.  Update for changed sse cmove patterns.
10832         (ix86_split_sse_movcc): New.
10833         * config/i386/i386-protos.h: Update.
10834
10835 2005-01-13  Steven Bosscher  <stevenb@suse.de>
10836
10837         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
10838         (fix_stmt_v_may_defs): Likewise.
10839
10840 2005-01-13  Richard Henderson  <rth@redhat.com>
10841
10842         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
10843         for converting the mask.
10844
10845 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
10846
10847         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
10848         definition to 600.
10849
10850 2005-01-13  Richard Henderson  <rth@redhat.com>
10851
10852         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
10853         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
10854         IX86_BUILTIN_MOVDQ2Q): Remove.
10855         (IX86_BUILTIN_VEC_EXT_V4SI): New.
10856         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
10857         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
10858         shuffling.
10859         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
10860         (sse2_pextrw): Fix immediate constraint.
10861         (sse2_loadq, sse2_loadq_rex64): Remove.
10862         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
10863         Use __builtin_ia32_vec_ext_<size>.
10864         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
10865
10866 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
10867
10868         * function.c (assign_parm_setup_block): Look inside original
10869         entry_parm when inspecting PARALLEL.
10870
10871 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
10872             Joel Sherrill  <joel@oarcorp.com>
10873
10874         PR target/19399
10875         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
10876         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
10877         rtems_gxx_recursive_mutex_init.
10878         (__gthread_recursive_mutex_lock): New function.
10879         (__gthread_recursive_mutex_trylock): Likewise.
10880         (__gthread_recursive_mutex_unlock): Likewise.
10881
10882 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
10883
10884         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
10885
10886 2005-01-13  Jan Beulich  <jbeulich@novell.com>
10887
10888         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
10889         (ashrti3_internal): Indicate output is early clobber. Generate result
10890         into output rather than first input. Use move for low word of output
10891         if shift count is exactly 64.
10892         (lshrti3_internal): Likewise.
10893
10894 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
10895
10896         PR target/18329
10897         PR target/18330
10898         * reload1.c (delete_output_reload): Don't delete an output reload
10899         if the pseudo lives longer than a single basic block.  Adjust and
10900         improve wording of comment.
10901
10902 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
10903
10904         PR target/19334
10905         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
10906         of TYPE_SIZE where we mean the number of bytes.
10907
10908 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
10909
10910         * function.c (assign_parm_setup_block): Relax condition on
10911         multi-register optimization.
10912
10913 2005-01-12  Nick Clifton  <nickc@redhat.com>
10914
10915         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
10916         an "in_delay_slot" attribute of "no" to prevent them being used in
10917         delay slots.  This is forbidden because they might generate
10918         exceptions.
10919
10920 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
10921
10922         PR target/19389
10923         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
10924         with r->Y and Y->r.
10925
10926 2005-01-12  Nick Clifton  <nickc@redhat.com>
10927
10928         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
10929         passed on to GAS) but do not define, as GAS no longer supports or
10930         needs the -m2000 option.
10931
10932 2005-01-11  Roger Sayle  <roger@eyesopen.com>
10933
10934         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
10935         type as args of unprototyped builtins aren't automatically promoted.
10936         (fold_builtin_abs): Likewise.
10937
10938 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10939
10940         * Makefile.in: Set a `build-warn' variable.
10941
10942 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
10943
10944         PR tree-optimization/17949
10945         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
10946         (find_interesting_uses_address): Use it.
10947
10948 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
10949
10950         * regrename.c (kill_value): Handle subreg's that won't simplify.
10951
10952 2005-01-11  Richard Henderson  <rth@redhat.com>
10953
10954         PR target/13366
10955         * config/i386/i386.h (enum ix86_builtins): Move ...
10956         * config/i386/i386.c: ... here.
10957         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
10958         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
10959         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
10960         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
10961         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
10962         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
10963         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
10964         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
10965         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
10966         IX86_BUILTIN_LOADDDUP): Remove.
10967         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
10968         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
10969         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
10970         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
10971         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
10972         (ix86_init_builtins): Make static.
10973         (ix86_init_mmx_sse_builtins): Update for changed builtins.
10974         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
10975         if all the modes match.  Otherwise, fake it.
10976         (get_element_number, ix86_expand_vec_init_builtin,
10977         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
10978         (ix86_expand_builtin): Make static.  Update for changed builtins.
10979         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
10980         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
10981         (ix86_expand_vector_init_duplicate): New.
10982         (ix86_expand_vector_init_low_nonzero): New.
10983         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
10984         Split out from ix86_expand_vector_init; handle integer modes.
10985         (ix86_expand_vector_init): Use them.
10986         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
10987         * config/i386/i386-protos.h: Update.
10988         * config/i386/predicates.md (reg_or_0_operand): New.
10989         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
10990         (movv2sf_internal): Likewise.  And a splitter to match them all.
10991         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
10992         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
10993         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
10994         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
10995         (mmx_pinsrw): Fix operand ordering.
10996         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
10997         rather than sse_loadss expander.
10998         (movv2df splitter): Similarly.
10999         (sse_loadss, sse_loadlss): Remove.
11000         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
11001         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
11002         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
11003         (sse3_movddup): Rename with '*'.
11004         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
11005         (sse2_loadsd): Remove.
11006         (vec_dupv2df_sse3): Rename from sse3_loadddup.
11007         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
11008         (sse2_pinsrw): Fix argument ordering.
11009         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
11010         (sse2_stored): Remove 'r' destination.
11011         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
11012         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
11013         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
11014         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
11015         vec_extractv16qi, vec_initv16qi): New.
11016
11017         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
11018         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
11019         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
11020         constructor form.
11021         (_mm_load_pd, _mm_store_pd): Use plain dereference.
11022         (_mm_load_si128, _mm_store_si128): Likewise.
11023         (_mm_load1_pd): Use _mm_set1_pd.
11024         (_mm_load_sd): Use _mm_set_sd.
11025         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
11026         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
11027         (_mm_set_epi64): Use _mm_set_epi64x.
11028         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
11029         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
11030         _mm_setr_epi8): Use _mm_set_foo form.
11031         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
11032         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
11033         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
11034         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
11035         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
11036         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
11037         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
11038         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
11039         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
11040         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
11041         (_mm_movedup_pd): Use _mm_shuffle_pd.
11042         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
11043         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
11044         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
11045         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
11046         Use _mm_setzero_ps.
11047         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
11048         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
11049         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
11050         (_mm_store_ps): Use raw dereference.
11051         (_mm_store1_ps): Use _mm_storeu_ps.
11052         (_mm_storer_ps): Use _mm_store_ps.
11053         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
11054         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
11055
11056 2005-01-11  Stan Shebs  <shebs@apple.com>
11057
11058         * config/rs6000/rs6000.c (machopic_output_stub): Issue
11059         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
11060
11061 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
11062
11063         PR target/18761
11064         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
11065         Skip all DECLs except for FIELD_DECLs.
11066
11067 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11068
11069         * config/s390/s390.c (override_options): Return error if
11070         -mbackchain, -mpacked-stack and -mhard-float are used together.
11071         (s390_va_start): Remove the backchain && packed-stack special case.
11072         (s390_gimplify_va_arg): Likewise.
11073         * doc/invoke.texi: Remove the ABI incompatibility note.
11074
11075 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11076
11077         * config/s390/s390.c (struct s390_frame_layout): Remove
11078         save_backchain_p.
11079         (s390_frame_info, s390_emit_prologue): Replace occurrences of
11080         save_backchain_p with TARGET_BACKCHAIN.
11081
11082 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11083
11084         PR target/18916
11085         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
11086         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
11087         * function.c (locate_and_pad_parm): Set new field.
11088         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
11089         Tweak where_pad test to include "none".  Always set mem align for
11090         stack_parm.
11091         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
11092         not sufficient for type.
11093         (assign_parm_setup_block): If stack_parm is zero on entry, always
11094         make a new stack local.  Block move old stack parm if necessary
11095         to new aligned stack local.
11096         (assign_parm_setup_stack): Use a block move to handle
11097         potentially misaligned entry_parm.
11098         (assign_parms_unsplit_complex): Specify required alignment when
11099         creating stack local.
11100         * calls.c (compute_argument_addresses): Override alignment of stack
11101         arg calculated from its type with the alignment given by
11102         FUNCTION_ARG_BOUNDARY.
11103         (store_one_arg): Likewise.
11104
11105 2005-01-11  Jan Beulich  <jbeulich@novell.com>
11106
11107         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
11108         Change respective itanium_class attribute to ialu.
11109         (shladdp4_internal): New.
11110         * config/ia64/predicates.md (shladd_log2_operand): New.
11111
11112 2005-01-11  Richard Henderson  <rth@redhat.com>
11113
11114         * expr.c (store_constructor): Use rtvec_alloc instead of
11115         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
11116
11117 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
11118
11119         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
11120
11121 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11122
11123         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
11124         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
11125         (TARGET_RWRELOC): Define.
11126         (ia64_rwreloc_section_type_flags): Delete.
11127         (ia64_section_type_flags): New function.
11128         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
11129         (TARGET_RWRELOC): Define.
11130
11131 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
11132
11133         PR target/18987
11134         * config/ia64/ia64.c (process_set): For alloc insn, only call
11135         process_epilogue is !frame_pointer_needed.
11136
11137 2005-01-10  Roger Sayle  <roger@eyesopen.com>
11138
11139         PR c++/19355
11140         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
11141         unary operator and can't be treated as a binary/comparison operator.
11142
11143 2005-01-10  Richard Henderson  <rth@redhat.com>
11144
11145         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
11146         (ix86_return_in_memory): Likewise.
11147         (function_arg_advance):  Likewise.  Mirror structure in function_arg
11148         for choosing register to advance.
11149
11150 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
11151
11152         * tree-vectorizer.c, tree.def: Fix comment typos.
11153
11154 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
11155
11156         * config/s390/s390.c (struct processor_costs): 4 new fields:
11157         ddbr, ddr, debr, der.
11158         (s390_rtx_costs): More precise handling of divide instructions.
11159
11160 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
11161
11162         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
11163
11164 2005-01-10  Jan Beulich  <jbeulich@novell.com>
11165
11166         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
11167         names resulting from -ffunction-sections/-fdata-sections and linkonce
11168         ones.
11169         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
11170         based on the section name. Rearrange the section name comparison logic
11171         slightly so that each section name is compared against at most once.
11172
11173 2005-01-10  Ben Elliston  <bje@au.ibm.com>
11174
11175         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
11176         targets for which -fPIC reduces limitations on the GOT size.
11177
11178 2005-01-09  Falk Hueffner  <falk@debian.org>
11179
11180         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
11181         X/C1 cmpop C2.
11182
11183 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
11184
11185         PR target/18720
11186         * collect2.c (main): Set aixrtl_flag for -brtl option.
11187         (resolve_lib_name): Search for .so file extension before .a
11188         if aixrtl_flag set.
11189
11190 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
11191
11192         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
11193         (vect_analyze_data_refs_alignment): Add dump prints.
11194
11195 2005-01-09  Ira Rosen  <irar@il.ibm.com>
11196
11197         * tree-vectorizer.c (vect_analyze_offset_expr): Use
11198         expr_invariant_in_loop_p.
11199         Initialize outputs first thing in the function.
11200         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
11201         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
11202         (vect_analyze_pointer_ref_access): Check that the initial condition of
11203         the access function is loop invariant.
11204
11205 2005-01-09  Richard Henderson  <rth@redhat.com>
11206
11207         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
11208         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
11209         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
11210         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
11211         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
11212         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
11213         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
11214         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
11215         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
11216         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
11217         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
11218         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
11219         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
11220         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
11221         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
11222         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
11223         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
11224         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
11225         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
11226         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
11227         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
11228         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
11229         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
11230         mmx_ prefix.
11231         (mmx_clrdi, pavgusb): Remove.
11232         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
11233         with leading sse_ prefix.
11234         * config/i386/sse.md: Receive them.
11235         * config/i386/mmx.md: New file.
11236         (MMXMODE12, MMXMODE24, mmxvecsize): New.
11237         (subrv2sf3): Turn into expander for normal subtraction.
11238         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
11239         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
11240         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
11241         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
11242         commutative; use ix86_binary_operator_ok.
11243         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
11244         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
11245         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
11246         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
11247         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
11248         Macroize from existing patterns; use ix86_binary_operator_ok.
11249         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
11250         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
11251         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
11252         with vec_select+vec_concat.
11253         (mmx_pshufw, mmx_pshufw_1): Likewise.
11254         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
11255         (mmx_uavgv4hi3): Model correctly.
11256         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
11257         _mm_xor_si64): Remove casts.
11258
11259 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
11260
11261         PR tree-optimization/19224
11262         * tree-scalar-evolution.c (get_instantiated_value,
11263         set_instantiated_value): New functions.
11264         (instantiate_parameters_1): Cache the results.
11265         (instantiate_parameters, resolve_mixers): Initialize and free
11266         the cache.
11267
11268 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
11269
11270         * config/i386/i386.md (addhi_4): Correct reference in comment.
11271         (addqi_4): Same.
11272
11273 2005-01-08  Richard Henderson  <rth@redhat.com>
11274
11275         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
11276         (_mm_cvtsi128_si64x): Likewise.
11277         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
11278         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
11279         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
11280         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
11281         * config/i386/i386-protos.h: Update.
11282         * config/i386/i386.c (print_operand): Add 'H'.
11283         (ix86_fixup_binary_operands): Split out from ...
11284         (ix86_expand_binary_operator): ... here.
11285         (ix86_fixup_binary_operands_no_copy): New.
11286         (ix86_expand_fp_absneg_operator): Handle vector mode results.
11287         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
11288         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
11289         (safe_vector_operand): Use CONST0_RTX.
11290         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
11291         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
11292         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
11293         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
11294         special cases.
11295         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
11296         (IX86_BUILTIN_CMPNGESS): New.
11297         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
11298         (attr type): Add sselog1.
11299         (attr unit, attr memory): Handle it.
11300         (movti, movti_internal, movti_rex64): Move near other integer moves.
11301         (movtf, movtf_internal): Move near other fp moves.
11302         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
11303         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
11304         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
11305         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
11306         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
11307         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
11308         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
11309         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
11310         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
11311         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
11312         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
11313         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
11314         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
11315         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
11316         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
11317         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
11318         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
11319         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
11320         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
11321         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
11322         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
11323         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
11324         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
11325         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
11326         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
11327         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
11328         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
11329         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
11330         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
11331         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
11332         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
11333         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
11334         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
11335         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
11336         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
11337         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
11338         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
11339         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
11340         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
11341         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
11342         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
11343         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
11344         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
11345         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
11346         same time.
11347         (SSEPUSH, push<SSEPUSH>): Remove.
11348         (MMXPUSH, push<MMXPUSH>): Remove.
11349         (sse_movaps, sse_movaps_1, sse_movups): Remove.
11350         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
11351         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
11352         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
11353         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
11354         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
11355         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
11356         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
11357         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
11358         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
11359         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
11360         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
11361         (ppro_sse_log_V4SF): Handle sselog1.
11362         * config/i386/predicates.md (const_0_to_1_operand): New.
11363         (const_0_to_255_mul_8_operand): New.
11364         (const_1_to_31_operand): Rename from const_int_1_31_operand.
11365         (const_2_to_3_operand, const_4_to_7_operand): New.
11366         * config/i386/sse.md: New file.
11367         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
11368         (sse_movups): Rename from sse_movups_1.
11369         (sse_loadlss): Rename from sse_loadss_1.
11370         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
11371         from the name.
11372         (negv4sf2): Use ix86_expand_fp_absneg_operator.
11373         (absv4sf2, negv2df, absv2df): New.
11374         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
11375         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
11376         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
11377         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
11378         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
11379         (sse3_addsubv4sf3): Model correctly.
11380         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
11381         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
11382         (sse_movhlps): Model with vec_select+vec_concat.
11383         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
11384         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
11385         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
11386         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
11387         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
11388         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
11389         sse2_pshufhw_1): Likewise.
11390         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
11391         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
11392         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
11393         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
11394         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
11395         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
11396         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
11397         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
11398         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
11399         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
11400         sminv8hi3): Mark commutative
11401         operands.  Use ix86_binary_operator_ok.
11402         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
11403         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
11404         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
11405         sse2_punpcklqdq): Allow operand2 in memory.
11406         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
11407         sse2_movsd): Add memory alternatives.
11408         (sse_storelps): Turn expander into an insn; split after reload.
11409         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
11410         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
11411
11412 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
11413
11414         * configure.ac (DWARF-2 debug_line): Use objdump.
11415         * configure: Regenerate.
11416
11417 2005-01-08  Jeff Law  <law@redhat.com>
11418             Diego Novillo  <dnovillo@redhat.com>
11419
11420         PR tree-optimization/18241
11421         * tree-nrv.c (tree_nrv): Ignore volatile return values.
11422         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
11423         statements with volatile operands.
11424         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
11425         operands after marking a statement with has_volatile_ops.
11426
11427 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11428
11429         * tree.c (int_fits_type_p): Always honor integer constant
11430         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
11431
11432 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11433
11434         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
11435         the latent bug in rtl_delete_block has been resolved.
11436
11437 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
11438
11439         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
11440         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
11441
11442 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
11443
11444         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
11445         library as @multilib_dir@/$(SHLIB_SONAME).
11446
11447 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
11448
11449         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
11450         * configure: Regenerate.
11451
11452 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
11453
11454         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
11455         TYPE_MODE.
11456
11457 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
11458
11459         PR target/13674
11460         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
11461         Convert non-word aligned offset address using ld/std into
11462         indirect address.
11463
11464 2005-01-07  Richard Henderson  <rth@redhat.com>
11465
11466         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
11467
11468 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
11469
11470         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
11471
11472 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
11473
11474         PR tree-optimization/19283
11475         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
11476         is not shorter than the original type.
11477
11478         PR rtl-optimization/19012
11479         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
11480
11481         PR rtl-optimization/18861
11482         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
11483         (FULL_STATE): Define.
11484         (mark_tablejump_edge): New function.
11485         (purge_dead_tablejump_edges): New function.
11486         (find_bb_boundaries): Use it.
11487
11488         PR tree-optimization/18828
11489         * builtins.c (expand_builtin_next_arg): Remove argument and all
11490         the argument checking.
11491         (expand_builtin): Adjust caller.
11492         (expand_builtin_va_start): Likewise.  Remove error for too many
11493         arguments.
11494         (fold_builtin_next_arg): Issue error for too many arguments.
11495         After checking arguments, replace them with magic arguments that
11496         prevent further checking of the args.
11497
11498 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11499
11500         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
11501
11502 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11503
11504         PR target/6077
11505         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
11506         and %{.S:...} (and their negative variants) to test whether the
11507         input file is assembler or pre-processed-assembler independent of
11508         the actual filename extension.
11509
11510 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11511
11512         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
11513         of sign or zero extended values.
11514
11515 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
11516
11517         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
11518         for IBM long double format correctly.
11519
11520 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
11521
11522         Fix PR tree-optimization/18792
11523
11524         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
11525         to first_loop_depth, and use loop depth instead of loop number.
11526         (build_classic_dir_vector): Ditto.
11527         (compute_data_dependences_for_loop): Use depth, not loop number.
11528         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
11529         number. Pass in loops, instead of loop numbers.
11530         (gather_interchange_stats): Ditto.
11531         (linear_transform_loops): Ditto.
11532
11533 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
11534
11535         PR rtl-opt/13299
11536         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
11537         biv_fits_mode_p, extension_within_bounds_p): New functions.
11538         (check_ext_dependent_givs): Use them.
11539
11540 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11541
11542         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
11543         more than one barrier, in which case we should delete them all.
11544
11545 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
11546
11547         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
11548
11549 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
11550
11551         Fix PR middle-end/19286
11552         Fix PR debug/19267
11553         * dwarf2out.c (gen_subprogram_die): If we've already tried to
11554         output this subprogram, simply ignore this attempt to do it again.
11555         (add_abstract_origin_attribute): Don't abort trying to add the abstract
11556         origin attribute if it's not possible.
11557         (gen_block_die): Don't ignore subblocks of "unused" blocks.
11558         (decls_for_scope): Ditto.
11559         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
11560         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
11561
11562 2005-01-05  Richard Henderson  <rth@redhat.com>
11563
11564         PR target/11327
11565         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
11566         (bdesc_2arg): Use it.
11567         (ix86_expand_binop_builtin): Force operands into registers
11568         when optimizing.
11569         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
11570         ix86_expand_sse_compare, ix86_expand_sse_comi,
11571         ix86_expand_builtin): Likewise.
11572
11573 2005-01-05  Richard Henderson  <rth@redhat.com>
11574
11575         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
11576         and VEC_SELECT.
11577         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
11578         (mulv4hi3): Set itanium_class mmmul.
11579         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
11580         (fpack): Rename from fpack_sfsf.
11581
11582 2005-01-05  Richard Henderson  <rth@redhat.com>
11583
11584         PR rtl-opt/10692
11585         * reload1.c (do_input_reload): Restrict the optimization deleteing
11586         a previous output reload to RELOAD_FOR_INPUT.
11587
11588 2005-01-05  Steven Bosscher  <stevenb@suse.de>
11589
11590         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
11591         comment that we fall through after case.
11592         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
11593         (distribute_links): Likewise.
11594         * cse.c (cse_insn): Likewise.
11595         * cselib.c (cselib_invalidate_mem): Likewise.
11596         * df.c: Update comments at the top of the file.
11597         (read_modify_subreg_p): Update comments here too.
11598         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
11599         * flow.c (mark_set_1): Likewise.
11600         (mark_used_regs): Likewise.
11601         * gcse.c (mems_conflict_for_gcse_p): Likewise.
11602         (canon_list_insert): Likewise.
11603         (mark_set): Likewise.
11604         (try_replace_reg): Likewise.
11605         (store_killed_in_insn): Likewise.
11606         * loop.c (count_one_set): Likewise.
11607         (basic_induction_var): Likewise.
11608         * postreload-gcse.c (find_mem_conflicts): Likewise.
11609         * postreload.c (reload_combine_note_store): Likewise.
11610         (move2add_note_store): Likewise.
11611         * reload.c (find_equiv_reg): Likewise.
11612         (mark_referenced_resources): Likewise.
11613         * rtlanal.c (set_noop_p): Likewise.
11614         (note_stores): Likewise.
11615         (note_uses): Likewise.
11616         * sched-deps.c (sched_analyze_1): Likewise.
11617         * sched-rgn.c (check_live_1): Likewise.
11618         (update_live_1): Likewise.
11619         * config/i860/i860.c: Likewise.
11620
11621         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
11622         an lvalue.
11623         (ZERO_EXTRACT): Mention that this one can be an lvalue.
11624
11625         * doc/rtl.texi: Update documentation for bit-fields and SET.
11626
11627 2005-01-05  Roger Sayle  <roger@eyesopen.com>
11628
11629         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
11630
11631 2005-01-05  Jan Hubicka  <jh@suse.cz>
11632             Richard Henderson  <rth@redhat.com>
11633
11634         PR target/18910
11635         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
11636         with an offset.
11637
11638 2005-01-05  Richard Henderson  <rth@redhat.com>
11639
11640         PR target/12902
11641         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
11642         (sse_shufps): Change operand 3 to const_int_operand.
11643         (sse2_storelps): Fix typo in template.
11644         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
11645         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
11646         (ix86_expand_builtin): Likewise.
11647
11648 2005-01-05  Julian Brown  <julian@codesourcery.com>
11649
11650         * config/arm/arm.c (arm_return_in_memory): Treat complex types
11651         as aggregates for AAPCS ABIs.
11652
11653 2005-01-05  Stan Shebs  <shebs@apple.com>
11654
11655         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
11656         Mach-O getters if ppc64.
11657         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
11658         size argument.
11659         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
11660         signed four-byte field for global code case.
11661         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
11662
11663 2005-01-05  Roger Sayle  <roger@eyesopen.com>
11664
11665         PR middle-end/19100
11666         * c-common.c: Include real.h.
11667         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
11668         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
11669         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
11670         * Makefile.in (c-common.o): Update dependencies.
11671
11672 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
11673
11674         * c-parse.in (asm_string): Add trailing semicolon.
11675
11676 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
11677
11678         * c-parse.in (asm_string): New.  Don't allow wide strings in
11679         'asm'.
11680         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
11681         asm_string instead of STRING.
11682
11683 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
11684
11685         * c-typeck.c (constructor_no_implicit): Remove.
11686         (set_designator, process_init_element): Don't check
11687         constructor_no_implicit.
11688
11689 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
11690             Kaz Kojima  <kkojima@gcc.gnu.org>
11691
11692         PR target/16482
11693         * lcm.c (create_pre_exit): New.
11694         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
11695         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
11696
11697 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
11698
11699         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
11700         -msoft-float in target_float_switch.
11701         * arm.c (arm_override_options): Fix processing of target_float_switch.
11702
11703 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
11704
11705         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
11706         preferencing.
11707
11708 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
11709
11710         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
11711         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
11712
11713 2005-01-04  Roger Sayle  <roger@eyesopen.com>
11714
11715         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
11716         if deleting the then-block allows the test-block to fallthru to the
11717         else-block.
11718
11719 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
11720
11721         PR c/19152
11722         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
11723         after the full declaration if the are in two different TUs.
11724
11725 2005-01-04  Richard Henderson  <rth@redhat.com>
11726
11727         PR tree-opt/19158
11728         * tree-sra.c (generate_one_element_init): Just
11729         call gimplify_and_add.
11730         (generate_element_init): Record the
11731         new referenced variables and mark them for renaming
11732         and split out to ...
11733         (generate_element_init_1): This.
11734         (scalarize_init): Don't call push_gimplify_context/
11735         pop_gimplify_context.
11736
11737 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
11738
11739         * toplev.c (get_src_pwd): Handle failure of getpwd().
11740
11741 2005-01-04  Roger Sayle  <roger@eyesopen.com>
11742
11743         * fold-const.c (fold_single_bit_test): Delete unreachable handling
11744         of TRUTH_NOT_EXPR.
11745         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
11746         all the cases handled by it are inverted by invert_truthvalue.
11747
11748 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11749
11750         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
11751         (save_register_windowsi): Likewise.
11752
11753 2005-01-04  Richard Henderson  <rth@redhat.com>
11754
11755         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
11756
11757 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
11758
11759         PR middle-end/17767
11760         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
11761         any simplifications of vector mode comparison operators.
11762         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
11763
11764 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
11765             Devang Patel  <dpatel@apple.com>
11766
11767         PR tree-optimization/18308
11768         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
11769         the operands before creating a new expression.
11770         * dojump.c (do_jump): Make drop_through_label available
11771         for all cases.  Add expansion of COND_EXPR.
11772
11773 2005-01-04  Ira Rosen  <irar@il.ibm.com>
11774
11775         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
11776         INTEGER_CST instead of TREE_CONSTANT.
11777         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
11778         instead of TREE_CONSTANT.
11779         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
11780         instead of TREE_CONSTANT.
11781
11782 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11783
11784         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
11785
11786 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
11787
11788         PR target/19240
11789         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
11790         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
11791
11792 2005-01-03  Richard Henderson  <rth@redhat.com>
11793
11794         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
11795         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
11796         fold_convert_const_real_from_real): Split out from ...
11797         (fold_convert_const): ... here.
11798
11799 2005-01-03  Richard Henderson  <rth@redhat.com>
11800
11801         PR target/19235
11802         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
11803         (mov<MMXMODEI>_internal): Likewise.
11804         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
11805         Add V2SF case; use it for SSE1; don't use TI.
11806         (movdf_integer): Likewise.
11807         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
11808
11809 2005-01-03  Ira Rosen  <irar@il.ibm.com>
11810
11811         * tree-vectorizer.c (vect_strip_conversions): New function.
11812         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
11813         check for binary class.
11814
11815 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
11816
11817         Fix PR debug/17924
11818         Fix PR debug/19191
11819         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
11820         is a decl.
11821         * gimple-low.c (mark_blocks_with_used_vars): New function.
11822         (mark_blocks_with_used_subblocks): Ditto.
11823         (mark_used_blocks): Ditto.
11824         (pass_mark_used_blocks): New pass.
11825         * tree-inline.c: Include debug.h.
11826         (expand_call_inline): Call outlining_inline_function here.
11827         * tree-optimize.c (init_tree_optimization_passes): Add
11828         pass_mark_used_blocks.
11829         * tree-pass.h (pass_mark_used_blocks): New.
11830         * Makefile.in (tree-inline.o): Add debug.h dependency.
11831
11832 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
11833
11834         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
11835         VAR_DECLs to have weak_import attribute.
11836
11837         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
11838         'struct ucontext'.
11839
11840 2004-01-03  Steven Bosscher  <stevenb@suse.de>
11841
11842         * passes.c (rest_of_compilation): Don't run regmove if only
11843         flag_expensive_optimizations, require flag_regmove instead.
11844
11845 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
11846
11847         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
11848         register "sparc".
11849         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
11850         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11851         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
11852         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11853
11854 2005-01-03  Richard Henderson  <rth@redhat.com>
11855
11856         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
11857         (ia64_const_ok_for_letter_p): New.
11858         (ia64_const_double_ok_for_letter_p): New.
11859         (ia64_extra_constraint): New.
11860         (ia64_expand_vecint_compare): New.
11861         (ia64_expand_vcondu_v2si): New.
11862         (ia64_expand_vecint_cmov): New.
11863         (ia64_expand_vecint_minmax): New.
11864         (ia64_print_operand): Add 'v'.
11865         (ia64_preferred_reload_class): New.
11866         (ia64_vector_mode_supported_p): New.
11867         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
11868         (PREFERRED_RELOAD_CLASS): Move to function.
11869         (CONST_OK_FOR_LETTER_P): Move to function.
11870         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
11871         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
11872         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
11873         (EXTRA_CONSTRAINT): Move to function.
11874         * config/ia64/ia64.md: Include vect.md.
11875         (itanium_class): Add mmalua.
11876         (type): Handle it.
11877         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
11878         (1b_mmalua): New.
11879         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
11880         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
11881         CONST0_RTX.
11882         (const_int_2bit_operand): New.
11883         (fr_reg_or_0_operand): New.
11884         * config/ia64/ia64-modes.def: Add vector modes.
11885         * config/ia64/ia64-protos.h: Update.
11886         * config/ia64/vect.md: New file.
11887
11888 2005-01-03  Richard Henderson  <rth@redhat.com>
11889
11890         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
11891
11892 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
11893
11894         PR target/19236
11895         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
11896         to SFmode.
11897         (log1pdf2): Change mode of operands[0,1] to DFmode.
11898
11899 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
11900
11901         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
11902         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
11903         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
11904         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
11905         SPARC_RELAXED_ORDERING.
11906
11907 2005-01-03  Richard Henderson  <rth@redhat.com>
11908             Uros Bizjak  <uros@kss-loka.si>
11909
11910         PR target/14631
11911         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
11912         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
11913         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
11914         handling.
11915         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
11916         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
11917         const_pow2_1_to_128_operand): New predicates.
11918
11919 2005-01-02  Greg McGary  <greg@mcgary.org>
11920
11921         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
11922         anonymous decls.
11923         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
11924         object.  [ptr_type]: Remove unused variable.
11925         Remember nearest addressable array-element or record-component
11926         when checking bitfield components.  Tolerate empty BIND_EXPR.
11927
11928 2005-01-01  Richard Henderson  <rth@redhat.com>
11929
11930         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
11931         that don't narrow the value.  Fail for other conversions.
11932
11933 2005-01-01  Richard Henderson  <rth@redhat.com>
11934
11935         PR c/19031
11936         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
11937         * c-lang.c (finish_file): Don't do it here.
11938         * objc/objc-act.c (objc_finish_file): Likewise.
11939
11940         * cgraph.c (decl_assembler_name_equal): New.
11941         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
11942         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
11943         * cgraph.h (struct cgraph_varpool_node): Add next.
11944         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
11945         * varasm.c (assemble_alias): Mark the target as needed.
11946
11947 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
11948
11949         PR middle-end/19221
11950         * function.c (get_arg_pointer_save_area): Use entry_of_function
11951         instead of get_insns.
11952
11953 2005-01-01  Roger Sayle  <roger@eyesopen.com>
11954             Andrew Pinski  <pinskia@physics.uc.edu>
11955             James E. Wilson  <wilson@specifixinc.com>
11956
11957         PR rtl-optimization/12092
11958         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
11959         is zero.
11960
11961 2005-01-01  Roger Sayle  <roger@eyesopen.com>
11962             Olivier Hainque  <hainque@act-europe.fr>
11963
11964         * tree.c (int_fits_type_p): A narrower type always fits in a
11965         wider one, except for negative values into unsigned types.
11966
11967 2005-01-01  Roger Sayle  <roger@eyesopen.com>
11968
11969         * tree.c (int_fits_type_p): Compare the result of force_fit_type
11970         with the original constant rather than require TREE_OVERFLOW.
11971
11972 2005-01-01  Steven Bosscher  <stevenb@suse.de>
11973
11974         PR middle-end/17544
11975         * c-decl.c (finish_function): If compiling C99, annotate the
11976         compiler generated return with the current file name and line 0.
11977         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
11978         the source line is greater than 0.
11979         (remove_bb): Likewise.