OSDN Git Service

16653538d8c48a0a269809817018aff52f8eeca2
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-04-13  Devang Patel  <dpatel@apple.com>
2
3         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
4         temp variables.
5         
6 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
7
8         CRIS prologue as RTL.
9         * config/cris/cris-protos.h (cris_emit_movem_store)
10         (cris_expand_prologue): Prototype.
11         * config/cris/cris.c (struct machine_function): New member
12         stdarg_regs.
13         (cfa_label_num, cris_target_asm_function_prologue): Remove.
14         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
15         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
16         (cris_load_multiple_op, cris_return_address_on_stack)
17         (cris_return_address_on_stack_for_return): ISO-Cify.
18         (cris_store_multiple_op): New predicate function.
19         (cris_expand_prologue, cris_emit_movem_store): New functions.
20         (cris_print_operand) <case 'O'>: Handle modifications other than
21         post-increment.
22         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
23         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
24         (cris_gen_movem_load): Rearrange slightly to make local variable
25         src a parameter, removing osrc.
26         (cris_setup_incoming_varargs): Set machine_function member
27         stdarg_regs to correspond to the number of registers that need to
28         be saved.
29         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
30         CRIS_UNSPEC_GOT.
31         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
32         cris_general_operand_or_gotless_symbol accept UNSPEC.
33         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
34         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
35         ("*cris_store_multiple"): New pattern.  Tweak common comment above
36         this and "*cris_load_multiple".
37         ("prologue"): New define_expand.
38
39         * config/cris/cris.md ("epilogue"): Conditionalize on
40         TARGET_PROLOGUE_EPILOGUE.
41
42 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
43
44         PR target/20924
45         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
46         fpsr 0 instead of fpsr 1.
47         (divsf3_internal_thr): Ditto.
48         (divdf3_internal_lat): Ditto.
49         (divdf3_internal_thr): Ditto.
50         (divxf3_internal_lat): Ditto.
51         (divxf3_internal_thr): Ditto.
52
53 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
54
55         PR tree-optimization/20913
56         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
57
58         PR tree-optimization/20702
59         * tree-vrp.c (maybe_add_assert_expr): Recurse into
60         dominator children that haven't been walked into.
61
62 2005-04-13  Julian Brown  <julian@codesourcery.com>
63
64         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
65         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
66         is true. 
67
68 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
69
70         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
71         config/i386/sse.md: Fix comment typos.
72
73         * genattrtab.c (NULL_ATTR): Remove.
74         * ifcvt.c (NULL_EDGE): Likewise.
75
76         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
77
78         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
79         NOTE_PREDICT): Remove.
80
81 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
82
83         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
84         * configure: Regenerate.
85         * config.in: Likewise.
86         * system.h: Declare vsnprintf if not already declared.
87
88 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
89
90         * optc-gen.awk: Handle stand-alone Mask records.
91         * opth-gen.awk: Likewise.
92         * doc/options.texi (Option file format): Document them.
93         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
94         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
95         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
96         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
97         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
98         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
99         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
100         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
101         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
102         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
103         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
104         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
105         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
106         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
107         TARGET_LONG_DOUBLE_128): Likewise.
108         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
109         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
110         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
111         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
112         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
113         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
114         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
115         * config/sparc/sparc.c (fpu_option_set): New global.
116         (sparc_handle_option): New function.
117         (sparc_override_options): Test fpu_option_set.
118         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
119         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
120         * config/sparc/sparc.opt: New file.
121         * config/sparc/little-endian.opt: Likewise.
122         * config/sparc/long-double-switch.opt: Likewise.
123
124 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
125
126         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
127         (bfin_handle_options): Set it if -mshared-library-id= is seen.
128         * config/bfin/bfin.opt (mshared-library-id=): Lose
129         Var(bfin_lib_id_given).
130
131 2005-04-13  Matt Thomas  <matt@3am-software.com>
132  
133         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
134         defining.
135
136 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
137
138         * rtl.h (CLEAR_RTX_FLAGS): Remove.
139
140         * cgraphunit.c (INSNS_PER_CALL): Remove.
141
142         * tree-ssa-forwprop.c (vars,
143         record_single_argument_cond_exprs,
144         substitute_single_use_vars): Remove.
145         (forward_propagate_into_cond_1, forward_propagate_into_cond):
146         New.
147         (tree_ssa_forward_propagate_single_use_vars): Call
148         forward_propagate_into_cond for each COND_EXPR.
149
150         * tree-inline.c (INSNS_PER_STMT): Remove.
151
152 2005-04-12  Richard Henderson  <rth@redhat.com>
153
154         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
155         (ix86_expand_sse_fp_minmax): ... from ... 
156         (ix86_expand_fp_movcc): ... here.
157         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
158         * config/i386/i386-protos.h: Update.
159         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
160         (sse_setccsf, sse_setccdf): Allow before reload.
161         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
162         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
163         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
164         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
165         (anddf3, nanddf3, iordf3, xordf3): New.
166
167 2005-04-12  Jeff Law  <law@redhat.com>
168
169         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
170         (tree-ssa-uncprop.o): Add dependencies.
171         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
172         * tree-flow.h (remove_useless_stmts): Remove prototype.
173         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
174         remove_useless_stmts.
175         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
176         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
177         * tree-pass.h (pass_uncprop): Declare.
178         * tree-ssa-uncprop.c: New file.
179
180 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
181
182         PR target/20670
183         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
184
185 2005-04-12  Caroline Tice  <ctice@apple.com>
186
187         Temporary fix for partitioning problems.
188         * passes.c (rest_of_handle_final): Remove code that 
189         frees unlikely_text_section_name,
190         * varasm.c (assemble_start_function): Test for partitioning
191         flag before writing out section labels.
192         (assemble_end_function): Test for partitioning flag before
193         writing out section labels.
194         
195 2005-04-12  Steven Bosscher  <stevenb@suse.de>
196             Stuart Hastings <stuart@apple.com>
197             Jan Hubicka  <jh@suse.cz>
198
199         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
200         references to gt-tree-cfg.h.
201         * basic-block.h (struct basic_block_def): Don't skip rbi
202         for garbage collection.
203         (struct reorder_block_def): Make GTY-able.
204         (struct control_flow_graph): New structure.
205         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
206         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
207         but instead defines to the control_flow_graph for cfun.
208         (label_to_block_map): New define, points to the label map of
209         the control_flow_graph for cfun.
210         (n_edges_for_function, n_basic_blocks_for_function,
211         last_basic_block_for_function, basic_block_info_for_function,
212         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
213         basic_block_info_for_function, label_to_block_map_for_function):
214         Counterparts for the above, taking a struct function as an extra
215         argument.
216         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
217         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
218         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
219         (alloc_rbi_pool, free_rbi_pool): Remove.
220         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
221         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
222         here...
223         (cfg_layout_finalize) ... and don't free it here.
224         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
225         garbage collected.
226         * flow.c (free_basic_block_vars): Set label_to_block_map and
227         n_edges to zero too.
228         * function.h (struct function): Add cfg field.
229         * function.c (allocate_struct_function): Allocate the cfg.
230         * tree-cfg.c (label_to_block_map): Remove.
231         (build_tree_cfg): Don't allocate the rbi pool here...
232         (delete_tree_cfg_annotations): ...and don't free it here.
233         Also don't nullify label_to_block_map for cfun.
234
235 2005-04-12  Caroline Tice  <ctice@apple.com>
236
237         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
238         Revert my patch from April 9.
239         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
240         (reorder_basic_blocks): Revert my patch from April 9.
241         (insert_section_boundary_note): Revert my patch from April 9.
242         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
243         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
244         (COLD_END_LABEL):  Revert my patch from April 9.
245         (cold_text_section_label):  Revert my patch from April 9.
246         (cold_end_label): Revert my patch from April 9.
247         (dwarf2out_switch_text_section): Revert my patch from April 9.
248         (output_aranges): Revert my patch from April 9.
249         (output_ranges):  Revert my patch from April 9.
250         (output_line_info): Revert my patch from April 9.
251         (add_location_or_const_value_attribute):  Revert my patch from April 9.
252         (dwarf2out_var_location): Revert my patch from April 9.
253         (dwarf2out_init):  Revert my patch from April 9.
254         (dwarf2out_finish): Revert my patch from April 9.
255         * function.h (struct function): Revert my patch from April 9.
256         * opts.c (decode_options): Revert my patch from April 9.
257         * output.h (unlikely_section_label, hot_section_label,
258         hot_section_end_label, cold_section_end_label, 
259         unlikely_text_section_name): Revert my patch from April 9.
260         * passes.c (rest_of_handle_final): Revert my patch from April 9.
261         * varasm.c (unlikely_section_label, hot_section_label,
262         hot_section_end_label, cold_section_end_label,
263         unlikely_text_section_name): Revert my patch from April 9.
264         (initialize_cold_section_name): Revert my patch from April 9.
265         (unlikely_text_section): Revert my patch from April 9.
266         (in_unlikely_text_section): Revert my patch from April 9.
267         (named_section): Revert my patch from April 9.
268         (function_section): Revert my patch from April 9.
269         (current_function_section): Revert my patch from April 9.
270         (assemble_start_function): Revert my patch from April 9.
271         (assemble_end_function): Revert my patch from April 9.
272         (default_section_type_flags_1): Revert my patch from April 9.
273         
274 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
275
276         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
277         * config/sparc/sparc.md (untyped_call): Save the registers manually.
278
279         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
280
281 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
282
283         PR middle-end/20917
284         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
285         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
286
287 2004-04-12  Richard Henderson  <rth@redhat.com>
288
289         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
290         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
291         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
292         (UNSPEC_*, UNSPECV_*): Renumber.
293
294 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
295
296         PR mudflap/19266
297         From Richard Henderson <rth@redhat.com>:
298         * tree-mudflap.c (mf_build_check_statement_for): Correct block
299         splitting logic.
300
301 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
302
303         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
304
305 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
306
307         * config/bfin/bfin.c (bfin_library_id_string): Remove.
308         (bfin_library_id): New variable.
309         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
310         instead of bfin_library_id_string.
311         (bfin_handle_option): New function.
312         (override_options): Remove most code to deal with shared library IDs,
313         just check they aren't used without -mid-shared-library.
314         (TARGET_HANDLE_OPTION): Define.
315         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
316         * config/bfin/bfin.opt (mshared-library-id=): New.
317
318 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
319
320         * tree-vect-transform.c: Fix comment typos.
321
322 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
323
324         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
325         split critical edges when not possible/profitable.
326
327 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
328
329         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
330         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
331         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
332         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
333         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
334         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
335         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
336         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
337         MASK_NO_BITFIELD.
338         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
339         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
340         * config/ns32k/ns32k.opt: New file.
341
342 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
343
344         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
345         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
346         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
347         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
348         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
349         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
350         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
351         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
352         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
353         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
354         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
355         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
356         (MASK_COLDFIRE): Formatting fixes.
357         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
358         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
359         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
360         "_current_shared_library_a5_offset_".
361         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
362         (MASK_ALL_CPU_BITS): New macro.
363         (m68k_handle_option): New function.
364         (override_options): Remove handling of m68k_library_id_string.
365         * config/m68k/m68k.opt: New file.
366         * config/m68k/ieee.opt: New file.
367
368 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
369
370         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
371         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
372         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
373         (TARGET_CXX): Adjust accordingly.
374         * target.h (struct gcc_target): Remove epxort_class_data.  Add
375         determine_class_data_visibility and class_data_always_comdat.
376         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
377         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
378         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
379         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
380         (arm_cxx_determine_class_data_visibility): New.
381         (arm_cxx_class_data_always_comdat): Likewise.
382         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
383         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
384         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
385         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
386         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
387         Define.
388
389 2005-04-11  Devang Patel  <dpatel@apple.com>
390
391         * tree-data-ref.c (build_classic_dist_vector,
392         compute_subscript_distance): Make externally visible.
393         * tree-data-ref.h (build_classic_dist_vector,
394         compute_subscript_distance): Same.
395         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
396         Check distance vector against vectorization factor.
397         (vect_analyze_loop): Determine vectorizaion factor before
398         analyzing data dependences.
399         * tree-vectorizer.c (loops_num): Make it externally visible and
400         rename ...
401         * tree-vectorizer.c (vect_loops_num): ... new name.
402         * tree-vectorizer.h  (vect_loops_num): New.
403
404 2005-04-11  Devang Patel  <dpatel@apple.com>
405
406         * tree-vect-analyze.c (vect_analyze_operations): Check
407         vectorizable codition.
408         * tree-vect-transform.c (vect_is_simple_cond): New function.
409         (vectorizable_condition): New function.
410         (vect_transform_stmt): Handle condition_vec_info_type.
411         * tree-vectorizer.h (enum stmt_vec_info_type): Add
412         condition_vec_info_type.
413         (vectorizable_condition): New.
414         
415 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
416
417         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
418         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
419         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
420
421         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
422         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
423
424         * dwarf2out.c (output_line_info): Don't try to dereference
425         a NULL current_function_decl.
426
427         * config/t-slibgcc-darwin: Don't put shared libraries in
428         directories other than $(slibdir).
429         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
430         OS uses for it.
431
432 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
433
434         PR tree-optimization/20933
435         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
436         logic to reject aliases between read-only and writable
437         variables ...
438         (may_alias_p): ... here.
439         (get_tmt_for): Do not associate read-only tags to pointers
440         whose pointed-to type is not read-only.
441         * tree-ssa.c (verify_ssa): Check that memory stores have at
442         least one V_MAY_DEF or V_MUST_DEF.
443
444 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
445
446         PR/17092
447         * configure.ac (gcc_UNLOCKED_FUNCS): New.
448         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
449         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
450         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
451         _unlocked function.
452         (fwrite_unlocked): Fix prototype.
453         
454         * configure, config.in: Regenerate.
455
456 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
457
458         * tree-ssa-loop-im.c: Include real.h.
459         (determine_invariantness_stmt): If real division divisor is
460         invariant and flag_unsafe_math_optimizations enabled, generate
461         invariant reciprocal for hoisting.
462         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
463
464 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
465
466         Fix PR tree-optimization/20926
467         
468         * tree-ssa-alias.c (add_type_alias): Handle subvars.
469         
470 2005-04-11  Devang Patel  <dpatel@apple.com>
471
472         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
473         operand ordering.
474         
475 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
476
477         * fold-const.c (fold_binary_op_with_conditional_arg):
478         use fold_buildN instead of "fold (buildN" in some
479         non obvious places.
480         (fold_unary): Likewise.
481         (fold_binary): Likewise.
482
483 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
484         
485         Fix PR tree-optimization/20612
486         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
487         handling
488         (perfect_nestify): preheaderbb is *not* part of loop of the
489         old destination.
490
491 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
492
493         * tree-ssa-alias.c (may_alias_p): If the variable
494         is a global variable and the pointer is parameter
495         and -fargument-noalias-global is used, then
496         the pointer cannot alias the variable.
497
498 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
499
500         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
501         * config/sparc/sparc.h: Likewise.
502         * config/sparc/sparc.md: Likewise.
503
504 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
505
506         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
507
508         * tree-vrp.c: Fix a comment typo.
509
510 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
511
512         PR tree-optimization/20920
513         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
514         SSA_NAME flows through an abnormal edge.
515         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
516         through abnormal edges.
517         (maybe_add_assert_expr): Likewise.
518
519 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
520
521         * config/s390/s390.h (s390_tune_string, s390_arch_string)
522         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
523         (s390_stack_size_string, s390_stack_guard_string, target_flags)
524         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
525         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
526         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
527         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
528         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
529         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
530         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
531         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
532         (TARGET_HANDLE_OPTION): Likewise.
533         (s390_tune): Initialize to PROCESSOR_max.
534         (s390_arch_string): Make static.
535         (s390_tune_string, s390_warn_framesize_string): Delete.
536         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
537         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
538         (s390_handle_arch_option, s390_handle_option): New functions.
539         (override_options): Remove parsing of option strings.
540         * config/s390/s390.opt: New file.
541
542 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
543
544         * tree-complex.c (expand_vector_operations): Call
545         update_stmt_if_modified.
546
547 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
548
549         * tree-vect-analyze (vect_determine_vectorization_factor):
550         Do not use GET_MODE_NUNITS.
551         * tree-vect-transform.c (vect_get_vec_def_for_operand,
552         (vectorizable_load, vect_transform_loop): Likewise.
553
554 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
555
556         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
557         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
558         * optabs.h (enum optab_index): Add new OTI_lceil.
559         (lceil_optab): Define corresponding macro.
560         * optabs.c (init_optabs): Initialize lceil_optab.
561         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
562         and lceildi2 patterns.
563         * builtins.c (expand_builtin_int_roundingfn): Handle
564         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
565         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
566         BUILT_IN_LLCEIL{,F,L}.
567         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
568         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
569         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
570         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
571         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
572         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
573         into lceil built-in function and (long long int)ceil{,f,l} into
574         llceil built-in function.
575         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
576         BUILT_IN_LLCEIL.
577
578 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
579
580         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
581         zero.
582
583 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
584
585         * config/arm/arm.c: Fix a comment typo.
586         * doc/tree-ssa.texi: Fix a typo.
587
588 2005-04-10  Steven Bosscher  <stevenb@suse.de>
589
590         * cselib.c (clear_table): Rename to cselib_clear_table.
591         * cselib.h (cselib_clear_table): Add prototype.
592         * gcse.c (gcse_main): Make 'f' argument unused.
593         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
594         of each basic block instead.
595         (compute_sets, compute_hash_table_work): Likewise.
596         (constprop_register): Change int 'alter_jumps' argument to bool.
597         (do_local_cprop): Likewise.
598         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
599         the insn chain.  Explicitly clear the cselib tables after finishing
600         one basic block.  Make sure there are no unterminated libcall blocks.
601         Update compute_sets call.
602         (cprop): Walk basic blocks instead of the insn chain.
603         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
604         Likewise.
605         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
606         one_cprop_pass calls.
607
608 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
609
610         * combine.c (combine_simplify_rtx): Remove a transformation that
611         relies on an invalid assumption about rtl sign-extension semantics.
612
613 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
614
615         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
616         to build_int_cst_wide.
617
618 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
619
620         PR target/20126
621         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
622         set the original address pseudo to the correct value before the
623         original insn, if possible, and leave the insn alone, otherwise
624         create a new pseudo, set it and replace it in the insn.
625         * recog.c (validate_change_maybe_volatile): New.
626         * recog.h (validate_change_maybe_volatile): Declare.
627
628 2005-04-09  Caroline Tice  <ctice@apple.com>
629
630         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
631         Remove targetm.have_named_sections test.
632         (fix_edges_for_rarely_executed_code): Likewise.
633         (insert_section_boundary_note): Likewise.
634         (reorder_basic_blocks): Check partitioning flag before calling
635         verify_hot_cold_block_grouping.
636         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
637         the function struct rather than global variables.
638         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
639         (COLD_END_LABEL): Likewise
640         (cold_text_section_label): New static global variable.
641         (cold_end_label): Likewise.
642         (dwarf2out_switch_text_section): Get hot/cold section labels from
643         the function struct rather than global variables.
644         (output_aranges): Use cold_text_section_label and cold_end_label;
645         check partitioning flag before putting out delta.
646         (output_ranges): Remove incorrect code attempting to use
647         hot/cold labels.
648         (output_line_info): Get cold section label from function struct.
649         (add_location_or_const_value_attribute): Likewise.
650         (get_subprogram_die): Get hot/cold section labels from function struct.
651         (dwarf2out_var_location): Likewise.
652         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
653         write out cold_text_section_label if partition flag is set.
654         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
655         * function.h (struct function): Add new fields to point to hot/cold
656         section labels: hot_section_label, cold_section_label,
657         hot_section_end_label and cold_section_end_label; also add new field
658         for cold text section name, unlikely_text_section_name.
659         * opts.c (decode_options): Turn off partitioning flag if
660         !targetm.have_named_sections.
661         * output.h (hot_section_label): Remove.
662         (hot_section_end_label): Remove.
663         (cold_section_end_label): Remove.
664         (unlikely_section_label): Remove.
665         (unlikely_text_section_name): Remove.
666         * passes.c (rest_of_handle_final):  Remove code that frees
667         unlikely_text_section_name.
668         * varasm.c (unlikely_section_label): Remove.
669         (hot_section_label): Remove.
670         (hot_section_end_label): Remove.
671         (cold_section_end_label): Remove.
672         (unlikely_text_section_name):  Remove.
673         (initialize_cold_section_name): Modify to call
674         targetm.strip_name_encoding; to store cold section name in current
675         function struct, if it exists; and to only use the decl_section_name
676         if flag_named_sections is true.
677         (unlikely_text_section): Modify to get section name out of current
678         function struct, if there is one; otherwise build it from
679         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
680         (in_unlikely_text_section): Likewise.
681         (named_section): Modify to get/put cold section name in current function
682         struct, if there is one.
683         (function_section):  Change 'bool unlikely' to 'int reloc'; check
684         targetm.have_named_sections before calling named_section.
685         (current_function_section): Likewise.
686         (assemble_start_function): Modify to get/put unlikely_text_section_name
687         in current function struct; modify to get hot/cold section labels
688         from function struct; initialize labels using 
689         ASM_GENERATE_INTERNAL_LABEL;
690         test partitioning flag before writing out hot section label.
691         (assemble_end_function): Test partitioning flag before writing out
692         hot/cold section labels.
693         (default_section_type_flags_1):  Modify to use array instead of
694          char* for unlikely_text_section_name; set flags correctly for
695          cold text section if there is not a current function decl.
696
697 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
698
699         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
700         and TI_VA_LIST_FPR_COUNTER_FIELD.
701         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
702         * tree-pass.h (pass_stdarg): Add.
703         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
704         * tree-stdarg.c: New file.
705         * tree-stdarg.h: New file.
706         * Makefile.in (OBJS-common): Add tree-stdarg.o.
707         (tree-stdarg.o): Add dependencies.
708         * function.h (struct function): Add va_list_gpr_size and
709         va_list_fpr_size fields.
710         * function.c (allocate_struct_function): Initialize them.
711         * target.h (struct gcc_target): Add stdarg_optimize_hook.
712         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
713         (TARGET_INITIALIZER): Add it.
714
715         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
716         va_list_{g,f}pr_counter_field.
717         (ix86_setup_incoming_varargs): Don't do anything if reg_save
718         area will not be used.  Only save registers that tree-stdarg.c
719         detected they need saving.
720         (ix86_va_start): Don't set up fields that won't be used.
721
722         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
723         va_list_{g,f}pr_counter_field.
724         (setup_incoming_varargs): Don't do anything if reg_save
725         area will not be used.  Only save registers that tree-stdarg.c
726         detected they need saving.
727         (rs6000_va_start): Don't set up fields that won't be used.
728
729         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
730         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
731         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
732         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
733
734 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
735
736         PR target/20795
737         * config/i386/i386.c (construct_container): Pass empty aligned
738         struct, union or class in memory.
739
740 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
741
742         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
743         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
744         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
745         config/rs6000/predicates.md: Fix comment typos.
746
747         * sched-int.h (haifa_insn_data): Remove blockage and units.
748         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
749         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
750         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
751
752 2005-04-09  Jan Hubicka  <jh@suse.cz>
753             Steven Bosscher  <stevenb@suse.de>
754
755         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
756         * cfgloop.c (get_loop_exit_edges): Likewise.
757         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
758         (unloop): Likewise.
759         * loop-unroll.c (analyze_insns_in_loop): Likewise.
760         * tree-cfg.c (dump_cfg_status): Likewise.
761
762 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
763
764         * config/rs6000/predicates.md (altivec_register_operand): Remove
765         redundant match_code test.
766         (gpc_reg_operand): Same.
767         (cc_reg_operand): Same.
768         (cc_reg_not_cr0_operand): Same.
769
770 2005-04-09  Jan Hubicka  <jh@suse.cz>
771
772         Forgotten hunk from my last merge patch:
773         * final.c (output_addr_const): Do not call mark_referenced.
774
775 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
776
777         * doc/tree-ssa.texi: Add immediate use documentation.
778
779 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
780
781         * arm.c (FL_WBUF): Define.
782         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
783         (arm_is_6_or_7): Delete.
784         (arm_tune_wbuf): New.
785         (arm_override_options): Set arm_tune_wbuf.
786         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
787         (arm_is_6_or_7): Delete declaration.
788         (arm_tune_wbuf): New declartion.
789         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
790         (model_wbuf): Derive from arm_tune_wbuf.
791         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
792         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
793         (arm740t): Mark CPUs as having a write buffer.
794
795 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
796
797         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
798         of 'const_double_operand' in operand 2 constraints.  Update enable
799         condition.
800
801 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
802
803         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
804         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
805         * optabs.h (enum optab_index): Add new OTI_lfloor.
806         (lfloor_optab): Define corresponding macro.
807         * optabs.c (init_optabs): Initialize lfloor_optab.
808         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
809         and lfloordi2 patterns.
810         * builtins.c (expand_builtin_int_roundingfn): New prototype.
811         (expand_builtin_int_roundingfn): New function.
812         (fold_builtin_int_roundingfn): New prototype.
813         (fold_builtin_int_roundingfn): New function, renamed from
814         fold_builtin_lround.
815         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
816         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
817         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
818         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
819         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
820         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
821         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
822         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
823         into lfloor built-in function and (long long int)floor{,f,l} into
824         llfloor built-in function.
825         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
826         BUILT_IN_LLFLOOR.
827
828 2005-04-08  Ian Lance Taylor  <ian@airs.com>
829
830         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
831         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
832         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
833         (DO_COND, DO_BODY): Likewise.
834         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
835         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
836         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
837         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
838         (build_continue_stmt, build_break_stmt): Don't declare.
839         (c_do_switch_warnings): Update declaration.
840         * c-gimplify.c (enum bc_t): Remove.
841         (struct c_gimplify_ctx, ctxp): Remove.
842         (push_context, pop_context): Remove static functions.
843         (c_genericize): Don't call push_context or pop_context.
844         (begin_bc_block, finish_bc_block): Remove static functions.
845         (build_bc_goto): Likewise.
846         (gimplify_c_loop): Likewise.
847         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
848         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
849         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
850         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
851         * c-common.c (c_do_switch_warnings): Rename from
852         c_do_switch_warnings_1.
853         (c_do_switch_warnings) [old version]: Remove.
854         (c_do_switch_expr_warnings): Remove.
855         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
856         function instead of c_do_switch_expr_warnings.
857         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
858         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
859         * c-pretty-print.c (pp_c_statement): Likewise.
860         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
861
862 2005-04-08  Devang Patel  <dpatel@apple.com>
863
864         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
865         While selecting replacement condition pay attention to loop header.
866
867 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
868
869         Merge from tree-cleanup-branch: VRP, store CCP, store
870             copy-prop, incremental SSA updating of FUD chains and
871             newly exposed symbols.
872
873         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
874         (OBJS-common): Add tree-vrp.o.
875         (tree-vrp.o): New rule.
876         * basic-block.h (nearest_common_dominator_for_set): Declare.
877         * common.opt (ftree-store-ccp): New flag.
878         (ftree-copy-prop): New flag.
879         (ftree-vrp): New flag.
880         (ftree-store-copy-prop): New flag.
881         * dominance.c (nearest_common_dominator_for_set): New.
882         * domwalk.c (walk_dominator_tree): Only traverse
883         statements in blocks marked in walk_data->interesting_blocks.
884         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
885         * fold-const.c (fold): Handle ASSERT_EXPR.
886         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
887         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
888         flag_tree_vrp at -O2.
889         * timevar.def (TV_TREE_VRP): Define.
890         (TV_TREE_COPY_PROP): Define.
891         (TV_TREE_STORE_COPY_PROP): Define.
892         (TV_TREE_SSA_INCREMENTAL): Define.
893         (TV_TREE_STORE_CCP): Define.
894         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
895         to kill_redundant_phi_nodes from comment.
896         (verify_expr): Handle ASSERT_EXPR.
897         * tree-dfa.c (mark_new_vars_to_rename): Remove second
898         argument.  Update all users.
899         (mark_call_clobbered_vars_to_rename): Remove.  Update all
900         users.
901         * tree-flow-inline.h (unmodifiable_var_p): New.
902         * tree-flow.h (enum value_range_type): Declare.
903         (struct value_range_def): Declare.
904         (value_range): Declare.
905         (remove_all_phi_nodes_for): Remove.  Update all users.
906         (find_phi_node_for): Declare.
907         (add_type_alias): Declare.
908         (count_uses_and_derefs): Declare.
909         (kill_redundant_phi_nodes): Remove.
910         (rewrite_into_ssa): Remove.
911         (rewrite_def_def_chains): Remove.
912         (update_ssa, register_new_name_mapping, create_new_def_for,
913         need_ssa_update_p, name_registered_for_update_p,
914         release_ssa_name_after_update_ssa, dump_repl_tbl,
915         debug_repl_tbl, dump_names_replaced_by,
916         debug_names_replaced_by, mark_sym_for_renaming,
917         mark_set_for_renaming, get_current_def, set_current_def,
918         get_value_range, dump_value_range, debug_value_range,
919         dump_all_value_ranges, debug_all_value_ranges,
920         expr_computes_nonzero, loop_depth_of_name,
921         unmodifiable_var_p): Declare.
922         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
923         ASSERT_EXPR.
924         * tree-into-ssa.c (block_defs_stack): Update comment.
925         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
926         syms_to_rename, names_to_release, repl_tbl,
927         need_to_initialize_update_ssa_p, need_to_update_vops_p,
928         need_to_replace_names_p): New locals.
929         (NAME_SETS_GROWTH_FACTOR): Define.
930         (struct repl_map_d): Declare.
931         (struct mark_def_sites_global_data): Add field
932         interesting_blocks.
933         (enum rewrite_mode): Declare.
934         (REGISTER_DEFS_IN_THIS_STMT): Define.
935         (compute_global_livein): Use last_basic_block instead of
936         n_basic_blocks.
937         (set_def_block): Remove last argument.  Update all callers.
938         (prepare_use_operand_for_rename): Remove.  Update all callers.
939         (prepare_def_operand_for_rename): Remove.  Update all callers.
940         (symbol_marked_for_renaming): New.
941         (is_old_name): New.
942         (is_new_name): New.
943         (repl_map_hash): New.
944         (repl_map_eq): New.
945         (repl_map_free): New.
946         (names_replaced_by): New.
947         (add_to_repl_tbl): New.
948         (add_new_name_mapping): New.
949         (mark_def_sites): Assume that all the operands in the
950         statement are in normal form.
951         (find_idf): Assert that the block in the stack is valid.
952         (get_default_def_for): New.
953         (insert_phi_nodes_for): Add new argument 'update_p'.
954         Add documentation.
955         If update_p is true, add a new mapping between the LHS of
956         each new PHI and the name that it replaces.
957         (insert_phi_nodes_1): Only call find_idf if needed.
958         (get_reaching_def): Call get_default_def_for.
959         (rewrite_operand): Remove.
960         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
961         and REWRITE_THIS_STMT are false.
962         Assume that all the operands in the statement are in
963         normal form.
964         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
965         (rewrite_virtual_phi_arguments): Remove.
966         (invalidate_name_tags): Remove.
967         (register_new_update_single, register_new_update_set,
968         rewrite_update_init_block, replace_use,
969         rewrite_update_fini_block, rewrite_update_stmt,
970         rewrite_update_phi_arguments): New.
971         rewrite_blocks): Remove argument 'fix_virtual_phis'.
972         Add arguments 'entry', 'what' and 'blocks'.
973         Initialize the dominator walker according to 'what' and
974         'blocks'.
975         Start the dominator walk at 'entry'.
976         (mark_def_site_blocks): Add argument 'interesting_blocks'.
977         Use it to configure the dominator walker.
978         (rewrite_into_ssa): Remove argument 'all'.
979         Make internal.
980         (rewrite_all_into_ssa): Remove.
981         (rewrite_def_def_chains): Remove.
982         (mark_def_interesting, mark_use_interesting,
983         prepare_phi_args_for_update, prepare_block_for_update,
984         prepare_def_site_for, prepare_def_sites,
985         dump_names_replaced_by, debug_names_replaced_by,
986         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
987         delete_update_ssa, create_new_def_for,
988         register_new_name_mapping, mark_sym_for_renaming,
989         mark_set_for_renaming, need_ssa_update_p,
990         name_registered_for_update_p, ssa_names_to_replace,
991         release_ssa_name_after_update_ssa,
992         insert_updated_phi_nodes_for, update_ssa): New.
993         * tree-loop-linear.c (linear_transform_loops): Call
994         update_ssa instead of rewrite_into_ssa.
995         * tree-optimize.c (vars_to_rename): Remove.
996         Update all users.
997         (init_tree_optimization_passes): Replace
998         pass_redundant_phi with pass_copy_prop.
999         Add pass_vrp.
1000         Replace pass_ccp with pass_store_ccp.
1001         Add pass_store_copy_prop after pass_store_ccp.
1002         (execute_todo): If the TODO_ flags don't include updating
1003         the SSA form, assert that it does not need to be updated.
1004         Call update_ssa instead of rewrite_into_ssa and
1005         rewrite_def_def_chains.
1006         If TODO_verify_loops is set, call verify_loop_closed_ssa.
1007         (tree_rest_of_compilation):
1008         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
1009         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
1010         TODO_cleanup_cfg): Renumber.
1011         (TODO_verify_loops, TODO_update_ssa,
1012         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
1013         TODO_update_ssa_only_virtuals): Define.
1014         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
1015         Declare.
1016         * tree-phinodes.c (make_phi_node): Update documentation.
1017         (remove_all_phi_nodes_for): Remove.
1018         (find_phi_node_for): New.
1019         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
1020         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
1021         (interpret_rhs_modify_expr): Likewise.
1022         * tree-sra.c (decide_instantiations): Mark all symbols in
1023         SRA_CANDIDATES for renaming.
1024         (mark_all_v_defs_1): Rename from mark_all_v_defs.
1025         (mark_all_v_defs): New function.  Update all users to call it 
1026         with the whole list of scalarized statements, not just the
1027         first one.
1028         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
1029         (compute_flow_insensitive_aliasing): If the tag is
1030         unmodifiable and the variable isn't or vice-versa, don't
1031         make them alias of each other.
1032         (setup_pointers_and_addressables): If the type tag for
1033         VAR is about to change, mark the old one for renaming.
1034         (add_type_alias): New.
1035         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
1036         (ccp_lattice_t): Rename from latticevalue.
1037         (value): Remove.  Update all users.
1038         (const_val): New local variable.
1039         (do_store_ccp): New local variable.
1040         (dump_lattice_value): Handle UNINITIALIZED.
1041         (debug_lattice_value): New.
1042         (get_default_value): Re-write.
1043         (set_lattice_value): Re-write.
1044         (def_to_varying): Remove.  Update all users.
1045         (likely_value): Return VARYING for statements that make
1046         stores when STORE_CCP is false.
1047         Return VARYING for any statement other than MODIFY_EXPR,
1048         COND_EXPR and SWITCH_EXPR.
1049         (ccp_initialize): Re-write.
1050         (replace_uses_in, replace_vuse_in, substitute_and_fold):
1051         Move to tree-ssa-propagate.c.
1052         (ccp_lattice_meet): Handle memory stores when
1053         DO_STORE_CCP is true.
1054         (ccp_visit_phi_node): Likewise.
1055         (ccp_fold): Likewise.
1056         (evaluate_stmt): Likewise.
1057         (visit_assignment): Likewise.
1058         (ccp_visit_stmt): Likewise.
1059         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
1060         into DO_STORE_CCP.
1061         (do_ssa_ccp): New.
1062         (pass_ccp): Use it.
1063         (do_ssa_store_ccp): New.
1064         (gate_store_ccp): New.
1065         (pass_store_ccp): Declare.
1066         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
1067         (may_propagate_copy): Reformat.
1068         Don't abort if ORIG is a virtual and DEST isn't.
1069         If NEW does not have alias information but DEST does,
1070         copy it.
1071         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
1072         copy_prop_kind, which_copy_prop): Declare.
1073         (stmt_may_generate_copy, get_copy_of_val,
1074         get_last_copy_of, set_copy_of_val, dump_copy_of,
1075         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
1076         copy_prop_visit_stmt, copy_prop_visit_phi_node,
1077         init_copy_prop, fini_copy_prop, execute_copy_prop,
1078         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
1079         store_copy_prop): New.
1080         (pass_copy_prop, pass_store_copy_prop): Declare.
1081         * tree-ssa-dom.c (struct opt_stats_d): Add fields
1082         'num_const_prop' and 'num_copy_prop'.
1083         (cprop_operand): Update them.
1084         (dump_dominator_optimization_stats): Dump them.
1085         (tree_ssa_dominator_optimize): Call update_ssa instead of
1086         rewrite_into_ssa.
1087         (loop_depth_of_name): Declare extern.
1088         (simplify_cond_and_lookup_avail_expr): Guard against NULL
1089         values for LOW or HIGH.
1090         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
1091         (record_equivalences_from_stmt): Call expr_computes_nonzero.
1092         (cprop_operand): Only propagate if VAL != OP.
1093         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
1094         statement for renaming.
1095         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
1096         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
1097         add_type_alias if necessary.
1098         Call mark_new_vars_to_rename.
1099         (tree_ssa_iv_optimize): If new symbols need to be renamed,
1100         mark every statement updated, call update_ssa and
1101         rewrite_into_loop_closed_ssa.
1102         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
1103         from LIVEIN if VAR is a virtual.
1104         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
1105         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
1106         (get_call_expr_operands): Reformat statement.
1107         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
1108         symbols.
1109         * tree-ssa-propagate.c (ssa_prop_init): Initialize
1110         SSA_NAME_VALUE for every name.
1111         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1112         get_value_loaded_by): New.
1113         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
1114         substitute_and_fold): Move from tree-ssa-ccp.c.
1115         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
1116         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1117         get_value_loaded_by, replace_uses_in, substitute_and_fold):
1118         Declare.
1119         * tree-ssa.c (verify_use): Fix error message.
1120         (propagate_into_addr, replace_immediate_uses, get_eq_name,
1121         check_phi_redundancy, kill_redundant_phi_nodes,
1122         pass_redundant_phi): Remove.  Update all users.
1123         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1124         add_type_alias, if necessary.
1125         * tree-vectorizer.h (struct _stmt_vect_info): Update
1126         documentation for field 'memtag'.
1127         * tree-vrp.c: New file.
1128         * tree.def (ASSERT_EXPR): Define.
1129         * tree.h (ASSERT_EXPR_VAR): Define.
1130         (ASSERT_EXPR_COND): Define.
1131         (SSA_NAME_VALUE_RANGE): Define.
1132         (struct tree_ssa_name): Add field 'value_range'.
1133         (PHI_REWRITTEN): Remove.
1134         (struct tree_phi_node): Remove field 'rewritten'.
1135         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
1136         -ftree-store-copy-prop): Document.
1137         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
1138         Document usage of update_ssa.
1139
1140 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
1141
1142         PR target/20814
1143         * config/rs6000/predicates.md (altivec_register_operand): Accept
1144         SUBREG. 
1145         (and64_operand): Do not limit CONST_INT to mask64_operand.
1146         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
1147         (and_operand): Do not limit CONST_INT to mask_operand.
1148
1149 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
1150
1151         PR rtl-optimization/20466
1152         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
1153         for overlap of the address of each list member.
1154         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
1155
1156 2005-04-08  Mike Stump  <mrs@apple.com>
1157
1158         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
1159         
1160         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
1161         instead of 4.
1162
1163 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1164
1165         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
1166
1167         * function.c (push_function_context_to): Don't set
1168         contains_functions.
1169         * function.h (function): Remove contains_functions.
1170         (current_function_contains_functions): Remove.
1171
1172         * function.h (function): Remove instrument_entry_exit.
1173         (current_function_instrument_entry_exit): Remove.
1174
1175         * function.h (nonlocal_labels): Remove.
1176
1177         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
1178
1179         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
1180         (check_attr_value, write_attr_get, write_expr_attr_cache,
1181         find_attr, make_internal_attr): Don't reference negative_ok or
1182         unsigned_p.
1183         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
1184         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
1185         (ATTR_STATIC): Adjust the value.
1186
1187         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
1188
1189 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
1190
1191         * config/s390/tpf.h (ASM_SPEC): Define.
1192
1193 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1194
1195         * tree-flow.h: Remove the prototype for
1196         redirect_immediate_uses.
1197         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
1198
1199 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
1200
1201         * arm.c (arm_const_double_by_parts): New function.
1202         * arm-protos.h (arm_const_double_by_parts): Add prototype.
1203         * arm.md (define_split for 64-bit constants): Add another one.
1204
1205 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
1206
1207         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
1208
1209 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1210
1211         * system.h: Revert last change.
1212
1213 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
1214
1215         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
1216         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
1217         (TARGET_SWITCHES): Delete.
1218         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1219         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
1220         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
1221         * config/xtensa/xtensa.opt: New file.
1222
1223 2005-04-08  Ben Elliston  <bje@au.ibm.com>
1224
1225         * config/fp-bit.c: Include L_mul_tf in #endif comment.
1226         * config/fp-bit.h: Tidy comments.
1227
1228 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1229
1230         * system.h: Poison PARAMS.
1231
1232 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
1233
1234         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
1235         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
1236         (TARGET_SWITCHES): Delete.
1237         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1238         * config/vax/vax.opt: New file.
1239
1240 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
1241
1242         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
1243
1244 2005-04-07  Ian Lance Taylor  <ian@airs.com>
1245
1246         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
1247         define.
1248         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
1249         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
1250         Likewise.
1251
1252 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
1253
1254         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
1255         all immediate uses in PHI nodes.
1256
1257 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
1258
1259         * arm.c (arm_const_double_inline_cost): Handle any constant by
1260         using gen_lowpart and gen_highpart_mode.
1261         (note_invalid_constants): All constants in an RTX with a constraint
1262         that permits memory are now pushed to the constant pool.
1263         (output_move_double): Delete code to handle reg to reg and 
1264         constant to reg moves.
1265         (const_double_needs_minipool, output_mov_immediate): Delete.
1266         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
1267         CONST_INT and CONST_VECTOR.
1268         * arm.md (ANY64): New mode macro.
1269         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
1270         (movdf_soft_insn): Split reg-reg and const-reg moves.
1271         (split patterns for 64-bit constant and register moves): New.
1272         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
1273         (cirrus_movdf_hard_insn): Likewise.
1274         * fpa.md (movdf_fpa): Likewise.
1275         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
1276         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
1277         constraints.
1278         (movv2si_internal_2): Likewise.
1279         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
1280         (movdf_vfp): Likewise.
1281         * arm-protos.h (output_mov_immediate): Delete prototype.
1282
1283 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
1284
1285         PR target/20093
1286         * simplify-rtx.c (simplify_unary_operation_1): Check
1287         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
1288
1289 2005-04-06  James E Wilson  <wilson@specifixinc.com>
1290
1291         PR target/20717
1292         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
1293         ADDR_EXPR.
1294
1295 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1296
1297         * coverage.h (GCOV_TYPE_NODE): Delete.
1298         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
1299         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
1300         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
1301         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
1302         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
1303
1304 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1305
1306         PR other/20792
1307         * Makefile.in (gcc.pot): Remove options.c dependency.
1308         * optc-gen.awk: Don't quote help strings with N_().
1309
1310 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
1311
1312         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
1313         the function returns a pointer type.
1314
1315 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
1316
1317         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
1318         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
1319         * doc/invoke.texi: Documnet salias-max-implicit-fields.
1320         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
1321         explicit_uses members.
1322         (get_or_create_used_part_for): Initialize new fields.
1323         (fieldoff_compare): New function.
1324         (create_overlap_variables_for): Count number of fields, use
1325         heuristic to determine whether to create subvars for vars with
1326         only implicit uses.
1327         Sort the field list by offset and avoid creating duplicate SFT's.
1328
1329 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1330
1331         * c.opt (-F): Remove trailing whitespace from help string.
1332         (-finput-charset): Use a tab to separate the switch name and help
1333         string.
1334         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
1335         (-ftree-vectorizer-verbose): Likewise.
1336
1337 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1338
1339         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
1340         a PHI argument where a use occurs instead of all PHI arguments.
1341
1342 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
1343
1344         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
1345         scope.
1346
1347 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1348
1349         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
1350         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
1351         config/bfin/bfin.h: Fix comment typos.
1352
1353 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
1354
1355         * doc/install.texi: Update the URL for Jacks.
1356         * doc/sourcebuild.texi: Likewise.
1357
1358 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
1359
1360         PR target/17245
1361         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
1362         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
1363
1364 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1365
1366         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
1367
1368 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1369
1370         * config/v850/v850-protos.h (override_options): Delete.
1371         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
1372         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
1373         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
1374         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
1375         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
1376         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
1377         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
1378         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
1379         (OVERRIDE_OPTIONS): Delete.
1380         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
1381         (small_memory_info): Remove the value field.
1382         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
1383         TARGET_NO_APP_REGS.
1384         * config/v850/v850.c (small_memory): Remove the value field.
1385         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1386         (override_options): Delete.
1387         (v850_handle_memory_option, v850_handle_option): New functions.
1388         * config/v850/v850.opt: New file.
1389
1390 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
1391
1392         * config.host: Add a section for generic hosts, and a subsection
1393         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
1394         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
1395         * config/host-darwin.h: New.
1396         * config/x-darwin: New.
1397         * config/i386/host-i386-darwin.c: New.
1398         * config/i386/x-darwin: New.
1399         * config/rs6000/host-darwin.c: Include host-darwin.h.
1400         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
1401         (darwin_rs6000_gt_pch_use_address): Likewise.
1402         * config/rs6000/x-darwin: Change name of .o built, update
1403         dependencies for changes to rs6000/host-darwin.c.
1404
1405 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1406
1407         PR target/17824
1408         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
1409
1410 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
1411
1412         * tree-vect-analyze.c (vect_analyze_loop_form): Call
1413         split_loop_exit_edge instead of loop_split_edge_with. 
1414
1415 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
1416
1417         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
1418         UNSPEC_SET_VSCR): New constants, used throughout.
1419         (*andc3_v4sf): New.
1420         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
1421         Replace with...
1422         (altivec_vspltis<VI_char>): ... this pattern, using
1423         a QImode const_int_operand for the immediate.
1424         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
1425         define_expands.
1426
1427 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1428
1429         PR target/17822
1430         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
1431
1432 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1433
1434         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
1435
1436 2005-04-06  Ben Elliston  <bje@au.ibm.com>
1437
1438         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
1439         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
1440         macros as living in "this file" and not gcc.h.
1441
1442 2005-04-06  Ben Elliston  <bje@au.ibm.com>
1443
1444         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
1445         -ftree-live_range_split.  Perhaps renamed at some point?
1446
1447 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1448
1449         PR target/20625
1450         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
1451         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
1452
1453 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1454
1455         * tree-flow.h (number_of_iterations_cond): Declaration removed.
1456         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
1457         (number_of_iterations_special): New function.
1458         (number_of_iterations_exit): Use number_of_iterations_special.
1459         Use simplify_using_outer_evolutions only at -O3.
1460         (number_of_iterations_cond, tree_simplify_using_condition,
1461         simplify_using_initial_conditions, loop_niter_by_eval,
1462         compare_trees, can_count_iv_in_wider_type_bound,
1463         simplify_using_outer_evolutions): Use fold_build.
1464
1465 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
1466
1467         * doc/install.texi (Configuration): Document --with-java-home.
1468
1469 2005-04-05  Richard Henderson  <rth@redhat.com>
1470
1471         PR target/20342
1472         PR target/20447
1473         * config/i386/i386.c (print_operand): Handle vector zeros.
1474         (ix86_split_to_parts): Handle CONST_VECTOR.
1475         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
1476         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
1477         what modes to tie for MMX and SSE registers.
1478         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
1479         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
1480         to vector modes as well.
1481         * config/i386/predicates.md (const0_operand): Handle VOIDmode
1482         properly as an input mode.
1483
1484 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1485
1486         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
1487
1488 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1489
1490         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
1491
1492 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
1493
1494         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
1495         and local functions, set sse_nregs to 8 and float_in_sse.
1496         (function_arg_advance, function_arg): If float_in_sse, pass
1497         SFmode and DFmode arguments in SSE registers.
1498         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
1499
1500         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
1501         of -funit-at-a-time.
1502
1503 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
1504
1505         * config/i386/i386-protos.h (ix86_function_value): Accept two
1506         arguments, like the target macro.
1507         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
1508         * config/i386/i386.c (ix86_function_value): Accept the second
1509         argument of the target macro.
1510         (ix86_function_ok_for_sibcall): Pass a function pointer to
1511         ix86_function_value.
1512         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
1513         call to ix86_value_regno).
1514         (ix86_value_regno): Add support for returning floating point values
1515         in SSE registers.
1516
1517 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
1518
1519         PR tree-optimization/20076
1520         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
1521         that call __builtin_return or __builtin_apply_args.
1522
1523 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1524
1525         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
1526         Use immediate use iterator.
1527         (stmt_is_bumper_for_loop): Use immediate use iterator.
1528         * predict.c (strip_builtin_expect): Use update_stmt.
1529         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
1530         on all elements of a STATEMENT_LIST.
1531         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
1532         (bsi_remove): Remove imm_use links and mark the stmt as modified.
1533         (bsi_replace): Mark stmt as modified and the update it.
1534         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
1535         (expand_complex_libcal): Call update_stmt.
1536         (expand_complex_comparison): Call mark_stmt_modified.
1537         (expand_complex_operations_1): Call update_stmt_if_modified.
1538         (expand_vector_operations_1): Call mark_stmt_modified.
1539         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
1540         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
1541         add_immediate_use, redirect_immediate_use,
1542         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
1543         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
1544         (mark_new_vars_to_rename): Call update_stmt.
1545         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
1546         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.  
1547         Ignore PHI nodes.
1548         (unmodify_stmt): Delete.
1549         (update_stmt): New.  Force an update of a stmt.
1550         (update_stmt_if_modified): update a stmt if it is out of date.
1551         (get_stmt_operands): Verify stmt is NOT modified. 
1552         (stmt_modified_p): Update comment.
1553         (delink_imm_use): Remove a use node from its immuse list.
1554         (link_imm_use_to_list): Link a use node to a specific list.
1555         (link_imm_use): Link a node to the correct list.
1556         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
1557         it in the correct list, if appropriate.
1558         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
1559         (relink_imm_use): Link a use node in place of another node in a list.
1560         (relink_imm_use_stmt): LInk a node in place of another node, and set
1561         the stmt pointer.
1562         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
1563         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
1564         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
1565         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
1566         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
1567         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
1568         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
1569         (has_zero_uses): New.  Return true if there are no uses of a var.
1570         (has_single_use): New.  Return true if there is only a single use of a
1571         variable.
1572         (single_imm_use): New.  Return the simgle immediate use.
1573         (num_imm_uses): New.  Return the number of immediate uses.
1574         (get_v_must_def_ops): Use is now a pointer.
1575         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
1576         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of 
1577         the use node.
1578         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
1579         (delink_stmt_imm_use): Delink all immuses from a stmt.
1580         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
1581         * tree-flow.h (struct dataflow_d): Delete.
1582         (immediate_use_iterator_d): New.  Immediate use iterator struct.
1583         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
1584         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
1585         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe 
1586         iteration.
1587         (struct stmt_ann_d): Remove dataflow_t from struct.
1588         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
1589         (if_convertible_phi_p): Use FAST immuse iterator.
1590         (if_convertible_loop_p): Don't call compute_immediate_uses.
1591         (replace_phi_with_cond_modify_expr): Call update_stmt.
1592         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call 
1593         update_stmt_if_modified.
1594         (rewrite_all_into_ssa): Initialize ssa operands.
1595         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
1596         compute_immediate_uses.
1597         * tree-optimize.c (execute_todo): Call verify_ssa whenever the 
1598         ssa_property is available.
1599         (execute_one_pass):  Change parameters passed to execute_todo.
1600         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
1601         (remove_ssa_form): Call fini_ssa_operands.
1602         (insert_backedge_copies): Delete call to modify_stmt.
1603         * tree-phinodes.c (make_phi_node): Initialize use nodes.
1604         (release_phi_node): Delink any use nodes before releasing.
1605         (resize_phi_node): Relink any use nodes.
1606         (remove_phi_arg_num): Delink the use node.
1607         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
1608         (remove_all_phi_nodes_for): Release phi node first.
1609         * tree-pretty-print.c (dump_generic_node): Print stmt address.
1610         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
1611         (scalarize_use, scalarize_copy): Call update_stmt.
1612         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
1613         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
1614         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
1615         (ccp_initialize): Remove call to compute_immediate_uses.
1616         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
1617         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified 
1618         stmts.
1619         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
1620         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
1621         (eliminate_redundant_computations): Call mark_stmt_modified.
1622         (cprop_operand): Call mark_stmt_modified.
1623         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
1624         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
1625         (dse_optimize_stmt): Use new immuse interface.
1626         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
1627         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
1628         (substitute_single_use_vars): Use new immuse interface.
1629         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
1630         and compute_immediate_uses.
1631         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse 
1632         interface.
1633         (rewrite_mem_refs): Call update_stmt.
1634         (determine_lsm): Remove call to compute_imm_uses and free_df.
1635         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
1636         (try_unroll_loop_completely): Call update_stmt.
1637         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
1638         (rewrite_use_compare): Call update_stmt.
1639         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
1640         (rewrite_use) : Call update_stmt.
1641         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
1642         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call 
1643         update_stmt.
1644         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
1645         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
1646         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
1647         use nodes.
1648         (initialize_vuse_operand): New.  Initialize a vuse operand.
1649         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
1650         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
1651         (finalize_ssa_defs): Use stmt parameter.
1652         (correct_use_link): Ensure a use node is in the correct list, and has
1653         the correct stmt pointer.
1654         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
1655         finalize_ssa_v_must_defs): Also initialize use nodes.
1656         (finalize_ssa_stmt_operands): Pass extra stmt operands.
1657         (build_ssa_operands): Seperate parsing from final operand construction.
1658         (parse_ssa_operands): New.  Parse entry point for operand building.
1659         (swap_tree_operands): New.  Swap 2 tree operands.
1660         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
1661         operands.
1662         (get_expr_operands): Call swap_tree_operands when needed.
1663         (copy_virtual_operands): Use initialize routines for virtual use ops.
1664         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
1665         (verify_abort): New.  Issue imm_use error.
1666         (verify_imm_links): New Verify imm_use links for a var.
1667         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
1668         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
1669         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
1670         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
1671         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
1672         (NULL_USE_OPERAND_P) Define.
1673         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
1674         use node.
1675         (struct vuse_operand_type): New struct.
1676         (SET_USE): Call set_ssa_use_from_ptr.
1677         (USE_STMT): Define.
1678         (PHI_ARG_INDEX_FROM_USE): Define.
1679         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi 
1680         argument via SET_USE, not PHI_ARG_DEF_TREE.
1681         * tree-ssa-pre.c (eliminate): Call update_stmt.
1682         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
1683         call free_df.
1684         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
1685         (nearest_common_dominator_of_uses): Use imm_use iterator.
1686         (statement_sink_location): Use imm_use iterator and interface.
1687         (execute_sink_code): Don't call compute_immediate_uses or free-df.
1688         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
1689         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
1690         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
1691         (verify_ssa): Ensure no stmt is marked modify after optimization pass
1692         if new parameter is true.
1693         (init_tree_ssa): Don't initialize operand cache here.
1694         (delete_tree_ssa): Don't destroy operand cache here.
1695         (propagate_into_addr): Pass in a use pointer, return true if anything
1696         was changed.
1697         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
1698         (check_phi_redundancy): Use imm_use iterator.
1699         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or 
1700         free_df.
1701         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
1702         (release_ssa_name): Delink node and all elements in its imm_use list.
1703         * tree-tailcall.c (adjust_return_value): Call update_stmt.
1704         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
1705         * tree-vectorizer.c (need_imm_uses_for): Delete.
1706         (vectorize_loops): Dont call compute_immediate_uses or free_df.
1707         * tree.h (struct ssa_imm_use_d): Define.
1708         (SSA_NAME_IMM_USE_NODE): Define.
1709         (struct tree_ssa_name): Add imm_use node.
1710         (PHI_DF): Delete.
1711         (PHI_ARG_IMM_USE_NODE): Define.
1712         (struct phi_arg_d): Add imm_use node.
1713         (struct tree_phi_node): Remove struct dataflow_d element.
1714         (TDF_STMTADDR): Define.
1715
1716 2005-04-05  Dale Johannesen  <dalej@apple.com>
1717
1718         * doc/invoke.texi (Optimization Options):  Remove
1719         duplicate -fcse-follow-jumps.  Add -fweb.
1720         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
1721         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
1722
1723 2005-04-05  Per Bothner  <per@bothner.com>
1724
1725         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
1726         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
1727         (warn_uninit): Get EXPR_LOCUS from context now instead.
1728         This fixes a USE_MAPPED_LOCATION testsuite failure.
1729
1730         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
1731
1732 2005-04-05  Per Bothner  <per@bothner.com>
1733
1734         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
1735         of the artification 'return 0' in main() to BUILTINS_LOCATION.
1736         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
1737         before warning. 
1738
1739 2004-04-05  Devang Patel  <dpatel@apple.com>
1740
1741         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
1742         (lhsr<mode>3): ... new name.
1743         (altivec_vsra<VI_char>): Rename to ..
1744         (ashr<mode>3): ... new name.
1745         * config/rs6000/rs6000.c (builtin_description): Rename shift
1746         operations.
1747         
1748 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
1749
1750         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
1751         gen_lowpart_for_combine.
1752         * cse.c (gen_lowpart_if_possible): Move...
1753         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
1754         gen_lowpart_SUBREG.
1755         (gen_lowpart_no_emit_general): Use it.
1756
1757 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1758
1759         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
1760         overriding.
1761
1762 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
1763
1764         * system.h: Fix typo.
1765
1766 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1767
1768         * config/bfin/bfin-modes.def: New file.
1769         * config/bfin/bfin-protos.h: New file.
1770         * config/bfin/bfin.c: New file.
1771         * config/bfin/bfin.h: New file.
1772         * config/bfin/bfin.md: New file.
1773         * config/bfin/bfin.opt: New file.
1774         * config/bfin/crti.s: New file.
1775         * config/bfin/crtn.s: New file.
1776         * config/bfin/elf.h: New file.
1777         * config/bfin/lib1funcs.asm: New file.
1778         * config/bfin/predicates.md: New file.
1779         * config/bfin/t-bfin: New file.
1780         * config/bfin/t-bfin-elf: New file.
1781         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
1782         Document new attributes.
1783         (interrupt, interrupt_handler, saveall): Update documentation for
1784         these attributes.
1785         * doc/install.texi (Specific): Add entry for the Blackfin.
1786         * doc/invoke.texi (Blackfin Options): New section.
1787         * doc/md.texi (Blackfin family): New section to document constraints.
1788         * config.gcc: Add bfin*-* and bfin*-elf configurations.
1789
1790 2005-04-05  Olivier Hainque  <hainque@adacore.com>
1791         
1792         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
1793         match what the system unwinder expects.
1794         * config/mips/mips.c (mips_frame_set): If we're saving the return
1795         address register and the dwarf return address column number differs
1796         from the hard register number, adjust the note reg to refer to the
1797         former.
1798
1799 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
1800
1801         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
1802         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
1803         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
1804         (processor_type): New enum.
1805         (mn10300_processor): New variable.
1806         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
1807         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
1808         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
1809         (PROCESSOR_DEFAULT): New macro.
1810         * config/mn10300/mn10300.c (mn10300_processor): New variable.
1811         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1812         (mn10300_handle_option, mn10300_override_options): New functions.
1813         * config/mn10300/mn10300.opt: New file.
1814
1815 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1816             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
1817
1818         PR tree-optimization/19903
1819         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
1820         that don't fit in their type after conversion.
1821
1822 2005-04-05  Uros Bizjak <uros@kss-loka.si>
1823
1824         PR target/20421
1825         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
1826         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
1827         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
1828         flag here. Implement using define_insn_and_split.  
1829         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
1830         (frndintxf2_mask_pm_i387): New insn patterns.
1831         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
1832         Do not set ix86_optimize_mode_switching flag.
1833         (ceilsf2, ceildf2, ceilxf2): Same.
1834         (btruncsf2, btruncdf2, btruncxf2): Same.
1835         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
1836
1837 2005-04-05  Ian Lance Taylor  <ian@airs.com>
1838
1839         PR debug/9963
1840         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
1841         i386_pe_record_external_function.
1842         (i386_pe_record_external_function): Update declaration.
1843         * config/i386/winnt.c (struct extern_list): Add decl field.
1844         (i386_pe_record_external_function): Add decl parameter.
1845         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
1846         identifier.
1847         * config/i386/i386-protos.h (i386_pe_record_external_function):
1848         Update declaration.
1849
1850 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
1851
1852         * config/m68k/m68k-protos.h: Add a prototype for
1853         valid_dbcc_comparison_p_2.
1854         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
1855         extend_operator, const_uint32_operand, const_sint32_operand,
1856         general_src_operand, nonimmediate_src_operand,
1857         memory_src_operand, post_inc_operand, pre_dec_operand,
1858         pcrel_address): Move to predicates to predicates.md.
1859         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
1860         * config/m68k/m68k.md: Include predicates.md.
1861         * config/m68k/predicates.md: New.
1862
1863 2005-04-04  Roger Sayle  <roger@eyesopen.com>
1864
1865         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
1866
1867         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
1868
1869 2005-04-04  Ian Lance Taylor  <ian@airs.com>
1870
1871         * c-typeck.c (struct c_switch): Rename switch_stmt field to
1872         switch_expr.
1873         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
1874         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
1875         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
1876         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
1877         * c-common.c (c_do_switch_warnings_1): New static function broken
1878         out of c_do_switch_warnings.
1879         (c_do_switch_warnings): Call c_do_switch_warnings_1.
1880         (c_do_switch_expr_warnings): New function.
1881         * c-common.h (c_do_switch_expr_warnings): Declare.
1882
1883 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
1884             Daniel Jacobowitz  <dan@codesourcery.com>
1885
1886         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
1887         trapping divide.
1888         * rtlanal.c (may_trap_p): Same.
1889
1890 2005-04-04  Dale Johannesen  <dalej@apple.com>
1891
1892         * ChangeLog:  remove reference to ChangeLog.12.
1893
1894 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
1895
1896         CRIS epilogue as RTL.
1897         * config/cris/cris.md: Change all 0 in unspec 0 to
1898         CRIS_UNSPEC_PLT.
1899         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
1900         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
1901         patterns.
1902         ("return"): Change to define_expand.  Call cris_expand_return for
1903         actual expansion.
1904         ("*return_expanded"): New pattern.
1905         ("epilogue"): New define_expand.
1906         * config/cris/cris.h (PREDICATE_CODES): Add
1907         cris_load_multiple_op.
1908         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
1909         type.
1910         (enum cris_retinsn_type): New.
1911         (struct machine_function): New member return_type.
1912         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
1913         (cris_target_asm_function_epilogue): Remove, moving RTLified
1914         contents to...
1915         (cris_expand_epilogue): New function.
1916         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
1917         (cris_gen_movem_load, cris_load_multiple_op)
1918         (cris_return_address_on_stack_for_return, cris_expand_return): New
1919         functions.
1920         (cris_target_asm_function_prologue)
1921         (cris_initial_frame_pointer_offset): Call
1922         cris_reg_saved_in_regsave_area instead of complicated expression.
1923         Call cris_return_address_on_stack instead of an expression.
1924         (cris_print_operand) <case 'o', case 'O'>: New cases.
1925         (cris_return_address_on_stack): Change return-type to bool.
1926         (cris_simple_epilogue): Ditto.  Return false if registers are
1927         saved.
1928         * config/cris/cris-protos.h (cris_simple_epilogue)
1929         (cris_return_address_on_stack): Adjust prototype return type.
1930         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
1931         (cris_return_address_on_stack_for_return): New prototypes.
1932
1933 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
1934
1935         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
1936         gpr_or_int12_operand.
1937
1938         * config/frv/frv-protos.h: Add a prototype to
1939         frv_legitimate_memory_operand and frv_const_unspec_p.
1940         (frv_unspec): Move from frv.c.
1941         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
1942         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
1943         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
1944         gpr_or_fpr_operand, gpr_or_int12_operand,
1945         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
1946         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
1947         int6_operand, int5_operand, uint5_operand, uint4_operand,
1948         uint1_operand, int_2word_operand, uint16_operand,
1949         upper_int16_operand, integer_register_operand,
1950         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
1951         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
1952         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
1953         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
1954         move_destination_operand, movcc_fp_destination_operand,
1955         frv_function_symbol_referenced_p, move_source_operand,
1956         condexec_dest_operand, condexec_source_operand,
1957         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
1958         const_unspec_operand, gpr_or_memory_operand,
1959         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
1960         icc_operand, fcc_operand, cc_operand, icr_operand,
1961         fcr_operand, cr_operand, call_operand, sibcall_operand,
1962         symbolic_operand, relational_operator,
1963         integer_relational_operator, float_relational_operator,
1964         ccr_eqne_operator, minmax_operator,
1965         condexec_si_binary_operator, condexec_si_media_operator,
1966         condexec_si_divide_operator, condexec_si_unary_operator,
1967         condexec_sf_conv_operator, condexec_sf_add_operator,
1968         condexec_memory_operand, intop_compare_operator, acc_operand,
1969         even_acc_operand, quad_acc_operand, accg_operand: Move to
1970         predicates.md.
1971         * config/frv/frv.h (PREDICATE_CODES): Remove.
1972         * config/frv/frv.md: Include predicates.md.
1973         * config/frv/predicates.md: New.
1974
1975 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
1976
1977         PR target/19537
1978         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
1979         * tree-ssa-loop-ivopts.c: Include langhooks.h.
1980         (add_standard_iv_candidates_for_size): New function, extracting code
1981         from add_standard_iv_candidates and parameterizing it by type size.
1982         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
1983
1984 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
1985
1986         * system.h (GCOV_SIZE_TYPE): Unposion.
1987         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
1988         (GCOV_TYPE_SIZE): ...this new macro.
1989         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
1990         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
1991         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
1992         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
1993         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
1994         instead of unsigned_intSI_type_node.
1995         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
1996         (rtl_gen_one_value_profiler_no_edge_manipulation)
1997         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
1998         * value-prof.c: Include coverage.h.
1999
2000 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
2001             Diego Novillo <dnovillo@redhat.com>
2002             
2003         Fix PR tree-optimization/20703
2004         Fix PR tree-optimization/20725
2005         
2006         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
2007         (create_expression_by_pieces): Ditto.
2008         (valid_in_set): Ditto. Also handle tcc_declaration.
2009         (find_or_generate_expression): Handle comparison class.
2010         (insert_into_preds_of_block): Ditto.
2011         (insert_aux): Ditto.
2012         (create_value_expr_from): Handle comparison class, recursively
2013         handle reference nodes.
2014         (compute_avail): Handle comparison classes, rewrite a little cleaner.
2015         (execute_pre): Fix spacing.
2016         (do_fre): Renamed to execute_fre.
2017
2018 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2019
2020         * doc/invoke.texi (SPARC options): Document that
2021         -mlittle-endian is not supported on Linux either.
2022
2023 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2024
2025         PR target/4198
2026         PR target/12027
2027         * config.gcc (Obsolete configurations): Remove
2028         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
2029         (sparclite-*-coff*): Delete.
2030         (sparclite-*-elf*): Likewise.
2031         (sparc86x-*-elf*): Likewise.
2032         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
2033         * config/sparc/lite.h: Delete.
2034         * config/sparc/litecoff.h: Likewise.
2035         * config/sparc/liteelf.h: Likewise.
2036         * config/sparc/sp86x-elf.h: Likewise.
2037         * config/sparc/t-sparclite: Likewise.
2038         * config/sparc/t-sp86x: Likewise.
2039
2040 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
2041
2042         * config/s390/s390-protos.h: (s390_comparison,
2043         s390_alc_comparison, s390_slb_comparison, const0_operand,
2044         consttable_operand, larl_operand, s_operand,
2045         shift_count_operand, bras_sym_operand, load_multiple_operation,
2046         store_multiple_operation, s390_plus_operand): Remove prototypes.
2047         (s390_legitimate_address_without_index_p): New prototype.
2048         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
2049         to s390.h.
2050         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
2051         const0_operand, consttable_operand, larl_operand, s_operand,
2052         shift_count_operand, bras_sym_operand, load_multiple_operation,
2053         store_multiple_operation, s390_plus_operand): Move to
2054         predicates.md.
2055         (check_mode): Remove.
2056         (s390_branch_condition_mask): Remove 'static'. Move prototype to
2057         s390-protos.h.
2058         (s390_legitimate_address_without_index_p): New.
2059         * config/s390/s390.h (PREDICATE_CODES): Remove.
2060         * config/s390/s390.md: Include predicates.md.
2061         * config/s390/predicates.md: New.
2062
2063 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2064
2065         PR target/20446
2066         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
2067         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
2068         (NEED_INDICATE_EXEC_STACK): Define to 1.
2069         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
2070         (NEED_INDICATE_EXEC_STACK): Define to 1.
2071         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
2072         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
2073         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
2074         (pic_helper_emitted_p): New global.
2075         (emit_pic_helper): New function extracted from...
2076         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
2077         Do not call emit_pic_helper if delay_pic_helper is true.
2078         (sparc_expand_prologue): Pass 'false' to load_pic_register.
2079         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
2080         (sparc_file_end): New function.
2081
2082 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2083
2084         * config/mcore/mcore-protos.h: Remove the prototypes for
2085         mcore_arith_reg_operand, mcore_general_movsrc_operand,
2086         mcore_general_movdst_operand, mcore_reload_operand,
2087         mcore_arith_J_operand, mcore_arith_K_operand,
2088         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
2089         mcore_arith_K_S_operand, mcore_arith_imm_operand,
2090         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2091         mcore_literal_K_operand, mcore_addsub_operand,
2092         mcore_compare_operand, mcore_load_multiple_operation,
2093         mcore_store_multiple_operation, mcore_call_address_operand.
2094         Add a prototype for const_ok_for_mcore.
2095         * config/mcore/mcore.c (mcore_call_address_operand,
2096         mcore_general_movsrc_operand, mcore_general_movdst_operand,
2097         mcore_arith_reg_operand, mcore_reload_operand,
2098         mcore_arith_J_operand, mcore_arith_K_operand,
2099         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
2100         mcore_arith_M_operand, mcore_arith_imm_operand,
2101         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2102         mcore_literal_K_operand, mcore_addsub_operand,
2103         mcore_compare_operand, mcore_load_multiple_operation,
2104         mcore_store_multiple_operation): Move to predicates.md.
2105         (const_ok_for_mcore): Export.
2106         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
2107         * config/mcore/mcore.md: Include predicates.md.
2108         * config/mcore/predicates.md: New.
2109
2110         * config/mcore/predicates.md: Fix a comment typo.
2111
2112 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2113             Adrian Straetling  <straetling@de.ibm.com>
2114
2115         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
2116         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
2117         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
2118         attribute.
2119         ("imul"): Removed from "type" attribute.
2120         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
2121         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"): 
2122         Changed type to imulsi.
2123         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
2124
2125 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2126
2127         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
2128         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
2129         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
2130         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
2131         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
2132         (TARGET_SWITCHES, mcore_stack_increment_string)
2133         (TARGET_OPTIONS): Delete.
2134         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
2135         than *_BIT constants.
2136         (TARGET_8ALIGN): #undef old definition before redefining to 1.
2137         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
2138         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
2139         (mcore_override_options): Delete mcore_stack_increment code.
2140         Change use of M340_BIT to MASK_M340.
2141         * config/mcore/mcore.opt: New file.
2142
2143 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2144
2145         * config/arm/arm.c (replace_symbols_in_block): Remove static
2146         function.
2147
2148 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2149
2150         * config/fr30/fr30-protos.h: Remove the prototypes for
2151         stack_add_operand, add_immediate_operand,
2152         high_register_operand, low_register_operand, call_operand,
2153         di_operand, and nonimmediate_di_operand.
2154         * config/fr30/fr30.c (stack_add_operand,
2155         add_immediate_operand, high_register_operand,
2156         low_register_operand, call_operand, di_operand,
2157         nonimmediate_di_operand): Move to predicates.md.
2158         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
2159         * config/fr30/fr30.md: Include predicates.md.
2160         * config/fr30/predicates.md: New.
2161
2162         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
2163         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
2164         mcore_call_address_operand.
2165
2166         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
2167         general_movsrc_operand.
2168
2169 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
2170
2171         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
2172         after freeing.
2173
2174 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
2175
2176         PR target/14812
2177         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
2178         a negated value.
2179
2180 2005-04-04  Richard Henderson  <rth@redhat.com>
2181             Jakub Jelinek  <jakub@redhat.com>
2182
2183         PR rtl-optimization/16104
2184         * fold-const.c (fold_unary): Fix folding of vector conversions.
2185
2186 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2187
2188         * config.gcc (xstormy16-*-elf): Set extra_options.
2189         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
2190         * config/stormy16/stormy16.opt: New file.
2191
2192 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2193
2194         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
2195         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
2196         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
2197         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
2198         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
2199         (TARGET_UNIX_ASM): Delete.
2200         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
2201         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
2202         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
2203         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2204         * config/pdp11/pdp11.opt: New file.
2205
2206 2005-04-03  Roger Sayle  <roger@eyesopen.com>
2207             Alexandre Oliva  <aoliva@redhat.com>
2208
2209         PR c++/19199
2210         * fold-const.c (non_lvalue): Split tests into...
2211         (maybe_lvalue_p): New function.
2212         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
2213         C++ front-end prior to lowering into gimple form.
2214
2215 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2216
2217         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
2218         BUILT_IN_STRNCASECMP): New.
2219         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
2220         and strndup.
2221
2222 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
2223
2224         PR target/14812
2225         * arm.md (addsi3_compare0_for_combiner): Delete.
2226         (addsi3_compare0_scratch_for_combiner): Delete.
2227         (cmpsi_neg_shiftsi): Delete.
2228         (compare_negsi_si): New pattern.
2229         (cmpsi_negshiftsi_si): New pattern.
2230         (negated_cbranchsi4): Restrict to equality_operator.
2231         
2232         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
2233         template.
2234
2235 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2236
2237         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
2238         Fix comment typos.
2239
2240         * doc/install.texi: Fix a typo.
2241
2242 2005-04-03  Steven Bosscher  <stevenb@suse.de>
2243
2244         PR middle-end/20648
2245         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
2246         a computed goto if the edge to the computed goto block has
2247         incoming abnormal edges.  Clarify how the function works.
2248
2249 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
2250
2251         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
2252         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
2253         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
2254         hash_scan_set, reg_set_between_after_reload_p,
2255         reg_used_between_after_reload_p, get_avail_load_store_reg,
2256         eliminate_partially_redundant_load): Likewise.
2257         * postreload.c (reload_cse_simplify_set,
2258         reload_combine_note_use): Likewise.
2259         * predict.c (predict_insn, expected_value_to_br_prob,
2260         propagate_freq, expensive_function_p): Likewise.
2261         * print-rtl.c (print_rtx): Likewise.
2262         * profile.c (instrument_edges, instrument_values,
2263         compute_branch_probabilities, branch_prob, union_groups,
2264         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
2265         * protoize.c (in_system_include_dir, file_could_be_converted,
2266         file_normally_convertible, gen_aux_info_file, seek_to_line,
2267         do_cleaning): Likewise.
2268         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
2269         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
2270         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
2271
2272 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2273
2274         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
2275         * modulo-sched.c (undo_replace_buff_elem): New structure.
2276         (kernel_number_of_cycles, ps_unschedule_node,
2277         undo_generate_reg_moves,free_undo_replace_buff,
2278         undo_permute_partial_schedule,  loop_single_full_bb_p,
2279         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
2280         build_loops_structure, get_sched_window): New.
2281         (generate_reg_moves): Return undo_replace_buff_elem and other
2282         fixes.
2283         (generate_prolog_epilog): Remove old loop versioning.
2284         (sms_schedule): Use loop information and loop_version.
2285         (sms_schedule_by_order): Split part of it to get_sched_window.
2286         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
2287         cfg_layout_finalize and free_dominance_info before/after SMS.
2288
2289 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2290
2291         * cfghooks.c (lv_flush_pending_stmts,
2292         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
2293         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
2294         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
2295         lv_add_condition_to_bb,
2296         lv_adjust_loop_header_phi, extract_cond_bb_edges,
2297         flush_pending_stmts): New in cfg_hooks structure.
2298         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
2299         extract_cond_bb_edges, lv_adjust_loop_header_phi,
2300         lv_add_condition_to_bb): New declarations.
2301         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
2302         bool.
2303         (loop_version): Declare.
2304         * cfgloopmanip.c (cfghooks.h): Include.
2305         (duplicate_loop_to_header_edge): Change return type to bool.
2306         (loop_version, lv_adjust_loop_entry_edge): Move here.
2307         * cfgrtl.c (cfgloop.h): Include.
2308         (rtl_verify_flow_info_1): Fix.
2309         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
2310         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
2311         initialization.
2312         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
2313         tree_lv_add_condition_to_bb): New.
2314         (tree_cfg_hooks): Add new hooks to initialization.
2315         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
2316         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
2317
2318 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2319
2320         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
2321         xstormy16_below100_or_register,
2322         xstormy16_splittable_below100_or_register, and
2323         nonimmediate_nonstack_operand.
2324
2325         * config/stormy16/stormy16-protos.h: Remove the prototypes for
2326         xstormy16_ineqsi_operator, equality_operator,
2327         inequality_operator, shift_operator,
2328         xstormy16_below100_operand, xstormy16_below100_or_register,
2329         xstormy16_splittable_below100_or_register,
2330         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
2331         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
2332         equality_operator, inequality_operator,
2333         xstormy16_below100_operand, xstormy16_below100_or_register,
2334         xstormy16_splittable_below100_or_register,
2335         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
2336         nonimmediate_nonstack_operand, shift_operator): Move to
2337         predicates.md.
2338         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
2339         * config/stormy16/stormy16.md: Include predicates.md.
2340         * config/stormy16/predicates.md: New.
2341
2342 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2343
2344         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
2345         small_int, large_int, reg_or_0_operand, simple_memory_operand,
2346         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
2347         move_operand, power_of_2_operand): Move to predicates.md.
2348         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
2349         PREDICATE_CODE): Remove.
2350         * config/iq2000/iq2000.md: Include predicates.md.
2351         * config/iq2000/predicates.md: New.
2352
2353 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
2354
2355         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
2356         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
2357         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
2358         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
2359         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
2360         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
2361         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
2362         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2363         (TARGET_M68HC11): Delete.
2364         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
2365         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
2366         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
2367         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2368         (nb_soft_regs): Delete.
2369         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
2370         (m68hc11_override_options): Remove the code that caters for MASK_M6811
2371         and MASK_M6812 being set simultaneously.  Change the code that sets
2372         the default m68hc11_soft_reg_count to use integers instead of strings.
2373         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
2374         m68hc11_soft_reg_count (which now has an int type) as the number
2375         of soft registers.
2376         * config/m68hc11/m68hc11.opt: New file.
2377
2378 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2379
2380         * config/fr30/fr30.h (PREDICATE_CODES): Remove
2381         fp_displacement_operand, sp_displacement_operand.
2382
2383         * config/m68hc11/m68hc11-protos.h: Add a prototype for
2384         m68hcc_auto_inc_p.
2385         Remove the prototypes for tst_operand, cmp_operand,
2386         stack_register_operand, d_register_operand,
2387         hard_addr_reg_operand, splitable_operand,
2388         m68hc11_logical_operator, m68hc11_arith_operator,
2389         m68hc11_non_shift_operator, m68hc11_shift_operator,
2390         m68hc11_unary_operator, m68hc11_eq_compare_operator,
2391         non_push_operand, hard_reg_operand, and
2392         reg_or_some_mem_operand.
2393         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
2394         extern.
2395         (tst_operand, cmp_operand, non_push_operand,
2396         splitable_operand, reg_or_some_mem_operand,
2397         stack_register_operand, d_register_operand,
2398         hard_addr_reg_operand, hard_reg_operand,
2399         m68hc11_eq_compare_operator, m68hc11_logical_operator,
2400         m68hc11_arith_operator, m68hc11_non_shift_operator,
2401         m68hc11_shift_operator, m68hc11_unary_operator): Move to
2402         predicates.md.
2403         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
2404         * config/m68hc11/m68hc11.md: Include predicates.md.
2405         * config/m68hc11/predicates.md: New.
2406
2407 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2408
2409         PR debug/19345
2410         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
2411         change checked in along with 2005-03-03's patch for debug/20253.
2412         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
2413         (remap_decl): Insert type decl in map earlier.
2414
2415 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2416
2417         PR tree-optimization/20640
2418         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
2419         post-dominator if it has phi nodes.
2420         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
2421         before dead statements.
2422
2423 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2424
2425         PR middle-end/20491
2426         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
2427
2428 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2429
2430         PR rtl-optimization/20290
2431         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
2432         in every iteration if the entry point is the exit test.
2433
2434 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
2435
2436         * config/cris/cris.md (attribute "length"): Define.
2437
2438 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
2439
2440         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
2441         (word_offset_memref_operand): New.
2442         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
2443         (indexed_or_indirect_operand): Delete.
2444         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
2445         (indexed_or_indirect_operand): Delete.
2446
2447         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
2448
2449         PR 20650
2450         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
2451         a register.
2452
2453         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
2454         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
2455
2456 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
2457
2458         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
2459
2460 2005-04-01  Ian Lance Taylor  <ian@airs.com>
2461
2462         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
2463         (rus, prus): Remove static variables.
2464         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
2465         (process_command): Permit report_times and use_pipes together.
2466
2467 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
2468
2469         * c-decl.c (validate_proto_after_old_defn): Look at
2470         TYPE_MAIN_VARIANT of argument types.
2471
2472 2005-04-01  Paul Brook  <paul@codesourcery.com>
2473
2474         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
2475         (arm_output_function_epilogue): Allow call_via_SP.
2476         (thumb_call_via_reg, arm_file_end): Ditto.
2477         * config/arm/arm.h (struct machine_function): Include space for SP.
2478         (thumb_call_via_label): Update declaration.
2479
2480 2005-04-01  Ian Lance Taylor  <ian@airs.com>
2481
2482         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
2483         doing a peephole optimization, once again put any notes in the
2484         proper position.
2485
2486 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2487
2488         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
2489
2490 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
2491
2492         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
2493         (block_alloc, find_free_reg): Likewise.
2494         * loop-doloop.c (doloop_modify): Likewise.
2495         * loop-invariant.c (record_use): Likewise.
2496         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
2497         get_iv_value, canon_condition, eliminate_implied_condition,
2498         eliminate_implied_condition, simplify_using_initial_values,
2499         shorten_into_mode, canonicalize_iv_subregs,
2500         iv_number_of_iterations): Likewise.
2501         * loop-unroll.c (expand_var_during_unrolling): Likewise.
2502         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
2503         unswitch_loop): Likewise.
2504         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
2505         move_movables, replace_call_address, find_and_verify_loops,
2506         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
2507         record_giv, final_giv_value, general_induction_var,
2508         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
2509         loop_giv_dump): Likewise.
2510
2511         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
2512         GCOV_CHECK_WRITING): Remove.
2513         (gcov_position, gcov_rewrite): Use gcc_assert.
2514         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
2515         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
2516         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
2517         gcc_assert.
2518
2519 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2520
2521         * tree-inline.c: Fix a typo.
2522
2523 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
2524
2525         * configure.ac (enable-checking): Explicitly set all variables for
2526         collective switch values.  Alphabetize variables. Rename
2527         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
2528         synonym for 'no'.
2529         * doc/install.texi (enable-checking): Update documentation.
2530         * configure: Rebuilt.
2531
2532 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2533
2534         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
2535         possible.
2536
2537 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
2538
2539         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
2540         Also reject cases where this pattern will cause load delay stalls
2541         unless optimizing for size and it will produce a shorter sequence.
2542         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
2543         variants to avoid pre-adjusting the base when possible.
2544
2545 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
2546
2547         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
2548         the frame and argument pointers.
2549         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
2550         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
2551         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
2552         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
2553         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
2554         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
2555
2556 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
2557
2558         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
2559         with entry for selectany attribute.
2560         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
2561         Declare.
2562         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
2563         (i386_pe_asm_named_section): Handle sections generated by
2564         selectany attribute.
2565         * doc/extend.texi (selectany): Document attribute.
2566
2567 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
2568             Jan Hubicka  <jh@suse.cz>
2569
2570         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
2571         to fix addresses involving EBP and ESP.
2572         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
2573         for SUBREGed registers.
2574         (legitimate_address_p): Accept SUBREGed registers.
2575
2576 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
2577
2578         PR c++/19406
2579         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
2580         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
2581         for FIELD_DECLs.
2582
2583 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2584
2585         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
2586
2587 2005-04-01  James E Wilson  <wilson@specifixinc.com>
2588
2589         PR c++/20505
2590         * dwarf2out.c (rtl_for_decl_init): New function.
2591         (rtl_for_decl_location): Extracted from here.
2592         (tree_add_const_value_attribute): Call rtl_for_decl_init and
2593         add_const_value_attribute.  Delete initializer_constant_valid_p call.
2594
2595 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2596
2597         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
2598         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
2599         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
2600         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
2601         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
2602         config/i386/i386.md, config/rs6000/predicates.md,
2603         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
2604         config/s390/s390.c, config/stormy16/stormy16.c,
2605         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
2606         typos.
2607
2608 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
2609
2610         PR c/17855
2611         * gimplify.c (gimplify_expr): Create a temporary for lvalue
2612         COND_EXPR and CALL_EXPR.
2613
2614 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
2615
2616         PR target/20632
2617         * genautomata.c (first_cycle_unit_presence): Check all alternative
2618         states for unit presence.
2619
2620         * doc/md.texi: Remove remark about impossibility to query unit
2621         presence in non nondeterministic automaton state.
2622         
2623         * config/ia64/ia64.c (get_template): Change order of unit querying.
2624
2625 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
2626
2627         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
2628         obsolete comment.
2629
2630 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
2631
2632         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
2633         flag for edges outside any loops.
2634
2635 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
2636
2637         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
2638
2639 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
2640
2641         * tree-ssa-alias.c: Follow spelling conventions.
2642         * doc/tree-ssa.texi: Fix a typo.
2643
2644 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
2645
2646         * postreload-gcse.c: Include target.h.
2647         (gcse_after_reload_main): Return early if we cannot modify jumps.
2648         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
2649
2650 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
2651
2652         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
2653         expensive operations.
2654
2655 2005-03-31  Ian Lance Taylor  <ian@airs.com>
2656
2657         * collect2.c (lderrout): New variable.
2658         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
2659         if it is set, to stderr.
2660         (handler): Unlink lderrout if it is set.
2661         (dump_file): Add "to" parameter.  Change all callers.
2662         (main): Initialize lderrout.
2663         (collect_execute): Add errname parameter.  Change all callers.
2664         Rename redir parameter to outname.  Never pass
2665         PEX_STDERR_TO_STDOUT to pex_run.
2666         * collect2.h (collect_execute, dump_file): Update declarations.
2667         * tlink.c (tlink_execute): Add errname parameter.  Change all
2668         callers.
2669         (do_tlink): Check lderrout as well as ldout.
2670
2671 2005-03-31  Caroline Tice  <ctice@apple.com>
2672
2673         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
2674         (bb-reorder.o): Add errors.h to list of requirements.
2675         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
2676         profiledbootstrap flags.
2677         * bb-reorder.c (errors.h): Add new include.
2678         (struct bbro_basic_block_data_def): Add new field, in_trace.
2679         (add_unlikely_executed_notes):  Remove function.
2680         (mark_bb_for_unlikely_executed_section): Remove function.
2681         (insert_section_boundary_note): New function.
2682         (verify_hot_cold_block_grouping): New function.
2683         (push_to_next_round_p): Remove variables and tests that push all
2684         cold blocks to last round.
2685         (find_traces): Remove code that added extra round of trace finding
2686         when doing partitioning.
2687         (find_traces_1_round) :  Remove variable last_round;  add code to 
2688         update new struct field, in_trace; correct trace_length where it was 
2689         incorrect before (after call to copy_bb); change code that pushed all 
2690         cold blocks to last round. Instead verify that all blocks going into 
2691         a trace belong in the same partition.
2692         (connect_traces): Modify to connect the traces in two passes, if the
2693         function contains both hot and cold blocks.  The first pass connects 
2694         all the traces for blocks in the partition that the first block in 
2695         the function belongs to; the second pass connnects all the traces 
2696         containing blocks that belong in the other partition.
2697         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
2698         code that automatically put the first block in a function into the
2699         hot partition if the function had any hot blocks.
2700         (fix_crossing_unconditional_branches): Check number of succ edges 
2701         before attempting to get one.
2702         (fix_edges_for_rarely_executed_code):  Update comment describing
2703         function.
2704         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
2705         remove call to add_unlikely_executed_notes; add call to 
2706         verify_hot_cold_block_grouping.
2707         (duplicate_computed_gotos): Don't change computed goto if it's a 
2708         crossing edge.
2709         (partition_hot_cold_basic_blocks):  Update function comment.
2710         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from 
2711         condition.
2712         (try_forward_edges): Likewise.
2713         (merge_blocks_move_predecessor_nojumps): Likewise.
2714         (merge_blocks_move_successor_nojumps): Likewise.
2715         (merge_blocks_move): Likewise.
2716         (try_crossjump_bb): Likewise.
2717         * cfglayout.c (update_unlikely_executed_notes): Remove function.
2718         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
2719         notes to cold bb's; remove call to update_unlikely_executed_notes.
2720         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
2721         NOTE_INSN_SWITCH_TEXT_SECTIONS.
2722         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
2723         function declaration.
2724         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
2725         from consideration.
2726         (rtl_can_merge_blocks): Remove redundancy from condition.
2727         (try_redirect_by_replacing_jump): Likewise.
2728         (force_nonfallthru_and_redirect): Remove code for adding
2729         UNLIKELY_EXECUTED_CODE notes to cold bb's.
2730         (commit_one_edge_insertion): Likewise.
2731         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
2732         * dbxout.c (FORCE_TEXT): Replace function_section with 
2733         current_function_section.
2734         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
2735         function, switch_text_section.
2736         (struct xcoff_debug): Likewise.
2737         (dbxout_function_end): Add code to put out label diffs for both
2738         hot and cold sections.
2739         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
2740         for new debug_hooks funciton, switch_text_section..
2741         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
2742         switch_text_section.
2743         * dwarf2out.c (struct dw_fde_struct):  Add five new fields: 
2744         dw_fde_hot_section_label, dw_fde_hot_section_end_label, 
2745         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and 
2746         dw_fde_switched_sections.
2747         (output_call_frame_info):  Add test to see if function switches text
2748         sections in the middle; if so, use appropriate extra hot and cold 
2749         section labels to compute size deltas for the hot and cold sections.
2750         (dwarf2out_begin_prologue): Add code to initialize new fields in 
2751         dw_fde_struct.
2752         (dwarf2out_switch_text_section): New function (invoked through 
2753         debug_hook); updates new fields in dw_fde_struct appropriately and
2754         increments separate_line_info_table_in_use.
2755         (dwarf2_debug_hooks): Initialize switch_text_section function to be
2756         dwarf2out_switch_text_section.
2757         (struct var_loc_node): Add new field, section_label.
2758         (output_aranges): Add code to check whether in hot or cold section and
2759         use the appropriate label in calculating deltas.
2760         (output_ranges): Likewise.
2761         (output_line_info): Add code to check which section we're in and
2762         use appropriate hot/cold label.
2763         (add_location_or_constant_value_attribute): Likewise.
2764         (gen_subprogam_die): Modify arange attributes to use correct labels.
2765         (dwarf2out_begin_block): Change call to function_section into call to
2766         current_function_section.
2767         (dwarf2out_end_block): Likewise.
2768         (dwarf2out_source_line): Likewise.
2769         (dwarf2out_var_location): Add code to check whether in hot or cold 
2770         section and use the appropriate label.
2771         * except.c (output_function_exception_table): Change call to 
2772         function_section into call to current_function_section.
2773         * final.c (profile_function): Likewise.
2774         (scan_ahead_for_unlikely_executed_note): Remove function.
2775         (final_scan_insn):  Remove calls to 
2776         scan_ahead_for_unlikely_executed_note, and related code for switching 
2777         to cold section, except for the single time 
2778         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to 
2779         debug_hooks->switch_text_sections; replace appropriate calls to 
2780         function_section with calls to current_function_section.
2781         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add 
2782         test_bb to condition.
2783         (find_if_case_2): Likewise.
2784         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
2785         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
2786         * opts.c (decode_options): Change warning about hot/cold partitioning
2787         with exceptionss to inform (so as not to cause bootstrap failures);
2788         remove warning about partitioning with DWARF debug info.
2789         * output.h (current_function_section): Add new function decl.
2790         (insert_section_boundary_note): Likewise.
2791         (enum in_section): Move this declaration here from varasm.c.
2792         (unlikely_section_label): Likewise.
2793         (unlikely_text_section_name): Likewise.
2794         (last_text_section_name): New global variable.
2795         (last_text_section): Likewise.
2796         (hot_section_label): Likewise.
2797         (hot_section_end_label): Likewise.
2798         (cold_section_end_label): Likewise.
2799         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
2800         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
2801         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
2802         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note 
2803         insn from consideration.
2804         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function, 
2805         switch_text_section.
2806         * varasm.c (basic-block.h): Add new include.
2807         (unlikely_section_label_printed): Remove global variable.
2808         (unlikely_section_label): Make global variable not be static any more.
2809         (unlikely_text_section_name): Likewise.
2810         (hot_section_end_label): New global variable (not static)
2811         (first_function_block_is_cold): Likewise.
2812         (hot_section_label): Likewise.
2813         (cold_section_end_label): Likewise..
2814         (last_text_section): New global variable, not static.
2815         (last_text_section_name): New global variable, not static.
2816         (initialize_cold_section_name): New function.
2817         (enum in_section): Move declaration to output.h.
2818         (text_section): Update last_text_section.
2819         (unlikely_text_section): Replace code to determine cold section name 
2820         with call to initialize_cold_section_name; Add code to update 
2821         last_text_section; remove code for printing out label.
2822         (named_section_real): Add code to update last_text_section and 
2823         last_text_section_name as appropriate.
2824         (function_section): Change test for 'unlikely' to depend on
2825         first_function_block_is_cold (moved old test to 
2826         current_function_section).
2827         (current_function_section): New function.
2828         (assemble_start_function): Move code that frees 
2829         unlikely_text_section_name; initialize hot_section_end_label; 
2830         print hot and cold section labels at the start of the function; 
2831         set first_function_block_is_cold, if appropriate; initialize l
2832         ast_text_section; add call to insert_section_boundary_note.
2833         (assemble_end_function):  Add code to write out hot and cold section
2834         end labels.
2835         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
2836         switch_text_section.
2837         * config/darwin.c (machopic_select_section): Replace incorrect 
2838         function in base_funs; update reloc for cold sections if necessary.
2839         * config/darwin.h (SECTION_FUNCTION):  Add code to update 
2840         last_text_section if appropriate.
2841         (text_unlikely_section): Remove.
2842         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
2843         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
2844         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
2845         partitioning for this architecture.
2846
2847 2005-03-31  Olivier Hainque  <hainque@adacore.com>
2848
2849         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
2850         defined and non-zero.
2851
2852 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2853
2854         PR c++/18644
2855         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
2856         semantics. 
2857
2858 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
2859
2860         PR target/20611
2861         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
2862         label operand.  Remove (use (unspec..)).  Don't emit a label on
2863         the offset word.
2864         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
2865         generate inline label for load_toc_v4_PIC_1b.
2866         (rs6000_emit_load_toc_table): Likewise.
2867
2868 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
2869
2870         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
2871         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
2872
2873 2005-03-29  Devang Patel  <dpatel@apple.com>
2874
2875         * tree-sra.c (decide_block_copy): Disable scalarization of
2876         sub-elements.
2877         
2878 2005-03-30  Stuart Hastings  <stuart@apple.com>
2879             Dale Johannesen  <dalej@apple.com>
2880
2881         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
2882         * print-tree.c (print_node):  Add case STATEMENT_LIST.
2883
2884 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
2885
2886         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
2887         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
2888         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
2889         is given with "powerpc64*" or "all", or when --with-cpu chooses
2890         a 64-bit cpu.
2891
2892 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
2893
2894         PR debug/20268
2895         * dwarf2out.c (add_high_low_attributes): New function, extracted from
2896         gen_lexical_block_die.
2897         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
2898
2899 2005-03-31  Jan Hubicka  <jh@suse.cz>
2900
2901         2004-11-02  Jan Hubicka  <jh@suse.cz>
2902
2903         * cgraph.c (cgraph_varpool_node_name): New function.
2904         (dump_cgraph_varpool_node): New function.
2905         (dump_varpool): New function.
2906         * cgraphunit.c (cgraph_optimize): Dump varpool.
2907
2908         2004-10-16  Jan Hubicka  <jh@suse.cz>
2909
2910         * cgraph.c (decide_is_variable_needed): New function.
2911         (cgraph_varpool_finalize_decl): Use it.
2912         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
2913         unit-at-a-time.
2914         * final.c (output_addr_const): Do not call mark_referenced.
2915         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
2916         always go via cgraph.
2917         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
2918         (check_global_declarations): Ifdef out code clearing DECL_RTL.
2919         * tree-optimize.c (execute_inline): Mark functions called.
2920         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
2921
2922         2004-10-11  Jan Hubicka  <jh@suse.cz>
2923
2924         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
2925         (cgraph_varpool_last_needed_node): New static variable.
2926         (enqueue_needed_varpool_node): Break out from ...; add items to the
2927         end of queue; update first pointers.
2928         (cgraph_varpool_mark_needed_node): ... here.
2929         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
2930         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
2931         * cgraph.h (cgraph_varpool_node): Add analyzed field.
2932         (cgraph_varpool_first_unanalyzed_node): Declare.
2933         * cgraphunit.c: Include output.h.
2934         (cgraph_varpool_analyze_pending_decls): New function.
2935         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
2936         for errors, analyze pending decls.
2937         (cgraph_finalize_compilation_unit): Only analyze decls.
2938         (cgraph_optimize): Assemble the decls after expanding.
2939
2940 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
2941
2942         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
2943         subvars get marked properly in tags for grouping.
2944         (add_pointed_to_var): Mark only actual pointed to
2945         variables/subvars in addresses needed.
2946         (create_overlap_variables_for): Clear call clobbered on original
2947         variable.
2948         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
2949         addresable vars with subvars into list.
2950         * tree-ssa.c (verify_ssa_name): Verify original is not used where
2951         subvar should be.
2952
2953 2005-03-30  Richard Henderson  <rth@redhat.com>
2954
2955         * cgraph.h (struct cgraph_node): Add alias.
2956         * varasm.c (assemble_alias): Set it.
2957         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
2958         avoid calling cgraph_expand_function.
2959
2960 2005-03-30  Tom Tromey  <tromey@redhat.com>
2961
2962         * tree.def (FILE_TYPE): Removed.
2963         * typeclass.h (enum type_class): Removed file_type_class.
2964         * dwarf2out.c (is_base_type): Updated.
2965         (gen_type_die): Likewise.
2966         * dbxout.c (dbxout_type): Updated.
2967         * builtins.c (type_to_class): Updated.
2968         * tree.c (type_contains_placeholder_1): Updated.
2969         * config/sparc/sparc.c (sparc_type_code): Updated.
2970         * config/ia64/ia64.c (hfa_element_mode): Updated.
2971         * expr.c (count_type_elements): Updated.
2972         * stor-layout.c (layout_type): Updated.
2973         * tree-inline.c (remap_type): Updated.
2974         * tree-pretty-print.c (dump_generic_node): Updated.
2975
2976 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
2977
2978         * builtins.c (expand_builtin_powi): Fix mode of
2979         2nd argument to match int.
2980         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
2981         2nd argument type to int.
2982         * libgcc2.c: Change prototype of __powi* functions to use
2983         int.
2984
2985 2005-03-30  Dale Johannesen  <dalej@apple.com>
2986
2987         PR middle-end/19225
2988         * calls.c (expand_call):  Flush pending deferrals before
2989         throwing call.
2990
2991 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
2992
2993         PR c/772
2994         PR c/17913
2995         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
2996         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
2997         c_label_context, label_context_stack): New.
2998         * c-decl.c (define_label): Check for jumps into statement
2999         expressions.  Add label to list of defined labels.
3000         (start_function): Push context on label_context_stack.
3001         (finish_function): Pop context from label_context_stack.
3002         * c-typeck.c (label_context_stack): New.
3003         (c_finish_goto_label): Check for jumps into statement
3004         expressions.  Add label to list of jumped to labels.
3005         (struct c_switch): Add blocked_stmt_expr.
3006         (c_start_case): Initialize it.
3007         (do_case): Check it.
3008         (c_finish_case): Verify !blocked_stmt_expr.
3009         (c_begin_stmt_expr):  Push context on label_context_stack.
3010         Increment blocked_stmt_expr.  Mark labels jumped to from outside
3011         as undefinable.
3012         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
3013         defined in the statement expression and no longer jumpable to.
3014         Mark labels jumped to from just outside the statement expression
3015         as again definable.  Pop context from label_context_stack.
3016         * doc/extend.texi (Statement Exprs): Update.
3017
3018 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3019
3020         PR c/20368
3021         * c-decl.c (start_function): Check for old_decl being
3022         error_mark_node.
3023
3024 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3025
3026         * final.c (final): Remove prescan parameter.  Change all callers.
3027         (final_scan_insn): Remove prescan parameter.  Change all callers.
3028
3029 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
3030
3031         * tree-vectorizer.c: Fix comment typos.
3032
3033 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
3034
3035         * tree-scalar-evolution.c (instantiate_parameters_1): Return
3036         as soon as a chrec_dont_know is detected.
3037
3038 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
3039
3040         Merge from csl-arm-branch.
3041         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
3042
3043         * tlink.c (recompile_files): Do not assume that "rename" can
3044         overwrite an existing file.
3045
3046 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
3047
3048         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
3049         * gcc/configure: Regenerate.
3050
3051 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3052
3053         * doc/install.texi: Update binutils requirement for powerpc*-linux.
3054
3055         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
3056
3057         * calls.c (struct arg_data): Update "partial" comment.
3058         (load_register_parameters): Update "nregs" comment.
3059
3060 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3061
3062         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
3063         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
3064         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
3065         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
3066         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
3067         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
3068         than target_flags & 0.
3069         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
3070         (iq2000_arch, iq2000_parse_cpu): Delete.
3071         (TARGET_HANDLE_OPTION): Override default.
3072         (iq2000_handle_option): New function.
3073         (override_options): Remove -march= and -mcpu= handling.
3074         * config/iq2000/iq2000.opt: New file.
3075
3076 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3077
3078         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
3079         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
3080         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
3081         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
3082         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
3083         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
3084         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
3085         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
3086         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
3087         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
3088         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
3089         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
3090         (c4x_rpts_cycles_string, c4x_cpu_version_string)
3091         (TARGET_OPTIONS): Delete.
3092         (c4x_rpts_cycles, c4x_cpu_version): Declare.
3093         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
3094         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
3095         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
3096         (c4x_cpu_version_string): Delete.
3097         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3098         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
3099         equivalent -mcpu= option.
3100         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
3101         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
3102         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
3103         or clearing the appropriate MASK_* bit.
3104         (c4x_file_start): Use c4x_cpu_version.
3105         * config/c4x/c4x.opt: New file.
3106
3107 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3108
3109         * doc/options.texi: Document the new MaskExists flag.
3110         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
3111         if the option has the MaskExists flag.
3112
3113 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3114
3115         * opt-functions.awk (flag_set_p, test_flag): New functions.
3116         (switch_flags): Use them.
3117         * opth-gen.awk: Use flag_set_p to check for flags.
3118         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
3119
3120 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3121
3122         * config.host (i[34567]86-*-mingw32*): Don't set
3123         host_can_use_collect2 to no.
3124
3125 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3126
3127         PR target/20203
3128         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
3129         Remove convert_memory_address call duplicating that in memory_address.
3130
3131 2005-03-29  Richard Henderson  <rth@redhat.com>
3132
3133         PR c/20519
3134         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
3135         (build_compound_literal): Likewise.  Propagate decl type into the
3136         initializer.
3137         (finish_decl): Likewise.  Use new return value from complete_array_type
3138         for zero sized arrays.
3139         (complete_array_type): Move ...
3140         * c-common.c (complete_array_type): ... here.  Change first argument
3141         to pointer-to-type-node.  Consistently use sizetype for the index
3142         except for zero sized arrays.  Detect zero sized arrays for pedantic
3143         mode diagnostics.  Create a new type node instead of modifying the
3144         old node in place.
3145         * c-tree.h (complete_array_type): Move decl ...
3146         * c-common.h (complete_array_type): ... here.
3147
3148 2005-03-29  Richard Henderson  <rth@redhat.com>
3149
3150         PR tree-opt/19108
3151         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
3152
3153 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
3154
3155         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
3156         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
3157         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
3158         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
3159
3160 2005-03-29  Eric Christopher  <echristo@redhat.com>
3161
3162         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
3163         truthvalue conversion removal.
3164
3165 2005-03-29  Ian Lance Taylor  <ian@airs.com>
3166
3167         PR bootstrap/14316
3168         * collect2.c: Never include <vfork.h>.
3169         (VFORK_STRING, vfork): Don't define.
3170         (pid): Remove global variable.
3171         (handler): Call raise instead of kill (getpid(), ...).
3172         (collect_wait): Add pex parameter.  Change all callers.  Use
3173         pex_get_status rather than pwait.
3174         (do_wait): Add pex parameter.  Change all callers.
3175         (collect_execute): Return struct pex_obj * rather than void.  Use
3176         pex routines rather than pexecute.
3177         (fork_execute): Get pex_obj from collect_execute, and pass it to
3178         do_wait.
3179         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
3180         Only declare quit_handler if SIGQUIT is defined.
3181         (scan_libraries): Likewise.
3182         * collect2.h (collect_execute): Update declaration.
3183         (collect_wait): Update declaration.
3184         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
3185         pass it to collect_wait.
3186
3187 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
3188
3189         PR c/20672
3190         * c-parser.c (c_parser_compound_statement_nostart): Give error
3191         message for EOF instead of just setting parser->error.
3192
3193 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
3194
3195         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
3196         (slpeel_update_phi_nodes_for_guard1): New function.
3197         (slpeel_update_phi_nodes_for_guard2): New function.
3198         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
3199         of slpeel_update_phi_nodes_for_guard.
3200         (vectorize_loops): Remove call to loop_closed_rewrite.
3201         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
3202         assertion.
3203
3204 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
3205
3206         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
3207         (TARGET_LITTLE_ENDIAN): New macro.
3208         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
3209         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
3210         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
3211         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
3212         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
3213         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
3214         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
3215         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
3216         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
3217         (TARGET_OPTIONS): Delete.
3218         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
3219         (CACHE_FLUSH_TRAP): Turn into an integer.
3220         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
3221         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
3222         -mflush-trap is in use.
3223         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
3224         (m32r_cache_flush_trap_string): Delete.
3225         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
3226         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
3227         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
3228         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3229         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
3230         -mmodel= and -msdata= handling from...
3231         (m32r_init): ...here.
3232         * config/m32r/m32r.opt: New file.
3233
3234 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
3235
3236         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
3237         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
3238         * tree-vect-analyze.c (vect_object_analysis): additional parm
3239         pass back a "struct ptr_info_def *" with the points-to info.
3240         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
3241         statement using info returned from vect_object_analysis.
3242         * tree-vect-transform.c (update_vuses_to_preheader): New function.
3243         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
3244         for virtual uses and defs when creating a replacement vector
3245         reference.  Call duplicate_ssa_name_ptr_info to define points-to
3246         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
3247         (vectorizable_store): copy_virtual_operands and update
3248         definition statements.
3249         (vectorizable_load): copy_virtual_operands.  Remove call to
3250         mark_call_clobbered_vars_to_rename for call to "const" builtin.
3251         * tree-vectorizer.c (vectorize_loops): Remove calls to
3252         rewrite_into_ssa and bitmap_clear (vars_to_rename).
3253         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
3254         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
3255         define macro STMT_VINFO_PTR_INFO for use in accessing.
3256         * tree.h add export of duplicate_ssa_name_ptr_info.
3257         * rs6000.c (altivec_init_builtins): Declare builtin function
3258         __builtin_altivec_mask_for_load to be "const".
3259
3260 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
3261
3262         PR middle-end/20622
3263         * cgraph.h (struct cgraph_varpool_node): Add alias field.
3264         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
3265         assemble_variable on aliases.
3266         * varasm.c (assemble_alias): Set node->alias.
3267         * toplev.c (wrapup_global_declarations): Don't call
3268         rest_of_decl_compilation on aliases again.
3269
3270 2005-03-29  Paul Brook  <paul@codesourcery.com>
3271
3272         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
3273         * config/arm/arm.c (arm_dbx_register_number): New function.
3274         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
3275
3276 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
3277
3278         PR middle-end/20263
3279         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
3280         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
3281
3282 2005-03-29  Dale Johannesen <dalej@apple.com>
3283
3284         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
3285         $(TREE_H) and $(COVERAGE_H).
3286         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
3287         * opts.c (common_handle_option): Enable tree-based value transforms.
3288         * toplev.c (process_options): Ditto.
3289         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
3290         refers to references to this type.
3291         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
3292         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
3293         for may_be_more, may_be_less.
3294         (rtl_gen_pow2_profiler): Adjust.
3295         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
3296         (rtl_gen_one_value_profiler): Adjust.
3297         (rtl_gen_const_delta_profiler): Adjust.
3298         * tree-profile.c (tree_gen_interval_profiler): Implement.
3299         (tree_gen_pow2_profiler): Ditto.
3300         (tree_gen_one_value_profiler): Ditto.
3301         (tree_profiling): New.
3302         (pass_tree_profile): Reference it.
3303         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
3304         tree.h, gcov-io.h.
3305         (insn_divmod_values_to_profile): Rename to
3306         rtl_divmod_values_to_profile. Adjust.
3307         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
3308         (insn_prefetch_values_to_profile): Adjust.
3309         (rtl_value_profile_transformations): Adjust.
3310         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
3311         (gen_mod_pow2): Rename to rtl_mod_pow2.
3312         (gen_mod_subtract): Rename to rtl_mod_subtract.
3313         (divmod_fixed_value_transform): Rename to
3314         rtl_divmod_fixed_value_transform.
3315         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
3316         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
3317         (rtl_find_values_to_profile): Adjust.
3318         (tree_value_profile_transformations): Implement.
3319         (tree_divmod_values_to_profile): New.
3320         (tree_values_to_profile): New.
3321         (tree_divmod_fixed_value): New.
3322         (tree_mod_pow2): New.
3323         (tree_mod_subtract): New.
3324         (tree_divmod_fixed_value_transform): New.
3325         (tree_mod_pow2_value_transform): New.
3326         (tree_mod_subtract_transform): New.
3327         (tree_find_values_to_profile): Implement.
3328         * profile.c (instrument_values):  Free histograms.
3329         (compute_value_histograms): Adjust. Implement tree version.
3330
3331 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
3332
3333         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
3334         * config/i386/i386.c (output_fix_trunc): Add new round_mode
3335         variable.  Output "fldcw" depending on round_mode.
3336         * config/i386/i386.md (UNSPEC_FIST): New.
3337         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
3338         New isns patterns to implement lrint and llrint built-ins as x87
3339         intrinsic function.
3340         (fistdi2, fist<mode>2 splitters): New splitters.
3341         (lrint<mode>2): New expanders.
3342
3343 2005-03-28  Ian Lance Taylor  <ian@airs.com>
3344
3345         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
3346         0 when calling final_scan_insn.
3347
3348 2005-03-28  Jan Hubicka  <jh@suse.cz>
3349
3350         PR middle-end/20635
3351         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
3352         as needed.
3353
3354         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
3355         types where possible.
3356
3357 2005-03-26  Per Bothner  <per@bothner.com>
3358
3359         Make -f[no-]show-column also control non-cpp diagnostics.
3360         * c.opt (fshow-column): Move option from here ...
3361         * common.opt (fshow-column): ... to here.
3362         * diagnostic.c (diagnostic_build_prefix): Only print column number
3363         if flag_show_column.
3364
3365 2005-03-27  Steven Bosscher  <stevenb@suse.de>
3366
3367         * vax-protos.h (vax_output_int_move, vax_output_int_add,
3368         vax_output_conditional_branch): New prototypes.
3369         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
3370         extracted from vax.md mov and add patterns.
3371         (vax_output_conditional_branch): New function to output conditional
3372         branch instructions.
3373         * vax.md: Use mode macros for arithmetic and mov patterns.
3374         Use code macros for the jump patterns.
3375
3376 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3377
3378         * Makefile.in (libbackend.o): Depend on version files;
3379         add custom generation command.
3380
3381 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3382
3383         PR target/20636
3384         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
3385         sure that we have a REG before getting its REGNO.
3386
3387 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3388
3389         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
3390         * builtins.def (BUILT_IN_STRNDUP): New.
3391
3392 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
3393
3394         PR tree-optimization/20470
3395         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
3396         ABS(x-y).
3397
3398 2005-03-25  Mike Stump  <mrs@apple.com>
3399
3400         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
3401         sized objects.
3402
3403 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
3404
3405         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
3406         Use our own structure definitions.
3407
3408         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
3409         (fix_truncdfsi2): Allow registers or memory as destination.
3410         When TARGET_PPC_GFXOPT, generate simplified pattern.
3411         (fix_truncdfsi2_internal): Use define_insn_and_split.
3412         (fix_truncdfsi2_internal_gfxopt): New.
3413         (fctiwz): Don't confuse register allocation by giving it no choices.
3414         (stfiwx): New.
3415         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
3416         (EXTRA_MEMORY_CONSTRAINT): Likewise.
3417         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
3418         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
3419
3420 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
3421
3422         * dominance.c (free_dominance_info): Speed up by freeing et
3423         data structures without maintaining other nodes.
3424         * et-forest.c (et_free_tree_force): New.
3425         * et-forest.h: Add a prototype for et_free_tree_force.
3426
3427         * tree.c (get_set_constructor_bits,
3428         get_set_constructor_bytes): Remove.
3429         * tree.h: Remove the corresponding prototypes.
3430
3431 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
3432
3433         PR target/15491
3434         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
3435         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
3436         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
3437         PRE_DEC, NEG and NOT.
3438
3439 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
3440
3441         * fold-const.c: Convert uses of fold (build (...)) to
3442         fold_buildN.
3443
3444 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
3445
3446         PR rtl-optimization/20249
3447         * cse.c (insert_regs): Do not record equivalence of registers in
3448         different modes.
3449
3450 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
3451
3452         * emit-rtl.c (reverse_comparison): Remove.
3453         * rtl.h: Remove the corresponding prototype.
3454
3455 2005-03-24  James E Wilson  <wilson@specifixinc.com>
3456
3457         * doc/install.texi (--enable-altivec): Delete docs.
3458
3459 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
3460
3461         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
3462         SFmode and DFmode before reload when
3463         flag_unsafe_math_optimizations not enabled.
3464
3465 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
3466
3467         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
3468
3469         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
3470         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
3471
3472 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
3473
3474         * configure.ac (enable-checking): Add 'runtime' option.
3475         * doc/install.texi (enable-checking): Document 'runtime' checking.
3476         * tsystem.h (gcc_assert, gcc_unreachable): Define.
3477         * config.in: Regenerated.
3478         * configure: Regenerated.
3479
3480 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
3481
3482         * optabs.h (enum optab_index): Remove OTI_llrint.
3483         (llrint_optab): Remove macro.
3484         * optabs.c (init_optabs): Remove llrint_optab initialization.
3485         * genopinit.c (optabs): Remove llrint_optab implementation.
3486         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
3487         using lrint_optab.
3488
3489 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
3490
3491         PR rtl-optimization/20532
3492         * simplify-rtx.c (simplify_binary_operation_1): Protect from
3493         overflow when adding coefficients for PLUS or MINUS.
3494         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
3495         two as multiplier.
3496
3497 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3498
3499         * langhooks.h (truthvalue_conversion): Remove.
3500         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
3501         LANG_HOOKS_TRUTHVALUE_CONVERSION.
3502         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
3503         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
3504         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
3505
3506 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
3507
3508         * params.def: Fix a typo.
3509         * config/mips/mips.c: Follow the spelling convensions.
3510         * doc/invoke.texi: Fix typos.
3511
3512 2005-03-18  Dale Johannese  <dalej@apple.com>
3513
3514         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
3515
3516 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
3517
3518         Fix PR tree-optimization/20601
3519
3520         * tree-ssa-pre.c (insert_aux): Add missing condition to
3521         constification.
3522
3523 2005-03-23  Ian Lance Taylor  <ian@airs.com>
3524
3525         * final.c (final_scan_insn): Don't remove no-op instructions.
3526         * reload1.c (reload): Remove simple no-op instructions even when
3527         not optimizing.
3528
3529 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
3530
3531         PR tree-optimization/20501
3532         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
3533         reporting that peeling for alignment is applied moved to...
3534         * (vect_analyze_data_refs_alignment): Here.
3535
3536 2005-03-23  Ian Lance Taylor  <ian@airs.com>
3537
3538         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
3539
3540 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3541
3542         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
3543         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
3544
3545 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
3546
3547         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
3548         imply that this is called once, independent of asms in code.
3549         Adjust to now being pased output and input lists.  Mention helper
3550         function decl_overlaps_hard_reg_set_p.
3551         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
3552         hook_tree_tree_identity and to take three trees, returning third.
3553         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
3554         prototype.
3555         * stmt.c: include hard-reg-set.h before tree.h.
3556         (decl_overlaps_hard_reg_set_p): New function, broken out from...
3557         (decl_conflicts_with_clobbers_p): Call
3558         decl_overlaps_hard_reg_set_p.
3559         (expand_asm_operands): Pass output and input lists in call to
3560         targetm.md_asm_clobbers.
3561         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
3562         hook_tree_tree_tree_tree_3rd_identity.
3563         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
3564         parameters.
3565         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
3566         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
3567         parameters, first two unused.
3568         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
3569         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
3570         in constraint letters and MOF is not mentioned as a asm-declared
3571         register in neither of the input and output lists.
3572
3573 2005-03-23  DJ Delorie  <dj@redhat.com>
3574
3575         * optabs.c (expand_binop): Make sure the first subword's result
3576         gets stored.
3577
3578 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3579
3580         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
3581         Call c_common_truthvalue_conversion rather than
3582         lang_hooks.truthvalue_conversion.
3583         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
3584         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
3585         c-typeck.c.
3586         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
3587         c_common_truthvalue_conversion.
3588         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
3589         c_parser_conditional_expression, c_parser_binary_expression): Call
3590         c_objc_common_truthvalue_conversion.
3591         * c-typeck.c (build_unary_op): Call
3592         c_objc_common_truthvalue_conversion.
3593         (build_conditional_expr): Do not call
3594         lang_hooks.truthvalue_conversion.
3595         (build_binary_op): Call c_common_truthvalue_conversion.
3596         (c_objc_common_truthvalue_conversion): Moved from
3597         c-objc-common.c.  Call default_function_array_conversion instead
3598         of default_conversion.
3599
3600 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3601
3602         * c-common.h (default_conversion): Remove.
3603         (perform_integral_promotions): Add.
3604         * c-tree.h (default_conversion): Add.
3605         * c-typeck.c (perform_integral_promotions): New, split out from
3606         default_conversion.
3607         * c-common.c (check_case_value): Use perform_integral_promotions,
3608         not default_conversion.
3609         (c_add_case_label): Don't continue processing case label after
3610         found to be pointer.
3611
3612 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
3613
3614         * gcc.c (do_spec_1): Do not add a -L path for a directory in
3615         the prefix list if we have already added a multilib directory
3616         based on that path.
3617         (main): Do not add MD_EXEC_PREFIX to the list of directories to
3618         search with -L.
3619
3620 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
3621
3622         * reload1.c (indirect_symref_ok, reload_obstack): Make them
3623         static.
3624         * reload.h: Remove the prototype for indirect_symref_ok.
3625
3626         * reload1.c (indirect_symref_ok): Make it global.
3627         * reload.h: Add a prototype for indirect_symref_ok.
3628
3629 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
3630
3631         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
3632         ashlhi3 expander.
3633
3634 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3635
3636         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
3637
3638 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
3639
3640         * c-opts.c (c_common_parse_file): Only start/end main source file
3641         if debug hooks says the writer wants it.
3642         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
3643         member.
3644         (xcoff_debug_hooks): Ditto.
3645         * debug.c (do_nothing_hooks): Ditto.
3646         * debug.h (gcc_debug_hooks): Ditto.
3647         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
3648         * sdbout.c (sdb_debug_hooks): Ditto.
3649         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
3650
3651 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
3652
3653         * doc/extend.texi: Deprecate C++ min/max operators.
3654
3655 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
3656
3657         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
3658         artificial original candidates.
3659
3660 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
3661             Jan Hubicka  <jh@suse.cz>
3662             Steven Bosscher <stevenb@suse.de>
3663
3664         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
3665         call cost based on argument sizes.
3666         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
3667         inlining.
3668         * params.def: (max-inline-inssn-single): Set to 450.
3669         (max-inline-insns-auto): Set to 90.
3670         (max-inline-insns-recursive): Set to 450
3671         (max-inline-insns-recursive-auto): Set to 450.
3672         (large-function-insns): Set to 2700.
3673         (inline-call-cost): New parameter.
3674         * tree-inline.c (estimate_move_cost): New function.
3675         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
3676         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
3677         based on arguments.
3678         * tree-inline.h (estimate_move_cost): Declare.
3679         * invoke.texi: (max-inline-inssn-single): Change default to 450.
3680         (max-inline-insns-auto): Change default to 90.
3681         (max-inline-insns-recursive): Change default to 450
3682         (max-inline-insns-recursive-auto): Change default to 450.
3683         (large-function-insns): Change default to 2700.
3684         (inline-call-cost): Document new parameter.
3685
3686 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
3687
3688         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
3689         (TARGET_DEFAULT): Delete.
3690         * config/i860/i860.opt: New file.
3691
3692 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
3693
3694         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
3695         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
3696         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
3697         (frv_sched_lookahead): Delete.
3698         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
3699         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
3700         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
3701         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
3702         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
3703         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
3704         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
3705         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
3706         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
3707         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
3708         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
3709         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
3710         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
3711         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
3712         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
3713         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
3714         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
3715         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
3716         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
3717         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
3718         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
3719         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
3720         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
3721         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
3722         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
3723         (frv_sched_lookahead): Delete.
3724         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
3725         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3726         (frv_handle_option): New function.  Move -mcpu= handling from...
3727         (frv_override_options): ...here.  Remove handling of other
3728         TARGET_OPTIONS.
3729         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
3730         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
3731         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
3732         and TARGET_NO_MULTI_CE.
3733         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
3734         !TARGET_VLIW_BRANCH.
3735         * config/frv/frv.opt: New file.
3736
3737 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
3738
3739         * fold-const.c (fold_ternary): Take decomposed arguments of
3740         CALL_EXPR.
3741         (fold): Update a call to fold_ternary.
3742
3743         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
3744         * tree.h: Add corresponding prototypes.
3745
3746 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
3747
3748         PR target/20561
3749         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
3750         between jump table and its label.
3751         * final.c (shorten_branches): Handle notes in between ADDR_VEC
3752         resp. ADDR_DIFF_VEC and the label preceeding it.
3753         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
3754         is emitted in the right section.
3755
3756 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
3757
3758         * fold-const.c (fold_unary, fold_binary): Update comments
3759         about arguments.
3760
3761 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
3762
3763         PR rtl-optimization/20527
3764         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
3765         REG_INC note, test that the register also isn't mentioned in PRED
3766         or SUCC.
3767
3768 2005-03-22  Ben Elliston  <bje@au.ibm.com>
3769
3770         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
3771         and definition.
3772
3773 2005-03-21  Mike Stump  <mrs@apple.com>
3774
3775         * varasm.c (default_assemble_visibility): Remove extra ().
3776
3777 2005-03-21  Roger Sayle  <roger@eyesopen.com>
3778
3779         PR middle-end/20557
3780         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
3781         to determine whether a block can be duplicated, rather than test
3782         whether the block contains noncopyable insns ourselves.
3783
3784 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3785
3786         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
3787         predicates.
3788
3789 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
3790
3791         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
3792
3793 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
3794
3795         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
3796         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
3797         * config/fr30/fr30.opt: New file.
3798
3799 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
3800
3801         Fix PR tree-optimization/20542
3802
3803         * tree-flow-inline.h (overlap_subvar): Move to here.
3804         * tree-ssa-operands.c: From here.
3805         * tree-flow.h (overlap_subvar): Declare.
3806         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
3807         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
3808         for variables with subvars.
3809
3810 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
3811
3812         PR middle-end/20177
3813         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
3814         * modulo-sched.c (const_iteration_count): Return on NULL
3815         pre-header.
3816         (print_node_sched_params): Return on NULL dump_file.
3817         (generate_reg_moves): Handle reg-anti dependencies and disregard
3818         closing branch when generating register moves.
3819         (sms_schedule): Mark the SMSed block dirty.
3820         * passes.c (rest_of_handle_sms): Call update_life_info for all
3821         basic-blocks.
3822         * testsuite/gcc.dg/20050321-1.c: New test.
3823
3824 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
3825
3826         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
3827         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
3828         movqi_internal): Likewise.
3829
3830 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
3831
3832         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
3833         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
3834         xtensa_b4const): Delete prototypes.
3835         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
3836         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
3837         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
3838         xtensa_extra_constraint): New prototypes.
3839         (add_operand, arith_operand, nonimmed_operand, mem_operand,
3840         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
3841         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
3842         move_operand, const_float_1_operand, fpmem_offset_operand,
3843         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
3844         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
3845         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
3846         argument type to HOST_WIDE_INT.
3847         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
3848         xtensa_mask_immediate): Likewise.
3849         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
3850         Likewise.  Also make these functions static.
3851         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
3852         (xtensa_const_ok_for_letter_p): New.
3853         (add_operand, arith_operand, nonimmed_operand, mem_operand,
3854         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
3855         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
3856         move_operand, const_float_1_operand, fpmem_offset_operand,
3857         branch_operator, ubranch_operator, boolean_operator): Move to
3858         predicates.md.
3859         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
3860         (xtensa_mem_offset): Change return type to bool.
3861         (xtensa_extra_constraint): New.
3862         (gen_int_relational): Update type of const_range_p function pointer.
3863         Use xtensa_b4const_or_zero.
3864         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
3865         xtensa_const_ok_for_letter_p.  Update comments.
3866         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
3867         (PREDICATE_CODES): Delete.
3868         * config/xtensa/xtensa.md: Include predicates.md.
3869         * config/xtensa/predicates.md: New file.
3870
3871 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3872
3873         * config/v850/v850-protos.h: Remove the prototypes for
3874         reg_or_int9_operand, reg_or_const_operand,
3875         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
3876         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
3877         movsi_source_operand, power_of_two_operand,
3878         not_power_of_two_operand, special_symbolref_operand,
3879         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
3880         register_is_ok_for_epilogue.
3881         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
3882         reg_or_int9_operand, reg_or_const_operand,
3883         call_address_operand, special_symbolref_operand,
3884         movsi_source_operand, power_of_two_operand,
3885         not_power_of_two_operand, register_is_ok_for_epilogue,
3886         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
3887         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
3888         predicates.md.
3889         * config/v850/v850.h (PREDICATE_CODES): Remove.
3890         * config/v850/v850.md: Include predicates.md.
3891         * config/v850/predicates.md: New.
3892
3893 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
3894
3895         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
3896         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
3897         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
3898         (itoolsdir, itoolsdatadir): Move definition above new first use.
3899         (install-itoolsdirs): New rule.
3900         (install-mkheaders): Depend on install-itoolsdirs, not
3901         install-include-dir.
3902
3903 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3904
3905         * tree-into-ssa.c: Remove obsolete comments.
3906
3907 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
3908
3909         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
3910         unrolling if -fpeel-loops is specified, too.
3911         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
3912         Remove superfluous check for flag_unroll_loops.
3913
3914 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
3915
3916         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
3917         (lrint_optab, llrint_optab): Define corresponding macros.
3918         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
3919         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
3920         pattern and llrint_optab using llrintdi2 patterns.
3921         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
3922         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
3923         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
3924         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
3925         flag_unsafe_math_optimizations is set.
3926
3927 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
3928
3929         * combine.c (combine_simplify_rtx, simplify_if_then_else,
3930         simplify_logical, if_then_else_cond, known_cond,
3931         simplify_comparison): Adjust calls to reverse_comparison.
3932         Don't use combine_reversed_comparison_code).
3933         (combine_reversed_comparison_code): Remove.
3934         (reversed_comparison): Using reversed_comparison_code, move it...
3935         * jump.c (reversed_comparison): ... here.
3936         * rtl.h (reversed_comparison): Add prototype.
3937
3938 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3939
3940         * builtins.c (fold_builtin): Take decomposed arguments of
3941         CALL_EXPR.
3942         * fold-const.c (fold_ternary): Update a call to fold_builtin.
3943         * gimplify.c (gimplify_call_expr): Likewise.
3944         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
3945         * tree.h: Update the prototype of fold_builtin.
3946
3947 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
3948
3949         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
3950         * rtlhooks.c (gen_lowpart_no_emit_general): New.
3951         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
3952         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
3953         * simplify-rtx.c (simplify_binary_operation_1): Use it.
3954
3955 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3956
3957         * builtins.c (fold_builtin_1): Take decomposed arguments of
3958         CALL_EXPR.
3959         (fold_builtin): Update a call to fold_builtin_1.
3960
3961 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
3962
3963         PR other/20564
3964         * gcov.c (output_lines): Only output function block summary when
3965         outputting branch information.
3966         * doc/gcov.texi: Document format of preamble and additional block
3967         information lines.
3968
3969 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
3970
3971         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
3972         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
3973         the defaults false if BITS_PER_UNIT != 8.
3974         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
3975         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
3976         than BITS_PER_UNIT != 8.
3977         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
3978         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
3979         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
3980         #undefs.
3981         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
3982         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
3983
3984 2005-03-20  Roger Sayle  <roger@eyesopen.com>
3985
3986         PR middle-end/20539
3987         * fold-const.c (fold_binary): Fix type mismatch between
3988         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
3989         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
3990         for non-truth-valued expressions.
3991
3992         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
3993         and FUNCTION_DECL in the main switch.
3994         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
3995         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
3996         we also need to convert their operands to match.
3997         <TRUTH_NOT_EXPR>: Likewise.
3998
3999 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
4000
4001         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
4002         diagnostic without checking whether an lvalue.
4003         * c-common.h (lvalue_p): Remove.
4004         (enum lvalue_use): Update comment.
4005         (lvalue_or_else): Replace by lvalue_error.
4006         * c-typeck.c (lvalue_p): Make static.
4007         (lvalue_or_else): New.  Call lvalue_error.
4008
4009 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
4010
4011         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
4012         (function_arg_advance): Use rs6000_parm_start.
4013         (function_arg, rs6000_arg_partial_bytes): Likewise.
4014
4015 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4016
4017         * c-common.c (check_case_value): Adjust comment about stripping
4018         NOPs.
4019         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
4020         * c-typeck.c (default_conversion, convert_arguments,
4021         build_modify_expr, convert_for_assignment, store_init_value,
4022         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
4023         manually.  Remove inaccurate comments.
4024
4025 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4026             Joseph S. Myers  <joseph@codesourcery.com>
4027
4028         * varasm.c (do_assemble_alias): Restore comment describing function.
4029         Annotate the target parameter as potentially unused.
4030
4031 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4032
4033         PR target/18551
4034         * config/avr/avr.c (avr_output_function_prologue): Do not use
4035         current_function_name() in a label, use a local label instead.
4036
4037 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
4038
4039         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
4040         flag_finite_math_only, not flag_unsafe_math_optimizations.
4041
4042 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4043
4044         * builtins.c (fold_builtin_1): Update a call to
4045         targetm.fold_builtin.
4046         * hooks.c (hook_tree_tree_bool_null): Rename to
4047         hook_tree_tree_tree_bool_null.  Take one more argument of type
4048         tree.
4049         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
4050         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
4051         hook_tree_tree_tree_bool_null.
4052         * target.h (gcc_target): Update the prototype of fold_builtin.
4053         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
4054         arguments of CALL_EXPR.
4055         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
4056         new prototype.
4057
4058 2005-03-20  Jan Hubicka  <jh@suse.cz>
4059
4060         * cgraph.h (cgraph_node): Add prev_clone pointer.
4061         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
4062         (cgraph_clone_node): Produce doubly linked chain.
4063
4064 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4065
4066         * c-common.c (handle_aligned_attribute, check_function_sentinel,
4067         get_nonnull_operand, handle_sentinel_attribute,
4068         check_function_arguments_recurse): Do not strip NOPS from
4069         INTEGER_CSTs.
4070         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
4071         Likewise.
4072         * c-format.c (get_constant): Likewise.
4073         * c-parser.c (c_parser_postfix_expression): Likewise.
4074         * c-typeck.c (set_init_index): Likewise.
4075         (convert_arguments): Don't check for NOP_EXPR containing integer
4076         constant.
4077
4078 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4079
4080         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
4081         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
4082         Take decomposed arguments of CALL_EXPR.
4083         (fold_builtin_1): Update calls to the functions mentioned
4084         above.
4085
4086 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4087
4088         * c-decl.c (check_bitfield_type_and_width): Require bit-field
4089         width to have integer type.
4090         (build_enumerator): Require enumerator value to have integer type.
4091
4092 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4093
4094         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
4095         to __builtin_inff.
4096
4097 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4098
4099         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
4100         std=iso9899:199x): Correct descriptions.
4101
4102 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4103
4104         * config.gcc: Consistently use solaris2.1[0-9]* instead of
4105         solaris2.1[0-9].
4106
4107 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
4108
4109         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
4110         of CALL_EXPR.
4111         (expand_builtin_memcpy, fold_builtin_1): Update calls to
4112         fold_builtin_memcpy.
4113
4114         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
4115         arguments of CALL_EXPR.
4116         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
4117         fold_builtin_found, fold_builtin_1): Update calls to
4118         fold_trunc_transparent_mathfn.
4119
4120 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4121
4122         PR middle-end/20493
4123         * fold-const.c (fold_widened_comparison): Don't optimize casts of
4124         function pointers on targets that require function pointer
4125         canonicalization.
4126         (fold_sign_changed_comparison): Likewise.
4127
4128 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
4129
4130         * combine.c (try_combine): When changing the mode of a hard reg, make
4131         sure that doing so is valid.
4132
4133 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
4134
4135         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
4136         (TARGET_HANDLE_OPTION): Override default.
4137         (avr_handle_option): New function.
4138         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
4139         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
4140         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
4141         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
4142         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
4143         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
4144         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
4145         (TARGET_OPTIONS): Delete.
4146         * config/avr/avr.opt: New file.
4147
4148 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4149
4150         * config/m32r/m32r-protos.h: Remove the prototypes for
4151         call_address_operand, symbolic_operand, seth_add3_operand,
4152         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4153         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4154         two_insn_const_operand, move_src_operand,
4155         move_double_src_operand, move_dest_operand,
4156         eqne_comparison_operator, signed_comparison_operator,
4157         large_insn_p, conditional_move_operand, carry_compare_operand,
4158         m32r_block_immediate_operand, extend_operand,
4159         reg_or_eq_int16_operand, int8_operand, and
4160         reg_or_zero_operand.
4161         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4162         seth_add3_operand, int8_operand, cmp_int16_operand,
4163         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4164         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4165         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4166         move_double_src_operand, move_dest_operand,
4167         eqne_comparison_operator, signed_comparison_operator,
4168         extend_operand, small_insn_p, large_insn_p,
4169         conditional_move_operand, carry_compare_operand,
4170         m32r_block_immediate_operand): Move to predicates.md.
4171         (MAX_MOVE_BYTES): Move to m32r.h.
4172         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4173         * config/m32r/m32r.md: Include predicates.md.
4174         * config/m32r/predicates.md: New.
4175
4176 2005-03-18  James E Wilson  <wilson@specifixinc.com>
4177
4178         PR c++/19769
4179         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
4180         origin.
4181
4182 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4183
4184         * config/mn10300/mn10300-protos.h: Remove the prototypes for
4185         call_address_operand, const_8bit_operand.
4186         * config/mn10300/mn10300.c (call_address_operand,
4187         const_8bit_operand, const_1f_operand): Move to predicates.md.
4188         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
4189         * config/mn10300/mn10300.md: Include predicates.md.
4190         * config/mn10300/predicates.md: New.
4191
4192 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
4193
4194         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
4195         declarations in diagnostics and %E for identifiers, not %s.
4196
4197 2005-03-18  Jan Hubicka  <jh@suse.cz>
4198             Dale Johannesen  <dalej@apple.com>
4199
4200         * basic-block.h (scale_bbs_frequencies_int,
4201         scale_bbs_frequencies_gcov_type): Declare.
4202         * cfg.c (RDIV): New macro.
4203         (update_bb_frequency_for_threading): Fix.
4204         * basic-block.h (scale_bbs_frequencies_int,
4205         scale_bbs_frequencies_gcov_type): New.
4206         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
4207         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
4208         scale_bbs_frequencies_int.
4209         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
4210
4211 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4212
4213         * config/m32r/m32r-protos.h: Remove the prototypes for
4214         call_address_operand, symbolic_operand, seth_add3_operand,
4215         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4216         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4217         two_insn_const_operand, move_src_operand,
4218         move_double_src_operand, move_dest_operand,
4219         eqne_comparison_operator, signed_comparison_operator,
4220         large_insn_p, conditional_move_operand, carry_compare_operand,
4221         m32r_block_immediate_operand, extend_operand,
4222         reg_or_eq_int16_operand, int8_operand, and
4223         reg_or_zero_operand.
4224         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4225         seth_add3_operand, int8_operand, cmp_int16_operand,
4226         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4227         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4228         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4229         move_double_src_operand, move_dest_operand,
4230         eqne_comparison_operator, signed_comparison_operator,
4231         extend_operand, small_insn_p, large_insn_p,
4232         conditional_move_operand, carry_compare_operand,
4233         m32r_block_immediate_operand): Move to predicates.md.
4234         (MAX_MOVE_BYTES): Move to m32r.h.
4235         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4236         * config/m32r/m32r.md: Include predicates.md.
4237         * config/m32r/predicates.md: New.
4238
4239         * config/pa/pa-protos.h: Add prototypes for magic_milli and
4240         shadd_constant_p.
4241         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
4242         symbolic_operand, symbolic_memory_operand,
4243         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
4244         indexed_memory_operand, move_dest_operand, move_src_operand,
4245         prefetch_cc_operand, prefetch_nocc_operand,
4246         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
4247         arith_operand, arith11_operand, pre_cint_operand,
4248         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
4249         ireg_operand, int5_operand, uint5_operand, int11_operand,
4250         uint32_operand, arith5_operand, and_operand, ior_operand,
4251         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
4252         pc_or_label_operand, div_operand, plus_xor_ior_operator,
4253         shadd_operand, movb_comparison_operator,
4254         cmpib_comparison_operator): Move to predicates.md.
4255         (magic_milli, shadd_constant_p): Make it extern.
4256         * config/pa/pa.h (PREDICATE_CODES): Remove.
4257         * config/pa/pa.md: Include predicates.md.
4258         * config/pa/predicates.md: New.
4259
4260         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
4261         predicate.
4262
4263 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4264
4265         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
4266         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
4267         config/alpha/freebsd.h, config/alpha/linux.h,
4268         config/alpha/netbsd.h, config/alpha/osf5.h,
4269         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
4270         config/h8300/h8300-protos.h, config/h8300/h8300.c,
4271         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
4272         doc/cppopts.texi: Update copyright.
4273
4274 2005-03-18  Jan Hubicka  <jh@suse.cz>
4275
4276         PR middle-end/20225
4277         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
4278         too late.
4279         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
4280         called too late.
4281
4282 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4283
4284         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
4285         VEC_safe_push.
4286
4287 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
4288
4289         * combine.c (gen_binary): Remove.
4290         (known_cond, simplify_shift_const, find_split_point,
4291         combine_simplify_rtx, simplify_if_then_else, simplify_set,
4292         simplify_logical, expand_field_assignment, extract_left_shift,
4293         force_to_mode, if_then_else_cond, apply_distributive_law,
4294         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
4295         simplify_comparison, reversed_comparison): Replace with
4296         simplify_gen_binary, simplify_gen_relational or
4297         distribute_and_simplify_rtx.
4298         (distribute_and_simplify_rtx): New function.
4299
4300 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
4301             Paolo Bonzini  <gcc.gnu.org>
4302
4303         * calls.c (setjmp_call_p, special_function_p): Update comments
4304         at the head of the functions.
4305
4306 2005-03-18  Jan Hubicka  <jh@suse.cz>
4307
4308         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
4309
4310         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
4311         function body should be released; do not proactively release function
4312         bodies in non-unit-at-a-time mode.
4313
4314 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
4315
4316         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
4317         mno-fp-ret-in-387 multilib variants.
4318
4319 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
4320
4321         * common.opt (m): Remove.
4322         * opts.c (handle_option): Pass 'm' options to set_target_switch if
4323         table lookup fails.
4324         (common_handle_option): Remove OPT_m case.
4325
4326 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4327
4328         * builtins.c (fold_builtin_bitop): Take decomposed arguments
4329         of CALL_EXPR.
4330         (fold_builtin_1): Update a call to fold_builtin_bitop.
4331
4332         * builtins.c (fold_builtin_signbit): Take decomposed arguments
4333         of CALL_EXPR.
4334         (fold_builtin_1): Update a call to fold_builtin_signbit.
4335
4336 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
4337
4338         PR tree-optimization/20474
4339         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
4340         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
4341
4342 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4343
4344         * config/h8300/h8300-protos.h: Remove prototypes for
4345         general_operand_src, general_operand_dst, single_one_operand,
4346         single_zero_operand, call_insn_operand,
4347         two_insn_adds_subs_operand, small_call_insn_operand,
4348         jump_address_operand, bit_operand, bit_memory_operand,
4349         stack_pointer_operand, const_int_gt_2_operand,
4350         const_int_ge_8_operand, const_int_qi_operand,
4351         const_int_hi_operand, incdec_operand, bit_operator,
4352         nshift_operator, eqne_operator, gtle_operator,
4353         gtuleu_operator, iorxor_operator.
4354         Add prototypes for h8sx_shift_type h8sx_classify_shift and
4355         h8300_ldm_stm_parallel.
4356         * config/h8300/h8300.c (h8sx_shift_type,): Move to
4357         h8300-protos.h.
4358         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
4359         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
4360         (h8300_ldm_stm_parallel): Make it extern.
4361         (h8300_ldm_parallel, h8300_stm_parallel,
4362         h8300_return_parallel, general_operand_src,
4363         general_operand_dst, h8300_dst_operand, h8300_src_operand,
4364         nibble_operand, reg_or_nibble_operand, single_one_operand,
4365         single_zero_operand, call_insn_operand,
4366         two_insn_adds_subs_operand, small_call_insn_operand,
4367         jump_address_operand, bit_operand, bit_memory_operand,
4368         stack_pointer_operand, const_int_gt_2_operand,
4369         const_int_ge_8_operand, const_int_qi_operand,
4370         const_int_hi_operand, incdec_operand, eqne_operator,
4371         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
4372         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
4373         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
4374         nshift_operator): Move to predicates.md.
4375         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
4376         * config/h8300/h8300.md: Include predicates.md.
4377         * config/h8300/predicates.md: New.
4378
4379 2005-03-17  Richard Henderson  <rth@redhat.com>
4380
4381         * config.gcc (ia64*-*-hpux*): Add extra_options.
4382         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
4383         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4384         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
4385         (ia64_tls_size_string, ia64_tune_string): Remove.
4386         (ia64_tune): Init to PROCESSOR_ITANIUM2.
4387         (TARGET_DEFAULT_TARGET_FLAGS): New.
4388         (TARGET_HANDLE_OPTION): New.
4389         (ia64_override_options): Move options parsing ...
4390         (ia64_handle_option): ... here.  New.
4391         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
4392         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
4393         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
4394         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
4395         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
4396         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
4397         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
4398         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
4399         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
4400         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
4401         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
4402         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
4403         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
4404         TARGET_EARLY_STOP_BITS): Remove.
4405         (TARGET_ILP32): Default false.
4406         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
4407         (enum ia64_inline_type): New.
4408         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4409         * config/ia64/ia64.md: Update for new definitions of
4410         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
4411         * config/ia64/ia64.opt: New file.
4412         * config/ia64/ilp32.opt: New file.
4413
4414 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4415
4416         PR target/18380
4417         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
4418
4419 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4420
4421         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
4422         instead of MASK_H8300S.
4423         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
4424         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
4425         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
4426         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
4427         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
4428         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
4429         TARGET_SWITCHES): Remove.
4430         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
4431         TARGET_H8300SX.
4432         * config/h8300/h8300.opt: New.
4433
4434         * config/alpha/alpha.opt, config/arc/arc.opt,
4435         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
4436         notices.
4437
4438 2005-03-17  Ian Lance Taylor  <ian@airs.com>
4439
4440         * gmon.c: Remove.
4441
4442 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
4443
4444         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
4445         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
4446         (TARGET_HANDLE_OPTION): Override default.
4447         (arc_handle_option): New function.
4448         (arc_init): Remove code to set arch_cpu_string.
4449         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
4450         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
4451         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
4452         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
4453         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
4454         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
4455         (arc_rodata_string, TARGET_OPTIONS): Delete.
4456         * config/arc/arc.opt: New file.
4457
4458 2005-03-17  Richard Henderson  <rth@redhat.com>
4459
4460         * doc/extend.texi (Weak Pragmas): New section.
4461         (attribute alias): Clarify that target must be in the same
4462         translation unit.
4463
4464 2005-03-17  Richard Henderson  <rth@redhat.com>
4465
4466         * config/alpha/alpha.opt: New file.
4467         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
4468         of alpha_cpu.
4469         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
4470         alpha_fprm_string, alpha_fptm_string): Make static.
4471         (alpha_tls_size_string): Remove.
4472         (alpha_handle_option): New.
4473         (override_options): Update for alpha_cpu/alpha_tune split.
4474         (alpha_file_start): Likewise.
4475         (TARGET_DEFAULT_TARGET_FLAGS): New.
4476         (TARGET_HANDLE_OPTION): New.
4477         * config/alpha/alpha.h (alpha_tune): Declare.
4478         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
4479         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
4480         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
4481         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
4482         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
4483         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
4484         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
4485         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
4486         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
4487         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
4488         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
4489         (TARGET_DEFAULT): Remove MASK_FP.
4490         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
4491         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
4492         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
4493         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
4494         alpha_tls_size_string): Remove.
4495         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
4496         (attribute tune): Rename from attribute cpu.
4497         * config/alpha/ev4.md: Update to match.
4498         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
4499         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
4500         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
4501         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
4502         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
4503         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
4504
4505 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
4506
4507         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
4508         and return without creating new state if before_nops_num is nonzero.
4509         * config/ia64/ia64.md (first_insn): New attribute.
4510         (alloc): Set it to yes.
4511
4512 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4513
4514         * tree-vectorizer.c (new_vec_stmt_info): Initialize
4515         STMT_VINFO_SUBVARS to NULL.
4516         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4517
4518 2005-03-16 Dale Johannesen  <dalej@apple.com>
4519
4520         * rtlanal.c (find_first_parameter_load):  Rewrite to
4521         return actual first param load or the call if none,
4522         instead of first in block, when not all loads exist.
4523
4524 2005-03-16  Roger Sayle  <roger@eyesopen.com>
4525
4526         * optabs.c (expand_copysign_absneg): Make static.
4527         * optabs.h (expand_copysign_absneg): Delete prototype.
4528         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
4529
4530 2005-03-16  Richard Henderson  <rth@redhat.com>
4531
4532         PR middle-end/15700
4533         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
4534         (alias_pairs): Rename from output_defs.
4535         (find_decl_and_mark_needed): Split out from assemble_alias.
4536         (do_assemble_alias): New.
4537         (assemble_output_def): Remove.
4538         (finish_aliases_1, finish_aliases_2): New.
4539         (process_pending_assemble_output_defs): Remove.
4540         (assemble_alias): Defer aliases for which we don't yet have a
4541         non-external decl for the target symbol.
4542         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
4543         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
4544         * toplev.c (compile_file): Use finish_aliases_2 instead of
4545         process_pending_assemble_output_defs.
4546         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
4547         (process_pending_assemble_output_defs): Remove.
4548
4549 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4550
4551         Fix PR tree-optimization/20489
4552
4553         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
4554         for empty structures.
4555
4556 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4557
4558         Fix PR tree-optimization/20490
4559
4560         * tree-ssa-pre.c (create_expression_by_pieces): Use
4561         force_gimple_operand on result of fold.
4562
4563 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
4564
4565         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
4566         of closing parenthesis.
4567
4568 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
4569
4570         * builtins.c (expand_movstr): Update a call to
4571         fold_builtin_strcpy.
4572         (expand_builtin_strncpy): Update a call to
4573         fold_builtin_strncpy.
4574         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
4575         arguments of CALL_EXPR.
4576         (fold_builtin_1): Update calls to fold_builtin_strcpy and
4577         fold_builtin_strncpy.
4578         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
4579         * tree.h: Update the prototypes of fold_builtin_strcpy and
4580         fold_builtin_strncpy.
4581
4582 2005-03-16  Steven Bosscher  <stevenb@suse.de>
4583             Dorit Naishlos  <dorit@il.ibm.com>
4584
4585         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
4586         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
4587         error.
4588
4589 2005-03-16  Steven Bosscher  <stevenb@suse.de>
4590
4591         * tree-inline.c (walk_type_fields, walk_tree,
4592         walk_tree_without_duplicates): Move from here...
4593         * tree.c: ...to here.
4594
4595 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
4596
4597         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
4598         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
4599         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
4600         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
4601         (version): Define using $(BASEVER_c).
4602         (Makefile, config.status, build/gcov-iov.o): No longer depends on
4603         version.c.
4604         (version.o): Depend on version files; add custom generation command.
4605         (prefix.o): Define BASEVER on command line.
4606         (s-iov): Depend on version files; adjust command.
4607         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
4608         Add gcc-vers.texi.
4609         (gcc-vers.texi): New rule.
4610         (doc/%.info, doc/%.dvi): Add -I . to command line.
4611         (doc/gccinstall.dvi): Likewise.
4612         (PACKAGE): Delete.  All uses replaced with "gcc".
4613         * aclocal.m4: Do not include gcc-version.m4.
4614         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
4615         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
4616         Set is_release based on contents of DEV-PHASE.
4617         Set gcc_version based on contents of BASE-VER.
4618         Define WIN32_REGISTRY_KEY only if the user overrode the default.
4619         * config.in, configure: Regenerate.
4620         * gccbug.in: Determine version of GCC in use at runtime.
4621         * gcov-iov.c: Get version number and development phase from
4622         command line, not by including version.c.
4623         * intl.c: Replace all uses of PACKAGE with "gcc".
4624         * libada-mk.in: Delete unused "gcc_version" variable.
4625         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
4626         * version.c: (VERSUFFIX): New hook for redistributors; adjust
4627         commentary to match.
4628         (version_string): Put together from pieces.
4629         * config/alpha/x-vms: Do not use $(gcc_version).
4630         * config/i386/t-nwld: Likewise.
4631         * doc/include/gcc-common.texi: Include gcc-vers.texi for
4632         version-GCC and DEVELOPMENT.
4633
4634 2005-03-15  Roger Sayle  <roger@eyesopen.com>
4635
4636         PR tree-optimization/17454
4637         * tree.c (tree_size): Add case for TREE_BINFO.
4638         * fold-const.c (fold_checksum_tree): Only clear the overloaded
4639         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
4640
4641 2005-03-15  Roger Sayle  <roger@eyesopen.com>
4642
4643         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
4644         op1 whilst expanding the signed widenening multiply variant.
4645
4646 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
4647
4648         * toplev.c (display_target_options): Avoid unused variable warning if
4649         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
4650         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
4651         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
4652         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
4653         (mips_isa_info): New variable.
4654         (mips_parse_cpu): Remove the first argument and leave the caller
4655         to report errors.
4656         (TARGET_HANDLE_OPTION): Override default.
4657         (mips_handle_option): New function.  Move option validation code from...
4658         (override_options): ...here.  Update calls to mips_parse_cpu.
4659         * config/mips/mips.h (mips_arch_string, mips_tune_string)
4660         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
4661         (SUBTARGET_TARGET_OPTIONS): Delete.
4662         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
4663         (mno-flush-func, mtune=): New options.
4664
4665 2005-03-15  Roger Sayle  <roger@eyesopen.com>
4666             Richard Henderson  <rth@redhat.com>
4667
4668         * real.c (c4x_single_format, c4x_extended_format): Provide values
4669         for signbit_ro for c4x's single and extended floating point formats.
4670         * optabs.c (expand_copysign): Use the floating point format's
4671         signbit_ro for expanding via expand_copysign_absneg, and it's
4672         signbit_rw field for expanding via expand_copysign_bit.
4673
4674 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
4675
4676         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
4677         known_alignment_for_access_p.
4678         (known_alignment_for_access_p): New.
4679         (do_peeling_for_alignment): Field made int instead of bool and renamed
4680         to peeling_for_alignment.
4681         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
4682         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
4683         functionality used to be in vect_analyze_operations.
4684         (vect_analyze_operations): Code to determine vectorization factor was
4685         moved to vect_determine_vectorization_factor.
4686         (vect_enhance_data_refs_alignment): Update to correct alignment when it
4687         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
4688         factor.
4689         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
4690         be part of vect_analyze_operations).
4691         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
4692         creating the guard condition, as the number of iterations may be
4693         constant.
4694         (slpeel_tree_peel_loop_to_edge): Use new name of
4695         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
4696         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
4697         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
4698         (vect_do_peeling_for_alignment): Use fold.
4699         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
4700
4701         (vect_update_inits_of_dr): Renamed to
4702         vect_update_init_of_dr.
4703         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
4704         (vectorizable_store): Fix assertion to use == instead of =.
4705
4706 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
4707
4708         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
4709         call_used_regs for wCG registers.
4710
4711 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
4712
4713         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
4714         for non-offsettable memory references to cope with outstanding reload
4715         replacements, take 2.
4716
4717 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
4718
4719         PR target/18668
4720         * config/i386/i386.h (x86_fisttp): New.
4721         (TARGET_FISTTP): New macro.
4722         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
4723         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
4724         instruction when fisttp flag is set.
4725         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
4726
4727         * config/i386/i386.md (type attribute): Add fisttp.
4728         (unit attribute): Set to i387 for fisttp type.
4729         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
4730         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
4731         TARGET_FISTTP.
4732         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
4733         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
4734         macros.
4735         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
4736         patterns for TARGET_FISTTP.  Enable patterns for
4737         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
4738         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
4739         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
4740         implement fisttp x87 insn.
4741         (fix_trunc*_i387_fisttp splitters): New patterns.
4742         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
4743         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
4744         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
4745         clobber.
4746         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
4747         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
4748         Implement using mode macros. Disable patterns for TARGET_FISTTP.
4749         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
4750         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
4751         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
4752         Disable patterns for TARGET_FISTTP.
4753         (fix_trunc*_i387 splitters): Implement usign mode macros.
4754         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
4755         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
4756         (fix_trunx*_sse peephole2s): Implement using mode macros.
4757
4758 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
4759
4760         PR rtl-optimization/20291
4761         * combine.c (try_combine): If splitting fails, re-try with
4762         original combined pattern, i.e. before clobber stripping.
4763
4764 2005-03-14  Eric Christopher  <echristo@redhat.com>
4765
4766         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
4767         STACK_GROWS_DOWNWARD.
4768
4769 2005-03-14  Roger Sayle  <roger@eyesopen.com>
4770
4771         * real.h (struct real_format): Split the signbit field into two
4772         two fields, signbit_ro and signbit_rw.
4773         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
4774         mips_double_format, ieee_extended_motorola_format,
4775         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
4776         ieee_extended_intel_128_format, ibm_extended_format,
4777         mips_extended_format, ieee_quad_format, mips_quad_format,
4778         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
4779         i370_double_format, c4x_single_format, c4x_extended_format,
4780         real_internal_format): Update initializers for new field.
4781         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
4782         real_format structure.
4783         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
4784         field of the real_format structure.
4785
4786 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
4787
4788         Fix PR tree-optimization/20458
4789
4790         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
4791         DECL_EXTERNAL on STRUCT_FIELD tags.
4792         (clear_call_clobbered): Ditto.
4793         * tree-ssa-operands.c (note_addressable): Make sure the original
4794         variable doesn't slip into the addressable list if we have
4795         subvars.
4796         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
4797         tags too.
4798
4799 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
4800
4801         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
4802         (-fwide-exec-charset): Likewise.
4803         (-finput-charset): Likewise.
4804         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
4805         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
4806         * c.opt (Wnormalized): New.
4807
4808 2005-03-14  Devang Patel  <dpatel@apple.com>
4809
4810         * doc/invoke.texi: Add reference to Visibility document.
4811
4812 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
4813
4814         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
4815         MASK_SPLIT_ADDRESSES.
4816         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
4817         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
4818         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
4819         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
4820         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
4821         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
4822         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
4823         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
4824         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
4825         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
4826         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
4827         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
4828         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
4829         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
4830         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
4831         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
4832         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
4833         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
4834         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
4835         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
4836         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
4837         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
4838         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
4839         (TARGET_EXPLICIT_RELOCS): Delete.
4840         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
4841         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
4842         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
4843         (override_options): Set MASK_LONG64 if -mint64 is given and no
4844         -mlongXX option is.  Complain about -mint64 -mlong32.
4845         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
4846         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
4847         * config/mips/mips.opt: New file.
4848
4849 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
4850
4851         * config.gcc (extra_options): New variable for listing option files.
4852         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
4853         * configure.ac (extra_opt_files): New AC_SUBST variable.
4854         (tm_file_list, tm_include_list): Include options.h first.
4855         * configure: Regenerate.
4856         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
4857         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
4858         (s-options-h): New rule.
4859         (options.h): Depend on it.
4860         (TEXI_GCCINT_FILES): Add options.texi.
4861         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
4862         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
4863         * target.h (gcc_target): Add default_target_flags and handle_option.
4864         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
4865         (TARGET_HANDLE_OPTION): New macros.
4866         (TARGET_INITIALIZER): Include them.
4867         * opt-functions.awk (opt_args, nth_arg): New functions.
4868         (switch_flags): Handle the "Target" flag.
4869         (var_args): Delete.
4870         (var_name): Use opt_args and nth_arg.
4871         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
4872         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
4873         macros for the "Mask" and "InverseMask" options.
4874         * opts.h (cl_var_cond): New enum.
4875         (cl_option): Replace the "has_set_value" and "set_value" fields with
4876         "var_cond" and "var_value".
4877         (CL_TARGET): New macro.
4878         (option_enabled, print_filtered_help): Declare.
4879         (decode_options): Move definition.
4880         * opts.c (handle_option): Search for the original option before
4881         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
4882         var_cond and var_value fields.  Use targetm.handle_option to handle
4883         target options.
4884         (decode_options): Set target_flags to targetm.default_target_flags.
4885         (print_filtered_help): Make global.  Handle CL_TARGET.
4886         (option_enabled): New function.
4887         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
4888         (display_target_options, set_target_switch, print_switch_values)
4889         (default_pch_valid_p): Guard uses of target_switches with
4890         #ifdef TARGET_SWITCHES.  Also...
4891         (display_target_options): Display the CL_TARGET entries in cl_options.
4892         (set_target_option): Don't complain about the "" option when
4893         TARGET_SWITCHES is undefined.
4894         (print_switch_values): Use option_enabled.
4895         (default_pch_valid_p): Check cl_options[] when looking for something
4896         that has changed the value of target_flags.
4897         * c.opt: Remove documentation from top of file.
4898         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
4899         * doc/sourecebuild.texi: Refer to the new options documentation
4900         instead of c.opt.  Document machine-specific .opt files.
4901         * doc/tm.texi (target_flags): Say that this variable is declared
4902         by options.h.
4903         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
4904         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
4905         an alternative.
4906         * doc/options.texi: New file.
4907
4908 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
4909
4910         PR middle-end/18628
4911         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
4912         register.
4913
4914 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
4915
4916         PR c++/20280
4917         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
4918         temporary variable of pointer type if an lvalues is required.
4919         (gimplify_modify_expr_rhs): Request an rvalue from it.
4920         (gimplify_expr): Pass fallback on.
4921
4922 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
4923
4924         * cfgbuild.c: Update comments.
4925
4926 2005-03-14  Roger Sayle  <roger@eyesopen.com>
4927
4928         PR rtl-optimization/17236
4929         * optabs.c (expand_doubleword_mult): New helper function split out
4930         from expand_binop.  Permute the order in which instructions are
4931         emitted to minimize the number of simultaneously live registers.
4932         (expand_binop): Call expand_doubleword_mult to synthesize a double
4933         word multiplication.
4934
4935 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
4936
4937         * basic-block.h: Update the prototypes of cached_make_edge and
4938         rtl_make_eh_edge.
4939         * cfg.c (cached_make_edge): Take edge_cache representing one
4940         row of the adjacency matrix of edges.
4941         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
4942         (make_edges): Initialize edge_cache to represent one row of
4943         the adjacency matrix of edges.
4944
4945 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
4946
4947         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
4948         New functions.
4949         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
4950         Remove unused removed_phis variable.
4951         (conditional_replacement): Use build1/build2.
4952         (abs_replacement): Use last_and_only_stmt and build1/build2.
4953
4954 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
4955
4956         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
4957         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
4958         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
4959         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
4960         * c-common.c (handle_novops_attribute): New function.
4961         (c_common_attribute_table): Add "no vops" entry.
4962         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
4963         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
4964         * tree-ssa-operands.c (get_call_expr_operands): Do not
4965         create virtual operands for calls with ECF_NOVOPS flag.
4966         * tree.h (DECL_IS_NOVOPS): New macro.
4967         (struct tree_decl): Add novops_flag.
4968         (ECF_NOVOPS): New constant.
4969
4970 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
4971
4972         PR target/17688
4973         * config/i386/i386.c (x86_use_himode_fiop): New.
4974         (x86_use_simode_fiop): Rename from x86_use_fiop.
4975         * config/i386/i386.h (x86_use_himode_fiop): Declare.
4976         (TARGET_USE_HIMODE_FIOP): New.
4977         (x86_use_simode_fiop): Rename from x86_use_fiop.
4978         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
4979
4980         * config/i386/i386.md (X87MODEI12): New mode macro define.
4981         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
4982         to implement x87 FP compare with HImode input operands.
4983         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
4984         Use X87MODEI12 mode macro to handle HImode input operands.
4985         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
4986         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
4987         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
4988         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
4989         macro to implement x87 operators with HImode input operands.
4990         (fop splitters): Use X87MODEI12 mode macro to handle HImode
4991         input operands.
4992
4993 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
4994
4995         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
4996         integer_zerop.
4997         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
4998         constants invariant.
4999
5000 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5001
5002         * basic-block.h (BB_VISITED): Removed.
5003         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
5004
5005 2005-03-14  Falk Hueffner  <falk@debian.org>
5006
5007         PR bootstrap/20424
5008         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
5009
5010 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5011
5012         * ggc-zone.c: Fix comment typos.
5013
5014         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
5015         stringpool.c, config/mips/mips-protos.h: Update copyright.
5016
5017 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5018
5019         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
5020         throughout with its typedef, "rtx".
5021         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
5022         (rs6000_tls_symbol_ref_1): Remove inline keyword.
5023         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
5024         regs in comment to match code.
5025
5026 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5027
5028         * except.c (check_handled): Make it static.
5029         * except.h: Remove the corresponding prototype.
5030
5031         * function.c (get_func_frame_size): Make it static.
5032         * function.h: Remove the corresponding type.
5033
5034         * regclass.c (reg_class_superclasses, reg_class_subclasses):
5035         Make them static.
5036         * hard-reg-set.h: Remove the corresponding declarations.
5037
5038         * tree-cfg.c (verify_stmts): Check that
5039         bb_for_stmt (stmt) == bb for every PHI node and statement.
5040
5041 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5042
5043         * config.gcc: Remove excess indentation.
5044         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
5045
5046 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5047
5048         PR middle-end/19331
5049         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
5050         * fold-const.c (fold_sign_changed_comparison): Likewise.
5051         (fold_binary): Optimize comparisons against widened operands if
5052         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
5053
5054 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5055
5056         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
5057         (sparc_override_options): Initialize it.
5058         (sparc_struct_value_rtx): Set it on the MEM to be returned.
5059
5060 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
5061
5062         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
5063         (reg_or_none500mem_operand): New predicate.
5064         (zero_reg_mem_operand): New predicate.
5065         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
5066         to reg_or_none500mem_operand.
5067         (extendsfdf2_fpr): Add MEM alternative.
5068         (extenddftf2_internal): Change operand2 predicate to
5069         zero_reg_mem_operand.
5070
5071 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5072
5073         * ggc-zone.c: Rewritten.
5074
5075         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
5076         if there are none.
5077         * configure.ac: Define GGC_ZONE for --with-gc=zone.
5078         * config.in: Regenerated.
5079         * configure: Regenerated.
5080         * gengtype.c (write_types_process_field, write_func_for_structure):
5081         Pass new argument to gt_pch_note_object.
5082         * ggc-common.c (struct ptr_data): Add TYPE.
5083         (gt_pch_note_object): Take TYPE argument and save it.
5084         (call_count): Update call to ggc_pch_count_object.
5085         (call_alloc): Update call to ggc_pch_alloc_object.
5086         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
5087         file.
5088         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
5089         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
5090         (ggc_alloc_zone_stat): Delete.
5091         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
5092         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
5093         (ggc_pch_alloc_object): Update prototypes.
5094         (garbage_zone): Delete.
5095         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
5096         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
5097         pointers.
5098         (tree_id_zone): New variable.
5099         (ggc_alloc_cleared_zone): Remove unused.
5100         (ggc_alloc_zone): Define.
5101         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
5102         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
5103         ggc_alloc_zone_stat.
5104         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
5105         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
5106         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
5107         (make_node_stat): Likewise.  Use tree_id_zone.
5108
5109 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5110             Joseph S. Myers  <joseph@codesourcery.com>
5111
5112         * configure.ac: Check for MIPS TLS.
5113         * configure: Regenerated.
5114         * config/mips/mips-protos.h (enum mips_symbol_type): Add
5115         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
5116         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
5117         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
5118         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
5119         (mips_classify_symbol, mips_symbolic_constant_p)
5120         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
5121         (mips_tls_operand_p, mips_call_tls_get_addr)
5122         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
5123         (mips_tls_symbol_ref_1): New functions.
5124         (mips_legitimize_address, mips_legitimize_const_move): Call
5125         mips_legitimize_tls_address.
5126         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
5127         for MIPS16.
5128         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
5129         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
5130         (mips_char_to_class): Document V1_REG.
5131         (HAVE_AS_TLS): Provide default.
5132         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
5133         constants.
5134         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
5135         !TARGET_ABICALLS.
5136         (tls_get_tp_<mode>): New instruction.
5137
5138 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5139
5140         * configure.ac: Update checks for target tools.
5141         * configure: Regenerated.
5142
5143 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5144
5145         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
5146
5147 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5148
5149         * expmed.c (expand_mult): Use synthetic multiplication sequences for
5150         more classes of DImode multiplication by constant.  Allow both
5151         multiplication by small negative constants (by performing a
5152         multiplication by a positive constant and negating the result) and
5153         multiplications by large powers of two, by using a left shift.
5154
5155 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5156
5157         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
5158         of basic blocks into work_stack.
5159
5160         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
5161         config/mips/vr.h: Update copyright.
5162
5163         * c-decl.c (c_init_decl_processing): Remove useless calls to
5164         build_function_type.
5165
5166         * builtins.c (fold_trunc_transparent_mathfn,
5167         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
5168         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5169         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
5170         fold_builtin_strcpy, fold_builtin_strncpy,
5171         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
5172         TREE_TYPE (exp).
5173
5174         * builtins.c (expand_builtin_mathfn_3): Remove local variable
5175         before_call.
5176
5177         * lambda-code.c (lambda_compute_auxillary_space): Remove local
5178         variable determinant.
5179
5180         * tree-cfg.c (group_case_labels): Remove local variable type.
5181
5182         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
5183         variable ann.
5184
5185         * tree-ssa-phiopt.c (value_replacement): Remove local variable
5186         result.
5187
5188 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
5189
5190         PR target/18251
5191         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
5192         (*movmemqi_insn): Delete.
5193         (*movmemhi): Delete.
5194
5195 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5196
5197         * builtins.c (fold_builtin_classify): Take decomposed
5198         arguments of CALL_EXPR.
5199         (fold_builtin_1): Update a call to fold_builtin_classify.
5200
5201 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
5202
5203         PR c/20402
5204         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
5205         through into call to parser_xref_tag after parse error.
5206         (c_parser_struct_declaration): Consistently return NULL_TREE on
5207         error.
5208
5209 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
5210
5211         * tree-flow-inline.h (ref_contains_array_ref): New function.
5212         (lookup_subvars_for_var): Ditto.
5213         (get_subvars_for_var): Ditto.
5214         (var_can_have_subvars): Ditto.
5215
5216         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
5217         (struct subvar): New type.
5218
5219         * tree-dfa.c (okay_component_ref_for_subvars): New function.
5220
5221         * tree-optimize.c (init_tree_optimization_passes): Call
5222         pass_create_structure_vars.
5223
5224         * tree-ssa-alias.c: Include vec.h.
5225         (init_alias_info): Don't auto-clear call clobbered on struct-field
5226         tags.
5227         (compute_flow_insensitive_aliasing): Handle subvars.
5228         (group_aliases): Handle STRUCT_FIELD aliases.
5229         (setup_pointers_and_addressables): Ditto.
5230         Don't mark variables non-addressable if they still have
5231         addressable subvars.
5232         Also mark subvars addressable when the real variable is marked
5233         addressable.
5234         (add_pointed_to_var): Try to prune the pointed-to set by only
5235         pointing to subvars when possible.
5236         Otherwise, make sure we set addresses_needed and pt_vars to
5237         properly include subvars.
5238         (bitpos_of_field): New function.
5239         (push_fields_onto_fieldstack): Ditto.
5240         (get_or_create_used_part_for): Ditto.
5241         (create_overlap_variables_for): Ditto.
5242         (find_used_portions): Ditto.
5243         (create_structure_vars): Ditto.
5244         (pass_create_structure_vars): New structure.
5245
5246         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
5247         (get_expr_operands): Handle subvars.  Also try to turn
5248         COMPONENT_REF accesses into must-defs now that we can accurately
5249         portray it.
5250         (note_addressable): Try to only mark as addressable those subvars
5251         we know a COMPONENT_REF touches.
5252         (overlap_subvar): New function.
5253
5254         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
5255         Handle subvar storing.
5256         (vect_address_analysis): Update caller of vect_object_analysis.
5257
5258         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
5259
5260         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
5261         (STMT_VINFO_SUBVARS): New macro.
5262
5263         * common.opts: add flag_tree_salias.
5264
5265         * opts.c (decode_options): flag_tree_salias defaults to on.
5266
5267         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
5268
5269         * doc/tree-ssa.texi: Document structural alias analysis.
5270
5271 2005-03-12  Steven Bosscher  <stevenb@suse.de>
5272
5273         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
5274         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
5275         * tree-ssa-operands.c (get_expr_operands): Likewise.
5276         (get_expr_operands): Likewise for ERROR_MARK.
5277
5278 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5279
5280         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
5281         var.
5282
5283         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
5284         removed_phis.
5285
5286         * tree-ssa-pre.c (compute_avail): Remove local variable val.
5287         (mark_operand_necessary): Remove local variable ver.
5288
5289         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
5290         variable prefix_len.
5291
5292         * value-prof.c (mod_subtract_transform): Remove local variable
5293         value.
5294
5295         * builtins.c (fold_builtin_exponent): Take decomposed
5296         arguments of CALL_EXPR.
5297         (fold_builtin_1): Update a call to fold_builtin_exponent.
5298
5299         * builtins.c (fold_builtin_logarithm): Take decomposed
5300         arguments of CALL_EXPR.
5301         (fold_builtin_1): Update a call to fold_builtin_logarithm.
5302
5303         * c-decl.c (c_init_decl_processing): Remove local variables
5304         ptr_ftype_void and ptr_ftype_ptr.
5305
5306         * gimplify.c (gimplify_expr): Remove local variables r0 and
5307         r1.
5308
5309         * reg-stack.c (move_for_stack_reg): Remove local variable
5310         push_insn.
5311         (compare_for_stack_reg): Remove local variable flags_user.
5312         (convert_regs_1): Remove local variable deleted.
5313
5314         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
5315         variable new_cond.
5316         (combine_blocks): Remove local variables exits and new_e.
5317
5318         * tree-inline.c (expand_call_inline): Remove local variable
5319         decl.
5320
5321         * tree-ssa-live.c (create_ssa_var_map,
5322         calculate_live_on_entry): Remove local variable snn.
5323
5324 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
5325
5326         * c-lex.c (c_lex_with_flags): Add parameter to call to
5327         cpp_spell_token.
5328
5329 2005-03-11  Per Bothner  <per@bothner.com>
5330
5331         * c-tree.h (struct c_declarator): New id_loc field.
5332         * c-pragma.h (c_lex_with_flags): Take position reference.
5333         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
5334         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
5335         (c_lex): Pass dummy location to c_lex_with_flags.
5336         * c-parser.c (c_lex_one_token): Set c_token's location using
5337         c_lex_with_flags, instead of input_location, which might be "ahead".
5338         (c_parser_direct_declarator): Set declarator's id_loc from
5339         c_token's id_loc.
5340         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
5341         declarator's id_loc, rather than probably-imprecise input_location.
5342         (build_id_declarator): Initialize c_declarator's id_loc field.
5343
5344 2005-03-11  Roger Sayle  <roger@eyesopen.com>
5345
5346         PR middle-end/20419
5347         * builtins.c (expand_builtin_signbit): Force the signbit's word
5348         into an integer register to avoid SUBREGs of floating point modes.
5349
5350 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5351
5352         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
5353         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
5354         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
5355         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
5356
5357 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
5358
5359         PR rtl-optimization/20306
5360         * expr.c (emit_move_complex): Set try_int false if mode is
5361         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
5362         emit_block_move if try_int is true.
5363
5364 2005-03-11  Richard Henderson  <rth@redhat.com>
5365
5366         PR target/20415
5367         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
5368         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
5369         to match.
5370
5371 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5372
5373         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
5374         (TARGET_FIX_VR4130): New macro.
5375         (TARGET_OPTIONS): Add -mfix-vr4130.
5376         (ISA_HAS_MACCHI): New macro.
5377         (ASM_SPEC): Add -mfix-vr4130.
5378         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
5379         (override_options): Handle mips_fix_vr4130_string.
5380         (mips_avoid_hazards): Clear all_noreorder_p
5381         if we're working around VR4130 errata and the macc alternatives
5382         are not available.
5383         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
5384         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
5385         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
5386         (MULTILIB_DEFAULTS): Remove leading "march=".
5387         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
5388         if no architecture option is given.
5389         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
5390         VR4130 multilibs.
5391         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
5392         * doc/invoke.texi: Document -mfix-vr4130.
5393
5394 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5395
5396         * config/mips/mips.c (override_options): Only warn about -mint64
5397         deprecation if TARGET_INT64.
5398
5399 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5400
5401         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
5402         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
5403         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
5404         are non-specific regarding the nonnull parameter positions.
5405         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
5406         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
5407         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
5408         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
5409
5410         * builtins.def: Use the non-specific "nonnull" attibute lists.
5411
5412 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5413
5414         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5415         single_pred_edge, single_succ, single_pred): Improve comments.
5416
5417 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5418
5419         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5420         single_pred_edge, single_succ, single_pred): New inline functions.
5421         * bb-reorder.c (rotate_loop, find_traces_1_round,
5422         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
5423         duplicate_computed_gotos): Use the single_succ/pred functions.
5424         * cfganal.c (forwarder_block_p): Ditto.
5425         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
5426         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
5427         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
5428         merge_seq_blocks): Ditto.
5429         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
5430         * cfglayout.c (fixup_reorder_chain): Ditto.
5431         * cfgloop.c (mark_single_exit_loops, update_latch_info,
5432         canonicalize_loop_headers, verify_loop_structure): Ditto.
5433         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
5434         mfb_update_loops, create_preheader, force_single_succ_latches,
5435         create_loop_notes): Ditto.
5436         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
5437         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
5438         commit_one_edge_insertion, purge_dead_edges,
5439         cfg_layout_can_merge_blocks_p): Ditto.
5440         * except.c (sjlj_emit_function_enter): Ditto.
5441         * flow.c (init_propagate_block_info): Ditto.
5442         * function.c (thread_prologue_and_epilogue_insns): Ditto.
5443         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
5444         insert_insn_end_bb): Ditto.
5445         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
5446         find_if_case_2): Ditto.
5447         * lambda-code.c (perfect_nestify): Ditto.
5448         * lcm.c (optimize_mode_switching): Ditto.
5449         * loop-doloop.c (doloop_modify): Ditto.
5450         * loop-init.c (loop_optimizer_init): Ditto.
5451         * loop-iv.c (simplify_using_initial_values): Ditto.
5452         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
5453         * loop-unswitch.c (unswitch_loop): Ditto.
5454         * modulo-sched.c (generate_prolog_epilog): Ditto.
5455         * predict.c (combine_predictions_for_insn, estimate_probability,
5456         tree_estimate_probability, last_basic_block_p,
5457         estimate_bb_frequencies): Ditto.
5458         * profile.c (branch_prob): Ditto.
5459         * regrename.c (copyprop_hardreg_forward): Ditto.
5460         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
5461         * tracer.c (layout_superblocks): Ditto.
5462         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
5463         cfg_remove_useless_stmts_bb, cleanup_control_flow,
5464         cleanup_control_expr_graph, disband_implicit_edges,
5465         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
5466         tree_verify_flow_info, tree_make_forwarder_block,
5467         tree_forwarder_block_p, remove_forwarder_block,
5468         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
5469         * tree-if-conv.c (tree_if_conversion): Ditto.
5470         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
5471         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
5472         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
5473         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
5474         copy_loop_headers): Ditto.
5475         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
5476         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
5477         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
5478         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
5479         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
5480         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
5481         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
5482         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
5483         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
5484         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
5485         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
5486         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
5487         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
5488         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
5489         slpeel_add_loop_guard): Ditto.
5490
5491 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
5492
5493         PR tree-optimization/15784
5494         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
5495         and -1 - A to ~A.
5496
5497         * stmt.c (expand_case): Don't change index_type.  Convert minval
5498         to the proper type.
5499
5500         PR tree-optimization/20130
5501         * fold-const.c (fold): Fold x * -1 into -x.
5502
5503 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
5504
5505         PR rtl-optimization/20331
5506         * rtlanal.c (modified_between_p): Check its address first for MEM.
5507         (modified_in_p): Likewise.
5508
5509 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
5510
5511         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
5512
5513 2005-03-10  Steven Bosscher  <stevenb@suse.de>
5514
5515         * expr.c (expand_expr_real_1): If possible, use a conditional
5516         move for expanding MIN_EXPR and MAX_EXPR.
5517         Use temp for moving around rtx-en.
5518
5519 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
5520
5521         PR rtl-opt/20412
5522         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
5523         correct mode.
5524
5525 2005-03-10  Roger Sayle  <roger@eyesopen.com>
5526
5527         * builtins.c (expand_builtin_signbit): Extend to handle floating
5528         point modes wider than the largest integer type, using the
5529         operand_subword_force function to obtain the signbit's word.
5530
5531 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
5532
5533         PR target/20322
5534         * combine.c (try_combine): If recog_for_combine added CLOBBERs
5535         to NEWI2PAT, fail to combine if they are used by NEWPAT.
5536
5537 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
5538
5539         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
5540
5541 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
5542
5543         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
5544         type void.
5545         (perform_edge_inserts): Unconditionally call
5546         free_dominator_info.
5547
5548         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
5549
5550 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
5551
5552         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
5553
5554 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
5555
5556         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
5557
5558         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
5559         gcc_unreachable.
5560         (rtl_register_value_prof_hooks,
5561         tree_value_profile_transformations,
5562         tree_register_value_prof_hooks): Likewise.
5563         * var-tracking.c (stack_adjust_offset_pre_post,
5564         variable_htab_free, variable_union, dataflow_set_different_2,
5565         count_uses, variable_was_changed, set_frame_base_location,
5566         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
5567         vt_add_function_parameters): Likewise.
5568         * varasm.c (named_section_real, named_section, make_decl_rtl,
5569         asm_emit_uninitialised, assemble_integer, decode_addr_const,
5570         const_hash_1, compare_constant, copy_constant, force_const_mem,
5571         output_constant_pool_2, output_constant_pool_1, output_constant,
5572         output_constructor, make_decl_one_only, decl_tls_model,
5573         default_no_named_section, default_elf_select_section_1,
5574         default_unique_section_1): Likewise.
5575         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
5576         * vmsdbgout.c (addr_const_to_string): Likewise.
5577
5578         PR c++/20375
5579         * function.c (struct assign_parm_data_one): Remove last_named
5580         field.
5581         (assign_parm_find_data_types): Don't determine last_named.
5582         Reorder named_parm determination.
5583         (assign_parms): Only setup varargs on the last non-varadic
5584         parameter.
5585
5586 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
5587
5588         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
5589         sda base address on medium model.
5590
5591 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
5592
5593         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
5594         * cfgloop.c (flow_loop_nodes_find): Export.
5595         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
5596         Declare.
5597         * cfgloopmanip.c (fix_loop_structure): New function.
5598         * predict.c (predict_loops): Clean up the loops information.
5599         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
5600         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
5601         loop structure.
5602         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
5603         (rewrite_into_loop_closed_ssa): Declaration changed.
5604         * tree-loop-linear.c (linear_transform_loops): Add argument to
5605         rewrite_into_loop_closed_ssa call.
5606         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5607         * tree-ssa-loop-im.c (move_computations): Ditto.
5608         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5609         * tree-vectorizer.c (vectorize_loops): Ditto.
5610         * tree-optimize.c: Include cfgloop.h.
5611         (execute_todo): Choose whether to call cleanup_tree_cfg or
5612         cleanup_tree_cfg_loop.
5613         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
5614         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
5615         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
5616         cleanup_tree_cfg_loop call.
5617         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
5618         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
5619         work on part of cfg.
5620
5621 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
5622
5623         PR inline-asm/20314
5624         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
5625         with multiple alternatives.
5626
5627         * stmt.c (parse_output_constraint): Fix a typo.
5628
5629 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
5630
5631         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
5632         assembly directive instead of deprecated "no-generics".
5633
5634 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
5635
5636         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
5637         for non-offsettable memory references to cope with outstanding reload
5638         replacements.
5639         * config/s390/s390.md ("reload_outti"): Call find_replacement to
5640         avoid losing outstanding address reloads.
5641         ("reload_outdi", "reload_outdf"): Likewise.
5642
5643 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5644
5645         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
5646         code.  Add more cbrt transformations.
5647
5648 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5649
5650         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
5651
5652 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
5653
5654         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
5655         NULL_TREE when a given tree is not simplified.
5656         (fold): Return the original tree when any of the functions
5657         mentioned above NULL_TREE.
5658
5659         * fold-const.c (fold_unary, fold_binary): Take decomposed
5660         arguments, code, type, op0, and op1 in case of fold_binary.
5661         (fold): Update calls to fold_unary and fold_binary.
5662
5663 2005-03-09  Roger Sayle  <roger@eyesopen.com>
5664
5665         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
5666         a fndecl and an arglist instead of a CALL_EXPR, exp.
5667
5668 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
5669
5670         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
5671
5672         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
5673
5674         * expr.c (expand_assignment): Remove orig_to_rtx.
5675
5676         * fold-const.c (int_const_binop): Remove no_overflow.
5677
5678         * ifcvt.c (noce_emit_move_insn): Remove inmode.
5679
5680         * loop-iv.c (get_biv_step_1): Remove lhs.
5681
5682         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
5683
5684         * real.c (real_nan): Remove neg.
5685
5686         * function.c (thread_prologue_and_epilogue_insns): Remove i
5687         and newinsn.
5688
5689         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
5690         tb.
5691
5692         * tree-eh.c (tree_could_trap_p): Remove idx.
5693
5694         * tree-into-ssa.c (ann): Remove ann.
5695
5696         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
5697
5698         * tree-sra.c (decide_block_copy): Remove inst_count.
5699
5700         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
5701
5702         * tree-ssa-loop-im.c (lhs): Remove.
5703
5704         * cfgbuild.c (state, STATE, SET_STATE,
5705         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
5706         make_edges.
5707         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
5708         (find_basic_blocks): Set the state of each basic block to
5709         BLOCK_NEW.
5710
5711 2005-03-08  Jeff Law  <law@redhat.com>
5712
5713         * tree-cfg.c (cleanup_control_flow): If removal of a computed
5714         goto results in the removal of edges in the CFG, then we need
5715         to recompute dominators.
5716
5717 2005-03-09  Ben Elliston  <bje@au.ibm.com>
5718
5719         * c-common.c (c_do_switch_warnings): Comment fix.
5720
5721 2005-03-08  Julian Brown  <julian@codesourcery.com>
5722
5723         * Patch from 2005-03-08 reverted for causing regressions and
5724         ppc-darwin bootstrap failure.
5725
5726 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
5727
5728         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
5729         Define the real function for ppc-darwin.
5730         * c-typeck.c (convert_arguments): Check for target-specific
5731         invalid argument call to unprototyped function.
5732         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5733         New Macro.
5734         * target.h (invalid_arg_for_unprototyped_fn): New field
5735         in struct calls.
5736         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
5737         default target hook.
5738         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
5739         Declare.
5740
5741 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5742
5743         * c-typeck.c (constructor_stack, constructor_range_stack,
5744         initializer_stack): Make them static.
5745
5746         * cfg.c (rbi_pool): Make it static.
5747
5748         * gimple-low.c (lower_stmt_body): Make it static.
5749         * tree-flow.h: Remove the corresponding prototype.  Don't
5750         declare lower_data.
5751
5752         * sched-deps.c (cache_size): Make it static.
5753
5754         * stor-layout.c (lang_adjust_rli): Make it static.
5755
5756 2005-03-08  Julian Brown  <julian@codesourcery.com>
5757
5758         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
5759         from being used for symbols with vague linkage when
5760         HAVE_GAS_COMDAT_GROUP is true.
5761
5762 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
5763
5764         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
5765         nlabel == JUMP_LABEL (jump).
5766
5767 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5768
5769         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
5770         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
5771         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
5772         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
5773
5774 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
5775
5776         PR c/14411
5777         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
5778         * c-common.c (handle_returns_twice): New function.
5779         (c_common_attribute_table): Declare eturns_twice' attribute.
5780         * doc/extend.texi: Document eturns_twice' attribute.
5781         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
5782         (struct tree_decl): Add returns_twice_flag.
5783
5784 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5785
5786         * tree-ssa-phiopt.c: Fix a comment typo.
5787
5788         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
5789         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
5790         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
5791         copyright.
5792
5793 2005-03-08  Richard Henderson  <rth@redhat.com>
5794
5795         * config/alpha/alpha.c (code_for_builtin): Replace special-case
5796         builtin codes with ctzdi2, clzdi2, popcountdi2.
5797         (struct alpha_builtin_def): Add is_const.
5798         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
5799         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
5800         (alpha_init_builtins): Init them.  Set nothrow and const attributes
5801         on builtins.
5802         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
5803         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
5804         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
5805         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
5806         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
5807         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
5808         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
5809         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
5810         (TARGET_FOLD_BUILTIN): New.
5811         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
5812         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
5813         (ffsdi2): Use ctz.
5814         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
5815
5816 2005-03-08  Ira Rosen  <irar@il.ibm.com>
5817
5818         PR tree-optimization/20122
5819         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
5820         condition of access function instead of base.
5821
5822 2005-03-07  Jeff Law  <law@redhat.com>
5823             Steven Bosscher  <stevenb@suse.de>
5824
5825         * tree-cfg.c (find_taken_edge_computed_goto): New function.
5826         (find_taken_edge): Call find_taken_edge_computed_goto as
5827         appropriate.  Allow any gimple invariant rather than just
5828         INTEGER_CST for VAL.
5829         (cleanup_control_flow): Cleanup a computed goto which has turned
5830         into a simple goto.
5831         (tree_merge_blocks): If block B has any forced labels, move
5832         them to the start of block A.
5833         * tree-ssa-dom.c (thread_across_edge): Allow threading across
5834         computed gotos as well.
5835         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
5836         removal of unnecessary computed gotos too.
5837         (lookup_redirection_data): Fix type of INSERT argument.  Callers
5838         updated.
5839
5840 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5841
5842         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
5843         Remove trailing spaces.
5844
5845         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
5846         unshare_all_trees): Make them static.
5847         * tree-gimple.h: Remove the corresponding prototypes.
5848
5849         * diagnostic.h: Remove unused prototype
5850         debug_output_buffer.
5851         * modulo-sched.c: Remove unused prototype
5852         set_row_column_for_ps.
5853
5854         * tree-ssa-phiopt.c (tree_ssa_phiopt,
5855         replace_phi_edge_with_variable): Remove unused variable i.
5856
5857 2005-03-07  Per Bothner  <per@bothner.com>
5858
5859         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
5860
5861 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
5862
5863         PR tree-opt/17671
5864         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
5865         bbs on the COND_EXPR instead of the PHI_NODEs.
5866         (candidate_bb_for_phi_optimization): Remove.
5867         (replace_phi_with_stmt): Rename to ...
5868         (replace_phi_edge_with_variable): this and change so that we
5869         replace the phi argument instead of removing the PHI.
5870         (conditional_replacement): Change so we deal with PHI with more
5871         than two arguments.
5872         (value_replacement): Likewise.
5873         (abs_replacement): Likewise.
5874
5875 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
5876
5877         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
5878         output_e500_flip_gt_bit.
5879
5880         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
5881         as bit 31.
5882         (rs6000_generate_compare): Fix logic to look at the correct bits.
5883         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
5884         Look at GT bit.
5885         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
5886         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
5887         gen_move_from_CR_gt_bit.
5888
5889         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
5890         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
5891         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
5892
5893         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
5894         (E500_CR_IOR_COMPARE): New constant.
5895
5896 2005-03-08  Earl Chew <earl_chew@agilent.com>
5897             David Billinghurst <David.Billinghurst@riotinto.com>
5898
5899         * config/i386/host-cygwin.c: New file to support precompiled
5900         headers on cygwin
5901         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
5902         * config.host: Use above files for cygwin host.
5903
5904 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
5905
5906         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
5907         ordering ops from earlier change.
5908
5909 2005-03-07  Per Bothner  <per@bothner.com>
5910
5911         Various fixes to allow us to again build if --enable-mapped-location:
5912         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
5913         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
5914         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
5915         local variable loc. Change logic appropriately.
5916         * tree-vect-transform.c (vect_finish_stmt_generation): Use
5917         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
5918         * c-parser.c (c_parser_for_statement): Initialize loc variable.
5919         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
5920         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
5921
5922 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
5923
5924         PR rtl-optimization/19683
5925         * reload1.c (choose_reload_regs): Pass the number of bits, not the
5926         number of bytes, to smallest_int_for_mode.  Fix arguments to
5927         REG_CANNOT_CHANGE_MODE_P.
5928
5929 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5930
5931         * reorg.c (relax_delay_slots): Check that the jump is
5932         conditional before trying to invert it.
5933
5934 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
5935
5936         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
5937         Make them static.
5938
5939         * calls (stack_arg_under_construction): Make it static.
5940
5941         * flow.c (regs_live_at_setjmp): Make it static.
5942         * flow.h: Remove the corresponding prototype.
5943
5944         * reload1.c (reload_startobj, reload_firstobj,
5945         something_needs_operands_changed, reload_inherited,
5946         reload_inheritance_insn, reload_override_in,
5947         reload_spill_index): Make them static.
5948
5949         * recog.c (verify_changes): Make it static.
5950         * recog.h: Remove the corresponding prototype.
5951
5952         * cfgbuild.c (find_sub_basic_blocks): Remove.
5953         * basic-block.h: Remove the corresponding prototype.
5954         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
5955         in comments.
5956         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
5957
5958         * tree-ssa-operands.c (check_build_stmt): Remove.
5959
5960         * stor-layout.c (set_alignment): Remove.
5961         * tree.h: Remove the corresponding prototype.
5962
5963         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
5964
5965         * tree-ssa-dce.c (control_dependence_map,
5966         visited_control_parents): Make them static.
5967
5968         * cfghooks.c (verify_flow_info): Remove local variable
5969         num_bb_notes.
5970
5971         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
5972         last_bb_seen.
5973
5974         * loop-unswitch.c (unswitch_loop): Remove local variable src.
5975
5976 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
5977
5978         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
5979
5980 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
5981
5982         * config/ia64/hpux.h (LINK_SPEC): Add -z.
5983         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
5984         PARALLEL for an empty structure.
5985
5986 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
5987
5988         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
5989
5990         * fold-const.c (fold_binary): Unroll the very first "for"
5991         loop.
5992
5993 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
5994
5995         * config/rs6000/predicates.md (branch_comparison_operator): Remove
5996         redundant match_code test.
5997         (scc_comparison_operator): Swap match_operand and match_code
5998         tests.
5999         (branch_positive_comparison_operator): Same.
6000         (trap_comparison_operator): Use comparison_operator and swap with
6001         match_code test.
6002
6003 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6004
6005         PR target/20288
6006         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
6007         (out_movhi_r_mr): Read low byte of volatile MEM first.
6008         (out_movhi_mr_r): Write high byte of volatile MEM first.
6009
6010 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6011
6012         * cselib.c (reg_values, reg_values_size): Make them static.
6013
6014         * cse.c (cse_reg_info_table): Make it static.
6015
6016         * fold-const.c (fold_unary): Use build1 instead of copy_node.
6017
6018 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
6019
6020         * cse.c (find_best_addr): Use canon_for_address.
6021
6022 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6023
6024         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
6025         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
6026         SUBREG and MEM, respectively.
6027
6028         * fold-const.c (fold_binary): Use code instead of t.
6029
6030         * fold-const.c (optimize_minmax_comparison): Take decomposed
6031         arguments code, type, op0, and op1 instead of t.
6032         (fold_binary): Update a call to optimize_minmax_comparison.
6033
6034         * fold-const.c (fold_range_test): Take decomposed arguments
6035         code, type, op0, and op1 instead of t.
6036         (fold_binary): Update a call to fold_range_test.
6037
6038         * fold-const.c (fold_binary_op_with_conditional_arg): Take
6039         decomposed arguments code, type, op0, and op1 instead of t.
6040         (fold_binary): Update a call to fold_range_test.
6041
6042 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6043
6044         * fold-const.c (fold_binary): Avoid directly using the original
6045         expression t as much as possible.
6046
6047 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6048
6049         * c-semantics.c (build_stmt): Use TYPE_P instead of
6050         IS_NON_TYPE_CODE_CLASS.
6051         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
6052         (NON_TYPE_CHECK): Use TYPE_P instead of
6053         IS_NON_TYPE_CODE_CLASS.
6054
6055         * fold-const.c (fold): Remove handling of binary expressions.
6056
6057 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
6058
6059         * doc/c-tree.texi: Wrap comments in @r{}.
6060         * doc/cpp.texi: Likewise.
6061         * doc/cppinternals.texi: Likewise.
6062         * doc/extend.texi: Likewise.
6063         * doc/md.texi: Likewise.
6064         * doc/objc.texi: Likewise.
6065         * doc/sourcebuild.texi: Likewise.
6066         * doc/tm.texi: Likewise.
6067         * doc/tree-ssa.texi
6068
6069 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6070
6071         * predict.c (apply_return_prediction): Standardize PHI chain
6072         walking.
6073         * tree-ssa.c (ssa_redirect_edge): Likewise.
6074
6075         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
6076         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
6077         Update copyright.
6078
6079         * tree-phinodes.c (remove_phi_node): Drop the last argument.
6080         * tree-flow.h: Adjust the prototype for remove_phi_node.
6081         * lambda-code.c (perfect_nestify): Adjust a call to
6082         remove_phi_node.
6083         * tree-cfg.c
6084         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
6085         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
6086         Likewise.
6087         * tree-ssa-dce.c (remove_dead_phis): Likewise.
6088         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6089         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6090         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
6091
6092         * combine.c (simplify_and_const_int): Use gen_int_mode instead
6093         of GEN_INT (trunc_int_for_mode (...)).
6094         * loop-iv.c (iv_number_of_iterations): Likewise.
6095         * postreload.c (reload_cse_move2add): Likewise.
6096         * simplify-rtx.c (simplify_const_unary_operation,
6097         simplify_const_binary_operation): Likewise.
6098         * stor-layout.c (get_mode_bounds): Likewise.
6099
6100         * fold-const.c (fold_binary): New.
6101         (fold): Call fold_binary on binary expressions.
6102
6103 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
6104
6105         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
6106         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
6107         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
6108         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
6109         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
6110
6111 2005-03-04  Devang Patel  <dpatel@apple.com>
6112
6113         PR tree-optimization/18815
6114         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6115         loops with zero exit edges.
6116
6117 2005-03-04  Devang Patel  <dpatel@apple.com>
6118
6119         * doc/invoke.texi: Remove reference to webpage that does not exist.
6120
6121 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
6122             Joseph S. Myers  <joseph@codesourcery.com>
6123
6124         PR c++/19797
6125         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
6126         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
6127         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
6128         * pa.c (get_plabel): Change argument to symbol_ref.  Call
6129         maybe_get_identifier instead of get_identifier.
6130         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
6131         (struct deferred_plabel): Replace name field with symbol field.
6132         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
6133         ASM_OUTPUT_EXTERNAL_REAL is defined.
6134         (output_global_address): Use output_addr_const for output of all
6135         symbol_refs.
6136         (output_deferred_plabels): Use symbol_ref instead of name for address
6137         output.
6138         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
6139         ASM_OUTPUT_SYMBOL_REF): New macros.
6140         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
6141         comment.
6142         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
6143         label.
6144
6145 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
6146
6147         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
6148         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
6149
6150 2005-03-04  Jeff Law  <law@redhat.com>
6151
6152         * basic-block.h (rediscover_loops_after_threading): Declare.
6153         * tree-ssa-dom.c: Include cfgloop.h.
6154         (tree_ssa_dominator_optimize): Discover loops and some basic
6155         properties.  Remove forwarder blocks recreated by loop header
6156         canonicalization.  Also mark backedges in the CFG.
6157         * tree-ssa-threadupdate.c: Include cfgloop.h
6158         (rediscover_loops_after_threading): Define.
6159         (struct local_info): New field, JUMP_THREADED.
6160         (prune_undesirable_thread_requests): New function.
6161         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
6162         then record that fact for the callers of redirct_edges.
6163         (thread_block): If BB has incoming backedges, then call
6164         prune_undesirable_thraed_requests.    Note when we are
6165         going to have to rediscover loop information.  Return a
6166         boolean indicating if any jumps were threaded.
6167         (thread_through_all_blocks): Bubble up boolean indicating
6168         if any jumps were threaded.
6169         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
6170         (tree-ssa-threadupdate.o): Similarly.
6171
6172 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6173
6174         * fold-const.c (fold_ternary): Unroll the "for" loop to
6175         extract operands.
6176
6177 2005-03-04  Andrew Haley  <aph@redhat.com>
6178
6179         * unwind-dw2-fde-glibc.c (struct
6180         unw_eh_callback_data.check_cache): New field.
6181         (frame_hdr_cache): New.
6182         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
6183         Cache frame header info.
6184
6185 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
6186
6187         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
6188         (print_c_condition): Declare.
6189         * read-rtl.c (ptr_loc): New structure.
6190         (ptr_locs, ptr_loc_obstack, joined_conditions)
6191         (joined_conditions_obstack): New variables.
6192         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
6193         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
6194         (join_c_conditions, print_c_condition): New functions.
6195         (apply_macro_to_string): Associate the new string with the same
6196         source location as the old one.
6197         (add_condition_to_string): Use join_c_conditions.
6198         (read_string): Use set_rtx_ptr_loc to record a filename and line
6199         number for the string.
6200         (read_rtx): Initialize the new variables above.
6201         * genattrtab.c (write_test_expr, write_attr_value): Use
6202         print_c_condition.
6203         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
6204         comment above the GCC_VERSION check.
6205         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
6206         Inline the definition of MAYBE_EVAL.
6207         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
6208         * genoutput.c (process_template): Likewise.
6209         * genpreds.c (write_predicate_subfunction): Likewise.
6210         (write_predicate_expr): Use print_c_condition.
6211         * genrecog.c (write_cond): Likewise.
6212         * gensupport.c (process_rtx): Use join_c_conditions to join the
6213         conditions of a define_insn_and_split.  Record a source location
6214         for the string after the "&&".
6215         (alter_test_for_insn): Use join_c_conditions.
6216
6217 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
6218
6219         Revert for now:
6220         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6221         PR tree-optimization/15784
6222         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6223         and -1 - A to ~A.
6224
6225 2005-03-04  Ben Elliston  <bje@au.ibm.com>
6226
6227         * gcc.c (option_map): Add --coverage.
6228         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
6229         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
6230         * config/darwin.h: Pass -lgcov for `coverage'.
6231         * doc/invoke.texi (Debugging Options): Document --coverage.
6232
6233 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6234
6235         * gcse.c (bypass_block): Use find_edge wherever possible.
6236
6237 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
6238
6239         Fix PR debug/20253
6240
6241         * c-opts.c (c_common_parse_file): Call start_source_file
6242         and end_source_file at the approriate times.
6243
6244         * dwarf2out.c (dwarf2out_finish): Don't auto-end
6245         the main file, it will be done for us now.
6246
6247 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6248
6249         * fold-const.c (fold_ternary): New.
6250         (fold): Call fold_ternary on ternary expressions.  Remove
6251         handling of ternary expressions.
6252
6253 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6254
6255         PR tree-optimization/15784
6256         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6257         and -1 - A to ~A.
6258
6259 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
6260
6261         * config/rs6000/predicates.md (branch_comparison_operator):
6262         Convert from C block to conditional format.
6263
6264 2005-03-03  Jan Hubicka  <jh@suse.cz>
6265
6266         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
6267         and non-constant public variables.
6268
6269 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
6270
6271         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
6272         with LABEL_EXPR.
6273
6274         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
6275         EDGE_I.
6276
6277         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
6278         calls to release_ssa_name and release_phi_node.
6279
6280         * fold-const.c (fold): Remove handling of unary expressions.
6281
6282         * fold-const.c (fold_unary): Avoid directly using the original
6283         expression t as much as possible.
6284
6285 2005-03-03  Roger Sayle  <roger@eyesopen.com>
6286             Andrew Pinski  <pinskia@physics.uc.edu>
6287
6288         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
6289         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
6290
6291 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
6292
6293         Describe special registers SRP and MOF as allocatable registers.
6294         * config/cris/cris.c (cris_md_asm_clobbers): New function.
6295         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
6296         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
6297         TARGET_HAS_MUL_INSNS.
6298         (cris_print_operand) <case 'd'>: New case.
6299         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
6300         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
6301         define.
6302         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
6303         (REG_ALLOC_ORDER): Update for MOF.
6304         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
6305         SPECIAL_REGS.
6306         (GENERAL_REGS): No longer a define of ALL_REGS.
6307         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
6308         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6309         Adjust accordingly.
6310         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
6311         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
6312         (SECONDARY_RELOAD_CLASS): Define.
6313         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
6314         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
6315         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
6316         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
6317         (REGISTER_MOVE_COST): Define.
6318         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
6319         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
6320         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
6321         (CRIS_MOF_REGNUM): New define_constants.
6322         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
6323         special registers.
6324         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
6325         New patterns.
6326         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
6327         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
6328         Adjust for MOF being properly described as a register.
6329         (indir_to_reg_split): Name this split.  Conditionalize on the
6330         destination register being a general register.
6331         (movei): Conditionalize on on operands 0 and 1 having the same
6332         register class.
6333
6334 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
6335
6336         PR target/20277
6337         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
6338         -mcpu to override any other explicitly given flags.
6339
6340 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
6341
6342         * recog.c (verify_changes, confirm_change_group): New functions,
6343         broken out of apply_change_group.
6344         (apply_change_group): Use them.
6345         * recog.h (verify_change, confirm_change_group): Declare.
6346         * rtl.h (redirect_jump_2): Declare.
6347         * jump.c (redirect_exp, invert_exp): Delete.
6348         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
6349         (redirect_jump_2): New function, broken out of redirect_jump.
6350         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
6351         (invert_jump): Use invert_jump_1 and redirect_jump_2.
6352         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
6353
6354 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
6355
6356         * varasm.c (named_section): Use xstrdup rather than doing it by
6357         hand.
6358
6359         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
6360
6361 2005-03-02  Devang Patel  <dpatel@apple.com>
6362
6363         Undo PR tree-optimization/18815 fix.
6364
6365 2005-03-02  Devang Patel  <dpatel@apple.com>
6366
6367         PR tree-optimization/18815
6368         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6369         loops with zero exit edges.
6370
6371 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6372
6373         * cfg.c (connect_src, connect_dest, disconnect_src,
6374         disconnct_dest): New.
6375         (unchecked_make_edge, remove_edge, redirect_edge_succ,
6376         redirect_edge_pred): Use the new functions.
6377
6378         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
6379         free_dominance_info only when needed.
6380
6381 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
6382
6383         PR target/20276
6384         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
6385         (reg_or_sub_cint64_operand): Same.
6386
6387 2005-03-02  Jeff Law  <law@redhat.com>
6388
6389         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
6390         CFG_ALTERED in the main DOM iteration loop.
6391
6392 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
6393
6394         PR c++/19916
6395         * varasm.c (initializer_constant_valid_p): Allow conversions
6396         between OFFSET_TYPEs.  Tidy.
6397
6398 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
6399
6400         * config/cris/cris.md ("return"): Remove epilogue delay list
6401         sanity check.
6402
6403 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
6404
6405         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
6406         for Thumb.
6407         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
6408
6409 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6410
6411         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
6412         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
6413         config/m68k/m68k.c, config/mips/mips.h,
6414         config/rs6000/rs6000-protos.h, doc/contrib.texi,
6415         doc/include/gcc-common.texi: Update copyright.
6416
6417         PR middle-end/18029 and PR middle-end/18030
6418         * expr.c (optimize_bitfield_assignment_op): Add a special case
6419         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
6420
6421         * fold-const.c (fold_unary): New.
6422         (fold): Call fold_unary on unary expressions.
6423
6424 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
6425
6426         * cgraph.h (struct cgraph_edge): Add prev_caller and
6427         prev_callee fields.
6428         (cgraph_node_remove_callees): Export.
6429         * cgraph.c (cgraph_create_edge): Initialize prev_caller
6430         and prev_callee.
6431         (cgraph_edge_remove_callee): New function.
6432         (cgraph_edge_remove_caller): Likewise.
6433         (cgraph_remove_edge): Use.
6434         (cgraph_redirect_edge_callee): Likewise.
6435         (cgraph_node_remove_callees): New function.
6436         (cgraph_node_remove_callers): Likewise.
6437         (cgraph_remove_node): Use.
6438         * tree-optimize.c (tree_rest_of_compilation): Use
6439         cgraph_node_remove_callees instead of manual loop.
6440         * cgraphunit.c (cgraph_finalize_function): Likewise.
6441         (cgraph_expand_function): Likewise.
6442         (cgraph_remove_unreachable_nodes): Likewise.
6443
6444 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
6445
6446         PR c/8927
6447         * c-tree.h (undeclared_variable, build_external_ref): Add extra
6448         argument.
6449         * c-decl.c (undeclared_variable): Take location as argument.
6450         * c-typeck.c (build_external_ref): Likewise.
6451         * c-parser.c (c_parser_postfix_expression): Pass location of
6452         identifier to build_external_ref.
6453
6454 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
6455
6456         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
6457         CCEQ mode for branch_positive_comparison_operator test.
6458         * config/rs6000/predicates (branch_comparison_operator): Revert to
6459         define_predicate.
6460         (scc_comparison_operator): Same.
6461         (branch_positive_comparison_operator): Same.
6462
6463 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
6464
6465         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
6466         (cris_delay_slots_for_epilogue): Remove.
6467         (save_last): Move into cris_target_asm_function_epilogue.
6468         (cris_target_asm_function_epilogue): Remove tests for file being
6469         NULL.
6470         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
6471         (cris_delay_slots_for_epilogue): Remove prototypes.
6472         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
6473         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
6474
6475 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
6476
6477         * config/rs6000/predicates.md (branch_comparison_operator): Change
6478         to define_special_predicate.
6479         (scc_comparison_operator): Same.
6480         (branch_positive_comparison_operator): Same.
6481
6482 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
6483
6484         * Makefile.in (tree-ssa-sink.o): New.
6485         (OBJS-common): Add tree-ssa-sink.o.
6486         * common.opt: Add -ftree-sink
6487         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
6488         * timevar.def (TV_TREE_SINK): new timevar.
6489         * tree-flow.h (is_hidden_global_store): Prototype.
6490         * tree-optimize.c (init_tree_optimization_passes): Add
6491         pass_sink_code.
6492         * tree-pass.h (pass_sink_code): New.
6493         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
6494         for non-obvious global store store to is_hidden_global_store, and
6495         call that new function.
6496         * tree-ssa-sink.c: New file.
6497         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
6498         * doc/passes.texi: Document forward store motion.
6499         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
6500         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
6501         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
6502         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
6503
6504 2005-03-01  Per Bothner  <per@bothner.com>
6505
6506         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
6507         and we have a non-zero column-number, add it to the message.
6508         Also factor out the diagnostic_kind_text.
6509
6510 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
6511
6512         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
6513         flow_loop_pre_header_scan, flow_loop_pre_header_find,
6514         flow_loop_scan): Removed.
6515         (flow_loop_dump): Do not dump removed fields.
6516         (flow_loop_free): Do not free removed fields.
6517         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
6518         (loop_exit_edge_p): New function.
6519         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
6520         num_pre_header_edges, entry_edges, num_entries, exit_edges,
6521         num_exits, exits_doms.
6522         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
6523         LOOP_EDGES, LOOP_ALL): Removed.
6524         (flow_loop_scan): Declaration removed.
6525         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
6526         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
6527         flow_loops_find.
6528         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
6529         (if_convert): Call flow_loops_find and flow_loops_free
6530         when calling mark_loop_exit_edges.
6531         * cfgloopanal.c (mark_loop_exit_edges): Moved from
6532         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
6533         free_dominance_info calls.
6534         * loop-init.c (flow_loops_find): Ditto.
6535         * passes.c (rest_of_handle_branch_prob): Ditto.
6536         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
6537         * loop-unroll.c (analyze_insns_in_loop): Do not use
6538         EDGE_LOOP_EXIT.
6539         * predict.c (predict_loops): Do not call flow_loop_scan.
6540         Use get_loop_exit_edges.
6541         (tree_estimate_probability): Do not pass flags to flow_loops_find.
6542         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
6543         Do not use EDGE_LOOP_EXIT.
6544         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
6545         to bb_with_exit_edge_p.
6546         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
6547         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
6548         to bb_with_exit_edge_p.
6549         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
6550         EDGE_LOOP_EXIT.
6551         * tree-loop-linear.c (linear_transform_loops): Do not call
6552         flow_loop_scan.  Use loop->single_exit.
6553         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
6554         (vect_analyze_loop_form): Do not call flow_loop_scan.
6555         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
6556         loop->single_exit.
6557         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
6558         loop->single_exit.
6559         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
6560         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
6561         slpeel_tree_duplicate_loop_to_edge_cfg,
6562         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
6563         Use loop_preheader_edge and loop->single_exit.  Do not call
6564         flow_loop_scan.
6565
6566 2005-03-01  Nick Clifton  <nickc@redhat.com>
6567
6568         * config/arm/arm.c (thumb_find_work_register): Check all of the
6569         argument registers to see if they are free, and a couple of
6570         special cases where the last argument register but can be proved
6571         to be available during the function's prologue.
6572         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
6573         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
6574         thumb_unexpanded_epilogue): Use unsigned long as the type for the
6575         register bit-mask.
6576         (thumb_compute_save_reg_mask): Likewise.  Also use
6577         thumb_find_work_register() to ensure that there is agreement about
6578         which work register is going to be used in the prologue.
6579         (thumb_output_function_prologue): Use unsigned long as the type
6580         for the register bit-mask.  Also delay pushing the link register if
6581         other high registers are going to be pushed.
6582         (thumb_compute_save_reg_mask, emit_multi_reg_push,
6583         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
6584         redundant prototypes.
6585
6586 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
6587
6588         PR target/19819
6589         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
6590         and after reload in REG+REG indexed addresses without REG_POINTER
6591         set in the base and not set in the index.
6592
6593 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
6594
6595         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
6596         Don't undefine here.
6597         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
6598         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
6599         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
6600         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
6601         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
6602         Delete.
6603         * config.gcc (sh*-*-linux*): Use config/linux.h.
6604
6605 2005-02-28  Dale Johannesen  <dalej@apple.com>
6606             Stan Shebs  <shebs@apple.com>
6607
6608         Rewrite of 64-bit Darwin structure-by-value pass/return.
6609         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
6610         intoffset, use_stack, named.
6611         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
6612         (rs6000_darwin64_record_arg_advance_flush):  New.
6613         (rs6000_darwin64_record_arg_advance_recurse): New.
6614         (rs6000_darwin64_record_arg_flush):  New.
6615         (rs6000_darwin64_record_arg_recurse):  New.
6616         (rs6000_darwin64_record_arg):  New.
6617         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
6618         (function_arg_boundary):  Handle 128-bit aligned structs.
6619         (function_arg_advance):  Rewrite darwin64 struct handling.
6620         (function_arg):  Call rs6000_darwin64_record_arg.
6621         (function_arg_partial_nregs):  Handle darwin64 structs.
6622         (rs6000_darwin64_function_value):  Remove.
6623         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
6624
6625 2005-02-28  Roger Sayle  <roger@eyesopen.com>
6626
6627         PR tree-optimization/20216
6628         * tree-chrec.c (tree_fold_factorial): Delete.
6629         (tree_fold_binomial): Change argument list to take a return type
6630         and change the type of K to unsigned int.  Rewrite to avoid explicit
6631         evaluation of factorials, and (recursively) calling fold to perform
6632         compile-time arithmetic.  Return NULL on (internal) overflow.
6633         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
6634         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
6635         if any intermediate calculation overflows.
6636         (chrec_apply): Update call to chrec_evaluate.
6637
6638 2005-02-28  James E Wilson  <wilson@specifixinc.com>
6639
6640         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
6641
6642 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
6643
6644         PR c/20245
6645         * c-parser.c (c_parser_compound_statement): Return error_mark_node
6646         instead of NULL_TREE on error.
6647
6648 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
6649
6650         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
6651         (EASY_VECTOR_15_ADD_SELF): Remove.
6652         (num_insns_constant_wide): Not static.
6653         (validate_condition_mode): Not static.
6654         (toc_relative_expr_p): Not static.
6655         (legitimate_indirect_address_p): Not static.
6656         (macho_lo_sum_memory_operand): Not static.
6657         (invalid_e500_subreg): Not static.
6658         (easy_vector_same): Not static.
6659         (easy_vector_splat_const): Not static.
6660         (RS6000_SYMBOL_REF_TLS_P): Remove.
6661         (any_operand): Delete.
6662         (any_parallel_operand): Delete.
6663         (count_register_operand): Delete.
6664         (altivec_register_operand): Delete.
6665         (xer_operand): Delete.
6666         (s8bit_cint_operand): Delete.
6667         (short_cint_operand): Delete.
6668         (u_short_cint_operand): Delete.
6669         (non_short_cint_operand): Delete.
6670         (exact_log2_cint_operand): Delete.
6671         (gpc_reg_operand): Delete.
6672         (cc_reg_operand): Delete.
6673         (cc_reg_not_cr0_operand): Delete.
6674         (reg_or_short_operand): Delete.
6675         (reg_or_neg_short_operand): Delete.
6676         (reg_or_aligned_short_operand): Delete.
6677         (reg_or_u_short_operand): Delete.
6678         (reg_or_cint_operand): Delete.
6679         (reg_or_arith_cint_operand): Delete.
6680         (reg_or_add_cint64_operand): Delete.
6681         (reg_or_sub_cint64_operand): Delete.
6682         (reg_or_logical_cint_operand): Delete.
6683         (got_operand): Delete.
6684         (got_no_const_operand): Delete.
6685         (easy_fp_constant): Delete.
6686         (easy_vector_constant): Delete.
6687         (easy_vector_constant_add_self): Delete.
6688         (zero_constant): Delete.
6689         (zero_fp_constant): Delete.
6690         (volatile_mem_operand): Delete.
6691         (offsettable_mem_operand): Delete.
6692         (mem_or_easy_const_operand): Delete.
6693         (add_operand): Delete.
6694         (non_add_cint_operand): Delete.
6695         (logical_operand): Delete.
6696         (non_logical_cint_operand): Delete.
6697         (mask_operand): Delete.
6698         (mask_operand_wrap): Delete.
6699         (mask64_operand): Delete.
6700         (mask64_2_operand): Delete.
6701         (and64_operand): Delete.
6702         (and64_2_operand): Delete.
6703         (and_operand): Delete.
6704         (reg_or_mem_operand): Delete.
6705         (lwa_operand): Delete.
6706         (symbol_ref_operand): Delete.
6707         (call_operand): Delete.
6708         (current_file_function_operand): Delete.
6709         (input_operand): Delete.
6710         (rs6000_nonimmediate_operand): Delete.
6711         (rs6000_tls_symbol_ref): Delete.
6712         (save_world_operation): Delete.
6713         (restore_world_operation): Delete.
6714         (load_multiple_operation): Delete.
6715         (store_multiple_operation): Delete.
6716         (vrsave_operation): Delete.
6717         (mfcr_operation): Delete.
6718         (mtcrf_operation): Delete.
6719         (lmw_operation): Delete.
6720         (stmw_operation): Delete.
6721         (branch_comparison_operator): Delete.
6722         (branch_positive_comparison_operator): Delete.
6723         (scc_comparison_operator): Delete.
6724         (trap_comparison_operator): Delete.
6725         (boolean_operator): Delete.
6726         (boolean_or_operator): Delete.
6727         (min_max_operator): Delete.
6728         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
6729         (EASY_VECTOR_15): Moved to here.
6730         (EASY_VECTOR_15_ADD_SELF): Move to here.
6731         (PREDICATE_CODES): Delete.
6732         * config/rs6000/rs6000-protos.h: Delete predicate functions.
6733         Declare functions no longer static.
6734         * config/rs6000/predicates.md: New.
6735         * config/rs6000/rs6000.md: Include predicates.md
6736
6737 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
6738
6739         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
6740         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
6741         REG_ALWAYS_RETURN.
6742         * cfgrtl.c (need_fake_edge_p): Likewise.
6743         * combine.c (distribute_notes): Likewise.
6744         * emit-rtl.c (try_split): Likewise.
6745         * recog.c (peephole2_opimize): Likewise.
6746         * reg-notes.def (ALWAYS_RETURN): Remove.
6747         * rtl.h (LCT_ALWAYS_RETURN): Remove.
6748         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
6749         * tree.h (ECF_ALWAYS_RETURN): Remove.
6750
6751 2005-02-28  Roger Sayle  <roger@eyesopen.com>
6752
6753         PR middle-end/19874
6754         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
6755         between different machine modes is never a "useless" conversion.
6756
6757 2005-02-28  Geert Bosch  <bosch@gnat.com>
6758
6759         PR ada/15977
6760         * doc/contrib.texi: List contributors for Ada front end
6761
6762 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
6763
6764         * simplify-rtx.c (simplify_unary_operation_1,
6765         simplify_const_unary_operation): New, extracted from...
6766         (simplify_unary_operation): ... this one.
6767         (simplify_binary_operation_1,
6768         simplify_const_binary_operation): New, extracted from...
6769         (simplify_binary_operation): ... this one.
6770         * rtl.h (simplify_const_unary_operation,
6771         simplify_const_binary_operation): Add prototypes.
6772
6773 2005-02-28  Julian Brown  <julian@codesourcery.com>
6774
6775         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
6776         building libjava and caused PR regression/20228.
6777
6778 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
6779
6780         PR bootstrap/17383
6781         * Makefile.in (host_subdir): New.
6782         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
6783         * configure: Regenerate.
6784
6785 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
6786
6787         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
6788         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
6789         installation directory first.
6790
6791 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
6792
6793         PR target/19065.
6794         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
6795         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
6796         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
6797         * config/cris/cris.md: Tweak comments referring to Q.
6798         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
6799         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
6800         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
6801         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
6802         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
6803         Insert spaces in constraints to align alternatives vertically for
6804         readability.
6805         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
6806         operand 1: "M".
6807
6808 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6809
6810         PR rtl-optimization/17728
6811         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
6812         operand 0 from general_operand to move_dest_operand.
6813
6814 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6815
6816         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
6817         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
6818         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
6819         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
6820
6821 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
6822
6823         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
6824         * configure: Regenerate.
6825         * libada-mk.in: Remove CC; rename
6826         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
6827
6828 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
6829
6830         PR tree-opt/20188
6831         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
6832         for the lhs, also walk over the tree.  Likewise for rhs.
6833
6834 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
6835
6836         * tree-ssa-dom.c (simple_iv_increment_p): New function.
6837         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
6838         Do not propagate value of iv before increment over the increment.
6839
6840 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
6841
6842         * c-parser.c: New file.
6843         * c-parse.in: Remove.
6844         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
6845         Remove.
6846         (c-parser.o): Add dependencies.
6847         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
6848         maintainer-clean, TAGS): Update.
6849         * c-config-lang.in (gtfiles): Update.
6850         * gengtype-lex.l: Don't handle "@@".
6851         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
6852         objc_build_synchronized, objc_begin_try_stmt,
6853         objc_begin_catch_clause, objc_finish_catch_clause,
6854         objc_build_finally_clause, objc_finish_try_stmt): New.
6855         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
6856         type_seen_p.
6857         (c_parse_init): Update comment.
6858         * c-decl.c (c_init_decl_processing): Update comment.
6859         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
6860         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
6861         new c_declspecs members.
6862
6863 2005-02-25  Julian Brown  <julian@codesourcery.com>
6864
6865         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
6866         from being used for symbols with vague linkage when
6867         HAVE_GAS_COMDAT_GROUP is true.
6868
6869 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
6870
6871         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
6872
6873 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
6874
6875         PR target/19930
6876         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
6877         (LIBGCC2_HAS_DF_MODE): New.
6878         (LIBGCC2_HAS_XF_MODE): New.
6879         (LIBGCC2_HAS_TF_MODE): New.
6880         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
6881         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
6882         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
6883         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
6884         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
6885         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
6886         and add _fixtfdi, _fixunstfdi, _floatditf
6887         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
6888         L_fixunstfdi, L_floatditf.
6889         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
6890         (LIBGCC2_HAS_TF_MODE): Define.
6891
6892 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
6893
6894         PR tree-optimization/20204
6895         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
6896         REWRITE_THIS_STMT markers on PHI nodes.
6897         (rewrite_initialize_block): Likewise.
6898
6899 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
6900
6901         * version.c (version_string): Update to 4.1.
6902
6903 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
6904
6905         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
6906         Clarify that the alternative way doesn't work in GNU C++.
6907
6908 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6909
6910         PR tree-optimization/19937
6911         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
6912         to the type of the induction variable.
6913
6914 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
6915
6916         PR rtl-optimization/20117
6917         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
6918         the block including noncopyable insn.
6919
6920 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
6921
6922         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
6923         calls to find_reg_note.
6924
6925 2005-02-24  Richard Henderson  <rth@redhat.com>
6926
6927         PR tree-opt/20127
6928         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
6929         the type.
6930
6931 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
6932
6933         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
6934         vector types if to use base reg for misaligned non-word ld/std.
6935
6936 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
6937
6938         PR target/14619
6939         * config/cris/cris.c (cris_target_asm_function_prologue): Create
6940         dwarf2 label manually and put it after, not before the prologue.
6941
6942 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
6943
6944         PR target/19019
6945         * reload.c (operands_match_p): Only increment register number for
6946         SCALAR_INT_MODE_P modes in multiple hard registers.
6947
6948         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
6949         Fix formatting.
6950
6951 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6952
6953         * ChangeLog.5: Fix log message typo(s).
6954         * ChangeLog.7: Likewise.
6955         * ChangeLog.tree-ssa: Likewise.
6956         * cfgexpand.c: Fix comment typo(s).
6957         * conflict.c: Likewise.
6958         * defaults.h: Likewise.
6959         * dwarf2out.c: Likewise.
6960         * gcse.c: Likewise.
6961         * ggc-page.c: Likewise.
6962         * tree-eh.c: Likewise.
6963         * tree-ssa-dom.c: Likewise.
6964
6965 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
6966
6967         PR target/19019
6968         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
6969         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
6970         if SHARED is defined.
6971
6972         PR target/20196
6973         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
6974         allow splitting only if operands 0 and 3 don't overlap.
6975
6976 2005-02-24  Richard Henderson  <rth@redhat.com>
6977
6978         PR middle-end/19953
6979         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
6980         (fold_builtin_1): Call them.
6981         * fold-const.c (fold_complex_mult_parts): Split out from ...
6982         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
6983         (fold_complex_div_parts, fold_complex_div): New.
6984         (fold): Use them.
6985         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
6986
6987 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6988
6989         * tree-ssa-ccp.c (visit_assignment): Verify that result of
6990         VIEW_CONVERT_EXPR is_gimple_min_invariant.
6991
6992         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
6993         (print_node): Likewise.
6994         Print TYPE_SIZES_GIMPLIFIED.
6995
6996 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
6997
6998         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
6999         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
7000         operands as commutative in constraints.
7001
7002 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
7003
7004         * tree-into-ssa.c: Re-organize internal functions.
7005
7006 2005-02-24  Richard Henderson  <rth@redhat.com>
7007
7008         PR middle-end/18902
7009         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
7010         for c99.
7011         * common.opt (fcx-limited-range): New.
7012         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
7013         * toplev.c (flag_complex_method): Initialize to 1.
7014         (process_options): Set flag_complex_method to 0 if
7015         flag_cx_limited_range.
7016         * doc/invoke.texi (-fcx-limited-range): New.
7017
7018 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7019
7020         * cse.c (delete_trivially_dead_insns): Speed up by using
7021         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
7022         prev_real_insn.
7023
7024 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
7025
7026         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
7027         functions when -mid-shared-library is being used.
7028
7029 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7030
7031         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
7032         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
7033         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
7034         * system.h: Poison LINK_LIBGCC_SPECIAL.
7035
7036 2005-02-23  James E Wilson  <wilson@specifixinc.com>
7037
7038         * gengtype.c (note_insn_name): Make 1 element larger.
7039
7040 2005-02-23  Roger Sayle  <roger@eyesopen.com>
7041
7042         PR target/20018
7043         PR rtl-optimization/20097
7044         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
7045         BImode SUBREGs of SImode registers which confuse the ia64 backend.
7046
7047 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
7048
7049         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
7050         * t-aix52 (SHLIB_INSTALL): Same.
7051
7052 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
7053
7054         * genpreds.c: Update copyright.
7055
7056 2005-02-23  Michael Beach  <michaelb@ieee.org>
7057
7058         PR target/20159
7059         * config/sparc/t-elf (startup files): Assemble with CPP.
7060
7061 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
7062
7063         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
7064         (write_predicate_expr): Likewise.
7065
7066 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7067
7068         PR tree-optimization/20100
7069         PR tree-optimization/20115
7070         * tree-optimize.c (init_tree_optimization_passes): Remove
7071         pass_maybe_create_global_var.
7072         * tree-pass.h (pass_maybe_create_global_var): Remove.
7073         * tree-ssa-alias.c (aliases_computed_p): Declare.
7074         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
7075         (count_calls_and_maybe_create_global_var): Remove.
7076         (pass_maybe_create_global_var): Remove.
7077         (init_alias_info): Do not declare aliases_computed_p.
7078         (maybe_create_global_var): If the function contains no
7079         call-clobbered variables and a mix of pure/const and regular
7080         function calls, create .GLOBAL_VAR.
7081         Mark all call-clobbered variables for renaming.
7082         (merge_pointed_to_info): Update comment.
7083         (add_pointed_to_var): Likewise.
7084         (is_escape_site): Likewise.
7085         Accept struct alias_info * instead of size_t *.
7086         Update all users.
7087         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
7088         as necessary.
7089         * tree-ssa-operands.c (get_call_expr_operands): If
7090         ALIASES_COMPUTED_P is false, do not add call-clobbering
7091         operands.
7092         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
7093         (delete_tree_ssa): Likewise.
7094
7095 2005-02-22  James E Wilson  <wilson@specifixinc.com>
7096
7097         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
7098         (do_compile): Do call it here.
7099
7100 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7101
7102         PR rtl-optimization/20017.
7103         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
7104         rest_of_handle_cse2, rest_of_handle_gcse): Call
7105         delete_dead_jumptables immediately before calling cleanup_cfg.
7106
7107 2005-02-22  Devang Patel  <dpatel@apple.com>
7108
7109         PR 19952
7110         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
7111         all labels
7112
7113 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
7114
7115         * config/rs6000/aix.h (WINT_TYPE): Define.
7116
7117 2005-02-22  Stan Shebs  <shebs@apple.com>
7118
7119         * config/rs6000/rs6000.c (rs6000_override_options): Default to
7120         natural alignment for 64-bit Darwin.
7121         (rs6000_parse_alignment_option): Warn about uses of -malign-power
7122         on 64-bit Darwin.
7123         * doc/invoke.texi: Document this.
7124
7125 2005-02-22  DJ Delorie  <dj@redhat.com>
7126
7127         * c-common.c (c_common_type_for_mode): Pass the mode's precision
7128         to make_[un]signed_type, not the mode itself.
7129
7130 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7131
7132         * cfg.c (cached_make_edge): Call make_edge if edge cache is
7133         not available.  Use tail calls wherever possible.
7134         (make_edge): Call unchecked_make_edge to create an edge.
7135
7136         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
7137         (coalesce_ssa_name): Don't check for
7138         SSANORM_USE_COALESCE_LIST.
7139         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
7140
7141 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7142
7143         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
7144         (rewrite_into_ssa): ... here.
7145
7146 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
7147
7148         PR tree-optimization/19786
7149         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
7150         tag to another's may-alias bitmap when adding to the other's list.
7151
7152 2005-02-21  DJ Delorie  <dj@redhat.com>
7153
7154         * tree-ssa-loop-ivopts.c (computation_cost): Start register
7155         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
7156         registers in unsupported ways.
7157         * expmed.c (init_expmed): Likewise.
7158
7159 2005-02-21  Stan Cox  <scox@redhat.com>
7160
7161         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
7162
7163 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7164
7165         * tree-cfg.c (fold_cond_expr_cond): New.
7166         (make_edges): Call fold_cond_expr_cond.
7167         (find_taken_edge): Accept nothing but INTEGER_CST.
7168         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
7169         and 1.
7170         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
7171
7172         * flow.c (delete_dead_jumptables): Speed up by scanning insns
7173         that do not belong to any basic block.
7174
7175 2005-02-21  Jeff Law  <law@redhat.com>
7176
7177         * cfganal.c (find_unreachable_blocks): Manually CSE load of
7178         e->dest.
7179
7180 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7181
7182         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
7183         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
7184         Adjust their definitions.
7185         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
7186         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
7187
7188         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
7189         genautomata.c, langhooks.c, langhooks.h, system.h,
7190         config/arm/lib1funcs.asm: Update copyright.
7191
7192 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
7193
7194         * dbxout.c (dbxout_function_end): Emit Lscope label always.
7195
7196 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
7197
7198         PR bootstrap/13770
7199         * doc/install.texi: Document --with-gc.
7200
7201 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
7202
7203         * simplify-rtx.c (simplify_unary_operation): Add a missing
7204         "break" statement.
7205
7206 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7207
7208         PR tree-optimization/18663
7209         * tree-ssa-dom.c (extract_range_from_cond): Return 0
7210         if the type has variable bounds.
7211
7212 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
7213
7214         * gcse.c: Remove an obsolete comment.
7215
7216         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
7217
7218 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
7219
7220         * doc/extend.texi (Function Attributes) <Attribute const>: The
7221         attribute "pure" is below this text, not above.
7222
7223 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7224
7225         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
7226         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
7227         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
7228
7229 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
7230
7231         PR 18785
7232         * langhooks.h (struct lang_hooks): Add to_target_charset.
7233         * langhooks.c (lhd_to_target_charset): New function.
7234         * langhooks-def.h: Declare lhd_to_target_charset.
7235         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
7236         (LANG_HOOKS_INITIALIZER): Update.
7237         * c-common.c (c_common_to_target_charset): New function.
7238         * c-common.h: Declare it.
7239         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
7240         c_common_to_target_charset.
7241
7242         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
7243         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
7244         Delete definitions.
7245         * system.h: Poison them.
7246         * doc/tm.texi: Don't discuss them.
7247         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
7248         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
7249         (pp_c_char): Do not attempt to generate letter escapes for
7250         newline, tab, etc.
7251         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
7252         * config/mips/mips.c (mips_output_ascii): Likewise.
7253
7254 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
7255
7256         PR tree-optimization/19951
7257         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
7258         is abnormal.
7259
7260 2005-02-19  Steven Bosscher  <stevenb@suse.de>
7261
7262         PR middle-end/19698
7263         * function.h (struct function): New field `max_loop_depth'.
7264         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
7265         (flow_loops_find): Reset the max loop depth count before finding loops.
7266         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
7267         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
7268         (calculate_global_regs_live): Make sure the loop will terminate
7269         when the initial sets are not empty.
7270
7271 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
7272
7273         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
7274         object inside.
7275         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
7276
7277 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
7278
7279         PR other/19525
7280         * doc/invoke.texi: Remove documentation of %M spec.
7281         * gcc.c: Likewise.
7282         (init_spec): Remove %M suffix from -lgcc_s.
7283         (do_spec_1): Remove 'M' case.
7284         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
7285         to put shared libraries in the multilib directory.  Remove the
7286         shlib_so_soname substitution variable.  Don't add a multilib encoding
7287         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
7288         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
7289         SHLIB_INSTALL as well as SHLIB_LINK.
7290         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
7291         (SHLIB_NAME): Delete.
7292         (SHLIB_DIR): New macro.
7293         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
7294         (SHLIB_INSTALL): Adjust accordingly.
7295         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
7296         * config/t-slibgcc-sld: Likewise.
7297         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
7298         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
7299         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
7300         in $(SHLIB_DIR).
7301         (SHLIBUNWIND_INSTALL): Adjust accordingly.
7302         * config/i386/t-nwld (SHLIB_SONAME): Delete.
7303         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
7304         Use @shlib_base_name@ instead of @shlib_so_name@.
7305         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
7306         and @shlib_base_name@.so in @multilib_dir@.
7307         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
7308         to the install path.
7309         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
7310         (SHLIB_LINK): Remove previous workaround.
7311         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
7312         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
7313         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
7314         the install path.
7315         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
7316         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
7317         (SHLIB_INSTALL): Adjust accordingly.
7318         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
7319         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
7320         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
7321         config/t-slibgcc-elf-ver.
7322
7323 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
7324             Jakub Jelinek  <jakub@redhat.com>
7325
7326         PR tree-optimization/19828
7327         * tree-ssa-loop-im.c: Add a TODO comment.
7328         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
7329         without side-effects.
7330
7331 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7332
7333         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
7334         call fold_convert.
7335
7336 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
7337
7338         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
7339         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
7340         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
7341         functions.
7342         (ia64_reorg): Delete fixup_errata call.
7343         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
7344         (TARGET_SWITCHES): Delete -mb-step entry.
7345
7346 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
7347
7348         PR c/20043
7349         * c-typeck.c (composite_type): Handle quals in transparent unions.
7350         (type_lists_compatible_p): Likewise.
7351
7352 2005-02-18  Stan Shebs  <shebs@apple.com>
7353
7354         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
7355         expressions in the .literal8 section.
7356
7357 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
7358
7359         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
7360
7361 2005-02-18  Roger Sayle  <roger@eyesopen.com>
7362
7363         * fold-const.c (constant_boolean_node): Always create values of the
7364         specified type, don't bother calling truthvalue_conversion.
7365
7366 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7367
7368         * except.c (output_function_exception_table): Call
7369         assemble_external_libcall (eh_personality_libfunc).
7370
7371 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7372
7373         PR target/19886
7374         * config/ia64/ia64.h (struct machine_function): Add state_num.
7375         * config/ia64/ia64.c (process_epilogue,
7376         process_for_unwind_directive): Use new unwind state numbers each
7377         time rather than state 1.
7378
7379 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
7380
7381         PR target/20054
7382         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
7383         before the "*llgt_didi" pattern.
7384
7385 2005-02-18  Jason Merrill  <jason@redhat.com>
7386
7387         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
7388
7389 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
7390
7391         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
7392         (div0): Use it in place of ARM_FUNC_ALIAS.
7393         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
7394
7395 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
7396
7397         PR middle-end/20030
7398         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
7399         access, the lower bound of the array type if it exists.
7400
7401 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
7402
7403         PR c++/20008
7404         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
7405         cases that are out-of-range for the index type.
7406
7407 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7408
7409         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
7410         (estimate_case_costs): Don't call convert.
7411         * expmed.c (expand_shift): Likewise.
7412         (make_tree): Call fold_convert instead of convert.
7413
7414 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7415
7416         PR c++/19813
7417         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
7418         that ref to be marked MEM_READONLY_P doesn't have base that needs
7419         constructing.
7420
7421 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7422
7423         * genautomata.c (output_get_cpu_unit_code_func,
7424         output_cpu_unit_reservation_p): Don't generate old-style function
7425         definitions.
7426
7427 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7428
7429         PR c++/20023
7430         PR tree-optimization/20009
7431         * convert.c (convert_to_integer): Revert 2005-02-16 change.
7432
7433         PR tree-optimization/18947
7434         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
7435         inline, remove all nodes that are inlined into the extern inline
7436         being redefined.
7437
7438 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
7439
7440         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
7441         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
7442         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
7443         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
7444         Update copyright.
7445
7446 2005-02-17  Roger Sayle  <roger@eyesopen.com>
7447
7448         PR tree-optimization/19917
7449         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
7450         to be potentially trapping.
7451
7452 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
7453
7454         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
7455
7456 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7457
7458         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
7459         tem becomes a local variable which is set to the value of the
7460         back end defined INITIAL_FRAME_ADDRESS macro.
7461         (expand_builtin_frame_address): Omit the base parameter to
7462         expand_builtin_return_addr.
7463         (expand_builtin_profile_func): Likewise.
7464         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
7465         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
7466         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
7467
7468 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
7469
7470         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
7471         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
7472         * config/frv/frv.c (frv_function_epilogue): Likewise.
7473
7474 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
7475
7476         * lambda-code (perfect_nestify): Remove mark/unmark
7477         for rewriting hack.
7478         * tree-loop-linear.c (linear_transform_loops): Add
7479         rewrite_into_ssa call so that ssa is correct for
7480         rewriting into loop closed.
7481
7482 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
7483
7484         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
7485         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
7486         BITMAP_FREE.
7487         * bt-load.c (btr_def_live_range, combine_btr_defs,
7488         migrate_btr_def, migrate_btr_defs): Likewise.
7489         * cfgcleanup.c (thread_jump): Likewise.
7490         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
7491         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
7492         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
7493         df_rd_local_compute, df_reg_info_compute): Likewise.
7494         * dominance.c (init_dom_info, free_dom_info): Likewise.
7495         * flow.c (init_propagate_block_info,
7496         free_propagate_block_info): Likewise.
7497         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
7498         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
7499         modify_reg_pav): Likewise.
7500         * loop-invariant.c (find_defs, find_invariant_insn,
7501         find_invariants, free_inv_motion_data): Likewise.
7502         * predict.c (tree_predict_by_opcode,
7503         estimate_bb_frequencies): Likewise.
7504         * stmt.c (expand_case): Likewise.
7505         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
7506         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
7507         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
7508         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
7509         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
7510         rewrite_ssa_into_ssa): Likewise.
7511         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7512         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
7513         analyze_edges_for_bb, perform_edge_inserts): Likewise.
7514         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
7515         * tree-sra.c (tree_sra): Likewise.
7516         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
7517         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
7518         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
7519         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
7520         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
7521         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
7522         Likewise.
7523         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
7524         calculate_live_on_entry, calculate_live_on_exit,
7525         build_tree_conflict_graph): Likewise.
7526         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
7527         record_important_candidates, set_use_iv_cost, find_depends,
7528         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
7529         tree_ssa_iv_optimize_finalize): Likewise.
7530         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
7531         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
7532         tree_duplicate_loop_to_header_edge): Likewise.
7533         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
7534         * tree-ssa.c (verify_flow_insensitive_alias_info,
7535         verify_name_tags, verify_ssa, init_tree_ssa,
7536         delete_tree_ssa): Likewise.
7537         * tree-ssanames.c (marked_ssa_names, init_ssanames,
7538         fini_ssanames): Likewise.
7539         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
7540
7541 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
7542
7543         * config/rs6000/t-rtems: Completely reworked.
7544
7545 2005-02-17  Ira Rosen  <irar@il.ibm.com>
7546
7547         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
7548
7549 2005-02-17  Ira Rosen  <irar@il.ibm.com>
7550
7551         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
7552         POINTER_TYPE_P when checking that type is a pointer.
7553         (vect_get_memtag): Remove.
7554         (vect_address_analysis): Use POINTER_TYPE_P. Call
7555         vect_object_analysis with dummy parameter for memtag.
7556         (vect_object_analysis): Extract memtag (functionality that
7557         used to be in vect_get_memtag and moved here). Fix printings.
7558         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
7559         with correct parameters. Remove call to vect_get_memtag.
7560
7561 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
7562
7563         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
7564         (tree-vectorizer.o): Added missing dependencies.
7565
7566         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
7567         decleration.
7568         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
7569         declaration in tree-vectorizer.c, now has an extern declaration in
7570         tree-vectorizer.h).
7571         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7572         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
7573         get_vectype_for_scalar_type, vect_is_simple_use,
7574         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
7575         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
7576         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
7577         vectorizable_store, vectorizable_operation, vectorizable_assignment,
7578         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
7579         find_loop_location): Likewise.
7580
7581         * tree-vectorizer.c (langhooks.h): #include removed.
7582         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
7583         moved to tree-vectorized.h.
7584         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7585         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
7586         get_vectype_for_scalar_type, vect_is_simple_use,
7587         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
7588         vect_supportable_dr_alignment, new_loop_vec_info,
7589         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
7590         vect_set_verbosity_level, find_loop_location): Likewise.
7591
7592         (vect_analyze_loop): Function externalized. Declaration moved to
7593         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
7594         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
7595         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
7596         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
7597         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
7598         vect_enhance_data_refs_alignment, vect_analyze_operations,
7599         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
7600         vect_stmt_relevant_p, vect_get_loop_niters,
7601         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
7602         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
7603         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
7604         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
7605         vect_get_memtag): Likewise.
7606
7607         (vectorizable_load): Function externalized. Declaration moved to
7608         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
7609         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
7610         vect_transform_loop): Likewise.
7611         (vect_transform_stmt): Moved to tree-vect-transform.c.
7612         (vect_align_data_ref, vect_create_destination_var,
7613         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
7614         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
7615         vect_get_vec_def_for_operand, vect_init_vector,
7616         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
7617         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
7618         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
7619         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
7620         vect_do_peeling_for_loop_bound): Likewise.
7621
7622         * tree-vect-analyze.c: New file.
7623         * tree-vect-transform.c: New file.
7624
7625 2005-02-17  Jason Merrill  <jason@redhat.com>
7626
7627         PR mudflap/19319, c++/19317
7628         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
7629         slot explicit.
7630
7631 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
7632
7633         * doc/install.texi (Specific): Update link for Darwin-specific
7634         tool binary site.
7635
7636 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
7637
7638         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
7639         constant_boolean_node.
7640
7641 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
7642
7643         PR target/19019
7644         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
7645         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
7646
7647 2005-02-16  Richard Henderson  <rth@redhat.com>
7648
7649         PR 19920
7650         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
7651         with W_TYPE_SIZE.
7652         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
7653         replace uses with Wtype_MAXp1_F.
7654         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
7655         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
7656         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
7657         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
7658         and HAVE_TFMODE as appropriate.
7659         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
7660         (__floatdisf): Likewise.
7661         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
7662         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
7663         (Wtype_MAXp1_F): New.
7664         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
7665         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
7666
7667 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
7668
7669         * PR target/19162
7670         * arm.c (arm_apply_result_size): New function.
7671         * arm.h (APPLY_RESULT_SIZE): Define.
7672         * arm-protos.h (arm_apply_result_size): Add prototype.
7673         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
7674         (movxf): New expand.
7675         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
7676         (call_value_symbol): Remove predicate for operand 0.
7677         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
7678         (untyped_call): Rework to correclty return values for any type.
7679         (untyped_return): New expand.
7680         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
7681
7682 2005-02-16  Stan Shebs  <shebs@apple.com>
7683
7684         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
7685         * config/rs6000/t-darwin8: New, for 64-bit multilib.
7686
7687 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
7688
7689         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
7690         configure settings on Solaris 7 and later.
7691
7692 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
7693
7694         PR tree-optimization/19865
7695         * tree-optimize.c (init_tree_optimization_passes): Run
7696         pass_may_alias after pass_sra.
7697
7698 2005-02-16  Richard Henderson  <rth@redhat.com>
7699             Stuart Hastings  <stuart@apple.com>
7700
7701         PR debug/19521
7702         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
7703         Do nothing if debug info suppressed for this function.
7704         (dbxout_begin_function): Early exit if debug info suppressed for
7705         this function.
7706
7707 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
7708
7709         PR target/20007
7710         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
7711         find_basic_blocks.
7712         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
7713
7714         PR tree-optimization/19967
7715         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
7716         expand_builtin_strchr, expand_builtin_strrchr): Take a new
7717         argument TYPE.  Adjust calls to fold_builtin_XXX.
7718         (expand_builtin, fold_builtin_1): Adjust calls to
7719         expand_builtin_XXX.
7720         (fold_builtin_strchr, fold_builtin_strpbrk,
7721         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
7722         result to a requested type TYPE.
7723
7724 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
7725
7726         PR middle-end/19857
7727         * fold-const.c (fold): Don't optimize (T)(x & cst) to
7728         (T)x & (T)cst if (T)cst overflows.
7729         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
7730         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
7731
7732 2005-02-15  Jeff Law  <law@redhat.com>
7733
7734         * gcse.c (blocks_with_calls): New bitmap.
7735         (alloc_gcse_mem): Allocate it.
7736         (free_gcse_mem): Free it.
7737         (clear_modifY_mem_tables): Clear it.
7738         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
7739         when we encounter CALL_INSNs.
7740         (compute_transp, case MEM): Handle blocks with calls separate
7741         from blocks without calls.  Use bitmap iterators rather than
7742         FOR_EACH_BB.
7743
7744 2005-02-15  Peter O'Gorman  <peter@pogma.com>
7745
7746         PR bootstrap/18810
7747         * mklibgcc.in (vis_hide): Use a temporary object file, not
7748         -o /dev/null.
7749
7750 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
7751
7752         PR target/19924
7753         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
7754         access optimization.
7755
7756 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
7757             Alan Modra  <amodra@bigpond.net.au>
7758
7759         PR target/19019
7760         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
7761         (_xlqsub): Rename to __gcc_qsub.
7762         (_xlqmul): Rename to __gcc_qmul.
7763         (_xlqdiv): Rename to __gcc_qdiv.
7764         Provide versioned symbol aliases with old names.
7765         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
7766         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
7767         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
7768         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
7769         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
7770
7771 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
7772
7773         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
7774         Fold ~(A - 1) and ~(A + -1) to -A.
7775
7776 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
7777
7778         PR pch/14940
7779         PR target/19300
7780         * config/host-linux.c (linux_gt_pch_use_address): Copy from
7781         config/pa/pa-host.c:pa_gt_pch_use_address.
7782
7783 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
7784
7785         * tree-vn.c (get_value_handle): Make sure that given an
7786         is_gimple_min_invariant expression, we always return it.
7787
7788 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
7789
7790         * passes.c (rest_of_handle_gcse): Fix a comment.
7791
7792 2005-02-15  Jeff Law  <law@redhat.com>
7793
7794         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
7795         bitmap.
7796         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
7797         (canon_list_insert, record_last_mem_set_info): Similarly.
7798         (clear_modify_mem_tables): Similarly.
7799
7800 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
7801
7802         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
7803         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
7804         config/mips/mips.md, config/rs6000/aix.h,
7805         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
7806
7807 2005-02-15  Richard Henderson  <rth@redhat.com>
7808
7809         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
7810         call to be best_edge.
7811
7812 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
7813
7814         * basic-block.h: Adjust the prototype for find_basic_blocks.
7815         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
7816         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
7817         find_basic_blocks.
7818
7819         * flow.c (recompute_reg_usage): Remove all arguments.
7820         * passes.c (rest_of_compilation): Adjust the call to
7821         recompute_reg_usage.
7822         * rtl.h: Adjust the prototype for recompute_reg_usage.
7823
7824 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
7825
7826         * tree-dump.c (dump_files): Update to reflect new member
7827         of dump_file_info.
7828         (dump_register): Add new argument.
7829         Set glob name.
7830         (dump_switch_p_1): Check against glob name if doglob was passed.
7831         (dump_switch_p): Check against regular first, then glob if
7832         we didn't have any hits on the dump name.
7833         * tree-optimize.c (register_one_dump_file):
7834         Pass in glob name as well.
7835         * tree-pass.h (struct dump_file_info): Add glob
7836         member.
7837
7838 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
7839
7840         PR preprocessor/16323
7841         * doc/invoke.texi: Document that -Wendif-labels is on by default.
7842
7843 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
7844
7845         PR target/19019
7846         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
7847         (trunctfdf2_internal1): New.
7848         (trunctfdf2_internal2): Renamed from trunctfdf2.
7849
7850 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
7851
7852         PR tree-optimization/19853
7853         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
7854
7855 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
7856
7857         * passes.c (rest_of_handle_loop_optimize): Remove calls to
7858         delete_dead_jumptables and cleanup_cfg.
7859
7860 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
7861
7862         * reload.c (find_reloads): Swap address_reloaded flags when
7863         swapping commutative operands.
7864
7865 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
7866
7867         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
7868         Use standard_iv_increment_position for computing the bsi position
7869         for create_iv.
7870         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
7871         the bsi position.
7872
7873 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
7874
7875         PR target/17428
7876         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
7877         life range of hard registers.
7878         * value-prof.c (insn_prefetch_values_to_profile): Only
7879         scan normal insns.
7880
7881         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
7882         profile in libcalls.
7883
7884 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
7885
7886         * bitmap.h (bitmap_and_compl_into): Return bool.
7887         * bitmap.c (bitmap_and_compl_into): Return changed flag.
7888
7889 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
7890
7891         PR tree-optimization/19944
7892         * fold-const.c (fold): Re-add ABS_EXPR folding.
7893
7894 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
7895
7896         PR target/19019
7897         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
7898         {TARGET,MASK}_XL_COMPAT.
7899         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
7900         MASK_XL_COMPAT.
7901         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
7902         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
7903         TARGET_XL_COMPAT.
7904         (rs6000_arg_partial_bytes): Same.
7905         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
7906         and XL compatibility enabled.
7907         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
7908         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
7909         test to final condition.
7910         (cmptf_internal2): New.
7911         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
7912         xl-compat.  Add TFmode information to description.
7913
7914 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
7915
7916         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
7917
7918 2005-02-13  Jason Merrill  <jason@redhat.com>
7919
7920         PR c++/16405
7921         * fold-const.c (fold_indirect_ref_1): Split out from...
7922         (build_fold_indirect_ref): Here.
7923         (fold_indirect_ref): New fn.
7924         * tree.h: Declare it.
7925         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
7926         (gimplify_modify_expr_rhs): Likewise.
7927         (gimplify_expr): Likewise.
7928
7929 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
7930
7931         PR tree-optimization/14303
7932         PR tree-optimization/15784
7933         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
7934         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
7935         ABS_EXPR<x> != 0 to x != 0.
7936
7937 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
7938
7939         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
7940         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
7941         spelling conventions.
7942
7943         * passes.c (rest_of_handle_gcse): Don't run cse_main and
7944         delete_trivially_dead_insns too many times.
7945
7946         * passes.c (rest_of_handle_gcse): Remove dead assignments to
7947         tem and tem2.
7948
7949 2005-02-12  Ira Rosen  <irar@il.ibm.com>
7950
7951         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
7952         (vect_is_simple_iv_evolution): Remove redundant parameter
7953         and step check.
7954         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
7955         without last parameter.
7956         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
7957         Return pointer step. Call vect_is_simple_iv_evolution without
7958         last parameter. Check only that the step is multiple of size
7959         type. Remove stmt_vinfo updates.
7960         (vect_get_memtag_and_dr): Remove.
7961         (vect_get_memtag): New function.
7962         (vect_address_analysis): New function.
7963         (vect_object_analysis): New function.
7964         (vect_analyze_data_refs): Call vect_object_analysis and
7965         vect_get_memtag. Update stmt_vinfo fields.
7966
7967 2005-02-12  Ira Rosen  <irar@il.ibm.com>
7968
7969         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
7970         exist and are objects. Remove checks for pointer.
7971         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
7972         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
7973         (vect_create_data_ref_ptr): Likewise.
7974         (vect_base_addr_differ_p): New function.
7975         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
7976         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
7977         Don't set the DR_BASE_NAME field of data-ref.
7978         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
7979
7980 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
7981
7982         * optabs.h (enum optab_index): Add new OTI_ldexp.
7983         (ldexp_optab): Define corresponding macro.
7984         * optabs.c (init_optabs): Initialize ldexp_optab.
7985         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
7986         patterns.
7987         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
7988         using ldexp_optab.
7989         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
7990         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
7991
7992         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
7993         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
7994         intrinsics.
7995
7996 2005-02-12  Ira Rosen  <irar@il.ibm.com>
7997
7998         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
7999         to base_address.
8000         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
8001         stmt_vec_info.
8002         (vect_get_base_and_offset): Always return an address.
8003         (vect_create_addr_base_for_vector_ref): Remove treatment for
8004         different data reference types.
8005         (vect_compute_data_ref_alignment): Rename base to base_address in
8006         stmt_vec_info. Get the object in order to force its alignment.
8007         (vect_get_memtag_and_dr): Rename base to base_address in
8008         stmt_vec_info. Extract the object for memtag analysis.
8009
8010 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
8011
8012         PR regression/19898.
8013         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
8014         changes cc_status, use apply modified_in_p to part of cc_status
8015         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
8016         body.
8017
8018 2005-02-11  Richard Henderson  <rth@redhat.com>
8019
8020         * tree-complex.c (expand_complex_libcall): New.
8021         (expand_complex_multiplication): Use it for c99 compliance.
8022         (expand_complex_division): Likewise.
8023         * fold-const.c (fold_complex_add, fold_complex_mult): New.
8024         (fold): Call them.
8025         * builtins.c (built_in_names): Remove const.
8026         * tree.c (build_common_builtin_nodes): Build complex arithmetic
8027         builtins.
8028         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
8029         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
8030         (built_in_names): Remove const.
8031         * c-common.c (c_common_type_for_mode): Handle complex modes.
8032         * flags.h, toplev.c (flag_complex_method): Rename from
8033         flag_complex_divide_method.
8034         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
8035         __mulsc3, __muldc3, __mulxc3, __multc3): New.
8036         * libgcc2.h: Declare them.
8037         * libgcc-std.ver: Export them.
8038         * mklibgcc.in (lib2funcs): Build them.
8039
8040 2005-02-11  Steven Bosscher  <stevenb@suse.de>
8041
8042         PR tree-optimization/19876
8043         Partially revert my change from 2005-01-14
8044         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
8045         (compute_antic): ...and remove the loop here.
8046
8047 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
8048
8049         PR middle-end/19858
8050         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
8051         is number of inner's bits, avoid creating a BIT_FIELD_REF.
8052
8053         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
8054         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
8055
8056 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
8057
8058         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
8059         offsets for the big-endian 32-bit case.
8060
8061 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
8062
8063         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
8064
8065 2005-02-11  Dale Johannesen  <dalej@apple.com>
8066
8067         * cselib.c (cselib_process_insn):  Clear out regs where
8068         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
8069         * reload.c (find_equiv_reg): Ditto.
8070
8071 2005-02-11  Ian Lance Taylor  <ian@airs.com>
8072
8073         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
8074         with no elements.
8075
8076         * tree.c (build_function_type_list): Work correctly if there are
8077         no arguments.
8078
8079 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
8080
8081         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
8082         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
8083         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
8084         TARGET_ZARCH instead of TARGET_64BIT.
8085
8086 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
8087
8088         * config/rs6000/t-rtems:
8089         (MULTILIB_OPTIONS): Remove mcpu=602.
8090         (MUTLILIB_DIRNAMES): Remove m602.
8091         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
8092         Let mcpu=602 match mcpu=603.
8093         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
8094
8095 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8096
8097         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
8098         signal trampolines.
8099
8100 2005-02-10  David Daney  <ddaney@avtrex.com>
8101
8102         * config/alpha/linux-unwind.h: Add exception clause to copyright.
8103         * config/i386/linux-unwind.h: Likewise.
8104         * config/ia64/linux-unwind.h: Likewise.
8105         * config/mips/linux-unwind.h: Likewise.
8106         * config/pa/linux-unwind.h: Likewise.
8107         * config/rs6000/linux-unwind.h: Likewise.
8108         * config/s390/linux-unwind.h: Likewise.
8109         * config/sh/linux-unwind.h: Likewise.
8110         * config/sparc/linux-unwind.h: Likewise.
8111
8112 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8113
8114         PR tree-optimization/17549
8115         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
8116         TER to replace a DEF with its expression if the DEF and the
8117         rhs of the expression we replace into have the same root
8118         variable.
8119
8120 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
8121
8122         * config/mips/mips.md: Fix the placement of the match_scratch in the
8123         lea64 peephole2.
8124
8125 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8126
8127         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
8128         Fix comment typos.
8129
8130 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
8131
8132         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
8133         (strip_offset): Handle addresses.
8134         (add_address_candidates): Use strip_offset.
8135         (difference_cost): Reflect strip_offset change.
8136         (force_var_cost, difference_cost): Strip nops.
8137
8138 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8139
8140         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
8141
8142         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
8143         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
8144         config/cris/cris-protos.h, config/cris/cris.c: Update
8145         copyright.
8146
8147 2005-02-10  Jeff Law  <law@redhat.com>
8148
8149         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
8150         (lookup_avail_expr): Similarly.
8151
8152 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
8153
8154         * builtins.c (fold_builtin_powi): New function.
8155         (fold_builtin_1): Call it.
8156
8157 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8158
8159         PR documentation/19309
8160         * doc/cpp.texi: The __GNUC__ and related predefined macros
8161         are also defined for the "standalone" cpp.
8162         Some non-GCC compilers may also define __GNUC__.
8163
8164 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
8165
8166         PR c/19342
8167         * c-typeck.c (common_type): New routine.  Old common_type renamed
8168         to...
8169         (c_common_type): ...this.
8170         (build_conditional_expr, build_binary_op): Use c_common_type instead
8171         of common_type.
8172
8173 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8174
8175         * doc/md.texi: Replace @samp{length} with @code{length}.
8176
8177 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8178
8179         PR tree-optimization/18687
8180         * tree-flow.h (find_loop_niter): Declare.
8181         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
8182         Try using scev even for loops with more than one exit.
8183         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
8184         (struct ivopts_data): Added niters field.
8185         (struct nfe_cache_elt): New.
8186         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
8187         functions.
8188         (tree_ssa_iv_optimize_init): Initialize niters cache.
8189         (determine_number_of_iterations): Removed.
8190         (find_induction_variables): Do not call determine_number_of_iterations.
8191         Access niters for single exit through niter_for_single_dom_exit.
8192         (add_iv_outer_candidates): Access niters for single exit through
8193         niter_for_single_dom_exit.
8194         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
8195         number_of_iterations_cond.
8196         (iv_period): New function.
8197         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
8198         (may_replace_final_value): Take data argument.  Use
8199         niter_for_single_dom_exit.
8200         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
8201         (rewrite_use_compare): Pass data to may_eliminate_iv.
8202         (rewrite_use_outer): Pass data to may_replace_final_value.
8203         (free_loop_data): Clean up the niters cache.
8204         (tree_ssa_iv_optimize_finalize): Free the niters cache.
8205         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
8206         * tree-ssa-loop-niter.c (find_loop_niter): New function.
8207         (find_loop_niter_by_eval): Use tree_int_cst_lt.
8208         (num_ending_zeros): Moved to tree.c.
8209         * tree.h (num_ending_zeros): Declare.
8210         * tree.c (num_ending_zeros): Moved from tree.c.
8211
8212 2005-02-09  Richard Henderson  <rth@redhat.com>
8213
8214         * builtins.c (DEF_BUILTIN): Add COND argument.
8215         * tree.h (DEF_BUILTIN): Likewise.
8216         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
8217         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
8218         match.
8219         (DEF_BUILTIN_STUB): New.
8220         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
8221         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
8222         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
8223         * c-common.c (DEF_BUILTIN): Add COND argument.
8224         * tree.c (local_define_builtin): New.
8225         (build_common_builtin_nodes): New.
8226
8227 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8228
8229         * fold-const.c (fold_strip_sign_ops): New function to simplify a
8230         floating point expression ignoring the sign of the result.
8231         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
8232         (fold) <MULT_EXPR>: Use it to simplify x*x.
8233         * tree.h (fold_strip_sign_ops): Prototype here.
8234         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
8235         argument.  Use fold_strip_sign_ops to simplify the first argument.
8236         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
8237         first argument when the second argument is an even integer
8238         constant, but only with -funsafe_math_optimizations.
8239         (fold_builtin_1): Update call to fold_builtin_copysign.
8240
8241 2005-02-09  Ian Lance Taylor  <ian@airs.com>
8242
8243         PR middle-end/19583
8244         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
8245         just check whether EH_FILTER_FAILURE falls through.
8246
8247 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
8248
8249         * gcc/haifa-sched.c (schedule_block): Make queued sched group
8250         insns return to ready list in the next turn.
8251
8252 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8253
8254         PR middle-end/19402
8255         * builtins.def: New __builtin_powi[lf].
8256         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
8257         (expand_builtin_powi): New function.
8258         (expand_builtin): Dispatch to expand_builtin_powi.
8259         * libgcc2.h: Add prototypes for __builtin_powi[lf].
8260         * libgcc2.c: Add __builtin_powi[lf] implementation.
8261         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
8262         * optabs.h: Add powi_optab.
8263         * optabs.c (init_optabs): Initialize powi_optab.
8264         * doc/extend.texi: Document __builtin_powi[lf].
8265
8266 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
8267
8268         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
8269         exists.
8270
8271 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8272
8273         PR middle-end/19854
8274         * fold-const.c (try_move_mult_to_index): Remove redundant
8275         type argument.  Create ADDR_EXPR with correct type.
8276         (fold): Update callers of try_move_mult_to_index.  Convert
8277         result to the appropriate type.
8278
8279 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8280
8281         PR target/19597
8282         * config/avr/avr.c (default_rtx_costs): Delete.
8283         (avr_operand_rtx_cost): New function.
8284         (avr_rtx_costs): Completely rewrite.
8285
8286 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
8287
8288         PR target/19806
8289         * config/cris/cris.c (in_code): New variable.
8290         (cris_output_addr_const): Now a static function, a wrapper for
8291         output_addr_const.
8292         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
8293         case from old cris_output_addr_const.
8294         (cris_asm_output_label_ref): Similar for LABEL_REF.
8295         (cris_output_addr_const_extra): Similar for UNSPEC.
8296         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
8297         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
8298         * config/cris/cris-protos.h (cris_output_addr_const): Remove
8299         declaration.
8300         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
8301         (cris_asm_output_label_ref): Declare.
8302
8303 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
8304
8305         PR preprocessor/19801
8306         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
8307         filenames that changed when libcpp was moved to the toplevel.
8308
8309 2005-02-07  Roger Sayle  <roger@eyesopen.com>
8310
8311         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
8312         zero extensions of BImode operands.  Call lowpart_subreg instead
8313         of gen_lowpart_common and gen_lowpart_SUBREG.
8314
8315 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
8316
8317         PR ada/19489
8318         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
8319         * configure.ac: Set cc_for_cross_gnattools.
8320         * configure: Regenerate.
8321
8322 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
8323
8324         PR target/19803
8325         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
8326
8327 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8328
8329         PR debug/19327
8330         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
8331         of nested functions.
8332
8333 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
8334
8335         * doc/extend.texi: Document deprecated extensions allowing
8336         static floating-point members to have initializers and allowing
8337         floating-point literals in integral constant expressions.
8338
8339 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
8340
8341         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
8342         config/darwin7.h, config/mips/mips.c,
8343         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
8344         Update copyright.
8345
8346         * cse.c: Update comments.
8347
8348 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
8349
8350         PR middle-end/19775
8351         * builtins.c (fold_builtin_sqrt): Transform
8352         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
8353         pow(x,y*0.5).
8354
8355 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
8356             Dorit Naishlos  <dorit@il.ibm.com>
8357
8358         * doc/invoke.texi (ftree-vectorizer-verbose): New.
8359         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
8360         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
8361         was added.
8362         * tree.h (vect_set_verbosity_level): New extern function declaration
8363         added.
8364         * tree-vectorizer.h (verbosity_levels): New enum type.
8365         * tree-vectorizer.c (vect_debug_stats): Function removed.
8366         (vect_debug_details): Likewise.
8367         (vect_verbosity_level): Global variable was defined and initialized.
8368         (vect_dump): Global variable definition.
8369         (vect_print_dump_info): New function.
8370         (vect_set_dump_settings): New function.
8371         (vect_set_verbosity_level): New function.
8372         (vectorize_loops): Add call to vect_set_dump_settings.
8373
8374         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
8375         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8376         (slpeel_tree_peel_loop_to_edge): Likewise.
8377
8378         (vect_analyze_offset_expr): Call to vect_print_dump_info with
8379         appropriate verbosity level instead of call to vect_debug_details
8380         or vect_debug_stats.
8381         (vect_get_base_and_offset):
8382         (vect_create_addr_base_for_vector_ref):
8383         (get_vectype_for_scalar_type):
8384         (vect_create_data_ref_ptr):
8385         (vect_init_vector):
8386         (vect_get_vec_def_for_operand):
8387         (vect_finish_stmt_generation):
8388         (vectorizable_assignment):
8389         (vectorizable_operation):
8390         (vectorizable_store):
8391         (vectorizable_load):
8392         (vect_transform_stmt):
8393         (vect_update_ivs_after_vectorizer):
8394         (vect_do_peeling_for_loop_bound):
8395         (vect_update_inits_of_drs):
8396         (vect_do_peeling_for_alignment):
8397         (vect_transform_loop):
8398         (vect_is_simple_use):
8399         (vect_analyze_operations):
8400         (vect_is_simple_iv_evolution):
8401         (vect_analyze_scalar_cycles):
8402         (vect_analyze_data_ref_dependence):
8403         (vect_analyze_data_ref_dependences):
8404         (vect_compute_data_ref_alignment):
8405         (vect_enhance_data_refs_alignment):
8406         (vect_analyze_data_refs_alignment):
8407         (vect_analyze_data_ref_access):
8408         (vect_analyze_data_ref_accesses):
8409         (vect_analyze_pointer_ref_access):
8410         (vect_get_memtag_and_dr):
8411         (vect_analyze_data_refs):
8412         (vect_mark_relevant):
8413         (vect_stmt_relevant_p):
8414         (vect_mark_stmts_to_be_vectorized):
8415         (vect_can_advance_ivs_p):
8416         (vect_get_loop_niters):
8417         (vect_analyze_loop_form):
8418         (vect_analyze_loop):
8419         (vectorize_loops): Likewise.
8420
8421         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
8422         (vect_update_inits_of_drs):
8423         (vect_do_peeling_for_alignment):
8424         (vect_transform_loop):
8425         (vect_analyze_operations):
8426         (vect_analyze_scalar_cycles):
8427         (vect_analyze_data_ref_dependences):
8428         (vect_analyze_data_refs_alignment):
8429         (vect_analyze_data_ref_accesses):
8430         (vect_analyze_data_refs):
8431         (vect_mark_stmts_to_be_vectorized):
8432         (vect_get_loop_niters):
8433         (vect_analyze_loop_form):
8434         (vect_analyze_loop): Likewise.
8435         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
8436
8437 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
8438
8439         PR bootstrap/19796
8440         Revert:
8441         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
8442         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
8443         either -ffast-math or -funsafe-math-optimizations is in use.
8444
8445         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
8446         * config/mips/irix-csr.c: New file.
8447         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
8448         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
8449         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
8450         executables.
8451
8452 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
8453
8454         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
8455         redundant, incorrect definitions.
8456
8457         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
8458         expand.
8459         ("*tls_indirect_call"): New, reference hard regs directly.
8460         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
8461
8462 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
8463
8464         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
8465         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
8466
8467 2005-02-06  Roger Sayle  <roger@eyesopen.com>
8468
8469         PR rtl-optimization/19800
8470         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
8471         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
8472         gen_lowpart.
8473
8474 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
8475
8476         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
8477
8478 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
8479
8480         PR other/17135
8481         * doc/invoke.texi: Correct documentation of -freorder-functions.
8482
8483 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8484
8485         PR other/14402
8486         * doc/invoke.texi: Don't mention gccbug.
8487
8488 2005-02-06  Roger Sayle  <roger@eyesopen.com>
8489             Andrew Pinski  <pinskia@physics.uc.edu>
8490             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
8491
8492         * simplify-rtx.c (simplify_relational_operation_1): Simplify
8493         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
8494         into just (zero_extract:SI FOO (const_int 1) BAR).
8495
8496 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8497
8498         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
8499         macro locally.  Don't give last revision date.  Use GCC version
8500         number from gcc-common.texi.
8501         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
8502         revision date.  Use GCC version number from gcc-common.texi.
8503         Describe being a library as current state rather than as 3.x
8504         history.
8505         * doc/gcc.texi: Remove last update date.
8506         * doc/gccint.texi: Likewise.  Update copyright dates.
8507         * doc/install.texi: Update copyright dates.
8508
8509 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8510
8511         PR other/7549
8512         * doc/invoke.texi: Mention for each option included in -Wall that
8513         it is included in -Wall.
8514         * doc/gcc.texi: Update copyright and last modification date.
8515
8516 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
8517
8518         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
8519         unnecessary cast to original induction variable increments.
8520
8521 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
8522
8523         PR tree-optimization/18219
8524         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
8525         in distributed form.
8526
8527 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
8528
8529         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
8530         Set bitpos and offset later in the function.  Do nothing if the
8531         target is a register and if the bitfield lies completely outside
8532         that register.
8533         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
8534         here.  Return an uninitialised register if the source value is stored
8535         in a register and the bitfield lies completely outside that register.
8536
8537 2005-02-06  Steven Bosscher  <stevenb@suse.de>
8538
8539         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
8540         not SET_DEST.
8541
8542 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
8543
8544         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
8545
8546 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
8547
8548         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
8549         * config/darwin8.h: New.
8550         * config/darwin7.h: Update comment.
8551
8552 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
8553             Dorit Naishlos  <dorit@il.ibm.com>
8554
8555         * tree-vectorizer.h (LOC): New type.
8556         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
8557         (loop_line_number): New field in struct _loop_vec_info.
8558         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
8559
8560         * tree-vectorizer.c (input.h): Included.
8561         (find_loop_location): New function.
8562         (vect_debug_stats): Argument changed from loop to LOC. Computation of
8563         loop line number removed.
8564         (vect_debug_details): Likewise.
8565         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
8566
8567         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
8568         call to vect_debug_details/stats changed from loop to loop_loc.
8569         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8570         (slpeel_tree_peel_loop_to_edge): Likewise.
8571
8572         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
8573         changed from NULL to UNKNOWN_LOC.
8574         (vect_get_base_and_offset):
8575         (vect_create_addr_base_for_vector_ref):
8576         (get_vectype_for_scalar_type):
8577         (vect_create_data_ref_ptr):
8578         (vect_init_vector):
8579         (vect_get_vec_def_for_operand):
8580         (vect_finish_stmt_generation):
8581         (vectorizable_assignment):
8582         (vectorizable_operation):
8583         (vectorizable_store):
8584         (vectorizable_load):
8585         (vect_transform_stmt):
8586         (vect_update_ivs_after_vectorizer):
8587         (vect_do_peeling_for_loop_bound):
8588         (vect_do_peeling_for_alignment):
8589         (vect_transform_loop):
8590         (vect_is_simple_use):
8591         (vect_analyze_operations):
8592         (vect_is_simple_iv_evolution):
8593         (vect_analyze_scalar_cycles):
8594         (vect_analyze_data_ref_dependences):
8595         (vect_compute_data_ref_alignment):
8596         (vect_enhance_data_refs_alignment):
8597         (vect_analyze_data_ref_access):
8598         (vect_analyze_data_ref_accesses):
8599         (vect_analyze_pointer_ref_access):
8600         (vect_get_memtag_and_dr):
8601         (vect_analyze_data_refs):
8602         (vect_mark_relevant):
8603         (vect_stmt_relevant_p):
8604         (vect_mark_stmts_to_be_vectorized):
8605         (vect_can_advance_ivs_p):
8606         (vect_get_loop_niters):
8607         (vect_analyze_loop):
8608         (vectorize_loops): Likewise.
8609
8610         (vectorizable_load): Argument in call to vect_debug_details/stats
8611         changed from loop to LOOP_LOC (loop_vinfo).
8612         (vect_transform_loop):
8613         (vect_analyze_operations):
8614         (vect_analyze_scalar_cycles):
8615         (vect_analyze_data_ref_dependence):
8616         (vect_enhance_data_refs_alignment):
8617         (vect_analyze_data_ref_accesses):
8618         (vect_analyze_pointer_ref_access):
8619         (vect_analyze_data_refs):
8620         (vect_analyze_loop): Likewise.
8621
8622         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
8623         changed from loop to loop_loc.
8624
8625         (vect_enhance_data_refs_alignment): Removed unused variable loop.
8626
8627 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
8628             Dorit Naishlos  <dorit@il.ibm.com>
8629
8630         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
8631         declaration added.
8632         (vect_analyze_data_ref_dependences): Likewise.
8633
8634         (vect_is_simple_use): Argument changed from loop structure to
8635         loop_vect_info structure.
8636         (vect_can_advance_ivs_p): Likewise.
8637         (vect_create_index_for_vector_ref): Likewise.
8638         (vect_update_ivs_after_vectorizer): Likewise.
8639         (new_stmt_vec_info): Likewise.
8640
8641         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
8642         changed from loop to loop_vinfo.
8643         (vect_create_data_ref_ptr): First argument in call to
8644         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
8645         (vectorizable_assignment): Second argument in call to vect_is_simple_use
8646         was changed from loop to loop_vinfo.
8647         (vectorizable_operation): Likewise.
8648         (vectorizable_store): Likewise.
8649         (vect_mark_stmts_to_be_vectorized): Likewise.
8650         (vect_do_peeling_for_loop_bound): First argument in call to
8651         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
8652         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
8653         was changed from loop to loop_vinfo.
8654         (vect_analyze_data_ref_dependences): Third argument in call to
8655         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
8656
8657         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
8658         (vect_create_data_ref_ptr): Likewise.
8659         (vect_init_vector): Likewise.
8660         (vect_get_vec_def_for_operand): Likewise.
8661         (vectorizable_assignment): Likewise.
8662         (vectorizable_operation): Likewise.
8663         (vectorizable_store): Likewise.
8664         (vectorizable_load): Likewise.
8665         (vect_update_ivs_after_vectorizer): Likewise.
8666         (vect_is_simple_use): Likewise.
8667         (vect_analyze_data_ref_dependence): Likewise.
8668         (vect_analyze_pointer_ref_access): Likewise.
8669         (vect_can_advance_ivs_p): Likewise.
8670
8671         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
8672         before _stmt_vec_info.
8673         (_stmt_vec_info): Loop field replaced by loop_vec_info.
8674         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
8675         (new_stmt_vec_info): Argument changed from loop structure to
8676         loop_vect_info structure
8677
8678         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
8679         (vect_analyze_offset_expr): Avoid 80 columns overflow.
8680         (vect_create_addr_base_for_vector_ref): Likewise.
8681         (vect_analyze_pointer_ref_access): Likewise.
8682
8683 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
8684
8685         PR tree-opt/19768
8686         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
8687         phi flag if the phi is abnormal.
8688
8689 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
8690
8691         PR tree-opt/19736
8692         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
8693         information for the new statement.
8694
8695 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
8696
8697         PR driver/19117
8698         * gcc.c (main): Include the target in -v output.
8699
8700 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
8701
8702         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
8703         Do not drop the extend if we'd have to add a paradoxical subreg
8704         later.  Include optabs.h and insn-codes.h.
8705         * Makefile.in (combine.o): Depend on $(OPTABS_H).
8706
8707 2005-02-02  Roger Sayle  <roger@eyesopen.com>
8708
8709         PR middle-end/19405
8710         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
8711         * fold-const.c (const_binop): Avoid constant folding floating
8712         point operations in modes that use composite representations.
8713         * simplify-rtx.c (simplify_binary_operation): Likewise.
8714
8715 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
8716
8717         * config/rs6000/altivec.md (altivec_dst): Make the first operand
8718         a REG, not a MEM.
8719         (altivec_dstt): Likewise.
8720         (altivec_dstst): Likewise.
8721         (altivec_dststt): Likewise.
8722         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
8723         of first operand.
8724
8725 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
8726
8727         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
8728         EXPR_LOCUS from orig_cond to the new cond_stmt.
8729         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
8730         the new vec_stmt.
8731
8732 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
8733
8734         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
8735         standard_iv_increment_position. Remove call to bsi_next
8736         (no need to bump the iterator anymore).
8737         (vect_create_index_for_vector_ref): Call
8738         standard_iv_increment_position. Remove second function argument.
8739         (vect_finish_stmt_generation): Remove call to bsi_next
8740         (no need to bump the iterator anymore).
8741         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
8742         to vect_create_index_for_vector_ref.
8743
8744 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
8745
8746         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
8747         phis are used out of the loop.
8748
8749 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
8750
8751         PR c/17807
8752         * c-decl.c (undef_nested_function): New variable.
8753         (pop_scope): Diagnose undefined nested functions.
8754         (finish_function): Don't attempt cgraph processing or genericizing
8755         if current top-level function contained an undefined nested
8756         function.  Reset undef_nested_function at the end of a top-level
8757         function.
8758
8759 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
8760
8761         * tree.c (build_int_cst_type): Take sign of the value into account
8762         when deciding whether sign extend the value.
8763
8764 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
8765
8766         PR c/18502
8767         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
8768         (cpp_options, cc1_options): Change %{std*&ansi} to
8769         %{std*&ansi&trigraphs}.
8770
8771 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
8772
8773         * cse.c: Update comments.
8774
8775 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
8776
8777         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
8778         arguments go on the stack.  Do not put complex doubles in odd/even
8779         pairs.
8780
8781 2005-02-02  Steven Bosscher  <stevenb@suse.de>
8782
8783         * doc/invoke.texi: Update the options enabled at -O1, -O2,
8784         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
8785         -ftree-pre, and -fthread-jumps.
8786
8787 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
8788
8789         PR tree-optimization/19578
8790         * tree-flow.h (modified_noreturn_calls): Declare.
8791         (noreturn_call_p): Declare.
8792         * tree-flow-inline.h (noreturn_call_p): New function.
8793         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
8794         * tree-cfg.c (modified_noreturn_calls): New variable.
8795         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
8796         that contain a mid-block noreturn call.
8797         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
8798
8799 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
8800
8801         * df.c (df_def_record_1, df_uses_record): Don't use
8802         DF_FOR_REGALLOC.
8803         * df.h (DF_FOR_REGALLOC): Remove.
8804
8805 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
8806
8807         PR c/19435
8808         * c-typeck.c (really_start_incremental_init): Reset
8809         constructor_max_index for arrays of incomplete type.
8810
8811 2005-02-02  Jeff Law  <law@redhat.com>
8812
8813         * gcse.c (struct reg_set): Store the block index where the register
8814         was set rather than the setting insn.
8815         (record_one_set, compute_transp): Corresponding changes.
8816         (pre_insert_copy_insn): Do not call replace_one_set.
8817         (replace_one_set): Remove.
8818
8819 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
8820
8821         PR other/15514
8822         * doc/gcov.texi: Fix typo.
8823
8824 2005-02-01  Richard Henderson  <rth@redhat.com
8825
8826         PR target/19680
8827         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
8828         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
8829         type to bool.
8830         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
8831         * config/i386/i386-protos.h: Update.
8832
8833 2005-02-01  Steven Bosscher  <stevenb@suse.de>
8834
8835         PR tree-optimization/19217
8836         * tree-cfg.c (verify_expr): Use the data field to see if TP was
8837         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
8838         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
8839         that it is walking a PHI node.
8840
8841 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
8842
8843         * doc/extend.texi (Nested Functions): Update.
8844
8845 2005-02-01  Richard Henderson  <rth@redhat.com>
8846
8847         PR 19696
8848         * optabs.c (expand_copysign_absneg): Export.
8849         * optabs.h (expand_copysign_absneg): Declare.
8850         * config/rs6000/rs6000.md (copysigntf3): New.
8851
8852 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
8853
8854         PR tree-optimization/19633
8855         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
8856         * tree-ssa-alias.c (init_alias_info): Initialize.
8857         (merge_pointed_to_info): Set.
8858         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
8859         (dump_points_to_info_for): Show value of pt_null.
8860         (struct count_ptr_d): Declare.
8861         (find_ptr_dereference): Remove.
8862         (ptr_is_dereferenced_by): Remove.
8863         (count_ptr_derefs): New local function.
8864         (count_uses_and_derefs): New local function.
8865         (compute_points_to_and_addr_escape): Call it.  If the number
8866         of dereferences is greater than zero, mark the pointer as
8867         dereferenced.  If there are fewer dereferences than uses of
8868         the pointer, the pointer's value escapes.
8869
8870 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
8871
8872         PR tree-optimization/19670
8873         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
8874         here...
8875         (verify_use): ... set it here, instead.
8876
8877 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
8878
8879         * doc/sourcebuild.texi (Test directives): Fix formatting.
8880
8881         * doc/sourcebuild.texi (Test directives): Describe selector
8882         expressions.
8883
8884 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8885
8886         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
8887         specific 64-bit CPUs.
8888
8889 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
8890
8891         PR target/16201
8892         * arm.c (arm_eliminable_register): New function.
8893         (adjacent_mem_locations): Don't allow eliminable registers.  Use
8894         HOST_WIDE_INT for address offsets.
8895         * arm-protos.h (arm_eliminable_register): Add prototype.
8896
8897 2005-02-01  Steven Bosscher  <stevenb@suse.de>
8898
8899         PR optimization/15242
8900         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
8901         * basic-block.h (duplicate_computed_gotos): Add prototype.
8902         * bb-reorder.c (duplicate_computed_gotos): New function to
8903         duplicate sufficiently small blocks ending in a computed jump.
8904         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
8905         if not optimizing for size.
8906         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
8907         never do tail merging for blocks ending in a computed jump.
8908         * doc/invoke.texi: Document the max-goto-duplication-insns param.
8909
8910 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
8911
8912         Patch from Richard Sandiford <rsandifo@redhat.com>
8913         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
8914         from inheriting a subreg equivalence with a non-spill register.
8915
8916         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
8917
8918 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
8919
8920         * config/frv/frv.c (movcc_fp_destination_operand): New.
8921         (gpr_or_memory_operand): Fix typo in comment.
8922         (gpr_or_memory_operand_with_scratch): New.
8923         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
8924         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
8925         movcc_fp_destination_operand.
8926         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
8927         Legitimize memory addresses using a scratch register.
8928
8929 2005-01-31  Jeff Law  <law@redhat.com>
8930
8931         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
8932         bitmap a sparse bitmap instead of a simple bitmap.
8933         (mark_def_sites_initialize_block):  Corresponding changes.
8934         (ssa_mark_def_sites_initialize_block): Likewise.
8935         (ssa_mark_phi_uses): Likewise.
8936         (mark_def_site, ssa_mark_def_sites): Likewise.
8937         (mark_def_site_blocks): Likewise.
8938         (rewrite_ssa_into_ssa): Likewise.
8939
8940         * tree-ssa-dom.c (record_cond): Pass correct variable type
8941         for last argument to htab_find_slot_with_hash.
8942
8943         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
8944         effects when optimizing 0 % X.  Do not try to optimize X % 0.
8945
8946 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
8947
8948         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
8949         1_mmalua.
8950
8951 2005-02-01  Eric Christopher  <echristo@redhat.com>
8952
8953         * config/mips/mips.c (override_options): Warn if -mint64
8954         is used.
8955         * doc/invoke.texi (MIPS Options): Document that -mint64 is
8956         deprecated.
8957
8958 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
8959
8960         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
8961         timestamp.
8962         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
8963         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
8964         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
8965         (cached_regno): Initialize to INVALID_REGNUM.
8966         (cse_reg_info_table_size,
8967         cse_reg_info_table_first_uninitialized,
8968         cse_reg_info_timestamp): New.
8969         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
8970         get_cse_reg_info.
8971         (init_cse_reg_info, get_cse_reg_info_1): New.
8972         (get_cse_reg_info): Cache the last look-up.
8973         (new_basic_block): Update the code to clear mappings from
8974         registers to cse_reg_info entries.
8975         (cse_main): Call init_cse_reg_info.
8976
8977         * cse.c (get_cse_reg_info): Update a comment.
8978
8979 2005-01-31  Steven Bosscher  <stevenb@suse.de>
8980
8981         PR c/19333
8982         * c-decl.c (start_decl): Do not warn about arrays of elements with
8983         an incomplete type here.
8984         (grokdeclarator): Do it here by making a pedwarn an error.
8985         * c-typeck.c (push_init_level): If there were previous errors with
8986         the constructor type, do not warn about braces for initializers.
8987         (process_init_element): Likewise for excess initializer elements.
8988
8989 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
8990
8991         * cse.c (delete_trivially_dead_insn): Don't iterate.
8992
8993 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
8994
8995         * config/rs6000/rs6000.md (copysignsf3): New expand.
8996         (copysigndf3): Likewise.
8997
8998 2005-01-31  Steven Bosscher  <stevenb@suse.de>
8999
9000         * recog.c (constrain_operands): Only look for earlyclobber operand
9001         conflicts if an '&' constraint was seen.
9002
9003 2005-01-31  Marc Espie <espie@openbsd.org>
9004
9005         * config.gcc: Don't include embedded systems fragment, switches default
9006         debugging format to ELF.
9007         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
9008         longer pick it up there.
9009
9010 2005-01-31  Dale Johannesen  <dalej@apple.com>
9011
9012         * doc/extend.texi (nested functions): Fix linkage description.
9013         Clarify that static is not allowed.
9014
9015 2005-01-31  Dale Johannesen  <dalej@apple.com>
9016
9017         * config/rs6000/darwin.md (movsf_low_di):  Make work.
9018         (movdf_low_di):  Make work.
9019
9020 2005-01-31  Dale Johannesen  <dalej@apple.com>
9021
9022         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
9023         Make work for 64 bit.
9024
9025 2005-01-31  Roger Sayle  <roger@eyesopen.com>
9026             Dale Johannesen  <dalej@apple.com>
9027
9028         PR middle-end/19650
9029         * fold-const.c (fold_binary_op_with_conditional_arg):
9030         Make types match original operands, before STRIP_NOPS.
9031
9032 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
9033
9034         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
9035         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
9036         (struct gcc_sigcontext): Delete.  Merge contents to..
9037         (struct gcc_ucontext): ..here.
9038         (get_sigcontext): Delete.
9039         (get_regs): New function, like get_sigcontext but return regs ptr.
9040         64-bit version finds regs from r1 to support vdso.
9041         (ppc_linux_aux_vector): New function.
9042         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
9043         and vector regs.
9044
9045 2005-01-31  Ira Rosen  <irar@il.ibm.com>
9046
9047         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
9048         sizetype.
9049         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
9050         redundant fold. Fix misalignment for MINUS_EXPR.
9051         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
9052         (vect_analyze_pointer_ref_access): Likewise.
9053         (vect_get_memtag_and_dr): Likewise.
9054
9055 2005-01-31  Richard Henderson  <rth@redhat.com>
9056
9057         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
9058         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
9059         absnegdf2_i387, absnegxf2_i387): Likewise.
9060
9061 2005-01-31  Richard Henderson  <rth@redhat.com>
9062
9063         PR 19696
9064         * optabs.c (expand_copysign_absneg): New.
9065         (expand_copysign_bit): Split out from ...
9066         (expand_copysign): ... here.  Use expand_copysign_absneg.
9067
9068 2005-01-30  Roger Sayle  <roger@eyesopen.com>
9069
9070         PR middle-end/19697
9071         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
9072         constant as the second operand and a register as the third.
9073
9074 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
9075
9076         PR target/19704
9077         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
9078         that dllimport'd functions do not use all call-clobbered registers
9079         to pass parameters.
9080
9081 2005-01-30  Richard Henderson  <rth@redhat.com>
9082
9083         PR 19696
9084         * optabs.c (expand_absneg_bit): Split out from expand_unop and
9085         expand_abs_nojump and generalize.  Use operand_subword and
9086         emit_no_conflict_block.  Support large modes.
9087         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
9088         back to maximum.
9089         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
9090         negation to subtraction.
9091         (expand_copysign): Check that the format has signed zeros.
9092         Use operand_subword and emit_no_conflict_block.  Support large modes.
9093
9094 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
9095
9096         Fix PR tree-optimization/19624
9097
9098         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
9099         * tree-ssa-pre.c: Add cfgloop.h.
9100         Update comment.
9101         (pre_stats): New member, constified.
9102         (inserted_exprs): New static variable.
9103         (NECESSARY): New macro.
9104         (create_expression_by_pieces): Fold the expression, and
9105         mark it as defaulting to not necessary. Also put in
9106         inserted_exprs.
9107         (fully_constant_expression): New function.
9108         (insert_into_preds_of_block): Modify to not insert phis when we
9109         are playing with induction variables.
9110         Push phis onto the inserted_exprs vector, and mark them as not
9111         necessary by default.
9112         (insert_aux): Call fully_constant_expression on eprime.
9113         If all edges produce the same value, mark it constant.
9114         (mark_operand_necessary): New function.
9115         (remove_dead_inserted_code): New function.
9116         (init_pre): Init loop optimizer to get loop info.
9117         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
9118         (execute_pre): Commit edge inserts, then remove dead code.
9119
9120 2005-01-30  Richard Henderson  <rth@redhat.com>
9121
9122         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
9123         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
9124
9125 2005-01-30  Richard Henderson  <rth@redhat.com>
9126
9127         PR target/19700
9128         * config/i386/i386.c (ix86_expand_copysign): New.
9129         (ix86_split_copysign_const): New.
9130         (ix86_split_copysign_var): Rename from ix86_split_copysign,
9131         rearrange op1/nmask operands.
9132         * config/i386/i386-protos.h: Update.
9133         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
9134         (copysigndf3): Likewise.
9135         (copysignsf3_const, copysigndf3_const): New.
9136         (copysignsf3_var): Rename from copysignsf3, split out splitter
9137         and fix split predicate for X constraint.
9138         (copysigndf3_var): Similarly.
9139
9140 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
9141
9142         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
9143         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
9144         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
9145
9146 2005-01-29  Richard Henderson  <rth@redhat.com>
9147
9148         PR target/19690
9149         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
9150         of # and * in constraints.
9151
9152 2005-01-29  Richard Henderson  <rth@redhat.com>
9153
9154         PR middle-end/19689
9155         * expr.c (store_field): Don't strip sub-mode cast when the input
9156         data is even smaller.
9157
9158 2005-01-29  Richard Henderson  <rth@redhat.com>
9159
9160         PR middle-end/19687
9161         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
9162         union being empty.
9163
9164 2005-01-29  Richard Henderson  <rth@redhat.com>
9165
9166         * combine.c (make_field_assignment): Fix argument order
9167         to gen_int_mode.
9168
9169 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
9170
9171         PR tree-optimization/15791
9172         * fold-const.c (extract_array_ref): New function.
9173         (fold): Fold comparisons between &a[i] and &a[j] or
9174         semantically equivalent trees.
9175
9176 2005-01-29  Jeff Law  <law@redhat.com>
9177
9178         * gcse.c (insert_expr_in_table): Revamp handling of available
9179         and anticipatable occurrence lists to avoid unnecessary list
9180         walking.
9181         (insert_set_in_table): Similarly.
9182
9183 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
9184
9185         * c-common.c (fix_string_type): Just use c_build_qualified_type to
9186         build string type.
9187         (c_build_qualified_type): Build qualified array types with
9188         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
9189         * c-decl.c (c_make_fname_decl): Build unqualified array type
9190         before qualified type.
9191         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
9192         type is qualified, not just if type itself is.  Don't apply
9193         qualifiers to array type when declarator is processed.  Apply
9194         qualifiers to field type whether or not it is an array type.
9195         Don't handle array types specially for applying qualifiers to
9196         variables.
9197         * c-typeck.c (composite_type): Build unqualified element type and
9198         array type when forming composite of array types.
9199         (common_pointer_type, comptypes, comp_target_types,
9200         type_lists_compatible_p, build_indirect_ref, build_array_ref,
9201         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
9202         types.
9203         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
9204         (args2) in variables a1 and a2.
9205
9206 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
9207
9208         * cse.c (n_elements_made, max_elements_made): Remove.
9209         (insert): Don't touch n_elements_made.
9210         (cse_main): Don't touch n_elements_made or max_elements_made.
9211
9212 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
9213
9214         PR target/15384
9215         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
9216         configuration part of dp-bit.c to be lost.
9217
9218 2005-01-28  Roger Sayle  <roger@eyesopen.com>
9219
9220         * expmed.c (expand_mult_highpart_optab): When attempting to use
9221         a non-widening multiplication in a wider mode, the operands need
9222         to be converted (zero or sign extended) to that mode.
9223
9224 2005-01-28  Ian Lance Taylor  <ian@airs.com>
9225
9226         PR middle-end/16558
9227         PR middle-end/19583
9228         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
9229         through if both operands fall through.
9230
9231 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9232
9233         * cse.c (fold_rtx) <PC>: Don't optimize.
9234
9235 2005-01-28  Jeff Law  <law@redhat.com>
9236
9237         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
9238         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
9239
9240 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9241
9242         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
9243         cse_reg_info_used_list_end): Remove.
9244         (cse_reg_info_list, cse_reg_info_list_free): New.
9245         (get_cse_reg_info): When allocating an instance of
9246         cse_reg_info, add it to the beginning of the cse_reg_info_list
9247         list.  Remove code to maintain cse_reg_info_used_list.
9248         (new_basic_block): Reset the free list to the beginning of
9249         cse_reg_info_list.
9250
9251 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
9252
9253         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
9254         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
9255         (frv_expand_mdpackh_builtin): New function.
9256         (frv_expand_builtin): Use it to expand __MDPACKH.
9257         * doc/extend.texi (__MDPACKH): Update documentation.
9258
9259 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
9260
9261         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
9262         SSE_FLOAT_MODE_P for use_sse computation.
9263
9264 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
9265
9266         PR target/19663
9267         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
9268
9269 2005-01-27  Richard Henderson  <rth@redhat.com>
9270
9271         * builtins.c (expand_builtin_copysign): New.
9272         (expand_builtin): Call it.
9273         * genopinit.c (optabs): Add copysign_optab.
9274         * optabs.c (init_optabs): Initialize it.
9275         (expand_copysign): New.
9276         * optabs.h (OTI_copysign, copysign_optab): New.
9277         (expand_copysign): Declare.
9278
9279         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
9280         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
9281
9282         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
9283         (ix86_expand_fp_absneg_operator): ... here.
9284         (ix86_split_copysign): New.
9285         * config/i386/i386-protos.h: Update.
9286         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
9287         (copysignsf3, copysigndf3): New.
9288
9289         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
9290         (copysignsf3, ncopysignsf3): New.
9291         (copysigndf3, ncopysigndf3): New.
9292         (copysignxf3, ncopysignxf3): New.
9293         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
9294
9295 2005-01-27  Arend Bayer  <arend.bayer@web.de>
9296             Kazu Hirata  <kazu@cs.umass.edu>
9297
9298         * cse.c: (find_best_addr): Don't call copy_rtx before calling
9299         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
9300         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
9301         NULL_RTX.
9302
9303 2005-01-27  Jeff Law  <law@redhat.com>
9304
9305         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
9306         definitions of SSA_NAMEs which are not being rewritten.
9307         (rewrite_ssa_into_ssa): Only initialize the current definition
9308         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
9309         If checking is enabled, assert that SSA_NAME_AUX is clear for all
9310         SSA_NAMEs before returning.
9311
9312 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
9313
9314         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
9315         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
9316         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
9317         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
9318         config/mips/iris6.h, config/sh/sh.c: Update copyright.
9319
9320 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9321
9322         PR middle-end/17278
9323         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
9324         higher to -O2 and higher.  Likewise for tree PRE.
9325         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
9326         and better.
9327
9328 2005-01-27  Ian Lance Taylor  <ian@airs.com>
9329
9330         PR middle-end/19583
9331         * gimple-low.c (try_catch_may_fallthru): New static function.
9332         (block_may_fallthru): Handle TRY_CATCH_EXPR.
9333         * tree-inline.c (expand_call_inline): Don't warn about reaching
9334         the end of a non-void function being inlined if the function uses
9335         a return slot.
9336
9337 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
9338
9339         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
9340
9341         PR c/18946
9342         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
9343         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
9344         (implicitly_declare): Handle error_mark_node.
9345
9346 2005-01-27  Richard Henderson  <rth@redhat.com>
9347
9348         PR tree-opt/14329
9349         * tree.h (struct tree_decl): Add debug_expr_is_from.
9350         (DECL_DEBUG_EXPR_IS_FROM): New.
9351         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
9352         * dwarf2out.c (dwarf2out_var_location): Update to match.
9353         * tree-outof-ssa.c (create_temp): Likewise.
9354         * var-tracking.c (track_expr_p): Likewise.
9355         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
9356         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
9357         * toplev.c (default_tree_printer): Likewise.
9358
9359 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
9360
9361         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
9362         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
9363
9364 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9365
9366         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
9367         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
9368         ASM_CLOBBERS): Add tree checks.
9369
9370         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
9371         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
9372         * c-common.def (SWITCH_STMT): Update to match.
9373         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
9374         macros instead of SWITCH_EXPR ones.
9375         * c-dump.c (c_dump_tree): Likewise.
9376         * c-gimplify.c (gimplify_switch_stmt): Likewise.
9377         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
9378
9379         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
9380
9381 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
9382
9383         * unwind-dw2.c (execute_stack_op): Add missing cases for
9384         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
9385
9386 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
9387
9388         * config.gcc (Obsolete configurations): Remove 'dummy', add
9389         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
9390         sparc-*-openbsd*.
9391
9392 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
9393
9394         PR tree-optimization/19633
9395         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
9396         CALL_EXPRs.
9397         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
9398         are no call-clobbered variables.
9399         * tree-outof-ssa.c (check_replaceable): Return false for calls
9400         with side-effects.
9401
9402 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
9403
9404         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
9405         even for variables with NULL DECL_INITIAL.
9406
9407 2005-01-26  Stuart Hastings  <stuart@apple.com>
9408
9409         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
9410
9411 2005-01-26  Richard Henderson  <rth@redhat.com>
9412
9413         PR middle-end/18008
9414         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9415         field's type.
9416         * expr.c (store_field): Strip conversions to odd-bit-sized types
9417         if the destination field width matches.
9418
9419 2005-01-26  Richard Henderson  <rth@redhat.com>
9420
9421         * c-decl.c, expmed.c, expr.c: Revert last change.
9422
9423 2005-01-26  Richard Henderson  <rth@redhat.com>
9424
9425         PR middle-end/18008
9426         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9427         field's type.
9428         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
9429         if we don't need the bits above those present in the current mode.
9430         * expr.c (store_field): Strip conversions to odd-bit-sized types
9431         if the destination field width matches.
9432
9433 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
9434
9435         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
9436         either -ffast-math or -funsafe-math-optimizations is in use.
9437
9438 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
9439
9440         PR target/19293
9441         PR target/19329
9442         * config/avr/avr.c (notice_update_cc): Only set condition code for
9443         ashrqi3 if shift count > 0.
9444         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
9445         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
9446         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
9447         count <= 0 as a no-op, and shift count >= width by copying zero
9448         or sign bit to all bits of the result.
9449         * config/avr/avr.md (all shifts): Add alternatives for zero shift
9450         count, with attribute "length" set to 0 and "cc" set to "none".
9451
9452 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
9453
9454         * doc/invoke.texi: Document -mTLS.
9455
9456         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
9457         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
9458         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
9459         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
9460         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
9461         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
9462         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
9463         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
9464
9465         * configure.ac: Check for a TLS capable gas.
9466
9467         * configure: Regenerate.
9468
9469 2005-01-26  Richard Henderson  <rth@redhat.com>
9470
9471         PR middle-end/18008
9472         * combine.c (make_field_assignment): Simplify store to zero_extract
9473         from a source with an overlapping mask.
9474
9475 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
9476
9477         2004-11-11  Eric Christopher  <echristo@redhat.com>
9478
9479         * config/frv/frv.md: Add fr400_integer automaton. Don't
9480         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
9481         to TYPE_MACC.
9482
9483 2005-01-26  Steven Bosscher  <stevenb@suse.de>
9484
9485         PR middle-end/16585
9486         * cfgbuild.c (make_edges): Do not clear or set
9487         current_function_has_computed_jump.
9488         * function.h (struct function): Remove the has_computed_jump field.
9489         (current_function_has_computed_jump): Do not define.
9490         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
9491         in a computed jump.  Ignore current_function_has_computed_jump.
9492
9493 2005-01-26  Richard Henderson  <rth@redhat.com>
9494
9495         PR middle-end/19515
9496         * expr.c (categorize_ctor_elements): New argument p_must_clear.
9497         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
9498         fully initialized.
9499         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
9500         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
9501         objects into static storage if they have more than one non-zero value.
9502         * tree.h (categorize_ctor_elements): Update decl.
9503
9504 2005-01-26  Steven Bosscher  <stevenb@suse.de>
9505
9506         PR middle-end/19616
9507         * tree.h (CALL_EXPR_TAILCALL): Add comment.
9508         * calls.c (check_sibcall_argument_overlap_1): Revert the change
9509         to this function from 2004-07-10.
9510         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
9511         the current function for tail call optimizations if the address
9512         of one of it its arguments is taken.
9513
9514 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
9515
9516         * cse.c (fold_rtx): Call equiv_constant only when necessary.
9517
9518 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
9519
9520         * function.c (expand_function_end): If current_function_calls_alloca,
9521         emit stack restore in a place that is reached when the function falls
9522         through at the end.
9523
9524 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
9525
9526         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
9527         rule to avoid matching inappropriate suffix rule.
9528
9529 2005-01-26  Jan Hubicka  <jh@suse.cz>
9530
9531         PR tree-optimization/19241
9532         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
9533
9534 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
9535
9536         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
9537         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
9538         of doubling.
9539         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
9540         <sim*>: Always use crt1.o, regardless of N in simN.
9541         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
9542         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
9543         (CRT_CALL_STATIC_FUNCTION): Remove.
9544         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
9545         use crt1.o, regardless of N in simN.
9546         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
9547         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
9548         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
9549         case isystem setting.
9550         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
9551
9552 2005-01-25  Ian Lance Taylor  <ian@airs.com>
9553
9554         * gimple-low.c (block_may_fallthru): Correct handling of
9555         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
9556
9557 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
9558
9559         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
9560         handlers to match indentation; nested under the mtune=* handler.
9561         Similar for mcpu= and march=.
9562
9563 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
9564
9565         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
9566         * config/mips/linux64.h (LIB_SPEC): Likewise.
9567         * config/mn10300/linux.h (LIB_SPEC): Likewise.
9568         * config/sh/linux.h (LIB_SPEC): Likewise.
9569
9570 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
9571
9572         * config/frv/frv.c (frv_legitimize_tls_address): New.
9573         (TARGET_HAVE_TLS): Define.
9574         (FRV_SYMBOL_REF_TLS_P): Define.
9575         (frv_override_options): Handle new register classes.
9576         (frv_legitimate_address_p): Reject tls addresses.
9577         (frv_legitimize_address): Handle TLS addresses.
9578         (gen_inlined_tls_plt): New.
9579         (gen_tlsmoff): New.
9580         (frv_legitimize_tls_address): New.
9581         (unspec_got_name): Add TLS entries.
9582         (got12_operand): Add R_FRV_TLSMOFF12 case.
9583         (frv_emit_move): Fixup TLS addresses.
9584         (frv_emit_movsi): Legitimize TLS addresses.
9585
9586         * config/frv/frv.h (MASK_BIG_TLS): New.
9587         (TARGET_BIG_TLS): New.
9588         (HAVE_AS_TLS): Define.
9589         (TARGET_SWITCHES): Add -mTLS and -mtls options.
9590         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
9591         (REG_CLASS_NAMES): Same.
9592         (REG_CLASS_CONTENTS): Same.
9593         (CONSTRAINT_LEN): New.
9594         (REG_CLASS_FROM_CONSTRAINT): New.
9595         (PREDICATE_CODES): Add symbolic_operand.
9596
9597         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
9598         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
9599         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
9600         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
9601         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
9602         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
9603         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
9604         GR9_REG, GR14_REG, LRREG.
9605         (type): Add load_or_call attribute.
9606         ("load_or_call"): New reservation.
9607         ("call_gettlsoff"): New.
9608         ("tls_indirect_call"): New.
9609         ("tls_load_gottlsoff12"): New.
9610         ("tlsoff_hilo"): New.
9611         ("tls_tlsdesc_ldd"): New.
9612         ("tls_tlsoff_ld"): New.
9613         ("tls_lddi"): New.
9614
9615         * config/frv/frv-protos.h (symbolic_operand): Protoize.
9616
9617         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
9618
9619         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
9620         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
9621         * config/frv/frv.c (TLS_BIAS): Define.
9622         (frv_output_dwarf_dtprel): New.
9623
9624 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
9625
9626         PR rtl-optimization/19579
9627         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
9628         both A and B, see if they don't clobber registers the other expr uses.
9629
9630 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
9631
9632         * real.c (do_add): Initialize signalling and canonical members.
9633
9634         * real.c (real_from_integer): Zero out destination.
9635
9636 2005-01-18  Jan Hubicka  <jh@suse.cz>
9637
9638         PR tree-optimize/19337
9639         * tree-inline.c (initialize_inlined_parameters): Copy
9640         saved_static_chain_decl only.
9641
9642 2005-01-25  Richard Henderson  <rth@redhat.com>
9643
9644         PR target/19556
9645         PR target/19584
9646         * config/i386/i386.c (x86_inter_unit_moves): Zero.
9647         (ix86_preferred_reload_class): Rewrite fp-constant section, with
9648         80387 enabled, to return a proper subclass.  Return the subset that
9649         overlaps with GENERAL_REGS for PLUS.
9650         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
9651
9652 2005-01-25  Richard Henderson  <rth@redhat.com>
9653
9654         PR middle-end/19609
9655         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
9656
9657 2005-01-25  Roger Sayle  <roger@eyesopen.com>
9658
9659         * expmed.c (choose_multiplier): Change interface to return the
9660         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
9661         (expand_divmod): Update calls to choose_multiplier.
9662
9663 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9664
9665         PR middle-end/19330
9666         * expmed.c (extract_bit_field): Use adjust_address instead of
9667         gen_lowpart when op0 is a MEM.
9668
9669 2005-01-24  Steven Bosscher  <stevenb@suse.de>
9670
9671         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
9672
9673 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
9674
9675         * config/mips/irix-csr.c: New file.
9676         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
9677         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
9678         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
9679         executables.
9680
9681 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
9682
9683         PR bootstrap/19364
9684         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
9685         sparc/elf.h, add sparc/sp-elf.h.
9686         (sparc-*-rtems*): Likewise.
9687         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
9688         tm-dwarf2.h, add sparc/sp-elf.h.
9689         (sparc86x-*-elf): Likewise.
9690         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
9691         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
9692         TARGET_OS_CPP_BUILTINS.
9693         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
9694         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
9695         Undefine it.
9696         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
9697         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
9698         (SWITCH_TAKES_ARG): Likewise.
9699         (LOCAL_LABEL_PREFIX): Likewise.
9700         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
9701         (TARGET_N_FORMAT_TYPES): Delete.
9702         (TARGET_FORMAT_TYPES): Likewise.
9703         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
9704         * config/sparc/elf.h: Delete.
9705         * config/sparc/sp-elf.h: New file.
9706
9707 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
9708
9709         * tree-flow-inline.h (phi_arg_from_edge): Remove.
9710         * tree-flow.h: Remove the corresponding prototype.
9711         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
9712         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
9713
9714 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
9715
9716         PR target/17751
9717         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
9718         for AIX ABI or ELF -fPIC.
9719         (rs6000_emit_load_toc_table): Don't create toc_section here.
9720         (rs6000_xcoff_file_start): Nor here.
9721
9722 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
9723
9724         * sh.c (ra.h): Don't #include.
9725         (hard_regs_intersect_p): New function, resurrected from ra.c.
9726
9727         * sh.c: Fix 1996 Copyright.
9728
9729 2005-01-24  Richard Henderson  <rth@redhat.com>
9730             Aldy Hernandez  <aldyh@redhat.com>
9731
9732         * regrename.c (note_sets): Handle subregs.
9733
9734 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
9735
9736         PR bootstrap/18058
9737         * genconditions.c (write_header, write_conditions): Elide file if
9738         not GCC >= 3.0.1.
9739
9740 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
9741
9742         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
9743         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
9744         Update copyright.
9745
9746 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
9747
9748         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
9749         expand_builtin_printf, expand_builtin_fprintf,
9750         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
9751         checking against POINTER_TYPE.
9752         (validate_arglist): Handle POINTER_TYPE code by checking
9753         POINTER_TYPE_P.
9754
9755 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
9756
9757         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
9758         init_rtlanal): New.
9759         (for_each_rtx): Call for_each_rtx_1.
9760         * rtl.h (init_rtlanal): Declare.
9761         * toplev.c (backend_init): Call init_rtlanal.
9762
9763 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
9764
9765         * flow.c (propagate_one_insn): Formatting.
9766
9767         PR middle-end/19551
9768         * flow.c (libcall_dead_p): Be more conservative if unsure.
9769         If there are any instructions between insn and call, see if they are
9770         all dead before saying the libcall is dead.
9771
9772 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
9773
9774         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
9775         operand constraint for operand 0.
9776
9777 2005-01-23  Richard Henderson  <rth@redhat.com>
9778
9779         PR 19486
9780         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
9781         edges leading to join block.
9782
9783 2005-01-23  Roger Sayle  <roger@eyesopen.com>
9784
9785         * expmed.c (expand_mult_highpart): Make static.  Change type of
9786         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
9787         (expand_divmod): Updates calls to expand_mult_highpart by using
9788         gen_int_mode to pass a CONST_INT rtx.
9789         * rtl.h (expand_mult_highpart): Remove prototype.
9790
9791 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
9792
9793         * flow.c (regset_bytes, regset_size): Remove.
9794
9795         * cfganal.c: Fix a reference to Harvey's paper.
9796
9797 2005-01-23  Steven Bosscher  <stevenb@suse.de>
9798
9799         PR rtl-optimization/19464
9800         * tree-optimize.c (init_tree_optimization_passes): Add one more
9801         copyrename pass just before out-of-ssa.
9802
9803 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
9804
9805         PR bootstrap/18058
9806         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
9807         * ggc-none.c (ggc_free): Define.
9808
9809 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
9810
9811         * cse.c (max_reg, max_insn_uid): Remove.
9812         (cse_main): Don't access max_reg or max_insn_uid.
9813
9814         * c-common.c (explicit_flag_signed_bitfields,
9815         lang_statement_code_p, lang_expand_function_end): Remove.
9816         * c-common.h: Remove the corresponding declarations.
9817         * c-opts.c (c_common_handle_option): Remove all write access
9818         to explicit_flag_signed_bitfields.
9819
9820         * cgraph.c (cgraph_varpool_n_nodes): Remove.
9821         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
9822         * cgraph.h: Remove the corresponding declaration.
9823
9824         * gcse.c (null_pointer_info): Remove.
9825
9826 2005-01-23  Roger Sayle  <roger@eyesopen.com>
9827             Eric Botcazou  <ebotcazou@libertysurf.fr>
9828
9829         * combine.c (simplify_logical): Only simplify logical expressions
9830         of the form ior(and(x,y),z) by the inverse distributive law if the
9831         result is cheaper than the original.
9832
9833 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
9834
9835         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
9836         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
9837         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
9838         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
9839         config/freebsd-spec.h, config/arm/arm.h,
9840         config/h8300/h8300.md, config/i386/i386.md,
9841         config/i386/predicates.md, config/i386/sse.md,
9842         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
9843         config/vax/vax.md: Fix comment typos.  Follow spelling
9844         conventions.
9845
9846 2005-01-23  Steven Bosscher  <stevenb@suse.de>
9847
9848         * gengtype.c (walk_type): Produce `not equal to' compares for loop
9849         tests, instead of `less than'.
9850
9851 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
9852
9853         * function.c (assign_parm_setup_block): When creating a new stack slot
9854         for a parameter, get its alignment from the parameter's DECL_ALIGN
9855         rather than the type's TYPE_ALIGN.  Make sure that the parameter
9856         is at least word aligned.
9857
9858 2005-01-22  Roger Sayle  <roger@eyesopen.com>
9859
9860         PR middle-end/19378
9861         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
9862
9863 2005-01-22  Richard Henderson  <rth@redhat.com>
9864
9865         PR target/19506
9866         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
9867         in both compare operands.
9868         (movdfcc_1_sse_max): Likewise.
9869         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
9870         (movdfcc_1_sse): Likewise.
9871         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
9872         scratch register as needed.
9873
9874 2005-01-22  Richard Henderson  <rth@redhat.com>
9875
9876         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
9877
9878         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
9879
9880 2005-01-22  Richard Henderson  <rth@redhat.com>
9881
9882         * genopinit.c (optabs): Use smin/smax for floating point too.
9883         * doc/md.texi: Update to match.  Clarify that floating point
9884         results are undefined for +0/-0 and NaN.
9885         * doc/rtl.texi: Likewise.
9886         * rtl.def (SMIN, SMAX): Likewise
9887         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
9888
9889         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
9890         leading 's' to the name.
9891         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
9892         smaxxf3, sminxf3): Likewise.
9893         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
9894         Likewise.
9895
9896 2005-01-22  Paul Brook  <paul@codesourcery.com>
9897
9898         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
9899
9900 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
9901
9902         * config/s390/s390.c (struct processor_costs): New fields
9903         dlgr, dlr, dr, dsgfr, dsgr.
9904         (z900_cost, z990_cost): Values for new fields.
9905         (s390_rtx_costs): New cases MEM und COMPARE in switch
9906         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
9907         DIV, MOD, UDIV, UMOD.
9908
9909 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
9910
9911         * config/s390/s390.md ("doloop_si64"): Reload input value directly
9912         into the register being decremented.
9913         ("doloop_si31", "doloop_di"): Likewise.
9914         ("*doloop_si_long"): Adapt pattern.
9915
9916 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
9917
9918         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
9919         access registers.
9920         (CLASS_MAX_NREGS): Likewise.
9921
9922 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
9923
9924         * doc/tree-ssa.texi (Statement Operands): Add example for new
9925         must-def macro. Note deprecation of old operands interface.
9926
9927 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
9928
9929         PR tree-optimization/19484
9930         * tree-cfg.c (remove_fallthru_edge): New function.
9931         (cleanup_control_flow): Remove fallthru edges from calls that are
9932         now known not to return.
9933
9934 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
9935
9936         Fix PR tree-optimization/19038
9937         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
9938         copies with loop variant ones.
9939
9940 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
9941
9942         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
9943         config/alpha/alpha-protos.h, config/alpha/alpha.h,
9944         config/alpha/alpha.md, config/alpha/predicates.md,
9945         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
9946         config/sparc/sol2.h: Update copyright.
9947
9948         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
9949         first label to see if it is a nonlocal label.
9950
9951 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
9952             Andrew Pinski  <pinskia@physics.uc.edu>
9953
9954         PR target/19491
9955         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
9956         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
9957
9958 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
9959
9960         * config/rs6000/rtems.h: Update copyright.
9961
9962 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
9963
9964         PR target/19548
9965         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
9966         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
9967         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
9968
9969 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9970
9971         PR c/18809
9972         * c-typeck.c (convert_arguments): Check for error_mark_node.
9973
9974 2005-01-21  Ian Lance Taylor  <ian@airs.com>
9975
9976         PR tree-optimization/13000
9977         * tree-inline.c: Include "tree-flow.h".
9978         (expand_call_inline): If warn_return_type, warn if non-void inline
9979         function falls through.
9980         * tree-cfg.c (execute_warn_function_return): Don't warn about
9981         control reaching end if TREE_NO_WARNING is set.  Set
9982         TREE_NO_WARNING.
9983         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
9984         has been lowered.
9985         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
9986         branch if we don't need one.
9987         * c-typeck.c: Include "tree-flow.h"
9988         (c_finish_bc_stmt): Don't add a goto if the current statement
9989         list doesn't fall through to the current point.
9990
9991 2005-01-21  Roger Sayle  <roger@eyesopen.com>
9992
9993         PR rtl-optimization/576
9994         * real.c (real_arithmetic): Change return type from void to bool
9995         to return an indication that the result may be inexact.
9996         * real.h (real_arithmeric): Update prototype.
9997         * fold-const.c (const_binop):  Don't constant fold floating
9998         point expressions when the user specifies -frounding-math and
9999         the result may depend upon the run-time rounding mode.
10000         (fold_convert_const_real_from_real): Clean-up.
10001         (fold_initializer): Ignore flag_rounding_math for initializers.
10002         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
10003         constant fold FP operations with flag_rounding_math if the
10004         result may depend upon the run-time rounding mode.
10005
10006 2005-01-21  Tom Tromey  <tromey@redhat.com>
10007
10008         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
10009
10010 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
10011
10012         * tree-cfg.c: Fix comment typos.
10013
10014 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
10015
10016         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
10017         around the call to rest_of_handle_branch_target_load_optimize.
10018
10019 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10020
10021         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
10022         (sparc64-*-openbsd*): Likewise.
10023         (sparclite-*-elf*): Include tm-dwarf2.h.
10024         (sparc86x-*-elf*): Likewise.
10025         (sparc64-*-elf*): Likewise.
10026         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
10027         (DBX_DEBUGGING_INFO): Likewise.
10028         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
10029         (PREFERRED_DEBUGGING_TYPE): Likewise.
10030         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
10031         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
10032         (PREFERRED_DEBUGGING_TYPE): Likewise.
10033         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
10034         (PREFERRED_DEBUGGING_TYPE): Likewise.
10035         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
10036
10037 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
10038
10039         PR target/18701
10040         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
10041
10042 2005-01-20  Paul Brook  <paul@codesourcery.com>
10043
10044         * doc/rtl.texi: Document value extension requirements for CONST_INT.
10045
10046 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10047
10048         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
10049         label is first in a sequence of labels.
10050
10051         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
10052
10053 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
10054             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
10055
10056         * doc/sourcebuild.texi (Test Directives): New.
10057
10058 2005-01-20  Roger Sayle  <roger@eyesopen.com>
10059
10060         * real.c (real_floor): Don't leave the result uninitialized when
10061         mode is VOIDMode, but return the unrounded intermediate value.
10062         (real_ceil): Likewise.
10063
10064 2005-01-20  Paul Brook  <paul@codesourcery.com>
10065
10066         * config/arm/arm.md (insv): Use gen_int_mode.
10067
10068 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
10069
10070         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
10071         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10072         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10073         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10074         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10075
10076 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10077
10078         Fix PR debug/19124
10079         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
10080         fbreg, so we have to assume we can't.
10081         (loc_descriptor_from_tree_1): Ditto.
10082         (containing_function_has_frame_base): New function.
10083         (add_location_or_const_value_attribute): Use it.
10084         Also try to generate a frame_base from a single element location
10085         list.
10086
10087 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10088
10089         PR tree-optimization/15349
10090         * timevar.def (TV_TREE_MERGE_PHI): New.
10091         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
10092         PHI_WANTED.
10093         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
10094         calls to tree_forwarder_block_p.
10095         (remove_forwarder_block_with_phi, merge_phi_nodes,
10096         gate_merge_phi, pass_merge_phi): New.
10097         * tree-optimize.c (init_tree_optimization_passes): Add
10098         pass_merge_phi.
10099         * tree-pass.h: Add an extern for pass_merge_phi;
10100
10101 2005-01-20  Richard Henderson  <rth@redhat.com>
10102
10103         PR target/19418
10104         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
10105         (_mm_castps_pd, _mm_castps_si128): New.
10106         (_mm_castsi128_ps, _mm_castsi128_pd): New.
10107
10108 2005-01-20  Richard Henderson  <rth@redhat.com>
10109
10110         PR target/19530
10111         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
10112         __builtin_ia32_vec_init_v2si.
10113         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
10114         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
10115         (ix86_init_mmx_sse_builtins): Create it.
10116         (ix86_expand_builtin): Expand it.
10117         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
10118         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
10119         (vec_extractv2si_0, vec_extractv2si_1): New.
10120
10121 2005-01-20  Richard Henderson  <rth@redhat.com>
10122
10123         PR target/16533
10124         * config/i386/i386.c (ix86_expand_push): New.
10125         * config/i386/mmx.md (push<MMXMODE>1): New.
10126         * config/i386/sse.md (push<SSEMODE>1): New.
10127         * config/i386/i386-protos.h: Update.
10128
10129 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10130
10131         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
10132         copyright.
10133
10134 2005-01-20  Richard Henderson  <rth@redhat.com>
10135
10136         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
10137         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
10138
10139 2005-01-19  Richard Henderson  <rth@redhat.com>
10140
10141         PR target/19350
10142         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
10143         to V4SFmode in SSE1 fallback load path.
10144
10145 2005-01-19  Richard Henderson  <rth@redhat.com>
10146
10147         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
10148         in QImode expansion to ix86_expand_vector_set.
10149         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
10150
10151 2005-01-19  Richard Henderson  <rth@redhat.com>
10152
10153         PR target/19511
10154         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
10155         subclass of the input class.
10156         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
10157         Always true for cross-SSE1 classes.  Rationalize conditionals.
10158         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
10159         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
10160         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
10161         (movdi_2): Add MMX/SSE zeros.
10162         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
10163         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
10164         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
10165         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
10166         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
10167         (zero_extendsidi2_rex64_1): Remove.
10168         (MOV0 peephole): Check GENERAL_REG_P.
10169
10170 2005-01-19  Richard Henderson  <rth@redhat.com>
10171
10172         PR target/19427
10173         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
10174         shufps elements.
10175         (ix86_expand_vector_extract): Likewise.
10176
10177 2005-01-19  Richard Henderson  <rth@redhat.com>
10178
10179         PR middle-end/19304
10180         * expr.c (emit_move_change_mode): New argument force; use
10181         simplify_gen_subreg if true.
10182         (emit_move_via_alt_mode): Merge into ...
10183         (emit_move_via_integer): ... here.
10184         (emit_move_ccmode): Use emit_move_change_mode directly.
10185
10186 2005-01-19  Richard Henderson  <rth@redhat.com>
10187
10188         PR target/19518
10189         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
10190         (alpha_preferred_reload_class): Handle CONST_VECTOR.
10191         (alpha_emit_set_const_1): Add no_output parameter; don't emit
10192         rtl if true.
10193         (alpha_emit_set_const): Likewise.  Make static.
10194         (alpha_emit_set_long_const): Make static.
10195         (alpha_extract_integer): Split out from alpha_expand_mov.
10196         (alpha_split_const_mov): Likewise.
10197         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
10198         (alpha_legitimate_constant_p): New.
10199         * config/alpha/alpha-protos.h: Update.
10200         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
10201         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
10202         * config/alpha/alpha.md (movsi): Add n alternative.
10203         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
10204         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
10205         (splitters for all of the above): Use alpha_split_const_mov.
10206         * config/alpha/predicates.md (non_add_const_operand): New.
10207         (non_zero_const_operand): New.
10208         (input_operand): Use alpha_legitimate_constant_p after reload.
10209
10210 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10211
10212         PR tree-optimization/19038
10213         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
10214         (add_candidate): Add ivs with increment in latch only if
10215         allow_ip_end_pos_p is true.
10216         (determine_iv_cost): Use empty_block_p.
10217
10218 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
10219
10220         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
10221         (compute_dominance_frontiers): Ditto.
10222
10223 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
10224
10225         PR target/19529
10226         * config/sh/t-rtems: New.
10227         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
10228
10229 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10230
10231         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
10232         the offset of the selected field.
10233
10234 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
10235
10236         * tree-cfg.c (remove_forwarder_block): Fix the check to
10237         prevent a nonlocal label from appearing in the middle of a
10238         basic block.
10239
10240 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
10241
10242         PR rtl-optimization/19462
10243         * reorg.c (find_end_label): Create return insn only if
10244         current_function_epilogue_delay_list is empty.
10245
10246 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
10247
10248         * doc/passes.texi: Remove paragraph mentioning new-ra.
10249
10250 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
10251
10252         PR rtl-optimization/15139
10253         * combine.c: Include params.h.
10254         (count_rtxs): New function.
10255         (record_value_for_reg): If replace_rtx would replace at least
10256         2 occurrences of REG in VALUE and TEM is really large, replace REG with
10257         (clobber (const_int 0)) instead of TEM.
10258         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
10259         * params.h (MAX_LAST_VALUE_RTL): New.
10260         * Makefile.in (combine.o): Depend on $(PARAMS_H).
10261         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
10262
10263         PR c/17297
10264         * c-typeck.c (digest_init): Only call build_vector if all constructor
10265         elements are *_CST nodes.
10266         * gimplify.c (gimplify_init_constructor): Likewise.
10267
10268         PR middle-end/19164
10269         * c-typeck.c (digest_init): Only call build_vector if inside_init
10270         is a CONSTRUCTOR.
10271
10272 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
10273
10274         * toplev.c (init_asm_output): Remove dead #ifdef.
10275
10276 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
10277
10278         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
10279
10280 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10281
10282         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
10283         accessing DECL_FUNCTION_CODE.
10284         * dojump.c (do_jump): Likewise.
10285         * gimplify.c (gimplify_call_expr): Likewise.
10286         * predict.c (expr_expected_value): Likewise.
10287         (strip_builtin_expect): Likewise.
10288         * tree-inline.c (estimate_num_insns_1): Likewise.
10289         * tree-ssa-loop-im.c (stmt_cost): Likewise
10290         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
10291         (tree_expr_nonnegative_p): Likewise.
10292
10293 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10294
10295         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
10296         variant of the load_pcrel_sym pattern.
10297         * config/sparc/sparc.md (P macro): Move to the top.
10298         (load_pcrel_sym): Macroize using P.
10299         (save_register_window): Likewise.
10300
10301 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
10302
10303         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
10304         ("sordered"): Same.
10305
10306 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
10307
10308         PR C/19472
10309         * c-typeck.c (build_asm_expr): Strip nops off
10310         input memory operands.
10311
10312 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
10313
10314         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
10315         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
10316         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
10317         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
10318
10319 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
10320
10321         PR target/19379
10322         * config/i386/i386.c (override_options): If the 80387 is disabled,
10323         then do not return FP values using FP registers.
10324
10325 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
10326
10327         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
10328         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
10329         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
10330         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
10331         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
10332         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
10333         output.h, postreload-gcse.c, postreload.c, recog.c,
10334         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
10335         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
10336         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
10337         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
10338         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
10339         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
10340         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
10341         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
10342
10343         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
10344         config/alpha/alpha.c, config/arm/vfp.md,
10345         config/i386/emmintrin.h, config/i386/i386-modes.def,
10346         config/i386/i386-protos.h, config/i386/i386.h,
10347         config/i386/pmmintrin.h, config/i386/ppro.md,
10348         config/i386/predicates.md, config/i386/xmmintrin.h,
10349         config/i860/i860.c, config/ia64/ia64-modes.def,
10350         config/ia64/ia64-protos.h, config/ia64/ia64.h,
10351         config/ia64/ia64.md, config/ia64/itanium1.md,
10352         config/ia64/itanium2.md, config/ia64/predicates.md,
10353         config/iq2000/iq2000.h, config/mips/linux64.h,
10354         config/rs6000/aix41.h, config/rs6000/aix43.h,
10355         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
10356         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
10357         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
10358         config/sparc/linux64.h, config/sparc/litecoff.h,
10359         config/sparc/sp64-elf.h, config/sparc/sparc.c,
10360         config/sparc/sparc.h, config/sparc/sparc.md,
10361         config/sparc/sysv4-only.h: Update copyright.
10362
10363 2005-01-18  Richard Henderson  <rth@redhat.com>
10364
10365         PR target/19496
10366         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
10367
10368 2005-01-18  Marc Espie  <espie@openbsd.org>
10369         * config/i386/openbsdelf.h: Typo.
10370
10371 2005-01-18  Richard Henderson  <rth@redhat.com>
10372
10373         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
10374         special case for sse.
10375         * config/i386/predicates.md (sse_comparison_operator): Likewise.
10376
10377 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
10378
10379         * tree-inline.c (estimate_num_insns_1): Added cases for
10380         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
10381
10382 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10383
10384         PR rtl-optimization/19296
10385         * combine.c (simplify_comparison): Rewrite the condition under
10386         which a non-paradoxical SUBREG of a PLUS can be lifted when
10387         compared against a constant.
10388
10389 2005-01-18  Andi Kleen <ak@muc.de>
10390
10391         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
10392         * c.opt (-Wpointer-sign): Add.
10393         * doc/invoke.texi: (-Wpointer-sign): Add.
10394
10395 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10396
10397         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
10398         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
10399         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
10400         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
10401         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
10402         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
10403         for TARGET_MIX_SSE_I387.
10404         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
10405         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
10406         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
10407         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
10408         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
10409         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
10410         TARGET_MIX_SSE_I387.
10411         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
10412         from expander.
10413
10414 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10415
10416         PR target/19424
10417         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
10418         Add movaps alternative for xmm reg->reg move.
10419
10420 2005-01-17  Jeff Law  <law@redhat.com>
10421
10422         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
10423         at the end of the main DOM loop rather than just before DOM exits.
10424
10425 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
10426
10427         PR tree-optimization/19121
10428         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
10429         adding aliases to a name tag, also add them to the pointer's
10430         type tag.
10431         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
10432         sensitive alias info at all.  Only check that the two pointers
10433         have compatible pointed-to sets.
10434         * tree-ssa.c (verify_name_tags): Verify that the alias set of
10435         a pointer's type tag is a superset of the alias set of the
10436         pointer's name tag.
10437
10438 2005-01-17  James E Wilson  <wilson@specifixinc.com>
10439
10440         PR target/19357
10441         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
10442         comment to document why.
10443
10444 2005-01-17  Richard Henderson  <rth@redhat.com>
10445
10446         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
10447         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
10448         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
10449         sse2_vmsminv2df3_finite): New.
10450         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
10451         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
10452         Force op1 into register.
10453
10454 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
10455
10456         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
10457         bubblestrap from always rebuilding build directory.
10458
10459 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
10460
10461         * config/s390/s390.md ("*clc"): Remove incorrect '='.
10462         ("*cmpmem_short"): Likewise.
10463
10464 2005-01-17  Steven Bosscher  <stevenb@suse.de>
10465
10466         * basic-block.h: Document BB_* flags.
10467         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
10468         use an sbitmap instead.
10469         * sched-rgn.c (compute_trg_info): Likewise.
10470
10471 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
10472
10473         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
10474         redundant target_cpu_default and extra_parts lines.  Use the default
10475         "from-abi" ISA.
10476         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
10477         (SUBTARGET_EXTRA_SPECS): Delete.
10478         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
10479         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
10480         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
10481         and "n32" for -mabi=n32.
10482
10483 2005-01-17  Ian Lance Taylor  <ian@airs.com>
10484
10485         PR c/5675
10486         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
10487         fold constant variables into initial values.
10488
10489 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
10490
10491         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
10492
10493         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
10494         through the statements backward.
10495
10496 2005-01-17  Ian Lance Taylor  <ian@airs.com>
10497
10498         PR middle-end/13127:
10499         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
10500         a variable set to the return value of the inlined function.
10501
10502 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
10503
10504         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
10505         when modes are tieable.
10506
10507 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
10508
10509         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
10510         of pthread_create to find out if threads are enabled.
10511         * gthr-posix95.h (__gthread_active_p): Likewise.
10512
10513 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
10514
10515         * common.opt (-fnew-ra): Remove.
10516         * ra*.*: Remove.
10517         * toplev.h (flag_new_regalloc): Remove.
10518         * Makefile.in (ra*.*): Don't mention.
10519         * passes.c (rest_of_handle_new_regalloc): Remove.
10520         (rest_of_handle_combine, rest_of_compilation): Always consider
10521         flag_new_regalloc as false.
10522         * doc/invoke.texi: Don't document -fnew-ra.
10523
10524 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
10525
10526         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
10527         last parameter to reg_scan.
10528         * loop.c (loop_optimize): Likewise.
10529         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
10530         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
10531         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
10532         rest_of_handle_gcse, rest_of_handle_loop_optimize,
10533         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
10534         * regclass.c (reg_scan): Likewise, for the declaration.
10535         * rtl.h (reg_scan): Likewise, for the prototype.
10536
10537 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
10538
10539         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
10540         mark_dfs_back_edges.
10541
10542 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
10543
10544         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
10545         (compute_avail): Uses don't go in tmp_gen.
10546
10547 2005-01-16  Steven Bosscher  <stevenb@suse.de>
10548
10549         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
10550         loop to look for a free slot in a page entry.
10551
10552 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10553
10554         PR target/16304
10555         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
10556         * toplev.c (compile_file): Call process_pending_assemble_output_defs
10557         just before targetm.asm_out.file_end.
10558         * tree.h (process_pending_assemble_output_defs): Declare.
10559         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
10560         New functions.
10561         (assemble_alias): Defer generation of assembly code for defines when
10562         TARGET_DEFERRED_OUTPUT_DEFS is true.
10563         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
10564         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
10565         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
10566
10567 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10568
10569         PR target/19336
10570         * pa.c (pa_scalar_mode_supported_p): New function.
10571         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10572         * pa.h (MIN_UNITS_PER_WORD): Add comment.
10573
10574         * pa-protos.h (prefetch_operand): Delete.
10575         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
10576         * pa.c (prefetch_operand): Delete.
10577         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
10578         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
10579         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
10580         and prefetch_nocc_operand.
10581         * pa.md (prefetch): Rework to avoid reload problems handling short
10582         displacements when a cache control completer needs to be provided.
10583         (prefetch_32, prefetch_64): Delete.
10584         (prefetch_cc, prefetch_nocc): New patterns.
10585
10586 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
10587
10588         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
10589
10590 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10591
10592         PR ada/19388
10593         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
10594         exceeds maximum alignment for global common data.
10595         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
10596         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
10597
10598 2004-01-15  Roger Sayle  <roger@eyesopen.com>
10599
10600         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
10601
10602 2004-01-15  Roger Sayle  <roger@eyesopen.com>
10603
10604         * harg-reg-set.h (reg_class_names): Prototype global array.
10605         * regclass.c (reg_class_names): Declare here and initialize to
10606         REG_CLASS_NAMES.
10607         (dump_regclass): Remove local declaration of reg_class_names.
10608         (regclass): Likewise.
10609         * cfg.c (dump_flow_info): Likewise.
10610         * ra-debug.c (reg_class_names): Likewise.
10611         * regrename.c (reg_class_names): Likewise.
10612         * reload.c (reg_class_names): Likewise.
10613         * reload1.c (spill_failure): Likewise.
10614         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
10615
10616 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
10617
10618         * config/s390/s390.md ("reload_outti"): Remove predicate for
10619         output operand.  Abort if operand is not a MEM.
10620         ("reload_outdi", "reload_outdf"): Likewise.
10621
10622 2005-01-15  Marc Espie  <espie@openbsd.org>
10623
10624         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
10625         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
10626         * config/openbsd.h:  Fix C++ includes for native configurations.
10627         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
10628         Add trampoline support.
10629         * config/i386/openbsdelf.h: New.
10630
10631 2005-01-15  Marc Espie  <espie@openbsd.org>
10632
10633         * collect2.c (main): Explicitly parse -dynamic-linker option.
10634
10635 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
10636
10637         PR tree-optimization/19060
10638         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
10639         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
10640         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
10641         and handle extract_range_from_cond returning false.
10642         * fold-const.c (fold): Optimize comparisons with min/max even for
10643         width > HOST_BITS_PER_WIDE_INT.
10644
10645 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
10646
10647         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
10648         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
10649         Remove little endian multilib variants.
10650         Add mips32 multilib variant.
10651
10652 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
10653
10654         * explow.c (copy_all_reg, stabilize): Remove.
10655         * expr.h: Remove the corresponding prototypes.
10656
10657         * rtlanal.c (regs_set_between_p): Remove.
10658         * rtl.h: Remove the corresponding prototype.
10659
10660 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
10661
10662         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
10663         to rs6000_nonimmediate_operand.
10664         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
10665         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
10666         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
10667         rs6000_nonimmediate_operand.
10668         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
10669         rs6000_nonimmediate_operand.
10670
10671 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
10672
10673         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
10674
10675 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10676
10677         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
10678         on e500v2.
10679         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
10680         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
10681
10682         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
10683         (rs6k_nonimmediate_operand): New.
10684         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
10685         correctly.
10686         (legitimate_lo_sum_address_p): Same.
10687         (rs6000_legitimize_address): Same.
10688         (rs6000_legitimize_reload_address): Same.
10689         (rs6000_legitimate_address): Same.
10690         (spe_build_register_parallel): Pass DF and DC modes in a DI
10691         register.
10692
10693         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
10694         to rs6k_nonimmediate_operand.
10695
10696         * config/rs6000/spe.md ("*frob_df_di"): New.
10697         ("*frob_di_df"): New.
10698         ("*frob_di_df_2"): New.
10699         ("*mov_sidf_e500_subreg0"): New.
10700         ("*mov_sidf_e500_subreg4"): New.
10701         ("*movdf_e500_double"): Change predicate to
10702         rs6k_nonimmediate_operand.
10703
10704 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10705
10706         * postreload.c (move2add_note_store): Only call
10707         trunc_int_for_mode on scalar integers.
10708
10709 2005-01-14  Steven Bosscher  <stevenb@suse.de>
10710
10711         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
10712         replace BB_VISITED uses.
10713         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
10714         (propagate_necessity): Check the bitmap instead of BB_VISITED.
10715         (tree_dce_done): Free visited_control_parents.
10716         (perform_tree_ssa_dce): Allocate and clear it.
10717         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
10718         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
10719         instead of BB_VISITED.
10720
10721 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
10722
10723         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
10724         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
10725         Remove unused prototypes.
10726
10727 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10728
10729         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
10730         64-bit register usage.
10731         (spe_func_has_64bit_regs_p): Add FIXME note.
10732
10733 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10734
10735         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
10736         flag_finite_math_only with flag_unsafe_math_optimizations.
10737
10738 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
10739
10740         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
10741         end-of-stack check.
10742         (__tpf_eh_return): Copy TPF private stack area from the module
10743         boundary stack frame.  Add check for when module addresses are
10744         equal, but no stub address is found.
10745
10746 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
10747
10748         PR target/7525
10749         * arm.h (struct machine_function): Add call_via field.
10750         (thumb_call_via_label): Declare.
10751         * arm.c (thumb_call_via_label): New variable.
10752         (thumb_call_reg_needed): New variable.
10753         (arm_output_function_epilogue): For Thumb code, output any per-function
10754         call-indirect trampolines.
10755         (thumb_call_via_reg): New function.
10756         (arm_file_end): New function.
10757         (TARGET_ASM_FILE_END): Call arm_file_end.
10758         (aof_file_end): Likewise.
10759         * arm-protos.h (thumb_call_via_reg): Declare.
10760         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
10761         thumb_call_via_reg in normal case.
10762
10763 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
10764
10765         PR middle-end/19084
10766         PR rtl-optimization/19348
10767         * recog.c (peephole2_optimize): Do global life update if some peephole
10768         decides it doesn't need at least one of its inputs and that change
10769         influences liveness at the start of the basic block.
10770
10771         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
10772         arguments instead of 1.
10773
10774 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
10775
10776         PR middle-end/18820
10777         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
10778         zero for nested functions needing a static chain or functions
10779         with a non-constant address.
10780
10781 2005-01-13  Roger Sayle  <roger@eyesopen.com>
10782
10783         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
10784         (and (sign_extend X) C) into (zero_extend (and X C)).
10785
10786 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
10787
10788         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
10789
10790 2005-01-13  Richard Henderson  <rth@redhat.com>
10791
10792         PR target/19009
10793         PR target/19250
10794         PR target/19252
10795         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
10796         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
10797         not just TARGET_SSE.
10798         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
10799         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
10800         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
10801         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
10802         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
10803         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
10804         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
10805         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
10806         (movdicc_c_rex64): Rename with '*'.
10807         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
10808         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
10809         (movsfcc_1_387): Rename from movsfcc_1.
10810         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
10811         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
10812         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
10813         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
10814         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
10815         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
10816         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
10817         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
10818         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
10819         sse_movdfcc_const0_4): Remove.
10820         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
10821         recognize min/max early.  Update for changed sse cmove patterns.
10822         (ix86_split_sse_movcc): New.
10823         * config/i386/i386-protos.h: Update.
10824
10825 2005-01-13  Steven Bosscher  <stevenb@suse.de>
10826
10827         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
10828         (fix_stmt_v_may_defs): Likewise.
10829
10830 2005-01-13  Richard Henderson  <rth@redhat.com>
10831
10832         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
10833         for converting the mask.
10834
10835 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
10836
10837         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
10838         definition to 600.
10839
10840 2005-01-13  Richard Henderson  <rth@redhat.com>
10841
10842         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
10843         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
10844         IX86_BUILTIN_MOVDQ2Q): Remove.
10845         (IX86_BUILTIN_VEC_EXT_V4SI): New.
10846         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
10847         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
10848         shuffling.
10849         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
10850         (sse2_pextrw): Fix immediate constraint.
10851         (sse2_loadq, sse2_loadq_rex64): Remove.
10852         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
10853         Use __builtin_ia32_vec_ext_<size>.
10854         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
10855
10856 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
10857
10858         * function.c (assign_parm_setup_block): Look inside original
10859         entry_parm when inspecting PARALLEL.
10860
10861 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
10862             Joel Sherrill  <joel@oarcorp.com>
10863
10864         PR target/19399
10865         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
10866         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
10867         rtems_gxx_recursive_mutex_init.
10868         (__gthread_recursive_mutex_lock): New function.
10869         (__gthread_recursive_mutex_trylock): Likewise.
10870         (__gthread_recursive_mutex_unlock): Likewise.
10871
10872 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
10873
10874         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
10875
10876 2005-01-13  Jan Beulich  <jbeulich@novell.com>
10877
10878         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
10879         (ashrti3_internal): Indicate output is early clobber. Generate result
10880         into output rather than first input. Use move for low word of output
10881         if shift count is exactly 64.
10882         (lshrti3_internal): Likewise.
10883
10884 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
10885
10886         PR target/18329
10887         PR target/18330
10888         * reload1.c (delete_output_reload): Don't delete an output reload
10889         if the pseudo lives longer than a single basic block.  Adjust and
10890         improve wording of comment.
10891
10892 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
10893
10894         PR target/19334
10895         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
10896         of TYPE_SIZE where we mean the number of bytes.
10897
10898 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
10899
10900         * function.c (assign_parm_setup_block): Relax condition on
10901         multi-register optimization.
10902
10903 2005-01-12  Nick Clifton  <nickc@redhat.com>
10904
10905         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
10906         an "in_delay_slot" attribute of "no" to prevent them being used in
10907         delay slots.  This is forbidden because they might generate
10908         exceptions.
10909
10910 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
10911
10912         PR target/19389
10913         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
10914         with r->Y and Y->r.
10915
10916 2005-01-12  Nick Clifton  <nickc@redhat.com>
10917
10918         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
10919         passed on to GAS) but do not define, as GAS no longer supports or
10920         needs the -m2000 option.
10921
10922 2005-01-11  Roger Sayle  <roger@eyesopen.com>
10923
10924         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
10925         type as args of unprototyped builtins aren't automatically promoted.
10926         (fold_builtin_abs): Likewise.
10927
10928 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10929
10930         * Makefile.in: Set a `build-warn' variable.
10931
10932 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
10933
10934         PR tree-optimization/17949
10935         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
10936         (find_interesting_uses_address): Use it.
10937
10938 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
10939
10940         * regrename.c (kill_value): Handle subreg's that won't simplify.
10941
10942 2005-01-11  Richard Henderson  <rth@redhat.com>
10943
10944         PR target/13366
10945         * config/i386/i386.h (enum ix86_builtins): Move ...
10946         * config/i386/i386.c: ... here.
10947         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
10948         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
10949         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
10950         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
10951         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
10952         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
10953         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
10954         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
10955         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
10956         IX86_BUILTIN_LOADDDUP): Remove.
10957         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
10958         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
10959         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
10960         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
10961         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
10962         (ix86_init_builtins): Make static.
10963         (ix86_init_mmx_sse_builtins): Update for changed builtins.
10964         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
10965         if all the modes match.  Otherwise, fake it.
10966         (get_element_number, ix86_expand_vec_init_builtin,
10967         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
10968         (ix86_expand_builtin): Make static.  Update for changed builtins.
10969         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
10970         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
10971         (ix86_expand_vector_init_duplicate): New.
10972         (ix86_expand_vector_init_low_nonzero): New.
10973         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
10974         Split out from ix86_expand_vector_init; handle integer modes.
10975         (ix86_expand_vector_init): Use them.
10976         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
10977         * config/i386/i386-protos.h: Update.
10978         * config/i386/predicates.md (reg_or_0_operand): New.
10979         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
10980         (movv2sf_internal): Likewise.  And a splitter to match them all.
10981         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
10982         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
10983         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
10984         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
10985         (mmx_pinsrw): Fix operand ordering.
10986         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
10987         rather than sse_loadss expander.
10988         (movv2df splitter): Similarly.
10989         (sse_loadss, sse_loadlss): Remove.
10990         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
10991         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
10992         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
10993         (sse3_movddup): Rename with '*'.
10994         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
10995         (sse2_loadsd): Remove.
10996         (vec_dupv2df_sse3): Rename from sse3_loadddup.
10997         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
10998         (sse2_pinsrw): Fix argument ordering.
10999         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
11000         (sse2_stored): Remove 'r' destination.
11001         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
11002         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
11003         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
11004         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
11005         vec_extractv16qi, vec_initv16qi): New.
11006
11007         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
11008         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
11009         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
11010         constructor form.
11011         (_mm_load_pd, _mm_store_pd): Use plain dereference.
11012         (_mm_load_si128, _mm_store_si128): Likewise.
11013         (_mm_load1_pd): Use _mm_set1_pd.
11014         (_mm_load_sd): Use _mm_set_sd.
11015         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
11016         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
11017         (_mm_set_epi64): Use _mm_set_epi64x.
11018         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
11019         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
11020         _mm_setr_epi8): Use _mm_set_foo form.
11021         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
11022         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
11023         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
11024         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
11025         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
11026         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
11027         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
11028         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
11029         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
11030         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
11031         (_mm_movedup_pd): Use _mm_shuffle_pd.
11032         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
11033         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
11034         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
11035         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
11036         Use _mm_setzero_ps.
11037         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
11038         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
11039         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
11040         (_mm_store_ps): Use raw dereference.
11041         (_mm_store1_ps): Use _mm_storeu_ps.
11042         (_mm_storer_ps): Use _mm_store_ps.
11043         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
11044         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
11045
11046 2005-01-11  Stan Shebs  <shebs@apple.com>
11047
11048         * config/rs6000/rs6000.c (machopic_output_stub): Issue
11049         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
11050
11051 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
11052
11053         PR target/18761
11054         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
11055         Skip all DECLs except for FIELD_DECLs.
11056
11057 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11058
11059         * config/s390/s390.c (override_options): Return error if
11060         -mbackchain, -mpacked-stack and -mhard-float are used together.
11061         (s390_va_start): Remove the backchain && packed-stack special case.
11062         (s390_gimplify_va_arg): Likewise.
11063         * doc/invoke.texi: Remove the ABI incompatibility note.
11064
11065 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11066
11067         * config/s390/s390.c (struct s390_frame_layout): Remove
11068         save_backchain_p.
11069         (s390_frame_info, s390_emit_prologue): Replace occurrences of
11070         save_backchain_p with TARGET_BACKCHAIN.
11071
11072 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11073
11074         PR target/18916
11075         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
11076         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
11077         * function.c (locate_and_pad_parm): Set new field.
11078         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
11079         Tweak where_pad test to include "none".  Always set mem align for
11080         stack_parm.
11081         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
11082         not sufficient for type.
11083         (assign_parm_setup_block): If stack_parm is zero on entry, always
11084         make a new stack local.  Block move old stack parm if necessary
11085         to new aligned stack local.
11086         (assign_parm_setup_stack): Use a block move to handle
11087         potentially misaligned entry_parm.
11088         (assign_parms_unsplit_complex): Specify required alignment when
11089         creating stack local.
11090         * calls.c (compute_argument_addresses): Override alignment of stack
11091         arg calculated from its type with the alignment given by
11092         FUNCTION_ARG_BOUNDARY.
11093         (store_one_arg): Likewise.
11094
11095 2005-01-11  Jan Beulich  <jbeulich@novell.com>
11096
11097         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
11098         Change respective itanium_class attribute to ialu.
11099         (shladdp4_internal): New.
11100         * config/ia64/predicates.md (shladd_log2_operand): New.
11101
11102 2005-01-11  Richard Henderson  <rth@redhat.com>
11103
11104         * expr.c (store_constructor): Use rtvec_alloc instead of
11105         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
11106
11107 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
11108
11109         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
11110
11111 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11112
11113         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
11114         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
11115         (TARGET_RWRELOC): Define.
11116         (ia64_rwreloc_section_type_flags): Delete.
11117         (ia64_section_type_flags): New function.
11118         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
11119         (TARGET_RWRELOC): Define.
11120
11121 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
11122
11123         PR target/18987
11124         * config/ia64/ia64.c (process_set): For alloc insn, only call
11125         process_epilogue is !frame_pointer_needed.
11126
11127 2005-01-10  Roger Sayle  <roger@eyesopen.com>
11128
11129         PR c++/19355
11130         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
11131         unary operator and can't be treated as a binary/comparison operator.
11132
11133 2005-01-10  Richard Henderson  <rth@redhat.com>
11134
11135         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
11136         (ix86_return_in_memory): Likewise.
11137         (function_arg_advance):  Likewise.  Mirror structure in function_arg
11138         for choosing register to advance.
11139
11140 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
11141
11142         * tree-vectorizer.c, tree.def: Fix comment typos.
11143
11144 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
11145
11146         * config/s390/s390.c (struct processor_costs): 4 new fields:
11147         ddbr, ddr, debr, der.
11148         (s390_rtx_costs): More precise handling of divide instructions.
11149
11150 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
11151
11152         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
11153
11154 2005-01-10  Jan Beulich  <jbeulich@novell.com>
11155
11156         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
11157         names resulting from -ffunction-sections/-fdata-sections and linkonce
11158         ones.
11159         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
11160         based on the section name. Rearrange the section name comparison logic
11161         slightly so that each section name is compared against at most once.
11162
11163 2005-01-10  Ben Elliston  <bje@au.ibm.com>
11164
11165         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
11166         targets for which -fPIC reduces limitations on the GOT size.
11167
11168 2005-01-09  Falk Hueffner  <falk@debian.org>
11169
11170         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
11171         X/C1 cmpop C2.
11172
11173 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
11174
11175         PR target/18720
11176         * collect2.c (main): Set aixrtl_flag for -brtl option.
11177         (resolve_lib_name): Search for .so file extension before .a
11178         if aixrtl_flag set.
11179
11180 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
11181
11182         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
11183         (vect_analyze_data_refs_alignment): Add dump prints.
11184
11185 2005-01-09  Ira Rosen  <irar@il.ibm.com>
11186
11187         * tree-vectorizer.c (vect_analyze_offset_expr): Use
11188         expr_invariant_in_loop_p.
11189         Initialize outputs first thing in the function.
11190         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
11191         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
11192         (vect_analyze_pointer_ref_access): Check that the initial condition of
11193         the access function is loop invariant.
11194
11195 2005-01-09  Richard Henderson  <rth@redhat.com>
11196
11197         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
11198         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
11199         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
11200         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
11201         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
11202         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
11203         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
11204         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
11205         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
11206         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
11207         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
11208         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
11209         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
11210         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
11211         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
11212         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
11213         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
11214         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
11215         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
11216         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
11217         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
11218         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
11219         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
11220         mmx_ prefix.
11221         (mmx_clrdi, pavgusb): Remove.
11222         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
11223         with leading sse_ prefix.
11224         * config/i386/sse.md: Receive them.
11225         * config/i386/mmx.md: New file.
11226         (MMXMODE12, MMXMODE24, mmxvecsize): New.
11227         (subrv2sf3): Turn into expander for normal subtraction.
11228         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
11229         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
11230         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
11231         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
11232         commutative; use ix86_binary_operator_ok.
11233         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
11234         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
11235         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
11236         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
11237         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
11238         Macroize from existing patterns; use ix86_binary_operator_ok.
11239         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
11240         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
11241         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
11242         with vec_select+vec_concat.
11243         (mmx_pshufw, mmx_pshufw_1): Likewise.
11244         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
11245         (mmx_uavgv4hi3): Model correctly.
11246         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
11247         _mm_xor_si64): Remove casts.
11248
11249 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
11250
11251         PR tree-optimization/19224
11252         * tree-scalar-evolution.c (get_instantiated_value,
11253         set_instantiated_value): New functions.
11254         (instantiate_parameters_1): Cache the results.
11255         (instantiate_parameters, resolve_mixers): Initialize and free
11256         the cache.
11257
11258 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
11259
11260         * config/i386/i386.md (addhi_4): Correct reference in comment.
11261         (addqi_4): Same.
11262
11263 2005-01-08  Richard Henderson  <rth@redhat.com>
11264
11265         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
11266         (_mm_cvtsi128_si64x): Likewise.
11267         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
11268         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
11269         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
11270         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
11271         * config/i386/i386-protos.h: Update.
11272         * config/i386/i386.c (print_operand): Add 'H'.
11273         (ix86_fixup_binary_operands): Split out from ...
11274         (ix86_expand_binary_operator): ... here.
11275         (ix86_fixup_binary_operands_no_copy): New.
11276         (ix86_expand_fp_absneg_operator): Handle vector mode results.
11277         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
11278         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
11279         (safe_vector_operand): Use CONST0_RTX.
11280         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
11281         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
11282         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
11283         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
11284         special cases.
11285         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
11286         (IX86_BUILTIN_CMPNGESS): New.
11287         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
11288         (attr type): Add sselog1.
11289         (attr unit, attr memory): Handle it.
11290         (movti, movti_internal, movti_rex64): Move near other integer moves.
11291         (movtf, movtf_internal): Move near other fp moves.
11292         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
11293         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
11294         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
11295         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
11296         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
11297         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
11298         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
11299         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
11300         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
11301         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
11302         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
11303         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
11304         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
11305         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
11306         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
11307         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
11308         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
11309         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
11310         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
11311         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
11312         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
11313         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
11314         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
11315         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
11316         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
11317         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
11318         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
11319         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
11320         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
11321         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
11322         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
11323         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
11324         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
11325         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
11326         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
11327         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
11328         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
11329         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
11330         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
11331         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
11332         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
11333         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
11334         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
11335         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
11336         same time.
11337         (SSEPUSH, push<SSEPUSH>): Remove.
11338         (MMXPUSH, push<MMXPUSH>): Remove.
11339         (sse_movaps, sse_movaps_1, sse_movups): Remove.
11340         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
11341         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
11342         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
11343         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
11344         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
11345         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
11346         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
11347         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
11348         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
11349         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
11350         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
11351         (ppro_sse_log_V4SF): Handle sselog1.
11352         * config/i386/predicates.md (const_0_to_1_operand): New.
11353         (const_0_to_255_mul_8_operand): New.
11354         (const_1_to_31_operand): Rename from const_int_1_31_operand.
11355         (const_2_to_3_operand, const_4_to_7_operand): New.
11356         * config/i386/sse.md: New file.
11357         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
11358         (sse_movups): Rename from sse_movups_1.
11359         (sse_loadlss): Rename from sse_loadss_1.
11360         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
11361         from the name.
11362         (negv4sf2): Use ix86_expand_fp_absneg_operator.
11363         (absv4sf2, negv2df, absv2df): New.
11364         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
11365         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
11366         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
11367         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
11368         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
11369         (sse3_addsubv4sf3): Model correctly.
11370         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
11371         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
11372         (sse_movhlps): Model with vec_select+vec_concat.
11373         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
11374         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
11375         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
11376         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
11377         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
11378         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
11379         sse2_pshufhw_1): Likewise.
11380         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
11381         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
11382         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
11383         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
11384         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
11385         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
11386         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
11387         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
11388         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
11389         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
11390         sminv8hi3): Mark commutative
11391         operands.  Use ix86_binary_operator_ok.
11392         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
11393         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
11394         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
11395         sse2_punpcklqdq): Allow operand2 in memory.
11396         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
11397         sse2_movsd): Add memory alternatives.
11398         (sse_storelps): Turn expander into an insn; split after reload.
11399         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
11400         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
11401
11402 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
11403
11404         * configure.ac (DWARF-2 debug_line): Use objdump.
11405         * configure: Regenerate.
11406
11407 2005-01-08  Jeff Law  <law@redhat.com>
11408             Diego Novillo  <dnovillo@redhat.com>
11409
11410         PR tree-optimization/18241
11411         * tree-nrv.c (tree_nrv): Ignore volatile return values.
11412         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
11413         statements with volatile operands.
11414         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
11415         operands after marking a statement with has_volatile_ops.
11416
11417 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11418
11419         * tree.c (int_fits_type_p): Always honor integer constant
11420         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
11421
11422 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11423
11424         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
11425         the latent bug in rtl_delete_block has been resolved.
11426
11427 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
11428
11429         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
11430         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
11431
11432 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
11433
11434         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
11435         library as @multilib_dir@/$(SHLIB_SONAME).
11436
11437 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
11438
11439         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
11440         * configure: Regenerate.
11441
11442 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
11443
11444         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
11445         TYPE_MODE.
11446
11447 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
11448
11449         PR target/13674
11450         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
11451         Convert non-word aligned offset address using ld/std into
11452         indirect address.
11453
11454 2005-01-07  Richard Henderson  <rth@redhat.com>
11455
11456         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
11457
11458 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
11459
11460         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
11461
11462 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
11463
11464         PR tree-optimization/19283
11465         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
11466         is not shorter than the original type.
11467
11468         PR rtl-optimization/19012
11469         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
11470
11471         PR rtl-optimization/18861
11472         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
11473         (FULL_STATE): Define.
11474         (mark_tablejump_edge): New function.
11475         (purge_dead_tablejump_edges): New function.
11476         (find_bb_boundaries): Use it.
11477
11478         PR tree-optimization/18828
11479         * builtins.c (expand_builtin_next_arg): Remove argument and all
11480         the argument checking.
11481         (expand_builtin): Adjust caller.
11482         (expand_builtin_va_start): Likewise.  Remove error for too many
11483         arguments.
11484         (fold_builtin_next_arg): Issue error for too many arguments.
11485         After checking arguments, replace them with magic arguments that
11486         prevent further checking of the args.
11487
11488 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11489
11490         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
11491
11492 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11493
11494         PR target/6077
11495         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
11496         and %{.S:...} (and their negative variants) to test whether the
11497         input file is assembler or pre-processed-assembler independent of
11498         the actual filename extension.
11499
11500 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11501
11502         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
11503         of sign or zero extended values.
11504
11505 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
11506
11507         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
11508         for IBM long double format correctly.
11509
11510 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
11511
11512         Fix PR tree-optimization/18792
11513
11514         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
11515         to first_loop_depth, and use loop depth instead of loop number.
11516         (build_classic_dir_vector): Ditto.
11517         (compute_data_dependences_for_loop): Use depth, not loop number.
11518         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
11519         number. Pass in loops, instead of loop numbers.
11520         (gather_interchange_stats): Ditto.
11521         (linear_transform_loops): Ditto.
11522
11523 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
11524
11525         PR rtl-opt/13299
11526         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
11527         biv_fits_mode_p, extension_within_bounds_p): New functions.
11528         (check_ext_dependent_givs): Use them.
11529
11530 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11531
11532         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
11533         more than one barrier, in which case we should delete them all.
11534
11535 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
11536
11537         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
11538
11539 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
11540
11541         Fix PR middle-end/19286
11542         Fix PR debug/19267
11543         * dwarf2out.c (gen_subprogram_die): If we've already tried to
11544         output this subprogram, simply ignore this attempt to do it again.
11545         (add_abstract_origin_attribute): Don't abort trying to add the abstract
11546         origin attribute if it's not possible.
11547         (gen_block_die): Don't ignore subblocks of "unused" blocks.
11548         (decls_for_scope): Ditto.
11549         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
11550         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
11551
11552 2005-01-05  Richard Henderson  <rth@redhat.com>
11553
11554         PR target/11327
11555         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
11556         (bdesc_2arg): Use it.
11557         (ix86_expand_binop_builtin): Force operands into registers
11558         when optimizing.
11559         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
11560         ix86_expand_sse_compare, ix86_expand_sse_comi,
11561         ix86_expand_builtin): Likewise.
11562
11563 2005-01-05  Richard Henderson  <rth@redhat.com>
11564
11565         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
11566         and VEC_SELECT.
11567         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
11568         (mulv4hi3): Set itanium_class mmmul.
11569         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
11570         (fpack): Rename from fpack_sfsf.
11571
11572 2005-01-05  Richard Henderson  <rth@redhat.com>
11573
11574         PR rtl-opt/10692
11575         * reload1.c (do_input_reload): Restrict the optimization deleteing
11576         a previous output reload to RELOAD_FOR_INPUT.
11577
11578 2005-01-05  Steven Bosscher  <stevenb@suse.de>
11579
11580         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
11581         comment that we fall through after case.
11582         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
11583         (distribute_links): Likewise.
11584         * cse.c (cse_insn): Likewise.
11585         * cselib.c (cselib_invalidate_mem): Likewise.
11586         * df.c: Update comments at the top of the file.
11587         (read_modify_subreg_p): Update comments here too.
11588         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
11589         * flow.c (mark_set_1): Likewise.
11590         (mark_used_regs): Likewise.
11591         * gcse.c (mems_conflict_for_gcse_p): Likewise.
11592         (canon_list_insert): Likewise.
11593         (mark_set): Likewise.
11594         (try_replace_reg): Likewise.
11595         (store_killed_in_insn): Likewise.
11596         * loop.c (count_one_set): Likewise.
11597         (basic_induction_var): Likewise.
11598         * postreload-gcse.c (find_mem_conflicts): Likewise.
11599         * postreload.c (reload_combine_note_store): Likewise.
11600         (move2add_note_store): Likewise.
11601         * reload.c (find_equiv_reg): Likewise.
11602         (mark_referenced_resources): Likewise.
11603         * rtlanal.c (set_noop_p): Likewise.
11604         (note_stores): Likewise.
11605         (note_uses): Likewise.
11606         * sched-deps.c (sched_analyze_1): Likewise.
11607         * sched-rgn.c (check_live_1): Likewise.
11608         (update_live_1): Likewise.
11609         * config/i860/i860.c: Likewise.
11610
11611         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
11612         an lvalue.
11613         (ZERO_EXTRACT): Mention that this one can be an lvalue.
11614
11615         * doc/rtl.texi: Update documentation for bit-fields and SET.
11616
11617 2005-01-05  Roger Sayle  <roger@eyesopen.com>
11618
11619         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
11620
11621 2005-01-05  Jan Hubicka  <jh@suse.cz>
11622             Richard Henderson  <rth@redhat.com>
11623
11624         PR target/18910
11625         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
11626         with an offset.
11627
11628 2005-01-05  Richard Henderson  <rth@redhat.com>
11629
11630         PR target/12902
11631         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
11632         (sse_shufps): Change operand 3 to const_int_operand.
11633         (sse2_storelps): Fix typo in template.
11634         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
11635         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
11636         (ix86_expand_builtin): Likewise.
11637
11638 2005-01-05  Julian Brown  <julian@codesourcery.com>
11639
11640         * config/arm/arm.c (arm_return_in_memory): Treat complex types
11641         as aggregates for AAPCS ABIs.
11642
11643 2005-01-05  Stan Shebs  <shebs@apple.com>
11644
11645         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
11646         Mach-O getters if ppc64.
11647         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
11648         size argument.
11649         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
11650         signed four-byte field for global code case.
11651         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
11652
11653 2005-01-05  Roger Sayle  <roger@eyesopen.com>
11654
11655         PR middle-end/19100
11656         * c-common.c: Include real.h.
11657         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
11658         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
11659         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
11660         * Makefile.in (c-common.o): Update dependencies.
11661
11662 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
11663
11664         * c-parse.in (asm_string): Add trailing semicolon.
11665
11666 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
11667
11668         * c-parse.in (asm_string): New.  Don't allow wide strings in
11669         'asm'.
11670         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
11671         asm_string instead of STRING.
11672
11673 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
11674
11675         * c-typeck.c (constructor_no_implicit): Remove.
11676         (set_designator, process_init_element): Don't check
11677         constructor_no_implicit.
11678
11679 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
11680             Kaz Kojima  <kkojima@gcc.gnu.org>
11681
11682         PR target/16482
11683         * lcm.c (create_pre_exit): New.
11684         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
11685         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
11686
11687 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
11688
11689         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
11690         -msoft-float in target_float_switch.
11691         * arm.c (arm_override_options): Fix processing of target_float_switch.
11692
11693 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
11694
11695         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
11696         preferencing.
11697
11698 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
11699
11700         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
11701         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
11702
11703 2005-01-04  Roger Sayle  <roger@eyesopen.com>
11704
11705         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
11706         if deleting the then-block allows the test-block to fallthru to the
11707         else-block.
11708
11709 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
11710
11711         PR c/19152
11712         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
11713         after the full declaration if the are in two different TUs.
11714
11715 2005-01-04  Richard Henderson  <rth@redhat.com>
11716
11717         PR tree-opt/19158
11718         * tree-sra.c (generate_one_element_init): Just
11719         call gimplify_and_add.
11720         (generate_element_init): Record the
11721         new referenced variables and mark them for renaming
11722         and split out to ...
11723         (generate_element_init_1): This.
11724         (scalarize_init): Don't call push_gimplify_context/
11725         pop_gimplify_context.
11726
11727 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
11728
11729         * toplev.c (get_src_pwd): Handle failure of getpwd().
11730
11731 2005-01-04  Roger Sayle  <roger@eyesopen.com>
11732
11733         * fold-const.c (fold_single_bit_test): Delete unreachable handling
11734         of TRUTH_NOT_EXPR.
11735         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
11736         all the cases handled by it are inverted by invert_truthvalue.
11737
11738 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11739
11740         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
11741         (save_register_windowsi): Likewise.
11742
11743 2005-01-04  Richard Henderson  <rth@redhat.com>
11744
11745         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
11746
11747 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
11748
11749         PR middle-end/17767
11750         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
11751         any simplifications of vector mode comparison operators.
11752         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
11753
11754 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
11755             Devang Patel  <dpatel@apple.com>
11756
11757         PR tree-optimization/18308
11758         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
11759         the operands before creating a new expression.
11760         * dojump.c (do_jump): Make drop_through_label available
11761         for all cases.  Add expansion of COND_EXPR.
11762
11763 2005-01-04  Ira Rosen  <irar@il.ibm.com>
11764
11765         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
11766         INTEGER_CST instead of TREE_CONSTANT.
11767         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
11768         instead of TREE_CONSTANT.
11769         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
11770         instead of TREE_CONSTANT.
11771
11772 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11773
11774         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
11775
11776 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
11777
11778         PR target/19240
11779         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
11780         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
11781
11782 2005-01-03  Richard Henderson  <rth@redhat.com>
11783
11784         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
11785         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
11786         fold_convert_const_real_from_real): Split out from ...
11787         (fold_convert_const): ... here.
11788
11789 2005-01-03  Richard Henderson  <rth@redhat.com>
11790
11791         PR target/19235
11792         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
11793         (mov<MMXMODEI>_internal): Likewise.
11794         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
11795         Add V2SF case; use it for SSE1; don't use TI.
11796         (movdf_integer): Likewise.
11797         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
11798
11799 2005-01-03  Ira Rosen  <irar@il.ibm.com>
11800
11801         * tree-vectorizer.c (vect_strip_conversions): New function.
11802         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
11803         check for binary class.
11804
11805 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
11806
11807         Fix PR debug/17924
11808         Fix PR debug/19191
11809         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
11810         is a decl.
11811         * gimple-low.c (mark_blocks_with_used_vars): New function.
11812         (mark_blocks_with_used_subblocks): Ditto.
11813         (mark_used_blocks): Ditto.
11814         (pass_mark_used_blocks): New pass.
11815         * tree-inline.c: Include debug.h.
11816         (expand_call_inline): Call outlining_inline_function here.
11817         * tree-optimize.c (init_tree_optimization_passes): Add
11818         pass_mark_used_blocks.
11819         * tree-pass.h (pass_mark_used_blocks): New.
11820         * Makefile.in (tree-inline.o): Add debug.h dependency.
11821
11822 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
11823
11824         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
11825         VAR_DECLs to have weak_import attribute.
11826
11827         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
11828         'struct ucontext'.
11829
11830 2004-01-03  Steven Bosscher  <stevenb@suse.de>
11831
11832         * passes.c (rest_of_compilation): Don't run regmove if only
11833         flag_expensive_optimizations, require flag_regmove instead.
11834
11835 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
11836
11837         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
11838         register "sparc".
11839         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
11840         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11841         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
11842         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11843
11844 2005-01-03  Richard Henderson  <rth@redhat.com>
11845
11846         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
11847         (ia64_const_ok_for_letter_p): New.
11848         (ia64_const_double_ok_for_letter_p): New.
11849         (ia64_extra_constraint): New.
11850         (ia64_expand_vecint_compare): New.
11851         (ia64_expand_vcondu_v2si): New.
11852         (ia64_expand_vecint_cmov): New.
11853         (ia64_expand_vecint_minmax): New.
11854         (ia64_print_operand): Add 'v'.
11855         (ia64_preferred_reload_class): New.
11856         (ia64_vector_mode_supported_p): New.
11857         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
11858         (PREFERRED_RELOAD_CLASS): Move to function.
11859         (CONST_OK_FOR_LETTER_P): Move to function.
11860         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
11861         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
11862         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
11863         (EXTRA_CONSTRAINT): Move to function.
11864         * config/ia64/ia64.md: Include vect.md.
11865         (itanium_class): Add mmalua.
11866         (type): Handle it.
11867         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
11868         (1b_mmalua): New.
11869         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
11870         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
11871         CONST0_RTX.
11872         (const_int_2bit_operand): New.
11873         (fr_reg_or_0_operand): New.
11874         * config/ia64/ia64-modes.def: Add vector modes.
11875         * config/ia64/ia64-protos.h: Update.
11876         * config/ia64/vect.md: New file.
11877
11878 2005-01-03  Richard Henderson  <rth@redhat.com>
11879
11880         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
11881
11882 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
11883
11884         PR target/19236
11885         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
11886         to SFmode.
11887         (log1pdf2): Change mode of operands[0,1] to DFmode.
11888
11889 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
11890
11891         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
11892         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
11893         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
11894         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
11895         SPARC_RELAXED_ORDERING.
11896
11897 2005-01-03  Richard Henderson  <rth@redhat.com>
11898             Uros Bizjak  <uros@kss-loka.si>
11899
11900         PR target/14631
11901         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
11902         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
11903         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
11904         handling.
11905         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
11906         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
11907         const_pow2_1_to_128_operand): New predicates.
11908
11909 2005-01-02  Greg McGary  <greg@mcgary.org>
11910
11911         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
11912         anonymous decls.
11913         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
11914         object.  [ptr_type]: Remove unused variable.
11915         Remember nearest addressable array-element or record-component
11916         when checking bitfield components.  Tolerate empty BIND_EXPR.
11917
11918 2005-01-01  Richard Henderson  <rth@redhat.com>
11919
11920         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
11921         that don't narrow the value.  Fail for other conversions.
11922
11923 2005-01-01  Richard Henderson  <rth@redhat.com>
11924
11925         PR c/19031
11926         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
11927         * c-lang.c (finish_file): Don't do it here.
11928         * objc/objc-act.c (objc_finish_file): Likewise.
11929
11930         * cgraph.c (decl_assembler_name_equal): New.
11931         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
11932         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
11933         * cgraph.h (struct cgraph_varpool_node): Add next.
11934         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
11935         * varasm.c (assemble_alias): Mark the target as needed.
11936
11937 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
11938
11939         PR middle-end/19221
11940         * function.c (get_arg_pointer_save_area): Use entry_of_function
11941         instead of get_insns.
11942
11943 2005-01-01  Roger Sayle  <roger@eyesopen.com>
11944             Andrew Pinski  <pinskia@physics.uc.edu>
11945             James E. Wilson  <wilson@specifixinc.com>
11946
11947         PR rtl-optimization/12092
11948         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
11949         is zero.
11950
11951 2005-01-01  Roger Sayle  <roger@eyesopen.com>
11952             Olivier Hainque  <hainque@act-europe.fr>
11953
11954         * tree.c (int_fits_type_p): A narrower type always fits in a
11955         wider one, except for negative values into unsigned types.
11956
11957 2005-01-01  Roger Sayle  <roger@eyesopen.com>
11958
11959         * tree.c (int_fits_type_p): Compare the result of force_fit_type
11960         with the original constant rather than require TREE_OVERFLOW.
11961
11962 2005-01-01  Steven Bosscher  <stevenb@suse.de>
11963
11964         PR middle-end/17544
11965         * c-decl.c (finish_function): If compiling C99, annotate the
11966         compiler generated return with the current file name and line 0.
11967         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
11968         the source line is greater than 0.
11969         (remove_bb): Likewise.